diff options
Diffstat (limited to 'libs')
36 files changed, 41115 insertions, 0 deletions
diff --git a/libs/bootstrap-3.2.0/css/bootstrap-theme.css b/libs/bootstrap-3.2.0/css/bootstrap-theme.css new file mode 100644 index 0000000..f860bbc --- /dev/null +++ b/libs/bootstrap-3.2.0/css/bootstrap-theme.css @@ -0,0 +1,442 @@ +/*! + * Bootstrap v3.2.0 (http://getbootstrap.com) + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + */ + +.btn-default, +.btn-primary, +.btn-success, +.btn-info, +.btn-warning, +.btn-danger { + text-shadow: 0 -1px 0 rgba(0, 0, 0, .2); + -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075); + box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075); +} +.btn-default:active, +.btn-primary:active, +.btn-success:active, +.btn-info:active, +.btn-warning:active, +.btn-danger:active, +.btn-default.active, +.btn-primary.active, +.btn-success.active, +.btn-info.active, +.btn-warning.active, +.btn-danger.active { + -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125); + box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125); +} +.btn:active, +.btn.active { + background-image: none; +} +.btn-default { + text-shadow: 0 1px 0 #fff; + background-image: -webkit-linear-gradient(top, #fff 0%, #e0e0e0 100%); + background-image: -o-linear-gradient(top, #fff 0%, #e0e0e0 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#e0e0e0)); + background-image: linear-gradient(to bottom, #fff 0%, #e0e0e0 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#ffe0e0e0', GradientType=0); + filter: progid:DXImageTransform.Microsoft.gradient(enabled = false); + background-repeat: repeat-x; + border-color: #dbdbdb; + border-color: #ccc; +} +.btn-default:hover, +.btn-default:focus { + background-color: #e0e0e0; + background-position: 0 -15px; +} +.btn-default:active, +.btn-default.active { + background-color: #e0e0e0; + border-color: #dbdbdb; +} +.btn-default:disabled, +.btn-default[disabled] { + background-color: #e0e0e0; + background-image: none; +} +.btn-primary { + background-image: -webkit-linear-gradient(top, #428bca 0%, #2d6ca2 100%); + background-image: -o-linear-gradient(top, #428bca 0%, #2d6ca2 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#428bca), to(#2d6ca2)); + background-image: linear-gradient(to bottom, #428bca 0%, #2d6ca2 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff428bca', endColorstr='#ff2d6ca2', GradientType=0); + filter: progid:DXImageTransform.Microsoft.gradient(enabled = false); + background-repeat: repeat-x; + border-color: #2b669a; +} +.btn-primary:hover, +.btn-primary:focus { + background-color: #2d6ca2; + background-position: 0 -15px; +} +.btn-primary:active, +.btn-primary.active { + background-color: #2d6ca2; + border-color: #2b669a; +} +.btn-primary:disabled, +.btn-primary[disabled] { + background-color: #2d6ca2; + background-image: none; +} +.btn-success { + background-image: -webkit-linear-gradient(top, #5cb85c 0%, #419641 100%); + background-image: -o-linear-gradient(top, #5cb85c 0%, #419641 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#5cb85c), to(#419641)); + background-image: linear-gradient(to bottom, #5cb85c 0%, #419641 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5cb85c', endColorstr='#ff419641', GradientType=0); + filter: progid:DXImageTransform.Microsoft.gradient(enabled = false); + background-repeat: repeat-x; + border-color: #3e8f3e; +} +.btn-success:hover, +.btn-success:focus { + background-color: #419641; + background-position: 0 -15px; +} +.btn-success:active, +.btn-success.active { + background-color: #419641; + border-color: #3e8f3e; +} +.btn-success:disabled, +.btn-success[disabled] { + background-color: #419641; + background-image: none; +} +.btn-info { + background-image: -webkit-linear-gradient(top, #5bc0de 0%, #2aabd2 100%); + background-image: -o-linear-gradient(top, #5bc0de 0%, #2aabd2 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#5bc0de), to(#2aabd2)); + background-image: linear-gradient(to bottom, #5bc0de 0%, #2aabd2 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5bc0de', endColorstr='#ff2aabd2', GradientType=0); + filter: progid:DXImageTransform.Microsoft.gradient(enabled = false); + background-repeat: repeat-x; + border-color: #28a4c9; +} +.btn-info:hover, +.btn-info:focus { + background-color: #2aabd2; + background-position: 0 -15px; +} +.btn-info:active, +.btn-info.active { + background-color: #2aabd2; + border-color: #28a4c9; +} +.btn-info:disabled, +.btn-info[disabled] { + background-color: #2aabd2; + background-image: none; +} +.btn-warning { + background-image: -webkit-linear-gradient(top, #f0ad4e 0%, #eb9316 100%); + background-image: -o-linear-gradient(top, #f0ad4e 0%, #eb9316 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#f0ad4e), to(#eb9316)); + background-image: linear-gradient(to bottom, #f0ad4e 0%, #eb9316 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff0ad4e', endColorstr='#ffeb9316', GradientType=0); + filter: progid:DXImageTransform.Microsoft.gradient(enabled = false); + background-repeat: repeat-x; + border-color: #e38d13; +} +.btn-warning:hover, +.btn-warning:focus { + background-color: #eb9316; + background-position: 0 -15px; +} +.btn-warning:active, +.btn-warning.active { + background-color: #eb9316; + border-color: #e38d13; +} +.btn-warning:disabled, +.btn-warning[disabled] { + background-color: #eb9316; + background-image: none; +} +.btn-danger { + background-image: -webkit-linear-gradient(top, #d9534f 0%, #c12e2a 100%); + background-image: -o-linear-gradient(top, #d9534f 0%, #c12e2a 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#d9534f), to(#c12e2a)); + background-image: linear-gradient(to bottom, #d9534f 0%, #c12e2a 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffd9534f', endColorstr='#ffc12e2a', GradientType=0); + filter: progid:DXImageTransform.Microsoft.gradient(enabled = false); + background-repeat: repeat-x; + border-color: #b92c28; +} +.btn-danger:hover, +.btn-danger:focus { + background-color: #c12e2a; + background-position: 0 -15px; +} +.btn-danger:active, +.btn-danger.active { + background-color: #c12e2a; + border-color: #b92c28; +} +.btn-danger:disabled, +.btn-danger[disabled] { + background-color: #c12e2a; + background-image: none; +} +.thumbnail, +.img-thumbnail { + -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .075); + box-shadow: 0 1px 2px rgba(0, 0, 0, .075); +} +.dropdown-menu > li > a:hover, +.dropdown-menu > li > a:focus { + background-color: #e8e8e8; + background-image: -webkit-linear-gradient(top, #f5f5f5 0%, #e8e8e8 100%); + background-image: -o-linear-gradient(top, #f5f5f5 0%, #e8e8e8 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#f5f5f5), to(#e8e8e8)); + background-image: linear-gradient(to bottom, #f5f5f5 0%, #e8e8e8 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff5f5f5', endColorstr='#ffe8e8e8', GradientType=0); + background-repeat: repeat-x; +} +.dropdown-menu > .active > a, +.dropdown-menu > .active > a:hover, +.dropdown-menu > .active > a:focus { + background-color: #357ebd; + background-image: -webkit-linear-gradient(top, #428bca 0%, #357ebd 100%); + background-image: -o-linear-gradient(top, #428bca 0%, #357ebd 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#428bca), to(#357ebd)); + background-image: linear-gradient(to bottom, #428bca 0%, #357ebd 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff428bca', endColorstr='#ff357ebd', GradientType=0); + background-repeat: repeat-x; +} +.navbar-default { + background-image: -webkit-linear-gradient(top, #fff 0%, #f8f8f8 100%); + background-image: -o-linear-gradient(top, #fff 0%, #f8f8f8 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#f8f8f8)); + background-image: linear-gradient(to bottom, #fff 0%, #f8f8f8 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#fff8f8f8', GradientType=0); + filter: progid:DXImageTransform.Microsoft.gradient(enabled = false); + background-repeat: repeat-x; + border-radius: 4px; + -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 5px rgba(0, 0, 0, .075); + box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 5px rgba(0, 0, 0, .075); +} +.navbar-default .navbar-nav > .active > a { + background-image: -webkit-linear-gradient(top, #ebebeb 0%, #f3f3f3 100%); + background-image: -o-linear-gradient(top, #ebebeb 0%, #f3f3f3 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#ebebeb), to(#f3f3f3)); + background-image: linear-gradient(to bottom, #ebebeb 0%, #f3f3f3 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffebebeb', endColorstr='#fff3f3f3', GradientType=0); + background-repeat: repeat-x; + -webkit-box-shadow: inset 0 3px 9px rgba(0, 0, 0, .075); + box-shadow: inset 0 3px 9px rgba(0, 0, 0, .075); +} +.navbar-brand, +.navbar-nav > li > a { + text-shadow: 0 1px 0 rgba(255, 255, 255, .25); +} +.navbar-inverse { + background-image: -webkit-linear-gradient(top, #3c3c3c 0%, #222 100%); + background-image: -o-linear-gradient(top, #3c3c3c 0%, #222 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#3c3c3c), to(#222)); + background-image: linear-gradient(to bottom, #3c3c3c 0%, #222 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff3c3c3c', endColorstr='#ff222222', GradientType=0); + filter: progid:DXImageTransform.Microsoft.gradient(enabled = false); + background-repeat: repeat-x; +} +.navbar-inverse .navbar-nav > .active > a { + background-image: -webkit-linear-gradient(top, #222 0%, #282828 100%); + background-image: -o-linear-gradient(top, #222 0%, #282828 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#222), to(#282828)); + background-image: linear-gradient(to bottom, #222 0%, #282828 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff222222', endColorstr='#ff282828', GradientType=0); + background-repeat: repeat-x; + -webkit-box-shadow: inset 0 3px 9px rgba(0, 0, 0, .25); + box-shadow: inset 0 3px 9px rgba(0, 0, 0, .25); +} +.navbar-inverse .navbar-brand, +.navbar-inverse .navbar-nav > li > a { + text-shadow: 0 -1px 0 rgba(0, 0, 0, .25); +} +.navbar-static-top, +.navbar-fixed-top, +.navbar-fixed-bottom { + border-radius: 0; +} +.alert { + text-shadow: 0 1px 0 rgba(255, 255, 255, .2); + -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 1px 2px rgba(0, 0, 0, .05); + box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 1px 2px rgba(0, 0, 0, .05); +} +.alert-success { + background-image: -webkit-linear-gradient(top, #dff0d8 0%, #c8e5bc 100%); + background-image: -o-linear-gradient(top, #dff0d8 0%, #c8e5bc 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#dff0d8), to(#c8e5bc)); + background-image: linear-gradient(to bottom, #dff0d8 0%, #c8e5bc 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffdff0d8', endColorstr='#ffc8e5bc', GradientType=0); + background-repeat: repeat-x; + border-color: #b2dba1; +} +.alert-info { + background-image: -webkit-linear-gradient(top, #d9edf7 0%, #b9def0 100%); + background-image: -o-linear-gradient(top, #d9edf7 0%, #b9def0 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#d9edf7), to(#b9def0)); + background-image: linear-gradient(to bottom, #d9edf7 0%, #b9def0 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffd9edf7', endColorstr='#ffb9def0', GradientType=0); + background-repeat: repeat-x; + border-color: #9acfea; +} +.alert-warning { + background-image: -webkit-linear-gradient(top, #fcf8e3 0%, #f8efc0 100%); + background-image: -o-linear-gradient(top, #fcf8e3 0%, #f8efc0 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#fcf8e3), to(#f8efc0)); + background-image: linear-gradient(to bottom, #fcf8e3 0%, #f8efc0 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fffcf8e3', endColorstr='#fff8efc0', GradientType=0); + background-repeat: repeat-x; + border-color: #f5e79e; +} +.alert-danger { + background-image: -webkit-linear-gradient(top, #f2dede 0%, #e7c3c3 100%); + background-image: -o-linear-gradient(top, #f2dede 0%, #e7c3c3 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#f2dede), to(#e7c3c3)); + background-image: linear-gradient(to bottom, #f2dede 0%, #e7c3c3 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff2dede', endColorstr='#ffe7c3c3', GradientType=0); + background-repeat: repeat-x; + border-color: #dca7a7; +} +.progress { + background-image: -webkit-linear-gradient(top, #ebebeb 0%, #f5f5f5 100%); + background-image: -o-linear-gradient(top, #ebebeb 0%, #f5f5f5 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#ebebeb), to(#f5f5f5)); + background-image: linear-gradient(to bottom, #ebebeb 0%, #f5f5f5 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffebebeb', endColorstr='#fff5f5f5', GradientType=0); + background-repeat: repeat-x; +} +.progress-bar { + background-image: -webkit-linear-gradient(top, #428bca 0%, #3071a9 100%); + background-image: -o-linear-gradient(top, #428bca 0%, #3071a9 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#428bca), to(#3071a9)); + background-image: linear-gradient(to bottom, #428bca 0%, #3071a9 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff428bca', endColorstr='#ff3071a9', GradientType=0); + background-repeat: repeat-x; +} +.progress-bar-success { + background-image: -webkit-linear-gradient(top, #5cb85c 0%, #449d44 100%); + background-image: -o-linear-gradient(top, #5cb85c 0%, #449d44 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#5cb85c), to(#449d44)); + background-image: linear-gradient(to bottom, #5cb85c 0%, #449d44 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5cb85c', endColorstr='#ff449d44', GradientType=0); + background-repeat: repeat-x; +} +.progress-bar-info { + background-image: -webkit-linear-gradient(top, #5bc0de 0%, #31b0d5 100%); + background-image: -o-linear-gradient(top, #5bc0de 0%, #31b0d5 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#5bc0de), to(#31b0d5)); + background-image: linear-gradient(to bottom, #5bc0de 0%, #31b0d5 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5bc0de', endColorstr='#ff31b0d5', GradientType=0); + background-repeat: repeat-x; +} +.progress-bar-warning { + background-image: -webkit-linear-gradient(top, #f0ad4e 0%, #ec971f 100%); + background-image: -o-linear-gradient(top, #f0ad4e 0%, #ec971f 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#f0ad4e), to(#ec971f)); + background-image: linear-gradient(to bottom, #f0ad4e 0%, #ec971f 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff0ad4e', endColorstr='#ffec971f', GradientType=0); + background-repeat: repeat-x; +} +.progress-bar-danger { + background-image: -webkit-linear-gradient(top, #d9534f 0%, #c9302c 100%); + background-image: -o-linear-gradient(top, #d9534f 0%, #c9302c 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#d9534f), to(#c9302c)); + background-image: linear-gradient(to bottom, #d9534f 0%, #c9302c 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffd9534f', endColorstr='#ffc9302c', GradientType=0); + background-repeat: repeat-x; +} +.progress-bar-striped { + background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); +} +.list-group { + border-radius: 4px; + -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .075); + box-shadow: 0 1px 2px rgba(0, 0, 0, .075); +} +.list-group-item.active, +.list-group-item.active:hover, +.list-group-item.active:focus { + text-shadow: 0 -1px 0 #3071a9; + background-image: -webkit-linear-gradient(top, #428bca 0%, #3278b3 100%); + background-image: -o-linear-gradient(top, #428bca 0%, #3278b3 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#428bca), to(#3278b3)); + background-image: linear-gradient(to bottom, #428bca 0%, #3278b3 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff428bca', endColorstr='#ff3278b3', GradientType=0); + background-repeat: repeat-x; + border-color: #3278b3; +} +.panel { + -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .05); + box-shadow: 0 1px 2px rgba(0, 0, 0, .05); +} +.panel-default > .panel-heading { + background-image: -webkit-linear-gradient(top, #f5f5f5 0%, #e8e8e8 100%); + background-image: -o-linear-gradient(top, #f5f5f5 0%, #e8e8e8 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#f5f5f5), to(#e8e8e8)); + background-image: linear-gradient(to bottom, #f5f5f5 0%, #e8e8e8 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff5f5f5', endColorstr='#ffe8e8e8', GradientType=0); + background-repeat: repeat-x; +} +.panel-primary > .panel-heading { + background-image: -webkit-linear-gradient(top, #428bca 0%, #357ebd 100%); + background-image: -o-linear-gradient(top, #428bca 0%, #357ebd 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#428bca), to(#357ebd)); + background-image: linear-gradient(to bottom, #428bca 0%, #357ebd 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff428bca', endColorstr='#ff357ebd', GradientType=0); + background-repeat: repeat-x; +} +.panel-success > .panel-heading { + background-image: -webkit-linear-gradient(top, #dff0d8 0%, #d0e9c6 100%); + background-image: -o-linear-gradient(top, #dff0d8 0%, #d0e9c6 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#dff0d8), to(#d0e9c6)); + background-image: linear-gradient(to bottom, #dff0d8 0%, #d0e9c6 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffdff0d8', endColorstr='#ffd0e9c6', GradientType=0); + background-repeat: repeat-x; +} +.panel-info > .panel-heading { + background-image: -webkit-linear-gradient(top, #d9edf7 0%, #c4e3f3 100%); + background-image: -o-linear-gradient(top, #d9edf7 0%, #c4e3f3 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#d9edf7), to(#c4e3f3)); + background-image: linear-gradient(to bottom, #d9edf7 0%, #c4e3f3 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffd9edf7', endColorstr='#ffc4e3f3', GradientType=0); + background-repeat: repeat-x; +} +.panel-warning > .panel-heading { + background-image: -webkit-linear-gradient(top, #fcf8e3 0%, #faf2cc 100%); + background-image: -o-linear-gradient(top, #fcf8e3 0%, #faf2cc 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#fcf8e3), to(#faf2cc)); + background-image: linear-gradient(to bottom, #fcf8e3 0%, #faf2cc 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fffcf8e3', endColorstr='#fffaf2cc', GradientType=0); + background-repeat: repeat-x; +} +.panel-danger > .panel-heading { + background-image: -webkit-linear-gradient(top, #f2dede 0%, #ebcccc 100%); + background-image: -o-linear-gradient(top, #f2dede 0%, #ebcccc 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#f2dede), to(#ebcccc)); + background-image: linear-gradient(to bottom, #f2dede 0%, #ebcccc 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff2dede', endColorstr='#ffebcccc', GradientType=0); + background-repeat: repeat-x; +} +.well { + background-image: -webkit-linear-gradient(top, #e8e8e8 0%, #f5f5f5 100%); + background-image: -o-linear-gradient(top, #e8e8e8 0%, #f5f5f5 100%); + background-image: -webkit-gradient(linear, left top, left bottom, from(#e8e8e8), to(#f5f5f5)); + background-image: linear-gradient(to bottom, #e8e8e8 0%, #f5f5f5 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffe8e8e8', endColorstr='#fff5f5f5', GradientType=0); + background-repeat: repeat-x; + border-color: #dcdcdc; + -webkit-box-shadow: inset 0 1px 3px rgba(0, 0, 0, .05), 0 1px 0 rgba(255, 255, 255, .1); + box-shadow: inset 0 1px 3px rgba(0, 0, 0, .05), 0 1px 0 rgba(255, 255, 255, .1); +} +/*# sourceMappingURL=bootstrap-theme.css.map */ diff --git a/libs/bootstrap-3.2.0/css/bootstrap-theme.css.map b/libs/bootstrap-3.2.0/css/bootstrap-theme.css.map new file mode 100644 index 0000000..4cc41ab --- /dev/null +++ b/libs/bootstrap-3.2.0/css/bootstrap-theme.css.map @@ -0,0 +1 @@ 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Load core variables and mixins\n// --------------------------------------------------\n\n@import \"variables.less\";\n@import \"mixins.less\";\n\n\n\n//\n// Buttons\n// --------------------------------------------------\n\n// Common styles\n.btn-default,\n.btn-primary,\n.btn-success,\n.btn-info,\n.btn-warning,\n.btn-danger {\n text-shadow: 0 -1px 0 rgba(0,0,0,.2);\n @shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 1px rgba(0,0,0,.075);\n .box-shadow(@shadow);\n\n // Reset the shadow\n &:active,\n &.active {\n .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));\n }\n}\n\n// Mixin for generating new styles\n.btn-styles(@btn-color: #555) {\n #gradient > .vertical(@start-color: @btn-color; @end-color: darken(@btn-color, 12%));\n .reset-filter(); // Disable gradients for IE9 because filter bleeds through rounded corners\n background-repeat: repeat-x;\n border-color: darken(@btn-color, 14%);\n\n &:hover,\n &:focus {\n background-color: darken(@btn-color, 12%);\n background-position: 0 -15px;\n }\n\n &:active,\n &.active {\n background-color: darken(@btn-color, 12%);\n border-color: darken(@btn-color, 14%);\n }\n\n &:disabled,\n &[disabled] {\n background-color: darken(@btn-color, 12%);\n background-image: none;\n }\n}\n\n// Common styles\n.btn {\n // Remove the gradient for the pressed/active state\n &:active,\n &.active {\n background-image: none;\n }\n}\n\n// Apply the mixin to the buttons\n.btn-default { .btn-styles(@btn-default-bg); text-shadow: 0 1px 0 #fff; border-color: #ccc; }\n.btn-primary { .btn-styles(@btn-primary-bg); }\n.btn-success { .btn-styles(@btn-success-bg); }\n.btn-info { .btn-styles(@btn-info-bg); }\n.btn-warning { .btn-styles(@btn-warning-bg); }\n.btn-danger { .btn-styles(@btn-danger-bg); }\n\n\n\n//\n// Images\n// --------------------------------------------------\n\n.thumbnail,\n.img-thumbnail {\n .box-shadow(0 1px 2px rgba(0,0,0,.075));\n}\n\n\n\n//\n// Dropdowns\n// --------------------------------------------------\n\n.dropdown-menu > li > a:hover,\n.dropdown-menu > li > a:focus {\n #gradient > .vertical(@start-color: @dropdown-link-hover-bg; @end-color: darken(@dropdown-link-hover-bg, 5%));\n background-color: darken(@dropdown-link-hover-bg, 5%);\n}\n.dropdown-menu > .active > a,\n.dropdown-menu > .active > a:hover,\n.dropdown-menu > .active > a:focus {\n #gradient > .vertical(@start-color: @dropdown-link-active-bg; @end-color: darken(@dropdown-link-active-bg, 5%));\n background-color: darken(@dropdown-link-active-bg, 5%);\n}\n\n\n\n//\n// Navbar\n// --------------------------------------------------\n\n// Default navbar\n.navbar-default {\n #gradient > .vertical(@start-color: lighten(@navbar-default-bg, 10%); @end-color: @navbar-default-bg);\n .reset-filter(); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered\n border-radius: @navbar-border-radius;\n @shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 5px rgba(0,0,0,.075);\n .box-shadow(@shadow);\n\n .navbar-nav > .active > a {\n #gradient > .vertical(@start-color: darken(@navbar-default-bg, 5%); @end-color: darken(@navbar-default-bg, 2%));\n .box-shadow(inset 0 3px 9px rgba(0,0,0,.075));\n }\n}\n.navbar-brand,\n.navbar-nav > li > a {\n text-shadow: 0 1px 0 rgba(255,255,255,.25);\n}\n\n// Inverted navbar\n.navbar-inverse {\n #gradient > .vertical(@start-color: lighten(@navbar-inverse-bg, 10%); @end-color: @navbar-inverse-bg);\n .reset-filter(); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered\n\n .navbar-nav > .active > a {\n #gradient > .vertical(@start-color: @navbar-inverse-bg; @end-color: lighten(@navbar-inverse-bg, 2.5%));\n .box-shadow(inset 0 3px 9px rgba(0,0,0,.25));\n }\n\n .navbar-brand,\n .navbar-nav > li > a {\n text-shadow: 0 -1px 0 rgba(0,0,0,.25);\n }\n}\n\n// Undo rounded corners in static and fixed navbars\n.navbar-static-top,\n.navbar-fixed-top,\n.navbar-fixed-bottom {\n border-radius: 0;\n}\n\n\n\n//\n// Alerts\n// --------------------------------------------------\n\n// Common styles\n.alert {\n text-shadow: 0 1px 0 rgba(255,255,255,.2);\n @shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 1px 2px rgba(0,0,0,.05);\n .box-shadow(@shadow);\n}\n\n// Mixin for generating new styles\n.alert-styles(@color) {\n #gradient > .vertical(@start-color: @color; @end-color: darken(@color, 7.5%));\n border-color: darken(@color, 15%);\n}\n\n// Apply the mixin to the alerts\n.alert-success { .alert-styles(@alert-success-bg); }\n.alert-info { .alert-styles(@alert-info-bg); }\n.alert-warning { .alert-styles(@alert-warning-bg); }\n.alert-danger { .alert-styles(@alert-danger-bg); }\n\n\n\n//\n// Progress bars\n// --------------------------------------------------\n\n// Give the progress background some depth\n.progress {\n #gradient > .vertical(@start-color: darken(@progress-bg, 4%); @end-color: @progress-bg)\n}\n\n// Mixin for generating new styles\n.progress-bar-styles(@color) {\n #gradient > .vertical(@start-color: @color; @end-color: darken(@color, 10%));\n}\n\n// Apply the mixin to the progress bars\n.progress-bar { .progress-bar-styles(@progress-bar-bg); }\n.progress-bar-success { .progress-bar-styles(@progress-bar-success-bg); }\n.progress-bar-info { .progress-bar-styles(@progress-bar-info-bg); }\n.progress-bar-warning { .progress-bar-styles(@progress-bar-warning-bg); }\n.progress-bar-danger { .progress-bar-styles(@progress-bar-danger-bg); }\n\n// Reset the striped class because our mixins don't do multiple gradients and\n// the above custom styles override the new `.progress-bar-striped` in v3.2.0.\n.progress-bar-striped {\n #gradient > .striped();\n}\n\n\n//\n// List groups\n// --------------------------------------------------\n\n.list-group {\n border-radius: @border-radius-base;\n .box-shadow(0 1px 2px rgba(0,0,0,.075));\n}\n.list-group-item.active,\n.list-group-item.active:hover,\n.list-group-item.active:focus {\n text-shadow: 0 -1px 0 darken(@list-group-active-bg, 10%);\n #gradient > .vertical(@start-color: @list-group-active-bg; @end-color: darken(@list-group-active-bg, 7.5%));\n border-color: darken(@list-group-active-border, 7.5%);\n}\n\n\n\n//\n// Panels\n// --------------------------------------------------\n\n// Common styles\n.panel {\n .box-shadow(0 1px 2px rgba(0,0,0,.05));\n}\n\n// Mixin for generating new styles\n.panel-heading-styles(@color) {\n #gradient > .vertical(@start-color: @color; @end-color: darken(@color, 5%));\n}\n\n// Apply the mixin to the panel headings only\n.panel-default > .panel-heading { .panel-heading-styles(@panel-default-heading-bg); }\n.panel-primary > .panel-heading { .panel-heading-styles(@panel-primary-heading-bg); }\n.panel-success > .panel-heading { .panel-heading-styles(@panel-success-heading-bg); }\n.panel-info > .panel-heading { .panel-heading-styles(@panel-info-heading-bg); }\n.panel-warning > .panel-heading { .panel-heading-styles(@panel-warning-heading-bg); }\n.panel-danger > .panel-heading { .panel-heading-styles(@panel-danger-heading-bg); }\n\n\n\n//\n// Wells\n// --------------------------------------------------\n\n.well {\n #gradient > .vertical(@start-color: darken(@well-bg, 5%); @end-color: @well-bg);\n border-color: darken(@well-bg, 10%);\n @shadow: inset 0 1px 3px rgba(0,0,0,.05), 0 1px 0 rgba(255,255,255,.1);\n .box-shadow(@shadow);\n}\n","// Vendor Prefixes\n//\n// All vendor mixins are deprecated as of v3.2.0 due to the introduction of\n// Autoprefixer in our Gruntfile. They will be removed in v4.\n\n// - Animations\n// - Backface visibility\n// - Box shadow\n// - Box sizing\n// - Content columns\n// - Hyphens\n// - Placeholder text\n// - Transformations\n// - Transitions\n// - User Select\n\n\n// Animations\n.animation(@animation) {\n -webkit-animation: @animation;\n -o-animation: @animation;\n animation: @animation;\n}\n.animation-name(@name) {\n -webkit-animation-name: @name;\n animation-name: @name;\n}\n.animation-duration(@duration) {\n -webkit-animation-duration: @duration;\n animation-duration: @duration;\n}\n.animation-timing-function(@timing-function) {\n -webkit-animation-timing-function: @timing-function;\n animation-timing-function: @timing-function;\n}\n.animation-delay(@delay) {\n -webkit-animation-delay: @delay;\n animation-delay: @delay;\n}\n.animation-iteration-count(@iteration-count) {\n -webkit-animation-iteration-count: @iteration-count;\n animation-iteration-count: @iteration-count;\n}\n.animation-direction(@direction) {\n -webkit-animation-direction: @direction;\n animation-direction: @direction;\n}\n.animation-fill-mode(@fill-mode) {\n -webkit-animation-fill-mode: @fill-mode;\n animation-fill-mode: @fill-mode;\n}\n\n// Backface visibility\n// Prevent browsers from flickering when using CSS 3D transforms.\n// Default value is `visible`, but can be changed to `hidden`\n\n.backface-visibility(@visibility){\n -webkit-backface-visibility: @visibility;\n -moz-backface-visibility: @visibility;\n backface-visibility: @visibility;\n}\n\n// Drop shadows\n//\n// Note: Deprecated `.box-shadow()` as of v3.1.0 since all of Bootstrap's\n// supported browsers that have box shadow capabilities now support it.\n\n.box-shadow(@shadow) {\n -webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1\n box-shadow: @shadow;\n}\n\n// Box sizing\n.box-sizing(@boxmodel) {\n -webkit-box-sizing: @boxmodel;\n -moz-box-sizing: @boxmodel;\n box-sizing: @boxmodel;\n}\n\n// CSS3 Content Columns\n.content-columns(@column-count; @column-gap: @grid-gutter-width) {\n -webkit-column-count: @column-count;\n -moz-column-count: @column-count;\n column-count: @column-count;\n -webkit-column-gap: @column-gap;\n -moz-column-gap: @column-gap;\n column-gap: @column-gap;\n}\n\n// Optional hyphenation\n.hyphens(@mode: auto) {\n word-wrap: break-word;\n -webkit-hyphens: @mode;\n -moz-hyphens: @mode;\n -ms-hyphens: @mode; // IE10+\n -o-hyphens: @mode;\n hyphens: @mode;\n}\n\n// Placeholder text\n.placeholder(@color: @input-color-placeholder) {\n &::-moz-placeholder { color: @color; // Firefox\n opacity: 1; } // See https://github.com/twbs/bootstrap/pull/11526\n &:-ms-input-placeholder { color: @color; } // Internet Explorer 10+\n &::-webkit-input-placeholder { color: @color; } // Safari and Chrome\n}\n\n// Transformations\n.scale(@ratio) {\n -webkit-transform: scale(@ratio);\n -ms-transform: scale(@ratio); // IE9 only\n -o-transform: scale(@ratio);\n transform: scale(@ratio);\n}\n.scale(@ratioX; @ratioY) {\n -webkit-transform: scale(@ratioX, @ratioY);\n -ms-transform: scale(@ratioX, @ratioY); // IE9 only\n -o-transform: scale(@ratioX, @ratioY);\n transform: scale(@ratioX, @ratioY);\n}\n.scaleX(@ratio) {\n -webkit-transform: scaleX(@ratio);\n -ms-transform: scaleX(@ratio); // IE9 only\n -o-transform: scaleX(@ratio);\n transform: scaleX(@ratio);\n}\n.scaleY(@ratio) {\n -webkit-transform: scaleY(@ratio);\n -ms-transform: scaleY(@ratio); // IE9 only\n -o-transform: scaleY(@ratio);\n transform: scaleY(@ratio);\n}\n.skew(@x; @y) {\n -webkit-transform: skewX(@x) skewY(@y);\n -ms-transform: skewX(@x) skewY(@y); // See https://github.com/twbs/bootstrap/issues/4885; IE9+\n -o-transform: skewX(@x) skewY(@y);\n transform: skewX(@x) skewY(@y);\n}\n.translate(@x; @y) {\n -webkit-transform: translate(@x, @y);\n -ms-transform: translate(@x, @y); // IE9 only\n -o-transform: translate(@x, @y);\n transform: translate(@x, @y);\n}\n.translate3d(@x; @y; @z) {\n -webkit-transform: translate3d(@x, @y, @z);\n transform: translate3d(@x, @y, @z);\n}\n.rotate(@degrees) {\n -webkit-transform: rotate(@degrees);\n -ms-transform: rotate(@degrees); // IE9 only\n -o-transform: rotate(@degrees);\n transform: rotate(@degrees);\n}\n.rotateX(@degrees) {\n -webkit-transform: rotateX(@degrees);\n -ms-transform: rotateX(@degrees); // IE9 only\n -o-transform: rotateX(@degrees);\n transform: rotateX(@degrees);\n}\n.rotateY(@degrees) {\n -webkit-transform: rotateY(@degrees);\n -ms-transform: rotateY(@degrees); // IE9 only\n -o-transform: rotateY(@degrees);\n transform: rotateY(@degrees);\n}\n.perspective(@perspective) {\n -webkit-perspective: @perspective;\n -moz-perspective: @perspective;\n perspective: @perspective;\n}\n.perspective-origin(@perspective) {\n -webkit-perspective-origin: @perspective;\n -moz-perspective-origin: @perspective;\n perspective-origin: @perspective;\n}\n.transform-origin(@origin) {\n -webkit-transform-origin: @origin;\n -moz-transform-origin: @origin;\n -ms-transform-origin: @origin; // IE9 only\n transform-origin: @origin;\n}\n\n\n// Transitions\n\n.transition(@transition) {\n -webkit-transition: @transition;\n -o-transition: @transition;\n transition: @transition;\n}\n.transition-property(@transition-property) {\n -webkit-transition-property: @transition-property;\n transition-property: @transition-property;\n}\n.transition-delay(@transition-delay) {\n -webkit-transition-delay: @transition-delay;\n transition-delay: @transition-delay;\n}\n.transition-duration(@transition-duration) {\n -webkit-transition-duration: @transition-duration;\n transition-duration: @transition-duration;\n}\n.transition-timing-function(@timing-function) {\n -webkit-transition-timing-function: @timing-function;\n transition-timing-function: @timing-function;\n}\n.transition-transform(@transition) {\n -webkit-transition: -webkit-transform @transition;\n -moz-transition: -moz-transform @transition;\n -o-transition: -o-transform @transition;\n transition: transform @transition;\n}\n\n\n// User select\n// For selecting text on the page\n\n.user-select(@select) {\n -webkit-user-select: @select;\n -moz-user-select: @select;\n -ms-user-select: @select; // IE10+\n user-select: @select;\n}\n",null,"// Gradients\n\n#gradient {\n\n // Horizontal gradient, from left to right\n //\n // Creates two color stops, start and end, by specifying a color and position for each color stop.\n // Color stops are not available in IE9 and below.\n .horizontal(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {\n background-image: -webkit-linear-gradient(left, @start-color @start-percent, @end-color @end-percent); // Safari 5.1-6, Chrome 10+\n background-image: -o-linear-gradient(left, @start-color @start-percent, @end-color @end-percent); // Opera 12\n background-image: linear-gradient(to right, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+\n background-repeat: repeat-x;\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)\",argb(@start-color),argb(@end-color))); // IE9 and down\n }\n\n // Vertical gradient, from top to bottom\n //\n // Creates two color stops, start and end, by specifying a color and position for each color stop.\n // Color stops are not available in IE9 and below.\n .vertical(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {\n background-image: -webkit-linear-gradient(top, @start-color @start-percent, @end-color @end-percent); // Safari 5.1-6, Chrome 10+\n background-image: -o-linear-gradient(top, @start-color @start-percent, @end-color @end-percent); // Opera 12\n background-image: linear-gradient(to bottom, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+\n background-repeat: repeat-x;\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)\",argb(@start-color),argb(@end-color))); // IE9 and down\n }\n\n .directional(@start-color: #555; @end-color: #333; @deg: 45deg) {\n background-repeat: repeat-x;\n background-image: -webkit-linear-gradient(@deg, @start-color, @end-color); // Safari 5.1-6, Chrome 10+\n background-image: -o-linear-gradient(@deg, @start-color, @end-color); // Opera 12\n background-image: linear-gradient(@deg, @start-color, @end-color); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+\n }\n .horizontal-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {\n background-image: -webkit-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);\n background-image: -o-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);\n background-image: linear-gradient(to right, @start-color, @mid-color @color-stop, @end-color);\n background-repeat: no-repeat;\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)\",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback\n }\n .vertical-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {\n background-image: -webkit-linear-gradient(@start-color, @mid-color @color-stop, @end-color);\n background-image: -o-linear-gradient(@start-color, @mid-color @color-stop, @end-color);\n background-image: linear-gradient(@start-color, @mid-color @color-stop, @end-color);\n background-repeat: no-repeat;\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)\",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback\n }\n .radial(@inner-color: #555; @outer-color: #333) {\n background-image: -webkit-radial-gradient(circle, @inner-color, @outer-color);\n background-image: radial-gradient(circle, @inner-color, @outer-color);\n background-repeat: no-repeat;\n }\n .striped(@color: rgba(255,255,255,.15); @angle: 45deg) {\n background-image: -webkit-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);\n background-image: -o-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);\n background-image: linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);\n }\n}\n","// Reset filters for IE\n//\n// When you need to remove a gradient background, do not forget to use this to reset\n// the IE filter for IE9 and below.\n\n.reset-filter() {\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(enabled = false)\"));\n}\n"]}
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content: "\e187"; +} +.glyphicon-subtitles:before { + content: "\e188"; +} +.glyphicon-sound-stereo:before { + content: "\e189"; +} +.glyphicon-sound-dolby:before { + content: "\e190"; +} +.glyphicon-sound-5-1:before { + content: "\e191"; +} +.glyphicon-sound-6-1:before { + content: "\e192"; +} +.glyphicon-sound-7-1:before { + content: "\e193"; +} +.glyphicon-copyright-mark:before { + content: "\e194"; +} +.glyphicon-registration-mark:before { + content: "\e195"; +} +.glyphicon-cloud-download:before { + content: "\e197"; +} +.glyphicon-cloud-upload:before { + content: "\e198"; +} +.glyphicon-tree-conifer:before { + content: "\e199"; +} +.glyphicon-tree-deciduous:before { + content: "\e200"; +} +* { + -webkit-box-sizing: border-box; + -moz-box-sizing: border-box; + box-sizing: border-box; +} +*:before, +*:after { + -webkit-box-sizing: border-box; + -moz-box-sizing: border-box; + box-sizing: border-box; +} +html { + font-size: 10px; + + -webkit-tap-highlight-color: rgba(0, 0, 0, 0); +} +body { + font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; + font-size: 14px; + line-height: 1.42857143; + color: #333; + background-color: #fff; +} +input, +button, +select, +textarea { + font-family: inherit; + font-size: inherit; + line-height: inherit; +} +a { + color: #428bca; + text-decoration: none; +} +a:hover, +a:focus { + color: #2a6496; + text-decoration: underline; +} +a:focus { + outline: thin dotted; + outline: 5px auto -webkit-focus-ring-color; + outline-offset: -2px; +} +figure { + margin: 0; +} +img { + vertical-align: middle; +} +.img-responsive, +.thumbnail > img, +.thumbnail a > img, +.carousel-inner > .item > img, +.carousel-inner > .item > a > img { + display: block; + width: 100% \9; + max-width: 100%; + height: auto; +} +.img-rounded { + border-radius: 6px; +} +.img-thumbnail { + display: inline-block; + width: 100% \9; + max-width: 100%; + height: auto; + padding: 4px; + line-height: 1.42857143; + background-color: #fff; + border: 1px solid #ddd; + border-radius: 4px; + -webkit-transition: all .2s ease-in-out; + -o-transition: all .2s ease-in-out; + transition: all .2s ease-in-out; +} +.img-circle { + border-radius: 50%; +} +hr { + margin-top: 20px; + margin-bottom: 20px; + border: 0; + border-top: 1px solid #eee; +} +.sr-only { + position: absolute; + width: 1px; + height: 1px; + padding: 0; + margin: -1px; + overflow: hidden; + clip: rect(0, 0, 0, 0); + border: 0; +} +.sr-only-focusable:active, +.sr-only-focusable:focus { + position: static; + width: auto; + height: auto; + margin: 0; + overflow: visible; + clip: auto; +} +h1, +h2, +h3, +h4, +h5, +h6, +.h1, +.h2, +.h3, +.h4, +.h5, +.h6 { + font-family: inherit; + font-weight: 500; + line-height: 1.1; + color: inherit; +} +h1 small, +h2 small, +h3 small, +h4 small, +h5 small, +h6 small, +.h1 small, +.h2 small, +.h3 small, +.h4 small, +.h5 small, +.h6 small, +h1 .small, +h2 .small, +h3 .small, +h4 .small, +h5 .small, +h6 .small, +.h1 .small, +.h2 .small, +.h3 .small, +.h4 .small, +.h5 .small, +.h6 .small { + font-weight: normal; + line-height: 1; + color: #777; +} +h1, +.h1, +h2, +.h2, +h3, +.h3 { + margin-top: 20px; + margin-bottom: 10px; +} +h1 small, +.h1 small, +h2 small, +.h2 small, +h3 small, +.h3 small, +h1 .small, +.h1 .small, +h2 .small, +.h2 .small, +h3 .small, +.h3 .small { + font-size: 65%; +} +h4, +.h4, +h5, +.h5, +h6, +.h6 { + margin-top: 10px; + margin-bottom: 10px; +} +h4 small, +.h4 small, +h5 small, +.h5 small, +h6 small, +.h6 small, +h4 .small, +.h4 .small, +h5 .small, +.h5 .small, +h6 .small, +.h6 .small { + font-size: 75%; +} +h1, +.h1 { + font-size: 36px; +} +h2, +.h2 { + font-size: 30px; +} +h3, +.h3 { + font-size: 24px; +} +h4, +.h4 { + font-size: 18px; +} +h5, +.h5 { + font-size: 14px; +} +h6, +.h6 { + font-size: 12px; +} +p { + margin: 0 0 10px; +} +.lead { + margin-bottom: 20px; + font-size: 16px; + font-weight: 300; + line-height: 1.4; +} +@media (min-width: 768px) { + .lead { + font-size: 21px; + } +} +small, +.small { + font-size: 85%; +} +cite { + font-style: normal; +} +mark, +.mark { + padding: .2em; + background-color: #fcf8e3; +} +.text-left { + text-align: left; +} +.text-right { + text-align: right; +} +.text-center { + text-align: center; +} +.text-justify { + text-align: justify; +} +.text-nowrap { + white-space: nowrap; +} +.text-lowercase { + text-transform: lowercase; +} +.text-uppercase { + text-transform: uppercase; +} +.text-capitalize { + text-transform: capitalize; +} +.text-muted { + color: #777; +} +.text-primary { + color: #428bca; +} +a.text-primary:hover { + color: #3071a9; +} +.text-success { + color: #3c763d; +} +a.text-success:hover { + color: #2b542c; +} +.text-info { + color: #31708f; +} +a.text-info:hover { + color: #245269; +} +.text-warning { + color: #8a6d3b; +} +a.text-warning:hover { + color: #66512c; +} +.text-danger { + color: #a94442; +} +a.text-danger:hover { + color: #843534; +} +.bg-primary { + color: #fff; + background-color: #428bca; +} +a.bg-primary:hover { + background-color: #3071a9; +} +.bg-success { + background-color: #dff0d8; +} +a.bg-success:hover { + background-color: #c1e2b3; +} +.bg-info { + background-color: #d9edf7; +} +a.bg-info:hover { + background-color: #afd9ee; +} +.bg-warning { + background-color: #fcf8e3; +} +a.bg-warning:hover { + background-color: #f7ecb5; +} +.bg-danger { + background-color: #f2dede; +} +a.bg-danger:hover { + background-color: #e4b9b9; +} +.page-header { + padding-bottom: 9px; + margin: 40px 0 20px; + border-bottom: 1px solid #eee; +} +ul, +ol { + margin-top: 0; + margin-bottom: 10px; +} +ul ul, +ol ul, +ul ol, +ol ol { + margin-bottom: 0; +} +.list-unstyled { + padding-left: 0; + list-style: none; +} +.list-inline { + padding-left: 0; + margin-left: -5px; + list-style: none; +} +.list-inline > li { + display: inline-block; + padding-right: 5px; + padding-left: 5px; +} +dl { + margin-top: 0; + margin-bottom: 20px; +} +dt, +dd { + line-height: 1.42857143; +} +dt { + font-weight: bold; +} +dd { + margin-left: 0; +} +@media (min-width: 768px) { + .dl-horizontal dt { + float: left; + width: 160px; + overflow: hidden; + clear: left; + text-align: right; + text-overflow: ellipsis; + white-space: nowrap; + } + .dl-horizontal dd { + margin-left: 180px; + } +} +abbr[title], +abbr[data-original-title] { + cursor: help; + border-bottom: 1px dotted #777; +} +.initialism { + font-size: 90%; + text-transform: uppercase; +} +blockquote { + padding: 10px 20px; + margin: 0 0 20px; + font-size: 17.5px; + border-left: 5px solid #eee; +} +blockquote p:last-child, +blockquote ul:last-child, +blockquote ol:last-child { + margin-bottom: 0; +} +blockquote footer, +blockquote small, +blockquote .small { + display: block; + font-size: 80%; + line-height: 1.42857143; + color: #777; +} +blockquote footer:before, +blockquote small:before, +blockquote .small:before { + content: '\2014 \00A0'; +} +.blockquote-reverse, +blockquote.pull-right { + padding-right: 15px; + padding-left: 0; + text-align: right; + border-right: 5px solid #eee; + border-left: 0; +} +.blockquote-reverse footer:before, +blockquote.pull-right footer:before, +.blockquote-reverse small:before, +blockquote.pull-right small:before, +.blockquote-reverse .small:before, +blockquote.pull-right .small:before { + content: ''; +} +.blockquote-reverse footer:after, +blockquote.pull-right footer:after, +.blockquote-reverse small:after, +blockquote.pull-right small:after, +.blockquote-reverse .small:after, +blockquote.pull-right .small:after { + content: '\00A0 \2014'; +} +blockquote:before, +blockquote:after { + content: ""; +} +address { + margin-bottom: 20px; + font-style: normal; + line-height: 1.42857143; +} +code, +kbd, +pre, +samp { + font-family: Menlo, Monaco, Consolas, "Courier New", monospace; +} +code { + padding: 2px 4px; + font-size: 90%; + color: #c7254e; + background-color: #f9f2f4; + border-radius: 4px; +} +kbd { + padding: 2px 4px; + font-size: 90%; + color: #fff; + background-color: #333; + border-radius: 3px; + -webkit-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .25); + box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .25); +} +kbd kbd { + padding: 0; + font-size: 100%; + -webkit-box-shadow: none; + box-shadow: none; +} +pre { + display: block; + padding: 9.5px; + margin: 0 0 10px; + font-size: 13px; + line-height: 1.42857143; + color: #333; + word-break: break-all; + word-wrap: break-word; + background-color: #f5f5f5; + border: 1px solid #ccc; + border-radius: 4px; +} +pre code { + padding: 0; + font-size: inherit; + color: inherit; + white-space: pre-wrap; + background-color: transparent; + border-radius: 0; +} +.pre-scrollable { + max-height: 340px; + overflow-y: scroll; +} +.container { + padding-right: 15px; + padding-left: 15px; + margin-right: auto; + margin-left: auto; +} +@media (min-width: 768px) { + .container { + width: 750px; + } +} +@media (min-width: 992px) { + .container { + width: 970px; + } +} +@media (min-width: 1200px) { + .container { + width: 1170px; + } +} +.container-fluid { + padding-right: 15px; + padding-left: 15px; + margin-right: auto; + margin-left: auto; +} +.row { + margin-right: -15px; + margin-left: -15px; +} +.col-xs-1, .col-sm-1, .col-md-1, .col-lg-1, .col-xs-2, .col-sm-2, .col-md-2, .col-lg-2, .col-xs-3, .col-sm-3, .col-md-3, .col-lg-3, .col-xs-4, .col-sm-4, .col-md-4, .col-lg-4, .col-xs-5, .col-sm-5, .col-md-5, .col-lg-5, .col-xs-6, .col-sm-6, .col-md-6, .col-lg-6, .col-xs-7, .col-sm-7, .col-md-7, .col-lg-7, .col-xs-8, .col-sm-8, .col-md-8, .col-lg-8, .col-xs-9, .col-sm-9, .col-md-9, .col-lg-9, .col-xs-10, .col-sm-10, .col-md-10, .col-lg-10, .col-xs-11, .col-sm-11, .col-md-11, .col-lg-11, .col-xs-12, .col-sm-12, .col-md-12, .col-lg-12 { + position: relative; + min-height: 1px; + padding-right: 15px; + padding-left: 15px; +} +.col-xs-1, .col-xs-2, .col-xs-3, .col-xs-4, .col-xs-5, .col-xs-6, .col-xs-7, .col-xs-8, .col-xs-9, .col-xs-10, .col-xs-11, .col-xs-12 { + float: left; +} +.col-xs-12 { + width: 100%; +} +.col-xs-11 { + width: 91.66666667%; +} +.col-xs-10 { + width: 83.33333333%; +} +.col-xs-9 { + width: 75%; +} +.col-xs-8 { + width: 66.66666667%; +} +.col-xs-7 { + width: 58.33333333%; +} +.col-xs-6 { + width: 50%; +} +.col-xs-5 { + width: 41.66666667%; +} +.col-xs-4 { + width: 33.33333333%; +} +.col-xs-3 { + width: 25%; +} +.col-xs-2 { + width: 16.66666667%; +} +.col-xs-1 { + width: 8.33333333%; +} +.col-xs-pull-12 { + right: 100%; +} +.col-xs-pull-11 { + right: 91.66666667%; +} +.col-xs-pull-10 { + right: 83.33333333%; +} +.col-xs-pull-9 { + right: 75%; +} +.col-xs-pull-8 { + right: 66.66666667%; +} +.col-xs-pull-7 { + right: 58.33333333%; +} +.col-xs-pull-6 { + right: 50%; +} +.col-xs-pull-5 { + right: 41.66666667%; +} +.col-xs-pull-4 { + right: 33.33333333%; +} +.col-xs-pull-3 { + right: 25%; +} +.col-xs-pull-2 { + right: 16.66666667%; +} +.col-xs-pull-1 { + right: 8.33333333%; +} +.col-xs-pull-0 { + right: auto; +} +.col-xs-push-12 { + left: 100%; +} +.col-xs-push-11 { + left: 91.66666667%; +} +.col-xs-push-10 { + left: 83.33333333%; +} +.col-xs-push-9 { + left: 75%; +} +.col-xs-push-8 { + left: 66.66666667%; +} +.col-xs-push-7 { + left: 58.33333333%; +} +.col-xs-push-6 { + left: 50%; +} +.col-xs-push-5 { + left: 41.66666667%; +} +.col-xs-push-4 { + left: 33.33333333%; +} +.col-xs-push-3 { + left: 25%; +} +.col-xs-push-2 { + left: 16.66666667%; +} +.col-xs-push-1 { + left: 8.33333333%; +} +.col-xs-push-0 { + left: auto; +} +.col-xs-offset-12 { + margin-left: 100%; +} +.col-xs-offset-11 { + margin-left: 91.66666667%; +} +.col-xs-offset-10 { + margin-left: 83.33333333%; +} +.col-xs-offset-9 { + margin-left: 75%; +} +.col-xs-offset-8 { + margin-left: 66.66666667%; +} +.col-xs-offset-7 { + margin-left: 58.33333333%; +} +.col-xs-offset-6 { + margin-left: 50%; +} +.col-xs-offset-5 { + margin-left: 41.66666667%; +} +.col-xs-offset-4 { + margin-left: 33.33333333%; +} +.col-xs-offset-3 { + margin-left: 25%; +} +.col-xs-offset-2 { + margin-left: 16.66666667%; +} +.col-xs-offset-1 { + margin-left: 8.33333333%; +} +.col-xs-offset-0 { + margin-left: 0; +} +@media (min-width: 768px) { + .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12 { + float: left; + } + .col-sm-12 { + width: 100%; + } + .col-sm-11 { + width: 91.66666667%; + } + .col-sm-10 { + width: 83.33333333%; + } + .col-sm-9 { + width: 75%; + } + .col-sm-8 { + width: 66.66666667%; + } + .col-sm-7 { + width: 58.33333333%; + } + .col-sm-6 { + width: 50%; + } + .col-sm-5 { + width: 41.66666667%; + } + .col-sm-4 { + width: 33.33333333%; + } + .col-sm-3 { + width: 25%; + } + .col-sm-2 { + width: 16.66666667%; + } + .col-sm-1 { + width: 8.33333333%; + } + .col-sm-pull-12 { + right: 100%; + } + .col-sm-pull-11 { + right: 91.66666667%; + } + .col-sm-pull-10 { + right: 83.33333333%; + } + .col-sm-pull-9 { + right: 75%; + } + .col-sm-pull-8 { + right: 66.66666667%; + } + .col-sm-pull-7 { + right: 58.33333333%; + } + .col-sm-pull-6 { + right: 50%; + } + .col-sm-pull-5 { + right: 41.66666667%; + } + .col-sm-pull-4 { + right: 33.33333333%; + } + .col-sm-pull-3 { + right: 25%; + } + .col-sm-pull-2 { + right: 16.66666667%; + } + .col-sm-pull-1 { + right: 8.33333333%; + } + .col-sm-pull-0 { + right: auto; + } + .col-sm-push-12 { + left: 100%; + } + .col-sm-push-11 { + left: 91.66666667%; + } + .col-sm-push-10 { + left: 83.33333333%; + } + .col-sm-push-9 { + left: 75%; + } + .col-sm-push-8 { + left: 66.66666667%; + } + .col-sm-push-7 { + left: 58.33333333%; + } + .col-sm-push-6 { + left: 50%; + } + .col-sm-push-5 { + left: 41.66666667%; + } + .col-sm-push-4 { + left: 33.33333333%; + } + .col-sm-push-3 { + left: 25%; + } + .col-sm-push-2 { + left: 16.66666667%; + } + .col-sm-push-1 { + left: 8.33333333%; + } + .col-sm-push-0 { + left: auto; + } + .col-sm-offset-12 { + margin-left: 100%; + } + .col-sm-offset-11 { + margin-left: 91.66666667%; + } + .col-sm-offset-10 { + margin-left: 83.33333333%; + } + .col-sm-offset-9 { + margin-left: 75%; + } + .col-sm-offset-8 { + margin-left: 66.66666667%; + } + .col-sm-offset-7 { + margin-left: 58.33333333%; + } + .col-sm-offset-6 { + margin-left: 50%; + } + .col-sm-offset-5 { + margin-left: 41.66666667%; + } + .col-sm-offset-4 { + margin-left: 33.33333333%; + } + .col-sm-offset-3 { + margin-left: 25%; + } + .col-sm-offset-2 { + margin-left: 16.66666667%; + } + .col-sm-offset-1 { + margin-left: 8.33333333%; + } + .col-sm-offset-0 { + margin-left: 0; + } +} +@media (min-width: 992px) { + .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12 { + float: left; + } + .col-md-12 { + width: 100%; + } + .col-md-11 { + width: 91.66666667%; + } + .col-md-10 { + width: 83.33333333%; + } + .col-md-9 { + width: 75%; + } + .col-md-8 { + width: 66.66666667%; + } + .col-md-7 { + width: 58.33333333%; + } + .col-md-6 { + width: 50%; + } + .col-md-5 { + width: 41.66666667%; + } + .col-md-4 { + width: 33.33333333%; + } + .col-md-3 { + width: 25%; + } + .col-md-2 { + width: 16.66666667%; + } + .col-md-1 { + width: 8.33333333%; + } + .col-md-pull-12 { + right: 100%; + } + .col-md-pull-11 { + right: 91.66666667%; + } + .col-md-pull-10 { + right: 83.33333333%; + } + .col-md-pull-9 { + right: 75%; + } + .col-md-pull-8 { + right: 66.66666667%; + } + .col-md-pull-7 { + right: 58.33333333%; + } + .col-md-pull-6 { + right: 50%; + } + .col-md-pull-5 { + right: 41.66666667%; + } + .col-md-pull-4 { + right: 33.33333333%; + } + .col-md-pull-3 { + right: 25%; + } + .col-md-pull-2 { + right: 16.66666667%; + } + .col-md-pull-1 { + right: 8.33333333%; + } + .col-md-pull-0 { + right: auto; + } + .col-md-push-12 { + left: 100%; + } + .col-md-push-11 { + left: 91.66666667%; + } + .col-md-push-10 { + left: 83.33333333%; + } + .col-md-push-9 { + left: 75%; + } + .col-md-push-8 { + left: 66.66666667%; + } + .col-md-push-7 { + left: 58.33333333%; + } + .col-md-push-6 { + left: 50%; + } + .col-md-push-5 { + left: 41.66666667%; + } + .col-md-push-4 { + left: 33.33333333%; + } + .col-md-push-3 { + left: 25%; + } + .col-md-push-2 { + left: 16.66666667%; + } + .col-md-push-1 { + left: 8.33333333%; + } + .col-md-push-0 { + left: auto; + } + .col-md-offset-12 { + margin-left: 100%; + } + .col-md-offset-11 { + margin-left: 91.66666667%; + } + .col-md-offset-10 { + margin-left: 83.33333333%; + } + .col-md-offset-9 { + margin-left: 75%; + } + .col-md-offset-8 { + margin-left: 66.66666667%; + } + .col-md-offset-7 { + margin-left: 58.33333333%; + } + .col-md-offset-6 { + margin-left: 50%; + } + .col-md-offset-5 { + margin-left: 41.66666667%; + } + .col-md-offset-4 { + margin-left: 33.33333333%; + } + .col-md-offset-3 { + margin-left: 25%; + } + .col-md-offset-2 { + margin-left: 16.66666667%; + } + .col-md-offset-1 { + margin-left: 8.33333333%; + } + .col-md-offset-0 { + margin-left: 0; + } +} +@media (min-width: 1200px) { + .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12 { + float: left; + } + .col-lg-12 { + width: 100%; + } + .col-lg-11 { + width: 91.66666667%; + } + .col-lg-10 { + width: 83.33333333%; + } + .col-lg-9 { + width: 75%; + } + .col-lg-8 { + width: 66.66666667%; + } + .col-lg-7 { + width: 58.33333333%; + } + .col-lg-6 { + width: 50%; + } + .col-lg-5 { + width: 41.66666667%; + } + .col-lg-4 { + width: 33.33333333%; + } + .col-lg-3 { + width: 25%; + } + .col-lg-2 { + width: 16.66666667%; + } + .col-lg-1 { + width: 8.33333333%; + } + .col-lg-pull-12 { + right: 100%; + } + .col-lg-pull-11 { + right: 91.66666667%; + } + .col-lg-pull-10 { + right: 83.33333333%; + } + .col-lg-pull-9 { + right: 75%; + } + .col-lg-pull-8 { + right: 66.66666667%; + } + .col-lg-pull-7 { + right: 58.33333333%; + } + .col-lg-pull-6 { + right: 50%; + } + .col-lg-pull-5 { + right: 41.66666667%; + } + .col-lg-pull-4 { + right: 33.33333333%; + } + .col-lg-pull-3 { + right: 25%; + } + .col-lg-pull-2 { + right: 16.66666667%; + } + .col-lg-pull-1 { + right: 8.33333333%; + } + .col-lg-pull-0 { + right: auto; + } + .col-lg-push-12 { + left: 100%; + } + .col-lg-push-11 { + left: 91.66666667%; + } + .col-lg-push-10 { + left: 83.33333333%; + } + .col-lg-push-9 { + left: 75%; + } + .col-lg-push-8 { + left: 66.66666667%; + } + .col-lg-push-7 { + left: 58.33333333%; + } + .col-lg-push-6 { + left: 50%; + } + .col-lg-push-5 { + left: 41.66666667%; + } + .col-lg-push-4 { + left: 33.33333333%; + } + .col-lg-push-3 { + left: 25%; + } + .col-lg-push-2 { + left: 16.66666667%; + } + .col-lg-push-1 { + left: 8.33333333%; + } + .col-lg-push-0 { + left: auto; + } + .col-lg-offset-12 { + margin-left: 100%; + } + .col-lg-offset-11 { + margin-left: 91.66666667%; + } + .col-lg-offset-10 { + margin-left: 83.33333333%; + } + .col-lg-offset-9 { + margin-left: 75%; + } + .col-lg-offset-8 { + margin-left: 66.66666667%; + } + .col-lg-offset-7 { + margin-left: 58.33333333%; + } + .col-lg-offset-6 { + margin-left: 50%; + } + .col-lg-offset-5 { + margin-left: 41.66666667%; + } + .col-lg-offset-4 { + margin-left: 33.33333333%; + } + .col-lg-offset-3 { + margin-left: 25%; + } + .col-lg-offset-2 { + margin-left: 16.66666667%; + } + .col-lg-offset-1 { + margin-left: 8.33333333%; + } + .col-lg-offset-0 { + margin-left: 0; + } +} +table { + background-color: transparent; +} +th { + text-align: left; +} +.table { + width: 100%; + max-width: 100%; + margin-bottom: 20px; +} +.table > thead > tr > th, +.table > tbody > tr > th, +.table > tfoot > tr > th, +.table > thead > tr > td, +.table > tbody > tr > td, +.table > tfoot > tr > td { + padding: 8px; + line-height: 1.42857143; + vertical-align: top; + border-top: 1px solid #ddd; +} +.table > thead > tr > th { + vertical-align: bottom; + border-bottom: 2px solid #ddd; +} +.table > caption + thead > tr:first-child > th, +.table > colgroup + thead > tr:first-child > th, +.table > thead:first-child > tr:first-child > th, +.table > caption + thead > tr:first-child > td, +.table > colgroup + thead > tr:first-child > td, +.table > thead:first-child > tr:first-child > td { + border-top: 0; +} +.table > tbody + tbody { + border-top: 2px solid #ddd; +} +.table .table { + background-color: #fff; +} +.table-condensed > thead > tr > th, +.table-condensed > tbody > tr > th, +.table-condensed > tfoot > tr > th, +.table-condensed > thead > tr > td, +.table-condensed > tbody > tr > td, +.table-condensed > tfoot > tr > td { + padding: 5px; +} +.table-bordered { + border: 1px solid #ddd; +} +.table-bordered > thead > tr > th, +.table-bordered > tbody > tr > th, +.table-bordered > tfoot > tr > th, +.table-bordered > thead > tr > td, +.table-bordered > tbody > tr > td, +.table-bordered > tfoot > tr > td { + border: 1px solid #ddd; +} +.table-bordered > thead > tr > th, +.table-bordered > thead > tr > td { + border-bottom-width: 2px; +} +.table-striped > tbody > tr:nth-child(odd) > td, +.table-striped > tbody > tr:nth-child(odd) > th { + background-color: #f9f9f9; +} +.table-hover > tbody > tr:hover > td, +.table-hover > tbody > tr:hover > th { + background-color: #f5f5f5; +} +table col[class*="col-"] { + position: static; + display: table-column; + float: none; +} +table td[class*="col-"], +table th[class*="col-"] { + position: static; + display: table-cell; + float: none; +} +.table > thead > tr > td.active, +.table > tbody > tr > td.active, +.table > tfoot > tr > td.active, +.table > thead > tr > th.active, +.table > tbody > tr > th.active, +.table > tfoot > tr > th.active, +.table > thead > tr.active > td, +.table > tbody > tr.active > td, +.table > tfoot > tr.active > td, +.table > thead > tr.active > th, +.table > tbody > tr.active > th, +.table > tfoot > tr.active > th { + background-color: #f5f5f5; +} +.table-hover > tbody > tr > td.active:hover, +.table-hover > tbody > tr > th.active:hover, +.table-hover > tbody > tr.active:hover > td, +.table-hover > tbody > tr:hover > .active, +.table-hover > tbody > tr.active:hover > th { + background-color: #e8e8e8; +} +.table > thead > tr > td.success, +.table > tbody > tr > td.success, +.table > tfoot > tr > td.success, +.table > thead > tr > th.success, +.table > tbody > tr > th.success, +.table > tfoot > tr > th.success, +.table > thead > tr.success > td, +.table > tbody > tr.success > td, +.table > tfoot > tr.success > td, +.table > thead > tr.success > th, +.table > tbody > tr.success > th, +.table > tfoot > tr.success > th { + background-color: #dff0d8; +} +.table-hover > tbody > tr > td.success:hover, +.table-hover > tbody > tr > th.success:hover, +.table-hover > tbody > tr.success:hover > td, +.table-hover > tbody > tr:hover > .success, +.table-hover > tbody > tr.success:hover > th { + background-color: #d0e9c6; +} +.table > thead > tr > td.info, +.table > tbody > tr > td.info, +.table > tfoot > tr > td.info, +.table > thead > tr > th.info, +.table > tbody > tr > th.info, +.table > tfoot > tr > th.info, +.table > thead > tr.info > td, +.table > tbody > tr.info > td, +.table > tfoot > tr.info > td, +.table > thead > tr.info > th, +.table > tbody > tr.info > th, +.table > tfoot > tr.info > th { + background-color: #d9edf7; +} +.table-hover > tbody > tr > td.info:hover, +.table-hover > tbody > tr > th.info:hover, +.table-hover > tbody > tr.info:hover > td, +.table-hover > tbody > tr:hover > .info, +.table-hover > tbody > tr.info:hover > th { + background-color: #c4e3f3; +} +.table > thead > tr > td.warning, +.table > tbody > tr > td.warning, +.table > tfoot > tr > td.warning, +.table > thead > tr > th.warning, +.table > tbody > tr > th.warning, +.table > tfoot > tr > th.warning, +.table > thead > tr.warning > td, +.table > tbody > tr.warning > td, +.table > tfoot > tr.warning > td, +.table > thead > tr.warning > th, +.table > tbody > tr.warning > th, +.table > tfoot > tr.warning > th { + background-color: #fcf8e3; +} +.table-hover > tbody > tr > td.warning:hover, +.table-hover > tbody > tr > th.warning:hover, +.table-hover > tbody > tr.warning:hover > td, +.table-hover > tbody > tr:hover > .warning, +.table-hover > tbody > tr.warning:hover > th { + background-color: #faf2cc; +} +.table > thead > tr > td.danger, +.table > tbody > tr > td.danger, +.table > tfoot > tr > td.danger, +.table > thead > tr > th.danger, +.table > tbody > tr > th.danger, +.table > tfoot > tr > th.danger, +.table > thead > tr.danger > td, +.table > tbody > tr.danger > td, +.table > tfoot > tr.danger > td, +.table > thead > tr.danger > th, +.table > tbody > tr.danger > th, +.table > tfoot > tr.danger > th { + background-color: #f2dede; +} +.table-hover > tbody > tr > td.danger:hover, +.table-hover > tbody > tr > th.danger:hover, +.table-hover > tbody > tr.danger:hover > td, +.table-hover > tbody > tr:hover > .danger, +.table-hover > tbody > tr.danger:hover > th { + background-color: #ebcccc; +} +@media screen and (max-width: 767px) { + .table-responsive { + width: 100%; + margin-bottom: 15px; + overflow-x: auto; + overflow-y: hidden; + -webkit-overflow-scrolling: touch; + -ms-overflow-style: -ms-autohiding-scrollbar; + border: 1px solid #ddd; + } + .table-responsive > .table { + margin-bottom: 0; + } + .table-responsive > .table > thead > tr > th, + .table-responsive > .table > tbody > tr > th, + .table-responsive > .table > tfoot > tr > th, + .table-responsive > .table > thead > tr > td, + .table-responsive > .table > tbody > tr > td, + .table-responsive > .table > tfoot > tr > td { + white-space: nowrap; + } + .table-responsive > .table-bordered { + border: 0; + } + .table-responsive > .table-bordered > thead > tr > th:first-child, + .table-responsive > .table-bordered > tbody > tr > th:first-child, + .table-responsive > .table-bordered > tfoot > tr > th:first-child, + .table-responsive > .table-bordered > thead > tr > td:first-child, + .table-responsive > .table-bordered > tbody > tr > td:first-child, + .table-responsive > .table-bordered > tfoot > tr > td:first-child { + border-left: 0; + } + .table-responsive > .table-bordered > thead > tr > th:last-child, + .table-responsive > .table-bordered > tbody > tr > th:last-child, + .table-responsive > .table-bordered > tfoot > tr > th:last-child, + .table-responsive > .table-bordered > thead > tr > td:last-child, + .table-responsive > .table-bordered > tbody > tr > td:last-child, + .table-responsive > .table-bordered > tfoot > tr > td:last-child { + border-right: 0; + } + .table-responsive > .table-bordered > tbody > tr:last-child > th, + .table-responsive > .table-bordered > tfoot > tr:last-child > th, + .table-responsive > .table-bordered > tbody > tr:last-child > td, + .table-responsive > .table-bordered > tfoot > tr:last-child > td { + border-bottom: 0; + } +} +fieldset { + min-width: 0; + padding: 0; + margin: 0; + border: 0; +} +legend { + display: block; + width: 100%; + padding: 0; + margin-bottom: 20px; + font-size: 21px; + line-height: inherit; + color: #333; + border: 0; + border-bottom: 1px solid #e5e5e5; +} +label { + display: inline-block; + max-width: 100%; + margin-bottom: 5px; + font-weight: bold; +} +input[type="search"] { + -webkit-box-sizing: border-box; + -moz-box-sizing: border-box; + box-sizing: border-box; +} +input[type="radio"], +input[type="checkbox"] { + margin: 4px 0 0; + margin-top: 1px \9; + line-height: normal; +} +input[type="file"] { + display: block; +} +input[type="range"] { + display: block; + width: 100%; +} +select[multiple], +select[size] { + height: auto; +} +input[type="file"]:focus, +input[type="radio"]:focus, +input[type="checkbox"]:focus { + outline: thin dotted; + outline: 5px auto -webkit-focus-ring-color; + outline-offset: -2px; +} +output { + display: block; + padding-top: 7px; + font-size: 14px; + line-height: 1.42857143; + color: #555; +} +.form-control { + display: block; + width: 100%; + height: 34px; + padding: 6px 12px; + font-size: 14px; + line-height: 1.42857143; + color: #555; + background-color: #fff; + background-image: none; + border: 1px solid #ccc; + border-radius: 4px; + -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075); + box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075); + -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s; + -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s; + transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s; +} +.form-control:focus { + border-color: #66afe9; + outline: 0; + -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6); + box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6); +} +.form-control::-moz-placeholder { + color: #777; + opacity: 1; +} +.form-control:-ms-input-placeholder { + color: #777; +} +.form-control::-webkit-input-placeholder { + color: #777; +} +.form-control[disabled], +.form-control[readonly], +fieldset[disabled] .form-control { + cursor: not-allowed; + background-color: #eee; + opacity: 1; +} +textarea.form-control { + height: auto; +} +input[type="search"] { + -webkit-appearance: none; +} +input[type="date"], +input[type="time"], +input[type="datetime-local"], +input[type="month"] { + line-height: 34px; + line-height: 1.42857143 \0; +} +input[type="date"].input-sm, +input[type="time"].input-sm, +input[type="datetime-local"].input-sm, +input[type="month"].input-sm { + line-height: 30px; +} +input[type="date"].input-lg, +input[type="time"].input-lg, +input[type="datetime-local"].input-lg, +input[type="month"].input-lg { + line-height: 46px; +} +.form-group { + margin-bottom: 15px; +} +.radio, +.checkbox { + position: relative; + display: block; + min-height: 20px; + margin-top: 10px; + margin-bottom: 10px; +} +.radio label, +.checkbox label { + padding-left: 20px; + margin-bottom: 0; + font-weight: normal; + cursor: pointer; +} +.radio input[type="radio"], +.radio-inline input[type="radio"], +.checkbox input[type="checkbox"], +.checkbox-inline input[type="checkbox"] { + position: absolute; + margin-top: 4px \9; + margin-left: -20px; +} +.radio + .radio, +.checkbox + .checkbox { + margin-top: -5px; +} +.radio-inline, +.checkbox-inline { + display: inline-block; + padding-left: 20px; + margin-bottom: 0; + font-weight: normal; + vertical-align: middle; + cursor: pointer; +} +.radio-inline + .radio-inline, +.checkbox-inline + .checkbox-inline { + margin-top: 0; + margin-left: 10px; +} +input[type="radio"][disabled], +input[type="checkbox"][disabled], +input[type="radio"].disabled, +input[type="checkbox"].disabled, +fieldset[disabled] input[type="radio"], +fieldset[disabled] input[type="checkbox"] { + cursor: not-allowed; +} +.radio-inline.disabled, +.checkbox-inline.disabled, +fieldset[disabled] .radio-inline, +fieldset[disabled] .checkbox-inline { + cursor: not-allowed; +} +.radio.disabled label, +.checkbox.disabled label, +fieldset[disabled] .radio label, +fieldset[disabled] .checkbox label { + cursor: not-allowed; +} +.form-control-static { + padding-top: 7px; + padding-bottom: 7px; + margin-bottom: 0; +} +.form-control-static.input-lg, +.form-control-static.input-sm { + padding-right: 0; + padding-left: 0; +} +.input-sm, +.form-horizontal .form-group-sm .form-control { + height: 30px; + padding: 5px 10px; + font-size: 12px; + line-height: 1.5; + border-radius: 3px; +} +select.input-sm { + height: 30px; + line-height: 30px; +} +textarea.input-sm, +select[multiple].input-sm { + height: auto; +} +.input-lg, +.form-horizontal .form-group-lg .form-control { + height: 46px; + padding: 10px 16px; + font-size: 18px; + line-height: 1.33; + border-radius: 6px; +} +select.input-lg { + height: 46px; + line-height: 46px; +} +textarea.input-lg, +select[multiple].input-lg { + height: auto; +} +.has-feedback { + position: relative; +} +.has-feedback .form-control { + padding-right: 42.5px; +} +.form-control-feedback { + position: absolute; + top: 25px; + right: 0; + z-index: 2; + display: block; + width: 34px; + height: 34px; + line-height: 34px; + text-align: center; +} +.input-lg + .form-control-feedback { + width: 46px; + height: 46px; + line-height: 46px; +} +.input-sm + .form-control-feedback { + width: 30px; + height: 30px; + line-height: 30px; +} +.has-success .help-block, +.has-success .control-label, +.has-success .radio, +.has-success .checkbox, +.has-success .radio-inline, +.has-success .checkbox-inline { + color: #3c763d; +} +.has-success .form-control { + border-color: #3c763d; + -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075); + box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075); +} +.has-success .form-control:focus { + border-color: #2b542c; + -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 6px #67b168; + box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 6px #67b168; +} +.has-success .input-group-addon { + color: #3c763d; + background-color: #dff0d8; + border-color: #3c763d; +} +.has-success .form-control-feedback { + color: #3c763d; +} +.has-warning .help-block, +.has-warning .control-label, +.has-warning .radio, +.has-warning .checkbox, +.has-warning .radio-inline, +.has-warning .checkbox-inline { + color: #8a6d3b; +} +.has-warning .form-control { + border-color: #8a6d3b; + -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075); + box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075); +} +.has-warning .form-control:focus { + border-color: #66512c; + -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 6px #c0a16b; + box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 6px #c0a16b; +} +.has-warning .input-group-addon { + color: #8a6d3b; + background-color: #fcf8e3; + border-color: #8a6d3b; +} +.has-warning .form-control-feedback { + color: #8a6d3b; +} +.has-error .help-block, +.has-error .control-label, +.has-error .radio, +.has-error .checkbox, +.has-error .radio-inline, +.has-error .checkbox-inline { + color: #a94442; +} +.has-error .form-control { + border-color: #a94442; + -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075); + box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075); +} +.has-error .form-control:focus { + border-color: #843534; + -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 6px #ce8483; + box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 6px #ce8483; +} +.has-error .input-group-addon { + color: #a94442; + background-color: #f2dede; + border-color: #a94442; +} +.has-error .form-control-feedback { + color: #a94442; +} +.has-feedback label.sr-only ~ .form-control-feedback { + top: 0; +} +.help-block { + display: block; + margin-top: 5px; + margin-bottom: 10px; + color: #737373; +} +@media (min-width: 768px) { + .form-inline .form-group { + display: inline-block; + margin-bottom: 0; + vertical-align: middle; + } + .form-inline .form-control { + display: inline-block; + width: auto; + vertical-align: middle; + } + .form-inline .input-group { + display: inline-table; + vertical-align: middle; + } + .form-inline .input-group .input-group-addon, + .form-inline .input-group .input-group-btn, + .form-inline .input-group .form-control { + width: auto; + } + .form-inline .input-group > .form-control { + width: 100%; + } + .form-inline .control-label { + margin-bottom: 0; + vertical-align: middle; + } + .form-inline .radio, + .form-inline .checkbox { + display: inline-block; + margin-top: 0; + margin-bottom: 0; + vertical-align: middle; + } + .form-inline .radio label, + .form-inline .checkbox label { + padding-left: 0; + } + .form-inline .radio input[type="radio"], + .form-inline .checkbox input[type="checkbox"] { + position: relative; + margin-left: 0; + } + .form-inline .has-feedback .form-control-feedback { + top: 0; + } +} +.form-horizontal .radio, +.form-horizontal .checkbox, +.form-horizontal .radio-inline, +.form-horizontal .checkbox-inline { + padding-top: 7px; + margin-top: 0; + margin-bottom: 0; +} +.form-horizontal .radio, +.form-horizontal .checkbox { + min-height: 27px; +} +.form-horizontal .form-group { + margin-right: -15px; + margin-left: -15px; +} +@media (min-width: 768px) { + .form-horizontal .control-label { + padding-top: 7px; + margin-bottom: 0; + text-align: right; + } +} +.form-horizontal .has-feedback .form-control-feedback { + top: 0; + right: 15px; +} +@media (min-width: 768px) { + .form-horizontal .form-group-lg .control-label { + padding-top: 14.3px; + } +} +@media (min-width: 768px) { + .form-horizontal .form-group-sm .control-label { + padding-top: 6px; + } +} +.btn { + display: inline-block; + padding: 6px 12px; + margin-bottom: 0; + font-size: 14px; + font-weight: normal; + line-height: 1.42857143; + text-align: center; + white-space: nowrap; + vertical-align: middle; + cursor: pointer; + -webkit-user-select: none; + -moz-user-select: none; + -ms-user-select: none; + user-select: none; + background-image: none; + border: 1px solid transparent; + border-radius: 4px; +} +.btn:focus, +.btn:active:focus, +.btn.active:focus { + outline: thin dotted; + outline: 5px auto -webkit-focus-ring-color; + outline-offset: -2px; +} +.btn:hover, +.btn:focus { + color: #333; + text-decoration: none; +} +.btn:active, +.btn.active { + background-image: none; + outline: 0; + -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125); + box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125); +} +.btn.disabled, +.btn[disabled], +fieldset[disabled] .btn { + pointer-events: none; + cursor: not-allowed; + filter: alpha(opacity=65); + -webkit-box-shadow: none; + box-shadow: none; + opacity: .65; +} +.btn-default { + color: #333; + background-color: #fff; + border-color: #ccc; +} +.btn-default:hover, +.btn-default:focus, +.btn-default:active, +.btn-default.active, +.open > .dropdown-toggle.btn-default { + color: #333; + background-color: #e6e6e6; + border-color: #adadad; +} +.btn-default:active, +.btn-default.active, +.open > .dropdown-toggle.btn-default { + background-image: none; +} +.btn-default.disabled, +.btn-default[disabled], +fieldset[disabled] .btn-default, +.btn-default.disabled:hover, +.btn-default[disabled]:hover, +fieldset[disabled] .btn-default:hover, +.btn-default.disabled:focus, +.btn-default[disabled]:focus, +fieldset[disabled] .btn-default:focus, +.btn-default.disabled:active, +.btn-default[disabled]:active, +fieldset[disabled] .btn-default:active, +.btn-default.disabled.active, +.btn-default[disabled].active, +fieldset[disabled] .btn-default.active { + background-color: #fff; + border-color: #ccc; +} +.btn-default .badge { + color: #fff; + background-color: #333; +} +.btn-primary { + color: #fff; + background-color: #428bca; + border-color: #357ebd; +} +.btn-primary:hover, +.btn-primary:focus, +.btn-primary:active, +.btn-primary.active, +.open > .dropdown-toggle.btn-primary { + color: #fff; + background-color: #3071a9; + border-color: #285e8e; +} +.btn-primary:active, +.btn-primary.active, +.open > .dropdown-toggle.btn-primary { + background-image: none; +} +.btn-primary.disabled, +.btn-primary[disabled], +fieldset[disabled] .btn-primary, +.btn-primary.disabled:hover, +.btn-primary[disabled]:hover, +fieldset[disabled] .btn-primary:hover, +.btn-primary.disabled:focus, +.btn-primary[disabled]:focus, +fieldset[disabled] .btn-primary:focus, +.btn-primary.disabled:active, +.btn-primary[disabled]:active, +fieldset[disabled] .btn-primary:active, +.btn-primary.disabled.active, +.btn-primary[disabled].active, +fieldset[disabled] .btn-primary.active { + background-color: #428bca; + border-color: #357ebd; +} +.btn-primary .badge { + color: #428bca; + background-color: #fff; +} +.btn-success { + color: #fff; + background-color: #5cb85c; + border-color: #4cae4c; +} +.btn-success:hover, +.btn-success:focus, +.btn-success:active, +.btn-success.active, +.open > .dropdown-toggle.btn-success { + color: #fff; + background-color: #449d44; + border-color: #398439; +} +.btn-success:active, +.btn-success.active, +.open > .dropdown-toggle.btn-success { + background-image: none; +} +.btn-success.disabled, +.btn-success[disabled], +fieldset[disabled] .btn-success, +.btn-success.disabled:hover, +.btn-success[disabled]:hover, +fieldset[disabled] .btn-success:hover, +.btn-success.disabled:focus, +.btn-success[disabled]:focus, +fieldset[disabled] .btn-success:focus, +.btn-success.disabled:active, +.btn-success[disabled]:active, +fieldset[disabled] .btn-success:active, +.btn-success.disabled.active, +.btn-success[disabled].active, +fieldset[disabled] .btn-success.active { + background-color: #5cb85c; + border-color: #4cae4c; +} +.btn-success .badge { + color: #5cb85c; + background-color: #fff; +} +.btn-info { + color: #fff; + background-color: #5bc0de; + border-color: #46b8da; +} +.btn-info:hover, +.btn-info:focus, +.btn-info:active, +.btn-info.active, +.open > .dropdown-toggle.btn-info { + color: #fff; + background-color: #31b0d5; + border-color: #269abc; +} +.btn-info:active, +.btn-info.active, +.open > .dropdown-toggle.btn-info { + background-image: none; +} +.btn-info.disabled, +.btn-info[disabled], +fieldset[disabled] .btn-info, +.btn-info.disabled:hover, +.btn-info[disabled]:hover, +fieldset[disabled] .btn-info:hover, +.btn-info.disabled:focus, +.btn-info[disabled]:focus, +fieldset[disabled] .btn-info:focus, +.btn-info.disabled:active, +.btn-info[disabled]:active, +fieldset[disabled] .btn-info:active, +.btn-info.disabled.active, +.btn-info[disabled].active, +fieldset[disabled] .btn-info.active { + background-color: #5bc0de; + border-color: #46b8da; +} +.btn-info .badge { + color: #5bc0de; + background-color: #fff; +} +.btn-warning { + color: #fff; + background-color: #f0ad4e; + border-color: #eea236; +} +.btn-warning:hover, +.btn-warning:focus, +.btn-warning:active, +.btn-warning.active, +.open > .dropdown-toggle.btn-warning { + color: #fff; + background-color: #ec971f; + border-color: #d58512; +} +.btn-warning:active, +.btn-warning.active, +.open > .dropdown-toggle.btn-warning { + background-image: none; +} +.btn-warning.disabled, +.btn-warning[disabled], +fieldset[disabled] .btn-warning, +.btn-warning.disabled:hover, +.btn-warning[disabled]:hover, +fieldset[disabled] .btn-warning:hover, +.btn-warning.disabled:focus, +.btn-warning[disabled]:focus, +fieldset[disabled] .btn-warning:focus, +.btn-warning.disabled:active, +.btn-warning[disabled]:active, +fieldset[disabled] .btn-warning:active, +.btn-warning.disabled.active, +.btn-warning[disabled].active, +fieldset[disabled] .btn-warning.active { + background-color: #f0ad4e; + border-color: #eea236; +} +.btn-warning .badge { + color: #f0ad4e; + background-color: #fff; +} +.btn-danger { + color: #fff; + background-color: #d9534f; + border-color: #d43f3a; +} +.btn-danger:hover, +.btn-danger:focus, +.btn-danger:active, +.btn-danger.active, +.open > .dropdown-toggle.btn-danger { + color: #fff; + background-color: #c9302c; + border-color: #ac2925; +} +.btn-danger:active, +.btn-danger.active, +.open > .dropdown-toggle.btn-danger { + background-image: none; +} +.btn-danger.disabled, +.btn-danger[disabled], +fieldset[disabled] .btn-danger, +.btn-danger.disabled:hover, +.btn-danger[disabled]:hover, +fieldset[disabled] .btn-danger:hover, +.btn-danger.disabled:focus, +.btn-danger[disabled]:focus, +fieldset[disabled] .btn-danger:focus, +.btn-danger.disabled:active, +.btn-danger[disabled]:active, +fieldset[disabled] .btn-danger:active, +.btn-danger.disabled.active, +.btn-danger[disabled].active, +fieldset[disabled] .btn-danger.active { + background-color: #d9534f; + border-color: #d43f3a; +} +.btn-danger .badge { + color: #d9534f; + background-color: #fff; +} +.btn-link { + font-weight: normal; + color: #428bca; + cursor: pointer; + border-radius: 0; +} +.btn-link, +.btn-link:active, +.btn-link[disabled], +fieldset[disabled] .btn-link { + background-color: transparent; + -webkit-box-shadow: none; + box-shadow: none; +} +.btn-link, +.btn-link:hover, +.btn-link:focus, +.btn-link:active { + border-color: transparent; +} +.btn-link:hover, +.btn-link:focus { + color: #2a6496; + text-decoration: underline; + background-color: transparent; +} +.btn-link[disabled]:hover, +fieldset[disabled] .btn-link:hover, +.btn-link[disabled]:focus, +fieldset[disabled] .btn-link:focus { + color: #777; + text-decoration: none; +} +.btn-lg, +.btn-group-lg > .btn { + padding: 10px 16px; + font-size: 18px; + line-height: 1.33; + border-radius: 6px; +} +.btn-sm, +.btn-group-sm > .btn { + padding: 5px 10px; + font-size: 12px; + line-height: 1.5; + border-radius: 3px; +} +.btn-xs, +.btn-group-xs > .btn { + padding: 1px 5px; + font-size: 12px; + line-height: 1.5; + border-radius: 3px; +} +.btn-block { + display: block; + width: 100%; +} +.btn-block + .btn-block { + margin-top: 5px; +} +input[type="submit"].btn-block, +input[type="reset"].btn-block, +input[type="button"].btn-block { + width: 100%; +} +.fade { + opacity: 0; + -webkit-transition: opacity .15s linear; + -o-transition: opacity .15s linear; + transition: opacity .15s linear; +} +.fade.in { + opacity: 1; +} +.collapse { + display: none; +} +.collapse.in { + display: block; +} +tr.collapse.in { + display: table-row; +} +tbody.collapse.in { + display: table-row-group; +} +.collapsing { + position: relative; + height: 0; + overflow: hidden; + -webkit-transition: height .35s ease; + -o-transition: height .35s ease; + transition: height .35s ease; +} +.caret { + display: inline-block; + width: 0; + height: 0; + margin-left: 2px; + vertical-align: middle; + border-top: 4px solid; + border-right: 4px solid transparent; + border-left: 4px solid transparent; +} +.dropdown { + position: relative; +} +.dropdown-toggle:focus { + outline: 0; +} +.dropdown-menu { + position: absolute; + top: 100%; + left: 0; + z-index: 1000; + display: none; + float: left; + min-width: 160px; + padding: 5px 0; + margin: 2px 0 0; + font-size: 14px; + text-align: left; + list-style: none; + background-color: #fff; + -webkit-background-clip: padding-box; + background-clip: padding-box; + border: 1px solid #ccc; + border: 1px solid rgba(0, 0, 0, .15); + border-radius: 4px; + -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, .175); + box-shadow: 0 6px 12px rgba(0, 0, 0, .175); +} +.dropdown-menu.pull-right { + right: 0; + left: auto; +} +.dropdown-menu .divider { + height: 1px; + margin: 9px 0; + overflow: hidden; + background-color: #e5e5e5; +} +.dropdown-menu > li > a { + display: block; + padding: 3px 20px; + clear: both; + font-weight: normal; + line-height: 1.42857143; + color: #333; + white-space: nowrap; +} +.dropdown-menu > li > a:hover, +.dropdown-menu > li > a:focus { + color: #262626; + text-decoration: none; + background-color: #f5f5f5; +} +.dropdown-menu > .active > a, +.dropdown-menu > .active > a:hover, +.dropdown-menu > .active > a:focus { + color: #fff; + text-decoration: none; + background-color: #428bca; + outline: 0; +} +.dropdown-menu > .disabled > a, +.dropdown-menu > .disabled > a:hover, +.dropdown-menu > .disabled > a:focus { + color: #777; +} +.dropdown-menu > .disabled > a:hover, +.dropdown-menu > .disabled > a:focus { + text-decoration: none; + cursor: not-allowed; + background-color: transparent; + background-image: none; + filter: progid:DXImageTransform.Microsoft.gradient(enabled = false); +} +.open > .dropdown-menu { + display: block; +} +.open > a { + outline: 0; +} +.dropdown-menu-right { + right: 0; + left: auto; +} +.dropdown-menu-left { + right: auto; + left: 0; +} +.dropdown-header { + display: block; + padding: 3px 20px; + font-size: 12px; + line-height: 1.42857143; + color: #777; + white-space: nowrap; +} +.dropdown-backdrop { + position: fixed; + top: 0; + right: 0; + bottom: 0; + left: 0; + z-index: 990; +} +.pull-right > .dropdown-menu { + right: 0; + left: auto; +} +.dropup .caret, +.navbar-fixed-bottom .dropdown .caret { + content: ""; + border-top: 0; + border-bottom: 4px solid; +} +.dropup .dropdown-menu, +.navbar-fixed-bottom .dropdown .dropdown-menu { + top: auto; + bottom: 100%; + margin-bottom: 1px; +} +@media (min-width: 768px) { + .navbar-right .dropdown-menu { + right: 0; + left: auto; + } + .navbar-right .dropdown-menu-left { + right: auto; + left: 0; + } +} +.btn-group, +.btn-group-vertical { + position: relative; + display: inline-block; + vertical-align: middle; +} +.btn-group > .btn, +.btn-group-vertical > .btn { + position: relative; + float: left; +} +.btn-group > .btn:hover, +.btn-group-vertical > .btn:hover, +.btn-group > .btn:focus, +.btn-group-vertical > .btn:focus, +.btn-group > .btn:active, +.btn-group-vertical > .btn:active, +.btn-group > .btn.active, +.btn-group-vertical > .btn.active { + z-index: 2; +} +.btn-group > .btn:focus, +.btn-group-vertical > .btn:focus { + outline: 0; +} +.btn-group .btn + .btn, +.btn-group .btn + .btn-group, +.btn-group .btn-group + .btn, +.btn-group .btn-group + .btn-group { + margin-left: -1px; +} +.btn-toolbar { + margin-left: -5px; +} +.btn-toolbar .btn-group, +.btn-toolbar .input-group { + float: left; +} +.btn-toolbar > .btn, +.btn-toolbar > .btn-group, +.btn-toolbar > .input-group { + margin-left: 5px; +} +.btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle) { + border-radius: 0; +} +.btn-group > .btn:first-child { + margin-left: 0; +} +.btn-group > .btn:first-child:not(:last-child):not(.dropdown-toggle) { + border-top-right-radius: 0; + border-bottom-right-radius: 0; +} +.btn-group > .btn:last-child:not(:first-child), +.btn-group > .dropdown-toggle:not(:first-child) { + border-top-left-radius: 0; + border-bottom-left-radius: 0; +} +.btn-group > .btn-group { + float: left; +} +.btn-group > .btn-group:not(:first-child):not(:last-child) > .btn { + border-radius: 0; +} +.btn-group > .btn-group:first-child > .btn:last-child, +.btn-group > .btn-group:first-child > .dropdown-toggle { + border-top-right-radius: 0; + border-bottom-right-radius: 0; +} +.btn-group > .btn-group:last-child > .btn:first-child { + border-top-left-radius: 0; + border-bottom-left-radius: 0; +} +.btn-group .dropdown-toggle:active, +.btn-group.open .dropdown-toggle { + outline: 0; +} +.btn-group > .btn + .dropdown-toggle { + padding-right: 8px; + padding-left: 8px; +} +.btn-group > .btn-lg + .dropdown-toggle { + padding-right: 12px; + padding-left: 12px; +} +.btn-group.open .dropdown-toggle { + -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125); + box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125); +} +.btn-group.open .dropdown-toggle.btn-link { + -webkit-box-shadow: none; + box-shadow: none; +} +.btn .caret { + margin-left: 0; +} +.btn-lg .caret { + border-width: 5px 5px 0; + border-bottom-width: 0; +} +.dropup .btn-lg .caret { + border-width: 0 5px 5px; +} +.btn-group-vertical > .btn, +.btn-group-vertical > .btn-group, +.btn-group-vertical > .btn-group > .btn { + display: block; + float: none; + width: 100%; + max-width: 100%; +} +.btn-group-vertical > .btn-group > .btn { + float: none; +} +.btn-group-vertical > .btn + .btn, +.btn-group-vertical > .btn + .btn-group, +.btn-group-vertical > .btn-group + .btn, +.btn-group-vertical > .btn-group + .btn-group { + margin-top: -1px; + margin-left: 0; +} +.btn-group-vertical > .btn:not(:first-child):not(:last-child) { + border-radius: 0; +} +.btn-group-vertical > .btn:first-child:not(:last-child) { + border-top-right-radius: 4px; + border-bottom-right-radius: 0; + border-bottom-left-radius: 0; +} +.btn-group-vertical > .btn:last-child:not(:first-child) { + border-top-left-radius: 0; + border-top-right-radius: 0; + border-bottom-left-radius: 4px; +} +.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn { + border-radius: 0; +} +.btn-group-vertical > .btn-group:first-child:not(:last-child) > .btn:last-child, +.btn-group-vertical > .btn-group:first-child:not(:last-child) > .dropdown-toggle { + border-bottom-right-radius: 0; + border-bottom-left-radius: 0; +} +.btn-group-vertical > .btn-group:last-child:not(:first-child) > .btn:first-child { + border-top-left-radius: 0; + border-top-right-radius: 0; +} +.btn-group-justified { + display: table; + width: 100%; + table-layout: fixed; + border-collapse: separate; +} +.btn-group-justified > .btn, +.btn-group-justified > .btn-group { + display: table-cell; + float: none; + width: 1%; +} +.btn-group-justified > .btn-group .btn { + width: 100%; +} +.btn-group-justified > .btn-group .dropdown-menu { + left: auto; +} +[data-toggle="buttons"] > .btn > input[type="radio"], +[data-toggle="buttons"] > .btn > input[type="checkbox"] { + position: absolute; + z-index: -1; + filter: alpha(opacity=0); + opacity: 0; +} +.input-group { + position: relative; + display: table; + border-collapse: separate; +} +.input-group[class*="col-"] { + float: none; + padding-right: 0; + padding-left: 0; +} +.input-group .form-control { + position: relative; + z-index: 2; + float: left; + width: 100%; + margin-bottom: 0; +} +.input-group-lg > .form-control, +.input-group-lg > .input-group-addon, +.input-group-lg > .input-group-btn > .btn { + height: 46px; + padding: 10px 16px; + font-size: 18px; + line-height: 1.33; + border-radius: 6px; +} +select.input-group-lg > .form-control, +select.input-group-lg > .input-group-addon, +select.input-group-lg > .input-group-btn > .btn { + height: 46px; + line-height: 46px; +} +textarea.input-group-lg > .form-control, +textarea.input-group-lg > .input-group-addon, +textarea.input-group-lg > .input-group-btn > .btn, +select[multiple].input-group-lg > .form-control, +select[multiple].input-group-lg > .input-group-addon, +select[multiple].input-group-lg > .input-group-btn > .btn { + height: auto; +} +.input-group-sm > .form-control, +.input-group-sm > .input-group-addon, +.input-group-sm > .input-group-btn > .btn { + height: 30px; + padding: 5px 10px; + font-size: 12px; + line-height: 1.5; + border-radius: 3px; +} +select.input-group-sm > .form-control, +select.input-group-sm > .input-group-addon, +select.input-group-sm > .input-group-btn > .btn { + height: 30px; + line-height: 30px; +} +textarea.input-group-sm > .form-control, +textarea.input-group-sm > .input-group-addon, +textarea.input-group-sm > .input-group-btn > .btn, +select[multiple].input-group-sm > .form-control, +select[multiple].input-group-sm > .input-group-addon, +select[multiple].input-group-sm > .input-group-btn > .btn { + height: auto; +} +.input-group-addon, +.input-group-btn, +.input-group .form-control { + display: table-cell; +} +.input-group-addon:not(:first-child):not(:last-child), +.input-group-btn:not(:first-child):not(:last-child), +.input-group .form-control:not(:first-child):not(:last-child) { + border-radius: 0; +} +.input-group-addon, +.input-group-btn { + width: 1%; + white-space: nowrap; + vertical-align: middle; +} +.input-group-addon { + padding: 6px 12px; + font-size: 14px; + font-weight: normal; + line-height: 1; + color: #555; + text-align: center; + background-color: #eee; + border: 1px solid #ccc; + border-radius: 4px; +} +.input-group-addon.input-sm { + padding: 5px 10px; + font-size: 12px; + border-radius: 3px; +} +.input-group-addon.input-lg { + padding: 10px 16px; + font-size: 18px; + border-radius: 6px; +} +.input-group-addon input[type="radio"], +.input-group-addon input[type="checkbox"] { + margin-top: 0; +} +.input-group .form-control:first-child, +.input-group-addon:first-child, +.input-group-btn:first-child > .btn, +.input-group-btn:first-child > .btn-group > .btn, +.input-group-btn:first-child > .dropdown-toggle, +.input-group-btn:last-child > .btn:not(:last-child):not(.dropdown-toggle), +.input-group-btn:last-child > .btn-group:not(:last-child) > .btn { + border-top-right-radius: 0; + border-bottom-right-radius: 0; +} +.input-group-addon:first-child { + border-right: 0; +} +.input-group .form-control:last-child, +.input-group-addon:last-child, +.input-group-btn:last-child > .btn, +.input-group-btn:last-child > .btn-group > .btn, +.input-group-btn:last-child > .dropdown-toggle, +.input-group-btn:first-child > .btn:not(:first-child), +.input-group-btn:first-child > .btn-group:not(:first-child) > .btn { + border-top-left-radius: 0; + border-bottom-left-radius: 0; +} +.input-group-addon:last-child { + border-left: 0; +} +.input-group-btn { + position: relative; + font-size: 0; + white-space: nowrap; +} +.input-group-btn > .btn { + position: relative; +} +.input-group-btn > .btn + .btn { + margin-left: -1px; +} +.input-group-btn > .btn:hover, +.input-group-btn > .btn:focus, +.input-group-btn > .btn:active { + z-index: 2; +} +.input-group-btn:first-child > .btn, +.input-group-btn:first-child > .btn-group { + margin-right: -1px; +} +.input-group-btn:last-child > .btn, +.input-group-btn:last-child > .btn-group { + margin-left: -1px; +} +.nav { + padding-left: 0; + margin-bottom: 0; + list-style: none; +} +.nav > li { + position: relative; + display: block; +} +.nav > li > a { + position: relative; + display: block; + padding: 10px 15px; +} +.nav > li > a:hover, +.nav > li > a:focus { + text-decoration: none; + background-color: #eee; +} +.nav > li.disabled > a { + color: #777; +} +.nav > li.disabled > a:hover, +.nav > li.disabled > a:focus { + color: #777; + text-decoration: none; + cursor: not-allowed; + background-color: transparent; +} +.nav .open > a, +.nav .open > a:hover, +.nav .open > a:focus { + background-color: #eee; + border-color: #428bca; +} +.nav .nav-divider { + height: 1px; + margin: 9px 0; + overflow: hidden; + background-color: #e5e5e5; +} +.nav > li > a > img { + max-width: none; +} +.nav-tabs { + border-bottom: 1px solid #ddd; +} +.nav-tabs > li { + float: left; + margin-bottom: -1px; +} +.nav-tabs > li > a { + margin-right: 2px; + line-height: 1.42857143; + border: 1px solid transparent; + border-radius: 4px 4px 0 0; +} +.nav-tabs > li > a:hover { + border-color: #eee #eee #ddd; +} +.nav-tabs > li.active > a, +.nav-tabs > li.active > a:hover, +.nav-tabs > li.active > a:focus { + color: #555; + cursor: default; + background-color: #fff; + border: 1px solid #ddd; + border-bottom-color: transparent; +} +.nav-tabs.nav-justified { + width: 100%; + border-bottom: 0; +} +.nav-tabs.nav-justified > li { + float: none; +} +.nav-tabs.nav-justified > li > a { + margin-bottom: 5px; + text-align: center; +} +.nav-tabs.nav-justified > .dropdown .dropdown-menu { + top: auto; + left: auto; +} +@media (min-width: 768px) { + .nav-tabs.nav-justified > li { + display: table-cell; + width: 1%; + } + .nav-tabs.nav-justified > li > a { + margin-bottom: 0; + } +} +.nav-tabs.nav-justified > li > a { + margin-right: 0; + border-radius: 4px; +} +.nav-tabs.nav-justified > .active > a, +.nav-tabs.nav-justified > .active > a:hover, +.nav-tabs.nav-justified > .active > a:focus { + border: 1px solid #ddd; +} +@media (min-width: 768px) { + .nav-tabs.nav-justified > li > a { + border-bottom: 1px solid #ddd; + border-radius: 4px 4px 0 0; + } + .nav-tabs.nav-justified > .active > a, + .nav-tabs.nav-justified > .active > a:hover, + .nav-tabs.nav-justified > .active > a:focus { + border-bottom-color: #fff; + } +} +.nav-pills > li { + float: left; +} +.nav-pills > li > a { + border-radius: 4px; +} +.nav-pills > li + li { + margin-left: 2px; +} +.nav-pills > li.active > a, +.nav-pills > li.active > a:hover, +.nav-pills > li.active > a:focus { + color: #fff; + background-color: #428bca; +} +.nav-stacked > li { + float: none; +} +.nav-stacked > li + li { + margin-top: 2px; + margin-left: 0; +} +.nav-justified { + width: 100%; +} +.nav-justified > li { + float: none; +} +.nav-justified > li > a { + margin-bottom: 5px; + text-align: center; +} +.nav-justified > .dropdown .dropdown-menu { + top: auto; + left: auto; +} +@media (min-width: 768px) { + .nav-justified > li { + display: table-cell; + width: 1%; + } + .nav-justified > li > a { + margin-bottom: 0; + } +} +.nav-tabs-justified { + border-bottom: 0; +} +.nav-tabs-justified > li > a { + margin-right: 0; + border-radius: 4px; +} +.nav-tabs-justified > .active > a, +.nav-tabs-justified > .active > a:hover, +.nav-tabs-justified > .active > a:focus { + border: 1px solid #ddd; +} +@media (min-width: 768px) { + .nav-tabs-justified > li > a { + border-bottom: 1px solid #ddd; + border-radius: 4px 4px 0 0; + } + .nav-tabs-justified > .active > a, + .nav-tabs-justified > .active > a:hover, + .nav-tabs-justified > .active > a:focus { + border-bottom-color: #fff; + } +} +.tab-content > .tab-pane { + display: none; +} +.tab-content > .active { + display: block; +} +.nav-tabs .dropdown-menu { + margin-top: -1px; + border-top-left-radius: 0; + border-top-right-radius: 0; +} +.navbar { + position: relative; + min-height: 50px; + margin-bottom: 20px; + border: 1px solid transparent; +} +@media (min-width: 768px) { + .navbar { + border-radius: 4px; + } +} +@media (min-width: 768px) { + .navbar-header { + float: left; + } +} +.navbar-collapse { + padding-right: 15px; + padding-left: 15px; + overflow-x: visible; + -webkit-overflow-scrolling: touch; + border-top: 1px solid transparent; + -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1); + box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1); +} +.navbar-collapse.in { + overflow-y: auto; +} +@media (min-width: 768px) { + .navbar-collapse { + width: auto; + border-top: 0; + -webkit-box-shadow: none; + box-shadow: none; + } + .navbar-collapse.collapse { + display: block !important; + height: auto !important; + padding-bottom: 0; + overflow: visible !important; + } + .navbar-collapse.in { + overflow-y: visible; + } + .navbar-fixed-top .navbar-collapse, + .navbar-static-top .navbar-collapse, + .navbar-fixed-bottom .navbar-collapse { + padding-right: 0; + padding-left: 0; + } +} +.navbar-fixed-top .navbar-collapse, +.navbar-fixed-bottom .navbar-collapse { + max-height: 340px; +} +@media (max-width: 480px) and (orientation: landscape) { + .navbar-fixed-top .navbar-collapse, + .navbar-fixed-bottom .navbar-collapse { + max-height: 200px; + } +} +.container > .navbar-header, +.container-fluid > .navbar-header, +.container > .navbar-collapse, +.container-fluid > .navbar-collapse { + margin-right: -15px; + margin-left: -15px; +} +@media (min-width: 768px) { + .container > .navbar-header, + .container-fluid > .navbar-header, + .container > .navbar-collapse, + .container-fluid > .navbar-collapse { + margin-right: 0; + margin-left: 0; + } +} +.navbar-static-top { + z-index: 1000; + border-width: 0 0 1px; +} +@media (min-width: 768px) { + .navbar-static-top { + border-radius: 0; + } +} +.navbar-fixed-top, +.navbar-fixed-bottom { + position: fixed; + right: 0; + left: 0; + z-index: 1030; + -webkit-transform: translate3d(0, 0, 0); + -o-transform: translate3d(0, 0, 0); + transform: translate3d(0, 0, 0); +} +@media (min-width: 768px) { + .navbar-fixed-top, + .navbar-fixed-bottom { + border-radius: 0; + } +} +.navbar-fixed-top { + top: 0; + border-width: 0 0 1px; +} +.navbar-fixed-bottom { + bottom: 0; + margin-bottom: 0; + border-width: 1px 0 0; +} +.navbar-brand { + float: left; + height: 50px; + padding: 15px 15px; + font-size: 18px; + line-height: 20px; +} +.navbar-brand:hover, +.navbar-brand:focus { + text-decoration: none; +} +@media (min-width: 768px) { + .navbar > .container .navbar-brand, + .navbar > .container-fluid .navbar-brand { + margin-left: -15px; + } +} +.navbar-toggle { + position: relative; + float: right; + padding: 9px 10px; + margin-top: 8px; + margin-right: 15px; + margin-bottom: 8px; + background-color: transparent; + background-image: none; + border: 1px solid transparent; + border-radius: 4px; +} +.navbar-toggle:focus { + outline: 0; +} +.navbar-toggle .icon-bar { + display: block; + width: 22px; + height: 2px; + border-radius: 1px; +} +.navbar-toggle .icon-bar + .icon-bar { + margin-top: 4px; +} +@media (min-width: 768px) { + .navbar-toggle { + display: none; + } +} +.navbar-nav { + margin: 7.5px -15px; +} +.navbar-nav > li > a { + padding-top: 10px; + padding-bottom: 10px; + line-height: 20px; +} +@media (max-width: 767px) { + .navbar-nav .open .dropdown-menu { + position: static; + float: none; + width: auto; + margin-top: 0; + background-color: transparent; + border: 0; + -webkit-box-shadow: none; + box-shadow: none; + } + .navbar-nav .open .dropdown-menu > li > a, + .navbar-nav .open .dropdown-menu .dropdown-header { + padding: 5px 15px 5px 25px; + } + .navbar-nav .open .dropdown-menu > li > a { + line-height: 20px; + } + .navbar-nav .open .dropdown-menu > li > a:hover, + .navbar-nav .open .dropdown-menu > li > a:focus { + background-image: none; + } +} +@media (min-width: 768px) { + .navbar-nav { + float: left; + margin: 0; + } + .navbar-nav > li { + float: left; + } + .navbar-nav > li > a { + padding-top: 15px; + padding-bottom: 15px; + } + .navbar-nav.navbar-right:last-child { + margin-right: -15px; + } +} +@media (min-width: 768px) { + .navbar-left { + float: left !important; + } + .navbar-right { + float: right !important; + } +} +.navbar-form { + padding: 10px 15px; + margin-top: 8px; + margin-right: -15px; + margin-bottom: 8px; + margin-left: -15px; + border-top: 1px solid transparent; + border-bottom: 1px solid transparent; + -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 1px 0 rgba(255, 255, 255, .1); + box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 1px 0 rgba(255, 255, 255, .1); +} +@media (min-width: 768px) { + .navbar-form .form-group { + display: inline-block; + margin-bottom: 0; + vertical-align: middle; + } + .navbar-form .form-control { + display: inline-block; + width: auto; + vertical-align: middle; + } + .navbar-form .input-group { + display: inline-table; + vertical-align: middle; + } + .navbar-form .input-group .input-group-addon, + .navbar-form .input-group .input-group-btn, + .navbar-form .input-group .form-control { + width: auto; + } + .navbar-form .input-group > .form-control { + width: 100%; + } + .navbar-form .control-label { + margin-bottom: 0; + vertical-align: middle; + } + .navbar-form .radio, + .navbar-form .checkbox { + display: inline-block; + margin-top: 0; + margin-bottom: 0; + vertical-align: middle; + } + .navbar-form .radio label, + .navbar-form .checkbox label { + padding-left: 0; + } + .navbar-form .radio input[type="radio"], + .navbar-form .checkbox input[type="checkbox"] { + position: relative; + margin-left: 0; + } + .navbar-form .has-feedback .form-control-feedback { + top: 0; + } +} +@media (max-width: 767px) { + .navbar-form .form-group { + margin-bottom: 5px; + } +} +@media (min-width: 768px) { + .navbar-form { + width: auto; + padding-top: 0; + padding-bottom: 0; + margin-right: 0; + margin-left: 0; + border: 0; + -webkit-box-shadow: none; + box-shadow: none; + } + .navbar-form.navbar-right:last-child { + margin-right: -15px; + } +} +.navbar-nav > li > .dropdown-menu { + margin-top: 0; + border-top-left-radius: 0; + border-top-right-radius: 0; +} +.navbar-fixed-bottom .navbar-nav > li > .dropdown-menu { + border-bottom-right-radius: 0; + border-bottom-left-radius: 0; +} +.navbar-btn { + margin-top: 8px; + margin-bottom: 8px; +} +.navbar-btn.btn-sm { + margin-top: 10px; + margin-bottom: 10px; +} +.navbar-btn.btn-xs { + margin-top: 14px; + margin-bottom: 14px; +} +.navbar-text { + margin-top: 15px; + margin-bottom: 15px; +} +@media (min-width: 768px) { + .navbar-text { + float: left; + margin-right: 15px; + margin-left: 15px; + } + .navbar-text.navbar-right:last-child { + margin-right: 0; + } +} +.navbar-default { + background-color: #f8f8f8; + border-color: #e7e7e7; +} +.navbar-default .navbar-brand { + color: #777; +} +.navbar-default .navbar-brand:hover, +.navbar-default .navbar-brand:focus { + color: #5e5e5e; + background-color: transparent; +} +.navbar-default .navbar-text { + color: #777; +} +.navbar-default .navbar-nav > li > a { + color: #777; +} +.navbar-default .navbar-nav > li > a:hover, +.navbar-default .navbar-nav > li > a:focus { + color: #333; + background-color: transparent; +} +.navbar-default .navbar-nav > .active > a, +.navbar-default .navbar-nav > .active > a:hover, +.navbar-default .navbar-nav > .active > a:focus { + color: #555; + background-color: #e7e7e7; +} +.navbar-default .navbar-nav > .disabled > a, +.navbar-default .navbar-nav > .disabled > a:hover, +.navbar-default .navbar-nav > .disabled > a:focus { + color: #ccc; + background-color: transparent; +} +.navbar-default .navbar-toggle { + border-color: #ddd; +} +.navbar-default .navbar-toggle:hover, +.navbar-default .navbar-toggle:focus { + background-color: #ddd; +} +.navbar-default .navbar-toggle .icon-bar { + background-color: #888; +} +.navbar-default .navbar-collapse, +.navbar-default .navbar-form { + border-color: #e7e7e7; +} +.navbar-default .navbar-nav > .open > a, +.navbar-default .navbar-nav > .open > a:hover, +.navbar-default .navbar-nav > .open > a:focus { + color: #555; + background-color: #e7e7e7; +} +@media (max-width: 767px) { + .navbar-default .navbar-nav .open .dropdown-menu > li > a { + color: #777; + } + .navbar-default .navbar-nav .open .dropdown-menu > li > a:hover, + .navbar-default .navbar-nav .open .dropdown-menu > li > a:focus { + color: #333; + background-color: transparent; + } + .navbar-default .navbar-nav .open .dropdown-menu > .active > a, + .navbar-default .navbar-nav .open .dropdown-menu > .active > a:hover, + .navbar-default .navbar-nav .open .dropdown-menu > .active > a:focus { + color: #555; + background-color: #e7e7e7; + } + .navbar-default .navbar-nav .open .dropdown-menu > .disabled > a, + .navbar-default .navbar-nav .open .dropdown-menu > .disabled > a:hover, + .navbar-default .navbar-nav .open .dropdown-menu > .disabled > a:focus { + color: #ccc; + background-color: transparent; + } +} +.navbar-default .navbar-link { + color: #777; +} +.navbar-default .navbar-link:hover { + color: #333; +} +.navbar-default .btn-link { + color: #777; +} +.navbar-default .btn-link:hover, +.navbar-default .btn-link:focus { + color: #333; +} +.navbar-default .btn-link[disabled]:hover, +fieldset[disabled] .navbar-default .btn-link:hover, +.navbar-default .btn-link[disabled]:focus, +fieldset[disabled] .navbar-default .btn-link:focus { + color: #ccc; +} +.navbar-inverse { + background-color: #222; + border-color: #080808; +} +.navbar-inverse .navbar-brand { + color: #777; +} +.navbar-inverse .navbar-brand:hover, +.navbar-inverse .navbar-brand:focus { + color: #fff; + background-color: transparent; +} +.navbar-inverse .navbar-text { + color: #777; +} +.navbar-inverse .navbar-nav > li > a { + color: #777; +} +.navbar-inverse .navbar-nav > li > a:hover, +.navbar-inverse .navbar-nav > li > a:focus { + color: #fff; + background-color: transparent; +} +.navbar-inverse .navbar-nav > .active > a, +.navbar-inverse .navbar-nav > .active > a:hover, +.navbar-inverse .navbar-nav > .active > a:focus { + color: #fff; + background-color: #080808; +} +.navbar-inverse .navbar-nav > .disabled > a, +.navbar-inverse .navbar-nav > .disabled > a:hover, +.navbar-inverse .navbar-nav > .disabled > a:focus { + color: #444; + background-color: transparent; +} +.navbar-inverse .navbar-toggle { + border-color: #333; +} +.navbar-inverse .navbar-toggle:hover, +.navbar-inverse .navbar-toggle:focus { + background-color: #333; +} +.navbar-inverse .navbar-toggle .icon-bar { + background-color: #fff; +} +.navbar-inverse .navbar-collapse, +.navbar-inverse .navbar-form { + border-color: #101010; +} +.navbar-inverse .navbar-nav > .open > a, +.navbar-inverse .navbar-nav > .open > a:hover, +.navbar-inverse .navbar-nav > .open > a:focus { + color: #fff; + background-color: #080808; +} +@media (max-width: 767px) { + .navbar-inverse .navbar-nav .open .dropdown-menu > .dropdown-header { + border-color: #080808; + } + .navbar-inverse .navbar-nav .open .dropdown-menu .divider { + background-color: #080808; + } + .navbar-inverse .navbar-nav .open .dropdown-menu > li > a { + color: #777; + } + .navbar-inverse .navbar-nav .open .dropdown-menu > li > a:hover, + .navbar-inverse .navbar-nav .open .dropdown-menu > li > a:focus { + color: #fff; + background-color: transparent; + } + .navbar-inverse .navbar-nav .open .dropdown-menu > .active > a, + .navbar-inverse .navbar-nav .open .dropdown-menu > .active > a:hover, + .navbar-inverse .navbar-nav .open .dropdown-menu > .active > a:focus { + color: #fff; + background-color: #080808; + } + .navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a, + .navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a:hover, + .navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a:focus { + color: #444; + background-color: transparent; + } +} +.navbar-inverse .navbar-link { + color: #777; +} +.navbar-inverse .navbar-link:hover { + color: #fff; +} +.navbar-inverse .btn-link { + color: #777; +} +.navbar-inverse .btn-link:hover, +.navbar-inverse .btn-link:focus { + color: #fff; +} +.navbar-inverse .btn-link[disabled]:hover, +fieldset[disabled] .navbar-inverse .btn-link:hover, +.navbar-inverse .btn-link[disabled]:focus, +fieldset[disabled] .navbar-inverse .btn-link:focus { + color: #444; +} +.breadcrumb { + padding: 8px 15px; + margin-bottom: 20px; + list-style: none; + background-color: #f5f5f5; + border-radius: 4px; +} +.breadcrumb > li { + display: inline-block; +} +.breadcrumb > li + li:before { + padding: 0 5px; + color: #ccc; + content: "/\00a0"; +} +.breadcrumb > .active { + color: #777; +} +.pagination { + display: inline-block; + padding-left: 0; + margin: 20px 0; + border-radius: 4px; +} +.pagination > li { + display: inline; +} +.pagination > li > a, +.pagination > li > span { + position: relative; + float: left; + padding: 6px 12px; + margin-left: -1px; + line-height: 1.42857143; + color: #428bca; + text-decoration: none; + background-color: #fff; + border: 1px solid #ddd; +} +.pagination > li:first-child > a, +.pagination > li:first-child > span { + margin-left: 0; + border-top-left-radius: 4px; + border-bottom-left-radius: 4px; +} +.pagination > li:last-child > a, +.pagination > li:last-child > span { + border-top-right-radius: 4px; + border-bottom-right-radius: 4px; +} +.pagination > li > a:hover, +.pagination > li > span:hover, +.pagination > li > a:focus, +.pagination > li > span:focus { + color: #2a6496; + background-color: #eee; + border-color: #ddd; +} +.pagination > .active > a, +.pagination > .active > span, +.pagination > .active > a:hover, +.pagination > .active > span:hover, +.pagination > .active > a:focus, +.pagination > .active > span:focus { + z-index: 2; + color: #fff; + cursor: default; + background-color: #428bca; + border-color: #428bca; +} +.pagination > .disabled > span, +.pagination > .disabled > span:hover, +.pagination > .disabled > span:focus, +.pagination > .disabled > a, +.pagination > .disabled > a:hover, +.pagination > .disabled > a:focus { + color: #777; + cursor: not-allowed; + background-color: #fff; + border-color: #ddd; +} +.pagination-lg > li > a, +.pagination-lg > li > span { + padding: 10px 16px; + font-size: 18px; +} +.pagination-lg > li:first-child > a, +.pagination-lg > li:first-child > span { + border-top-left-radius: 6px; + border-bottom-left-radius: 6px; +} +.pagination-lg > li:last-child > a, +.pagination-lg > li:last-child > span { + border-top-right-radius: 6px; + border-bottom-right-radius: 6px; +} +.pagination-sm > li > a, +.pagination-sm > li > span { + padding: 5px 10px; + font-size: 12px; +} +.pagination-sm > li:first-child > a, +.pagination-sm > li:first-child > span { + border-top-left-radius: 3px; + border-bottom-left-radius: 3px; +} +.pagination-sm > li:last-child > a, +.pagination-sm > li:last-child > span { + border-top-right-radius: 3px; + border-bottom-right-radius: 3px; +} +.pager { + padding-left: 0; + margin: 20px 0; + text-align: center; + list-style: none; +} +.pager li { + display: inline; +} +.pager li > a, +.pager li > span { + display: inline-block; + padding: 5px 14px; + background-color: #fff; + border: 1px solid #ddd; + border-radius: 15px; +} +.pager li > a:hover, +.pager li > a:focus { + text-decoration: none; + background-color: #eee; +} +.pager .next > a, +.pager .next > span { + float: right; +} +.pager .previous > a, +.pager .previous > span { + float: left; +} +.pager .disabled > a, +.pager .disabled > a:hover, +.pager .disabled > a:focus, +.pager .disabled > span { + color: #777; + cursor: not-allowed; + background-color: #fff; +} +.label { + display: inline; + padding: .2em .6em .3em; + font-size: 75%; + font-weight: bold; + line-height: 1; + color: #fff; + text-align: center; + white-space: nowrap; + vertical-align: baseline; + border-radius: .25em; +} +a.label:hover, +a.label:focus { + color: #fff; + text-decoration: none; + cursor: pointer; +} +.label:empty { + display: none; +} +.btn .label { + position: relative; + top: -1px; +} +.label-default { + background-color: #777; +} +.label-default[href]:hover, +.label-default[href]:focus { + background-color: #5e5e5e; +} +.label-primary { + background-color: #428bca; +} +.label-primary[href]:hover, +.label-primary[href]:focus { + background-color: #3071a9; +} +.label-success { + background-color: #5cb85c; +} +.label-success[href]:hover, +.label-success[href]:focus { + background-color: #449d44; +} +.label-info { + background-color: #5bc0de; +} +.label-info[href]:hover, +.label-info[href]:focus { + background-color: #31b0d5; +} +.label-warning { + background-color: #f0ad4e; +} +.label-warning[href]:hover, +.label-warning[href]:focus { + background-color: #ec971f; +} +.label-danger { + background-color: #d9534f; +} +.label-danger[href]:hover, +.label-danger[href]:focus { + background-color: #c9302c; +} +.badge { + display: inline-block; + min-width: 10px; + padding: 3px 7px; + font-size: 12px; + font-weight: bold; + line-height: 1; + color: #fff; + text-align: center; + white-space: nowrap; + vertical-align: baseline; + background-color: #777; + border-radius: 10px; +} +.badge:empty { + display: none; +} +.btn .badge { + position: relative; + top: -1px; +} +.btn-xs .badge { + top: 0; + padding: 1px 5px; +} +a.badge:hover, +a.badge:focus { + color: #fff; + text-decoration: none; + cursor: pointer; +} +a.list-group-item.active > .badge, +.nav-pills > .active > a > .badge { + color: #428bca; + background-color: #fff; +} +.nav-pills > li > a > .badge { + margin-left: 3px; +} +.jumbotron { + padding: 30px; + margin-bottom: 30px; + color: inherit; + background-color: #eee; +} +.jumbotron h1, +.jumbotron .h1 { + color: inherit; +} +.jumbotron p { + margin-bottom: 15px; + font-size: 21px; + font-weight: 200; +} +.jumbotron > hr { + border-top-color: #d5d5d5; +} +.container .jumbotron { + border-radius: 6px; +} +.jumbotron .container { + max-width: 100%; +} +@media screen and (min-width: 768px) { + .jumbotron { + padding-top: 48px; + padding-bottom: 48px; + } + .container .jumbotron { + padding-right: 60px; + padding-left: 60px; + } + .jumbotron h1, + .jumbotron .h1 { + font-size: 63px; + } +} +.thumbnail { + display: block; + padding: 4px; + margin-bottom: 20px; + line-height: 1.42857143; + background-color: #fff; + border: 1px solid #ddd; + border-radius: 4px; + -webkit-transition: all .2s ease-in-out; + -o-transition: all .2s ease-in-out; + transition: all .2s ease-in-out; +} +.thumbnail > img, +.thumbnail a > img { + margin-right: auto; + margin-left: auto; +} +a.thumbnail:hover, +a.thumbnail:focus, +a.thumbnail.active { + border-color: #428bca; +} +.thumbnail .caption { + padding: 9px; + color: #333; +} +.alert { + padding: 15px; + margin-bottom: 20px; + border: 1px solid transparent; + border-radius: 4px; +} +.alert h4 { + margin-top: 0; + color: inherit; +} +.alert .alert-link { + font-weight: bold; +} +.alert > p, +.alert > ul { + margin-bottom: 0; +} +.alert > p + p { + margin-top: 5px; +} +.alert-dismissable, +.alert-dismissible { + padding-right: 35px; +} +.alert-dismissable .close, +.alert-dismissible .close { + position: relative; + top: -2px; + right: -21px; + color: inherit; +} +.alert-success { + color: #3c763d; + background-color: #dff0d8; + border-color: #d6e9c6; +} +.alert-success hr { + border-top-color: #c9e2b3; +} +.alert-success .alert-link { + color: #2b542c; +} +.alert-info { + color: #31708f; + background-color: #d9edf7; + border-color: #bce8f1; +} +.alert-info hr { + border-top-color: #a6e1ec; +} +.alert-info .alert-link { + color: #245269; +} +.alert-warning { + color: #8a6d3b; + background-color: #fcf8e3; + border-color: #faebcc; +} +.alert-warning hr { + border-top-color: #f7e1b5; +} +.alert-warning .alert-link { + color: #66512c; +} +.alert-danger { + color: #a94442; + background-color: #f2dede; + border-color: #ebccd1; +} +.alert-danger hr { + border-top-color: #e4b9c0; +} +.alert-danger .alert-link { + color: #843534; +} +@-webkit-keyframes progress-bar-stripes { + from { + background-position: 40px 0; + } + to { + background-position: 0 0; + } +} +@-o-keyframes progress-bar-stripes { + from { + background-position: 40px 0; + } + to { + background-position: 0 0; + } +} +@keyframes progress-bar-stripes { + from { + background-position: 40px 0; + } + to { + background-position: 0 0; + } +} +.progress { + height: 20px; + margin-bottom: 20px; + overflow: hidden; + background-color: #f5f5f5; + border-radius: 4px; + -webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, .1); + box-shadow: inset 0 1px 2px rgba(0, 0, 0, .1); +} +.progress-bar { + float: left; + width: 0; + height: 100%; + font-size: 12px; + line-height: 20px; + color: #fff; + text-align: center; + background-color: #428bca; + -webkit-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .15); + box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .15); + -webkit-transition: width .6s ease; + -o-transition: width .6s ease; + transition: width .6s ease; +} +.progress-striped .progress-bar, +.progress-bar-striped { + background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + -webkit-background-size: 40px 40px; + background-size: 40px 40px; +} +.progress.active .progress-bar, +.progress-bar.active { + -webkit-animation: progress-bar-stripes 2s linear infinite; + -o-animation: progress-bar-stripes 2s linear infinite; + animation: progress-bar-stripes 2s linear infinite; +} +.progress-bar[aria-valuenow="1"], +.progress-bar[aria-valuenow="2"] { + min-width: 30px; +} +.progress-bar[aria-valuenow="0"] { + min-width: 30px; + color: #777; + background-color: transparent; + background-image: none; + -webkit-box-shadow: none; + box-shadow: none; +} +.progress-bar-success { + background-color: #5cb85c; +} +.progress-striped .progress-bar-success { + background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); +} +.progress-bar-info { + background-color: #5bc0de; +} +.progress-striped .progress-bar-info { + background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); +} +.progress-bar-warning { + background-color: #f0ad4e; +} +.progress-striped .progress-bar-warning { + background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); +} +.progress-bar-danger { + background-color: #d9534f; +} +.progress-striped .progress-bar-danger { + background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); + background-image: linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); +} +.media, +.media-body { + overflow: hidden; + zoom: 1; +} +.media, +.media .media { + margin-top: 15px; +} +.media:first-child { + margin-top: 0; +} +.media-object { + display: block; +} +.media-heading { + margin: 0 0 5px; +} +.media > .pull-left { + margin-right: 10px; +} +.media > .pull-right { + margin-left: 10px; +} +.media-list { + padding-left: 0; + list-style: none; +} +.list-group { + padding-left: 0; + margin-bottom: 20px; +} +.list-group-item { + position: relative; + display: block; + padding: 10px 15px; + margin-bottom: -1px; + background-color: #fff; + border: 1px solid #ddd; +} +.list-group-item:first-child { + border-top-left-radius: 4px; + border-top-right-radius: 4px; +} +.list-group-item:last-child { + margin-bottom: 0; + border-bottom-right-radius: 4px; + border-bottom-left-radius: 4px; +} +.list-group-item > .badge { + float: right; +} +.list-group-item > .badge + .badge { + margin-right: 5px; +} +a.list-group-item { + color: #555; +} +a.list-group-item .list-group-item-heading { + color: #333; +} +a.list-group-item:hover, +a.list-group-item:focus { + color: #555; + text-decoration: none; + background-color: #f5f5f5; +} +.list-group-item.disabled, +.list-group-item.disabled:hover, +.list-group-item.disabled:focus { + color: #777; + background-color: #eee; +} +.list-group-item.disabled .list-group-item-heading, +.list-group-item.disabled:hover .list-group-item-heading, +.list-group-item.disabled:focus .list-group-item-heading { + color: inherit; +} +.list-group-item.disabled .list-group-item-text, +.list-group-item.disabled:hover .list-group-item-text, +.list-group-item.disabled:focus .list-group-item-text { + color: #777; +} +.list-group-item.active, +.list-group-item.active:hover, +.list-group-item.active:focus { + z-index: 2; + color: #fff; + background-color: #428bca; + border-color: #428bca; +} +.list-group-item.active .list-group-item-heading, +.list-group-item.active:hover .list-group-item-heading, +.list-group-item.active:focus .list-group-item-heading, +.list-group-item.active .list-group-item-heading > small, +.list-group-item.active:hover .list-group-item-heading > small, +.list-group-item.active:focus .list-group-item-heading > small, +.list-group-item.active .list-group-item-heading > .small, +.list-group-item.active:hover .list-group-item-heading > .small, +.list-group-item.active:focus .list-group-item-heading > .small { + color: inherit; +} +.list-group-item.active .list-group-item-text, +.list-group-item.active:hover .list-group-item-text, +.list-group-item.active:focus .list-group-item-text { + color: #e1edf7; +} +.list-group-item-success { + color: #3c763d; + background-color: #dff0d8; +} +a.list-group-item-success { + color: #3c763d; +} +a.list-group-item-success .list-group-item-heading { + color: inherit; +} +a.list-group-item-success:hover, +a.list-group-item-success:focus { + color: #3c763d; + background-color: #d0e9c6; +} +a.list-group-item-success.active, +a.list-group-item-success.active:hover, +a.list-group-item-success.active:focus { + color: #fff; + background-color: #3c763d; + border-color: #3c763d; +} +.list-group-item-info { + color: #31708f; + background-color: #d9edf7; +} +a.list-group-item-info { + color: #31708f; +} +a.list-group-item-info .list-group-item-heading { + color: inherit; +} +a.list-group-item-info:hover, +a.list-group-item-info:focus { + color: #31708f; + background-color: #c4e3f3; +} +a.list-group-item-info.active, +a.list-group-item-info.active:hover, +a.list-group-item-info.active:focus { + color: #fff; + background-color: #31708f; + border-color: #31708f; +} +.list-group-item-warning { + color: #8a6d3b; + background-color: #fcf8e3; +} +a.list-group-item-warning { + color: #8a6d3b; +} +a.list-group-item-warning .list-group-item-heading { + color: inherit; +} +a.list-group-item-warning:hover, +a.list-group-item-warning:focus { + color: #8a6d3b; + background-color: #faf2cc; +} +a.list-group-item-warning.active, +a.list-group-item-warning.active:hover, +a.list-group-item-warning.active:focus { + color: #fff; + background-color: #8a6d3b; + border-color: #8a6d3b; +} +.list-group-item-danger { + color: #a94442; + background-color: #f2dede; +} +a.list-group-item-danger { + color: #a94442; +} +a.list-group-item-danger .list-group-item-heading { + color: inherit; +} +a.list-group-item-danger:hover, +a.list-group-item-danger:focus { + color: #a94442; + background-color: #ebcccc; +} +a.list-group-item-danger.active, +a.list-group-item-danger.active:hover, +a.list-group-item-danger.active:focus { + color: #fff; + background-color: #a94442; + border-color: #a94442; +} +.list-group-item-heading { + margin-top: 0; + margin-bottom: 5px; +} +.list-group-item-text { + margin-bottom: 0; + line-height: 1.3; +} +.panel { + margin-bottom: 20px; + background-color: #fff; + border: 1px solid transparent; + border-radius: 4px; + -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, .05); + box-shadow: 0 1px 1px rgba(0, 0, 0, .05); +} +.panel-body { + padding: 15px; +} +.panel-heading { + padding: 10px 15px; + border-bottom: 1px solid transparent; + border-top-left-radius: 3px; + border-top-right-radius: 3px; +} +.panel-heading > .dropdown .dropdown-toggle { + color: inherit; +} +.panel-title { + margin-top: 0; + margin-bottom: 0; + font-size: 16px; + color: inherit; +} +.panel-title > a { + color: inherit; +} +.panel-footer { + padding: 10px 15px; + background-color: #f5f5f5; + border-top: 1px solid #ddd; + border-bottom-right-radius: 3px; + border-bottom-left-radius: 3px; +} +.panel > .list-group { + margin-bottom: 0; +} +.panel > .list-group .list-group-item { + border-width: 1px 0; + border-radius: 0; +} +.panel > .list-group:first-child .list-group-item:first-child { + border-top: 0; + border-top-left-radius: 3px; + border-top-right-radius: 3px; +} +.panel > .list-group:last-child .list-group-item:last-child { + border-bottom: 0; + border-bottom-right-radius: 3px; + border-bottom-left-radius: 3px; +} +.panel-heading + .list-group .list-group-item:first-child { + border-top-width: 0; +} +.list-group + .panel-footer { + border-top-width: 0; +} +.panel > .table, +.panel > .table-responsive > .table, +.panel > .panel-collapse > .table { + margin-bottom: 0; +} +.panel > .table:first-child, +.panel > .table-responsive:first-child > .table:first-child { + border-top-left-radius: 3px; + border-top-right-radius: 3px; +} +.panel > .table:first-child > thead:first-child > tr:first-child td:first-child, +.panel > .table-responsive:first-child > .table:first-child > thead:first-child > tr:first-child td:first-child, +.panel > .table:first-child > tbody:first-child > tr:first-child td:first-child, +.panel > .table-responsive:first-child > .table:first-child > tbody:first-child > tr:first-child td:first-child, +.panel > .table:first-child > thead:first-child > tr:first-child th:first-child, +.panel > .table-responsive:first-child > .table:first-child > thead:first-child > tr:first-child th:first-child, +.panel > .table:first-child > tbody:first-child > tr:first-child th:first-child, +.panel > .table-responsive:first-child > .table:first-child > tbody:first-child > tr:first-child th:first-child { + border-top-left-radius: 3px; +} +.panel > .table:first-child > thead:first-child > tr:first-child td:last-child, +.panel > .table-responsive:first-child > .table:first-child > thead:first-child > tr:first-child td:last-child, +.panel > .table:first-child > tbody:first-child > tr:first-child td:last-child, +.panel > .table-responsive:first-child > .table:first-child > tbody:first-child > tr:first-child td:last-child, +.panel > .table:first-child > thead:first-child > tr:first-child th:last-child, +.panel > .table-responsive:first-child > .table:first-child > thead:first-child > tr:first-child th:last-child, +.panel > .table:first-child > tbody:first-child > tr:first-child th:last-child, +.panel > .table-responsive:first-child > .table:first-child > tbody:first-child > tr:first-child th:last-child { + border-top-right-radius: 3px; +} +.panel > .table:last-child, +.panel > .table-responsive:last-child > .table:last-child { + border-bottom-right-radius: 3px; + border-bottom-left-radius: 3px; +} +.panel > .table:last-child > tbody:last-child > tr:last-child td:first-child, +.panel > .table-responsive:last-child > .table:last-child > tbody:last-child > tr:last-child td:first-child, +.panel > .table:last-child > tfoot:last-child > tr:last-child td:first-child, +.panel > .table-responsive:last-child > .table:last-child > tfoot:last-child > tr:last-child td:first-child, +.panel > .table:last-child > tbody:last-child > tr:last-child th:first-child, +.panel > .table-responsive:last-child > .table:last-child > tbody:last-child > tr:last-child th:first-child, +.panel > .table:last-child > tfoot:last-child > tr:last-child th:first-child, +.panel > .table-responsive:last-child > .table:last-child > tfoot:last-child > tr:last-child th:first-child { + border-bottom-left-radius: 3px; +} +.panel > .table:last-child > tbody:last-child > tr:last-child td:last-child, +.panel > .table-responsive:last-child > .table:last-child > tbody:last-child > tr:last-child td:last-child, +.panel > .table:last-child > tfoot:last-child > tr:last-child td:last-child, +.panel > .table-responsive:last-child > .table:last-child > tfoot:last-child > tr:last-child td:last-child, +.panel > .table:last-child > tbody:last-child > tr:last-child th:last-child, +.panel > .table-responsive:last-child > .table:last-child > tbody:last-child > tr:last-child th:last-child, +.panel > .table:last-child > tfoot:last-child > tr:last-child th:last-child, +.panel > .table-responsive:last-child > .table:last-child > tfoot:last-child > tr:last-child th:last-child { + border-bottom-right-radius: 3px; +} +.panel > .panel-body + .table, +.panel > .panel-body + .table-responsive { + border-top: 1px solid #ddd; +} +.panel > .table > tbody:first-child > tr:first-child th, +.panel > .table > tbody:first-child > tr:first-child td { + border-top: 0; +} +.panel > .table-bordered, +.panel > .table-responsive > .table-bordered { + border: 0; +} +.panel > .table-bordered > thead > tr > th:first-child, +.panel > .table-responsive > .table-bordered > thead > tr > th:first-child, +.panel > .table-bordered > tbody > tr > th:first-child, +.panel > .table-responsive > .table-bordered > tbody > tr > th:first-child, +.panel > .table-bordered > tfoot > tr > th:first-child, +.panel > .table-responsive > .table-bordered > tfoot > tr > th:first-child, +.panel > .table-bordered > thead > tr > td:first-child, +.panel > .table-responsive > .table-bordered > thead > tr > td:first-child, +.panel > .table-bordered > tbody > tr > td:first-child, +.panel > .table-responsive > .table-bordered > tbody > tr > td:first-child, +.panel > .table-bordered > tfoot > tr > td:first-child, +.panel > .table-responsive > .table-bordered > tfoot > tr > td:first-child { + border-left: 0; +} +.panel > .table-bordered > thead > tr > th:last-child, +.panel > .table-responsive > .table-bordered > thead > tr > th:last-child, +.panel > .table-bordered > tbody > tr > th:last-child, +.panel > .table-responsive > .table-bordered > tbody > tr > th:last-child, +.panel > .table-bordered > tfoot > tr > th:last-child, +.panel > .table-responsive > .table-bordered > tfoot > tr > th:last-child, +.panel > .table-bordered > thead > tr > td:last-child, +.panel > .table-responsive > .table-bordered > thead > tr > td:last-child, +.panel > .table-bordered > tbody > tr > td:last-child, +.panel > .table-responsive > .table-bordered > tbody > tr > td:last-child, +.panel > .table-bordered > tfoot > tr > td:last-child, +.panel > .table-responsive > .table-bordered > tfoot > tr > td:last-child { + border-right: 0; +} +.panel > .table-bordered > thead > tr:first-child > td, +.panel > .table-responsive > .table-bordered > thead > tr:first-child > td, +.panel > .table-bordered > tbody > tr:first-child > td, +.panel > .table-responsive > .table-bordered > tbody > tr:first-child > td, +.panel > .table-bordered > thead > tr:first-child > th, +.panel > .table-responsive > .table-bordered > thead > tr:first-child > th, +.panel > .table-bordered > tbody > tr:first-child > th, +.panel > .table-responsive > .table-bordered > tbody > tr:first-child > th { + border-bottom: 0; +} +.panel > .table-bordered > tbody > tr:last-child > td, +.panel > .table-responsive > .table-bordered > tbody > tr:last-child > td, +.panel > .table-bordered > tfoot > tr:last-child > td, +.panel > .table-responsive > .table-bordered > tfoot > tr:last-child > td, +.panel > .table-bordered > tbody > tr:last-child > th, +.panel > .table-responsive > .table-bordered > tbody > tr:last-child > th, +.panel > .table-bordered > tfoot > tr:last-child > th, +.panel > .table-responsive > .table-bordered > tfoot > tr:last-child > th { + border-bottom: 0; +} +.panel > .table-responsive { + margin-bottom: 0; + border: 0; +} +.panel-group { + margin-bottom: 20px; +} +.panel-group .panel { + margin-bottom: 0; + border-radius: 4px; +} +.panel-group .panel + .panel { + margin-top: 5px; +} +.panel-group .panel-heading { + border-bottom: 0; +} +.panel-group .panel-heading + .panel-collapse > .panel-body { + border-top: 1px solid #ddd; +} +.panel-group .panel-footer { + border-top: 0; +} +.panel-group .panel-footer + .panel-collapse .panel-body { + border-bottom: 1px solid #ddd; +} +.panel-default { + border-color: #ddd; +} +.panel-default > .panel-heading { + color: #333; + background-color: #f5f5f5; + border-color: #ddd; +} +.panel-default > .panel-heading + .panel-collapse > .panel-body { + border-top-color: #ddd; +} +.panel-default > .panel-heading .badge { + color: #f5f5f5; + background-color: #333; +} +.panel-default > .panel-footer + .panel-collapse > .panel-body { + border-bottom-color: #ddd; +} +.panel-primary { + border-color: #428bca; +} +.panel-primary > .panel-heading { + color: #fff; + background-color: #428bca; + border-color: #428bca; +} +.panel-primary > .panel-heading + .panel-collapse > .panel-body { + border-top-color: #428bca; +} +.panel-primary > .panel-heading .badge { + color: #428bca; + background-color: #fff; +} +.panel-primary > .panel-footer + .panel-collapse > .panel-body { + border-bottom-color: #428bca; +} +.panel-success { + border-color: #d6e9c6; +} +.panel-success > .panel-heading { + color: #3c763d; + background-color: #dff0d8; + border-color: #d6e9c6; +} +.panel-success > .panel-heading + .panel-collapse > .panel-body { + border-top-color: #d6e9c6; +} +.panel-success > .panel-heading .badge { + color: #dff0d8; + background-color: #3c763d; +} +.panel-success > .panel-footer + .panel-collapse > .panel-body { + border-bottom-color: #d6e9c6; +} +.panel-info { + border-color: #bce8f1; +} +.panel-info > .panel-heading { + color: #31708f; + background-color: #d9edf7; + border-color: #bce8f1; +} +.panel-info > .panel-heading + .panel-collapse > .panel-body { + border-top-color: #bce8f1; +} +.panel-info > .panel-heading .badge { + color: #d9edf7; + background-color: #31708f; +} +.panel-info > .panel-footer + .panel-collapse > .panel-body { + border-bottom-color: #bce8f1; +} +.panel-warning { + border-color: #faebcc; +} +.panel-warning > .panel-heading { + color: #8a6d3b; + background-color: #fcf8e3; + border-color: #faebcc; +} +.panel-warning > .panel-heading + .panel-collapse > .panel-body { + border-top-color: #faebcc; +} +.panel-warning > .panel-heading .badge { + color: #fcf8e3; + background-color: #8a6d3b; +} +.panel-warning > .panel-footer + .panel-collapse > .panel-body { + border-bottom-color: #faebcc; +} +.panel-danger { + border-color: #ebccd1; +} +.panel-danger > .panel-heading { + color: #a94442; + background-color: #f2dede; + border-color: #ebccd1; +} +.panel-danger > .panel-heading + .panel-collapse > .panel-body { + border-top-color: #ebccd1; +} +.panel-danger > .panel-heading .badge { + color: #f2dede; + background-color: #a94442; +} +.panel-danger > .panel-footer + .panel-collapse > .panel-body { + border-bottom-color: #ebccd1; +} +.embed-responsive { + position: relative; + display: block; + height: 0; + padding: 0; + overflow: hidden; +} +.embed-responsive .embed-responsive-item, +.embed-responsive iframe, +.embed-responsive embed, +.embed-responsive object { + position: absolute; + top: 0; + bottom: 0; + left: 0; + width: 100%; + height: 100%; + border: 0; +} +.embed-responsive.embed-responsive-16by9 { + padding-bottom: 56.25%; +} +.embed-responsive.embed-responsive-4by3 { + padding-bottom: 75%; +} +.well { + min-height: 20px; + padding: 19px; + margin-bottom: 20px; + background-color: #f5f5f5; + border: 1px solid #e3e3e3; + border-radius: 4px; + -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .05); + box-shadow: inset 0 1px 1px rgba(0, 0, 0, .05); +} +.well blockquote { + border-color: #ddd; + border-color: rgba(0, 0, 0, .15); +} +.well-lg { + padding: 24px; + border-radius: 6px; +} +.well-sm { + padding: 9px; + border-radius: 3px; +} +.close { + float: right; + font-size: 21px; + font-weight: bold; + line-height: 1; + color: #000; + text-shadow: 0 1px 0 #fff; + filter: alpha(opacity=20); + opacity: .2; +} +.close:hover, +.close:focus { + color: #000; + text-decoration: none; + cursor: pointer; + filter: alpha(opacity=50); + opacity: .5; +} +button.close { + -webkit-appearance: none; + padding: 0; + cursor: pointer; + background: transparent; + border: 0; +} +.modal-open { + overflow: hidden; +} +.modal { + position: fixed; + top: 0; + right: 0; + bottom: 0; + left: 0; + z-index: 1050; + display: none; + overflow: hidden; + -webkit-overflow-scrolling: touch; + outline: 0; +} +.modal.fade .modal-dialog { + -webkit-transition: -webkit-transform .3s ease-out; + -o-transition: -o-transform .3s ease-out; + transition: transform .3s ease-out; + -webkit-transform: translate3d(0, -25%, 0); + -o-transform: translate3d(0, -25%, 0); + transform: translate3d(0, -25%, 0); +} +.modal.in .modal-dialog { + -webkit-transform: translate3d(0, 0, 0); + -o-transform: translate3d(0, 0, 0); + transform: translate3d(0, 0, 0); +} +.modal-open .modal { + overflow-x: hidden; + overflow-y: auto; +} +.modal-dialog { + position: relative; + width: auto; + margin: 10px; +} +.modal-content { + position: relative; + background-color: #fff; + -webkit-background-clip: padding-box; + background-clip: padding-box; + border: 1px solid #999; + border: 1px solid rgba(0, 0, 0, .2); + border-radius: 6px; + outline: 0; + -webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, .5); + box-shadow: 0 3px 9px rgba(0, 0, 0, .5); +} +.modal-backdrop { + position: fixed; + top: 0; + right: 0; + bottom: 0; + left: 0; + z-index: 1040; + background-color: #000; +} +.modal-backdrop.fade { + filter: alpha(opacity=0); + opacity: 0; +} +.modal-backdrop.in { + filter: alpha(opacity=50); + opacity: .5; +} +.modal-header { + min-height: 16.42857143px; + padding: 15px; + border-bottom: 1px solid #e5e5e5; +} +.modal-header .close { + margin-top: -2px; +} +.modal-title { + margin: 0; + line-height: 1.42857143; +} +.modal-body { + position: relative; + padding: 15px; +} +.modal-footer { + padding: 15px; + text-align: right; + border-top: 1px solid #e5e5e5; +} +.modal-footer .btn + .btn { + margin-bottom: 0; + margin-left: 5px; +} +.modal-footer .btn-group .btn + .btn { + margin-left: -1px; +} +.modal-footer .btn-block + .btn-block { + margin-left: 0; +} +.modal-scrollbar-measure { + position: absolute; + top: -9999px; + width: 50px; + height: 50px; + overflow: scroll; +} +@media (min-width: 768px) { + .modal-dialog { + width: 600px; + margin: 30px auto; + } + .modal-content { + -webkit-box-shadow: 0 5px 15px rgba(0, 0, 0, .5); + box-shadow: 0 5px 15px rgba(0, 0, 0, .5); + } + .modal-sm { + width: 300px; + } +} +@media (min-width: 992px) { + .modal-lg { + width: 900px; + } +} +.tooltip { + position: absolute; + z-index: 1070; + display: block; + font-size: 12px; + line-height: 1.4; + visibility: visible; + filter: alpha(opacity=0); + opacity: 0; +} +.tooltip.in { + filter: alpha(opacity=90); + opacity: .9; +} +.tooltip.top { + padding: 5px 0; + margin-top: -3px; +} +.tooltip.right { + padding: 0 5px; + margin-left: 3px; +} +.tooltip.bottom { + padding: 5px 0; + margin-top: 3px; +} +.tooltip.left { + padding: 0 5px; + margin-left: -3px; +} +.tooltip-inner { + max-width: 200px; + padding: 3px 8px; + color: #fff; + text-align: center; + text-decoration: none; + background-color: #000; + border-radius: 4px; +} +.tooltip-arrow { + position: absolute; + width: 0; + height: 0; + border-color: transparent; + border-style: solid; +} +.tooltip.top .tooltip-arrow { + bottom: 0; + left: 50%; + margin-left: -5px; + border-width: 5px 5px 0; + border-top-color: #000; +} +.tooltip.top-left .tooltip-arrow { + bottom: 0; + left: 5px; + border-width: 5px 5px 0; + border-top-color: #000; +} +.tooltip.top-right .tooltip-arrow { + right: 5px; + bottom: 0; + border-width: 5px 5px 0; + border-top-color: #000; +} +.tooltip.right .tooltip-arrow { + top: 50%; + left: 0; + margin-top: -5px; + border-width: 5px 5px 5px 0; + border-right-color: #000; +} +.tooltip.left .tooltip-arrow { + top: 50%; + right: 0; + margin-top: -5px; + border-width: 5px 0 5px 5px; + border-left-color: #000; +} +.tooltip.bottom .tooltip-arrow { + top: 0; + left: 50%; + margin-left: -5px; + border-width: 0 5px 5px; + border-bottom-color: #000; +} +.tooltip.bottom-left .tooltip-arrow { + top: 0; + left: 5px; + border-width: 0 5px 5px; + border-bottom-color: #000; +} +.tooltip.bottom-right .tooltip-arrow { + top: 0; + right: 5px; + border-width: 0 5px 5px; + border-bottom-color: #000; +} +.popover { + position: absolute; + top: 0; + left: 0; + z-index: 1060; + display: none; + max-width: 276px; + padding: 1px; + text-align: left; + white-space: normal; + background-color: #fff; + -webkit-background-clip: padding-box; + background-clip: padding-box; + border: 1px solid #ccc; + border: 1px solid rgba(0, 0, 0, .2); + border-radius: 6px; + -webkit-box-shadow: 0 5px 10px rgba(0, 0, 0, .2); + box-shadow: 0 5px 10px rgba(0, 0, 0, .2); +} +.popover.top { + margin-top: -10px; +} +.popover.right { + margin-left: 10px; +} +.popover.bottom { + margin-top: 10px; +} +.popover.left { + margin-left: -10px; +} +.popover-title { + padding: 8px 14px; + margin: 0; + font-size: 14px; + font-weight: normal; + line-height: 18px; + background-color: #f7f7f7; + border-bottom: 1px solid #ebebeb; + border-radius: 5px 5px 0 0; +} +.popover-content { + padding: 9px 14px; +} +.popover > .arrow, +.popover > .arrow:after { + position: absolute; + display: block; + width: 0; + height: 0; + border-color: transparent; + border-style: solid; +} +.popover > .arrow { + border-width: 11px; +} +.popover > .arrow:after { + content: ""; + border-width: 10px; +} +.popover.top > .arrow { + bottom: -11px; + left: 50%; + margin-left: -11px; + border-top-color: #999; + border-top-color: rgba(0, 0, 0, .25); + border-bottom-width: 0; +} +.popover.top > .arrow:after { + bottom: 1px; + margin-left: -10px; + content: " "; + border-top-color: #fff; + border-bottom-width: 0; +} +.popover.right > .arrow { + top: 50%; + left: -11px; + margin-top: -11px; + border-right-color: #999; + border-right-color: rgba(0, 0, 0, .25); + border-left-width: 0; +} +.popover.right > .arrow:after { + bottom: -10px; + left: 1px; + content: " "; + border-right-color: #fff; + border-left-width: 0; +} +.popover.bottom > .arrow { + top: -11px; + left: 50%; + margin-left: -11px; + border-top-width: 0; + border-bottom-color: #999; + border-bottom-color: rgba(0, 0, 0, .25); +} +.popover.bottom > .arrow:after { + top: 1px; + margin-left: -10px; + content: " "; + border-top-width: 0; + border-bottom-color: #fff; +} +.popover.left > .arrow { + top: 50%; + right: -11px; + margin-top: -11px; + border-right-width: 0; + border-left-color: #999; + border-left-color: rgba(0, 0, 0, .25); +} +.popover.left > .arrow:after { + right: 1px; + bottom: -10px; + content: " "; + border-right-width: 0; + border-left-color: #fff; +} +.carousel { + position: relative; +} +.carousel-inner { + position: relative; + width: 100%; + overflow: hidden; +} +.carousel-inner > .item { + position: relative; + display: none; + -webkit-transition: .6s ease-in-out left; + -o-transition: .6s ease-in-out left; + transition: .6s ease-in-out left; +} +.carousel-inner > .item > img, +.carousel-inner > .item > a > img { + line-height: 1; +} +.carousel-inner > .active, +.carousel-inner > .next, +.carousel-inner > .prev { + display: block; +} +.carousel-inner > .active { + left: 0; +} +.carousel-inner > .next, +.carousel-inner > .prev { + position: absolute; + top: 0; + width: 100%; +} +.carousel-inner > .next { + left: 100%; +} +.carousel-inner > .prev { + left: -100%; +} +.carousel-inner > .next.left, +.carousel-inner > .prev.right { + left: 0; +} +.carousel-inner > .active.left { + left: -100%; +} +.carousel-inner > .active.right { + left: 100%; +} +.carousel-control { + position: absolute; + top: 0; + bottom: 0; + left: 0; + width: 15%; + font-size: 20px; + color: #fff; + text-align: center; + text-shadow: 0 1px 2px rgba(0, 0, 0, .6); + filter: alpha(opacity=50); + opacity: .5; +} +.carousel-control.left { + background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, .5) 0%, rgba(0, 0, 0, .0001) 100%); + background-image: -o-linear-gradient(left, rgba(0, 0, 0, .5) 0%, rgba(0, 0, 0, .0001) 100%); + background-image: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, .5)), to(rgba(0, 0, 0, .0001))); + background-image: linear-gradient(to right, rgba(0, 0, 0, .5) 0%, rgba(0, 0, 0, .0001) 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#80000000', endColorstr='#00000000', GradientType=1); + background-repeat: repeat-x; +} +.carousel-control.right { + right: 0; + left: auto; + background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, .0001) 0%, rgba(0, 0, 0, .5) 100%); + background-image: -o-linear-gradient(left, rgba(0, 0, 0, .0001) 0%, rgba(0, 0, 0, .5) 100%); + background-image: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, .0001)), to(rgba(0, 0, 0, .5))); + background-image: linear-gradient(to right, rgba(0, 0, 0, .0001) 0%, rgba(0, 0, 0, .5) 100%); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00000000', endColorstr='#80000000', GradientType=1); + background-repeat: repeat-x; +} +.carousel-control:hover, +.carousel-control:focus { + color: #fff; + text-decoration: none; + filter: alpha(opacity=90); + outline: 0; + opacity: .9; +} +.carousel-control .icon-prev, +.carousel-control .icon-next, +.carousel-control .glyphicon-chevron-left, +.carousel-control .glyphicon-chevron-right { + position: absolute; + top: 50%; + z-index: 5; + display: inline-block; +} +.carousel-control .icon-prev, +.carousel-control .glyphicon-chevron-left { + left: 50%; + margin-left: -10px; +} +.carousel-control .icon-next, +.carousel-control .glyphicon-chevron-right { + right: 50%; + margin-right: -10px; +} +.carousel-control .icon-prev, +.carousel-control .icon-next { + width: 20px; + height: 20px; + margin-top: -10px; + font-family: serif; +} +.carousel-control .icon-prev:before { + content: '\2039'; +} +.carousel-control .icon-next:before { + content: '\203a'; +} +.carousel-indicators { + position: absolute; + bottom: 10px; + left: 50%; + z-index: 15; + width: 60%; + padding-left: 0; + margin-left: -30%; + text-align: center; + list-style: none; +} +.carousel-indicators li { + display: inline-block; + width: 10px; + height: 10px; + margin: 1px; + text-indent: -999px; + cursor: pointer; + background-color: #000 \9; + background-color: rgba(0, 0, 0, 0); + border: 1px solid #fff; + border-radius: 10px; +} +.carousel-indicators .active { + width: 12px; + height: 12px; + margin: 0; + background-color: #fff; +} +.carousel-caption { + position: absolute; + right: 15%; + bottom: 20px; + left: 15%; + z-index: 10; + padding-top: 20px; + padding-bottom: 20px; + color: #fff; + text-align: center; + text-shadow: 0 1px 2px rgba(0, 0, 0, .6); +} +.carousel-caption .btn { + text-shadow: none; +} +@media screen and (min-width: 768px) { + .carousel-control .glyphicon-chevron-left, + .carousel-control .glyphicon-chevron-right, + .carousel-control .icon-prev, + .carousel-control .icon-next { + width: 30px; + height: 30px; + margin-top: -15px; + font-size: 30px; + } + .carousel-control .glyphicon-chevron-left, + .carousel-control .icon-prev { + margin-left: -15px; + } + .carousel-control .glyphicon-chevron-right, + .carousel-control .icon-next { + margin-right: -15px; + } + .carousel-caption { + right: 20%; + left: 20%; + padding-bottom: 30px; + } + .carousel-indicators { + bottom: 20px; + } +} +.clearfix:before, +.clearfix:after, +.dl-horizontal dd:before, +.dl-horizontal dd:after, +.container:before, +.container:after, +.container-fluid:before, +.container-fluid:after, +.row:before, +.row:after, +.form-horizontal .form-group:before, +.form-horizontal .form-group:after, +.btn-toolbar:before, +.btn-toolbar:after, +.btn-group-vertical > .btn-group:before, +.btn-group-vertical > .btn-group:after, +.nav:before, +.nav:after, +.navbar:before, +.navbar:after, +.navbar-header:before, +.navbar-header:after, +.navbar-collapse:before, +.navbar-collapse:after, +.pager:before, +.pager:after, +.panel-body:before, +.panel-body:after, +.modal-footer:before, +.modal-footer:after { + display: table; + content: " "; +} +.clearfix:after, +.dl-horizontal dd:after, +.container:after, +.container-fluid:after, +.row:after, +.form-horizontal .form-group:after, +.btn-toolbar:after, +.btn-group-vertical > .btn-group:after, +.nav:after, +.navbar:after, +.navbar-header:after, +.navbar-collapse:after, +.pager:after, +.panel-body:after, +.modal-footer:after { + clear: both; +} +.center-block { + display: block; + margin-right: auto; + margin-left: auto; +} +.pull-right { + float: right !important; +} +.pull-left { + float: left !important; +} +.hide { + display: none !important; +} +.show { + display: block !important; +} +.invisible { + visibility: hidden; +} +.text-hide { + font: 0/0 a; + color: transparent; + text-shadow: none; + background-color: transparent; + border: 0; +} +.hidden { + display: none !important; + visibility: hidden !important; +} +.affix { + position: fixed; + -webkit-transform: translate3d(0, 0, 0); + -o-transform: translate3d(0, 0, 0); + transform: translate3d(0, 0, 0); +} +@-ms-viewport { + width: device-width; +} +.visible-xs, +.visible-sm, +.visible-md, +.visible-lg { + display: none !important; +} +.visible-xs-block, +.visible-xs-inline, +.visible-xs-inline-block, +.visible-sm-block, +.visible-sm-inline, +.visible-sm-inline-block, +.visible-md-block, +.visible-md-inline, +.visible-md-inline-block, +.visible-lg-block, +.visible-lg-inline, +.visible-lg-inline-block { + display: none !important; +} +@media (max-width: 767px) { + .visible-xs { + display: block !important; + } + table.visible-xs { + display: table; + } + tr.visible-xs { + display: table-row !important; + } + th.visible-xs, + td.visible-xs { + display: table-cell !important; + } +} +@media (max-width: 767px) { + .visible-xs-block { + display: block !important; + } +} +@media (max-width: 767px) { + .visible-xs-inline { + display: inline !important; + } +} +@media (max-width: 767px) { + .visible-xs-inline-block { + display: inline-block !important; + } +} +@media (min-width: 768px) and (max-width: 991px) { + .visible-sm { + display: block !important; + } + table.visible-sm { + display: table; + } + tr.visible-sm { + display: table-row !important; + } + th.visible-sm, + td.visible-sm { + display: table-cell !important; + } +} +@media (min-width: 768px) and (max-width: 991px) { + .visible-sm-block { + display: block !important; + } +} +@media (min-width: 768px) and (max-width: 991px) { + .visible-sm-inline { + display: inline !important; + } +} +@media (min-width: 768px) and (max-width: 991px) { + .visible-sm-inline-block { + display: inline-block !important; + } +} +@media (min-width: 992px) and (max-width: 1199px) { + .visible-md { + display: block !important; + } + table.visible-md { + display: table; + } + tr.visible-md { + display: table-row !important; + } + th.visible-md, + td.visible-md { + display: table-cell !important; + } +} +@media (min-width: 992px) and (max-width: 1199px) { + .visible-md-block { + display: block !important; + } +} +@media (min-width: 992px) and (max-width: 1199px) { + .visible-md-inline { + display: inline !important; + } +} +@media (min-width: 992px) and (max-width: 1199px) { + .visible-md-inline-block { + display: inline-block !important; + } +} +@media (min-width: 1200px) { + .visible-lg { + display: block !important; + } + table.visible-lg { + display: table; + } + tr.visible-lg { + display: table-row !important; + } + th.visible-lg, + td.visible-lg { + display: table-cell !important; + } +} +@media (min-width: 1200px) { + .visible-lg-block { + display: block !important; + } +} +@media (min-width: 1200px) { + .visible-lg-inline { + display: inline !important; + } +} +@media (min-width: 1200px) { + .visible-lg-inline-block { + display: inline-block !important; + } +} +@media (max-width: 767px) { + .hidden-xs { + display: none !important; + } +} +@media (min-width: 768px) and (max-width: 991px) { + .hidden-sm { + display: none !important; + } +} +@media (min-width: 992px) and (max-width: 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normalize.css v3.0.1 | MIT License | git.io/normalize */\n\n//\n// 1. Set default font family to sans-serif.\n// 2. Prevent iOS text size adjust after orientation change, without disabling\n// user zoom.\n//\n\nhtml {\n font-family: sans-serif; // 1\n -ms-text-size-adjust: 100%; // 2\n -webkit-text-size-adjust: 100%; // 2\n}\n\n//\n// Remove default margin.\n//\n\nbody {\n margin: 0;\n}\n\n// HTML5 display definitions\n// ==========================================================================\n\n//\n// Correct `block` display not defined for any HTML5 element in IE 8/9.\n// Correct `block` display not defined for `details` or `summary` in IE 10/11 and Firefox.\n// Correct `block` display not defined for `main` in IE 11.\n//\n\narticle,\naside,\ndetails,\nfigcaption,\nfigure,\nfooter,\nheader,\nhgroup,\nmain,\nnav,\nsection,\nsummary {\n display: block;\n}\n\n//\n// 1. Correct `inline-block` display not defined in IE 8/9.\n// 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.\n//\n\naudio,\ncanvas,\nprogress,\nvideo {\n display: inline-block; // 1\n vertical-align: baseline; // 2\n}\n\n//\n// Prevent modern browsers from displaying `audio` without controls.\n// Remove excess height in iOS 5 devices.\n//\n\naudio:not([controls]) {\n display: none;\n height: 0;\n}\n\n//\n// Address `[hidden]` styling not present in IE 8/9/10.\n// Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.\n//\n\n[hidden],\ntemplate {\n display: none;\n}\n\n// Links\n// ==========================================================================\n\n//\n// Remove the gray background color from active links in IE 10.\n//\n\na {\n background: transparent;\n}\n\n//\n// Improve readability when focused and also mouse hovered in all browsers.\n//\n\na:active,\na:hover {\n outline: 0;\n}\n\n// Text-level semantics\n// ==========================================================================\n\n//\n// Address styling not present in IE 8/9/10/11, Safari, and Chrome.\n//\n\nabbr[title] {\n border-bottom: 1px dotted;\n}\n\n//\n// Address style set to `bolder` in Firefox 4+, Safari, and Chrome.\n//\n\nb,\nstrong {\n font-weight: bold;\n}\n\n//\n// Address styling not present in Safari and Chrome.\n//\n\ndfn {\n font-style: italic;\n}\n\n//\n// Address variable `h1` font-size and margin within `section` and `article`\n// contexts in Firefox 4+, Safari, and Chrome.\n//\n\nh1 {\n font-size: 2em;\n margin: 0.67em 0;\n}\n\n//\n// Address styling not present in IE 8/9.\n//\n\nmark {\n background: #ff0;\n color: #000;\n}\n\n//\n// Address inconsistent and variable font size in all browsers.\n//\n\nsmall {\n font-size: 80%;\n}\n\n//\n// Prevent `sub` and `sup` affecting `line-height` in all browsers.\n//\n\nsub,\nsup {\n font-size: 75%;\n line-height: 0;\n position: relative;\n vertical-align: baseline;\n}\n\nsup {\n top: -0.5em;\n}\n\nsub {\n bottom: -0.25em;\n}\n\n// Embedded content\n// ==========================================================================\n\n//\n// Remove border when inside `a` element in IE 8/9/10.\n//\n\nimg {\n border: 0;\n}\n\n//\n// Correct overflow not hidden in IE 9/10/11.\n//\n\nsvg:not(:root) {\n overflow: hidden;\n}\n\n// Grouping content\n// ==========================================================================\n\n//\n// Address margin not present in IE 8/9 and Safari.\n//\n\nfigure {\n margin: 1em 40px;\n}\n\n//\n// Address differences between Firefox and other browsers.\n//\n\nhr {\n -moz-box-sizing: content-box;\n box-sizing: content-box;\n height: 0;\n}\n\n//\n// Contain overflow in all browsers.\n//\n\npre {\n overflow: auto;\n}\n\n//\n// Address odd `em`-unit font size rendering in all browsers.\n//\n\ncode,\nkbd,\npre,\nsamp {\n font-family: monospace, monospace;\n font-size: 1em;\n}\n\n// Forms\n// ==========================================================================\n\n//\n// Known limitation: by default, Chrome and Safari on OS X allow very limited\n// styling of `select`, unless a `border` property is set.\n//\n\n//\n// 1. Correct color not being inherited.\n// Known issue: affects color of disabled elements.\n// 2. Correct font properties not being inherited.\n// 3. Address margins set differently in Firefox 4+, Safari, and Chrome.\n//\n\nbutton,\ninput,\noptgroup,\nselect,\ntextarea {\n color: inherit; // 1\n font: inherit; // 2\n margin: 0; // 3\n}\n\n//\n// Address `overflow` set to `hidden` in IE 8/9/10/11.\n//\n\nbutton {\n overflow: visible;\n}\n\n//\n// Address inconsistent `text-transform` inheritance for `button` and `select`.\n// All other form control elements do not inherit `text-transform` values.\n// Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.\n// Correct `select` style inheritance in Firefox.\n//\n\nbutton,\nselect {\n text-transform: none;\n}\n\n//\n// 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`\n// and `video` controls.\n// 2. Correct inability to style clickable `input` types in iOS.\n// 3. Improve usability and consistency of cursor style between image-type\n// `input` and others.\n//\n\nbutton,\nhtml input[type=\"button\"], // 1\ninput[type=\"reset\"],\ninput[type=\"submit\"] {\n -webkit-appearance: button; // 2\n cursor: pointer; // 3\n}\n\n//\n// Re-set default cursor for disabled elements.\n//\n\nbutton[disabled],\nhtml input[disabled] {\n cursor: default;\n}\n\n//\n// Remove inner padding and border in Firefox 4+.\n//\n\nbutton::-moz-focus-inner,\ninput::-moz-focus-inner {\n border: 0;\n padding: 0;\n}\n\n//\n// Address Firefox 4+ setting `line-height` on `input` using `!important` in\n// the UA stylesheet.\n//\n\ninput {\n line-height: normal;\n}\n\n//\n// It's recommended that you don't attempt to style these elements.\n// Firefox's implementation doesn't respect box-sizing, padding, or width.\n//\n// 1. Address box sizing set to `content-box` in IE 8/9/10.\n// 2. Remove excess padding in IE 8/9/10.\n//\n\ninput[type=\"checkbox\"],\ninput[type=\"radio\"] {\n box-sizing: border-box; // 1\n padding: 0; // 2\n}\n\n//\n// Fix the cursor style for Chrome's increment/decrement buttons. For certain\n// `font-size` values of the `input`, it causes the cursor style of the\n// decrement button to change from `default` to `text`.\n//\n\ninput[type=\"number\"]::-webkit-inner-spin-button,\ninput[type=\"number\"]::-webkit-outer-spin-button {\n height: auto;\n}\n\n//\n// 1. Address `appearance` set to `searchfield` in Safari and Chrome.\n// 2. Address `box-sizing` set to `border-box` in Safari and Chrome\n// (include `-moz` to future-proof).\n//\n\ninput[type=\"search\"] {\n -webkit-appearance: textfield; // 1\n -moz-box-sizing: content-box;\n -webkit-box-sizing: content-box; // 2\n box-sizing: content-box;\n}\n\n//\n// Remove inner padding and search cancel button in Safari and Chrome on OS X.\n// Safari (but not Chrome) clips the cancel button when the search input has\n// padding (and `textfield` appearance).\n//\n\ninput[type=\"search\"]::-webkit-search-cancel-button,\ninput[type=\"search\"]::-webkit-search-decoration {\n -webkit-appearance: none;\n}\n\n//\n// Define consistent border, margin, and padding.\n//\n\nfieldset {\n border: 1px solid #c0c0c0;\n margin: 0 2px;\n padding: 0.35em 0.625em 0.75em;\n}\n\n//\n// 1. Correct `color` not being inherited in IE 8/9/10/11.\n// 2. Remove padding so people aren't caught out if they zero out fieldsets.\n//\n\nlegend {\n border: 0; // 1\n padding: 0; // 2\n}\n\n//\n// Remove default vertical scrollbar in IE 8/9/10/11.\n//\n\ntextarea {\n overflow: auto;\n}\n\n//\n// Don't inherit the `font-weight` (applied by a rule above).\n// NOTE: the default cannot safely be changed in Chrome and Safari on OS X.\n//\n\noptgroup {\n font-weight: bold;\n}\n\n// Tables\n// ==========================================================================\n\n//\n// Remove most spacing between table cells.\n//\n\ntable {\n border-collapse: collapse;\n border-spacing: 0;\n}\n\ntd,\nth {\n padding: 0;\n}\n","//\n// Basic print styles\n// --------------------------------------------------\n// Source: https://github.com/h5bp/html5-boilerplate/blob/master/css/main.css\n\n@media print {\n\n * {\n text-shadow: none !important;\n color: #000 !important; // Black prints faster: h5bp.com/s\n background: transparent !important;\n box-shadow: none !important;\n }\n\n a,\n a:visited {\n text-decoration: underline;\n }\n\n a[href]:after {\n content: \" (\" attr(href) \")\";\n }\n\n abbr[title]:after {\n content: \" (\" attr(title) \")\";\n }\n\n // Don't show links for images, or javascript/internal links\n a[href^=\"javascript:\"]:after,\n a[href^=\"#\"]:after {\n content: \"\";\n }\n\n pre,\n blockquote {\n border: 1px solid #999;\n page-break-inside: avoid;\n }\n\n thead {\n display: table-header-group; // h5bp.com/t\n }\n\n tr,\n img {\n page-break-inside: avoid;\n }\n\n img {\n max-width: 100% !important;\n }\n\n p,\n h2,\n h3 {\n orphans: 3;\n widows: 3;\n }\n\n h2,\n h3 {\n page-break-after: avoid;\n }\n\n // Chrome (OSX) fix for https://github.com/twbs/bootstrap/issues/11245\n // Once fixed, we can just straight up remove this.\n select {\n background: #fff !important;\n }\n\n // Bootstrap components\n .navbar {\n display: none;\n }\n .table {\n td,\n th {\n background-color: #fff !important;\n }\n }\n .btn,\n .dropup > .btn {\n > .caret {\n border-top-color: #000 !important;\n }\n }\n .label {\n border: 1px solid #000;\n }\n\n .table {\n border-collapse: collapse !important;\n }\n .table-bordered {\n th,\n td {\n border: 1px solid #ddd !important;\n }\n }\n\n}\n","//\n// Glyphicons for Bootstrap\n//\n// Since icons are fonts, they can be placed anywhere text is placed and are\n// thus automatically sized to match the surrounding child. To use, create an\n// inline element with the appropriate classes, like so:\n//\n// <a href=\"#\"><span class=\"glyphicon glyphicon-star\"></span> Star</a>\n\n// Import the fonts\n@font-face {\n font-family: 'Glyphicons Halflings';\n src: url('@{icon-font-path}@{icon-font-name}.eot');\n src: url('@{icon-font-path}@{icon-font-name}.eot?#iefix') format('embedded-opentype'),\n url('@{icon-font-path}@{icon-font-name}.woff') format('woff'),\n url('@{icon-font-path}@{icon-font-name}.ttf') format('truetype'),\n url('@{icon-font-path}@{icon-font-name}.svg#@{icon-font-svg-id}') format('svg');\n}\n\n// Catchall baseclass\n.glyphicon {\n position: relative;\n top: 1px;\n display: inline-block;\n font-family: 'Glyphicons Halflings';\n font-style: normal;\n font-weight: normal;\n line-height: 1;\n -webkit-font-smoothing: antialiased;\n -moz-osx-font-smoothing: grayscale;\n}\n\n// Individual icons\n.glyphicon-asterisk { &:before { content: \"\\2a\"; } }\n.glyphicon-plus { &:before { content: \"\\2b\"; } }\n.glyphicon-euro { &:before { content: \"\\20ac\"; } }\n.glyphicon-minus { &:before { content: \"\\2212\"; } }\n.glyphicon-cloud { &:before { content: \"\\2601\"; } }\n.glyphicon-envelope { &:before { content: \"\\2709\"; } }\n.glyphicon-pencil { &:before { content: \"\\270f\"; } }\n.glyphicon-glass { &:before { content: \"\\e001\"; } }\n.glyphicon-music { &:before { content: \"\\e002\"; } }\n.glyphicon-search { &:before { content: \"\\e003\"; } }\n.glyphicon-heart { &:before { content: \"\\e005\"; } }\n.glyphicon-star { &:before { content: \"\\e006\"; } }\n.glyphicon-star-empty { &:before { content: \"\\e007\"; } }\n.glyphicon-user { &:before { content: \"\\e008\"; } }\n.glyphicon-film { &:before { content: \"\\e009\"; } }\n.glyphicon-th-large { &:before { content: \"\\e010\"; } }\n.glyphicon-th { &:before { content: \"\\e011\"; } }\n.glyphicon-th-list { &:before { content: \"\\e012\"; } }\n.glyphicon-ok { &:before { content: \"\\e013\"; } }\n.glyphicon-remove { &:before { content: \"\\e014\"; } }\n.glyphicon-zoom-in { &:before { content: \"\\e015\"; } }\n.glyphicon-zoom-out { &:before { content: \"\\e016\"; } }\n.glyphicon-off { &:before { content: \"\\e017\"; } }\n.glyphicon-signal { &:before { content: \"\\e018\"; } }\n.glyphicon-cog { &:before { content: \"\\e019\"; } }\n.glyphicon-trash { &:before { content: \"\\e020\"; } }\n.glyphicon-home { &:before { content: \"\\e021\"; } }\n.glyphicon-file { &:before { content: \"\\e022\"; } }\n.glyphicon-time { &:before { content: \"\\e023\"; } }\n.glyphicon-road { &:before { content: \"\\e024\"; } }\n.glyphicon-download-alt { &:before { content: \"\\e025\"; } }\n.glyphicon-download { &:before { content: \"\\e026\"; } }\n.glyphicon-upload { &:before { content: \"\\e027\"; } }\n.glyphicon-inbox { &:before { content: \"\\e028\"; } }\n.glyphicon-play-circle { &:before { content: \"\\e029\"; } }\n.glyphicon-repeat { &:before { content: \"\\e030\"; } }\n.glyphicon-refresh { &:before { content: \"\\e031\"; } }\n.glyphicon-list-alt { &:before { content: \"\\e032\"; } }\n.glyphicon-lock { &:before { content: \"\\e033\"; } }\n.glyphicon-flag { &:before { content: \"\\e034\"; } }\n.glyphicon-headphones { &:before { content: \"\\e035\"; } }\n.glyphicon-volume-off { &:before { content: \"\\e036\"; } }\n.glyphicon-volume-down { &:before { content: \"\\e037\"; } }\n.glyphicon-volume-up { &:before { content: \"\\e038\"; } }\n.glyphicon-qrcode { &:before { content: \"\\e039\"; } }\n.glyphicon-barcode { &:before { content: \"\\e040\"; } }\n.glyphicon-tag { &:before { content: \"\\e041\"; } }\n.glyphicon-tags { &:before { content: \"\\e042\"; } }\n.glyphicon-book { &:before { content: \"\\e043\"; } }\n.glyphicon-bookmark { &:before { content: \"\\e044\"; } }\n.glyphicon-print { &:before { content: \"\\e045\"; } }\n.glyphicon-camera { &:before { content: \"\\e046\"; } }\n.glyphicon-font { &:before { content: \"\\e047\"; } }\n.glyphicon-bold { &:before { content: \"\\e048\"; } }\n.glyphicon-italic { &:before { content: \"\\e049\"; } }\n.glyphicon-text-height { &:before { content: \"\\e050\"; } }\n.glyphicon-text-width { &:before { content: \"\\e051\"; } }\n.glyphicon-align-left { &:before { content: \"\\e052\"; } }\n.glyphicon-align-center { &:before { content: \"\\e053\"; } }\n.glyphicon-align-right { &:before { content: \"\\e054\"; } }\n.glyphicon-align-justify { &:before { content: \"\\e055\"; } }\n.glyphicon-list { &:before { content: \"\\e056\"; } }\n.glyphicon-indent-left { &:before { content: \"\\e057\"; } }\n.glyphicon-indent-right { &:before { content: \"\\e058\"; } }\n.glyphicon-facetime-video { &:before { content: \"\\e059\"; } }\n.glyphicon-picture { &:before { content: \"\\e060\"; } }\n.glyphicon-map-marker { &:before { content: \"\\e062\"; } }\n.glyphicon-adjust { &:before { content: \"\\e063\"; } }\n.glyphicon-tint { &:before { content: \"\\e064\"; } }\n.glyphicon-edit { &:before { content: \"\\e065\"; } }\n.glyphicon-share { &:before { content: \"\\e066\"; } }\n.glyphicon-check { &:before { content: \"\\e067\"; } }\n.glyphicon-move { &:before { content: \"\\e068\"; } }\n.glyphicon-step-backward { &:before { content: \"\\e069\"; } }\n.glyphicon-fast-backward { &:before { content: \"\\e070\"; } }\n.glyphicon-backward { &:before { content: \"\\e071\"; } }\n.glyphicon-play { &:before { content: \"\\e072\"; } }\n.glyphicon-pause { &:before { content: \"\\e073\"; } }\n.glyphicon-stop { &:before { content: \"\\e074\"; } }\n.glyphicon-forward { &:before { content: \"\\e075\"; } }\n.glyphicon-fast-forward { &:before { content: \"\\e076\"; } }\n.glyphicon-step-forward { &:before { content: \"\\e077\"; } }\n.glyphicon-eject { &:before { content: \"\\e078\"; } }\n.glyphicon-chevron-left { &:before { content: \"\\e079\"; } }\n.glyphicon-chevron-right { &:before { content: \"\\e080\"; } }\n.glyphicon-plus-sign { &:before { content: \"\\e081\"; } }\n.glyphicon-minus-sign { &:before { content: \"\\e082\"; } }\n.glyphicon-remove-sign { &:before { content: \"\\e083\"; } }\n.glyphicon-ok-sign { &:before { content: \"\\e084\"; } }\n.glyphicon-question-sign { &:before { content: \"\\e085\"; } }\n.glyphicon-info-sign { &:before { content: \"\\e086\"; } }\n.glyphicon-screenshot { &:before { content: \"\\e087\"; } }\n.glyphicon-remove-circle { &:before { content: \"\\e088\"; } }\n.glyphicon-ok-circle { &:before { content: \"\\e089\"; } }\n.glyphicon-ban-circle { &:before { content: \"\\e090\"; } }\n.glyphicon-arrow-left { &:before { content: \"\\e091\"; } }\n.glyphicon-arrow-right { &:before { content: \"\\e092\"; } }\n.glyphicon-arrow-up { &:before { content: \"\\e093\"; } }\n.glyphicon-arrow-down { &:before { content: \"\\e094\"; } }\n.glyphicon-share-alt { &:before { content: \"\\e095\"; } }\n.glyphicon-resize-full { &:before { content: \"\\e096\"; } }\n.glyphicon-resize-small { &:before { content: \"\\e097\"; } }\n.glyphicon-exclamation-sign { &:before { content: \"\\e101\"; } }\n.glyphicon-gift { &:before { content: \"\\e102\"; } }\n.glyphicon-leaf { &:before { content: \"\\e103\"; } }\n.glyphicon-fire { &:before { content: \"\\e104\"; } }\n.glyphicon-eye-open { &:before { content: \"\\e105\"; } }\n.glyphicon-eye-close { &:before { content: \"\\e106\"; } }\n.glyphicon-warning-sign { &:before { content: \"\\e107\"; } }\n.glyphicon-plane { &:before { content: \"\\e108\"; } }\n.glyphicon-calendar { &:before { content: \"\\e109\"; } }\n.glyphicon-random { &:before { content: \"\\e110\"; } }\n.glyphicon-comment { &:before { content: \"\\e111\"; } }\n.glyphicon-magnet { &:before { content: \"\\e112\"; } }\n.glyphicon-chevron-up { &:before { content: \"\\e113\"; } }\n.glyphicon-chevron-down { &:before { content: \"\\e114\"; } }\n.glyphicon-retweet { &:before { content: \"\\e115\"; } }\n.glyphicon-shopping-cart { &:before { content: \"\\e116\"; } }\n.glyphicon-folder-close { &:before { content: \"\\e117\"; } }\n.glyphicon-folder-open { &:before { content: \"\\e118\"; } }\n.glyphicon-resize-vertical { &:before { content: \"\\e119\"; } }\n.glyphicon-resize-horizontal { &:before { content: \"\\e120\"; } }\n.glyphicon-hdd { &:before { content: \"\\e121\"; } }\n.glyphicon-bullhorn { &:before { content: \"\\e122\"; } }\n.glyphicon-bell { &:before { content: \"\\e123\"; } }\n.glyphicon-certificate { &:before { content: \"\\e124\"; } }\n.glyphicon-thumbs-up { &:before { content: \"\\e125\"; } }\n.glyphicon-thumbs-down { &:before { content: \"\\e126\"; } }\n.glyphicon-hand-right { &:before { content: \"\\e127\"; } }\n.glyphicon-hand-left { &:before { content: \"\\e128\"; } }\n.glyphicon-hand-up { &:before { content: \"\\e129\"; } }\n.glyphicon-hand-down { &:before { content: \"\\e130\"; } }\n.glyphicon-circle-arrow-right { &:before { content: \"\\e131\"; } }\n.glyphicon-circle-arrow-left { &:before { content: \"\\e132\"; } }\n.glyphicon-circle-arrow-up { &:before { content: \"\\e133\"; } }\n.glyphicon-circle-arrow-down { &:before { content: \"\\e134\"; } }\n.glyphicon-globe { &:before { content: \"\\e135\"; } }\n.glyphicon-wrench { &:before { content: \"\\e136\"; } }\n.glyphicon-tasks { &:before { content: \"\\e137\"; } }\n.glyphicon-filter { &:before { content: \"\\e138\"; } }\n.glyphicon-briefcase { &:before { content: \"\\e139\"; } }\n.glyphicon-fullscreen { &:before { content: \"\\e140\"; } }\n.glyphicon-dashboard { &:before { content: \"\\e141\"; } }\n.glyphicon-paperclip { &:before { content: \"\\e142\"; } }\n.glyphicon-heart-empty { &:before { content: \"\\e143\"; } }\n.glyphicon-link { &:before { content: \"\\e144\"; } }\n.glyphicon-phone { &:before { content: \"\\e145\"; } }\n.glyphicon-pushpin { &:before { content: \"\\e146\"; } }\n.glyphicon-usd { &:before { content: \"\\e148\"; } }\n.glyphicon-gbp { &:before { content: \"\\e149\"; } }\n.glyphicon-sort { &:before { content: \"\\e150\"; } }\n.glyphicon-sort-by-alphabet { &:before { content: \"\\e151\"; } }\n.glyphicon-sort-by-alphabet-alt { &:before { content: \"\\e152\"; } }\n.glyphicon-sort-by-order { &:before { content: \"\\e153\"; } }\n.glyphicon-sort-by-order-alt { &:before { content: \"\\e154\"; } }\n.glyphicon-sort-by-attributes { &:before { content: \"\\e155\"; } }\n.glyphicon-sort-by-attributes-alt { &:before { content: \"\\e156\"; } }\n.glyphicon-unchecked { &:before { content: \"\\e157\"; } }\n.glyphicon-expand { &:before { content: \"\\e158\"; } }\n.glyphicon-collapse-down { &:before { content: \"\\e159\"; } }\n.glyphicon-collapse-up { &:before { content: \"\\e160\"; } }\n.glyphicon-log-in { &:before { content: \"\\e161\"; } }\n.glyphicon-flash { &:before { content: \"\\e162\"; } }\n.glyphicon-log-out { &:before { content: \"\\e163\"; } }\n.glyphicon-new-window { &:before { content: \"\\e164\"; } }\n.glyphicon-record { &:before { content: \"\\e165\"; } }\n.glyphicon-save { &:before { content: \"\\e166\"; } }\n.glyphicon-open { &:before { content: \"\\e167\"; } }\n.glyphicon-saved { &:before { content: \"\\e168\"; } }\n.glyphicon-import { &:before { content: \"\\e169\"; } }\n.glyphicon-export { &:before { content: \"\\e170\"; } }\n.glyphicon-send { &:before { content: \"\\e171\"; } }\n.glyphicon-floppy-disk { &:before { content: \"\\e172\"; } }\n.glyphicon-floppy-saved { &:before { content: \"\\e173\"; } }\n.glyphicon-floppy-remove { &:before { content: \"\\e174\"; } }\n.glyphicon-floppy-save { &:before { content: \"\\e175\"; } }\n.glyphicon-floppy-open { &:before { content: \"\\e176\"; } }\n.glyphicon-credit-card { &:before { content: \"\\e177\"; } }\n.glyphicon-transfer { &:before { content: \"\\e178\"; } }\n.glyphicon-cutlery { &:before { content: \"\\e179\"; } }\n.glyphicon-header { &:before { content: \"\\e180\"; } }\n.glyphicon-compressed { &:before { content: \"\\e181\"; } }\n.glyphicon-earphone { &:before { content: \"\\e182\"; } }\n.glyphicon-phone-alt { &:before { content: \"\\e183\"; } }\n.glyphicon-tower { &:before { content: \"\\e184\"; } }\n.glyphicon-stats { &:before { content: \"\\e185\"; } }\n.glyphicon-sd-video { &:before { content: \"\\e186\"; } }\n.glyphicon-hd-video { &:before { content: \"\\e187\"; } }\n.glyphicon-subtitles { &:before { content: \"\\e188\"; } }\n.glyphicon-sound-stereo { &:before { content: \"\\e189\"; } }\n.glyphicon-sound-dolby { &:before { content: \"\\e190\"; } }\n.glyphicon-sound-5-1 { &:before { content: \"\\e191\"; } }\n.glyphicon-sound-6-1 { &:before { content: \"\\e192\"; } }\n.glyphicon-sound-7-1 { &:before { content: \"\\e193\"; } }\n.glyphicon-copyright-mark { &:before { content: \"\\e194\"; } }\n.glyphicon-registration-mark { &:before { content: \"\\e195\"; } }\n.glyphicon-cloud-download { &:before { content: \"\\e197\"; } }\n.glyphicon-cloud-upload { &:before { content: \"\\e198\"; } }\n.glyphicon-tree-conifer { &:before { content: \"\\e199\"; } }\n.glyphicon-tree-deciduous { &:before { content: \"\\e200\"; } }\n","//\n// Scaffolding\n// --------------------------------------------------\n\n\n// Reset the box-sizing\n//\n// Heads up! This reset may cause conflicts with some third-party widgets.\n// For recommendations on resolving such conflicts, see\n// http://getbootstrap.com/getting-started/#third-box-sizing\n* {\n .box-sizing(border-box);\n}\n*:before,\n*:after {\n .box-sizing(border-box);\n}\n\n\n// Body reset\n\nhtml {\n font-size: 10px;\n -webkit-tap-highlight-color: rgba(0,0,0,0);\n}\n\nbody {\n font-family: @font-family-base;\n font-size: @font-size-base;\n line-height: @line-height-base;\n color: @text-color;\n background-color: @body-bg;\n}\n\n// Reset fonts for relevant elements\ninput,\nbutton,\nselect,\ntextarea {\n font-family: inherit;\n font-size: inherit;\n line-height: inherit;\n}\n\n\n// Links\n\na {\n color: @link-color;\n text-decoration: none;\n\n &:hover,\n &:focus {\n color: @link-hover-color;\n text-decoration: underline;\n }\n\n &:focus {\n .tab-focus();\n }\n}\n\n\n// Figures\n//\n// We reset this here because previously Normalize had no `figure` margins. This\n// ensures we don't break anyone's use of the element.\n\nfigure {\n margin: 0;\n}\n\n\n// Images\n\nimg {\n vertical-align: middle;\n}\n\n// Responsive images (ensure images don't scale beyond their parents)\n.img-responsive {\n .img-responsive();\n}\n\n// Rounded corners\n.img-rounded {\n border-radius: @border-radius-large;\n}\n\n// Image thumbnails\n//\n// Heads up! This is mixin-ed into thumbnails.less for `.thumbnail`.\n.img-thumbnail {\n padding: @thumbnail-padding;\n line-height: @line-height-base;\n background-color: @thumbnail-bg;\n border: 1px solid @thumbnail-border;\n border-radius: @thumbnail-border-radius;\n .transition(all .2s ease-in-out);\n\n // Keep them at most 100% wide\n .img-responsive(inline-block);\n}\n\n// Perfect circle\n.img-circle {\n border-radius: 50%; // set radius in percents\n}\n\n\n// Horizontal rules\n\nhr {\n margin-top: @line-height-computed;\n margin-bottom: @line-height-computed;\n border: 0;\n border-top: 1px solid @hr-border;\n}\n\n\n// Only display content to screen readers\n//\n// See: http://a11yproject.com/posts/how-to-hide-content/\n\n.sr-only {\n position: absolute;\n width: 1px;\n height: 1px;\n margin: -1px;\n padding: 0;\n overflow: hidden;\n clip: rect(0,0,0,0);\n border: 0;\n}\n\n// Use in conjunction with .sr-only to only display content when it's focused.\n// Useful for \"Skip to main content\" links; see http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1\n// Credit: HTML5 Boilerplate\n\n.sr-only-focusable {\n &:active,\n &:focus {\n position: static;\n width: auto;\n height: auto;\n margin: 0;\n overflow: visible;\n clip: auto;\n }\n}\n","// Vendor Prefixes\n//\n// All vendor mixins are deprecated as of v3.2.0 due to the introduction of\n// Autoprefixer in our Gruntfile. They will be removed in v4.\n\n// - Animations\n// - Backface visibility\n// - Box shadow\n// - Box sizing\n// - Content columns\n// - Hyphens\n// - Placeholder text\n// - Transformations\n// - Transitions\n// - User Select\n\n\n// Animations\n.animation(@animation) {\n -webkit-animation: @animation;\n -o-animation: @animation;\n animation: @animation;\n}\n.animation-name(@name) {\n -webkit-animation-name: @name;\n animation-name: @name;\n}\n.animation-duration(@duration) {\n -webkit-animation-duration: @duration;\n animation-duration: @duration;\n}\n.animation-timing-function(@timing-function) {\n -webkit-animation-timing-function: @timing-function;\n animation-timing-function: @timing-function;\n}\n.animation-delay(@delay) {\n -webkit-animation-delay: @delay;\n animation-delay: @delay;\n}\n.animation-iteration-count(@iteration-count) {\n -webkit-animation-iteration-count: @iteration-count;\n animation-iteration-count: @iteration-count;\n}\n.animation-direction(@direction) {\n -webkit-animation-direction: @direction;\n animation-direction: @direction;\n}\n.animation-fill-mode(@fill-mode) {\n -webkit-animation-fill-mode: @fill-mode;\n animation-fill-mode: @fill-mode;\n}\n\n// Backface visibility\n// Prevent browsers from flickering when using CSS 3D transforms.\n// Default value is `visible`, but can be changed to `hidden`\n\n.backface-visibility(@visibility){\n -webkit-backface-visibility: @visibility;\n -moz-backface-visibility: @visibility;\n backface-visibility: @visibility;\n}\n\n// Drop shadows\n//\n// Note: Deprecated `.box-shadow()` as of v3.1.0 since all of Bootstrap's\n// supported browsers that have box shadow capabilities now support it.\n\n.box-shadow(@shadow) {\n -webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1\n box-shadow: @shadow;\n}\n\n// Box sizing\n.box-sizing(@boxmodel) {\n -webkit-box-sizing: @boxmodel;\n -moz-box-sizing: @boxmodel;\n box-sizing: @boxmodel;\n}\n\n// CSS3 Content Columns\n.content-columns(@column-count; @column-gap: @grid-gutter-width) {\n -webkit-column-count: @column-count;\n -moz-column-count: @column-count;\n column-count: @column-count;\n -webkit-column-gap: @column-gap;\n -moz-column-gap: @column-gap;\n column-gap: @column-gap;\n}\n\n// Optional hyphenation\n.hyphens(@mode: auto) {\n word-wrap: break-word;\n -webkit-hyphens: @mode;\n -moz-hyphens: @mode;\n -ms-hyphens: @mode; // IE10+\n -o-hyphens: @mode;\n hyphens: @mode;\n}\n\n// Placeholder text\n.placeholder(@color: @input-color-placeholder) {\n &::-moz-placeholder { color: @color; // Firefox\n opacity: 1; } // See https://github.com/twbs/bootstrap/pull/11526\n &:-ms-input-placeholder { color: @color; } // Internet Explorer 10+\n &::-webkit-input-placeholder { color: @color; } // Safari and Chrome\n}\n\n// Transformations\n.scale(@ratio) {\n -webkit-transform: scale(@ratio);\n -ms-transform: scale(@ratio); // IE9 only\n -o-transform: scale(@ratio);\n transform: scale(@ratio);\n}\n.scale(@ratioX; @ratioY) {\n -webkit-transform: scale(@ratioX, @ratioY);\n -ms-transform: scale(@ratioX, @ratioY); // IE9 only\n -o-transform: scale(@ratioX, @ratioY);\n transform: scale(@ratioX, @ratioY);\n}\n.scaleX(@ratio) {\n -webkit-transform: scaleX(@ratio);\n -ms-transform: scaleX(@ratio); // IE9 only\n -o-transform: scaleX(@ratio);\n transform: scaleX(@ratio);\n}\n.scaleY(@ratio) {\n -webkit-transform: scaleY(@ratio);\n -ms-transform: scaleY(@ratio); // IE9 only\n -o-transform: scaleY(@ratio);\n transform: scaleY(@ratio);\n}\n.skew(@x; @y) {\n -webkit-transform: skewX(@x) skewY(@y);\n -ms-transform: skewX(@x) skewY(@y); // See https://github.com/twbs/bootstrap/issues/4885; IE9+\n -o-transform: skewX(@x) skewY(@y);\n transform: skewX(@x) skewY(@y);\n}\n.translate(@x; @y) {\n -webkit-transform: translate(@x, @y);\n -ms-transform: translate(@x, @y); // IE9 only\n -o-transform: translate(@x, @y);\n transform: translate(@x, @y);\n}\n.translate3d(@x; @y; @z) {\n -webkit-transform: translate3d(@x, @y, @z);\n transform: translate3d(@x, @y, @z);\n}\n.rotate(@degrees) {\n -webkit-transform: rotate(@degrees);\n -ms-transform: rotate(@degrees); // IE9 only\n -o-transform: rotate(@degrees);\n transform: rotate(@degrees);\n}\n.rotateX(@degrees) {\n -webkit-transform: rotateX(@degrees);\n -ms-transform: rotateX(@degrees); // IE9 only\n -o-transform: rotateX(@degrees);\n transform: rotateX(@degrees);\n}\n.rotateY(@degrees) {\n -webkit-transform: rotateY(@degrees);\n -ms-transform: rotateY(@degrees); // IE9 only\n -o-transform: rotateY(@degrees);\n transform: rotateY(@degrees);\n}\n.perspective(@perspective) {\n -webkit-perspective: @perspective;\n -moz-perspective: @perspective;\n perspective: @perspective;\n}\n.perspective-origin(@perspective) {\n -webkit-perspective-origin: @perspective;\n -moz-perspective-origin: @perspective;\n perspective-origin: @perspective;\n}\n.transform-origin(@origin) {\n -webkit-transform-origin: @origin;\n -moz-transform-origin: @origin;\n -ms-transform-origin: @origin; // IE9 only\n transform-origin: @origin;\n}\n\n\n// Transitions\n\n.transition(@transition) {\n -webkit-transition: @transition;\n -o-transition: @transition;\n transition: @transition;\n}\n.transition-property(@transition-property) {\n -webkit-transition-property: @transition-property;\n transition-property: @transition-property;\n}\n.transition-delay(@transition-delay) {\n -webkit-transition-delay: @transition-delay;\n transition-delay: @transition-delay;\n}\n.transition-duration(@transition-duration) {\n -webkit-transition-duration: @transition-duration;\n transition-duration: @transition-duration;\n}\n.transition-timing-function(@timing-function) {\n -webkit-transition-timing-function: @timing-function;\n transition-timing-function: @timing-function;\n}\n.transition-transform(@transition) {\n -webkit-transition: -webkit-transform @transition;\n -moz-transition: -moz-transform @transition;\n -o-transition: -o-transform @transition;\n transition: transform @transition;\n}\n\n\n// User select\n// For selecting text on the page\n\n.user-select(@select) {\n -webkit-user-select: @select;\n -moz-user-select: @select;\n -ms-user-select: @select; // IE10+\n user-select: @select;\n}\n","// WebKit-style focus\n\n.tab-focus() {\n // Default\n outline: thin dotted;\n // WebKit\n outline: 5px auto -webkit-focus-ring-color;\n outline-offset: -2px;\n}\n","// Image Mixins\n// - Responsive image\n// - Retina image\n\n\n// Responsive image\n//\n// Keep images from scaling beyond the width of their parents.\n.img-responsive(@display: block) {\n display: @display;\n width: 100% \\9; // Force IE10 and below to size SVG images correctly\n max-width: 100%; // Part 1: Set a maximum relative to the parent\n height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching\n}\n\n\n// Retina image\n//\n// Short retina mixin for setting background-image and -size. Note that the\n// spelling of `min--moz-device-pixel-ratio` is intentional.\n.img-retina(@file-1x; @file-2x; @width-1x; @height-1x) {\n background-image: url(\"@{file-1x}\");\n\n @media\n only screen and (-webkit-min-device-pixel-ratio: 2),\n only screen and ( min--moz-device-pixel-ratio: 2),\n only screen and ( -o-min-device-pixel-ratio: 2/1),\n only screen and ( min-device-pixel-ratio: 2),\n only screen and ( min-resolution: 192dpi),\n only screen and ( min-resolution: 2dppx) {\n background-image: url(\"@{file-2x}\");\n background-size: @width-1x @height-1x;\n }\n}\n","//\n// Typography\n// --------------------------------------------------\n\n\n// Headings\n// -------------------------\n\nh1, h2, h3, h4, h5, h6,\n.h1, .h2, .h3, .h4, .h5, .h6 {\n font-family: @headings-font-family;\n font-weight: @headings-font-weight;\n line-height: @headings-line-height;\n color: @headings-color;\n\n small,\n .small {\n font-weight: normal;\n line-height: 1;\n color: @headings-small-color;\n }\n}\n\nh1, .h1,\nh2, .h2,\nh3, .h3 {\n margin-top: @line-height-computed;\n margin-bottom: (@line-height-computed / 2);\n\n small,\n .small {\n font-size: 65%;\n }\n}\nh4, .h4,\nh5, .h5,\nh6, .h6 {\n margin-top: (@line-height-computed / 2);\n margin-bottom: (@line-height-computed / 2);\n\n small,\n .small {\n font-size: 75%;\n }\n}\n\nh1, .h1 { font-size: @font-size-h1; }\nh2, .h2 { font-size: @font-size-h2; }\nh3, .h3 { font-size: @font-size-h3; }\nh4, .h4 { font-size: @font-size-h4; }\nh5, .h5 { font-size: @font-size-h5; }\nh6, .h6 { font-size: @font-size-h6; }\n\n\n// Body text\n// -------------------------\n\np {\n margin: 0 0 (@line-height-computed / 2);\n}\n\n.lead {\n margin-bottom: @line-height-computed;\n font-size: floor((@font-size-base * 1.15));\n font-weight: 300;\n line-height: 1.4;\n\n @media (min-width: @screen-sm-min) {\n font-size: (@font-size-base * 1.5);\n }\n}\n\n\n// Emphasis & misc\n// -------------------------\n\n// Ex: (12px small font / 14px base font) * 100% = about 85%\nsmall,\n.small {\n font-size: floor((100% * @font-size-small / @font-size-base));\n}\n\n// Undo browser default styling\ncite {\n font-style: normal;\n}\n\nmark,\n.mark {\n background-color: @state-warning-bg;\n padding: .2em;\n}\n\n// Alignment\n.text-left { text-align: left; }\n.text-right { text-align: right; }\n.text-center { text-align: center; }\n.text-justify { text-align: justify; }\n.text-nowrap { white-space: nowrap; }\n\n// Transformation\n.text-lowercase { text-transform: lowercase; }\n.text-uppercase { text-transform: uppercase; }\n.text-capitalize { text-transform: capitalize; }\n\n// Contextual colors\n.text-muted {\n color: @text-muted;\n}\n.text-primary {\n .text-emphasis-variant(@brand-primary);\n}\n.text-success {\n .text-emphasis-variant(@state-success-text);\n}\n.text-info {\n .text-emphasis-variant(@state-info-text);\n}\n.text-warning {\n .text-emphasis-variant(@state-warning-text);\n}\n.text-danger {\n .text-emphasis-variant(@state-danger-text);\n}\n\n// Contextual backgrounds\n// For now we'll leave these alongside the text classes until v4 when we can\n// safely shift things around (per SemVer rules).\n.bg-primary {\n // Given the contrast here, this is the only class to have its color inverted\n // automatically.\n color: #fff;\n .bg-variant(@brand-primary);\n}\n.bg-success {\n .bg-variant(@state-success-bg);\n}\n.bg-info {\n .bg-variant(@state-info-bg);\n}\n.bg-warning {\n .bg-variant(@state-warning-bg);\n}\n.bg-danger {\n .bg-variant(@state-danger-bg);\n}\n\n\n// Page header\n// -------------------------\n\n.page-header {\n padding-bottom: ((@line-height-computed / 2) - 1);\n margin: (@line-height-computed * 2) 0 @line-height-computed;\n border-bottom: 1px solid @page-header-border-color;\n}\n\n\n// Lists\n// -------------------------\n\n// Unordered and Ordered lists\nul,\nol {\n margin-top: 0;\n margin-bottom: (@line-height-computed / 2);\n ul,\n ol {\n margin-bottom: 0;\n }\n}\n\n// List options\n\n// Unstyled keeps list items block level, just removes default browser padding and list-style\n.list-unstyled {\n padding-left: 0;\n list-style: none;\n}\n\n// Inline turns list items into inline-block\n.list-inline {\n .list-unstyled();\n margin-left: -5px;\n\n > li {\n display: inline-block;\n padding-left: 5px;\n padding-right: 5px;\n }\n}\n\n// Description Lists\ndl {\n margin-top: 0; // Remove browser default\n margin-bottom: @line-height-computed;\n}\ndt,\ndd {\n line-height: @line-height-base;\n}\ndt {\n font-weight: bold;\n}\ndd {\n margin-left: 0; // Undo browser default\n}\n\n// Horizontal description lists\n//\n// Defaults to being stacked without any of the below styles applied, until the\n// grid breakpoint is reached (default of ~768px).\n\n.dl-horizontal {\n dd {\n &:extend(.clearfix all); // Clear the floated `dt` if an empty `dd` is present\n }\n\n @media (min-width: @grid-float-breakpoint) {\n dt {\n float: left;\n width: (@dl-horizontal-offset - 20);\n clear: left;\n text-align: right;\n .text-overflow();\n }\n dd {\n margin-left: @dl-horizontal-offset;\n }\n }\n}\n\n\n// Misc\n// -------------------------\n\n// Abbreviations and acronyms\nabbr[title],\n// Add data-* attribute to help out our tooltip plugin, per https://github.com/twbs/bootstrap/issues/5257\nabbr[data-original-title] {\n cursor: help;\n border-bottom: 1px dotted @abbr-border-color;\n}\n.initialism {\n font-size: 90%;\n text-transform: uppercase;\n}\n\n// Blockquotes\nblockquote {\n padding: (@line-height-computed / 2) @line-height-computed;\n margin: 0 0 @line-height-computed;\n font-size: @blockquote-font-size;\n border-left: 5px solid @blockquote-border-color;\n\n p,\n ul,\n ol {\n &:last-child {\n margin-bottom: 0;\n }\n }\n\n // Note: Deprecated small and .small as of v3.1.0\n // Context: https://github.com/twbs/bootstrap/issues/11660\n footer,\n small,\n .small {\n display: block;\n font-size: 80%; // back to default font-size\n line-height: @line-height-base;\n color: @blockquote-small-color;\n\n &:before {\n content: '\\2014 \\00A0'; // em dash, nbsp\n }\n }\n}\n\n// Opposite alignment of blockquote\n//\n// Heads up: `blockquote.pull-right` has been deprecated as of v3.1.0.\n.blockquote-reverse,\nblockquote.pull-right {\n padding-right: 15px;\n padding-left: 0;\n border-right: 5px solid @blockquote-border-color;\n border-left: 0;\n text-align: right;\n\n // Account for citation\n footer,\n small,\n .small {\n &:before { content: ''; }\n &:after {\n content: '\\00A0 \\2014'; // nbsp, em dash\n }\n }\n}\n\n// Quotes\nblockquote:before,\nblockquote:after {\n content: \"\";\n}\n\n// Addresses\naddress {\n margin-bottom: @line-height-computed;\n font-style: normal;\n line-height: @line-height-base;\n}\n","// Typography\n\n.text-emphasis-variant(@color) {\n color: @color;\n a&:hover {\n color: darken(@color, 10%);\n }\n}\n","// Contextual backgrounds\n\n.bg-variant(@color) {\n background-color: @color;\n a&:hover {\n background-color: darken(@color, 10%);\n }\n}\n","// Text overflow\n// Requires inline-block or block for proper styling\n\n.text-overflow() {\n overflow: hidden;\n text-overflow: ellipsis;\n white-space: nowrap;\n}\n","//\n// Code (inline and block)\n// --------------------------------------------------\n\n\n// Inline and block code styles\ncode,\nkbd,\npre,\nsamp {\n font-family: @font-family-monospace;\n}\n\n// Inline code\ncode {\n padding: 2px 4px;\n font-size: 90%;\n color: @code-color;\n background-color: @code-bg;\n border-radius: @border-radius-base;\n}\n\n// User input typically entered via keyboard\nkbd {\n padding: 2px 4px;\n font-size: 90%;\n color: @kbd-color;\n background-color: @kbd-bg;\n border-radius: @border-radius-small;\n box-shadow: inset 0 -1px 0 rgba(0,0,0,.25);\n\n kbd {\n padding: 0;\n font-size: 100%;\n box-shadow: none;\n }\n}\n\n// Blocks of code\npre {\n display: block;\n padding: ((@line-height-computed - 1) / 2);\n margin: 0 0 (@line-height-computed / 2);\n font-size: (@font-size-base - 1); // 14px to 13px\n line-height: @line-height-base;\n word-break: break-all;\n word-wrap: break-word;\n color: @pre-color;\n background-color: @pre-bg;\n border: 1px solid @pre-border-color;\n border-radius: @border-radius-base;\n\n // Account for some code outputs that place code tags in pre tags\n code {\n padding: 0;\n font-size: inherit;\n color: inherit;\n white-space: pre-wrap;\n background-color: transparent;\n border-radius: 0;\n }\n}\n\n// Enable scrollable blocks of code\n.pre-scrollable {\n max-height: @pre-scrollable-max-height;\n overflow-y: scroll;\n}\n","//\n// Grid system\n// --------------------------------------------------\n\n\n// Container widths\n//\n// Set the container width, and override it for fixed navbars in media queries.\n\n.container {\n .container-fixed();\n\n @media (min-width: @screen-sm-min) {\n width: @container-sm;\n }\n @media (min-width: @screen-md-min) {\n width: @container-md;\n }\n @media (min-width: @screen-lg-min) {\n width: @container-lg;\n }\n}\n\n\n// Fluid container\n//\n// Utilizes the mixin meant for fixed width containers, but without any defined\n// width for fluid, full width layouts.\n\n.container-fluid {\n .container-fixed();\n}\n\n\n// Row\n//\n// Rows contain and clear the floats of your columns.\n\n.row {\n .make-row();\n}\n\n\n// Columns\n//\n// Common styles for small and large grid columns\n\n.make-grid-columns();\n\n\n// Extra small grid\n//\n// Columns, offsets, pushes, and pulls for extra small devices like\n// smartphones.\n\n.make-grid(xs);\n\n\n// Small grid\n//\n// Columns, offsets, pushes, and pulls for the small device range, from phones\n// to tablets.\n\n@media (min-width: @screen-sm-min) {\n .make-grid(sm);\n}\n\n\n// Medium grid\n//\n// Columns, offsets, pushes, and pulls for the desktop device range.\n\n@media (min-width: @screen-md-min) {\n .make-grid(md);\n}\n\n\n// Large grid\n//\n// Columns, offsets, pushes, and pulls for the large desktop device range.\n\n@media (min-width: @screen-lg-min) {\n .make-grid(lg);\n}\n","// Grid system\n//\n// Generate semantic grid columns with these mixins.\n\n// Centered container element\n.container-fixed(@gutter: @grid-gutter-width) {\n margin-right: auto;\n margin-left: auto;\n padding-left: (@gutter / 2);\n padding-right: (@gutter / 2);\n &:extend(.clearfix all);\n}\n\n// Creates a wrapper for a series of columns\n.make-row(@gutter: @grid-gutter-width) {\n margin-left: (@gutter / -2);\n margin-right: (@gutter / -2);\n &:extend(.clearfix all);\n}\n\n// Generate the extra small columns\n.make-xs-column(@columns; @gutter: @grid-gutter-width) {\n position: relative;\n float: left;\n width: percentage((@columns / @grid-columns));\n min-height: 1px;\n padding-left: (@gutter / 2);\n padding-right: (@gutter / 2);\n}\n.make-xs-column-offset(@columns) {\n margin-left: percentage((@columns / @grid-columns));\n}\n.make-xs-column-push(@columns) {\n left: percentage((@columns / @grid-columns));\n}\n.make-xs-column-pull(@columns) {\n right: percentage((@columns / @grid-columns));\n}\n\n// Generate the small columns\n.make-sm-column(@columns; @gutter: @grid-gutter-width) {\n position: relative;\n min-height: 1px;\n padding-left: (@gutter / 2);\n padding-right: (@gutter / 2);\n\n @media (min-width: @screen-sm-min) {\n float: left;\n width: percentage((@columns / @grid-columns));\n }\n}\n.make-sm-column-offset(@columns) {\n @media (min-width: @screen-sm-min) {\n margin-left: percentage((@columns / @grid-columns));\n }\n}\n.make-sm-column-push(@columns) {\n @media (min-width: @screen-sm-min) {\n left: percentage((@columns / @grid-columns));\n }\n}\n.make-sm-column-pull(@columns) {\n @media (min-width: @screen-sm-min) {\n right: percentage((@columns / @grid-columns));\n }\n}\n\n// Generate the medium columns\n.make-md-column(@columns; @gutter: @grid-gutter-width) {\n position: relative;\n min-height: 1px;\n padding-left: (@gutter / 2);\n padding-right: (@gutter / 2);\n\n @media (min-width: @screen-md-min) {\n float: left;\n width: percentage((@columns / @grid-columns));\n }\n}\n.make-md-column-offset(@columns) {\n @media (min-width: @screen-md-min) {\n margin-left: percentage((@columns / @grid-columns));\n }\n}\n.make-md-column-push(@columns) {\n @media (min-width: @screen-md-min) {\n left: percentage((@columns / @grid-columns));\n }\n}\n.make-md-column-pull(@columns) {\n @media (min-width: @screen-md-min) {\n right: percentage((@columns / @grid-columns));\n }\n}\n\n// Generate the large columns\n.make-lg-column(@columns; @gutter: @grid-gutter-width) {\n position: relative;\n min-height: 1px;\n padding-left: (@gutter / 2);\n padding-right: (@gutter / 2);\n\n @media (min-width: @screen-lg-min) {\n float: left;\n width: percentage((@columns / @grid-columns));\n }\n}\n.make-lg-column-offset(@columns) {\n @media (min-width: @screen-lg-min) {\n margin-left: percentage((@columns / @grid-columns));\n }\n}\n.make-lg-column-push(@columns) {\n @media (min-width: @screen-lg-min) {\n left: percentage((@columns / @grid-columns));\n }\n}\n.make-lg-column-pull(@columns) {\n @media (min-width: @screen-lg-min) {\n right: percentage((@columns / @grid-columns));\n }\n}\n","// Framework grid generation\n//\n// Used only by Bootstrap to generate the correct number of grid classes given\n// any value of `@grid-columns`.\n\n.make-grid-columns() {\n // Common styles for all sizes of grid columns, widths 1-12\n .col(@index) when (@index = 1) { // initial\n @item: ~\".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}\";\n .col((@index + 1), @item);\n }\n .col(@index, @list) when (@index =< @grid-columns) { // general; \"=<\" isn't a typo\n @item: ~\".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}\";\n .col((@index + 1), ~\"@{list}, @{item}\");\n }\n .col(@index, @list) when (@index > @grid-columns) { // terminal\n @{list} {\n position: relative;\n // Prevent columns from collapsing when empty\n min-height: 1px;\n // Inner gutter via padding\n padding-left: (@grid-gutter-width / 2);\n padding-right: (@grid-gutter-width / 2);\n }\n }\n .col(1); // kickstart it\n}\n\n.float-grid-columns(@class) {\n .col(@index) when (@index = 1) { // initial\n @item: ~\".col-@{class}-@{index}\";\n .col((@index + 1), @item);\n }\n .col(@index, @list) when (@index =< @grid-columns) { // general\n @item: ~\".col-@{class}-@{index}\";\n .col((@index + 1), ~\"@{list}, @{item}\");\n }\n .col(@index, @list) when (@index > @grid-columns) { // terminal\n @{list} {\n float: left;\n }\n }\n .col(1); // kickstart it\n}\n\n.calc-grid-column(@index, @class, @type) when (@type = width) and (@index > 0) {\n .col-@{class}-@{index} {\n width: percentage((@index / @grid-columns));\n }\n}\n.calc-grid-column(@index, @class, @type) when (@type = push) and (@index > 0) {\n .col-@{class}-push-@{index} {\n left: percentage((@index / @grid-columns));\n }\n}\n.calc-grid-column(@index, @class, @type) when (@type = push) and (@index = 0) {\n .col-@{class}-push-0 {\n left: auto;\n }\n}\n.calc-grid-column(@index, @class, @type) when (@type = pull) and (@index > 0) {\n .col-@{class}-pull-@{index} {\n right: percentage((@index / @grid-columns));\n }\n}\n.calc-grid-column(@index, @class, @type) when (@type = pull) and (@index = 0) {\n .col-@{class}-pull-0 {\n right: auto;\n }\n}\n.calc-grid-column(@index, @class, @type) when (@type = offset) {\n .col-@{class}-offset-@{index} {\n margin-left: percentage((@index / @grid-columns));\n }\n}\n\n// Basic looping in LESS\n.loop-grid-columns(@index, @class, @type) when (@index >= 0) {\n .calc-grid-column(@index, @class, @type);\n // next iteration\n .loop-grid-columns((@index - 1), @class, @type);\n}\n\n// Create grid for specific class\n.make-grid(@class) {\n .float-grid-columns(@class);\n .loop-grid-columns(@grid-columns, @class, width);\n .loop-grid-columns(@grid-columns, @class, pull);\n .loop-grid-columns(@grid-columns, @class, push);\n .loop-grid-columns(@grid-columns, @class, offset);\n}\n","//\n// Tables\n// --------------------------------------------------\n\n\ntable {\n background-color: @table-bg;\n}\nth {\n text-align: left;\n}\n\n\n// Baseline styles\n\n.table {\n width: 100%;\n max-width: 100%;\n margin-bottom: @line-height-computed;\n // Cells\n > thead,\n > tbody,\n > tfoot {\n > tr {\n > th,\n > td {\n padding: @table-cell-padding;\n line-height: @line-height-base;\n vertical-align: top;\n border-top: 1px solid @table-border-color;\n }\n }\n }\n // Bottom align for column headings\n > thead > tr > th {\n vertical-align: bottom;\n border-bottom: 2px solid @table-border-color;\n }\n // Remove top border from thead by default\n > caption + thead,\n > colgroup + thead,\n > thead:first-child {\n > tr:first-child {\n > th,\n > td {\n border-top: 0;\n }\n }\n }\n // Account for multiple tbody instances\n > tbody + tbody {\n border-top: 2px solid @table-border-color;\n }\n\n // Nesting\n .table {\n background-color: @body-bg;\n }\n}\n\n\n// Condensed table w/ half padding\n\n.table-condensed {\n > thead,\n > tbody,\n > tfoot {\n > tr {\n > th,\n > td {\n padding: @table-condensed-cell-padding;\n }\n }\n }\n}\n\n\n// Bordered version\n//\n// Add borders all around the table and between all the columns.\n\n.table-bordered {\n border: 1px solid @table-border-color;\n > thead,\n > tbody,\n > tfoot {\n > tr {\n > th,\n > td {\n border: 1px solid @table-border-color;\n }\n }\n }\n > thead > tr {\n > th,\n > td {\n border-bottom-width: 2px;\n }\n }\n}\n\n\n// Zebra-striping\n//\n// Default zebra-stripe styles (alternating gray and transparent backgrounds)\n\n.table-striped {\n > tbody > tr:nth-child(odd) {\n > td,\n > th {\n background-color: @table-bg-accent;\n }\n }\n}\n\n\n// Hover effect\n//\n// Placed here since it has to come after the potential zebra striping\n\n.table-hover {\n > tbody > tr:hover {\n > td,\n > th {\n background-color: @table-bg-hover;\n }\n }\n}\n\n\n// Table cell sizing\n//\n// Reset default table behavior\n\ntable col[class*=\"col-\"] {\n position: static; // Prevent border hiding in Firefox and IE9/10 (see https://github.com/twbs/bootstrap/issues/11623)\n float: none;\n display: table-column;\n}\ntable {\n td,\n th {\n &[class*=\"col-\"] {\n position: static; // Prevent border hiding in Firefox and IE9/10 (see https://github.com/twbs/bootstrap/issues/11623)\n float: none;\n display: table-cell;\n }\n }\n}\n\n\n// Table backgrounds\n//\n// Exact selectors below required to override `.table-striped` and prevent\n// inheritance to nested tables.\n\n// Generate the contextual variants\n.table-row-variant(active; @table-bg-active);\n.table-row-variant(success; @state-success-bg);\n.table-row-variant(info; @state-info-bg);\n.table-row-variant(warning; @state-warning-bg);\n.table-row-variant(danger; @state-danger-bg);\n\n\n// Responsive tables\n//\n// Wrap your tables in `.table-responsive` and we'll make them mobile friendly\n// by enabling horizontal scrolling. Only applies <768px. Everything above that\n// will display normally.\n\n.table-responsive {\n @media screen and (max-width: @screen-xs-max) {\n width: 100%;\n margin-bottom: (@line-height-computed * 0.75);\n overflow-y: hidden;\n overflow-x: auto;\n -ms-overflow-style: -ms-autohiding-scrollbar;\n border: 1px solid @table-border-color;\n -webkit-overflow-scrolling: touch;\n\n // Tighten up spacing\n > .table {\n margin-bottom: 0;\n\n // Ensure the content doesn't wrap\n > thead,\n > tbody,\n > tfoot {\n > tr {\n > th,\n > td {\n white-space: nowrap;\n }\n }\n }\n }\n\n // Special overrides for the bordered tables\n > .table-bordered {\n border: 0;\n\n // Nuke the appropriate borders so that the parent can handle them\n > thead,\n > tbody,\n > tfoot {\n > tr {\n > th:first-child,\n > td:first-child {\n border-left: 0;\n }\n > th:last-child,\n > td:last-child {\n border-right: 0;\n }\n }\n }\n\n // Only nuke the last row's bottom-border in `tbody` and `tfoot` since\n // chances are there will be only one `tr` in a `thead` and that would\n // remove the border altogether.\n > tbody,\n > tfoot {\n > tr:last-child {\n > th,\n > td {\n border-bottom: 0;\n }\n }\n }\n\n }\n }\n}\n","// Tables\n\n.table-row-variant(@state; @background) {\n // Exact selectors below required to override `.table-striped` and prevent\n // inheritance to nested tables.\n .table > thead > tr,\n .table > tbody > tr,\n .table > tfoot > tr {\n > td.@{state},\n > th.@{state},\n &.@{state} > td,\n &.@{state} > th {\n background-color: @background;\n }\n }\n\n // Hover states for `.table-hover`\n // Note: this is not available for cells or rows within `thead` or `tfoot`.\n .table-hover > tbody > tr {\n > td.@{state}:hover,\n > th.@{state}:hover,\n &.@{state}:hover > td,\n &:hover > .@{state},\n &.@{state}:hover > th {\n background-color: darken(@background, 5%);\n }\n }\n}\n","//\n// Forms\n// --------------------------------------------------\n\n\n// Normalize non-controls\n//\n// Restyle and baseline non-control form elements.\n\nfieldset {\n padding: 0;\n margin: 0;\n border: 0;\n // Chrome and Firefox set a `min-width: min-content;` on fieldsets,\n // so we reset that to ensure it behaves more like a standard block element.\n // See https://github.com/twbs/bootstrap/issues/12359.\n min-width: 0;\n}\n\nlegend {\n display: block;\n width: 100%;\n padding: 0;\n margin-bottom: @line-height-computed;\n font-size: (@font-size-base * 1.5);\n line-height: inherit;\n color: @legend-color;\n border: 0;\n border-bottom: 1px solid @legend-border-color;\n}\n\nlabel {\n display: inline-block;\n max-width: 100%; // Force IE8 to wrap long content (see https://github.com/twbs/bootstrap/issues/13141)\n margin-bottom: 5px;\n font-weight: bold;\n}\n\n\n// Normalize form controls\n//\n// While most of our form styles require extra classes, some basic normalization\n// is required to ensure optimum display with or without those classes to better\n// address browser inconsistencies.\n\n// Override content-box in Normalize (* isn't specific enough)\ninput[type=\"search\"] {\n .box-sizing(border-box);\n}\n\n// Position radios and checkboxes better\ninput[type=\"radio\"],\ninput[type=\"checkbox\"] {\n margin: 4px 0 0;\n margin-top: 1px \\9; // IE8-9\n line-height: normal;\n}\n\n// Set the height of file controls to match text inputs\ninput[type=\"file\"] {\n display: block;\n}\n\n// Make range inputs behave like textual form controls\ninput[type=\"range\"] {\n display: block;\n width: 100%;\n}\n\n// Make multiple select elements height not fixed\nselect[multiple],\nselect[size] {\n height: auto;\n}\n\n// Focus for file, radio, and checkbox\ninput[type=\"file\"]:focus,\ninput[type=\"radio\"]:focus,\ninput[type=\"checkbox\"]:focus {\n .tab-focus();\n}\n\n// Adjust output element\noutput {\n display: block;\n padding-top: (@padding-base-vertical + 1);\n font-size: @font-size-base;\n line-height: @line-height-base;\n color: @input-color;\n}\n\n\n// Common form controls\n//\n// Shared size and type resets for form controls. Apply `.form-control` to any\n// of the following form controls:\n//\n// select\n// textarea\n// input[type=\"text\"]\n// input[type=\"password\"]\n// input[type=\"datetime\"]\n// input[type=\"datetime-local\"]\n// input[type=\"date\"]\n// input[type=\"month\"]\n// input[type=\"time\"]\n// input[type=\"week\"]\n// input[type=\"number\"]\n// input[type=\"email\"]\n// input[type=\"url\"]\n// input[type=\"search\"]\n// input[type=\"tel\"]\n// input[type=\"color\"]\n\n.form-control {\n display: block;\n width: 100%;\n height: @input-height-base; // Make inputs at least the height of their button counterpart (base line-height + padding + border)\n padding: @padding-base-vertical @padding-base-horizontal;\n font-size: @font-size-base;\n line-height: @line-height-base;\n color: @input-color;\n background-color: @input-bg;\n background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214\n border: 1px solid @input-border;\n border-radius: @input-border-radius;\n .box-shadow(inset 0 1px 1px rgba(0,0,0,.075));\n .transition(~\"border-color ease-in-out .15s, box-shadow ease-in-out .15s\");\n\n // Customize the `:focus` state to imitate native WebKit styles.\n .form-control-focus();\n\n // Placeholder\n .placeholder();\n\n // Disabled and read-only inputs\n //\n // HTML5 says that controls under a fieldset > legend:first-child won't be\n // disabled if the fieldset is disabled. Due to implementation difficulty, we\n // don't honor that edge case; we style them as disabled anyway.\n &[disabled],\n &[readonly],\n fieldset[disabled] & {\n cursor: not-allowed;\n background-color: @input-bg-disabled;\n opacity: 1; // iOS fix for unreadable disabled content\n }\n\n // Reset height for `textarea`s\n textarea& {\n height: auto;\n }\n}\n\n\n// Search inputs in iOS\n//\n// This overrides the extra rounded corners on search inputs in iOS so that our\n// `.form-control` class can properly style them. Note that this cannot simply\n// be added to `.form-control` as it's not specific enough. For details, see\n// https://github.com/twbs/bootstrap/issues/11586.\n\ninput[type=\"search\"] {\n -webkit-appearance: none;\n}\n\n\n// Special styles for iOS temporal inputs\n//\n// In Mobile Safari, setting `display: block` on temporal inputs causes the\n// text within the input to become vertically misaligned.\n// As a workaround, we set a pixel line-height that matches the\n// given height of the input. Since this fucks up everything else, we have to\n// appropriately reset it for Internet Explorer and the size variations.\n\ninput[type=\"date\"],\ninput[type=\"time\"],\ninput[type=\"datetime-local\"],\ninput[type=\"month\"] {\n line-height: @input-height-base;\n // IE8+ misaligns the text within date inputs, so we reset\n line-height: @line-height-base ~\"\\0\";\n\n &.input-sm {\n line-height: @input-height-small;\n }\n &.input-lg {\n line-height: @input-height-large;\n }\n}\n\n\n// Form groups\n//\n// Designed to help with the organization and spacing of vertical forms. For\n// horizontal forms, use the predefined grid classes.\n\n.form-group {\n margin-bottom: 15px;\n}\n\n\n// Checkboxes and radios\n//\n// Indent the labels to position radios/checkboxes as hanging controls.\n\n.radio,\n.checkbox {\n position: relative;\n display: block;\n min-height: @line-height-computed; // clear the floating input if there is no label text\n margin-top: 10px;\n margin-bottom: 10px;\n\n label {\n padding-left: 20px;\n margin-bottom: 0;\n font-weight: normal;\n cursor: pointer;\n }\n}\n.radio input[type=\"radio\"],\n.radio-inline input[type=\"radio\"],\n.checkbox input[type=\"checkbox\"],\n.checkbox-inline input[type=\"checkbox\"] {\n position: absolute;\n margin-left: -20px;\n margin-top: 4px \\9;\n}\n\n.radio + .radio,\n.checkbox + .checkbox {\n margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing\n}\n\n// Radios and checkboxes on same line\n.radio-inline,\n.checkbox-inline {\n display: inline-block;\n padding-left: 20px;\n margin-bottom: 0;\n vertical-align: middle;\n font-weight: normal;\n cursor: pointer;\n}\n.radio-inline + .radio-inline,\n.checkbox-inline + .checkbox-inline {\n margin-top: 0;\n margin-left: 10px; // space out consecutive inline controls\n}\n\n// Apply same disabled cursor tweak as for inputs\n// Some special care is needed because <label>s don't inherit their parent's `cursor`.\n//\n// Note: Neither radios nor checkboxes can be readonly.\ninput[type=\"radio\"],\ninput[type=\"checkbox\"] {\n &[disabled],\n &.disabled,\n fieldset[disabled] & {\n cursor: not-allowed;\n }\n}\n// These classes are used directly on <label>s\n.radio-inline,\n.checkbox-inline {\n &.disabled,\n fieldset[disabled] & {\n cursor: not-allowed;\n }\n}\n// These classes are used on elements with <label> descendants\n.radio,\n.checkbox {\n &.disabled,\n fieldset[disabled] & {\n label {\n cursor: not-allowed;\n }\n }\n}\n\n\n// Static form control text\n//\n// Apply class to a `p` element to make any string of text align with labels in\n// a horizontal form layout.\n\n.form-control-static {\n // Size it appropriately next to real form controls\n padding-top: (@padding-base-vertical + 1);\n padding-bottom: (@padding-base-vertical + 1);\n // Remove default margin from `p`\n margin-bottom: 0;\n\n &.input-lg,\n &.input-sm {\n padding-left: 0;\n padding-right: 0;\n }\n}\n\n\n// Form control sizing\n//\n// Build on `.form-control` with modifier classes to decrease or increase the\n// height and font-size of form controls.\n\n.input-sm {\n .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);\n}\n\n.input-lg {\n .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);\n}\n\n\n// Form control feedback states\n//\n// Apply contextual and semantic states to individual form controls.\n\n.has-feedback {\n // Enable absolute positioning\n position: relative;\n\n // Ensure icons don't overlap text\n .form-control {\n padding-right: (@input-height-base * 1.25);\n }\n}\n// Feedback icon (requires .glyphicon classes)\n.form-control-feedback {\n position: absolute;\n top: (@line-height-computed + 5); // Height of the `label` and its margin\n right: 0;\n z-index: 2; // Ensure icon is above input groups\n display: block;\n width: @input-height-base;\n height: @input-height-base;\n line-height: @input-height-base;\n text-align: center;\n}\n.input-lg + .form-control-feedback {\n width: @input-height-large;\n height: @input-height-large;\n line-height: @input-height-large;\n}\n.input-sm + .form-control-feedback {\n width: @input-height-small;\n height: @input-height-small;\n line-height: @input-height-small;\n}\n\n// Feedback states\n.has-success {\n .form-control-validation(@state-success-text; @state-success-text; @state-success-bg);\n}\n.has-warning {\n .form-control-validation(@state-warning-text; @state-warning-text; @state-warning-bg);\n}\n.has-error {\n .form-control-validation(@state-danger-text; @state-danger-text; @state-danger-bg);\n}\n\n\n// Reposition feedback icon if label is hidden with \"screenreader only\" state\n.has-feedback label.sr-only ~ .form-control-feedback {\n top: 0;\n}\n\n\n// Help text\n//\n// Apply to any element you wish to create light text for placement immediately\n// below a form control. Use for general help, formatting, or instructional text.\n\n.help-block {\n display: block; // account for any element using help-block\n margin-top: 5px;\n margin-bottom: 10px;\n color: lighten(@text-color, 25%); // lighten the text some for contrast\n}\n\n\n\n// Inline forms\n//\n// Make forms appear inline(-block) by adding the `.form-inline` class. Inline\n// forms begin stacked on extra small (mobile) devices and then go inline when\n// viewports reach <768px.\n//\n// Requires wrapping inputs and labels with `.form-group` for proper display of\n// default HTML form controls and our custom form controls (e.g., input groups).\n//\n// Heads up! This is mixin-ed into `.navbar-form` in navbars.less.\n\n.form-inline {\n\n // Kick in the inline\n @media (min-width: @screen-sm-min) {\n // Inline-block all the things for \"inline\"\n .form-group {\n display: inline-block;\n margin-bottom: 0;\n vertical-align: middle;\n }\n\n // In navbar-form, allow folks to *not* use `.form-group`\n .form-control {\n display: inline-block;\n width: auto; // Prevent labels from stacking above inputs in `.form-group`\n vertical-align: middle;\n }\n\n .input-group {\n display: inline-table;\n vertical-align: middle;\n\n .input-group-addon,\n .input-group-btn,\n .form-control {\n width: auto;\n }\n }\n\n // Input groups need that 100% width though\n .input-group > .form-control {\n width: 100%;\n }\n\n .control-label {\n margin-bottom: 0;\n vertical-align: middle;\n }\n\n // Remove default margin on radios/checkboxes that were used for stacking, and\n // then undo the floating of radios and checkboxes to match (which also avoids\n // a bug in WebKit: https://github.com/twbs/bootstrap/issues/1969).\n .radio,\n .checkbox {\n display: inline-block;\n margin-top: 0;\n margin-bottom: 0;\n vertical-align: middle;\n\n label {\n padding-left: 0;\n }\n }\n .radio input[type=\"radio\"],\n .checkbox input[type=\"checkbox\"] {\n position: relative;\n margin-left: 0;\n }\n\n // Validation states\n //\n // Reposition the icon because it's now within a grid column and columns have\n // `position: relative;` on them. Also accounts for the grid gutter padding.\n .has-feedback .form-control-feedback {\n top: 0;\n }\n }\n}\n\n\n// Horizontal forms\n//\n// Horizontal forms are built on grid classes and allow you to create forms with\n// labels on the left and inputs on the right.\n\n.form-horizontal {\n\n // Consistent vertical alignment of radios and checkboxes\n //\n // Labels also get some reset styles, but that is scoped to a media query below.\n .radio,\n .checkbox,\n .radio-inline,\n .checkbox-inline {\n margin-top: 0;\n margin-bottom: 0;\n padding-top: (@padding-base-vertical + 1); // Default padding plus a border\n }\n // Account for padding we're adding to ensure the alignment and of help text\n // and other content below items\n .radio,\n .checkbox {\n min-height: (@line-height-computed + (@padding-base-vertical + 1));\n }\n\n // Make form groups behave like rows\n .form-group {\n .make-row();\n }\n\n // Reset spacing and right align labels, but scope to media queries so that\n // labels on narrow viewports stack the same as a default form example.\n @media (min-width: @screen-sm-min) {\n .control-label {\n text-align: right;\n margin-bottom: 0;\n padding-top: (@padding-base-vertical + 1); // Default padding plus a border\n }\n }\n\n // Validation states\n //\n // Reposition the icon because it's now within a grid column and columns have\n // `position: relative;` on them. Also accounts for the grid gutter padding.\n .has-feedback .form-control-feedback {\n top: 0;\n right: (@grid-gutter-width / 2);\n }\n\n // Form group sizes\n //\n // Quick utility class for applying `.input-lg` and `.input-sm` styles to the\n // inputs and labels within a `.form-group`.\n .form-group-lg {\n @media (min-width: @screen-sm-min) {\n .control-label {\n padding-top: ((@padding-large-vertical * @line-height-large) + 1);\n }\n }\n .form-control {\n &:extend(.input-lg);\n }\n }\n .form-group-sm {\n @media (min-width: @screen-sm-min) {\n .control-label {\n padding-top: (@padding-small-vertical + 1);\n }\n }\n .form-control {\n &:extend(.input-sm);\n }\n }\n}\n","// Form validation states\n//\n// Used in forms.less to generate the form validation CSS for warnings, errors,\n// and successes.\n\n.form-control-validation(@text-color: #555; @border-color: #ccc; @background-color: #f5f5f5) {\n // Color the label and help text\n .help-block,\n .control-label,\n .radio,\n .checkbox,\n .radio-inline,\n .checkbox-inline {\n color: @text-color;\n }\n // Set the border and box shadow on specific inputs to match\n .form-control {\n border-color: @border-color;\n .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work\n &:focus {\n border-color: darken(@border-color, 10%);\n @shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@border-color, 20%);\n .box-shadow(@shadow);\n }\n }\n // Set validation states also for addons\n .input-group-addon {\n color: @text-color;\n border-color: @border-color;\n background-color: @background-color;\n }\n // Optional feedback icon\n .form-control-feedback {\n color: @text-color;\n }\n}\n\n\n// Form control focus state\n//\n// Generate a customized focus state and for any input with the specified color,\n// which defaults to the `@input-border-focus` variable.\n//\n// We highly encourage you to not customize the default value, but instead use\n// this to tweak colors on an as-needed basis. This aesthetic change is based on\n// WebKit's default styles, but applicable to a wider range of browsers. Its\n// usability and accessibility should be taken into account with any change.\n//\n// Example usage: change the default blue border and shadow to white for better\n// contrast against a dark gray background.\n.form-control-focus(@color: @input-border-focus) {\n @color-rgba: rgba(red(@color), green(@color), blue(@color), .6);\n &:focus {\n border-color: @color;\n outline: 0;\n .box-shadow(~\"inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px @{color-rgba}\");\n }\n}\n\n// Form control sizing\n//\n// Relative text size, padding, and border-radii changes for form controls. For\n// horizontal sizing, wrap controls in the predefined grid classes. `<select>`\n// element gets special love because it's special, and that's a fact!\n.input-size(@input-height; @padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {\n height: @input-height;\n padding: @padding-vertical @padding-horizontal;\n font-size: @font-size;\n line-height: @line-height;\n border-radius: @border-radius;\n\n select& {\n height: @input-height;\n line-height: @input-height;\n }\n\n textarea&,\n select[multiple]& {\n height: auto;\n }\n}\n","//\n// Buttons\n// --------------------------------------------------\n\n\n// Base styles\n// --------------------------------------------------\n\n.btn {\n display: inline-block;\n margin-bottom: 0; // For input.btn\n font-weight: @btn-font-weight;\n text-align: center;\n vertical-align: middle;\n cursor: pointer;\n background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214\n border: 1px solid transparent;\n white-space: nowrap;\n .button-size(@padding-base-vertical; @padding-base-horizontal; @font-size-base; @line-height-base; @border-radius-base);\n .user-select(none);\n\n &,\n &:active,\n &.active {\n &:focus {\n .tab-focus();\n }\n }\n\n &:hover,\n &:focus {\n color: @btn-default-color;\n text-decoration: none;\n }\n\n &:active,\n &.active {\n outline: 0;\n background-image: none;\n .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));\n }\n\n &.disabled,\n &[disabled],\n fieldset[disabled] & {\n cursor: not-allowed;\n pointer-events: none; // Future-proof disabling of clicks\n .opacity(.65);\n .box-shadow(none);\n }\n}\n\n\n// Alternate buttons\n// --------------------------------------------------\n\n.btn-default {\n .button-variant(@btn-default-color; @btn-default-bg; @btn-default-border);\n}\n.btn-primary {\n .button-variant(@btn-primary-color; @btn-primary-bg; @btn-primary-border);\n}\n// Success appears as green\n.btn-success {\n .button-variant(@btn-success-color; @btn-success-bg; @btn-success-border);\n}\n// Info appears as blue-green\n.btn-info {\n .button-variant(@btn-info-color; @btn-info-bg; @btn-info-border);\n}\n// Warning appears as orange\n.btn-warning {\n .button-variant(@btn-warning-color; @btn-warning-bg; @btn-warning-border);\n}\n// Danger and error appear as red\n.btn-danger {\n .button-variant(@btn-danger-color; @btn-danger-bg; @btn-danger-border);\n}\n\n\n// Link buttons\n// -------------------------\n\n// Make a button look and behave like a link\n.btn-link {\n color: @link-color;\n font-weight: normal;\n cursor: pointer;\n border-radius: 0;\n\n &,\n &:active,\n &[disabled],\n fieldset[disabled] & {\n background-color: transparent;\n .box-shadow(none);\n }\n &,\n &:hover,\n &:focus,\n &:active {\n border-color: transparent;\n }\n &:hover,\n &:focus {\n color: @link-hover-color;\n text-decoration: underline;\n background-color: transparent;\n }\n &[disabled],\n fieldset[disabled] & {\n &:hover,\n &:focus {\n color: @btn-link-disabled-color;\n text-decoration: none;\n }\n }\n}\n\n\n// Button Sizes\n// --------------------------------------------------\n\n.btn-lg {\n // line-height: ensure even-numbered height of button next to large input\n .button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);\n}\n.btn-sm {\n // line-height: ensure proper height of button next to small input\n .button-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);\n}\n.btn-xs {\n .button-size(@padding-xs-vertical; @padding-xs-horizontal; @font-size-small; @line-height-small; @border-radius-small);\n}\n\n\n// Block button\n// --------------------------------------------------\n\n.btn-block {\n display: block;\n width: 100%;\n}\n\n// Vertically space out multiple block buttons\n.btn-block + .btn-block {\n margin-top: 5px;\n}\n\n// Specificity overrides\ninput[type=\"submit\"],\ninput[type=\"reset\"],\ninput[type=\"button\"] {\n &.btn-block {\n width: 100%;\n }\n}\n","// Button variants\n//\n// Easily pump out default styles, as well as :hover, :focus, :active,\n// and disabled options for all buttons\n\n.button-variant(@color; @background; @border) {\n color: @color;\n background-color: @background;\n border-color: @border;\n\n &:hover,\n &:focus,\n &:active,\n &.active,\n .open > .dropdown-toggle& {\n color: @color;\n background-color: darken(@background, 10%);\n border-color: darken(@border, 12%);\n }\n &:active,\n &.active,\n .open > .dropdown-toggle& {\n background-image: none;\n }\n &.disabled,\n &[disabled],\n fieldset[disabled] & {\n &,\n &:hover,\n &:focus,\n &:active,\n &.active {\n background-color: @background;\n border-color: @border;\n }\n }\n\n .badge {\n color: @background;\n background-color: @color;\n }\n}\n\n// Button sizes\n.button-size(@padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {\n padding: @padding-vertical @padding-horizontal;\n font-size: @font-size;\n line-height: @line-height;\n border-radius: @border-radius;\n}\n","// Opacity\n\n.opacity(@opacity) {\n opacity: @opacity;\n // IE8 filter\n @opacity-ie: (@opacity * 100);\n filter: ~\"alpha(opacity=@{opacity-ie})\";\n}\n","//\n// Component animations\n// --------------------------------------------------\n\n// Heads up!\n//\n// We don't use the `.opacity()` mixin here since it causes a bug with text\n// fields in IE7-8. Source: https://github.com/twbs/bootstrap/pull/3552.\n\n.fade {\n opacity: 0;\n .transition(opacity .15s linear);\n &.in {\n opacity: 1;\n }\n}\n\n.collapse {\n display: none;\n\n &.in { display: block; }\n tr&.in { display: table-row; }\n tbody&.in { display: table-row-group; }\n}\n\n.collapsing {\n position: relative;\n height: 0;\n overflow: hidden;\n .transition(height .35s ease);\n}\n","//\n// Dropdown menus\n// --------------------------------------------------\n\n\n// Dropdown arrow/caret\n.caret {\n display: inline-block;\n width: 0;\n height: 0;\n margin-left: 2px;\n vertical-align: middle;\n border-top: @caret-width-base solid;\n border-right: @caret-width-base solid transparent;\n border-left: @caret-width-base solid transparent;\n}\n\n// The dropdown wrapper (div)\n.dropdown {\n position: relative;\n}\n\n// Prevent the focus on the dropdown toggle when closing dropdowns\n.dropdown-toggle:focus {\n outline: 0;\n}\n\n// The dropdown menu (ul)\n.dropdown-menu {\n position: absolute;\n top: 100%;\n left: 0;\n z-index: @zindex-dropdown;\n display: none; // none by default, but block on \"open\" of the menu\n float: left;\n min-width: 160px;\n padding: 5px 0;\n margin: 2px 0 0; // override default ul\n list-style: none;\n font-size: @font-size-base;\n text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)\n background-color: @dropdown-bg;\n border: 1px solid @dropdown-fallback-border; // IE8 fallback\n border: 1px solid @dropdown-border;\n border-radius: @border-radius-base;\n .box-shadow(0 6px 12px rgba(0,0,0,.175));\n background-clip: padding-box;\n\n // Aligns the dropdown menu to right\n //\n // Deprecated as of 3.1.0 in favor of `.dropdown-menu-[dir]`\n &.pull-right {\n right: 0;\n left: auto;\n }\n\n // Dividers (basically an hr) within the dropdown\n .divider {\n .nav-divider(@dropdown-divider-bg);\n }\n\n // Links within the dropdown menu\n > li > a {\n display: block;\n padding: 3px 20px;\n clear: both;\n font-weight: normal;\n line-height: @line-height-base;\n color: @dropdown-link-color;\n white-space: nowrap; // prevent links from randomly breaking onto new lines\n }\n}\n\n// Hover/Focus state\n.dropdown-menu > li > a {\n &:hover,\n &:focus {\n text-decoration: none;\n color: @dropdown-link-hover-color;\n background-color: @dropdown-link-hover-bg;\n }\n}\n\n// Active state\n.dropdown-menu > .active > a {\n &,\n &:hover,\n &:focus {\n color: @dropdown-link-active-color;\n text-decoration: none;\n outline: 0;\n background-color: @dropdown-link-active-bg;\n }\n}\n\n// Disabled state\n//\n// Gray out text and ensure the hover/focus state remains gray\n\n.dropdown-menu > .disabled > a {\n &,\n &:hover,\n &:focus {\n color: @dropdown-link-disabled-color;\n }\n}\n// Nuke hover/focus effects\n.dropdown-menu > .disabled > a {\n &:hover,\n &:focus {\n text-decoration: none;\n background-color: transparent;\n background-image: none; // Remove CSS gradient\n .reset-filter();\n cursor: not-allowed;\n }\n}\n\n// Open state for the dropdown\n.open {\n // Show the menu\n > .dropdown-menu {\n display: block;\n }\n\n // Remove the outline when :focus is triggered\n > a {\n outline: 0;\n }\n}\n\n// Menu positioning\n//\n// Add extra class to `.dropdown-menu` to flip the alignment of the dropdown\n// menu with the parent.\n.dropdown-menu-right {\n left: auto; // Reset the default from `.dropdown-menu`\n right: 0;\n}\n// With v3, we enabled auto-flipping if you have a dropdown within a right\n// aligned nav component. To enable the undoing of that, we provide an override\n// to restore the default dropdown menu alignment.\n//\n// This is only for left-aligning a dropdown menu within a `.navbar-right` or\n// `.pull-right` nav component.\n.dropdown-menu-left {\n left: 0;\n right: auto;\n}\n\n// Dropdown section headers\n.dropdown-header {\n display: block;\n padding: 3px 20px;\n font-size: @font-size-small;\n line-height: @line-height-base;\n color: @dropdown-header-color;\n white-space: nowrap; // as with > li > a\n}\n\n// Backdrop to catch body clicks on mobile, etc.\n.dropdown-backdrop {\n position: fixed;\n left: 0;\n right: 0;\n bottom: 0;\n top: 0;\n z-index: (@zindex-dropdown - 10);\n}\n\n// Right aligned dropdowns\n.pull-right > .dropdown-menu {\n right: 0;\n left: auto;\n}\n\n// Allow for dropdowns to go bottom up (aka, dropup-menu)\n//\n// Just add .dropup after the standard .dropdown class and you're set, bro.\n// TODO: abstract this so that the navbar fixed styles are not placed here?\n\n.dropup,\n.navbar-fixed-bottom .dropdown {\n // Reverse the caret\n .caret {\n border-top: 0;\n border-bottom: @caret-width-base solid;\n content: \"\";\n }\n // Different positioning for bottom up menu\n .dropdown-menu {\n top: auto;\n bottom: 100%;\n margin-bottom: 1px;\n }\n}\n\n\n// Component alignment\n//\n// Reiterate per navbar.less and the modified component alignment there.\n\n@media (min-width: @grid-float-breakpoint) {\n .navbar-right {\n .dropdown-menu {\n .dropdown-menu-right();\n }\n // Necessary for overrides of the default right aligned menu.\n // Will remove come v4 in all likelihood.\n .dropdown-menu-left {\n .dropdown-menu-left();\n }\n }\n}\n\n","// Horizontal dividers\n//\n// Dividers (basically an hr) within dropdowns and nav lists\n\n.nav-divider(@color: #e5e5e5) {\n height: 1px;\n margin: ((@line-height-computed / 2) - 1) 0;\n overflow: hidden;\n background-color: @color;\n}\n","// Reset filters for IE\n//\n// When you need to remove a gradient background, do not forget to use this to reset\n// the IE filter for IE9 and below.\n\n.reset-filter() {\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(enabled = false)\"));\n}\n","//\n// Button groups\n// --------------------------------------------------\n\n// Make the div behave like a button\n.btn-group,\n.btn-group-vertical {\n position: relative;\n display: inline-block;\n vertical-align: middle; // match .btn alignment given font-size hack above\n > .btn {\n position: relative;\n float: left;\n // Bring the \"active\" button to the front\n &:hover,\n &:focus,\n &:active,\n &.active {\n z-index: 2;\n }\n &:focus {\n // Remove focus outline when dropdown JS adds it after closing the menu\n outline: 0;\n }\n }\n}\n\n// Prevent double borders when buttons are next to each other\n.btn-group {\n .btn + .btn,\n .btn + .btn-group,\n .btn-group + .btn,\n .btn-group + .btn-group {\n margin-left: -1px;\n }\n}\n\n// Optional: Group multiple button groups together for a toolbar\n.btn-toolbar {\n margin-left: -5px; // Offset the first child's margin\n &:extend(.clearfix all);\n\n .btn-group,\n .input-group {\n float: left;\n }\n > .btn,\n > .btn-group,\n > .input-group {\n margin-left: 5px;\n }\n}\n\n.btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle) {\n border-radius: 0;\n}\n\n// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match\n.btn-group > .btn:first-child {\n margin-left: 0;\n &:not(:last-child):not(.dropdown-toggle) {\n .border-right-radius(0);\n }\n}\n// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it\n.btn-group > .btn:last-child:not(:first-child),\n.btn-group > .dropdown-toggle:not(:first-child) {\n .border-left-radius(0);\n}\n\n// Custom edits for including btn-groups within btn-groups (useful for including dropdown buttons within a btn-group)\n.btn-group > .btn-group {\n float: left;\n}\n.btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {\n border-radius: 0;\n}\n.btn-group > .btn-group:first-child {\n > .btn:last-child,\n > .dropdown-toggle {\n .border-right-radius(0);\n }\n}\n.btn-group > .btn-group:last-child > .btn:first-child {\n .border-left-radius(0);\n}\n\n// On active and open, don't show outline\n.btn-group .dropdown-toggle:active,\n.btn-group.open .dropdown-toggle {\n outline: 0;\n}\n\n\n// Sizing\n//\n// Remix the default button sizing classes into new ones for easier manipulation.\n\n.btn-group-xs > .btn { &:extend(.btn-xs); }\n.btn-group-sm > .btn { &:extend(.btn-sm); }\n.btn-group-lg > .btn { &:extend(.btn-lg); }\n\n\n// Split button dropdowns\n// ----------------------\n\n// Give the line between buttons some depth\n.btn-group > .btn + .dropdown-toggle {\n padding-left: 8px;\n padding-right: 8px;\n}\n.btn-group > .btn-lg + .dropdown-toggle {\n padding-left: 12px;\n padding-right: 12px;\n}\n\n// The clickable button for toggling the menu\n// Remove the gradient and set the same inset shadow as the :active state\n.btn-group.open .dropdown-toggle {\n .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));\n\n // Show no shadow for `.btn-link` since it has no other button styles.\n &.btn-link {\n .box-shadow(none);\n }\n}\n\n\n// Reposition the caret\n.btn .caret {\n margin-left: 0;\n}\n// Carets in other button sizes\n.btn-lg .caret {\n border-width: @caret-width-large @caret-width-large 0;\n border-bottom-width: 0;\n}\n// Upside down carets for .dropup\n.dropup .btn-lg .caret {\n border-width: 0 @caret-width-large @caret-width-large;\n}\n\n\n// Vertical button groups\n// ----------------------\n\n.btn-group-vertical {\n > .btn,\n > .btn-group,\n > .btn-group > .btn {\n display: block;\n float: none;\n width: 100%;\n max-width: 100%;\n }\n\n // Clear floats so dropdown menus can be properly placed\n > .btn-group {\n &:extend(.clearfix all);\n > .btn {\n float: none;\n }\n }\n\n > .btn + .btn,\n > .btn + .btn-group,\n > .btn-group + .btn,\n > .btn-group + .btn-group {\n margin-top: -1px;\n margin-left: 0;\n }\n}\n\n.btn-group-vertical > .btn {\n &:not(:first-child):not(:last-child) {\n border-radius: 0;\n }\n &:first-child:not(:last-child) {\n border-top-right-radius: @border-radius-base;\n .border-bottom-radius(0);\n }\n &:last-child:not(:first-child) {\n border-bottom-left-radius: @border-radius-base;\n .border-top-radius(0);\n }\n}\n.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn {\n border-radius: 0;\n}\n.btn-group-vertical > .btn-group:first-child:not(:last-child) {\n > .btn:last-child,\n > .dropdown-toggle {\n .border-bottom-radius(0);\n }\n}\n.btn-group-vertical > .btn-group:last-child:not(:first-child) > .btn:first-child {\n .border-top-radius(0);\n}\n\n\n\n// Justified button groups\n// ----------------------\n\n.btn-group-justified {\n display: table;\n width: 100%;\n table-layout: fixed;\n border-collapse: separate;\n > .btn,\n > .btn-group {\n float: none;\n display: table-cell;\n width: 1%;\n }\n > .btn-group .btn {\n width: 100%;\n }\n\n > .btn-group .dropdown-menu {\n left: auto;\n }\n}\n\n\n// Checkbox and radio options\n//\n// In order to support the browser's form validation feedback, powered by the\n// `required` attribute, we have to \"hide\" the inputs via `opacity`. We cannot\n// use `display: none;` or `visibility: hidden;` as that also hides the popover.\n// This way, we ensure a DOM element is visible to position the popover from.\n//\n// See https://github.com/twbs/bootstrap/pull/12794 for more.\n\n[data-toggle=\"buttons\"] > .btn > input[type=\"radio\"],\n[data-toggle=\"buttons\"] > .btn > input[type=\"checkbox\"] {\n position: absolute;\n z-index: -1;\n .opacity(0);\n}\n","// Single side border-radius\n\n.border-top-radius(@radius) {\n border-top-right-radius: @radius;\n border-top-left-radius: @radius;\n}\n.border-right-radius(@radius) {\n border-bottom-right-radius: @radius;\n border-top-right-radius: @radius;\n}\n.border-bottom-radius(@radius) {\n border-bottom-right-radius: @radius;\n border-bottom-left-radius: @radius;\n}\n.border-left-radius(@radius) {\n border-bottom-left-radius: @radius;\n border-top-left-radius: @radius;\n}\n","//\n// Input groups\n// --------------------------------------------------\n\n// Base styles\n// -------------------------\n.input-group {\n position: relative; // For dropdowns\n display: table;\n border-collapse: separate; // prevent input groups from inheriting border styles from table cells when placed within a table\n\n // Undo padding and float of grid classes\n &[class*=\"col-\"] {\n float: none;\n padding-left: 0;\n padding-right: 0;\n }\n\n .form-control {\n // Ensure that the input is always above the *appended* addon button for\n // proper border colors.\n position: relative;\n z-index: 2;\n\n // IE9 fubars the placeholder attribute in text inputs and the arrows on\n // select elements in input groups. To fix it, we float the input. Details:\n // https://github.com/twbs/bootstrap/issues/11561#issuecomment-28936855\n float: left;\n\n width: 100%;\n margin-bottom: 0;\n }\n}\n\n// Sizing options\n//\n// Remix the default form control sizing classes into new ones for easier\n// manipulation.\n\n.input-group-lg > .form-control,\n.input-group-lg > .input-group-addon,\n.input-group-lg > .input-group-btn > .btn {\n .input-lg();\n}\n.input-group-sm > .form-control,\n.input-group-sm > .input-group-addon,\n.input-group-sm > .input-group-btn > .btn {\n .input-sm();\n}\n\n\n// Display as table-cell\n// -------------------------\n.input-group-addon,\n.input-group-btn,\n.input-group .form-control {\n display: table-cell;\n\n &:not(:first-child):not(:last-child) {\n border-radius: 0;\n }\n}\n// Addon and addon wrapper for buttons\n.input-group-addon,\n.input-group-btn {\n width: 1%;\n white-space: nowrap;\n vertical-align: middle; // Match the inputs\n}\n\n// Text input groups\n// -------------------------\n.input-group-addon {\n padding: @padding-base-vertical @padding-base-horizontal;\n font-size: @font-size-base;\n font-weight: normal;\n line-height: 1;\n color: @input-color;\n text-align: center;\n background-color: @input-group-addon-bg;\n border: 1px solid @input-group-addon-border-color;\n border-radius: @border-radius-base;\n\n // Sizing\n &.input-sm {\n padding: @padding-small-vertical @padding-small-horizontal;\n font-size: @font-size-small;\n border-radius: @border-radius-small;\n }\n &.input-lg {\n padding: @padding-large-vertical @padding-large-horizontal;\n font-size: @font-size-large;\n border-radius: @border-radius-large;\n }\n\n // Nuke default margins from checkboxes and radios to vertically center within.\n input[type=\"radio\"],\n input[type=\"checkbox\"] {\n margin-top: 0;\n }\n}\n\n// Reset rounded corners\n.input-group .form-control:first-child,\n.input-group-addon:first-child,\n.input-group-btn:first-child > .btn,\n.input-group-btn:first-child > .btn-group > .btn,\n.input-group-btn:first-child > .dropdown-toggle,\n.input-group-btn:last-child > .btn:not(:last-child):not(.dropdown-toggle),\n.input-group-btn:last-child > .btn-group:not(:last-child) > .btn {\n .border-right-radius(0);\n}\n.input-group-addon:first-child {\n border-right: 0;\n}\n.input-group .form-control:last-child,\n.input-group-addon:last-child,\n.input-group-btn:last-child > .btn,\n.input-group-btn:last-child > .btn-group > .btn,\n.input-group-btn:last-child > .dropdown-toggle,\n.input-group-btn:first-child > .btn:not(:first-child),\n.input-group-btn:first-child > .btn-group:not(:first-child) > .btn {\n .border-left-radius(0);\n}\n.input-group-addon:last-child {\n border-left: 0;\n}\n\n// Button input groups\n// -------------------------\n.input-group-btn {\n position: relative;\n // Jankily prevent input button groups from wrapping with `white-space` and\n // `font-size` in combination with `inline-block` on buttons.\n font-size: 0;\n white-space: nowrap;\n\n // Negative margin for spacing, position for bringing hovered/focused/actived\n // element above the siblings.\n > .btn {\n position: relative;\n + .btn {\n margin-left: -1px;\n }\n // Bring the \"active\" button to the front\n &:hover,\n &:focus,\n &:active {\n z-index: 2;\n }\n }\n\n // Negative margin to only have a 1px border between the two\n &:first-child {\n > .btn,\n > .btn-group {\n margin-right: -1px;\n }\n }\n &:last-child {\n > .btn,\n > .btn-group {\n margin-left: -1px;\n }\n }\n}\n","//\n// Navs\n// --------------------------------------------------\n\n\n// Base class\n// --------------------------------------------------\n\n.nav {\n margin-bottom: 0;\n padding-left: 0; // Override default ul/ol\n list-style: none;\n &:extend(.clearfix all);\n\n > li {\n position: relative;\n display: block;\n\n > a {\n position: relative;\n display: block;\n padding: @nav-link-padding;\n &:hover,\n &:focus {\n text-decoration: none;\n background-color: @nav-link-hover-bg;\n }\n }\n\n // Disabled state sets text to gray and nukes hover/tab effects\n &.disabled > a {\n color: @nav-disabled-link-color;\n\n &:hover,\n &:focus {\n color: @nav-disabled-link-hover-color;\n text-decoration: none;\n background-color: transparent;\n cursor: not-allowed;\n }\n }\n }\n\n // Open dropdowns\n .open > a {\n &,\n &:hover,\n &:focus {\n background-color: @nav-link-hover-bg;\n border-color: @link-color;\n }\n }\n\n // Nav dividers (deprecated with v3.0.1)\n //\n // This should have been removed in v3 with the dropping of `.nav-list`, but\n // we missed it. We don't currently support this anywhere, but in the interest\n // of maintaining backward compatibility in case you use it, it's deprecated.\n .nav-divider {\n .nav-divider();\n }\n\n // Prevent IE8 from misplacing imgs\n //\n // See https://github.com/h5bp/html5-boilerplate/issues/984#issuecomment-3985989\n > li > a > img {\n max-width: none;\n }\n}\n\n\n// Tabs\n// -------------------------\n\n// Give the tabs something to sit on\n.nav-tabs {\n border-bottom: 1px solid @nav-tabs-border-color;\n > li {\n float: left;\n // Make the list-items overlay the bottom border\n margin-bottom: -1px;\n\n // Actual tabs (as links)\n > a {\n margin-right: 2px;\n line-height: @line-height-base;\n border: 1px solid transparent;\n border-radius: @border-radius-base @border-radius-base 0 0;\n &:hover {\n border-color: @nav-tabs-link-hover-border-color @nav-tabs-link-hover-border-color @nav-tabs-border-color;\n }\n }\n\n // Active state, and its :hover to override normal :hover\n &.active > a {\n &,\n &:hover,\n &:focus {\n color: @nav-tabs-active-link-hover-color;\n background-color: @nav-tabs-active-link-hover-bg;\n border: 1px solid @nav-tabs-active-link-hover-border-color;\n border-bottom-color: transparent;\n cursor: default;\n }\n }\n }\n // pulling this in mainly for less shorthand\n &.nav-justified {\n .nav-justified();\n .nav-tabs-justified();\n }\n}\n\n\n// Pills\n// -------------------------\n.nav-pills {\n > li {\n float: left;\n\n // Links rendered as pills\n > a {\n border-radius: @nav-pills-border-radius;\n }\n + li {\n margin-left: 2px;\n }\n\n // Active state\n &.active > a {\n &,\n &:hover,\n &:focus {\n color: @nav-pills-active-link-hover-color;\n background-color: @nav-pills-active-link-hover-bg;\n }\n }\n }\n}\n\n\n// Stacked pills\n.nav-stacked {\n > li {\n float: none;\n + li {\n margin-top: 2px;\n margin-left: 0; // no need for this gap between nav items\n }\n }\n}\n\n\n// Nav variations\n// --------------------------------------------------\n\n// Justified nav links\n// -------------------------\n\n.nav-justified {\n width: 100%;\n\n > li {\n float: none;\n > a {\n text-align: center;\n margin-bottom: 5px;\n }\n }\n\n > .dropdown .dropdown-menu {\n top: auto;\n left: auto;\n }\n\n @media (min-width: @screen-sm-min) {\n > li {\n display: table-cell;\n width: 1%;\n > a {\n margin-bottom: 0;\n }\n }\n }\n}\n\n// Move borders to anchors instead of bottom of list\n//\n// Mixin for adding on top the shared `.nav-justified` styles for our tabs\n.nav-tabs-justified {\n border-bottom: 0;\n\n > li > a {\n // Override margin from .nav-tabs\n margin-right: 0;\n border-radius: @border-radius-base;\n }\n\n > .active > a,\n > .active > a:hover,\n > .active > a:focus {\n border: 1px solid @nav-tabs-justified-link-border-color;\n }\n\n @media (min-width: @screen-sm-min) {\n > li > a {\n border-bottom: 1px solid @nav-tabs-justified-link-border-color;\n border-radius: @border-radius-base @border-radius-base 0 0;\n }\n > .active > a,\n > .active > a:hover,\n > .active > a:focus {\n border-bottom-color: @nav-tabs-justified-active-link-border-color;\n }\n }\n}\n\n\n// Tabbable tabs\n// -------------------------\n\n// Hide tabbable panes to start, show them when `.active`\n.tab-content {\n > .tab-pane {\n display: none;\n }\n > .active {\n display: block;\n }\n}\n\n\n// Dropdowns\n// -------------------------\n\n// Specific dropdowns\n.nav-tabs .dropdown-menu {\n // make dropdown border overlap tab border\n margin-top: -1px;\n // Remove the top rounded corners here since there is a hard edge above the menu\n .border-top-radius(0);\n}\n","//\n// Navbars\n// --------------------------------------------------\n\n\n// Wrapper and base class\n//\n// Provide a static navbar from which we expand to create full-width, fixed, and\n// other navbar variations.\n\n.navbar {\n position: relative;\n min-height: @navbar-height; // Ensure a navbar always shows (e.g., without a .navbar-brand in collapsed mode)\n margin-bottom: @navbar-margin-bottom;\n border: 1px solid transparent;\n\n // Prevent floats from breaking the navbar\n &:extend(.clearfix all);\n\n @media (min-width: @grid-float-breakpoint) {\n border-radius: @navbar-border-radius;\n }\n}\n\n\n// Navbar heading\n//\n// Groups `.navbar-brand` and `.navbar-toggle` into a single component for easy\n// styling of responsive aspects.\n\n.navbar-header {\n &:extend(.clearfix all);\n\n @media (min-width: @grid-float-breakpoint) {\n float: left;\n }\n}\n\n\n// Navbar collapse (body)\n//\n// Group your navbar content into this for easy collapsing and expanding across\n// various device sizes. By default, this content is collapsed when <768px, but\n// will expand past that for a horizontal display.\n//\n// To start (on mobile devices) the navbar links, forms, and buttons are stacked\n// vertically and include a `max-height` to overflow in case you have too much\n// content for the user's viewport.\n\n.navbar-collapse {\n overflow-x: visible;\n padding-right: @navbar-padding-horizontal;\n padding-left: @navbar-padding-horizontal;\n border-top: 1px solid transparent;\n box-shadow: inset 0 1px 0 rgba(255,255,255,.1);\n &:extend(.clearfix all);\n -webkit-overflow-scrolling: touch;\n\n &.in {\n overflow-y: auto;\n }\n\n @media (min-width: @grid-float-breakpoint) {\n width: auto;\n border-top: 0;\n box-shadow: none;\n\n &.collapse {\n display: block !important;\n height: auto !important;\n padding-bottom: 0; // Override default setting\n overflow: visible !important;\n }\n\n &.in {\n overflow-y: visible;\n }\n\n // Undo the collapse side padding for navbars with containers to ensure\n // alignment of right-aligned contents.\n .navbar-fixed-top &,\n .navbar-static-top &,\n .navbar-fixed-bottom & {\n padding-left: 0;\n padding-right: 0;\n }\n }\n}\n\n.navbar-fixed-top,\n.navbar-fixed-bottom {\n .navbar-collapse {\n max-height: @navbar-collapse-max-height;\n\n @media (max-width: @screen-xs-min) and (orientation: landscape) {\n max-height: 200px;\n }\n }\n}\n\n\n// Both navbar header and collapse\n//\n// When a container is present, change the behavior of the header and collapse.\n\n.container,\n.container-fluid {\n > .navbar-header,\n > .navbar-collapse {\n margin-right: -@navbar-padding-horizontal;\n margin-left: -@navbar-padding-horizontal;\n\n @media (min-width: @grid-float-breakpoint) {\n margin-right: 0;\n margin-left: 0;\n }\n }\n}\n\n\n//\n// Navbar alignment options\n//\n// Display the navbar across the entirety of the page or fixed it to the top or\n// bottom of the page.\n\n// Static top (unfixed, but 100% wide) navbar\n.navbar-static-top {\n z-index: @zindex-navbar;\n border-width: 0 0 1px;\n\n @media (min-width: @grid-float-breakpoint) {\n border-radius: 0;\n }\n}\n\n// Fix the top/bottom navbars when screen real estate supports it\n.navbar-fixed-top,\n.navbar-fixed-bottom {\n position: fixed;\n right: 0;\n left: 0;\n z-index: @zindex-navbar-fixed;\n .translate3d(0, 0, 0);\n\n // Undo the rounded corners\n @media (min-width: @grid-float-breakpoint) {\n border-radius: 0;\n }\n}\n.navbar-fixed-top {\n top: 0;\n border-width: 0 0 1px;\n}\n.navbar-fixed-bottom {\n bottom: 0;\n margin-bottom: 0; // override .navbar defaults\n border-width: 1px 0 0;\n}\n\n\n// Brand/project name\n\n.navbar-brand {\n float: left;\n padding: @navbar-padding-vertical @navbar-padding-horizontal;\n font-size: @font-size-large;\n line-height: @line-height-computed;\n height: @navbar-height;\n\n &:hover,\n &:focus {\n text-decoration: none;\n }\n\n @media (min-width: @grid-float-breakpoint) {\n .navbar > .container &,\n .navbar > .container-fluid & {\n margin-left: -@navbar-padding-horizontal;\n }\n }\n}\n\n\n// Navbar toggle\n//\n// Custom button for toggling the `.navbar-collapse`, powered by the collapse\n// JavaScript plugin.\n\n.navbar-toggle {\n position: relative;\n float: right;\n margin-right: @navbar-padding-horizontal;\n padding: 9px 10px;\n .navbar-vertical-align(34px);\n background-color: transparent;\n background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214\n border: 1px solid transparent;\n border-radius: @border-radius-base;\n\n // We remove the `outline` here, but later compensate by attaching `:hover`\n // styles to `:focus`.\n &:focus {\n outline: 0;\n }\n\n // Bars\n .icon-bar {\n display: block;\n width: 22px;\n height: 2px;\n border-radius: 1px;\n }\n .icon-bar + .icon-bar {\n margin-top: 4px;\n }\n\n @media (min-width: @grid-float-breakpoint) {\n display: none;\n }\n}\n\n\n// Navbar nav links\n//\n// Builds on top of the `.nav` components with its own modifier class to make\n// the nav the full height of the horizontal nav (above 768px).\n\n.navbar-nav {\n margin: (@navbar-padding-vertical / 2) -@navbar-padding-horizontal;\n\n > li > a {\n padding-top: 10px;\n padding-bottom: 10px;\n line-height: @line-height-computed;\n }\n\n @media (max-width: @grid-float-breakpoint-max) {\n // Dropdowns get custom display when collapsed\n .open .dropdown-menu {\n position: static;\n float: none;\n width: auto;\n margin-top: 0;\n background-color: transparent;\n border: 0;\n box-shadow: none;\n > li > a,\n .dropdown-header {\n padding: 5px 15px 5px 25px;\n }\n > li > a {\n line-height: @line-height-computed;\n &:hover,\n &:focus {\n background-image: none;\n }\n }\n }\n }\n\n // Uncollapse the nav\n @media (min-width: @grid-float-breakpoint) {\n float: left;\n margin: 0;\n\n > li {\n float: left;\n > a {\n padding-top: @navbar-padding-vertical;\n padding-bottom: @navbar-padding-vertical;\n }\n }\n\n &.navbar-right:last-child {\n margin-right: -@navbar-padding-horizontal;\n }\n }\n}\n\n\n// Component alignment\n//\n// Repurpose the pull utilities as their own navbar utilities to avoid specificity\n// issues with parents and chaining. Only do this when the navbar is uncollapsed\n// though so that navbar contents properly stack and align in mobile.\n\n@media (min-width: @grid-float-breakpoint) {\n .navbar-left { .pull-left(); }\n .navbar-right { .pull-right(); }\n}\n\n\n// Navbar form\n//\n// Extension of the `.form-inline` with some extra flavor for optimum display in\n// our navbars.\n\n.navbar-form {\n margin-left: -@navbar-padding-horizontal;\n margin-right: -@navbar-padding-horizontal;\n padding: 10px @navbar-padding-horizontal;\n border-top: 1px solid transparent;\n border-bottom: 1px solid transparent;\n @shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1);\n .box-shadow(@shadow);\n\n // Mixin behavior for optimum display\n .form-inline();\n\n .form-group {\n @media (max-width: @grid-float-breakpoint-max) {\n margin-bottom: 5px;\n }\n }\n\n // Vertically center in expanded, horizontal navbar\n .navbar-vertical-align(@input-height-base);\n\n // Undo 100% width for pull classes\n @media (min-width: @grid-float-breakpoint) {\n width: auto;\n border: 0;\n margin-left: 0;\n margin-right: 0;\n padding-top: 0;\n padding-bottom: 0;\n .box-shadow(none);\n\n // Outdent the form if last child to line up with content down the page\n &.navbar-right:last-child {\n margin-right: -@navbar-padding-horizontal;\n }\n }\n}\n\n\n// Dropdown menus\n\n// Menu position and menu carets\n.navbar-nav > li > .dropdown-menu {\n margin-top: 0;\n .border-top-radius(0);\n}\n// Menu position and menu caret support for dropups via extra dropup class\n.navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {\n .border-bottom-radius(0);\n}\n\n\n// Buttons in navbars\n//\n// Vertically center a button within a navbar (when *not* in a form).\n\n.navbar-btn {\n .navbar-vertical-align(@input-height-base);\n\n &.btn-sm {\n .navbar-vertical-align(@input-height-small);\n }\n &.btn-xs {\n .navbar-vertical-align(22);\n }\n}\n\n\n// Text in navbars\n//\n// Add a class to make any element properly align itself vertically within the navbars.\n\n.navbar-text {\n .navbar-vertical-align(@line-height-computed);\n\n @media (min-width: @grid-float-breakpoint) {\n float: left;\n margin-left: @navbar-padding-horizontal;\n margin-right: @navbar-padding-horizontal;\n\n // Outdent the form if last child to line up with content down the page\n &.navbar-right:last-child {\n margin-right: 0;\n }\n }\n}\n\n// Alternate navbars\n// --------------------------------------------------\n\n// Default navbar\n.navbar-default {\n background-color: @navbar-default-bg;\n border-color: @navbar-default-border;\n\n .navbar-brand {\n color: @navbar-default-brand-color;\n &:hover,\n &:focus {\n color: @navbar-default-brand-hover-color;\n background-color: @navbar-default-brand-hover-bg;\n }\n }\n\n .navbar-text {\n color: @navbar-default-color;\n }\n\n .navbar-nav {\n > li > a {\n color: @navbar-default-link-color;\n\n &:hover,\n &:focus {\n color: @navbar-default-link-hover-color;\n background-color: @navbar-default-link-hover-bg;\n }\n }\n > .active > a {\n &,\n &:hover,\n &:focus {\n color: @navbar-default-link-active-color;\n background-color: @navbar-default-link-active-bg;\n }\n }\n > .disabled > a {\n &,\n &:hover,\n &:focus {\n color: @navbar-default-link-disabled-color;\n background-color: @navbar-default-link-disabled-bg;\n }\n }\n }\n\n .navbar-toggle {\n border-color: @navbar-default-toggle-border-color;\n &:hover,\n &:focus {\n background-color: @navbar-default-toggle-hover-bg;\n }\n .icon-bar {\n background-color: @navbar-default-toggle-icon-bar-bg;\n }\n }\n\n .navbar-collapse,\n .navbar-form {\n border-color: @navbar-default-border;\n }\n\n // Dropdown menu items\n .navbar-nav {\n // Remove background color from open dropdown\n > .open > a {\n &,\n &:hover,\n &:focus {\n background-color: @navbar-default-link-active-bg;\n color: @navbar-default-link-active-color;\n }\n }\n\n @media (max-width: @grid-float-breakpoint-max) {\n // Dropdowns get custom display when collapsed\n .open .dropdown-menu {\n > li > a {\n color: @navbar-default-link-color;\n &:hover,\n &:focus {\n color: @navbar-default-link-hover-color;\n background-color: @navbar-default-link-hover-bg;\n }\n }\n > .active > a {\n &,\n &:hover,\n &:focus {\n color: @navbar-default-link-active-color;\n background-color: @navbar-default-link-active-bg;\n }\n }\n > .disabled > a {\n &,\n &:hover,\n &:focus {\n color: @navbar-default-link-disabled-color;\n background-color: @navbar-default-link-disabled-bg;\n }\n }\n }\n }\n }\n\n\n // Links in navbars\n //\n // Add a class to ensure links outside the navbar nav are colored correctly.\n\n .navbar-link {\n color: @navbar-default-link-color;\n &:hover {\n color: @navbar-default-link-hover-color;\n }\n }\n\n .btn-link {\n color: @navbar-default-link-color;\n &:hover,\n &:focus {\n color: @navbar-default-link-hover-color;\n }\n &[disabled],\n fieldset[disabled] & {\n &:hover,\n &:focus {\n color: @navbar-default-link-disabled-color;\n }\n }\n }\n}\n\n// Inverse navbar\n\n.navbar-inverse {\n background-color: @navbar-inverse-bg;\n border-color: @navbar-inverse-border;\n\n .navbar-brand {\n color: @navbar-inverse-brand-color;\n &:hover,\n &:focus {\n color: @navbar-inverse-brand-hover-color;\n background-color: @navbar-inverse-brand-hover-bg;\n }\n }\n\n .navbar-text {\n color: @navbar-inverse-color;\n }\n\n .navbar-nav {\n > li > a {\n color: @navbar-inverse-link-color;\n\n &:hover,\n &:focus {\n color: @navbar-inverse-link-hover-color;\n background-color: @navbar-inverse-link-hover-bg;\n }\n }\n > .active > a {\n &,\n &:hover,\n &:focus {\n color: @navbar-inverse-link-active-color;\n background-color: @navbar-inverse-link-active-bg;\n }\n }\n > .disabled > a {\n &,\n &:hover,\n &:focus {\n color: @navbar-inverse-link-disabled-color;\n background-color: @navbar-inverse-link-disabled-bg;\n }\n }\n }\n\n // Darken the responsive nav toggle\n .navbar-toggle {\n border-color: @navbar-inverse-toggle-border-color;\n &:hover,\n &:focus {\n background-color: @navbar-inverse-toggle-hover-bg;\n }\n .icon-bar {\n background-color: @navbar-inverse-toggle-icon-bar-bg;\n }\n }\n\n .navbar-collapse,\n .navbar-form {\n border-color: darken(@navbar-inverse-bg, 7%);\n }\n\n // Dropdowns\n .navbar-nav {\n > .open > a {\n &,\n &:hover,\n &:focus {\n background-color: @navbar-inverse-link-active-bg;\n color: @navbar-inverse-link-active-color;\n }\n }\n\n @media (max-width: @grid-float-breakpoint-max) {\n // Dropdowns get custom display\n .open .dropdown-menu {\n > .dropdown-header {\n border-color: @navbar-inverse-border;\n }\n .divider {\n background-color: @navbar-inverse-border;\n }\n > li > a {\n color: @navbar-inverse-link-color;\n &:hover,\n &:focus {\n color: @navbar-inverse-link-hover-color;\n background-color: @navbar-inverse-link-hover-bg;\n }\n }\n > .active > a {\n &,\n &:hover,\n &:focus {\n color: @navbar-inverse-link-active-color;\n background-color: @navbar-inverse-link-active-bg;\n }\n }\n > .disabled > a {\n &,\n &:hover,\n &:focus {\n color: @navbar-inverse-link-disabled-color;\n background-color: @navbar-inverse-link-disabled-bg;\n }\n }\n }\n }\n }\n\n .navbar-link {\n color: @navbar-inverse-link-color;\n &:hover {\n color: @navbar-inverse-link-hover-color;\n }\n }\n\n .btn-link {\n color: @navbar-inverse-link-color;\n &:hover,\n &:focus {\n color: @navbar-inverse-link-hover-color;\n }\n &[disabled],\n fieldset[disabled] & {\n &:hover,\n &:focus {\n color: @navbar-inverse-link-disabled-color;\n }\n }\n }\n}\n","// Navbar vertical align\n//\n// Vertically center elements in the navbar.\n// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.\n\n.navbar-vertical-align(@element-height) {\n margin-top: ((@navbar-height - @element-height) / 2);\n margin-bottom: ((@navbar-height - @element-height) / 2);\n}\n","//\n// Utility classes\n// --------------------------------------------------\n\n\n// Floats\n// -------------------------\n\n.clearfix {\n .clearfix();\n}\n.center-block {\n .center-block();\n}\n.pull-right {\n float: right !important;\n}\n.pull-left {\n float: left !important;\n}\n\n\n// Toggling content\n// -------------------------\n\n// Note: Deprecated .hide in favor of .hidden or .sr-only (as appropriate) in v3.0.1\n.hide {\n display: none !important;\n}\n.show {\n display: block !important;\n}\n.invisible {\n visibility: hidden;\n}\n.text-hide {\n .text-hide();\n}\n\n\n// Hide from screenreaders and browsers\n//\n// Credit: HTML5 Boilerplate\n\n.hidden {\n display: none !important;\n visibility: hidden !important;\n}\n\n\n// For Affix plugin\n// -------------------------\n\n.affix {\n position: fixed;\n .translate3d(0, 0, 0);\n}\n","//\n// Breadcrumbs\n// --------------------------------------------------\n\n\n.breadcrumb {\n padding: @breadcrumb-padding-vertical @breadcrumb-padding-horizontal;\n margin-bottom: @line-height-computed;\n list-style: none;\n background-color: @breadcrumb-bg;\n border-radius: @border-radius-base;\n\n > li {\n display: inline-block;\n\n + li:before {\n content: \"@{breadcrumb-separator}\\00a0\"; // Unicode space added since inline-block means non-collapsing white-space\n padding: 0 5px;\n color: @breadcrumb-color;\n }\n }\n\n > .active {\n color: @breadcrumb-active-color;\n }\n}\n","//\n// Pagination (multiple pages)\n// --------------------------------------------------\n.pagination {\n display: inline-block;\n padding-left: 0;\n margin: @line-height-computed 0;\n border-radius: @border-radius-base;\n\n > li {\n display: inline; // Remove list-style and block-level defaults\n > a,\n > span {\n position: relative;\n float: left; // Collapse white-space\n padding: @padding-base-vertical @padding-base-horizontal;\n line-height: @line-height-base;\n text-decoration: none;\n color: @pagination-color;\n background-color: @pagination-bg;\n border: 1px solid @pagination-border;\n margin-left: -1px;\n }\n &:first-child {\n > a,\n > span {\n margin-left: 0;\n .border-left-radius(@border-radius-base);\n }\n }\n &:last-child {\n > a,\n > span {\n .border-right-radius(@border-radius-base);\n }\n }\n }\n\n > li > a,\n > li > span {\n &:hover,\n &:focus {\n color: @pagination-hover-color;\n background-color: @pagination-hover-bg;\n border-color: @pagination-hover-border;\n }\n }\n\n > .active > a,\n > .active > span {\n &,\n &:hover,\n &:focus {\n z-index: 2;\n color: @pagination-active-color;\n background-color: @pagination-active-bg;\n border-color: @pagination-active-border;\n cursor: default;\n }\n }\n\n > .disabled {\n > span,\n > span:hover,\n > span:focus,\n > a,\n > a:hover,\n > a:focus {\n color: @pagination-disabled-color;\n background-color: @pagination-disabled-bg;\n border-color: @pagination-disabled-border;\n cursor: not-allowed;\n }\n }\n}\n\n// Sizing\n// --------------------------------------------------\n\n// Large\n.pagination-lg {\n .pagination-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @border-radius-large);\n}\n\n// Small\n.pagination-sm {\n .pagination-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @border-radius-small);\n}\n","// Pagination\n\n.pagination-size(@padding-vertical; @padding-horizontal; @font-size; @border-radius) {\n > li {\n > a,\n > span {\n padding: @padding-vertical @padding-horizontal;\n font-size: @font-size;\n }\n &:first-child {\n > a,\n > span {\n .border-left-radius(@border-radius);\n }\n }\n &:last-child {\n > a,\n > span {\n .border-right-radius(@border-radius);\n }\n }\n }\n}\n","//\n// Pager pagination\n// --------------------------------------------------\n\n\n.pager {\n padding-left: 0;\n margin: @line-height-computed 0;\n list-style: none;\n text-align: center;\n &:extend(.clearfix all);\n li {\n display: inline;\n > a,\n > span {\n display: inline-block;\n padding: 5px 14px;\n background-color: @pager-bg;\n border: 1px solid @pager-border;\n border-radius: @pager-border-radius;\n }\n\n > a:hover,\n > a:focus {\n text-decoration: none;\n background-color: @pager-hover-bg;\n }\n }\n\n .next {\n > a,\n > span {\n float: right;\n }\n }\n\n .previous {\n > a,\n > span {\n float: left;\n }\n }\n\n .disabled {\n > a,\n > a:hover,\n > a:focus,\n > span {\n color: @pager-disabled-color;\n background-color: @pager-bg;\n cursor: not-allowed;\n }\n }\n\n}\n","//\n// Labels\n// --------------------------------------------------\n\n.label {\n display: inline;\n padding: .2em .6em .3em;\n font-size: 75%;\n font-weight: bold;\n line-height: 1;\n color: @label-color;\n text-align: center;\n white-space: nowrap;\n vertical-align: baseline;\n border-radius: .25em;\n\n // Add hover effects, but only for links\n a& {\n &:hover,\n &:focus {\n color: @label-link-hover-color;\n text-decoration: none;\n cursor: pointer;\n }\n }\n\n // Empty labels collapse automatically (not available in IE8)\n &:empty {\n display: none;\n }\n\n // Quick fix for labels in buttons\n .btn & {\n position: relative;\n top: -1px;\n }\n}\n\n// Colors\n// Contextual variations (linked labels get darker on :hover)\n\n.label-default {\n .label-variant(@label-default-bg);\n}\n\n.label-primary {\n .label-variant(@label-primary-bg);\n}\n\n.label-success {\n .label-variant(@label-success-bg);\n}\n\n.label-info {\n .label-variant(@label-info-bg);\n}\n\n.label-warning {\n .label-variant(@label-warning-bg);\n}\n\n.label-danger {\n .label-variant(@label-danger-bg);\n}\n","// Labels\n\n.label-variant(@color) {\n background-color: @color;\n \n &[href] {\n &:hover,\n &:focus {\n background-color: darken(@color, 10%);\n }\n }\n}\n","//\n// Badges\n// --------------------------------------------------\n\n\n// Base class\n.badge {\n display: inline-block;\n min-width: 10px;\n padding: 3px 7px;\n font-size: @font-size-small;\n font-weight: @badge-font-weight;\n color: @badge-color;\n line-height: @badge-line-height;\n vertical-align: baseline;\n white-space: nowrap;\n text-align: center;\n background-color: @badge-bg;\n border-radius: @badge-border-radius;\n\n // Empty badges collapse automatically (not available in IE8)\n &:empty {\n display: none;\n }\n\n // Quick fix for badges in buttons\n .btn & {\n position: relative;\n top: -1px;\n }\n .btn-xs & {\n top: 0;\n padding: 1px 5px;\n }\n\n // Hover state, but only for links\n a& {\n &:hover,\n &:focus {\n color: @badge-link-hover-color;\n text-decoration: none;\n cursor: pointer;\n }\n }\n\n // Account for badges in navs\n a.list-group-item.active > &,\n .nav-pills > .active > a > & {\n color: @badge-active-color;\n background-color: @badge-active-bg;\n }\n .nav-pills > li > a > & {\n margin-left: 3px;\n }\n}\n","//\n// Jumbotron\n// --------------------------------------------------\n\n\n.jumbotron {\n padding: @jumbotron-padding;\n margin-bottom: @jumbotron-padding;\n color: @jumbotron-color;\n background-color: @jumbotron-bg;\n\n h1,\n .h1 {\n color: @jumbotron-heading-color;\n }\n p {\n margin-bottom: (@jumbotron-padding / 2);\n font-size: @jumbotron-font-size;\n font-weight: 200;\n }\n\n > hr {\n border-top-color: darken(@jumbotron-bg, 10%);\n }\n\n .container & {\n border-radius: @border-radius-large; // Only round corners at higher resolutions if contained in a container\n }\n\n .container {\n max-width: 100%;\n }\n\n @media screen and (min-width: @screen-sm-min) {\n padding-top: (@jumbotron-padding * 1.6);\n padding-bottom: (@jumbotron-padding * 1.6);\n\n .container & {\n padding-left: (@jumbotron-padding * 2);\n padding-right: (@jumbotron-padding * 2);\n }\n\n h1,\n .h1 {\n font-size: (@font-size-base * 4.5);\n }\n }\n}\n","//\n// Thumbnails\n// --------------------------------------------------\n\n\n// Mixin and adjust the regular image class\n.thumbnail {\n display: block;\n padding: @thumbnail-padding;\n margin-bottom: @line-height-computed;\n line-height: @line-height-base;\n background-color: @thumbnail-bg;\n border: 1px solid @thumbnail-border;\n border-radius: @thumbnail-border-radius;\n .transition(all .2s ease-in-out);\n\n > img,\n a > img {\n &:extend(.img-responsive);\n margin-left: auto;\n margin-right: auto;\n }\n\n // Add a hover state for linked versions only\n a&:hover,\n a&:focus,\n a&.active {\n border-color: @link-color;\n }\n\n // Image captions\n .caption {\n padding: @thumbnail-caption-padding;\n color: @thumbnail-caption-color;\n }\n}\n","//\n// Alerts\n// --------------------------------------------------\n\n\n// Base styles\n// -------------------------\n\n.alert {\n padding: @alert-padding;\n margin-bottom: @line-height-computed;\n border: 1px solid transparent;\n border-radius: @alert-border-radius;\n\n // Headings for larger alerts\n h4 {\n margin-top: 0;\n // Specified for the h4 to prevent conflicts of changing @headings-color\n color: inherit;\n }\n // Provide class for links that match alerts\n .alert-link {\n font-weight: @alert-link-font-weight;\n }\n\n // Improve alignment and spacing of inner content\n > p,\n > ul {\n margin-bottom: 0;\n }\n > p + p {\n margin-top: 5px;\n }\n}\n\n// Dismissible alerts\n//\n// Expand the right padding and account for the close button's positioning.\n\n.alert-dismissable, // The misspelled .alert-dismissable was deprecated in 3.2.0.\n.alert-dismissible {\n padding-right: (@alert-padding + 20);\n\n // Adjust close link position\n .close {\n position: relative;\n top: -2px;\n right: -21px;\n color: inherit;\n }\n}\n\n// Alternate styles\n//\n// Generate contextual modifier classes for colorizing the alert.\n\n.alert-success {\n .alert-variant(@alert-success-bg; @alert-success-border; @alert-success-text);\n}\n.alert-info {\n .alert-variant(@alert-info-bg; @alert-info-border; @alert-info-text);\n}\n.alert-warning {\n .alert-variant(@alert-warning-bg; @alert-warning-border; @alert-warning-text);\n}\n.alert-danger {\n .alert-variant(@alert-danger-bg; @alert-danger-border; @alert-danger-text);\n}\n","// Alerts\n\n.alert-variant(@background; @border; @text-color) {\n background-color: @background;\n border-color: @border;\n color: @text-color;\n\n hr {\n border-top-color: darken(@border, 5%);\n }\n .alert-link {\n color: darken(@text-color, 10%);\n }\n}\n","//\n// Progress bars\n// --------------------------------------------------\n\n\n// Bar animations\n// -------------------------\n\n// WebKit\n@-webkit-keyframes progress-bar-stripes {\n from { background-position: 40px 0; }\n to { background-position: 0 0; }\n}\n\n// Spec and IE10+\n@keyframes progress-bar-stripes {\n from { background-position: 40px 0; }\n to { background-position: 0 0; }\n}\n\n\n\n// Bar itself\n// -------------------------\n\n// Outer container\n.progress {\n overflow: hidden;\n height: @line-height-computed;\n margin-bottom: @line-height-computed;\n background-color: @progress-bg;\n border-radius: @border-radius-base;\n .box-shadow(inset 0 1px 2px rgba(0,0,0,.1));\n}\n\n// Bar of progress\n.progress-bar {\n float: left;\n width: 0%;\n height: 100%;\n font-size: @font-size-small;\n line-height: @line-height-computed;\n color: @progress-bar-color;\n text-align: center;\n background-color: @progress-bar-bg;\n .box-shadow(inset 0 -1px 0 rgba(0,0,0,.15));\n .transition(width .6s ease);\n}\n\n// Striped bars\n//\n// `.progress-striped .progress-bar` is deprecated as of v3.2.0 in favor of the\n// `.progress-bar-striped` class, which you just add to an existing\n// `.progress-bar`.\n.progress-striped .progress-bar,\n.progress-bar-striped {\n #gradient > .striped();\n background-size: 40px 40px;\n}\n\n// Call animation for the active one\n//\n// `.progress.active .progress-bar` is deprecated as of v3.2.0 in favor of the\n// `.progress-bar.active` approach.\n.progress.active .progress-bar,\n.progress-bar.active {\n .animation(progress-bar-stripes 2s linear infinite);\n}\n\n// Account for lower percentages\n.progress-bar {\n &[aria-valuenow=\"1\"],\n &[aria-valuenow=\"2\"] {\n min-width: 30px;\n }\n\n &[aria-valuenow=\"0\"] {\n color: @gray-light;\n min-width: 30px;\n background-color: transparent;\n background-image: none;\n box-shadow: none;\n }\n}\n\n\n\n// Variations\n// -------------------------\n\n.progress-bar-success {\n .progress-bar-variant(@progress-bar-success-bg);\n}\n\n.progress-bar-info {\n .progress-bar-variant(@progress-bar-info-bg);\n}\n\n.progress-bar-warning {\n .progress-bar-variant(@progress-bar-warning-bg);\n}\n\n.progress-bar-danger {\n .progress-bar-variant(@progress-bar-danger-bg);\n}\n","// Gradients\n\n#gradient {\n\n // Horizontal gradient, from left to right\n //\n // Creates two color stops, start and end, by specifying a color and position for each color stop.\n // Color stops are not available in IE9 and below.\n .horizontal(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {\n background-image: -webkit-linear-gradient(left, @start-color @start-percent, @end-color @end-percent); // Safari 5.1-6, Chrome 10+\n background-image: -o-linear-gradient(left, @start-color @start-percent, @end-color @end-percent); // Opera 12\n background-image: linear-gradient(to right, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+\n background-repeat: repeat-x;\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)\",argb(@start-color),argb(@end-color))); // IE9 and down\n }\n\n // Vertical gradient, from top to bottom\n //\n // Creates two color stops, start and end, by specifying a color and position for each color stop.\n // Color stops are not available in IE9 and below.\n .vertical(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {\n background-image: -webkit-linear-gradient(top, @start-color @start-percent, @end-color @end-percent); // Safari 5.1-6, Chrome 10+\n background-image: -o-linear-gradient(top, @start-color @start-percent, @end-color @end-percent); // Opera 12\n background-image: linear-gradient(to bottom, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+\n background-repeat: repeat-x;\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)\",argb(@start-color),argb(@end-color))); // IE9 and down\n }\n\n .directional(@start-color: #555; @end-color: #333; @deg: 45deg) {\n background-repeat: repeat-x;\n background-image: -webkit-linear-gradient(@deg, @start-color, @end-color); // Safari 5.1-6, Chrome 10+\n background-image: -o-linear-gradient(@deg, @start-color, @end-color); // Opera 12\n background-image: linear-gradient(@deg, @start-color, @end-color); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+\n }\n .horizontal-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {\n background-image: -webkit-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);\n background-image: -o-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);\n background-image: linear-gradient(to right, @start-color, @mid-color @color-stop, @end-color);\n background-repeat: no-repeat;\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)\",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback\n }\n .vertical-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {\n background-image: -webkit-linear-gradient(@start-color, @mid-color @color-stop, @end-color);\n background-image: -o-linear-gradient(@start-color, @mid-color @color-stop, @end-color);\n background-image: linear-gradient(@start-color, @mid-color @color-stop, @end-color);\n background-repeat: no-repeat;\n filter: e(%(\"progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)\",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback\n }\n .radial(@inner-color: #555; @outer-color: #333) {\n background-image: -webkit-radial-gradient(circle, @inner-color, @outer-color);\n background-image: radial-gradient(circle, @inner-color, @outer-color);\n background-repeat: no-repeat;\n }\n .striped(@color: rgba(255,255,255,.15); @angle: 45deg) {\n background-image: -webkit-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);\n background-image: -o-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);\n background-image: linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);\n }\n}\n","// Progress bars\n\n.progress-bar-variant(@color) {\n background-color: @color;\n\n // Deprecated parent class requirement as of v3.2.0\n .progress-striped & {\n #gradient > .striped();\n }\n}\n","// Media objects\n// Source: http://stubbornella.org/content/?p=497\n// --------------------------------------------------\n\n\n// Common styles\n// -------------------------\n\n// Clear the floats\n.media,\n.media-body {\n overflow: hidden;\n zoom: 1;\n}\n\n// Proper spacing between instances of .media\n.media,\n.media .media {\n margin-top: 15px;\n}\n.media:first-child {\n margin-top: 0;\n}\n\n// For images and videos, set to block\n.media-object {\n display: block;\n}\n\n// Reset margins on headings for tighter default spacing\n.media-heading {\n margin: 0 0 5px;\n}\n\n\n// Media image alignment\n// -------------------------\n\n.media {\n > .pull-left {\n margin-right: 10px;\n }\n > .pull-right {\n margin-left: 10px;\n }\n}\n\n\n// Media list variation\n// -------------------------\n\n// Undo default ul/ol styles\n.media-list {\n padding-left: 0;\n list-style: none;\n}\n","//\n// List groups\n// --------------------------------------------------\n\n\n// Base class\n//\n// Easily usable on <ul>, <ol>, or <div>.\n\n.list-group {\n // No need to set list-style: none; since .list-group-item is block level\n margin-bottom: 20px;\n padding-left: 0; // reset padding because ul and ol\n}\n\n\n// Individual list items\n//\n// Use on `li`s or `div`s within the `.list-group` parent.\n\n.list-group-item {\n position: relative;\n display: block;\n padding: 10px 15px;\n // Place the border on the list items and negative margin up for better styling\n margin-bottom: -1px;\n background-color: @list-group-bg;\n border: 1px solid @list-group-border;\n\n // Round the first and last items\n &:first-child {\n .border-top-radius(@list-group-border-radius);\n }\n &:last-child {\n margin-bottom: 0;\n .border-bottom-radius(@list-group-border-radius);\n }\n\n // Align badges within list items\n > .badge {\n float: right;\n }\n > .badge + .badge {\n margin-right: 5px;\n }\n}\n\n\n// Linked list items\n//\n// Use anchor elements instead of `li`s or `div`s to create linked list items.\n// Includes an extra `.active` modifier class for showing selected items.\n\na.list-group-item {\n color: @list-group-link-color;\n\n .list-group-item-heading {\n color: @list-group-link-heading-color;\n }\n\n // Hover state\n &:hover,\n &:focus {\n text-decoration: none;\n color: @list-group-link-hover-color;\n background-color: @list-group-hover-bg;\n }\n}\n\n.list-group-item {\n // Disabled state\n &.disabled,\n &.disabled:hover,\n &.disabled:focus {\n background-color: @list-group-disabled-bg;\n color: @list-group-disabled-color;\n\n // Force color to inherit for custom content\n .list-group-item-heading {\n color: inherit;\n }\n .list-group-item-text {\n color: @list-group-disabled-text-color;\n }\n }\n\n // Active class on item itself, not parent\n &.active,\n &.active:hover,\n &.active:focus {\n z-index: 2; // Place active items above their siblings for proper border styling\n color: @list-group-active-color;\n background-color: @list-group-active-bg;\n border-color: @list-group-active-border;\n\n // Force color to inherit for custom content\n .list-group-item-heading,\n .list-group-item-heading > small,\n .list-group-item-heading > .small {\n color: inherit;\n }\n .list-group-item-text {\n color: @list-group-active-text-color;\n }\n }\n}\n\n\n// Contextual variants\n//\n// Add modifier classes to change text and background color on individual items.\n// Organizationally, this must come after the `:hover` states.\n\n.list-group-item-variant(success; @state-success-bg; @state-success-text);\n.list-group-item-variant(info; @state-info-bg; @state-info-text);\n.list-group-item-variant(warning; @state-warning-bg; @state-warning-text);\n.list-group-item-variant(danger; @state-danger-bg; @state-danger-text);\n\n\n// Custom content options\n//\n// Extra classes for creating well-formatted content within `.list-group-item`s.\n\n.list-group-item-heading {\n margin-top: 0;\n margin-bottom: 5px;\n}\n.list-group-item-text {\n margin-bottom: 0;\n line-height: 1.3;\n}\n","// List Groups\n\n.list-group-item-variant(@state; @background; @color) {\n .list-group-item-@{state} {\n color: @color;\n background-color: @background;\n\n a& {\n color: @color;\n\n .list-group-item-heading {\n color: inherit;\n }\n\n &:hover,\n &:focus {\n color: @color;\n background-color: darken(@background, 5%);\n }\n &.active,\n &.active:hover,\n &.active:focus {\n color: #fff;\n background-color: @color;\n border-color: @color;\n }\n }\n }\n}\n","//\n// Panels\n// --------------------------------------------------\n\n\n// Base class\n.panel {\n margin-bottom: @line-height-computed;\n background-color: @panel-bg;\n border: 1px solid transparent;\n border-radius: @panel-border-radius;\n .box-shadow(0 1px 1px rgba(0,0,0,.05));\n}\n\n// Panel contents\n.panel-body {\n padding: @panel-body-padding;\n &:extend(.clearfix all);\n}\n\n// Optional heading\n.panel-heading {\n padding: @panel-heading-padding;\n border-bottom: 1px solid transparent;\n .border-top-radius((@panel-border-radius - 1));\n\n > .dropdown .dropdown-toggle {\n color: inherit;\n }\n}\n\n// Within heading, strip any `h*` tag of its default margins for spacing.\n.panel-title {\n margin-top: 0;\n margin-bottom: 0;\n font-size: ceil((@font-size-base * 1.125));\n color: inherit;\n\n > a {\n color: inherit;\n }\n}\n\n// Optional footer (stays gray in every modifier class)\n.panel-footer {\n padding: @panel-footer-padding;\n background-color: @panel-footer-bg;\n border-top: 1px solid @panel-inner-border;\n .border-bottom-radius((@panel-border-radius - 1));\n}\n\n\n// List groups in panels\n//\n// By default, space out list group content from panel headings to account for\n// any kind of custom content between the two.\n\n.panel {\n > .list-group {\n margin-bottom: 0;\n\n .list-group-item {\n border-width: 1px 0;\n border-radius: 0;\n }\n\n // Add border top radius for first one\n &:first-child {\n .list-group-item:first-child {\n border-top: 0;\n .border-top-radius((@panel-border-radius - 1));\n }\n }\n // Add border bottom radius for last one\n &:last-child {\n .list-group-item:last-child {\n border-bottom: 0;\n .border-bottom-radius((@panel-border-radius - 1));\n }\n }\n }\n}\n// Collapse space between when there's no additional content.\n.panel-heading + .list-group {\n .list-group-item:first-child {\n border-top-width: 0;\n }\n}\n.list-group + .panel-footer {\n border-top-width: 0;\n}\n\n// Tables in panels\n//\n// Place a non-bordered `.table` within a panel (not within a `.panel-body`) and\n// watch it go full width.\n\n.panel {\n > .table,\n > .table-responsive > .table,\n > .panel-collapse > .table {\n margin-bottom: 0;\n }\n // Add border top radius for first one\n > .table:first-child,\n > .table-responsive:first-child > .table:first-child {\n .border-top-radius((@panel-border-radius - 1));\n\n > thead:first-child,\n > tbody:first-child {\n > tr:first-child {\n td:first-child,\n th:first-child {\n border-top-left-radius: (@panel-border-radius - 1);\n }\n td:last-child,\n th:last-child {\n border-top-right-radius: (@panel-border-radius - 1);\n }\n }\n }\n }\n // Add border bottom radius for last one\n > .table:last-child,\n > .table-responsive:last-child > .table:last-child {\n .border-bottom-radius((@panel-border-radius - 1));\n\n > tbody:last-child,\n > tfoot:last-child {\n > tr:last-child {\n td:first-child,\n th:first-child {\n border-bottom-left-radius: (@panel-border-radius - 1);\n }\n td:last-child,\n th:last-child {\n border-bottom-right-radius: (@panel-border-radius - 1);\n }\n }\n }\n }\n > .panel-body + .table,\n > .panel-body + .table-responsive {\n border-top: 1px solid @table-border-color;\n }\n > .table > tbody:first-child > tr:first-child th,\n > .table > tbody:first-child > tr:first-child td {\n border-top: 0;\n }\n > .table-bordered,\n > .table-responsive > .table-bordered {\n border: 0;\n > thead,\n > tbody,\n > tfoot {\n > tr {\n > th:first-child,\n > td:first-child {\n border-left: 0;\n }\n > th:last-child,\n > td:last-child {\n border-right: 0;\n }\n }\n }\n > thead,\n > tbody {\n > tr:first-child {\n > td,\n > th {\n border-bottom: 0;\n }\n }\n }\n > tbody,\n > tfoot {\n > tr:last-child {\n > td,\n > th {\n border-bottom: 0;\n }\n }\n }\n }\n > .table-responsive {\n border: 0;\n margin-bottom: 0;\n }\n}\n\n\n// Collapsable panels (aka, accordion)\n//\n// Wrap a series of panels in `.panel-group` to turn them into an accordion with\n// the help of our collapse JavaScript plugin.\n\n.panel-group {\n margin-bottom: @line-height-computed;\n\n // Tighten up margin so it's only between panels\n .panel {\n margin-bottom: 0;\n border-radius: @panel-border-radius;\n + .panel {\n margin-top: 5px;\n }\n }\n\n .panel-heading {\n border-bottom: 0;\n + .panel-collapse > .panel-body {\n border-top: 1px solid @panel-inner-border;\n }\n }\n .panel-footer {\n border-top: 0;\n + .panel-collapse .panel-body {\n border-bottom: 1px solid @panel-inner-border;\n }\n }\n}\n\n\n// Contextual variations\n.panel-default {\n .panel-variant(@panel-default-border; @panel-default-text; @panel-default-heading-bg; @panel-default-border);\n}\n.panel-primary {\n .panel-variant(@panel-primary-border; @panel-primary-text; @panel-primary-heading-bg; @panel-primary-border);\n}\n.panel-success {\n .panel-variant(@panel-success-border; @panel-success-text; @panel-success-heading-bg; @panel-success-border);\n}\n.panel-info {\n .panel-variant(@panel-info-border; @panel-info-text; @panel-info-heading-bg; @panel-info-border);\n}\n.panel-warning {\n .panel-variant(@panel-warning-border; @panel-warning-text; @panel-warning-heading-bg; @panel-warning-border);\n}\n.panel-danger {\n .panel-variant(@panel-danger-border; @panel-danger-text; @panel-danger-heading-bg; @panel-danger-border);\n}\n","// Panels\n\n.panel-variant(@border; @heading-text-color; @heading-bg-color; @heading-border) {\n border-color: @border;\n\n & > .panel-heading {\n color: @heading-text-color;\n background-color: @heading-bg-color;\n border-color: @heading-border;\n\n + .panel-collapse > .panel-body {\n border-top-color: @border;\n }\n .badge {\n color: @heading-bg-color;\n background-color: @heading-text-color;\n }\n }\n & > .panel-footer {\n + .panel-collapse > .panel-body {\n border-bottom-color: @border;\n }\n }\n}\n","// Embeds responsive\n//\n// Credit: Nicolas Gallagher and SUIT CSS.\n\n.embed-responsive {\n position: relative;\n display: block;\n height: 0;\n padding: 0;\n overflow: hidden;\n\n .embed-responsive-item,\n iframe,\n embed,\n object {\n position: absolute;\n top: 0;\n left: 0;\n bottom: 0;\n height: 100%;\n width: 100%;\n border: 0;\n }\n\n // Modifier class for 16:9 aspect ratio\n &.embed-responsive-16by9 {\n padding-bottom: 56.25%;\n }\n\n // Modifier class for 4:3 aspect ratio\n &.embed-responsive-4by3 {\n padding-bottom: 75%;\n }\n}\n","//\n// Wells\n// --------------------------------------------------\n\n\n// Base class\n.well {\n min-height: 20px;\n padding: 19px;\n margin-bottom: 20px;\n background-color: @well-bg;\n border: 1px solid @well-border;\n border-radius: @border-radius-base;\n .box-shadow(inset 0 1px 1px rgba(0,0,0,.05));\n blockquote {\n border-color: #ddd;\n border-color: rgba(0,0,0,.15);\n }\n}\n\n// Sizes\n.well-lg {\n padding: 24px;\n border-radius: @border-radius-large;\n}\n.well-sm {\n padding: 9px;\n border-radius: @border-radius-small;\n}\n","//\n// Close icons\n// --------------------------------------------------\n\n\n.close {\n float: right;\n font-size: (@font-size-base * 1.5);\n font-weight: @close-font-weight;\n line-height: 1;\n color: @close-color;\n text-shadow: @close-text-shadow;\n .opacity(.2);\n\n &:hover,\n &:focus {\n color: @close-color;\n text-decoration: none;\n cursor: pointer;\n .opacity(.5);\n }\n\n // Additional properties for button version\n // iOS requires the button element instead of an anchor tag.\n // If you want the anchor version, it requires `href=\"#\"`.\n button& {\n padding: 0;\n cursor: pointer;\n background: transparent;\n border: 0;\n -webkit-appearance: none;\n }\n}\n","//\n// Modals\n// --------------------------------------------------\n\n// .modal-open - body class for killing the scroll\n// .modal - container to scroll within\n// .modal-dialog - positioning shell for the actual modal\n// .modal-content - actual modal w/ bg and corners and shit\n\n// Kill the scroll on the body\n.modal-open {\n overflow: hidden;\n}\n\n// Container that the modal scrolls within\n.modal {\n display: none;\n overflow: hidden;\n position: fixed;\n top: 0;\n right: 0;\n bottom: 0;\n left: 0;\n z-index: @zindex-modal;\n -webkit-overflow-scrolling: touch;\n\n // Prevent Chrome on Windows from adding a focus outline. For details, see\n // https://github.com/twbs/bootstrap/pull/10951.\n outline: 0;\n\n // When fading in the modal, animate it to slide down\n &.fade .modal-dialog {\n .translate3d(0, -25%, 0);\n .transition-transform(~\"0.3s ease-out\");\n }\n &.in .modal-dialog { .translate3d(0, 0, 0) }\n}\n.modal-open .modal {\n overflow-x: hidden;\n overflow-y: auto;\n}\n\n// Shell div to position the modal with bottom padding\n.modal-dialog {\n position: relative;\n width: auto;\n margin: 10px;\n}\n\n// Actual modal\n.modal-content {\n position: relative;\n background-color: @modal-content-bg;\n border: 1px solid @modal-content-fallback-border-color; //old browsers fallback (ie8 etc)\n border: 1px solid @modal-content-border-color;\n border-radius: @border-radius-large;\n .box-shadow(0 3px 9px rgba(0,0,0,.5));\n background-clip: padding-box;\n // Remove focus outline from opened modal\n outline: 0;\n}\n\n// Modal background\n.modal-backdrop {\n position: fixed;\n top: 0;\n right: 0;\n bottom: 0;\n left: 0;\n z-index: @zindex-modal-background;\n background-color: @modal-backdrop-bg;\n // Fade for backdrop\n &.fade { .opacity(0); }\n &.in { .opacity(@modal-backdrop-opacity); }\n}\n\n// Modal header\n// Top section of the modal w/ title and dismiss\n.modal-header {\n padding: @modal-title-padding;\n border-bottom: 1px solid @modal-header-border-color;\n min-height: (@modal-title-padding + @modal-title-line-height);\n}\n// Close icon\n.modal-header .close {\n margin-top: -2px;\n}\n\n// Title text within header\n.modal-title {\n margin: 0;\n line-height: @modal-title-line-height;\n}\n\n// Modal body\n// Where all modal content resides (sibling of .modal-header and .modal-footer)\n.modal-body {\n position: relative;\n padding: @modal-inner-padding;\n}\n\n// Footer (for actions)\n.modal-footer {\n padding: @modal-inner-padding;\n text-align: right; // right align buttons\n border-top: 1px solid @modal-footer-border-color;\n &:extend(.clearfix all); // clear it in case folks use .pull-* classes on buttons\n\n // Properly space out buttons\n .btn + .btn {\n margin-left: 5px;\n margin-bottom: 0; // account for input[type=\"submit\"] which gets the bottom margin like all other inputs\n }\n // but override that for button groups\n .btn-group .btn + .btn {\n margin-left: -1px;\n }\n // and override it for block buttons as well\n .btn-block + .btn-block {\n margin-left: 0;\n }\n}\n\n// Measure scrollbar width for padding body during modal show/hide\n.modal-scrollbar-measure {\n position: absolute;\n top: -9999px;\n width: 50px;\n height: 50px;\n overflow: scroll;\n}\n\n// Scale up the modal\n@media (min-width: @screen-sm-min) {\n // Automatically set modal's width for larger viewports\n .modal-dialog {\n width: @modal-md;\n margin: 30px auto;\n }\n .modal-content {\n .box-shadow(0 5px 15px rgba(0,0,0,.5));\n }\n\n // Modal sizes\n .modal-sm { width: @modal-sm; }\n}\n\n@media (min-width: @screen-md-min) {\n .modal-lg { width: @modal-lg; }\n}\n","//\n// Tooltips\n// --------------------------------------------------\n\n\n// Base class\n.tooltip {\n position: absolute;\n z-index: @zindex-tooltip;\n display: block;\n visibility: visible;\n font-size: @font-size-small;\n line-height: 1.4;\n .opacity(0);\n\n &.in { .opacity(@tooltip-opacity); }\n &.top { margin-top: -3px; padding: @tooltip-arrow-width 0; }\n &.right { margin-left: 3px; padding: 0 @tooltip-arrow-width; }\n &.bottom { margin-top: 3px; padding: @tooltip-arrow-width 0; }\n &.left { margin-left: -3px; padding: 0 @tooltip-arrow-width; }\n}\n\n// Wrapper for the tooltip content\n.tooltip-inner {\n max-width: @tooltip-max-width;\n padding: 3px 8px;\n color: @tooltip-color;\n text-align: center;\n text-decoration: none;\n background-color: @tooltip-bg;\n border-radius: @border-radius-base;\n}\n\n// Arrows\n.tooltip-arrow {\n position: absolute;\n width: 0;\n height: 0;\n border-color: transparent;\n border-style: solid;\n}\n.tooltip {\n &.top .tooltip-arrow {\n bottom: 0;\n left: 50%;\n margin-left: -@tooltip-arrow-width;\n border-width: @tooltip-arrow-width @tooltip-arrow-width 0;\n border-top-color: @tooltip-arrow-color;\n }\n &.top-left .tooltip-arrow {\n bottom: 0;\n left: @tooltip-arrow-width;\n border-width: @tooltip-arrow-width @tooltip-arrow-width 0;\n border-top-color: @tooltip-arrow-color;\n }\n &.top-right .tooltip-arrow {\n bottom: 0;\n right: @tooltip-arrow-width;\n border-width: @tooltip-arrow-width @tooltip-arrow-width 0;\n border-top-color: @tooltip-arrow-color;\n }\n &.right .tooltip-arrow {\n top: 50%;\n left: 0;\n margin-top: -@tooltip-arrow-width;\n border-width: @tooltip-arrow-width @tooltip-arrow-width @tooltip-arrow-width 0;\n border-right-color: @tooltip-arrow-color;\n }\n &.left .tooltip-arrow {\n top: 50%;\n right: 0;\n margin-top: -@tooltip-arrow-width;\n border-width: @tooltip-arrow-width 0 @tooltip-arrow-width @tooltip-arrow-width;\n border-left-color: @tooltip-arrow-color;\n }\n &.bottom .tooltip-arrow {\n top: 0;\n left: 50%;\n margin-left: -@tooltip-arrow-width;\n border-width: 0 @tooltip-arrow-width @tooltip-arrow-width;\n border-bottom-color: @tooltip-arrow-color;\n }\n &.bottom-left .tooltip-arrow {\n top: 0;\n left: @tooltip-arrow-width;\n border-width: 0 @tooltip-arrow-width @tooltip-arrow-width;\n border-bottom-color: @tooltip-arrow-color;\n }\n &.bottom-right .tooltip-arrow {\n top: 0;\n right: @tooltip-arrow-width;\n border-width: 0 @tooltip-arrow-width @tooltip-arrow-width;\n border-bottom-color: @tooltip-arrow-color;\n }\n}\n","//\n// Popovers\n// --------------------------------------------------\n\n\n.popover {\n position: absolute;\n top: 0;\n left: 0;\n z-index: @zindex-popover;\n display: none;\n max-width: @popover-max-width;\n padding: 1px;\n text-align: left; // Reset given new insertion method\n background-color: @popover-bg;\n background-clip: padding-box;\n border: 1px solid @popover-fallback-border-color;\n border: 1px solid @popover-border-color;\n border-radius: @border-radius-large;\n .box-shadow(0 5px 10px rgba(0,0,0,.2));\n\n // Overrides for proper insertion\n white-space: normal;\n\n // Offset the popover to account for the popover arrow\n &.top { margin-top: -@popover-arrow-width; }\n &.right { margin-left: @popover-arrow-width; }\n &.bottom { margin-top: @popover-arrow-width; }\n &.left { margin-left: -@popover-arrow-width; }\n}\n\n.popover-title {\n margin: 0; // reset heading margin\n padding: 8px 14px;\n font-size: @font-size-base;\n font-weight: normal;\n line-height: 18px;\n background-color: @popover-title-bg;\n border-bottom: 1px solid darken(@popover-title-bg, 5%);\n border-radius: (@border-radius-large - 1) (@border-radius-large - 1) 0 0;\n}\n\n.popover-content {\n padding: 9px 14px;\n}\n\n// Arrows\n//\n// .arrow is outer, .arrow:after is inner\n\n.popover > .arrow {\n &,\n &:after {\n position: absolute;\n display: block;\n width: 0;\n height: 0;\n border-color: transparent;\n border-style: solid;\n }\n}\n.popover > .arrow {\n border-width: @popover-arrow-outer-width;\n}\n.popover > .arrow:after {\n border-width: @popover-arrow-width;\n content: \"\";\n}\n\n.popover {\n &.top > .arrow {\n left: 50%;\n margin-left: -@popover-arrow-outer-width;\n border-bottom-width: 0;\n border-top-color: @popover-arrow-outer-fallback-color; // IE8 fallback\n border-top-color: @popover-arrow-outer-color;\n bottom: -@popover-arrow-outer-width;\n &:after {\n content: \" \";\n bottom: 1px;\n margin-left: -@popover-arrow-width;\n border-bottom-width: 0;\n border-top-color: @popover-arrow-color;\n }\n }\n &.right > .arrow {\n top: 50%;\n left: -@popover-arrow-outer-width;\n margin-top: -@popover-arrow-outer-width;\n border-left-width: 0;\n border-right-color: @popover-arrow-outer-fallback-color; // IE8 fallback\n border-right-color: @popover-arrow-outer-color;\n &:after {\n content: \" \";\n left: 1px;\n bottom: -@popover-arrow-width;\n border-left-width: 0;\n border-right-color: @popover-arrow-color;\n }\n }\n &.bottom > .arrow {\n left: 50%;\n margin-left: -@popover-arrow-outer-width;\n border-top-width: 0;\n border-bottom-color: @popover-arrow-outer-fallback-color; // IE8 fallback\n border-bottom-color: @popover-arrow-outer-color;\n top: -@popover-arrow-outer-width;\n &:after {\n content: \" \";\n top: 1px;\n margin-left: -@popover-arrow-width;\n border-top-width: 0;\n border-bottom-color: @popover-arrow-color;\n }\n }\n\n &.left > .arrow {\n top: 50%;\n right: -@popover-arrow-outer-width;\n margin-top: -@popover-arrow-outer-width;\n border-right-width: 0;\n border-left-color: @popover-arrow-outer-fallback-color; // IE8 fallback\n border-left-color: @popover-arrow-outer-color;\n &:after {\n content: \" \";\n right: 1px;\n border-right-width: 0;\n border-left-color: @popover-arrow-color;\n bottom: -@popover-arrow-width;\n }\n }\n\n}\n","//\n// Carousel\n// --------------------------------------------------\n\n\n// Wrapper for the slide container and indicators\n.carousel {\n position: relative;\n}\n\n.carousel-inner {\n position: relative;\n overflow: hidden;\n width: 100%;\n\n > .item {\n display: none;\n position: relative;\n .transition(.6s ease-in-out left);\n\n // Account for jankitude on images\n > img,\n > a > img {\n &:extend(.img-responsive);\n line-height: 1;\n }\n }\n\n > .active,\n > .next,\n > .prev {\n display: block;\n }\n\n > .active {\n left: 0;\n }\n\n > .next,\n > .prev {\n position: absolute;\n top: 0;\n width: 100%;\n }\n\n > .next {\n left: 100%;\n }\n > .prev {\n left: -100%;\n }\n > .next.left,\n > .prev.right {\n left: 0;\n }\n\n > .active.left {\n left: -100%;\n }\n > .active.right {\n left: 100%;\n }\n\n}\n\n// Left/right controls for nav\n// ---------------------------\n\n.carousel-control {\n position: absolute;\n top: 0;\n left: 0;\n bottom: 0;\n width: @carousel-control-width;\n .opacity(@carousel-control-opacity);\n font-size: @carousel-control-font-size;\n color: @carousel-control-color;\n text-align: center;\n text-shadow: @carousel-text-shadow;\n // We can't have this transition here because WebKit cancels the carousel\n // animation if you trip this while in the middle of another animation.\n\n // Set gradients for backgrounds\n &.left {\n #gradient > .horizontal(@start-color: rgba(0,0,0,.5); @end-color: rgba(0,0,0,.0001));\n }\n &.right {\n left: auto;\n right: 0;\n #gradient > .horizontal(@start-color: rgba(0,0,0,.0001); @end-color: rgba(0,0,0,.5));\n }\n\n // Hover/focus state\n &:hover,\n &:focus {\n outline: 0;\n color: @carousel-control-color;\n text-decoration: none;\n .opacity(.9);\n }\n\n // Toggles\n .icon-prev,\n .icon-next,\n .glyphicon-chevron-left,\n .glyphicon-chevron-right {\n position: absolute;\n top: 50%;\n z-index: 5;\n display: inline-block;\n }\n .icon-prev,\n .glyphicon-chevron-left {\n left: 50%;\n margin-left: -10px;\n }\n .icon-next,\n .glyphicon-chevron-right {\n right: 50%;\n margin-right: -10px;\n }\n .icon-prev,\n .icon-next {\n width: 20px;\n height: 20px;\n margin-top: -10px;\n font-family: serif;\n }\n\n\n .icon-prev {\n &:before {\n content: '\\2039';// SINGLE LEFT-POINTING ANGLE QUOTATION MARK (U+2039)\n }\n }\n .icon-next {\n &:before {\n content: '\\203a';// SINGLE RIGHT-POINTING ANGLE QUOTATION MARK (U+203A)\n }\n }\n}\n\n// Optional indicator pips\n//\n// Add an unordered list with the following class and add a list item for each\n// slide your carousel holds.\n\n.carousel-indicators {\n position: absolute;\n bottom: 10px;\n left: 50%;\n z-index: 15;\n width: 60%;\n margin-left: -30%;\n padding-left: 0;\n list-style: none;\n text-align: center;\n\n li {\n display: inline-block;\n width: 10px;\n height: 10px;\n margin: 1px;\n text-indent: -999px;\n border: 1px solid @carousel-indicator-border-color;\n border-radius: 10px;\n cursor: pointer;\n\n // IE8-9 hack for event handling\n //\n // Internet Explorer 8-9 does not support clicks on elements without a set\n // `background-color`. We cannot use `filter` since that's not viewed as a\n // background color by the browser. Thus, a hack is needed.\n //\n // For IE8, we set solid black as it doesn't support `rgba()`. For IE9, we\n // set alpha transparency for the best results possible.\n background-color: #000 \\9; // IE8\n background-color: rgba(0,0,0,0); // IE9\n }\n .active {\n margin: 0;\n width: 12px;\n height: 12px;\n background-color: @carousel-indicator-active-bg;\n }\n}\n\n// Optional captions\n// -----------------------------\n// Hidden by default for smaller viewports\n.carousel-caption {\n position: absolute;\n left: 15%;\n right: 15%;\n bottom: 20px;\n z-index: 10;\n padding-top: 20px;\n padding-bottom: 20px;\n color: @carousel-caption-color;\n text-align: center;\n text-shadow: @carousel-text-shadow;\n & .btn {\n text-shadow: none; // No shadow for button elements in carousel-caption\n }\n}\n\n\n// Scale up controls for tablets and up\n@media screen and (min-width: @screen-sm-min) {\n\n // Scale up the controls a smidge\n .carousel-control {\n .glyphicon-chevron-left,\n .glyphicon-chevron-right,\n .icon-prev,\n .icon-next {\n width: 30px;\n height: 30px;\n margin-top: -15px;\n font-size: 30px;\n }\n .glyphicon-chevron-left,\n .icon-prev {\n margin-left: -15px;\n }\n .glyphicon-chevron-right,\n .icon-next {\n margin-right: -15px;\n }\n }\n\n // Show and left align the captions\n .carousel-caption {\n left: 20%;\n right: 20%;\n padding-bottom: 30px;\n }\n\n // Move up the indicators\n .carousel-indicators {\n bottom: 20px;\n }\n}\n","// Clearfix\n//\n// For modern browsers\n// 1. 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$this : $this.parent() + } + + $parent.trigger(e = $.Event('close.bs.alert')) + + if (e.isDefaultPrevented()) return + + $parent.removeClass('in') + + function removeElement() { + // detach from parent, fire event then clean up data + $parent.detach().trigger('closed.bs.alert').remove() + } + + $.support.transition && $parent.hasClass('fade') ? + $parent + .one('bsTransitionEnd', removeElement) + .emulateTransitionEnd(150) : + removeElement() + } + + + // ALERT PLUGIN DEFINITION + // ======================= + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.alert') + + if (!data) $this.data('bs.alert', (data = new Alert(this))) + if (typeof option == 'string') data[option].call($this) + }) + } + + var old = $.fn.alert + + $.fn.alert = Plugin + $.fn.alert.Constructor = Alert + + + // ALERT NO CONFLICT + // ================= + + $.fn.alert.noConflict = function () { + $.fn.alert = old + return this + } + + + // ALERT DATA-API + // ============== + + $(document).on('click.bs.alert.data-api', dismiss, Alert.prototype.close) + +}(jQuery); + +/* ======================================================================== + * Bootstrap: button.js v3.2.0 + * http://getbootstrap.com/javascript/#buttons + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // BUTTON PUBLIC CLASS DEFINITION + // ============================== + + var Button = function (element, options) { + this.$element = $(element) + this.options = $.extend({}, Button.DEFAULTS, options) + this.isLoading = false + } + + Button.VERSION = '3.2.0' + + Button.DEFAULTS = { + loadingText: 'loading...' + } + + Button.prototype.setState = function (state) { + var d = 'disabled' + var $el = this.$element + var val = $el.is('input') ? 'val' : 'html' + var data = $el.data() + + state = state + 'Text' + + if (data.resetText == null) $el.data('resetText', $el[val]()) + + $el[val](data[state] == null ? this.options[state] : data[state]) + + // push to event loop to allow forms to submit + setTimeout($.proxy(function () { + if (state == 'loadingText') { + this.isLoading = true + $el.addClass(d).attr(d, d) + } else if (this.isLoading) { + this.isLoading = false + $el.removeClass(d).removeAttr(d) + } + }, this), 0) + } + + Button.prototype.toggle = function () { + var changed = true + var $parent = this.$element.closest('[data-toggle="buttons"]') + + if ($parent.length) { + var $input = this.$element.find('input') + if ($input.prop('type') == 'radio') { + if ($input.prop('checked') && this.$element.hasClass('active')) changed = false + else $parent.find('.active').removeClass('active') + } + if (changed) $input.prop('checked', !this.$element.hasClass('active')).trigger('change') + } + + if (changed) this.$element.toggleClass('active') + } + + + // BUTTON PLUGIN DEFINITION + // ======================== + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.button') + var options = typeof option == 'object' && option + + if (!data) $this.data('bs.button', (data = new Button(this, options))) + + if (option == 'toggle') data.toggle() + else if (option) data.setState(option) + }) + } + + var old = $.fn.button + + $.fn.button = Plugin + $.fn.button.Constructor = Button + + + // BUTTON NO CONFLICT + // ================== + + $.fn.button.noConflict = function () { + $.fn.button = old + return this + } + + + // BUTTON DATA-API + // =============== + + $(document).on('click.bs.button.data-api', '[data-toggle^="button"]', function (e) { + var $btn = $(e.target) + if (!$btn.hasClass('btn')) $btn = $btn.closest('.btn') + Plugin.call($btn, 'toggle') + e.preventDefault() + }) + +}(jQuery); + +/* ======================================================================== + * Bootstrap: carousel.js v3.2.0 + * http://getbootstrap.com/javascript/#carousel + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // CAROUSEL CLASS DEFINITION + // ========================= + + var Carousel = function (element, options) { + this.$element = $(element).on('keydown.bs.carousel', $.proxy(this.keydown, this)) + this.$indicators = this.$element.find('.carousel-indicators') + this.options = options + this.paused = + this.sliding = + this.interval = + this.$active = + this.$items = null + + this.options.pause == 'hover' && this.$element + .on('mouseenter.bs.carousel', $.proxy(this.pause, this)) + .on('mouseleave.bs.carousel', $.proxy(this.cycle, this)) + } + + Carousel.VERSION = '3.2.0' + + Carousel.DEFAULTS = { + interval: 5000, + pause: 'hover', + wrap: true + } + + Carousel.prototype.keydown = function (e) { + switch (e.which) { + case 37: this.prev(); break + case 39: this.next(); break + default: return + } + + e.preventDefault() + } + + Carousel.prototype.cycle = function (e) { + e || (this.paused = false) + + this.interval && clearInterval(this.interval) + + this.options.interval + && !this.paused + && (this.interval = setInterval($.proxy(this.next, this), this.options.interval)) + + return this + } + + Carousel.prototype.getItemIndex = function (item) { + this.$items = item.parent().children('.item') + return this.$items.index(item || this.$active) + } + + Carousel.prototype.to = function (pos) { + var that = this + var activeIndex = this.getItemIndex(this.$active = this.$element.find('.item.active')) + + if (pos > (this.$items.length - 1) || pos < 0) return + + if (this.sliding) return this.$element.one('slid.bs.carousel', function () { that.to(pos) }) // yes, "slid" + if (activeIndex == pos) return this.pause().cycle() + + return this.slide(pos > activeIndex ? 'next' : 'prev', $(this.$items[pos])) + } + + Carousel.prototype.pause = function (e) { + e || (this.paused = true) + + if (this.$element.find('.next, .prev').length && $.support.transition) { + this.$element.trigger($.support.transition.end) + this.cycle(true) + } + + this.interval = clearInterval(this.interval) + + return this + } + + Carousel.prototype.next = function () { + if (this.sliding) return + return this.slide('next') + } + + Carousel.prototype.prev = function () { + if (this.sliding) return + return this.slide('prev') + } + + Carousel.prototype.slide = function (type, next) { + var $active = this.$element.find('.item.active') + var $next = next || $active[type]() + var isCycling = this.interval + var direction = type == 'next' ? 'left' : 'right' + var fallback = type == 'next' ? 'first' : 'last' + var that = this + + if (!$next.length) { + if (!this.options.wrap) return + $next = this.$element.find('.item')[fallback]() + } + + if ($next.hasClass('active')) return (this.sliding = false) + + var relatedTarget = $next[0] + var slideEvent = $.Event('slide.bs.carousel', { + relatedTarget: relatedTarget, + direction: direction + }) + this.$element.trigger(slideEvent) + if (slideEvent.isDefaultPrevented()) return + + this.sliding = true + + isCycling && this.pause() + + if (this.$indicators.length) { + this.$indicators.find('.active').removeClass('active') + var $nextIndicator = $(this.$indicators.children()[this.getItemIndex($next)]) + $nextIndicator && $nextIndicator.addClass('active') + } + + var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid" + if ($.support.transition && this.$element.hasClass('slide')) { + $next.addClass(type) + $next[0].offsetWidth // force reflow + $active.addClass(direction) + $next.addClass(direction) + $active + .one('bsTransitionEnd', function () { + $next.removeClass([type, direction].join(' ')).addClass('active') + $active.removeClass(['active', direction].join(' ')) + that.sliding = false + setTimeout(function () { + that.$element.trigger(slidEvent) + }, 0) + }) + .emulateTransitionEnd($active.css('transition-duration').slice(0, -1) * 1000) + } else { + $active.removeClass('active') + $next.addClass('active') + this.sliding = false + this.$element.trigger(slidEvent) + } + + isCycling && this.cycle() + + return this + } + + + // CAROUSEL PLUGIN DEFINITION + // ========================== + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.carousel') + var options = $.extend({}, Carousel.DEFAULTS, $this.data(), typeof option == 'object' && option) + var action = typeof option == 'string' ? option : options.slide + + if (!data) $this.data('bs.carousel', (data = new Carousel(this, options))) + if (typeof option == 'number') data.to(option) + else if (action) data[action]() + else if (options.interval) data.pause().cycle() + }) + } + + var old = $.fn.carousel + + $.fn.carousel = Plugin + $.fn.carousel.Constructor = Carousel + + + // CAROUSEL NO CONFLICT + // ==================== + + $.fn.carousel.noConflict = function () { + $.fn.carousel = old + return this + } + + + // CAROUSEL DATA-API + // ================= + + $(document).on('click.bs.carousel.data-api', '[data-slide], [data-slide-to]', function (e) { + var href + var $this = $(this) + var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7 + if (!$target.hasClass('carousel')) return + var options = $.extend({}, $target.data(), $this.data()) + var slideIndex = $this.attr('data-slide-to') + if (slideIndex) options.interval = false + + Plugin.call($target, options) + + if (slideIndex) { + $target.data('bs.carousel').to(slideIndex) + } + + e.preventDefault() + }) + + $(window).on('load', function () { + $('[data-ride="carousel"]').each(function () { + var $carousel = $(this) + Plugin.call($carousel, $carousel.data()) + }) + }) + +}(jQuery); + +/* ======================================================================== + * Bootstrap: collapse.js v3.2.0 + * http://getbootstrap.com/javascript/#collapse + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // COLLAPSE PUBLIC CLASS DEFINITION + // ================================ + + var Collapse = function (element, options) { + this.$element = $(element) + this.options = $.extend({}, Collapse.DEFAULTS, options) + this.transitioning = null + + if (this.options.parent) this.$parent = $(this.options.parent) + if (this.options.toggle) this.toggle() + } + + Collapse.VERSION = '3.2.0' + + Collapse.DEFAULTS = { + toggle: true + } + + Collapse.prototype.dimension = function () { + var hasWidth = this.$element.hasClass('width') + return hasWidth ? 'width' : 'height' + } + + Collapse.prototype.show = function () { + if (this.transitioning || this.$element.hasClass('in')) return + + var startEvent = $.Event('show.bs.collapse') + this.$element.trigger(startEvent) + if (startEvent.isDefaultPrevented()) return + + var actives = this.$parent && this.$parent.find('> .panel > .in') + + if (actives && actives.length) { + var hasData = actives.data('bs.collapse') + if (hasData && hasData.transitioning) return + Plugin.call(actives, 'hide') + hasData || actives.data('bs.collapse', null) + } + + var dimension = this.dimension() + + this.$element + .removeClass('collapse') + .addClass('collapsing')[dimension](0) + + this.transitioning = 1 + + var complete = function () { + this.$element + .removeClass('collapsing') + .addClass('collapse in')[dimension]('') + this.transitioning = 0 + this.$element + .trigger('shown.bs.collapse') + } + + if (!$.support.transition) return complete.call(this) + + var scrollSize = $.camelCase(['scroll', dimension].join('-')) + + this.$element + .one('bsTransitionEnd', $.proxy(complete, this)) + .emulateTransitionEnd(350)[dimension](this.$element[0][scrollSize]) + } + + Collapse.prototype.hide = function () { + if (this.transitioning || !this.$element.hasClass('in')) return + + var startEvent = $.Event('hide.bs.collapse') + this.$element.trigger(startEvent) + if (startEvent.isDefaultPrevented()) return + + var dimension = this.dimension() + + this.$element[dimension](this.$element[dimension]())[0].offsetHeight + + this.$element + .addClass('collapsing') + .removeClass('collapse') + .removeClass('in') + + this.transitioning = 1 + + var complete = function () { + this.transitioning = 0 + this.$element + .trigger('hidden.bs.collapse') + .removeClass('collapsing') + .addClass('collapse') + } + + if (!$.support.transition) return complete.call(this) + + this.$element + [dimension](0) + .one('bsTransitionEnd', $.proxy(complete, this)) + .emulateTransitionEnd(350) + } + + Collapse.prototype.toggle = function () { + this[this.$element.hasClass('in') ? 'hide' : 'show']() + } + + + // COLLAPSE PLUGIN DEFINITION + // ========================== + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.collapse') + var options = $.extend({}, Collapse.DEFAULTS, $this.data(), typeof option == 'object' && option) + + if (!data && options.toggle && option == 'show') option = !option + if (!data) $this.data('bs.collapse', (data = new Collapse(this, options))) + if (typeof option == 'string') data[option]() + }) + } + + var old = $.fn.collapse + + $.fn.collapse = Plugin + $.fn.collapse.Constructor = Collapse + + + // COLLAPSE NO CONFLICT + // ==================== + + $.fn.collapse.noConflict = function () { + $.fn.collapse = old + return this + } + + + // COLLAPSE DATA-API + // ================= + + $(document).on('click.bs.collapse.data-api', '[data-toggle="collapse"]', function (e) { + var href + var $this = $(this) + var target = $this.attr('data-target') + || e.preventDefault() + || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') // strip for ie7 + var $target = $(target) + var data = $target.data('bs.collapse') + var option = data ? 'toggle' : $this.data() + var parent = $this.attr('data-parent') + var $parent = parent && $(parent) + + if (!data || !data.transitioning) { + if ($parent) $parent.find('[data-toggle="collapse"][data-parent="' + parent + '"]').not($this).addClass('collapsed') + $this[$target.hasClass('in') ? 'addClass' : 'removeClass']('collapsed') + } + + Plugin.call($target, option) + }) + +}(jQuery); + +/* ======================================================================== + * Bootstrap: dropdown.js v3.2.0 + * http://getbootstrap.com/javascript/#dropdowns + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // DROPDOWN CLASS DEFINITION + // ========================= + + var backdrop = '.dropdown-backdrop' + var toggle = '[data-toggle="dropdown"]' + var Dropdown = function (element) { + $(element).on('click.bs.dropdown', this.toggle) + } + + Dropdown.VERSION = '3.2.0' + + Dropdown.prototype.toggle = function (e) { + var $this = $(this) + + if ($this.is('.disabled, :disabled')) return + + var $parent = getParent($this) + var isActive = $parent.hasClass('open') + + clearMenus() + + if (!isActive) { + if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) { + // if mobile we use a backdrop because click events don't delegate + $('<div class="dropdown-backdrop"/>').insertAfter($(this)).on('click', clearMenus) + } + + var relatedTarget = { relatedTarget: this } + $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget)) + + if (e.isDefaultPrevented()) return + + $this.trigger('focus') + + $parent + .toggleClass('open') + .trigger('shown.bs.dropdown', relatedTarget) + } + + return false + } + + Dropdown.prototype.keydown = function (e) { + if (!/(38|40|27)/.test(e.keyCode)) return + + var $this = $(this) + + e.preventDefault() + e.stopPropagation() + + if ($this.is('.disabled, :disabled')) return + + var $parent = getParent($this) + var isActive = $parent.hasClass('open') + + if (!isActive || (isActive && e.keyCode == 27)) { + if (e.which == 27) $parent.find(toggle).trigger('focus') + return $this.trigger('click') + } + + var desc = ' li:not(.divider):visible a' + var $items = $parent.find('[role="menu"]' + desc + ', [role="listbox"]' + desc) + + if (!$items.length) return + + var index = $items.index($items.filter(':focus')) + + if (e.keyCode == 38 && index > 0) index-- // up + if (e.keyCode == 40 && index < $items.length - 1) index++ // down + if (!~index) index = 0 + + $items.eq(index).trigger('focus') + } + + function clearMenus(e) { + if (e && e.which === 3) return + $(backdrop).remove() + $(toggle).each(function () { + var $parent = getParent($(this)) + var relatedTarget = { relatedTarget: this } + if (!$parent.hasClass('open')) return + $parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget)) + if (e.isDefaultPrevented()) return + $parent.removeClass('open').trigger('hidden.bs.dropdown', relatedTarget) + }) + } + + function getParent($this) { + var selector = $this.attr('data-target') + + if (!selector) { + selector = $this.attr('href') + selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7 + } + + var $parent = selector && $(selector) + + return $parent && $parent.length ? $parent : $this.parent() + } + + + // DROPDOWN PLUGIN DEFINITION + // ========================== + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.dropdown') + + if (!data) $this.data('bs.dropdown', (data = new Dropdown(this))) + if (typeof option == 'string') data[option].call($this) + }) + } + + var old = $.fn.dropdown + + $.fn.dropdown = Plugin + $.fn.dropdown.Constructor = Dropdown + + + // DROPDOWN NO CONFLICT + // ==================== + + $.fn.dropdown.noConflict = function () { + $.fn.dropdown = old + return this + } + + + // APPLY TO STANDARD DROPDOWN ELEMENTS + // =================================== + + $(document) + .on('click.bs.dropdown.data-api', clearMenus) + .on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() }) + .on('click.bs.dropdown.data-api', toggle, Dropdown.prototype.toggle) + .on('keydown.bs.dropdown.data-api', toggle + ', [role="menu"], [role="listbox"]', Dropdown.prototype.keydown) + +}(jQuery); + +/* ======================================================================== + * Bootstrap: modal.js v3.2.0 + * http://getbootstrap.com/javascript/#modals + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // MODAL CLASS DEFINITION + // ====================== + + var Modal = function (element, options) { + this.options = options + this.$body = $(document.body) + this.$element = $(element) + this.$backdrop = + this.isShown = null + this.scrollbarWidth = 0 + + if (this.options.remote) { + this.$element + .find('.modal-content') + .load(this.options.remote, $.proxy(function () { + this.$element.trigger('loaded.bs.modal') + }, this)) + } + } + + Modal.VERSION = '3.2.0' + + Modal.DEFAULTS = { + backdrop: true, + keyboard: true, + show: true + } + + Modal.prototype.toggle = function (_relatedTarget) { + return this.isShown ? this.hide() : this.show(_relatedTarget) + } + + Modal.prototype.show = function (_relatedTarget) { + var that = this + var e = $.Event('show.bs.modal', { relatedTarget: _relatedTarget }) + + this.$element.trigger(e) + + if (this.isShown || e.isDefaultPrevented()) return + + this.isShown = true + + this.checkScrollbar() + this.$body.addClass('modal-open') + + this.setScrollbar() + this.escape() + + this.$element.on('click.dismiss.bs.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this)) + + this.backdrop(function () { + var transition = $.support.transition && that.$element.hasClass('fade') + + if (!that.$element.parent().length) { + that.$element.appendTo(that.$body) // don't move modals dom position + } + + that.$element + .show() + .scrollTop(0) + + if (transition) { + that.$element[0].offsetWidth // force reflow + } + + that.$element + .addClass('in') + .attr('aria-hidden', false) + + that.enforceFocus() + + var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget }) + + transition ? + that.$element.find('.modal-dialog') // wait for modal to slide in + .one('bsTransitionEnd', function () { + that.$element.trigger('focus').trigger(e) + }) + .emulateTransitionEnd(300) : + that.$element.trigger('focus').trigger(e) + }) + } + + Modal.prototype.hide = function (e) { + if (e) e.preventDefault() + + e = $.Event('hide.bs.modal') + + this.$element.trigger(e) + + if (!this.isShown || e.isDefaultPrevented()) return + + this.isShown = false + + this.$body.removeClass('modal-open') + + this.resetScrollbar() + this.escape() + + $(document).off('focusin.bs.modal') + + this.$element + .removeClass('in') + .attr('aria-hidden', true) + .off('click.dismiss.bs.modal') + + $.support.transition && this.$element.hasClass('fade') ? + this.$element + .one('bsTransitionEnd', $.proxy(this.hideModal, this)) + .emulateTransitionEnd(300) : + this.hideModal() + } + + Modal.prototype.enforceFocus = function () { + $(document) + .off('focusin.bs.modal') // guard against infinite focus loop + .on('focusin.bs.modal', $.proxy(function (e) { + if (this.$element[0] !== e.target && !this.$element.has(e.target).length) { + this.$element.trigger('focus') + } + }, this)) + } + + Modal.prototype.escape = function () { + if (this.isShown && this.options.keyboard) { + this.$element.on('keyup.dismiss.bs.modal', $.proxy(function (e) { + e.which == 27 && this.hide() + }, this)) + } else if (!this.isShown) { + this.$element.off('keyup.dismiss.bs.modal') + } + } + + Modal.prototype.hideModal = function () { + var that = this + this.$element.hide() + this.backdrop(function () { + that.$element.trigger('hidden.bs.modal') + }) + } + + Modal.prototype.removeBackdrop = function () { + this.$backdrop && this.$backdrop.remove() + this.$backdrop = null + } + + Modal.prototype.backdrop = function (callback) { + var that = this + var animate = this.$element.hasClass('fade') ? 'fade' : '' + + if (this.isShown && this.options.backdrop) { + var doAnimate = $.support.transition && animate + + this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />') + .appendTo(this.$body) + + this.$element.on('click.dismiss.bs.modal', $.proxy(function (e) { + if (e.target !== e.currentTarget) return + this.options.backdrop == 'static' + ? this.$element[0].focus.call(this.$element[0]) + : this.hide.call(this) + }, this)) + + if (doAnimate) this.$backdrop[0].offsetWidth // force reflow + + this.$backdrop.addClass('in') + + if (!callback) return + + doAnimate ? + this.$backdrop + .one('bsTransitionEnd', callback) + .emulateTransitionEnd(150) : + callback() + + } else if (!this.isShown && this.$backdrop) { + this.$backdrop.removeClass('in') + + var callbackRemove = function () { + that.removeBackdrop() + callback && callback() + } + $.support.transition && this.$element.hasClass('fade') ? + this.$backdrop + .one('bsTransitionEnd', callbackRemove) + .emulateTransitionEnd(150) : + callbackRemove() + + } else if (callback) { + callback() + } + } + + Modal.prototype.checkScrollbar = function () { + if (document.body.clientWidth >= window.innerWidth) return + this.scrollbarWidth = this.scrollbarWidth || this.measureScrollbar() + } + + Modal.prototype.setScrollbar = function () { + var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10) + if (this.scrollbarWidth) this.$body.css('padding-right', bodyPad + this.scrollbarWidth) + } + + Modal.prototype.resetScrollbar = function () { + this.$body.css('padding-right', '') + } + + Modal.prototype.measureScrollbar = function () { // thx walsh + var scrollDiv = document.createElement('div') + scrollDiv.className = 'modal-scrollbar-measure' + this.$body.append(scrollDiv) + var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth + this.$body[0].removeChild(scrollDiv) + return scrollbarWidth + } + + + // MODAL PLUGIN DEFINITION + // ======================= + + function Plugin(option, _relatedTarget) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.modal') + var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option) + + if (!data) $this.data('bs.modal', (data = new Modal(this, options))) + if (typeof option == 'string') data[option](_relatedTarget) + else if (options.show) data.show(_relatedTarget) + }) + } + + var old = $.fn.modal + + $.fn.modal = Plugin + $.fn.modal.Constructor = Modal + + + // MODAL NO CONFLICT + // ================= + + $.fn.modal.noConflict = function () { + $.fn.modal = old + return this + } + + + // MODAL DATA-API + // ============== + + $(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) { + var $this = $(this) + var href = $this.attr('href') + var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7 + var option = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data()) + + if ($this.is('a')) e.preventDefault() + + $target.one('show.bs.modal', function (showEvent) { + if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown + $target.one('hidden.bs.modal', function () { + $this.is(':visible') && $this.trigger('focus') + }) + }) + Plugin.call($target, option, this) + }) + +}(jQuery); + +/* ======================================================================== + * Bootstrap: tooltip.js v3.2.0 + * http://getbootstrap.com/javascript/#tooltip + * Inspired by the original jQuery.tipsy by Jason Frame + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // TOOLTIP PUBLIC CLASS DEFINITION + // =============================== + + var Tooltip = function (element, options) { + this.type = + this.options = + this.enabled = + this.timeout = + this.hoverState = + this.$element = null + + this.init('tooltip', element, options) + } + + Tooltip.VERSION = '3.2.0' + + Tooltip.DEFAULTS = { + animation: true, + placement: 'top', + selector: false, + template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>', + trigger: 'hover focus', + title: '', + delay: 0, + html: false, + container: false, + viewport: { + selector: 'body', + padding: 0 + } + } + + Tooltip.prototype.init = function (type, element, options) { + this.enabled = true + this.type = type + this.$element = $(element) + this.options = this.getOptions(options) + this.$viewport = this.options.viewport && $(this.options.viewport.selector || this.options.viewport) + + var triggers = this.options.trigger.split(' ') + + for (var i = triggers.length; i--;) { + var trigger = triggers[i] + + if (trigger == 'click') { + this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this)) + } else if (trigger != 'manual') { + var eventIn = trigger == 'hover' ? 'mouseenter' : 'focusin' + var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout' + + this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this)) + this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this)) + } + } + + this.options.selector ? + (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) : + this.fixTitle() + } + + Tooltip.prototype.getDefaults = function () { + return Tooltip.DEFAULTS + } + + Tooltip.prototype.getOptions = function (options) { + options = $.extend({}, this.getDefaults(), this.$element.data(), options) + + if (options.delay && typeof options.delay == 'number') { + options.delay = { + show: options.delay, + hide: options.delay + } + } + + return options + } + + Tooltip.prototype.getDelegateOptions = function () { + var options = {} + var defaults = this.getDefaults() + + this._options && $.each(this._options, function (key, value) { + if (defaults[key] != value) options[key] = value + }) + + return options + } + + Tooltip.prototype.enter = function (obj) { + var self = obj instanceof this.constructor ? + obj : $(obj.currentTarget).data('bs.' + this.type) + + if (!self) { + self = new this.constructor(obj.currentTarget, this.getDelegateOptions()) + $(obj.currentTarget).data('bs.' + this.type, self) + } + + clearTimeout(self.timeout) + + self.hoverState = 'in' + + if (!self.options.delay || !self.options.delay.show) return self.show() + + self.timeout = setTimeout(function () { + if (self.hoverState == 'in') self.show() + }, self.options.delay.show) + } + + Tooltip.prototype.leave = function (obj) { + var self = obj instanceof this.constructor ? + obj : $(obj.currentTarget).data('bs.' + this.type) + + if (!self) { + self = new this.constructor(obj.currentTarget, this.getDelegateOptions()) + $(obj.currentTarget).data('bs.' + this.type, self) + } + + clearTimeout(self.timeout) + + self.hoverState = 'out' + + if (!self.options.delay || !self.options.delay.hide) return self.hide() + + self.timeout = setTimeout(function () { + if (self.hoverState == 'out') self.hide() + }, self.options.delay.hide) + } + + Tooltip.prototype.show = function () { + var e = $.Event('show.bs.' + this.type) + + if (this.hasContent() && this.enabled) { + this.$element.trigger(e) + + var inDom = $.contains(document.documentElement, this.$element[0]) + if (e.isDefaultPrevented() || !inDom) return + var that = this + + var $tip = this.tip() + + var tipId = this.getUID(this.type) + + this.setContent() + $tip.attr('id', tipId) + this.$element.attr('aria-describedby', tipId) + + if (this.options.animation) $tip.addClass('fade') + + var placement = typeof this.options.placement == 'function' ? + this.options.placement.call(this, $tip[0], this.$element[0]) : + this.options.placement + + var autoToken = /\s?auto?\s?/i + var autoPlace = autoToken.test(placement) + if (autoPlace) placement = placement.replace(autoToken, '') || 'top' + + $tip + .detach() + .css({ top: 0, left: 0, display: 'block' }) + .addClass(placement) + .data('bs.' + this.type, this) + + this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element) + + var pos = this.getPosition() + var actualWidth = $tip[0].offsetWidth + var actualHeight = $tip[0].offsetHeight + + if (autoPlace) { + var orgPlacement = placement + var $parent = this.$element.parent() + var parentDim = this.getPosition($parent) + + placement = placement == 'bottom' && pos.top + pos.height + actualHeight - parentDim.scroll > parentDim.height ? 'top' : + placement == 'top' && pos.top - parentDim.scroll - actualHeight < 0 ? 'bottom' : + placement == 'right' && pos.right + actualWidth > parentDim.width ? 'left' : + placement == 'left' && pos.left - actualWidth < parentDim.left ? 'right' : + placement + + $tip + .removeClass(orgPlacement) + .addClass(placement) + } + + var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight) + + this.applyPlacement(calculatedOffset, placement) + + var complete = function () { + that.$element.trigger('shown.bs.' + that.type) + that.hoverState = null + } + + $.support.transition && this.$tip.hasClass('fade') ? + $tip + .one('bsTransitionEnd', complete) + .emulateTransitionEnd(150) : + complete() + } + } + + Tooltip.prototype.applyPlacement = function (offset, placement) { + var $tip = this.tip() + var width = $tip[0].offsetWidth + var height = $tip[0].offsetHeight + + // manually read margins because getBoundingClientRect includes difference + var marginTop = parseInt($tip.css('margin-top'), 10) + var marginLeft = parseInt($tip.css('margin-left'), 10) + + // we must check for NaN for ie 8/9 + if (isNaN(marginTop)) marginTop = 0 + if (isNaN(marginLeft)) marginLeft = 0 + + offset.top = offset.top + marginTop + offset.left = offset.left + marginLeft + + // $.fn.offset doesn't round pixel values + // so we use setOffset directly with our own function B-0 + $.offset.setOffset($tip[0], $.extend({ + using: function (props) { + $tip.css({ + top: Math.round(props.top), + left: Math.round(props.left) + }) + } + }, offset), 0) + + $tip.addClass('in') + + // check to see if placing tip in new offset caused the tip to resize itself + var actualWidth = $tip[0].offsetWidth + var actualHeight = $tip[0].offsetHeight + + if (placement == 'top' && actualHeight != height) { + offset.top = offset.top + height - actualHeight + } + + var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight) + + if (delta.left) offset.left += delta.left + else offset.top += delta.top + + var arrowDelta = delta.left ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight + var arrowPosition = delta.left ? 'left' : 'top' + var arrowOffsetPosition = delta.left ? 'offsetWidth' : 'offsetHeight' + + $tip.offset(offset) + this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], arrowPosition) + } + + Tooltip.prototype.replaceArrow = function (delta, dimension, position) { + this.arrow().css(position, delta ? (50 * (1 - delta / dimension) + '%') : '') + } + + Tooltip.prototype.setContent = function () { + var $tip = this.tip() + var title = this.getTitle() + + $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title) + $tip.removeClass('fade in top bottom left right') + } + + Tooltip.prototype.hide = function () { + var that = this + var $tip = this.tip() + var e = $.Event('hide.bs.' + this.type) + + this.$element.removeAttr('aria-describedby') + + function complete() { + if (that.hoverState != 'in') $tip.detach() + that.$element.trigger('hidden.bs.' + that.type) + } + + this.$element.trigger(e) + + if (e.isDefaultPrevented()) return + + $tip.removeClass('in') + + $.support.transition && this.$tip.hasClass('fade') ? + $tip + .one('bsTransitionEnd', complete) + .emulateTransitionEnd(150) : + complete() + + this.hoverState = null + + return this + } + + Tooltip.prototype.fixTitle = function () { + var $e = this.$element + if ($e.attr('title') || typeof ($e.attr('data-original-title')) != 'string') { + $e.attr('data-original-title', $e.attr('title') || '').attr('title', '') + } + } + + Tooltip.prototype.hasContent = function () { + return this.getTitle() + } + + Tooltip.prototype.getPosition = function ($element) { + $element = $element || this.$element + var el = $element[0] + var isBody = el.tagName == 'BODY' + return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : null, { + scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop(), + width: isBody ? $(window).width() : $element.outerWidth(), + height: isBody ? $(window).height() : $element.outerHeight() + }, isBody ? { top: 0, left: 0 } : $element.offset()) + } + + Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) { + return placement == 'bottom' ? { top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 } : + placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } : + placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } : + /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width } + + } + + Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) { + var delta = { top: 0, left: 0 } + if (!this.$viewport) return delta + + var viewportPadding = this.options.viewport && this.options.viewport.padding || 0 + var viewportDimensions = this.getPosition(this.$viewport) + + if (/right|left/.test(placement)) { + var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll + var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight + if (topEdgeOffset < viewportDimensions.top) { // top overflow + delta.top = viewportDimensions.top - topEdgeOffset + } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow + delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset + } + } else { + var leftEdgeOffset = pos.left - viewportPadding + var rightEdgeOffset = pos.left + viewportPadding + actualWidth + if (leftEdgeOffset < viewportDimensions.left) { // left overflow + delta.left = viewportDimensions.left - leftEdgeOffset + } else if (rightEdgeOffset > viewportDimensions.width) { // right overflow + delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset + } + } + + return delta + } + + Tooltip.prototype.getTitle = function () { + var title + var $e = this.$element + var o = this.options + + title = $e.attr('data-original-title') + || (typeof o.title == 'function' ? o.title.call($e[0]) : o.title) + + return title + } + + Tooltip.prototype.getUID = function (prefix) { + do prefix += ~~(Math.random() * 1000000) + while (document.getElementById(prefix)) + return prefix + } + + Tooltip.prototype.tip = function () { + return (this.$tip = this.$tip || $(this.options.template)) + } + + Tooltip.prototype.arrow = function () { + return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow')) + } + + Tooltip.prototype.validate = function () { + if (!this.$element[0].parentNode) { + this.hide() + this.$element = null + this.options = null + } + } + + Tooltip.prototype.enable = function () { + this.enabled = true + } + + Tooltip.prototype.disable = function () { + this.enabled = false + } + + Tooltip.prototype.toggleEnabled = function () { + this.enabled = !this.enabled + } + + Tooltip.prototype.toggle = function (e) { + var self = this + if (e) { + self = $(e.currentTarget).data('bs.' + this.type) + if (!self) { + self = new this.constructor(e.currentTarget, this.getDelegateOptions()) + $(e.currentTarget).data('bs.' + this.type, self) + } + } + + self.tip().hasClass('in') ? self.leave(self) : self.enter(self) + } + + Tooltip.prototype.destroy = function () { + clearTimeout(this.timeout) + this.hide().$element.off('.' + this.type).removeData('bs.' + this.type) + } + + + // TOOLTIP PLUGIN DEFINITION + // ========================= + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.tooltip') + var options = typeof option == 'object' && option + + if (!data && option == 'destroy') return + if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options))) + if (typeof option == 'string') data[option]() + }) + } + + var old = $.fn.tooltip + + $.fn.tooltip = Plugin + $.fn.tooltip.Constructor = Tooltip + + + // TOOLTIP NO CONFLICT + // =================== + + $.fn.tooltip.noConflict = function () { + $.fn.tooltip = old + return this + } + +}(jQuery); + +/* ======================================================================== + * Bootstrap: popover.js v3.2.0 + * http://getbootstrap.com/javascript/#popovers + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // POPOVER PUBLIC CLASS DEFINITION + // =============================== + + var Popover = function (element, options) { + this.init('popover', element, options) + } + + if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js') + + Popover.VERSION = '3.2.0' + + Popover.DEFAULTS = $.extend({}, $.fn.tooltip.Constructor.DEFAULTS, { + placement: 'right', + trigger: 'click', + content: '', + template: '<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>' + }) + + + // NOTE: POPOVER EXTENDS tooltip.js + // ================================ + + Popover.prototype = $.extend({}, $.fn.tooltip.Constructor.prototype) + + Popover.prototype.constructor = Popover + + Popover.prototype.getDefaults = function () { + return Popover.DEFAULTS + } + + Popover.prototype.setContent = function () { + var $tip = this.tip() + var title = this.getTitle() + var content = this.getContent() + + $tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title) + $tip.find('.popover-content').empty()[ // we use append for html objects to maintain js events + this.options.html ? (typeof content == 'string' ? 'html' : 'append') : 'text' + ](content) + + $tip.removeClass('fade top bottom left right in') + + // IE8 doesn't accept hiding via the `:empty` pseudo selector, we have to do + // this manually by checking the contents. + if (!$tip.find('.popover-title').html()) $tip.find('.popover-title').hide() + } + + Popover.prototype.hasContent = function () { + return this.getTitle() || this.getContent() + } + + Popover.prototype.getContent = function () { + var $e = this.$element + var o = this.options + + return $e.attr('data-content') + || (typeof o.content == 'function' ? + o.content.call($e[0]) : + o.content) + } + + Popover.prototype.arrow = function () { + return (this.$arrow = this.$arrow || this.tip().find('.arrow')) + } + + Popover.prototype.tip = function () { + if (!this.$tip) this.$tip = $(this.options.template) + return this.$tip + } + + + // POPOVER PLUGIN DEFINITION + // ========================= + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.popover') + var options = typeof option == 'object' && option + + if (!data && option == 'destroy') return + if (!data) $this.data('bs.popover', (data = new Popover(this, options))) + if (typeof option == 'string') data[option]() + }) + } + + var old = $.fn.popover + + $.fn.popover = Plugin + $.fn.popover.Constructor = Popover + + + // POPOVER NO CONFLICT + // =================== + + $.fn.popover.noConflict = function () { + $.fn.popover = old + return this + } + +}(jQuery); + +/* ======================================================================== + * Bootstrap: scrollspy.js v3.2.0 + * http://getbootstrap.com/javascript/#scrollspy + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // SCROLLSPY CLASS DEFINITION + // ========================== + + function ScrollSpy(element, options) { + var process = $.proxy(this.process, this) + + this.$body = $('body') + this.$scrollElement = $(element).is('body') ? $(window) : $(element) + this.options = $.extend({}, ScrollSpy.DEFAULTS, options) + this.selector = (this.options.target || '') + ' .nav li > a' + this.offsets = [] + this.targets = [] + this.activeTarget = null + this.scrollHeight = 0 + + this.$scrollElement.on('scroll.bs.scrollspy', process) + this.refresh() + this.process() + } + + ScrollSpy.VERSION = '3.2.0' + + ScrollSpy.DEFAULTS = { + offset: 10 + } + + ScrollSpy.prototype.getScrollHeight = function () { + return this.$scrollElement[0].scrollHeight || Math.max(this.$body[0].scrollHeight, document.documentElement.scrollHeight) + } + + ScrollSpy.prototype.refresh = function () { + var offsetMethod = 'offset' + var offsetBase = 0 + + if (!$.isWindow(this.$scrollElement[0])) { + offsetMethod = 'position' + offsetBase = this.$scrollElement.scrollTop() + } + + this.offsets = [] + this.targets = [] + this.scrollHeight = this.getScrollHeight() + + var self = this + + this.$body + .find(this.selector) + .map(function () { + var $el = $(this) + var href = $el.data('target') || $el.attr('href') + var $href = /^#./.test(href) && $(href) + + return ($href + && $href.length + && $href.is(':visible') + && [[$href[offsetMethod]().top + offsetBase, href]]) || null + }) + .sort(function (a, b) { return a[0] - b[0] }) + .each(function () { + self.offsets.push(this[0]) + self.targets.push(this[1]) + }) + } + + ScrollSpy.prototype.process = function () { + var scrollTop = this.$scrollElement.scrollTop() + this.options.offset + var scrollHeight = this.getScrollHeight() + var maxScroll = this.options.offset + scrollHeight - this.$scrollElement.height() + var offsets = this.offsets + var targets = this.targets + var activeTarget = this.activeTarget + var i + + if (this.scrollHeight != scrollHeight) { + this.refresh() + } + + if (scrollTop >= maxScroll) { + return activeTarget != (i = targets[targets.length - 1]) && this.activate(i) + } + + if (activeTarget && scrollTop <= offsets[0]) { + return activeTarget != (i = targets[0]) && this.activate(i) + } + + for (i = offsets.length; i--;) { + activeTarget != targets[i] + && scrollTop >= offsets[i] + && (!offsets[i + 1] || scrollTop <= offsets[i + 1]) + && this.activate(targets[i]) + } + } + + ScrollSpy.prototype.activate = function (target) { + this.activeTarget = target + + $(this.selector) + .parentsUntil(this.options.target, '.active') + .removeClass('active') + + var selector = this.selector + + '[data-target="' + target + '"],' + + this.selector + '[href="' + target + '"]' + + var active = $(selector) + .parents('li') + .addClass('active') + + if (active.parent('.dropdown-menu').length) { + active = active + .closest('li.dropdown') + .addClass('active') + } + + active.trigger('activate.bs.scrollspy') + } + + + // SCROLLSPY PLUGIN DEFINITION + // =========================== + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.scrollspy') + var options = typeof option == 'object' && option + + if (!data) $this.data('bs.scrollspy', (data = new ScrollSpy(this, options))) + if (typeof option == 'string') data[option]() + }) + } + + var old = $.fn.scrollspy + + $.fn.scrollspy = Plugin + $.fn.scrollspy.Constructor = ScrollSpy + + + // SCROLLSPY NO CONFLICT + // ===================== + + $.fn.scrollspy.noConflict = function () { + $.fn.scrollspy = old + return this + } + + + // SCROLLSPY DATA-API + // ================== + + $(window).on('load.bs.scrollspy.data-api', function () { + $('[data-spy="scroll"]').each(function () { + var $spy = $(this) + Plugin.call($spy, $spy.data()) + }) + }) + +}(jQuery); + +/* ======================================================================== + * Bootstrap: tab.js v3.2.0 + * http://getbootstrap.com/javascript/#tabs + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // TAB CLASS DEFINITION + // ==================== + + var Tab = function (element) { + this.element = $(element) + } + + Tab.VERSION = '3.2.0' + + Tab.prototype.show = function () { + var $this = this.element + var $ul = $this.closest('ul:not(.dropdown-menu)') + var selector = $this.data('target') + + if (!selector) { + selector = $this.attr('href') + selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7 + } + + if ($this.parent('li').hasClass('active')) return + + var previous = $ul.find('.active:last a')[0] + var e = $.Event('show.bs.tab', { + relatedTarget: previous + }) + + $this.trigger(e) + + if (e.isDefaultPrevented()) return + + var $target = $(selector) + + this.activate($this.closest('li'), $ul) + this.activate($target, $target.parent(), function () { + $this.trigger({ + type: 'shown.bs.tab', + relatedTarget: previous + }) + }) + } + + Tab.prototype.activate = function (element, container, callback) { + var $active = container.find('> .active') + var transition = callback + && $.support.transition + && $active.hasClass('fade') + + function next() { + $active + .removeClass('active') + .find('> .dropdown-menu > .active') + .removeClass('active') + + element.addClass('active') + + if (transition) { + element[0].offsetWidth // reflow for transition + element.addClass('in') + } else { + element.removeClass('fade') + } + + if (element.parent('.dropdown-menu')) { + element.closest('li.dropdown').addClass('active') + } + + callback && callback() + } + + transition ? + $active + .one('bsTransitionEnd', next) + .emulateTransitionEnd(150) : + next() + + $active.removeClass('in') + } + + + // TAB PLUGIN DEFINITION + // ===================== + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.tab') + + if (!data) $this.data('bs.tab', (data = new Tab(this))) + if (typeof option == 'string') data[option]() + }) + } + + var old = $.fn.tab + + $.fn.tab = Plugin + $.fn.tab.Constructor = Tab + + + // TAB NO CONFLICT + // =============== + + $.fn.tab.noConflict = function () { + $.fn.tab = old + return this + } + + + // TAB DATA-API + // ============ + + $(document).on('click.bs.tab.data-api', '[data-toggle="tab"], [data-toggle="pill"]', function (e) { + e.preventDefault() + Plugin.call($(this), 'show') + }) + +}(jQuery); + +/* ======================================================================== + * Bootstrap: affix.js v3.2.0 + * http://getbootstrap.com/javascript/#affix + * ======================================================================== + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * ======================================================================== */ + + ++function ($) { + 'use strict'; + + // AFFIX CLASS DEFINITION + // ====================== + + var Affix = function (element, options) { + this.options = $.extend({}, Affix.DEFAULTS, options) + + this.$target = $(this.options.target) + .on('scroll.bs.affix.data-api', $.proxy(this.checkPosition, this)) + .on('click.bs.affix.data-api', $.proxy(this.checkPositionWithEventLoop, this)) + + this.$element = $(element) + this.affixed = + this.unpin = + this.pinnedOffset = null + + this.checkPosition() + } + + Affix.VERSION = '3.2.0' + + Affix.RESET = 'affix affix-top affix-bottom' + + Affix.DEFAULTS = { + offset: 0, + target: window + } + + Affix.prototype.getPinnedOffset = function () { + if (this.pinnedOffset) return this.pinnedOffset + this.$element.removeClass(Affix.RESET).addClass('affix') + var scrollTop = this.$target.scrollTop() + var position = this.$element.offset() + return (this.pinnedOffset = position.top - scrollTop) + } + + Affix.prototype.checkPositionWithEventLoop = function () { + setTimeout($.proxy(this.checkPosition, this), 1) + } + + Affix.prototype.checkPosition = function () { + if (!this.$element.is(':visible')) return + + var scrollHeight = $(document).height() + var scrollTop = this.$target.scrollTop() + var position = this.$element.offset() + var offset = this.options.offset + var offsetTop = offset.top + var offsetBottom = offset.bottom + + if (typeof offset != 'object') offsetBottom = offsetTop = offset + if (typeof offsetTop == 'function') offsetTop = offset.top(this.$element) + if (typeof offsetBottom == 'function') offsetBottom = offset.bottom(this.$element) + + var affix = this.unpin != null && (scrollTop + this.unpin <= position.top) ? false : + offsetBottom != null && (position.top + this.$element.height() >= scrollHeight - offsetBottom) ? 'bottom' : + offsetTop != null && (scrollTop <= offsetTop) ? 'top' : false + + if (this.affixed === affix) return + if (this.unpin != null) this.$element.css('top', '') + + var affixType = 'affix' + (affix ? '-' + affix : '') + var e = $.Event(affixType + '.bs.affix') + + this.$element.trigger(e) + + if (e.isDefaultPrevented()) return + + this.affixed = affix + this.unpin = affix == 'bottom' ? this.getPinnedOffset() : null + + this.$element + .removeClass(Affix.RESET) + .addClass(affixType) + .trigger($.Event(affixType.replace('affix', 'affixed'))) + + if (affix == 'bottom') { + this.$element.offset({ + top: scrollHeight - this.$element.height() - offsetBottom + }) + } + } + + + // AFFIX PLUGIN DEFINITION + // ======================= + + function Plugin(option) { + return this.each(function () { + var $this = $(this) + var data = $this.data('bs.affix') + var options = typeof option == 'object' && option + + if (!data) $this.data('bs.affix', (data = new Affix(this, options))) + if (typeof option == 'string') data[option]() + }) + } + + var old = $.fn.affix + + $.fn.affix = Plugin + $.fn.affix.Constructor = Affix + + + // AFFIX NO CONFLICT + // ================= + + $.fn.affix.noConflict = function () { + $.fn.affix = old + return this + } + + + // AFFIX DATA-API + // ============== + + $(window).on('load', function () { + $('[data-spy="affix"]').each(function () { + var $spy = $(this) + var data = $spy.data() + + data.offset = data.offset || {} + + if (data.offsetBottom) data.offset.bottom = data.offsetBottom + if (data.offsetTop) data.offset.top = data.offsetTop + + Plugin.call($spy, data) + }) + }) + +}(jQuery); diff --git a/libs/bootstrap-3.2.0/js/bootstrap.min.js b/libs/bootstrap-3.2.0/js/bootstrap.min.js new file mode 100644 index 0000000..7c1561a --- /dev/null +++ b/libs/bootstrap-3.2.0/js/bootstrap.min.js @@ -0,0 +1,6 @@ +/*! + * Bootstrap v3.2.0 (http://getbootstrap.com) + * Copyright 2011-2014 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + */ +if("undefined"==typeof jQuery)throw new Error("Bootstrap's JavaScript requires jQuery");+function(a){"use strict";function b(){var 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\ No newline at end of file diff --git a/libs/phpseclib-0.3.7/Crypt/AES.php b/libs/phpseclib-0.3.7/Crypt/AES.php new file mode 100644 index 0000000..67fc5e4 --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/AES.php @@ -0,0 +1,155 @@ +<?php
+
+/**
+ * Pure-PHP implementation of AES.
+ *
+ * Uses mcrypt, if available/possible, and an internal implementation, otherwise.
+ *
+ * PHP versions 4 and 5
+ *
+ * If {@link Crypt_AES::setKeyLength() setKeyLength()} isn't called, it'll be calculated from
+ * {@link Crypt_AES::setKey() setKey()}. ie. if the key is 128-bits, the key length will be 128-bits. If it's 136-bits
+ * it'll be null-padded to 192-bits and 192 bits will be the key length until {@link Crypt_AES::setKey() setKey()}
+ * is called, again, at which point, it'll be recalculated.
+ *
+ * Since Crypt_AES extends Crypt_Rijndael, some functions are available to be called that, in the context of AES, don't
+ * make a whole lot of sense. {@link Crypt_AES::setBlockLength() setBlockLength()}, for instance. Calling that function,
+ * however possible, won't do anything (AES has a fixed block length whereas Rijndael has a variable one).
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/AES.php';
+ *
+ * $aes = new Crypt_AES();
+ *
+ * $aes->setKey('abcdefghijklmnop');
+ *
+ * $size = 10 * 1024;
+ * $plaintext = '';
+ * for ($i = 0; $i < $size; $i++) {
+ * $plaintext.= 'a';
+ * }
+ *
+ * echo $aes->decrypt($aes->encrypt($plaintext));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_AES
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVIII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_Rijndael
+ */
+if (!class_exists('Crypt_Rijndael')) {
+ include_once 'Rijndael.php';
+}
+
+/**#@+
+ * @access public
+ * @see Crypt_AES::encrypt()
+ * @see Crypt_AES::decrypt()
+ */
+/**
+ * Encrypt / decrypt using the Counter mode.
+ *
+ * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29
+ */
+define('CRYPT_AES_MODE_CTR', CRYPT_MODE_CTR);
+/**
+ * Encrypt / decrypt using the Electronic Code Book mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29
+ */
+define('CRYPT_AES_MODE_ECB', CRYPT_MODE_ECB);
+/**
+ * Encrypt / decrypt using the Code Book Chaining mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29
+ */
+define('CRYPT_AES_MODE_CBC', CRYPT_MODE_CBC);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29
+ */
+define('CRYPT_AES_MODE_CFB', CRYPT_MODE_CFB);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29
+ */
+define('CRYPT_AES_MODE_OFB', CRYPT_MODE_OFB);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_Base::Crypt_Base()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_AES_MODE_INTERNAL', CRYPT_MODE_INTERNAL);
+/**
+ * Toggles the mcrypt implementation
+ */
+define('CRYPT_AES_MODE_MCRYPT', CRYPT_MODE_MCRYPT);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of AES.
+ *
+ * @package Crypt_AES
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Crypt_AES extends Crypt_Rijndael
+{
+ /**
+ * The namespace used by the cipher for its constants.
+ *
+ * @see Crypt_Base::const_namespace
+ * @var String
+ * @access private
+ */
+ var $const_namespace = 'AES';
+
+ /**
+ * Dummy function
+ *
+ * Since Crypt_AES extends Crypt_Rijndael, this function is, technically, available, but it doesn't do anything.
+ *
+ * @see Crypt_Rijndael::setBlockLength()
+ * @access public
+ * @param Integer $length
+ */
+ function setBlockLength($length)
+ {
+ return;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/Base.php b/libs/phpseclib-0.3.7/Crypt/Base.php new file mode 100644 index 0000000..ec1788f --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/Base.php @@ -0,0 +1,2011 @@ +<?php
+
+/**
+ * Base Class for all Crypt_* cipher classes
+ *
+ * PHP versions 4 and 5
+ *
+ * Internally for phpseclib developers:
+ * If you plan to add a new cipher class, please note following rules:
+ *
+ * - The new Crypt_* cipher class should extend Crypt_Base
+ *
+ * - Following methods are then required to be overridden/overloaded:
+ *
+ * - _encryptBlock()
+ *
+ * - _decryptBlock()
+ *
+ * - _setupKey()
+ *
+ * - All other methods are optional to be overridden/overloaded
+ *
+ * - Look at the source code of the current ciphers how they extend Crypt_Base
+ * and take one of them as a start up for the new cipher class.
+ *
+ * - Please read all the other comments/notes/hints here also for each class var/method
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_Base
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @author Hans-Juergen Petrich <petrich@tronic-media.com>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**#@+
+ * @access public
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_Base::decrypt()
+ */
+/**
+ * Encrypt / decrypt using the Counter mode.
+ *
+ * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29
+ */
+define('CRYPT_MODE_CTR', -1);
+/**
+ * Encrypt / decrypt using the Electronic Code Book mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29
+ */
+define('CRYPT_MODE_ECB', 1);
+/**
+ * Encrypt / decrypt using the Code Book Chaining mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29
+ */
+define('CRYPT_MODE_CBC', 2);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29
+ */
+define('CRYPT_MODE_CFB', 3);
+/**
+ * Encrypt / decrypt using the Output Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29
+ */
+define('CRYPT_MODE_OFB', 4);
+/**
+ * Encrypt / decrypt using streaming mode.
+ *
+ */
+define('CRYPT_MODE_STREAM', 5);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_Base::Crypt_Base()
+ */
+/**
+ * Base value for the internal implementation $engine switch
+ */
+define('CRYPT_MODE_INTERNAL', 1);
+/**
+ * Base value for the mcrypt implementation $engine switch
+ */
+define('CRYPT_MODE_MCRYPT', 2);
+/**#@-*/
+
+/**
+ * Base Class for all Crypt_* cipher classes
+ *
+ * @package Crypt_Base
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @author Hans-Juergen Petrich <petrich@tronic-media.com>
+ * @access public
+ */
+class Crypt_Base
+{
+ /**
+ * The Encryption Mode
+ *
+ * @see Crypt_Base::Crypt_Base()
+ * @var Integer
+ * @access private
+ */
+ var $mode;
+
+ /**
+ * The Block Length of the block cipher
+ *
+ * @var Integer
+ * @access private
+ */
+ var $block_size = 16;
+
+ /**
+ * The Key
+ *
+ * @see Crypt_Base::setKey()
+ * @var String
+ * @access private
+ */
+ var $key = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+
+ /**
+ * The Initialization Vector
+ *
+ * @see Crypt_Base::setIV()
+ * @var String
+ * @access private
+ */
+ var $iv;
+
+ /**
+ * A "sliding" Initialization Vector
+ *
+ * @see Crypt_Base::enableContinuousBuffer()
+ * @see Crypt_Base::_clearBuffers()
+ * @var String
+ * @access private
+ */
+ var $encryptIV;
+
+ /**
+ * A "sliding" Initialization Vector
+ *
+ * @see Crypt_Base::enableContinuousBuffer()
+ * @see Crypt_Base::_clearBuffers()
+ * @var String
+ * @access private
+ */
+ var $decryptIV;
+
+ /**
+ * Continuous Buffer status
+ *
+ * @see Crypt_Base::enableContinuousBuffer()
+ * @var Boolean
+ * @access private
+ */
+ var $continuousBuffer = false;
+
+ /**
+ * Encryption buffer for CTR, OFB and CFB modes
+ *
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_Base::_clearBuffers()
+ * @var Array
+ * @access private
+ */
+ var $enbuffer;
+
+ /**
+ * Decryption buffer for CTR, OFB and CFB modes
+ *
+ * @see Crypt_Base::decrypt()
+ * @see Crypt_Base::_clearBuffers()
+ * @var Array
+ * @access private
+ */
+ var $debuffer;
+
+ /**
+ * mcrypt resource for encryption
+ *
+ * The mcrypt resource can be recreated every time something needs to be created or it can be created just once.
+ * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode.
+ *
+ * @see Crypt_Base::encrypt()
+ * @var Resource
+ * @access private
+ */
+ var $enmcrypt;
+
+ /**
+ * mcrypt resource for decryption
+ *
+ * The mcrypt resource can be recreated every time something needs to be created or it can be created just once.
+ * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode.
+ *
+ * @see Crypt_Base::decrypt()
+ * @var Resource
+ * @access private
+ */
+ var $demcrypt;
+
+ /**
+ * Does the enmcrypt resource need to be (re)initialized?
+ *
+ * @see Crypt_Twofish::setKey()
+ * @see Crypt_Twofish::setIV()
+ * @var Boolean
+ * @access private
+ */
+ var $enchanged = true;
+
+ /**
+ * Does the demcrypt resource need to be (re)initialized?
+ *
+ * @see Crypt_Twofish::setKey()
+ * @see Crypt_Twofish::setIV()
+ * @var Boolean
+ * @access private
+ */
+ var $dechanged = true;
+
+ /**
+ * mcrypt resource for CFB mode
+ *
+ * mcrypt's CFB mode, in (and only in) buffered context,
+ * is broken, so phpseclib implements the CFB mode by it self,
+ * even when the mcrypt php extension is available.
+ *
+ * In order to do the CFB-mode work (fast) phpseclib
+ * use a separate ECB-mode mcrypt resource.
+ *
+ * @link http://phpseclib.sourceforge.net/cfb-demo.phps
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_Base::decrypt()
+ * @see Crypt_Base::_setupMcrypt()
+ * @var Resource
+ * @access private
+ */
+ var $ecb;
+
+ /**
+ * Optimizing value while CFB-encrypting
+ *
+ * Only relevant if $continuousBuffer enabled
+ * and $engine == CRYPT_MODE_MCRYPT
+ *
+ * It's faster to re-init $enmcrypt if
+ * $buffer bytes > $cfb_init_len than
+ * using the $ecb resource furthermore.
+ *
+ * This value depends of the chosen cipher
+ * and the time it would be needed for it's
+ * initialization [by mcrypt_generic_init()]
+ * which, typically, depends on the complexity
+ * on its internaly Key-expanding algorithm.
+ *
+ * @see Crypt_Base::encrypt()
+ * @var Integer
+ * @access private
+ */
+ var $cfb_init_len = 600;
+
+ /**
+ * Does internal cipher state need to be (re)initialized?
+ *
+ * @see setKey()
+ * @see setIV()
+ * @see disableContinuousBuffer()
+ * @var Boolean
+ * @access private
+ */
+ var $changed = true;
+
+ /**
+ * Padding status
+ *
+ * @see Crypt_Base::enablePadding()
+ * @var Boolean
+ * @access private
+ */
+ var $padding = true;
+
+ /**
+ * Is the mode one that is paddable?
+ *
+ * @see Crypt_Base::Crypt_Base()
+ * @var Boolean
+ * @access private
+ */
+ var $paddable = false;
+
+ /**
+ * Holds which crypt engine internaly should be use,
+ * which will be determined automatically on __construct()
+ *
+ * Currently available $engines are:
+ * - CRYPT_MODE_MCRYPT (fast, php-extension: mcrypt, extension_loaded('mcrypt') required)
+ * - CRYPT_MODE_INTERNAL (slower, pure php-engine, no php-extension required)
+ *
+ * In the pipeline... maybe. But currently not available:
+ * - CRYPT_MODE_OPENSSL (very fast, php-extension: openssl, extension_loaded('openssl') required)
+ *
+ * If possible, CRYPT_MODE_MCRYPT will be used for each cipher.
+ * Otherwise CRYPT_MODE_INTERNAL
+ *
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_Base::decrypt()
+ * @var Integer
+ * @access private
+ */
+ var $engine;
+
+ /**
+ * The mcrypt specific name of the cipher
+ *
+ * Only used if $engine == CRYPT_MODE_MCRYPT
+ *
+ * @link http://www.php.net/mcrypt_module_open
+ * @link http://www.php.net/mcrypt_list_algorithms
+ * @see Crypt_Base::_setupMcrypt()
+ * @var String
+ * @access private
+ */
+ var $cipher_name_mcrypt;
+
+ /**
+ * The default password key_size used by setPassword()
+ *
+ * @see Crypt_Base::setPassword()
+ * @var Integer
+ * @access private
+ */
+ var $password_key_size = 32;
+
+ /**
+ * The default salt used by setPassword()
+ *
+ * @see Crypt_Base::setPassword()
+ * @var String
+ * @access private
+ */
+ var $password_default_salt = 'phpseclib/salt';
+
+ /**
+ * The namespace used by the cipher for its constants.
+ *
+ * ie: AES.php is using CRYPT_AES_MODE_* for its constants
+ * so $const_namespace is AES
+ *
+ * DES.php is using CRYPT_DES_MODE_* for its constants
+ * so $const_namespace is DES... and so on
+ *
+ * All CRYPT_<$const_namespace>_MODE_* are aliases of
+ * the generic CRYPT_MODE_* constants, so both could be used
+ * for each cipher.
+ *
+ * Example:
+ * $aes = new Crypt_AES(CRYPT_AES_MODE_CFB); // $aes will operate in cfb mode
+ * $aes = new Crypt_AES(CRYPT_MODE_CFB); // identical
+ *
+ * @see Crypt_Base::Crypt_Base()
+ * @var String
+ * @access private
+ */
+ var $const_namespace;
+
+ /**
+ * The name of the performance-optimized callback function
+ *
+ * Used by encrypt() / decrypt()
+ * only if $engine == CRYPT_MODE_INTERNAL
+ *
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_Base::decrypt()
+ * @see Crypt_Base::_setupInlineCrypt()
+ * @see Crypt_Base::$use_inline_crypt
+ * @var Callback
+ * @access private
+ */
+ var $inline_crypt;
+
+ /**
+ * Holds whether performance-optimized $inline_crypt() can/should be used.
+ *
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_Base::decrypt()
+ * @see Crypt_Base::inline_crypt
+ * @var mixed
+ * @access private
+ */
+ var $use_inline_crypt;
+
+ /**
+ * Default Constructor.
+ *
+ * Determines whether or not the mcrypt extension should be used.
+ *
+ * $mode could be:
+ *
+ * - CRYPT_MODE_ECB
+ *
+ * - CRYPT_MODE_CBC
+ *
+ * - CRYPT_MODE_CTR
+ *
+ * - CRYPT_MODE_CFB
+ *
+ * - CRYPT_MODE_OFB
+ *
+ * (or the alias constants of the chosen cipher, for example for AES: CRYPT_AES_MODE_ECB or CRYPT_AES_MODE_CBC ...)
+ *
+ * If not explicitly set, CRYPT_MODE_CBC will be used.
+ *
+ * @param optional Integer $mode
+ * @access public
+ */
+ function Crypt_Base($mode = CRYPT_MODE_CBC)
+ {
+ $const_crypt_mode = 'CRYPT_' . $this->const_namespace . '_MODE';
+
+ // Determining the availibility of mcrypt support for the cipher
+ if (!defined($const_crypt_mode)) {
+ switch (true) {
+ case extension_loaded('mcrypt') && in_array($this->cipher_name_mcrypt, mcrypt_list_algorithms()):
+ define($const_crypt_mode, CRYPT_MODE_MCRYPT);
+ break;
+ default:
+ define($const_crypt_mode, CRYPT_MODE_INTERNAL);
+ }
+ }
+
+ // Determining which internal $engine should be used.
+ // The fastes possible first.
+ switch (true) {
+ case empty($this->cipher_name_mcrypt): // The cipher module has no mcrypt-engine support at all so we force CRYPT_MODE_INTERNAL
+ $this->engine = CRYPT_MODE_INTERNAL;
+ break;
+ case constant($const_crypt_mode) == CRYPT_MODE_MCRYPT:
+ $this->engine = CRYPT_MODE_MCRYPT;
+ break;
+ default:
+ $this->engine = CRYPT_MODE_INTERNAL;
+ }
+
+ // $mode dependent settings
+ switch ($mode) {
+ case CRYPT_MODE_ECB:
+ $this->paddable = true;
+ $this->mode = $mode;
+ break;
+ case CRYPT_MODE_CTR:
+ case CRYPT_MODE_CFB:
+ case CRYPT_MODE_OFB:
+ case CRYPT_MODE_STREAM:
+ $this->mode = $mode;
+ break;
+ case CRYPT_MODE_CBC:
+ default:
+ $this->paddable = true;
+ $this->mode = CRYPT_MODE_CBC;
+ }
+
+ // Determining whether inline crypting can be used by the cipher
+ if ($this->use_inline_crypt !== false && function_exists('create_function')) {
+ $this->use_inline_crypt = true;
+ }
+ }
+
+ /**
+ * Sets the initialization vector. (optional)
+ *
+ * SetIV is not required when CRYPT_MODE_ECB (or ie for AES: CRYPT_AES_MODE_ECB) is being used. If not explicitly set, it'll be assumed
+ * to be all zero's.
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @access public
+ * @param String $iv
+ */
+ function setIV($iv)
+ {
+ if ($this->mode == CRYPT_MODE_ECB) {
+ return;
+ }
+
+ $this->iv = $iv;
+ $this->changed = true;
+ }
+
+ /**
+ * Sets the key.
+ *
+ * The min/max length(s) of the key depends on the cipher which is used.
+ * If the key not fits the length(s) of the cipher it will paded with null bytes
+ * up to the closest valid key length. If the key is more than max length,
+ * we trim the excess bits.
+ *
+ * If the key is not explicitly set, it'll be assumed to be all null bytes.
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @access public
+ * @param String $key
+ */
+ function setKey($key)
+ {
+ $this->key = $key;
+ $this->changed = true;
+ }
+
+ /**
+ * Sets the password.
+ *
+ * Depending on what $method is set to, setPassword()'s (optional) parameters are as follows:
+ * {@link http://en.wikipedia.org/wiki/PBKDF2 pbkdf2} or pbkdf1:
+ * $hash, $salt, $count, $dkLen
+ *
+ * Where $hash (default = sha1) currently supports the following hashes: see: Crypt/Hash.php
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @see Crypt/Hash.php
+ * @param String $password
+ * @param optional String $method
+ * @return Boolean
+ * @access public
+ */
+ function setPassword($password, $method = 'pbkdf2')
+ {
+ $key = '';
+
+ switch ($method) {
+ default: // 'pbkdf2' or 'pbkdf1'
+ $func_args = func_get_args();
+
+ // Hash function
+ $hash = isset($func_args[2]) ? $func_args[2] : 'sha1';
+
+ // WPA and WPA2 use the SSID as the salt
+ $salt = isset($func_args[3]) ? $func_args[3] : $this->password_default_salt;
+
+ // RFC2898#section-4.2 uses 1,000 iterations by default
+ // WPA and WPA2 use 4,096.
+ $count = isset($func_args[4]) ? $func_args[4] : 1000;
+
+ // Keylength
+ if (isset($func_args[5])) {
+ $dkLen = $func_args[5];
+ } else {
+ $dkLen = $method == 'pbkdf1' ? 2 * $this->password_key_size : $this->password_key_size;
+ }
+
+ switch (true) {
+ case $method == 'pbkdf1':
+ if (!class_exists('Crypt_Hash')) {
+ include_once 'Crypt/Hash.php';
+ }
+ $hashObj = new Crypt_Hash();
+ $hashObj->setHash($hash);
+ if ($dkLen > $hashObj->getLength()) {
+ user_error('Derived key too long');
+ return false;
+ }
+ $t = $password . $salt;
+ for ($i = 0; $i < $count; ++$i) {
+ $t = $hashObj->hash($t);
+ }
+ $key = substr($t, 0, $dkLen);
+
+ $this->setKey(substr($key, 0, $dkLen >> 1));
+ $this->setIV(substr($key, $dkLen >> 1));
+
+ return true;
+ // Determining if php[>=5.5.0]'s hash_pbkdf2() function avail- and useable
+ case !function_exists('hash_pbkdf2'):
+ case !function_exists('hash_algos'):
+ case !in_array($hash, hash_algos()):
+ if (!class_exists('Crypt_Hash')) {
+ include_once 'Crypt/Hash.php';
+ }
+ $i = 1;
+ while (strlen($key) < $dkLen) {
+ $hmac = new Crypt_Hash();
+ $hmac->setHash($hash);
+ $hmac->setKey($password);
+ $f = $u = $hmac->hash($salt . pack('N', $i++));
+ for ($j = 2; $j <= $count; ++$j) {
+ $u = $hmac->hash($u);
+ $f^= $u;
+ }
+ $key.= $f;
+ }
+ $key = substr($key, 0, $dkLen);
+ break;
+ default:
+ $key = hash_pbkdf2($hash, $password, $salt, $count, $dkLen, true);
+ }
+ }
+
+ $this->setKey($key);
+
+ return true;
+ }
+
+ /**
+ * Encrypts a message.
+ *
+ * $plaintext will be padded with additional bytes such that it's length is a multiple of the block size. Other cipher
+ * implementations may or may not pad in the same manner. Other common approaches to padding and the reasons why it's
+ * necessary are discussed in the following
+ * URL:
+ *
+ * {@link http://www.di-mgt.com.au/cryptopad.html http://www.di-mgt.com.au/cryptopad.html}
+ *
+ * An alternative to padding is to, separately, send the length of the file. This is what SSH, in fact, does.
+ * strlen($plaintext) will still need to be a multiple of the block size, however, arbitrary values can be added to make it that
+ * length.
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @see Crypt_Base::decrypt()
+ * @access public
+ * @param String $plaintext
+ * @return String $cipertext
+ */
+ function encrypt($plaintext)
+ {
+ if ($this->engine == CRYPT_MODE_MCRYPT) {
+ if ($this->changed) {
+ $this->_setupMcrypt();
+ $this->changed = false;
+ }
+ if ($this->enchanged) {
+ mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV);
+ $this->enchanged = false;
+ }
+
+ // re: {@link http://phpseclib.sourceforge.net/cfb-demo.phps}
+ // using mcrypt's default handing of CFB the above would output two different things. using phpseclib's
+ // rewritten CFB implementation the above outputs the same thing twice.
+ if ($this->mode == CRYPT_MODE_CFB && $this->continuousBuffer) {
+ $block_size = $this->block_size;
+ $iv = &$this->encryptIV;
+ $pos = &$this->enbuffer['pos'];
+ $len = strlen($plaintext);
+ $ciphertext = '';
+ $i = 0;
+ if ($pos) {
+ $orig_pos = $pos;
+ $max = $block_size - $pos;
+ if ($len >= $max) {
+ $i = $max;
+ $len-= $max;
+ $pos = 0;
+ } else {
+ $i = $len;
+ $pos+= $len;
+ $len = 0;
+ }
+ $ciphertext = substr($iv, $orig_pos) ^ $plaintext;
+ $iv = substr_replace($iv, $ciphertext, $orig_pos, $i);
+ $this->enbuffer['enmcrypt_init'] = true;
+ }
+ if ($len >= $block_size) {
+ if ($this->enbuffer['enmcrypt_init'] === false || $len > $this->cfb_init_len) {
+ if ($this->enbuffer['enmcrypt_init'] === true) {
+ mcrypt_generic_init($this->enmcrypt, $this->key, $iv);
+ $this->enbuffer['enmcrypt_init'] = false;
+ }
+ $ciphertext.= mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % $block_size));
+ $iv = substr($ciphertext, -$block_size);
+ $len%= $block_size;
+ } else {
+ while ($len >= $block_size) {
+ $iv = mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, $block_size);
+ $ciphertext.= $iv;
+ $len-= $block_size;
+ $i+= $block_size;
+ }
+ }
+ }
+
+ if ($len) {
+ $iv = mcrypt_generic($this->ecb, $iv);
+ $block = $iv ^ substr($plaintext, -$len);
+ $iv = substr_replace($iv, $block, 0, $len);
+ $ciphertext.= $block;
+ $pos = $len;
+ }
+
+ return $ciphertext;
+ }
+
+ if ($this->paddable) {
+ $plaintext = $this->_pad($plaintext);
+ }
+
+ $ciphertext = mcrypt_generic($this->enmcrypt, $plaintext);
+
+ if (!$this->continuousBuffer) {
+ mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV);
+ }
+
+ return $ciphertext;
+ }
+
+ if ($this->changed) {
+ $this->_setup();
+ $this->changed = false;
+ }
+ if ($this->use_inline_crypt) {
+ $inline = $this->inline_crypt;
+ return $inline('encrypt', $this, $plaintext);
+ }
+ if ($this->paddable) {
+ $plaintext = $this->_pad($plaintext);
+ }
+
+ $buffer = &$this->enbuffer;
+ $block_size = $this->block_size;
+ $ciphertext = '';
+ switch ($this->mode) {
+ case CRYPT_MODE_ECB:
+ for ($i = 0; $i < strlen($plaintext); $i+=$block_size) {
+ $ciphertext.= $this->_encryptBlock(substr($plaintext, $i, $block_size));
+ }
+ break;
+ case CRYPT_MODE_CBC:
+ $xor = $this->encryptIV;
+ for ($i = 0; $i < strlen($plaintext); $i+=$block_size) {
+ $block = substr($plaintext, $i, $block_size);
+ $block = $this->_encryptBlock($block ^ $xor);
+ $xor = $block;
+ $ciphertext.= $block;
+ }
+ if ($this->continuousBuffer) {
+ $this->encryptIV = $xor;
+ }
+ break;
+ case CRYPT_MODE_CTR:
+ $xor = $this->encryptIV;
+ if (strlen($buffer['encrypted'])) {
+ for ($i = 0; $i < strlen($plaintext); $i+=$block_size) {
+ $block = substr($plaintext, $i, $block_size);
+ if (strlen($block) > strlen($buffer['encrypted'])) {
+ $buffer['encrypted'].= $this->_encryptBlock($this->_generateXor($xor, $block_size));
+ }
+ $key = $this->_stringShift($buffer['encrypted'], $block_size);
+ $ciphertext.= $block ^ $key;
+ }
+ } else {
+ for ($i = 0; $i < strlen($plaintext); $i+=$block_size) {
+ $block = substr($plaintext, $i, $block_size);
+ $key = $this->_encryptBlock($this->_generateXor($xor, $block_size));
+ $ciphertext.= $block ^ $key;
+ }
+ }
+ if ($this->continuousBuffer) {
+ $this->encryptIV = $xor;
+ if ($start = strlen($plaintext) % $block_size) {
+ $buffer['encrypted'] = substr($key, $start) . $buffer['encrypted'];
+ }
+ }
+ break;
+ case CRYPT_MODE_CFB:
+ // cfb loosely routines inspired by openssl's:
+ // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1}
+ if ($this->continuousBuffer) {
+ $iv = &$this->encryptIV;
+ $pos = &$buffer['pos'];
+ } else {
+ $iv = $this->encryptIV;
+ $pos = 0;
+ }
+ $len = strlen($plaintext);
+ $i = 0;
+ if ($pos) {
+ $orig_pos = $pos;
+ $max = $block_size - $pos;
+ if ($len >= $max) {
+ $i = $max;
+ $len-= $max;
+ $pos = 0;
+ } else {
+ $i = $len;
+ $pos+= $len;
+ $len = 0;
+ }
+ // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize
+ $ciphertext = substr($iv, $orig_pos) ^ $plaintext;
+ $iv = substr_replace($iv, $ciphertext, $orig_pos, $i);
+ }
+ while ($len >= $block_size) {
+ $iv = $this->_encryptBlock($iv) ^ substr($plaintext, $i, $block_size);
+ $ciphertext.= $iv;
+ $len-= $block_size;
+ $i+= $block_size;
+ }
+ if ($len) {
+ $iv = $this->_encryptBlock($iv);
+ $block = $iv ^ substr($plaintext, $i);
+ $iv = substr_replace($iv, $block, 0, $len);
+ $ciphertext.= $block;
+ $pos = $len;
+ }
+ break;
+ case CRYPT_MODE_OFB:
+ $xor = $this->encryptIV;
+ if (strlen($buffer['xor'])) {
+ for ($i = 0; $i < strlen($plaintext); $i+=$block_size) {
+ $block = substr($plaintext, $i, $block_size);
+ if (strlen($block) > strlen($buffer['xor'])) {
+ $xor = $this->_encryptBlock($xor);
+ $buffer['xor'].= $xor;
+ }
+ $key = $this->_stringShift($buffer['xor'], $block_size);
+ $ciphertext.= $block ^ $key;
+ }
+ } else {
+ for ($i = 0; $i < strlen($plaintext); $i+=$block_size) {
+ $xor = $this->_encryptBlock($xor);
+ $ciphertext.= substr($plaintext, $i, $block_size) ^ $xor;
+ }
+ $key = $xor;
+ }
+ if ($this->continuousBuffer) {
+ $this->encryptIV = $xor;
+ if ($start = strlen($plaintext) % $block_size) {
+ $buffer['xor'] = substr($key, $start) . $buffer['xor'];
+ }
+ }
+ break;
+ case CRYPT_MODE_STREAM:
+ $ciphertext = $this->_encryptBlock($plaintext);
+ break;
+ }
+
+ return $ciphertext;
+ }
+
+ /**
+ * Decrypts a message.
+ *
+ * If strlen($ciphertext) is not a multiple of the block size, null bytes will be added to the end of the string until
+ * it is.
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @see Crypt_Base::encrypt()
+ * @access public
+ * @param String $ciphertext
+ * @return String $plaintext
+ */
+ function decrypt($ciphertext)
+ {
+ if ($this->engine == CRYPT_MODE_MCRYPT) {
+ $block_size = $this->block_size;
+ if ($this->changed) {
+ $this->_setupMcrypt();
+ $this->changed = false;
+ }
+ if ($this->dechanged) {
+ mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV);
+ $this->dechanged = false;
+ }
+
+ if ($this->mode == CRYPT_MODE_CFB && $this->continuousBuffer) {
+ $iv = &$this->decryptIV;
+ $pos = &$this->debuffer['pos'];
+ $len = strlen($ciphertext);
+ $plaintext = '';
+ $i = 0;
+ if ($pos) {
+ $orig_pos = $pos;
+ $max = $block_size - $pos;
+ if ($len >= $max) {
+ $i = $max;
+ $len-= $max;
+ $pos = 0;
+ } else {
+ $i = $len;
+ $pos+= $len;
+ $len = 0;
+ }
+ // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize
+ $plaintext = substr($iv, $orig_pos) ^ $ciphertext;
+ $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i);
+ }
+ if ($len >= $block_size) {
+ $cb = substr($ciphertext, $i, $len - $len % $block_size);
+ $plaintext.= mcrypt_generic($this->ecb, $iv . $cb) ^ $cb;
+ $iv = substr($cb, -$block_size);
+ $len%= $block_size;
+ }
+ if ($len) {
+ $iv = mcrypt_generic($this->ecb, $iv);
+ $plaintext.= $iv ^ substr($ciphertext, -$len);
+ $iv = substr_replace($iv, substr($ciphertext, -$len), 0, $len);
+ $pos = $len;
+ }
+
+ return $plaintext;
+ }
+
+ if ($this->paddable) {
+ // we pad with chr(0) since that's what mcrypt_generic does. to quote from {@link http://www.php.net/function.mcrypt-generic}:
+ // "The data is padded with "\0" to make sure the length of the data is n * blocksize."
+ $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($block_size - strlen($ciphertext) % $block_size) % $block_size, chr(0));
+ }
+
+ $plaintext = mdecrypt_generic($this->demcrypt, $ciphertext);
+
+ if (!$this->continuousBuffer) {
+ mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV);
+ }
+
+ return $this->paddable ? $this->_unpad($plaintext) : $plaintext;
+ }
+
+ if ($this->changed) {
+ $this->_setup();
+ $this->changed = false;
+ }
+ if ($this->use_inline_crypt) {
+ $inline = $this->inline_crypt;
+ return $inline('decrypt', $this, $ciphertext);
+ }
+
+ $block_size = $this->block_size;
+ if ($this->paddable) {
+ // we pad with chr(0) since that's what mcrypt_generic does [...]
+ $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($block_size - strlen($ciphertext) % $block_size) % $block_size, chr(0));
+ }
+
+ $buffer = &$this->debuffer;
+ $plaintext = '';
+ switch ($this->mode) {
+ case CRYPT_MODE_ECB:
+ for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) {
+ $plaintext.= $this->_decryptBlock(substr($ciphertext, $i, $block_size));
+ }
+ break;
+ case CRYPT_MODE_CBC:
+ $xor = $this->decryptIV;
+ for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) {
+ $block = substr($ciphertext, $i, $block_size);
+ $plaintext.= $this->_decryptBlock($block) ^ $xor;
+ $xor = $block;
+ }
+ if ($this->continuousBuffer) {
+ $this->decryptIV = $xor;
+ }
+ break;
+ case CRYPT_MODE_CTR:
+ $xor = $this->decryptIV;
+ if (strlen($buffer['ciphertext'])) {
+ for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) {
+ $block = substr($ciphertext, $i, $block_size);
+ if (strlen($block) > strlen($buffer['ciphertext'])) {
+ $buffer['ciphertext'].= $this->_encryptBlock($this->_generateXor($xor, $block_size));
+ }
+ $key = $this->_stringShift($buffer['ciphertext'], $block_size);
+ $plaintext.= $block ^ $key;
+ }
+ } else {
+ for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) {
+ $block = substr($ciphertext, $i, $block_size);
+ $key = $this->_encryptBlock($this->_generateXor($xor, $block_size));
+ $plaintext.= $block ^ $key;
+ }
+ }
+ if ($this->continuousBuffer) {
+ $this->decryptIV = $xor;
+ if ($start = strlen($ciphertext) % $block_size) {
+ $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext'];
+ }
+ }
+ break;
+ case CRYPT_MODE_CFB:
+ if ($this->continuousBuffer) {
+ $iv = &$this->decryptIV;
+ $pos = &$buffer['pos'];
+ } else {
+ $iv = $this->decryptIV;
+ $pos = 0;
+ }
+ $len = strlen($ciphertext);
+ $i = 0;
+ if ($pos) {
+ $orig_pos = $pos;
+ $max = $block_size - $pos;
+ if ($len >= $max) {
+ $i = $max;
+ $len-= $max;
+ $pos = 0;
+ } else {
+ $i = $len;
+ $pos+= $len;
+ $len = 0;
+ }
+ // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize
+ $plaintext = substr($iv, $orig_pos) ^ $ciphertext;
+ $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i);
+ }
+ while ($len >= $block_size) {
+ $iv = $this->_encryptBlock($iv);
+ $cb = substr($ciphertext, $i, $block_size);
+ $plaintext.= $iv ^ $cb;
+ $iv = $cb;
+ $len-= $block_size;
+ $i+= $block_size;
+ }
+ if ($len) {
+ $iv = $this->_encryptBlock($iv);
+ $plaintext.= $iv ^ substr($ciphertext, $i);
+ $iv = substr_replace($iv, substr($ciphertext, $i), 0, $len);
+ $pos = $len;
+ }
+ break;
+ case CRYPT_MODE_OFB:
+ $xor = $this->decryptIV;
+ if (strlen($buffer['xor'])) {
+ for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) {
+ $block = substr($ciphertext, $i, $block_size);
+ if (strlen($block) > strlen($buffer['xor'])) {
+ $xor = $this->_encryptBlock($xor);
+ $buffer['xor'].= $xor;
+ }
+ $key = $this->_stringShift($buffer['xor'], $block_size);
+ $plaintext.= $block ^ $key;
+ }
+ } else {
+ for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) {
+ $xor = $this->_encryptBlock($xor);
+ $plaintext.= substr($ciphertext, $i, $block_size) ^ $xor;
+ }
+ $key = $xor;
+ }
+ if ($this->continuousBuffer) {
+ $this->decryptIV = $xor;
+ if ($start = strlen($ciphertext) % $block_size) {
+ $buffer['xor'] = substr($key, $start) . $buffer['xor'];
+ }
+ }
+ break;
+ case CRYPT_MODE_STREAM:
+ $plaintext = $this->_decryptBlock($ciphertext);
+ break;
+ }
+ return $this->paddable ? $this->_unpad($plaintext) : $plaintext;
+ }
+
+ /**
+ * Pad "packets".
+ *
+ * Block ciphers working by encrypting between their specified [$this->]block_size at a time
+ * If you ever need to encrypt or decrypt something that isn't of the proper length, it becomes necessary to
+ * pad the input so that it is of the proper length.
+ *
+ * Padding is enabled by default. Sometimes, however, it is undesirable to pad strings. Such is the case in SSH,
+ * where "packets" are padded with random bytes before being encrypted. Unpad these packets and you risk stripping
+ * away characters that shouldn't be stripped away. (SSH knows how many bytes are added because the length is
+ * transmitted separately)
+ *
+ * @see Crypt_Base::disablePadding()
+ * @access public
+ */
+ function enablePadding()
+ {
+ $this->padding = true;
+ }
+
+ /**
+ * Do not pad packets.
+ *
+ * @see Crypt_Base::enablePadding()
+ * @access public
+ */
+ function disablePadding()
+ {
+ $this->padding = false;
+ }
+
+ /**
+ * Treat consecutive "packets" as if they are a continuous buffer.
+ *
+ * Say you have a 32-byte plaintext $plaintext. Using the default behavior, the two following code snippets
+ * will yield different outputs:
+ *
+ * <code>
+ * echo $rijndael->encrypt(substr($plaintext, 0, 16));
+ * echo $rijndael->encrypt(substr($plaintext, 16, 16));
+ * </code>
+ * <code>
+ * echo $rijndael->encrypt($plaintext);
+ * </code>
+ *
+ * The solution is to enable the continuous buffer. Although this will resolve the above discrepancy, it creates
+ * another, as demonstrated with the following:
+ *
+ * <code>
+ * $rijndael->encrypt(substr($plaintext, 0, 16));
+ * echo $rijndael->decrypt($rijndael->encrypt(substr($plaintext, 16, 16)));
+ * </code>
+ * <code>
+ * echo $rijndael->decrypt($rijndael->encrypt(substr($plaintext, 16, 16)));
+ * </code>
+ *
+ * With the continuous buffer disabled, these would yield the same output. With it enabled, they yield different
+ * outputs. The reason is due to the fact that the initialization vector's change after every encryption /
+ * decryption round when the continuous buffer is enabled. When it's disabled, they remain constant.
+ *
+ * Put another way, when the continuous buffer is enabled, the state of the Crypt_*() object changes after each
+ * encryption / decryption round, whereas otherwise, it'd remain constant. For this reason, it's recommended that
+ * continuous buffers not be used. They do offer better security and are, in fact, sometimes required (SSH uses them),
+ * however, they are also less intuitive and more likely to cause you problems.
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @see Crypt_Base::disableContinuousBuffer()
+ * @access public
+ */
+ function enableContinuousBuffer()
+ {
+ if ($this->mode == CRYPT_MODE_ECB) {
+ return;
+ }
+
+ $this->continuousBuffer = true;
+ }
+
+ /**
+ * Treat consecutive packets as if they are a discontinuous buffer.
+ *
+ * The default behavior.
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @see Crypt_Base::enableContinuousBuffer()
+ * @access public
+ */
+ function disableContinuousBuffer()
+ {
+ if ($this->mode == CRYPT_MODE_ECB) {
+ return;
+ }
+ if (!$this->continuousBuffer) {
+ return;
+ }
+
+ $this->continuousBuffer = false;
+ $this->changed = true;
+ }
+
+ /**
+ * Encrypts a block
+ *
+ * Note: Must extend by the child Crypt_* class
+ *
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _encryptBlock($in)
+ {
+ user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR);
+ }
+
+ /**
+ * Decrypts a block
+ *
+ * Note: Must extend by the child Crypt_* class
+ *
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _decryptBlock($in)
+ {
+ user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR);
+ }
+
+ /**
+ * Setup the key (expansion)
+ *
+ * Only used if $engine == CRYPT_MODE_INTERNAL
+ *
+ * Note: Must extend by the child Crypt_* class
+ *
+ * @see Crypt_Base::_setup()
+ * @access private
+ */
+ function _setupKey()
+ {
+ user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR);
+ }
+
+ /**
+ * Setup the CRYPT_MODE_INTERNAL $engine
+ *
+ * (re)init, if necessary, the internal cipher $engine and flush all $buffers
+ * Used (only) if $engine == CRYPT_MODE_INTERNAL
+ *
+ * _setup() will be called each time if $changed === true
+ * typically this happens when using one or more of following public methods:
+ *
+ * - setKey()
+ *
+ * - setIV()
+ *
+ * - disableContinuousBuffer()
+ *
+ * - First run of encrypt() / decrypt() with no init-settings
+ *
+ * Internally: _setup() is called always before(!) en/decryption.
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @see setKey()
+ * @see setIV()
+ * @see disableContinuousBuffer()
+ * @access private
+ */
+ function _setup()
+ {
+ $this->_clearBuffers();
+ $this->_setupKey();
+
+ if ($this->use_inline_crypt) {
+ $this->_setupInlineCrypt();
+ }
+ }
+
+ /**
+ * Setup the CRYPT_MODE_MCRYPT $engine
+ *
+ * (re)init, if necessary, the (ext)mcrypt resources and flush all $buffers
+ * Used (only) if $engine = CRYPT_MODE_MCRYPT
+ *
+ * _setupMcrypt() will be called each time if $changed === true
+ * typically this happens when using one or more of following public methods:
+ *
+ * - setKey()
+ *
+ * - setIV()
+ *
+ * - disableContinuousBuffer()
+ *
+ * - First run of encrypt() / decrypt()
+ *
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @see setKey()
+ * @see setIV()
+ * @see disableContinuousBuffer()
+ * @access private
+ */
+ function _setupMcrypt()
+ {
+ $this->_clearBuffers();
+ $this->enchanged = $this->dechanged = true;
+
+ if (!isset($this->enmcrypt)) {
+ static $mcrypt_modes = array(
+ CRYPT_MODE_CTR => 'ctr',
+ CRYPT_MODE_ECB => MCRYPT_MODE_ECB,
+ CRYPT_MODE_CBC => MCRYPT_MODE_CBC,
+ CRYPT_MODE_CFB => 'ncfb',
+ CRYPT_MODE_OFB => MCRYPT_MODE_NOFB,
+ CRYPT_MODE_STREAM => MCRYPT_MODE_STREAM,
+ );
+
+ $this->demcrypt = mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], '');
+ $this->enmcrypt = mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], '');
+
+ // we need the $ecb mcrypt resource (only) in MODE_CFB with enableContinuousBuffer()
+ // to workaround mcrypt's broken ncfb implementation in buffered mode
+ // see: {@link http://phpseclib.sourceforge.net/cfb-demo.phps}
+ if ($this->mode == CRYPT_MODE_CFB) {
+ $this->ecb = mcrypt_module_open($this->cipher_name_mcrypt, '', MCRYPT_MODE_ECB, '');
+ }
+
+ } // else should mcrypt_generic_deinit be called?
+
+ if ($this->mode == CRYPT_MODE_CFB) {
+ mcrypt_generic_init($this->ecb, $this->key, str_repeat("\0", $this->block_size));
+ }
+ }
+
+ /**
+ * Pads a string
+ *
+ * Pads a string using the RSA PKCS padding standards so that its length is a multiple of the blocksize.
+ * $this->block_size - (strlen($text) % $this->block_size) bytes are added, each of which is equal to
+ * chr($this->block_size - (strlen($text) % $this->block_size)
+ *
+ * If padding is disabled and $text is not a multiple of the blocksize, the string will be padded regardless
+ * and padding will, hence forth, be enabled.
+ *
+ * @see Crypt_Base::_unpad()
+ * @param String $text
+ * @access private
+ * @return String
+ */
+ function _pad($text)
+ {
+ $length = strlen($text);
+
+ if (!$this->padding) {
+ if ($length % $this->block_size == 0) {
+ return $text;
+ } else {
+ user_error("The plaintext's length ($length) is not a multiple of the block size ({$this->block_size})");
+ $this->padding = true;
+ }
+ }
+
+ $pad = $this->block_size - ($length % $this->block_size);
+
+ return str_pad($text, $length + $pad, chr($pad));
+ }
+
+ /**
+ * Unpads a string.
+ *
+ * If padding is enabled and the reported padding length is invalid the encryption key will be assumed to be wrong
+ * and false will be returned.
+ *
+ * @see Crypt_Base::_pad()
+ * @param String $text
+ * @access private
+ * @return String
+ */
+ function _unpad($text)
+ {
+ if (!$this->padding) {
+ return $text;
+ }
+
+ $length = ord($text[strlen($text) - 1]);
+
+ if (!$length || $length > $this->block_size) {
+ return false;
+ }
+
+ return substr($text, 0, -$length);
+ }
+
+ /**
+ * Clears internal buffers
+ *
+ * Clearing/resetting the internal buffers is done everytime
+ * after disableContinuousBuffer() or on cipher $engine (re)init
+ * ie after setKey() or setIV()
+ *
+ * Note: Could, but not must, extend by the child Crypt_* class
+ *
+ * @access public
+ */
+ function _clearBuffers()
+ {
+ $this->enbuffer = array('encrypted' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true);
+ $this->debuffer = array('ciphertext' => '', 'xor' => '', 'pos' => 0, 'demcrypt_init' => true);
+
+ // mcrypt's handling of invalid's $iv:
+ // $this->encryptIV = $this->decryptIV = strlen($this->iv) == $this->block_size ? $this->iv : str_repeat("\0", $this->block_size);
+ $this->encryptIV = $this->decryptIV = str_pad(substr($this->iv, 0, $this->block_size), $this->block_size, "\0");
+ }
+
+ /**
+ * String Shift
+ *
+ * Inspired by array_shift
+ *
+ * @param String $string
+ * @param optional Integer $index
+ * @access private
+ * @return String
+ */
+ function _stringShift(&$string, $index = 1)
+ {
+ $substr = substr($string, 0, $index);
+ $string = substr($string, $index);
+ return $substr;
+ }
+
+ /**
+ * Generate CTR XOR encryption key
+ *
+ * Encrypt the output of this and XOR it against the ciphertext / plaintext to get the
+ * plaintext / ciphertext in CTR mode.
+ *
+ * @see Crypt_Base::decrypt()
+ * @see Crypt_Base::encrypt()
+ * @param String $iv
+ * @param Integer $length
+ * @access private
+ * @return String $xor
+ */
+ function _generateXor(&$iv, $length)
+ {
+ $xor = '';
+ $block_size = $this->block_size;
+ $num_blocks = floor(($length + ($block_size - 1)) / $block_size);
+ for ($i = 0; $i < $num_blocks; $i++) {
+ $xor.= $iv;
+ for ($j = 4; $j <= $block_size; $j+= 4) {
+ $temp = substr($iv, -$j, 4);
+ switch ($temp) {
+ case "\xFF\xFF\xFF\xFF":
+ $iv = substr_replace($iv, "\x00\x00\x00\x00", -$j, 4);
+ break;
+ case "\x7F\xFF\xFF\xFF":
+ $iv = substr_replace($iv, "\x80\x00\x00\x00", -$j, 4);
+ break 2;
+ default:
+ extract(unpack('Ncount', $temp));
+ $iv = substr_replace($iv, pack('N', $count + 1), -$j, 4);
+ break 2;
+ }
+ }
+ }
+
+ return $xor;
+ }
+
+ /**
+ * Setup the performance-optimized function for de/encrypt()
+ *
+ * Stores the created (or existing) callback function-name
+ * in $this->inline_crypt
+ *
+ * Internally for phpseclib developers:
+ *
+ * _setupInlineCrypt() would be called only if:
+ *
+ * - $engine == CRYPT_MODE_INTERNAL and
+ *
+ * - $use_inline_crypt === true
+ *
+ * - each time on _setup(), after(!) _setupKey()
+ *
+ *
+ * This ensures that _setupInlineCrypt() has always a
+ * full ready2go initializated internal cipher $engine state
+ * where, for example, the keys allready expanded,
+ * keys/block_size calculated and such.
+ *
+ * It is, each time if called, the responsibility of _setupInlineCrypt():
+ *
+ * - to set $this->inline_crypt to a valid and fully working callback function
+ * as a (faster) replacement for encrypt() / decrypt()
+ *
+ * - NOT to create unlimited callback functions (for memory reasons!)
+ * no matter how often _setupInlineCrypt() would be called. At some
+ * point of amount they must be generic re-useable.
+ *
+ * - the code of _setupInlineCrypt() it self,
+ * and the generated callback code,
+ * must be, in following order:
+ * - 100% safe
+ * - 100% compatible to encrypt()/decrypt()
+ * - using only php5+ features/lang-constructs/php-extensions if
+ * compatibility (down to php4) or fallback is provided
+ * - readable/maintainable/understandable/commented and... not-cryptic-styled-code :-)
+ * - >= 10% faster than encrypt()/decrypt() [which is, by the way,
+ * the reason for the existence of _setupInlineCrypt() :-)]
+ * - memory-nice
+ * - short (as good as possible)
+ *
+ * Note: - _setupInlineCrypt() is using _createInlineCryptFunction() to create the full callback function code.
+ * - In case of using inline crypting, _setupInlineCrypt() must extend by the child Crypt_* class.
+ * - The following variable names are reserved:
+ * - $_* (all variable names prefixed with an underscore)
+ * - $self (object reference to it self. Do not use $this, but $self instead)
+ * - $in (the content of $in has to en/decrypt by the generated code)
+ * - The callback function should not use the 'return' statement, but en/decrypt'ing the content of $in only
+ *
+ *
+ * @see Crypt_Base::_setup()
+ * @see Crypt_Base::_createInlineCryptFunction()
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_Base::decrypt()
+ * @access private
+ */
+ function _setupInlineCrypt()
+ {
+ // If a Crypt_* class providing inline crypting it must extend _setupInlineCrypt()
+
+ // If, for any reason, an extending Crypt_Base() Crypt_* class
+ // not using inline crypting then it must be ensured that: $this->use_inline_crypt = false
+ // ie in the class var declaration of $use_inline_crypt in general for the Crypt_* class,
+ // in the constructor at object instance-time
+ // or, if it's runtime-specific, at runtime
+
+ $this->use_inline_crypt = false;
+ }
+
+ /**
+ * Creates the performance-optimized function for en/decrypt()
+ *
+ * Internally for phpseclib developers:
+ *
+ * _createInlineCryptFunction():
+ *
+ * - merge the $cipher_code [setup'ed by _setupInlineCrypt()]
+ * with the current [$this->]mode of operation code
+ *
+ * - create the $inline function, which called by encrypt() / decrypt()
+ * as its replacement to speed up the en/decryption operations.
+ *
+ * - return the name of the created $inline callback function
+ *
+ * - used to speed up en/decryption
+ *
+ *
+ *
+ * The main reason why can speed up things [up to 50%] this way are:
+ *
+ * - using variables more effective then regular.
+ * (ie no use of expensive arrays but integers $k_0, $k_1 ...
+ * or even, for example, the pure $key[] values hardcoded)
+ *
+ * - avoiding 1000's of function calls of ie _encryptBlock()
+ * but inlining the crypt operations.
+ * in the mode of operation for() loop.
+ *
+ * - full loop unroll the (sometimes key-dependent) rounds
+ * avoiding this way ++$i counters and runtime-if's etc...
+ *
+ * The basic code architectur of the generated $inline en/decrypt()
+ * lambda function, in pseudo php, is:
+ *
+ * <code>
+ * +----------------------------------------------------------------------------------------------+
+ * | callback $inline = create_function: |
+ * | lambda_function_0001_crypt_ECB($action, $text) |
+ * | { |
+ * | INSERT PHP CODE OF: |
+ * | $cipher_code['init_crypt']; // general init code. |
+ * | // ie: $sbox'es declarations used for |
+ * | // encrypt and decrypt'ing. |
+ * | |
+ * | switch ($action) { |
+ * | case 'encrypt': |
+ * | INSERT PHP CODE OF: |
+ * | $cipher_code['init_encrypt']; // encrypt sepcific init code. |
+ * | ie: specified $key or $box |
+ * | declarations for encrypt'ing. |
+ * | |
+ * | foreach ($ciphertext) { |
+ * | $in = $block_size of $ciphertext; |
+ * | |
+ * | INSERT PHP CODE OF: |
+ * | $cipher_code['encrypt_block']; // encrypt's (string) $in, which is always: |
+ * | // strlen($in) == $this->block_size |
+ * | // here comes the cipher algorithm in action |
+ * | // for encryption. |
+ * | // $cipher_code['encrypt_block'] has to |
+ * | // encrypt the content of the $in variable |
+ * | |
+ * | $plaintext .= $in; |
+ * | } |
+ * | return $plaintext; |
+ * | |
+ * | case 'decrypt': |
+ * | INSERT PHP CODE OF: |
+ * | $cipher_code['init_decrypt']; // decrypt sepcific init code |
+ * | ie: specified $key or $box |
+ * | declarations for decrypt'ing. |
+ * | foreach ($plaintext) { |
+ * | $in = $block_size of $plaintext; |
+ * | |
+ * | INSERT PHP CODE OF: |
+ * | $cipher_code['decrypt_block']; // decrypt's (string) $in, which is always |
+ * | // strlen($in) == $this->block_size |
+ * | // here comes the cipher algorithm in action |
+ * | // for decryption. |
+ * | // $cipher_code['decrypt_block'] has to |
+ * | // decrypt the content of the $in variable |
+ * | $ciphertext .= $in; |
+ * | } |
+ * | return $ciphertext; |
+ * | } |
+ * | } |
+ * +----------------------------------------------------------------------------------------------+
+ * </code>
+ *
+ * See also the Crypt_*::_setupInlineCrypt()'s for
+ * productive inline $cipher_code's how they works.
+ *
+ * Structure of:
+ * <code>
+ * $cipher_code = array(
+ * 'init_crypt' => (string) '', // optional
+ * 'init_encrypt' => (string) '', // optional
+ * 'init_decrypt' => (string) '', // optional
+ * 'encrypt_block' => (string) '', // required
+ * 'decrypt_block' => (string) '' // required
+ * );
+ * </code>
+ *
+ * @see Crypt_Base::_setupInlineCrypt()
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_Base::decrypt()
+ * @param Array $cipher_code
+ * @access private
+ * @return String (the name of the created callback function)
+ */
+ function _createInlineCryptFunction($cipher_code)
+ {
+ $block_size = $this->block_size;
+
+ // optional
+ $init_crypt = isset($cipher_code['init_crypt']) ? $cipher_code['init_crypt'] : '';
+ $init_encrypt = isset($cipher_code['init_encrypt']) ? $cipher_code['init_encrypt'] : '';
+ $init_decrypt = isset($cipher_code['init_decrypt']) ? $cipher_code['init_decrypt'] : '';
+ // required
+ $encrypt_block = $cipher_code['encrypt_block'];
+ $decrypt_block = $cipher_code['decrypt_block'];
+
+ // Generating mode of operation inline code,
+ // merged with the $cipher_code algorithm
+ // for encrypt- and decryption.
+ switch ($this->mode) {
+ case CRYPT_MODE_ECB:
+ $encrypt = $init_encrypt . '
+ $_ciphertext = "";
+ $_text = $self->_pad($_text);
+ $_plaintext_len = strlen($_text);
+
+ for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') {
+ $in = substr($_text, $_i, '.$block_size.');
+ '.$encrypt_block.'
+ $_ciphertext.= $in;
+ }
+
+ return $_ciphertext;
+ ';
+
+ $decrypt = $init_decrypt . '
+ $_plaintext = "";
+ $_text = str_pad($_text, strlen($_text) + ('.$block_size.' - strlen($_text) % '.$block_size.') % '.$block_size.', chr(0));
+ $_ciphertext_len = strlen($_text);
+
+ for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') {
+ $in = substr($_text, $_i, '.$block_size.');
+ '.$decrypt_block.'
+ $_plaintext.= $in;
+ }
+
+ return $self->_unpad($_plaintext);
+ ';
+ break;
+ case CRYPT_MODE_CTR:
+ $encrypt = $init_encrypt . '
+ $_ciphertext = "";
+ $_plaintext_len = strlen($_text);
+ $_xor = $self->encryptIV;
+ $_buffer = &$self->enbuffer;
+
+ if (strlen($_buffer["encrypted"])) {
+ for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') {
+ $_block = substr($_text, $_i, '.$block_size.');
+ if (strlen($_block) > strlen($_buffer["encrypted"])) {
+ $in = $self->_generateXor($_xor, '.$block_size.');
+ '.$encrypt_block.'
+ $_buffer["encrypted"].= $in;
+ }
+ $_key = $self->_stringShift($_buffer["encrypted"], '.$block_size.');
+ $_ciphertext.= $_block ^ $_key;
+ }
+ } else {
+ for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') {
+ $_block = substr($_text, $_i, '.$block_size.');
+ $in = $self->_generateXor($_xor, '.$block_size.');
+ '.$encrypt_block.'
+ $_key = $in;
+ $_ciphertext.= $_block ^ $_key;
+ }
+ }
+ if ($self->continuousBuffer) {
+ $self->encryptIV = $_xor;
+ if ($_start = $_plaintext_len % '.$block_size.') {
+ $_buffer["encrypted"] = substr($_key, $_start) . $_buffer["encrypted"];
+ }
+ }
+
+ return $_ciphertext;
+ ';
+
+ $decrypt = $init_encrypt . '
+ $_plaintext = "";
+ $_ciphertext_len = strlen($_text);
+ $_xor = $self->decryptIV;
+ $_buffer = &$self->debuffer;
+
+ if (strlen($_buffer["ciphertext"])) {
+ for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') {
+ $_block = substr($_text, $_i, '.$block_size.');
+ if (strlen($_block) > strlen($_buffer["ciphertext"])) {
+ $in = $self->_generateXor($_xor, '.$block_size.');
+ '.$encrypt_block.'
+ $_buffer["ciphertext"].= $in;
+ }
+ $_key = $self->_stringShift($_buffer["ciphertext"], '.$block_size.');
+ $_plaintext.= $_block ^ $_key;
+ }
+ } else {
+ for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') {
+ $_block = substr($_text, $_i, '.$block_size.');
+ $in = $self->_generateXor($_xor, '.$block_size.');
+ '.$encrypt_block.'
+ $_key = $in;
+ $_plaintext.= $_block ^ $_key;
+ }
+ }
+ if ($self->continuousBuffer) {
+ $self->decryptIV = $_xor;
+ if ($_start = $_ciphertext_len % '.$block_size.') {
+ $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"];
+ }
+ }
+
+ return $_plaintext;
+ ';
+ break;
+ case CRYPT_MODE_CFB:
+ $encrypt = $init_encrypt . '
+ $_ciphertext = "";
+ $_buffer = &$self->enbuffer;
+
+ if ($self->continuousBuffer) {
+ $_iv = &$self->encryptIV;
+ $_pos = &$_buffer["pos"];
+ } else {
+ $_iv = $self->encryptIV;
+ $_pos = 0;
+ }
+ $_len = strlen($_text);
+ $_i = 0;
+ if ($_pos) {
+ $_orig_pos = $_pos;
+ $_max = '.$block_size.' - $_pos;
+ if ($_len >= $_max) {
+ $_i = $_max;
+ $_len-= $_max;
+ $_pos = 0;
+ } else {
+ $_i = $_len;
+ $_pos+= $_len;
+ $_len = 0;
+ }
+ $_ciphertext = substr($_iv, $_orig_pos) ^ $_text;
+ $_iv = substr_replace($_iv, $_ciphertext, $_orig_pos, $_i);
+ }
+ while ($_len >= '.$block_size.') {
+ $in = $_iv;
+ '.$encrypt_block.';
+ $_iv = $in ^ substr($_text, $_i, '.$block_size.');
+ $_ciphertext.= $_iv;
+ $_len-= '.$block_size.';
+ $_i+= '.$block_size.';
+ }
+ if ($_len) {
+ $in = $_iv;
+ '.$encrypt_block.'
+ $_iv = $in;
+ $_block = $_iv ^ substr($_text, $_i);
+ $_iv = substr_replace($_iv, $_block, 0, $_len);
+ $_ciphertext.= $_block;
+ $_pos = $_len;
+ }
+ return $_ciphertext;
+ ';
+
+ $decrypt = $init_encrypt . '
+ $_plaintext = "";
+ $_buffer = &$self->debuffer;
+
+ if ($self->continuousBuffer) {
+ $_iv = &$self->decryptIV;
+ $_pos = &$_buffer["pos"];
+ } else {
+ $_iv = $self->decryptIV;
+ $_pos = 0;
+ }
+ $_len = strlen($_text);
+ $_i = 0;
+ if ($_pos) {
+ $_orig_pos = $_pos;
+ $_max = '.$block_size.' - $_pos;
+ if ($_len >= $_max) {
+ $_i = $_max;
+ $_len-= $_max;
+ $_pos = 0;
+ } else {
+ $_i = $_len;
+ $_pos+= $_len;
+ $_len = 0;
+ }
+ $_plaintext = substr($_iv, $_orig_pos) ^ $_text;
+ $_iv = substr_replace($_iv, substr($_text, 0, $_i), $_orig_pos, $_i);
+ }
+ while ($_len >= '.$block_size.') {
+ $in = $_iv;
+ '.$encrypt_block.'
+ $_iv = $in;
+ $cb = substr($_text, $_i, '.$block_size.');
+ $_plaintext.= $_iv ^ $cb;
+ $_iv = $cb;
+ $_len-= '.$block_size.';
+ $_i+= '.$block_size.';
+ }
+ if ($_len) {
+ $in = $_iv;
+ '.$encrypt_block.'
+ $_iv = $in;
+ $_plaintext.= $_iv ^ substr($_text, $_i);
+ $_iv = substr_replace($_iv, substr($_text, $_i), 0, $_len);
+ $_pos = $_len;
+ }
+
+ return $_plaintext;
+ ';
+ break;
+ case CRYPT_MODE_OFB:
+ $encrypt = $init_encrypt . '
+ $_ciphertext = "";
+ $_plaintext_len = strlen($_text);
+ $_xor = $self->encryptIV;
+ $_buffer = &$self->enbuffer;
+
+ if (strlen($_buffer["xor"])) {
+ for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') {
+ $_block = substr($_text, $_i, '.$block_size.');
+ if (strlen($_block) > strlen($_buffer["xor"])) {
+ $in = $_xor;
+ '.$encrypt_block.'
+ $_xor = $in;
+ $_buffer["xor"].= $_xor;
+ }
+ $_key = $self->_stringShift($_buffer["xor"], '.$block_size.');
+ $_ciphertext.= $_block ^ $_key;
+ }
+ } else {
+ for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') {
+ $in = $_xor;
+ '.$encrypt_block.'
+ $_xor = $in;
+ $_ciphertext.= substr($_text, $_i, '.$block_size.') ^ $_xor;
+ }
+ $_key = $_xor;
+ }
+ if ($self->continuousBuffer) {
+ $self->encryptIV = $_xor;
+ if ($_start = $_plaintext_len % '.$block_size.') {
+ $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"];
+ }
+ }
+ return $_ciphertext;
+ ';
+
+ $decrypt = $init_encrypt . '
+ $_plaintext = "";
+ $_ciphertext_len = strlen($_text);
+ $_xor = $self->decryptIV;
+ $_buffer = &$self->debuffer;
+
+ if (strlen($_buffer["xor"])) {
+ for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') {
+ $_block = substr($_text, $_i, '.$block_size.');
+ if (strlen($_block) > strlen($_buffer["xor"])) {
+ $in = $_xor;
+ '.$encrypt_block.'
+ $_xor = $in;
+ $_buffer["xor"].= $_xor;
+ }
+ $_key = $self->_stringShift($_buffer["xor"], '.$block_size.');
+ $_plaintext.= $_block ^ $_key;
+ }
+ } else {
+ for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') {
+ $in = $_xor;
+ '.$encrypt_block.'
+ $_xor = $in;
+ $_plaintext.= substr($_text, $_i, '.$block_size.') ^ $_xor;
+ }
+ $_key = $_xor;
+ }
+ if ($self->continuousBuffer) {
+ $self->decryptIV = $_xor;
+ if ($_start = $_ciphertext_len % '.$block_size.') {
+ $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"];
+ }
+ }
+ return $_plaintext;
+ ';
+ break;
+ case CRYPT_MODE_STREAM:
+ $encrypt = $init_encrypt . '
+ $_ciphertext = "";
+ '.$encrypt_block.'
+ return $_ciphertext;
+ ';
+ $decrypt = $init_decrypt . '
+ $_plaintext = "";
+ '.$decrypt_block.'
+ return $_plaintext;
+ ';
+ break;
+ // case CRYPT_MODE_CBC:
+ default:
+ $encrypt = $init_encrypt . '
+ $_ciphertext = "";
+ $_text = $self->_pad($_text);
+ $_plaintext_len = strlen($_text);
+
+ $in = $self->encryptIV;
+
+ for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') {
+ $in = substr($_text, $_i, '.$block_size.') ^ $in;
+ '.$encrypt_block.'
+ $_ciphertext.= $in;
+ }
+
+ if ($self->continuousBuffer) {
+ $self->encryptIV = $in;
+ }
+
+ return $_ciphertext;
+ ';
+
+ $decrypt = $init_decrypt . '
+ $_plaintext = "";
+ $_text = str_pad($_text, strlen($_text) + ('.$block_size.' - strlen($_text) % '.$block_size.') % '.$block_size.', chr(0));
+ $_ciphertext_len = strlen($_text);
+
+ $_iv = $self->decryptIV;
+
+ for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') {
+ $in = $_block = substr($_text, $_i, '.$block_size.');
+ '.$decrypt_block.'
+ $_plaintext.= $in ^ $_iv;
+ $_iv = $_block;
+ }
+
+ if ($self->continuousBuffer) {
+ $self->decryptIV = $_iv;
+ }
+
+ return $self->_unpad($_plaintext);
+ ';
+ break;
+ }
+
+ // Create the $inline function and return its name as string. Ready to run!
+ return create_function('$_action, &$self, $_text', $init_crypt . 'if ($_action == "encrypt") { ' . $encrypt . ' } else { ' . $decrypt . ' }');
+ }
+
+ /**
+ * Holds the lambda_functions table (classwide)
+ *
+ * Each name of the lambda function, created from
+ * _setupInlineCrypt() && _createInlineCryptFunction()
+ * is stored, classwide (!), here for reusing.
+ *
+ * The string-based index of $function is a classwide
+ * uniqe value representing, at least, the $mode of
+ * operation (or more... depends of the optimizing level)
+ * for which $mode the lambda function was created.
+ *
+ * @access private
+ * @return &Array
+ */
+ function &_getLambdaFunctions()
+ {
+ static $functions = array();
+ return $functions;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/Blowfish.php b/libs/phpseclib-0.3.7/Crypt/Blowfish.php new file mode 100644 index 0000000..7d4987c --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/Blowfish.php @@ -0,0 +1,644 @@ +<?php
+
+/**
+ * Pure-PHP implementation of Blowfish.
+ *
+ * Uses mcrypt, if available, and an internal implementation, otherwise.
+ *
+ * PHP versions 4 and 5
+ *
+ * Useful resources are as follows:
+ *
+ * - {@link http://en.wikipedia.org/wiki/Blowfish_(cipher) Wikipedia description of Blowfish}
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/Blowfish.php';
+ *
+ * $blowfish = new Crypt_Blowfish();
+ *
+ * $blowfish->setKey('12345678901234567890123456789012');
+ *
+ * $plaintext = str_repeat('a', 1024);
+ *
+ * echo $blowfish->decrypt($blowfish->encrypt($plaintext));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_Blowfish
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @author Hans-Juergen Petrich <petrich@tronic-media.com>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_Base
+ *
+ * Base cipher class
+ */
+if (!class_exists('Crypt_Base')) {
+ include_once 'Base.php';
+}
+
+/**#@+
+ * @access public
+ * @see Crypt_Blowfish::encrypt()
+ * @see Crypt_Blowfish::decrypt()
+ */
+/**
+ * Encrypt / decrypt using the Counter mode.
+ *
+ * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29
+ */
+define('CRYPT_BLOWFISH_MODE_CTR', CRYPT_MODE_CTR);
+/**
+ * Encrypt / decrypt using the Electronic Code Book mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29
+ */
+define('CRYPT_BLOWFISH_MODE_ECB', CRYPT_MODE_ECB);
+/**
+ * Encrypt / decrypt using the Code Book Chaining mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29
+ */
+define('CRYPT_BLOWFISH_MODE_CBC', CRYPT_MODE_CBC);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29
+ */
+define('CRYPT_BLOWFISH_MODE_CFB', CRYPT_MODE_CFB);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29
+ */
+define('CRYPT_BLOWFISH_MODE_OFB', CRYPT_MODE_OFB);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_Base::Crypt_Base()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_BLOWFISH_MODE_INTERNAL', CRYPT_MODE_INTERNAL);
+/**
+ * Toggles the mcrypt implementation
+ */
+define('CRYPT_BLOWFISH_MODE_MCRYPT', CRYPT_MODE_MCRYPT);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of Blowfish.
+ *
+ * @package Crypt_Blowfish
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @author Hans-Juergen Petrich <petrich@tronic-media.com>
+ * @access public
+ */
+class Crypt_Blowfish extends Crypt_Base
+{
+ /**
+ * Block Length of the cipher
+ *
+ * @see Crypt_Base::block_size
+ * @var Integer
+ * @access private
+ */
+ var $block_size = 8;
+
+ /**
+ * The default password key_size used by setPassword()
+ *
+ * @see Crypt_Base::password_key_size
+ * @see Crypt_Base::setPassword()
+ * @var Integer
+ * @access private
+ */
+ var $password_key_size = 56;
+
+ /**
+ * The namespace used by the cipher for its constants.
+ *
+ * @see Crypt_Base::const_namespace
+ * @var String
+ * @access private
+ */
+ var $const_namespace = 'BLOWFISH';
+
+ /**
+ * The mcrypt specific name of the cipher
+ *
+ * @see Crypt_Base::cipher_name_mcrypt
+ * @var String
+ * @access private
+ */
+ var $cipher_name_mcrypt = 'blowfish';
+
+ /**
+ * Optimizing value while CFB-encrypting
+ *
+ * @see Crypt_Base::cfb_init_len
+ * @var Integer
+ * @access private
+ */
+ var $cfb_init_len = 500;
+
+ /**
+ * The fixed subkeys boxes ($sbox0 - $sbox3) with 256 entries each
+ *
+ * S-Box 1
+ *
+ * @access private
+ * @var array
+ */
+ var $sbox0 = array (
+ 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
+ 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
+ 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
+ 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
+ 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
+ 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
+ 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
+ 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
+ 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
+ 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
+ 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
+ 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
+ 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
+ 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
+ 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
+ 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
+ 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
+ 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
+ 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
+ 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
+ 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
+ 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
+ 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
+ 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
+ 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
+ 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
+ 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
+ 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
+ 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
+ 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
+ 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
+ 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a
+ );
+
+ /**
+ * S-Box 1
+ *
+ * @access private
+ * @var array
+ */
+ var $sbox1 = array(
+ 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
+ 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
+ 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
+ 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
+ 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
+ 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
+ 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
+ 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
+ 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
+ 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
+ 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
+ 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
+ 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
+ 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
+ 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
+ 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
+ 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
+ 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
+ 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
+ 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
+ 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
+ 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
+ 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
+ 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
+ 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
+ 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
+ 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
+ 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
+ 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
+ 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
+ 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
+ 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7
+ );
+
+ /**
+ * S-Box 2
+ *
+ * @access private
+ * @var array
+ */
+ var $sbox2 = array(
+ 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
+ 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
+ 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
+ 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
+ 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
+ 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
+ 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
+ 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
+ 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
+ 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
+ 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
+ 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
+ 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
+ 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
+ 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
+ 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
+ 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
+ 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
+ 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
+ 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
+ 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
+ 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
+ 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
+ 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
+ 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
+ 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
+ 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
+ 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
+ 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
+ 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
+ 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
+ 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0
+ );
+
+ /**
+ * S-Box 3
+ *
+ * @access private
+ * @var array
+ */
+ var $sbox3 = array(
+ 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
+ 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
+ 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
+ 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
+ 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
+ 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
+ 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
+ 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
+ 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
+ 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
+ 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
+ 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
+ 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
+ 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
+ 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
+ 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
+ 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
+ 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
+ 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
+ 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
+ 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
+ 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
+ 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
+ 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
+ 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
+ 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
+ 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
+ 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
+ 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
+ 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
+ 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
+ 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6
+ );
+
+ /**
+ * P-Array consists of 18 32-bit subkeys
+ *
+ * @var array $parray
+ * @access private
+ */
+ var $parray = array(
+ 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0,
+ 0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
+ 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b
+ );
+
+ /**
+ * The BCTX-working Array
+ *
+ * Holds the expanded key [p] and the key-depended s-boxes [sb]
+ *
+ * @var array $bctx
+ * @access private
+ */
+ var $bctx;
+
+ /**
+ * Holds the last used key
+ *
+ * @var Array
+ * @access private
+ */
+ var $kl;
+
+ /**
+ * Sets the key.
+ *
+ * Keys can be of any length. Blowfish, itself, requires the use of a key between 32 and max. 448-bits long.
+ * If the key is less than 32-bits we NOT fill the key to 32bit but let the key as it is to be compatible
+ * with mcrypt because mcrypt act this way with blowfish key's < 32 bits.
+ *
+ * If the key is more than 448-bits, we trim the excess bits.
+ *
+ * If the key is not explicitly set, or empty, it'll be assumed a 128 bits key to be all null bytes.
+ *
+ * @access public
+ * @see Crypt_Base::setKey()
+ * @param String $key
+ */
+ function setKey($key)
+ {
+ $keylength = strlen($key);
+
+ if (!$keylength) {
+ $key = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+ } elseif ($keylength > 56) {
+ $key = substr($key, 0, 56);
+ }
+
+ parent::setKey($key);
+ }
+
+ /**
+ * Setup the key (expansion)
+ *
+ * @see Crypt_Base::_setupKey()
+ * @access private
+ */
+ function _setupKey()
+ {
+ if (isset($this->kl['key']) && $this->key === $this->kl['key']) {
+ // already expanded
+ return;
+ }
+ $this->kl = array('key' => $this->key);
+
+ /* key-expanding p[] and S-Box building sb[] */
+ $this->bctx = array(
+ 'p' => array(),
+ 'sb' => array(
+ $this->sbox0,
+ $this->sbox1,
+ $this->sbox2,
+ $this->sbox3
+ )
+ );
+
+ // unpack binary string in unsigned chars
+ $key = array_values(unpack('C*', $this->key));
+ $keyl = count($key);
+ for ($j = 0, $i = 0; $i < 18; ++$i) {
+ // xor P1 with the first 32-bits of the key, xor P2 with the second 32-bits ...
+ for ($data = 0, $k = 0; $k < 4; ++$k) {
+ $data = ($data << 8) | $key[$j];
+ if (++$j >= $keyl) {
+ $j = 0;
+ }
+ }
+ $this->bctx['p'][] = $this->parray[$i] ^ $data;
+ }
+
+ // encrypt the zero-string, replace P1 and P2 with the encrypted data,
+ // encrypt P3 and P4 with the new P1 and P2, do it with all P-array and subkeys
+ $data = "\0\0\0\0\0\0\0\0";
+ for ($i = 0; $i < 18; $i += 2) {
+ list($l, $r) = array_values(unpack('N*', $data = $this->_encryptBlock($data)));
+ $this->bctx['p'][$i ] = $l;
+ $this->bctx['p'][$i + 1] = $r;
+ }
+ for ($i = 0; $i < 4; ++$i) {
+ for ($j = 0; $j < 256; $j += 2) {
+ list($l, $r) = array_values(unpack('N*', $data = $this->_encryptBlock($data)));
+ $this->bctx['sb'][$i][$j ] = $l;
+ $this->bctx['sb'][$i][$j + 1] = $r;
+ }
+ }
+ }
+
+ /**
+ * Encrypts a block
+ *
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _encryptBlock($in)
+ {
+ $p = $this->bctx["p"];
+ // extract($this->bctx["sb"], EXTR_PREFIX_ALL, "sb"); // slower
+ $sb_0 = $this->bctx["sb"][0];
+ $sb_1 = $this->bctx["sb"][1];
+ $sb_2 = $this->bctx["sb"][2];
+ $sb_3 = $this->bctx["sb"][3];
+
+ $in = unpack("N*", $in);
+ $l = $in[1];
+ $r = $in[2];
+
+ for ($i = 0; $i < 16; $i+= 2) {
+ $l^= $p[$i];
+ $r^= ($sb_0[$l >> 24 & 0xff] +
+ $sb_1[$l >> 16 & 0xff] ^
+ $sb_2[$l >> 8 & 0xff]) +
+ $sb_3[$l & 0xff];
+
+ $r^= $p[$i + 1];
+ $l^= ($sb_0[$r >> 24 & 0xff] +
+ $sb_1[$r >> 16 & 0xff] ^
+ $sb_2[$r >> 8 & 0xff]) +
+ $sb_3[$r & 0xff];
+ }
+ return pack("N*", $r ^ $p[17], $l ^ $p[16]);
+ }
+
+ /**
+ * Decrypts a block
+ *
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _decryptBlock($in)
+ {
+ $p = $this->bctx["p"];
+ $sb_0 = $this->bctx["sb"][0];
+ $sb_1 = $this->bctx["sb"][1];
+ $sb_2 = $this->bctx["sb"][2];
+ $sb_3 = $this->bctx["sb"][3];
+
+ $in = unpack("N*", $in);
+ $l = $in[1];
+ $r = $in[2];
+
+ for ($i = 17; $i > 2; $i-= 2) {
+ $l^= $p[$i];
+ $r^= ($sb_0[$l >> 24 & 0xff] +
+ $sb_1[$l >> 16 & 0xff] ^
+ $sb_2[$l >> 8 & 0xff]) +
+ $sb_3[$l & 0xff];
+
+ $r^= $p[$i - 1];
+ $l^= ($sb_0[$r >> 24 & 0xff] +
+ $sb_1[$r >> 16 & 0xff] ^
+ $sb_2[$r >> 8 & 0xff]) +
+ $sb_3[$r & 0xff];
+ }
+
+ return pack("N*", $r ^ $p[0], $l ^ $p[1]);
+ }
+
+ /**
+ * Setup the performance-optimized function for de/encrypt()
+ *
+ * @see Crypt_Base::_setupInlineCrypt()
+ * @access private
+ */
+ function _setupInlineCrypt()
+ {
+ $lambda_functions =& Crypt_Blowfish::_getLambdaFunctions();
+
+ // We create max. 10 hi-optimized code for memory reason. Means: For each $key one ultra fast inline-crypt function.
+ // After that, we'll still create very fast optimized code but not the hi-ultimative code, for each $mode one.
+ $gen_hi_opt_code = (bool)( count($lambda_functions) < 10);
+
+ switch (true) {
+ case $gen_hi_opt_code:
+ $code_hash = md5(str_pad("Crypt_Blowfish, {$this->mode}, ", 32, "\0") . $this->key);
+ break;
+ default:
+ $code_hash = "Crypt_Blowfish, {$this->mode}";
+ }
+
+ if (!isset($lambda_functions[$code_hash])) {
+ switch (true) {
+ case $gen_hi_opt_code:
+ $p = $this->bctx['p'];
+ $init_crypt = '
+ static $sb_0, $sb_1, $sb_2, $sb_3;
+ if (!$sb_0) {
+ $sb_0 = $self->bctx["sb"][0];
+ $sb_1 = $self->bctx["sb"][1];
+ $sb_2 = $self->bctx["sb"][2];
+ $sb_3 = $self->bctx["sb"][3];
+ }
+ ';
+ break;
+ default:
+ $p = array();
+ for ($i = 0; $i < 18; ++$i) {
+ $p[] = '$p_' . $i;
+ }
+ $init_crypt = '
+ list($sb_0, $sb_1, $sb_2, $sb_3) = $self->bctx["sb"];
+ list(' . implode(',', $p) . ') = $self->bctx["p"];
+
+ ';
+ }
+
+ // Generating encrypt code:
+ $encrypt_block = '
+ $in = unpack("N*", $in);
+ $l = $in[1];
+ $r = $in[2];
+ ';
+ for ($i = 0; $i < 16; $i+= 2) {
+ $encrypt_block.= '
+ $l^= ' . $p[$i] . ';
+ $r^= ($sb_0[$l >> 24 & 0xff] +
+ $sb_1[$l >> 16 & 0xff] ^
+ $sb_2[$l >> 8 & 0xff]) +
+ $sb_3[$l & 0xff];
+
+ $r^= ' . $p[$i + 1] . ';
+ $l^= ($sb_0[$r >> 24 & 0xff] +
+ $sb_1[$r >> 16 & 0xff] ^
+ $sb_2[$r >> 8 & 0xff]) +
+ $sb_3[$r & 0xff];
+ ';
+ }
+ $encrypt_block.= '
+ $in = pack("N*",
+ $r ^ ' . $p[17] . ',
+ $l ^ ' . $p[16] . '
+ );
+ ';
+
+ // Generating decrypt code:
+ $decrypt_block = '
+ $in = unpack("N*", $in);
+ $l = $in[1];
+ $r = $in[2];
+ ';
+
+ for ($i = 17; $i > 2; $i-= 2) {
+ $decrypt_block.= '
+ $l^= ' . $p[$i] . ';
+ $r^= ($sb_0[$l >> 24 & 0xff] +
+ $sb_1[$l >> 16 & 0xff] ^
+ $sb_2[$l >> 8 & 0xff]) +
+ $sb_3[$l & 0xff];
+
+ $r^= ' . $p[$i - 1] . ';
+ $l^= ($sb_0[$r >> 24 & 0xff] +
+ $sb_1[$r >> 16 & 0xff] ^
+ $sb_2[$r >> 8 & 0xff]) +
+ $sb_3[$r & 0xff];
+ ';
+ }
+
+ $decrypt_block.= '
+ $in = pack("N*",
+ $r ^ ' . $p[0] . ',
+ $l ^ ' . $p[1] . '
+ );
+ ';
+
+ $lambda_functions[$code_hash] = $this->_createInlineCryptFunction(
+ array(
+ 'init_crypt' => $init_crypt,
+ 'init_encrypt' => '',
+ 'init_decrypt' => '',
+ 'encrypt_block' => $encrypt_block,
+ 'decrypt_block' => $decrypt_block
+ )
+ );
+ }
+ $this->inline_crypt = $lambda_functions[$code_hash];
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/DES.php b/libs/phpseclib-0.3.7/Crypt/DES.php new file mode 100644 index 0000000..f8e6a83 --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/DES.php @@ -0,0 +1,1506 @@ +<?php
+
+/**
+ * Pure-PHP implementation of DES.
+ *
+ * Uses mcrypt, if available, and an internal implementation, otherwise.
+ *
+ * PHP versions 4 and 5
+ *
+ * Useful resources are as follows:
+ *
+ * - {@link http://en.wikipedia.org/wiki/DES_supplementary_material Wikipedia: DES supplementary material}
+ * - {@link http://www.itl.nist.gov/fipspubs/fip46-2.htm FIPS 46-2 - (DES), Data Encryption Standard}
+ * - {@link http://www.cs.eku.edu/faculty/styer/460/Encrypt/JS-DES.html JavaScript DES Example}
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/DES.php';
+ *
+ * $des = new Crypt_DES();
+ *
+ * $des->setKey('abcdefgh');
+ *
+ * $size = 10 * 1024;
+ * $plaintext = '';
+ * for ($i = 0; $i < $size; $i++) {
+ * $plaintext.= 'a';
+ * }
+ *
+ * echo $des->decrypt($des->encrypt($plaintext));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_DES
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_Base
+ *
+ * Base cipher class
+ */
+if (!class_exists('Crypt_Base')) {
+ include_once 'Base.php';
+}
+
+/**#@+
+ * @access private
+ * @see Crypt_DES::_setupKey()
+ * @see Crypt_DES::_processBlock()
+ */
+/**
+ * Contains $keys[CRYPT_DES_ENCRYPT]
+ */
+define('CRYPT_DES_ENCRYPT', 0);
+/**
+ * Contains $keys[CRYPT_DES_DECRYPT]
+ */
+define('CRYPT_DES_DECRYPT', 1);
+/**#@-*/
+
+/**#@+
+ * @access public
+ * @see Crypt_DES::encrypt()
+ * @see Crypt_DES::decrypt()
+ */
+/**
+ * Encrypt / decrypt using the Counter mode.
+ *
+ * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29
+ */
+define('CRYPT_DES_MODE_CTR', CRYPT_MODE_CTR);
+/**
+ * Encrypt / decrypt using the Electronic Code Book mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29
+ */
+define('CRYPT_DES_MODE_ECB', CRYPT_MODE_ECB);
+/**
+ * Encrypt / decrypt using the Code Book Chaining mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29
+ */
+define('CRYPT_DES_MODE_CBC', CRYPT_MODE_CBC);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29
+ */
+define('CRYPT_DES_MODE_CFB', CRYPT_MODE_CFB);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29
+ */
+define('CRYPT_DES_MODE_OFB', CRYPT_MODE_OFB);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_Base::Crypt_Base()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_DES_MODE_INTERNAL', CRYPT_MODE_INTERNAL);
+/**
+ * Toggles the mcrypt implementation
+ */
+define('CRYPT_DES_MODE_MCRYPT', CRYPT_MODE_MCRYPT);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of DES.
+ *
+ * @package Crypt_DES
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Crypt_DES extends Crypt_Base
+{
+ /**
+ * Block Length of the cipher
+ *
+ * @see Crypt_Base::block_size
+ * @var Integer
+ * @access private
+ */
+ var $block_size = 8;
+
+ /**
+ * The Key
+ *
+ * @see Crypt_Base::key
+ * @see setKey()
+ * @var String
+ * @access private
+ */
+ var $key = "\0\0\0\0\0\0\0\0";
+
+ /**
+ * The default password key_size used by setPassword()
+ *
+ * @see Crypt_Base::password_key_size
+ * @see Crypt_Base::setPassword()
+ * @var Integer
+ * @access private
+ */
+ var $password_key_size = 8;
+
+ /**
+ * The namespace used by the cipher for its constants.
+ *
+ * @see Crypt_Base::const_namespace
+ * @var String
+ * @access private
+ */
+ var $const_namespace = 'DES';
+
+ /**
+ * The mcrypt specific name of the cipher
+ *
+ * @see Crypt_Base::cipher_name_mcrypt
+ * @var String
+ * @access private
+ */
+ var $cipher_name_mcrypt = 'des';
+
+ /**
+ * Optimizing value while CFB-encrypting
+ *
+ * @see Crypt_Base::cfb_init_len
+ * @var Integer
+ * @access private
+ */
+ var $cfb_init_len = 500;
+
+ /**
+ * Switch for DES/3DES encryption
+ *
+ * Used only if $engine == CRYPT_DES_MODE_INTERNAL
+ *
+ * @see Crypt_DES::_setupKey()
+ * @see Crypt_DES::_processBlock()
+ * @var Integer
+ * @access private
+ */
+ var $des_rounds = 1;
+
+ /**
+ * max possible size of $key
+ *
+ * @see Crypt_DES::setKey()
+ * @var String
+ * @access private
+ */
+ var $key_size_max = 8;
+
+ /**
+ * The Key Schedule
+ *
+ * @see Crypt_DES::_setupKey()
+ * @var Array
+ * @access private
+ */
+ var $keys;
+
+ /**
+ * Shuffle table.
+ *
+ * For each byte value index, the entry holds an 8-byte string
+ * with each byte containing all bits in the same state as the
+ * corresponding bit in the index value.
+ *
+ * @see Crypt_DES::_processBlock()
+ * @see Crypt_DES::_setupKey()
+ * @var Array
+ * @access private
+ */
+ var $shuffle = array(
+ "\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\xFF",
+ "\x00\x00\x00\x00\x00\x00\xFF\x00", "\x00\x00\x00\x00\x00\x00\xFF\xFF",
+ "\x00\x00\x00\x00\x00\xFF\x00\x00", "\x00\x00\x00\x00\x00\xFF\x00\xFF",
+ "\x00\x00\x00\x00\x00\xFF\xFF\x00", "\x00\x00\x00\x00\x00\xFF\xFF\xFF",
+ "\x00\x00\x00\x00\xFF\x00\x00\x00", "\x00\x00\x00\x00\xFF\x00\x00\xFF",
+ "\x00\x00\x00\x00\xFF\x00\xFF\x00", "\x00\x00\x00\x00\xFF\x00\xFF\xFF",
+ "\x00\x00\x00\x00\xFF\xFF\x00\x00", "\x00\x00\x00\x00\xFF\xFF\x00\xFF",
+ "\x00\x00\x00\x00\xFF\xFF\xFF\x00", "\x00\x00\x00\x00\xFF\xFF\xFF\xFF",
+ "\x00\x00\x00\xFF\x00\x00\x00\x00", "\x00\x00\x00\xFF\x00\x00\x00\xFF",
+ "\x00\x00\x00\xFF\x00\x00\xFF\x00", "\x00\x00\x00\xFF\x00\x00\xFF\xFF",
+ "\x00\x00\x00\xFF\x00\xFF\x00\x00", "\x00\x00\x00\xFF\x00\xFF\x00\xFF",
+ "\x00\x00\x00\xFF\x00\xFF\xFF\x00", "\x00\x00\x00\xFF\x00\xFF\xFF\xFF",
+ "\x00\x00\x00\xFF\xFF\x00\x00\x00", "\x00\x00\x00\xFF\xFF\x00\x00\xFF",
+ "\x00\x00\x00\xFF\xFF\x00\xFF\x00", "\x00\x00\x00\xFF\xFF\x00\xFF\xFF",
+ "\x00\x00\x00\xFF\xFF\xFF\x00\x00", "\x00\x00\x00\xFF\xFF\xFF\x00\xFF",
+ "\x00\x00\x00\xFF\xFF\xFF\xFF\x00", "\x00\x00\x00\xFF\xFF\xFF\xFF\xFF",
+ "\x00\x00\xFF\x00\x00\x00\x00\x00", "\x00\x00\xFF\x00\x00\x00\x00\xFF",
+ "\x00\x00\xFF\x00\x00\x00\xFF\x00", "\x00\x00\xFF\x00\x00\x00\xFF\xFF",
+ "\x00\x00\xFF\x00\x00\xFF\x00\x00", "\x00\x00\xFF\x00\x00\xFF\x00\xFF",
+ "\x00\x00\xFF\x00\x00\xFF\xFF\x00", "\x00\x00\xFF\x00\x00\xFF\xFF\xFF",
+ "\x00\x00\xFF\x00\xFF\x00\x00\x00", "\x00\x00\xFF\x00\xFF\x00\x00\xFF",
+ "\x00\x00\xFF\x00\xFF\x00\xFF\x00", "\x00\x00\xFF\x00\xFF\x00\xFF\xFF",
+ "\x00\x00\xFF\x00\xFF\xFF\x00\x00", "\x00\x00\xFF\x00\xFF\xFF\x00\xFF",
+ "\x00\x00\xFF\x00\xFF\xFF\xFF\x00", "\x00\x00\xFF\x00\xFF\xFF\xFF\xFF",
+ "\x00\x00\xFF\xFF\x00\x00\x00\x00", "\x00\x00\xFF\xFF\x00\x00\x00\xFF",
+ "\x00\x00\xFF\xFF\x00\x00\xFF\x00", "\x00\x00\xFF\xFF\x00\x00\xFF\xFF",
+ "\x00\x00\xFF\xFF\x00\xFF\x00\x00", "\x00\x00\xFF\xFF\x00\xFF\x00\xFF",
+ "\x00\x00\xFF\xFF\x00\xFF\xFF\x00", "\x00\x00\xFF\xFF\x00\xFF\xFF\xFF",
+ "\x00\x00\xFF\xFF\xFF\x00\x00\x00", "\x00\x00\xFF\xFF\xFF\x00\x00\xFF",
+ "\x00\x00\xFF\xFF\xFF\x00\xFF\x00", "\x00\x00\xFF\xFF\xFF\x00\xFF\xFF",
+ "\x00\x00\xFF\xFF\xFF\xFF\x00\x00", "\x00\x00\xFF\xFF\xFF\xFF\x00\xFF",
+ "\x00\x00\xFF\xFF\xFF\xFF\xFF\x00", "\x00\x00\xFF\xFF\xFF\xFF\xFF\xFF",
+ "\x00\xFF\x00\x00\x00\x00\x00\x00", "\x00\xFF\x00\x00\x00\x00\x00\xFF",
+ "\x00\xFF\x00\x00\x00\x00\xFF\x00", "\x00\xFF\x00\x00\x00\x00\xFF\xFF",
+ "\x00\xFF\x00\x00\x00\xFF\x00\x00", "\x00\xFF\x00\x00\x00\xFF\x00\xFF",
+ "\x00\xFF\x00\x00\x00\xFF\xFF\x00", "\x00\xFF\x00\x00\x00\xFF\xFF\xFF",
+ "\x00\xFF\x00\x00\xFF\x00\x00\x00", "\x00\xFF\x00\x00\xFF\x00\x00\xFF",
+ "\x00\xFF\x00\x00\xFF\x00\xFF\x00", "\x00\xFF\x00\x00\xFF\x00\xFF\xFF",
+ "\x00\xFF\x00\x00\xFF\xFF\x00\x00", "\x00\xFF\x00\x00\xFF\xFF\x00\xFF",
+ "\x00\xFF\x00\x00\xFF\xFF\xFF\x00", "\x00\xFF\x00\x00\xFF\xFF\xFF\xFF",
+ "\x00\xFF\x00\xFF\x00\x00\x00\x00", "\x00\xFF\x00\xFF\x00\x00\x00\xFF",
+ "\x00\xFF\x00\xFF\x00\x00\xFF\x00", "\x00\xFF\x00\xFF\x00\x00\xFF\xFF",
+ "\x00\xFF\x00\xFF\x00\xFF\x00\x00", "\x00\xFF\x00\xFF\x00\xFF\x00\xFF",
+ "\x00\xFF\x00\xFF\x00\xFF\xFF\x00", "\x00\xFF\x00\xFF\x00\xFF\xFF\xFF",
+ "\x00\xFF\x00\xFF\xFF\x00\x00\x00", "\x00\xFF\x00\xFF\xFF\x00\x00\xFF",
+ "\x00\xFF\x00\xFF\xFF\x00\xFF\x00", "\x00\xFF\x00\xFF\xFF\x00\xFF\xFF",
+ "\x00\xFF\x00\xFF\xFF\xFF\x00\x00", "\x00\xFF\x00\xFF\xFF\xFF\x00\xFF",
+ "\x00\xFF\x00\xFF\xFF\xFF\xFF\x00", "\x00\xFF\x00\xFF\xFF\xFF\xFF\xFF",
+ "\x00\xFF\xFF\x00\x00\x00\x00\x00", "\x00\xFF\xFF\x00\x00\x00\x00\xFF",
+ "\x00\xFF\xFF\x00\x00\x00\xFF\x00", "\x00\xFF\xFF\x00\x00\x00\xFF\xFF",
+ "\x00\xFF\xFF\x00\x00\xFF\x00\x00", "\x00\xFF\xFF\x00\x00\xFF\x00\xFF",
+ "\x00\xFF\xFF\x00\x00\xFF\xFF\x00", "\x00\xFF\xFF\x00\x00\xFF\xFF\xFF",
+ "\x00\xFF\xFF\x00\xFF\x00\x00\x00", "\x00\xFF\xFF\x00\xFF\x00\x00\xFF",
+ "\x00\xFF\xFF\x00\xFF\x00\xFF\x00", "\x00\xFF\xFF\x00\xFF\x00\xFF\xFF",
+ "\x00\xFF\xFF\x00\xFF\xFF\x00\x00", "\x00\xFF\xFF\x00\xFF\xFF\x00\xFF",
+ "\x00\xFF\xFF\x00\xFF\xFF\xFF\x00", "\x00\xFF\xFF\x00\xFF\xFF\xFF\xFF",
+ "\x00\xFF\xFF\xFF\x00\x00\x00\x00", "\x00\xFF\xFF\xFF\x00\x00\x00\xFF",
+ "\x00\xFF\xFF\xFF\x00\x00\xFF\x00", "\x00\xFF\xFF\xFF\x00\x00\xFF\xFF",
+ "\x00\xFF\xFF\xFF\x00\xFF\x00\x00", "\x00\xFF\xFF\xFF\x00\xFF\x00\xFF",
+ "\x00\xFF\xFF\xFF\x00\xFF\xFF\x00", "\x00\xFF\xFF\xFF\x00\xFF\xFF\xFF",
+ "\x00\xFF\xFF\xFF\xFF\x00\x00\x00", "\x00\xFF\xFF\xFF\xFF\x00\x00\xFF",
+ "\x00\xFF\xFF\xFF\xFF\x00\xFF\x00", "\x00\xFF\xFF\xFF\xFF\x00\xFF\xFF",
+ "\x00\xFF\xFF\xFF\xFF\xFF\x00\x00", "\x00\xFF\xFF\xFF\xFF\xFF\x00\xFF",
+ "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\x00\xFF\xFF\xFF\xFF\xFF\xFF\xFF",
+ "\xFF\x00\x00\x00\x00\x00\x00\x00", "\xFF\x00\x00\x00\x00\x00\x00\xFF",
+ "\xFF\x00\x00\x00\x00\x00\xFF\x00", "\xFF\x00\x00\x00\x00\x00\xFF\xFF",
+ "\xFF\x00\x00\x00\x00\xFF\x00\x00", "\xFF\x00\x00\x00\x00\xFF\x00\xFF",
+ "\xFF\x00\x00\x00\x00\xFF\xFF\x00", "\xFF\x00\x00\x00\x00\xFF\xFF\xFF",
+ "\xFF\x00\x00\x00\xFF\x00\x00\x00", "\xFF\x00\x00\x00\xFF\x00\x00\xFF",
+ "\xFF\x00\x00\x00\xFF\x00\xFF\x00", "\xFF\x00\x00\x00\xFF\x00\xFF\xFF",
+ "\xFF\x00\x00\x00\xFF\xFF\x00\x00", "\xFF\x00\x00\x00\xFF\xFF\x00\xFF",
+ "\xFF\x00\x00\x00\xFF\xFF\xFF\x00", "\xFF\x00\x00\x00\xFF\xFF\xFF\xFF",
+ "\xFF\x00\x00\xFF\x00\x00\x00\x00", "\xFF\x00\x00\xFF\x00\x00\x00\xFF",
+ "\xFF\x00\x00\xFF\x00\x00\xFF\x00", "\xFF\x00\x00\xFF\x00\x00\xFF\xFF",
+ "\xFF\x00\x00\xFF\x00\xFF\x00\x00", "\xFF\x00\x00\xFF\x00\xFF\x00\xFF",
+ "\xFF\x00\x00\xFF\x00\xFF\xFF\x00", "\xFF\x00\x00\xFF\x00\xFF\xFF\xFF",
+ "\xFF\x00\x00\xFF\xFF\x00\x00\x00", "\xFF\x00\x00\xFF\xFF\x00\x00\xFF",
+ "\xFF\x00\x00\xFF\xFF\x00\xFF\x00", "\xFF\x00\x00\xFF\xFF\x00\xFF\xFF",
+ "\xFF\x00\x00\xFF\xFF\xFF\x00\x00", "\xFF\x00\x00\xFF\xFF\xFF\x00\xFF",
+ "\xFF\x00\x00\xFF\xFF\xFF\xFF\x00", "\xFF\x00\x00\xFF\xFF\xFF\xFF\xFF",
+ "\xFF\x00\xFF\x00\x00\x00\x00\x00", "\xFF\x00\xFF\x00\x00\x00\x00\xFF",
+ "\xFF\x00\xFF\x00\x00\x00\xFF\x00", "\xFF\x00\xFF\x00\x00\x00\xFF\xFF",
+ "\xFF\x00\xFF\x00\x00\xFF\x00\x00", "\xFF\x00\xFF\x00\x00\xFF\x00\xFF",
+ "\xFF\x00\xFF\x00\x00\xFF\xFF\x00", "\xFF\x00\xFF\x00\x00\xFF\xFF\xFF",
+ "\xFF\x00\xFF\x00\xFF\x00\x00\x00", "\xFF\x00\xFF\x00\xFF\x00\x00\xFF",
+ "\xFF\x00\xFF\x00\xFF\x00\xFF\x00", "\xFF\x00\xFF\x00\xFF\x00\xFF\xFF",
+ "\xFF\x00\xFF\x00\xFF\xFF\x00\x00", "\xFF\x00\xFF\x00\xFF\xFF\x00\xFF",
+ "\xFF\x00\xFF\x00\xFF\xFF\xFF\x00", "\xFF\x00\xFF\x00\xFF\xFF\xFF\xFF",
+ "\xFF\x00\xFF\xFF\x00\x00\x00\x00", "\xFF\x00\xFF\xFF\x00\x00\x00\xFF",
+ "\xFF\x00\xFF\xFF\x00\x00\xFF\x00", "\xFF\x00\xFF\xFF\x00\x00\xFF\xFF",
+ "\xFF\x00\xFF\xFF\x00\xFF\x00\x00", "\xFF\x00\xFF\xFF\x00\xFF\x00\xFF",
+ "\xFF\x00\xFF\xFF\x00\xFF\xFF\x00", "\xFF\x00\xFF\xFF\x00\xFF\xFF\xFF",
+ "\xFF\x00\xFF\xFF\xFF\x00\x00\x00", "\xFF\x00\xFF\xFF\xFF\x00\x00\xFF",
+ "\xFF\x00\xFF\xFF\xFF\x00\xFF\x00", "\xFF\x00\xFF\xFF\xFF\x00\xFF\xFF",
+ "\xFF\x00\xFF\xFF\xFF\xFF\x00\x00", "\xFF\x00\xFF\xFF\xFF\xFF\x00\xFF",
+ "\xFF\x00\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\x00\xFF\xFF\xFF\xFF\xFF\xFF",
+ "\xFF\xFF\x00\x00\x00\x00\x00\x00", "\xFF\xFF\x00\x00\x00\x00\x00\xFF",
+ "\xFF\xFF\x00\x00\x00\x00\xFF\x00", "\xFF\xFF\x00\x00\x00\x00\xFF\xFF",
+ "\xFF\xFF\x00\x00\x00\xFF\x00\x00", "\xFF\xFF\x00\x00\x00\xFF\x00\xFF",
+ "\xFF\xFF\x00\x00\x00\xFF\xFF\x00", "\xFF\xFF\x00\x00\x00\xFF\xFF\xFF",
+ "\xFF\xFF\x00\x00\xFF\x00\x00\x00", "\xFF\xFF\x00\x00\xFF\x00\x00\xFF",
+ "\xFF\xFF\x00\x00\xFF\x00\xFF\x00", "\xFF\xFF\x00\x00\xFF\x00\xFF\xFF",
+ "\xFF\xFF\x00\x00\xFF\xFF\x00\x00", "\xFF\xFF\x00\x00\xFF\xFF\x00\xFF",
+ "\xFF\xFF\x00\x00\xFF\xFF\xFF\x00", "\xFF\xFF\x00\x00\xFF\xFF\xFF\xFF",
+ "\xFF\xFF\x00\xFF\x00\x00\x00\x00", "\xFF\xFF\x00\xFF\x00\x00\x00\xFF",
+ "\xFF\xFF\x00\xFF\x00\x00\xFF\x00", "\xFF\xFF\x00\xFF\x00\x00\xFF\xFF",
+ "\xFF\xFF\x00\xFF\x00\xFF\x00\x00", "\xFF\xFF\x00\xFF\x00\xFF\x00\xFF",
+ "\xFF\xFF\x00\xFF\x00\xFF\xFF\x00", "\xFF\xFF\x00\xFF\x00\xFF\xFF\xFF",
+ "\xFF\xFF\x00\xFF\xFF\x00\x00\x00", "\xFF\xFF\x00\xFF\xFF\x00\x00\xFF",
+ "\xFF\xFF\x00\xFF\xFF\x00\xFF\x00", "\xFF\xFF\x00\xFF\xFF\x00\xFF\xFF",
+ "\xFF\xFF\x00\xFF\xFF\xFF\x00\x00", "\xFF\xFF\x00\xFF\xFF\xFF\x00\xFF",
+ "\xFF\xFF\x00\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\x00\xFF\xFF\xFF\xFF\xFF",
+ "\xFF\xFF\xFF\x00\x00\x00\x00\x00", "\xFF\xFF\xFF\x00\x00\x00\x00\xFF",
+ "\xFF\xFF\xFF\x00\x00\x00\xFF\x00", "\xFF\xFF\xFF\x00\x00\x00\xFF\xFF",
+ "\xFF\xFF\xFF\x00\x00\xFF\x00\x00", "\xFF\xFF\xFF\x00\x00\xFF\x00\xFF",
+ "\xFF\xFF\xFF\x00\x00\xFF\xFF\x00", "\xFF\xFF\xFF\x00\x00\xFF\xFF\xFF",
+ "\xFF\xFF\xFF\x00\xFF\x00\x00\x00", "\xFF\xFF\xFF\x00\xFF\x00\x00\xFF",
+ "\xFF\xFF\xFF\x00\xFF\x00\xFF\x00", "\xFF\xFF\xFF\x00\xFF\x00\xFF\xFF",
+ "\xFF\xFF\xFF\x00\xFF\xFF\x00\x00", "\xFF\xFF\xFF\x00\xFF\xFF\x00\xFF",
+ "\xFF\xFF\xFF\x00\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\x00\xFF\xFF\xFF\xFF",
+ "\xFF\xFF\xFF\xFF\x00\x00\x00\x00", "\xFF\xFF\xFF\xFF\x00\x00\x00\xFF",
+ "\xFF\xFF\xFF\xFF\x00\x00\xFF\x00", "\xFF\xFF\xFF\xFF\x00\x00\xFF\xFF",
+ "\xFF\xFF\xFF\xFF\x00\xFF\x00\x00", "\xFF\xFF\xFF\xFF\x00\xFF\x00\xFF",
+ "\xFF\xFF\xFF\xFF\x00\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\x00\xFF\xFF\xFF",
+ "\xFF\xFF\xFF\xFF\xFF\x00\x00\x00", "\xFF\xFF\xFF\xFF\xFF\x00\x00\xFF",
+ "\xFF\xFF\xFF\xFF\xFF\x00\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\x00\xFF\xFF",
+ "\xFF\xFF\xFF\xFF\xFF\xFF\x00\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\x00\xFF",
+ "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"
+ );
+
+ /**
+ * IP mapping helper table.
+ *
+ * Indexing this table with each source byte performs the initial bit permutation.
+ *
+ * @var Array
+ * @access private
+ */
+ var $ipmap = array(
+ 0x00, 0x10, 0x01, 0x11, 0x20, 0x30, 0x21, 0x31,
+ 0x02, 0x12, 0x03, 0x13, 0x22, 0x32, 0x23, 0x33,
+ 0x40, 0x50, 0x41, 0x51, 0x60, 0x70, 0x61, 0x71,
+ 0x42, 0x52, 0x43, 0x53, 0x62, 0x72, 0x63, 0x73,
+ 0x04, 0x14, 0x05, 0x15, 0x24, 0x34, 0x25, 0x35,
+ 0x06, 0x16, 0x07, 0x17, 0x26, 0x36, 0x27, 0x37,
+ 0x44, 0x54, 0x45, 0x55, 0x64, 0x74, 0x65, 0x75,
+ 0x46, 0x56, 0x47, 0x57, 0x66, 0x76, 0x67, 0x77,
+ 0x80, 0x90, 0x81, 0x91, 0xA0, 0xB0, 0xA1, 0xB1,
+ 0x82, 0x92, 0x83, 0x93, 0xA2, 0xB2, 0xA3, 0xB3,
+ 0xC0, 0xD0, 0xC1, 0xD1, 0xE0, 0xF0, 0xE1, 0xF1,
+ 0xC2, 0xD2, 0xC3, 0xD3, 0xE2, 0xF2, 0xE3, 0xF3,
+ 0x84, 0x94, 0x85, 0x95, 0xA4, 0xB4, 0xA5, 0xB5,
+ 0x86, 0x96, 0x87, 0x97, 0xA6, 0xB6, 0xA7, 0xB7,
+ 0xC4, 0xD4, 0xC5, 0xD5, 0xE4, 0xF4, 0xE5, 0xF5,
+ 0xC6, 0xD6, 0xC7, 0xD7, 0xE6, 0xF6, 0xE7, 0xF7,
+ 0x08, 0x18, 0x09, 0x19, 0x28, 0x38, 0x29, 0x39,
+ 0x0A, 0x1A, 0x0B, 0x1B, 0x2A, 0x3A, 0x2B, 0x3B,
+ 0x48, 0x58, 0x49, 0x59, 0x68, 0x78, 0x69, 0x79,
+ 0x4A, 0x5A, 0x4B, 0x5B, 0x6A, 0x7A, 0x6B, 0x7B,
+ 0x0C, 0x1C, 0x0D, 0x1D, 0x2C, 0x3C, 0x2D, 0x3D,
+ 0x0E, 0x1E, 0x0F, 0x1F, 0x2E, 0x3E, 0x2F, 0x3F,
+ 0x4C, 0x5C, 0x4D, 0x5D, 0x6C, 0x7C, 0x6D, 0x7D,
+ 0x4E, 0x5E, 0x4F, 0x5F, 0x6E, 0x7E, 0x6F, 0x7F,
+ 0x88, 0x98, 0x89, 0x99, 0xA8, 0xB8, 0xA9, 0xB9,
+ 0x8A, 0x9A, 0x8B, 0x9B, 0xAA, 0xBA, 0xAB, 0xBB,
+ 0xC8, 0xD8, 0xC9, 0xD9, 0xE8, 0xF8, 0xE9, 0xF9,
+ 0xCA, 0xDA, 0xCB, 0xDB, 0xEA, 0xFA, 0xEB, 0xFB,
+ 0x8C, 0x9C, 0x8D, 0x9D, 0xAC, 0xBC, 0xAD, 0xBD,
+ 0x8E, 0x9E, 0x8F, 0x9F, 0xAE, 0xBE, 0xAF, 0xBF,
+ 0xCC, 0xDC, 0xCD, 0xDD, 0xEC, 0xFC, 0xED, 0xFD,
+ 0xCE, 0xDE, 0xCF, 0xDF, 0xEE, 0xFE, 0xEF, 0xFF
+ );
+
+ /**
+ * Inverse IP mapping helper table.
+ * Indexing this table with a byte value reverses the bit order.
+ *
+ * @var Array
+ * @access private
+ */
+ var $invipmap = array(
+ 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
+ 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
+ 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
+ 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
+ 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4,
+ 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
+ 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC,
+ 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
+ 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
+ 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
+ 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA,
+ 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
+ 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6,
+ 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
+ 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
+ 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
+ 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,
+ 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
+ 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,
+ 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
+ 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
+ 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
+ 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,
+ 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
+ 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,
+ 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
+ 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
+ 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
+ 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,
+ 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
+ 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,
+ 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
+ );
+
+ /**
+ * Pre-permuted S-box1
+ *
+ * Each box ($sbox1-$sbox8) has been vectorized, then each value pre-permuted using the
+ * P table: concatenation can then be replaced by exclusive ORs.
+ *
+ * @var Array
+ * @access private
+ */
+ var $sbox1 = array(
+ 0x00808200, 0x00000000, 0x00008000, 0x00808202,
+ 0x00808002, 0x00008202, 0x00000002, 0x00008000,
+ 0x00000200, 0x00808200, 0x00808202, 0x00000200,
+ 0x00800202, 0x00808002, 0x00800000, 0x00000002,
+ 0x00000202, 0x00800200, 0x00800200, 0x00008200,
+ 0x00008200, 0x00808000, 0x00808000, 0x00800202,
+ 0x00008002, 0x00800002, 0x00800002, 0x00008002,
+ 0x00000000, 0x00000202, 0x00008202, 0x00800000,
+ 0x00008000, 0x00808202, 0x00000002, 0x00808000,
+ 0x00808200, 0x00800000, 0x00800000, 0x00000200,
+ 0x00808002, 0x00008000, 0x00008200, 0x00800002,
+ 0x00000200, 0x00000002, 0x00800202, 0x00008202,
+ 0x00808202, 0x00008002, 0x00808000, 0x00800202,
+ 0x00800002, 0x00000202, 0x00008202, 0x00808200,
+ 0x00000202, 0x00800200, 0x00800200, 0x00000000,
+ 0x00008002, 0x00008200, 0x00000000, 0x00808002
+ );
+
+ /**
+ * Pre-permuted S-box2
+ *
+ * @var Array
+ * @access private
+ */
+ var $sbox2 = array(
+ 0x40084010, 0x40004000, 0x00004000, 0x00084010,
+ 0x00080000, 0x00000010, 0x40080010, 0x40004010,
+ 0x40000010, 0x40084010, 0x40084000, 0x40000000,
+ 0x40004000, 0x00080000, 0x00000010, 0x40080010,
+ 0x00084000, 0x00080010, 0x40004010, 0x00000000,
+ 0x40000000, 0x00004000, 0x00084010, 0x40080000,
+ 0x00080010, 0x40000010, 0x00000000, 0x00084000,
+ 0x00004010, 0x40084000, 0x40080000, 0x00004010,
+ 0x00000000, 0x00084010, 0x40080010, 0x00080000,
+ 0x40004010, 0x40080000, 0x40084000, 0x00004000,
+ 0x40080000, 0x40004000, 0x00000010, 0x40084010,
+ 0x00084010, 0x00000010, 0x00004000, 0x40000000,
+ 0x00004010, 0x40084000, 0x00080000, 0x40000010,
+ 0x00080010, 0x40004010, 0x40000010, 0x00080010,
+ 0x00084000, 0x00000000, 0x40004000, 0x00004010,
+ 0x40000000, 0x40080010, 0x40084010, 0x00084000
+ );
+
+ /**
+ * Pre-permuted S-box3
+ *
+ * @var Array
+ * @access private
+ */
+ var $sbox3 = array(
+ 0x00000104, 0x04010100, 0x00000000, 0x04010004,
+ 0x04000100, 0x00000000, 0x00010104, 0x04000100,
+ 0x00010004, 0x04000004, 0x04000004, 0x00010000,
+ 0x04010104, 0x00010004, 0x04010000, 0x00000104,
+ 0x04000000, 0x00000004, 0x04010100, 0x00000100,
+ 0x00010100, 0x04010000, 0x04010004, 0x00010104,
+ 0x04000104, 0x00010100, 0x00010000, 0x04000104,
+ 0x00000004, 0x04010104, 0x00000100, 0x04000000,
+ 0x04010100, 0x04000000, 0x00010004, 0x00000104,
+ 0x00010000, 0x04010100, 0x04000100, 0x00000000,
+ 0x00000100, 0x00010004, 0x04010104, 0x04000100,
+ 0x04000004, 0x00000100, 0x00000000, 0x04010004,
+ 0x04000104, 0x00010000, 0x04000000, 0x04010104,
+ 0x00000004, 0x00010104, 0x00010100, 0x04000004,
+ 0x04010000, 0x04000104, 0x00000104, 0x04010000,
+ 0x00010104, 0x00000004, 0x04010004, 0x00010100
+ );
+
+ /**
+ * Pre-permuted S-box4
+ *
+ * @var Array
+ * @access private
+ */
+ var $sbox4 = array(
+ 0x80401000, 0x80001040, 0x80001040, 0x00000040,
+ 0x00401040, 0x80400040, 0x80400000, 0x80001000,
+ 0x00000000, 0x00401000, 0x00401000, 0x80401040,
+ 0x80000040, 0x00000000, 0x00400040, 0x80400000,
+ 0x80000000, 0x00001000, 0x00400000, 0x80401000,
+ 0x00000040, 0x00400000, 0x80001000, 0x00001040,
+ 0x80400040, 0x80000000, 0x00001040, 0x00400040,
+ 0x00001000, 0x00401040, 0x80401040, 0x80000040,
+ 0x00400040, 0x80400000, 0x00401000, 0x80401040,
+ 0x80000040, 0x00000000, 0x00000000, 0x00401000,
+ 0x00001040, 0x00400040, 0x80400040, 0x80000000,
+ 0x80401000, 0x80001040, 0x80001040, 0x00000040,
+ 0x80401040, 0x80000040, 0x80000000, 0x00001000,
+ 0x80400000, 0x80001000, 0x00401040, 0x80400040,
+ 0x80001000, 0x00001040, 0x00400000, 0x80401000,
+ 0x00000040, 0x00400000, 0x00001000, 0x00401040
+ );
+
+ /**
+ * Pre-permuted S-box5
+ *
+ * @var Array
+ * @access private
+ */
+ var $sbox5 = array(
+ 0x00000080, 0x01040080, 0x01040000, 0x21000080,
+ 0x00040000, 0x00000080, 0x20000000, 0x01040000,
+ 0x20040080, 0x00040000, 0x01000080, 0x20040080,
+ 0x21000080, 0x21040000, 0x00040080, 0x20000000,
+ 0x01000000, 0x20040000, 0x20040000, 0x00000000,
+ 0x20000080, 0x21040080, 0x21040080, 0x01000080,
+ 0x21040000, 0x20000080, 0x00000000, 0x21000000,
+ 0x01040080, 0x01000000, 0x21000000, 0x00040080,
+ 0x00040000, 0x21000080, 0x00000080, 0x01000000,
+ 0x20000000, 0x01040000, 0x21000080, 0x20040080,
+ 0x01000080, 0x20000000, 0x21040000, 0x01040080,
+ 0x20040080, 0x00000080, 0x01000000, 0x21040000,
+ 0x21040080, 0x00040080, 0x21000000, 0x21040080,
+ 0x01040000, 0x00000000, 0x20040000, 0x21000000,
+ 0x00040080, 0x01000080, 0x20000080, 0x00040000,
+ 0x00000000, 0x20040000, 0x01040080, 0x20000080
+ );
+
+ /**
+ * Pre-permuted S-box6
+ *
+ * @var Array
+ * @access private
+ */
+ var $sbox6 = array(
+ 0x10000008, 0x10200000, 0x00002000, 0x10202008,
+ 0x10200000, 0x00000008, 0x10202008, 0x00200000,
+ 0x10002000, 0x00202008, 0x00200000, 0x10000008,
+ 0x00200008, 0x10002000, 0x10000000, 0x00002008,
+ 0x00000000, 0x00200008, 0x10002008, 0x00002000,
+ 0x00202000, 0x10002008, 0x00000008, 0x10200008,
+ 0x10200008, 0x00000000, 0x00202008, 0x10202000,
+ 0x00002008, 0x00202000, 0x10202000, 0x10000000,
+ 0x10002000, 0x00000008, 0x10200008, 0x00202000,
+ 0x10202008, 0x00200000, 0x00002008, 0x10000008,
+ 0x00200000, 0x10002000, 0x10000000, 0x00002008,
+ 0x10000008, 0x10202008, 0x00202000, 0x10200000,
+ 0x00202008, 0x10202000, 0x00000000, 0x10200008,
+ 0x00000008, 0x00002000, 0x10200000, 0x00202008,
+ 0x00002000, 0x00200008, 0x10002008, 0x00000000,
+ 0x10202000, 0x10000000, 0x00200008, 0x10002008
+ );
+
+ /**
+ * Pre-permuted S-box7
+ *
+ * @var Array
+ * @access private
+ */
+ var $sbox7 = array(
+ 0x00100000, 0x02100001, 0x02000401, 0x00000000,
+ 0x00000400, 0x02000401, 0x00100401, 0x02100400,
+ 0x02100401, 0x00100000, 0x00000000, 0x02000001,
+ 0x00000001, 0x02000000, 0x02100001, 0x00000401,
+ 0x02000400, 0x00100401, 0x00100001, 0x02000400,
+ 0x02000001, 0x02100000, 0x02100400, 0x00100001,
+ 0x02100000, 0x00000400, 0x00000401, 0x02100401,
+ 0x00100400, 0x00000001, 0x02000000, 0x00100400,
+ 0x02000000, 0x00100400, 0x00100000, 0x02000401,
+ 0x02000401, 0x02100001, 0x02100001, 0x00000001,
+ 0x00100001, 0x02000000, 0x02000400, 0x00100000,
+ 0x02100400, 0x00000401, 0x00100401, 0x02100400,
+ 0x00000401, 0x02000001, 0x02100401, 0x02100000,
+ 0x00100400, 0x00000000, 0x00000001, 0x02100401,
+ 0x00000000, 0x00100401, 0x02100000, 0x00000400,
+ 0x02000001, 0x02000400, 0x00000400, 0x00100001
+ );
+
+ /**
+ * Pre-permuted S-box8
+ *
+ * @var Array
+ * @access private
+ */
+ var $sbox8 = array(
+ 0x08000820, 0x00000800, 0x00020000, 0x08020820,
+ 0x08000000, 0x08000820, 0x00000020, 0x08000000,
+ 0x00020020, 0x08020000, 0x08020820, 0x00020800,
+ 0x08020800, 0x00020820, 0x00000800, 0x00000020,
+ 0x08020000, 0x08000020, 0x08000800, 0x00000820,
+ 0x00020800, 0x00020020, 0x08020020, 0x08020800,
+ 0x00000820, 0x00000000, 0x00000000, 0x08020020,
+ 0x08000020, 0x08000800, 0x00020820, 0x00020000,
+ 0x00020820, 0x00020000, 0x08020800, 0x00000800,
+ 0x00000020, 0x08020020, 0x00000800, 0x00020820,
+ 0x08000800, 0x00000020, 0x08000020, 0x08020000,
+ 0x08020020, 0x08000000, 0x00020000, 0x08000820,
+ 0x00000000, 0x08020820, 0x00020020, 0x08000020,
+ 0x08020000, 0x08000800, 0x08000820, 0x00000000,
+ 0x08020820, 0x00020800, 0x00020800, 0x00000820,
+ 0x00000820, 0x00020020, 0x08000000, 0x08020800
+ );
+
+ /**
+ * Sets the key.
+ *
+ * Keys can be of any length. DES, itself, uses 64-bit keys (eg. strlen($key) == 8), however, we
+ * only use the first eight, if $key has more then eight characters in it, and pad $key with the
+ * null byte if it is less then eight characters long.
+ *
+ * DES also requires that every eighth bit be a parity bit, however, we'll ignore that.
+ *
+ * If the key is not explicitly set, it'll be assumed to be all zero's.
+ *
+ * @see Crypt_Base::setKey()
+ * @access public
+ * @param String $key
+ */
+ function setKey($key)
+ {
+ // We check/cut here only up to max length of the key.
+ // Key padding to the proper length will be done in _setupKey()
+ if (strlen($key) > $this->key_size_max) {
+ $key = substr($key, 0, $this->key_size_max);
+ }
+
+ // Sets the key
+ parent::setKey($key);
+ }
+
+ /**
+ * Encrypts a block
+ *
+ * @see Crypt_Base::_encryptBlock()
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_DES::encrypt()
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _encryptBlock($in)
+ {
+ return $this->_processBlock($in, CRYPT_DES_ENCRYPT);
+ }
+
+ /**
+ * Decrypts a block
+ *
+ * @see Crypt_Base::_decryptBlock()
+ * @see Crypt_Base::decrypt()
+ * @see Crypt_DES::decrypt()
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _decryptBlock($in)
+ {
+ return $this->_processBlock($in, CRYPT_DES_DECRYPT);
+ }
+
+ /**
+ * Encrypts or decrypts a 64-bit block
+ *
+ * $mode should be either CRYPT_DES_ENCRYPT or CRYPT_DES_DECRYPT. See
+ * {@link http://en.wikipedia.org/wiki/Image:Feistel.png Feistel.png} to get a general
+ * idea of what this function does.
+ *
+ * @see Crypt_DES::_encryptBlock()
+ * @see Crypt_DES::_decryptBlock()
+ * @access private
+ * @param String $block
+ * @param Integer $mode
+ * @return String
+ */
+ function _processBlock($block, $mode)
+ {
+ static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip;
+ if (!$sbox1) {
+ $sbox1 = array_map("intval", $this->sbox1);
+ $sbox2 = array_map("intval", $this->sbox2);
+ $sbox3 = array_map("intval", $this->sbox3);
+ $sbox4 = array_map("intval", $this->sbox4);
+ $sbox5 = array_map("intval", $this->sbox5);
+ $sbox6 = array_map("intval", $this->sbox6);
+ $sbox7 = array_map("intval", $this->sbox7);
+ $sbox8 = array_map("intval", $this->sbox8);
+ /* Merge $shuffle with $[inv]ipmap */
+ for ($i = 0; $i < 256; ++$i) {
+ $shuffleip[] = $this->shuffle[$this->ipmap[$i]];
+ $shuffleinvip[] = $this->shuffle[$this->invipmap[$i]];
+ }
+ }
+
+ $keys = $this->keys[$mode];
+ $ki = -1;
+
+ // Do the initial IP permutation.
+ $t = unpack('Nl/Nr', $block);
+ list($l, $r) = array($t['l'], $t['r']);
+ $block = ($shuffleip[ $r & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") |
+ ($shuffleip[($r >> 8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") |
+ ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") |
+ ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") |
+ ($shuffleip[ $l & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") |
+ ($shuffleip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") |
+ ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") |
+ ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01");
+
+ // Extract L0 and R0.
+ $t = unpack('Nl/Nr', $block);
+ list($l, $r) = array($t['l'], $t['r']);
+
+ for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) {
+ // Perform the 16 steps.
+ for ($i = 0; $i < 16; $i++) {
+ // start of "the Feistel (F) function" - see the following URL:
+ // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png
+ // Merge key schedule.
+ $b1 = (($r >> 3) & 0x1FFFFFFF) ^ ($r << 29) ^ $keys[++$ki];
+ $b2 = (($r >> 31) & 0x00000001) ^ ($r << 1) ^ $keys[++$ki];
+
+ // S-box indexing.
+ $t = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^
+ $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^
+ $sbox5[($b1 >> 8) & 0x3F] ^ $sbox6[($b2 >> 8) & 0x3F] ^
+ $sbox7[ $b1 & 0x3F] ^ $sbox8[ $b2 & 0x3F] ^ $l;
+ // end of "the Feistel (F) function"
+
+ $l = $r;
+ $r = $t;
+ }
+
+ // Last step should not permute L & R.
+ $t = $l;
+ $l = $r;
+ $r = $t;
+ }
+
+ // Perform the inverse IP permutation.
+ return ($shuffleinvip[($r >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") |
+ ($shuffleinvip[($l >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") |
+ ($shuffleinvip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") |
+ ($shuffleinvip[($l >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") |
+ ($shuffleinvip[($r >> 8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") |
+ ($shuffleinvip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") |
+ ($shuffleinvip[ $r & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") |
+ ($shuffleinvip[ $l & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01");
+ }
+
+ /**
+ * Creates the key schedule
+ *
+ * @see Crypt_Base::_setupKey()
+ * @access private
+ */
+ function _setupKey()
+ {
+ if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->des_rounds === $this->kl['des_rounds']) {
+ // already expanded
+ return;
+ }
+ $this->kl = array('key' => $this->key, 'des_rounds' => $this->des_rounds);
+
+ static $shifts = array( // number of key bits shifted per round
+ 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1
+ );
+
+ static $pc1map = array(
+ 0x00, 0x00, 0x08, 0x08, 0x04, 0x04, 0x0C, 0x0C,
+ 0x02, 0x02, 0x0A, 0x0A, 0x06, 0x06, 0x0E, 0x0E,
+ 0x10, 0x10, 0x18, 0x18, 0x14, 0x14, 0x1C, 0x1C,
+ 0x12, 0x12, 0x1A, 0x1A, 0x16, 0x16, 0x1E, 0x1E,
+ 0x20, 0x20, 0x28, 0x28, 0x24, 0x24, 0x2C, 0x2C,
+ 0x22, 0x22, 0x2A, 0x2A, 0x26, 0x26, 0x2E, 0x2E,
+ 0x30, 0x30, 0x38, 0x38, 0x34, 0x34, 0x3C, 0x3C,
+ 0x32, 0x32, 0x3A, 0x3A, 0x36, 0x36, 0x3E, 0x3E,
+ 0x40, 0x40, 0x48, 0x48, 0x44, 0x44, 0x4C, 0x4C,
+ 0x42, 0x42, 0x4A, 0x4A, 0x46, 0x46, 0x4E, 0x4E,
+ 0x50, 0x50, 0x58, 0x58, 0x54, 0x54, 0x5C, 0x5C,
+ 0x52, 0x52, 0x5A, 0x5A, 0x56, 0x56, 0x5E, 0x5E,
+ 0x60, 0x60, 0x68, 0x68, 0x64, 0x64, 0x6C, 0x6C,
+ 0x62, 0x62, 0x6A, 0x6A, 0x66, 0x66, 0x6E, 0x6E,
+ 0x70, 0x70, 0x78, 0x78, 0x74, 0x74, 0x7C, 0x7C,
+ 0x72, 0x72, 0x7A, 0x7A, 0x76, 0x76, 0x7E, 0x7E,
+ 0x80, 0x80, 0x88, 0x88, 0x84, 0x84, 0x8C, 0x8C,
+ 0x82, 0x82, 0x8A, 0x8A, 0x86, 0x86, 0x8E, 0x8E,
+ 0x90, 0x90, 0x98, 0x98, 0x94, 0x94, 0x9C, 0x9C,
+ 0x92, 0x92, 0x9A, 0x9A, 0x96, 0x96, 0x9E, 0x9E,
+ 0xA0, 0xA0, 0xA8, 0xA8, 0xA4, 0xA4, 0xAC, 0xAC,
+ 0xA2, 0xA2, 0xAA, 0xAA, 0xA6, 0xA6, 0xAE, 0xAE,
+ 0xB0, 0xB0, 0xB8, 0xB8, 0xB4, 0xB4, 0xBC, 0xBC,
+ 0xB2, 0xB2, 0xBA, 0xBA, 0xB6, 0xB6, 0xBE, 0xBE,
+ 0xC0, 0xC0, 0xC8, 0xC8, 0xC4, 0xC4, 0xCC, 0xCC,
+ 0xC2, 0xC2, 0xCA, 0xCA, 0xC6, 0xC6, 0xCE, 0xCE,
+ 0xD0, 0xD0, 0xD8, 0xD8, 0xD4, 0xD4, 0xDC, 0xDC,
+ 0xD2, 0xD2, 0xDA, 0xDA, 0xD6, 0xD6, 0xDE, 0xDE,
+ 0xE0, 0xE0, 0xE8, 0xE8, 0xE4, 0xE4, 0xEC, 0xEC,
+ 0xE2, 0xE2, 0xEA, 0xEA, 0xE6, 0xE6, 0xEE, 0xEE,
+ 0xF0, 0xF0, 0xF8, 0xF8, 0xF4, 0xF4, 0xFC, 0xFC,
+ 0xF2, 0xF2, 0xFA, 0xFA, 0xF6, 0xF6, 0xFE, 0xFE
+ );
+
+ // Mapping tables for the PC-2 transformation.
+ static $pc2mapc1 = array(
+ 0x00000000, 0x00000400, 0x00200000, 0x00200400,
+ 0x00000001, 0x00000401, 0x00200001, 0x00200401,
+ 0x02000000, 0x02000400, 0x02200000, 0x02200400,
+ 0x02000001, 0x02000401, 0x02200001, 0x02200401
+ );
+ static $pc2mapc2 = array(
+ 0x00000000, 0x00000800, 0x08000000, 0x08000800,
+ 0x00010000, 0x00010800, 0x08010000, 0x08010800,
+ 0x00000000, 0x00000800, 0x08000000, 0x08000800,
+ 0x00010000, 0x00010800, 0x08010000, 0x08010800,
+ 0x00000100, 0x00000900, 0x08000100, 0x08000900,
+ 0x00010100, 0x00010900, 0x08010100, 0x08010900,
+ 0x00000100, 0x00000900, 0x08000100, 0x08000900,
+ 0x00010100, 0x00010900, 0x08010100, 0x08010900,
+ 0x00000010, 0x00000810, 0x08000010, 0x08000810,
+ 0x00010010, 0x00010810, 0x08010010, 0x08010810,
+ 0x00000010, 0x00000810, 0x08000010, 0x08000810,
+ 0x00010010, 0x00010810, 0x08010010, 0x08010810,
+ 0x00000110, 0x00000910, 0x08000110, 0x08000910,
+ 0x00010110, 0x00010910, 0x08010110, 0x08010910,
+ 0x00000110, 0x00000910, 0x08000110, 0x08000910,
+ 0x00010110, 0x00010910, 0x08010110, 0x08010910,
+ 0x00040000, 0x00040800, 0x08040000, 0x08040800,
+ 0x00050000, 0x00050800, 0x08050000, 0x08050800,
+ 0x00040000, 0x00040800, 0x08040000, 0x08040800,
+ 0x00050000, 0x00050800, 0x08050000, 0x08050800,
+ 0x00040100, 0x00040900, 0x08040100, 0x08040900,
+ 0x00050100, 0x00050900, 0x08050100, 0x08050900,
+ 0x00040100, 0x00040900, 0x08040100, 0x08040900,
+ 0x00050100, 0x00050900, 0x08050100, 0x08050900,
+ 0x00040010, 0x00040810, 0x08040010, 0x08040810,
+ 0x00050010, 0x00050810, 0x08050010, 0x08050810,
+ 0x00040010, 0x00040810, 0x08040010, 0x08040810,
+ 0x00050010, 0x00050810, 0x08050010, 0x08050810,
+ 0x00040110, 0x00040910, 0x08040110, 0x08040910,
+ 0x00050110, 0x00050910, 0x08050110, 0x08050910,
+ 0x00040110, 0x00040910, 0x08040110, 0x08040910,
+ 0x00050110, 0x00050910, 0x08050110, 0x08050910,
+ 0x01000000, 0x01000800, 0x09000000, 0x09000800,
+ 0x01010000, 0x01010800, 0x09010000, 0x09010800,
+ 0x01000000, 0x01000800, 0x09000000, 0x09000800,
+ 0x01010000, 0x01010800, 0x09010000, 0x09010800,
+ 0x01000100, 0x01000900, 0x09000100, 0x09000900,
+ 0x01010100, 0x01010900, 0x09010100, 0x09010900,
+ 0x01000100, 0x01000900, 0x09000100, 0x09000900,
+ 0x01010100, 0x01010900, 0x09010100, 0x09010900,
+ 0x01000010, 0x01000810, 0x09000010, 0x09000810,
+ 0x01010010, 0x01010810, 0x09010010, 0x09010810,
+ 0x01000010, 0x01000810, 0x09000010, 0x09000810,
+ 0x01010010, 0x01010810, 0x09010010, 0x09010810,
+ 0x01000110, 0x01000910, 0x09000110, 0x09000910,
+ 0x01010110, 0x01010910, 0x09010110, 0x09010910,
+ 0x01000110, 0x01000910, 0x09000110, 0x09000910,
+ 0x01010110, 0x01010910, 0x09010110, 0x09010910,
+ 0x01040000, 0x01040800, 0x09040000, 0x09040800,
+ 0x01050000, 0x01050800, 0x09050000, 0x09050800,
+ 0x01040000, 0x01040800, 0x09040000, 0x09040800,
+ 0x01050000, 0x01050800, 0x09050000, 0x09050800,
+ 0x01040100, 0x01040900, 0x09040100, 0x09040900,
+ 0x01050100, 0x01050900, 0x09050100, 0x09050900,
+ 0x01040100, 0x01040900, 0x09040100, 0x09040900,
+ 0x01050100, 0x01050900, 0x09050100, 0x09050900,
+ 0x01040010, 0x01040810, 0x09040010, 0x09040810,
+ 0x01050010, 0x01050810, 0x09050010, 0x09050810,
+ 0x01040010, 0x01040810, 0x09040010, 0x09040810,
+ 0x01050010, 0x01050810, 0x09050010, 0x09050810,
+ 0x01040110, 0x01040910, 0x09040110, 0x09040910,
+ 0x01050110, 0x01050910, 0x09050110, 0x09050910,
+ 0x01040110, 0x01040910, 0x09040110, 0x09040910,
+ 0x01050110, 0x01050910, 0x09050110, 0x09050910
+ );
+ static $pc2mapc3 = array(
+ 0x00000000, 0x00000004, 0x00001000, 0x00001004,
+ 0x00000000, 0x00000004, 0x00001000, 0x00001004,
+ 0x10000000, 0x10000004, 0x10001000, 0x10001004,
+ 0x10000000, 0x10000004, 0x10001000, 0x10001004,
+ 0x00000020, 0x00000024, 0x00001020, 0x00001024,
+ 0x00000020, 0x00000024, 0x00001020, 0x00001024,
+ 0x10000020, 0x10000024, 0x10001020, 0x10001024,
+ 0x10000020, 0x10000024, 0x10001020, 0x10001024,
+ 0x00080000, 0x00080004, 0x00081000, 0x00081004,
+ 0x00080000, 0x00080004, 0x00081000, 0x00081004,
+ 0x10080000, 0x10080004, 0x10081000, 0x10081004,
+ 0x10080000, 0x10080004, 0x10081000, 0x10081004,
+ 0x00080020, 0x00080024, 0x00081020, 0x00081024,
+ 0x00080020, 0x00080024, 0x00081020, 0x00081024,
+ 0x10080020, 0x10080024, 0x10081020, 0x10081024,
+ 0x10080020, 0x10080024, 0x10081020, 0x10081024,
+ 0x20000000, 0x20000004, 0x20001000, 0x20001004,
+ 0x20000000, 0x20000004, 0x20001000, 0x20001004,
+ 0x30000000, 0x30000004, 0x30001000, 0x30001004,
+ 0x30000000, 0x30000004, 0x30001000, 0x30001004,
+ 0x20000020, 0x20000024, 0x20001020, 0x20001024,
+ 0x20000020, 0x20000024, 0x20001020, 0x20001024,
+ 0x30000020, 0x30000024, 0x30001020, 0x30001024,
+ 0x30000020, 0x30000024, 0x30001020, 0x30001024,
+ 0x20080000, 0x20080004, 0x20081000, 0x20081004,
+ 0x20080000, 0x20080004, 0x20081000, 0x20081004,
+ 0x30080000, 0x30080004, 0x30081000, 0x30081004,
+ 0x30080000, 0x30080004, 0x30081000, 0x30081004,
+ 0x20080020, 0x20080024, 0x20081020, 0x20081024,
+ 0x20080020, 0x20080024, 0x20081020, 0x20081024,
+ 0x30080020, 0x30080024, 0x30081020, 0x30081024,
+ 0x30080020, 0x30080024, 0x30081020, 0x30081024,
+ 0x00000002, 0x00000006, 0x00001002, 0x00001006,
+ 0x00000002, 0x00000006, 0x00001002, 0x00001006,
+ 0x10000002, 0x10000006, 0x10001002, 0x10001006,
+ 0x10000002, 0x10000006, 0x10001002, 0x10001006,
+ 0x00000022, 0x00000026, 0x00001022, 0x00001026,
+ 0x00000022, 0x00000026, 0x00001022, 0x00001026,
+ 0x10000022, 0x10000026, 0x10001022, 0x10001026,
+ 0x10000022, 0x10000026, 0x10001022, 0x10001026,
+ 0x00080002, 0x00080006, 0x00081002, 0x00081006,
+ 0x00080002, 0x00080006, 0x00081002, 0x00081006,
+ 0x10080002, 0x10080006, 0x10081002, 0x10081006,
+ 0x10080002, 0x10080006, 0x10081002, 0x10081006,
+ 0x00080022, 0x00080026, 0x00081022, 0x00081026,
+ 0x00080022, 0x00080026, 0x00081022, 0x00081026,
+ 0x10080022, 0x10080026, 0x10081022, 0x10081026,
+ 0x10080022, 0x10080026, 0x10081022, 0x10081026,
+ 0x20000002, 0x20000006, 0x20001002, 0x20001006,
+ 0x20000002, 0x20000006, 0x20001002, 0x20001006,
+ 0x30000002, 0x30000006, 0x30001002, 0x30001006,
+ 0x30000002, 0x30000006, 0x30001002, 0x30001006,
+ 0x20000022, 0x20000026, 0x20001022, 0x20001026,
+ 0x20000022, 0x20000026, 0x20001022, 0x20001026,
+ 0x30000022, 0x30000026, 0x30001022, 0x30001026,
+ 0x30000022, 0x30000026, 0x30001022, 0x30001026,
+ 0x20080002, 0x20080006, 0x20081002, 0x20081006,
+ 0x20080002, 0x20080006, 0x20081002, 0x20081006,
+ 0x30080002, 0x30080006, 0x30081002, 0x30081006,
+ 0x30080002, 0x30080006, 0x30081002, 0x30081006,
+ 0x20080022, 0x20080026, 0x20081022, 0x20081026,
+ 0x20080022, 0x20080026, 0x20081022, 0x20081026,
+ 0x30080022, 0x30080026, 0x30081022, 0x30081026,
+ 0x30080022, 0x30080026, 0x30081022, 0x30081026
+ );
+ static $pc2mapc4 = array(
+ 0x00000000, 0x00100000, 0x00000008, 0x00100008,
+ 0x00000200, 0x00100200, 0x00000208, 0x00100208,
+ 0x00000000, 0x00100000, 0x00000008, 0x00100008,
+ 0x00000200, 0x00100200, 0x00000208, 0x00100208,
+ 0x04000000, 0x04100000, 0x04000008, 0x04100008,
+ 0x04000200, 0x04100200, 0x04000208, 0x04100208,
+ 0x04000000, 0x04100000, 0x04000008, 0x04100008,
+ 0x04000200, 0x04100200, 0x04000208, 0x04100208,
+ 0x00002000, 0x00102000, 0x00002008, 0x00102008,
+ 0x00002200, 0x00102200, 0x00002208, 0x00102208,
+ 0x00002000, 0x00102000, 0x00002008, 0x00102008,
+ 0x00002200, 0x00102200, 0x00002208, 0x00102208,
+ 0x04002000, 0x04102000, 0x04002008, 0x04102008,
+ 0x04002200, 0x04102200, 0x04002208, 0x04102208,
+ 0x04002000, 0x04102000, 0x04002008, 0x04102008,
+ 0x04002200, 0x04102200, 0x04002208, 0x04102208,
+ 0x00000000, 0x00100000, 0x00000008, 0x00100008,
+ 0x00000200, 0x00100200, 0x00000208, 0x00100208,
+ 0x00000000, 0x00100000, 0x00000008, 0x00100008,
+ 0x00000200, 0x00100200, 0x00000208, 0x00100208,
+ 0x04000000, 0x04100000, 0x04000008, 0x04100008,
+ 0x04000200, 0x04100200, 0x04000208, 0x04100208,
+ 0x04000000, 0x04100000, 0x04000008, 0x04100008,
+ 0x04000200, 0x04100200, 0x04000208, 0x04100208,
+ 0x00002000, 0x00102000, 0x00002008, 0x00102008,
+ 0x00002200, 0x00102200, 0x00002208, 0x00102208,
+ 0x00002000, 0x00102000, 0x00002008, 0x00102008,
+ 0x00002200, 0x00102200, 0x00002208, 0x00102208,
+ 0x04002000, 0x04102000, 0x04002008, 0x04102008,
+ 0x04002200, 0x04102200, 0x04002208, 0x04102208,
+ 0x04002000, 0x04102000, 0x04002008, 0x04102008,
+ 0x04002200, 0x04102200, 0x04002208, 0x04102208,
+ 0x00020000, 0x00120000, 0x00020008, 0x00120008,
+ 0x00020200, 0x00120200, 0x00020208, 0x00120208,
+ 0x00020000, 0x00120000, 0x00020008, 0x00120008,
+ 0x00020200, 0x00120200, 0x00020208, 0x00120208,
+ 0x04020000, 0x04120000, 0x04020008, 0x04120008,
+ 0x04020200, 0x04120200, 0x04020208, 0x04120208,
+ 0x04020000, 0x04120000, 0x04020008, 0x04120008,
+ 0x04020200, 0x04120200, 0x04020208, 0x04120208,
+ 0x00022000, 0x00122000, 0x00022008, 0x00122008,
+ 0x00022200, 0x00122200, 0x00022208, 0x00122208,
+ 0x00022000, 0x00122000, 0x00022008, 0x00122008,
+ 0x00022200, 0x00122200, 0x00022208, 0x00122208,
+ 0x04022000, 0x04122000, 0x04022008, 0x04122008,
+ 0x04022200, 0x04122200, 0x04022208, 0x04122208,
+ 0x04022000, 0x04122000, 0x04022008, 0x04122008,
+ 0x04022200, 0x04122200, 0x04022208, 0x04122208,
+ 0x00020000, 0x00120000, 0x00020008, 0x00120008,
+ 0x00020200, 0x00120200, 0x00020208, 0x00120208,
+ 0x00020000, 0x00120000, 0x00020008, 0x00120008,
+ 0x00020200, 0x00120200, 0x00020208, 0x00120208,
+ 0x04020000, 0x04120000, 0x04020008, 0x04120008,
+ 0x04020200, 0x04120200, 0x04020208, 0x04120208,
+ 0x04020000, 0x04120000, 0x04020008, 0x04120008,
+ 0x04020200, 0x04120200, 0x04020208, 0x04120208,
+ 0x00022000, 0x00122000, 0x00022008, 0x00122008,
+ 0x00022200, 0x00122200, 0x00022208, 0x00122208,
+ 0x00022000, 0x00122000, 0x00022008, 0x00122008,
+ 0x00022200, 0x00122200, 0x00022208, 0x00122208,
+ 0x04022000, 0x04122000, 0x04022008, 0x04122008,
+ 0x04022200, 0x04122200, 0x04022208, 0x04122208,
+ 0x04022000, 0x04122000, 0x04022008, 0x04122008,
+ 0x04022200, 0x04122200, 0x04022208, 0x04122208
+ );
+ static $pc2mapd1 = array(
+ 0x00000000, 0x00000001, 0x08000000, 0x08000001,
+ 0x00200000, 0x00200001, 0x08200000, 0x08200001,
+ 0x00000002, 0x00000003, 0x08000002, 0x08000003,
+ 0x00200002, 0x00200003, 0x08200002, 0x08200003
+ );
+ static $pc2mapd2 = array(
+ 0x00000000, 0x00100000, 0x00000800, 0x00100800,
+ 0x00000000, 0x00100000, 0x00000800, 0x00100800,
+ 0x04000000, 0x04100000, 0x04000800, 0x04100800,
+ 0x04000000, 0x04100000, 0x04000800, 0x04100800,
+ 0x00000004, 0x00100004, 0x00000804, 0x00100804,
+ 0x00000004, 0x00100004, 0x00000804, 0x00100804,
+ 0x04000004, 0x04100004, 0x04000804, 0x04100804,
+ 0x04000004, 0x04100004, 0x04000804, 0x04100804,
+ 0x00000000, 0x00100000, 0x00000800, 0x00100800,
+ 0x00000000, 0x00100000, 0x00000800, 0x00100800,
+ 0x04000000, 0x04100000, 0x04000800, 0x04100800,
+ 0x04000000, 0x04100000, 0x04000800, 0x04100800,
+ 0x00000004, 0x00100004, 0x00000804, 0x00100804,
+ 0x00000004, 0x00100004, 0x00000804, 0x00100804,
+ 0x04000004, 0x04100004, 0x04000804, 0x04100804,
+ 0x04000004, 0x04100004, 0x04000804, 0x04100804,
+ 0x00000200, 0x00100200, 0x00000A00, 0x00100A00,
+ 0x00000200, 0x00100200, 0x00000A00, 0x00100A00,
+ 0x04000200, 0x04100200, 0x04000A00, 0x04100A00,
+ 0x04000200, 0x04100200, 0x04000A00, 0x04100A00,
+ 0x00000204, 0x00100204, 0x00000A04, 0x00100A04,
+ 0x00000204, 0x00100204, 0x00000A04, 0x00100A04,
+ 0x04000204, 0x04100204, 0x04000A04, 0x04100A04,
+ 0x04000204, 0x04100204, 0x04000A04, 0x04100A04,
+ 0x00000200, 0x00100200, 0x00000A00, 0x00100A00,
+ 0x00000200, 0x00100200, 0x00000A00, 0x00100A00,
+ 0x04000200, 0x04100200, 0x04000A00, 0x04100A00,
+ 0x04000200, 0x04100200, 0x04000A00, 0x04100A00,
+ 0x00000204, 0x00100204, 0x00000A04, 0x00100A04,
+ 0x00000204, 0x00100204, 0x00000A04, 0x00100A04,
+ 0x04000204, 0x04100204, 0x04000A04, 0x04100A04,
+ 0x04000204, 0x04100204, 0x04000A04, 0x04100A04,
+ 0x00020000, 0x00120000, 0x00020800, 0x00120800,
+ 0x00020000, 0x00120000, 0x00020800, 0x00120800,
+ 0x04020000, 0x04120000, 0x04020800, 0x04120800,
+ 0x04020000, 0x04120000, 0x04020800, 0x04120800,
+ 0x00020004, 0x00120004, 0x00020804, 0x00120804,
+ 0x00020004, 0x00120004, 0x00020804, 0x00120804,
+ 0x04020004, 0x04120004, 0x04020804, 0x04120804,
+ 0x04020004, 0x04120004, 0x04020804, 0x04120804,
+ 0x00020000, 0x00120000, 0x00020800, 0x00120800,
+ 0x00020000, 0x00120000, 0x00020800, 0x00120800,
+ 0x04020000, 0x04120000, 0x04020800, 0x04120800,
+ 0x04020000, 0x04120000, 0x04020800, 0x04120800,
+ 0x00020004, 0x00120004, 0x00020804, 0x00120804,
+ 0x00020004, 0x00120004, 0x00020804, 0x00120804,
+ 0x04020004, 0x04120004, 0x04020804, 0x04120804,
+ 0x04020004, 0x04120004, 0x04020804, 0x04120804,
+ 0x00020200, 0x00120200, 0x00020A00, 0x00120A00,
+ 0x00020200, 0x00120200, 0x00020A00, 0x00120A00,
+ 0x04020200, 0x04120200, 0x04020A00, 0x04120A00,
+ 0x04020200, 0x04120200, 0x04020A00, 0x04120A00,
+ 0x00020204, 0x00120204, 0x00020A04, 0x00120A04,
+ 0x00020204, 0x00120204, 0x00020A04, 0x00120A04,
+ 0x04020204, 0x04120204, 0x04020A04, 0x04120A04,
+ 0x04020204, 0x04120204, 0x04020A04, 0x04120A04,
+ 0x00020200, 0x00120200, 0x00020A00, 0x00120A00,
+ 0x00020200, 0x00120200, 0x00020A00, 0x00120A00,
+ 0x04020200, 0x04120200, 0x04020A00, 0x04120A00,
+ 0x04020200, 0x04120200, 0x04020A00, 0x04120A00,
+ 0x00020204, 0x00120204, 0x00020A04, 0x00120A04,
+ 0x00020204, 0x00120204, 0x00020A04, 0x00120A04,
+ 0x04020204, 0x04120204, 0x04020A04, 0x04120A04,
+ 0x04020204, 0x04120204, 0x04020A04, 0x04120A04
+ );
+ static $pc2mapd3 = array(
+ 0x00000000, 0x00010000, 0x02000000, 0x02010000,
+ 0x00000020, 0x00010020, 0x02000020, 0x02010020,
+ 0x00040000, 0x00050000, 0x02040000, 0x02050000,
+ 0x00040020, 0x00050020, 0x02040020, 0x02050020,
+ 0x00002000, 0x00012000, 0x02002000, 0x02012000,
+ 0x00002020, 0x00012020, 0x02002020, 0x02012020,
+ 0x00042000, 0x00052000, 0x02042000, 0x02052000,
+ 0x00042020, 0x00052020, 0x02042020, 0x02052020,
+ 0x00000000, 0x00010000, 0x02000000, 0x02010000,
+ 0x00000020, 0x00010020, 0x02000020, 0x02010020,
+ 0x00040000, 0x00050000, 0x02040000, 0x02050000,
+ 0x00040020, 0x00050020, 0x02040020, 0x02050020,
+ 0x00002000, 0x00012000, 0x02002000, 0x02012000,
+ 0x00002020, 0x00012020, 0x02002020, 0x02012020,
+ 0x00042000, 0x00052000, 0x02042000, 0x02052000,
+ 0x00042020, 0x00052020, 0x02042020, 0x02052020,
+ 0x00000010, 0x00010010, 0x02000010, 0x02010010,
+ 0x00000030, 0x00010030, 0x02000030, 0x02010030,
+ 0x00040010, 0x00050010, 0x02040010, 0x02050010,
+ 0x00040030, 0x00050030, 0x02040030, 0x02050030,
+ 0x00002010, 0x00012010, 0x02002010, 0x02012010,
+ 0x00002030, 0x00012030, 0x02002030, 0x02012030,
+ 0x00042010, 0x00052010, 0x02042010, 0x02052010,
+ 0x00042030, 0x00052030, 0x02042030, 0x02052030,
+ 0x00000010, 0x00010010, 0x02000010, 0x02010010,
+ 0x00000030, 0x00010030, 0x02000030, 0x02010030,
+ 0x00040010, 0x00050010, 0x02040010, 0x02050010,
+ 0x00040030, 0x00050030, 0x02040030, 0x02050030,
+ 0x00002010, 0x00012010, 0x02002010, 0x02012010,
+ 0x00002030, 0x00012030, 0x02002030, 0x02012030,
+ 0x00042010, 0x00052010, 0x02042010, 0x02052010,
+ 0x00042030, 0x00052030, 0x02042030, 0x02052030,
+ 0x20000000, 0x20010000, 0x22000000, 0x22010000,
+ 0x20000020, 0x20010020, 0x22000020, 0x22010020,
+ 0x20040000, 0x20050000, 0x22040000, 0x22050000,
+ 0x20040020, 0x20050020, 0x22040020, 0x22050020,
+ 0x20002000, 0x20012000, 0x22002000, 0x22012000,
+ 0x20002020, 0x20012020, 0x22002020, 0x22012020,
+ 0x20042000, 0x20052000, 0x22042000, 0x22052000,
+ 0x20042020, 0x20052020, 0x22042020, 0x22052020,
+ 0x20000000, 0x20010000, 0x22000000, 0x22010000,
+ 0x20000020, 0x20010020, 0x22000020, 0x22010020,
+ 0x20040000, 0x20050000, 0x22040000, 0x22050000,
+ 0x20040020, 0x20050020, 0x22040020, 0x22050020,
+ 0x20002000, 0x20012000, 0x22002000, 0x22012000,
+ 0x20002020, 0x20012020, 0x22002020, 0x22012020,
+ 0x20042000, 0x20052000, 0x22042000, 0x22052000,
+ 0x20042020, 0x20052020, 0x22042020, 0x22052020,
+ 0x20000010, 0x20010010, 0x22000010, 0x22010010,
+ 0x20000030, 0x20010030, 0x22000030, 0x22010030,
+ 0x20040010, 0x20050010, 0x22040010, 0x22050010,
+ 0x20040030, 0x20050030, 0x22040030, 0x22050030,
+ 0x20002010, 0x20012010, 0x22002010, 0x22012010,
+ 0x20002030, 0x20012030, 0x22002030, 0x22012030,
+ 0x20042010, 0x20052010, 0x22042010, 0x22052010,
+ 0x20042030, 0x20052030, 0x22042030, 0x22052030,
+ 0x20000010, 0x20010010, 0x22000010, 0x22010010,
+ 0x20000030, 0x20010030, 0x22000030, 0x22010030,
+ 0x20040010, 0x20050010, 0x22040010, 0x22050010,
+ 0x20040030, 0x20050030, 0x22040030, 0x22050030,
+ 0x20002010, 0x20012010, 0x22002010, 0x22012010,
+ 0x20002030, 0x20012030, 0x22002030, 0x22012030,
+ 0x20042010, 0x20052010, 0x22042010, 0x22052010,
+ 0x20042030, 0x20052030, 0x22042030, 0x22052030
+ );
+ static $pc2mapd4 = array(
+ 0x00000000, 0x00000400, 0x01000000, 0x01000400,
+ 0x00000000, 0x00000400, 0x01000000, 0x01000400,
+ 0x00000100, 0x00000500, 0x01000100, 0x01000500,
+ 0x00000100, 0x00000500, 0x01000100, 0x01000500,
+ 0x10000000, 0x10000400, 0x11000000, 0x11000400,
+ 0x10000000, 0x10000400, 0x11000000, 0x11000400,
+ 0x10000100, 0x10000500, 0x11000100, 0x11000500,
+ 0x10000100, 0x10000500, 0x11000100, 0x11000500,
+ 0x00080000, 0x00080400, 0x01080000, 0x01080400,
+ 0x00080000, 0x00080400, 0x01080000, 0x01080400,
+ 0x00080100, 0x00080500, 0x01080100, 0x01080500,
+ 0x00080100, 0x00080500, 0x01080100, 0x01080500,
+ 0x10080000, 0x10080400, 0x11080000, 0x11080400,
+ 0x10080000, 0x10080400, 0x11080000, 0x11080400,
+ 0x10080100, 0x10080500, 0x11080100, 0x11080500,
+ 0x10080100, 0x10080500, 0x11080100, 0x11080500,
+ 0x00000008, 0x00000408, 0x01000008, 0x01000408,
+ 0x00000008, 0x00000408, 0x01000008, 0x01000408,
+ 0x00000108, 0x00000508, 0x01000108, 0x01000508,
+ 0x00000108, 0x00000508, 0x01000108, 0x01000508,
+ 0x10000008, 0x10000408, 0x11000008, 0x11000408,
+ 0x10000008, 0x10000408, 0x11000008, 0x11000408,
+ 0x10000108, 0x10000508, 0x11000108, 0x11000508,
+ 0x10000108, 0x10000508, 0x11000108, 0x11000508,
+ 0x00080008, 0x00080408, 0x01080008, 0x01080408,
+ 0x00080008, 0x00080408, 0x01080008, 0x01080408,
+ 0x00080108, 0x00080508, 0x01080108, 0x01080508,
+ 0x00080108, 0x00080508, 0x01080108, 0x01080508,
+ 0x10080008, 0x10080408, 0x11080008, 0x11080408,
+ 0x10080008, 0x10080408, 0x11080008, 0x11080408,
+ 0x10080108, 0x10080508, 0x11080108, 0x11080508,
+ 0x10080108, 0x10080508, 0x11080108, 0x11080508,
+ 0x00001000, 0x00001400, 0x01001000, 0x01001400,
+ 0x00001000, 0x00001400, 0x01001000, 0x01001400,
+ 0x00001100, 0x00001500, 0x01001100, 0x01001500,
+ 0x00001100, 0x00001500, 0x01001100, 0x01001500,
+ 0x10001000, 0x10001400, 0x11001000, 0x11001400,
+ 0x10001000, 0x10001400, 0x11001000, 0x11001400,
+ 0x10001100, 0x10001500, 0x11001100, 0x11001500,
+ 0x10001100, 0x10001500, 0x11001100, 0x11001500,
+ 0x00081000, 0x00081400, 0x01081000, 0x01081400,
+ 0x00081000, 0x00081400, 0x01081000, 0x01081400,
+ 0x00081100, 0x00081500, 0x01081100, 0x01081500,
+ 0x00081100, 0x00081500, 0x01081100, 0x01081500,
+ 0x10081000, 0x10081400, 0x11081000, 0x11081400,
+ 0x10081000, 0x10081400, 0x11081000, 0x11081400,
+ 0x10081100, 0x10081500, 0x11081100, 0x11081500,
+ 0x10081100, 0x10081500, 0x11081100, 0x11081500,
+ 0x00001008, 0x00001408, 0x01001008, 0x01001408,
+ 0x00001008, 0x00001408, 0x01001008, 0x01001408,
+ 0x00001108, 0x00001508, 0x01001108, 0x01001508,
+ 0x00001108, 0x00001508, 0x01001108, 0x01001508,
+ 0x10001008, 0x10001408, 0x11001008, 0x11001408,
+ 0x10001008, 0x10001408, 0x11001008, 0x11001408,
+ 0x10001108, 0x10001508, 0x11001108, 0x11001508,
+ 0x10001108, 0x10001508, 0x11001108, 0x11001508,
+ 0x00081008, 0x00081408, 0x01081008, 0x01081408,
+ 0x00081008, 0x00081408, 0x01081008, 0x01081408,
+ 0x00081108, 0x00081508, 0x01081108, 0x01081508,
+ 0x00081108, 0x00081508, 0x01081108, 0x01081508,
+ 0x10081008, 0x10081408, 0x11081008, 0x11081408,
+ 0x10081008, 0x10081408, 0x11081008, 0x11081408,
+ 0x10081108, 0x10081508, 0x11081108, 0x11081508,
+ 0x10081108, 0x10081508, 0x11081108, 0x11081508
+ );
+
+ $keys = array();
+ for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) {
+ // pad the key and remove extra characters as appropriate.
+ $key = str_pad(substr($this->key, $des_round * 8, 8), 8, "\0");
+
+ // Perform the PC/1 transformation and compute C and D.
+ $t = unpack('Nl/Nr', $key);
+ list($l, $r) = array($t['l'], $t['r']);
+ $key = ($this->shuffle[$pc1map[ $r & 0xFF]] & "\x80\x80\x80\x80\x80\x80\x80\x00") |
+ ($this->shuffle[$pc1map[($r >> 8) & 0xFF]] & "\x40\x40\x40\x40\x40\x40\x40\x00") |
+ ($this->shuffle[$pc1map[($r >> 16) & 0xFF]] & "\x20\x20\x20\x20\x20\x20\x20\x00") |
+ ($this->shuffle[$pc1map[($r >> 24) & 0xFF]] & "\x10\x10\x10\x10\x10\x10\x10\x00") |
+ ($this->shuffle[$pc1map[ $l & 0xFF]] & "\x08\x08\x08\x08\x08\x08\x08\x00") |
+ ($this->shuffle[$pc1map[($l >> 8) & 0xFF]] & "\x04\x04\x04\x04\x04\x04\x04\x00") |
+ ($this->shuffle[$pc1map[($l >> 16) & 0xFF]] & "\x02\x02\x02\x02\x02\x02\x02\x00") |
+ ($this->shuffle[$pc1map[($l >> 24) & 0xFF]] & "\x01\x01\x01\x01\x01\x01\x01\x00");
+ $key = unpack('Nc/Nd', $key);
+ $c = ( $key['c'] >> 4) & 0x0FFFFFFF;
+ $d = (($key['d'] >> 4) & 0x0FFFFFF0) | ($key['c'] & 0x0F);
+
+ $keys[$des_round] = array(
+ CRYPT_DES_ENCRYPT => array(),
+ CRYPT_DES_DECRYPT => array_fill(0, 32, 0)
+ );
+ for ($i = 0, $ki = 31; $i < 16; ++$i, $ki-= 2) {
+ $c <<= $shifts[$i];
+ $c = ($c | ($c >> 28)) & 0x0FFFFFFF;
+ $d <<= $shifts[$i];
+ $d = ($d | ($d >> 28)) & 0x0FFFFFFF;
+
+ // Perform the PC-2 transformation.
+ $cp = $pc2mapc1[ $c >> 24 ] | $pc2mapc2[($c >> 16) & 0xFF] |
+ $pc2mapc3[($c >> 8) & 0xFF] | $pc2mapc4[ $c & 0xFF];
+ $dp = $pc2mapd1[ $d >> 24 ] | $pc2mapd2[($d >> 16) & 0xFF] |
+ $pc2mapd3[($d >> 8) & 0xFF] | $pc2mapd4[ $d & 0xFF];
+
+ // Reorder: odd bytes/even bytes. Push the result in key schedule.
+ $val1 = ( $cp & 0xFF000000) | (($cp << 8) & 0x00FF0000) |
+ (($dp >> 16) & 0x0000FF00) | (($dp >> 8) & 0x000000FF);
+ $val2 = (($cp << 8) & 0xFF000000) | (($cp << 16) & 0x00FF0000) |
+ (($dp >> 8) & 0x0000FF00) | ( $dp & 0x000000FF);
+ $keys[$des_round][CRYPT_DES_ENCRYPT][ ] = $val1;
+ $keys[$des_round][CRYPT_DES_DECRYPT][$ki - 1] = $val1;
+ $keys[$des_round][CRYPT_DES_ENCRYPT][ ] = $val2;
+ $keys[$des_round][CRYPT_DES_DECRYPT][$ki ] = $val2;
+ }
+ }
+
+ switch ($this->des_rounds) {
+ case 3: // 3DES keys
+ $this->keys = array(
+ CRYPT_DES_ENCRYPT => array_merge(
+ $keys[0][CRYPT_DES_ENCRYPT],
+ $keys[1][CRYPT_DES_DECRYPT],
+ $keys[2][CRYPT_DES_ENCRYPT]
+ ),
+ CRYPT_DES_DECRYPT => array_merge(
+ $keys[2][CRYPT_DES_DECRYPT],
+ $keys[1][CRYPT_DES_ENCRYPT],
+ $keys[0][CRYPT_DES_DECRYPT]
+ )
+ );
+ break;
+ // case 1: // DES keys
+ default:
+ $this->keys = array(
+ CRYPT_DES_ENCRYPT => $keys[0][CRYPT_DES_ENCRYPT],
+ CRYPT_DES_DECRYPT => $keys[0][CRYPT_DES_DECRYPT]
+ );
+ }
+ }
+
+ /**
+ * Setup the performance-optimized function for de/encrypt()
+ *
+ * @see Crypt_Base::_setupInlineCrypt()
+ * @access private
+ */
+ function _setupInlineCrypt()
+ {
+ $lambda_functions =& Crypt_DES::_getLambdaFunctions();
+
+ // Engine configuration for:
+ // - DES ($des_rounds == 1) or
+ // - 3DES ($des_rounds == 3)
+ $des_rounds = $this->des_rounds;
+
+ // We create max. 10 hi-optimized code for memory reason. Means: For each $key one ultra fast inline-crypt function.
+ // After that, we'll still create very fast optimized code but not the hi-ultimative code, for each $mode one
+ $gen_hi_opt_code = (bool)( count($lambda_functions) < 10 );
+
+ // Generation of a uniqe hash for our generated code
+ switch (true) {
+ case $gen_hi_opt_code:
+ // For hi-optimized code, we create for each combination of
+ // $mode, $des_rounds and $this->key its own encrypt/decrypt function.
+ $code_hash = md5(str_pad("Crypt_DES, $des_rounds, {$this->mode}, ", 32, "\0") . $this->key);
+ break;
+ default:
+ // After max 10 hi-optimized functions, we create generic
+ // (still very fast.. but not ultra) functions for each $mode/$des_rounds
+ // Currently 2 * 5 generic functions will be then max. possible.
+ $code_hash = "Crypt_DES, $des_rounds, {$this->mode}";
+ }
+
+ // Is there a re-usable $lambda_functions in there? If not, we have to create it.
+ if (!isset($lambda_functions[$code_hash])) {
+ // Init code for both, encrypt and decrypt.
+ $init_crypt = 'static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip;
+ if (!$sbox1) {
+ $sbox1 = array_map("intval", $self->sbox1);
+ $sbox2 = array_map("intval", $self->sbox2);
+ $sbox3 = array_map("intval", $self->sbox3);
+ $sbox4 = array_map("intval", $self->sbox4);
+ $sbox5 = array_map("intval", $self->sbox5);
+ $sbox6 = array_map("intval", $self->sbox6);
+ $sbox7 = array_map("intval", $self->sbox7);
+ $sbox8 = array_map("intval", $self->sbox8);'
+ /* Merge $shuffle with $[inv]ipmap */ . '
+ for ($i = 0; $i < 256; ++$i) {
+ $shuffleip[] = $self->shuffle[$self->ipmap[$i]];
+ $shuffleinvip[] = $self->shuffle[$self->invipmap[$i]];
+ }
+ }
+ ';
+
+ switch (true) {
+ case $gen_hi_opt_code:
+ // In Hi-optimized code mode, we use our [3]DES key schedule as hardcoded integers.
+ // No futher initialisation of the $keys schedule is necessary.
+ // That is the extra performance boost.
+ $k = array(
+ CRYPT_DES_ENCRYPT => $this->keys[CRYPT_DES_ENCRYPT],
+ CRYPT_DES_DECRYPT => $this->keys[CRYPT_DES_DECRYPT]
+ );
+ $init_encrypt = '';
+ $init_decrypt = '';
+ break;
+ default:
+ // In generic optimized code mode, we have to use, as the best compromise [currently],
+ // our key schedule as $ke/$kd arrays. (with hardcoded indexes...)
+ $k = array(
+ CRYPT_DES_ENCRYPT => array(),
+ CRYPT_DES_DECRYPT => array()
+ );
+ for ($i = 0, $c = count($this->keys[CRYPT_DES_ENCRYPT]); $i < $c; ++$i) {
+ $k[CRYPT_DES_ENCRYPT][$i] = '$ke[' . $i . ']';
+ $k[CRYPT_DES_DECRYPT][$i] = '$kd[' . $i . ']';
+ }
+ $init_encrypt = '$ke = $self->keys[CRYPT_DES_ENCRYPT];';
+ $init_decrypt = '$kd = $self->keys[CRYPT_DES_DECRYPT];';
+ break;
+ }
+
+ // Creating code for en- and decryption.
+ $crypt_block = array();
+ foreach (array(CRYPT_DES_ENCRYPT, CRYPT_DES_DECRYPT) as $c) {
+
+ /* Do the initial IP permutation. */
+ $crypt_block[$c] = '
+ $in = unpack("N*", $in);
+ $l = $in[1];
+ $r = $in[2];
+ $in = unpack("N*",
+ ($shuffleip[ $r & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") |
+ ($shuffleip[($r >> 8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") |
+ ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") |
+ ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") |
+ ($shuffleip[ $l & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") |
+ ($shuffleip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") |
+ ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") |
+ ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01")
+ );
+ ' . /* Extract L0 and R0 */ '
+ $l = $in[1];
+ $r = $in[2];
+ ';
+
+ $l = '$l';
+ $r = '$r';
+
+ // Perform DES or 3DES.
+ for ($ki = -1, $des_round = 0; $des_round < $des_rounds; ++$des_round) {
+ // Perform the 16 steps.
+ for ($i = 0; $i < 16; ++$i) {
+ // start of "the Feistel (F) function" - see the following URL:
+ // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png
+ // Merge key schedule.
+ $crypt_block[$c].= '
+ $b1 = ((' . $r . ' >> 3) & 0x1FFFFFFF) ^ (' . $r . ' << 29) ^ ' . $k[$c][++$ki] . ';
+ $b2 = ((' . $r . ' >> 31) & 0x00000001) ^ (' . $r . ' << 1) ^ ' . $k[$c][++$ki] . ';' .
+ /* S-box indexing. */
+ $l . ' = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^
+ $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^
+ $sbox5[($b1 >> 8) & 0x3F] ^ $sbox6[($b2 >> 8) & 0x3F] ^
+ $sbox7[ $b1 & 0x3F] ^ $sbox8[ $b2 & 0x3F] ^ ' . $l . ';
+ ';
+ // end of "the Feistel (F) function"
+
+ // swap L & R
+ list($l, $r) = array($r, $l);
+ }
+ list($l, $r) = array($r, $l);
+ }
+
+ // Perform the inverse IP permutation.
+ $crypt_block[$c].= '$in =
+ ($shuffleinvip[($l >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") |
+ ($shuffleinvip[($r >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") |
+ ($shuffleinvip[($l >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") |
+ ($shuffleinvip[($r >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") |
+ ($shuffleinvip[($l >> 8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") |
+ ($shuffleinvip[($r >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") |
+ ($shuffleinvip[ $l & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") |
+ ($shuffleinvip[ $r & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01");
+ ';
+ }
+
+ // Creates the inline-crypt function
+ $lambda_functions[$code_hash] = $this->_createInlineCryptFunction(
+ array(
+ 'init_crypt' => $init_crypt,
+ 'init_encrypt' => $init_encrypt,
+ 'init_decrypt' => $init_decrypt,
+ 'encrypt_block' => $crypt_block[CRYPT_DES_ENCRYPT],
+ 'decrypt_block' => $crypt_block[CRYPT_DES_DECRYPT]
+ )
+ );
+ }
+
+ // Set the inline-crypt function as callback in: $this->inline_crypt
+ $this->inline_crypt = $lambda_functions[$code_hash];
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/Hash.php b/libs/phpseclib-0.3.7/Crypt/Hash.php new file mode 100644 index 0000000..d748bad --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/Hash.php @@ -0,0 +1,844 @@ +<?php
+
+/**
+ * Pure-PHP implementations of keyed-hash message authentication codes (HMACs) and various cryptographic hashing functions.
+ *
+ * Uses hash() or mhash() if available and an internal implementation, otherwise. Currently supports the following:
+ *
+ * md2, md5, md5-96, sha1, sha1-96, sha256, sha384, and sha512
+ *
+ * If {@link Crypt_Hash::setKey() setKey()} is called, {@link Crypt_Hash::hash() hash()} will return the HMAC as opposed to
+ * the hash. If no valid algorithm is provided, sha1 will be used.
+ *
+ * PHP versions 4 and 5
+ *
+ * {@internal The variable names are the same as those in
+ * {@link http://tools.ietf.org/html/rfc2104#section-2 RFC2104}.}}
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/Hash.php';
+ *
+ * $hash = new Crypt_Hash('sha1');
+ *
+ * $hash->setKey('abcdefg');
+ *
+ * echo base64_encode($hash->hash('abcdefg'));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_Hash
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**#@+
+ * @access private
+ * @see Crypt_Hash::Crypt_Hash()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_HASH_MODE_INTERNAL', 1);
+/**
+ * Toggles the mhash() implementation, which has been deprecated on PHP 5.3.0+.
+ */
+define('CRYPT_HASH_MODE_MHASH', 2);
+/**
+ * Toggles the hash() implementation, which works on PHP 5.1.2+.
+ */
+define('CRYPT_HASH_MODE_HASH', 3);
+/**#@-*/
+
+/**
+ * Pure-PHP implementations of keyed-hash message authentication codes (HMACs) and various cryptographic hashing functions.
+ *
+ * @package Crypt_Hash
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Crypt_Hash
+{
+ /**
+ * Hash Parameter
+ *
+ * @see Crypt_Hash::setHash()
+ * @var Integer
+ * @access private
+ */
+ var $hashParam;
+
+ /**
+ * Byte-length of compression blocks / key (Internal HMAC)
+ *
+ * @see Crypt_Hash::setAlgorithm()
+ * @var Integer
+ * @access private
+ */
+ var $b;
+
+ /**
+ * Byte-length of hash output (Internal HMAC)
+ *
+ * @see Crypt_Hash::setHash()
+ * @var Integer
+ * @access private
+ */
+ var $l = false;
+
+ /**
+ * Hash Algorithm
+ *
+ * @see Crypt_Hash::setHash()
+ * @var String
+ * @access private
+ */
+ var $hash;
+
+ /**
+ * Key
+ *
+ * @see Crypt_Hash::setKey()
+ * @var String
+ * @access private
+ */
+ var $key = false;
+
+ /**
+ * Outer XOR (Internal HMAC)
+ *
+ * @see Crypt_Hash::setKey()
+ * @var String
+ * @access private
+ */
+ var $opad;
+
+ /**
+ * Inner XOR (Internal HMAC)
+ *
+ * @see Crypt_Hash::setKey()
+ * @var String
+ * @access private
+ */
+ var $ipad;
+
+ /**
+ * Default Constructor.
+ *
+ * @param optional String $hash
+ * @return Crypt_Hash
+ * @access public
+ */
+ function Crypt_Hash($hash = 'sha1')
+ {
+ if ( !defined('CRYPT_HASH_MODE') ) {
+ switch (true) {
+ case extension_loaded('hash'):
+ define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_HASH);
+ break;
+ case extension_loaded('mhash'):
+ define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_MHASH);
+ break;
+ default:
+ define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_INTERNAL);
+ }
+ }
+
+ $this->setHash($hash);
+ }
+
+ /**
+ * Sets the key for HMACs
+ *
+ * Keys can be of any length.
+ *
+ * @access public
+ * @param optional String $key
+ */
+ function setKey($key = false)
+ {
+ $this->key = $key;
+ }
+
+ /**
+ * Gets the hash function.
+ *
+ * As set by the constructor or by the setHash() method.
+ *
+ * @access public
+ * @return String
+ */
+ function getHash()
+ {
+ return $this->hashParam;
+ }
+
+ /**
+ * Sets the hash function.
+ *
+ * @access public
+ * @param String $hash
+ */
+ function setHash($hash)
+ {
+ $this->hashParam = $hash = strtolower($hash);
+ switch ($hash) {
+ case 'md5-96':
+ case 'sha1-96':
+ $this->l = 12; // 96 / 8 = 12
+ break;
+ case 'md2':
+ case 'md5':
+ $this->l = 16;
+ break;
+ case 'sha1':
+ $this->l = 20;
+ break;
+ case 'sha256':
+ $this->l = 32;
+ break;
+ case 'sha384':
+ $this->l = 48;
+ break;
+ case 'sha512':
+ $this->l = 64;
+ }
+
+ switch ($hash) {
+ case 'md2':
+ $mode = CRYPT_HASH_MODE == CRYPT_HASH_MODE_HASH && in_array('md2', hash_algos()) ?
+ CRYPT_HASH_MODE_HASH : CRYPT_HASH_MODE_INTERNAL;
+ break;
+ case 'sha384':
+ case 'sha512':
+ $mode = CRYPT_HASH_MODE == CRYPT_HASH_MODE_MHASH ? CRYPT_HASH_MODE_INTERNAL : CRYPT_HASH_MODE;
+ break;
+ default:
+ $mode = CRYPT_HASH_MODE;
+ }
+
+ switch ( $mode ) {
+ case CRYPT_HASH_MODE_MHASH:
+ switch ($hash) {
+ case 'md5':
+ case 'md5-96':
+ $this->hash = MHASH_MD5;
+ break;
+ case 'sha256':
+ $this->hash = MHASH_SHA256;
+ break;
+ case 'sha1':
+ case 'sha1-96':
+ default:
+ $this->hash = MHASH_SHA1;
+ }
+ return;
+ case CRYPT_HASH_MODE_HASH:
+ switch ($hash) {
+ case 'md5':
+ case 'md5-96':
+ $this->hash = 'md5';
+ return;
+ case 'md2':
+ case 'sha256':
+ case 'sha384':
+ case 'sha512':
+ $this->hash = $hash;
+ return;
+ case 'sha1':
+ case 'sha1-96':
+ default:
+ $this->hash = 'sha1';
+ }
+ return;
+ }
+
+ switch ($hash) {
+ case 'md2':
+ $this->b = 16;
+ $this->hash = array($this, '_md2');
+ break;
+ case 'md5':
+ case 'md5-96':
+ $this->b = 64;
+ $this->hash = array($this, '_md5');
+ break;
+ case 'sha256':
+ $this->b = 64;
+ $this->hash = array($this, '_sha256');
+ break;
+ case 'sha384':
+ case 'sha512':
+ $this->b = 128;
+ $this->hash = array($this, '_sha512');
+ break;
+ case 'sha1':
+ case 'sha1-96':
+ default:
+ $this->b = 64;
+ $this->hash = array($this, '_sha1');
+ }
+
+ $this->ipad = str_repeat(chr(0x36), $this->b);
+ $this->opad = str_repeat(chr(0x5C), $this->b);
+ }
+
+ /**
+ * Compute the HMAC.
+ *
+ * @access public
+ * @param String $text
+ * @return String
+ */
+ function hash($text)
+ {
+ $mode = is_array($this->hash) ? CRYPT_HASH_MODE_INTERNAL : CRYPT_HASH_MODE;
+
+ if (!empty($this->key) || is_string($this->key)) {
+ switch ( $mode ) {
+ case CRYPT_HASH_MODE_MHASH:
+ $output = mhash($this->hash, $text, $this->key);
+ break;
+ case CRYPT_HASH_MODE_HASH:
+ $output = hash_hmac($this->hash, $text, $this->key, true);
+ break;
+ case CRYPT_HASH_MODE_INTERNAL:
+ /* "Applications that use keys longer than B bytes will first hash the key using H and then use the
+ resultant L byte string as the actual key to HMAC."
+
+ -- http://tools.ietf.org/html/rfc2104#section-2 */
+ $key = strlen($this->key) > $this->b ? call_user_func($this->hash, $this->key) : $this->key;
+
+ $key = str_pad($key, $this->b, chr(0)); // step 1
+ $temp = $this->ipad ^ $key; // step 2
+ $temp .= $text; // step 3
+ $temp = call_user_func($this->hash, $temp); // step 4
+ $output = $this->opad ^ $key; // step 5
+ $output.= $temp; // step 6
+ $output = call_user_func($this->hash, $output); // step 7
+ }
+ } else {
+ switch ( $mode ) {
+ case CRYPT_HASH_MODE_MHASH:
+ $output = mhash($this->hash, $text);
+ break;
+ case CRYPT_HASH_MODE_HASH:
+ $output = hash($this->hash, $text, true);
+ break;
+ case CRYPT_HASH_MODE_INTERNAL:
+ $output = call_user_func($this->hash, $text);
+ }
+ }
+
+ return substr($output, 0, $this->l);
+ }
+
+ /**
+ * Returns the hash length (in bytes)
+ *
+ * @access public
+ * @return Integer
+ */
+ function getLength()
+ {
+ return $this->l;
+ }
+
+ /**
+ * Wrapper for MD5
+ *
+ * @access private
+ * @param String $m
+ */
+ function _md5($m)
+ {
+ return pack('H*', md5($m));
+ }
+
+ /**
+ * Wrapper for SHA1
+ *
+ * @access private
+ * @param String $m
+ */
+ function _sha1($m)
+ {
+ return pack('H*', sha1($m));
+ }
+
+ /**
+ * Pure-PHP implementation of MD2
+ *
+ * See {@link http://tools.ietf.org/html/rfc1319 RFC1319}.
+ *
+ * @access private
+ * @param String $m
+ */
+ function _md2($m)
+ {
+ static $s = array(
+ 41, 46, 67, 201, 162, 216, 124, 1, 61, 54, 84, 161, 236, 240, 6,
+ 19, 98, 167, 5, 243, 192, 199, 115, 140, 152, 147, 43, 217, 188,
+ 76, 130, 202, 30, 155, 87, 60, 253, 212, 224, 22, 103, 66, 111, 24,
+ 138, 23, 229, 18, 190, 78, 196, 214, 218, 158, 222, 73, 160, 251,
+ 245, 142, 187, 47, 238, 122, 169, 104, 121, 145, 21, 178, 7, 63,
+ 148, 194, 16, 137, 11, 34, 95, 33, 128, 127, 93, 154, 90, 144, 50,
+ 39, 53, 62, 204, 231, 191, 247, 151, 3, 255, 25, 48, 179, 72, 165,
+ 181, 209, 215, 94, 146, 42, 172, 86, 170, 198, 79, 184, 56, 210,
+ 150, 164, 125, 182, 118, 252, 107, 226, 156, 116, 4, 241, 69, 157,
+ 112, 89, 100, 113, 135, 32, 134, 91, 207, 101, 230, 45, 168, 2, 27,
+ 96, 37, 173, 174, 176, 185, 246, 28, 70, 97, 105, 52, 64, 126, 15,
+ 85, 71, 163, 35, 221, 81, 175, 58, 195, 92, 249, 206, 186, 197,
+ 234, 38, 44, 83, 13, 110, 133, 40, 132, 9, 211, 223, 205, 244, 65,
+ 129, 77, 82, 106, 220, 55, 200, 108, 193, 171, 250, 36, 225, 123,
+ 8, 12, 189, 177, 74, 120, 136, 149, 139, 227, 99, 232, 109, 233,
+ 203, 213, 254, 59, 0, 29, 57, 242, 239, 183, 14, 102, 88, 208, 228,
+ 166, 119, 114, 248, 235, 117, 75, 10, 49, 68, 80, 180, 143, 237,
+ 31, 26, 219, 153, 141, 51, 159, 17, 131, 20
+ );
+
+ // Step 1. Append Padding Bytes
+ $pad = 16 - (strlen($m) & 0xF);
+ $m.= str_repeat(chr($pad), $pad);
+
+ $length = strlen($m);
+
+ // Step 2. Append Checksum
+ $c = str_repeat(chr(0), 16);
+ $l = chr(0);
+ for ($i = 0; $i < $length; $i+= 16) {
+ for ($j = 0; $j < 16; $j++) {
+ // RFC1319 incorrectly states that C[j] should be set to S[c xor L]
+ //$c[$j] = chr($s[ord($m[$i + $j] ^ $l)]);
+ // per <http://www.rfc-editor.org/errata_search.php?rfc=1319>, however, C[j] should be set to S[c xor L] xor C[j]
+ $c[$j] = chr($s[ord($m[$i + $j] ^ $l)] ^ ord($c[$j]));
+ $l = $c[$j];
+ }
+ }
+ $m.= $c;
+
+ $length+= 16;
+
+ // Step 3. Initialize MD Buffer
+ $x = str_repeat(chr(0), 48);
+
+ // Step 4. Process Message in 16-Byte Blocks
+ for ($i = 0; $i < $length; $i+= 16) {
+ for ($j = 0; $j < 16; $j++) {
+ $x[$j + 16] = $m[$i + $j];
+ $x[$j + 32] = $x[$j + 16] ^ $x[$j];
+ }
+ $t = chr(0);
+ for ($j = 0; $j < 18; $j++) {
+ for ($k = 0; $k < 48; $k++) {
+ $x[$k] = $t = $x[$k] ^ chr($s[ord($t)]);
+ //$t = $x[$k] = $x[$k] ^ chr($s[ord($t)]);
+ }
+ $t = chr(ord($t) + $j);
+ }
+ }
+
+ // Step 5. Output
+ return substr($x, 0, 16);
+ }
+
+ /**
+ * Pure-PHP implementation of SHA256
+ *
+ * See {@link http://en.wikipedia.org/wiki/SHA_hash_functions#SHA-256_.28a_SHA-2_variant.29_pseudocode SHA-256 (a SHA-2 variant) pseudocode - Wikipedia}.
+ *
+ * @access private
+ * @param String $m
+ */
+ function _sha256($m)
+ {
+ if (extension_loaded('suhosin')) {
+ return pack('H*', sha256($m));
+ }
+
+ // Initialize variables
+ $hash = array(
+ 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
+ );
+ // Initialize table of round constants
+ // (first 32 bits of the fractional parts of the cube roots of the first 64 primes 2..311)
+ static $k = array(
+ 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+ 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+ 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+ 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+ 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+ 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+ 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+ 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+ );
+
+ // Pre-processing
+ $length = strlen($m);
+ // to round to nearest 56 mod 64, we'll add 64 - (length + (64 - 56)) % 64
+ $m.= str_repeat(chr(0), 64 - (($length + 8) & 0x3F));
+ $m[$length] = chr(0x80);
+ // we don't support hashing strings 512MB long
+ $m.= pack('N2', 0, $length << 3);
+
+ // Process the message in successive 512-bit chunks
+ $chunks = str_split($m, 64);
+ foreach ($chunks as $chunk) {
+ $w = array();
+ for ($i = 0; $i < 16; $i++) {
+ extract(unpack('Ntemp', $this->_string_shift($chunk, 4)));
+ $w[] = $temp;
+ }
+
+ // Extend the sixteen 32-bit words into sixty-four 32-bit words
+ for ($i = 16; $i < 64; $i++) {
+ $s0 = $this->_rightRotate($w[$i - 15], 7) ^
+ $this->_rightRotate($w[$i - 15], 18) ^
+ $this->_rightShift( $w[$i - 15], 3);
+ $s1 = $this->_rightRotate($w[$i - 2], 17) ^
+ $this->_rightRotate($w[$i - 2], 19) ^
+ $this->_rightShift( $w[$i - 2], 10);
+ $w[$i] = $this->_add($w[$i - 16], $s0, $w[$i - 7], $s1);
+
+ }
+
+ // Initialize hash value for this chunk
+ list($a, $b, $c, $d, $e, $f, $g, $h) = $hash;
+
+ // Main loop
+ for ($i = 0; $i < 64; $i++) {
+ $s0 = $this->_rightRotate($a, 2) ^
+ $this->_rightRotate($a, 13) ^
+ $this->_rightRotate($a, 22);
+ $maj = ($a & $b) ^
+ ($a & $c) ^
+ ($b & $c);
+ $t2 = $this->_add($s0, $maj);
+
+ $s1 = $this->_rightRotate($e, 6) ^
+ $this->_rightRotate($e, 11) ^
+ $this->_rightRotate($e, 25);
+ $ch = ($e & $f) ^
+ ($this->_not($e) & $g);
+ $t1 = $this->_add($h, $s1, $ch, $k[$i], $w[$i]);
+
+ $h = $g;
+ $g = $f;
+ $f = $e;
+ $e = $this->_add($d, $t1);
+ $d = $c;
+ $c = $b;
+ $b = $a;
+ $a = $this->_add($t1, $t2);
+ }
+
+ // Add this chunk's hash to result so far
+ $hash = array(
+ $this->_add($hash[0], $a),
+ $this->_add($hash[1], $b),
+ $this->_add($hash[2], $c),
+ $this->_add($hash[3], $d),
+ $this->_add($hash[4], $e),
+ $this->_add($hash[5], $f),
+ $this->_add($hash[6], $g),
+ $this->_add($hash[7], $h)
+ );
+ }
+
+ // Produce the final hash value (big-endian)
+ return pack('N8', $hash[0], $hash[1], $hash[2], $hash[3], $hash[4], $hash[5], $hash[6], $hash[7]);
+ }
+
+ /**
+ * Pure-PHP implementation of SHA384 and SHA512
+ *
+ * @access private
+ * @param String $m
+ */
+ function _sha512($m)
+ {
+ if (!class_exists('Math_BigInteger')) {
+ include_once 'Math/BigInteger.php';
+ }
+
+ static $init384, $init512, $k;
+
+ if (!isset($k)) {
+ // Initialize variables
+ $init384 = array( // initial values for SHA384
+ 'cbbb9d5dc1059ed8', '629a292a367cd507', '9159015a3070dd17', '152fecd8f70e5939',
+ '67332667ffc00b31', '8eb44a8768581511', 'db0c2e0d64f98fa7', '47b5481dbefa4fa4'
+ );
+ $init512 = array( // initial values for SHA512
+ '6a09e667f3bcc908', 'bb67ae8584caa73b', '3c6ef372fe94f82b', 'a54ff53a5f1d36f1',
+ '510e527fade682d1', '9b05688c2b3e6c1f', '1f83d9abfb41bd6b', '5be0cd19137e2179'
+ );
+
+ for ($i = 0; $i < 8; $i++) {
+ $init384[$i] = new Math_BigInteger($init384[$i], 16);
+ $init384[$i]->setPrecision(64);
+ $init512[$i] = new Math_BigInteger($init512[$i], 16);
+ $init512[$i]->setPrecision(64);
+ }
+
+ // Initialize table of round constants
+ // (first 64 bits of the fractional parts of the cube roots of the first 80 primes 2..409)
+ $k = array(
+ '428a2f98d728ae22', '7137449123ef65cd', 'b5c0fbcfec4d3b2f', 'e9b5dba58189dbbc',
+ '3956c25bf348b538', '59f111f1b605d019', '923f82a4af194f9b', 'ab1c5ed5da6d8118',
+ 'd807aa98a3030242', '12835b0145706fbe', '243185be4ee4b28c', '550c7dc3d5ffb4e2',
+ '72be5d74f27b896f', '80deb1fe3b1696b1', '9bdc06a725c71235', 'c19bf174cf692694',
+ 'e49b69c19ef14ad2', 'efbe4786384f25e3', '0fc19dc68b8cd5b5', '240ca1cc77ac9c65',
+ '2de92c6f592b0275', '4a7484aa6ea6e483', '5cb0a9dcbd41fbd4', '76f988da831153b5',
+ '983e5152ee66dfab', 'a831c66d2db43210', 'b00327c898fb213f', 'bf597fc7beef0ee4',
+ 'c6e00bf33da88fc2', 'd5a79147930aa725', '06ca6351e003826f', '142929670a0e6e70',
+ '27b70a8546d22ffc', '2e1b21385c26c926', '4d2c6dfc5ac42aed', '53380d139d95b3df',
+ '650a73548baf63de', '766a0abb3c77b2a8', '81c2c92e47edaee6', '92722c851482353b',
+ 'a2bfe8a14cf10364', 'a81a664bbc423001', 'c24b8b70d0f89791', 'c76c51a30654be30',
+ 'd192e819d6ef5218', 'd69906245565a910', 'f40e35855771202a', '106aa07032bbd1b8',
+ '19a4c116b8d2d0c8', '1e376c085141ab53', '2748774cdf8eeb99', '34b0bcb5e19b48a8',
+ '391c0cb3c5c95a63', '4ed8aa4ae3418acb', '5b9cca4f7763e373', '682e6ff3d6b2b8a3',
+ '748f82ee5defb2fc', '78a5636f43172f60', '84c87814a1f0ab72', '8cc702081a6439ec',
+ '90befffa23631e28', 'a4506cebde82bde9', 'bef9a3f7b2c67915', 'c67178f2e372532b',
+ 'ca273eceea26619c', 'd186b8c721c0c207', 'eada7dd6cde0eb1e', 'f57d4f7fee6ed178',
+ '06f067aa72176fba', '0a637dc5a2c898a6', '113f9804bef90dae', '1b710b35131c471b',
+ '28db77f523047d84', '32caab7b40c72493', '3c9ebe0a15c9bebc', '431d67c49c100d4c',
+ '4cc5d4becb3e42b6', '597f299cfc657e2a', '5fcb6fab3ad6faec', '6c44198c4a475817'
+ );
+
+ for ($i = 0; $i < 80; $i++) {
+ $k[$i] = new Math_BigInteger($k[$i], 16);
+ }
+ }
+
+ $hash = $this->l == 48 ? $init384 : $init512;
+
+ // Pre-processing
+ $length = strlen($m);
+ // to round to nearest 112 mod 128, we'll add 128 - (length + (128 - 112)) % 128
+ $m.= str_repeat(chr(0), 128 - (($length + 16) & 0x7F));
+ $m[$length] = chr(0x80);
+ // we don't support hashing strings 512MB long
+ $m.= pack('N4', 0, 0, 0, $length << 3);
+
+ // Process the message in successive 1024-bit chunks
+ $chunks = str_split($m, 128);
+ foreach ($chunks as $chunk) {
+ $w = array();
+ for ($i = 0; $i < 16; $i++) {
+ $temp = new Math_BigInteger($this->_string_shift($chunk, 8), 256);
+ $temp->setPrecision(64);
+ $w[] = $temp;
+ }
+
+ // Extend the sixteen 32-bit words into eighty 32-bit words
+ for ($i = 16; $i < 80; $i++) {
+ $temp = array(
+ $w[$i - 15]->bitwise_rightRotate(1),
+ $w[$i - 15]->bitwise_rightRotate(8),
+ $w[$i - 15]->bitwise_rightShift(7)
+ );
+ $s0 = $temp[0]->bitwise_xor($temp[1]);
+ $s0 = $s0->bitwise_xor($temp[2]);
+ $temp = array(
+ $w[$i - 2]->bitwise_rightRotate(19),
+ $w[$i - 2]->bitwise_rightRotate(61),
+ $w[$i - 2]->bitwise_rightShift(6)
+ );
+ $s1 = $temp[0]->bitwise_xor($temp[1]);
+ $s1 = $s1->bitwise_xor($temp[2]);
+ $w[$i] = $w[$i - 16]->copy();
+ $w[$i] = $w[$i]->add($s0);
+ $w[$i] = $w[$i]->add($w[$i - 7]);
+ $w[$i] = $w[$i]->add($s1);
+ }
+
+ // Initialize hash value for this chunk
+ $a = $hash[0]->copy();
+ $b = $hash[1]->copy();
+ $c = $hash[2]->copy();
+ $d = $hash[3]->copy();
+ $e = $hash[4]->copy();
+ $f = $hash[5]->copy();
+ $g = $hash[6]->copy();
+ $h = $hash[7]->copy();
+
+ // Main loop
+ for ($i = 0; $i < 80; $i++) {
+ $temp = array(
+ $a->bitwise_rightRotate(28),
+ $a->bitwise_rightRotate(34),
+ $a->bitwise_rightRotate(39)
+ );
+ $s0 = $temp[0]->bitwise_xor($temp[1]);
+ $s0 = $s0->bitwise_xor($temp[2]);
+ $temp = array(
+ $a->bitwise_and($b),
+ $a->bitwise_and($c),
+ $b->bitwise_and($c)
+ );
+ $maj = $temp[0]->bitwise_xor($temp[1]);
+ $maj = $maj->bitwise_xor($temp[2]);
+ $t2 = $s0->add($maj);
+
+ $temp = array(
+ $e->bitwise_rightRotate(14),
+ $e->bitwise_rightRotate(18),
+ $e->bitwise_rightRotate(41)
+ );
+ $s1 = $temp[0]->bitwise_xor($temp[1]);
+ $s1 = $s1->bitwise_xor($temp[2]);
+ $temp = array(
+ $e->bitwise_and($f),
+ $g->bitwise_and($e->bitwise_not())
+ );
+ $ch = $temp[0]->bitwise_xor($temp[1]);
+ $t1 = $h->add($s1);
+ $t1 = $t1->add($ch);
+ $t1 = $t1->add($k[$i]);
+ $t1 = $t1->add($w[$i]);
+
+ $h = $g->copy();
+ $g = $f->copy();
+ $f = $e->copy();
+ $e = $d->add($t1);
+ $d = $c->copy();
+ $c = $b->copy();
+ $b = $a->copy();
+ $a = $t1->add($t2);
+ }
+
+ // Add this chunk's hash to result so far
+ $hash = array(
+ $hash[0]->add($a),
+ $hash[1]->add($b),
+ $hash[2]->add($c),
+ $hash[3]->add($d),
+ $hash[4]->add($e),
+ $hash[5]->add($f),
+ $hash[6]->add($g),
+ $hash[7]->add($h)
+ );
+ }
+
+ // Produce the final hash value (big-endian)
+ // (Crypt_Hash::hash() trims the output for hashes but not for HMACs. as such, we trim the output here)
+ $temp = $hash[0]->toBytes() . $hash[1]->toBytes() . $hash[2]->toBytes() . $hash[3]->toBytes() .
+ $hash[4]->toBytes() . $hash[5]->toBytes();
+ if ($this->l != 48) {
+ $temp.= $hash[6]->toBytes() . $hash[7]->toBytes();
+ }
+
+ return $temp;
+ }
+
+ /**
+ * Right Rotate
+ *
+ * @access private
+ * @param Integer $int
+ * @param Integer $amt
+ * @see _sha256()
+ * @return Integer
+ */
+ function _rightRotate($int, $amt)
+ {
+ $invamt = 32 - $amt;
+ $mask = (1 << $invamt) - 1;
+ return (($int << $invamt) & 0xFFFFFFFF) | (($int >> $amt) & $mask);
+ }
+
+ /**
+ * Right Shift
+ *
+ * @access private
+ * @param Integer $int
+ * @param Integer $amt
+ * @see _sha256()
+ * @return Integer
+ */
+ function _rightShift($int, $amt)
+ {
+ $mask = (1 << (32 - $amt)) - 1;
+ return ($int >> $amt) & $mask;
+ }
+
+ /**
+ * Not
+ *
+ * @access private
+ * @param Integer $int
+ * @see _sha256()
+ * @return Integer
+ */
+ function _not($int)
+ {
+ return ~$int & 0xFFFFFFFF;
+ }
+
+ /**
+ * Add
+ *
+ * _sha256() adds multiple unsigned 32-bit integers. Since PHP doesn't support unsigned integers and since the
+ * possibility of overflow exists, care has to be taken. Math_BigInteger() could be used but this should be faster.
+ *
+ * @param Integer $...
+ * @return Integer
+ * @see _sha256()
+ * @access private
+ */
+ function _add()
+ {
+ static $mod;
+ if (!isset($mod)) {
+ $mod = pow(2, 32);
+ }
+
+ $result = 0;
+ $arguments = func_get_args();
+ foreach ($arguments as $argument) {
+ $result+= $argument < 0 ? ($argument & 0x7FFFFFFF) + 0x80000000 : $argument;
+ }
+
+ return fmod($result, $mod);
+ }
+
+ /**
+ * String Shift
+ *
+ * Inspired by array_shift
+ *
+ * @param String $string
+ * @param optional Integer $index
+ * @return String
+ * @access private
+ */
+ function _string_shift(&$string, $index = 1)
+ {
+ $substr = substr($string, 0, $index);
+ $string = substr($string, $index);
+ return $substr;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/RC2.php b/libs/phpseclib-0.3.7/Crypt/RC2.php new file mode 100644 index 0000000..f98dc2c --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/RC2.php @@ -0,0 +1,652 @@ +<?php
+
+/**
+ * Pure-PHP implementation of RC2.
+ *
+ * Uses mcrypt, if available, and an internal implementation, otherwise.
+ *
+ * PHP versions 4 and 5
+ *
+ * Useful resources are as follows:
+ *
+ * - {@link http://tools.ietf.org/html/rfc2268}
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/RC2.php';
+ *
+ * $rc2 = new Crypt_RC2();
+ *
+ * $rc2->setKey('abcdefgh');
+ *
+ * $plaintext = str_repeat('a', 1024);
+ *
+ * echo $rc2->decrypt($rc2->encrypt($plaintext));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_RC2
+ * @author Patrick Monnerat <pm@datasphere.ch>
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_Base
+ *
+ * Base cipher class
+ */
+if (!class_exists('Crypt_Base')) {
+ include_once 'Base.php';
+}
+
+/**#@+
+ * @access public
+ * @see Crypt_RC2::encrypt()
+ * @see Crypt_RC2::decrypt()
+ */
+/**
+ * Encrypt / decrypt using the Counter mode.
+ *
+ * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29
+ */
+define('CRYPT_RC2_MODE_CTR', CRYPT_MODE_CTR);
+/**
+ * Encrypt / decrypt using the Electronic Code Book mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29
+ */
+define('CRYPT_RC2_MODE_ECB', CRYPT_MODE_ECB);
+/**
+ * Encrypt / decrypt using the Code Book Chaining mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29
+ */
+define('CRYPT_RC2_MODE_CBC', CRYPT_MODE_CBC);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29
+ */
+define('CRYPT_RC2_MODE_CFB', CRYPT_MODE_CFB);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29
+ */
+define('CRYPT_RC2_MODE_OFB', CRYPT_MODE_OFB);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_RC2::Crypt_RC2()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_RC2_MODE_INTERNAL', CRYPT_MODE_INTERNAL);
+/**
+ * Toggles the mcrypt implementation
+ */
+define('CRYPT_RC2_MODE_MCRYPT', CRYPT_MODE_MCRYPT);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of RC2.
+ *
+ * @package Crypt_RC2
+ * @access public
+ */
+class Crypt_RC2 extends Crypt_Base
+{
+ /**
+ * Block Length of the cipher
+ *
+ * @see Crypt_Base::block_size
+ * @var Integer
+ * @access private
+ */
+ var $block_size = 8;
+
+ /**
+ * The Key
+ *
+ * @see Crypt_Base::key
+ * @see setKey()
+ * @var String
+ * @access private
+ */
+ var $key = "\0";
+
+ /**
+ * The default password key_size used by setPassword()
+ *
+ * @see Crypt_Base::password_key_size
+ * @see Crypt_Base::setPassword()
+ * @var Integer
+ * @access private
+ */
+ var $password_key_size = 16; // = 128 bits
+
+ /**
+ * The namespace used by the cipher for its constants.
+ *
+ * @see Crypt_Base::const_namespace
+ * @var String
+ * @access private
+ */
+ var $const_namespace = 'RC2';
+
+ /**
+ * The mcrypt specific name of the cipher
+ *
+ * @see Crypt_Base::cipher_name_mcrypt
+ * @var String
+ * @access private
+ */
+ var $cipher_name_mcrypt = 'rc2';
+
+ /**
+ * Optimizing value while CFB-encrypting
+ *
+ * @see Crypt_Base::cfb_init_len
+ * @var Integer
+ * @access private
+ */
+ var $cfb_init_len = 500;
+
+ /**
+ * The key length in bits.
+ *
+ * @see Crypt_RC2::setKeyLength()
+ * @see Crypt_RC2::setKey()
+ * @var Integer
+ * @access private
+ * @internal Should be in range [1..1024].
+ * @internal Changing this value after setting the key has no effect.
+ */
+ var $default_key_length = 1024;
+
+ /**
+ * The Key Schedule
+ *
+ * @see Crypt_RC2::_setupKey()
+ * @var Array
+ * @access private
+ */
+ var $keys;
+
+ /**
+ * Key expansion randomization table.
+ * Twice the same 256-value sequence to save a modulus in key expansion.
+ *
+ * @see Crypt_RC2::setKey()
+ * @var Array
+ * @access private
+ */
+ var $pitable = array(
+ 0xD9, 0x78, 0xF9, 0xC4, 0x19, 0xDD, 0xB5, 0xED,
+ 0x28, 0xE9, 0xFD, 0x79, 0x4A, 0xA0, 0xD8, 0x9D,
+ 0xC6, 0x7E, 0x37, 0x83, 0x2B, 0x76, 0x53, 0x8E,
+ 0x62, 0x4C, 0x64, 0x88, 0x44, 0x8B, 0xFB, 0xA2,
+ 0x17, 0x9A, 0x59, 0xF5, 0x87, 0xB3, 0x4F, 0x13,
+ 0x61, 0x45, 0x6D, 0x8D, 0x09, 0x81, 0x7D, 0x32,
+ 0xBD, 0x8F, 0x40, 0xEB, 0x86, 0xB7, 0x7B, 0x0B,
+ 0xF0, 0x95, 0x21, 0x22, 0x5C, 0x6B, 0x4E, 0x82,
+ 0x54, 0xD6, 0x65, 0x93, 0xCE, 0x60, 0xB2, 0x1C,
+ 0x73, 0x56, 0xC0, 0x14, 0xA7, 0x8C, 0xF1, 0xDC,
+ 0x12, 0x75, 0xCA, 0x1F, 0x3B, 0xBE, 0xE4, 0xD1,
+ 0x42, 0x3D, 0xD4, 0x30, 0xA3, 0x3C, 0xB6, 0x26,
+ 0x6F, 0xBF, 0x0E, 0xDA, 0x46, 0x69, 0x07, 0x57,
+ 0x27, 0xF2, 0x1D, 0x9B, 0xBC, 0x94, 0x43, 0x03,
+ 0xF8, 0x11, 0xC7, 0xF6, 0x90, 0xEF, 0x3E, 0xE7,
+ 0x06, 0xC3, 0xD5, 0x2F, 0xC8, 0x66, 0x1E, 0xD7,
+ 0x08, 0xE8, 0xEA, 0xDE, 0x80, 0x52, 0xEE, 0xF7,
+ 0x84, 0xAA, 0x72, 0xAC, 0x35, 0x4D, 0x6A, 0x2A,
+ 0x96, 0x1A, 0xD2, 0x71, 0x5A, 0x15, 0x49, 0x74,
+ 0x4B, 0x9F, 0xD0, 0x5E, 0x04, 0x18, 0xA4, 0xEC,
+ 0xC2, 0xE0, 0x41, 0x6E, 0x0F, 0x51, 0xCB, 0xCC,
+ 0x24, 0x91, 0xAF, 0x50, 0xA1, 0xF4, 0x70, 0x39,
+ 0x99, 0x7C, 0x3A, 0x85, 0x23, 0xB8, 0xB4, 0x7A,
+ 0xFC, 0x02, 0x36, 0x5B, 0x25, 0x55, 0x97, 0x31,
+ 0x2D, 0x5D, 0xFA, 0x98, 0xE3, 0x8A, 0x92, 0xAE,
+ 0x05, 0xDF, 0x29, 0x10, 0x67, 0x6C, 0xBA, 0xC9,
+ 0xD3, 0x00, 0xE6, 0xCF, 0xE1, 0x9E, 0xA8, 0x2C,
+ 0x63, 0x16, 0x01, 0x3F, 0x58, 0xE2, 0x89, 0xA9,
+ 0x0D, 0x38, 0x34, 0x1B, 0xAB, 0x33, 0xFF, 0xB0,
+ 0xBB, 0x48, 0x0C, 0x5F, 0xB9, 0xB1, 0xCD, 0x2E,
+ 0xC5, 0xF3, 0xDB, 0x47, 0xE5, 0xA5, 0x9C, 0x77,
+ 0x0A, 0xA6, 0x20, 0x68, 0xFE, 0x7F, 0xC1, 0xAD,
+ 0xD9, 0x78, 0xF9, 0xC4, 0x19, 0xDD, 0xB5, 0xED,
+ 0x28, 0xE9, 0xFD, 0x79, 0x4A, 0xA0, 0xD8, 0x9D,
+ 0xC6, 0x7E, 0x37, 0x83, 0x2B, 0x76, 0x53, 0x8E,
+ 0x62, 0x4C, 0x64, 0x88, 0x44, 0x8B, 0xFB, 0xA2,
+ 0x17, 0x9A, 0x59, 0xF5, 0x87, 0xB3, 0x4F, 0x13,
+ 0x61, 0x45, 0x6D, 0x8D, 0x09, 0x81, 0x7D, 0x32,
+ 0xBD, 0x8F, 0x40, 0xEB, 0x86, 0xB7, 0x7B, 0x0B,
+ 0xF0, 0x95, 0x21, 0x22, 0x5C, 0x6B, 0x4E, 0x82,
+ 0x54, 0xD6, 0x65, 0x93, 0xCE, 0x60, 0xB2, 0x1C,
+ 0x73, 0x56, 0xC0, 0x14, 0xA7, 0x8C, 0xF1, 0xDC,
+ 0x12, 0x75, 0xCA, 0x1F, 0x3B, 0xBE, 0xE4, 0xD1,
+ 0x42, 0x3D, 0xD4, 0x30, 0xA3, 0x3C, 0xB6, 0x26,
+ 0x6F, 0xBF, 0x0E, 0xDA, 0x46, 0x69, 0x07, 0x57,
+ 0x27, 0xF2, 0x1D, 0x9B, 0xBC, 0x94, 0x43, 0x03,
+ 0xF8, 0x11, 0xC7, 0xF6, 0x90, 0xEF, 0x3E, 0xE7,
+ 0x06, 0xC3, 0xD5, 0x2F, 0xC8, 0x66, 0x1E, 0xD7,
+ 0x08, 0xE8, 0xEA, 0xDE, 0x80, 0x52, 0xEE, 0xF7,
+ 0x84, 0xAA, 0x72, 0xAC, 0x35, 0x4D, 0x6A, 0x2A,
+ 0x96, 0x1A, 0xD2, 0x71, 0x5A, 0x15, 0x49, 0x74,
+ 0x4B, 0x9F, 0xD0, 0x5E, 0x04, 0x18, 0xA4, 0xEC,
+ 0xC2, 0xE0, 0x41, 0x6E, 0x0F, 0x51, 0xCB, 0xCC,
+ 0x24, 0x91, 0xAF, 0x50, 0xA1, 0xF4, 0x70, 0x39,
+ 0x99, 0x7C, 0x3A, 0x85, 0x23, 0xB8, 0xB4, 0x7A,
+ 0xFC, 0x02, 0x36, 0x5B, 0x25, 0x55, 0x97, 0x31,
+ 0x2D, 0x5D, 0xFA, 0x98, 0xE3, 0x8A, 0x92, 0xAE,
+ 0x05, 0xDF, 0x29, 0x10, 0x67, 0x6C, 0xBA, 0xC9,
+ 0xD3, 0x00, 0xE6, 0xCF, 0xE1, 0x9E, 0xA8, 0x2C,
+ 0x63, 0x16, 0x01, 0x3F, 0x58, 0xE2, 0x89, 0xA9,
+ 0x0D, 0x38, 0x34, 0x1B, 0xAB, 0x33, 0xFF, 0xB0,
+ 0xBB, 0x48, 0x0C, 0x5F, 0xB9, 0xB1, 0xCD, 0x2E,
+ 0xC5, 0xF3, 0xDB, 0x47, 0xE5, 0xA5, 0x9C, 0x77,
+ 0x0A, 0xA6, 0x20, 0x68, 0xFE, 0x7F, 0xC1, 0xAD
+ );
+
+ /**
+ * Inverse key expansion randomization table.
+ *
+ * @see Crypt_RC2::setKey()
+ * @var Array
+ * @access private
+ */
+ var $invpitable = array(
+ 0xD1, 0xDA, 0xB9, 0x6F, 0x9C, 0xC8, 0x78, 0x66,
+ 0x80, 0x2C, 0xF8, 0x37, 0xEA, 0xE0, 0x62, 0xA4,
+ 0xCB, 0x71, 0x50, 0x27, 0x4B, 0x95, 0xD9, 0x20,
+ 0x9D, 0x04, 0x91, 0xE3, 0x47, 0x6A, 0x7E, 0x53,
+ 0xFA, 0x3A, 0x3B, 0xB4, 0xA8, 0xBC, 0x5F, 0x68,
+ 0x08, 0xCA, 0x8F, 0x14, 0xD7, 0xC0, 0xEF, 0x7B,
+ 0x5B, 0xBF, 0x2F, 0xE5, 0xE2, 0x8C, 0xBA, 0x12,
+ 0xE1, 0xAF, 0xB2, 0x54, 0x5D, 0x59, 0x76, 0xDB,
+ 0x32, 0xA2, 0x58, 0x6E, 0x1C, 0x29, 0x64, 0xF3,
+ 0xE9, 0x96, 0x0C, 0x98, 0x19, 0x8D, 0x3E, 0x26,
+ 0xAB, 0xA5, 0x85, 0x16, 0x40, 0xBD, 0x49, 0x67,
+ 0xDC, 0x22, 0x94, 0xBB, 0x3C, 0xC1, 0x9B, 0xEB,
+ 0x45, 0x28, 0x18, 0xD8, 0x1A, 0x42, 0x7D, 0xCC,
+ 0xFB, 0x65, 0x8E, 0x3D, 0xCD, 0x2A, 0xA3, 0x60,
+ 0xAE, 0x93, 0x8A, 0x48, 0x97, 0x51, 0x15, 0xF7,
+ 0x01, 0x0B, 0xB7, 0x36, 0xB1, 0x2E, 0x11, 0xFD,
+ 0x84, 0x2D, 0x3F, 0x13, 0x88, 0xB3, 0x34, 0x24,
+ 0x1B, 0xDE, 0xC5, 0x1D, 0x4D, 0x2B, 0x17, 0x31,
+ 0x74, 0xA9, 0xC6, 0x43, 0x6D, 0x39, 0x90, 0xBE,
+ 0xC3, 0xB0, 0x21, 0x6B, 0xF6, 0x0F, 0xD5, 0x99,
+ 0x0D, 0xAC, 0x1F, 0x5C, 0x9E, 0xF5, 0xF9, 0x4C,
+ 0xD6, 0xDF, 0x89, 0xE4, 0x8B, 0xFF, 0xC7, 0xAA,
+ 0xE7, 0xED, 0x46, 0x25, 0xB6, 0x06, 0x5E, 0x35,
+ 0xB5, 0xEC, 0xCE, 0xE8, 0x6C, 0x30, 0x55, 0x61,
+ 0x4A, 0xFE, 0xA0, 0x79, 0x03, 0xF0, 0x10, 0x72,
+ 0x7C, 0xCF, 0x52, 0xA6, 0xA7, 0xEE, 0x44, 0xD3,
+ 0x9A, 0x57, 0x92, 0xD0, 0x5A, 0x7A, 0x41, 0x7F,
+ 0x0E, 0x00, 0x63, 0xF2, 0x4F, 0x05, 0x83, 0xC9,
+ 0xA1, 0xD4, 0xDD, 0xC4, 0x56, 0xF4, 0xD2, 0x77,
+ 0x81, 0x09, 0x82, 0x33, 0x9F, 0x07, 0x86, 0x75,
+ 0x38, 0x4E, 0x69, 0xF1, 0xAD, 0x23, 0x73, 0x87,
+ 0x70, 0x02, 0xC2, 0x1E, 0xB8, 0x0A, 0xFC, 0xE6
+ );
+
+ /**
+ * Default Constructor.
+ *
+ * Determines whether or not the mcrypt extension should be used.
+ *
+ * $mode could be:
+ *
+ * - CRYPT_RC2_MODE_ECB
+ *
+ * - CRYPT_RC2_MODE_CBC
+ *
+ * - CRYPT_RC2_MODE_CTR
+ *
+ * - CRYPT_RC2_MODE_CFB
+ *
+ * - CRYPT_RC2_MODE_OFB
+ *
+ * If not explicitly set, CRYPT_RC2_MODE_CBC will be used.
+ *
+ * @see Crypt_Base::Crypt_Base()
+ * @param optional Integer $mode
+ * @access public
+ */
+ function Crypt_RC2($mode = CRYPT_RC2_MODE_CBC)
+ {
+ parent::Crypt_Base($mode);
+ $this->setKey('');
+ }
+
+ /**
+ * Sets the key length
+ *
+ * Valid key lengths are 1 to 1024.
+ * Calling this function after setting the key has no effect until the next
+ * Crypt_RC2::setKey() call.
+ *
+ * @access public
+ * @param Integer $length in bits
+ */
+ function setKeyLength($length)
+ {
+ if ($length >= 1 && $length <= 1024) {
+ $this->default_key_length = $length;
+ }
+ }
+
+ /**
+ * Sets the key.
+ *
+ * Keys can be of any length. RC2, itself, uses 1 to 1024 bit keys (eg.
+ * strlen($key) <= 128), however, we only use the first 128 bytes if $key
+ * has more then 128 bytes in it, and set $key to a single null byte if
+ * it is empty.
+ *
+ * If the key is not explicitly set, it'll be assumed to be a single
+ * null byte.
+ *
+ * @see Crypt_Base::setKey()
+ * @access public
+ * @param String $key
+ * @param Integer $t1 optional Effective key length in bits.
+ */
+ function setKey($key, $t1 = 0)
+ {
+ if ($t1 <= 0) {
+ $t1 = $this->default_key_length;
+ } else if ($t1 > 1024) {
+ $t1 = 1024;
+ }
+ // Key byte count should be 1..128.
+ $key = strlen($key) ? substr($key, 0, 128) : "\x00";
+ $t = strlen($key);
+
+ // The mcrypt RC2 implementation only supports effective key length
+ // of 1024 bits. It is however possible to handle effective key
+ // lengths in range 1..1024 by expanding the key and applying
+ // inverse pitable mapping to the first byte before submitting it
+ // to mcrypt.
+
+ // Key expansion.
+ $l = array_values(unpack('C*', $key));
+ $t8 = ($t1 + 7) >> 3;
+ $tm = 0xFF >> (8 * $t8 - $t1);
+
+ // Expand key.
+ $pitable = $this->pitable;
+ for ($i = $t; $i < 128; $i++) {
+ $l[$i] = $pitable[$l[$i - 1] + $l[$i - $t]];
+ }
+ $i = 128 - $t8;
+ $l[$i] = $pitable[$l[$i] & $tm];
+ while ($i--) {
+ $l[$i] = $pitable[$l[$i + 1] ^ $l[$i + $t8]];
+ }
+
+ // Prepare the key for mcrypt.
+ $l[0] = $this->invpitable[$l[0]];
+ array_unshift($l, 'C*');
+ parent::setKey(call_user_func_array('pack', $l));
+ }
+
+ /**
+ * Encrypts a block
+ *
+ * @see Crypt_Base::_encryptBlock()
+ * @see Crypt_Base::encrypt()
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _encryptBlock($in)
+ {
+ list($r0, $r1, $r2, $r3) = array_values(unpack('v*', $in));
+ $keys = $this->keys;
+ $limit = 20;
+ $actions = array($limit => 44, 44 => 64);
+ $j = 0;
+
+ for (;;) {
+ // Mixing round.
+ $r0 = (($r0 + $keys[$j++] + ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF) << 1;
+ $r0 |= $r0 >> 16;
+ $r1 = (($r1 + $keys[$j++] + ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF) << 2;
+ $r1 |= $r1 >> 16;
+ $r2 = (($r2 + $keys[$j++] + ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF) << 3;
+ $r2 |= $r2 >> 16;
+ $r3 = (($r3 + $keys[$j++] + ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF) << 5;
+ $r3 |= $r3 >> 16;
+
+ if ($j === $limit) {
+ if ($limit === 64) {
+ break;
+ }
+
+ // Mashing round.
+ $r0 += $keys[$r3 & 0x3F];
+ $r1 += $keys[$r0 & 0x3F];
+ $r2 += $keys[$r1 & 0x3F];
+ $r3 += $keys[$r2 & 0x3F];
+ $limit = $actions[$limit];
+ }
+ }
+
+ return pack('vvvv', $r0, $r1, $r2, $r3);
+ }
+
+ /**
+ * Decrypts a block
+ *
+ * @see Crypt_Base::_decryptBlock()
+ * @see Crypt_Base::decrypt()
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _decryptBlock($in)
+ {
+ list($r0, $r1, $r2, $r3) = array_values(unpack('v*', $in));
+ $keys = $this->keys;
+ $limit = 44;
+ $actions = array($limit => 20, 20 => 0);
+ $j = 64;
+
+ for (;;) {
+ // R-mixing round.
+ $r3 = ($r3 | ($r3 << 16)) >> 5;
+ $r3 = ($r3 - $keys[--$j] - ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF;
+ $r2 = ($r2 | ($r2 << 16)) >> 3;
+ $r2 = ($r2 - $keys[--$j] - ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF;
+ $r1 = ($r1 | ($r1 << 16)) >> 2;
+ $r1 = ($r1 - $keys[--$j] - ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF;
+ $r0 = ($r0 | ($r0 << 16)) >> 1;
+ $r0 = ($r0 - $keys[--$j] - ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF;
+
+ if ($j === $limit) {
+ if ($limit === 0) {
+ break;
+ }
+
+ // R-mashing round.
+ $r3 = ($r3 - $keys[$r2 & 0x3F]) & 0xFFFF;
+ $r2 = ($r2 - $keys[$r1 & 0x3F]) & 0xFFFF;
+ $r1 = ($r1 - $keys[$r0 & 0x3F]) & 0xFFFF;
+ $r0 = ($r0 - $keys[$r3 & 0x3F]) & 0xFFFF;
+ $limit = $actions[$limit];
+ }
+ }
+
+ return pack('vvvv', $r0, $r1, $r2, $r3);
+ }
+
+ /**
+ * Creates the key schedule
+ *
+ * @see Crypt_Base::_setupKey()
+ * @access private
+ */
+ function _setupKey()
+ {
+ // Key has already been expanded in Crypt_RC2::setKey():
+ // Only the first value must be altered.
+ $l = unpack('Ca/Cb/v*', $this->key);
+ array_unshift($l, $this->pitable[$l['a']] | ($l['b'] << 8));
+ unset($l['a']);
+ unset($l['b']);
+ $this->keys = $l;
+ }
+
+ /**
+ * Setup the performance-optimized function for de/encrypt()
+ *
+ * @see Crypt_Base::_setupInlineCrypt()
+ * @access private
+ */
+ function _setupInlineCrypt()
+ {
+ $lambda_functions = &Crypt_RC2::_getLambdaFunctions();
+
+ // The first 10 generated $lambda_functions will use the $keys hardcoded as integers
+ // for the mixing rounds, for better inline crypt performance [~20% faster].
+ // But for memory reason we have to limit those ultra-optimized $lambda_functions to an amount of 10.
+ $keys = $this->keys;
+ if (count($lambda_functions) >= 10) {
+ foreach ($this->keys as $k => $v) {
+ $keys[$k] = '$keys[' . $k . ']';
+ }
+ }
+
+ $code_hash = md5(str_pad("Crypt_RC2, {$this->mode}, ", 32, "\0") . implode(',', $keys));
+
+ // Is there a re-usable $lambda_functions in there?
+ // If not, we have to create it.
+ if (!isset($lambda_functions[$code_hash])) {
+ // Init code for both, encrypt and decrypt.
+ $init_crypt = '$keys = $self->keys;';
+
+ // $in is the current 8 bytes block which has to be en/decrypt
+ $encrypt_block = $decrypt_block = '
+ $in = unpack("v4", $in);
+ $r0 = $in[1];
+ $r1 = $in[2];
+ $r2 = $in[3];
+ $r3 = $in[4];
+ ';
+
+ // Create code for encryption.
+ $limit = 20;
+ $actions = array($limit => 44, 44 => 64);
+ $j = 0;
+
+ for (;;) {
+ // Mixing round.
+ $encrypt_block .= '
+ $r0 = (($r0 + ' . $keys[$j++] . ' +
+ ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF) << 1;
+ $r0 |= $r0 >> 16;
+ $r1 = (($r1 + ' . $keys[$j++] . ' +
+ ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF) << 2;
+ $r1 |= $r1 >> 16;
+ $r2 = (($r2 + ' . $keys[$j++] . ' +
+ ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF) << 3;
+ $r2 |= $r2 >> 16;
+ $r3 = (($r3 + ' . $keys[$j++] . ' +
+ ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF) << 5;
+ $r3 |= $r3 >> 16;';
+
+ if ($j === $limit) {
+ if ($limit === 64) {
+ break;
+ }
+
+ // Mashing round.
+ $encrypt_block .= '
+ $r0 += $keys[$r3 & 0x3F];
+ $r1 += $keys[$r0 & 0x3F];
+ $r2 += $keys[$r1 & 0x3F];
+ $r3 += $keys[$r2 & 0x3F];';
+ $limit = $actions[$limit];
+ }
+ }
+
+ $encrypt_block .= '$in = pack("v4", $r0, $r1, $r2, $r3);';
+
+ // Create code for decryption.
+ $limit = 44;
+ $actions = array($limit => 20, 20 => 0);
+ $j = 64;
+
+ for (;;) {
+ // R-mixing round.
+ $decrypt_block .= '
+ $r3 = ($r3 | ($r3 << 16)) >> 5;
+ $r3 = ($r3 - ' . $keys[--$j] . ' -
+ ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF;
+ $r2 = ($r2 | ($r2 << 16)) >> 3;
+ $r2 = ($r2 - ' . $keys[--$j] . ' -
+ ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF;
+ $r1 = ($r1 | ($r1 << 16)) >> 2;
+ $r1 = ($r1 - ' . $keys[--$j] . ' -
+ ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF;
+ $r0 = ($r0 | ($r0 << 16)) >> 1;
+ $r0 = ($r0 - ' . $keys[--$j] . ' -
+ ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF;';
+
+ if ($j === $limit) {
+ if ($limit === 0) {
+ break;
+ }
+
+ // R-mashing round.
+ $decrypt_block .= '
+ $r3 = ($r3 - $keys[$r2 & 0x3F]) & 0xFFFF;
+ $r2 = ($r2 - $keys[$r1 & 0x3F]) & 0xFFFF;
+ $r1 = ($r1 - $keys[$r0 & 0x3F]) & 0xFFFF;
+ $r0 = ($r0 - $keys[$r3 & 0x3F]) & 0xFFFF;';
+ $limit = $actions[$limit];
+ }
+ }
+
+ $decrypt_block .= '$in = pack("v4", $r0, $r1, $r2, $r3);';
+
+ // Creates the inline-crypt function
+ $lambda_functions[$code_hash] = $this->_createInlineCryptFunction(
+ array(
+ 'init_crypt' => $init_crypt,
+ 'encrypt_block' => $encrypt_block,
+ 'decrypt_block' => $decrypt_block
+ )
+ );
+ }
+
+ // Set the inline-crypt function as callback in: $this->inline_crypt
+ $this->inline_crypt = $lambda_functions[$code_hash];
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/RC4.php b/libs/phpseclib-0.3.7/Crypt/RC4.php new file mode 100644 index 0000000..24ae0a9 --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/RC4.php @@ -0,0 +1,329 @@ +<?php
+
+/**
+ * Pure-PHP implementation of RC4.
+ *
+ * Uses mcrypt, if available, and an internal implementation, otherwise.
+ *
+ * PHP versions 4 and 5
+ *
+ * Useful resources are as follows:
+ *
+ * - {@link http://www.mozilla.org/projects/security/pki/nss/draft-kaukonen-cipher-arcfour-03.txt ARCFOUR Algorithm}
+ * - {@link http://en.wikipedia.org/wiki/RC4 - Wikipedia: RC4}
+ *
+ * RC4 is also known as ARCFOUR or ARC4. The reason is elaborated upon at Wikipedia. This class is named RC4 and not
+ * ARCFOUR or ARC4 because RC4 is how it is referred to in the SSH1 specification.
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/RC4.php';
+ *
+ * $rc4 = new Crypt_RC4();
+ *
+ * $rc4->setKey('abcdefgh');
+ *
+ * $size = 10 * 1024;
+ * $plaintext = '';
+ * for ($i = 0; $i < $size; $i++) {
+ * $plaintext.= 'a';
+ * }
+ *
+ * echo $rc4->decrypt($rc4->encrypt($plaintext));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_RC4
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_Base
+ *
+ * Base cipher class
+ */
+if (!class_exists('Crypt_Base')) {
+ include_once 'Base.php';
+}
+
+/**#@+
+ * @access private
+ * @see Crypt_RC4::Crypt_RC4()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_RC4_MODE_INTERNAL', CRYPT_MODE_INTERNAL);
+/**
+ * Toggles the mcrypt implementation
+ */
+define('CRYPT_RC4_MODE_MCRYPT', CRYPT_MODE_MCRYPT);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_RC4::_crypt()
+ */
+define('CRYPT_RC4_ENCRYPT', 0);
+define('CRYPT_RC4_DECRYPT', 1);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of RC4.
+ *
+ * @package Crypt_RC4
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Crypt_RC4 extends Crypt_Base
+{
+ /**
+ * Block Length of the cipher
+ *
+ * RC4 is a stream cipher
+ * so we the block_size to 0
+ *
+ * @see Crypt_Base::block_size
+ * @var Integer
+ * @access private
+ */
+ var $block_size = 0;
+
+ /**
+ * The default password key_size used by setPassword()
+ *
+ * @see Crypt_Base::password_key_size
+ * @see Crypt_Base::setPassword()
+ * @var Integer
+ * @access private
+ */
+ var $password_key_size = 128; // = 1024 bits
+
+ /**
+ * The namespace used by the cipher for its constants.
+ *
+ * @see Crypt_Base::const_namespace
+ * @var String
+ * @access private
+ */
+ var $const_namespace = 'RC4';
+
+ /**
+ * The mcrypt specific name of the cipher
+ *
+ * @see Crypt_Base::cipher_name_mcrypt
+ * @var String
+ * @access private
+ */
+ var $cipher_name_mcrypt = 'arcfour';
+
+ /**
+ * Holds whether performance-optimized $inline_crypt() can/should be used.
+ *
+ * @see Crypt_Base::inline_crypt
+ * @var mixed
+ * @access private
+ */
+ var $use_inline_crypt = false; // currently not available
+
+ /**
+ * The Key
+ *
+ * @see Crypt_RC4::setKey()
+ * @var String
+ * @access private
+ */
+ var $key = "\0";
+
+ /**
+ * The Key Stream for decryption and encryption
+ *
+ * @see Crypt_RC4::setKey()
+ * @var Array
+ * @access private
+ */
+ var $stream;
+
+ /**
+ * Default Constructor.
+ *
+ * Determines whether or not the mcrypt extension should be used.
+ *
+ * @see Crypt_Base::Crypt_Base()
+ * @return Crypt_RC4
+ * @access public
+ */
+ function Crypt_RC4()
+ {
+ parent::Crypt_Base(CRYPT_MODE_STREAM);
+ }
+
+ /**
+ * Dummy function.
+ *
+ * Some protocols, such as WEP, prepend an "initialization vector" to the key, effectively creating a new key [1].
+ * If you need to use an initialization vector in this manner, feel free to prepend it to the key, yourself, before
+ * calling setKey().
+ *
+ * [1] WEP's initialization vectors (IV's) are used in a somewhat insecure way. Since, in that protocol,
+ * the IV's are relatively easy to predict, an attack described by
+ * {@link http://www.drizzle.com/~aboba/IEEE/rc4_ksaproc.pdf Scott Fluhrer, Itsik Mantin, and Adi Shamir}
+ * can be used to quickly guess at the rest of the key. The following links elaborate:
+ *
+ * {@link http://www.rsa.com/rsalabs/node.asp?id=2009 http://www.rsa.com/rsalabs/node.asp?id=2009}
+ * {@link http://en.wikipedia.org/wiki/Related_key_attack http://en.wikipedia.org/wiki/Related_key_attack}
+ *
+ * @param String $iv
+ * @see Crypt_RC4::setKey()
+ * @access public
+ */
+ function setIV($iv)
+ {
+ }
+
+ /**
+ * Sets the key.
+ *
+ * Keys can be between 1 and 256 bytes long. If they are longer then 256 bytes, the first 256 bytes will
+ * be used. If no key is explicitly set, it'll be assumed to be a single null byte.
+ *
+ * @access public
+ * @see Crypt_Base::setKey()
+ * @param String $key
+ */
+ function setKey($key)
+ {
+ parent::setKey(substr($key, 0, 256));
+ }
+
+ /**
+ * Encrypts a message.
+ *
+ * @see Crypt_Base::decrypt()
+ * @see Crypt_RC4::_crypt()
+ * @access public
+ * @param String $plaintext
+ * @return String $ciphertext
+ */
+ function encrypt($plaintext)
+ {
+ if ($this->engine == CRYPT_MODE_MCRYPT) {
+ return parent::encrypt($plaintext);
+ }
+ return $this->_crypt($plaintext, CRYPT_RC4_ENCRYPT);
+ }
+
+ /**
+ * Decrypts a message.
+ *
+ * $this->decrypt($this->encrypt($plaintext)) == $this->encrypt($this->encrypt($plaintext)).
+ * At least if the continuous buffer is disabled.
+ *
+ * @see Crypt_Base::encrypt()
+ * @see Crypt_RC4::_crypt()
+ * @access public
+ * @param String $ciphertext
+ * @return String $plaintext
+ */
+ function decrypt($ciphertext)
+ {
+ if ($this->engine == CRYPT_MODE_MCRYPT) {
+ return parent::decrypt($ciphertext);
+ }
+ return $this->_crypt($ciphertext, CRYPT_RC4_DECRYPT);
+ }
+
+
+ /**
+ * Setup the key (expansion)
+ *
+ * @see Crypt_Base::_setupKey()
+ * @access private
+ */
+ function _setupKey()
+ {
+ $key = $this->key;
+ $keyLength = strlen($key);
+ $keyStream = range(0, 255);
+ $j = 0;
+ for ($i = 0; $i < 256; $i++) {
+ $j = ($j + $keyStream[$i] + ord($key[$i % $keyLength])) & 255;
+ $temp = $keyStream[$i];
+ $keyStream[$i] = $keyStream[$j];
+ $keyStream[$j] = $temp;
+ }
+
+ $this->stream = array();
+ $this->stream[CRYPT_RC4_DECRYPT] = $this->stream[CRYPT_RC4_ENCRYPT] = array(
+ 0, // index $i
+ 0, // index $j
+ $keyStream
+ );
+ }
+
+ /**
+ * Encrypts or decrypts a message.
+ *
+ * @see Crypt_RC4::encrypt()
+ * @see Crypt_RC4::decrypt()
+ * @access private
+ * @param String $text
+ * @param Integer $mode
+ * @return String $text
+ */
+ function _crypt($text, $mode)
+ {
+ if ($this->changed) {
+ $this->_setup();
+ $this->changed = false;
+ }
+
+ $stream = &$this->stream[$mode];
+ if ($this->continuousBuffer) {
+ $i = &$stream[0];
+ $j = &$stream[1];
+ $keyStream = &$stream[2];
+ } else {
+ $i = $stream[0];
+ $j = $stream[1];
+ $keyStream = $stream[2];
+ }
+
+ $len = strlen($text);
+ for ($k = 0; $k < $len; ++$k) {
+ $i = ($i + 1) & 255;
+ $ksi = $keyStream[$i];
+ $j = ($j + $ksi) & 255;
+ $ksj = $keyStream[$j];
+
+ $keyStream[$i] = $ksj;
+ $keyStream[$j] = $ksi;
+ $text[$k] = $text[$k] ^ chr($keyStream[($ksj + $ksi) & 255]);
+ }
+
+ return $text;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/RSA.php b/libs/phpseclib-0.3.7/Crypt/RSA.php new file mode 100644 index 0000000..3ccf16f --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/RSA.php @@ -0,0 +1,2988 @@ +<?php
+
+/**
+ * Pure-PHP PKCS#1 (v2.1) compliant implementation of RSA.
+ *
+ * PHP versions 4 and 5
+ *
+ * Here's an example of how to encrypt and decrypt text with this library:
+ * <code>
+ * <?php
+ * include 'Crypt/RSA.php';
+ *
+ * $rsa = new Crypt_RSA();
+ * extract($rsa->createKey());
+ *
+ * $plaintext = 'terrafrost';
+ *
+ * $rsa->loadKey($privatekey);
+ * $ciphertext = $rsa->encrypt($plaintext);
+ *
+ * $rsa->loadKey($publickey);
+ * echo $rsa->decrypt($ciphertext);
+ * ?>
+ * </code>
+ *
+ * Here's an example of how to create signatures and verify signatures with this library:
+ * <code>
+ * <?php
+ * include 'Crypt/RSA.php';
+ *
+ * $rsa = new Crypt_RSA();
+ * extract($rsa->createKey());
+ *
+ * $plaintext = 'terrafrost';
+ *
+ * $rsa->loadKey($privatekey);
+ * $signature = $rsa->sign($plaintext);
+ *
+ * $rsa->loadKey($publickey);
+ * echo $rsa->verify($plaintext, $signature) ? 'verified' : 'unverified';
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_RSA
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMIX Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_Random
+ */
+// the class_exists() will only be called if the crypt_random_string function hasn't been defined and
+// will trigger a call to __autoload() if you're wanting to auto-load classes
+// call function_exists() a second time to stop the include_once from being called outside
+// of the auto loader
+if (!function_exists('crypt_random_string')) {
+ include_once 'Random.php';
+}
+
+/**
+ * Include Crypt_Hash
+ */
+if (!class_exists('Crypt_Hash')) {
+ include_once 'Hash.php';
+}
+
+/**#@+
+ * @access public
+ * @see Crypt_RSA::encrypt()
+ * @see Crypt_RSA::decrypt()
+ */
+/**
+ * Use {@link http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding Optimal Asymmetric Encryption Padding}
+ * (OAEP) for encryption / decryption.
+ *
+ * Uses sha1 by default.
+ *
+ * @see Crypt_RSA::setHash()
+ * @see Crypt_RSA::setMGFHash()
+ */
+define('CRYPT_RSA_ENCRYPTION_OAEP', 1);
+/**
+ * Use PKCS#1 padding.
+ *
+ * Although CRYPT_RSA_ENCRYPTION_OAEP offers more security, including PKCS#1 padding is necessary for purposes of backwards
+ * compatibility with protocols (like SSH-1) written before OAEP's introduction.
+ */
+define('CRYPT_RSA_ENCRYPTION_PKCS1', 2);
+/**#@-*/
+
+/**#@+
+ * @access public
+ * @see Crypt_RSA::sign()
+ * @see Crypt_RSA::verify()
+ * @see Crypt_RSA::setHash()
+ */
+/**
+ * Use the Probabilistic Signature Scheme for signing
+ *
+ * Uses sha1 by default.
+ *
+ * @see Crypt_RSA::setSaltLength()
+ * @see Crypt_RSA::setMGFHash()
+ */
+define('CRYPT_RSA_SIGNATURE_PSS', 1);
+/**
+ * Use the PKCS#1 scheme by default.
+ *
+ * Although CRYPT_RSA_SIGNATURE_PSS offers more security, including PKCS#1 signing is necessary for purposes of backwards
+ * compatibility with protocols (like SSH-2) written before PSS's introduction.
+ */
+define('CRYPT_RSA_SIGNATURE_PKCS1', 2);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_RSA::createKey()
+ */
+/**
+ * ASN1 Integer
+ */
+define('CRYPT_RSA_ASN1_INTEGER', 2);
+/**
+ * ASN1 Bit String
+ */
+define('CRYPT_RSA_ASN1_BITSTRING', 3);
+/**
+ * ASN1 Octet String
+ */
+define('CRYPT_RSA_ASN1_OCTETSTRING', 4);
+/**
+ * ASN1 Object Identifier
+ */
+define('CRYPT_RSA_ASN1_OBJECT', 6);
+/**
+ * ASN1 Sequence (with the constucted bit set)
+ */
+define('CRYPT_RSA_ASN1_SEQUENCE', 48);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_RSA::Crypt_RSA()
+ */
+/**
+ * To use the pure-PHP implementation
+ */
+define('CRYPT_RSA_MODE_INTERNAL', 1);
+/**
+ * To use the OpenSSL library
+ *
+ * (if enabled; otherwise, the internal implementation will be used)
+ */
+define('CRYPT_RSA_MODE_OPENSSL', 2);
+/**#@-*/
+
+/**
+ * Default openSSL configuration file.
+ */
+define('CRYPT_RSA_OPENSSL_CONFIG', dirname(__FILE__) . '/../openssl.cnf');
+
+/**#@+
+ * @access public
+ * @see Crypt_RSA::createKey()
+ * @see Crypt_RSA::setPrivateKeyFormat()
+ */
+/**
+ * PKCS#1 formatted private key
+ *
+ * Used by OpenSSH
+ */
+define('CRYPT_RSA_PRIVATE_FORMAT_PKCS1', 0);
+/**
+ * PuTTY formatted private key
+ */
+define('CRYPT_RSA_PRIVATE_FORMAT_PUTTY', 1);
+/**
+ * XML formatted private key
+ */
+define('CRYPT_RSA_PRIVATE_FORMAT_XML', 2);
+/**
+ * PKCS#8 formatted private key
+ */
+define('CRYPT_RSA_PRIVATE_FORMAT_PKCS8', 3);
+/**#@-*/
+
+/**#@+
+ * @access public
+ * @see Crypt_RSA::createKey()
+ * @see Crypt_RSA::setPublicKeyFormat()
+ */
+/**
+ * Raw public key
+ *
+ * An array containing two Math_BigInteger objects.
+ *
+ * The exponent can be indexed with any of the following:
+ *
+ * 0, e, exponent, publicExponent
+ *
+ * The modulus can be indexed with any of the following:
+ *
+ * 1, n, modulo, modulus
+ */
+define('CRYPT_RSA_PUBLIC_FORMAT_RAW', 3);
+/**
+ * PKCS#1 formatted public key (raw)
+ *
+ * Used by File/X509.php
+ *
+ * Has the following header:
+ *
+ * -----BEGIN RSA PUBLIC KEY-----
+ *
+ * Analogous to ssh-keygen's pem format (as specified by -m)
+ */
+define('CRYPT_RSA_PUBLIC_FORMAT_PKCS1', 4);
+define('CRYPT_RSA_PUBLIC_FORMAT_PKCS1_RAW', 4);
+/**
+ * XML formatted public key
+ */
+define('CRYPT_RSA_PUBLIC_FORMAT_XML', 5);
+/**
+ * OpenSSH formatted public key
+ *
+ * Place in $HOME/.ssh/authorized_keys
+ */
+define('CRYPT_RSA_PUBLIC_FORMAT_OPENSSH', 6);
+/**
+ * PKCS#1 formatted public key (encapsulated)
+ *
+ * Used by PHP's openssl_public_encrypt() and openssl's rsautl (when -pubin is set)
+ *
+ * Has the following header:
+ *
+ * -----BEGIN PUBLIC KEY-----
+ *
+ * Analogous to ssh-keygen's pkcs8 format (as specified by -m). Although PKCS8
+ * is specific to private keys it's basically creating a DER-encoded wrapper
+ * for keys. This just extends that same concept to public keys (much like ssh-keygen)
+ */
+define('CRYPT_RSA_PUBLIC_FORMAT_PKCS8', 7);
+/**#@-*/
+
+/**
+ * Pure-PHP PKCS#1 compliant implementation of RSA.
+ *
+ * @package Crypt_RSA
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Crypt_RSA
+{
+ /**
+ * Precomputed Zero
+ *
+ * @var Array
+ * @access private
+ */
+ var $zero;
+
+ /**
+ * Precomputed One
+ *
+ * @var Array
+ * @access private
+ */
+ var $one;
+
+ /**
+ * Private Key Format
+ *
+ * @var Integer
+ * @access private
+ */
+ var $privateKeyFormat = CRYPT_RSA_PRIVATE_FORMAT_PKCS1;
+
+ /**
+ * Public Key Format
+ *
+ * @var Integer
+ * @access public
+ */
+ var $publicKeyFormat = CRYPT_RSA_PUBLIC_FORMAT_PKCS8;
+
+ /**
+ * Modulus (ie. n)
+ *
+ * @var Math_BigInteger
+ * @access private
+ */
+ var $modulus;
+
+ /**
+ * Modulus length
+ *
+ * @var Math_BigInteger
+ * @access private
+ */
+ var $k;
+
+ /**
+ * Exponent (ie. e or d)
+ *
+ * @var Math_BigInteger
+ * @access private
+ */
+ var $exponent;
+
+ /**
+ * Primes for Chinese Remainder Theorem (ie. p and q)
+ *
+ * @var Array
+ * @access private
+ */
+ var $primes;
+
+ /**
+ * Exponents for Chinese Remainder Theorem (ie. dP and dQ)
+ *
+ * @var Array
+ * @access private
+ */
+ var $exponents;
+
+ /**
+ * Coefficients for Chinese Remainder Theorem (ie. qInv)
+ *
+ * @var Array
+ * @access private
+ */
+ var $coefficients;
+
+ /**
+ * Hash name
+ *
+ * @var String
+ * @access private
+ */
+ var $hashName;
+
+ /**
+ * Hash function
+ *
+ * @var Crypt_Hash
+ * @access private
+ */
+ var $hash;
+
+ /**
+ * Length of hash function output
+ *
+ * @var Integer
+ * @access private
+ */
+ var $hLen;
+
+ /**
+ * Length of salt
+ *
+ * @var Integer
+ * @access private
+ */
+ var $sLen;
+
+ /**
+ * Hash function for the Mask Generation Function
+ *
+ * @var Crypt_Hash
+ * @access private
+ */
+ var $mgfHash;
+
+ /**
+ * Length of MGF hash function output
+ *
+ * @var Integer
+ * @access private
+ */
+ var $mgfHLen;
+
+ /**
+ * Encryption mode
+ *
+ * @var Integer
+ * @access private
+ */
+ var $encryptionMode = CRYPT_RSA_ENCRYPTION_OAEP;
+
+ /**
+ * Signature mode
+ *
+ * @var Integer
+ * @access private
+ */
+ var $signatureMode = CRYPT_RSA_SIGNATURE_PSS;
+
+ /**
+ * Public Exponent
+ *
+ * @var Mixed
+ * @access private
+ */
+ var $publicExponent = false;
+
+ /**
+ * Password
+ *
+ * @var String
+ * @access private
+ */
+ var $password = false;
+
+ /**
+ * Components
+ *
+ * For use with parsing XML formatted keys. PHP's XML Parser functions use utilized - instead of PHP's DOM functions -
+ * because PHP's XML Parser functions work on PHP4 whereas PHP's DOM functions - although surperior - don't.
+ *
+ * @see Crypt_RSA::_start_element_handler()
+ * @var Array
+ * @access private
+ */
+ var $components = array();
+
+ /**
+ * Current String
+ *
+ * For use with parsing XML formatted keys.
+ *
+ * @see Crypt_RSA::_character_handler()
+ * @see Crypt_RSA::_stop_element_handler()
+ * @var Mixed
+ * @access private
+ */
+ var $current;
+
+ /**
+ * OpenSSL configuration file name.
+ *
+ * Set to null to use system configuration file.
+ * @see Crypt_RSA::createKey()
+ * @var Mixed
+ * @Access public
+ */
+ var $configFile;
+
+ /**
+ * Public key comment field.
+ *
+ * @var String
+ * @access private
+ */
+ var $comment = 'phpseclib-generated-key';
+
+ /**
+ * The constructor
+ *
+ * If you want to make use of the openssl extension, you'll need to set the mode manually, yourself. The reason
+ * Crypt_RSA doesn't do it is because OpenSSL doesn't fail gracefully. openssl_pkey_new(), in particular, requires
+ * openssl.cnf be present somewhere and, unfortunately, the only real way to find out is too late.
+ *
+ * @return Crypt_RSA
+ * @access public
+ */
+ function Crypt_RSA()
+ {
+ if (!class_exists('Math_BigInteger')) {
+ include_once 'Math/BigInteger.php';
+ }
+
+ $this->configFile = CRYPT_RSA_OPENSSL_CONFIG;
+
+ if ( !defined('CRYPT_RSA_MODE') ) {
+ // Math/BigInteger's openssl requirements are a little less stringent than Crypt/RSA's. in particular,
+ // Math/BigInteger doesn't require an openssl.cfg file whereas Crypt/RSA does. so if Math/BigInteger
+ // can't use OpenSSL it can be pretty trivially assumed, then, that Crypt/RSA can't either.
+ if ( defined('MATH_BIGINTEGER_OPENSSL_DISABLE') ) {
+ define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL);
+ }
+
+ switch ( !defined('CRYPT_RSA_MODE') ) { // ie. only run this if the above didn't set CRYPT_RSA_MODE already
+ // openssl_pkey_get_details - which is used in the only place Crypt/RSA.php uses OpenSSL - was introduced in PHP 5.2.0
+ case !function_exists('openssl_pkey_get_details'):
+ define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL);
+ break;
+ case extension_loaded('openssl') && version_compare(PHP_VERSION, '4.2.0', '>=') && file_exists($this->configFile):
+ // some versions of XAMPP have mismatched versions of OpenSSL which causes it not to work
+ ob_start();
+ @phpinfo();
+ $content = ob_get_contents();
+ ob_end_clean();
+
+ preg_match_all('#OpenSSL (Header|Library) Version(.*)#im', $content, $matches);
+
+ $versions = array();
+ if (!empty($matches[1])) {
+ for ($i = 0; $i < count($matches[1]); $i++) {
+ $versions[$matches[1][$i]] = trim(str_replace('=>', '', strip_tags($matches[2][$i])));
+ }
+ }
+
+ // it doesn't appear that OpenSSL versions were reported upon until PHP 5.3+
+ switch (true) {
+ case !isset($versions['Header']):
+ case !isset($versions['Library']):
+ case $versions['Header'] == $versions['Library']:
+ define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_OPENSSL);
+ break;
+ default:
+ define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL);
+ define('MATH_BIGINTEGER_OPENSSL_DISABLE', true);
+ }
+ break;
+ case true:
+ define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL);
+ }
+ }
+
+ $this->zero = new Math_BigInteger();
+ $this->one = new Math_BigInteger(1);
+
+ $this->hash = new Crypt_Hash('sha1');
+ $this->hLen = $this->hash->getLength();
+ $this->hashName = 'sha1';
+ $this->mgfHash = new Crypt_Hash('sha1');
+ $this->mgfHLen = $this->mgfHash->getLength();
+ }
+
+ /**
+ * Create public / private key pair
+ *
+ * Returns an array with the following three elements:
+ * - 'privatekey': The private key.
+ * - 'publickey': The public key.
+ * - 'partialkey': A partially computed key (if the execution time exceeded $timeout).
+ * Will need to be passed back to Crypt_RSA::createKey() as the third parameter for further processing.
+ *
+ * @access public
+ * @param optional Integer $bits
+ * @param optional Integer $timeout
+ * @param optional Math_BigInteger $p
+ */
+ function createKey($bits = 1024, $timeout = false, $partial = array())
+ {
+ if (!defined('CRYPT_RSA_EXPONENT')) {
+ // http://en.wikipedia.org/wiki/65537_%28number%29
+ define('CRYPT_RSA_EXPONENT', '65537');
+ }
+ // per <http://cseweb.ucsd.edu/~hovav/dist/survey.pdf#page=5>, this number ought not result in primes smaller
+ // than 256 bits. as a consequence if the key you're trying to create is 1024 bits and you've set CRYPT_RSA_SMALLEST_PRIME
+ // to 384 bits then you're going to get a 384 bit prime and a 640 bit prime (384 + 1024 % 384). at least if
+ // CRYPT_RSA_MODE is set to CRYPT_RSA_MODE_INTERNAL. if CRYPT_RSA_MODE is set to CRYPT_RSA_MODE_OPENSSL then
+ // CRYPT_RSA_SMALLEST_PRIME is ignored (ie. multi-prime RSA support is more intended as a way to speed up RSA key
+ // generation when there's a chance neither gmp nor OpenSSL are installed)
+ if (!defined('CRYPT_RSA_SMALLEST_PRIME')) {
+ define('CRYPT_RSA_SMALLEST_PRIME', 4096);
+ }
+
+ // OpenSSL uses 65537 as the exponent and requires RSA keys be 384 bits minimum
+ if ( CRYPT_RSA_MODE == CRYPT_RSA_MODE_OPENSSL && $bits >= 384 && CRYPT_RSA_EXPONENT == 65537) {
+ $config = array();
+ if (isset($this->configFile)) {
+ $config['config'] = $this->configFile;
+ }
+ $rsa = openssl_pkey_new(array('private_key_bits' => $bits) + $config);
+ openssl_pkey_export($rsa, $privatekey, null, $config);
+ $publickey = openssl_pkey_get_details($rsa);
+ $publickey = $publickey['key'];
+
+ $privatekey = call_user_func_array(array($this, '_convertPrivateKey'), array_values($this->_parseKey($privatekey, CRYPT_RSA_PRIVATE_FORMAT_PKCS1)));
+ $publickey = call_user_func_array(array($this, '_convertPublicKey'), array_values($this->_parseKey($publickey, CRYPT_RSA_PUBLIC_FORMAT_PKCS1)));
+
+ // clear the buffer of error strings stemming from a minimalistic openssl.cnf
+ while (openssl_error_string() !== false);
+
+ return array(
+ 'privatekey' => $privatekey,
+ 'publickey' => $publickey,
+ 'partialkey' => false
+ );
+ }
+
+ static $e;
+ if (!isset($e)) {
+ $e = new Math_BigInteger(CRYPT_RSA_EXPONENT);
+ }
+
+ extract($this->_generateMinMax($bits));
+ $absoluteMin = $min;
+ $temp = $bits >> 1; // divide by two to see how many bits P and Q would be
+ if ($temp > CRYPT_RSA_SMALLEST_PRIME) {
+ $num_primes = floor($bits / CRYPT_RSA_SMALLEST_PRIME);
+ $temp = CRYPT_RSA_SMALLEST_PRIME;
+ } else {
+ $num_primes = 2;
+ }
+ extract($this->_generateMinMax($temp + $bits % $temp));
+ $finalMax = $max;
+ extract($this->_generateMinMax($temp));
+
+ $generator = new Math_BigInteger();
+
+ $n = $this->one->copy();
+ if (!empty($partial)) {
+ extract(unserialize($partial));
+ } else {
+ $exponents = $coefficients = $primes = array();
+ $lcm = array(
+ 'top' => $this->one->copy(),
+ 'bottom' => false
+ );
+ }
+
+ $start = time();
+ $i0 = count($primes) + 1;
+
+ do {
+ for ($i = $i0; $i <= $num_primes; $i++) {
+ if ($timeout !== false) {
+ $timeout-= time() - $start;
+ $start = time();
+ if ($timeout <= 0) {
+ return array(
+ 'privatekey' => '',
+ 'publickey' => '',
+ 'partialkey' => serialize(array(
+ 'primes' => $primes,
+ 'coefficients' => $coefficients,
+ 'lcm' => $lcm,
+ 'exponents' => $exponents
+ ))
+ );
+ }
+ }
+
+ if ($i == $num_primes) {
+ list($min, $temp) = $absoluteMin->divide($n);
+ if (!$temp->equals($this->zero)) {
+ $min = $min->add($this->one); // ie. ceil()
+ }
+ $primes[$i] = $generator->randomPrime($min, $finalMax, $timeout);
+ } else {
+ $primes[$i] = $generator->randomPrime($min, $max, $timeout);
+ }
+
+ if ($primes[$i] === false) { // if we've reached the timeout
+ if (count($primes) > 1) {
+ $partialkey = '';
+ } else {
+ array_pop($primes);
+ $partialkey = serialize(array(
+ 'primes' => $primes,
+ 'coefficients' => $coefficients,
+ 'lcm' => $lcm,
+ 'exponents' => $exponents
+ ));
+ }
+
+ return array(
+ 'privatekey' => '',
+ 'publickey' => '',
+ 'partialkey' => $partialkey
+ );
+ }
+
+ // the first coefficient is calculated differently from the rest
+ // ie. instead of being $primes[1]->modInverse($primes[2]), it's $primes[2]->modInverse($primes[1])
+ if ($i > 2) {
+ $coefficients[$i] = $n->modInverse($primes[$i]);
+ }
+
+ $n = $n->multiply($primes[$i]);
+
+ $temp = $primes[$i]->subtract($this->one);
+
+ // textbook RSA implementations use Euler's totient function instead of the least common multiple.
+ // see http://en.wikipedia.org/wiki/Euler%27s_totient_function
+ $lcm['top'] = $lcm['top']->multiply($temp);
+ $lcm['bottom'] = $lcm['bottom'] === false ? $temp : $lcm['bottom']->gcd($temp);
+
+ $exponents[$i] = $e->modInverse($temp);
+ }
+
+ list($temp) = $lcm['top']->divide($lcm['bottom']);
+ $gcd = $temp->gcd($e);
+ $i0 = 1;
+ } while (!$gcd->equals($this->one));
+
+ $d = $e->modInverse($temp);
+
+ $coefficients[2] = $primes[2]->modInverse($primes[1]);
+
+ // from <http://tools.ietf.org/html/rfc3447#appendix-A.1.2>:
+ // RSAPrivateKey ::= SEQUENCE {
+ // version Version,
+ // modulus INTEGER, -- n
+ // publicExponent INTEGER, -- e
+ // privateExponent INTEGER, -- d
+ // prime1 INTEGER, -- p
+ // prime2 INTEGER, -- q
+ // exponent1 INTEGER, -- d mod (p-1)
+ // exponent2 INTEGER, -- d mod (q-1)
+ // coefficient INTEGER, -- (inverse of q) mod p
+ // otherPrimeInfos OtherPrimeInfos OPTIONAL
+ // }
+
+ return array(
+ 'privatekey' => $this->_convertPrivateKey($n, $e, $d, $primes, $exponents, $coefficients),
+ 'publickey' => $this->_convertPublicKey($n, $e),
+ 'partialkey' => false
+ );
+ }
+
+ /**
+ * Convert a private key to the appropriate format.
+ *
+ * @access private
+ * @see setPrivateKeyFormat()
+ * @param String $RSAPrivateKey
+ * @return String
+ */
+ function _convertPrivateKey($n, $e, $d, $primes, $exponents, $coefficients)
+ {
+ $num_primes = count($primes);
+ $raw = array(
+ 'version' => $num_primes == 2 ? chr(0) : chr(1), // two-prime vs. multi
+ 'modulus' => $n->toBytes(true),
+ 'publicExponent' => $e->toBytes(true),
+ 'privateExponent' => $d->toBytes(true),
+ 'prime1' => $primes[1]->toBytes(true),
+ 'prime2' => $primes[2]->toBytes(true),
+ 'exponent1' => $exponents[1]->toBytes(true),
+ 'exponent2' => $exponents[2]->toBytes(true),
+ 'coefficient' => $coefficients[2]->toBytes(true)
+ );
+
+ // if the format in question does not support multi-prime rsa and multi-prime rsa was used,
+ // call _convertPublicKey() instead.
+ switch ($this->privateKeyFormat) {
+ case CRYPT_RSA_PRIVATE_FORMAT_XML:
+ if ($num_primes != 2) {
+ return false;
+ }
+ return "<RSAKeyValue>\r\n" .
+ ' <Modulus>' . base64_encode($raw['modulus']) . "</Modulus>\r\n" .
+ ' <Exponent>' . base64_encode($raw['publicExponent']) . "</Exponent>\r\n" .
+ ' <P>' . base64_encode($raw['prime1']) . "</P>\r\n" .
+ ' <Q>' . base64_encode($raw['prime2']) . "</Q>\r\n" .
+ ' <DP>' . base64_encode($raw['exponent1']) . "</DP>\r\n" .
+ ' <DQ>' . base64_encode($raw['exponent2']) . "</DQ>\r\n" .
+ ' <InverseQ>' . base64_encode($raw['coefficient']) . "</InverseQ>\r\n" .
+ ' <D>' . base64_encode($raw['privateExponent']) . "</D>\r\n" .
+ '</RSAKeyValue>';
+ break;
+ case CRYPT_RSA_PRIVATE_FORMAT_PUTTY:
+ if ($num_primes != 2) {
+ return false;
+ }
+ $key = "PuTTY-User-Key-File-2: ssh-rsa\r\nEncryption: ";
+ $encryption = (!empty($this->password) || is_string($this->password)) ? 'aes256-cbc' : 'none';
+ $key.= $encryption;
+ $key.= "\r\nComment: " . $this->comment . "\r\n";
+ $public = pack('Na*Na*Na*',
+ strlen('ssh-rsa'), 'ssh-rsa', strlen($raw['publicExponent']), $raw['publicExponent'], strlen($raw['modulus']), $raw['modulus']
+ );
+ $source = pack('Na*Na*Na*Na*',
+ strlen('ssh-rsa'), 'ssh-rsa', strlen($encryption), $encryption,
+ strlen($this->comment), $this->comment, strlen($public), $public
+ );
+ $public = base64_encode($public);
+ $key.= "Public-Lines: " . ((strlen($public) + 63) >> 6) . "\r\n";
+ $key.= chunk_split($public, 64);
+ $private = pack('Na*Na*Na*Na*',
+ strlen($raw['privateExponent']), $raw['privateExponent'], strlen($raw['prime1']), $raw['prime1'],
+ strlen($raw['prime2']), $raw['prime2'], strlen($raw['coefficient']), $raw['coefficient']
+ );
+ if (empty($this->password) && !is_string($this->password)) {
+ $source.= pack('Na*', strlen($private), $private);
+ $hashkey = 'putty-private-key-file-mac-key';
+ } else {
+ $private.= crypt_random_string(16 - (strlen($private) & 15));
+ $source.= pack('Na*', strlen($private), $private);
+ if (!class_exists('Crypt_AES')) {
+ include_once 'Crypt/AES.php';
+ }
+ $sequence = 0;
+ $symkey = '';
+ while (strlen($symkey) < 32) {
+ $temp = pack('Na*', $sequence++, $this->password);
+ $symkey.= pack('H*', sha1($temp));
+ }
+ $symkey = substr($symkey, 0, 32);
+ $crypto = new Crypt_AES();
+
+ $crypto->setKey($symkey);
+ $crypto->disablePadding();
+ $private = $crypto->encrypt($private);
+ $hashkey = 'putty-private-key-file-mac-key' . $this->password;
+ }
+
+ $private = base64_encode($private);
+ $key.= 'Private-Lines: ' . ((strlen($private) + 63) >> 6) . "\r\n";
+ $key.= chunk_split($private, 64);
+ if (!class_exists('Crypt_Hash')) {
+ include_once 'Crypt/Hash.php';
+ }
+ $hash = new Crypt_Hash('sha1');
+ $hash->setKey(pack('H*', sha1($hashkey)));
+ $key.= 'Private-MAC: ' . bin2hex($hash->hash($source)) . "\r\n";
+
+ return $key;
+ default: // eg. CRYPT_RSA_PRIVATE_FORMAT_PKCS1
+ $components = array();
+ foreach ($raw as $name => $value) {
+ $components[$name] = pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($value)), $value);
+ }
+
+ $RSAPrivateKey = implode('', $components);
+
+ if ($num_primes > 2) {
+ $OtherPrimeInfos = '';
+ for ($i = 3; $i <= $num_primes; $i++) {
+ // OtherPrimeInfos ::= SEQUENCE SIZE(1..MAX) OF OtherPrimeInfo
+ //
+ // OtherPrimeInfo ::= SEQUENCE {
+ // prime INTEGER, -- ri
+ // exponent INTEGER, -- di
+ // coefficient INTEGER -- ti
+ // }
+ $OtherPrimeInfo = pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($primes[$i]->toBytes(true))), $primes[$i]->toBytes(true));
+ $OtherPrimeInfo.= pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($exponents[$i]->toBytes(true))), $exponents[$i]->toBytes(true));
+ $OtherPrimeInfo.= pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($coefficients[$i]->toBytes(true))), $coefficients[$i]->toBytes(true));
+ $OtherPrimeInfos.= pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfo)), $OtherPrimeInfo);
+ }
+ $RSAPrivateKey.= pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfos)), $OtherPrimeInfos);
+ }
+
+ $RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey);
+
+ if ($this->privateKeyFormat == CRYPT_RSA_PRIVATE_FORMAT_PKCS8) {
+ $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA
+ $RSAPrivateKey = pack('Ca*a*Ca*a*',
+ CRYPT_RSA_ASN1_INTEGER, "\01\00", $rsaOID, 4, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey
+ );
+ $RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey);
+ if (!empty($this->password) || is_string($this->password)) {
+ $salt = crypt_random_string(8);
+ $iterationCount = 2048;
+
+ if (!class_exists('Crypt_DES')) {
+ include_once 'Crypt/DES.php';
+ }
+ $crypto = new Crypt_DES();
+ $crypto->setPassword($this->password, 'pbkdf1', 'md5', $salt, $iterationCount);
+ $RSAPrivateKey = $crypto->encrypt($RSAPrivateKey);
+
+ $parameters = pack('Ca*a*Ca*N',
+ CRYPT_RSA_ASN1_OCTETSTRING, $this->_encodeLength(strlen($salt)), $salt,
+ CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(4), $iterationCount
+ );
+ $pbeWithMD5AndDES_CBC = "\x2a\x86\x48\x86\xf7\x0d\x01\x05\x03";
+
+ $encryptionAlgorithm = pack('Ca*a*Ca*a*',
+ CRYPT_RSA_ASN1_OBJECT, $this->_encodeLength(strlen($pbeWithMD5AndDES_CBC)), $pbeWithMD5AndDES_CBC,
+ CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($parameters)), $parameters
+ );
+
+ $RSAPrivateKey = pack('Ca*a*Ca*a*',
+ CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($encryptionAlgorithm)), $encryptionAlgorithm,
+ CRYPT_RSA_ASN1_OCTETSTRING, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey
+ );
+
+ $RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey);
+
+ $RSAPrivateKey = "-----BEGIN ENCRYPTED PRIVATE KEY-----\r\n" .
+ chunk_split(base64_encode($RSAPrivateKey), 64) .
+ '-----END ENCRYPTED PRIVATE KEY-----';
+ } else {
+ $RSAPrivateKey = "-----BEGIN PRIVATE KEY-----\r\n" .
+ chunk_split(base64_encode($RSAPrivateKey), 64) .
+ '-----END PRIVATE KEY-----';
+ }
+ return $RSAPrivateKey;
+ }
+
+ if (!empty($this->password) || is_string($this->password)) {
+ $iv = crypt_random_string(8);
+ $symkey = pack('H*', md5($this->password . $iv)); // symkey is short for symmetric key
+ $symkey.= substr(pack('H*', md5($symkey . $this->password . $iv)), 0, 8);
+ if (!class_exists('Crypt_TripleDES')) {
+ include_once 'Crypt/TripleDES.php';
+ }
+ $des = new Crypt_TripleDES();
+ $des->setKey($symkey);
+ $des->setIV($iv);
+ $iv = strtoupper(bin2hex($iv));
+ $RSAPrivateKey = "-----BEGIN RSA PRIVATE KEY-----\r\n" .
+ "Proc-Type: 4,ENCRYPTED\r\n" .
+ "DEK-Info: DES-EDE3-CBC,$iv\r\n" .
+ "\r\n" .
+ chunk_split(base64_encode($des->encrypt($RSAPrivateKey)), 64) .
+ '-----END RSA PRIVATE KEY-----';
+ } else {
+ $RSAPrivateKey = "-----BEGIN RSA PRIVATE KEY-----\r\n" .
+ chunk_split(base64_encode($RSAPrivateKey), 64) .
+ '-----END RSA PRIVATE KEY-----';
+ }
+
+ return $RSAPrivateKey;
+ }
+ }
+
+ /**
+ * Convert a public key to the appropriate format
+ *
+ * @access private
+ * @see setPublicKeyFormat()
+ * @param String $RSAPrivateKey
+ * @return String
+ */
+ function _convertPublicKey($n, $e)
+ {
+ $modulus = $n->toBytes(true);
+ $publicExponent = $e->toBytes(true);
+
+ switch ($this->publicKeyFormat) {
+ case CRYPT_RSA_PUBLIC_FORMAT_RAW:
+ return array('e' => $e->copy(), 'n' => $n->copy());
+ case CRYPT_RSA_PUBLIC_FORMAT_XML:
+ return "<RSAKeyValue>\r\n" .
+ ' <Modulus>' . base64_encode($modulus) . "</Modulus>\r\n" .
+ ' <Exponent>' . base64_encode($publicExponent) . "</Exponent>\r\n" .
+ '</RSAKeyValue>';
+ break;
+ case CRYPT_RSA_PUBLIC_FORMAT_OPENSSH:
+ // from <http://tools.ietf.org/html/rfc4253#page-15>:
+ // string "ssh-rsa"
+ // mpint e
+ // mpint n
+ $RSAPublicKey = pack('Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publicExponent), $publicExponent, strlen($modulus), $modulus);
+ $RSAPublicKey = 'ssh-rsa ' . base64_encode($RSAPublicKey) . ' ' . $this->comment;
+
+ return $RSAPublicKey;
+ default: // eg. CRYPT_RSA_PUBLIC_FORMAT_PKCS1_RAW or CRYPT_RSA_PUBLIC_FORMAT_PKCS1
+ // from <http://tools.ietf.org/html/rfc3447#appendix-A.1.1>:
+ // RSAPublicKey ::= SEQUENCE {
+ // modulus INTEGER, -- n
+ // publicExponent INTEGER -- e
+ // }
+ $components = array(
+ 'modulus' => pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($modulus)), $modulus),
+ 'publicExponent' => pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($publicExponent)), $publicExponent)
+ );
+
+ $RSAPublicKey = pack('Ca*a*a*',
+ CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($components['modulus']) + strlen($components['publicExponent'])),
+ $components['modulus'], $components['publicExponent']
+ );
+
+ if ($this->publicKeyFormat == CRYPT_RSA_PUBLIC_FORMAT_PKCS1_RAW) {
+ $RSAPublicKey = "-----BEGIN RSA PUBLIC KEY-----\r\n" .
+ chunk_split(base64_encode($RSAPublicKey), 64) .
+ '-----END RSA PUBLIC KEY-----';
+ } else {
+ // sequence(oid(1.2.840.113549.1.1.1), null)) = rsaEncryption.
+ $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA
+ $RSAPublicKey = chr(0) . $RSAPublicKey;
+ $RSAPublicKey = chr(3) . $this->_encodeLength(strlen($RSAPublicKey)) . $RSAPublicKey;
+
+ $RSAPublicKey = pack('Ca*a*',
+ CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($rsaOID . $RSAPublicKey)), $rsaOID . $RSAPublicKey
+ );
+
+ $RSAPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" .
+ chunk_split(base64_encode($RSAPublicKey), 64) .
+ '-----END PUBLIC KEY-----';
+ }
+
+ return $RSAPublicKey;
+ }
+ }
+
+ /**
+ * Break a public or private key down into its constituant components
+ *
+ * @access private
+ * @see _convertPublicKey()
+ * @see _convertPrivateKey()
+ * @param String $key
+ * @param Integer $type
+ * @return Array
+ */
+ function _parseKey($key, $type)
+ {
+ if ($type != CRYPT_RSA_PUBLIC_FORMAT_RAW && !is_string($key)) {
+ return false;
+ }
+
+ switch ($type) {
+ case CRYPT_RSA_PUBLIC_FORMAT_RAW:
+ if (!is_array($key)) {
+ return false;
+ }
+ $components = array();
+ switch (true) {
+ case isset($key['e']):
+ $components['publicExponent'] = $key['e']->copy();
+ break;
+ case isset($key['exponent']):
+ $components['publicExponent'] = $key['exponent']->copy();
+ break;
+ case isset($key['publicExponent']):
+ $components['publicExponent'] = $key['publicExponent']->copy();
+ break;
+ case isset($key[0]):
+ $components['publicExponent'] = $key[0]->copy();
+ }
+ switch (true) {
+ case isset($key['n']):
+ $components['modulus'] = $key['n']->copy();
+ break;
+ case isset($key['modulo']):
+ $components['modulus'] = $key['modulo']->copy();
+ break;
+ case isset($key['modulus']):
+ $components['modulus'] = $key['modulus']->copy();
+ break;
+ case isset($key[1]):
+ $components['modulus'] = $key[1]->copy();
+ }
+ return isset($components['modulus']) && isset($components['publicExponent']) ? $components : false;
+ case CRYPT_RSA_PRIVATE_FORMAT_PKCS1:
+ case CRYPT_RSA_PRIVATE_FORMAT_PKCS8:
+ case CRYPT_RSA_PUBLIC_FORMAT_PKCS1:
+ /* Although PKCS#1 proposes a format that public and private keys can use, encrypting them is
+ "outside the scope" of PKCS#1. PKCS#1 then refers you to PKCS#12 and PKCS#15 if you're wanting to
+ protect private keys, however, that's not what OpenSSL* does. OpenSSL protects private keys by adding
+ two new "fields" to the key - DEK-Info and Proc-Type. These fields are discussed here:
+
+ http://tools.ietf.org/html/rfc1421#section-4.6.1.1
+ http://tools.ietf.org/html/rfc1421#section-4.6.1.3
+
+ DES-EDE3-CBC as an algorithm, however, is not discussed anywhere, near as I can tell.
+ DES-CBC and DES-EDE are discussed in RFC1423, however, DES-EDE3-CBC isn't, nor is its key derivation
+ function. As is, the definitive authority on this encoding scheme isn't the IETF but rather OpenSSL's
+ own implementation. ie. the implementation *is* the standard and any bugs that may exist in that
+ implementation are part of the standard, as well.
+
+ * OpenSSL is the de facto standard. It's utilized by OpenSSH and other projects */
+ if (preg_match('#DEK-Info: (.+),(.+)#', $key, $matches)) {
+ $iv = pack('H*', trim($matches[2]));
+ $symkey = pack('H*', md5($this->password . substr($iv, 0, 8))); // symkey is short for symmetric key
+ $symkey.= pack('H*', md5($symkey . $this->password . substr($iv, 0, 8)));
+ // remove the Proc-Type / DEK-Info sections as they're no longer needed
+ $key = preg_replace('#^(?:Proc-Type|DEK-Info): .*#m', '', $key);
+ $ciphertext = $this->_extractBER($key);
+ if ($ciphertext === false) {
+ $ciphertext = $key;
+ }
+ switch ($matches[1]) {
+ case 'AES-256-CBC':
+ if (!class_exists('Crypt_AES')) {
+ include_once 'Crypt/AES.php';
+ }
+ $crypto = new Crypt_AES();
+ break;
+ case 'AES-128-CBC':
+ if (!class_exists('Crypt_AES')) {
+ include_once 'Crypt/AES.php';
+ }
+ $symkey = substr($symkey, 0, 16);
+ $crypto = new Crypt_AES();
+ break;
+ case 'DES-EDE3-CFB':
+ if (!class_exists('Crypt_TripleDES')) {
+ include_once 'Crypt/TripleDES.php';
+ }
+ $crypto = new Crypt_TripleDES(CRYPT_DES_MODE_CFB);
+ break;
+ case 'DES-EDE3-CBC':
+ if (!class_exists('Crypt_TripleDES')) {
+ include_once 'Crypt/TripleDES.php';
+ }
+ $symkey = substr($symkey, 0, 24);
+ $crypto = new Crypt_TripleDES();
+ break;
+ case 'DES-CBC':
+ if (!class_exists('Crypt_DES')) {
+ include_once 'Crypt/DES.php';
+ }
+ $crypto = new Crypt_DES();
+ break;
+ default:
+ return false;
+ }
+ $crypto->setKey($symkey);
+ $crypto->setIV($iv);
+ $decoded = $crypto->decrypt($ciphertext);
+ } else {
+ $decoded = $this->_extractBER($key);
+ }
+
+ if ($decoded !== false) {
+ $key = $decoded;
+ }
+
+ $components = array();
+
+ if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) {
+ return false;
+ }
+ if ($this->_decodeLength($key) != strlen($key)) {
+ return false;
+ }
+
+ $tag = ord($this->_string_shift($key));
+ /* intended for keys for which OpenSSL's asn1parse returns the following:
+
+ 0:d=0 hl=4 l= 631 cons: SEQUENCE
+ 4:d=1 hl=2 l= 1 prim: INTEGER :00
+ 7:d=1 hl=2 l= 13 cons: SEQUENCE
+ 9:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption
+ 20:d=2 hl=2 l= 0 prim: NULL
+ 22:d=1 hl=4 l= 609 prim: OCTET STRING
+
+ ie. PKCS8 keys*/
+
+ if ($tag == CRYPT_RSA_ASN1_INTEGER && substr($key, 0, 3) == "\x01\x00\x30") {
+ $this->_string_shift($key, 3);
+ $tag = CRYPT_RSA_ASN1_SEQUENCE;
+ }
+
+ if ($tag == CRYPT_RSA_ASN1_SEQUENCE) {
+ $temp = $this->_string_shift($key, $this->_decodeLength($key));
+ if (ord($this->_string_shift($temp)) != CRYPT_RSA_ASN1_OBJECT) {
+ return false;
+ }
+ $length = $this->_decodeLength($temp);
+ switch ($this->_string_shift($temp, $length)) {
+ case "\x2a\x86\x48\x86\xf7\x0d\x01\x01\x01": // rsaEncryption
+ break;
+ case "\x2a\x86\x48\x86\xf7\x0d\x01\x05\x03": // pbeWithMD5AndDES-CBC
+ /*
+ PBEParameter ::= SEQUENCE {
+ salt OCTET STRING (SIZE(8)),
+ iterationCount INTEGER }
+ */
+ if (ord($this->_string_shift($temp)) != CRYPT_RSA_ASN1_SEQUENCE) {
+ return false;
+ }
+ if ($this->_decodeLength($temp) != strlen($temp)) {
+ return false;
+ }
+ $this->_string_shift($temp); // assume it's an octet string
+ $salt = $this->_string_shift($temp, $this->_decodeLength($temp));
+ if (ord($this->_string_shift($temp)) != CRYPT_RSA_ASN1_INTEGER) {
+ return false;
+ }
+ $this->_decodeLength($temp);
+ list(, $iterationCount) = unpack('N', str_pad($temp, 4, chr(0), STR_PAD_LEFT));
+ $this->_string_shift($key); // assume it's an octet string
+ $length = $this->_decodeLength($key);
+ if (strlen($key) != $length) {
+ return false;
+ }
+
+ if (!class_exists('Crypt_DES')) {
+ include_once 'Crypt/DES.php';
+ }
+ $crypto = new Crypt_DES();
+ $crypto->setPassword($this->password, 'pbkdf1', 'md5', $salt, $iterationCount);
+ $key = $crypto->decrypt($key);
+ if ($key === false) {
+ return false;
+ }
+ return $this->_parseKey($key, CRYPT_RSA_PRIVATE_FORMAT_PKCS1);
+ default:
+ return false;
+ }
+ /* intended for keys for which OpenSSL's asn1parse returns the following:
+
+ 0:d=0 hl=4 l= 290 cons: SEQUENCE
+ 4:d=1 hl=2 l= 13 cons: SEQUENCE
+ 6:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption
+ 17:d=2 hl=2 l= 0 prim: NULL
+ 19:d=1 hl=4 l= 271 prim: BIT STRING */
+ $tag = ord($this->_string_shift($key)); // skip over the BIT STRING / OCTET STRING tag
+ $this->_decodeLength($key); // skip over the BIT STRING / OCTET STRING length
+ // "The initial octet shall encode, as an unsigned binary integer wtih bit 1 as the least significant bit, the number of
+ // unused bits in the final subsequent octet. The number shall be in the range zero to seven."
+ // -- http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf (section 8.6.2.2)
+ if ($tag == CRYPT_RSA_ASN1_BITSTRING) {
+ $this->_string_shift($key);
+ }
+ if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) {
+ return false;
+ }
+ if ($this->_decodeLength($key) != strlen($key)) {
+ return false;
+ }
+ $tag = ord($this->_string_shift($key));
+ }
+ if ($tag != CRYPT_RSA_ASN1_INTEGER) {
+ return false;
+ }
+
+ $length = $this->_decodeLength($key);
+ $temp = $this->_string_shift($key, $length);
+ if (strlen($temp) != 1 || ord($temp) > 2) {
+ $components['modulus'] = new Math_BigInteger($temp, 256);
+ $this->_string_shift($key); // skip over CRYPT_RSA_ASN1_INTEGER
+ $length = $this->_decodeLength($key);
+ $components[$type == CRYPT_RSA_PUBLIC_FORMAT_PKCS1 ? 'publicExponent' : 'privateExponent'] = new Math_BigInteger($this->_string_shift($key, $length), 256);
+
+ return $components;
+ }
+ if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_INTEGER) {
+ return false;
+ }
+ $length = $this->_decodeLength($key);
+ $components['modulus'] = new Math_BigInteger($this->_string_shift($key, $length), 256);
+ $this->_string_shift($key);
+ $length = $this->_decodeLength($key);
+ $components['publicExponent'] = new Math_BigInteger($this->_string_shift($key, $length), 256);
+ $this->_string_shift($key);
+ $length = $this->_decodeLength($key);
+ $components['privateExponent'] = new Math_BigInteger($this->_string_shift($key, $length), 256);
+ $this->_string_shift($key);
+ $length = $this->_decodeLength($key);
+ $components['primes'] = array(1 => new Math_BigInteger($this->_string_shift($key, $length), 256));
+ $this->_string_shift($key);
+ $length = $this->_decodeLength($key);
+ $components['primes'][] = new Math_BigInteger($this->_string_shift($key, $length), 256);
+ $this->_string_shift($key);
+ $length = $this->_decodeLength($key);
+ $components['exponents'] = array(1 => new Math_BigInteger($this->_string_shift($key, $length), 256));
+ $this->_string_shift($key);
+ $length = $this->_decodeLength($key);
+ $components['exponents'][] = new Math_BigInteger($this->_string_shift($key, $length), 256);
+ $this->_string_shift($key);
+ $length = $this->_decodeLength($key);
+ $components['coefficients'] = array(2 => new Math_BigInteger($this->_string_shift($key, $length), 256));
+
+ if (!empty($key)) {
+ if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) {
+ return false;
+ }
+ $this->_decodeLength($key);
+ while (!empty($key)) {
+ if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) {
+ return false;
+ }
+ $this->_decodeLength($key);
+ $key = substr($key, 1);
+ $length = $this->_decodeLength($key);
+ $components['primes'][] = new Math_BigInteger($this->_string_shift($key, $length), 256);
+ $this->_string_shift($key);
+ $length = $this->_decodeLength($key);
+ $components['exponents'][] = new Math_BigInteger($this->_string_shift($key, $length), 256);
+ $this->_string_shift($key);
+ $length = $this->_decodeLength($key);
+ $components['coefficients'][] = new Math_BigInteger($this->_string_shift($key, $length), 256);
+ }
+ }
+
+ return $components;
+ case CRYPT_RSA_PUBLIC_FORMAT_OPENSSH:
+ $parts = explode(' ', $key, 3);
+
+ $key = isset($parts[1]) ? base64_decode($parts[1]) : false;
+ if ($key === false) {
+ return false;
+ }
+
+ $comment = isset($parts[2]) ? $parts[2] : false;
+
+ $cleanup = substr($key, 0, 11) == "\0\0\0\7ssh-rsa";
+
+ if (strlen($key) <= 4) {
+ return false;
+ }
+ extract(unpack('Nlength', $this->_string_shift($key, 4)));
+ $publicExponent = new Math_BigInteger($this->_string_shift($key, $length), -256);
+ if (strlen($key) <= 4) {
+ return false;
+ }
+ extract(unpack('Nlength', $this->_string_shift($key, 4)));
+ $modulus = new Math_BigInteger($this->_string_shift($key, $length), -256);
+
+ if ($cleanup && strlen($key)) {
+ if (strlen($key) <= 4) {
+ return false;
+ }
+ extract(unpack('Nlength', $this->_string_shift($key, 4)));
+ $realModulus = new Math_BigInteger($this->_string_shift($key, $length), -256);
+ return strlen($key) ? false : array(
+ 'modulus' => $realModulus,
+ 'publicExponent' => $modulus,
+ 'comment' => $comment
+ );
+ } else {
+ return strlen($key) ? false : array(
+ 'modulus' => $modulus,
+ 'publicExponent' => $publicExponent,
+ 'comment' => $comment
+ );
+ }
+ // http://www.w3.org/TR/xmldsig-core/#sec-RSAKeyValue
+ // http://en.wikipedia.org/wiki/XML_Signature
+ case CRYPT_RSA_PRIVATE_FORMAT_XML:
+ case CRYPT_RSA_PUBLIC_FORMAT_XML:
+ $this->components = array();
+
+ $xml = xml_parser_create('UTF-8');
+ xml_set_object($xml, $this);
+ xml_set_element_handler($xml, '_start_element_handler', '_stop_element_handler');
+ xml_set_character_data_handler($xml, '_data_handler');
+ // add <xml></xml> to account for "dangling" tags like <BitStrength>...</BitStrength> that are sometimes added
+ if (!xml_parse($xml, '<xml>' . $key . '</xml>')) {
+ return false;
+ }
+
+ return isset($this->components['modulus']) && isset($this->components['publicExponent']) ? $this->components : false;
+ // from PuTTY's SSHPUBK.C
+ case CRYPT_RSA_PRIVATE_FORMAT_PUTTY:
+ $components = array();
+ $key = preg_split('#\r\n|\r|\n#', $key);
+ $type = trim(preg_replace('#PuTTY-User-Key-File-2: (.+)#', '$1', $key[0]));
+ if ($type != 'ssh-rsa') {
+ return false;
+ }
+ $encryption = trim(preg_replace('#Encryption: (.+)#', '$1', $key[1]));
+ $comment = trim(preg_replace('#Comment: (.+)#', '$1', $key[2]));
+
+ $publicLength = trim(preg_replace('#Public-Lines: (\d+)#', '$1', $key[3]));
+ $public = base64_decode(implode('', array_map('trim', array_slice($key, 4, $publicLength))));
+ $public = substr($public, 11);
+ extract(unpack('Nlength', $this->_string_shift($public, 4)));
+ $components['publicExponent'] = new Math_BigInteger($this->_string_shift($public, $length), -256);
+ extract(unpack('Nlength', $this->_string_shift($public, 4)));
+ $components['modulus'] = new Math_BigInteger($this->_string_shift($public, $length), -256);
+
+ $privateLength = trim(preg_replace('#Private-Lines: (\d+)#', '$1', $key[$publicLength + 4]));
+ $private = base64_decode(implode('', array_map('trim', array_slice($key, $publicLength + 5, $privateLength))));
+
+ switch ($encryption) {
+ case 'aes256-cbc':
+ if (!class_exists('Crypt_AES')) {
+ include_once 'Crypt/AES.php';
+ }
+ $symkey = '';
+ $sequence = 0;
+ while (strlen($symkey) < 32) {
+ $temp = pack('Na*', $sequence++, $this->password);
+ $symkey.= pack('H*', sha1($temp));
+ }
+ $symkey = substr($symkey, 0, 32);
+ $crypto = new Crypt_AES();
+ }
+
+ if ($encryption != 'none') {
+ $crypto->setKey($symkey);
+ $crypto->disablePadding();
+ $private = $crypto->decrypt($private);
+ if ($private === false) {
+ return false;
+ }
+ }
+
+ extract(unpack('Nlength', $this->_string_shift($private, 4)));
+ if (strlen($private) < $length) {
+ return false;
+ }
+ $components['privateExponent'] = new Math_BigInteger($this->_string_shift($private, $length), -256);
+ extract(unpack('Nlength', $this->_string_shift($private, 4)));
+ if (strlen($private) < $length) {
+ return false;
+ }
+ $components['primes'] = array(1 => new Math_BigInteger($this->_string_shift($private, $length), -256));
+ extract(unpack('Nlength', $this->_string_shift($private, 4)));
+ if (strlen($private) < $length) {
+ return false;
+ }
+ $components['primes'][] = new Math_BigInteger($this->_string_shift($private, $length), -256);
+
+ $temp = $components['primes'][1]->subtract($this->one);
+ $components['exponents'] = array(1 => $components['publicExponent']->modInverse($temp));
+ $temp = $components['primes'][2]->subtract($this->one);
+ $components['exponents'][] = $components['publicExponent']->modInverse($temp);
+
+ extract(unpack('Nlength', $this->_string_shift($private, 4)));
+ if (strlen($private) < $length) {
+ return false;
+ }
+ $components['coefficients'] = array(2 => new Math_BigInteger($this->_string_shift($private, $length), -256));
+
+ return $components;
+ }
+ }
+
+ /**
+ * Returns the key size
+ *
+ * More specifically, this returns the size of the modulo in bits.
+ *
+ * @access public
+ * @return Integer
+ */
+ function getSize()
+ {
+ return !isset($this->modulus) ? 0 : strlen($this->modulus->toBits());
+ }
+
+ /**
+ * Start Element Handler
+ *
+ * Called by xml_set_element_handler()
+ *
+ * @access private
+ * @param Resource $parser
+ * @param String $name
+ * @param Array $attribs
+ */
+ function _start_element_handler($parser, $name, $attribs)
+ {
+ //$name = strtoupper($name);
+ switch ($name) {
+ case 'MODULUS':
+ $this->current = &$this->components['modulus'];
+ break;
+ case 'EXPONENT':
+ $this->current = &$this->components['publicExponent'];
+ break;
+ case 'P':
+ $this->current = &$this->components['primes'][1];
+ break;
+ case 'Q':
+ $this->current = &$this->components['primes'][2];
+ break;
+ case 'DP':
+ $this->current = &$this->components['exponents'][1];
+ break;
+ case 'DQ':
+ $this->current = &$this->components['exponents'][2];
+ break;
+ case 'INVERSEQ':
+ $this->current = &$this->components['coefficients'][2];
+ break;
+ case 'D':
+ $this->current = &$this->components['privateExponent'];
+ }
+ $this->current = '';
+ }
+
+ /**
+ * Stop Element Handler
+ *
+ * Called by xml_set_element_handler()
+ *
+ * @access private
+ * @param Resource $parser
+ * @param String $name
+ */
+ function _stop_element_handler($parser, $name)
+ {
+ if (isset($this->current)) {
+ $this->current = new Math_BigInteger(base64_decode($this->current), 256);
+ unset($this->current);
+ }
+ }
+
+ /**
+ * Data Handler
+ *
+ * Called by xml_set_character_data_handler()
+ *
+ * @access private
+ * @param Resource $parser
+ * @param String $data
+ */
+ function _data_handler($parser, $data)
+ {
+ if (!isset($this->current) || is_object($this->current)) {
+ return;
+ }
+ $this->current.= trim($data);
+ }
+
+ /**
+ * Loads a public or private key
+ *
+ * Returns true on success and false on failure (ie. an incorrect password was provided or the key was malformed)
+ *
+ * @access public
+ * @param String $key
+ * @param Integer $type optional
+ */
+ function loadKey($key, $type = false)
+ {
+ if (is_object($key) && strtolower(get_class($key)) == 'crypt_rsa') {
+ $this->privateKeyFormat = $key->privateKeyFormat;
+ $this->publicKeyFormat = $key->publicKeyFormat;
+ $this->k = $key->k;
+ $this->hLen = $key->hLen;
+ $this->sLen = $key->sLen;
+ $this->mgfHLen = $key->mgfHLen;
+ $this->encryptionMode = $key->encryptionMode;
+ $this->signatureMode = $key->signatureMode;
+ $this->password = $key->password;
+ $this->configFile = $key->configFile;
+ $this->comment = $key->comment;
+
+ if (is_object($key->hash)) {
+ $this->hash = new Crypt_Hash($key->hash->getHash());
+ }
+ if (is_object($key->mgfHash)) {
+ $this->mgfHash = new Crypt_Hash($key->mgfHash->getHash());
+ }
+
+ if (is_object($key->modulus)) {
+ $this->modulus = $key->modulus->copy();
+ }
+ if (is_object($key->exponent)) {
+ $this->exponent = $key->exponent->copy();
+ }
+ if (is_object($key->publicExponent)) {
+ $this->publicExponent = $key->publicExponent->copy();
+ }
+
+ $this->primes = array();
+ $this->exponents = array();
+ $this->coefficients = array();
+
+ foreach ($this->primes as $prime) {
+ $this->primes[] = $prime->copy();
+ }
+ foreach ($this->exponents as $exponent) {
+ $this->exponents[] = $exponent->copy();
+ }
+ foreach ($this->coefficients as $coefficient) {
+ $this->coefficients[] = $coefficient->copy();
+ }
+
+ return true;
+ }
+
+ if ($type === false) {
+ $types = array(
+ CRYPT_RSA_PUBLIC_FORMAT_RAW,
+ CRYPT_RSA_PRIVATE_FORMAT_PKCS1,
+ CRYPT_RSA_PRIVATE_FORMAT_XML,
+ CRYPT_RSA_PRIVATE_FORMAT_PUTTY,
+ CRYPT_RSA_PUBLIC_FORMAT_OPENSSH
+ );
+ foreach ($types as $type) {
+ $components = $this->_parseKey($key, $type);
+ if ($components !== false) {
+ break;
+ }
+ }
+
+ } else {
+ $components = $this->_parseKey($key, $type);
+ }
+
+ if ($components === false) {
+ return false;
+ }
+
+ if (isset($components['comment']) && $components['comment'] !== false) {
+ $this->comment = $components['comment'];
+ }
+ $this->modulus = $components['modulus'];
+ $this->k = strlen($this->modulus->toBytes());
+ $this->exponent = isset($components['privateExponent']) ? $components['privateExponent'] : $components['publicExponent'];
+ if (isset($components['primes'])) {
+ $this->primes = $components['primes'];
+ $this->exponents = $components['exponents'];
+ $this->coefficients = $components['coefficients'];
+ $this->publicExponent = $components['publicExponent'];
+ } else {
+ $this->primes = array();
+ $this->exponents = array();
+ $this->coefficients = array();
+ $this->publicExponent = false;
+ }
+
+ switch ($type) {
+ case CRYPT_RSA_PUBLIC_FORMAT_OPENSSH:
+ case CRYPT_RSA_PUBLIC_FORMAT_RAW:
+ $this->setPublicKey();
+ break;
+ case CRYPT_RSA_PRIVATE_FORMAT_PKCS1:
+ switch (true) {
+ case strpos($key, '-BEGIN PUBLIC KEY-') !== false:
+ case strpos($key, '-BEGIN RSA PUBLIC KEY-') !== false:
+ $this->setPublicKey();
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Sets the password
+ *
+ * Private keys can be encrypted with a password. To unset the password, pass in the empty string or false.
+ * Or rather, pass in $password such that empty($password) && !is_string($password) is true.
+ *
+ * @see createKey()
+ * @see loadKey()
+ * @access public
+ * @param String $password
+ */
+ function setPassword($password = false)
+ {
+ $this->password = $password;
+ }
+
+ /**
+ * Defines the public key
+ *
+ * Some private key formats define the public exponent and some don't. Those that don't define it are problematic when
+ * used in certain contexts. For example, in SSH-2, RSA authentication works by sending the public key along with a
+ * message signed by the private key to the server. The SSH-2 server looks the public key up in an index of public keys
+ * and if it's present then proceeds to verify the signature. Problem is, if your private key doesn't include the public
+ * exponent this won't work unless you manually add the public exponent. phpseclib tries to guess if the key being used
+ * is the public key but in the event that it guesses incorrectly you might still want to explicitly set the key as being
+ * public.
+ *
+ * Do note that when a new key is loaded the index will be cleared.
+ *
+ * Returns true on success, false on failure
+ *
+ * @see getPublicKey()
+ * @access public
+ * @param String $key optional
+ * @param Integer $type optional
+ * @return Boolean
+ */
+ function setPublicKey($key = false, $type = false)
+ {
+ // if a public key has already been loaded return false
+ if (!empty($this->publicExponent)) {
+ return false;
+ }
+
+ if ($key === false && !empty($this->modulus)) {
+ $this->publicExponent = $this->exponent;
+ return true;
+ }
+
+ if ($type === false) {
+ $types = array(
+ CRYPT_RSA_PUBLIC_FORMAT_RAW,
+ CRYPT_RSA_PUBLIC_FORMAT_PKCS1,
+ CRYPT_RSA_PUBLIC_FORMAT_XML,
+ CRYPT_RSA_PUBLIC_FORMAT_OPENSSH
+ );
+ foreach ($types as $type) {
+ $components = $this->_parseKey($key, $type);
+ if ($components !== false) {
+ break;
+ }
+ }
+ } else {
+ $components = $this->_parseKey($key, $type);
+ }
+
+ if ($components === false) {
+ return false;
+ }
+
+ if (empty($this->modulus) || !$this->modulus->equals($components['modulus'])) {
+ $this->modulus = $components['modulus'];
+ $this->exponent = $this->publicExponent = $components['publicExponent'];
+ return true;
+ }
+
+ $this->publicExponent = $components['publicExponent'];
+
+ return true;
+ }
+
+ /**
+ * Defines the private key
+ *
+ * If phpseclib guessed a private key was a public key and loaded it as such it might be desirable to force
+ * phpseclib to treat the key as a private key. This function will do that.
+ *
+ * Do note that when a new key is loaded the index will be cleared.
+ *
+ * Returns true on success, false on failure
+ *
+ * @see getPublicKey()
+ * @access public
+ * @param String $key optional
+ * @param Integer $type optional
+ * @return Boolean
+ */
+ function setPrivateKey($key = false, $type = false)
+ {
+ if ($key === false && !empty($this->publicExponent)) {
+ unset($this->publicExponent);
+ return true;
+ }
+
+ $rsa = new Crypt_RSA();
+ if (!$rsa->loadKey($key, $type)) {
+ return false;
+ }
+ unset($rsa->publicExponent);
+
+ // don't overwrite the old key if the new key is invalid
+ $this->loadKey($rsa);
+ return true;
+ }
+
+ /**
+ * Returns the public key
+ *
+ * The public key is only returned under two circumstances - if the private key had the public key embedded within it
+ * or if the public key was set via setPublicKey(). If the currently loaded key is supposed to be the public key this
+ * function won't return it since this library, for the most part, doesn't distinguish between public and private keys.
+ *
+ * @see getPublicKey()
+ * @access public
+ * @param String $key
+ * @param Integer $type optional
+ */
+ function getPublicKey($type = CRYPT_RSA_PUBLIC_FORMAT_PKCS8)
+ {
+ if (empty($this->modulus) || empty($this->publicExponent)) {
+ return false;
+ }
+
+ $oldFormat = $this->publicKeyFormat;
+ $this->publicKeyFormat = $type;
+ $temp = $this->_convertPublicKey($this->modulus, $this->publicExponent);
+ $this->publicKeyFormat = $oldFormat;
+ return $temp;
+ }
+
+ /**
+ * Returns the private key
+ *
+ * The private key is only returned if the currently loaded key contains the constituent prime numbers.
+ *
+ * @see getPublicKey()
+ * @access public
+ * @param String $key
+ * @param Integer $type optional
+ */
+ function getPrivateKey($type = CRYPT_RSA_PUBLIC_FORMAT_PKCS1)
+ {
+ if (empty($this->primes)) {
+ return false;
+ }
+
+ $oldFormat = $this->privateKeyFormat;
+ $this->privateKeyFormat = $type;
+ $temp = $this->_convertPrivateKey($this->modulus, $this->publicExponent, $this->exponent, $this->primes, $this->exponents, $this->coefficients);
+ $this->privateKeyFormat = $oldFormat;
+ return $temp;
+ }
+
+ /**
+ * Returns a minimalistic private key
+ *
+ * Returns the private key without the prime number constituants. Structurally identical to a public key that
+ * hasn't been set as the public key
+ *
+ * @see getPrivateKey()
+ * @access private
+ * @param String $key
+ * @param Integer $type optional
+ */
+ function _getPrivatePublicKey($mode = CRYPT_RSA_PUBLIC_FORMAT_PKCS8)
+ {
+ if (empty($this->modulus) || empty($this->exponent)) {
+ return false;
+ }
+
+ $oldFormat = $this->publicKeyFormat;
+ $this->publicKeyFormat = $mode;
+ $temp = $this->_convertPublicKey($this->modulus, $this->exponent);
+ $this->publicKeyFormat = $oldFormat;
+ return $temp;
+ }
+
+ /**
+ * __toString() magic method
+ *
+ * @access public
+ */
+ function __toString()
+ {
+ $key = $this->getPrivateKey($this->privateKeyFormat);
+ if ($key !== false) {
+ return $key;
+ }
+ $key = $this->_getPrivatePublicKey($this->publicKeyFormat);
+ return $key !== false ? $key : '';
+ }
+
+ /**
+ * __clone() magic method
+ *
+ * @access public
+ */
+ function __clone()
+ {
+ $key = new Crypt_RSA();
+ $key->loadKey($this);
+ return $key;
+ }
+
+ /**
+ * Generates the smallest and largest numbers requiring $bits bits
+ *
+ * @access private
+ * @param Integer $bits
+ * @return Array
+ */
+ function _generateMinMax($bits)
+ {
+ $bytes = $bits >> 3;
+ $min = str_repeat(chr(0), $bytes);
+ $max = str_repeat(chr(0xFF), $bytes);
+ $msb = $bits & 7;
+ if ($msb) {
+ $min = chr(1 << ($msb - 1)) . $min;
+ $max = chr((1 << $msb) - 1) . $max;
+ } else {
+ $min[0] = chr(0x80);
+ }
+
+ return array(
+ 'min' => new Math_BigInteger($min, 256),
+ 'max' => new Math_BigInteger($max, 256)
+ );
+ }
+
+ /**
+ * DER-decode the length
+ *
+ * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4. See
+ * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information.
+ *
+ * @access private
+ * @param String $string
+ * @return Integer
+ */
+ function _decodeLength(&$string)
+ {
+ $length = ord($this->_string_shift($string));
+ if ( $length & 0x80 ) { // definite length, long form
+ $length&= 0x7F;
+ $temp = $this->_string_shift($string, $length);
+ list(, $length) = unpack('N', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4));
+ }
+ return $length;
+ }
+
+ /**
+ * DER-encode the length
+ *
+ * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4. See
+ * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information.
+ *
+ * @access private
+ * @param Integer $length
+ * @return String
+ */
+ function _encodeLength($length)
+ {
+ if ($length <= 0x7F) {
+ return chr($length);
+ }
+
+ $temp = ltrim(pack('N', $length), chr(0));
+ return pack('Ca*', 0x80 | strlen($temp), $temp);
+ }
+
+ /**
+ * String Shift
+ *
+ * Inspired by array_shift
+ *
+ * @param String $string
+ * @param optional Integer $index
+ * @return String
+ * @access private
+ */
+ function _string_shift(&$string, $index = 1)
+ {
+ $substr = substr($string, 0, $index);
+ $string = substr($string, $index);
+ return $substr;
+ }
+
+ /**
+ * Determines the private key format
+ *
+ * @see createKey()
+ * @access public
+ * @param Integer $format
+ */
+ function setPrivateKeyFormat($format)
+ {
+ $this->privateKeyFormat = $format;
+ }
+
+ /**
+ * Determines the public key format
+ *
+ * @see createKey()
+ * @access public
+ * @param Integer $format
+ */
+ function setPublicKeyFormat($format)
+ {
+ $this->publicKeyFormat = $format;
+ }
+
+ /**
+ * Determines which hashing function should be used
+ *
+ * Used with signature production / verification and (if the encryption mode is CRYPT_RSA_ENCRYPTION_OAEP) encryption and
+ * decryption. If $hash isn't supported, sha1 is used.
+ *
+ * @access public
+ * @param String $hash
+ */
+ function setHash($hash)
+ {
+ // Crypt_Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example.
+ switch ($hash) {
+ case 'md2':
+ case 'md5':
+ case 'sha1':
+ case 'sha256':
+ case 'sha384':
+ case 'sha512':
+ $this->hash = new Crypt_Hash($hash);
+ $this->hashName = $hash;
+ break;
+ default:
+ $this->hash = new Crypt_Hash('sha1');
+ $this->hashName = 'sha1';
+ }
+ $this->hLen = $this->hash->getLength();
+ }
+
+ /**
+ * Determines which hashing function should be used for the mask generation function
+ *
+ * The mask generation function is used by CRYPT_RSA_ENCRYPTION_OAEP and CRYPT_RSA_SIGNATURE_PSS and although it's
+ * best if Hash and MGFHash are set to the same thing this is not a requirement.
+ *
+ * @access public
+ * @param String $hash
+ */
+ function setMGFHash($hash)
+ {
+ // Crypt_Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example.
+ switch ($hash) {
+ case 'md2':
+ case 'md5':
+ case 'sha1':
+ case 'sha256':
+ case 'sha384':
+ case 'sha512':
+ $this->mgfHash = new Crypt_Hash($hash);
+ break;
+ default:
+ $this->mgfHash = new Crypt_Hash('sha1');
+ }
+ $this->mgfHLen = $this->mgfHash->getLength();
+ }
+
+ /**
+ * Determines the salt length
+ *
+ * To quote from {@link http://tools.ietf.org/html/rfc3447#page-38 RFC3447#page-38}:
+ *
+ * Typical salt lengths in octets are hLen (the length of the output
+ * of the hash function Hash) and 0.
+ *
+ * @access public
+ * @param Integer $format
+ */
+ function setSaltLength($sLen)
+ {
+ $this->sLen = $sLen;
+ }
+
+ /**
+ * Integer-to-Octet-String primitive
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-4.1 RFC3447#section-4.1}.
+ *
+ * @access private
+ * @param Math_BigInteger $x
+ * @param Integer $xLen
+ * @return String
+ */
+ function _i2osp($x, $xLen)
+ {
+ $x = $x->toBytes();
+ if (strlen($x) > $xLen) {
+ user_error('Integer too large');
+ return false;
+ }
+ return str_pad($x, $xLen, chr(0), STR_PAD_LEFT);
+ }
+
+ /**
+ * Octet-String-to-Integer primitive
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-4.2 RFC3447#section-4.2}.
+ *
+ * @access private
+ * @param String $x
+ * @return Math_BigInteger
+ */
+ function _os2ip($x)
+ {
+ return new Math_BigInteger($x, 256);
+ }
+
+ /**
+ * Exponentiate with or without Chinese Remainder Theorem
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.1 RFC3447#section-5.1.2}.
+ *
+ * @access private
+ * @param Math_BigInteger $x
+ * @return Math_BigInteger
+ */
+ function _exponentiate($x)
+ {
+ if (empty($this->primes) || empty($this->coefficients) || empty($this->exponents)) {
+ return $x->modPow($this->exponent, $this->modulus);
+ }
+
+ $num_primes = count($this->primes);
+
+ if (defined('CRYPT_RSA_DISABLE_BLINDING')) {
+ $m_i = array(
+ 1 => $x->modPow($this->exponents[1], $this->primes[1]),
+ 2 => $x->modPow($this->exponents[2], $this->primes[2])
+ );
+ $h = $m_i[1]->subtract($m_i[2]);
+ $h = $h->multiply($this->coefficients[2]);
+ list(, $h) = $h->divide($this->primes[1]);
+ $m = $m_i[2]->add($h->multiply($this->primes[2]));
+
+ $r = $this->primes[1];
+ for ($i = 3; $i <= $num_primes; $i++) {
+ $m_i = $x->modPow($this->exponents[$i], $this->primes[$i]);
+
+ $r = $r->multiply($this->primes[$i - 1]);
+
+ $h = $m_i->subtract($m);
+ $h = $h->multiply($this->coefficients[$i]);
+ list(, $h) = $h->divide($this->primes[$i]);
+
+ $m = $m->add($r->multiply($h));
+ }
+ } else {
+ $smallest = $this->primes[1];
+ for ($i = 2; $i <= $num_primes; $i++) {
+ if ($smallest->compare($this->primes[$i]) > 0) {
+ $smallest = $this->primes[$i];
+ }
+ }
+
+ $one = new Math_BigInteger(1);
+
+ $r = $one->random($one, $smallest->subtract($one));
+
+ $m_i = array(
+ 1 => $this->_blind($x, $r, 1),
+ 2 => $this->_blind($x, $r, 2)
+ );
+ $h = $m_i[1]->subtract($m_i[2]);
+ $h = $h->multiply($this->coefficients[2]);
+ list(, $h) = $h->divide($this->primes[1]);
+ $m = $m_i[2]->add($h->multiply($this->primes[2]));
+
+ $r = $this->primes[1];
+ for ($i = 3; $i <= $num_primes; $i++) {
+ $m_i = $this->_blind($x, $r, $i);
+
+ $r = $r->multiply($this->primes[$i - 1]);
+
+ $h = $m_i->subtract($m);
+ $h = $h->multiply($this->coefficients[$i]);
+ list(, $h) = $h->divide($this->primes[$i]);
+
+ $m = $m->add($r->multiply($h));
+ }
+ }
+
+ return $m;
+ }
+
+ /**
+ * Performs RSA Blinding
+ *
+ * Protects against timing attacks by employing RSA Blinding.
+ * Returns $x->modPow($this->exponents[$i], $this->primes[$i])
+ *
+ * @access private
+ * @param Math_BigInteger $x
+ * @param Math_BigInteger $r
+ * @param Integer $i
+ * @return Math_BigInteger
+ */
+ function _blind($x, $r, $i)
+ {
+ $x = $x->multiply($r->modPow($this->publicExponent, $this->primes[$i]));
+ $x = $x->modPow($this->exponents[$i], $this->primes[$i]);
+
+ $r = $r->modInverse($this->primes[$i]);
+ $x = $x->multiply($r);
+ list(, $x) = $x->divide($this->primes[$i]);
+
+ return $x;
+ }
+
+ /**
+ * Performs blinded RSA equality testing
+ *
+ * Protects against a particular type of timing attack described.
+ *
+ * See {@link http://codahale.com/a-lesson-in-timing-attacks/ A Lesson In Timing Attacks (or, Don't use MessageDigest.isEquals)}
+ *
+ * Thanks for the heads up singpolyma!
+ *
+ * @access private
+ * @param String $x
+ * @param String $y
+ * @return Boolean
+ */
+ function _equals($x, $y)
+ {
+ if (strlen($x) != strlen($y)) {
+ return false;
+ }
+
+ $result = 0;
+ for ($i = 0; $i < strlen($x); $i++) {
+ $result |= ord($x[$i]) ^ ord($y[$i]);
+ }
+
+ return $result == 0;
+ }
+
+ /**
+ * RSAEP
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.1 RFC3447#section-5.1.1}.
+ *
+ * @access private
+ * @param Math_BigInteger $m
+ * @return Math_BigInteger
+ */
+ function _rsaep($m)
+ {
+ if ($m->compare($this->zero) < 0 || $m->compare($this->modulus) > 0) {
+ user_error('Message representative out of range');
+ return false;
+ }
+ return $this->_exponentiate($m);
+ }
+
+ /**
+ * RSADP
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.2 RFC3447#section-5.1.2}.
+ *
+ * @access private
+ * @param Math_BigInteger $c
+ * @return Math_BigInteger
+ */
+ function _rsadp($c)
+ {
+ if ($c->compare($this->zero) < 0 || $c->compare($this->modulus) > 0) {
+ user_error('Ciphertext representative out of range');
+ return false;
+ }
+ return $this->_exponentiate($c);
+ }
+
+ /**
+ * RSASP1
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.1 RFC3447#section-5.2.1}.
+ *
+ * @access private
+ * @param Math_BigInteger $m
+ * @return Math_BigInteger
+ */
+ function _rsasp1($m)
+ {
+ if ($m->compare($this->zero) < 0 || $m->compare($this->modulus) > 0) {
+ user_error('Message representative out of range');
+ return false;
+ }
+ return $this->_exponentiate($m);
+ }
+
+ /**
+ * RSAVP1
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.2 RFC3447#section-5.2.2}.
+ *
+ * @access private
+ * @param Math_BigInteger $s
+ * @return Math_BigInteger
+ */
+ function _rsavp1($s)
+ {
+ if ($s->compare($this->zero) < 0 || $s->compare($this->modulus) > 0) {
+ user_error('Signature representative out of range');
+ return false;
+ }
+ return $this->_exponentiate($s);
+ }
+
+ /**
+ * MGF1
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#appendix-B.2.1 RFC3447#appendix-B.2.1}.
+ *
+ * @access private
+ * @param String $mgfSeed
+ * @param Integer $mgfLen
+ * @return String
+ */
+ function _mgf1($mgfSeed, $maskLen)
+ {
+ // if $maskLen would yield strings larger than 4GB, PKCS#1 suggests a "Mask too long" error be output.
+
+ $t = '';
+ $count = ceil($maskLen / $this->mgfHLen);
+ for ($i = 0; $i < $count; $i++) {
+ $c = pack('N', $i);
+ $t.= $this->mgfHash->hash($mgfSeed . $c);
+ }
+
+ return substr($t, 0, $maskLen);
+ }
+
+ /**
+ * RSAES-OAEP-ENCRYPT
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-7.1.1 RFC3447#section-7.1.1} and
+ * {http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding OAES}.
+ *
+ * @access private
+ * @param String $m
+ * @param String $l
+ * @return String
+ */
+ function _rsaes_oaep_encrypt($m, $l = '')
+ {
+ $mLen = strlen($m);
+
+ // Length checking
+
+ // if $l is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error
+ // be output.
+
+ if ($mLen > $this->k - 2 * $this->hLen - 2) {
+ user_error('Message too long');
+ return false;
+ }
+
+ // EME-OAEP encoding
+
+ $lHash = $this->hash->hash($l);
+ $ps = str_repeat(chr(0), $this->k - $mLen - 2 * $this->hLen - 2);
+ $db = $lHash . $ps . chr(1) . $m;
+ $seed = crypt_random_string($this->hLen);
+ $dbMask = $this->_mgf1($seed, $this->k - $this->hLen - 1);
+ $maskedDB = $db ^ $dbMask;
+ $seedMask = $this->_mgf1($maskedDB, $this->hLen);
+ $maskedSeed = $seed ^ $seedMask;
+ $em = chr(0) . $maskedSeed . $maskedDB;
+
+ // RSA encryption
+
+ $m = $this->_os2ip($em);
+ $c = $this->_rsaep($m);
+ $c = $this->_i2osp($c, $this->k);
+
+ // Output the ciphertext C
+
+ return $c;
+ }
+
+ /**
+ * RSAES-OAEP-DECRYPT
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-7.1.2 RFC3447#section-7.1.2}. The fact that the error
+ * messages aren't distinguishable from one another hinders debugging, but, to quote from RFC3447#section-7.1.2:
+ *
+ * Note. Care must be taken to ensure that an opponent cannot
+ * distinguish the different error conditions in Step 3.g, whether by
+ * error message or timing, or, more generally, learn partial
+ * information about the encoded message EM. Otherwise an opponent may
+ * be able to obtain useful information about the decryption of the
+ * ciphertext C, leading to a chosen-ciphertext attack such as the one
+ * observed by Manger [36].
+ *
+ * As for $l... to quote from {@link http://tools.ietf.org/html/rfc3447#page-17 RFC3447#page-17}:
+ *
+ * Both the encryption and the decryption operations of RSAES-OAEP take
+ * the value of a label L as input. In this version of PKCS #1, L is
+ * the empty string; other uses of the label are outside the scope of
+ * this document.
+ *
+ * @access private
+ * @param String $c
+ * @param String $l
+ * @return String
+ */
+ function _rsaes_oaep_decrypt($c, $l = '')
+ {
+ // Length checking
+
+ // if $l is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error
+ // be output.
+
+ if (strlen($c) != $this->k || $this->k < 2 * $this->hLen + 2) {
+ user_error('Decryption error');
+ return false;
+ }
+
+ // RSA decryption
+
+ $c = $this->_os2ip($c);
+ $m = $this->_rsadp($c);
+ if ($m === false) {
+ user_error('Decryption error');
+ return false;
+ }
+ $em = $this->_i2osp($m, $this->k);
+
+ // EME-OAEP decoding
+
+ $lHash = $this->hash->hash($l);
+ $y = ord($em[0]);
+ $maskedSeed = substr($em, 1, $this->hLen);
+ $maskedDB = substr($em, $this->hLen + 1);
+ $seedMask = $this->_mgf1($maskedDB, $this->hLen);
+ $seed = $maskedSeed ^ $seedMask;
+ $dbMask = $this->_mgf1($seed, $this->k - $this->hLen - 1);
+ $db = $maskedDB ^ $dbMask;
+ $lHash2 = substr($db, 0, $this->hLen);
+ $m = substr($db, $this->hLen);
+ if ($lHash != $lHash2) {
+ user_error('Decryption error');
+ return false;
+ }
+ $m = ltrim($m, chr(0));
+ if (ord($m[0]) != 1) {
+ user_error('Decryption error');
+ return false;
+ }
+
+ // Output the message M
+
+ return substr($m, 1);
+ }
+
+ /**
+ * RSAES-PKCS1-V1_5-ENCRYPT
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-7.2.1 RFC3447#section-7.2.1}.
+ *
+ * @access private
+ * @param String $m
+ * @return String
+ */
+ function _rsaes_pkcs1_v1_5_encrypt($m)
+ {
+ $mLen = strlen($m);
+
+ // Length checking
+
+ if ($mLen > $this->k - 11) {
+ user_error('Message too long');
+ return false;
+ }
+
+ // EME-PKCS1-v1_5 encoding
+
+ $psLen = $this->k - $mLen - 3;
+ $ps = '';
+ while (strlen($ps) != $psLen) {
+ $temp = crypt_random_string($psLen - strlen($ps));
+ $temp = str_replace("\x00", '', $temp);
+ $ps.= $temp;
+ }
+ $type = 2;
+ // see the comments of _rsaes_pkcs1_v1_5_decrypt() to understand why this is being done
+ if (defined('CRYPT_RSA_PKCS15_COMPAT') && (!isset($this->publicExponent) || $this->exponent !== $this->publicExponent)) {
+ $type = 1;
+ // "The padding string PS shall consist of k-3-||D|| octets. ... for block type 01, they shall have value FF"
+ $ps = str_repeat("\xFF", $psLen);
+ }
+ $em = chr(0) . chr($type) . $ps . chr(0) . $m;
+
+ // RSA encryption
+ $m = $this->_os2ip($em);
+ $c = $this->_rsaep($m);
+ $c = $this->_i2osp($c, $this->k);
+
+ // Output the ciphertext C
+
+ return $c;
+ }
+
+ /**
+ * RSAES-PKCS1-V1_5-DECRYPT
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-7.2.2 RFC3447#section-7.2.2}.
+ *
+ * For compatibility purposes, this function departs slightly from the description given in RFC3447.
+ * The reason being that RFC2313#section-8.1 (PKCS#1 v1.5) states that ciphertext's encrypted by the
+ * private key should have the second byte set to either 0 or 1 and that ciphertext's encrypted by the
+ * public key should have the second byte set to 2. In RFC3447 (PKCS#1 v2.1), the second byte is supposed
+ * to be 2 regardless of which key is used. For compatibility purposes, we'll just check to make sure the
+ * second byte is 2 or less. If it is, we'll accept the decrypted string as valid.
+ *
+ * As a consequence of this, a private key encrypted ciphertext produced with Crypt_RSA may not decrypt
+ * with a strictly PKCS#1 v1.5 compliant RSA implementation. Public key encrypted ciphertext's should but
+ * not private key encrypted ciphertext's.
+ *
+ * @access private
+ * @param String $c
+ * @return String
+ */
+ function _rsaes_pkcs1_v1_5_decrypt($c)
+ {
+ // Length checking
+
+ if (strlen($c) != $this->k) { // or if k < 11
+ user_error('Decryption error');
+ return false;
+ }
+
+ // RSA decryption
+
+ $c = $this->_os2ip($c);
+ $m = $this->_rsadp($c);
+
+ if ($m === false) {
+ user_error('Decryption error');
+ return false;
+ }
+ $em = $this->_i2osp($m, $this->k);
+
+ // EME-PKCS1-v1_5 decoding
+
+ if (ord($em[0]) != 0 || ord($em[1]) > 2) {
+ user_error('Decryption error');
+ return false;
+ }
+
+ $ps = substr($em, 2, strpos($em, chr(0), 2) - 2);
+ $m = substr($em, strlen($ps) + 3);
+
+ if (strlen($ps) < 8) {
+ user_error('Decryption error');
+ return false;
+ }
+
+ // Output M
+
+ return $m;
+ }
+
+ /**
+ * EMSA-PSS-ENCODE
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.1 RFC3447#section-9.1.1}.
+ *
+ * @access private
+ * @param String $m
+ * @param Integer $emBits
+ */
+ function _emsa_pss_encode($m, $emBits)
+ {
+ // if $m is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error
+ // be output.
+
+ $emLen = ($emBits + 1) >> 3; // ie. ceil($emBits / 8)
+ $sLen = $this->sLen == false ? $this->hLen : $this->sLen;
+
+ $mHash = $this->hash->hash($m);
+ if ($emLen < $this->hLen + $sLen + 2) {
+ user_error('Encoding error');
+ return false;
+ }
+
+ $salt = crypt_random_string($sLen);
+ $m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt;
+ $h = $this->hash->hash($m2);
+ $ps = str_repeat(chr(0), $emLen - $sLen - $this->hLen - 2);
+ $db = $ps . chr(1) . $salt;
+ $dbMask = $this->_mgf1($h, $emLen - $this->hLen - 1);
+ $maskedDB = $db ^ $dbMask;
+ $maskedDB[0] = ~chr(0xFF << ($emBits & 7)) & $maskedDB[0];
+ $em = $maskedDB . $h . chr(0xBC);
+
+ return $em;
+ }
+
+ /**
+ * EMSA-PSS-VERIFY
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.2 RFC3447#section-9.1.2}.
+ *
+ * @access private
+ * @param String $m
+ * @param String $em
+ * @param Integer $emBits
+ * @return String
+ */
+ function _emsa_pss_verify($m, $em, $emBits)
+ {
+ // if $m is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error
+ // be output.
+
+ $emLen = ($emBits + 1) >> 3; // ie. ceil($emBits / 8);
+ $sLen = $this->sLen == false ? $this->hLen : $this->sLen;
+
+ $mHash = $this->hash->hash($m);
+ if ($emLen < $this->hLen + $sLen + 2) {
+ return false;
+ }
+
+ if ($em[strlen($em) - 1] != chr(0xBC)) {
+ return false;
+ }
+
+ $maskedDB = substr($em, 0, -$this->hLen - 1);
+ $h = substr($em, -$this->hLen - 1, $this->hLen);
+ $temp = chr(0xFF << ($emBits & 7));
+ if ((~$maskedDB[0] & $temp) != $temp) {
+ return false;
+ }
+ $dbMask = $this->_mgf1($h, $emLen - $this->hLen - 1);
+ $db = $maskedDB ^ $dbMask;
+ $db[0] = ~chr(0xFF << ($emBits & 7)) & $db[0];
+ $temp = $emLen - $this->hLen - $sLen - 2;
+ if (substr($db, 0, $temp) != str_repeat(chr(0), $temp) || ord($db[$temp]) != 1) {
+ return false;
+ }
+ $salt = substr($db, $temp + 1); // should be $sLen long
+ $m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt;
+ $h2 = $this->hash->hash($m2);
+ return $this->_equals($h, $h2);
+ }
+
+ /**
+ * RSASSA-PSS-SIGN
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.1 RFC3447#section-8.1.1}.
+ *
+ * @access private
+ * @param String $m
+ * @return String
+ */
+ function _rsassa_pss_sign($m)
+ {
+ // EMSA-PSS encoding
+
+ $em = $this->_emsa_pss_encode($m, 8 * $this->k - 1);
+
+ // RSA signature
+
+ $m = $this->_os2ip($em);
+ $s = $this->_rsasp1($m);
+ $s = $this->_i2osp($s, $this->k);
+
+ // Output the signature S
+
+ return $s;
+ }
+
+ /**
+ * RSASSA-PSS-VERIFY
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.2 RFC3447#section-8.1.2}.
+ *
+ * @access private
+ * @param String $m
+ * @param String $s
+ * @return String
+ */
+ function _rsassa_pss_verify($m, $s)
+ {
+ // Length checking
+
+ if (strlen($s) != $this->k) {
+ user_error('Invalid signature');
+ return false;
+ }
+
+ // RSA verification
+
+ $modBits = 8 * $this->k;
+
+ $s2 = $this->_os2ip($s);
+ $m2 = $this->_rsavp1($s2);
+ if ($m2 === false) {
+ user_error('Invalid signature');
+ return false;
+ }
+ $em = $this->_i2osp($m2, $modBits >> 3);
+ if ($em === false) {
+ user_error('Invalid signature');
+ return false;
+ }
+
+ // EMSA-PSS verification
+
+ return $this->_emsa_pss_verify($m, $em, $modBits - 1);
+ }
+
+ /**
+ * EMSA-PKCS1-V1_5-ENCODE
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-9.2 RFC3447#section-9.2}.
+ *
+ * @access private
+ * @param String $m
+ * @param Integer $emLen
+ * @return String
+ */
+ function _emsa_pkcs1_v1_5_encode($m, $emLen)
+ {
+ $h = $this->hash->hash($m);
+ if ($h === false) {
+ return false;
+ }
+
+ // see http://tools.ietf.org/html/rfc3447#page-43
+ switch ($this->hashName) {
+ case 'md2':
+ $t = pack('H*', '3020300c06082a864886f70d020205000410');
+ break;
+ case 'md5':
+ $t = pack('H*', '3020300c06082a864886f70d020505000410');
+ break;
+ case 'sha1':
+ $t = pack('H*', '3021300906052b0e03021a05000414');
+ break;
+ case 'sha256':
+ $t = pack('H*', '3031300d060960864801650304020105000420');
+ break;
+ case 'sha384':
+ $t = pack('H*', '3041300d060960864801650304020205000430');
+ break;
+ case 'sha512':
+ $t = pack('H*', '3051300d060960864801650304020305000440');
+ }
+ $t.= $h;
+ $tLen = strlen($t);
+
+ if ($emLen < $tLen + 11) {
+ user_error('Intended encoded message length too short');
+ return false;
+ }
+
+ $ps = str_repeat(chr(0xFF), $emLen - $tLen - 3);
+
+ $em = "\0\1$ps\0$t";
+
+ return $em;
+ }
+
+ /**
+ * RSASSA-PKCS1-V1_5-SIGN
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.1 RFC3447#section-8.2.1}.
+ *
+ * @access private
+ * @param String $m
+ * @return String
+ */
+ function _rsassa_pkcs1_v1_5_sign($m)
+ {
+ // EMSA-PKCS1-v1_5 encoding
+
+ $em = $this->_emsa_pkcs1_v1_5_encode($m, $this->k);
+ if ($em === false) {
+ user_error('RSA modulus too short');
+ return false;
+ }
+
+ // RSA signature
+
+ $m = $this->_os2ip($em);
+ $s = $this->_rsasp1($m);
+ $s = $this->_i2osp($s, $this->k);
+
+ // Output the signature S
+
+ return $s;
+ }
+
+ /**
+ * RSASSA-PKCS1-V1_5-VERIFY
+ *
+ * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.2 RFC3447#section-8.2.2}.
+ *
+ * @access private
+ * @param String $m
+ * @return String
+ */
+ function _rsassa_pkcs1_v1_5_verify($m, $s)
+ {
+ // Length checking
+
+ if (strlen($s) != $this->k) {
+ user_error('Invalid signature');
+ return false;
+ }
+
+ // RSA verification
+
+ $s = $this->_os2ip($s);
+ $m2 = $this->_rsavp1($s);
+ if ($m2 === false) {
+ user_error('Invalid signature');
+ return false;
+ }
+ $em = $this->_i2osp($m2, $this->k);
+ if ($em === false) {
+ user_error('Invalid signature');
+ return false;
+ }
+
+ // EMSA-PKCS1-v1_5 encoding
+
+ $em2 = $this->_emsa_pkcs1_v1_5_encode($m, $this->k);
+ if ($em2 === false) {
+ user_error('RSA modulus too short');
+ return false;
+ }
+
+ // Compare
+ return $this->_equals($em, $em2);
+ }
+
+ /**
+ * Set Encryption Mode
+ *
+ * Valid values include CRYPT_RSA_ENCRYPTION_OAEP and CRYPT_RSA_ENCRYPTION_PKCS1.
+ *
+ * @access public
+ * @param Integer $mode
+ */
+ function setEncryptionMode($mode)
+ {
+ $this->encryptionMode = $mode;
+ }
+
+ /**
+ * Set Signature Mode
+ *
+ * Valid values include CRYPT_RSA_SIGNATURE_PSS and CRYPT_RSA_SIGNATURE_PKCS1
+ *
+ * @access public
+ * @param Integer $mode
+ */
+ function setSignatureMode($mode)
+ {
+ $this->signatureMode = $mode;
+ }
+
+ /**
+ * Set public key comment.
+ *
+ * @access public
+ * @param String $comment
+ */
+ function setComment($comment)
+ {
+ $this->comment = $comment;
+ }
+
+ /**
+ * Get public key comment.
+ *
+ * @access public
+ * @return String
+ */
+ function getComment()
+ {
+ return $this->comment;
+ }
+
+ /**
+ * Encryption
+ *
+ * Both CRYPT_RSA_ENCRYPTION_OAEP and CRYPT_RSA_ENCRYPTION_PKCS1 both place limits on how long $plaintext can be.
+ * If $plaintext exceeds those limits it will be broken up so that it does and the resultant ciphertext's will
+ * be concatenated together.
+ *
+ * @see decrypt()
+ * @access public
+ * @param String $plaintext
+ * @return String
+ */
+ function encrypt($plaintext)
+ {
+ switch ($this->encryptionMode) {
+ case CRYPT_RSA_ENCRYPTION_PKCS1:
+ $length = $this->k - 11;
+ if ($length <= 0) {
+ return false;
+ }
+
+ $plaintext = str_split($plaintext, $length);
+ $ciphertext = '';
+ foreach ($plaintext as $m) {
+ $ciphertext.= $this->_rsaes_pkcs1_v1_5_encrypt($m);
+ }
+ return $ciphertext;
+ //case CRYPT_RSA_ENCRYPTION_OAEP:
+ default:
+ $length = $this->k - 2 * $this->hLen - 2;
+ if ($length <= 0) {
+ return false;
+ }
+
+ $plaintext = str_split($plaintext, $length);
+ $ciphertext = '';
+ foreach ($plaintext as $m) {
+ $ciphertext.= $this->_rsaes_oaep_encrypt($m);
+ }
+ return $ciphertext;
+ }
+ }
+
+ /**
+ * Decryption
+ *
+ * @see encrypt()
+ * @access public
+ * @param String $plaintext
+ * @return String
+ */
+ function decrypt($ciphertext)
+ {
+ if ($this->k <= 0) {
+ return false;
+ }
+
+ $ciphertext = str_split($ciphertext, $this->k);
+ $ciphertext[count($ciphertext) - 1] = str_pad($ciphertext[count($ciphertext) - 1], $this->k, chr(0), STR_PAD_LEFT);
+
+ $plaintext = '';
+
+ switch ($this->encryptionMode) {
+ case CRYPT_RSA_ENCRYPTION_PKCS1:
+ $decrypt = '_rsaes_pkcs1_v1_5_decrypt';
+ break;
+ //case CRYPT_RSA_ENCRYPTION_OAEP:
+ default:
+ $decrypt = '_rsaes_oaep_decrypt';
+ }
+
+ foreach ($ciphertext as $c) {
+ $temp = $this->$decrypt($c);
+ if ($temp === false) {
+ return false;
+ }
+ $plaintext.= $temp;
+ }
+
+ return $plaintext;
+ }
+
+ /**
+ * Create a signature
+ *
+ * @see verify()
+ * @access public
+ * @param String $message
+ * @return String
+ */
+ function sign($message)
+ {
+ if (empty($this->modulus) || empty($this->exponent)) {
+ return false;
+ }
+
+ switch ($this->signatureMode) {
+ case CRYPT_RSA_SIGNATURE_PKCS1:
+ return $this->_rsassa_pkcs1_v1_5_sign($message);
+ //case CRYPT_RSA_SIGNATURE_PSS:
+ default:
+ return $this->_rsassa_pss_sign($message);
+ }
+ }
+
+ /**
+ * Verifies a signature
+ *
+ * @see sign()
+ * @access public
+ * @param String $message
+ * @param String $signature
+ * @return Boolean
+ */
+ function verify($message, $signature)
+ {
+ if (empty($this->modulus) || empty($this->exponent)) {
+ return false;
+ }
+
+ switch ($this->signatureMode) {
+ case CRYPT_RSA_SIGNATURE_PKCS1:
+ return $this->_rsassa_pkcs1_v1_5_verify($message, $signature);
+ //case CRYPT_RSA_SIGNATURE_PSS:
+ default:
+ return $this->_rsassa_pss_verify($message, $signature);
+ }
+ }
+
+ /**
+ * Extract raw BER from Base64 encoding
+ *
+ * @access private
+ * @param String $str
+ * @return String
+ */
+ function _extractBER($str)
+ {
+ /* X.509 certs are assumed to be base64 encoded but sometimes they'll have additional things in them
+ * above and beyond the ceritificate.
+ * ie. some may have the following preceding the -----BEGIN CERTIFICATE----- line:
+ *
+ * Bag Attributes
+ * localKeyID: 01 00 00 00
+ * subject=/O=organization/OU=org unit/CN=common name
+ * issuer=/O=organization/CN=common name
+ */
+ $temp = preg_replace('#.*?^-+[^-]+-+#ms', '', $str, 1);
+ // remove the -----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- stuff
+ $temp = preg_replace('#-+[^-]+-+#', '', $temp);
+ // remove new lines
+ $temp = str_replace(array("\r", "\n", ' '), '', $temp);
+ $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? base64_decode($temp) : false;
+ return $temp != false ? $temp : $str;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/Random.php b/libs/phpseclib-0.3.7/Crypt/Random.php new file mode 100644 index 0000000..5a3d28c --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/Random.php @@ -0,0 +1,300 @@ +<?php
+
+/**
+ * Random Number Generator
+ *
+ * The idea behind this function is that it can be easily replaced with your own crypt_random_string()
+ * function. eg. maybe you have a better source of entropy for creating the initial states or whatever.
+ *
+ * PHP versions 4 and 5
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/Random.php';
+ *
+ * echo bin2hex(crypt_random_string(8));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_Random
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+// laravel is a PHP framework that utilizes phpseclib. laravel workbenches may, independently,
+// have phpseclib as a requirement as well. if you're developing such a program you may encounter
+// a "Cannot redeclare crypt_random_string()" error.
+if (!function_exists('crypt_random_string')) {
+ /**
+ * "Is Windows" test
+ *
+ * @access private
+ */
+ define('CRYPT_RANDOM_IS_WINDOWS', strtoupper(substr(PHP_OS, 0, 3)) === 'WIN');
+
+ /**
+ * Generate a random string.
+ *
+ * Although microoptimizations are generally discouraged as they impair readability this function is ripe with
+ * microoptimizations because this function has the potential of being called a huge number of times.
+ * eg. for RSA key generation.
+ *
+ * @param Integer $length
+ * @return String
+ * @access public
+ */
+ function crypt_random_string($length)
+ {
+ if (CRYPT_RANDOM_IS_WINDOWS) {
+ // method 1. prior to PHP 5.3 this would call rand() on windows hence the function_exists('class_alias') call.
+ // ie. class_alias is a function that was introduced in PHP 5.3
+ if (function_exists('mcrypt_create_iv') && function_exists('class_alias')) {
+ return mcrypt_create_iv($length);
+ }
+ // method 2. openssl_random_pseudo_bytes was introduced in PHP 5.3.0 but prior to PHP 5.3.4 there was,
+ // to quote <http://php.net/ChangeLog-5.php#5.3.4>, "possible blocking behavior". as of 5.3.4
+ // openssl_random_pseudo_bytes and mcrypt_create_iv do the exact same thing on Windows. ie. they both
+ // call php_win32_get_random_bytes():
+ //
+ // https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/ext/openssl/openssl.c#L5008
+ // https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/ext/mcrypt/mcrypt.c#L1392
+ //
+ // php_win32_get_random_bytes() is defined thusly:
+ //
+ // https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/win32/winutil.c#L80
+ //
+ // we're calling it, all the same, in the off chance that the mcrypt extension is not available
+ if (function_exists('openssl_random_pseudo_bytes') && version_compare(PHP_VERSION, '5.3.4', '>=')) {
+ return openssl_random_pseudo_bytes($length);
+ }
+ } else {
+ // method 1. the fastest
+ if (function_exists('openssl_random_pseudo_bytes')) {
+ return openssl_random_pseudo_bytes($length);
+ }
+ // method 2
+ static $fp = true;
+ if ($fp === true) {
+ // warning's will be output unles the error suppression operator is used. errors such as
+ // "open_basedir restriction in effect", "Permission denied", "No such file or directory", etc.
+ $fp = @fopen('/dev/urandom', 'rb');
+ }
+ if ($fp !== true && $fp !== false) { // surprisingly faster than !is_bool() or is_resource()
+ return fread($fp, $length);
+ }
+ // method 3. pretty much does the same thing as method 2 per the following url:
+ // https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/ext/mcrypt/mcrypt.c#L1391
+ // surprisingly slower than method 2. maybe that's because mcrypt_create_iv does a bunch of error checking that we're
+ // not doing. regardless, this'll only be called if this PHP script couldn't open /dev/urandom due to open_basedir
+ // restrictions or some such
+ if (function_exists('mcrypt_create_iv')) {
+ return mcrypt_create_iv($length, MCRYPT_DEV_URANDOM);
+ }
+ }
+ // at this point we have no choice but to use a pure-PHP CSPRNG
+
+ // cascade entropy across multiple PHP instances by fixing the session and collecting all
+ // environmental variables, including the previous session data and the current session
+ // data.
+ //
+ // mt_rand seeds itself by looking at the PID and the time, both of which are (relatively)
+ // easy to guess at. linux uses mouse clicks, keyboard timings, etc, as entropy sources, but
+ // PHP isn't low level to be able to use those as sources and on a web server there's not likely
+ // going to be a ton of keyboard or mouse action. web servers do have one thing that we can use
+ // however, a ton of people visiting the website. obviously you don't want to base your seeding
+ // soley on parameters a potential attacker sends but (1) not everything in $_SERVER is controlled
+ // by the user and (2) this isn't just looking at the data sent by the current user - it's based
+ // on the data sent by all users. one user requests the page and a hash of their info is saved.
+ // another user visits the page and the serialization of their data is utilized along with the
+ // server envirnment stuff and a hash of the previous http request data (which itself utilizes
+ // a hash of the session data before that). certainly an attacker should be assumed to have
+ // full control over his own http requests. he, however, is not going to have control over
+ // everyone's http requests.
+ static $crypto = false, $v;
+ if ($crypto === false) {
+ // save old session data
+ $old_session_id = session_id();
+ $old_use_cookies = ini_get('session.use_cookies');
+ $old_session_cache_limiter = session_cache_limiter();
+ $_OLD_SESSION = isset($_SESSION) ? $_SESSION : false;
+ if ($old_session_id != '') {
+ session_write_close();
+ }
+
+ session_id(1);
+ ini_set('session.use_cookies', 0);
+ session_cache_limiter('');
+ session_start();
+
+ $v = $seed = $_SESSION['seed'] = pack('H*', sha1(
+ serialize($_SERVER) .
+ serialize($_POST) .
+ serialize($_GET) .
+ serialize($_COOKIE) .
+ serialize($GLOBALS) .
+ serialize($_SESSION) .
+ serialize($_OLD_SESSION)
+ ));
+ if (!isset($_SESSION['count'])) {
+ $_SESSION['count'] = 0;
+ }
+ $_SESSION['count']++;
+
+ session_write_close();
+
+ // restore old session data
+ if ($old_session_id != '') {
+ session_id($old_session_id);
+ session_start();
+ ini_set('session.use_cookies', $old_use_cookies);
+ session_cache_limiter($old_session_cache_limiter);
+ } else {
+ if ($_OLD_SESSION !== false) {
+ $_SESSION = $_OLD_SESSION;
+ unset($_OLD_SESSION);
+ } else {
+ unset($_SESSION);
+ }
+ }
+
+ // in SSH2 a shared secret and an exchange hash are generated through the key exchange process.
+ // the IV client to server is the hash of that "nonce" with the letter A and for the encryption key it's the letter C.
+ // if the hash doesn't produce enough a key or an IV that's long enough concat successive hashes of the
+ // original hash and the current hash. we'll be emulating that. for more info see the following URL:
+ //
+ // http://tools.ietf.org/html/rfc4253#section-7.2
+ //
+ // see the is_string($crypto) part for an example of how to expand the keys
+ $key = pack('H*', sha1($seed . 'A'));
+ $iv = pack('H*', sha1($seed . 'C'));
+
+ // ciphers are used as per the nist.gov link below. also, see this link:
+ //
+ // http://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator#Designs_based_on_cryptographic_primitives
+ switch (true) {
+ case phpseclib_resolve_include_path('Crypt/AES.php'):
+ if (!class_exists('Crypt_AES')) {
+ include_once 'AES.php';
+ }
+ $crypto = new Crypt_AES(CRYPT_AES_MODE_CTR);
+ break;
+ case phpseclib_resolve_include_path('Crypt/Twofish.php'):
+ if (!class_exists('Crypt_Twofish')) {
+ include_once 'Twofish.php';
+ }
+ $crypto = new Crypt_Twofish(CRYPT_TWOFISH_MODE_CTR);
+ break;
+ case phpseclib_resolve_include_path('Crypt/Blowfish.php'):
+ if (!class_exists('Crypt_Blowfish')) {
+ include_once 'Blowfish.php';
+ }
+ $crypto = new Crypt_Blowfish(CRYPT_BLOWFISH_MODE_CTR);
+ break;
+ case phpseclib_resolve_include_path('Crypt/TripleDES.php'):
+ if (!class_exists('Crypt_TripleDES')) {
+ include_once 'TripleDES.php';
+ }
+ $crypto = new Crypt_TripleDES(CRYPT_DES_MODE_CTR);
+ break;
+ case phpseclib_resolve_include_path('Crypt/DES.php'):
+ if (!class_exists('Crypt_DES')) {
+ include_once 'DES.php';
+ }
+ $crypto = new Crypt_DES(CRYPT_DES_MODE_CTR);
+ break;
+ case phpseclib_resolve_include_path('Crypt/RC4.php'):
+ if (!class_exists('Crypt_RC4')) {
+ include_once 'RC4.php';
+ }
+ $crypto = new Crypt_RC4();
+ break;
+ default:
+ user_error('crypt_random_string requires at least one symmetric cipher be loaded');
+ return false;
+ }
+
+ $crypto->setKey($key);
+ $crypto->setIV($iv);
+ $crypto->enableContinuousBuffer();
+ }
+
+ //return $crypto->encrypt(str_repeat("\0", $length));
+
+ // the following is based off of ANSI X9.31:
+ //
+ // http://csrc.nist.gov/groups/STM/cavp/documents/rng/931rngext.pdf
+ //
+ // OpenSSL uses that same standard for it's random numbers:
+ //
+ // http://www.opensource.apple.com/source/OpenSSL/OpenSSL-38/openssl/fips-1.0/rand/fips_rand.c
+ // (do a search for "ANS X9.31 A.2.4")
+ $result = '';
+ while (strlen($result) < $length) {
+ $i = $crypto->encrypt(microtime()); // strlen(microtime()) == 21
+ $r = $crypto->encrypt($i ^ $v); // strlen($v) == 20
+ $v = $crypto->encrypt($r ^ $i); // strlen($r) == 20
+ $result.= $r;
+ }
+ return substr($result, 0, $length);
+ }
+}
+
+if (!function_exists('phpseclib_resolve_include_path')) {
+ /**
+ * Resolve filename against the include path.
+ *
+ * Wrapper around stream_resolve_include_path() (which was introduced in
+ * PHP 5.3.2) with fallback implementation for earlier PHP versions.
+ *
+ * @param string $filename
+ * @return mixed Filename (string) on success, false otherwise.
+ * @access public
+ */
+ function phpseclib_resolve_include_path($filename)
+ {
+ if (function_exists('stream_resolve_include_path')) {
+ return stream_resolve_include_path($filename);
+ }
+
+ // handle non-relative paths
+ if (file_exists($filename)) {
+ return realpath($filename);
+ }
+
+ $paths = PATH_SEPARATOR == ':' ?
+ preg_split('#(?<!phar):#', get_include_path()) :
+ explode(PATH_SEPARATOR, get_include_path());
+ foreach ($paths as $prefix) {
+ // path's specified in include_path don't always end in /
+ $ds = substr($prefix, -1) == DIRECTORY_SEPARATOR ? '' : DIRECTORY_SEPARATOR;
+ $file = $prefix . $ds . $filename;
+ if (file_exists($file)) {
+ return realpath($file);
+ }
+ }
+
+ return false;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/Rijndael.php b/libs/phpseclib-0.3.7/Crypt/Rijndael.php new file mode 100644 index 0000000..d0f9172 --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/Rijndael.php @@ -0,0 +1,1342 @@ +<?php
+
+/**
+ * Pure-PHP implementation of Rijndael.
+ *
+ * Uses mcrypt, if available/possible, and an internal implementation, otherwise.
+ *
+ * PHP versions 4 and 5
+ *
+ * If {@link Crypt_Rijndael::setBlockLength() setBlockLength()} isn't called, it'll be assumed to be 128 bits. If
+ * {@link Crypt_Rijndael::setKeyLength() setKeyLength()} isn't called, it'll be calculated from
+ * {@link Crypt_Rijndael::setKey() setKey()}. ie. if the key is 128-bits, the key length will be 128-bits. If it's
+ * 136-bits it'll be null-padded to 192-bits and 192 bits will be the key length until
+ * {@link Crypt_Rijndael::setKey() setKey()} is called, again, at which point, it'll be recalculated.
+ *
+ * Not all Rijndael implementations may support 160-bits or 224-bits as the block length / key length. mcrypt, for example,
+ * does not. AES, itself, only supports block lengths of 128 and key lengths of 128, 192, and 256.
+ * {@link http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf#page=10 Rijndael-ammended.pdf#page=10} defines the
+ * algorithm for block lengths of 192 and 256 but not for block lengths / key lengths of 160 and 224. Indeed, 160 and 224
+ * are first defined as valid key / block lengths in
+ * {@link http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf#page=44 Rijndael-ammended.pdf#page=44}:
+ * Extensions: Other block and Cipher Key lengths.
+ * Note: Use of 160/224-bit Keys must be explicitly set by setKeyLength(160) respectively setKeyLength(224).
+ *
+ * {@internal The variable names are the same as those in
+ * {@link http://www.csrc.nist.gov/publications/fips/fips197/fips-197.pdf#page=10 fips-197.pdf#page=10}.}}
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/Rijndael.php';
+ *
+ * $rijndael = new Crypt_Rijndael();
+ *
+ * $rijndael->setKey('abcdefghijklmnop');
+ *
+ * $size = 10 * 1024;
+ * $plaintext = '';
+ * for ($i = 0; $i < $size; $i++) {
+ * $plaintext.= 'a';
+ * }
+ *
+ * echo $rijndael->decrypt($rijndael->encrypt($plaintext));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_Rijndael
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVIII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_Base
+ *
+ * Base cipher class
+ */
+if (!class_exists('Crypt_Base')) {
+ include_once 'Base.php';
+}
+
+/**#@+
+ * @access public
+ * @see Crypt_Rijndael::encrypt()
+ * @see Crypt_Rijndael::decrypt()
+ */
+/**
+ * Encrypt / decrypt using the Counter mode.
+ *
+ * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29
+ */
+define('CRYPT_RIJNDAEL_MODE_CTR', CRYPT_MODE_CTR);
+/**
+ * Encrypt / decrypt using the Electronic Code Book mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29
+ */
+define('CRYPT_RIJNDAEL_MODE_ECB', CRYPT_MODE_ECB);
+/**
+ * Encrypt / decrypt using the Code Book Chaining mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29
+ */
+define('CRYPT_RIJNDAEL_MODE_CBC', CRYPT_MODE_CBC);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29
+ */
+define('CRYPT_RIJNDAEL_MODE_CFB', CRYPT_MODE_CFB);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29
+ */
+define('CRYPT_RIJNDAEL_MODE_OFB', CRYPT_MODE_OFB);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_Base::Crypt_Base()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_RIJNDAEL_MODE_INTERNAL', CRYPT_MODE_INTERNAL);
+/**
+ * Toggles the mcrypt implementation
+ */
+define('CRYPT_RIJNDAEL_MODE_MCRYPT', CRYPT_MODE_MCRYPT);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of Rijndael.
+ *
+ * @package Crypt_Rijndael
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Crypt_Rijndael extends Crypt_Base
+{
+ /**
+ * The default password key_size used by setPassword()
+ *
+ * @see Crypt_Base::password_key_size
+ * @see Crypt_Base::setPassword()
+ * @var Integer
+ * @access private
+ */
+ var $password_key_size = 16;
+
+ /**
+ * The namespace used by the cipher for its constants.
+ *
+ * @see Crypt_Base::const_namespace
+ * @var String
+ * @access private
+ */
+ var $const_namespace = 'RIJNDAEL';
+
+ /**
+ * The mcrypt specific name of the cipher
+ *
+ * Mcrypt is useable for 128/192/256-bit $block_size/$key_size. For 160/224 not.
+ * Crypt_Rijndael determines automatically whether mcrypt is useable
+ * or not for the current $block_size/$key_size.
+ * In case of, $cipher_name_mcrypt will be set dynamically at run time accordingly.
+ *
+ * @see Crypt_Base::cipher_name_mcrypt
+ * @see Crypt_Base::engine
+ * @see _setupEngine()
+ * @var String
+ * @access private
+ */
+ var $cipher_name_mcrypt = 'rijndael-128';
+
+ /**
+ * The default salt used by setPassword()
+ *
+ * @see Crypt_Base::password_default_salt
+ * @see Crypt_Base::setPassword()
+ * @var String
+ * @access private
+ */
+ var $password_default_salt = 'phpseclib';
+
+ /**
+ * Has the key length explicitly been set or should it be derived from the key, itself?
+ *
+ * @see setKeyLength()
+ * @var Boolean
+ * @access private
+ */
+ var $explicit_key_length = false;
+
+ /**
+ * The Key Schedule
+ *
+ * @see _setup()
+ * @var Array
+ * @access private
+ */
+ var $w;
+
+ /**
+ * The Inverse Key Schedule
+ *
+ * @see _setup()
+ * @var Array
+ * @access private
+ */
+ var $dw;
+
+ /**
+ * The Block Length divided by 32
+ *
+ * @see setBlockLength()
+ * @var Integer
+ * @access private
+ * @internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4. Exists in conjunction with $block_size
+ * because the encryption / decryption / key schedule creation requires this number and not $block_size. We could
+ * derive this from $block_size or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu
+ * of that, we'll just precompute it once.
+ *
+ */
+ var $Nb = 4;
+
+ /**
+ * The Key Length
+ *
+ * @see setKeyLength()
+ * @var Integer
+ * @access private
+ * @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk
+ * because the encryption / decryption / key schedule creation requires this number and not $key_size. We could
+ * derive this from $key_size or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu
+ * of that, we'll just precompute it once.
+ */
+ var $key_size = 16;
+
+ /**
+ * The Key Length divided by 32
+ *
+ * @see setKeyLength()
+ * @var Integer
+ * @access private
+ * @internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4
+ */
+ var $Nk = 4;
+
+ /**
+ * The Number of Rounds
+ *
+ * @var Integer
+ * @access private
+ * @internal The max value is 14, the min value is 10.
+ */
+ var $Nr;
+
+ /**
+ * Shift offsets
+ *
+ * @var Array
+ * @access private
+ */
+ var $c;
+
+ /**
+ * Holds the last used key- and block_size information
+ *
+ * @var Array
+ * @access private
+ */
+ var $kl;
+
+ /**
+ * Precomputed mixColumns table
+ *
+ * According to <http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf#page=19> (section 5.2.1),
+ * precomputed tables can be used in the mixColumns phase. in that example, they're assigned t0...t3, so
+ * those are the names we'll use.
+ *
+ * @see Crypt_Rijndael:_encryptBlock()
+ * @see Crypt_Rijndael:_decryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $t0 = array(
+ 0xC66363A5, 0xF87C7C84, 0xEE777799, 0xF67B7B8D, 0xFFF2F20D, 0xD66B6BBD, 0xDE6F6FB1, 0x91C5C554,
+ 0x60303050, 0x02010103, 0xCE6767A9, 0x562B2B7D, 0xE7FEFE19, 0xB5D7D762, 0x4DABABE6, 0xEC76769A,
+ 0x8FCACA45, 0x1F82829D, 0x89C9C940, 0xFA7D7D87, 0xEFFAFA15, 0xB25959EB, 0x8E4747C9, 0xFBF0F00B,
+ 0x41ADADEC, 0xB3D4D467, 0x5FA2A2FD, 0x45AFAFEA, 0x239C9CBF, 0x53A4A4F7, 0xE4727296, 0x9BC0C05B,
+ 0x75B7B7C2, 0xE1FDFD1C, 0x3D9393AE, 0x4C26266A, 0x6C36365A, 0x7E3F3F41, 0xF5F7F702, 0x83CCCC4F,
+ 0x6834345C, 0x51A5A5F4, 0xD1E5E534, 0xF9F1F108, 0xE2717193, 0xABD8D873, 0x62313153, 0x2A15153F,
+ 0x0804040C, 0x95C7C752, 0x46232365, 0x9DC3C35E, 0x30181828, 0x379696A1, 0x0A05050F, 0x2F9A9AB5,
+ 0x0E070709, 0x24121236, 0x1B80809B, 0xDFE2E23D, 0xCDEBEB26, 0x4E272769, 0x7FB2B2CD, 0xEA75759F,
+ 0x1209091B, 0x1D83839E, 0x582C2C74, 0x341A1A2E, 0x361B1B2D, 0xDC6E6EB2, 0xB45A5AEE, 0x5BA0A0FB,
+ 0xA45252F6, 0x763B3B4D, 0xB7D6D661, 0x7DB3B3CE, 0x5229297B, 0xDDE3E33E, 0x5E2F2F71, 0x13848497,
+ 0xA65353F5, 0xB9D1D168, 0x00000000, 0xC1EDED2C, 0x40202060, 0xE3FCFC1F, 0x79B1B1C8, 0xB65B5BED,
+ 0xD46A6ABE, 0x8DCBCB46, 0x67BEBED9, 0x7239394B, 0x944A4ADE, 0x984C4CD4, 0xB05858E8, 0x85CFCF4A,
+ 0xBBD0D06B, 0xC5EFEF2A, 0x4FAAAAE5, 0xEDFBFB16, 0x864343C5, 0x9A4D4DD7, 0x66333355, 0x11858594,
+ 0x8A4545CF, 0xE9F9F910, 0x04020206, 0xFE7F7F81, 0xA05050F0, 0x783C3C44, 0x259F9FBA, 0x4BA8A8E3,
+ 0xA25151F3, 0x5DA3A3FE, 0x804040C0, 0x058F8F8A, 0x3F9292AD, 0x219D9DBC, 0x70383848, 0xF1F5F504,
+ 0x63BCBCDF, 0x77B6B6C1, 0xAFDADA75, 0x42212163, 0x20101030, 0xE5FFFF1A, 0xFDF3F30E, 0xBFD2D26D,
+ 0x81CDCD4C, 0x180C0C14, 0x26131335, 0xC3ECEC2F, 0xBE5F5FE1, 0x359797A2, 0x884444CC, 0x2E171739,
+ 0x93C4C457, 0x55A7A7F2, 0xFC7E7E82, 0x7A3D3D47, 0xC86464AC, 0xBA5D5DE7, 0x3219192B, 0xE6737395,
+ 0xC06060A0, 0x19818198, 0x9E4F4FD1, 0xA3DCDC7F, 0x44222266, 0x542A2A7E, 0x3B9090AB, 0x0B888883,
+ 0x8C4646CA, 0xC7EEEE29, 0x6BB8B8D3, 0x2814143C, 0xA7DEDE79, 0xBC5E5EE2, 0x160B0B1D, 0xADDBDB76,
+ 0xDBE0E03B, 0x64323256, 0x743A3A4E, 0x140A0A1E, 0x924949DB, 0x0C06060A, 0x4824246C, 0xB85C5CE4,
+ 0x9FC2C25D, 0xBDD3D36E, 0x43ACACEF, 0xC46262A6, 0x399191A8, 0x319595A4, 0xD3E4E437, 0xF279798B,
+ 0xD5E7E732, 0x8BC8C843, 0x6E373759, 0xDA6D6DB7, 0x018D8D8C, 0xB1D5D564, 0x9C4E4ED2, 0x49A9A9E0,
+ 0xD86C6CB4, 0xAC5656FA, 0xF3F4F407, 0xCFEAEA25, 0xCA6565AF, 0xF47A7A8E, 0x47AEAEE9, 0x10080818,
+ 0x6FBABAD5, 0xF0787888, 0x4A25256F, 0x5C2E2E72, 0x381C1C24, 0x57A6A6F1, 0x73B4B4C7, 0x97C6C651,
+ 0xCBE8E823, 0xA1DDDD7C, 0xE874749C, 0x3E1F1F21, 0x964B4BDD, 0x61BDBDDC, 0x0D8B8B86, 0x0F8A8A85,
+ 0xE0707090, 0x7C3E3E42, 0x71B5B5C4, 0xCC6666AA, 0x904848D8, 0x06030305, 0xF7F6F601, 0x1C0E0E12,
+ 0xC26161A3, 0x6A35355F, 0xAE5757F9, 0x69B9B9D0, 0x17868691, 0x99C1C158, 0x3A1D1D27, 0x279E9EB9,
+ 0xD9E1E138, 0xEBF8F813, 0x2B9898B3, 0x22111133, 0xD26969BB, 0xA9D9D970, 0x078E8E89, 0x339494A7,
+ 0x2D9B9BB6, 0x3C1E1E22, 0x15878792, 0xC9E9E920, 0x87CECE49, 0xAA5555FF, 0x50282878, 0xA5DFDF7A,
+ 0x038C8C8F, 0x59A1A1F8, 0x09898980, 0x1A0D0D17, 0x65BFBFDA, 0xD7E6E631, 0x844242C6, 0xD06868B8,
+ 0x824141C3, 0x299999B0, 0x5A2D2D77, 0x1E0F0F11, 0x7BB0B0CB, 0xA85454FC, 0x6DBBBBD6, 0x2C16163A
+ );
+
+ /**
+ * Precomputed mixColumns table
+ *
+ * @see Crypt_Rijndael:_encryptBlock()
+ * @see Crypt_Rijndael:_decryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $t1 = array(
+ 0xA5C66363, 0x84F87C7C, 0x99EE7777, 0x8DF67B7B, 0x0DFFF2F2, 0xBDD66B6B, 0xB1DE6F6F, 0x5491C5C5,
+ 0x50603030, 0x03020101, 0xA9CE6767, 0x7D562B2B, 0x19E7FEFE, 0x62B5D7D7, 0xE64DABAB, 0x9AEC7676,
+ 0x458FCACA, 0x9D1F8282, 0x4089C9C9, 0x87FA7D7D, 0x15EFFAFA, 0xEBB25959, 0xC98E4747, 0x0BFBF0F0,
+ 0xEC41ADAD, 0x67B3D4D4, 0xFD5FA2A2, 0xEA45AFAF, 0xBF239C9C, 0xF753A4A4, 0x96E47272, 0x5B9BC0C0,
+ 0xC275B7B7, 0x1CE1FDFD, 0xAE3D9393, 0x6A4C2626, 0x5A6C3636, 0x417E3F3F, 0x02F5F7F7, 0x4F83CCCC,
+ 0x5C683434, 0xF451A5A5, 0x34D1E5E5, 0x08F9F1F1, 0x93E27171, 0x73ABD8D8, 0x53623131, 0x3F2A1515,
+ 0x0C080404, 0x5295C7C7, 0x65462323, 0x5E9DC3C3, 0x28301818, 0xA1379696, 0x0F0A0505, 0xB52F9A9A,
+ 0x090E0707, 0x36241212, 0x9B1B8080, 0x3DDFE2E2, 0x26CDEBEB, 0x694E2727, 0xCD7FB2B2, 0x9FEA7575,
+ 0x1B120909, 0x9E1D8383, 0x74582C2C, 0x2E341A1A, 0x2D361B1B, 0xB2DC6E6E, 0xEEB45A5A, 0xFB5BA0A0,
+ 0xF6A45252, 0x4D763B3B, 0x61B7D6D6, 0xCE7DB3B3, 0x7B522929, 0x3EDDE3E3, 0x715E2F2F, 0x97138484,
+ 0xF5A65353, 0x68B9D1D1, 0x00000000, 0x2CC1EDED, 0x60402020, 0x1FE3FCFC, 0xC879B1B1, 0xEDB65B5B,
+ 0xBED46A6A, 0x468DCBCB, 0xD967BEBE, 0x4B723939, 0xDE944A4A, 0xD4984C4C, 0xE8B05858, 0x4A85CFCF,
+ 0x6BBBD0D0, 0x2AC5EFEF, 0xE54FAAAA, 0x16EDFBFB, 0xC5864343, 0xD79A4D4D, 0x55663333, 0x94118585,
+ 0xCF8A4545, 0x10E9F9F9, 0x06040202, 0x81FE7F7F, 0xF0A05050, 0x44783C3C, 0xBA259F9F, 0xE34BA8A8,
+ 0xF3A25151, 0xFE5DA3A3, 0xC0804040, 0x8A058F8F, 0xAD3F9292, 0xBC219D9D, 0x48703838, 0x04F1F5F5,
+ 0xDF63BCBC, 0xC177B6B6, 0x75AFDADA, 0x63422121, 0x30201010, 0x1AE5FFFF, 0x0EFDF3F3, 0x6DBFD2D2,
+ 0x4C81CDCD, 0x14180C0C, 0x35261313, 0x2FC3ECEC, 0xE1BE5F5F, 0xA2359797, 0xCC884444, 0x392E1717,
+ 0x5793C4C4, 0xF255A7A7, 0x82FC7E7E, 0x477A3D3D, 0xACC86464, 0xE7BA5D5D, 0x2B321919, 0x95E67373,
+ 0xA0C06060, 0x98198181, 0xD19E4F4F, 0x7FA3DCDC, 0x66442222, 0x7E542A2A, 0xAB3B9090, 0x830B8888,
+ 0xCA8C4646, 0x29C7EEEE, 0xD36BB8B8, 0x3C281414, 0x79A7DEDE, 0xE2BC5E5E, 0x1D160B0B, 0x76ADDBDB,
+ 0x3BDBE0E0, 0x56643232, 0x4E743A3A, 0x1E140A0A, 0xDB924949, 0x0A0C0606, 0x6C482424, 0xE4B85C5C,
+ 0x5D9FC2C2, 0x6EBDD3D3, 0xEF43ACAC, 0xA6C46262, 0xA8399191, 0xA4319595, 0x37D3E4E4, 0x8BF27979,
+ 0x32D5E7E7, 0x438BC8C8, 0x596E3737, 0xB7DA6D6D, 0x8C018D8D, 0x64B1D5D5, 0xD29C4E4E, 0xE049A9A9,
+ 0xB4D86C6C, 0xFAAC5656, 0x07F3F4F4, 0x25CFEAEA, 0xAFCA6565, 0x8EF47A7A, 0xE947AEAE, 0x18100808,
+ 0xD56FBABA, 0x88F07878, 0x6F4A2525, 0x725C2E2E, 0x24381C1C, 0xF157A6A6, 0xC773B4B4, 0x5197C6C6,
+ 0x23CBE8E8, 0x7CA1DDDD, 0x9CE87474, 0x213E1F1F, 0xDD964B4B, 0xDC61BDBD, 0x860D8B8B, 0x850F8A8A,
+ 0x90E07070, 0x427C3E3E, 0xC471B5B5, 0xAACC6666, 0xD8904848, 0x05060303, 0x01F7F6F6, 0x121C0E0E,
+ 0xA3C26161, 0x5F6A3535, 0xF9AE5757, 0xD069B9B9, 0x91178686, 0x5899C1C1, 0x273A1D1D, 0xB9279E9E,
+ 0x38D9E1E1, 0x13EBF8F8, 0xB32B9898, 0x33221111, 0xBBD26969, 0x70A9D9D9, 0x89078E8E, 0xA7339494,
+ 0xB62D9B9B, 0x223C1E1E, 0x92158787, 0x20C9E9E9, 0x4987CECE, 0xFFAA5555, 0x78502828, 0x7AA5DFDF,
+ 0x8F038C8C, 0xF859A1A1, 0x80098989, 0x171A0D0D, 0xDA65BFBF, 0x31D7E6E6, 0xC6844242, 0xB8D06868,
+ 0xC3824141, 0xB0299999, 0x775A2D2D, 0x111E0F0F, 0xCB7BB0B0, 0xFCA85454, 0xD66DBBBB, 0x3A2C1616
+ );
+
+ /**
+ * Precomputed mixColumns table
+ *
+ * @see Crypt_Rijndael:_encryptBlock()
+ * @see Crypt_Rijndael:_decryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $t2 = array(
+ 0x63A5C663, 0x7C84F87C, 0x7799EE77, 0x7B8DF67B, 0xF20DFFF2, 0x6BBDD66B, 0x6FB1DE6F, 0xC55491C5,
+ 0x30506030, 0x01030201, 0x67A9CE67, 0x2B7D562B, 0xFE19E7FE, 0xD762B5D7, 0xABE64DAB, 0x769AEC76,
+ 0xCA458FCA, 0x829D1F82, 0xC94089C9, 0x7D87FA7D, 0xFA15EFFA, 0x59EBB259, 0x47C98E47, 0xF00BFBF0,
+ 0xADEC41AD, 0xD467B3D4, 0xA2FD5FA2, 0xAFEA45AF, 0x9CBF239C, 0xA4F753A4, 0x7296E472, 0xC05B9BC0,
+ 0xB7C275B7, 0xFD1CE1FD, 0x93AE3D93, 0x266A4C26, 0x365A6C36, 0x3F417E3F, 0xF702F5F7, 0xCC4F83CC,
+ 0x345C6834, 0xA5F451A5, 0xE534D1E5, 0xF108F9F1, 0x7193E271, 0xD873ABD8, 0x31536231, 0x153F2A15,
+ 0x040C0804, 0xC75295C7, 0x23654623, 0xC35E9DC3, 0x18283018, 0x96A13796, 0x050F0A05, 0x9AB52F9A,
+ 0x07090E07, 0x12362412, 0x809B1B80, 0xE23DDFE2, 0xEB26CDEB, 0x27694E27, 0xB2CD7FB2, 0x759FEA75,
+ 0x091B1209, 0x839E1D83, 0x2C74582C, 0x1A2E341A, 0x1B2D361B, 0x6EB2DC6E, 0x5AEEB45A, 0xA0FB5BA0,
+ 0x52F6A452, 0x3B4D763B, 0xD661B7D6, 0xB3CE7DB3, 0x297B5229, 0xE33EDDE3, 0x2F715E2F, 0x84971384,
+ 0x53F5A653, 0xD168B9D1, 0x00000000, 0xED2CC1ED, 0x20604020, 0xFC1FE3FC, 0xB1C879B1, 0x5BEDB65B,
+ 0x6ABED46A, 0xCB468DCB, 0xBED967BE, 0x394B7239, 0x4ADE944A, 0x4CD4984C, 0x58E8B058, 0xCF4A85CF,
+ 0xD06BBBD0, 0xEF2AC5EF, 0xAAE54FAA, 0xFB16EDFB, 0x43C58643, 0x4DD79A4D, 0x33556633, 0x85941185,
+ 0x45CF8A45, 0xF910E9F9, 0x02060402, 0x7F81FE7F, 0x50F0A050, 0x3C44783C, 0x9FBA259F, 0xA8E34BA8,
+ 0x51F3A251, 0xA3FE5DA3, 0x40C08040, 0x8F8A058F, 0x92AD3F92, 0x9DBC219D, 0x38487038, 0xF504F1F5,
+ 0xBCDF63BC, 0xB6C177B6, 0xDA75AFDA, 0x21634221, 0x10302010, 0xFF1AE5FF, 0xF30EFDF3, 0xD26DBFD2,
+ 0xCD4C81CD, 0x0C14180C, 0x13352613, 0xEC2FC3EC, 0x5FE1BE5F, 0x97A23597, 0x44CC8844, 0x17392E17,
+ 0xC45793C4, 0xA7F255A7, 0x7E82FC7E, 0x3D477A3D, 0x64ACC864, 0x5DE7BA5D, 0x192B3219, 0x7395E673,
+ 0x60A0C060, 0x81981981, 0x4FD19E4F, 0xDC7FA3DC, 0x22664422, 0x2A7E542A, 0x90AB3B90, 0x88830B88,
+ 0x46CA8C46, 0xEE29C7EE, 0xB8D36BB8, 0x143C2814, 0xDE79A7DE, 0x5EE2BC5E, 0x0B1D160B, 0xDB76ADDB,
+ 0xE03BDBE0, 0x32566432, 0x3A4E743A, 0x0A1E140A, 0x49DB9249, 0x060A0C06, 0x246C4824, 0x5CE4B85C,
+ 0xC25D9FC2, 0xD36EBDD3, 0xACEF43AC, 0x62A6C462, 0x91A83991, 0x95A43195, 0xE437D3E4, 0x798BF279,
+ 0xE732D5E7, 0xC8438BC8, 0x37596E37, 0x6DB7DA6D, 0x8D8C018D, 0xD564B1D5, 0x4ED29C4E, 0xA9E049A9,
+ 0x6CB4D86C, 0x56FAAC56, 0xF407F3F4, 0xEA25CFEA, 0x65AFCA65, 0x7A8EF47A, 0xAEE947AE, 0x08181008,
+ 0xBAD56FBA, 0x7888F078, 0x256F4A25, 0x2E725C2E, 0x1C24381C, 0xA6F157A6, 0xB4C773B4, 0xC65197C6,
+ 0xE823CBE8, 0xDD7CA1DD, 0x749CE874, 0x1F213E1F, 0x4BDD964B, 0xBDDC61BD, 0x8B860D8B, 0x8A850F8A,
+ 0x7090E070, 0x3E427C3E, 0xB5C471B5, 0x66AACC66, 0x48D89048, 0x03050603, 0xF601F7F6, 0x0E121C0E,
+ 0x61A3C261, 0x355F6A35, 0x57F9AE57, 0xB9D069B9, 0x86911786, 0xC15899C1, 0x1D273A1D, 0x9EB9279E,
+ 0xE138D9E1, 0xF813EBF8, 0x98B32B98, 0x11332211, 0x69BBD269, 0xD970A9D9, 0x8E89078E, 0x94A73394,
+ 0x9BB62D9B, 0x1E223C1E, 0x87921587, 0xE920C9E9, 0xCE4987CE, 0x55FFAA55, 0x28785028, 0xDF7AA5DF,
+ 0x8C8F038C, 0xA1F859A1, 0x89800989, 0x0D171A0D, 0xBFDA65BF, 0xE631D7E6, 0x42C68442, 0x68B8D068,
+ 0x41C38241, 0x99B02999, 0x2D775A2D, 0x0F111E0F, 0xB0CB7BB0, 0x54FCA854, 0xBBD66DBB, 0x163A2C16
+ );
+
+ /**
+ * Precomputed mixColumns table
+ *
+ * @see Crypt_Rijndael:_encryptBlock()
+ * @see Crypt_Rijndael:_decryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $t3 = array(
+ 0x6363A5C6, 0x7C7C84F8, 0x777799EE, 0x7B7B8DF6, 0xF2F20DFF, 0x6B6BBDD6, 0x6F6FB1DE, 0xC5C55491,
+ 0x30305060, 0x01010302, 0x6767A9CE, 0x2B2B7D56, 0xFEFE19E7, 0xD7D762B5, 0xABABE64D, 0x76769AEC,
+ 0xCACA458F, 0x82829D1F, 0xC9C94089, 0x7D7D87FA, 0xFAFA15EF, 0x5959EBB2, 0x4747C98E, 0xF0F00BFB,
+ 0xADADEC41, 0xD4D467B3, 0xA2A2FD5F, 0xAFAFEA45, 0x9C9CBF23, 0xA4A4F753, 0x727296E4, 0xC0C05B9B,
+ 0xB7B7C275, 0xFDFD1CE1, 0x9393AE3D, 0x26266A4C, 0x36365A6C, 0x3F3F417E, 0xF7F702F5, 0xCCCC4F83,
+ 0x34345C68, 0xA5A5F451, 0xE5E534D1, 0xF1F108F9, 0x717193E2, 0xD8D873AB, 0x31315362, 0x15153F2A,
+ 0x04040C08, 0xC7C75295, 0x23236546, 0xC3C35E9D, 0x18182830, 0x9696A137, 0x05050F0A, 0x9A9AB52F,
+ 0x0707090E, 0x12123624, 0x80809B1B, 0xE2E23DDF, 0xEBEB26CD, 0x2727694E, 0xB2B2CD7F, 0x75759FEA,
+ 0x09091B12, 0x83839E1D, 0x2C2C7458, 0x1A1A2E34, 0x1B1B2D36, 0x6E6EB2DC, 0x5A5AEEB4, 0xA0A0FB5B,
+ 0x5252F6A4, 0x3B3B4D76, 0xD6D661B7, 0xB3B3CE7D, 0x29297B52, 0xE3E33EDD, 0x2F2F715E, 0x84849713,
+ 0x5353F5A6, 0xD1D168B9, 0x00000000, 0xEDED2CC1, 0x20206040, 0xFCFC1FE3, 0xB1B1C879, 0x5B5BEDB6,
+ 0x6A6ABED4, 0xCBCB468D, 0xBEBED967, 0x39394B72, 0x4A4ADE94, 0x4C4CD498, 0x5858E8B0, 0xCFCF4A85,
+ 0xD0D06BBB, 0xEFEF2AC5, 0xAAAAE54F, 0xFBFB16ED, 0x4343C586, 0x4D4DD79A, 0x33335566, 0x85859411,
+ 0x4545CF8A, 0xF9F910E9, 0x02020604, 0x7F7F81FE, 0x5050F0A0, 0x3C3C4478, 0x9F9FBA25, 0xA8A8E34B,
+ 0x5151F3A2, 0xA3A3FE5D, 0x4040C080, 0x8F8F8A05, 0x9292AD3F, 0x9D9DBC21, 0x38384870, 0xF5F504F1,
+ 0xBCBCDF63, 0xB6B6C177, 0xDADA75AF, 0x21216342, 0x10103020, 0xFFFF1AE5, 0xF3F30EFD, 0xD2D26DBF,
+ 0xCDCD4C81, 0x0C0C1418, 0x13133526, 0xECEC2FC3, 0x5F5FE1BE, 0x9797A235, 0x4444CC88, 0x1717392E,
+ 0xC4C45793, 0xA7A7F255, 0x7E7E82FC, 0x3D3D477A, 0x6464ACC8, 0x5D5DE7BA, 0x19192B32, 0x737395E6,
+ 0x6060A0C0, 0x81819819, 0x4F4FD19E, 0xDCDC7FA3, 0x22226644, 0x2A2A7E54, 0x9090AB3B, 0x8888830B,
+ 0x4646CA8C, 0xEEEE29C7, 0xB8B8D36B, 0x14143C28, 0xDEDE79A7, 0x5E5EE2BC, 0x0B0B1D16, 0xDBDB76AD,
+ 0xE0E03BDB, 0x32325664, 0x3A3A4E74, 0x0A0A1E14, 0x4949DB92, 0x06060A0C, 0x24246C48, 0x5C5CE4B8,
+ 0xC2C25D9F, 0xD3D36EBD, 0xACACEF43, 0x6262A6C4, 0x9191A839, 0x9595A431, 0xE4E437D3, 0x79798BF2,
+ 0xE7E732D5, 0xC8C8438B, 0x3737596E, 0x6D6DB7DA, 0x8D8D8C01, 0xD5D564B1, 0x4E4ED29C, 0xA9A9E049,
+ 0x6C6CB4D8, 0x5656FAAC, 0xF4F407F3, 0xEAEA25CF, 0x6565AFCA, 0x7A7A8EF4, 0xAEAEE947, 0x08081810,
+ 0xBABAD56F, 0x787888F0, 0x25256F4A, 0x2E2E725C, 0x1C1C2438, 0xA6A6F157, 0xB4B4C773, 0xC6C65197,
+ 0xE8E823CB, 0xDDDD7CA1, 0x74749CE8, 0x1F1F213E, 0x4B4BDD96, 0xBDBDDC61, 0x8B8B860D, 0x8A8A850F,
+ 0x707090E0, 0x3E3E427C, 0xB5B5C471, 0x6666AACC, 0x4848D890, 0x03030506, 0xF6F601F7, 0x0E0E121C,
+ 0x6161A3C2, 0x35355F6A, 0x5757F9AE, 0xB9B9D069, 0x86869117, 0xC1C15899, 0x1D1D273A, 0x9E9EB927,
+ 0xE1E138D9, 0xF8F813EB, 0x9898B32B, 0x11113322, 0x6969BBD2, 0xD9D970A9, 0x8E8E8907, 0x9494A733,
+ 0x9B9BB62D, 0x1E1E223C, 0x87879215, 0xE9E920C9, 0xCECE4987, 0x5555FFAA, 0x28287850, 0xDFDF7AA5,
+ 0x8C8C8F03, 0xA1A1F859, 0x89898009, 0x0D0D171A, 0xBFBFDA65, 0xE6E631D7, 0x4242C684, 0x6868B8D0,
+ 0x4141C382, 0x9999B029, 0x2D2D775A, 0x0F0F111E, 0xB0B0CB7B, 0x5454FCA8, 0xBBBBD66D, 0x16163A2C
+ );
+
+ /**
+ * Precomputed invMixColumns table
+ *
+ * @see Crypt_Rijndael:_encryptBlock()
+ * @see Crypt_Rijndael:_decryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $dt0 = array(
+ 0x51F4A750, 0x7E416553, 0x1A17A4C3, 0x3A275E96, 0x3BAB6BCB, 0x1F9D45F1, 0xACFA58AB, 0x4BE30393,
+ 0x2030FA55, 0xAD766DF6, 0x88CC7691, 0xF5024C25, 0x4FE5D7FC, 0xC52ACBD7, 0x26354480, 0xB562A38F,
+ 0xDEB15A49, 0x25BA1B67, 0x45EA0E98, 0x5DFEC0E1, 0xC32F7502, 0x814CF012, 0x8D4697A3, 0x6BD3F9C6,
+ 0x038F5FE7, 0x15929C95, 0xBF6D7AEB, 0x955259DA, 0xD4BE832D, 0x587421D3, 0x49E06929, 0x8EC9C844,
+ 0x75C2896A, 0xF48E7978, 0x99583E6B, 0x27B971DD, 0xBEE14FB6, 0xF088AD17, 0xC920AC66, 0x7DCE3AB4,
+ 0x63DF4A18, 0xE51A3182, 0x97513360, 0x62537F45, 0xB16477E0, 0xBB6BAE84, 0xFE81A01C, 0xF9082B94,
+ 0x70486858, 0x8F45FD19, 0x94DE6C87, 0x527BF8B7, 0xAB73D323, 0x724B02E2, 0xE31F8F57, 0x6655AB2A,
+ 0xB2EB2807, 0x2FB5C203, 0x86C57B9A, 0xD33708A5, 0x302887F2, 0x23BFA5B2, 0x02036ABA, 0xED16825C,
+ 0x8ACF1C2B, 0xA779B492, 0xF307F2F0, 0x4E69E2A1, 0x65DAF4CD, 0x0605BED5, 0xD134621F, 0xC4A6FE8A,
+ 0x342E539D, 0xA2F355A0, 0x058AE132, 0xA4F6EB75, 0x0B83EC39, 0x4060EFAA, 0x5E719F06, 0xBD6E1051,
+ 0x3E218AF9, 0x96DD063D, 0xDD3E05AE, 0x4DE6BD46, 0x91548DB5, 0x71C45D05, 0x0406D46F, 0x605015FF,
+ 0x1998FB24, 0xD6BDE997, 0x894043CC, 0x67D99E77, 0xB0E842BD, 0x07898B88, 0xE7195B38, 0x79C8EEDB,
+ 0xA17C0A47, 0x7C420FE9, 0xF8841EC9, 0x00000000, 0x09808683, 0x322BED48, 0x1E1170AC, 0x6C5A724E,
+ 0xFD0EFFFB, 0x0F853856, 0x3DAED51E, 0x362D3927, 0x0A0FD964, 0x685CA621, 0x9B5B54D1, 0x24362E3A,
+ 0x0C0A67B1, 0x9357E70F, 0xB4EE96D2, 0x1B9B919E, 0x80C0C54F, 0x61DC20A2, 0x5A774B69, 0x1C121A16,
+ 0xE293BA0A, 0xC0A02AE5, 0x3C22E043, 0x121B171D, 0x0E090D0B, 0xF28BC7AD, 0x2DB6A8B9, 0x141EA9C8,
+ 0x57F11985, 0xAF75074C, 0xEE99DDBB, 0xA37F60FD, 0xF701269F, 0x5C72F5BC, 0x44663BC5, 0x5BFB7E34,
+ 0x8B432976, 0xCB23C6DC, 0xB6EDFC68, 0xB8E4F163, 0xD731DCCA, 0x42638510, 0x13972240, 0x84C61120,
+ 0x854A247D, 0xD2BB3DF8, 0xAEF93211, 0xC729A16D, 0x1D9E2F4B, 0xDCB230F3, 0x0D8652EC, 0x77C1E3D0,
+ 0x2BB3166C, 0xA970B999, 0x119448FA, 0x47E96422, 0xA8FC8CC4, 0xA0F03F1A, 0x567D2CD8, 0x223390EF,
+ 0x87494EC7, 0xD938D1C1, 0x8CCAA2FE, 0x98D40B36, 0xA6F581CF, 0xA57ADE28, 0xDAB78E26, 0x3FADBFA4,
+ 0x2C3A9DE4, 0x5078920D, 0x6A5FCC9B, 0x547E4662, 0xF68D13C2, 0x90D8B8E8, 0x2E39F75E, 0x82C3AFF5,
+ 0x9F5D80BE, 0x69D0937C, 0x6FD52DA9, 0xCF2512B3, 0xC8AC993B, 0x10187DA7, 0xE89C636E, 0xDB3BBB7B,
+ 0xCD267809, 0x6E5918F4, 0xEC9AB701, 0x834F9AA8, 0xE6956E65, 0xAAFFE67E, 0x21BCCF08, 0xEF15E8E6,
+ 0xBAE79BD9, 0x4A6F36CE, 0xEA9F09D4, 0x29B07CD6, 0x31A4B2AF, 0x2A3F2331, 0xC6A59430, 0x35A266C0,
+ 0x744EBC37, 0xFC82CAA6, 0xE090D0B0, 0x33A7D815, 0xF104984A, 0x41ECDAF7, 0x7FCD500E, 0x1791F62F,
+ 0x764DD68D, 0x43EFB04D, 0xCCAA4D54, 0xE49604DF, 0x9ED1B5E3, 0x4C6A881B, 0xC12C1FB8, 0x4665517F,
+ 0x9D5EEA04, 0x018C355D, 0xFA877473, 0xFB0B412E, 0xB3671D5A, 0x92DBD252, 0xE9105633, 0x6DD64713,
+ 0x9AD7618C, 0x37A10C7A, 0x59F8148E, 0xEB133C89, 0xCEA927EE, 0xB761C935, 0xE11CE5ED, 0x7A47B13C,
+ 0x9CD2DF59, 0x55F2733F, 0x1814CE79, 0x73C737BF, 0x53F7CDEA, 0x5FFDAA5B, 0xDF3D6F14, 0x7844DB86,
+ 0xCAAFF381, 0xB968C43E, 0x3824342C, 0xC2A3405F, 0x161DC372, 0xBCE2250C, 0x283C498B, 0xFF0D9541,
+ 0x39A80171, 0x080CB3DE, 0xD8B4E49C, 0x6456C190, 0x7BCB8461, 0xD532B670, 0x486C5C74, 0xD0B85742
+ );
+
+ /**
+ * Precomputed invMixColumns table
+ *
+ * @see Crypt_Rijndael:_encryptBlock()
+ * @see Crypt_Rijndael:_decryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $dt1 = array(
+ 0x5051F4A7, 0x537E4165, 0xC31A17A4, 0x963A275E, 0xCB3BAB6B, 0xF11F9D45, 0xABACFA58, 0x934BE303,
+ 0x552030FA, 0xF6AD766D, 0x9188CC76, 0x25F5024C, 0xFC4FE5D7, 0xD7C52ACB, 0x80263544, 0x8FB562A3,
+ 0x49DEB15A, 0x6725BA1B, 0x9845EA0E, 0xE15DFEC0, 0x02C32F75, 0x12814CF0, 0xA38D4697, 0xC66BD3F9,
+ 0xE7038F5F, 0x9515929C, 0xEBBF6D7A, 0xDA955259, 0x2DD4BE83, 0xD3587421, 0x2949E069, 0x448EC9C8,
+ 0x6A75C289, 0x78F48E79, 0x6B99583E, 0xDD27B971, 0xB6BEE14F, 0x17F088AD, 0x66C920AC, 0xB47DCE3A,
+ 0x1863DF4A, 0x82E51A31, 0x60975133, 0x4562537F, 0xE0B16477, 0x84BB6BAE, 0x1CFE81A0, 0x94F9082B,
+ 0x58704868, 0x198F45FD, 0x8794DE6C, 0xB7527BF8, 0x23AB73D3, 0xE2724B02, 0x57E31F8F, 0x2A6655AB,
+ 0x07B2EB28, 0x032FB5C2, 0x9A86C57B, 0xA5D33708, 0xF2302887, 0xB223BFA5, 0xBA02036A, 0x5CED1682,
+ 0x2B8ACF1C, 0x92A779B4, 0xF0F307F2, 0xA14E69E2, 0xCD65DAF4, 0xD50605BE, 0x1FD13462, 0x8AC4A6FE,
+ 0x9D342E53, 0xA0A2F355, 0x32058AE1, 0x75A4F6EB, 0x390B83EC, 0xAA4060EF, 0x065E719F, 0x51BD6E10,
+ 0xF93E218A, 0x3D96DD06, 0xAEDD3E05, 0x464DE6BD, 0xB591548D, 0x0571C45D, 0x6F0406D4, 0xFF605015,
+ 0x241998FB, 0x97D6BDE9, 0xCC894043, 0x7767D99E, 0xBDB0E842, 0x8807898B, 0x38E7195B, 0xDB79C8EE,
+ 0x47A17C0A, 0xE97C420F, 0xC9F8841E, 0x00000000, 0x83098086, 0x48322BED, 0xAC1E1170, 0x4E6C5A72,
+ 0xFBFD0EFF, 0x560F8538, 0x1E3DAED5, 0x27362D39, 0x640A0FD9, 0x21685CA6, 0xD19B5B54, 0x3A24362E,
+ 0xB10C0A67, 0x0F9357E7, 0xD2B4EE96, 0x9E1B9B91, 0x4F80C0C5, 0xA261DC20, 0x695A774B, 0x161C121A,
+ 0x0AE293BA, 0xE5C0A02A, 0x433C22E0, 0x1D121B17, 0x0B0E090D, 0xADF28BC7, 0xB92DB6A8, 0xC8141EA9,
+ 0x8557F119, 0x4CAF7507, 0xBBEE99DD, 0xFDA37F60, 0x9FF70126, 0xBC5C72F5, 0xC544663B, 0x345BFB7E,
+ 0x768B4329, 0xDCCB23C6, 0x68B6EDFC, 0x63B8E4F1, 0xCAD731DC, 0x10426385, 0x40139722, 0x2084C611,
+ 0x7D854A24, 0xF8D2BB3D, 0x11AEF932, 0x6DC729A1, 0x4B1D9E2F, 0xF3DCB230, 0xEC0D8652, 0xD077C1E3,
+ 0x6C2BB316, 0x99A970B9, 0xFA119448, 0x2247E964, 0xC4A8FC8C, 0x1AA0F03F, 0xD8567D2C, 0xEF223390,
+ 0xC787494E, 0xC1D938D1, 0xFE8CCAA2, 0x3698D40B, 0xCFA6F581, 0x28A57ADE, 0x26DAB78E, 0xA43FADBF,
+ 0xE42C3A9D, 0x0D507892, 0x9B6A5FCC, 0x62547E46, 0xC2F68D13, 0xE890D8B8, 0x5E2E39F7, 0xF582C3AF,
+ 0xBE9F5D80, 0x7C69D093, 0xA96FD52D, 0xB3CF2512, 0x3BC8AC99, 0xA710187D, 0x6EE89C63, 0x7BDB3BBB,
+ 0x09CD2678, 0xF46E5918, 0x01EC9AB7, 0xA8834F9A, 0x65E6956E, 0x7EAAFFE6, 0x0821BCCF, 0xE6EF15E8,
+ 0xD9BAE79B, 0xCE4A6F36, 0xD4EA9F09, 0xD629B07C, 0xAF31A4B2, 0x312A3F23, 0x30C6A594, 0xC035A266,
+ 0x37744EBC, 0xA6FC82CA, 0xB0E090D0, 0x1533A7D8, 0x4AF10498, 0xF741ECDA, 0x0E7FCD50, 0x2F1791F6,
+ 0x8D764DD6, 0x4D43EFB0, 0x54CCAA4D, 0xDFE49604, 0xE39ED1B5, 0x1B4C6A88, 0xB8C12C1F, 0x7F466551,
+ 0x049D5EEA, 0x5D018C35, 0x73FA8774, 0x2EFB0B41, 0x5AB3671D, 0x5292DBD2, 0x33E91056, 0x136DD647,
+ 0x8C9AD761, 0x7A37A10C, 0x8E59F814, 0x89EB133C, 0xEECEA927, 0x35B761C9, 0xEDE11CE5, 0x3C7A47B1,
+ 0x599CD2DF, 0x3F55F273, 0x791814CE, 0xBF73C737, 0xEA53F7CD, 0x5B5FFDAA, 0x14DF3D6F, 0x867844DB,
+ 0x81CAAFF3, 0x3EB968C4, 0x2C382434, 0x5FC2A340, 0x72161DC3, 0x0CBCE225, 0x8B283C49, 0x41FF0D95,
+ 0x7139A801, 0xDE080CB3, 0x9CD8B4E4, 0x906456C1, 0x617BCB84, 0x70D532B6, 0x74486C5C, 0x42D0B857
+ );
+
+ /**
+ * Precomputed invMixColumns table
+ *
+ * @see Crypt_Rijndael:_encryptBlock()
+ * @see Crypt_Rijndael:_decryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $dt2 = array(
+ 0xA75051F4, 0x65537E41, 0xA4C31A17, 0x5E963A27, 0x6BCB3BAB, 0x45F11F9D, 0x58ABACFA, 0x03934BE3,
+ 0xFA552030, 0x6DF6AD76, 0x769188CC, 0x4C25F502, 0xD7FC4FE5, 0xCBD7C52A, 0x44802635, 0xA38FB562,
+ 0x5A49DEB1, 0x1B6725BA, 0x0E9845EA, 0xC0E15DFE, 0x7502C32F, 0xF012814C, 0x97A38D46, 0xF9C66BD3,
+ 0x5FE7038F, 0x9C951592, 0x7AEBBF6D, 0x59DA9552, 0x832DD4BE, 0x21D35874, 0x692949E0, 0xC8448EC9,
+ 0x896A75C2, 0x7978F48E, 0x3E6B9958, 0x71DD27B9, 0x4FB6BEE1, 0xAD17F088, 0xAC66C920, 0x3AB47DCE,
+ 0x4A1863DF, 0x3182E51A, 0x33609751, 0x7F456253, 0x77E0B164, 0xAE84BB6B, 0xA01CFE81, 0x2B94F908,
+ 0x68587048, 0xFD198F45, 0x6C8794DE, 0xF8B7527B, 0xD323AB73, 0x02E2724B, 0x8F57E31F, 0xAB2A6655,
+ 0x2807B2EB, 0xC2032FB5, 0x7B9A86C5, 0x08A5D337, 0x87F23028, 0xA5B223BF, 0x6ABA0203, 0x825CED16,
+ 0x1C2B8ACF, 0xB492A779, 0xF2F0F307, 0xE2A14E69, 0xF4CD65DA, 0xBED50605, 0x621FD134, 0xFE8AC4A6,
+ 0x539D342E, 0x55A0A2F3, 0xE132058A, 0xEB75A4F6, 0xEC390B83, 0xEFAA4060, 0x9F065E71, 0x1051BD6E,
+ 0x8AF93E21, 0x063D96DD, 0x05AEDD3E, 0xBD464DE6, 0x8DB59154, 0x5D0571C4, 0xD46F0406, 0x15FF6050,
+ 0xFB241998, 0xE997D6BD, 0x43CC8940, 0x9E7767D9, 0x42BDB0E8, 0x8B880789, 0x5B38E719, 0xEEDB79C8,
+ 0x0A47A17C, 0x0FE97C42, 0x1EC9F884, 0x00000000, 0x86830980, 0xED48322B, 0x70AC1E11, 0x724E6C5A,
+ 0xFFFBFD0E, 0x38560F85, 0xD51E3DAE, 0x3927362D, 0xD9640A0F, 0xA621685C, 0x54D19B5B, 0x2E3A2436,
+ 0x67B10C0A, 0xE70F9357, 0x96D2B4EE, 0x919E1B9B, 0xC54F80C0, 0x20A261DC, 0x4B695A77, 0x1A161C12,
+ 0xBA0AE293, 0x2AE5C0A0, 0xE0433C22, 0x171D121B, 0x0D0B0E09, 0xC7ADF28B, 0xA8B92DB6, 0xA9C8141E,
+ 0x198557F1, 0x074CAF75, 0xDDBBEE99, 0x60FDA37F, 0x269FF701, 0xF5BC5C72, 0x3BC54466, 0x7E345BFB,
+ 0x29768B43, 0xC6DCCB23, 0xFC68B6ED, 0xF163B8E4, 0xDCCAD731, 0x85104263, 0x22401397, 0x112084C6,
+ 0x247D854A, 0x3DF8D2BB, 0x3211AEF9, 0xA16DC729, 0x2F4B1D9E, 0x30F3DCB2, 0x52EC0D86, 0xE3D077C1,
+ 0x166C2BB3, 0xB999A970, 0x48FA1194, 0x642247E9, 0x8CC4A8FC, 0x3F1AA0F0, 0x2CD8567D, 0x90EF2233,
+ 0x4EC78749, 0xD1C1D938, 0xA2FE8CCA, 0x0B3698D4, 0x81CFA6F5, 0xDE28A57A, 0x8E26DAB7, 0xBFA43FAD,
+ 0x9DE42C3A, 0x920D5078, 0xCC9B6A5F, 0x4662547E, 0x13C2F68D, 0xB8E890D8, 0xF75E2E39, 0xAFF582C3,
+ 0x80BE9F5D, 0x937C69D0, 0x2DA96FD5, 0x12B3CF25, 0x993BC8AC, 0x7DA71018, 0x636EE89C, 0xBB7BDB3B,
+ 0x7809CD26, 0x18F46E59, 0xB701EC9A, 0x9AA8834F, 0x6E65E695, 0xE67EAAFF, 0xCF0821BC, 0xE8E6EF15,
+ 0x9BD9BAE7, 0x36CE4A6F, 0x09D4EA9F, 0x7CD629B0, 0xB2AF31A4, 0x23312A3F, 0x9430C6A5, 0x66C035A2,
+ 0xBC37744E, 0xCAA6FC82, 0xD0B0E090, 0xD81533A7, 0x984AF104, 0xDAF741EC, 0x500E7FCD, 0xF62F1791,
+ 0xD68D764D, 0xB04D43EF, 0x4D54CCAA, 0x04DFE496, 0xB5E39ED1, 0x881B4C6A, 0x1FB8C12C, 0x517F4665,
+ 0xEA049D5E, 0x355D018C, 0x7473FA87, 0x412EFB0B, 0x1D5AB367, 0xD25292DB, 0x5633E910, 0x47136DD6,
+ 0x618C9AD7, 0x0C7A37A1, 0x148E59F8, 0x3C89EB13, 0x27EECEA9, 0xC935B761, 0xE5EDE11C, 0xB13C7A47,
+ 0xDF599CD2, 0x733F55F2, 0xCE791814, 0x37BF73C7, 0xCDEA53F7, 0xAA5B5FFD, 0x6F14DF3D, 0xDB867844,
+ 0xF381CAAF, 0xC43EB968, 0x342C3824, 0x405FC2A3, 0xC372161D, 0x250CBCE2, 0x498B283C, 0x9541FF0D,
+ 0x017139A8, 0xB3DE080C, 0xE49CD8B4, 0xC1906456, 0x84617BCB, 0xB670D532, 0x5C74486C, 0x5742D0B8
+ );
+
+ /**
+ * Precomputed invMixColumns table
+ *
+ * @see Crypt_Rijndael:_encryptBlock()
+ * @see Crypt_Rijndael:_decryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $dt3 = array(
+ 0xF4A75051, 0x4165537E, 0x17A4C31A, 0x275E963A, 0xAB6BCB3B, 0x9D45F11F, 0xFA58ABAC, 0xE303934B,
+ 0x30FA5520, 0x766DF6AD, 0xCC769188, 0x024C25F5, 0xE5D7FC4F, 0x2ACBD7C5, 0x35448026, 0x62A38FB5,
+ 0xB15A49DE, 0xBA1B6725, 0xEA0E9845, 0xFEC0E15D, 0x2F7502C3, 0x4CF01281, 0x4697A38D, 0xD3F9C66B,
+ 0x8F5FE703, 0x929C9515, 0x6D7AEBBF, 0x5259DA95, 0xBE832DD4, 0x7421D358, 0xE0692949, 0xC9C8448E,
+ 0xC2896A75, 0x8E7978F4, 0x583E6B99, 0xB971DD27, 0xE14FB6BE, 0x88AD17F0, 0x20AC66C9, 0xCE3AB47D,
+ 0xDF4A1863, 0x1A3182E5, 0x51336097, 0x537F4562, 0x6477E0B1, 0x6BAE84BB, 0x81A01CFE, 0x082B94F9,
+ 0x48685870, 0x45FD198F, 0xDE6C8794, 0x7BF8B752, 0x73D323AB, 0x4B02E272, 0x1F8F57E3, 0x55AB2A66,
+ 0xEB2807B2, 0xB5C2032F, 0xC57B9A86, 0x3708A5D3, 0x2887F230, 0xBFA5B223, 0x036ABA02, 0x16825CED,
+ 0xCF1C2B8A, 0x79B492A7, 0x07F2F0F3, 0x69E2A14E, 0xDAF4CD65, 0x05BED506, 0x34621FD1, 0xA6FE8AC4,
+ 0x2E539D34, 0xF355A0A2, 0x8AE13205, 0xF6EB75A4, 0x83EC390B, 0x60EFAA40, 0x719F065E, 0x6E1051BD,
+ 0x218AF93E, 0xDD063D96, 0x3E05AEDD, 0xE6BD464D, 0x548DB591, 0xC45D0571, 0x06D46F04, 0x5015FF60,
+ 0x98FB2419, 0xBDE997D6, 0x4043CC89, 0xD99E7767, 0xE842BDB0, 0x898B8807, 0x195B38E7, 0xC8EEDB79,
+ 0x7C0A47A1, 0x420FE97C, 0x841EC9F8, 0x00000000, 0x80868309, 0x2BED4832, 0x1170AC1E, 0x5A724E6C,
+ 0x0EFFFBFD, 0x8538560F, 0xAED51E3D, 0x2D392736, 0x0FD9640A, 0x5CA62168, 0x5B54D19B, 0x362E3A24,
+ 0x0A67B10C, 0x57E70F93, 0xEE96D2B4, 0x9B919E1B, 0xC0C54F80, 0xDC20A261, 0x774B695A, 0x121A161C,
+ 0x93BA0AE2, 0xA02AE5C0, 0x22E0433C, 0x1B171D12, 0x090D0B0E, 0x8BC7ADF2, 0xB6A8B92D, 0x1EA9C814,
+ 0xF1198557, 0x75074CAF, 0x99DDBBEE, 0x7F60FDA3, 0x01269FF7, 0x72F5BC5C, 0x663BC544, 0xFB7E345B,
+ 0x4329768B, 0x23C6DCCB, 0xEDFC68B6, 0xE4F163B8, 0x31DCCAD7, 0x63851042, 0x97224013, 0xC6112084,
+ 0x4A247D85, 0xBB3DF8D2, 0xF93211AE, 0x29A16DC7, 0x9E2F4B1D, 0xB230F3DC, 0x8652EC0D, 0xC1E3D077,
+ 0xB3166C2B, 0x70B999A9, 0x9448FA11, 0xE9642247, 0xFC8CC4A8, 0xF03F1AA0, 0x7D2CD856, 0x3390EF22,
+ 0x494EC787, 0x38D1C1D9, 0xCAA2FE8C, 0xD40B3698, 0xF581CFA6, 0x7ADE28A5, 0xB78E26DA, 0xADBFA43F,
+ 0x3A9DE42C, 0x78920D50, 0x5FCC9B6A, 0x7E466254, 0x8D13C2F6, 0xD8B8E890, 0x39F75E2E, 0xC3AFF582,
+ 0x5D80BE9F, 0xD0937C69, 0xD52DA96F, 0x2512B3CF, 0xAC993BC8, 0x187DA710, 0x9C636EE8, 0x3BBB7BDB,
+ 0x267809CD, 0x5918F46E, 0x9AB701EC, 0x4F9AA883, 0x956E65E6, 0xFFE67EAA, 0xBCCF0821, 0x15E8E6EF,
+ 0xE79BD9BA, 0x6F36CE4A, 0x9F09D4EA, 0xB07CD629, 0xA4B2AF31, 0x3F23312A, 0xA59430C6, 0xA266C035,
+ 0x4EBC3774, 0x82CAA6FC, 0x90D0B0E0, 0xA7D81533, 0x04984AF1, 0xECDAF741, 0xCD500E7F, 0x91F62F17,
+ 0x4DD68D76, 0xEFB04D43, 0xAA4D54CC, 0x9604DFE4, 0xD1B5E39E, 0x6A881B4C, 0x2C1FB8C1, 0x65517F46,
+ 0x5EEA049D, 0x8C355D01, 0x877473FA, 0x0B412EFB, 0x671D5AB3, 0xDBD25292, 0x105633E9, 0xD647136D,
+ 0xD7618C9A, 0xA10C7A37, 0xF8148E59, 0x133C89EB, 0xA927EECE, 0x61C935B7, 0x1CE5EDE1, 0x47B13C7A,
+ 0xD2DF599C, 0xF2733F55, 0x14CE7918, 0xC737BF73, 0xF7CDEA53, 0xFDAA5B5F, 0x3D6F14DF, 0x44DB8678,
+ 0xAFF381CA, 0x68C43EB9, 0x24342C38, 0xA3405FC2, 0x1DC37216, 0xE2250CBC, 0x3C498B28, 0x0D9541FF,
+ 0xA8017139, 0x0CB3DE08, 0xB4E49CD8, 0x56C19064, 0xCB84617B, 0x32B670D5, 0x6C5C7448, 0xB85742D0
+ );
+
+ /**
+ * The SubByte S-Box
+ *
+ * @see Crypt_Rijndael::_encryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $sbox = array(
+ 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
+ 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
+ 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
+ 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
+ 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
+ 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
+ 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
+ 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
+ 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
+ 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
+ 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
+ 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
+ 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
+ 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
+ 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
+ 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
+ );
+
+ /**
+ * The inverse SubByte S-Box
+ *
+ * @see Crypt_Rijndael::_decryptBlock()
+ * @var Array
+ * @access private
+ */
+ var $isbox = array(
+ 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
+ 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
+ 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
+ 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
+ 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
+ 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
+ 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
+ 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
+ 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
+ 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
+ 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
+ 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
+ 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
+ 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
+ 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
+ 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
+ );
+
+ /**
+ * Sets the key.
+ *
+ * Keys can be of any length. Rijndael, itself, requires the use of a key that's between 128-bits and 256-bits long and
+ * whose length is a multiple of 32. If the key is less than 256-bits and the key length isn't set, we round the length
+ * up to the closest valid key length, padding $key with null bytes. If the key is more than 256-bits, we trim the
+ * excess bits.
+ *
+ * If the key is not explicitly set, it'll be assumed to be all null bytes.
+ *
+ * Note: 160/224-bit keys must explicitly set by setKeyLength(), otherwise they will be round/pad up to 192/256 bits.
+ *
+ * @see Crypt_Base:setKey()
+ * @see setKeyLength()
+ * @access public
+ * @param String $key
+ */
+ function setKey($key)
+ {
+ parent::setKey($key);
+
+ if (!$this->explicit_key_length) {
+ $length = strlen($key);
+ switch (true) {
+ case $length <= 16:
+ $this->key_size = 16;
+ break;
+ case $length <= 24:
+ $this->key_size = 24;
+ break;
+ default:
+ $this->key_size = 32;
+ }
+ $this->_setupEngine();
+ }
+ }
+
+ /**
+ * Sets the key length
+ *
+ * Valid key lengths are 128, 160, 192, 224, and 256. If the length is less than 128, it will be rounded up to
+ * 128. If the length is greater than 128 and invalid, it will be rounded down to the closest valid amount.
+ *
+ * Note: phpseclib extends Rijndael (and AES) for using 160- and 224-bit keys but they are officially not defined
+ * and the most (if not all) implementations are not able using 160/224-bit keys but round/pad them up to
+ * 192/256 bits as, for example, mcrypt will do.
+ *
+ * That said, if you want be compatible with other Rijndael and AES implementations,
+ * you should not setKeyLength(160) or setKeyLength(224).
+ *
+ * Additional: In case of 160- and 224-bit keys, phpseclib will/can, for that reason, not use
+ * the mcrypt php extension, even if available.
+ * This results then in slower encryption.
+ *
+ * @access public
+ * @param Integer $length
+ */
+ function setKeyLength($length)
+ {
+ switch (true) {
+ case $length == 160:
+ $this->key_size = 20;
+ break;
+ case $length == 224:
+ $this->key_size = 28;
+ break;
+ case $length <= 128:
+ $this->key_size = 16;
+ break;
+ case $length <= 192:
+ $this->key_size = 24;
+ break;
+ default:
+ $this->key_size = 32;
+ }
+
+ $this->explicit_key_length = true;
+ $this->changed = true;
+ $this->_setupEngine();
+ }
+
+ /**
+ * Sets the block length
+ *
+ * Valid block lengths are 128, 160, 192, 224, and 256. If the length is less than 128, it will be rounded up to
+ * 128. If the length is greater than 128 and invalid, it will be rounded down to the closest valid amount.
+ *
+ * @access public
+ * @param Integer $length
+ */
+ function setBlockLength($length)
+ {
+ $length >>= 5;
+ if ($length > 8) {
+ $length = 8;
+ } else if ($length < 4) {
+ $length = 4;
+ }
+ $this->Nb = $length;
+ $this->block_size = $length << 2;
+ $this->changed = true;
+ $this->_setupEngine();
+ }
+
+ /**
+ * Setup the fastest possible $engine
+ *
+ * Determines if the mcrypt (MODE_MCRYPT) $engine available
+ * and usable for the current $block_size and $key_size.
+ *
+ * If not, the slower MODE_INTERNAL $engine will be set.
+ *
+ * @see setKey()
+ * @see setKeyLength()
+ * @see setBlockLength()
+ * @access private
+ */
+ function _setupEngine()
+ {
+ if (constant('CRYPT_' . $this->const_namespace . '_MODE') == CRYPT_MODE_INTERNAL) {
+ // No mcrypt support at all for rijndael
+ return;
+ }
+
+ // The required mcrypt module name for the current $block_size of rijndael
+ $cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3);
+
+ // Determining the availibility/usability of $cipher_name_mcrypt
+ switch (true) {
+ case $this->key_size % 8: // mcrypt is not usable for 160/224-bit keys, only for 128/192/256-bit keys
+ case !in_array($cipher_name_mcrypt, mcrypt_list_algorithms()): // $cipher_name_mcrypt is not available for the current $block_size
+ $engine = CRYPT_MODE_INTERNAL;
+ break;
+ default:
+ $engine = CRYPT_MODE_MCRYPT;
+ }
+
+ if ($this->engine == $engine && $this->cipher_name_mcrypt == $cipher_name_mcrypt) {
+ // allready set, so we not unnecessary close $this->enmcrypt/demcrypt/ecb
+ return;
+ }
+
+ // Set the $engine
+ $this->engine = $engine;
+ $this->cipher_name_mcrypt = $cipher_name_mcrypt;
+
+ if ($this->enmcrypt) {
+ // Closing the current mcrypt resource(s). _mcryptSetup() will, if needed,
+ // (re)open them with the module named in $this->cipher_name_mcrypt
+ mcrypt_module_close($this->enmcrypt);
+ mcrypt_module_close($this->demcrypt);
+ $this->enmcrypt = null;
+ $this->demcrypt = null;
+
+ if ($this->ecb) {
+ mcrypt_module_close($this->ecb);
+ $this->ecb = null;
+ }
+ }
+ }
+
+ /**
+ * Setup the CRYPT_MODE_MCRYPT $engine
+ *
+ * @see Crypt_Base::_setupMcrypt()
+ * @access private
+ */
+ function _setupMcrypt()
+ {
+ $this->key = str_pad(substr($this->key, 0, $this->key_size), $this->key_size, "\0");
+ parent::_setupMcrypt();
+ }
+
+ /**
+ * Encrypts a block
+ *
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _encryptBlock($in)
+ {
+ static $t0, $t1, $t2, $t3, $sbox;
+ if (!$t0) {
+ for ($i = 0; $i < 256; ++$i) {
+ $t0[] = (int)$this->t0[$i];
+ $t1[] = (int)$this->t1[$i];
+ $t2[] = (int)$this->t2[$i];
+ $t3[] = (int)$this->t3[$i];
+ $sbox[] = (int)$this->sbox[$i];
+ }
+ }
+
+ $state = array();
+ $words = unpack('N*', $in);
+
+ $c = $this->c;
+ $w = $this->w;
+ $Nb = $this->Nb;
+ $Nr = $this->Nr;
+
+ // addRoundKey
+ $i = -1;
+ foreach ($words as $word) {
+ $state[] = $word ^ $w[0][++$i];
+ }
+
+ // fips-197.pdf#page=19, "Figure 5. Pseudo Code for the Cipher", states that this loop has four components -
+ // subBytes, shiftRows, mixColumns, and addRoundKey. fips-197.pdf#page=30, "Implementation Suggestions Regarding
+ // Various Platforms" suggests that performs enhanced implementations are described in Rijndael-ammended.pdf.
+ // Rijndael-ammended.pdf#page=20, "Implementation aspects / 32-bit processor", discusses such an optimization.
+ // Unfortunately, the description given there is not quite correct. Per aes.spec.v316.pdf#page=19 [1],
+ // equation (7.4.7) is supposed to use addition instead of subtraction, so we'll do that here, as well.
+
+ // [1] http://fp.gladman.plus.com/cryptography_technology/rijndael/aes.spec.v316.pdf
+ $temp = array();
+ for ($round = 1; $round < $Nr; ++$round) {
+ $i = 0; // $c[0] == 0
+ $j = $c[1];
+ $k = $c[2];
+ $l = $c[3];
+
+ while ($i < $Nb) {
+ $temp[$i] = $t0[$state[$i] >> 24 & 0x000000FF] ^
+ $t1[$state[$j] >> 16 & 0x000000FF] ^
+ $t2[$state[$k] >> 8 & 0x000000FF] ^
+ $t3[$state[$l] & 0x000000FF] ^
+ $w[$round][$i];
+ ++$i;
+ $j = ($j + 1) % $Nb;
+ $k = ($k + 1) % $Nb;
+ $l = ($l + 1) % $Nb;
+ }
+ $state = $temp;
+ }
+
+ // subWord
+ for ($i = 0; $i < $Nb; ++$i) {
+ $state[$i] = $sbox[$state[$i] & 0x000000FF] |
+ ($sbox[$state[$i] >> 8 & 0x000000FF] << 8) |
+ ($sbox[$state[$i] >> 16 & 0x000000FF] << 16) |
+ ($sbox[$state[$i] >> 24 & 0x000000FF] << 24);
+ }
+
+ // shiftRows + addRoundKey
+ $i = 0; // $c[0] == 0
+ $j = $c[1];
+ $k = $c[2];
+ $l = $c[3];
+ while ($i < $Nb) {
+ $temp[$i] = ($state[$i] & 0xFF000000) ^
+ ($state[$j] & 0x00FF0000) ^
+ ($state[$k] & 0x0000FF00) ^
+ ($state[$l] & 0x000000FF) ^
+ $w[$Nr][$i];
+ ++$i;
+ $j = ($j + 1) % $Nb;
+ $k = ($k + 1) % $Nb;
+ $l = ($l + 1) % $Nb;
+ }
+
+ switch ($Nb) {
+ case 8:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6], $temp[7]);
+ case 7:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6]);
+ case 6:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5]);
+ case 5:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4]);
+ default:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3]);
+ }
+ }
+
+ /**
+ * Decrypts a block
+ *
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _decryptBlock($in)
+ {
+ static $dt0, $dt1, $dt2, $dt3, $isbox;
+ if (!$dt0) {
+ for ($i = 0; $i < 256; ++$i) {
+ $dt0[] = (int)$this->dt0[$i];
+ $dt1[] = (int)$this->dt1[$i];
+ $dt2[] = (int)$this->dt2[$i];
+ $dt3[] = (int)$this->dt3[$i];
+ $isbox[] = (int)$this->isbox[$i];
+ }
+ }
+
+ $state = array();
+ $words = unpack('N*', $in);
+
+ $c = $this->c;
+ $dw = $this->dw;
+ $Nb = $this->Nb;
+ $Nr = $this->Nr;
+
+ // addRoundKey
+ $i = -1;
+ foreach ($words as $word) {
+ $state[] = $word ^ $dw[$Nr][++$i];
+ }
+
+ $temp = array();
+ for ($round = $Nr - 1; $round > 0; --$round) {
+ $i = 0; // $c[0] == 0
+ $j = $Nb - $c[1];
+ $k = $Nb - $c[2];
+ $l = $Nb - $c[3];
+
+ while ($i < $Nb) {
+ $temp[$i] = $dt0[$state[$i] >> 24 & 0x000000FF] ^
+ $dt1[$state[$j] >> 16 & 0x000000FF] ^
+ $dt2[$state[$k] >> 8 & 0x000000FF] ^
+ $dt3[$state[$l] & 0x000000FF] ^
+ $dw[$round][$i];
+ ++$i;
+ $j = ($j + 1) % $Nb;
+ $k = ($k + 1) % $Nb;
+ $l = ($l + 1) % $Nb;
+ }
+ $state = $temp;
+ }
+
+ // invShiftRows + invSubWord + addRoundKey
+ $i = 0; // $c[0] == 0
+ $j = $Nb - $c[1];
+ $k = $Nb - $c[2];
+ $l = $Nb - $c[3];
+
+ while ($i < $Nb) {
+ $word = ($state[$i] & 0xFF000000) |
+ ($state[$j] & 0x00FF0000) |
+ ($state[$k] & 0x0000FF00) |
+ ($state[$l] & 0x000000FF);
+
+ $temp[$i] = $dw[0][$i] ^ ($isbox[$word & 0x000000FF] |
+ ($isbox[$word >> 8 & 0x000000FF] << 8) |
+ ($isbox[$word >> 16 & 0x000000FF] << 16) |
+ ($isbox[$word >> 24 & 0x000000FF] << 24));
+ ++$i;
+ $j = ($j + 1) % $Nb;
+ $k = ($k + 1) % $Nb;
+ $l = ($l + 1) % $Nb;
+ }
+
+ switch ($Nb) {
+ case 8:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6], $temp[7]);
+ case 7:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6]);
+ case 6:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5]);
+ case 5:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4]);
+ default:
+ return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3]);
+ }
+ }
+
+ /**
+ * Setup the key (expansion)
+ *
+ * @see Crypt_Base::_setupKey()
+ * @access private
+ */
+ function _setupKey()
+ {
+ // Each number in $rcon is equal to the previous number multiplied by two in Rijndael's finite field.
+ // See http://en.wikipedia.org/wiki/Finite_field_arithmetic#Multiplicative_inverse
+ static $rcon = array(0,
+ 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000,
+ 0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000,
+ 0x6C000000, 0xD8000000, 0xAB000000, 0x4D000000, 0x9A000000,
+ 0x2F000000, 0x5E000000, 0xBC000000, 0x63000000, 0xC6000000,
+ 0x97000000, 0x35000000, 0x6A000000, 0xD4000000, 0xB3000000,
+ 0x7D000000, 0xFA000000, 0xEF000000, 0xC5000000, 0x91000000
+ );
+
+ $this->key = str_pad(substr($this->key, 0, $this->key_size), $this->key_size, "\0");
+
+ if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->key_size === $this->kl['key_size'] && $this->block_size === $this->kl['block_size']) {
+ // already expanded
+ return;
+ }
+ $this->kl = array('key' => $this->key, 'key_size' => $this->key_size, 'block_size' => $this->block_size);
+
+ $this->Nk = $this->key_size >> 2;
+ // see Rijndael-ammended.pdf#page=44
+ $this->Nr = max($this->Nk, $this->Nb) + 6;
+
+ // shift offsets for Nb = 5, 7 are defined in Rijndael-ammended.pdf#page=44,
+ // "Table 8: Shift offsets in Shiftrow for the alternative block lengths"
+ // shift offsets for Nb = 4, 6, 8 are defined in Rijndael-ammended.pdf#page=14,
+ // "Table 2: Shift offsets for different block lengths"
+ switch ($this->Nb) {
+ case 4:
+ case 5:
+ case 6:
+ $this->c = array(0, 1, 2, 3);
+ break;
+ case 7:
+ $this->c = array(0, 1, 2, 4);
+ break;
+ case 8:
+ $this->c = array(0, 1, 3, 4);
+ }
+
+ $w = array_values(unpack('N*words', $this->key));
+
+ $length = $this->Nb * ($this->Nr + 1);
+ for ($i = $this->Nk; $i < $length; $i++) {
+ $temp = $w[$i - 1];
+ if ($i % $this->Nk == 0) {
+ // according to <http://php.net/language.types.integer>, "the size of an integer is platform-dependent".
+ // on a 32-bit machine, it's 32-bits, and on a 64-bit machine, it's 64-bits. on a 32-bit machine,
+ // 0xFFFFFFFF << 8 == 0xFFFFFF00, but on a 64-bit machine, it equals 0xFFFFFFFF00. as such, doing 'and'
+ // with 0xFFFFFFFF (or 0xFFFFFF00) on a 32-bit machine is unnecessary, but on a 64-bit machine, it is.
+ $temp = (($temp << 8) & 0xFFFFFF00) | (($temp >> 24) & 0x000000FF); // rotWord
+ $temp = $this->_subWord($temp) ^ $rcon[$i / $this->Nk];
+ } else if ($this->Nk > 6 && $i % $this->Nk == 4) {
+ $temp = $this->_subWord($temp);
+ }
+ $w[$i] = $w[$i - $this->Nk] ^ $temp;
+ }
+
+ // convert the key schedule from a vector of $Nb * ($Nr + 1) length to a matrix with $Nr + 1 rows and $Nb columns
+ // and generate the inverse key schedule. more specifically,
+ // according to <http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf#page=23> (section 5.3.3),
+ // "The key expansion for the Inverse Cipher is defined as follows:
+ // 1. Apply the Key Expansion.
+ // 2. Apply InvMixColumn to all Round Keys except the first and the last one."
+ // also, see fips-197.pdf#page=27, "5.3.5 Equivalent Inverse Cipher"
+ $temp = $this->w = $this->dw = array();
+ for ($i = $row = $col = 0; $i < $length; $i++, $col++) {
+ if ($col == $this->Nb) {
+ if ($row == 0) {
+ $this->dw[0] = $this->w[0];
+ } else {
+ // subWord + invMixColumn + invSubWord = invMixColumn
+ $j = 0;
+ while ($j < $this->Nb) {
+ $dw = $this->_subWord($this->w[$row][$j]);
+ $temp[$j] = $this->dt0[$dw >> 24 & 0x000000FF] ^
+ $this->dt1[$dw >> 16 & 0x000000FF] ^
+ $this->dt2[$dw >> 8 & 0x000000FF] ^
+ $this->dt3[$dw & 0x000000FF];
+ $j++;
+ }
+ $this->dw[$row] = $temp;
+ }
+
+ $col = 0;
+ $row++;
+ }
+ $this->w[$row][$col] = $w[$i];
+ }
+
+ $this->dw[$row] = $this->w[$row];
+
+ // In case of $this->use_inline_crypt === true we have to use 1-dim key arrays (both ascending)
+ if ($this->use_inline_crypt) {
+ $this->dw = array_reverse($this->dw);
+ $w = array_pop($this->w);
+ $dw = array_pop($this->dw);
+ foreach ($this->w as $r => $wr) {
+ foreach ($wr as $c => $wc) {
+ $w[] = $wc;
+ $dw[] = $this->dw[$r][$c];
+ }
+ }
+ $this->w = $w;
+ $this->dw = $dw;
+ }
+ }
+
+ /**
+ * Performs S-Box substitutions
+ *
+ * @access private
+ * @param Integer $word
+ */
+ function _subWord($word)
+ {
+ $sbox = $this->sbox;
+
+ return $sbox[$word & 0x000000FF] |
+ ($sbox[$word >> 8 & 0x000000FF] << 8) |
+ ($sbox[$word >> 16 & 0x000000FF] << 16) |
+ ($sbox[$word >> 24 & 0x000000FF] << 24);
+ }
+
+ /**
+ * Setup the performance-optimized function for de/encrypt()
+ *
+ * @see Crypt_Base::_setupInlineCrypt()
+ * @access private
+ */
+ function _setupInlineCrypt()
+ {
+ // Note: _setupInlineCrypt() will be called only if $this->changed === true
+ // So here we are'nt under the same heavy timing-stress as we are in _de/encryptBlock() or de/encrypt().
+ // However...the here generated function- $code, stored as php callback in $this->inline_crypt, must work as fast as even possible.
+
+ $lambda_functions =& Crypt_Rijndael::_getLambdaFunctions();
+
+ // The first 10 generated $lambda_functions will use the key-words hardcoded for better performance.
+ // For memory reason we limit those ultra-optimized functions.
+ // After that, we use pure (extracted) integer vars for the key-words which is faster than accessing them via array.
+ if (count($lambda_functions) < 10) {
+ $w = $this->w;
+ $dw = $this->dw;
+ $init_encrypt = '';
+ $init_decrypt = '';
+ } else {
+ for ($i = 0, $cw = count($this->w); $i < $cw; ++$i) {
+ $w[] = '$w[' . $i . ']';
+ $dw[] = '$dw[' . $i . ']';
+ }
+ $init_encrypt = '$w = $self->w;';
+ $init_decrypt = '$dw = $self->dw;';
+ }
+
+ $code_hash = md5(str_pad("Crypt_Rijndael, {$this->mode}, {$this->block_size}, ", 32, "\0") . implode(',', $w));
+
+ if (!isset($lambda_functions[$code_hash])) {
+ $Nr = $this->Nr;
+ $Nb = $this->Nb;
+ $c = $this->c;
+
+ // Generating encrypt code:
+ $init_encrypt.= '
+ static $t0, $t1, $t2, $t3, $sbox;
+ if (!$t0) {
+ for ($i = 0; $i < 256; ++$i) {
+ $t0[$i] = (int)$self->t0[$i];
+ $t1[$i] = (int)$self->t1[$i];
+ $t2[$i] = (int)$self->t2[$i];
+ $t3[$i] = (int)$self->t3[$i];
+ $sbox[$i] = (int)$self->sbox[$i];
+ }
+ }
+ ';
+
+ $s = 'e';
+ $e = 's';
+ $wc = $Nb - 1;
+
+ // Preround: addRoundKey
+ $encrypt_block = '$in = unpack("N*", $in);'."\n";
+ for ($i = 0; $i < $Nb; ++$i) {
+ $encrypt_block .= '$s'.$i.' = $in['.($i + 1).'] ^ '.$w[++$wc].";\n";
+ }
+
+ // Mainrounds: shiftRows + subWord + mixColumns + addRoundKey
+ for ($round = 1; $round < $Nr; ++$round) {
+ list($s, $e) = array($e, $s);
+ for ($i = 0; $i < $Nb; ++$i) {
+ $encrypt_block.=
+ '$'.$e.$i.' =
+ $t0[($'.$s.$i .' >> 24) & 0xff] ^
+ $t1[($'.$s.(($i + $c[1]) % $Nb).' >> 16) & 0xff] ^
+ $t2[($'.$s.(($i + $c[2]) % $Nb).' >> 8) & 0xff] ^
+ $t3[ $'.$s.(($i + $c[3]) % $Nb).' & 0xff] ^
+ '.$w[++$wc].";\n";
+ }
+ }
+
+ // Finalround: subWord + shiftRows + addRoundKey
+ for ($i = 0; $i < $Nb; ++$i) {
+ $encrypt_block.=
+ '$'.$e.$i.' =
+ $sbox[ $'.$e.$i.' & 0xff] |
+ ($sbox[($'.$e.$i.' >> 8) & 0xff] << 8) |
+ ($sbox[($'.$e.$i.' >> 16) & 0xff] << 16) |
+ ($sbox[($'.$e.$i.' >> 24) & 0xff] << 24);'."\n";
+ }
+ $encrypt_block .= '$in = pack("N*"'."\n";
+ for ($i = 0; $i < $Nb; ++$i) {
+ $encrypt_block.= ',
+ ($'.$e.$i .' & 0xFF000000) ^
+ ($'.$e.(($i + $c[1]) % $Nb).' & 0x00FF0000) ^
+ ($'.$e.(($i + $c[2]) % $Nb).' & 0x0000FF00) ^
+ ($'.$e.(($i + $c[3]) % $Nb).' & 0x000000FF) ^
+ '.$w[$i]."\n";
+ }
+ $encrypt_block .= ');';
+
+ // Generating decrypt code:
+ $init_decrypt.= '
+ static $dt0, $dt1, $dt2, $dt3, $isbox;
+ if (!$dt0) {
+ for ($i = 0; $i < 256; ++$i) {
+ $dt0[$i] = (int)$self->dt0[$i];
+ $dt1[$i] = (int)$self->dt1[$i];
+ $dt2[$i] = (int)$self->dt2[$i];
+ $dt3[$i] = (int)$self->dt3[$i];
+ $isbox[$i] = (int)$self->isbox[$i];
+ }
+ }
+ ';
+
+ $s = 'e';
+ $e = 's';
+ $wc = $Nb - 1;
+
+ // Preround: addRoundKey
+ $decrypt_block = '$in = unpack("N*", $in);'."\n";
+ for ($i = 0; $i < $Nb; ++$i) {
+ $decrypt_block .= '$s'.$i.' = $in['.($i + 1).'] ^ '.$dw[++$wc].';'."\n";
+ }
+
+ // Mainrounds: shiftRows + subWord + mixColumns + addRoundKey
+ for ($round = 1; $round < $Nr; ++$round) {
+ list($s, $e) = array($e, $s);
+ for ($i = 0; $i < $Nb; ++$i) {
+ $decrypt_block.=
+ '$'.$e.$i.' =
+ $dt0[($'.$s.$i .' >> 24) & 0xff] ^
+ $dt1[($'.$s.(($Nb + $i - $c[1]) % $Nb).' >> 16) & 0xff] ^
+ $dt2[($'.$s.(($Nb + $i - $c[2]) % $Nb).' >> 8) & 0xff] ^
+ $dt3[ $'.$s.(($Nb + $i - $c[3]) % $Nb).' & 0xff] ^
+ '.$dw[++$wc].";\n";
+ }
+ }
+
+ // Finalround: subWord + shiftRows + addRoundKey
+ for ($i = 0; $i < $Nb; ++$i) {
+ $decrypt_block.=
+ '$'.$e.$i.' =
+ $isbox[ $'.$e.$i.' & 0xff] |
+ ($isbox[($'.$e.$i.' >> 8) & 0xff] << 8) |
+ ($isbox[($'.$e.$i.' >> 16) & 0xff] << 16) |
+ ($isbox[($'.$e.$i.' >> 24) & 0xff] << 24);'."\n";
+ }
+ $decrypt_block .= '$in = pack("N*"'."\n";
+ for ($i = 0; $i < $Nb; ++$i) {
+ $decrypt_block.= ',
+ ($'.$e.$i. ' & 0xFF000000) ^
+ ($'.$e.(($Nb + $i - $c[1]) % $Nb).' & 0x00FF0000) ^
+ ($'.$e.(($Nb + $i - $c[2]) % $Nb).' & 0x0000FF00) ^
+ ($'.$e.(($Nb + $i - $c[3]) % $Nb).' & 0x000000FF) ^
+ '.$dw[$i]."\n";
+ }
+ $decrypt_block .= ');';
+
+ $lambda_functions[$code_hash] = $this->_createInlineCryptFunction(
+ array(
+ 'init_crypt' => '',
+ 'init_encrypt' => $init_encrypt,
+ 'init_decrypt' => $init_decrypt,
+ 'encrypt_block' => $encrypt_block,
+ 'decrypt_block' => $decrypt_block
+ )
+ );
+ }
+ $this->inline_crypt = $lambda_functions[$code_hash];
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/TripleDES.php b/libs/phpseclib-0.3.7/Crypt/TripleDES.php new file mode 100644 index 0000000..175b3ac --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/TripleDES.php @@ -0,0 +1,428 @@ +<?php
+
+/**
+ * Pure-PHP implementation of Triple DES.
+ *
+ * Uses mcrypt, if available, and an internal implementation, otherwise. Operates in the EDE3 mode (encrypt-decrypt-encrypt).
+ *
+ * PHP versions 4 and 5
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/TripleDES.php';
+ *
+ * $des = new Crypt_TripleDES();
+ *
+ * $des->setKey('abcdefghijklmnopqrstuvwx');
+ *
+ * $size = 10 * 1024;
+ * $plaintext = '';
+ * for ($i = 0; $i < $size; $i++) {
+ * $plaintext.= 'a';
+ * }
+ *
+ * echo $des->decrypt($des->encrypt($plaintext));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_TripleDES
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_DES
+ */
+if (!class_exists('Crypt_DES')) {
+ include_once 'DES.php';
+}
+
+/**
+ * Encrypt / decrypt using inner chaining
+ *
+ * Inner chaining is used by SSH-1 and is generally considered to be less secure then outer chaining (CRYPT_DES_MODE_CBC3).
+ */
+define('CRYPT_DES_MODE_3CBC', -2);
+
+/**
+ * Encrypt / decrypt using outer chaining
+ *
+ * Outer chaining is used by SSH-2 and when the mode is set to CRYPT_DES_MODE_CBC.
+ */
+define('CRYPT_DES_MODE_CBC3', CRYPT_DES_MODE_CBC);
+
+/**
+ * Pure-PHP implementation of Triple DES.
+ *
+ * @package Crypt_TripleDES
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Crypt_TripleDES extends Crypt_DES
+{
+ /**
+ * The default password key_size used by setPassword()
+ *
+ * @see Crypt_DES::password_key_size
+ * @see Crypt_Base::password_key_size
+ * @see Crypt_Base::setPassword()
+ * @var Integer
+ * @access private
+ */
+ var $password_key_size = 24;
+
+ /**
+ * The default salt used by setPassword()
+ *
+ * @see Crypt_Base::password_default_salt
+ * @see Crypt_Base::setPassword()
+ * @var String
+ * @access private
+ */
+ var $password_default_salt = 'phpseclib';
+
+ /**
+ * The namespace used by the cipher for its constants.
+ *
+ * @see Crypt_DES::const_namespace
+ * @see Crypt_Base::const_namespace
+ * @var String
+ * @access private
+ */
+ var $const_namespace = 'DES';
+
+ /**
+ * The mcrypt specific name of the cipher
+ *
+ * @see Crypt_DES::cipher_name_mcrypt
+ * @see Crypt_Base::cipher_name_mcrypt
+ * @var String
+ * @access private
+ */
+ var $cipher_name_mcrypt = 'tripledes';
+
+ /**
+ * Optimizing value while CFB-encrypting
+ *
+ * @see Crypt_Base::cfb_init_len
+ * @var Integer
+ * @access private
+ */
+ var $cfb_init_len = 750;
+
+ /**
+ * max possible size of $key
+ *
+ * @see Crypt_TripleDES::setKey()
+ * @see Crypt_DES::setKey()
+ * @var String
+ * @access private
+ */
+ var $key_size_max = 24;
+
+ /**
+ * Internal flag whether using CRYPT_DES_MODE_3CBC or not
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $mode_3cbc;
+
+ /**
+ * The Crypt_DES objects
+ *
+ * Used only if $mode_3cbc === true
+ *
+ * @var Array
+ * @access private
+ */
+ var $des;
+
+ /**
+ * Default Constructor.
+ *
+ * Determines whether or not the mcrypt extension should be used.
+ *
+ * $mode could be:
+ *
+ * - CRYPT_DES_MODE_ECB
+ *
+ * - CRYPT_DES_MODE_CBC
+ *
+ * - CRYPT_DES_MODE_CTR
+ *
+ * - CRYPT_DES_MODE_CFB
+ *
+ * - CRYPT_DES_MODE_OFB
+ *
+ * - CRYPT_DES_MODE_3CBC
+ *
+ * If not explicitly set, CRYPT_DES_MODE_CBC will be used.
+ *
+ * @see Crypt_DES::Crypt_DES()
+ * @see Crypt_Base::Crypt_Base()
+ * @param optional Integer $mode
+ * @access public
+ */
+ function Crypt_TripleDES($mode = CRYPT_DES_MODE_CBC)
+ {
+ switch ($mode) {
+ // In case of CRYPT_DES_MODE_3CBC, we init as CRYPT_DES_MODE_CBC
+ // and additional flag us internally as 3CBC
+ case CRYPT_DES_MODE_3CBC:
+ parent::Crypt_Base(CRYPT_DES_MODE_CBC);
+ $this->mode_3cbc = true;
+
+ // This three $des'es will do the 3CBC work (if $key > 64bits)
+ $this->des = array(
+ new Crypt_DES(CRYPT_DES_MODE_CBC),
+ new Crypt_DES(CRYPT_DES_MODE_CBC),
+ new Crypt_DES(CRYPT_DES_MODE_CBC),
+ );
+
+ // we're going to be doing the padding, ourselves, so disable it in the Crypt_DES objects
+ $this->des[0]->disablePadding();
+ $this->des[1]->disablePadding();
+ $this->des[2]->disablePadding();
+ break;
+ // If not 3CBC, we init as usual
+ default:
+ parent::Crypt_Base($mode);
+ }
+ }
+
+ /**
+ * Sets the initialization vector. (optional)
+ *
+ * SetIV is not required when CRYPT_DES_MODE_ECB is being used. If not explicitly set, it'll be assumed
+ * to be all zero's.
+ *
+ * @see Crypt_Base::setIV()
+ * @access public
+ * @param String $iv
+ */
+ function setIV($iv)
+ {
+ parent::setIV($iv);
+ if ($this->mode_3cbc) {
+ $this->des[0]->setIV($iv);
+ $this->des[1]->setIV($iv);
+ $this->des[2]->setIV($iv);
+ }
+ }
+
+ /**
+ * Sets the key.
+ *
+ * Keys can be of any length. Triple DES, itself, can use 128-bit (eg. strlen($key) == 16) or
+ * 192-bit (eg. strlen($key) == 24) keys. This function pads and truncates $key as appropriate.
+ *
+ * DES also requires that every eighth bit be a parity bit, however, we'll ignore that.
+ *
+ * If the key is not explicitly set, it'll be assumed to be all null bytes.
+ *
+ * @access public
+ * @see Crypt_DES::setKey()
+ * @see Crypt_Base::setKey()
+ * @param String $key
+ */
+ function setKey($key)
+ {
+ $length = strlen($key);
+ if ($length > 8) {
+ $key = str_pad(substr($key, 0, 24), 24, chr(0));
+ // if $key is between 64 and 128-bits, use the first 64-bits as the last, per this:
+ // http://php.net/function.mcrypt-encrypt#47973
+ //$key = $length <= 16 ? substr_replace($key, substr($key, 0, 8), 16) : substr($key, 0, 24);
+ } else {
+ $key = str_pad($key, 8, chr(0));
+ }
+ parent::setKey($key);
+
+ // And in case of CRYPT_DES_MODE_3CBC:
+ // if key <= 64bits we not need the 3 $des to work,
+ // because we will then act as regular DES-CBC with just a <= 64bit key.
+ // So only if the key > 64bits (> 8 bytes) we will call setKey() for the 3 $des.
+ if ($this->mode_3cbc && $length > 8) {
+ $this->des[0]->setKey(substr($key, 0, 8));
+ $this->des[1]->setKey(substr($key, 8, 8));
+ $this->des[2]->setKey(substr($key, 16, 8));
+ }
+ }
+
+ /**
+ * Encrypts a message.
+ *
+ * @see Crypt_Base::encrypt()
+ * @access public
+ * @param String $plaintext
+ * @return String $cipertext
+ */
+ function encrypt($plaintext)
+ {
+ // parent::en/decrypt() is able to do all the work for all modes and keylengths,
+ // except for: CRYPT_DES_MODE_3CBC (inner chaining CBC) with a key > 64bits
+
+ // if the key is smaller then 8, do what we'd normally do
+ if ($this->mode_3cbc && strlen($this->key) > 8) {
+ return $this->des[2]->encrypt(
+ $this->des[1]->decrypt(
+ $this->des[0]->encrypt(
+ $this->_pad($plaintext)
+ )
+ )
+ );
+ }
+
+ return parent::encrypt($plaintext);
+ }
+
+ /**
+ * Decrypts a message.
+ *
+ * @see Crypt_Base::decrypt()
+ * @access public
+ * @param String $ciphertext
+ * @return String $plaintext
+ */
+ function decrypt($ciphertext)
+ {
+ if ($this->mode_3cbc && strlen($this->key) > 8) {
+ return $this->_unpad(
+ $this->des[0]->decrypt(
+ $this->des[1]->encrypt(
+ $this->des[2]->decrypt(
+ str_pad($ciphertext, (strlen($ciphertext) + 7) & 0xFFFFFFF8, "\0")
+ )
+ )
+ )
+ );
+ }
+
+ return parent::decrypt($ciphertext);
+ }
+
+ /**
+ * Treat consecutive "packets" as if they are a continuous buffer.
+ *
+ * Say you have a 16-byte plaintext $plaintext. Using the default behavior, the two following code snippets
+ * will yield different outputs:
+ *
+ * <code>
+ * echo $des->encrypt(substr($plaintext, 0, 8));
+ * echo $des->encrypt(substr($plaintext, 8, 8));
+ * </code>
+ * <code>
+ * echo $des->encrypt($plaintext);
+ * </code>
+ *
+ * The solution is to enable the continuous buffer. Although this will resolve the above discrepancy, it creates
+ * another, as demonstrated with the following:
+ *
+ * <code>
+ * $des->encrypt(substr($plaintext, 0, 8));
+ * echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8)));
+ * </code>
+ * <code>
+ * echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8)));
+ * </code>
+ *
+ * With the continuous buffer disabled, these would yield the same output. With it enabled, they yield different
+ * outputs. The reason is due to the fact that the initialization vector's change after every encryption /
+ * decryption round when the continuous buffer is enabled. When it's disabled, they remain constant.
+ *
+ * Put another way, when the continuous buffer is enabled, the state of the Crypt_DES() object changes after each
+ * encryption / decryption round, whereas otherwise, it'd remain constant. For this reason, it's recommended that
+ * continuous buffers not be used. They do offer better security and are, in fact, sometimes required (SSH uses them),
+ * however, they are also less intuitive and more likely to cause you problems.
+ *
+ * @see Crypt_Base::enableContinuousBuffer()
+ * @see Crypt_TripleDES::disableContinuousBuffer()
+ * @access public
+ */
+ function enableContinuousBuffer()
+ {
+ parent::enableContinuousBuffer();
+ if ($this->mode_3cbc) {
+ $this->des[0]->enableContinuousBuffer();
+ $this->des[1]->enableContinuousBuffer();
+ $this->des[2]->enableContinuousBuffer();
+ }
+ }
+
+ /**
+ * Treat consecutive packets as if they are a discontinuous buffer.
+ *
+ * The default behavior.
+ *
+ * @see Crypt_Base::disableContinuousBuffer()
+ * @see Crypt_TripleDES::enableContinuousBuffer()
+ * @access public
+ */
+ function disableContinuousBuffer()
+ {
+ parent::disableContinuousBuffer();
+ if ($this->mode_3cbc) {
+ $this->des[0]->disableContinuousBuffer();
+ $this->des[1]->disableContinuousBuffer();
+ $this->des[2]->disableContinuousBuffer();
+ }
+ }
+
+ /**
+ * Creates the key schedule
+ *
+ * @see Crypt_DES::_setupKey()
+ * @see Crypt_Base::_setupKey()
+ * @access private
+ */
+ function _setupKey()
+ {
+ switch (true) {
+ // if $key <= 64bits we configure our internal pure-php cipher engine
+ // to act as regular [1]DES, not as 3DES. mcrypt.so::tripledes does the same.
+ case strlen($this->key) <= 8:
+ $this->des_rounds = 1;
+ break;
+
+ // otherwise, if $key > 64bits, we configure our engine to work as 3DES.
+ default:
+ $this->des_rounds = 3;
+
+ // (only) if 3CBC is used we have, of course, to setup the $des[0-2] keys also separately.
+ if ($this->mode_3cbc) {
+ $this->des[0]->_setupKey();
+ $this->des[1]->_setupKey();
+ $this->des[2]->_setupKey();
+
+ // because $des[0-2] will, now, do all the work we can return here
+ // not need unnecessary stress parent::_setupKey() with our, now unused, $key.
+ return;
+ }
+ }
+ // setup our key
+ parent::_setupKey();
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Crypt/Twofish.php b/libs/phpseclib-0.3.7/Crypt/Twofish.php new file mode 100644 index 0000000..4099a01 --- /dev/null +++ b/libs/phpseclib-0.3.7/Crypt/Twofish.php @@ -0,0 +1,895 @@ +<?php
+
+/**
+ * Pure-PHP implementation of Twofish.
+ *
+ * Uses mcrypt, if available, and an internal implementation, otherwise.
+ *
+ * PHP versions 4 and 5
+ *
+ * Useful resources are as follows:
+ *
+ * - {@link http://en.wikipedia.org/wiki/Twofish Wikipedia description of Twofish}
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Crypt/Twofish.php';
+ *
+ * $twofish = new Crypt_Twofish();
+ *
+ * $twofish->setKey('12345678901234567890123456789012');
+ *
+ * $plaintext = str_repeat('a', 1024);
+ *
+ * echo $twofish->decrypt($twofish->encrypt($plaintext));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Crypt
+ * @package Crypt_Twofish
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @author Hans-Juergen Petrich <petrich@tronic-media.com>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_Base
+ *
+ * Base cipher class
+ */
+if (!class_exists('Crypt_Base')) {
+ include_once 'Base.php';
+}
+
+/**#@+
+ * @access public
+ * @see Crypt_Twofish::encrypt()
+ * @see Crypt_Twofish::decrypt()
+ */
+/**
+ * Encrypt / decrypt using the Counter mode.
+ *
+ * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29
+ */
+define('CRYPT_TWOFISH_MODE_CTR', CRYPT_MODE_CTR);
+/**
+ * Encrypt / decrypt using the Electronic Code Book mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29
+ */
+define('CRYPT_TWOFISH_MODE_ECB', CRYPT_MODE_ECB);
+/**
+ * Encrypt / decrypt using the Code Book Chaining mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29
+ */
+define('CRYPT_TWOFISH_MODE_CBC', CRYPT_MODE_CBC);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29
+ */
+define('CRYPT_TWOFISH_MODE_CFB', CRYPT_MODE_CFB);
+/**
+ * Encrypt / decrypt using the Cipher Feedback mode.
+ *
+ * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29
+ */
+define('CRYPT_TWOFISH_MODE_OFB', CRYPT_MODE_OFB);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_Base::Crypt_Base()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_TWOFISH_MODE_INTERNAL', CRYPT_MODE_INTERNAL);
+/**
+ * Toggles the mcrypt implementation
+ */
+define('CRYPT_TWOFISH_MODE_MCRYPT', CRYPT_MODE_MCRYPT);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of Twofish.
+ *
+ * @package Crypt_Twofish
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @author Hans-Juergen Petrich <petrich@tronic-media.com>
+ * @access public
+ */
+class Crypt_Twofish extends Crypt_Base
+{
+ /**
+ * The namespace used by the cipher for its constants.
+ *
+ * @see Crypt_Base::const_namespace
+ * @var String
+ * @access private
+ */
+ var $const_namespace = 'TWOFISH';
+
+ /**
+ * The mcrypt specific name of the cipher
+ *
+ * @see Crypt_Base::cipher_name_mcrypt
+ * @var String
+ * @access private
+ */
+ var $cipher_name_mcrypt = 'twofish';
+
+ /**
+ * Optimizing value while CFB-encrypting
+ *
+ * @see Crypt_Base::cfb_init_len
+ * @var Integer
+ * @access private
+ */
+ var $cfb_init_len = 800;
+
+ /**
+ * Q-Table
+ *
+ * @var Array
+ * @access private
+ */
+ var $q0 = array (
+ 0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76,
+ 0x9A, 0x92, 0x80, 0x78, 0xE4, 0xDD, 0xD1, 0x38,
+ 0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C,
+ 0x43, 0x75, 0x37, 0x26, 0xFA, 0x13, 0x94, 0x48,
+ 0xF2, 0xD0, 0x8B, 0x30, 0x84, 0x54, 0xDF, 0x23,
+ 0x19, 0x5B, 0x3D, 0x59, 0xF3, 0xAE, 0xA2, 0x82,
+ 0x63, 0x01, 0x83, 0x2E, 0xD9, 0x51, 0x9B, 0x7C,
+ 0xA6, 0xEB, 0xA5, 0xBE, 0x16, 0x0C, 0xE3, 0x61,
+ 0xC0, 0x8C, 0x3A, 0xF5, 0x73, 0x2C, 0x25, 0x0B,
+ 0xBB, 0x4E, 0x89, 0x6B, 0x53, 0x6A, 0xB4, 0xF1,
+ 0xE1, 0xE6, 0xBD, 0x45, 0xE2, 0xF4, 0xB6, 0x66,
+ 0xCC, 0x95, 0x03, 0x56, 0xD4, 0x1C, 0x1E, 0xD7,
+ 0xFB, 0xC3, 0x8E, 0xB5, 0xE9, 0xCF, 0xBF, 0xBA,
+ 0xEA, 0x77, 0x39, 0xAF, 0x33, 0xC9, 0x62, 0x71,
+ 0x81, 0x79, 0x09, 0xAD, 0x24, 0xCD, 0xF9, 0xD8,
+ 0xE5, 0xC5, 0xB9, 0x4D, 0x44, 0x08, 0x86, 0xE7,
+ 0xA1, 0x1D, 0xAA, 0xED, 0x06, 0x70, 0xB2, 0xD2,
+ 0x41, 0x7B, 0xA0, 0x11, 0x31, 0xC2, 0x27, 0x90,
+ 0x20, 0xF6, 0x60, 0xFF, 0x96, 0x5C, 0xB1, 0xAB,
+ 0x9E, 0x9C, 0x52, 0x1B, 0x5F, 0x93, 0x0A, 0xEF,
+ 0x91, 0x85, 0x49, 0xEE, 0x2D, 0x4F, 0x8F, 0x3B,
+ 0x47, 0x87, 0x6D, 0x46, 0xD6, 0x3E, 0x69, 0x64,
+ 0x2A, 0xCE, 0xCB, 0x2F, 0xFC, 0x97, 0x05, 0x7A,
+ 0xAC, 0x7F, 0xD5, 0x1A, 0x4B, 0x0E, 0xA7, 0x5A,
+ 0x28, 0x14, 0x3F, 0x29, 0x88, 0x3C, 0x4C, 0x02,
+ 0xB8, 0xDA, 0xB0, 0x17, 0x55, 0x1F, 0x8A, 0x7D,
+ 0x57, 0xC7, 0x8D, 0x74, 0xB7, 0xC4, 0x9F, 0x72,
+ 0x7E, 0x15, 0x22, 0x12, 0x58, 0x07, 0x99, 0x34,
+ 0x6E, 0x50, 0xDE, 0x68, 0x65, 0xBC, 0xDB, 0xF8,
+ 0xC8, 0xA8, 0x2B, 0x40, 0xDC, 0xFE, 0x32, 0xA4,
+ 0xCA, 0x10, 0x21, 0xF0, 0xD3, 0x5D, 0x0F, 0x00,
+ 0x6F, 0x9D, 0x36, 0x42, 0x4A, 0x5E, 0xC1, 0xE0
+ );
+
+ /**
+ * Q-Table
+ *
+ * @var Array
+ * @access private
+ */
+ var $q1 = array (
+ 0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8,
+ 0x4A, 0xD3, 0xE6, 0x6B, 0x45, 0x7D, 0xE8, 0x4B,
+ 0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1,
+ 0x30, 0x0F, 0xF8, 0x1B, 0x87, 0xFA, 0x06, 0x3F,
+ 0x5E, 0xBA, 0xAE, 0x5B, 0x8A, 0x00, 0xBC, 0x9D,
+ 0x6D, 0xC1, 0xB1, 0x0E, 0x80, 0x5D, 0xD2, 0xD5,
+ 0xA0, 0x84, 0x07, 0x14, 0xB5, 0x90, 0x2C, 0xA3,
+ 0xB2, 0x73, 0x4C, 0x54, 0x92, 0x74, 0x36, 0x51,
+ 0x38, 0xB0, 0xBD, 0x5A, 0xFC, 0x60, 0x62, 0x96,
+ 0x6C, 0x42, 0xF7, 0x10, 0x7C, 0x28, 0x27, 0x8C,
+ 0x13, 0x95, 0x9C, 0xC7, 0x24, 0x46, 0x3B, 0x70,
+ 0xCA, 0xE3, 0x85, 0xCB, 0x11, 0xD0, 0x93, 0xB8,
+ 0xA6, 0x83, 0x20, 0xFF, 0x9F, 0x77, 0xC3, 0xCC,
+ 0x03, 0x6F, 0x08, 0xBF, 0x40, 0xE7, 0x2B, 0xE2,
+ 0x79, 0x0C, 0xAA, 0x82, 0x41, 0x3A, 0xEA, 0xB9,
+ 0xE4, 0x9A, 0xA4, 0x97, 0x7E, 0xDA, 0x7A, 0x17,
+ 0x66, 0x94, 0xA1, 0x1D, 0x3D, 0xF0, 0xDE, 0xB3,
+ 0x0B, 0x72, 0xA7, 0x1C, 0xEF, 0xD1, 0x53, 0x3E,
+ 0x8F, 0x33, 0x26, 0x5F, 0xEC, 0x76, 0x2A, 0x49,
+ 0x81, 0x88, 0xEE, 0x21, 0xC4, 0x1A, 0xEB, 0xD9,
+ 0xC5, 0x39, 0x99, 0xCD, 0xAD, 0x31, 0x8B, 0x01,
+ 0x18, 0x23, 0xDD, 0x1F, 0x4E, 0x2D, 0xF9, 0x48,
+ 0x4F, 0xF2, 0x65, 0x8E, 0x78, 0x5C, 0x58, 0x19,
+ 0x8D, 0xE5, 0x98, 0x57, 0x67, 0x7F, 0x05, 0x64,
+ 0xAF, 0x63, 0xB6, 0xFE, 0xF5, 0xB7, 0x3C, 0xA5,
+ 0xCE, 0xE9, 0x68, 0x44, 0xE0, 0x4D, 0x43, 0x69,
+ 0x29, 0x2E, 0xAC, 0x15, 0x59, 0xA8, 0x0A, 0x9E,
+ 0x6E, 0x47, 0xDF, 0x34, 0x35, 0x6A, 0xCF, 0xDC,
+ 0x22, 0xC9, 0xC0, 0x9B, 0x89, 0xD4, 0xED, 0xAB,
+ 0x12, 0xA2, 0x0D, 0x52, 0xBB, 0x02, 0x2F, 0xA9,
+ 0xD7, 0x61, 0x1E, 0xB4, 0x50, 0x04, 0xF6, 0xC2,
+ 0x16, 0x25, 0x86, 0x56, 0x55, 0x09, 0xBE, 0x91
+ );
+
+ /**
+ * M-Table
+ *
+ * @var Array
+ * @access private
+ */
+ var $m0 = array (
+ 0xBCBC3275, 0xECEC21F3, 0x202043C6, 0xB3B3C9F4, 0xDADA03DB, 0x02028B7B, 0xE2E22BFB, 0x9E9EFAC8,
+ 0xC9C9EC4A, 0xD4D409D3, 0x18186BE6, 0x1E1E9F6B, 0x98980E45, 0xB2B2387D, 0xA6A6D2E8, 0x2626B74B,
+ 0x3C3C57D6, 0x93938A32, 0x8282EED8, 0x525298FD, 0x7B7BD437, 0xBBBB3771, 0x5B5B97F1, 0x474783E1,
+ 0x24243C30, 0x5151E20F, 0xBABAC6F8, 0x4A4AF31B, 0xBFBF4887, 0x0D0D70FA, 0xB0B0B306, 0x7575DE3F,
+ 0xD2D2FD5E, 0x7D7D20BA, 0x666631AE, 0x3A3AA35B, 0x59591C8A, 0x00000000, 0xCDCD93BC, 0x1A1AE09D,
+ 0xAEAE2C6D, 0x7F7FABC1, 0x2B2BC7B1, 0xBEBEB90E, 0xE0E0A080, 0x8A8A105D, 0x3B3B52D2, 0x6464BAD5,
+ 0xD8D888A0, 0xE7E7A584, 0x5F5FE807, 0x1B1B1114, 0x2C2CC2B5, 0xFCFCB490, 0x3131272C, 0x808065A3,
+ 0x73732AB2, 0x0C0C8173, 0x79795F4C, 0x6B6B4154, 0x4B4B0292, 0x53536974, 0x94948F36, 0x83831F51,
+ 0x2A2A3638, 0xC4C49CB0, 0x2222C8BD, 0xD5D5F85A, 0xBDBDC3FC, 0x48487860, 0xFFFFCE62, 0x4C4C0796,
+ 0x4141776C, 0xC7C7E642, 0xEBEB24F7, 0x1C1C1410, 0x5D5D637C, 0x36362228, 0x6767C027, 0xE9E9AF8C,
+ 0x4444F913, 0x1414EA95, 0xF5F5BB9C, 0xCFCF18C7, 0x3F3F2D24, 0xC0C0E346, 0x7272DB3B, 0x54546C70,
+ 0x29294CCA, 0xF0F035E3, 0x0808FE85, 0xC6C617CB, 0xF3F34F11, 0x8C8CE4D0, 0xA4A45993, 0xCACA96B8,
+ 0x68683BA6, 0xB8B84D83, 0x38382820, 0xE5E52EFF, 0xADAD569F, 0x0B0B8477, 0xC8C81DC3, 0x9999FFCC,
+ 0x5858ED03, 0x19199A6F, 0x0E0E0A08, 0x95957EBF, 0x70705040, 0xF7F730E7, 0x6E6ECF2B, 0x1F1F6EE2,
+ 0xB5B53D79, 0x09090F0C, 0x616134AA, 0x57571682, 0x9F9F0B41, 0x9D9D803A, 0x111164EA, 0x2525CDB9,
+ 0xAFAFDDE4, 0x4545089A, 0xDFDF8DA4, 0xA3A35C97, 0xEAEAD57E, 0x353558DA, 0xEDEDD07A, 0x4343FC17,
+ 0xF8F8CB66, 0xFBFBB194, 0x3737D3A1, 0xFAFA401D, 0xC2C2683D, 0xB4B4CCF0, 0x32325DDE, 0x9C9C71B3,
+ 0x5656E70B, 0xE3E3DA72, 0x878760A7, 0x15151B1C, 0xF9F93AEF, 0x6363BFD1, 0x3434A953, 0x9A9A853E,
+ 0xB1B1428F, 0x7C7CD133, 0x88889B26, 0x3D3DA65F, 0xA1A1D7EC, 0xE4E4DF76, 0x8181942A, 0x91910149,
+ 0x0F0FFB81, 0xEEEEAA88, 0x161661EE, 0xD7D77321, 0x9797F5C4, 0xA5A5A81A, 0xFEFE3FEB, 0x6D6DB5D9,
+ 0x7878AEC5, 0xC5C56D39, 0x1D1DE599, 0x7676A4CD, 0x3E3EDCAD, 0xCBCB6731, 0xB6B6478B, 0xEFEF5B01,
+ 0x12121E18, 0x6060C523, 0x6A6AB0DD, 0x4D4DF61F, 0xCECEE94E, 0xDEDE7C2D, 0x55559DF9, 0x7E7E5A48,
+ 0x2121B24F, 0x03037AF2, 0xA0A02665, 0x5E5E198E, 0x5A5A6678, 0x65654B5C, 0x62624E58, 0xFDFD4519,
+ 0x0606F48D, 0x404086E5, 0xF2F2BE98, 0x3333AC57, 0x17179067, 0x05058E7F, 0xE8E85E05, 0x4F4F7D64,
+ 0x89896AAF, 0x10109563, 0x74742FB6, 0x0A0A75FE, 0x5C5C92F5, 0x9B9B74B7, 0x2D2D333C, 0x3030D6A5,
+ 0x2E2E49CE, 0x494989E9, 0x46467268, 0x77775544, 0xA8A8D8E0, 0x9696044D, 0x2828BD43, 0xA9A92969,
+ 0xD9D97929, 0x8686912E, 0xD1D187AC, 0xF4F44A15, 0x8D8D1559, 0xD6D682A8, 0xB9B9BC0A, 0x42420D9E,
+ 0xF6F6C16E, 0x2F2FB847, 0xDDDD06DF, 0x23233934, 0xCCCC6235, 0xF1F1C46A, 0xC1C112CF, 0x8585EBDC,
+ 0x8F8F9E22, 0x7171A1C9, 0x9090F0C0, 0xAAAA539B, 0x0101F189, 0x8B8BE1D4, 0x4E4E8CED, 0x8E8E6FAB,
+ 0xABABA212, 0x6F6F3EA2, 0xE6E6540D, 0xDBDBF252, 0x92927BBB, 0xB7B7B602, 0x6969CA2F, 0x3939D9A9,
+ 0xD3D30CD7, 0xA7A72361, 0xA2A2AD1E, 0xC3C399B4, 0x6C6C4450, 0x07070504, 0x04047FF6, 0x272746C2,
+ 0xACACA716, 0xD0D07625, 0x50501386, 0xDCDCF756, 0x84841A55, 0xE1E15109, 0x7A7A25BE, 0x1313EF91
+ );
+
+ /**
+ * M-Table
+ *
+ * @var Array
+ * @access private
+ */
+ var $m1 = array (
+ 0xA9D93939, 0x67901717, 0xB3719C9C, 0xE8D2A6A6, 0x04050707, 0xFD985252, 0xA3658080, 0x76DFE4E4,
+ 0x9A084545, 0x92024B4B, 0x80A0E0E0, 0x78665A5A, 0xE4DDAFAF, 0xDDB06A6A, 0xD1BF6363, 0x38362A2A,
+ 0x0D54E6E6, 0xC6432020, 0x3562CCCC, 0x98BEF2F2, 0x181E1212, 0xF724EBEB, 0xECD7A1A1, 0x6C774141,
+ 0x43BD2828, 0x7532BCBC, 0x37D47B7B, 0x269B8888, 0xFA700D0D, 0x13F94444, 0x94B1FBFB, 0x485A7E7E,
+ 0xF27A0303, 0xD0E48C8C, 0x8B47B6B6, 0x303C2424, 0x84A5E7E7, 0x54416B6B, 0xDF06DDDD, 0x23C56060,
+ 0x1945FDFD, 0x5BA33A3A, 0x3D68C2C2, 0x59158D8D, 0xF321ECEC, 0xAE316666, 0xA23E6F6F, 0x82165757,
+ 0x63951010, 0x015BEFEF, 0x834DB8B8, 0x2E918686, 0xD9B56D6D, 0x511F8383, 0x9B53AAAA, 0x7C635D5D,
+ 0xA63B6868, 0xEB3FFEFE, 0xA5D63030, 0xBE257A7A, 0x16A7ACAC, 0x0C0F0909, 0xE335F0F0, 0x6123A7A7,
+ 0xC0F09090, 0x8CAFE9E9, 0x3A809D9D, 0xF5925C5C, 0x73810C0C, 0x2C273131, 0x2576D0D0, 0x0BE75656,
+ 0xBB7B9292, 0x4EE9CECE, 0x89F10101, 0x6B9F1E1E, 0x53A93434, 0x6AC4F1F1, 0xB499C3C3, 0xF1975B5B,
+ 0xE1834747, 0xE66B1818, 0xBDC82222, 0x450E9898, 0xE26E1F1F, 0xF4C9B3B3, 0xB62F7474, 0x66CBF8F8,
+ 0xCCFF9999, 0x95EA1414, 0x03ED5858, 0x56F7DCDC, 0xD4E18B8B, 0x1C1B1515, 0x1EADA2A2, 0xD70CD3D3,
+ 0xFB2BE2E2, 0xC31DC8C8, 0x8E195E5E, 0xB5C22C2C, 0xE9894949, 0xCF12C1C1, 0xBF7E9595, 0xBA207D7D,
+ 0xEA641111, 0x77840B0B, 0x396DC5C5, 0xAF6A8989, 0x33D17C7C, 0xC9A17171, 0x62CEFFFF, 0x7137BBBB,
+ 0x81FB0F0F, 0x793DB5B5, 0x0951E1E1, 0xADDC3E3E, 0x242D3F3F, 0xCDA47676, 0xF99D5555, 0xD8EE8282,
+ 0xE5864040, 0xC5AE7878, 0xB9CD2525, 0x4D049696, 0x44557777, 0x080A0E0E, 0x86135050, 0xE730F7F7,
+ 0xA1D33737, 0x1D40FAFA, 0xAA346161, 0xED8C4E4E, 0x06B3B0B0, 0x706C5454, 0xB22A7373, 0xD2523B3B,
+ 0x410B9F9F, 0x7B8B0202, 0xA088D8D8, 0x114FF3F3, 0x3167CBCB, 0xC2462727, 0x27C06767, 0x90B4FCFC,
+ 0x20283838, 0xF67F0404, 0x60784848, 0xFF2EE5E5, 0x96074C4C, 0x5C4B6565, 0xB1C72B2B, 0xAB6F8E8E,
+ 0x9E0D4242, 0x9CBBF5F5, 0x52F2DBDB, 0x1BF34A4A, 0x5FA63D3D, 0x9359A4A4, 0x0ABCB9B9, 0xEF3AF9F9,
+ 0x91EF1313, 0x85FE0808, 0x49019191, 0xEE611616, 0x2D7CDEDE, 0x4FB22121, 0x8F42B1B1, 0x3BDB7272,
+ 0x47B82F2F, 0x8748BFBF, 0x6D2CAEAE, 0x46E3C0C0, 0xD6573C3C, 0x3E859A9A, 0x6929A9A9, 0x647D4F4F,
+ 0x2A948181, 0xCE492E2E, 0xCB17C6C6, 0x2FCA6969, 0xFCC3BDBD, 0x975CA3A3, 0x055EE8E8, 0x7AD0EDED,
+ 0xAC87D1D1, 0x7F8E0505, 0xD5BA6464, 0x1AA8A5A5, 0x4BB72626, 0x0EB9BEBE, 0xA7608787, 0x5AF8D5D5,
+ 0x28223636, 0x14111B1B, 0x3FDE7575, 0x2979D9D9, 0x88AAEEEE, 0x3C332D2D, 0x4C5F7979, 0x02B6B7B7,
+ 0xB896CACA, 0xDA583535, 0xB09CC4C4, 0x17FC4343, 0x551A8484, 0x1FF64D4D, 0x8A1C5959, 0x7D38B2B2,
+ 0x57AC3333, 0xC718CFCF, 0x8DF40606, 0x74695353, 0xB7749B9B, 0xC4F59797, 0x9F56ADAD, 0x72DAE3E3,
+ 0x7ED5EAEA, 0x154AF4F4, 0x229E8F8F, 0x12A2ABAB, 0x584E6262, 0x07E85F5F, 0x99E51D1D, 0x34392323,
+ 0x6EC1F6F6, 0x50446C6C, 0xDE5D3232, 0x68724646, 0x6526A0A0, 0xBC93CDCD, 0xDB03DADA, 0xF8C6BABA,
+ 0xC8FA9E9E, 0xA882D6D6, 0x2BCF6E6E, 0x40507070, 0xDCEB8585, 0xFE750A0A, 0x328A9393, 0xA48DDFDF,
+ 0xCA4C2929, 0x10141C1C, 0x2173D7D7, 0xF0CCB4B4, 0xD309D4D4, 0x5D108A8A, 0x0FE25151, 0x00000000,
+ 0x6F9A1919, 0x9DE01A1A, 0x368F9494, 0x42E6C7C7, 0x4AECC9C9, 0x5EFDD2D2, 0xC1AB7F7F, 0xE0D8A8A8
+ );
+
+ /**
+ * M-Table
+ *
+ * @var Array
+ * @access private
+ */
+ var $m2 = array (
+ 0xBC75BC32, 0xECF3EC21, 0x20C62043, 0xB3F4B3C9, 0xDADBDA03, 0x027B028B, 0xE2FBE22B, 0x9EC89EFA,
+ 0xC94AC9EC, 0xD4D3D409, 0x18E6186B, 0x1E6B1E9F, 0x9845980E, 0xB27DB238, 0xA6E8A6D2, 0x264B26B7,
+ 0x3CD63C57, 0x9332938A, 0x82D882EE, 0x52FD5298, 0x7B377BD4, 0xBB71BB37, 0x5BF15B97, 0x47E14783,
+ 0x2430243C, 0x510F51E2, 0xBAF8BAC6, 0x4A1B4AF3, 0xBF87BF48, 0x0DFA0D70, 0xB006B0B3, 0x753F75DE,
+ 0xD25ED2FD, 0x7DBA7D20, 0x66AE6631, 0x3A5B3AA3, 0x598A591C, 0x00000000, 0xCDBCCD93, 0x1A9D1AE0,
+ 0xAE6DAE2C, 0x7FC17FAB, 0x2BB12BC7, 0xBE0EBEB9, 0xE080E0A0, 0x8A5D8A10, 0x3BD23B52, 0x64D564BA,
+ 0xD8A0D888, 0xE784E7A5, 0x5F075FE8, 0x1B141B11, 0x2CB52CC2, 0xFC90FCB4, 0x312C3127, 0x80A38065,
+ 0x73B2732A, 0x0C730C81, 0x794C795F, 0x6B546B41, 0x4B924B02, 0x53745369, 0x9436948F, 0x8351831F,
+ 0x2A382A36, 0xC4B0C49C, 0x22BD22C8, 0xD55AD5F8, 0xBDFCBDC3, 0x48604878, 0xFF62FFCE, 0x4C964C07,
+ 0x416C4177, 0xC742C7E6, 0xEBF7EB24, 0x1C101C14, 0x5D7C5D63, 0x36283622, 0x672767C0, 0xE98CE9AF,
+ 0x441344F9, 0x149514EA, 0xF59CF5BB, 0xCFC7CF18, 0x3F243F2D, 0xC046C0E3, 0x723B72DB, 0x5470546C,
+ 0x29CA294C, 0xF0E3F035, 0x088508FE, 0xC6CBC617, 0xF311F34F, 0x8CD08CE4, 0xA493A459, 0xCAB8CA96,
+ 0x68A6683B, 0xB883B84D, 0x38203828, 0xE5FFE52E, 0xAD9FAD56, 0x0B770B84, 0xC8C3C81D, 0x99CC99FF,
+ 0x580358ED, 0x196F199A, 0x0E080E0A, 0x95BF957E, 0x70407050, 0xF7E7F730, 0x6E2B6ECF, 0x1FE21F6E,
+ 0xB579B53D, 0x090C090F, 0x61AA6134, 0x57825716, 0x9F419F0B, 0x9D3A9D80, 0x11EA1164, 0x25B925CD,
+ 0xAFE4AFDD, 0x459A4508, 0xDFA4DF8D, 0xA397A35C, 0xEA7EEAD5, 0x35DA3558, 0xED7AEDD0, 0x431743FC,
+ 0xF866F8CB, 0xFB94FBB1, 0x37A137D3, 0xFA1DFA40, 0xC23DC268, 0xB4F0B4CC, 0x32DE325D, 0x9CB39C71,
+ 0x560B56E7, 0xE372E3DA, 0x87A78760, 0x151C151B, 0xF9EFF93A, 0x63D163BF, 0x345334A9, 0x9A3E9A85,
+ 0xB18FB142, 0x7C337CD1, 0x8826889B, 0x3D5F3DA6, 0xA1ECA1D7, 0xE476E4DF, 0x812A8194, 0x91499101,
+ 0x0F810FFB, 0xEE88EEAA, 0x16EE1661, 0xD721D773, 0x97C497F5, 0xA51AA5A8, 0xFEEBFE3F, 0x6DD96DB5,
+ 0x78C578AE, 0xC539C56D, 0x1D991DE5, 0x76CD76A4, 0x3EAD3EDC, 0xCB31CB67, 0xB68BB647, 0xEF01EF5B,
+ 0x1218121E, 0x602360C5, 0x6ADD6AB0, 0x4D1F4DF6, 0xCE4ECEE9, 0xDE2DDE7C, 0x55F9559D, 0x7E487E5A,
+ 0x214F21B2, 0x03F2037A, 0xA065A026, 0x5E8E5E19, 0x5A785A66, 0x655C654B, 0x6258624E, 0xFD19FD45,
+ 0x068D06F4, 0x40E54086, 0xF298F2BE, 0x335733AC, 0x17671790, 0x057F058E, 0xE805E85E, 0x4F644F7D,
+ 0x89AF896A, 0x10631095, 0x74B6742F, 0x0AFE0A75, 0x5CF55C92, 0x9BB79B74, 0x2D3C2D33, 0x30A530D6,
+ 0x2ECE2E49, 0x49E94989, 0x46684672, 0x77447755, 0xA8E0A8D8, 0x964D9604, 0x284328BD, 0xA969A929,
+ 0xD929D979, 0x862E8691, 0xD1ACD187, 0xF415F44A, 0x8D598D15, 0xD6A8D682, 0xB90AB9BC, 0x429E420D,
+ 0xF66EF6C1, 0x2F472FB8, 0xDDDFDD06, 0x23342339, 0xCC35CC62, 0xF16AF1C4, 0xC1CFC112, 0x85DC85EB,
+ 0x8F228F9E, 0x71C971A1, 0x90C090F0, 0xAA9BAA53, 0x018901F1, 0x8BD48BE1, 0x4EED4E8C, 0x8EAB8E6F,
+ 0xAB12ABA2, 0x6FA26F3E, 0xE60DE654, 0xDB52DBF2, 0x92BB927B, 0xB702B7B6, 0x692F69CA, 0x39A939D9,
+ 0xD3D7D30C, 0xA761A723, 0xA21EA2AD, 0xC3B4C399, 0x6C506C44, 0x07040705, 0x04F6047F, 0x27C22746,
+ 0xAC16ACA7, 0xD025D076, 0x50865013, 0xDC56DCF7, 0x8455841A, 0xE109E151, 0x7ABE7A25, 0x139113EF
+ );
+
+ /**
+ * M-Table
+ *
+ * @var Array
+ * @access private
+ */
+ var $m3 = array (
+ 0xD939A9D9, 0x90176790, 0x719CB371, 0xD2A6E8D2, 0x05070405, 0x9852FD98, 0x6580A365, 0xDFE476DF,
+ 0x08459A08, 0x024B9202, 0xA0E080A0, 0x665A7866, 0xDDAFE4DD, 0xB06ADDB0, 0xBF63D1BF, 0x362A3836,
+ 0x54E60D54, 0x4320C643, 0x62CC3562, 0xBEF298BE, 0x1E12181E, 0x24EBF724, 0xD7A1ECD7, 0x77416C77,
+ 0xBD2843BD, 0x32BC7532, 0xD47B37D4, 0x9B88269B, 0x700DFA70, 0xF94413F9, 0xB1FB94B1, 0x5A7E485A,
+ 0x7A03F27A, 0xE48CD0E4, 0x47B68B47, 0x3C24303C, 0xA5E784A5, 0x416B5441, 0x06DDDF06, 0xC56023C5,
+ 0x45FD1945, 0xA33A5BA3, 0x68C23D68, 0x158D5915, 0x21ECF321, 0x3166AE31, 0x3E6FA23E, 0x16578216,
+ 0x95106395, 0x5BEF015B, 0x4DB8834D, 0x91862E91, 0xB56DD9B5, 0x1F83511F, 0x53AA9B53, 0x635D7C63,
+ 0x3B68A63B, 0x3FFEEB3F, 0xD630A5D6, 0x257ABE25, 0xA7AC16A7, 0x0F090C0F, 0x35F0E335, 0x23A76123,
+ 0xF090C0F0, 0xAFE98CAF, 0x809D3A80, 0x925CF592, 0x810C7381, 0x27312C27, 0x76D02576, 0xE7560BE7,
+ 0x7B92BB7B, 0xE9CE4EE9, 0xF10189F1, 0x9F1E6B9F, 0xA93453A9, 0xC4F16AC4, 0x99C3B499, 0x975BF197,
+ 0x8347E183, 0x6B18E66B, 0xC822BDC8, 0x0E98450E, 0x6E1FE26E, 0xC9B3F4C9, 0x2F74B62F, 0xCBF866CB,
+ 0xFF99CCFF, 0xEA1495EA, 0xED5803ED, 0xF7DC56F7, 0xE18BD4E1, 0x1B151C1B, 0xADA21EAD, 0x0CD3D70C,
+ 0x2BE2FB2B, 0x1DC8C31D, 0x195E8E19, 0xC22CB5C2, 0x8949E989, 0x12C1CF12, 0x7E95BF7E, 0x207DBA20,
+ 0x6411EA64, 0x840B7784, 0x6DC5396D, 0x6A89AF6A, 0xD17C33D1, 0xA171C9A1, 0xCEFF62CE, 0x37BB7137,
+ 0xFB0F81FB, 0x3DB5793D, 0x51E10951, 0xDC3EADDC, 0x2D3F242D, 0xA476CDA4, 0x9D55F99D, 0xEE82D8EE,
+ 0x8640E586, 0xAE78C5AE, 0xCD25B9CD, 0x04964D04, 0x55774455, 0x0A0E080A, 0x13508613, 0x30F7E730,
+ 0xD337A1D3, 0x40FA1D40, 0x3461AA34, 0x8C4EED8C, 0xB3B006B3, 0x6C54706C, 0x2A73B22A, 0x523BD252,
+ 0x0B9F410B, 0x8B027B8B, 0x88D8A088, 0x4FF3114F, 0x67CB3167, 0x4627C246, 0xC06727C0, 0xB4FC90B4,
+ 0x28382028, 0x7F04F67F, 0x78486078, 0x2EE5FF2E, 0x074C9607, 0x4B655C4B, 0xC72BB1C7, 0x6F8EAB6F,
+ 0x0D429E0D, 0xBBF59CBB, 0xF2DB52F2, 0xF34A1BF3, 0xA63D5FA6, 0x59A49359, 0xBCB90ABC, 0x3AF9EF3A,
+ 0xEF1391EF, 0xFE0885FE, 0x01914901, 0x6116EE61, 0x7CDE2D7C, 0xB2214FB2, 0x42B18F42, 0xDB723BDB,
+ 0xB82F47B8, 0x48BF8748, 0x2CAE6D2C, 0xE3C046E3, 0x573CD657, 0x859A3E85, 0x29A96929, 0x7D4F647D,
+ 0x94812A94, 0x492ECE49, 0x17C6CB17, 0xCA692FCA, 0xC3BDFCC3, 0x5CA3975C, 0x5EE8055E, 0xD0ED7AD0,
+ 0x87D1AC87, 0x8E057F8E, 0xBA64D5BA, 0xA8A51AA8, 0xB7264BB7, 0xB9BE0EB9, 0x6087A760, 0xF8D55AF8,
+ 0x22362822, 0x111B1411, 0xDE753FDE, 0x79D92979, 0xAAEE88AA, 0x332D3C33, 0x5F794C5F, 0xB6B702B6,
+ 0x96CAB896, 0x5835DA58, 0x9CC4B09C, 0xFC4317FC, 0x1A84551A, 0xF64D1FF6, 0x1C598A1C, 0x38B27D38,
+ 0xAC3357AC, 0x18CFC718, 0xF4068DF4, 0x69537469, 0x749BB774, 0xF597C4F5, 0x56AD9F56, 0xDAE372DA,
+ 0xD5EA7ED5, 0x4AF4154A, 0x9E8F229E, 0xA2AB12A2, 0x4E62584E, 0xE85F07E8, 0xE51D99E5, 0x39233439,
+ 0xC1F66EC1, 0x446C5044, 0x5D32DE5D, 0x72466872, 0x26A06526, 0x93CDBC93, 0x03DADB03, 0xC6BAF8C6,
+ 0xFA9EC8FA, 0x82D6A882, 0xCF6E2BCF, 0x50704050, 0xEB85DCEB, 0x750AFE75, 0x8A93328A, 0x8DDFA48D,
+ 0x4C29CA4C, 0x141C1014, 0x73D72173, 0xCCB4F0CC, 0x09D4D309, 0x108A5D10, 0xE2510FE2, 0x00000000,
+ 0x9A196F9A, 0xE01A9DE0, 0x8F94368F, 0xE6C742E6, 0xECC94AEC, 0xFDD25EFD, 0xAB7FC1AB, 0xD8A8E0D8
+ );
+
+ /**
+ * The Key Schedule Array
+ *
+ * @var Array
+ * @access private
+ */
+ var $K = array();
+
+ /**
+ * The Key depended S-Table 0
+ *
+ * @var Array
+ * @access private
+ */
+ var $S0 = array();
+
+ /**
+ * The Key depended S-Table 1
+ *
+ * @var Array
+ * @access private
+ */
+ var $S1 = array();
+
+ /**
+ * The Key depended S-Table 2
+ *
+ * @var Array
+ * @access private
+ */
+ var $S2 = array();
+
+ /**
+ * The Key depended S-Table 3
+ *
+ * @var Array
+ * @access private
+ */
+ var $S3 = array();
+
+ /**
+ * Holds the last used key
+ *
+ * @var Array
+ * @access private
+ */
+ var $kl;
+
+ /**
+ * Sets the key.
+ *
+ * Keys can be of any length. Twofish, itself, requires the use of a key that's 128, 192 or 256-bits long.
+ * If the key is less than 256-bits we round the length up to the closest valid key length,
+ * padding $key with null bytes. If the key is more than 256-bits, we trim the excess bits.
+ *
+ * If the key is not explicitly set, it'll be assumed a 128 bits key to be all null bytes.
+ *
+ * @access public
+ * @see Crypt_Base::setKey()
+ * @param String $key
+ */
+ function setKey($key)
+ {
+ $keylength = strlen($key);
+ switch (true) {
+ case $keylength <= 16:
+ $key = str_pad($key, 16, "\0");
+ break;
+ case $keylength <= 24:
+ $key = str_pad($key, 24, "\0");
+ break;
+ case $keylength < 32:
+ $key = str_pad($key, 32, "\0");
+ break;
+ case $keylength > 32:
+ $key = substr($key, 0, 32);
+ }
+ parent::setKey($key);
+ }
+
+ /**
+ * Setup the key (expansion)
+ *
+ * @see Crypt_Base::_setupKey()
+ * @access private
+ */
+ function _setupKey()
+ {
+ if (isset($this->kl['key']) && $this->key === $this->kl['key']) {
+ // already expanded
+ return;
+ }
+ $this->kl = array('key' => $this->key);
+
+ /* Key expanding and generating the key-depended s-boxes */
+ $le_longs = unpack('V*', $this->key);
+ $key = unpack('C*', $this->key);
+ $m0 = $this->m0;
+ $m1 = $this->m1;
+ $m2 = $this->m2;
+ $m3 = $this->m3;
+ $q0 = $this->q0;
+ $q1 = $this->q1;
+
+ $K = $S0 = $S1 = $S2 = $S3 = array();
+
+ switch (strlen($this->key)) {
+ case 16:
+ list ($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[1], $le_longs[2]);
+ list ($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[3], $le_longs[4]);
+ for ($i = 0, $j = 1; $i < 40; $i+= 2,$j+= 2) {
+ $A = $m0[$q0[$q0[$i] ^ $key[ 9]] ^ $key[1]] ^
+ $m1[$q0[$q1[$i] ^ $key[10]] ^ $key[2]] ^
+ $m2[$q1[$q0[$i] ^ $key[11]] ^ $key[3]] ^
+ $m3[$q1[$q1[$i] ^ $key[12]] ^ $key[4]];
+ $B = $m0[$q0[$q0[$j] ^ $key[13]] ^ $key[5]] ^
+ $m1[$q0[$q1[$j] ^ $key[14]] ^ $key[6]] ^
+ $m2[$q1[$q0[$j] ^ $key[15]] ^ $key[7]] ^
+ $m3[$q1[$q1[$j] ^ $key[16]] ^ $key[8]];
+ $B = ($B << 8) | ($B >> 24 & 0xff);
+ $K[] = $A+= $B;
+ $K[] = (($A+= $B) << 9 | $A >> 23 & 0x1ff);
+ }
+ for ($i = 0; $i < 256; ++$i) {
+ $S0[$i] = $m0[$q0[$q0[$i] ^ $s4] ^ $s0];
+ $S1[$i] = $m1[$q0[$q1[$i] ^ $s5] ^ $s1];
+ $S2[$i] = $m2[$q1[$q0[$i] ^ $s6] ^ $s2];
+ $S3[$i] = $m3[$q1[$q1[$i] ^ $s7] ^ $s3];
+ }
+ break;
+ case 24:
+ list ($sb, $sa, $s9, $s8) = $this->_mdsrem($le_longs[1], $le_longs[2]);
+ list ($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[3], $le_longs[4]);
+ list ($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[5], $le_longs[6]);
+ for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) {
+ $A = $m0[$q0[$q0[$q1[$i] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^
+ $m1[$q0[$q1[$q1[$i] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^
+ $m2[$q1[$q0[$q0[$i] ^ $key[19]] ^ $key[11]] ^ $key[3]] ^
+ $m3[$q1[$q1[$q0[$i] ^ $key[20]] ^ $key[12]] ^ $key[4]];
+ $B = $m0[$q0[$q0[$q1[$j] ^ $key[21]] ^ $key[13]] ^ $key[5]] ^
+ $m1[$q0[$q1[$q1[$j] ^ $key[22]] ^ $key[14]] ^ $key[6]] ^
+ $m2[$q1[$q0[$q0[$j] ^ $key[23]] ^ $key[15]] ^ $key[7]] ^
+ $m3[$q1[$q1[$q0[$j] ^ $key[24]] ^ $key[16]] ^ $key[8]];
+ $B = ($B << 8) | ($B >> 24 & 0xff);
+ $K[] = $A+= $B;
+ $K[] = (($A+= $B) << 9 | $A >> 23 & 0x1ff);
+ }
+ for ($i = 0; $i < 256; ++$i) {
+ $S0[$i] = $m0[$q0[$q0[$q1[$i] ^ $s8] ^ $s4] ^ $s0];
+ $S1[$i] = $m1[$q0[$q1[$q1[$i] ^ $s9] ^ $s5] ^ $s1];
+ $S2[$i] = $m2[$q1[$q0[$q0[$i] ^ $sa] ^ $s6] ^ $s2];
+ $S3[$i] = $m3[$q1[$q1[$q0[$i] ^ $sb] ^ $s7] ^ $s3];
+ }
+ break;
+ default: // 32
+ list ($sf, $se, $sd, $sc) = $this->_mdsrem($le_longs[1], $le_longs[2]);
+ list ($sb, $sa, $s9, $s8) = $this->_mdsrem($le_longs[3], $le_longs[4]);
+ list ($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[5], $le_longs[6]);
+ list ($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[7], $le_longs[8]);
+ for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) {
+ $A = $m0[$q0[$q0[$q1[$q1[$i] ^ $key[25]] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^
+ $m1[$q0[$q1[$q1[$q0[$i] ^ $key[26]] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^
+ $m2[$q1[$q0[$q0[$q0[$i] ^ $key[27]] ^ $key[19]] ^ $key[11]] ^ $key[3]] ^
+ $m3[$q1[$q1[$q0[$q1[$i] ^ $key[28]] ^ $key[20]] ^ $key[12]] ^ $key[4]];
+ $B = $m0[$q0[$q0[$q1[$q1[$j] ^ $key[29]] ^ $key[21]] ^ $key[13]] ^ $key[5]] ^
+ $m1[$q0[$q1[$q1[$q0[$j] ^ $key[30]] ^ $key[22]] ^ $key[14]] ^ $key[6]] ^
+ $m2[$q1[$q0[$q0[$q0[$j] ^ $key[31]] ^ $key[23]] ^ $key[15]] ^ $key[7]] ^
+ $m3[$q1[$q1[$q0[$q1[$j] ^ $key[32]] ^ $key[24]] ^ $key[16]] ^ $key[8]];
+ $B = ($B << 8) | ($B >> 24 & 0xff);
+ $K[] = $A+= $B;
+ $K[] = (($A+= $B) << 9 | $A >> 23 & 0x1ff);
+ }
+ for ($i = 0; $i < 256; ++$i) {
+ $S0[$i] = $m0[$q0[$q0[$q1[$q1[$i] ^ $sc] ^ $s8] ^ $s4] ^ $s0];
+ $S1[$i] = $m1[$q0[$q1[$q1[$q0[$i] ^ $sd] ^ $s9] ^ $s5] ^ $s1];
+ $S2[$i] = $m2[$q1[$q0[$q0[$q0[$i] ^ $se] ^ $sa] ^ $s6] ^ $s2];
+ $S3[$i] = $m3[$q1[$q1[$q0[$q1[$i] ^ $sf] ^ $sb] ^ $s7] ^ $s3];
+ }
+ }
+
+ $this->K = $K;
+ $this->S0 = $S0;
+ $this->S1 = $S1;
+ $this->S2 = $S2;
+ $this->S3 = $S3;
+ }
+
+ /**
+ * _mdsrem function using by the twofish cipher algorithm
+ *
+ * @access private
+ * @param String $A
+ * @param String $B
+ * @return Array
+ */
+ function _mdsrem($A, $B)
+ {
+ // No gain by unrolling this loop.
+ for ($i = 0; $i < 8; ++$i) {
+ // Get most significant coefficient.
+ $t = 0xff & ($B >> 24);
+
+ // Shift the others up.
+ $B = ($B << 8) | (0xff & ($A >> 24));
+ $A<<= 8;
+
+ $u = $t << 1;
+
+ // Subtract the modular polynomial on overflow.
+ if ($t & 0x80) {
+ $u^= 0x14d;
+ }
+
+ // Remove t * (a * x^2 + 1).
+ $B ^= $t ^ ($u << 16);
+
+ // Form u = a*t + t/a = t*(a + 1/a).
+ $u^= 0x7fffffff & ($t >> 1);
+
+ // Add the modular polynomial on underflow.
+ if ($t & 0x01) $u^= 0xa6 ;
+
+ // Remove t * (a + 1/a) * (x^3 + x).
+ $B^= ($u << 24) | ($u << 8);
+ }
+
+ return array(
+ 0xff & $B >> 24,
+ 0xff & $B >> 16,
+ 0xff & $B >> 8,
+ 0xff & $B);
+ }
+
+ /**
+ * Encrypts a block
+ *
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _encryptBlock($in)
+ {
+ $S0 = $this->S0;
+ $S1 = $this->S1;
+ $S2 = $this->S2;
+ $S3 = $this->S3;
+ $K = $this->K;
+
+ $in = unpack("V4", $in);
+ $R0 = $K[0] ^ $in[1];
+ $R1 = $K[1] ^ $in[2];
+ $R2 = $K[2] ^ $in[3];
+ $R3 = $K[3] ^ $in[4];
+
+ $ki = 7;
+ while ($ki < 39) {
+ $t0 = $S0[ $R0 & 0xff] ^
+ $S1[($R0 >> 8) & 0xff] ^
+ $S2[($R0 >> 16) & 0xff] ^
+ $S3[($R0 >> 24) & 0xff];
+ $t1 = $S0[($R1 >> 24) & 0xff] ^
+ $S1[ $R1 & 0xff] ^
+ $S2[($R1 >> 8) & 0xff] ^
+ $S3[($R1 >> 16) & 0xff];
+ $R2^= $t0 + $t1 + $K[++$ki];
+ $R2 = ($R2 >> 1 & 0x7fffffff) | ($R2 << 31);
+ $R3 = ((($R3 >> 31) & 1) | ($R3 << 1)) ^ ($t0 + ($t1 << 1) + $K[++$ki]);
+
+ $t0 = $S0[ $R2 & 0xff] ^
+ $S1[($R2 >> 8) & 0xff] ^
+ $S2[($R2 >> 16) & 0xff] ^
+ $S3[($R2 >> 24) & 0xff];
+ $t1 = $S0[($R3 >> 24) & 0xff] ^
+ $S1[ $R3 & 0xff] ^
+ $S2[($R3 >> 8) & 0xff] ^
+ $S3[($R3 >> 16) & 0xff];
+ $R0^= ($t0 + $t1 + $K[++$ki]);
+ $R0 = ($R0 >> 1 & 0x7fffffff) | ($R0 << 31);
+ $R1 = ((($R1 >> 31) & 1) | ($R1 << 1)) ^ ($t0 + ($t1 << 1) + $K[++$ki]);
+ }
+
+ // @codingStandardsIgnoreStart
+ return pack("V4", $K[4] ^ $R2,
+ $K[5] ^ $R3,
+ $K[6] ^ $R0,
+ $K[7] ^ $R1);
+ // @codingStandardsIgnoreEnd
+ }
+
+ /**
+ * Decrypts a block
+ *
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _decryptBlock($in)
+ {
+ $S0 = $this->S0;
+ $S1 = $this->S1;
+ $S2 = $this->S2;
+ $S3 = $this->S3;
+ $K = $this->K;
+
+ $in = unpack("V4", $in);
+ $R0 = $K[4] ^ $in[1];
+ $R1 = $K[5] ^ $in[2];
+ $R2 = $K[6] ^ $in[3];
+ $R3 = $K[7] ^ $in[4];
+
+ $ki = 40;
+ while ($ki > 8) {
+ $t0 = $S0[$R0 & 0xff] ^
+ $S1[$R0 >> 8 & 0xff] ^
+ $S2[$R0 >> 16 & 0xff] ^
+ $S3[$R0 >> 24 & 0xff];
+ $t1 = $S0[$R1 >> 24 & 0xff] ^
+ $S1[$R1 & 0xff] ^
+ $S2[$R1 >> 8 & 0xff] ^
+ $S3[$R1 >> 16 & 0xff];
+ $R3^= $t0 + ($t1 << 1) + $K[--$ki];
+ $R3 = $R3 >> 1 & 0x7fffffff | $R3 << 31;
+ $R2 = ($R2 >> 31 & 0x1 | $R2 << 1) ^ ($t0 + $t1 + $K[--$ki]);
+
+ $t0 = $S0[$R2 & 0xff] ^
+ $S1[$R2 >> 8 & 0xff] ^
+ $S2[$R2 >> 16 & 0xff] ^
+ $S3[$R2 >> 24 & 0xff];
+ $t1 = $S0[$R3 >> 24 & 0xff] ^
+ $S1[$R3 & 0xff] ^
+ $S2[$R3 >> 8 & 0xff] ^
+ $S3[$R3 >> 16 & 0xff];
+ $R1^= $t0 + ($t1 << 1) + $K[--$ki];
+ $R1 = $R1 >> 1 & 0x7fffffff | $R1 << 31;
+ $R0 = ($R0 >> 31 & 0x1 | $R0 << 1) ^ ($t0 + $t1 + $K[--$ki]);
+ }
+
+ // @codingStandardsIgnoreStart
+ return pack("V4", $K[0] ^ $R2,
+ $K[1] ^ $R3,
+ $K[2] ^ $R0,
+ $K[3] ^ $R1);
+ // @codingStandardsIgnoreEnd
+ }
+
+ /**
+ * Setup the performance-optimized function for de/encrypt()
+ *
+ * @see Crypt_Base::_setupInlineCrypt()
+ * @access private
+ */
+ function _setupInlineCrypt()
+ {
+ $lambda_functions =& Crypt_Twofish::_getLambdaFunctions();
+
+ // Max. 10 Ultra-Hi-optimized inline-crypt functions. After that, we'll (still) create very fast code, but not the ultimate fast one.
+ $gen_hi_opt_code = (bool)( count($lambda_functions) < 10 );
+
+ switch (true) {
+ case $gen_hi_opt_code:
+ $code_hash = md5(str_pad("Crypt_Twofish, {$this->mode}, ", 32, "\0") . $this->key);
+ break;
+ default:
+ $code_hash = "Crypt_Twofish, {$this->mode}";
+ }
+
+ if (!isset($lambda_functions[$code_hash])) {
+ switch (true) {
+ case $gen_hi_opt_code:
+ $K = $this->K;
+
+ $init_crypt = '
+ static $S0, $S1, $S2, $S3;
+ if (!$S0) {
+ for ($i = 0; $i < 256; ++$i) {
+ $S0[] = (int)$self->S0[$i];
+ $S1[] = (int)$self->S1[$i];
+ $S2[] = (int)$self->S2[$i];
+ $S3[] = (int)$self->S3[$i];
+ }
+ }
+ ';
+ break;
+ default:
+ $K = array();
+ for ($i = 0; $i < 40; ++$i) {
+ $K[] = '$K_' . $i;
+ }
+
+ $init_crypt = '
+ $S0 = $self->S0;
+ $S1 = $self->S1;
+ $S2 = $self->S2;
+ $S3 = $self->S3;
+ list(' . implode(',', $K) . ') = $self->K;
+ ';
+ }
+
+ // Generating encrypt code:
+ $encrypt_block = '
+ $in = unpack("V4", $in);
+ $R0 = '.$K[0].' ^ $in[1];
+ $R1 = '.$K[1].' ^ $in[2];
+ $R2 = '.$K[2].' ^ $in[3];
+ $R3 = '.$K[3].' ^ $in[4];
+ ';
+ for ($ki = 7, $i = 0; $i < 8; ++$i) {
+ $encrypt_block.= '
+ $t0 = $S0[ $R0 & 0xff] ^
+ $S1[($R0 >> 8) & 0xff] ^
+ $S2[($R0 >> 16) & 0xff] ^
+ $S3[($R0 >> 24) & 0xff];
+ $t1 = $S0[($R1 >> 24) & 0xff] ^
+ $S1[ $R1 & 0xff] ^
+ $S2[($R1 >> 8) & 0xff] ^
+ $S3[($R1 >> 16) & 0xff];
+ $R2^= ($t0 + $t1 + '.$K[++$ki].');
+ $R2 = ($R2 >> 1 & 0x7fffffff) | ($R2 << 31);
+ $R3 = ((($R3 >> 31) & 1) | ($R3 << 1)) ^ ($t0 + ($t1 << 1) + '.$K[++$ki].');
+
+ $t0 = $S0[ $R2 & 0xff] ^
+ $S1[($R2 >> 8) & 0xff] ^
+ $S2[($R2 >> 16) & 0xff] ^
+ $S3[($R2 >> 24) & 0xff];
+ $t1 = $S0[($R3 >> 24) & 0xff] ^
+ $S1[ $R3 & 0xff] ^
+ $S2[($R3 >> 8) & 0xff] ^
+ $S3[($R3 >> 16) & 0xff];
+ $R0^= ($t0 + $t1 + '.$K[++$ki].');
+ $R0 = ($R0 >> 1 & 0x7fffffff) | ($R0 << 31);
+ $R1 = ((($R1 >> 31) & 1) | ($R1 << 1)) ^ ($t0 + ($t1 << 1) + '.$K[++$ki].');
+ ';
+ }
+ $encrypt_block.= '
+ $in = pack("V4", '.$K[4].' ^ $R2,
+ '.$K[5].' ^ $R3,
+ '.$K[6].' ^ $R0,
+ '.$K[7].' ^ $R1);
+ ';
+
+ // Generating decrypt code:
+ $decrypt_block = '
+ $in = unpack("V4", $in);
+ $R0 = '.$K[4].' ^ $in[1];
+ $R1 = '.$K[5].' ^ $in[2];
+ $R2 = '.$K[6].' ^ $in[3];
+ $R3 = '.$K[7].' ^ $in[4];
+ ';
+ for ($ki = 40, $i = 0; $i < 8; ++$i) {
+ $decrypt_block.= '
+ $t0 = $S0[$R0 & 0xff] ^
+ $S1[$R0 >> 8 & 0xff] ^
+ $S2[$R0 >> 16 & 0xff] ^
+ $S3[$R0 >> 24 & 0xff];
+ $t1 = $S0[$R1 >> 24 & 0xff] ^
+ $S1[$R1 & 0xff] ^
+ $S2[$R1 >> 8 & 0xff] ^
+ $S3[$R1 >> 16 & 0xff];
+ $R3^= $t0 + ($t1 << 1) + '.$K[--$ki].';
+ $R3 = $R3 >> 1 & 0x7fffffff | $R3 << 31;
+ $R2 = ($R2 >> 31 & 0x1 | $R2 << 1) ^ ($t0 + $t1 + '.$K[--$ki].');
+
+ $t0 = $S0[$R2 & 0xff] ^
+ $S1[$R2 >> 8 & 0xff] ^
+ $S2[$R2 >> 16 & 0xff] ^
+ $S3[$R2 >> 24 & 0xff];
+ $t1 = $S0[$R3 >> 24 & 0xff] ^
+ $S1[$R3 & 0xff] ^
+ $S2[$R3 >> 8 & 0xff] ^
+ $S3[$R3 >> 16 & 0xff];
+ $R1^= $t0 + ($t1 << 1) + '.$K[--$ki].';
+ $R1 = $R1 >> 1 & 0x7fffffff | $R1 << 31;
+ $R0 = ($R0 >> 31 & 0x1 | $R0 << 1) ^ ($t0 + $t1 + '.$K[--$ki].');
+ ';
+ }
+ $decrypt_block.= '
+ $in = pack("V4", '.$K[0].' ^ $R2,
+ '.$K[1].' ^ $R3,
+ '.$K[2].' ^ $R0,
+ '.$K[3].' ^ $R1);
+ ';
+
+ $lambda_functions[$code_hash] = $this->_createInlineCryptFunction(
+ array(
+ 'init_crypt' => $init_crypt,
+ 'init_encrypt' => '',
+ 'init_decrypt' => '',
+ 'encrypt_block' => $encrypt_block,
+ 'decrypt_block' => $decrypt_block
+ )
+ );
+ }
+ $this->inline_crypt = $lambda_functions[$code_hash];
+ }
+}
diff --git a/libs/phpseclib-0.3.7/File/ANSI.php b/libs/phpseclib-0.3.7/File/ANSI.php new file mode 100644 index 0000000..ef2ccbe --- /dev/null +++ b/libs/phpseclib-0.3.7/File/ANSI.php @@ -0,0 +1,559 @@ +<?php
+
+/**
+ * Pure-PHP ANSI Decoder
+ *
+ * PHP versions 4 and 5
+ *
+ * If you call read() in Net_SSH2 you may get {@link http://en.wikipedia.org/wiki/ANSI_escape_code ANSI escape codes} back.
+ * They'd look like chr(0x1B) . '[00m' or whatever (0x1B = ESC). They tell a
+ * {@link http://en.wikipedia.org/wiki/Terminal_emulator terminal emulator} how to format the characters, what
+ * color to display them in, etc. File_ANSI is a {@link http://en.wikipedia.org/wiki/VT100 VT100} terminal emulator.
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category File
+ * @package File_ANSI
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMXII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Pure-PHP ANSI Decoder
+ *
+ * @package File_ANSI
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class File_ANSI
+{
+ /**
+ * Max Width
+ *
+ * @var Integer
+ * @access private
+ */
+ var $max_x;
+
+ /**
+ * Max Height
+ *
+ * @var Integer
+ * @access private
+ */
+ var $max_y;
+
+ /**
+ * Max History
+ *
+ * @var Integer
+ * @access private
+ */
+ var $max_history;
+
+ /**
+ * History
+ *
+ * @var Array
+ * @access private
+ */
+ var $history;
+
+ /**
+ * History Attributes
+ *
+ * @var Array
+ * @access private
+ */
+ var $history_attrs;
+
+ /**
+ * Current Column
+ *
+ * @var Integer
+ * @access private
+ */
+ var $x;
+
+ /**
+ * Current Row
+ *
+ * @var Integer
+ * @access private
+ */
+ var $y;
+
+ /**
+ * Old Column
+ *
+ * @var Integer
+ * @access private
+ */
+ var $old_x;
+
+ /**
+ * Old Row
+ *
+ * @var Integer
+ * @access private
+ */
+ var $old_y;
+
+ /**
+ * An empty attribute row
+ *
+ * @var Array
+ * @access private
+ */
+ var $attr_row;
+
+ /**
+ * The current screen text
+ *
+ * @var Array
+ * @access private
+ */
+ var $screen;
+
+ /**
+ * The current screen attributes
+ *
+ * @var Array
+ * @access private
+ */
+ var $attrs;
+
+ /**
+ * The current foreground color
+ *
+ * @var String
+ * @access private
+ */
+ var $foreground;
+
+ /**
+ * The current background color
+ *
+ * @var String
+ * @access private
+ */
+ var $background;
+
+ /**
+ * Bold flag
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $bold;
+
+ /**
+ * Underline flag
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $underline;
+
+ /**
+ * Blink flag
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $blink;
+
+ /**
+ * Reverse flag
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $reverse;
+
+ /**
+ * Color flag
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $color;
+
+ /**
+ * Current ANSI code
+ *
+ * @var String
+ * @access private
+ */
+ var $ansi;
+
+ /**
+ * Default Constructor.
+ *
+ * @return File_ANSI
+ * @access public
+ */
+ function File_ANSI()
+ {
+ $this->setHistory(200);
+ $this->setDimensions(80, 24);
+ }
+
+ /**
+ * Set terminal width and height
+ *
+ * Resets the screen as well
+ *
+ * @param Integer $x
+ * @param Integer $y
+ * @access public
+ */
+ function setDimensions($x, $y)
+ {
+ $this->max_x = $x - 1;
+ $this->max_y = $y - 1;
+ $this->x = $this->y = 0;
+ $this->history = $this->history_attrs = array();
+ $this->attr_row = array_fill(0, $this->max_x + 1, '');
+ $this->screen = array_fill(0, $this->max_y + 1, '');
+ $this->attrs = array_fill(0, $this->max_y + 1, $this->attr_row);
+ $this->foreground = 'white';
+ $this->background = 'black';
+ $this->bold = false;
+ $this->underline = false;
+ $this->blink = false;
+ $this->reverse = false;
+ $this->color = false;
+
+ $this->ansi = '';
+ }
+
+ /**
+ * Set the number of lines that should be logged past the terminal height
+ *
+ * @param Integer $x
+ * @param Integer $y
+ * @access public
+ */
+ function setHistory($history)
+ {
+ $this->max_history = $history;
+ }
+
+ /**
+ * Load a string
+ *
+ * @param String $source
+ * @access public
+ */
+ function loadString($source)
+ {
+ $this->setDimensions($this->max_x + 1, $this->max_y + 1);
+ $this->appendString($source);
+ }
+
+ /**
+ * Appdend a string
+ *
+ * @param String $source
+ * @access public
+ */
+ function appendString($source)
+ {
+ for ($i = 0; $i < strlen($source); $i++) {
+ if (strlen($this->ansi)) {
+ $this->ansi.= $source[$i];
+ $chr = ord($source[$i]);
+ // http://en.wikipedia.org/wiki/ANSI_escape_code#Sequence_elements
+ // single character CSI's not currently supported
+ switch (true) {
+ case $this->ansi == "\x1B=":
+ $this->ansi = '';
+ continue 2;
+ case strlen($this->ansi) == 2 && $chr >= 64 && $chr <= 95 && $chr != ord('['):
+ case strlen($this->ansi) > 2 && $chr >= 64 && $chr <= 126:
+ break;
+ default:
+ continue 2;
+ }
+ // http://ascii-table.com/ansi-escape-sequences-vt-100.php
+ switch ($this->ansi) {
+ case "\x1B[H": // Move cursor to upper left corner
+ $this->old_x = $this->x;
+ $this->old_y = $this->y;
+ $this->x = $this->y = 0;
+ break;
+ case "\x1B[J": // Clear screen from cursor down
+ $this->history = array_merge($this->history, array_slice(array_splice($this->screen, $this->y + 1), 0, $this->old_y));
+ $this->screen = array_merge($this->screen, array_fill($this->y, $this->max_y, ''));
+
+ $this->history_attrs = array_merge($this->history_attrs, array_slice(array_splice($this->attrs, $this->y + 1), 0, $this->old_y));
+ $this->attrs = array_merge($this->attrs, array_fill($this->y, $this->max_y, $this->attr_row));
+
+ if (count($this->history) == $this->max_history) {
+ array_shift($this->history);
+ array_shift($this->history_attrs);
+ }
+ case "\x1B[K": // Clear screen from cursor right
+ $this->screen[$this->y] = substr($this->screen[$this->y], 0, $this->x);
+
+ array_splice($this->attrs[$this->y], $this->x + 1);
+ break;
+ case "\x1B[2K": // Clear entire line
+ $this->screen[$this->y] = str_repeat(' ', $this->x);
+ $this->attrs[$this->y] = $this->attr_row;
+ break;
+ case "\x1B[?1h": // set cursor key to application
+ case "\x1B[?25h": // show the cursor
+ break;
+ case "\x1BE": // Move to next line
+ $this->_newLine();
+ $this->x = 0;
+ break;
+ default:
+ switch (true) {
+ case preg_match('#\x1B\[(\d+);(\d+)H#', $this->ansi, $match): // Move cursor to screen location v,h
+ $this->old_x = $this->x;
+ $this->old_y = $this->y;
+ $this->x = $match[2] - 1;
+ $this->y = $match[1] - 1;
+ break;
+ case preg_match('#\x1B\[(\d+)C#', $this->ansi, $match): // Move cursor right n lines
+ $this->old_x = $this->x;
+ $x = $match[1] - 1;
+ break;
+ case preg_match('#\x1B\[(\d+);(\d+)r#', $this->ansi, $match): // Set top and bottom lines of a window
+ break;
+ case preg_match('#\x1B\[(\d*(?:;\d*)*)m#', $this->ansi, $match): // character attributes
+ $mods = explode(';', $match[1]);
+ foreach ($mods as $mod) {
+ switch ($mod) {
+ case 0: // Turn off character attributes
+ $this->attrs[$this->y][$this->x] = '';
+
+ if ($this->bold) $this->attrs[$this->y][$this->x].= '</b>';
+ if ($this->underline) $this->attrs[$this->y][$this->x].= '</u>';
+ if ($this->blink) $this->attrs[$this->y][$this->x].= '</blink>';
+ if ($this->color) $this->attrs[$this->y][$this->x].= '</span>';
+
+ if ($this->reverse) {
+ $temp = $this->background;
+ $this->background = $this->foreground;
+ $this->foreground = $temp;
+ }
+
+ $this->bold = $this->underline = $this->blink = $this->color = $this->reverse = false;
+ break;
+ case 1: // Turn bold mode on
+ if (!$this->bold) {
+ $this->attrs[$this->y][$this->x] = '<b>';
+ $this->bold = true;
+ }
+ break;
+ case 4: // Turn underline mode on
+ if (!$this->underline) {
+ $this->attrs[$this->y][$this->x] = '<u>';
+ $this->underline = true;
+ }
+ break;
+ case 5: // Turn blinking mode on
+ if (!$this->blink) {
+ $this->attrs[$this->y][$this->x] = '<blink>';
+ $this->blink = true;
+ }
+ break;
+ case 7: // Turn reverse video on
+ $this->reverse = !$this->reverse;
+ $temp = $this->background;
+ $this->background = $this->foreground;
+ $this->foreground = $temp;
+ $this->attrs[$this->y][$this->x] = '<span style="color: ' . $this->foreground . '; background: ' . $this->background . '">';
+ if ($this->color) {
+ $this->attrs[$this->y][$this->x] = '</span>' . $this->attrs[$this->y][$this->x];
+ }
+ $this->color = true;
+ break;
+ default: // set colors
+ //$front = $this->reverse ? &$this->background : &$this->foreground;
+ $front = &$this->{ $this->reverse ? 'background' : 'foreground' };
+ //$back = $this->reverse ? &$this->foreground : &$this->background;
+ $back = &$this->{ $this->reverse ? 'foreground' : 'background' };
+ switch ($mod) {
+ case 30: $front = 'black'; break;
+ case 31: $front = 'red'; break;
+ case 32: $front = 'green'; break;
+ case 33: $front = 'yellow'; break;
+ case 34: $front = 'blue'; break;
+ case 35: $front = 'magenta'; break;
+ case 36: $front = 'cyan'; break;
+ case 37: $front = 'white'; break;
+
+ case 40: $back = 'black'; break;
+ case 41: $back = 'red'; break;
+ case 42: $back = 'green'; break;
+ case 43: $back = 'yellow'; break;
+ case 44: $back = 'blue'; break;
+ case 45: $back = 'magenta'; break;
+ case 46: $back = 'cyan'; break;
+ case 47: $back = 'white'; break;
+
+ default:
+ user_error('Unsupported attribute: ' . $mod);
+ $this->ansi = '';
+ break 2;
+ }
+
+ unset($temp);
+ $this->attrs[$this->y][$this->x] = '<span style="color: ' . $this->foreground . '; background: ' . $this->background . '">';
+ if ($this->color) {
+ $this->attrs[$this->y][$this->x] = '</span>' . $this->attrs[$this->y][$this->x];
+ }
+ $this->color = true;
+ }
+ }
+ break;
+ default:
+ user_error("{$this->ansi} unsupported\r\n");
+ }
+ }
+ $this->ansi = '';
+ continue;
+ }
+
+ switch ($source[$i]) {
+ case "\r":
+ $this->x = 0;
+ break;
+ case "\n":
+ $this->_newLine();
+ break;
+ case "\x0F": // shift
+ break;
+ case "\x1B": // start ANSI escape code
+ $this->ansi.= "\x1B";
+ break;
+ default:
+ $this->screen[$this->y] = substr_replace(
+ $this->screen[$this->y],
+ $source[$i],
+ $this->x,
+ 1
+ );
+
+ if ($this->x > $this->max_x) {
+ $this->x = 0;
+ $this->y++;
+ } else {
+ $this->x++;
+ }
+ }
+ }
+ }
+
+ /**
+ * Add a new line
+ *
+ * Also update the $this->screen and $this->history buffers
+ *
+ * @access private
+ */
+ function _newLine()
+ {
+ //if ($this->y < $this->max_y) {
+ // $this->y++;
+ //}
+
+ while ($this->y >= $this->max_y) {
+ $this->history = array_merge($this->history, array(array_shift($this->screen)));
+ $this->screen[] = '';
+
+ $this->history_attrs = array_merge($this->history_attrs, array(array_shift($this->attrs)));
+ $this->attrs[] = $this->attr_row;
+
+ if (count($this->history) >= $this->max_history) {
+ array_shift($this->history);
+ array_shift($this->history_attrs);
+ }
+
+ $this->y--;
+ }
+ $this->y++;
+ }
+
+ /**
+ * Returns the current screen without preformating
+ *
+ * @access private
+ * @return String
+ */
+ function _getScreen()
+ {
+ $output = '';
+ for ($i = 0; $i <= $this->max_y; $i++) {
+ for ($j = 0; $j <= $this->max_x + 1; $j++) {
+ if (isset($this->attrs[$i][$j])) {
+ $output.= $this->attrs[$i][$j];
+ }
+ if (isset($this->screen[$i][$j])) {
+ $output.= htmlspecialchars($this->screen[$i][$j]);
+ }
+ }
+ $output.= "\r\n";
+ }
+ return rtrim($output);
+ }
+
+ /**
+ * Returns the current screen
+ *
+ * @access public
+ * @return String
+ */
+ function getScreen()
+ {
+ return '<pre style="color: white; background: black" width="' . ($this->max_x + 1) . '">' . $this->_getScreen() . '</pre>';
+ }
+
+ /**
+ * Returns the current screen and the x previous lines
+ *
+ * @access public
+ * @return String
+ */
+ function getHistory()
+ {
+ $scrollback = '';
+ for ($i = 0; $i < count($this->history); $i++) {
+ for ($j = 0; $j <= $this->max_x + 1; $j++) {
+ if (isset($this->history_attrs[$i][$j])) {
+ $scrollback.= $this->history_attrs[$i][$j];
+ }
+ if (isset($this->history[$i][$j])) {
+ $scrollback.= htmlspecialchars($this->history[$i][$j]);
+ }
+ }
+ $scrollback.= "\r\n";
+ }
+ $scrollback.= $this->_getScreen();
+
+ return '<pre style="color: white; background: black" width="' . ($this->max_x + 1) . '">' . $scrollback . '</pre>';
+ }
+}
diff --git a/libs/phpseclib-0.3.7/File/ASN1.php b/libs/phpseclib-0.3.7/File/ASN1.php new file mode 100644 index 0000000..2ca8bc8 --- /dev/null +++ b/libs/phpseclib-0.3.7/File/ASN1.php @@ -0,0 +1,1337 @@ +<?php
+
+/**
+ * Pure-PHP ASN.1 Parser
+ *
+ * PHP versions 4 and 5
+ *
+ * ASN.1 provides the semantics for data encoded using various schemes. The most commonly
+ * utilized scheme is DER or the "Distinguished Encoding Rules". PEM's are base64 encoded
+ * DER blobs.
+ *
+ * File_ASN1 decodes and encodes DER formatted messages and places them in a semantic context.
+ *
+ * Uses the 1988 ASN.1 syntax.
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category File
+ * @package File_ASN1
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMXII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**#@+
+ * Tag Classes
+ *
+ * @access private
+ * @link http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=12
+ */
+define('FILE_ASN1_CLASS_UNIVERSAL', 0);
+define('FILE_ASN1_CLASS_APPLICATION', 1);
+define('FILE_ASN1_CLASS_CONTEXT_SPECIFIC', 2);
+define('FILE_ASN1_CLASS_PRIVATE', 3);
+/**#@-*/
+
+/**#@+
+ * Tag Classes
+ *
+ * @access private
+ * @link http://www.obj-sys.com/asn1tutorial/node124.html
+ */
+define('FILE_ASN1_TYPE_BOOLEAN', 1);
+define('FILE_ASN1_TYPE_INTEGER', 2);
+define('FILE_ASN1_TYPE_BIT_STRING', 3);
+define('FILE_ASN1_TYPE_OCTET_STRING', 4);
+define('FILE_ASN1_TYPE_NULL', 5);
+define('FILE_ASN1_TYPE_OBJECT_IDENTIFIER', 6);
+//define('FILE_ASN1_TYPE_OBJECT_DESCRIPTOR', 7);
+//define('FILE_ASN1_TYPE_INSTANCE_OF', 8); // EXTERNAL
+define('FILE_ASN1_TYPE_REAL', 9);
+define('FILE_ASN1_TYPE_ENUMERATED', 10);
+//define('FILE_ASN1_TYPE_EMBEDDED', 11);
+define('FILE_ASN1_TYPE_UTF8_STRING', 12);
+//define('FILE_ASN1_TYPE_RELATIVE_OID', 13);
+define('FILE_ASN1_TYPE_SEQUENCE', 16); // SEQUENCE OF
+define('FILE_ASN1_TYPE_SET', 17); // SET OF
+/**#@-*/
+/**#@+
+ * More Tag Classes
+ *
+ * @access private
+ * @link http://www.obj-sys.com/asn1tutorial/node10.html
+ */
+define('FILE_ASN1_TYPE_NUMERIC_STRING', 18);
+define('FILE_ASN1_TYPE_PRINTABLE_STRING', 19);
+define('FILE_ASN1_TYPE_TELETEX_STRING', 20); // T61String
+define('FILE_ASN1_TYPE_VIDEOTEX_STRING', 21);
+define('FILE_ASN1_TYPE_IA5_STRING', 22);
+define('FILE_ASN1_TYPE_UTC_TIME', 23);
+define('FILE_ASN1_TYPE_GENERALIZED_TIME', 24);
+define('FILE_ASN1_TYPE_GRAPHIC_STRING', 25);
+define('FILE_ASN1_TYPE_VISIBLE_STRING', 26); // ISO646String
+define('FILE_ASN1_TYPE_GENERAL_STRING', 27);
+define('FILE_ASN1_TYPE_UNIVERSAL_STRING', 28);
+//define('FILE_ASN1_TYPE_CHARACTER_STRING', 29);
+define('FILE_ASN1_TYPE_BMP_STRING', 30);
+/**#@-*/
+
+/**#@+
+ * Tag Aliases
+ *
+ * These tags are kinda place holders for other tags.
+ *
+ * @access private
+ */
+define('FILE_ASN1_TYPE_CHOICE', -1);
+define('FILE_ASN1_TYPE_ANY', -2);
+/**#@-*/
+
+/**
+ * ASN.1 Element
+ *
+ * Bypass normal encoding rules in File_ASN1::encodeDER()
+ *
+ * @package File_ASN1
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class File_ASN1_Element
+{
+ /**
+ * Raw element value
+ *
+ * @var String
+ * @access private
+ */
+ var $element;
+
+ /**
+ * Constructor
+ *
+ * @param String $encoded
+ * @return File_ASN1_Element
+ * @access public
+ */
+ function File_ASN1_Element($encoded)
+ {
+ $this->element = $encoded;
+ }
+}
+
+/**
+ * Pure-PHP ASN.1 Parser
+ *
+ * @package File_ASN1
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class File_ASN1
+{
+ /**
+ * ASN.1 object identifier
+ *
+ * @var Array
+ * @access private
+ * @link http://en.wikipedia.org/wiki/Object_identifier
+ */
+ var $oids = array();
+
+ /**
+ * Default date format
+ *
+ * @var String
+ * @access private
+ * @link http://php.net/class.datetime
+ */
+ var $format = 'D, d M Y H:i:s O';
+
+ /**
+ * Default date format
+ *
+ * @var Array
+ * @access private
+ * @see File_ASN1::setTimeFormat()
+ * @see File_ASN1::asn1map()
+ * @link http://php.net/class.datetime
+ */
+ var $encoded;
+
+ /**
+ * Filters
+ *
+ * If the mapping type is FILE_ASN1_TYPE_ANY what do we actually encode it as?
+ *
+ * @var Array
+ * @access private
+ * @see File_ASN1::_encode_der()
+ */
+ var $filters;
+
+ /**
+ * Type mapping table for the ANY type.
+ *
+ * Structured or unknown types are mapped to a FILE_ASN1_Element.
+ * Unambiguous types get the direct mapping (int/real/bool).
+ * Others are mapped as a choice, with an extra indexing level.
+ *
+ * @var Array
+ * @access public
+ */
+ var $ANYmap = array(
+ FILE_ASN1_TYPE_BOOLEAN => true,
+ FILE_ASN1_TYPE_INTEGER => true,
+ FILE_ASN1_TYPE_BIT_STRING => 'bitString',
+ FILE_ASN1_TYPE_OCTET_STRING => 'octetString',
+ FILE_ASN1_TYPE_NULL => 'null',
+ FILE_ASN1_TYPE_OBJECT_IDENTIFIER => 'objectIdentifier',
+ FILE_ASN1_TYPE_REAL => true,
+ FILE_ASN1_TYPE_ENUMERATED => 'enumerated',
+ FILE_ASN1_TYPE_UTF8_STRING => 'utf8String',
+ FILE_ASN1_TYPE_NUMERIC_STRING => 'numericString',
+ FILE_ASN1_TYPE_PRINTABLE_STRING => 'printableString',
+ FILE_ASN1_TYPE_TELETEX_STRING => 'teletexString',
+ FILE_ASN1_TYPE_VIDEOTEX_STRING => 'videotexString',
+ FILE_ASN1_TYPE_IA5_STRING => 'ia5String',
+ FILE_ASN1_TYPE_UTC_TIME => 'utcTime',
+ FILE_ASN1_TYPE_GENERALIZED_TIME => 'generalTime',
+ FILE_ASN1_TYPE_GRAPHIC_STRING => 'graphicString',
+ FILE_ASN1_TYPE_VISIBLE_STRING => 'visibleString',
+ FILE_ASN1_TYPE_GENERAL_STRING => 'generalString',
+ FILE_ASN1_TYPE_UNIVERSAL_STRING => 'universalString',
+ //FILE_ASN1_TYPE_CHARACTER_STRING => 'characterString',
+ FILE_ASN1_TYPE_BMP_STRING => 'bmpString'
+ );
+
+ /**
+ * String type to character size mapping table.
+ *
+ * Non-convertable types are absent from this table.
+ * size == 0 indicates variable length encoding.
+ *
+ * @var Array
+ * @access public
+ */
+ var $stringTypeSize = array(
+ FILE_ASN1_TYPE_UTF8_STRING => 0,
+ FILE_ASN1_TYPE_BMP_STRING => 2,
+ FILE_ASN1_TYPE_UNIVERSAL_STRING => 4,
+ FILE_ASN1_TYPE_PRINTABLE_STRING => 1,
+ FILE_ASN1_TYPE_TELETEX_STRING => 1,
+ FILE_ASN1_TYPE_IA5_STRING => 1,
+ FILE_ASN1_TYPE_VISIBLE_STRING => 1,
+ );
+
+ /**
+ * Default Constructor.
+ *
+ * @access public
+ */
+ function File_ASN1()
+ {
+ static $static_init = null;
+ if (!$static_init) {
+ $static_init = true;
+ if (!class_exists('Math_BigInteger')) {
+ include_once 'Math/BigInteger.php';
+ }
+ }
+ }
+
+ /**
+ * Parse BER-encoding
+ *
+ * Serves a similar purpose to openssl's asn1parse
+ *
+ * @param String $encoded
+ * @return Array
+ * @access public
+ */
+ function decodeBER($encoded)
+ {
+ if (is_object($encoded) && strtolower(get_class($encoded)) == 'file_asn1_element') {
+ $encoded = $encoded->element;
+ }
+
+ $this->encoded = $encoded;
+ return $this->_decode_ber($encoded);
+ }
+
+ /**
+ * Parse BER-encoding (Helper function)
+ *
+ * Sometimes we want to get the BER encoding of a particular tag. $start lets us do that without having to reencode.
+ * $encoded is passed by reference for the recursive calls done for FILE_ASN1_TYPE_BIT_STRING and
+ * FILE_ASN1_TYPE_OCTET_STRING. In those cases, the indefinite length is used.
+ *
+ * @param String $encoded
+ * @param Integer $start
+ * @return Array
+ * @access private
+ */
+ function _decode_ber(&$encoded, $start = 0)
+ {
+ $decoded = array();
+
+ while ( strlen($encoded) ) {
+ $current = array('start' => $start);
+
+ $type = ord($this->_string_shift($encoded));
+ $start++;
+
+ $constructed = ($type >> 5) & 1;
+
+ $tag = $type & 0x1F;
+ if ($tag == 0x1F) {
+ $tag = 0;
+ // process septets (since the eighth bit is ignored, it's not an octet)
+ do {
+ $loop = ord($encoded[0]) >> 7;
+ $tag <<= 7;
+ $tag |= ord($this->_string_shift($encoded)) & 0x7F;
+ $start++;
+ } while ( $loop );
+ }
+
+ // Length, as discussed in paragraph 8.1.3 of X.690-0207.pdf#page=13
+ $length = ord($this->_string_shift($encoded));
+ $start++;
+ if ( $length == 0x80 ) { // indefinite length
+ // "[A sender shall] use the indefinite form (see 8.1.3.6) if the encoding is constructed and is not all
+ // immediately available." -- paragraph 8.1.3.2.c
+ //if ( !$constructed ) {
+ // return false;
+ //}
+ $length = strlen($encoded);
+ } elseif ( $length & 0x80 ) { // definite length, long form
+ // technically, the long form of the length can be represented by up to 126 octets (bytes), but we'll only
+ // support it up to four.
+ $length&= 0x7F;
+ $temp = $this->_string_shift($encoded, $length);
+ // tags of indefinite length don't really have a header length; this length includes the tag
+ $current+= array('headerlength' => $length + 2);
+ $start+= $length;
+ extract(unpack('Nlength', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4)));
+ } else {
+ $current+= array('headerlength' => 2);
+ }
+
+ // End-of-content, see paragraphs 8.1.1.3, 8.1.3.2, 8.1.3.6, 8.1.5, and (for an example) 8.6.4.2
+ if (!$type && !$length) {
+ return $decoded;
+ }
+ $content = $this->_string_shift($encoded, $length);
+
+ /* Class is UNIVERSAL, APPLICATION, PRIVATE, or CONTEXT-SPECIFIC. The UNIVERSAL class is restricted to the ASN.1
+ built-in types. It defines an application-independent data type that must be distinguishable from all other
+ data types. The other three classes are user defined. The APPLICATION class distinguishes data types that
+ have a wide, scattered use within a particular presentation context. PRIVATE distinguishes data types within
+ a particular organization or country. CONTEXT-SPECIFIC distinguishes members of a sequence or set, the
+ alternatives of a CHOICE, or universally tagged set members. Only the class number appears in braces for this
+ data type; the term CONTEXT-SPECIFIC does not appear.
+
+ -- http://www.obj-sys.com/asn1tutorial/node12.html */
+ $class = ($type >> 6) & 3;
+ switch ($class) {
+ case FILE_ASN1_CLASS_APPLICATION:
+ case FILE_ASN1_CLASS_PRIVATE:
+ case FILE_ASN1_CLASS_CONTEXT_SPECIFIC:
+ $decoded[] = array(
+ 'type' => $class,
+ 'constant' => $tag,
+ 'content' => $constructed ? $this->_decode_ber($content, $start) : $content,
+ 'length' => $length + $start - $current['start']
+ ) + $current;
+ $start+= $length;
+ continue 2;
+ }
+
+ $current+= array('type' => $tag);
+
+ // decode UNIVERSAL tags
+ switch ($tag) {
+ case FILE_ASN1_TYPE_BOOLEAN:
+ // "The contents octets shall consist of a single octet." -- paragraph 8.2.1
+ //if (strlen($content) != 1) {
+ // return false;
+ //}
+ $current['content'] = (bool) ord($content[0]);
+ break;
+ case FILE_ASN1_TYPE_INTEGER:
+ case FILE_ASN1_TYPE_ENUMERATED:
+ $current['content'] = new Math_BigInteger($content, -256);
+ break;
+ case FILE_ASN1_TYPE_REAL: // not currently supported
+ return false;
+ case FILE_ASN1_TYPE_BIT_STRING:
+ // The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit,
+ // the number of unused bits in the final subsequent octet. The number shall be in the range zero to
+ // seven.
+ if (!$constructed) {
+ $current['content'] = $content;
+ } else {
+ $temp = $this->_decode_ber($content, $start);
+ $length-= strlen($content);
+ $last = count($temp) - 1;
+ for ($i = 0; $i < $last; $i++) {
+ // all subtags should be bit strings
+ //if ($temp[$i]['type'] != FILE_ASN1_TYPE_BIT_STRING) {
+ // return false;
+ //}
+ $current['content'].= substr($temp[$i]['content'], 1);
+ }
+ // all subtags should be bit strings
+ //if ($temp[$last]['type'] != FILE_ASN1_TYPE_BIT_STRING) {
+ // return false;
+ //}
+ $current['content'] = $temp[$last]['content'][0] . $current['content'] . substr($temp[$i]['content'], 1);
+ }
+ break;
+ case FILE_ASN1_TYPE_OCTET_STRING:
+ if (!$constructed) {
+ $current['content'] = $content;
+ } else {
+ $temp = $this->_decode_ber($content, $start);
+ $length-= strlen($content);
+ for ($i = 0, $size = count($temp); $i < $size; $i++) {
+ // all subtags should be octet strings
+ //if ($temp[$i]['type'] != FILE_ASN1_TYPE_OCTET_STRING) {
+ // return false;
+ //}
+ $current['content'].= $temp[$i]['content'];
+ }
+ // $length =
+ }
+ break;
+ case FILE_ASN1_TYPE_NULL:
+ // "The contents octets shall not contain any octets." -- paragraph 8.8.2
+ //if (strlen($content)) {
+ // return false;
+ //}
+ break;
+ case FILE_ASN1_TYPE_SEQUENCE:
+ case FILE_ASN1_TYPE_SET:
+ $current['content'] = $this->_decode_ber($content, $start);
+ break;
+ case FILE_ASN1_TYPE_OBJECT_IDENTIFIER:
+ $temp = ord($this->_string_shift($content));
+ $current['content'] = sprintf('%d.%d', floor($temp / 40), $temp % 40);
+ $valuen = 0;
+ // process septets
+ while (strlen($content)) {
+ $temp = ord($this->_string_shift($content));
+ $valuen <<= 7;
+ $valuen |= $temp & 0x7F;
+ if (~$temp & 0x80) {
+ $current['content'].= ".$valuen";
+ $valuen = 0;
+ }
+ }
+ // the eighth bit of the last byte should not be 1
+ //if ($temp >> 7) {
+ // return false;
+ //}
+ break;
+ /* Each character string type shall be encoded as if it had been declared:
+ [UNIVERSAL x] IMPLICIT OCTET STRING
+
+ -- X.690-0207.pdf#page=23 (paragraph 8.21.3)
+
+ Per that, we're not going to do any validation. If there are any illegal characters in the string,
+ we don't really care */
+ case FILE_ASN1_TYPE_NUMERIC_STRING:
+ // 0,1,2,3,4,5,6,7,8,9, and space
+ case FILE_ASN1_TYPE_PRINTABLE_STRING:
+ // Upper and lower case letters, digits, space, apostrophe, left/right parenthesis, plus sign, comma,
+ // hyphen, full stop, solidus, colon, equal sign, question mark
+ case FILE_ASN1_TYPE_TELETEX_STRING:
+ // The Teletex character set in CCITT's T61, space, and delete
+ // see http://en.wikipedia.org/wiki/Teletex#Character_sets
+ case FILE_ASN1_TYPE_VIDEOTEX_STRING:
+ // The Videotex character set in CCITT's T.100 and T.101, space, and delete
+ case FILE_ASN1_TYPE_VISIBLE_STRING:
+ // Printing character sets of international ASCII, and space
+ case FILE_ASN1_TYPE_IA5_STRING:
+ // International Alphabet 5 (International ASCII)
+ case FILE_ASN1_TYPE_GRAPHIC_STRING:
+ // All registered G sets, and space
+ case FILE_ASN1_TYPE_GENERAL_STRING:
+ // All registered C and G sets, space and delete
+ case FILE_ASN1_TYPE_UTF8_STRING:
+ // ????
+ case FILE_ASN1_TYPE_BMP_STRING:
+ $current['content'] = $content;
+ break;
+ case FILE_ASN1_TYPE_UTC_TIME:
+ case FILE_ASN1_TYPE_GENERALIZED_TIME:
+ $current['content'] = $this->_decodeTime($content, $tag);
+ default:
+
+ }
+
+ $start+= $length;
+ $decoded[] = $current + array('length' => $start - $current['start']);
+ }
+
+ return $decoded;
+ }
+
+ /**
+ * ASN.1 Decode
+ *
+ * Provides an ASN.1 semantic mapping ($mapping) from a parsed BER-encoding to a human readable format.
+ *
+ * "Special" mappings may be applied on a per tag-name basis via $special.
+ *
+ * @param Array $decoded
+ * @param Array $mapping
+ * @param Array $special
+ * @return Array
+ * @access public
+ */
+ function asn1map($decoded, $mapping, $special = array())
+ {
+ if (isset($mapping['explicit']) && is_array($decoded['content'])) {
+ $decoded = $decoded['content'][0];
+ }
+
+ switch (true) {
+ case $mapping['type'] == FILE_ASN1_TYPE_ANY:
+ $intype = $decoded['type'];
+ if (isset($decoded['constant']) || !isset($this->ANYmap[$intype]) || ($this->encoded[$decoded['start']] & 0x20)) {
+ return new File_ASN1_Element(substr($this->encoded, $decoded['start'], $decoded['length']));
+ }
+ $inmap = $this->ANYmap[$intype];
+ if (is_string($inmap)) {
+ return array($inmap => $this->asn1map($decoded, array('type' => $intype) + $mapping, $special));
+ }
+ break;
+ case $mapping['type'] == FILE_ASN1_TYPE_CHOICE:
+ foreach ($mapping['children'] as $key => $option) {
+ switch (true) {
+ case isset($option['constant']) && $option['constant'] == $decoded['constant']:
+ case !isset($option['constant']) && $option['type'] == $decoded['type']:
+ $value = $this->asn1map($decoded, $option, $special);
+ break;
+ case !isset($option['constant']) && $option['type'] == FILE_ASN1_TYPE_CHOICE:
+ $v = $this->asn1map($decoded, $option, $special);
+ if (isset($v)) {
+ $value = $v;
+ }
+ }
+ if (isset($value)) {
+ if (isset($special[$key])) {
+ $value = call_user_func($special[$key], $value);
+ }
+ return array($key => $value);
+ }
+ }
+ return null;
+ case isset($mapping['implicit']):
+ case isset($mapping['explicit']):
+ case $decoded['type'] == $mapping['type']:
+ break;
+ default:
+ // if $decoded['type'] and $mapping['type'] are both strings, but different types of strings,
+ // let it through
+ switch (true) {
+ case $decoded['type'] < 18: // FILE_ASN1_TYPE_NUMERIC_STRING == 18
+ case $decoded['type'] > 30: // FILE_ASN1_TYPE_BMP_STRING == 30
+ case $mapping['type'] < 18:
+ case $mapping['type'] > 30:
+ return null;
+ }
+ }
+
+ if (isset($mapping['implicit'])) {
+ $decoded['type'] = $mapping['type'];
+ }
+
+ switch ($decoded['type']) {
+ case FILE_ASN1_TYPE_SEQUENCE:
+ $map = array();
+
+ // ignore the min and max
+ if (isset($mapping['min']) && isset($mapping['max'])) {
+ $child = $mapping['children'];
+ foreach ($decoded['content'] as $content) {
+ if (($map[] = $this->asn1map($content, $child, $special)) === null) {
+ return null;
+ }
+ }
+
+ return $map;
+ }
+
+ $n = count($decoded['content']);
+ $i = 0;
+
+ foreach ($mapping['children'] as $key => $child) {
+ $maymatch = $i < $n; // Match only existing input.
+ if ($maymatch) {
+ $temp = $decoded['content'][$i];
+
+ if ($child['type'] != FILE_ASN1_TYPE_CHOICE) {
+ // Get the mapping and input class & constant.
+ $childClass = $tempClass = FILE_ASN1_CLASS_UNIVERSAL;
+ $constant = null;
+ if (isset($temp['constant'])) {
+ $tempClass = isset($temp['class']) ? $temp['class'] : FILE_ASN1_CLASS_CONTEXT_SPECIFIC;
+ }
+ if (isset($child['class'])) {
+ $childClass = $child['class'];
+ $constant = $child['cast'];
+ } elseif (isset($child['constant'])) {
+ $childClass = FILE_ASN1_CLASS_CONTEXT_SPECIFIC;
+ $constant = $child['constant'];
+ }
+
+ if (isset($constant) && isset($temp['constant'])) {
+ // Can only match if constants and class match.
+ $maymatch = $constant == $temp['constant'] && $childClass == $tempClass;
+ } else {
+ // Can only match if no constant expected and type matches or is generic.
+ $maymatch = !isset($child['constant']) && array_search($child['type'], array($temp['type'], FILE_ASN1_TYPE_ANY, FILE_ASN1_TYPE_CHOICE)) !== false;
+ }
+ }
+ }
+
+ if ($maymatch) {
+ // Attempt submapping.
+ $candidate = $this->asn1map($temp, $child, $special);
+ $maymatch = $candidate !== null;
+ }
+
+ if ($maymatch) {
+ // Got the match: use it.
+ if (isset($special[$key])) {
+ $candidate = call_user_func($special[$key], $candidate);
+ }
+ $map[$key] = $candidate;
+ $i++;
+ } elseif (isset($child['default'])) {
+ $map[$key] = $child['default']; // Use default.
+ } elseif (!isset($child['optional'])) {
+ return null; // Syntax error.
+ }
+ }
+
+ // Fail mapping if all input items have not been consumed.
+ return $i < $n? null: $map;
+
+ // the main diff between sets and sequences is the encapsulation of the foreach in another for loop
+ case FILE_ASN1_TYPE_SET:
+ $map = array();
+
+ // ignore the min and max
+ if (isset($mapping['min']) && isset($mapping['max'])) {
+ $child = $mapping['children'];
+ foreach ($decoded['content'] as $content) {
+ if (($map[] = $this->asn1map($content, $child, $special)) === null) {
+ return null;
+ }
+ }
+
+ return $map;
+ }
+
+ for ($i = 0; $i < count($decoded['content']); $i++) {
+ $temp = $decoded['content'][$i];
+ $tempClass = FILE_ASN1_CLASS_UNIVERSAL;
+ if (isset($temp['constant'])) {
+ $tempClass = isset($temp['class']) ? $temp['class'] : FILE_ASN1_CLASS_CONTEXT_SPECIFIC;
+ }
+
+ foreach ($mapping['children'] as $key => $child) {
+ if (isset($map[$key])) {
+ continue;
+ }
+ $maymatch = true;
+ if ($child['type'] != FILE_ASN1_TYPE_CHOICE) {
+ $childClass = FILE_ASN1_CLASS_UNIVERSAL;
+ $constant = null;
+ if (isset($child['class'])) {
+ $childClass = $child['class'];
+ $constant = $child['cast'];
+ } elseif (isset($child['constant'])) {
+ $childClass = FILE_ASN1_CLASS_CONTEXT_SPECIFIC;
+ $constant = $child['constant'];
+ }
+
+ if (isset($constant) && isset($temp['constant'])) {
+ // Can only match if constants and class match.
+ $maymatch = $constant == $temp['constant'] && $childClass == $tempClass;
+ } else {
+ // Can only match if no constant expected and type matches or is generic.
+ $maymatch = !isset($child['constant']) && array_search($child['type'], array($temp['type'], FILE_ASN1_TYPE_ANY, FILE_ASN1_TYPE_CHOICE)) !== false;
+ }
+ }
+
+ if ($maymatch) {
+ // Attempt submapping.
+ $candidate = $this->asn1map($temp, $child, $special);
+ $maymatch = $candidate !== null;
+ }
+
+ if (!$maymatch) {
+ break;
+ }
+
+ // Got the match: use it.
+ if (isset($special[$key])) {
+ $candidate = call_user_func($special[$key], $candidate);
+ }
+ $map[$key] = $candidate;
+ break;
+ }
+ }
+
+ foreach ($mapping['children'] as $key => $child) {
+ if (!isset($map[$key])) {
+ if (isset($child['default'])) {
+ $map[$key] = $child['default'];
+ } elseif (!isset($child['optional'])) {
+ return null;
+ }
+ }
+ }
+ return $map;
+ case FILE_ASN1_TYPE_OBJECT_IDENTIFIER:
+ return isset($this->oids[$decoded['content']]) ? $this->oids[$decoded['content']] : $decoded['content'];
+ case FILE_ASN1_TYPE_UTC_TIME:
+ case FILE_ASN1_TYPE_GENERALIZED_TIME:
+ if (isset($mapping['implicit'])) {
+ $decoded['content'] = $this->_decodeTime($decoded['content'], $decoded['type']);
+ }
+ return @date($this->format, $decoded['content']);
+ case FILE_ASN1_TYPE_BIT_STRING:
+ if (isset($mapping['mapping'])) {
+ $offset = ord($decoded['content'][0]);
+ $size = (strlen($decoded['content']) - 1) * 8 - $offset;
+ /*
+ From X.680-0207.pdf#page=46 (21.7):
+
+ "When a "NamedBitList" is used in defining a bitstring type ASN.1 encoding rules are free to add (or remove)
+ arbitrarily any trailing 0 bits to (or from) values that are being encoded or decoded. Application designers should
+ therefore ensure that different semantics are not associated with such values which differ only in the number of trailing
+ 0 bits."
+ */
+ $bits = count($mapping['mapping']) == $size ? array() : array_fill(0, count($mapping['mapping']) - $size, false);
+ for ($i = strlen($decoded['content']) - 1; $i > 0; $i--) {
+ $current = ord($decoded['content'][$i]);
+ for ($j = $offset; $j < 8; $j++) {
+ $bits[] = (bool) ($current & (1 << $j));
+ }
+ $offset = 0;
+ }
+ $values = array();
+ $map = array_reverse($mapping['mapping']);
+ foreach ($map as $i => $value) {
+ if ($bits[$i]) {
+ $values[] = $value;
+ }
+ }
+ return $values;
+ }
+ case FILE_ASN1_TYPE_OCTET_STRING:
+ return base64_encode($decoded['content']);
+ case FILE_ASN1_TYPE_NULL:
+ return '';
+ case FILE_ASN1_TYPE_BOOLEAN:
+ return $decoded['content'];
+ case FILE_ASN1_TYPE_NUMERIC_STRING:
+ case FILE_ASN1_TYPE_PRINTABLE_STRING:
+ case FILE_ASN1_TYPE_TELETEX_STRING:
+ case FILE_ASN1_TYPE_VIDEOTEX_STRING:
+ case FILE_ASN1_TYPE_IA5_STRING:
+ case FILE_ASN1_TYPE_GRAPHIC_STRING:
+ case FILE_ASN1_TYPE_VISIBLE_STRING:
+ case FILE_ASN1_TYPE_GENERAL_STRING:
+ case FILE_ASN1_TYPE_UNIVERSAL_STRING:
+ case FILE_ASN1_TYPE_UTF8_STRING:
+ case FILE_ASN1_TYPE_BMP_STRING:
+ return $decoded['content'];
+ case FILE_ASN1_TYPE_INTEGER:
+ case FILE_ASN1_TYPE_ENUMERATED:
+ $temp = $decoded['content'];
+ if (isset($mapping['implicit'])) {
+ $temp = new Math_BigInteger($decoded['content'], -256);
+ }
+ if (isset($mapping['mapping'])) {
+ $temp = (int) $temp->toString();
+ return isset($mapping['mapping'][$temp]) ?
+ $mapping['mapping'][$temp] :
+ false;
+ }
+ return $temp;
+ }
+ }
+
+ /**
+ * ASN.1 Encode
+ *
+ * DER-encodes an ASN.1 semantic mapping ($mapping). Some libraries would probably call this function
+ * an ASN.1 compiler.
+ *
+ * "Special" mappings can be applied via $special.
+ *
+ * @param String $source
+ * @param String $mapping
+ * @param Integer $idx
+ * @return String
+ * @access public
+ */
+ function encodeDER($source, $mapping, $special = array())
+ {
+ $this->location = array();
+ return $this->_encode_der($source, $mapping, null, $special);
+ }
+
+ /**
+ * ASN.1 Encode (Helper function)
+ *
+ * @param String $source
+ * @param Array $mapping
+ * @param Integer $idx
+ * @param Array $special
+ * @return String
+ * @access private
+ */
+ /**
+ * ASN.1 Encode (Helper function)
+ *
+ * @param String $source
+ * @param String $mapping
+ * @param Integer $idx
+ * @return String
+ * @access private
+ */
+ function _encode_der($source, $mapping, $idx = null, $special = array())
+ {
+ if (is_object($source) && strtolower(get_class($source)) == 'file_asn1_element') {
+ return $source->element;
+ }
+
+ // do not encode (implicitly optional) fields with value set to default
+ if (isset($mapping['default']) && $source === $mapping['default']) {
+ return '';
+ }
+
+ if (isset($idx)) {
+ if (isset($special[$idx])) {
+ $source = call_user_func($special[$idx], $source);
+ }
+ $this->location[] = $idx;
+ }
+
+ $tag = $mapping['type'];
+
+ switch ($tag) {
+ case FILE_ASN1_TYPE_SET: // Children order is not important, thus process in sequence.
+ case FILE_ASN1_TYPE_SEQUENCE:
+ $tag|= 0x20; // set the constructed bit
+ $value = '';
+
+ // ignore the min and max
+ if (isset($mapping['min']) && isset($mapping['max'])) {
+ $child = $mapping['children'];
+
+ foreach ($source as $content) {
+ $temp = $this->_encode_der($content, $child, null, $special);
+ if ($temp === false) {
+ return false;
+ }
+ $value.= $temp;
+ }
+ break;
+ }
+
+ foreach ($mapping['children'] as $key => $child) {
+ if (!isset($source[$key])) {
+ if (!isset($child['optional'])) {
+ return false;
+ }
+ continue;
+ }
+
+ $temp = $this->_encode_der($source[$key], $child, $key, $special);
+ if ($temp === false) {
+ return false;
+ }
+
+ // An empty child encoding means it has been optimized out.
+ // Else we should have at least one tag byte.
+ if ($temp === '') {
+ continue;
+ }
+
+ // if isset($child['constant']) is true then isset($child['optional']) should be true as well
+ if (isset($child['constant'])) {
+ /*
+ From X.680-0207.pdf#page=58 (30.6):
+
+ "The tagging construction specifies explicit tagging if any of the following holds:
+ ...
+ c) the "Tag Type" alternative is used and the value of "TagDefault" for the module is IMPLICIT TAGS or
+ AUTOMATIC TAGS, but the type defined by "Type" is an untagged choice type, an untagged open type, or
+ an untagged "DummyReference" (see ITU-T Rec. X.683 | ISO/IEC 8824-4, 8.3)."
+ */
+ if (isset($child['explicit']) || $child['type'] == FILE_ASN1_TYPE_CHOICE) {
+ $subtag = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']);
+ $temp = $subtag . $this->_encodeLength(strlen($temp)) . $temp;
+ } else {
+ $subtag = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']);
+ $temp = $subtag . substr($temp, 1);
+ }
+ }
+ $value.= $temp;
+ }
+ break;
+ case FILE_ASN1_TYPE_CHOICE:
+ $temp = false;
+
+ foreach ($mapping['children'] as $key => $child) {
+ if (!isset($source[$key])) {
+ continue;
+ }
+
+ $temp = $this->_encode_der($source[$key], $child, $key, $special);
+ if ($temp === false) {
+ return false;
+ }
+
+ // An empty child encoding means it has been optimized out.
+ // Else we should have at least one tag byte.
+ if ($temp === '') {
+ continue;
+ }
+
+ $tag = ord($temp[0]);
+
+ // if isset($child['constant']) is true then isset($child['optional']) should be true as well
+ if (isset($child['constant'])) {
+ if (isset($child['explicit']) || $child['type'] == FILE_ASN1_TYPE_CHOICE) {
+ $subtag = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']);
+ $temp = $subtag . $this->_encodeLength(strlen($temp)) . $temp;
+ } else {
+ $subtag = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']);
+ $temp = $subtag . substr($temp, 1);
+ }
+ }
+ }
+
+ if (isset($idx)) {
+ array_pop($this->location);
+ }
+
+ if ($temp && isset($mapping['cast'])) {
+ $temp[0] = chr(($mapping['class'] << 6) | ($tag & 0x20) | $mapping['cast']);
+ }
+
+ return $temp;
+ case FILE_ASN1_TYPE_INTEGER:
+ case FILE_ASN1_TYPE_ENUMERATED:
+ if (!isset($mapping['mapping'])) {
+ if (is_numeric($source)) {
+ $source = new Math_BigInteger($source);
+ }
+ $value = $source->toBytes(true);
+ } else {
+ $value = array_search($source, $mapping['mapping']);
+ if ($value === false) {
+ return false;
+ }
+ $value = new Math_BigInteger($value);
+ $value = $value->toBytes(true);
+ }
+ if (!strlen($value)) {
+ $value = chr(0);
+ }
+ break;
+ case FILE_ASN1_TYPE_UTC_TIME:
+ case FILE_ASN1_TYPE_GENERALIZED_TIME:
+ $format = $mapping['type'] == FILE_ASN1_TYPE_UTC_TIME ? 'y' : 'Y';
+ $format.= 'mdHis';
+ $value = @gmdate($format, strtotime($source)) . 'Z';
+ break;
+ case FILE_ASN1_TYPE_BIT_STRING:
+ if (isset($mapping['mapping'])) {
+ $bits = array_fill(0, count($mapping['mapping']), 0);
+ $size = 0;
+ for ($i = 0; $i < count($mapping['mapping']); $i++) {
+ if (in_array($mapping['mapping'][$i], $source)) {
+ $bits[$i] = 1;
+ $size = $i;
+ }
+ }
+
+ if (isset($mapping['min']) && $mapping['min'] >= 1 && $size < $mapping['min']) {
+ $size = $mapping['min'] - 1;
+ }
+
+ $offset = 8 - (($size + 1) & 7);
+ $offset = $offset !== 8 ? $offset : 0;
+
+ $value = chr($offset);
+
+ for ($i = $size + 1; $i < count($mapping['mapping']); $i++) {
+ unset($bits[$i]);
+ }
+
+ $bits = implode('', array_pad($bits, $size + $offset + 1, 0));
+ $bytes = explode(' ', rtrim(chunk_split($bits, 8, ' ')));
+ foreach ($bytes as $byte) {
+ $value.= chr(bindec($byte));
+ }
+
+ break;
+ }
+ case FILE_ASN1_TYPE_OCTET_STRING:
+ /* The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit,
+ the number of unused bits in the final subsequent octet. The number shall be in the range zero to seven.
+
+ -- http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=16 */
+ $value = base64_decode($source);
+ break;
+ case FILE_ASN1_TYPE_OBJECT_IDENTIFIER:
+ $oid = preg_match('#(?:\d+\.)+#', $source) ? $source : array_search($source, $this->oids);
+ if ($oid === false) {
+ user_error('Invalid OID');
+ return false;
+ }
+ $value = '';
+ $parts = explode('.', $oid);
+ $value = chr(40 * $parts[0] + $parts[1]);
+ for ($i = 2; $i < count($parts); $i++) {
+ $temp = '';
+ if (!$parts[$i]) {
+ $temp = "\0";
+ } else {
+ while ($parts[$i]) {
+ $temp = chr(0x80 | ($parts[$i] & 0x7F)) . $temp;
+ $parts[$i] >>= 7;
+ }
+ $temp[strlen($temp) - 1] = $temp[strlen($temp) - 1] & chr(0x7F);
+ }
+ $value.= $temp;
+ }
+ break;
+ case FILE_ASN1_TYPE_ANY:
+ $loc = $this->location;
+ if (isset($idx)) {
+ array_pop($this->location);
+ }
+
+ switch (true) {
+ case !isset($source):
+ return $this->_encode_der(null, array('type' => FILE_ASN1_TYPE_NULL) + $mapping, null, $special);
+ case is_int($source):
+ case is_object($source) && strtolower(get_class($source)) == 'math_biginteger':
+ return $this->_encode_der($source, array('type' => FILE_ASN1_TYPE_INTEGER) + $mapping, null, $special);
+ case is_float($source):
+ return $this->_encode_der($source, array('type' => FILE_ASN1_TYPE_REAL) + $mapping, null, $special);
+ case is_bool($source):
+ return $this->_encode_der($source, array('type' => FILE_ASN1_TYPE_BOOLEAN) + $mapping, null, $special);
+ case is_array($source) && count($source) == 1:
+ $typename = implode('', array_keys($source));
+ $outtype = array_search($typename, $this->ANYmap, true);
+ if ($outtype !== false) {
+ return $this->_encode_der($source[$typename], array('type' => $outtype) + $mapping, null, $special);
+ }
+ }
+
+ $filters = $this->filters;
+ foreach ($loc as $part) {
+ if (!isset($filters[$part])) {
+ $filters = false;
+ break;
+ }
+ $filters = $filters[$part];
+ }
+ if ($filters === false) {
+ user_error('No filters defined for ' . implode('/', $loc));
+ return false;
+ }
+ return $this->_encode_der($source, $filters + $mapping, null, $special);
+ case FILE_ASN1_TYPE_NULL:
+ $value = '';
+ break;
+ case FILE_ASN1_TYPE_NUMERIC_STRING:
+ case FILE_ASN1_TYPE_TELETEX_STRING:
+ case FILE_ASN1_TYPE_PRINTABLE_STRING:
+ case FILE_ASN1_TYPE_UNIVERSAL_STRING:
+ case FILE_ASN1_TYPE_UTF8_STRING:
+ case FILE_ASN1_TYPE_BMP_STRING:
+ case FILE_ASN1_TYPE_IA5_STRING:
+ case FILE_ASN1_TYPE_VISIBLE_STRING:
+ case FILE_ASN1_TYPE_VIDEOTEX_STRING:
+ case FILE_ASN1_TYPE_GRAPHIC_STRING:
+ case FILE_ASN1_TYPE_GENERAL_STRING:
+ $value = $source;
+ break;
+ case FILE_ASN1_TYPE_BOOLEAN:
+ $value = $source ? "\xFF" : "\x00";
+ break;
+ default:
+ user_error('Mapping provides no type definition for ' . implode('/', $this->location));
+ return false;
+ }
+
+ if (isset($idx)) {
+ array_pop($this->location);
+ }
+
+ if (isset($mapping['cast'])) {
+ if (isset($mapping['explicit']) || $mapping['type'] == FILE_ASN1_TYPE_CHOICE) {
+ $value = chr($tag) . $this->_encodeLength(strlen($value)) . $value;
+ $tag = ($mapping['class'] << 6) | 0x20 | $mapping['cast'];
+ } else {
+ $tag = ($mapping['class'] << 6) | (ord($temp[0]) & 0x20) | $mapping['cast'];
+ }
+ }
+
+ return chr($tag) . $this->_encodeLength(strlen($value)) . $value;
+ }
+
+ /**
+ * DER-encode the length
+ *
+ * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4. See
+ * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information.
+ *
+ * @access private
+ * @param Integer $length
+ * @return String
+ */
+ function _encodeLength($length)
+ {
+ if ($length <= 0x7F) {
+ return chr($length);
+ }
+
+ $temp = ltrim(pack('N', $length), chr(0));
+ return pack('Ca*', 0x80 | strlen($temp), $temp);
+ }
+
+ /**
+ * BER-decode the time
+ *
+ * Called by _decode_ber() and in the case of implicit tags asn1map().
+ *
+ * @access private
+ * @param String $content
+ * @param Integer $tag
+ * @return String
+ */
+ function _decodeTime($content, $tag)
+ {
+ /* UTCTime:
+ http://tools.ietf.org/html/rfc5280#section-4.1.2.5.1
+ http://www.obj-sys.com/asn1tutorial/node15.html
+
+ GeneralizedTime:
+ http://tools.ietf.org/html/rfc5280#section-4.1.2.5.2
+ http://www.obj-sys.com/asn1tutorial/node14.html */
+
+ $pattern = $tag == FILE_ASN1_TYPE_UTC_TIME ?
+ '#(..)(..)(..)(..)(..)(..)(.*)#' :
+ '#(....)(..)(..)(..)(..)(..).*([Z+-].*)$#';
+
+ preg_match($pattern, $content, $matches);
+
+ list(, $year, $month, $day, $hour, $minute, $second, $timezone) = $matches;
+
+ if ($tag == FILE_ASN1_TYPE_UTC_TIME) {
+ $year = $year >= 50 ? "19$year" : "20$year";
+ }
+
+ if ($timezone == 'Z') {
+ $mktime = 'gmmktime';
+ $timezone = 0;
+ } elseif (preg_match('#([+-])(\d\d)(\d\d)#', $timezone, $matches)) {
+ $mktime = 'gmmktime';
+ $timezone = 60 * $matches[3] + 3600 * $matches[2];
+ if ($matches[1] == '-') {
+ $timezone = -$timezone;
+ }
+ } else {
+ $mktime = 'mktime';
+ $timezone = 0;
+ }
+
+ return @$mktime($hour, $minute, $second, $month, $day, $year) + $timezone;
+ }
+
+ /**
+ * Set the time format
+ *
+ * Sets the time / date format for asn1map().
+ *
+ * @access public
+ * @param String $format
+ */
+ function setTimeFormat($format)
+ {
+ $this->format = $format;
+ }
+
+ /**
+ * Load OIDs
+ *
+ * Load the relevant OIDs for a particular ASN.1 semantic mapping.
+ *
+ * @access public
+ * @param Array $oids
+ */
+ function loadOIDs($oids)
+ {
+ $this->oids = $oids;
+ }
+
+ /**
+ * Load filters
+ *
+ * See File_X509, etc, for an example.
+ *
+ * @access public
+ * @param Array $filters
+ */
+ function loadFilters($filters)
+ {
+ $this->filters = $filters;
+ }
+
+ /**
+ * String Shift
+ *
+ * Inspired by array_shift
+ *
+ * @param String $string
+ * @param optional Integer $index
+ * @return String
+ * @access private
+ */
+ function _string_shift(&$string, $index = 1)
+ {
+ $substr = substr($string, 0, $index);
+ $string = substr($string, $index);
+ return $substr;
+ }
+
+ /**
+ * String type conversion
+ *
+ * This is a lazy conversion, dealing only with character size.
+ * No real conversion table is used.
+ *
+ * @param String $in
+ * @param optional Integer $from
+ * @param optional Integer $to
+ * @return String
+ * @access public
+ */
+ function convert($in, $from = FILE_ASN1_TYPE_UTF8_STRING, $to = FILE_ASN1_TYPE_UTF8_STRING)
+ {
+ if (!isset($this->stringTypeSize[$from]) || !isset($this->stringTypeSize[$to])) {
+ return false;
+ }
+ $insize = $this->stringTypeSize[$from];
+ $outsize = $this->stringTypeSize[$to];
+ $inlength = strlen($in);
+ $out = '';
+
+ for ($i = 0; $i < $inlength;) {
+ if ($inlength - $i < $insize) {
+ return false;
+ }
+
+ // Get an input character as a 32-bit value.
+ $c = ord($in[$i++]);
+ switch (true) {
+ case $insize == 4:
+ $c = ($c << 8) | ord($in[$i++]);
+ $c = ($c << 8) | ord($in[$i++]);
+ case $insize == 2:
+ $c = ($c << 8) | ord($in[$i++]);
+ case $insize == 1:
+ break;
+ case ($c & 0x80) == 0x00:
+ break;
+ case ($c & 0x40) == 0x00:
+ return false;
+ default:
+ $bit = 6;
+ do {
+ if ($bit > 25 || $i >= $inlength || (ord($in[$i]) & 0xC0) != 0x80) {
+ return false;
+ }
+ $c = ($c << 6) | (ord($in[$i++]) & 0x3F);
+ $bit += 5;
+ $mask = 1 << $bit;
+ } while ($c & $bit);
+ $c &= $mask - 1;
+ break;
+ }
+
+ // Convert and append the character to output string.
+ $v = '';
+ switch (true) {
+ case $outsize == 4:
+ $v .= chr($c & 0xFF);
+ $c >>= 8;
+ $v .= chr($c & 0xFF);
+ $c >>= 8;
+ case $outsize == 2:
+ $v .= chr($c & 0xFF);
+ $c >>= 8;
+ case $outsize == 1:
+ $v .= chr($c & 0xFF);
+ $c >>= 8;
+ if ($c) {
+ return false;
+ }
+ break;
+ case ($c & 0x80000000) != 0:
+ return false;
+ case $c >= 0x04000000:
+ $v .= chr(0x80 | ($c & 0x3F));
+ $c = ($c >> 6) | 0x04000000;
+ case $c >= 0x00200000:
+ $v .= chr(0x80 | ($c & 0x3F));
+ $c = ($c >> 6) | 0x00200000;
+ case $c >= 0x00010000:
+ $v .= chr(0x80 | ($c & 0x3F));
+ $c = ($c >> 6) | 0x00010000;
+ case $c >= 0x00000800:
+ $v .= chr(0x80 | ($c & 0x3F));
+ $c = ($c >> 6) | 0x00000800;
+ case $c >= 0x00000080:
+ $v .= chr(0x80 | ($c & 0x3F));
+ $c = ($c >> 6) | 0x000000C0;
+ default:
+ $v .= chr($c);
+ break;
+ }
+ $out .= strrev($v);
+ }
+ return $out;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/File/X509.php b/libs/phpseclib-0.3.7/File/X509.php new file mode 100644 index 0000000..1d07f67 --- /dev/null +++ b/libs/phpseclib-0.3.7/File/X509.php @@ -0,0 +1,4583 @@ +<?php
+
+/**
+ * Pure-PHP X.509 Parser
+ *
+ * PHP versions 4 and 5
+ *
+ * Encode and decode X.509 certificates.
+ *
+ * The extensions are from {@link http://tools.ietf.org/html/rfc5280 RFC5280} and
+ * {@link http://web.archive.org/web/19961027104704/http://www3.netscape.com/eng/security/cert-exts.html Netscape Certificate Extensions}.
+ *
+ * Note that loading an X.509 certificate and resaving it may invalidate the signature. The reason being that the signature is based on a
+ * portion of the certificate that contains optional parameters with default values. ie. if the parameter isn't there the default value is
+ * used. Problem is, if the parameter is there and it just so happens to have the default value there are two ways that that parameter can
+ * be encoded. It can be encoded explicitly or left out all together. This would effect the signature value and thus may invalidate the
+ * the certificate all together unless the certificate is re-signed.
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category File
+ * @package File_X509
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMXII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include File_ASN1
+ */
+if (!class_exists('File_ASN1')) {
+ include_once 'ASN1.php';
+}
+
+/**
+ * Flag to only accept signatures signed by certificate authorities
+ *
+ * Not really used anymore but retained all the same to suppress E_NOTICEs from old installs
+ *
+ * @access public
+ */
+define('FILE_X509_VALIDATE_SIGNATURE_BY_CA', 1);
+
+/**#@+
+ * @access public
+ * @see File_X509::getDN()
+ */
+/**
+ * Return internal array representation
+ */
+define('FILE_X509_DN_ARRAY', 0);
+/**
+ * Return string
+ */
+define('FILE_X509_DN_STRING', 1);
+/**
+ * Return ASN.1 name string
+ */
+define('FILE_X509_DN_ASN1', 2);
+/**
+ * Return OpenSSL compatible array
+ */
+define('FILE_X509_DN_OPENSSL', 3);
+/**
+ * Return canonical ASN.1 RDNs string
+ */
+define('FILE_X509_DN_CANON', 4);
+/**
+ * Return name hash for file indexing
+ */
+define('FILE_X509_DN_HASH', 5);
+/**#@-*/
+
+/**#@+
+ * @access public
+ * @see File_X509::saveX509()
+ * @see File_X509::saveCSR()
+ * @see File_X509::saveCRL()
+ */
+/**
+ * Save as PEM
+ *
+ * ie. a base64-encoded PEM with a header and a footer
+ */
+define('FILE_X509_FORMAT_PEM', 0);
+/**
+ * Save as DER
+ */
+define('FILE_X509_FORMAT_DER', 1);
+/**
+ * Save as a SPKAC
+ *
+ * Only works on CSRs. Not currently supported.
+ */
+define('FILE_X509_FORMAT_SPKAC', 2);
+/**#@-*/
+
+/**
+ * Attribute value disposition.
+ * If disposition is >= 0, this is the index of the target value.
+ */
+define('FILE_X509_ATTR_ALL', -1); // All attribute values (array).
+define('FILE_X509_ATTR_APPEND', -2); // Add a value.
+define('FILE_X509_ATTR_REPLACE', -3); // Clear first, then add a value.
+
+/**
+ * Pure-PHP X.509 Parser
+ *
+ * @package File_X509
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class File_X509
+{
+ /**
+ * ASN.1 syntax for X.509 certificates
+ *
+ * @var Array
+ * @access private
+ */
+ var $Certificate;
+
+ /**#@+
+ * ASN.1 syntax for various extensions
+ *
+ * @access private
+ */
+ var $DirectoryString;
+ var $PKCS9String;
+ var $AttributeValue;
+ var $Extensions;
+ var $KeyUsage;
+ var $ExtKeyUsageSyntax;
+ var $BasicConstraints;
+ var $KeyIdentifier;
+ var $CRLDistributionPoints;
+ var $AuthorityKeyIdentifier;
+ var $CertificatePolicies;
+ var $AuthorityInfoAccessSyntax;
+ var $SubjectAltName;
+ var $PrivateKeyUsagePeriod;
+ var $IssuerAltName;
+ var $PolicyMappings;
+ var $NameConstraints;
+
+ var $CPSuri;
+ var $UserNotice;
+
+ var $netscape_cert_type;
+ var $netscape_comment;
+ var $netscape_ca_policy_url;
+
+ var $Name;
+ var $RelativeDistinguishedName;
+ var $CRLNumber;
+ var $CRLReason;
+ var $IssuingDistributionPoint;
+ var $InvalidityDate;
+ var $CertificateIssuer;
+ var $HoldInstructionCode;
+ var $SignedPublicKeyAndChallenge;
+ /**#@-*/
+
+ /**
+ * ASN.1 syntax for Certificate Signing Requests (RFC2986)
+ *
+ * @var Array
+ * @access private
+ */
+ var $CertificationRequest;
+
+ /**
+ * ASN.1 syntax for Certificate Revocation Lists (RFC5280)
+ *
+ * @var Array
+ * @access private
+ */
+ var $CertificateList;
+
+ /**
+ * Distinguished Name
+ *
+ * @var Array
+ * @access private
+ */
+ var $dn;
+
+ /**
+ * Public key
+ *
+ * @var String
+ * @access private
+ */
+ var $publicKey;
+
+ /**
+ * Private key
+ *
+ * @var String
+ * @access private
+ */
+ var $privateKey;
+
+ /**
+ * Object identifiers for X.509 certificates
+ *
+ * @var Array
+ * @access private
+ * @link http://en.wikipedia.org/wiki/Object_identifier
+ */
+ var $oids;
+
+ /**
+ * The certificate authorities
+ *
+ * @var Array
+ * @access private
+ */
+ var $CAs;
+
+ /**
+ * The currently loaded certificate
+ *
+ * @var Array
+ * @access private
+ */
+ var $currentCert;
+
+ /**
+ * The signature subject
+ *
+ * There's no guarantee File_X509 is going to reencode an X.509 cert in the same way it was originally
+ * encoded so we take save the portion of the original cert that the signature would have made for.
+ *
+ * @var String
+ * @access private
+ */
+ var $signatureSubject;
+
+ /**
+ * Certificate Start Date
+ *
+ * @var String
+ * @access private
+ */
+ var $startDate;
+
+ /**
+ * Certificate End Date
+ *
+ * @var String
+ * @access private
+ */
+ var $endDate;
+
+ /**
+ * Serial Number
+ *
+ * @var String
+ * @access private
+ */
+ var $serialNumber;
+
+ /**
+ * Key Identifier
+ *
+ * See {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.1 RFC5280#section-4.2.1.1} and
+ * {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.2 RFC5280#section-4.2.1.2}.
+ *
+ * @var String
+ * @access private
+ */
+ var $currentKeyIdentifier;
+
+ /**
+ * CA Flag
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $caFlag = false;
+
+ /**
+ * SPKAC Challenge
+ *
+ * @var String
+ * @access private
+ */
+ var $challenge;
+
+ /**
+ * Default Constructor.
+ *
+ * @return File_X509
+ * @access public
+ */
+ function File_X509()
+ {
+ if (!class_exists('Math_BigInteger')) {
+ include_once 'Math/BigInteger.php';
+ }
+
+ // Explicitly Tagged Module, 1988 Syntax
+ // http://tools.ietf.org/html/rfc5280#appendix-A.1
+
+ $this->DirectoryString = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ 'children' => array(
+ 'teletexString' => array('type' => FILE_ASN1_TYPE_TELETEX_STRING),
+ 'printableString' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING),
+ 'universalString' => array('type' => FILE_ASN1_TYPE_UNIVERSAL_STRING),
+ 'utf8String' => array('type' => FILE_ASN1_TYPE_UTF8_STRING),
+ 'bmpString' => array('type' => FILE_ASN1_TYPE_BMP_STRING)
+ )
+ );
+
+ $this->PKCS9String = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ 'children' => array(
+ 'ia5String' => array('type' => FILE_ASN1_TYPE_IA5_STRING),
+ 'directoryString' => $this->DirectoryString
+ )
+ );
+
+ $this->AttributeValue = array('type' => FILE_ASN1_TYPE_ANY);
+
+ $AttributeType = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER);
+
+ $AttributeTypeAndValue = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'type' => $AttributeType,
+ 'value'=> $this->AttributeValue
+ )
+ );
+
+ /*
+ In practice, RDNs containing multiple name-value pairs (called "multivalued RDNs") are rare,
+ but they can be useful at times when either there is no unique attribute in the entry or you
+ want to ensure that the entry's DN contains some useful identifying information.
+
+ - https://www.opends.org/wiki/page/DefinitionRelativeDistinguishedName
+ */
+ $this->RelativeDistinguishedName = array(
+ 'type' => FILE_ASN1_TYPE_SET,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => $AttributeTypeAndValue
+ );
+
+ // http://tools.ietf.org/html/rfc5280#section-4.1.2.4
+ $RDNSequence = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ // RDNSequence does not define a min or a max, which means it doesn't have one
+ 'min' => 0,
+ 'max' => -1,
+ 'children' => $this->RelativeDistinguishedName
+ );
+
+ $this->Name = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ 'children' => array(
+ 'rdnSequence' => $RDNSequence
+ )
+ );
+
+ // http://tools.ietf.org/html/rfc5280#section-4.1.1.2
+ $AlgorithmIdentifier = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'algorithm' => array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER),
+ 'parameters' => array(
+ 'type' => FILE_ASN1_TYPE_ANY,
+ 'optional' => true
+ )
+ )
+ );
+
+ /*
+ A certificate using system MUST reject the certificate if it encounters
+ a critical extension it does not recognize; however, a non-critical
+ extension may be ignored if it is not recognized.
+
+ http://tools.ietf.org/html/rfc5280#section-4.2
+ */
+ $Extension = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'extnId' => array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER),
+ 'critical' => array(
+ 'type' => FILE_ASN1_TYPE_BOOLEAN,
+ 'optional' => true,
+ 'default' => false
+ ),
+ 'extnValue' => array('type' => FILE_ASN1_TYPE_OCTET_STRING)
+ )
+ );
+
+ $this->Extensions = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ // technically, it's MAX, but we'll assume anything < 0 is MAX
+ 'max' => -1,
+ // if 'children' isn't an array then 'min' and 'max' must be defined
+ 'children' => $Extension
+ );
+
+ $SubjectPublicKeyInfo = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'algorithm' => $AlgorithmIdentifier,
+ 'subjectPublicKey' => array('type' => FILE_ASN1_TYPE_BIT_STRING)
+ )
+ );
+
+ $UniqueIdentifier = array('type' => FILE_ASN1_TYPE_BIT_STRING);
+
+ $Time = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ 'children' => array(
+ 'utcTime' => array('type' => FILE_ASN1_TYPE_UTC_TIME),
+ 'generalTime' => array('type' => FILE_ASN1_TYPE_GENERALIZED_TIME)
+ )
+ );
+
+ // http://tools.ietf.org/html/rfc5280#section-4.1.2.5
+ $Validity = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'notBefore' => $Time,
+ 'notAfter' => $Time
+ )
+ );
+
+ $CertificateSerialNumber = array('type' => FILE_ASN1_TYPE_INTEGER);
+
+ $Version = array(
+ 'type' => FILE_ASN1_TYPE_INTEGER,
+ 'mapping' => array('v1', 'v2', 'v3')
+ );
+
+ // assert($TBSCertificate['children']['signature'] == $Certificate['children']['signatureAlgorithm'])
+ $TBSCertificate = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ // technically, default implies optional, but we'll define it as being optional, none-the-less, just to
+ // reenforce that fact
+ 'version' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'explicit' => true,
+ 'default' => 'v1'
+ ) + $Version,
+ 'serialNumber' => $CertificateSerialNumber,
+ 'signature' => $AlgorithmIdentifier,
+ 'issuer' => $this->Name,
+ 'validity' => $Validity,
+ 'subject' => $this->Name,
+ 'subjectPublicKeyInfo' => $SubjectPublicKeyInfo,
+ // implicit means that the T in the TLV structure is to be rewritten, regardless of the type
+ 'issuerUniqueID' => array(
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $UniqueIdentifier,
+ 'subjectUniqueID' => array(
+ 'constant' => 2,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $UniqueIdentifier,
+ // <http://tools.ietf.org/html/rfc2459#page-74> doesn't use the EXPLICIT keyword but if
+ // it's not IMPLICIT, it's EXPLICIT
+ 'extensions' => array(
+ 'constant' => 3,
+ 'optional' => true,
+ 'explicit' => true
+ ) + $this->Extensions
+ )
+ );
+
+ $this->Certificate = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'tbsCertificate' => $TBSCertificate,
+ 'signatureAlgorithm' => $AlgorithmIdentifier,
+ 'signature' => array('type' => FILE_ASN1_TYPE_BIT_STRING)
+ )
+ );
+
+ $this->KeyUsage = array(
+ 'type' => FILE_ASN1_TYPE_BIT_STRING,
+ 'mapping' => array(
+ 'digitalSignature',
+ 'nonRepudiation',
+ 'keyEncipherment',
+ 'dataEncipherment',
+ 'keyAgreement',
+ 'keyCertSign',
+ 'cRLSign',
+ 'encipherOnly',
+ 'decipherOnly'
+ )
+ );
+
+ $this->BasicConstraints = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'cA' => array(
+ 'type' => FILE_ASN1_TYPE_BOOLEAN,
+ 'optional' => true,
+ 'default' => false
+ ),
+ 'pathLenConstraint' => array(
+ 'type' => FILE_ASN1_TYPE_INTEGER,
+ 'optional' => true
+ )
+ )
+ );
+
+ $this->KeyIdentifier = array('type' => FILE_ASN1_TYPE_OCTET_STRING);
+
+ $OrganizationalUnitNames = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => 4, // ub-organizational-units
+ 'children' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING)
+ );
+
+ $PersonalName = array(
+ 'type' => FILE_ASN1_TYPE_SET,
+ 'children' => array(
+ 'surname' => array(
+ 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING,
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true
+ ),
+ 'given-name' => array(
+ 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING,
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true
+ ),
+ 'initials' => array(
+ 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING,
+ 'constant' => 2,
+ 'optional' => true,
+ 'implicit' => true
+ ),
+ 'generation-qualifier' => array(
+ 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING,
+ 'constant' => 3,
+ 'optional' => true,
+ 'implicit' => true
+ )
+ )
+ );
+
+ $NumericUserIdentifier = array('type' => FILE_ASN1_TYPE_NUMERIC_STRING);
+
+ $OrganizationName = array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING);
+
+ $PrivateDomainName = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ 'children' => array(
+ 'numeric' => array('type' => FILE_ASN1_TYPE_NUMERIC_STRING),
+ 'printable' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING)
+ )
+ );
+
+ $TerminalIdentifier = array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING);
+
+ $NetworkAddress = array('type' => FILE_ASN1_TYPE_NUMERIC_STRING);
+
+ $AdministrationDomainName = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ // if class isn't present it's assumed to be FILE_ASN1_CLASS_UNIVERSAL or
+ // (if constant is present) FILE_ASN1_CLASS_CONTEXT_SPECIFIC
+ 'class' => FILE_ASN1_CLASS_APPLICATION,
+ 'cast' => 2,
+ 'children' => array(
+ 'numeric' => array('type' => FILE_ASN1_TYPE_NUMERIC_STRING),
+ 'printable' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING)
+ )
+ );
+
+ $CountryName = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ // if class isn't present it's assumed to be FILE_ASN1_CLASS_UNIVERSAL or
+ // (if constant is present) FILE_ASN1_CLASS_CONTEXT_SPECIFIC
+ 'class' => FILE_ASN1_CLASS_APPLICATION,
+ 'cast' => 1,
+ 'children' => array(
+ 'x121-dcc-code' => array('type' => FILE_ASN1_TYPE_NUMERIC_STRING),
+ 'iso-3166-alpha2-code' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING)
+ )
+ );
+
+ $AnotherName = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'type-id' => array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER),
+ 'value' => array(
+ 'type' => FILE_ASN1_TYPE_ANY,
+ 'constant' => 0,
+ 'optional' => true,
+ 'explicit' => true
+ )
+ )
+ );
+
+ $ExtensionAttribute = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'extension-attribute-type' => array(
+ 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING,
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true
+ ),
+ 'extension-attribute-value' => array(
+ 'type' => FILE_ASN1_TYPE_ANY,
+ 'constant' => 1,
+ 'optional' => true,
+ 'explicit' => true
+ )
+ )
+ );
+
+ $ExtensionAttributes = array(
+ 'type' => FILE_ASN1_TYPE_SET,
+ 'min' => 1,
+ 'max' => 256, // ub-extension-attributes
+ 'children' => $ExtensionAttribute
+ );
+
+ $BuiltInDomainDefinedAttribute = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'type' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING),
+ 'value' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING)
+ )
+ );
+
+ $BuiltInDomainDefinedAttributes = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => 4, // ub-domain-defined-attributes
+ 'children' => $BuiltInDomainDefinedAttribute
+ );
+
+ $BuiltInStandardAttributes = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'country-name' => array('optional' => true) + $CountryName,
+ 'administration-domain-name' => array('optional' => true) + $AdministrationDomainName,
+ 'network-address' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $NetworkAddress,
+ 'terminal-identifier' => array(
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $TerminalIdentifier,
+ 'private-domain-name' => array(
+ 'constant' => 2,
+ 'optional' => true,
+ 'explicit' => true
+ ) + $PrivateDomainName,
+ 'organization-name' => array(
+ 'constant' => 3,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $OrganizationName,
+ 'numeric-user-identifier' => array(
+ 'constant' => 4,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $NumericUserIdentifier,
+ 'personal-name' => array(
+ 'constant' => 5,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $PersonalName,
+ 'organizational-unit-names' => array(
+ 'constant' => 6,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $OrganizationalUnitNames
+ )
+ );
+
+ $ORAddress = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'built-in-standard-attributes' => $BuiltInStandardAttributes,
+ 'built-in-domain-defined-attributes' => array('optional' => true) + $BuiltInDomainDefinedAttributes,
+ 'extension-attributes' => array('optional' => true) + $ExtensionAttributes
+ )
+ );
+
+ $EDIPartyName = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'nameAssigner' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $this->DirectoryString,
+ // partyName is technically required but File_ASN1 doesn't currently support non-optional constants and
+ // setting it to optional gets the job done in any event.
+ 'partyName' => array(
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $this->DirectoryString
+ )
+ );
+
+ $GeneralName = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ 'children' => array(
+ 'otherName' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $AnotherName,
+ 'rfc822Name' => array(
+ 'type' => FILE_ASN1_TYPE_IA5_STRING,
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true
+ ),
+ 'dNSName' => array(
+ 'type' => FILE_ASN1_TYPE_IA5_STRING,
+ 'constant' => 2,
+ 'optional' => true,
+ 'implicit' => true
+ ),
+ 'x400Address' => array(
+ 'constant' => 3,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $ORAddress,
+ 'directoryName' => array(
+ 'constant' => 4,
+ 'optional' => true,
+ 'explicit' => true
+ ) + $this->Name,
+ 'ediPartyName' => array(
+ 'constant' => 5,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $EDIPartyName,
+ 'uniformResourceIdentifier' => array(
+ 'type' => FILE_ASN1_TYPE_IA5_STRING,
+ 'constant' => 6,
+ 'optional' => true,
+ 'implicit' => true
+ ),
+ 'iPAddress' => array(
+ 'type' => FILE_ASN1_TYPE_OCTET_STRING,
+ 'constant' => 7,
+ 'optional' => true,
+ 'implicit' => true
+ ),
+ 'registeredID' => array(
+ 'type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER,
+ 'constant' => 8,
+ 'optional' => true,
+ 'implicit' => true
+ )
+ )
+ );
+
+ $GeneralNames = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => $GeneralName
+ );
+
+ $this->IssuerAltName = $GeneralNames;
+
+ $ReasonFlags = array(
+ 'type' => FILE_ASN1_TYPE_BIT_STRING,
+ 'mapping' => array(
+ 'unused',
+ 'keyCompromise',
+ 'cACompromise',
+ 'affiliationChanged',
+ 'superseded',
+ 'cessationOfOperation',
+ 'certificateHold',
+ 'privilegeWithdrawn',
+ 'aACompromise'
+ )
+ );
+
+ $DistributionPointName = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ 'children' => array(
+ 'fullName' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $GeneralNames,
+ 'nameRelativeToCRLIssuer' => array(
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $this->RelativeDistinguishedName
+ )
+ );
+
+ $DistributionPoint = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'distributionPoint' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'explicit' => true
+ ) + $DistributionPointName,
+ 'reasons' => array(
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $ReasonFlags,
+ 'cRLIssuer' => array(
+ 'constant' => 2,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $GeneralNames
+ )
+ );
+
+ $this->CRLDistributionPoints = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => $DistributionPoint
+ );
+
+ $this->AuthorityKeyIdentifier = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'keyIdentifier' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $this->KeyIdentifier,
+ 'authorityCertIssuer' => array(
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $GeneralNames,
+ 'authorityCertSerialNumber' => array(
+ 'constant' => 2,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $CertificateSerialNumber
+ )
+ );
+
+ $PolicyQualifierId = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER);
+
+ $PolicyQualifierInfo = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'policyQualifierId' => $PolicyQualifierId,
+ 'qualifier' => array('type' => FILE_ASN1_TYPE_ANY)
+ )
+ );
+
+ $CertPolicyId = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER);
+
+ $PolicyInformation = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'policyIdentifier' => $CertPolicyId,
+ 'policyQualifiers' => array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 0,
+ 'max' => -1,
+ 'optional' => true,
+ 'children' => $PolicyQualifierInfo
+ )
+ )
+ );
+
+ $this->CertificatePolicies = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => $PolicyInformation
+ );
+
+ $this->PolicyMappings = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'issuerDomainPolicy' => $CertPolicyId,
+ 'subjectDomainPolicy' => $CertPolicyId
+ )
+ )
+ );
+
+ $KeyPurposeId = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER);
+
+ $this->ExtKeyUsageSyntax = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => $KeyPurposeId
+ );
+
+ $AccessDescription = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'accessMethod' => array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER),
+ 'accessLocation' => $GeneralName
+ )
+ );
+
+ $this->AuthorityInfoAccessSyntax = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => $AccessDescription
+ );
+
+ $this->SubjectAltName = $GeneralNames;
+
+ $this->PrivateKeyUsagePeriod = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'notBefore' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true,
+ 'type' => FILE_ASN1_TYPE_GENERALIZED_TIME),
+ 'notAfter' => array(
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true,
+ 'type' => FILE_ASN1_TYPE_GENERALIZED_TIME)
+ )
+ );
+
+ $BaseDistance = array('type' => FILE_ASN1_TYPE_INTEGER);
+
+ $GeneralSubtree = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'base' => $GeneralName,
+ 'minimum' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true,
+ 'default' => new Math_BigInteger(0)
+ ) + $BaseDistance,
+ 'maximum' => array(
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true,
+ ) + $BaseDistance
+ )
+ );
+
+ $GeneralSubtrees = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => $GeneralSubtree
+ );
+
+ $this->NameConstraints = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'permittedSubtrees' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $GeneralSubtrees,
+ 'excludedSubtrees' => array(
+ 'constant' => 1,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $GeneralSubtrees
+ )
+ );
+
+ $this->CPSuri = array('type' => FILE_ASN1_TYPE_IA5_STRING);
+
+ $DisplayText = array(
+ 'type' => FILE_ASN1_TYPE_CHOICE,
+ 'children' => array(
+ 'ia5String' => array('type' => FILE_ASN1_TYPE_IA5_STRING),
+ 'visibleString' => array('type' => FILE_ASN1_TYPE_VISIBLE_STRING),
+ 'bmpString' => array('type' => FILE_ASN1_TYPE_BMP_STRING),
+ 'utf8String' => array('type' => FILE_ASN1_TYPE_UTF8_STRING)
+ )
+ );
+
+ $NoticeReference = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'organization' => $DisplayText,
+ 'noticeNumbers' => array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'min' => 1,
+ 'max' => 200,
+ 'children' => array('type' => FILE_ASN1_TYPE_INTEGER)
+ )
+ )
+ );
+
+ $this->UserNotice = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'noticeRef' => array(
+ 'optional' => true,
+ 'implicit' => true
+ ) + $NoticeReference,
+ 'explicitText' => array(
+ 'optional' => true,
+ 'implicit' => true
+ ) + $DisplayText
+ )
+ );
+
+ // mapping is from <http://www.mozilla.org/projects/security/pki/nss/tech-notes/tn3.html>
+ $this->netscape_cert_type = array(
+ 'type' => FILE_ASN1_TYPE_BIT_STRING,
+ 'mapping' => array(
+ 'SSLClient',
+ 'SSLServer',
+ 'Email',
+ 'ObjectSigning',
+ 'Reserved',
+ 'SSLCA',
+ 'EmailCA',
+ 'ObjectSigningCA'
+ )
+ );
+
+ $this->netscape_comment = array('type' => FILE_ASN1_TYPE_IA5_STRING);
+ $this->netscape_ca_policy_url = array('type' => FILE_ASN1_TYPE_IA5_STRING);
+
+ // attribute is used in RFC2986 but we're using the RFC5280 definition
+
+ $Attribute = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'type' => $AttributeType,
+ 'value'=> array(
+ 'type' => FILE_ASN1_TYPE_SET,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => $this->AttributeValue
+ )
+ )
+ );
+
+ // adapted from <http://tools.ietf.org/html/rfc2986>
+
+ $Attributes = array(
+ 'type' => FILE_ASN1_TYPE_SET,
+ 'min' => 1,
+ 'max' => -1,
+ 'children' => $Attribute
+ );
+
+ $CertificationRequestInfo = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'version' => array(
+ 'type' => FILE_ASN1_TYPE_INTEGER,
+ 'mapping' => array('v1')
+ ),
+ 'subject' => $this->Name,
+ 'subjectPKInfo' => $SubjectPublicKeyInfo,
+ 'attributes' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $Attributes,
+ )
+ );
+
+ $this->CertificationRequest = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'certificationRequestInfo' => $CertificationRequestInfo,
+ 'signatureAlgorithm' => $AlgorithmIdentifier,
+ 'signature' => array('type' => FILE_ASN1_TYPE_BIT_STRING)
+ )
+ );
+
+ $RevokedCertificate = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'userCertificate' => $CertificateSerialNumber,
+ 'revocationDate' => $Time,
+ 'crlEntryExtensions' => array(
+ 'optional' => true
+ ) + $this->Extensions
+ )
+ );
+
+ $TBSCertList = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'version' => array(
+ 'optional' => true,
+ 'default' => 'v1'
+ ) + $Version,
+ 'signature' => $AlgorithmIdentifier,
+ 'issuer' => $this->Name,
+ 'thisUpdate' => $Time,
+ 'nextUpdate' => array(
+ 'optional' => true
+ ) + $Time,
+ 'revokedCertificates' => array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'optional' => true,
+ 'min' => 0,
+ 'max' => -1,
+ 'children' => $RevokedCertificate
+ ),
+ 'crlExtensions' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'explicit' => true
+ ) + $this->Extensions
+ )
+ );
+
+ $this->CertificateList = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'tbsCertList' => $TBSCertList,
+ 'signatureAlgorithm' => $AlgorithmIdentifier,
+ 'signature' => array('type' => FILE_ASN1_TYPE_BIT_STRING)
+ )
+ );
+
+ $this->CRLNumber = array('type' => FILE_ASN1_TYPE_INTEGER);
+
+ $this->CRLReason = array('type' => FILE_ASN1_TYPE_ENUMERATED,
+ 'mapping' => array(
+ 'unspecified',
+ 'keyCompromise',
+ 'cACompromise',
+ 'affiliationChanged',
+ 'superseded',
+ 'cessationOfOperation',
+ 'certificateHold',
+ // Value 7 is not used.
+ 8 => 'removeFromCRL',
+ 'privilegeWithdrawn',
+ 'aACompromise'
+ )
+ );
+
+ $this->IssuingDistributionPoint = array('type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'distributionPoint' => array(
+ 'constant' => 0,
+ 'optional' => true,
+ 'explicit' => true
+ ) + $DistributionPointName,
+ 'onlyContainsUserCerts' => array(
+ 'type' => FILE_ASN1_TYPE_BOOLEAN,
+ 'constant' => 1,
+ 'optional' => true,
+ 'default' => false,
+ 'implicit' => true
+ ),
+ 'onlyContainsCACerts' => array(
+ 'type' => FILE_ASN1_TYPE_BOOLEAN,
+ 'constant' => 2,
+ 'optional' => true,
+ 'default' => false,
+ 'implicit' => true
+ ),
+ 'onlySomeReasons' => array(
+ 'constant' => 3,
+ 'optional' => true,
+ 'implicit' => true
+ ) + $ReasonFlags,
+ 'indirectCRL' => array(
+ 'type' => FILE_ASN1_TYPE_BOOLEAN,
+ 'constant' => 4,
+ 'optional' => true,
+ 'default' => false,
+ 'implicit' => true
+ ),
+ 'onlyContainsAttributeCerts' => array(
+ 'type' => FILE_ASN1_TYPE_BOOLEAN,
+ 'constant' => 5,
+ 'optional' => true,
+ 'default' => false,
+ 'implicit' => true
+ )
+ )
+ );
+
+ $this->InvalidityDate = array('type' => FILE_ASN1_TYPE_GENERALIZED_TIME);
+
+ $this->CertificateIssuer = $GeneralNames;
+
+ $this->HoldInstructionCode = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER);
+
+ $PublicKeyAndChallenge = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'spki' => $SubjectPublicKeyInfo,
+ 'challenge' => array('type' => FILE_ASN1_TYPE_IA5_STRING)
+ )
+ );
+
+ $this->SignedPublicKeyAndChallenge = array(
+ 'type' => FILE_ASN1_TYPE_SEQUENCE,
+ 'children' => array(
+ 'publicKeyAndChallenge' => $PublicKeyAndChallenge,
+ 'signatureAlgorithm' => $AlgorithmIdentifier,
+ 'signature' => array('type' => FILE_ASN1_TYPE_BIT_STRING)
+ )
+ );
+
+ // OIDs from RFC5280 and those RFCs mentioned in RFC5280#section-4.1.1.2
+ $this->oids = array(
+ '1.3.6.1.5.5.7' => 'id-pkix',
+ '1.3.6.1.5.5.7.1' => 'id-pe',
+ '1.3.6.1.5.5.7.2' => 'id-qt',
+ '1.3.6.1.5.5.7.3' => 'id-kp',
+ '1.3.6.1.5.5.7.48' => 'id-ad',
+ '1.3.6.1.5.5.7.2.1' => 'id-qt-cps',
+ '1.3.6.1.5.5.7.2.2' => 'id-qt-unotice',
+ '1.3.6.1.5.5.7.48.1' =>'id-ad-ocsp',
+ '1.3.6.1.5.5.7.48.2' => 'id-ad-caIssuers',
+ '1.3.6.1.5.5.7.48.3' => 'id-ad-timeStamping',
+ '1.3.6.1.5.5.7.48.5' => 'id-ad-caRepository',
+ '2.5.4' => 'id-at',
+ '2.5.4.41' => 'id-at-name',
+ '2.5.4.4' => 'id-at-surname',
+ '2.5.4.42' => 'id-at-givenName',
+ '2.5.4.43' => 'id-at-initials',
+ '2.5.4.44' => 'id-at-generationQualifier',
+ '2.5.4.3' => 'id-at-commonName',
+ '2.5.4.7' => 'id-at-localityName',
+ '2.5.4.8' => 'id-at-stateOrProvinceName',
+ '2.5.4.10' => 'id-at-organizationName',
+ '2.5.4.11' => 'id-at-organizationalUnitName',
+ '2.5.4.12' => 'id-at-title',
+ '2.5.4.13' => 'id-at-description',
+ '2.5.4.46' => 'id-at-dnQualifier',
+ '2.5.4.6' => 'id-at-countryName',
+ '2.5.4.5' => 'id-at-serialNumber',
+ '2.5.4.65' => 'id-at-pseudonym',
+ '2.5.4.17' => 'id-at-postalCode',
+ '2.5.4.9' => 'id-at-streetAddress',
+ '2.5.4.45' => 'id-at-uniqueIdentifier',
+ '2.5.4.72' => 'id-at-role',
+
+ '0.9.2342.19200300.100.1.25' => 'id-domainComponent',
+ '1.2.840.113549.1.9' => 'pkcs-9',
+ '1.2.840.113549.1.9.1' => 'pkcs-9-at-emailAddress',
+ '2.5.29' => 'id-ce',
+ '2.5.29.35' => 'id-ce-authorityKeyIdentifier',
+ '2.5.29.14' => 'id-ce-subjectKeyIdentifier',
+ '2.5.29.15' => 'id-ce-keyUsage',
+ '2.5.29.16' => 'id-ce-privateKeyUsagePeriod',
+ '2.5.29.32' => 'id-ce-certificatePolicies',
+ '2.5.29.32.0' => 'anyPolicy',
+
+ '2.5.29.33' => 'id-ce-policyMappings',
+ '2.5.29.17' => 'id-ce-subjectAltName',
+ '2.5.29.18' => 'id-ce-issuerAltName',
+ '2.5.29.9' => 'id-ce-subjectDirectoryAttributes',
+ '2.5.29.19' => 'id-ce-basicConstraints',
+ '2.5.29.30' => 'id-ce-nameConstraints',
+ '2.5.29.36' => 'id-ce-policyConstraints',
+ '2.5.29.31' => 'id-ce-cRLDistributionPoints',
+ '2.5.29.37' => 'id-ce-extKeyUsage',
+ '2.5.29.37.0' => 'anyExtendedKeyUsage',
+ '1.3.6.1.5.5.7.3.1' => 'id-kp-serverAuth',
+ '1.3.6.1.5.5.7.3.2' => 'id-kp-clientAuth',
+ '1.3.6.1.5.5.7.3.3' => 'id-kp-codeSigning',
+ '1.3.6.1.5.5.7.3.4' => 'id-kp-emailProtection',
+ '1.3.6.1.5.5.7.3.8' => 'id-kp-timeStamping',
+ '1.3.6.1.5.5.7.3.9' => 'id-kp-OCSPSigning',
+ '2.5.29.54' => 'id-ce-inhibitAnyPolicy',
+ '2.5.29.46' => 'id-ce-freshestCRL',
+ '1.3.6.1.5.5.7.1.1' => 'id-pe-authorityInfoAccess',
+ '1.3.6.1.5.5.7.1.11' => 'id-pe-subjectInfoAccess',
+ '2.5.29.20' => 'id-ce-cRLNumber',
+ '2.5.29.28' => 'id-ce-issuingDistributionPoint',
+ '2.5.29.27' => 'id-ce-deltaCRLIndicator',
+ '2.5.29.21' => 'id-ce-cRLReasons',
+ '2.5.29.29' => 'id-ce-certificateIssuer',
+ '2.5.29.23' => 'id-ce-holdInstructionCode',
+ '1.2.840.10040.2' => 'holdInstruction',
+ '1.2.840.10040.2.1' => 'id-holdinstruction-none',
+ '1.2.840.10040.2.2' => 'id-holdinstruction-callissuer',
+ '1.2.840.10040.2.3' => 'id-holdinstruction-reject',
+ '2.5.29.24' => 'id-ce-invalidityDate',
+
+ '1.2.840.113549.2.2' => 'md2',
+ '1.2.840.113549.2.5' => 'md5',
+ '1.3.14.3.2.26' => 'id-sha1',
+ '1.2.840.10040.4.1' => 'id-dsa',
+ '1.2.840.10040.4.3' => 'id-dsa-with-sha1',
+ '1.2.840.113549.1.1' => 'pkcs-1',
+ '1.2.840.113549.1.1.1' => 'rsaEncryption',
+ '1.2.840.113549.1.1.2' => 'md2WithRSAEncryption',
+ '1.2.840.113549.1.1.4' => 'md5WithRSAEncryption',
+ '1.2.840.113549.1.1.5' => 'sha1WithRSAEncryption',
+ '1.2.840.10046.2.1' => 'dhpublicnumber',
+ '2.16.840.1.101.2.1.1.22' => 'id-keyExchangeAlgorithm',
+ '1.2.840.10045' => 'ansi-X9-62',
+ '1.2.840.10045.4' => 'id-ecSigType',
+ '1.2.840.10045.4.1' => 'ecdsa-with-SHA1',
+ '1.2.840.10045.1' => 'id-fieldType',
+ '1.2.840.10045.1.1' => 'prime-field',
+ '1.2.840.10045.1.2' => 'characteristic-two-field',
+ '1.2.840.10045.1.2.3' => 'id-characteristic-two-basis',
+ '1.2.840.10045.1.2.3.1' => 'gnBasis',
+ '1.2.840.10045.1.2.3.2' => 'tpBasis',
+ '1.2.840.10045.1.2.3.3' => 'ppBasis',
+ '1.2.840.10045.2' => 'id-publicKeyType',
+ '1.2.840.10045.2.1' => 'id-ecPublicKey',
+ '1.2.840.10045.3' => 'ellipticCurve',
+ '1.2.840.10045.3.0' => 'c-TwoCurve',
+ '1.2.840.10045.3.0.1' => 'c2pnb163v1',
+ '1.2.840.10045.3.0.2' => 'c2pnb163v2',
+ '1.2.840.10045.3.0.3' => 'c2pnb163v3',
+ '1.2.840.10045.3.0.4' => 'c2pnb176w1',
+ '1.2.840.10045.3.0.5' => 'c2pnb191v1',
+ '1.2.840.10045.3.0.6' => 'c2pnb191v2',
+ '1.2.840.10045.3.0.7' => 'c2pnb191v3',
+ '1.2.840.10045.3.0.8' => 'c2pnb191v4',
+ '1.2.840.10045.3.0.9' => 'c2pnb191v5',
+ '1.2.840.10045.3.0.10' => 'c2pnb208w1',
+ '1.2.840.10045.3.0.11' => 'c2pnb239v1',
+ '1.2.840.10045.3.0.12' => 'c2pnb239v2',
+ '1.2.840.10045.3.0.13' => 'c2pnb239v3',
+ '1.2.840.10045.3.0.14' => 'c2pnb239v4',
+ '1.2.840.10045.3.0.15' => 'c2pnb239v5',
+ '1.2.840.10045.3.0.16' => 'c2pnb272w1',
+ '1.2.840.10045.3.0.17' => 'c2pnb304w1',
+ '1.2.840.10045.3.0.18' => 'c2pnb359v1',
+ '1.2.840.10045.3.0.19' => 'c2pnb368w1',
+ '1.2.840.10045.3.0.20' => 'c2pnb431r1',
+ '1.2.840.10045.3.1' => 'primeCurve',
+ '1.2.840.10045.3.1.1' => 'prime192v1',
+ '1.2.840.10045.3.1.2' => 'prime192v2',
+ '1.2.840.10045.3.1.3' => 'prime192v3',
+ '1.2.840.10045.3.1.4' => 'prime239v1',
+ '1.2.840.10045.3.1.5' => 'prime239v2',
+ '1.2.840.10045.3.1.6' => 'prime239v3',
+ '1.2.840.10045.3.1.7' => 'prime256v1',
+ '1.2.840.113549.1.1.7' => 'id-RSAES-OAEP',
+ '1.2.840.113549.1.1.9' => 'id-pSpecified',
+ '1.2.840.113549.1.1.10' => 'id-RSASSA-PSS',
+ '1.2.840.113549.1.1.8' => 'id-mgf1',
+ '1.2.840.113549.1.1.14' => 'sha224WithRSAEncryption',
+ '1.2.840.113549.1.1.11' => 'sha256WithRSAEncryption',
+ '1.2.840.113549.1.1.12' => 'sha384WithRSAEncryption',
+ '1.2.840.113549.1.1.13' => 'sha512WithRSAEncryption',
+ '2.16.840.1.101.3.4.2.4' => 'id-sha224',
+ '2.16.840.1.101.3.4.2.1' => 'id-sha256',
+ '2.16.840.1.101.3.4.2.2' => 'id-sha384',
+ '2.16.840.1.101.3.4.2.3' => 'id-sha512',
+ '1.2.643.2.2.4' => 'id-GostR3411-94-with-GostR3410-94',
+ '1.2.643.2.2.3' => 'id-GostR3411-94-with-GostR3410-2001',
+ '1.2.643.2.2.20' => 'id-GostR3410-2001',
+ '1.2.643.2.2.19' => 'id-GostR3410-94',
+ // Netscape Object Identifiers from "Netscape Certificate Extensions"
+ '2.16.840.1.113730' => 'netscape',
+ '2.16.840.1.113730.1' => 'netscape-cert-extension',
+ '2.16.840.1.113730.1.1' => 'netscape-cert-type',
+ '2.16.840.1.113730.1.13' => 'netscape-comment',
+ '2.16.840.1.113730.1.8' => 'netscape-ca-policy-url',
+ // the following are X.509 extensions not supported by phpseclib
+ '1.3.6.1.5.5.7.1.12' => 'id-pe-logotype',
+ '1.2.840.113533.7.65.0' => 'entrustVersInfo',
+ '2.16.840.1.113733.1.6.9' => 'verisignPrivate',
+ // for Certificate Signing Requests
+ // see http://tools.ietf.org/html/rfc2985
+ '1.2.840.113549.1.9.2' => 'pkcs-9-at-unstructuredName', // PKCS #9 unstructured name
+ '1.2.840.113549.1.9.7' => 'pkcs-9-at-challengePassword', // Challenge password for certificate revocations
+ '1.2.840.113549.1.9.14' => 'pkcs-9-at-extensionRequest' // Certificate extension request
+ );
+ }
+
+ /**
+ * Load X.509 certificate
+ *
+ * Returns an associative array describing the X.509 cert or a false if the cert failed to load
+ *
+ * @param String $cert
+ * @access public
+ * @return Mixed
+ */
+ function loadX509($cert)
+ {
+ if (is_array($cert) && isset($cert['tbsCertificate'])) {
+ unset($this->currentCert);
+ unset($this->currentKeyIdentifier);
+ $this->dn = $cert['tbsCertificate']['subject'];
+ if (!isset($this->dn)) {
+ return false;
+ }
+ $this->currentCert = $cert;
+
+ $currentKeyIdentifier = $this->getExtension('id-ce-subjectKeyIdentifier');
+ $this->currentKeyIdentifier = is_string($currentKeyIdentifier) ? $currentKeyIdentifier : null;
+
+ unset($this->signatureSubject);
+
+ return $cert;
+ }
+
+ $asn1 = new File_ASN1();
+
+ $cert = $this->_extractBER($cert);
+
+ if ($cert === false) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $asn1->loadOIDs($this->oids);
+ $decoded = $asn1->decodeBER($cert);
+
+ if (!empty($decoded)) {
+ $x509 = $asn1->asn1map($decoded[0], $this->Certificate);
+ }
+ if (!isset($x509) || $x509 === false) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $this->signatureSubject = substr($cert, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']);
+
+ $this->_mapInExtensions($x509, 'tbsCertificate/extensions', $asn1);
+
+ $key = &$x509['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'];
+ $key = $this->_reformatKey($x509['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'], $key);
+
+ $this->currentCert = $x509;
+ $this->dn = $x509['tbsCertificate']['subject'];
+
+ $currentKeyIdentifier = $this->getExtension('id-ce-subjectKeyIdentifier');
+ $this->currentKeyIdentifier = is_string($currentKeyIdentifier) ? $currentKeyIdentifier : null;
+
+ return $x509;
+ }
+
+ /**
+ * Save X.509 certificate
+ *
+ * @param Array $cert
+ * @param Integer $format optional
+ * @access public
+ * @return String
+ */
+ function saveX509($cert, $format = FILE_X509_FORMAT_PEM)
+ {
+ if (!is_array($cert) || !isset($cert['tbsCertificate'])) {
+ return false;
+ }
+
+ switch (true) {
+ // "case !$a: case !$b: break; default: whatever();" is the same thing as "if ($a && $b) whatever()"
+ case !($algorithm = $this->_subArray($cert, 'tbsCertificate/subjectPublicKeyInfo/algorithm/algorithm')):
+ case is_object($cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']):
+ break;
+ default:
+ switch ($algorithm) {
+ case 'rsaEncryption':
+ $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']
+ = base64_encode("\0" . base64_decode(preg_replace('#-.+-|[\r\n]#', '', $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'])));
+ }
+ }
+
+ $asn1 = new File_ASN1();
+ $asn1->loadOIDs($this->oids);
+
+ $filters = array();
+ $type_utf8_string = array('type' => FILE_ASN1_TYPE_UTF8_STRING);
+ $filters['tbsCertificate']['signature']['parameters'] = $type_utf8_string;
+ $filters['tbsCertificate']['signature']['issuer']['rdnSequence']['value'] = $type_utf8_string;
+ $filters['tbsCertificate']['issuer']['rdnSequence']['value'] = $type_utf8_string;
+ $filters['tbsCertificate']['subject']['rdnSequence']['value'] = $type_utf8_string;
+ $filters['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['parameters'] = $type_utf8_string;
+ $filters['signatureAlgorithm']['parameters'] = $type_utf8_string;
+ $filters['authorityCertIssuer']['directoryName']['rdnSequence']['value'] = $type_utf8_string;
+ //$filters['policyQualifiers']['qualifier'] = $type_utf8_string;
+ $filters['distributionPoint']['fullName']['directoryName']['rdnSequence']['value'] = $type_utf8_string;
+ $filters['directoryName']['rdnSequence']['value'] = $type_utf8_string;
+
+ /* in the case of policyQualifiers/qualifier, the type has to be FILE_ASN1_TYPE_IA5_STRING.
+ FILE_ASN1_TYPE_PRINTABLE_STRING will cause OpenSSL's X.509 parser to spit out random
+ characters.
+ */
+ $filters['policyQualifiers']['qualifier']
+ = array('type' => FILE_ASN1_TYPE_IA5_STRING);
+
+ $asn1->loadFilters($filters);
+
+ $this->_mapOutExtensions($cert, 'tbsCertificate/extensions', $asn1);
+
+ $cert = $asn1->encodeDER($cert, $this->Certificate);
+
+ switch ($format) {
+ case FILE_X509_FORMAT_DER:
+ return $cert;
+ // case FILE_X509_FORMAT_PEM:
+ default:
+ return "-----BEGIN CERTIFICATE-----\r\n" . chunk_split(base64_encode($cert), 64) . '-----END CERTIFICATE-----';
+ }
+ }
+
+ /**
+ * Map extension values from octet string to extension-specific internal
+ * format.
+ *
+ * @param Array ref $root
+ * @param String $path
+ * @param Object $asn1
+ * @access private
+ */
+ function _mapInExtensions(&$root, $path, $asn1)
+ {
+ $extensions = &$this->_subArray($root, $path);
+
+ if (is_array($extensions)) {
+ for ($i = 0; $i < count($extensions); $i++) {
+ $id = $extensions[$i]['extnId'];
+ $value = &$extensions[$i]['extnValue'];
+ $value = base64_decode($value);
+ $decoded = $asn1->decodeBER($value);
+ /* [extnValue] contains the DER encoding of an ASN.1 value
+ corresponding to the extension type identified by extnID */
+ $map = $this->_getMapping($id);
+ if (!is_bool($map)) {
+ $mapped = $asn1->asn1map($decoded[0], $map, array('iPAddress' => array($this, '_decodeIP')));
+ $value = $mapped === false ? $decoded[0] : $mapped;
+
+ if ($id == 'id-ce-certificatePolicies') {
+ for ($j = 0; $j < count($value); $j++) {
+ if (!isset($value[$j]['policyQualifiers'])) {
+ continue;
+ }
+ for ($k = 0; $k < count($value[$j]['policyQualifiers']); $k++) {
+ $subid = $value[$j]['policyQualifiers'][$k]['policyQualifierId'];
+ $map = $this->_getMapping($subid);
+ $subvalue = &$value[$j]['policyQualifiers'][$k]['qualifier'];
+ if ($map !== false) {
+ $decoded = $asn1->decodeBER($subvalue);
+ $mapped = $asn1->asn1map($decoded[0], $map);
+ $subvalue = $mapped === false ? $decoded[0] : $mapped;
+ }
+ }
+ }
+ }
+ } elseif ($map) {
+ $value = base64_encode($value);
+ }
+ }
+ }
+ }
+
+ /**
+ * Map extension values from extension-specific internal format to
+ * octet string.
+ *
+ * @param Array ref $root
+ * @param String $path
+ * @param Object $asn1
+ * @access private
+ */
+ function _mapOutExtensions(&$root, $path, $asn1)
+ {
+ $extensions = &$this->_subArray($root, $path);
+
+ if (is_array($extensions)) {
+ $size = count($extensions);
+ for ($i = 0; $i < $size; $i++) {
+ $id = $extensions[$i]['extnId'];
+ $value = &$extensions[$i]['extnValue'];
+
+ switch ($id) {
+ case 'id-ce-certificatePolicies':
+ for ($j = 0; $j < count($value); $j++) {
+ if (!isset($value[$j]['policyQualifiers'])) {
+ continue;
+ }
+ for ($k = 0; $k < count($value[$j]['policyQualifiers']); $k++) {
+ $subid = $value[$j]['policyQualifiers'][$k]['policyQualifierId'];
+ $map = $this->_getMapping($subid);
+ $subvalue = &$value[$j]['policyQualifiers'][$k]['qualifier'];
+ if ($map !== false) {
+ // by default File_ASN1 will try to render qualifier as a FILE_ASN1_TYPE_IA5_STRING since it's
+ // actual type is FILE_ASN1_TYPE_ANY
+ $subvalue = new File_ASN1_Element($asn1->encodeDER($subvalue, $map));
+ }
+ }
+ }
+ break;
+ case 'id-ce-authorityKeyIdentifier': // use 00 as the serial number instead of an empty string
+ if (isset($value['authorityCertSerialNumber'])) {
+ if ($value['authorityCertSerialNumber']->toBytes() == '') {
+ $temp = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | 2) . "\1\0";
+ $value['authorityCertSerialNumber'] = new File_ASN1_Element($temp);
+ }
+ }
+ }
+
+ /* [extnValue] contains the DER encoding of an ASN.1 value
+ corresponding to the extension type identified by extnID */
+ $map = $this->_getMapping($id);
+ if (is_bool($map)) {
+ if (!$map) {
+ user_error($id . ' is not a currently supported extension');
+ unset($extensions[$i]);
+ }
+ } else {
+ $temp = $asn1->encodeDER($value, $map, array('iPAddress' => array($this, '_encodeIP')));
+ $value = base64_encode($temp);
+ }
+ }
+ }
+ }
+
+ /**
+ * Map attribute values from ANY type to attribute-specific internal
+ * format.
+ *
+ * @param Array ref $root
+ * @param String $path
+ * @param Object $asn1
+ * @access private
+ */
+ function _mapInAttributes(&$root, $path, $asn1)
+ {
+ $attributes = &$this->_subArray($root, $path);
+
+ if (is_array($attributes)) {
+ for ($i = 0; $i < count($attributes); $i++) {
+ $id = $attributes[$i]['type'];
+ /* $value contains the DER encoding of an ASN.1 value
+ corresponding to the attribute type identified by type */
+ $map = $this->_getMapping($id);
+ if (is_array($attributes[$i]['value'])) {
+ $values = &$attributes[$i]['value'];
+ for ($j = 0; $j < count($values); $j++) {
+ $value = $asn1->encodeDER($values[$j], $this->AttributeValue);
+ $decoded = $asn1->decodeBER($value);
+ if (!is_bool($map)) {
+ $mapped = $asn1->asn1map($decoded[0], $map);
+ if ($mapped !== false) {
+ $values[$j] = $mapped;
+ }
+ if ($id == 'pkcs-9-at-extensionRequest') {
+ $this->_mapInExtensions($values, $j, $asn1);
+ }
+ } elseif ($map) {
+ $values[$j] = base64_encode($value);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Map attribute values from attribute-specific internal format to
+ * ANY type.
+ *
+ * @param Array ref $root
+ * @param String $path
+ * @param Object $asn1
+ * @access private
+ */
+ function _mapOutAttributes(&$root, $path, $asn1)
+ {
+ $attributes = &$this->_subArray($root, $path);
+
+ if (is_array($attributes)) {
+ $size = count($attributes);
+ for ($i = 0; $i < $size; $i++) {
+ /* [value] contains the DER encoding of an ASN.1 value
+ corresponding to the attribute type identified by type */
+ $id = $attributes[$i]['type'];
+ $map = $this->_getMapping($id);
+ if ($map === false) {
+ user_error($id . ' is not a currently supported attribute', E_USER_NOTICE);
+ unset($attributes[$i]);
+ } elseif (is_array($attributes[$i]['value'])) {
+ $values = &$attributes[$i]['value'];
+ for ($j = 0; $j < count($values); $j++) {
+ switch ($id) {
+ case 'pkcs-9-at-extensionRequest':
+ $this->_mapOutExtensions($values, $j, $asn1);
+ break;
+ }
+
+ if (!is_bool($map)) {
+ $temp = $asn1->encodeDER($values[$j], $map);
+ $decoded = $asn1->decodeBER($temp);
+ $values[$j] = $asn1->asn1map($decoded[0], $this->AttributeValue);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Associate an extension ID to an extension mapping
+ *
+ * @param String $extnId
+ * @access private
+ * @return Mixed
+ */
+ function _getMapping($extnId)
+ {
+ if (!is_string($extnId)) { // eg. if it's a File_ASN1_Element object
+ return true;
+ }
+
+ switch ($extnId) {
+ case 'id-ce-keyUsage':
+ return $this->KeyUsage;
+ case 'id-ce-basicConstraints':
+ return $this->BasicConstraints;
+ case 'id-ce-subjectKeyIdentifier':
+ return $this->KeyIdentifier;
+ case 'id-ce-cRLDistributionPoints':
+ return $this->CRLDistributionPoints;
+ case 'id-ce-authorityKeyIdentifier':
+ return $this->AuthorityKeyIdentifier;
+ case 'id-ce-certificatePolicies':
+ return $this->CertificatePolicies;
+ case 'id-ce-extKeyUsage':
+ return $this->ExtKeyUsageSyntax;
+ case 'id-pe-authorityInfoAccess':
+ return $this->AuthorityInfoAccessSyntax;
+ case 'id-ce-subjectAltName':
+ return $this->SubjectAltName;
+ case 'id-ce-privateKeyUsagePeriod':
+ return $this->PrivateKeyUsagePeriod;
+ case 'id-ce-issuerAltName':
+ return $this->IssuerAltName;
+ case 'id-ce-policyMappings':
+ return $this->PolicyMappings;
+ case 'id-ce-nameConstraints':
+ return $this->NameConstraints;
+
+ case 'netscape-cert-type':
+ return $this->netscape_cert_type;
+ case 'netscape-comment':
+ return $this->netscape_comment;
+ case 'netscape-ca-policy-url':
+ return $this->netscape_ca_policy_url;
+
+ // since id-qt-cps isn't a constructed type it will have already been decoded as a string by the time it gets
+ // back around to asn1map() and we don't want it decoded again.
+ //case 'id-qt-cps':
+ // return $this->CPSuri;
+ case 'id-qt-unotice':
+ return $this->UserNotice;
+
+ // the following OIDs are unsupported but we don't want them to give notices when calling saveX509().
+ case 'id-pe-logotype': // http://www.ietf.org/rfc/rfc3709.txt
+ case 'entrustVersInfo':
+ // http://support.microsoft.com/kb/287547
+ case '1.3.6.1.4.1.311.20.2': // szOID_ENROLL_CERTTYPE_EXTENSION
+ case '1.3.6.1.4.1.311.21.1': // szOID_CERTSRV_CA_VERSION
+ // "SET Secure Electronic Transaction Specification"
+ // http://www.maithean.com/docs/set_bk3.pdf
+ case '2.23.42.7.0': // id-set-hashedRootKey
+ return true;
+
+ // CSR attributes
+ case 'pkcs-9-at-unstructuredName':
+ return $this->PKCS9String;
+ case 'pkcs-9-at-challengePassword':
+ return $this->DirectoryString;
+ case 'pkcs-9-at-extensionRequest':
+ return $this->Extensions;
+
+ // CRL extensions.
+ case 'id-ce-cRLNumber':
+ return $this->CRLNumber;
+ case 'id-ce-deltaCRLIndicator':
+ return $this->CRLNumber;
+ case 'id-ce-issuingDistributionPoint':
+ return $this->IssuingDistributionPoint;
+ case 'id-ce-freshestCRL':
+ return $this->CRLDistributionPoints;
+ case 'id-ce-cRLReasons':
+ return $this->CRLReason;
+ case 'id-ce-invalidityDate':
+ return $this->InvalidityDate;
+ case 'id-ce-certificateIssuer':
+ return $this->CertificateIssuer;
+ case 'id-ce-holdInstructionCode':
+ return $this->HoldInstructionCode;
+ }
+
+ return false;
+ }
+
+ /**
+ * Load an X.509 certificate as a certificate authority
+ *
+ * @param String $cert
+ * @access public
+ * @return Boolean
+ */
+ function loadCA($cert)
+ {
+ $olddn = $this->dn;
+ $oldcert = $this->currentCert;
+ $oldsigsubj = $this->signatureSubject;
+ $oldkeyid = $this->currentKeyIdentifier;
+
+ $cert = $this->loadX509($cert);
+ if (!$cert) {
+ $this->dn = $olddn;
+ $this->currentCert = $oldcert;
+ $this->signatureSubject = $oldsigsubj;
+ $this->currentKeyIdentifier = $oldkeyid;
+
+ return false;
+ }
+
+ /* From RFC5280 "PKIX Certificate and CRL Profile":
+
+ If the keyUsage extension is present, then the subject public key
+ MUST NOT be used to verify signatures on certificates or CRLs unless
+ the corresponding keyCertSign or cRLSign bit is set. */
+ //$keyUsage = $this->getExtension('id-ce-keyUsage');
+ //if ($keyUsage && !in_array('keyCertSign', $keyUsage)) {
+ // return false;
+ //}
+
+ /* From RFC5280 "PKIX Certificate and CRL Profile":
+
+ The cA boolean indicates whether the certified public key may be used
+ to verify certificate signatures. If the cA boolean is not asserted,
+ then the keyCertSign bit in the key usage extension MUST NOT be
+ asserted. If the basic constraints extension is not present in a
+ version 3 certificate, or the extension is present but the cA boolean
+ is not asserted, then the certified public key MUST NOT be used to
+ verify certificate signatures. */
+ //$basicConstraints = $this->getExtension('id-ce-basicConstraints');
+ //if (!$basicConstraints || !$basicConstraints['cA']) {
+ // return false;
+ //}
+
+ $this->CAs[] = $cert;
+
+ $this->dn = $olddn;
+ $this->currentCert = $oldcert;
+ $this->signatureSubject = $oldsigsubj;
+
+ return true;
+ }
+
+ /**
+ * Validate an X.509 certificate against a URL
+ *
+ * From RFC2818 "HTTP over TLS":
+ *
+ * Matching is performed using the matching rules specified by
+ * [RFC2459]. If more than one identity of a given type is present in
+ * the certificate (e.g., more than one dNSName name, a match in any one
+ * of the set is considered acceptable.) Names may contain the wildcard
+ * character * which is considered to match any single domain name
+ * component or component fragment. E.g., *.a.com matches foo.a.com but
+ * not bar.foo.a.com. f*.com matches foo.com but not bar.com.
+ *
+ * @param String $url
+ * @access public
+ * @return Boolean
+ */
+ function validateURL($url)
+ {
+ if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) {
+ return false;
+ }
+
+ $components = parse_url($url);
+ if (!isset($components['host'])) {
+ return false;
+ }
+
+ if ($names = $this->getExtension('id-ce-subjectAltName')) {
+ foreach ($names as $key => $value) {
+ $value = str_replace(array('.', '*'), array('\.', '[^.]*'), $value);
+ switch ($key) {
+ case 'dNSName':
+ /* From RFC2818 "HTTP over TLS":
+
+ If a subjectAltName extension of type dNSName is present, that MUST
+ be used as the identity. Otherwise, the (most specific) Common Name
+ field in the Subject field of the certificate MUST be used. Although
+ the use of the Common Name is existing practice, it is deprecated and
+ Certification Authorities are encouraged to use the dNSName instead. */
+ if (preg_match('#^' . $value . '$#', $components['host'])) {
+ return true;
+ }
+ break;
+ case 'iPAddress':
+ /* From RFC2818 "HTTP over TLS":
+
+ In some cases, the URI is specified as an IP address rather than a
+ hostname. In this case, the iPAddress subjectAltName must be present
+ in the certificate and must exactly match the IP in the URI. */
+ if (preg_match('#(?:\d{1-3}\.){4}#', $components['host'] . '.') && preg_match('#^' . $value . '$#', $components['host'])) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ if ($value = $this->getDNProp('id-at-commonName')) {
+ $value = str_replace(array('.', '*'), array('\.', '[^.]*'), $value[0]);
+ return preg_match('#^' . $value . '$#', $components['host']);
+ }
+
+ return false;
+ }
+
+ /**
+ * Validate a date
+ *
+ * If $date isn't defined it is assumed to be the current date.
+ *
+ * @param Integer $date optional
+ * @access public
+ */
+ function validateDate($date = null)
+ {
+ if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) {
+ return false;
+ }
+
+ if (!isset($date)) {
+ $date = time();
+ }
+
+ $notBefore = $this->currentCert['tbsCertificate']['validity']['notBefore'];
+ $notBefore = isset($notBefore['generalTime']) ? $notBefore['generalTime'] : $notBefore['utcTime'];
+
+ $notAfter = $this->currentCert['tbsCertificate']['validity']['notAfter'];
+ $notAfter = isset($notAfter['generalTime']) ? $notAfter['generalTime'] : $notAfter['utcTime'];
+
+ switch (true) {
+ case $date < @strtotime($notBefore):
+ case $date > @strtotime($notAfter):
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Validate a signature
+ *
+ * Works on X.509 certs, CSR's and CRL's.
+ * Returns true if the signature is verified, false if it is not correct or null on error
+ *
+ * By default returns false for self-signed certs. Call validateSignature(false) to make this support
+ * self-signed.
+ *
+ * The behavior of this function is inspired by {@link http://php.net/openssl-verify openssl_verify}.
+ *
+ * @param Boolean $caonly optional
+ * @access public
+ * @return Mixed
+ */
+ function validateSignature($caonly = true)
+ {
+ if (!is_array($this->currentCert) || !isset($this->signatureSubject)) {
+ return null;
+ }
+
+ /* TODO:
+ "emailAddress attribute values are not case-sensitive (e.g., "subscriber@example.com" is the same as "SUBSCRIBER@EXAMPLE.COM")."
+ -- http://tools.ietf.org/html/rfc5280#section-4.1.2.6
+
+ implement pathLenConstraint in the id-ce-basicConstraints extension */
+
+ switch (true) {
+ case isset($this->currentCert['tbsCertificate']):
+ // self-signed cert
+ if ($this->currentCert['tbsCertificate']['issuer'] === $this->currentCert['tbsCertificate']['subject']) {
+ $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier');
+ $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier');
+ switch (true) {
+ case !is_array($authorityKey):
+ case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID:
+ $signingCert = $this->currentCert; // working cert
+ }
+ }
+
+ if (!empty($this->CAs)) {
+ for ($i = 0; $i < count($this->CAs); $i++) {
+ // even if the cert is a self-signed one we still want to see if it's a CA;
+ // if not, we'll conditionally return an error
+ $ca = $this->CAs[$i];
+ if ($this->currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']) {
+ $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier');
+ $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca);
+ switch (true) {
+ case !is_array($authorityKey):
+ case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID:
+ $signingCert = $ca; // working cert
+ break 2;
+ }
+ }
+ }
+ if (count($this->CAs) == $i && $caonly) {
+ return false;
+ }
+ } elseif (!isset($signingCert) || $caonly) {
+ return false;
+ }
+ return $this->_validateSignature(
+ $signingCert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'],
+ $signingCert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'],
+ $this->currentCert['signatureAlgorithm']['algorithm'],
+ substr(base64_decode($this->currentCert['signature']), 1),
+ $this->signatureSubject
+ );
+ case isset($this->currentCert['certificationRequestInfo']):
+ return $this->_validateSignature(
+ $this->currentCert['certificationRequestInfo']['subjectPKInfo']['algorithm']['algorithm'],
+ $this->currentCert['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'],
+ $this->currentCert['signatureAlgorithm']['algorithm'],
+ substr(base64_decode($this->currentCert['signature']), 1),
+ $this->signatureSubject
+ );
+ case isset($this->currentCert['publicKeyAndChallenge']):
+ return $this->_validateSignature(
+ $this->currentCert['publicKeyAndChallenge']['spki']['algorithm']['algorithm'],
+ $this->currentCert['publicKeyAndChallenge']['spki']['subjectPublicKey'],
+ $this->currentCert['signatureAlgorithm']['algorithm'],
+ substr(base64_decode($this->currentCert['signature']), 1),
+ $this->signatureSubject
+ );
+ case isset($this->currentCert['tbsCertList']):
+ if (!empty($this->CAs)) {
+ for ($i = 0; $i < count($this->CAs); $i++) {
+ $ca = $this->CAs[$i];
+ if ($this->currentCert['tbsCertList']['issuer'] === $ca['tbsCertificate']['subject']) {
+ $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier');
+ $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca);
+ switch (true) {
+ case !is_array($authorityKey):
+ case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID:
+ $signingCert = $ca; // working cert
+ break 2;
+ }
+ }
+ }
+ }
+ if (!isset($signingCert)) {
+ return false;
+ }
+ return $this->_validateSignature(
+ $signingCert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'],
+ $signingCert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'],
+ $this->currentCert['signatureAlgorithm']['algorithm'],
+ substr(base64_decode($this->currentCert['signature']), 1),
+ $this->signatureSubject
+ );
+ default:
+ return false;
+ }
+ }
+
+ /**
+ * Validates a signature
+ *
+ * Returns true if the signature is verified, false if it is not correct or null on error
+ *
+ * @param String $publicKeyAlgorithm
+ * @param String $publicKey
+ * @param String $signatureAlgorithm
+ * @param String $signature
+ * @param String $signatureSubject
+ * @access private
+ * @return Integer
+ */
+ function _validateSignature($publicKeyAlgorithm, $publicKey, $signatureAlgorithm, $signature, $signatureSubject)
+ {
+ switch ($publicKeyAlgorithm) {
+ case 'rsaEncryption':
+ if (!class_exists('Crypt_RSA')) {
+ include_once 'Crypt/RSA.php';
+ }
+ $rsa = new Crypt_RSA();
+ $rsa->loadKey($publicKey);
+
+ switch ($signatureAlgorithm) {
+ case 'md2WithRSAEncryption':
+ case 'md5WithRSAEncryption':
+ case 'sha1WithRSAEncryption':
+ case 'sha224WithRSAEncryption':
+ case 'sha256WithRSAEncryption':
+ case 'sha384WithRSAEncryption':
+ case 'sha512WithRSAEncryption':
+ $rsa->setHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm));
+ $rsa->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1);
+ if (!@$rsa->verify($signatureSubject, $signature)) {
+ return false;
+ }
+ break;
+ default:
+ return null;
+ }
+ break;
+ default:
+ return null;
+ }
+
+ return true;
+ }
+
+ /**
+ * Reformat public keys
+ *
+ * Reformats a public key to a format supported by phpseclib (if applicable)
+ *
+ * @param String $algorithm
+ * @param String $key
+ * @access private
+ * @return String
+ */
+ function _reformatKey($algorithm, $key)
+ {
+ switch ($algorithm) {
+ case 'rsaEncryption':
+ return
+ "-----BEGIN RSA PUBLIC KEY-----\r\n" .
+ // subjectPublicKey is stored as a bit string in X.509 certs. the first byte of a bit string represents how many bits
+ // in the last byte should be ignored. the following only supports non-zero stuff but as none of the X.509 certs Firefox
+ // uses as a cert authority actually use a non-zero bit I think it's safe to assume that none do.
+ chunk_split(base64_encode(substr(base64_decode($key), 1)), 64) .
+ '-----END RSA PUBLIC KEY-----';
+ default:
+ return $key;
+ }
+ }
+
+ /**
+ * Decodes an IP address
+ *
+ * Takes in a base64 encoded "blob" and returns a human readable IP address
+ *
+ * @param String $ip
+ * @access private
+ * @return String
+ */
+ function _decodeIP($ip)
+ {
+ $ip = base64_decode($ip);
+ list(, $ip) = unpack('N', $ip);
+ return long2ip($ip);
+ }
+
+ /**
+ * Encodes an IP address
+ *
+ * Takes a human readable IP address into a base64-encoded "blob"
+ *
+ * @param String $ip
+ * @access private
+ * @return String
+ */
+ function _encodeIP($ip)
+ {
+ return base64_encode(pack('N', ip2long($ip)));
+ }
+
+ /**
+ * "Normalizes" a Distinguished Name property
+ *
+ * @param String $propName
+ * @access private
+ * @return Mixed
+ */
+ function _translateDNProp($propName)
+ {
+ switch (strtolower($propName)) {
+ case 'id-at-countryname':
+ case 'countryname':
+ case 'c':
+ return 'id-at-countryName';
+ case 'id-at-organizationname':
+ case 'organizationname':
+ case 'o':
+ return 'id-at-organizationName';
+ case 'id-at-dnqualifier':
+ case 'dnqualifier':
+ return 'id-at-dnQualifier';
+ case 'id-at-commonname':
+ case 'commonname':
+ case 'cn':
+ return 'id-at-commonName';
+ case 'id-at-stateorprovincename':
+ case 'stateorprovincename':
+ case 'state':
+ case 'province':
+ case 'provincename':
+ case 'st':
+ return 'id-at-stateOrProvinceName';
+ case 'id-at-localityname':
+ case 'localityname':
+ case 'l':
+ return 'id-at-localityName';
+ case 'id-emailaddress':
+ case 'emailaddress':
+ return 'pkcs-9-at-emailAddress';
+ case 'id-at-serialnumber':
+ case 'serialnumber':
+ return 'id-at-serialNumber';
+ case 'id-at-postalcode':
+ case 'postalcode':
+ return 'id-at-postalCode';
+ case 'id-at-streetaddress':
+ case 'streetaddress':
+ return 'id-at-streetAddress';
+ case 'id-at-name':
+ case 'name':
+ return 'id-at-name';
+ case 'id-at-givenname':
+ case 'givenname':
+ return 'id-at-givenName';
+ case 'id-at-surname':
+ case 'surname':
+ case 'sn':
+ return 'id-at-surname';
+ case 'id-at-initials':
+ case 'initials':
+ return 'id-at-initials';
+ case 'id-at-generationqualifier':
+ case 'generationqualifier':
+ return 'id-at-generationQualifier';
+ case 'id-at-organizationalunitname':
+ case 'organizationalunitname':
+ case 'ou':
+ return 'id-at-organizationalUnitName';
+ case 'id-at-pseudonym':
+ case 'pseudonym':
+ return 'id-at-pseudonym';
+ case 'id-at-title':
+ case 'title':
+ return 'id-at-title';
+ case 'id-at-description':
+ case 'description':
+ return 'id-at-description';
+ case 'id-at-role':
+ case 'role':
+ return 'id-at-role';
+ case 'id-at-uniqueidentifier':
+ case 'uniqueidentifier':
+ case 'x500uniqueidentifier':
+ return 'id-at-uniqueIdentifier';
+ default:
+ return false;
+ }
+ }
+
+ /**
+ * Set a Distinguished Name property
+ *
+ * @param String $propName
+ * @param Mixed $propValue
+ * @param String $type optional
+ * @access public
+ * @return Boolean
+ */
+ function setDNProp($propName, $propValue, $type = 'utf8String')
+ {
+ if (empty($this->dn)) {
+ $this->dn = array('rdnSequence' => array());
+ }
+
+ if (($propName = $this->_translateDNProp($propName)) === false) {
+ return false;
+ }
+
+ foreach ((array) $propValue as $v) {
+ if (!is_array($v) && isset($type)) {
+ $v = array($type => $v);
+ }
+ $this->dn['rdnSequence'][] = array(
+ array(
+ 'type' => $propName,
+ 'value'=> $v
+ )
+ );
+ }
+
+ return true;
+ }
+
+ /**
+ * Remove Distinguished Name properties
+ *
+ * @param String $propName
+ * @access public
+ */
+ function removeDNProp($propName)
+ {
+ if (empty($this->dn)) {
+ return;
+ }
+
+ if (($propName = $this->_translateDNProp($propName)) === false) {
+ return;
+ }
+
+ $dn = &$this->dn['rdnSequence'];
+ $size = count($dn);
+ for ($i = 0; $i < $size; $i++) {
+ if ($dn[$i][0]['type'] == $propName) {
+ unset($dn[$i]);
+ }
+ }
+
+ $dn = array_values($dn);
+ }
+
+ /**
+ * Get Distinguished Name properties
+ *
+ * @param String $propName
+ * @param Array $dn optional
+ * @param Boolean $withType optional
+ * @return Mixed
+ * @access public
+ */
+ function getDNProp($propName, $dn = null, $withType = false)
+ {
+ if (!isset($dn)) {
+ $dn = $this->dn;
+ }
+
+ if (empty($dn)) {
+ return false;
+ }
+
+ if (($propName = $this->_translateDNProp($propName)) === false) {
+ return false;
+ }
+
+ $dn = $dn['rdnSequence'];
+ $result = array();
+ $asn1 = new File_ASN1();
+ for ($i = 0; $i < count($dn); $i++) {
+ if ($dn[$i][0]['type'] == $propName) {
+ $v = $dn[$i][0]['value'];
+ if (!$withType && is_array($v)) {
+ foreach ($v as $type => $s) {
+ $type = array_search($type, $asn1->ANYmap, true);
+ if ($type !== false && isset($asn1->stringTypeSize[$type])) {
+ $s = $asn1->convert($s, $type);
+ if ($s !== false) {
+ $v = $s;
+ break;
+ }
+ }
+ }
+ if (is_array($v)) {
+ $v = array_pop($v); // Always strip data type.
+ }
+ }
+ $result[] = $v;
+ }
+ }
+
+ return $result;
+ }
+
+ /**
+ * Set a Distinguished Name
+ *
+ * @param Mixed $dn
+ * @param Boolean $merge optional
+ * @param String $type optional
+ * @access public
+ * @return Boolean
+ */
+ function setDN($dn, $merge = false, $type = 'utf8String')
+ {
+ if (!$merge) {
+ $this->dn = null;
+ }
+
+ if (is_array($dn)) {
+ if (isset($dn['rdnSequence'])) {
+ $this->dn = $dn; // No merge here.
+ return true;
+ }
+
+ // handles stuff generated by openssl_x509_parse()
+ foreach ($dn as $prop => $value) {
+ if (!$this->setDNProp($prop, $value, $type)) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ // handles everything else
+ $results = preg_split('#((?:^|, *|/)(?:C=|O=|OU=|CN=|L=|ST=|SN=|postalCode=|streetAddress=|emailAddress=|serialNumber=|organizationalUnitName=|title=|description=|role=|x500UniqueIdentifier=))#', $dn, -1, PREG_SPLIT_DELIM_CAPTURE);
+ for ($i = 1; $i < count($results); $i+=2) {
+ $prop = trim($results[$i], ', =/');
+ $value = $results[$i + 1];
+ if (!$this->setDNProp($prop, $value, $type)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Get the Distinguished Name for a certificates subject
+ *
+ * @param Mixed $format optional
+ * @param Array $dn optional
+ * @access public
+ * @return Boolean
+ */
+ function getDN($format = FILE_X509_DN_ARRAY, $dn = null)
+ {
+ if (!isset($dn)) {
+ $dn = isset($this->currentCert['tbsCertList']) ? $this->currentCert['tbsCertList']['issuer'] : $this->dn;
+ }
+
+ switch ((int) $format) {
+ case FILE_X509_DN_ARRAY:
+ return $dn;
+ case FILE_X509_DN_ASN1:
+ $asn1 = new File_ASN1();
+ $asn1->loadOIDs($this->oids);
+ $filters = array();
+ $filters['rdnSequence']['value'] = array('type' => FILE_ASN1_TYPE_UTF8_STRING);
+ $asn1->loadFilters($filters);
+ return $asn1->encodeDER($dn, $this->Name);
+ case FILE_X509_DN_OPENSSL:
+ $dn = $this->getDN(FILE_X509_DN_STRING, $dn);
+ if ($dn === false) {
+ return false;
+ }
+ $attrs = preg_split('#((?:^|, *|/)[a-z][a-z0-9]*=)#i', $dn, -1, PREG_SPLIT_DELIM_CAPTURE);
+ $dn = array();
+ for ($i = 1; $i < count($attrs); $i += 2) {
+ $prop = trim($attrs[$i], ', =/');
+ $value = $attrs[$i + 1];
+ if (!isset($dn[$prop])) {
+ $dn[$prop] = $value;
+ } else {
+ $dn[$prop] = array_merge((array) $dn[$prop], array($value));
+ }
+ }
+ return $dn;
+ case FILE_X509_DN_CANON:
+ // No SEQUENCE around RDNs and all string values normalized as
+ // trimmed lowercase UTF-8 with all spacing as one blank.
+ $asn1 = new File_ASN1();
+ $asn1->loadOIDs($this->oids);
+ $filters = array();
+ $filters['value'] = array('type' => FILE_ASN1_TYPE_UTF8_STRING);
+ $asn1->loadFilters($filters);
+ $result = '';
+ foreach ($dn['rdnSequence'] as $rdn) {
+ foreach ($rdn as $i=>$attr) {
+ $attr = &$rdn[$i];
+ if (is_array($attr['value'])) {
+ foreach ($attr['value'] as $type => $v) {
+ $type = array_search($type, $asn1->ANYmap, true);
+ if ($type !== false && isset($asn1->stringTypeSize[$type])) {
+ $v = $asn1->convert($v, $type);
+ if ($v !== false) {
+ $v = preg_replace('/\s+/', ' ', $v);
+ $attr['value'] = strtolower(trim($v));
+ break;
+ }
+ }
+ }
+ }
+ }
+ $result .= $asn1->encodeDER($rdn, $this->RelativeDistinguishedName);
+ }
+ return $result;
+ case FILE_X509_DN_HASH:
+ $dn = $this->getDN(FILE_X509_DN_CANON, $dn);
+ if (!class_exists('Crypt_Hash')) {
+ include_once 'Crypt/Hash.php';
+ }
+ $hash = new Crypt_Hash('sha1');
+ $hash = $hash->hash($dn);
+ extract(unpack('Vhash', $hash));
+ return strtolower(bin2hex(pack('N', $hash)));
+ }
+
+ // Default is to return a string.
+ $start = true;
+ $output = '';
+ $asn1 = new File_ASN1();
+ foreach ($dn['rdnSequence'] as $field) {
+ $prop = $field[0]['type'];
+ $value = $field[0]['value'];
+
+ $delim = ', ';
+ switch ($prop) {
+ case 'id-at-countryName':
+ $desc = 'C=';
+ break;
+ case 'id-at-stateOrProvinceName':
+ $desc = 'ST=';
+ break;
+ case 'id-at-organizationName':
+ $desc = 'O=';
+ break;
+ case 'id-at-organizationalUnitName':
+ $desc = 'OU=';
+ break;
+ case 'id-at-commonName':
+ $desc = 'CN=';
+ break;
+ case 'id-at-localityName':
+ $desc = 'L=';
+ break;
+ case 'id-at-surname':
+ $desc = 'SN=';
+ break;
+ case 'id-at-uniqueIdentifier':
+ $delim = '/';
+ $desc = 'x500UniqueIdentifier=';
+ break;
+ default:
+ $delim = '/';
+ $desc = preg_replace('#.+-([^-]+)$#', '$1', $prop) . '=';
+ }
+
+ if (!$start) {
+ $output.= $delim;
+ }
+ if (is_array($value)) {
+ foreach ($value as $type => $v) {
+ $type = array_search($type, $asn1->ANYmap, true);
+ if ($type !== false && isset($asn1->stringTypeSize[$type])) {
+ $v = $asn1->convert($v, $type);
+ if ($v !== false) {
+ $value = $v;
+ break;
+ }
+ }
+ }
+ if (is_array($value)) {
+ $value = array_pop($value); // Always strip data type.
+ }
+ }
+ $output.= $desc . $value;
+ $start = false;
+ }
+
+ return $output;
+ }
+
+ /**
+ * Get the Distinguished Name for a certificate/crl issuer
+ *
+ * @param Integer $format optional
+ * @access public
+ * @return Mixed
+ */
+ function getIssuerDN($format = FILE_X509_DN_ARRAY)
+ {
+ switch (true) {
+ case !isset($this->currentCert) || !is_array($this->currentCert):
+ break;
+ case isset($this->currentCert['tbsCertificate']):
+ return $this->getDN($format, $this->currentCert['tbsCertificate']['issuer']);
+ case isset($this->currentCert['tbsCertList']):
+ return $this->getDN($format, $this->currentCert['tbsCertList']['issuer']);
+ }
+
+ return false;
+ }
+
+ /**
+ * Get the Distinguished Name for a certificate/csr subject
+ * Alias of getDN()
+ *
+ * @param Integer $format optional
+ * @access public
+ * @return Mixed
+ */
+ function getSubjectDN($format = FILE_X509_DN_ARRAY)
+ {
+ switch (true) {
+ case !empty($this->dn):
+ return $this->getDN($format);
+ case !isset($this->currentCert) || !is_array($this->currentCert):
+ break;
+ case isset($this->currentCert['tbsCertificate']):
+ return $this->getDN($format, $this->currentCert['tbsCertificate']['subject']);
+ case isset($this->currentCert['certificationRequestInfo']):
+ return $this->getDN($format, $this->currentCert['certificationRequestInfo']['subject']);
+ }
+
+ return false;
+ }
+
+ /**
+ * Get an individual Distinguished Name property for a certificate/crl issuer
+ *
+ * @param String $propName
+ * @param Boolean $withType optional
+ * @access public
+ * @return Mixed
+ */
+ function getIssuerDNProp($propName, $withType = false)
+ {
+ switch (true) {
+ case !isset($this->currentCert) || !is_array($this->currentCert):
+ break;
+ case isset($this->currentCert['tbsCertificate']):
+ return $this->getDNProp($propName, $this->currentCert['tbsCertificate']['issuer'], $withType);
+ case isset($this->currentCert['tbsCertList']):
+ return $this->getDNProp($propName, $this->currentCert['tbsCertList']['issuer'], $withType);
+ }
+
+ return false;
+ }
+
+ /**
+ * Get an individual Distinguished Name property for a certificate/csr subject
+ *
+ * @param String $propName
+ * @param Boolean $withType optional
+ * @access public
+ * @return Mixed
+ */
+ function getSubjectDNProp($propName, $withType = false)
+ {
+ switch (true) {
+ case !empty($this->dn):
+ return $this->getDNProp($propName, null, $withType);
+ case !isset($this->currentCert) || !is_array($this->currentCert):
+ break;
+ case isset($this->currentCert['tbsCertificate']):
+ return $this->getDNProp($propName, $this->currentCert['tbsCertificate']['subject'], $withType);
+ case isset($this->currentCert['certificationRequestInfo']):
+ return $this->getDNProp($propName, $this->currentCert['certificationRequestInfo']['subject'], $withType);
+ }
+
+ return false;
+ }
+
+ /**
+ * Get the certificate chain for the current cert
+ *
+ * @access public
+ * @return Mixed
+ */
+ function getChain()
+ {
+ $chain = array($this->currentCert);
+
+ if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) {
+ return false;
+ }
+ if (empty($this->CAs)) {
+ return $chain;
+ }
+ while (true) {
+ $currentCert = $chain[count($chain) - 1];
+ for ($i = 0; $i < count($this->CAs); $i++) {
+ $ca = $this->CAs[$i];
+ if ($currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']) {
+ $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier', $currentCert);
+ $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca);
+ switch (true) {
+ case !is_array($authorityKey):
+ case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID:
+ if ($currentCert === $ca) {
+ break 3;
+ }
+ $chain[] = $ca;
+ break 2;
+ }
+ }
+ }
+ if ($i == count($this->CAs)) {
+ break;
+ }
+ }
+ foreach ($chain as $key=>$value) {
+ $chain[$key] = new File_X509();
+ $chain[$key]->loadX509($value);
+ }
+ return $chain;
+ }
+
+ /**
+ * Set public key
+ *
+ * Key needs to be a Crypt_RSA object
+ *
+ * @param Object $key
+ * @access public
+ * @return Boolean
+ */
+ function setPublicKey($key)
+ {
+ $key->setPublicKey();
+ $this->publicKey = $key;
+ }
+
+ /**
+ * Set private key
+ *
+ * Key needs to be a Crypt_RSA object
+ *
+ * @param Object $key
+ * @access public
+ */
+ function setPrivateKey($key)
+ {
+ $this->privateKey = $key;
+ }
+
+ /**
+ * Set challenge
+ *
+ * Used for SPKAC CSR's
+ *
+ * @param String $challenge
+ * @access public
+ */
+ function setChallenge($challenge)
+ {
+ $this->challenge = $challenge;
+ }
+
+ /**
+ * Gets the public key
+ *
+ * Returns a Crypt_RSA object or a false.
+ *
+ * @access public
+ * @return Mixed
+ */
+ function getPublicKey()
+ {
+ if (isset($this->publicKey)) {
+ return $this->publicKey;
+ }
+
+ if (isset($this->currentCert) && is_array($this->currentCert)) {
+ foreach (array('tbsCertificate/subjectPublicKeyInfo', 'certificationRequestInfo/subjectPKInfo') as $path) {
+ $keyinfo = $this->_subArray($this->currentCert, $path);
+ if (!empty($keyinfo)) {
+ break;
+ }
+ }
+ }
+ if (empty($keyinfo)) {
+ return false;
+ }
+
+ $key = $keyinfo['subjectPublicKey'];
+
+ switch ($keyinfo['algorithm']['algorithm']) {
+ case 'rsaEncryption':
+ if (!class_exists('Crypt_RSA')) {
+ include_once 'Crypt/RSA.php';
+ }
+ $publicKey = new Crypt_RSA();
+ $publicKey->loadKey($key);
+ $publicKey->setPublicKey();
+ break;
+ default:
+ return false;
+ }
+
+ return $publicKey;
+ }
+
+ /**
+ * Load a Certificate Signing Request
+ *
+ * @param String $csr
+ * @access public
+ * @return Mixed
+ */
+ function loadCSR($csr)
+ {
+ if (is_array($csr) && isset($csr['certificationRequestInfo'])) {
+ unset($this->currentCert);
+ unset($this->currentKeyIdentifier);
+ unset($this->signatureSubject);
+ $this->dn = $csr['certificationRequestInfo']['subject'];
+ if (!isset($this->dn)) {
+ return false;
+ }
+
+ $this->currentCert = $csr;
+ return $csr;
+ }
+
+ // see http://tools.ietf.org/html/rfc2986
+
+ $asn1 = new File_ASN1();
+
+ $csr = $this->_extractBER($csr);
+ $orig = $csr;
+
+ if ($csr === false) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $asn1->loadOIDs($this->oids);
+ $decoded = $asn1->decodeBER($csr);
+
+ if (empty($decoded)) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $csr = $asn1->asn1map($decoded[0], $this->CertificationRequest);
+ if (!isset($csr) || $csr === false) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $this->dn = $csr['certificationRequestInfo']['subject'];
+ $this->_mapInAttributes($csr, 'certificationRequestInfo/attributes', $asn1);
+
+ $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']);
+
+ $algorithm = &$csr['certificationRequestInfo']['subjectPKInfo']['algorithm']['algorithm'];
+ $key = &$csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'];
+ $key = $this->_reformatKey($algorithm, $key);
+
+ switch ($algorithm) {
+ case 'rsaEncryption':
+ if (!class_exists('Crypt_RSA')) {
+ include_once 'Crypt/RSA.php';
+ }
+ $this->publicKey = new Crypt_RSA();
+ $this->publicKey->loadKey($key);
+ $this->publicKey->setPublicKey();
+ break;
+ default:
+ $this->publicKey = null;
+ }
+
+ $this->currentKeyIdentifier = null;
+ $this->currentCert = $csr;
+
+ return $csr;
+ }
+
+ /**
+ * Save CSR request
+ *
+ * @param Array $csr
+ * @param Integer $format optional
+ * @access public
+ * @return String
+ */
+ function saveCSR($csr, $format = FILE_X509_FORMAT_PEM)
+ {
+ if (!is_array($csr) || !isset($csr['certificationRequestInfo'])) {
+ return false;
+ }
+
+ switch (true) {
+ case !($algorithm = $this->_subArray($csr, 'certificationRequestInfo/subjectPKInfo/algorithm/algorithm')):
+ case is_object($csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']);
+ break;
+ default:
+ switch ($algorithm) {
+ case 'rsaEncryption':
+ $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']
+ = base64_encode("\0" . base64_decode(preg_replace('#-.+-|[\r\n]#', '', $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'])));
+ }
+ }
+
+ $asn1 = new File_ASN1();
+
+ $asn1->loadOIDs($this->oids);
+
+ $filters = array();
+ $filters['certificationRequestInfo']['subject']['rdnSequence']['value']
+ = array('type' => FILE_ASN1_TYPE_UTF8_STRING);
+
+ $asn1->loadFilters($filters);
+
+ $this->_mapOutAttributes($csr, 'certificationRequestInfo/attributes', $asn1);
+ $csr = $asn1->encodeDER($csr, $this->CertificationRequest);
+
+ switch ($format) {
+ case FILE_X509_FORMAT_DER:
+ return $csr;
+ // case FILE_X509_FORMAT_PEM:
+ default:
+ return "-----BEGIN CERTIFICATE REQUEST-----\r\n" . chunk_split(base64_encode($csr), 64) . '-----END CERTIFICATE REQUEST-----';
+ }
+ }
+
+ /**
+ * Load a SPKAC CSR
+ *
+ * SPKAC's are produced by the HTML5 keygen element:
+ *
+ * https://developer.mozilla.org/en-US/docs/HTML/Element/keygen
+ *
+ * @param String $csr
+ * @access public
+ * @return Mixed
+ */
+ function loadSPKAC($spkac)
+ {
+ if (is_array($spkac) && isset($spkac['publicKeyAndChallenge'])) {
+ unset($this->currentCert);
+ unset($this->currentKeyIdentifier);
+ unset($this->signatureSubject);
+ $this->currentCert = $spkac;
+ return $spkac;
+ }
+
+ // see http://www.w3.org/html/wg/drafts/html/master/forms.html#signedpublickeyandchallenge
+
+ $asn1 = new File_ASN1();
+
+ // OpenSSL produces SPKAC's that are preceeded by the string SPKAC=
+ $temp = preg_replace('#(?:SPKAC=)|[ \r\n\\\]#', '', $spkac);
+ $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? base64_decode($temp) : false;
+ if ($temp != false) {
+ $spkac = $temp;
+ }
+ $orig = $spkac;
+
+ if ($spkac === false) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $asn1->loadOIDs($this->oids);
+ $decoded = $asn1->decodeBER($spkac);
+
+ if (empty($decoded)) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $spkac = $asn1->asn1map($decoded[0], $this->SignedPublicKeyAndChallenge);
+
+ if (!isset($spkac) || $spkac === false) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']);
+
+ $algorithm = &$spkac['publicKeyAndChallenge']['spki']['algorithm']['algorithm'];
+ $key = &$spkac['publicKeyAndChallenge']['spki']['subjectPublicKey'];
+ $key = $this->_reformatKey($algorithm, $key);
+
+ switch ($algorithm) {
+ case 'rsaEncryption':
+ if (!class_exists('Crypt_RSA')) {
+ include_once 'Crypt/RSA.php';
+ }
+ $this->publicKey = new Crypt_RSA();
+ $this->publicKey->loadKey($key);
+ $this->publicKey->setPublicKey();
+ break;
+ default:
+ $this->publicKey = null;
+ }
+
+ $this->currentKeyIdentifier = null;
+ $this->currentCert = $spkac;
+
+ return $spkac;
+ }
+
+ /**
+ * Save a SPKAC CSR request
+ *
+ * @param Array $csr
+ * @param Integer $format optional
+ * @access public
+ * @return String
+ */
+ function saveSPKAC($spkac, $format = FILE_X509_FORMAT_PEM)
+ {
+ if (!is_array($spkac) || !isset($spkac['publicKeyAndChallenge'])) {
+ return false;
+ }
+
+ $algorithm = $this->_subArray($spkac, 'publicKeyAndChallenge/spki/algorithm/algorithm');
+ switch (true) {
+ case !$algorithm:
+ case is_object($spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']);
+ break;
+ default:
+ switch ($algorithm) {
+ case 'rsaEncryption':
+ $spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']
+ = base64_encode("\0" . base64_decode(preg_replace('#-.+-|[\r\n]#', '', $spkac['publicKeyAndChallenge']['spki']['subjectPublicKey'])));
+ }
+ }
+
+ $asn1 = new File_ASN1();
+
+ $asn1->loadOIDs($this->oids);
+ $spkac = $asn1->encodeDER($spkac, $this->SignedPublicKeyAndChallenge);
+
+ switch ($format) {
+ case FILE_X509_FORMAT_DER:
+ return $spkac;
+ // case FILE_X509_FORMAT_PEM:
+ default:
+ // OpenSSL's implementation of SPKAC requires the SPKAC be preceeded by SPKAC= and since there are pretty much
+ // no other SPKAC decoders phpseclib will use that same format
+ return 'SPKAC=' . base64_encode($spkac);
+ }
+ }
+
+ /**
+ * Load a Certificate Revocation List
+ *
+ * @param String $crl
+ * @access public
+ * @return Mixed
+ */
+ function loadCRL($crl)
+ {
+ if (is_array($crl) && isset($crl['tbsCertList'])) {
+ $this->currentCert = $crl;
+ unset($this->signatureSubject);
+ return $crl;
+ }
+
+ $asn1 = new File_ASN1();
+
+ $crl = $this->_extractBER($crl);
+ $orig = $crl;
+
+ if ($crl === false) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $asn1->loadOIDs($this->oids);
+ $decoded = $asn1->decodeBER($crl);
+
+ if (empty($decoded)) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $crl = $asn1->asn1map($decoded[0], $this->CertificateList);
+ if (!isset($crl) || $crl === false) {
+ $this->currentCert = false;
+ return false;
+ }
+
+ $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']);
+
+ $this->_mapInExtensions($crl, 'tbsCertList/crlExtensions', $asn1);
+ $rclist = &$this->_subArray($crl, 'tbsCertList/revokedCertificates');
+ if (is_array($rclist)) {
+ foreach ($rclist as $i => $extension) {
+ $this->_mapInExtensions($rclist, "$i/crlEntryExtensions", $asn1);
+ }
+ }
+
+ $this->currentKeyIdentifier = null;
+ $this->currentCert = $crl;
+
+ return $crl;
+ }
+
+ /**
+ * Save Certificate Revocation List.
+ *
+ * @param Array $crl
+ * @param Integer $format optional
+ * @access public
+ * @return String
+ */
+ function saveCRL($crl, $format = FILE_X509_FORMAT_PEM)
+ {
+ if (!is_array($crl) || !isset($crl['tbsCertList'])) {
+ return false;
+ }
+
+ $asn1 = new File_ASN1();
+
+ $asn1->loadOIDs($this->oids);
+
+ $filters = array();
+ $filters['tbsCertList']['issuer']['rdnSequence']['value']
+ = array('type' => FILE_ASN1_TYPE_UTF8_STRING);
+ $filters['tbsCertList']['signature']['parameters']
+ = array('type' => FILE_ASN1_TYPE_UTF8_STRING);
+ $filters['signatureAlgorithm']['parameters']
+ = array('type' => FILE_ASN1_TYPE_UTF8_STRING);
+
+ if (empty($crl['tbsCertList']['signature']['parameters'])) {
+ $filters['tbsCertList']['signature']['parameters']
+ = array('type' => FILE_ASN1_TYPE_NULL);
+ }
+
+ if (empty($crl['signatureAlgorithm']['parameters'])) {
+ $filters['signatureAlgorithm']['parameters']
+ = array('type' => FILE_ASN1_TYPE_NULL);
+ }
+
+ $asn1->loadFilters($filters);
+
+ $this->_mapOutExtensions($crl, 'tbsCertList/crlExtensions', $asn1);
+ $rclist = &$this->_subArray($crl, 'tbsCertList/revokedCertificates');
+ if (is_array($rclist)) {
+ foreach ($rclist as $i => $extension) {
+ $this->_mapOutExtensions($rclist, "$i/crlEntryExtensions", $asn1);
+ }
+ }
+
+ $crl = $asn1->encodeDER($crl, $this->CertificateList);
+
+ switch ($format) {
+ case FILE_X509_FORMAT_DER:
+ return $crl;
+ // case FILE_X509_FORMAT_PEM:
+ default:
+ return "-----BEGIN X509 CRL-----\r\n" . chunk_split(base64_encode($crl), 64) . '-----END X509 CRL-----';
+ }
+ }
+
+ /**
+ * Helper function to build a time field according to RFC 3280 section
+ * - 4.1.2.5 Validity
+ * - 5.1.2.4 This Update
+ * - 5.1.2.5 Next Update
+ * - 5.1.2.6 Revoked Certificates
+ * by choosing utcTime iff year of date given is before 2050 and generalTime else.
+ *
+ * @param String $date in format date('D, d M Y H:i:s O')
+ * @access private
+ * @return Array
+ */
+ function _timeField($date)
+ {
+ $year = @gmdate("Y", @strtotime($date)); // the same way ASN1.php parses this
+ if ($year < 2050) {
+ return array('utcTime' => $date);
+ } else {
+ return array('generalTime' => $date);
+ }
+ }
+
+ /**
+ * Sign an X.509 certificate
+ *
+ * $issuer's private key needs to be loaded.
+ * $subject can be either an existing X.509 cert (if you want to resign it),
+ * a CSR or something with the DN and public key explicitly set.
+ *
+ * @param File_X509 $issuer
+ * @param File_X509 $subject
+ * @param String $signatureAlgorithm optional
+ * @access public
+ * @return Mixed
+ */
+ function sign($issuer, $subject, $signatureAlgorithm = 'sha1WithRSAEncryption')
+ {
+ if (!is_object($issuer->privateKey) || empty($issuer->dn)) {
+ return false;
+ }
+
+ if (isset($subject->publicKey) && !($subjectPublicKey = $subject->_formatSubjectPublicKey())) {
+ return false;
+ }
+
+ $currentCert = isset($this->currentCert) ? $this->currentCert : null;
+ $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject: null;
+
+ if (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertificate'])) {
+ $this->currentCert = $subject->currentCert;
+ $this->currentCert['tbsCertificate']['signature']['algorithm'] = $signatureAlgorithm;
+ $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm;
+
+ if (!empty($this->startDate)) {
+ $this->currentCert['tbsCertificate']['validity']['notBefore'] = $this->_timeField($this->startDate);
+ }
+ if (!empty($this->endDate)) {
+ $this->currentCert['tbsCertificate']['validity']['notAfter'] = $this->_timeField($this->endDate);
+ }
+ if (!empty($this->serialNumber)) {
+ $this->currentCert['tbsCertificate']['serialNumber'] = $this->serialNumber;
+ }
+ if (!empty($subject->dn)) {
+ $this->currentCert['tbsCertificate']['subject'] = $subject->dn;
+ }
+ if (!empty($subject->publicKey)) {
+ $this->currentCert['tbsCertificate']['subjectPublicKeyInfo'] = $subjectPublicKey;
+ }
+ $this->removeExtension('id-ce-authorityKeyIdentifier');
+ if (isset($subject->domains)) {
+ $this->removeExtension('id-ce-subjectAltName');
+ }
+ } else if (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertList'])) {
+ return false;
+ } else {
+ if (!isset($subject->publicKey)) {
+ return false;
+ }
+
+ $startDate = !empty($this->startDate) ? $this->startDate : @date('D, d M Y H:i:s O');
+ $endDate = !empty($this->endDate) ? $this->endDate : @date('D, d M Y H:i:s O', strtotime('+1 year'));
+ $serialNumber = !empty($this->serialNumber) ? $this->serialNumber : new Math_BigInteger();
+
+ $this->currentCert = array(
+ 'tbsCertificate' =>
+ array(
+ 'version' => 'v3',
+ 'serialNumber' => $serialNumber, // $this->setserialNumber()
+ 'signature' => array('algorithm' => $signatureAlgorithm),
+ 'issuer' => false, // this is going to be overwritten later
+ 'validity' => array(
+ 'notBefore' => $this->_timeField($startDate), // $this->setStartDate()
+ 'notAfter' => $this->_timeField($endDate) // $this->setEndDate()
+ ),
+ 'subject' => $subject->dn,
+ 'subjectPublicKeyInfo' => $subjectPublicKey
+ ),
+ 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm),
+ 'signature' => false // this is going to be overwritten later
+ );
+
+ // Copy extensions from CSR.
+ $csrexts = $subject->getAttribute('pkcs-9-at-extensionRequest', 0);
+
+ if (!empty($csrexts)) {
+ $this->currentCert['tbsCertificate']['extensions'] = $csrexts;
+ }
+ }
+
+ $this->currentCert['tbsCertificate']['issuer'] = $issuer->dn;
+
+ if (isset($issuer->currentKeyIdentifier)) {
+ $this->setExtension('id-ce-authorityKeyIdentifier', array(
+ //'authorityCertIssuer' => array(
+ // array(
+ // 'directoryName' => $issuer->dn
+ // )
+ //),
+ 'keyIdentifier' => $issuer->currentKeyIdentifier
+ )
+ );
+ //$extensions = &$this->currentCert['tbsCertificate']['extensions'];
+ //if (isset($issuer->serialNumber)) {
+ // $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber;
+ //}
+ //unset($extensions);
+ }
+
+ if (isset($subject->currentKeyIdentifier)) {
+ $this->setExtension('id-ce-subjectKeyIdentifier', $subject->currentKeyIdentifier);
+ }
+
+ $altName = array();
+
+ if (isset($subject->domains) && count($subject->domains) > 1) {
+ $altName = array_map(array('File_X509', '_dnsName'), $subject->domains);
+ }
+
+ if (isset($subject->ipAddresses) && count($subject->ipAddresses)) {
+ // should an IP address appear as the CN if no domain name is specified? idk
+ //$ips = count($subject->domains) ? $subject->ipAddresses : array_slice($subject->ipAddresses, 1);
+ $ipAddresses = array();
+ foreach ($subject->ipAddresses as $ipAddress) {
+ $encoded = $subject->_ipAddress($ipAddress);
+ if ($encoded !== false) {
+ $ipAddresses[] = $encoded;
+ }
+ }
+ if (count($ipAddresses)) {
+ $altName = array_merge($altName, $ipAddresses);
+ }
+ }
+
+ if (!empty($altName)) {
+ $this->setExtension('id-ce-subjectAltName', $altName);
+ }
+
+ if ($this->caFlag) {
+ $keyUsage = $this->getExtension('id-ce-keyUsage');
+ if (!$keyUsage) {
+ $keyUsage = array();
+ }
+
+ $this->setExtension('id-ce-keyUsage',
+ array_values(array_unique(array_merge($keyUsage, array('cRLSign', 'keyCertSign'))))
+ );
+
+ $basicConstraints = $this->getExtension('id-ce-basicConstraints');
+ if (!$basicConstraints) {
+ $basicConstraints = array();
+ }
+
+ $this->setExtension('id-ce-basicConstraints',
+ array_unique(array_merge(array('cA' => true), $basicConstraints)), true);
+
+ if (!isset($subject->currentKeyIdentifier)) {
+ $this->setExtension('id-ce-subjectKeyIdentifier', base64_encode($this->computeKeyIdentifier($this->currentCert)), false, false);
+ }
+ }
+
+ // resync $this->signatureSubject
+ // save $tbsCertificate in case there are any File_ASN1_Element objects in it
+ $tbsCertificate = $this->currentCert['tbsCertificate'];
+ $this->loadX509($this->saveX509($this->currentCert));
+
+ $result = $this->_sign($issuer->privateKey, $signatureAlgorithm);
+ $result['tbsCertificate'] = $tbsCertificate;
+
+ $this->currentCert = $currentCert;
+ $this->signatureSubject = $signatureSubject;
+
+ return $result;
+ }
+
+ /**
+ * Sign a CSR
+ *
+ * @access public
+ * @return Mixed
+ */
+ function signCSR($signatureAlgorithm = 'sha1WithRSAEncryption')
+ {
+ if (!is_object($this->privateKey) || empty($this->dn)) {
+ return false;
+ }
+
+ $origPublicKey = $this->publicKey;
+ $class = get_class($this->privateKey);
+ $this->publicKey = new $class();
+ $this->publicKey->loadKey($this->privateKey->getPublicKey());
+ $this->publicKey->setPublicKey();
+ if (!($publicKey = $this->_formatSubjectPublicKey())) {
+ return false;
+ }
+ $this->publicKey = $origPublicKey;
+
+ $currentCert = isset($this->currentCert) ? $this->currentCert : null;
+ $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject: null;
+
+ if (isset($this->currentCert) && is_array($this->currentCert) && isset($this->currentCert['certificationRequestInfo'])) {
+ $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm;
+ if (!empty($this->dn)) {
+ $this->currentCert['certificationRequestInfo']['subject'] = $this->dn;
+ }
+ $this->currentCert['certificationRequestInfo']['subjectPKInfo'] = $publicKey;
+ } else {
+ $this->currentCert = array(
+ 'certificationRequestInfo' =>
+ array(
+ 'version' => 'v1',
+ 'subject' => $this->dn,
+ 'subjectPKInfo' => $publicKey
+ ),
+ 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm),
+ 'signature' => false // this is going to be overwritten later
+ );
+ }
+
+ // resync $this->signatureSubject
+ // save $certificationRequestInfo in case there are any File_ASN1_Element objects in it
+ $certificationRequestInfo = $this->currentCert['certificationRequestInfo'];
+ $this->loadCSR($this->saveCSR($this->currentCert));
+
+ $result = $this->_sign($this->privateKey, $signatureAlgorithm);
+ $result['certificationRequestInfo'] = $certificationRequestInfo;
+
+ $this->currentCert = $currentCert;
+ $this->signatureSubject = $signatureSubject;
+
+ return $result;
+ }
+
+ /**
+ * Sign a SPKAC
+ *
+ * @access public
+ * @return Mixed
+ */
+ function signSPKAC($signatureAlgorithm = 'sha1WithRSAEncryption')
+ {
+ if (!is_object($this->privateKey)) {
+ return false;
+ }
+
+ $origPublicKey = $this->publicKey;
+ $class = get_class($this->privateKey);
+ $this->publicKey = new $class();
+ $this->publicKey->loadKey($this->privateKey->getPublicKey());
+ $this->publicKey->setPublicKey();
+ $publicKey = $this->_formatSubjectPublicKey();
+ if (!$publicKey) {
+ return false;
+ }
+ $this->publicKey = $origPublicKey;
+
+ $currentCert = isset($this->currentCert) ? $this->currentCert : null;
+ $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject: null;
+
+ // re-signing a SPKAC seems silly but since everything else supports re-signing why not?
+ if (isset($this->currentCert) && is_array($this->currentCert) && isset($this->currentCert['publicKeyAndChallenge'])) {
+ $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm;
+ $this->currentCert['publicKeyAndChallenge']['spki'] = $publicKey;
+ if (!empty($this->challenge)) {
+ // the bitwise AND ensures that the output is a valid IA5String
+ $this->currentCert['publicKeyAndChallenge']['challenge'] = $this->challenge & str_repeat("\x7F", strlen($this->challenge));
+ }
+ } else {
+ $this->currentCert = array(
+ 'publicKeyAndChallenge' =>
+ array(
+ 'spki' => $publicKey,
+ // quoting <https://developer.mozilla.org/en-US/docs/Web/HTML/Element/keygen>,
+ // "A challenge string that is submitted along with the public key. Defaults to an empty string if not specified."
+ // both Firefox and OpenSSL ("openssl spkac -key private.key") behave this way
+ // we could alternatively do this instead if we ignored the specs:
+ // crypt_random_string(8) & str_repeat("\x7F", 8)
+ 'challenge' => !empty($this->challenge) ? $this->challenge : ''
+ ),
+ 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm),
+ 'signature' => false // this is going to be overwritten later
+ );
+ }
+
+ // resync $this->signatureSubject
+ // save $publicKeyAndChallenge in case there are any File_ASN1_Element objects in it
+ $publicKeyAndChallenge = $this->currentCert['publicKeyAndChallenge'];
+ $this->loadSPKAC($this->saveSPKAC($this->currentCert));
+
+ $result = $this->_sign($this->privateKey, $signatureAlgorithm);
+ $result['publicKeyAndChallenge'] = $publicKeyAndChallenge;
+
+ $this->currentCert = $currentCert;
+ $this->signatureSubject = $signatureSubject;
+
+ return $result;
+ }
+
+ /**
+ * Sign a CRL
+ *
+ * $issuer's private key needs to be loaded.
+ *
+ * @param File_X509 $issuer
+ * @param File_X509 $crl
+ * @param String $signatureAlgorithm optional
+ * @access public
+ * @return Mixed
+ */
+ function signCRL($issuer, $crl, $signatureAlgorithm = 'sha1WithRSAEncryption')
+ {
+ if (!is_object($issuer->privateKey) || empty($issuer->dn)) {
+ return false;
+ }
+
+ $currentCert = isset($this->currentCert) ? $this->currentCert : null;
+ $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject : null;
+ $thisUpdate = !empty($this->startDate) ? $this->startDate : @date('D, d M Y H:i:s O');
+
+ if (isset($crl->currentCert) && is_array($crl->currentCert) && isset($crl->currentCert['tbsCertList'])) {
+ $this->currentCert = $crl->currentCert;
+ $this->currentCert['tbsCertList']['signature']['algorithm'] = $signatureAlgorithm;
+ $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm;
+ } else {
+ $this->currentCert = array(
+ 'tbsCertList' =>
+ array(
+ 'version' => 'v2',
+ 'signature' => array('algorithm' => $signatureAlgorithm),
+ 'issuer' => false, // this is going to be overwritten later
+ 'thisUpdate' => $this->_timeField($thisUpdate) // $this->setStartDate()
+ ),
+ 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm),
+ 'signature' => false // this is going to be overwritten later
+ );
+ }
+
+ $tbsCertList = &$this->currentCert['tbsCertList'];
+ $tbsCertList['issuer'] = $issuer->dn;
+ $tbsCertList['thisUpdate'] = $this->_timeField($thisUpdate);
+
+ if (!empty($this->endDate)) {
+ $tbsCertList['nextUpdate'] = $this->_timeField($this->endDate); // $this->setEndDate()
+ } else {
+ unset($tbsCertList['nextUpdate']);
+ }
+
+ if (!empty($this->serialNumber)) {
+ $crlNumber = $this->serialNumber;
+ } else {
+ $crlNumber = $this->getExtension('id-ce-cRLNumber');
+ $crlNumber = $crlNumber !== false ? $crlNumber->add(new Math_BigInteger(1)) : null;
+ }
+
+ $this->removeExtension('id-ce-authorityKeyIdentifier');
+ $this->removeExtension('id-ce-issuerAltName');
+
+ // Be sure version >= v2 if some extension found.
+ $version = isset($tbsCertList['version']) ? $tbsCertList['version'] : 0;
+ if (!$version) {
+ if (!empty($tbsCertList['crlExtensions'])) {
+ $version = 1; // v2.
+ } elseif (!empty($tbsCertList['revokedCertificates'])) {
+ foreach ($tbsCertList['revokedCertificates'] as $cert) {
+ if (!empty($cert['crlEntryExtensions'])) {
+ $version = 1; // v2.
+ }
+ }
+ }
+
+ if ($version) {
+ $tbsCertList['version'] = $version;
+ }
+ }
+
+ // Store additional extensions.
+ if (!empty($tbsCertList['version'])) { // At least v2.
+ if (!empty($crlNumber)) {
+ $this->setExtension('id-ce-cRLNumber', $crlNumber);
+ }
+
+ if (isset($issuer->currentKeyIdentifier)) {
+ $this->setExtension('id-ce-authorityKeyIdentifier', array(
+ //'authorityCertIssuer' => array(
+ // array(
+ // 'directoryName' => $issuer->dn
+ // )
+ //),
+ 'keyIdentifier' => $issuer->currentKeyIdentifier
+ )
+ );
+ //$extensions = &$tbsCertList['crlExtensions'];
+ //if (isset($issuer->serialNumber)) {
+ // $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber;
+ //}
+ //unset($extensions);
+ }
+
+ $issuerAltName = $this->getExtension('id-ce-subjectAltName', $issuer->currentCert);
+
+ if ($issuerAltName !== false) {
+ $this->setExtension('id-ce-issuerAltName', $issuerAltName);
+ }
+ }
+
+ if (empty($tbsCertList['revokedCertificates'])) {
+ unset($tbsCertList['revokedCertificates']);
+ }
+
+ unset($tbsCertList);
+
+ // resync $this->signatureSubject
+ // save $tbsCertList in case there are any File_ASN1_Element objects in it
+ $tbsCertList = $this->currentCert['tbsCertList'];
+ $this->loadCRL($this->saveCRL($this->currentCert));
+
+ $result = $this->_sign($issuer->privateKey, $signatureAlgorithm);
+ $result['tbsCertList'] = $tbsCertList;
+
+ $this->currentCert = $currentCert;
+ $this->signatureSubject = $signatureSubject;
+
+ return $result;
+ }
+
+ /**
+ * X.509 certificate signing helper function.
+ *
+ * @param Object $key
+ * @param File_X509 $subject
+ * @param String $signatureAlgorithm
+ * @access public
+ * @return Mixed
+ */
+ function _sign($key, $signatureAlgorithm)
+ {
+ switch (strtolower(get_class($key))) {
+ case 'crypt_rsa':
+ switch ($signatureAlgorithm) {
+ case 'md2WithRSAEncryption':
+ case 'md5WithRSAEncryption':
+ case 'sha1WithRSAEncryption':
+ case 'sha224WithRSAEncryption':
+ case 'sha256WithRSAEncryption':
+ case 'sha384WithRSAEncryption':
+ case 'sha512WithRSAEncryption':
+ $key->setHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm));
+ $key->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1);
+
+ $this->currentCert['signature'] = base64_encode("\0" . $key->sign($this->signatureSubject));
+ return $this->currentCert;
+ }
+ default:
+ return false;
+ }
+ }
+
+ /**
+ * Set certificate start date
+ *
+ * @param String $date
+ * @access public
+ */
+ function setStartDate($date)
+ {
+ $this->startDate = @date('D, d M Y H:i:s O', @strtotime($date));
+ }
+
+ /**
+ * Set certificate end date
+ *
+ * @param String $date
+ * @access public
+ */
+ function setEndDate($date)
+ {
+ /*
+ To indicate that a certificate has no well-defined expiration date,
+ the notAfter SHOULD be assigned the GeneralizedTime value of
+ 99991231235959Z.
+
+ -- http://tools.ietf.org/html/rfc5280#section-4.1.2.5
+ */
+ if (strtolower($date) == 'lifetime') {
+ $temp = '99991231235959Z';
+ $asn1 = new File_ASN1();
+ $temp = chr(FILE_ASN1_TYPE_GENERALIZED_TIME) . $asn1->_encodeLength(strlen($temp)) . $temp;
+ $this->endDate = new File_ASN1_Element($temp);
+ } else {
+ $this->endDate = @date('D, d M Y H:i:s O', @strtotime($date));
+ }
+ }
+
+ /**
+ * Set Serial Number
+ *
+ * @param String $serial
+ * @param $base optional
+ * @access public
+ */
+ function setSerialNumber($serial, $base = -256)
+ {
+ $this->serialNumber = new Math_BigInteger($serial, $base);
+ }
+
+ /**
+ * Turns the certificate into a certificate authority
+ *
+ * @access public
+ */
+ function makeCA()
+ {
+ $this->caFlag = true;
+ }
+
+ /**
+ * Get a reference to a subarray
+ *
+ * @param array $root
+ * @param String $path absolute path with / as component separator
+ * @param Boolean $create optional
+ * @access private
+ * @return array item ref or false
+ */
+ function &_subArray(&$root, $path, $create = false)
+ {
+ $false = false;
+
+ if (!is_array($root)) {
+ return $false;
+ }
+
+ foreach (explode('/', $path) as $i) {
+ if (!is_array($root)) {
+ return $false;
+ }
+
+ if (!isset($root[$i])) {
+ if (!$create) {
+ return $false;
+ }
+
+ $root[$i] = array();
+ }
+
+ $root = &$root[$i];
+ }
+
+ return $root;
+ }
+
+ /**
+ * Get a reference to an extension subarray
+ *
+ * @param array $root
+ * @param String $path optional absolute path with / as component separator
+ * @param Boolean $create optional
+ * @access private
+ * @return array ref or false
+ */
+ function &_extensions(&$root, $path = null, $create = false)
+ {
+ if (!isset($root)) {
+ $root = $this->currentCert;
+ }
+
+ switch (true) {
+ case !empty($path):
+ case !is_array($root):
+ break;
+ case isset($root['tbsCertificate']):
+ $path = 'tbsCertificate/extensions';
+ break;
+ case isset($root['tbsCertList']):
+ $path = 'tbsCertList/crlExtensions';
+ break;
+ case isset($root['certificationRequestInfo']):
+ $pth = 'certificationRequestInfo/attributes';
+ $attributes = &$this->_subArray($root, $pth, $create);
+
+ if (is_array($attributes)) {
+ foreach ($attributes as $key => $value) {
+ if ($value['type'] == 'pkcs-9-at-extensionRequest') {
+ $path = "$pth/$key/value/0";
+ break 2;
+ }
+ }
+ if ($create) {
+ $key = count($attributes);
+ $attributes[] = array('type' => 'pkcs-9-at-extensionRequest', 'value' => array());
+ $path = "$pth/$key/value/0";
+ }
+ }
+ break;
+ }
+
+ $extensions = &$this->_subArray($root, $path, $create);
+
+ if (!is_array($extensions)) {
+ $false = false;
+ return $false;
+ }
+
+ return $extensions;
+ }
+
+ /**
+ * Remove an Extension
+ *
+ * @param String $id
+ * @param String $path optional
+ * @access private
+ * @return Boolean
+ */
+ function _removeExtension($id, $path = null)
+ {
+ $extensions = &$this->_extensions($this->currentCert, $path);
+
+ if (!is_array($extensions)) {
+ return false;
+ }
+
+ $result = false;
+ foreach ($extensions as $key => $value) {
+ if ($value['extnId'] == $id) {
+ unset($extensions[$key]);
+ $result = true;
+ }
+ }
+
+ $extensions = array_values($extensions);
+ return $result;
+ }
+
+ /**
+ * Get an Extension
+ *
+ * Returns the extension if it exists and false if not
+ *
+ * @param String $id
+ * @param Array $cert optional
+ * @param String $path optional
+ * @access private
+ * @return Mixed
+ */
+ function _getExtension($id, $cert = null, $path = null)
+ {
+ $extensions = $this->_extensions($cert, $path);
+
+ if (!is_array($extensions)) {
+ return false;
+ }
+
+ foreach ($extensions as $key => $value) {
+ if ($value['extnId'] == $id) {
+ return $value['extnValue'];
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Returns a list of all extensions in use
+ *
+ * @param array $cert optional
+ * @param String $path optional
+ * @access private
+ * @return Array
+ */
+ function _getExtensions($cert = null, $path = null)
+ {
+ $exts = $this->_extensions($cert, $path);
+ $extensions = array();
+
+ if (is_array($exts)) {
+ foreach ($exts as $extension) {
+ $extensions[] = $extension['extnId'];
+ }
+ }
+
+ return $extensions;
+ }
+
+ /**
+ * Set an Extension
+ *
+ * @param String $id
+ * @param Mixed $value
+ * @param Boolean $critical optional
+ * @param Boolean $replace optional
+ * @param String $path optional
+ * @access private
+ * @return Boolean
+ */
+ function _setExtension($id, $value, $critical = false, $replace = true, $path = null)
+ {
+ $extensions = &$this->_extensions($this->currentCert, $path, true);
+
+ if (!is_array($extensions)) {
+ return false;
+ }
+
+ $newext = array('extnId' => $id, 'critical' => $critical, 'extnValue' => $value);
+
+ foreach ($extensions as $key => $value) {
+ if ($value['extnId'] == $id) {
+ if (!$replace) {
+ return false;
+ }
+
+ $extensions[$key] = $newext;
+ return true;
+ }
+ }
+
+ $extensions[] = $newext;
+ return true;
+ }
+
+ /**
+ * Remove a certificate, CSR or CRL Extension
+ *
+ * @param String $id
+ * @access public
+ * @return Boolean
+ */
+ function removeExtension($id)
+ {
+ return $this->_removeExtension($id);
+ }
+
+ /**
+ * Get a certificate, CSR or CRL Extension
+ *
+ * Returns the extension if it exists and false if not
+ *
+ * @param String $id
+ * @param Array $cert optional
+ * @access public
+ * @return Mixed
+ */
+ function getExtension($id, $cert = null)
+ {
+ return $this->_getExtension($id, $cert);
+ }
+
+ /**
+ * Returns a list of all extensions in use in certificate, CSR or CRL
+ *
+ * @param array $cert optional
+ * @access public
+ * @return Array
+ */
+ function getExtensions($cert = null)
+ {
+ return $this->_getExtensions($cert);
+ }
+
+ /**
+ * Set a certificate, CSR or CRL Extension
+ *
+ * @param String $id
+ * @param Mixed $value
+ * @param Boolean $critical optional
+ * @param Boolean $replace optional
+ * @access public
+ * @return Boolean
+ */
+ function setExtension($id, $value, $critical = false, $replace = true)
+ {
+ return $this->_setExtension($id, $value, $critical, $replace);
+ }
+
+ /**
+ * Remove a CSR attribute.
+ *
+ * @param String $id
+ * @param Integer $disposition optional
+ * @access public
+ * @return Boolean
+ */
+ function removeAttribute($id, $disposition = FILE_X509_ATTR_ALL)
+ {
+ $attributes = &$this->_subArray($this->currentCert, 'certificationRequestInfo/attributes');
+
+ if (!is_array($attributes)) {
+ return false;
+ }
+
+ $result = false;
+ foreach ($attributes as $key => $attribute) {
+ if ($attribute['type'] == $id) {
+ $n = count($attribute['value']);
+ switch (true) {
+ case $disposition == FILE_X509_ATTR_APPEND:
+ case $disposition == FILE_X509_ATTR_REPLACE:
+ return false;
+ case $disposition >= $n:
+ $disposition -= $n;
+ break;
+ case $disposition == FILE_X509_ATTR_ALL:
+ case $n == 1:
+ unset($attributes[$key]);
+ $result = true;
+ break;
+ default:
+ unset($attributes[$key]['value'][$disposition]);
+ $attributes[$key]['value'] = array_values($attributes[$key]['value']);
+ $result = true;
+ break;
+ }
+ if ($result && $disposition != FILE_X509_ATTR_ALL) {
+ break;
+ }
+ }
+ }
+
+ $attributes = array_values($attributes);
+ return $result;
+ }
+
+ /**
+ * Get a CSR attribute
+ *
+ * Returns the attribute if it exists and false if not
+ *
+ * @param String $id
+ * @param Integer $disposition optional
+ * @param Array $csr optional
+ * @access public
+ * @return Mixed
+ */
+ function getAttribute($id, $disposition = FILE_X509_ATTR_ALL, $csr = null)
+ {
+ if (empty($csr)) {
+ $csr = $this->currentCert;
+ }
+
+ $attributes = $this->_subArray($csr, 'certificationRequestInfo/attributes');
+
+ if (!is_array($attributes)) {
+ return false;
+ }
+
+ foreach ($attributes as $key => $attribute) {
+ if ($attribute['type'] == $id) {
+ $n = count($attribute['value']);
+ switch (true) {
+ case $disposition == FILE_X509_ATTR_APPEND:
+ case $disposition == FILE_X509_ATTR_REPLACE:
+ return false;
+ case $disposition == FILE_X509_ATTR_ALL:
+ return $attribute['value'];
+ case $disposition >= $n:
+ $disposition -= $n;
+ break;
+ default:
+ return $attribute['value'][$disposition];
+ }
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Returns a list of all CSR attributes in use
+ *
+ * @param array $csr optional
+ * @access public
+ * @return Array
+ */
+ function getAttributes($csr = null)
+ {
+ if (empty($csr)) {
+ $csr = $this->currentCert;
+ }
+
+ $attributes = $this->_subArray($csr, 'certificationRequestInfo/attributes');
+ $attrs = array();
+
+ if (is_array($attributes)) {
+ foreach ($attributes as $attribute) {
+ $attrs[] = $attribute['type'];
+ }
+ }
+
+ return $attrs;
+ }
+
+ /**
+ * Set a CSR attribute
+ *
+ * @param String $id
+ * @param Mixed $value
+ * @param Boolean $disposition optional
+ * @access public
+ * @return Boolean
+ */
+ function setAttribute($id, $value, $disposition = FILE_X509_ATTR_ALL)
+ {
+ $attributes = &$this->_subArray($this->currentCert, 'certificationRequestInfo/attributes', true);
+
+ if (!is_array($attributes)) {
+ return false;
+ }
+
+ switch ($disposition) {
+ case FILE_X509_ATTR_REPLACE:
+ $disposition = FILE_X509_ATTR_APPEND;
+ case FILE_X509_ATTR_ALL:
+ $this->removeAttribute($id);
+ break;
+ }
+
+ foreach ($attributes as $key => $attribute) {
+ if ($attribute['type'] == $id) {
+ $n = count($attribute['value']);
+ switch (true) {
+ case $disposition == FILE_X509_ATTR_APPEND:
+ $last = $key;
+ break;
+ case $disposition >= $n;
+ $disposition -= $n;
+ break;
+ default:
+ $attributes[$key]['value'][$disposition] = $value;
+ return true;
+ }
+ }
+ }
+
+ switch (true) {
+ case $disposition >= 0:
+ return false;
+ case isset($last):
+ $attributes[$last]['value'][] = $value;
+ break;
+ default:
+ $attributes[] = array('type' => $id, 'value' => $disposition == FILE_X509_ATTR_ALL ? $value: array($value));
+ break;
+ }
+
+ return true;
+ }
+
+ /**
+ * Sets the subject key identifier
+ *
+ * This is used by the id-ce-authorityKeyIdentifier and the id-ce-subjectKeyIdentifier extensions.
+ *
+ * @param String $value
+ * @access public
+ */
+ function setKeyIdentifier($value)
+ {
+ if (empty($value)) {
+ unset($this->currentKeyIdentifier);
+ } else {
+ $this->currentKeyIdentifier = base64_encode($value);
+ }
+ }
+
+ /**
+ * Compute a public key identifier.
+ *
+ * Although key identifiers may be set to any unique value, this function
+ * computes key identifiers from public key according to the two
+ * recommended methods (4.2.1.2 RFC 3280).
+ * Highly polymorphic: try to accept all possible forms of key:
+ * - Key object
+ * - File_X509 object with public or private key defined
+ * - Certificate or CSR array
+ * - File_ASN1_Element object
+ * - PEM or DER string
+ *
+ * @param Mixed $key optional
+ * @param Integer $method optional
+ * @access public
+ * @return String binary key identifier
+ */
+ function computeKeyIdentifier($key = null, $method = 1)
+ {
+ if (is_null($key)) {
+ $key = $this;
+ }
+
+ switch (true) {
+ case is_string($key):
+ break;
+ case is_array($key) && isset($key['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']):
+ return $this->computeKeyIdentifier($key['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'], $method);
+ case is_array($key) && isset($key['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']):
+ return $this->computeKeyIdentifier($key['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'], $method);
+ case !is_object($key):
+ return false;
+ case strtolower(get_class($key)) == 'file_asn1_element':
+ // Assume the element is a bitstring-packed key.
+ $asn1 = new File_ASN1();
+ $decoded = $asn1->decodeBER($key->element);
+ if (empty($decoded)) {
+ return false;
+ }
+ $raw = $asn1->asn1map($decoded[0], array('type' => FILE_ASN1_TYPE_BIT_STRING));
+ if (empty($raw)) {
+ return false;
+ }
+ $raw = base64_decode($raw);
+ // If the key is private, compute identifier from its corresponding public key.
+ if (!class_exists('Crypt_RSA')) {
+ include_once 'Crypt/RSA.php';
+ }
+ $key = new Crypt_RSA();
+ if (!$key->loadKey($raw)) {
+ return false; // Not an unencrypted RSA key.
+ }
+ if ($key->getPrivateKey() !== false) { // If private.
+ return $this->computeKeyIdentifier($key, $method);
+ }
+ $key = $raw; // Is a public key.
+ break;
+ case strtolower(get_class($key)) == 'file_x509':
+ if (isset($key->publicKey)) {
+ return $this->computeKeyIdentifier($key->publicKey, $method);
+ }
+ if (isset($key->privateKey)) {
+ return $this->computeKeyIdentifier($key->privateKey, $method);
+ }
+ if (isset($key->currentCert['tbsCertificate']) || isset($key->currentCert['certificationRequestInfo'])) {
+ return $this->computeKeyIdentifier($key->currentCert, $method);
+ }
+ return false;
+ default: // Should be a key object (i.e.: Crypt_RSA).
+ $key = $key->getPublicKey(CRYPT_RSA_PUBLIC_FORMAT_PKCS1);
+ break;
+ }
+
+ // If in PEM format, convert to binary.
+ $key = $this->_extractBER($key);
+
+ // Now we have the key string: compute its sha-1 sum.
+ if (!class_exists('Crypt_Hash')) {
+ include_once 'Crypt/Hash.php';
+ }
+ $hash = new Crypt_Hash('sha1');
+ $hash = $hash->hash($key);
+
+ if ($method == 2) {
+ $hash = substr($hash, -8);
+ $hash[0] = chr((ord($hash[0]) & 0x0F) | 0x40);
+ }
+
+ return $hash;
+ }
+
+ /**
+ * Format a public key as appropriate
+ *
+ * @access private
+ * @return Array
+ */
+ function _formatSubjectPublicKey()
+ {
+ if (!isset($this->publicKey) || !is_object($this->publicKey)) {
+ return false;
+ }
+
+ switch (strtolower(get_class($this->publicKey))) {
+ case 'crypt_rsa':
+ // the following two return statements do the same thing. i dunno.. i just prefer the later for some reason.
+ // the former is a good example of how to do fuzzing on the public key
+ //return new File_ASN1_Element(base64_decode(preg_replace('#-.+-|[\r\n]#', '', $this->publicKey->getPublicKey())));
+ return array(
+ 'algorithm' => array('algorithm' => 'rsaEncryption'),
+ 'subjectPublicKey' => $this->publicKey->getPublicKey(CRYPT_RSA_PUBLIC_FORMAT_PKCS1)
+ );
+ default:
+ return false;
+ }
+ }
+
+ /**
+ * Set the domain name's which the cert is to be valid for
+ *
+ * @access public
+ * @return Array
+ */
+ function setDomain()
+ {
+ $this->domains = func_get_args();
+ $this->removeDNProp('id-at-commonName');
+ $this->setDNProp('id-at-commonName', $this->domains[0]);
+ }
+
+ /**
+ * Set the IP Addresses's which the cert is to be valid for
+ *
+ * @access public
+ * @param String $ipAddress optional
+ */
+ function setIPAddress()
+ {
+ $this->ipAddresses = func_get_args();
+ /*
+ if (!isset($this->domains)) {
+ $this->removeDNProp('id-at-commonName');
+ $this->setDNProp('id-at-commonName', $this->ipAddresses[0]);
+ }
+ */
+ }
+
+ /**
+ * Helper function to build domain array
+ *
+ * @access private
+ * @param String $domain
+ * @return Array
+ */
+ function _dnsName($domain)
+ {
+ return array('dNSName' => $domain);
+ }
+
+ /**
+ * Helper function to build IP Address array
+ *
+ * (IPv6 is not currently supported)
+ *
+ * @access private
+ * @param String $address
+ * @return Array
+ */
+ function _iPAddress($address)
+ {
+ return array('iPAddress' => $address);
+ }
+
+ /**
+ * Get the index of a revoked certificate.
+ *
+ * @param array $rclist
+ * @param String $serial
+ * @param Boolean $create optional
+ * @access private
+ * @return Integer or false
+ */
+ function _revokedCertificate(&$rclist, $serial, $create = false)
+ {
+ $serial = new Math_BigInteger($serial);
+
+ foreach ($rclist as $i => $rc) {
+ if (!($serial->compare($rc['userCertificate']))) {
+ return $i;
+ }
+ }
+
+ if (!$create) {
+ return false;
+ }
+
+ $i = count($rclist);
+ $rclist[] = array('userCertificate' => $serial,
+ 'revocationDate' => $this->_timeField(@date('D, d M Y H:i:s O')));
+ return $i;
+ }
+
+ /**
+ * Revoke a certificate.
+ *
+ * @param String $serial
+ * @param String $date optional
+ * @access public
+ * @return Boolean
+ */
+ function revoke($serial, $date = null)
+ {
+ if (isset($this->currentCert['tbsCertList'])) {
+ if (is_array($rclist = &$this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates', true))) {
+ if ($this->_revokedCertificate($rclist, $serial) === false) { // If not yet revoked
+ if (($i = $this->_revokedCertificate($rclist, $serial, true)) !== false) {
+
+ if (!empty($date)) {
+ $rclist[$i]['revocationDate'] = $this->_timeField($date);
+ }
+
+ return true;
+ }
+ }
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Unrevoke a certificate.
+ *
+ * @param String $serial
+ * @access public
+ * @return Boolean
+ */
+ function unrevoke($serial)
+ {
+ if (is_array($rclist = &$this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) {
+ if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) {
+ unset($rclist[$i]);
+ $rclist = array_values($rclist);
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Get a revoked certificate.
+ *
+ * @param String $serial
+ * @access public
+ * @return Mixed
+ */
+ function getRevoked($serial)
+ {
+ if (is_array($rclist = $this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) {
+ if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) {
+ return $rclist[$i];
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * List revoked certificates
+ *
+ * @param array $crl optional
+ * @access public
+ * @return array
+ */
+ function listRevoked($crl = null)
+ {
+ if (!isset($crl)) {
+ $crl = $this->currentCert;
+ }
+
+ if (!isset($crl['tbsCertList'])) {
+ return false;
+ }
+
+ $result = array();
+
+ if (is_array($rclist = $this->_subArray($crl, 'tbsCertList/revokedCertificates'))) {
+ foreach ($rclist as $rc) {
+ $result[] = $rc['userCertificate']->toString();
+ }
+ }
+
+ return $result;
+ }
+
+ /**
+ * Remove a Revoked Certificate Extension
+ *
+ * @param String $serial
+ * @param String $id
+ * @access public
+ * @return Boolean
+ */
+ function removeRevokedCertificateExtension($serial, $id)
+ {
+ if (is_array($rclist = &$this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) {
+ if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) {
+ return $this->_removeExtension($id, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Get a Revoked Certificate Extension
+ *
+ * Returns the extension if it exists and false if not
+ *
+ * @param String $serial
+ * @param String $id
+ * @param Array $crl optional
+ * @access public
+ * @return Mixed
+ */
+ function getRevokedCertificateExtension($serial, $id, $crl = null)
+ {
+ if (!isset($crl)) {
+ $crl = $this->currentCert;
+ }
+
+ if (is_array($rclist = $this->_subArray($crl, 'tbsCertList/revokedCertificates'))) {
+ if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) {
+ return $this->_getExtension($id, $crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Returns a list of all extensions in use for a given revoked certificate
+ *
+ * @param String $serial
+ * @param array $crl optional
+ * @access public
+ * @return Array
+ */
+ function getRevokedCertificateExtensions($serial, $crl = null)
+ {
+ if (!isset($crl)) {
+ $crl = $this->currentCert;
+ }
+
+ if (is_array($rclist = $this->_subArray($crl, 'tbsCertList/revokedCertificates'))) {
+ if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) {
+ return $this->_getExtensions($crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Set a Revoked Certificate Extension
+ *
+ * @param String $serial
+ * @param String $id
+ * @param Mixed $value
+ * @param Boolean $critical optional
+ * @param Boolean $replace optional
+ * @access public
+ * @return Boolean
+ */
+ function setRevokedCertificateExtension($serial, $id, $value, $critical = false, $replace = true)
+ {
+ if (isset($this->currentCert['tbsCertList'])) {
+ if (is_array($rclist = &$this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates', true))) {
+ if (($i = $this->_revokedCertificate($rclist, $serial, true)) !== false) {
+ return $this->_setExtension($id, $value, $critical, $replace, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
+ }
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Extract raw BER from Base64 encoding
+ *
+ * @access private
+ * @param String $str
+ * @return String
+ */
+ function _extractBER($str)
+ {
+ /* X.509 certs are assumed to be base64 encoded but sometimes they'll have additional things in them
+ * above and beyond the ceritificate.
+ * ie. some may have the following preceding the -----BEGIN CERTIFICATE----- line:
+ *
+ * Bag Attributes
+ * localKeyID: 01 00 00 00
+ * subject=/O=organization/OU=org unit/CN=common name
+ * issuer=/O=organization/CN=common name
+ */
+ $temp = preg_replace('#.*?^-+[^-]+-+#ms', '', $str, 1);
+ // remove the -----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- stuff
+ $temp = preg_replace('#-+[^-]+-+#', '', $temp);
+ // remove new lines
+ $temp = str_replace(array("\r", "\n", ' '), '', $temp);
+ $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? base64_decode($temp) : false;
+ return $temp != false ? $temp : $str;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Math/BigInteger.php b/libs/phpseclib-0.3.7/Math/BigInteger.php new file mode 100644 index 0000000..39c8d5f --- /dev/null +++ b/libs/phpseclib-0.3.7/Math/BigInteger.php @@ -0,0 +1,3748 @@ +<?php
+
+/**
+ * Pure-PHP arbitrary precision integer arithmetic library.
+ *
+ * Supports base-2, base-10, base-16, and base-256 numbers. Uses the GMP or BCMath extensions, if available,
+ * and an internal implementation, otherwise.
+ *
+ * PHP versions 4 and 5
+ *
+ * {@internal (all DocBlock comments regarding implementation - such as the one that follows - refer to the
+ * {@link MATH_BIGINTEGER_MODE_INTERNAL MATH_BIGINTEGER_MODE_INTERNAL} mode)
+ *
+ * Math_BigInteger uses base-2**26 to perform operations such as multiplication and division and
+ * base-2**52 (ie. two base 2**26 digits) to perform addition and subtraction. Because the largest possible
+ * value when multiplying two base-2**26 numbers together is a base-2**52 number, double precision floating
+ * point numbers - numbers that should be supported on most hardware and whose significand is 53 bits - are
+ * used. As a consequence, bitwise operators such as >> and << cannot be used, nor can the modulo operator %,
+ * which only supports integers. Although this fact will slow this library down, the fact that such a high
+ * base is being used should more than compensate.
+ *
+ * Numbers are stored in {@link http://en.wikipedia.org/wiki/Endianness little endian} format. ie.
+ * (new Math_BigInteger(pow(2, 26)))->value = array(0, 1)
+ *
+ * Useful resources are as follows:
+ *
+ * - {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf Handbook of Applied Cryptography (HAC)}
+ * - {@link http://math.libtomcrypt.com/files/tommath.pdf Multi-Precision Math (MPM)}
+ * - Java's BigInteger classes. See /j2se/src/share/classes/java/math in jdk-1_5_0-src-jrl.zip
+ *
+ * Here's an example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger(2);
+ * $b = new Math_BigInteger(3);
+ *
+ * $c = $a->add($b);
+ *
+ * echo $c->toString(); // outputs 5
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Math
+ * @package Math_BigInteger
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVI Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://pear.php.net/package/Math_BigInteger
+ */
+
+/**#@+
+ * Reduction constants
+ *
+ * @access private
+ * @see Math_BigInteger::_reduce()
+ */
+/**
+ * @see Math_BigInteger::_montgomery()
+ * @see Math_BigInteger::_prepMontgomery()
+ */
+define('MATH_BIGINTEGER_MONTGOMERY', 0);
+/**
+ * @see Math_BigInteger::_barrett()
+ */
+define('MATH_BIGINTEGER_BARRETT', 1);
+/**
+ * @see Math_BigInteger::_mod2()
+ */
+define('MATH_BIGINTEGER_POWEROF2', 2);
+/**
+ * @see Math_BigInteger::_remainder()
+ */
+define('MATH_BIGINTEGER_CLASSIC', 3);
+/**
+ * @see Math_BigInteger::__clone()
+ */
+define('MATH_BIGINTEGER_NONE', 4);
+/**#@-*/
+
+/**#@+
+ * Array constants
+ *
+ * Rather than create a thousands and thousands of new Math_BigInteger objects in repeated function calls to add() and
+ * multiply() or whatever, we'll just work directly on arrays, taking them in as parameters and returning them.
+ *
+ * @access private
+ */
+/**
+ * $result[MATH_BIGINTEGER_VALUE] contains the value.
+ */
+define('MATH_BIGINTEGER_VALUE', 0);
+/**
+ * $result[MATH_BIGINTEGER_SIGN] contains the sign.
+ */
+define('MATH_BIGINTEGER_SIGN', 1);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Math_BigInteger::_montgomery()
+ * @see Math_BigInteger::_barrett()
+ */
+/**
+ * Cache constants
+ *
+ * $cache[MATH_BIGINTEGER_VARIABLE] tells us whether or not the cached data is still valid.
+ */
+define('MATH_BIGINTEGER_VARIABLE', 0);
+/**
+ * $cache[MATH_BIGINTEGER_DATA] contains the cached data.
+ */
+define('MATH_BIGINTEGER_DATA', 1);
+/**#@-*/
+
+/**#@+
+ * Mode constants.
+ *
+ * @access private
+ * @see Math_BigInteger::Math_BigInteger()
+ */
+/**
+ * To use the pure-PHP implementation
+ */
+define('MATH_BIGINTEGER_MODE_INTERNAL', 1);
+/**
+ * To use the BCMath library
+ *
+ * (if enabled; otherwise, the internal implementation will be used)
+ */
+define('MATH_BIGINTEGER_MODE_BCMATH', 2);
+/**
+ * To use the GMP library
+ *
+ * (if present; otherwise, either the BCMath or the internal implementation will be used)
+ */
+define('MATH_BIGINTEGER_MODE_GMP', 3);
+/**#@-*/
+
+/**
+ * Karatsuba Cutoff
+ *
+ * At what point do we switch between Karatsuba multiplication and schoolbook long multiplication?
+ *
+ * @access private
+ */
+define('MATH_BIGINTEGER_KARATSUBA_CUTOFF', 25);
+
+/**
+ * Pure-PHP arbitrary precision integer arithmetic library. Supports base-2, base-10, base-16, and base-256
+ * numbers.
+ *
+ * @package Math_BigInteger
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Math_BigInteger
+{
+ /**
+ * Holds the BigInteger's value.
+ *
+ * @var Array
+ * @access private
+ */
+ var $value;
+
+ /**
+ * Holds the BigInteger's magnitude.
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $is_negative = false;
+
+ /**
+ * Random number generator function
+ *
+ * @see setRandomGenerator()
+ * @access private
+ */
+ var $generator = 'mt_rand';
+
+ /**
+ * Precision
+ *
+ * @see setPrecision()
+ * @access private
+ */
+ var $precision = -1;
+
+ /**
+ * Precision Bitmask
+ *
+ * @see setPrecision()
+ * @access private
+ */
+ var $bitmask = false;
+
+ /**
+ * Mode independent value used for serialization.
+ *
+ * If the bcmath or gmp extensions are installed $this->value will be a non-serializable resource, hence the need for
+ * a variable that'll be serializable regardless of whether or not extensions are being used. Unlike $this->value,
+ * however, $this->hex is only calculated when $this->__sleep() is called.
+ *
+ * @see __sleep()
+ * @see __wakeup()
+ * @var String
+ * @access private
+ */
+ var $hex;
+
+ /**
+ * Converts base-2, base-10, base-16, and binary strings (base-256) to BigIntegers.
+ *
+ * If the second parameter - $base - is negative, then it will be assumed that the number's are encoded using
+ * two's compliment. The sole exception to this is -10, which is treated the same as 10 is.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('0x32', 16); // 50 in base-16
+ *
+ * echo $a->toString(); // outputs 50
+ * ?>
+ * </code>
+ *
+ * @param optional $x base-10 number or base-$base number if $base set.
+ * @param optional integer $base
+ * @return Math_BigInteger
+ * @access public
+ */
+ function Math_BigInteger($x = 0, $base = 10)
+ {
+ if ( !defined('MATH_BIGINTEGER_MODE') ) {
+ switch (true) {
+ case extension_loaded('gmp'):
+ define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_GMP);
+ break;
+ case extension_loaded('bcmath'):
+ define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_BCMATH);
+ break;
+ default:
+ define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_INTERNAL);
+ }
+ }
+
+ if (function_exists('openssl_public_encrypt') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
+ // some versions of XAMPP have mismatched versions of OpenSSL which causes it not to work
+ ob_start();
+ @phpinfo();
+ $content = ob_get_contents();
+ ob_end_clean();
+
+ preg_match_all('#OpenSSL (Header|Library) Version(.*)#im', $content, $matches);
+
+ $versions = array();
+ if (!empty($matches[1])) {
+ for ($i = 0; $i < count($matches[1]); $i++) {
+ $versions[$matches[1][$i]] = trim(str_replace('=>', '', strip_tags($matches[2][$i])));
+ }
+ }
+
+ // it doesn't appear that OpenSSL versions were reported upon until PHP 5.3+
+ switch (true) {
+ case !isset($versions['Header']):
+ case !isset($versions['Library']):
+ case $versions['Header'] == $versions['Library']:
+ define('MATH_BIGINTEGER_OPENSSL_ENABLED', true);
+ break;
+ default:
+ define('MATH_BIGINTEGER_OPENSSL_DISABLE', true);
+ }
+ }
+
+ if (!defined('PHP_INT_SIZE')) {
+ define('PHP_INT_SIZE', 4);
+ }
+
+ if (!defined('MATH_BIGINTEGER_BASE') && MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_INTERNAL) {
+ switch (PHP_INT_SIZE) {
+ case 8: // use 64-bit integers if int size is 8 bytes
+ define('MATH_BIGINTEGER_BASE', 31);
+ define('MATH_BIGINTEGER_BASE_FULL', 0x80000000);
+ define('MATH_BIGINTEGER_MAX_DIGIT', 0x7FFFFFFF);
+ define('MATH_BIGINTEGER_MSB', 0x40000000);
+ // 10**9 is the closest we can get to 2**31 without passing it
+ define('MATH_BIGINTEGER_MAX10', 1000000000);
+ define('MATH_BIGINTEGER_MAX10_LEN', 9);
+ // the largest digit that may be used in addition / subtraction
+ define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 62));
+ break;
+ //case 4: // use 64-bit floats if int size is 4 bytes
+ default:
+ define('MATH_BIGINTEGER_BASE', 26);
+ define('MATH_BIGINTEGER_BASE_FULL', 0x4000000);
+ define('MATH_BIGINTEGER_MAX_DIGIT', 0x3FFFFFF);
+ define('MATH_BIGINTEGER_MSB', 0x2000000);
+ // 10**7 is the closest to 2**26 without passing it
+ define('MATH_BIGINTEGER_MAX10', 10000000);
+ define('MATH_BIGINTEGER_MAX10_LEN', 7);
+ // the largest digit that may be used in addition / subtraction
+ // we do pow(2, 52) instead of using 4503599627370496 directly because some
+ // PHP installations will truncate 4503599627370496.
+ define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 52));
+ }
+ }
+
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ if (is_resource($x) && get_resource_type($x) == 'GMP integer') {
+ $this->value = $x;
+ return;
+ }
+ $this->value = gmp_init(0);
+ break;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $this->value = '0';
+ break;
+ default:
+ $this->value = array();
+ }
+
+ // '0' counts as empty() but when the base is 256 '0' is equal to ord('0') or 48
+ // '0' is the only value like this per http://php.net/empty
+ if (empty($x) && (abs($base) != 256 || $x !== '0')) {
+ return;
+ }
+
+ switch ($base) {
+ case -256:
+ if (ord($x[0]) & 0x80) {
+ $x = ~$x;
+ $this->is_negative = true;
+ }
+ case 256:
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $sign = $this->is_negative ? '-' : '';
+ $this->value = gmp_init($sign . '0x' . bin2hex($x));
+ break;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ // round $len to the nearest 4 (thanks, DavidMJ!)
+ $len = (strlen($x) + 3) & 0xFFFFFFFC;
+
+ $x = str_pad($x, $len, chr(0), STR_PAD_LEFT);
+
+ for ($i = 0; $i < $len; $i+= 4) {
+ $this->value = bcmul($this->value, '4294967296', 0); // 4294967296 == 2**32
+ $this->value = bcadd($this->value, 0x1000000 * ord($x[$i]) + ((ord($x[$i + 1]) << 16) | (ord($x[$i + 2]) << 8) | ord($x[$i + 3])), 0);
+ }
+
+ if ($this->is_negative) {
+ $this->value = '-' . $this->value;
+ }
+
+ break;
+ // converts a base-2**8 (big endian / msb) number to base-2**26 (little endian / lsb)
+ default:
+ while (strlen($x)) {
+ $this->value[] = $this->_bytes2int($this->_base256_rshift($x, MATH_BIGINTEGER_BASE));
+ }
+ }
+
+ if ($this->is_negative) {
+ if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL) {
+ $this->is_negative = false;
+ }
+ $temp = $this->add(new Math_BigInteger('-1'));
+ $this->value = $temp->value;
+ }
+ break;
+ case 16:
+ case -16:
+ if ($base > 0 && $x[0] == '-') {
+ $this->is_negative = true;
+ $x = substr($x, 1);
+ }
+
+ $x = preg_replace('#^(?:0x)?([A-Fa-f0-9]*).*#', '$1', $x);
+
+ $is_negative = false;
+ if ($base < 0 && hexdec($x[0]) >= 8) {
+ $this->is_negative = $is_negative = true;
+ $x = bin2hex(~pack('H*', $x));
+ }
+
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $temp = $this->is_negative ? '-0x' . $x : '0x' . $x;
+ $this->value = gmp_init($temp);
+ $this->is_negative = false;
+ break;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $x = ( strlen($x) & 1 ) ? '0' . $x : $x;
+ $temp = new Math_BigInteger(pack('H*', $x), 256);
+ $this->value = $this->is_negative ? '-' . $temp->value : $temp->value;
+ $this->is_negative = false;
+ break;
+ default:
+ $x = ( strlen($x) & 1 ) ? '0' . $x : $x;
+ $temp = new Math_BigInteger(pack('H*', $x), 256);
+ $this->value = $temp->value;
+ }
+
+ if ($is_negative) {
+ $temp = $this->add(new Math_BigInteger('-1'));
+ $this->value = $temp->value;
+ }
+ break;
+ case 10:
+ case -10:
+ // (?<!^)(?:-).*: find any -'s that aren't at the beginning and then any characters that follow that
+ // (?<=^|-)0*: find any 0's that are preceded by the start of the string or by a - (ie. octals)
+ // [^-0-9].*: find any non-numeric characters and then any characters that follow that
+ $x = preg_replace('#(?<!^)(?:-).*|(?<=^|-)0*|[^-0-9].*#', '', $x);
+
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $this->value = gmp_init($x);
+ break;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ // explicitly casting $x to a string is necessary, here, since doing $x[0] on -1 yields different
+ // results then doing it on '-1' does (modInverse does $x[0])
+ $this->value = $x === '-' ? '0' : (string) $x;
+ break;
+ default:
+ $temp = new Math_BigInteger();
+
+ $multiplier = new Math_BigInteger();
+ $multiplier->value = array(MATH_BIGINTEGER_MAX10);
+
+ if ($x[0] == '-') {
+ $this->is_negative = true;
+ $x = substr($x, 1);
+ }
+
+ $x = str_pad($x, strlen($x) + ((MATH_BIGINTEGER_MAX10_LEN - 1) * strlen($x)) % MATH_BIGINTEGER_MAX10_LEN, 0, STR_PAD_LEFT);
+ while (strlen($x)) {
+ $temp = $temp->multiply($multiplier);
+ $temp = $temp->add(new Math_BigInteger($this->_int2bytes(substr($x, 0, MATH_BIGINTEGER_MAX10_LEN)), 256));
+ $x = substr($x, MATH_BIGINTEGER_MAX10_LEN);
+ }
+
+ $this->value = $temp->value;
+ }
+ break;
+ case 2: // base-2 support originally implemented by Lluis Pamies - thanks!
+ case -2:
+ if ($base > 0 && $x[0] == '-') {
+ $this->is_negative = true;
+ $x = substr($x, 1);
+ }
+
+ $x = preg_replace('#^([01]*).*#', '$1', $x);
+ $x = str_pad($x, strlen($x) + (3 * strlen($x)) % 4, 0, STR_PAD_LEFT);
+
+ $str = '0x';
+ while (strlen($x)) {
+ $part = substr($x, 0, 4);
+ $str.= dechex(bindec($part));
+ $x = substr($x, 4);
+ }
+
+ if ($this->is_negative) {
+ $str = '-' . $str;
+ }
+
+ $temp = new Math_BigInteger($str, 8 * $base); // ie. either -16 or +16
+ $this->value = $temp->value;
+ $this->is_negative = $temp->is_negative;
+
+ break;
+ default:
+ // base not supported, so we'll let $this == 0
+ }
+ }
+
+ /**
+ * Converts a BigInteger to a byte string (eg. base-256).
+ *
+ * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
+ * saved as two's compliment.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('65');
+ *
+ * echo $a->toBytes(); // outputs chr(65)
+ * ?>
+ * </code>
+ *
+ * @param Boolean $twos_compliment
+ * @return String
+ * @access public
+ * @internal Converts a base-2**26 number to base-2**8
+ */
+ function toBytes($twos_compliment = false)
+ {
+ if ($twos_compliment) {
+ $comparison = $this->compare(new Math_BigInteger());
+ if ($comparison == 0) {
+ return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
+ }
+
+ $temp = $comparison < 0 ? $this->add(new Math_BigInteger(1)) : $this->copy();
+ $bytes = $temp->toBytes();
+
+ if (empty($bytes)) { // eg. if the number we're trying to convert is -1
+ $bytes = chr(0);
+ }
+
+ if (ord($bytes[0]) & 0x80) {
+ $bytes = chr(0) . $bytes;
+ }
+
+ return $comparison < 0 ? ~$bytes : $bytes;
+ }
+
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ if (gmp_cmp($this->value, gmp_init(0)) == 0) {
+ return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
+ }
+
+ $temp = gmp_strval(gmp_abs($this->value), 16);
+ $temp = ( strlen($temp) & 1 ) ? '0' . $temp : $temp;
+ $temp = pack('H*', $temp);
+
+ return $this->precision > 0 ?
+ substr(str_pad($temp, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) :
+ ltrim($temp, chr(0));
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ if ($this->value === '0') {
+ return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
+ }
+
+ $value = '';
+ $current = $this->value;
+
+ if ($current[0] == '-') {
+ $current = substr($current, 1);
+ }
+
+ while (bccomp($current, '0', 0) > 0) {
+ $temp = bcmod($current, '16777216');
+ $value = chr($temp >> 16) . chr($temp >> 8) . chr($temp) . $value;
+ $current = bcdiv($current, '16777216', 0);
+ }
+
+ return $this->precision > 0 ?
+ substr(str_pad($value, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) :
+ ltrim($value, chr(0));
+ }
+
+ if (!count($this->value)) {
+ return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
+ }
+ $result = $this->_int2bytes($this->value[count($this->value) - 1]);
+
+ $temp = $this->copy();
+
+ for ($i = count($temp->value) - 2; $i >= 0; --$i) {
+ $temp->_base256_lshift($result, MATH_BIGINTEGER_BASE);
+ $result = $result | str_pad($temp->_int2bytes($temp->value[$i]), strlen($result), chr(0), STR_PAD_LEFT);
+ }
+
+ return $this->precision > 0 ?
+ str_pad(substr($result, -(($this->precision + 7) >> 3)), ($this->precision + 7) >> 3, chr(0), STR_PAD_LEFT) :
+ $result;
+ }
+
+ /**
+ * Converts a BigInteger to a hex string (eg. base-16)).
+ *
+ * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
+ * saved as two's compliment.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('65');
+ *
+ * echo $a->toHex(); // outputs '41'
+ * ?>
+ * </code>
+ *
+ * @param Boolean $twos_compliment
+ * @return String
+ * @access public
+ * @internal Converts a base-2**26 number to base-2**8
+ */
+ function toHex($twos_compliment = false)
+ {
+ return bin2hex($this->toBytes($twos_compliment));
+ }
+
+ /**
+ * Converts a BigInteger to a bit string (eg. base-2).
+ *
+ * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
+ * saved as two's compliment.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('65');
+ *
+ * echo $a->toBits(); // outputs '1000001'
+ * ?>
+ * </code>
+ *
+ * @param Boolean $twos_compliment
+ * @return String
+ * @access public
+ * @internal Converts a base-2**26 number to base-2**2
+ */
+ function toBits($twos_compliment = false)
+ {
+ $hex = $this->toHex($twos_compliment);
+ $bits = '';
+ for ($i = strlen($hex) - 8, $start = strlen($hex) & 7; $i >= $start; $i-=8) {
+ $bits = str_pad(decbin(hexdec(substr($hex, $i, 8))), 32, '0', STR_PAD_LEFT) . $bits;
+ }
+ if ($start) { // hexdec('') == 0
+ $bits = str_pad(decbin(hexdec(substr($hex, 0, $start))), 8, '0', STR_PAD_LEFT) . $bits;
+ }
+ $result = $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0');
+
+ if ($twos_compliment && $this->compare(new Math_BigInteger()) > 0 && $this->precision <= 0) {
+ return '0' . $result;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Converts a BigInteger to a base-10 number.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('50');
+ *
+ * echo $a->toString(); // outputs 50
+ * ?>
+ * </code>
+ *
+ * @return String
+ * @access public
+ * @internal Converts a base-2**26 number to base-10**7 (which is pretty much base-10)
+ */
+ function toString()
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ return gmp_strval($this->value);
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ if ($this->value === '0') {
+ return '0';
+ }
+
+ return ltrim($this->value, '0');
+ }
+
+ if (!count($this->value)) {
+ return '0';
+ }
+
+ $temp = $this->copy();
+ $temp->is_negative = false;
+
+ $divisor = new Math_BigInteger();
+ $divisor->value = array(MATH_BIGINTEGER_MAX10);
+ $result = '';
+ while (count($temp->value)) {
+ list($temp, $mod) = $temp->divide($divisor);
+ $result = str_pad(isset($mod->value[0]) ? $mod->value[0] : '', MATH_BIGINTEGER_MAX10_LEN, '0', STR_PAD_LEFT) . $result;
+ }
+ $result = ltrim($result, '0');
+ if (empty($result)) {
+ $result = '0';
+ }
+
+ if ($this->is_negative) {
+ $result = '-' . $result;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Copy an object
+ *
+ * PHP5 passes objects by reference while PHP4 passes by value. As such, we need a function to guarantee
+ * that all objects are passed by value, when appropriate. More information can be found here:
+ *
+ * {@link http://php.net/language.oop5.basic#51624}
+ *
+ * @access public
+ * @see __clone()
+ * @return Math_BigInteger
+ */
+ function copy()
+ {
+ $temp = new Math_BigInteger();
+ $temp->value = $this->value;
+ $temp->is_negative = $this->is_negative;
+ $temp->generator = $this->generator;
+ $temp->precision = $this->precision;
+ $temp->bitmask = $this->bitmask;
+ return $temp;
+ }
+
+ /**
+ * __toString() magic method
+ *
+ * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call
+ * toString().
+ *
+ * @access public
+ * @internal Implemented per a suggestion by Techie-Michael - thanks!
+ */
+ function __toString()
+ {
+ return $this->toString();
+ }
+
+ /**
+ * __clone() magic method
+ *
+ * Although you can call Math_BigInteger::__toString() directly in PHP5, you cannot call Math_BigInteger::__clone()
+ * directly in PHP5. You can in PHP4 since it's not a magic method, but in PHP5, you have to call it by using the PHP5
+ * only syntax of $y = clone $x. As such, if you're trying to write an application that works on both PHP4 and PHP5,
+ * call Math_BigInteger::copy(), instead.
+ *
+ * @access public
+ * @see copy()
+ * @return Math_BigInteger
+ */
+ function __clone()
+ {
+ return $this->copy();
+ }
+
+ /**
+ * __sleep() magic method
+ *
+ * Will be called, automatically, when serialize() is called on a Math_BigInteger object.
+ *
+ * @see __wakeup()
+ * @access public
+ */
+ function __sleep()
+ {
+ $this->hex = $this->toHex(true);
+ $vars = array('hex');
+ if ($this->generator != 'mt_rand') {
+ $vars[] = 'generator';
+ }
+ if ($this->precision > 0) {
+ $vars[] = 'precision';
+ }
+ return $vars;
+
+ }
+
+ /**
+ * __wakeup() magic method
+ *
+ * Will be called, automatically, when unserialize() is called on a Math_BigInteger object.
+ *
+ * @see __sleep()
+ * @access public
+ */
+ function __wakeup()
+ {
+ $temp = new Math_BigInteger($this->hex, -16);
+ $this->value = $temp->value;
+ $this->is_negative = $temp->is_negative;
+ $this->setRandomGenerator($this->generator);
+ if ($this->precision > 0) {
+ // recalculate $this->bitmask
+ $this->setPrecision($this->precision);
+ }
+ }
+
+ /**
+ * Adds two BigIntegers.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('10');
+ * $b = new Math_BigInteger('20');
+ *
+ * $c = $a->add($b);
+ *
+ * echo $c->toString(); // outputs 30
+ * ?>
+ * </code>
+ *
+ * @param Math_BigInteger $y
+ * @return Math_BigInteger
+ * @access public
+ * @internal Performs base-2**52 addition
+ */
+ function add($y)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $temp = new Math_BigInteger();
+ $temp->value = gmp_add($this->value, $y->value);
+
+ return $this->_normalize($temp);
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $temp = new Math_BigInteger();
+ $temp->value = bcadd($this->value, $y->value, 0);
+
+ return $this->_normalize($temp);
+ }
+
+ $temp = $this->_add($this->value, $this->is_negative, $y->value, $y->is_negative);
+
+ $result = new Math_BigInteger();
+ $result->value = $temp[MATH_BIGINTEGER_VALUE];
+ $result->is_negative = $temp[MATH_BIGINTEGER_SIGN];
+
+ return $this->_normalize($result);
+ }
+
+ /**
+ * Performs addition.
+ *
+ * @param Array $x_value
+ * @param Boolean $x_negative
+ * @param Array $y_value
+ * @param Boolean $y_negative
+ * @return Array
+ * @access private
+ */
+ function _add($x_value, $x_negative, $y_value, $y_negative)
+ {
+ $x_size = count($x_value);
+ $y_size = count($y_value);
+
+ if ($x_size == 0) {
+ return array(
+ MATH_BIGINTEGER_VALUE => $y_value,
+ MATH_BIGINTEGER_SIGN => $y_negative
+ );
+ } else if ($y_size == 0) {
+ return array(
+ MATH_BIGINTEGER_VALUE => $x_value,
+ MATH_BIGINTEGER_SIGN => $x_negative
+ );
+ }
+
+ // subtract, if appropriate
+ if ( $x_negative != $y_negative ) {
+ if ( $x_value == $y_value ) {
+ return array(
+ MATH_BIGINTEGER_VALUE => array(),
+ MATH_BIGINTEGER_SIGN => false
+ );
+ }
+
+ $temp = $this->_subtract($x_value, false, $y_value, false);
+ $temp[MATH_BIGINTEGER_SIGN] = $this->_compare($x_value, false, $y_value, false) > 0 ?
+ $x_negative : $y_negative;
+
+ return $temp;
+ }
+
+ if ($x_size < $y_size) {
+ $size = $x_size;
+ $value = $y_value;
+ } else {
+ $size = $y_size;
+ $value = $x_value;
+ }
+
+ $value[] = 0; // just in case the carry adds an extra digit
+
+ $carry = 0;
+ for ($i = 0, $j = 1; $j < $size; $i+=2, $j+=2) {
+ $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] + $y_value[$j] * MATH_BIGINTEGER_BASE_FULL + $y_value[$i] + $carry;
+ $carry = $sum >= MATH_BIGINTEGER_MAX_DIGIT2; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1
+ $sum = $carry ? $sum - MATH_BIGINTEGER_MAX_DIGIT2 : $sum;
+
+ $temp = MATH_BIGINTEGER_BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31);
+
+ $value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp); // eg. a faster alternative to fmod($sum, 0x4000000)
+ $value[$j] = $temp;
+ }
+
+ if ($j == $size) { // ie. if $y_size is odd
+ $sum = $x_value[$i] + $y_value[$i] + $carry;
+ $carry = $sum >= MATH_BIGINTEGER_BASE_FULL;
+ $value[$i] = $carry ? $sum - MATH_BIGINTEGER_BASE_FULL : $sum;
+ ++$i; // ie. let $i = $j since we've just done $value[$i]
+ }
+
+ if ($carry) {
+ for (; $value[$i] == MATH_BIGINTEGER_MAX_DIGIT; ++$i) {
+ $value[$i] = 0;
+ }
+ ++$value[$i];
+ }
+
+ return array(
+ MATH_BIGINTEGER_VALUE => $this->_trim($value),
+ MATH_BIGINTEGER_SIGN => $x_negative
+ );
+ }
+
+ /**
+ * Subtracts two BigIntegers.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('10');
+ * $b = new Math_BigInteger('20');
+ *
+ * $c = $a->subtract($b);
+ *
+ * echo $c->toString(); // outputs -10
+ * ?>
+ * </code>
+ *
+ * @param Math_BigInteger $y
+ * @return Math_BigInteger
+ * @access public
+ * @internal Performs base-2**52 subtraction
+ */
+ function subtract($y)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $temp = new Math_BigInteger();
+ $temp->value = gmp_sub($this->value, $y->value);
+
+ return $this->_normalize($temp);
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $temp = new Math_BigInteger();
+ $temp->value = bcsub($this->value, $y->value, 0);
+
+ return $this->_normalize($temp);
+ }
+
+ $temp = $this->_subtract($this->value, $this->is_negative, $y->value, $y->is_negative);
+
+ $result = new Math_BigInteger();
+ $result->value = $temp[MATH_BIGINTEGER_VALUE];
+ $result->is_negative = $temp[MATH_BIGINTEGER_SIGN];
+
+ return $this->_normalize($result);
+ }
+
+ /**
+ * Performs subtraction.
+ *
+ * @param Array $x_value
+ * @param Boolean $x_negative
+ * @param Array $y_value
+ * @param Boolean $y_negative
+ * @return Array
+ * @access private
+ */
+ function _subtract($x_value, $x_negative, $y_value, $y_negative)
+ {
+ $x_size = count($x_value);
+ $y_size = count($y_value);
+
+ if ($x_size == 0) {
+ return array(
+ MATH_BIGINTEGER_VALUE => $y_value,
+ MATH_BIGINTEGER_SIGN => !$y_negative
+ );
+ } else if ($y_size == 0) {
+ return array(
+ MATH_BIGINTEGER_VALUE => $x_value,
+ MATH_BIGINTEGER_SIGN => $x_negative
+ );
+ }
+
+ // add, if appropriate (ie. -$x - +$y or +$x - -$y)
+ if ( $x_negative != $y_negative ) {
+ $temp = $this->_add($x_value, false, $y_value, false);
+ $temp[MATH_BIGINTEGER_SIGN] = $x_negative;
+
+ return $temp;
+ }
+
+ $diff = $this->_compare($x_value, $x_negative, $y_value, $y_negative);
+
+ if ( !$diff ) {
+ return array(
+ MATH_BIGINTEGER_VALUE => array(),
+ MATH_BIGINTEGER_SIGN => false
+ );
+ }
+
+ // switch $x and $y around, if appropriate.
+ if ( (!$x_negative && $diff < 0) || ($x_negative && $diff > 0) ) {
+ $temp = $x_value;
+ $x_value = $y_value;
+ $y_value = $temp;
+
+ $x_negative = !$x_negative;
+
+ $x_size = count($x_value);
+ $y_size = count($y_value);
+ }
+
+ // at this point, $x_value should be at least as big as - if not bigger than - $y_value
+
+ $carry = 0;
+ for ($i = 0, $j = 1; $j < $y_size; $i+=2, $j+=2) {
+ $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] - $y_value[$j] * MATH_BIGINTEGER_BASE_FULL - $y_value[$i] - $carry;
+ $carry = $sum < 0; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1
+ $sum = $carry ? $sum + MATH_BIGINTEGER_MAX_DIGIT2 : $sum;
+
+ $temp = MATH_BIGINTEGER_BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31);
+
+ $x_value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp);
+ $x_value[$j] = $temp;
+ }
+
+ if ($j == $y_size) { // ie. if $y_size is odd
+ $sum = $x_value[$i] - $y_value[$i] - $carry;
+ $carry = $sum < 0;
+ $x_value[$i] = $carry ? $sum + MATH_BIGINTEGER_BASE_FULL : $sum;
+ ++$i;
+ }
+
+ if ($carry) {
+ for (; !$x_value[$i]; ++$i) {
+ $x_value[$i] = MATH_BIGINTEGER_MAX_DIGIT;
+ }
+ --$x_value[$i];
+ }
+
+ return array(
+ MATH_BIGINTEGER_VALUE => $this->_trim($x_value),
+ MATH_BIGINTEGER_SIGN => $x_negative
+ );
+ }
+
+ /**
+ * Multiplies two BigIntegers
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('10');
+ * $b = new Math_BigInteger('20');
+ *
+ * $c = $a->multiply($b);
+ *
+ * echo $c->toString(); // outputs 200
+ * ?>
+ * </code>
+ *
+ * @param Math_BigInteger $x
+ * @return Math_BigInteger
+ * @access public
+ */
+ function multiply($x)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $temp = new Math_BigInteger();
+ $temp->value = gmp_mul($this->value, $x->value);
+
+ return $this->_normalize($temp);
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $temp = new Math_BigInteger();
+ $temp->value = bcmul($this->value, $x->value, 0);
+
+ return $this->_normalize($temp);
+ }
+
+ $temp = $this->_multiply($this->value, $this->is_negative, $x->value, $x->is_negative);
+
+ $product = new Math_BigInteger();
+ $product->value = $temp[MATH_BIGINTEGER_VALUE];
+ $product->is_negative = $temp[MATH_BIGINTEGER_SIGN];
+
+ return $this->_normalize($product);
+ }
+
+ /**
+ * Performs multiplication.
+ *
+ * @param Array $x_value
+ * @param Boolean $x_negative
+ * @param Array $y_value
+ * @param Boolean $y_negative
+ * @return Array
+ * @access private
+ */
+ function _multiply($x_value, $x_negative, $y_value, $y_negative)
+ {
+ //if ( $x_value == $y_value ) {
+ // return array(
+ // MATH_BIGINTEGER_VALUE => $this->_square($x_value),
+ // MATH_BIGINTEGER_SIGN => $x_sign != $y_value
+ // );
+ //}
+
+ $x_length = count($x_value);
+ $y_length = count($y_value);
+
+ if ( !$x_length || !$y_length ) { // a 0 is being multiplied
+ return array(
+ MATH_BIGINTEGER_VALUE => array(),
+ MATH_BIGINTEGER_SIGN => false
+ );
+ }
+
+ return array(
+ MATH_BIGINTEGER_VALUE => min($x_length, $y_length) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ?
+ $this->_trim($this->_regularMultiply($x_value, $y_value)) :
+ $this->_trim($this->_karatsuba($x_value, $y_value)),
+ MATH_BIGINTEGER_SIGN => $x_negative != $y_negative
+ );
+ }
+
+ /**
+ * Performs long multiplication on two BigIntegers
+ *
+ * Modeled after 'multiply' in MutableBigInteger.java.
+ *
+ * @param Array $x_value
+ * @param Array $y_value
+ * @return Array
+ * @access private
+ */
+ function _regularMultiply($x_value, $y_value)
+ {
+ $x_length = count($x_value);
+ $y_length = count($y_value);
+
+ if ( !$x_length || !$y_length ) { // a 0 is being multiplied
+ return array();
+ }
+
+ if ( $x_length < $y_length ) {
+ $temp = $x_value;
+ $x_value = $y_value;
+ $y_value = $temp;
+
+ $x_length = count($x_value);
+ $y_length = count($y_value);
+ }
+
+ $product_value = $this->_array_repeat(0, $x_length + $y_length);
+
+ // the following for loop could be removed if the for loop following it
+ // (the one with nested for loops) initially set $i to 0, but
+ // doing so would also make the result in one set of unnecessary adds,
+ // since on the outermost loops first pass, $product->value[$k] is going
+ // to always be 0
+
+ $carry = 0;
+
+ for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0
+ $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0
+ $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
+ $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
+ }
+
+ $product_value[$j] = $carry;
+
+ // the above for loop is what the previous comment was talking about. the
+ // following for loop is the "one with nested for loops"
+ for ($i = 1; $i < $y_length; ++$i) {
+ $carry = 0;
+
+ for ($j = 0, $k = $i; $j < $x_length; ++$j, ++$k) {
+ $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry;
+ $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
+ $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
+ }
+
+ $product_value[$k] = $carry;
+ }
+
+ return $product_value;
+ }
+
+ /**
+ * Performs Karatsuba multiplication on two BigIntegers
+ *
+ * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and
+ * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=120 MPM 5.2.3}.
+ *
+ * @param Array $x_value
+ * @param Array $y_value
+ * @return Array
+ * @access private
+ */
+ function _karatsuba($x_value, $y_value)
+ {
+ $m = min(count($x_value) >> 1, count($y_value) >> 1);
+
+ if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) {
+ return $this->_regularMultiply($x_value, $y_value);
+ }
+
+ $x1 = array_slice($x_value, $m);
+ $x0 = array_slice($x_value, 0, $m);
+ $y1 = array_slice($y_value, $m);
+ $y0 = array_slice($y_value, 0, $m);
+
+ $z2 = $this->_karatsuba($x1, $y1);
+ $z0 = $this->_karatsuba($x0, $y0);
+
+ $z1 = $this->_add($x1, false, $x0, false);
+ $temp = $this->_add($y1, false, $y0, false);
+ $z1 = $this->_karatsuba($z1[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_VALUE]);
+ $temp = $this->_add($z2, false, $z0, false);
+ $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false);
+
+ $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2);
+ $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]);
+
+ $xy = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]);
+ $xy = $this->_add($xy[MATH_BIGINTEGER_VALUE], $xy[MATH_BIGINTEGER_SIGN], $z0, false);
+
+ return $xy[MATH_BIGINTEGER_VALUE];
+ }
+
+ /**
+ * Performs squaring
+ *
+ * @param Array $x
+ * @return Array
+ * @access private
+ */
+ function _square($x = false)
+ {
+ return count($x) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ?
+ $this->_trim($this->_baseSquare($x)) :
+ $this->_trim($this->_karatsubaSquare($x));
+ }
+
+ /**
+ * Performs traditional squaring on two BigIntegers
+ *
+ * Squaring can be done faster than multiplying a number by itself can be. See
+ * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=7 HAC 14.2.4} /
+ * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=141 MPM 5.3} for more information.
+ *
+ * @param Array $value
+ * @return Array
+ * @access private
+ */
+ function _baseSquare($value)
+ {
+ if ( empty($value) ) {
+ return array();
+ }
+ $square_value = $this->_array_repeat(0, 2 * count($value));
+
+ for ($i = 0, $max_index = count($value) - 1; $i <= $max_index; ++$i) {
+ $i2 = $i << 1;
+
+ $temp = $square_value[$i2] + $value[$i] * $value[$i];
+ $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
+ $square_value[$i2] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
+
+ // note how we start from $i+1 instead of 0 as we do in multiplication.
+ for ($j = $i + 1, $k = $i2 + 1; $j <= $max_index; ++$j, ++$k) {
+ $temp = $square_value[$k] + 2 * $value[$j] * $value[$i] + $carry;
+ $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
+ $square_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
+ }
+
+ // the following line can yield values larger 2**15. at this point, PHP should switch
+ // over to floats.
+ $square_value[$i + $max_index + 1] = $carry;
+ }
+
+ return $square_value;
+ }
+
+ /**
+ * Performs Karatsuba "squaring" on two BigIntegers
+ *
+ * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and
+ * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=151 MPM 5.3.4}.
+ *
+ * @param Array $value
+ * @return Array
+ * @access private
+ */
+ function _karatsubaSquare($value)
+ {
+ $m = count($value) >> 1;
+
+ if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) {
+ return $this->_baseSquare($value);
+ }
+
+ $x1 = array_slice($value, $m);
+ $x0 = array_slice($value, 0, $m);
+
+ $z2 = $this->_karatsubaSquare($x1);
+ $z0 = $this->_karatsubaSquare($x0);
+
+ $z1 = $this->_add($x1, false, $x0, false);
+ $z1 = $this->_karatsubaSquare($z1[MATH_BIGINTEGER_VALUE]);
+ $temp = $this->_add($z2, false, $z0, false);
+ $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false);
+
+ $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2);
+ $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]);
+
+ $xx = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]);
+ $xx = $this->_add($xx[MATH_BIGINTEGER_VALUE], $xx[MATH_BIGINTEGER_SIGN], $z0, false);
+
+ return $xx[MATH_BIGINTEGER_VALUE];
+ }
+
+ /**
+ * Divides two BigIntegers.
+ *
+ * Returns an array whose first element contains the quotient and whose second element contains the
+ * "common residue". If the remainder would be positive, the "common residue" and the remainder are the
+ * same. If the remainder would be negative, the "common residue" is equal to the sum of the remainder
+ * and the divisor (basically, the "common residue" is the first positive modulo).
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('10');
+ * $b = new Math_BigInteger('20');
+ *
+ * list($quotient, $remainder) = $a->divide($b);
+ *
+ * echo $quotient->toString(); // outputs 0
+ * echo "\r\n";
+ * echo $remainder->toString(); // outputs 10
+ * ?>
+ * </code>
+ *
+ * @param Math_BigInteger $y
+ * @return Array
+ * @access public
+ * @internal This function is based off of {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=9 HAC 14.20}.
+ */
+ function divide($y)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $quotient = new Math_BigInteger();
+ $remainder = new Math_BigInteger();
+
+ list($quotient->value, $remainder->value) = gmp_div_qr($this->value, $y->value);
+
+ if (gmp_sign($remainder->value) < 0) {
+ $remainder->value = gmp_add($remainder->value, gmp_abs($y->value));
+ }
+
+ return array($this->_normalize($quotient), $this->_normalize($remainder));
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $quotient = new Math_BigInteger();
+ $remainder = new Math_BigInteger();
+
+ $quotient->value = bcdiv($this->value, $y->value, 0);
+ $remainder->value = bcmod($this->value, $y->value);
+
+ if ($remainder->value[0] == '-') {
+ $remainder->value = bcadd($remainder->value, $y->value[0] == '-' ? substr($y->value, 1) : $y->value, 0);
+ }
+
+ return array($this->_normalize($quotient), $this->_normalize($remainder));
+ }
+
+ if (count($y->value) == 1) {
+ list($q, $r) = $this->_divide_digit($this->value, $y->value[0]);
+ $quotient = new Math_BigInteger();
+ $remainder = new Math_BigInteger();
+ $quotient->value = $q;
+ $remainder->value = array($r);
+ $quotient->is_negative = $this->is_negative != $y->is_negative;
+ return array($this->_normalize($quotient), $this->_normalize($remainder));
+ }
+
+ static $zero;
+ if ( !isset($zero) ) {
+ $zero = new Math_BigInteger();
+ }
+
+ $x = $this->copy();
+ $y = $y->copy();
+
+ $x_sign = $x->is_negative;
+ $y_sign = $y->is_negative;
+
+ $x->is_negative = $y->is_negative = false;
+
+ $diff = $x->compare($y);
+
+ if ( !$diff ) {
+ $temp = new Math_BigInteger();
+ $temp->value = array(1);
+ $temp->is_negative = $x_sign != $y_sign;
+ return array($this->_normalize($temp), $this->_normalize(new Math_BigInteger()));
+ }
+
+ if ( $diff < 0 ) {
+ // if $x is negative, "add" $y.
+ if ( $x_sign ) {
+ $x = $y->subtract($x);
+ }
+ return array($this->_normalize(new Math_BigInteger()), $this->_normalize($x));
+ }
+
+ // normalize $x and $y as described in HAC 14.23 / 14.24
+ $msb = $y->value[count($y->value) - 1];
+ for ($shift = 0; !($msb & MATH_BIGINTEGER_MSB); ++$shift) {
+ $msb <<= 1;
+ }
+ $x->_lshift($shift);
+ $y->_lshift($shift);
+ $y_value = &$y->value;
+
+ $x_max = count($x->value) - 1;
+ $y_max = count($y->value) - 1;
+
+ $quotient = new Math_BigInteger();
+ $quotient_value = &$quotient->value;
+ $quotient_value = $this->_array_repeat(0, $x_max - $y_max + 1);
+
+ static $temp, $lhs, $rhs;
+ if (!isset($temp)) {
+ $temp = new Math_BigInteger();
+ $lhs = new Math_BigInteger();
+ $rhs = new Math_BigInteger();
+ }
+ $temp_value = &$temp->value;
+ $rhs_value = &$rhs->value;
+
+ // $temp = $y << ($x_max - $y_max-1) in base 2**26
+ $temp_value = array_merge($this->_array_repeat(0, $x_max - $y_max), $y_value);
+
+ while ( $x->compare($temp) >= 0 ) {
+ // calculate the "common residue"
+ ++$quotient_value[$x_max - $y_max];
+ $x = $x->subtract($temp);
+ $x_max = count($x->value) - 1;
+ }
+
+ for ($i = $x_max; $i >= $y_max + 1; --$i) {
+ $x_value = &$x->value;
+ $x_window = array(
+ isset($x_value[$i]) ? $x_value[$i] : 0,
+ isset($x_value[$i - 1]) ? $x_value[$i - 1] : 0,
+ isset($x_value[$i - 2]) ? $x_value[$i - 2] : 0
+ );
+ $y_window = array(
+ $y_value[$y_max],
+ ( $y_max > 0 ) ? $y_value[$y_max - 1] : 0
+ );
+
+ $q_index = $i - $y_max - 1;
+ if ($x_window[0] == $y_window[0]) {
+ $quotient_value[$q_index] = MATH_BIGINTEGER_MAX_DIGIT;
+ } else {
+ $quotient_value[$q_index] = $this->_safe_divide(
+ $x_window[0] * MATH_BIGINTEGER_BASE_FULL + $x_window[1],
+ $y_window[0]
+ );
+ }
+
+ $temp_value = array($y_window[1], $y_window[0]);
+
+ $lhs->value = array($quotient_value[$q_index]);
+ $lhs = $lhs->multiply($temp);
+
+ $rhs_value = array($x_window[2], $x_window[1], $x_window[0]);
+
+ while ( $lhs->compare($rhs) > 0 ) {
+ --$quotient_value[$q_index];
+
+ $lhs->value = array($quotient_value[$q_index]);
+ $lhs = $lhs->multiply($temp);
+ }
+
+ $adjust = $this->_array_repeat(0, $q_index);
+ $temp_value = array($quotient_value[$q_index]);
+ $temp = $temp->multiply($y);
+ $temp_value = &$temp->value;
+ $temp_value = array_merge($adjust, $temp_value);
+
+ $x = $x->subtract($temp);
+
+ if ($x->compare($zero) < 0) {
+ $temp_value = array_merge($adjust, $y_value);
+ $x = $x->add($temp);
+
+ --$quotient_value[$q_index];
+ }
+
+ $x_max = count($x_value) - 1;
+ }
+
+ // unnormalize the remainder
+ $x->_rshift($shift);
+
+ $quotient->is_negative = $x_sign != $y_sign;
+
+ // calculate the "common residue", if appropriate
+ if ( $x_sign ) {
+ $y->_rshift($shift);
+ $x = $y->subtract($x);
+ }
+
+ return array($this->_normalize($quotient), $this->_normalize($x));
+ }
+
+ /**
+ * Divides a BigInteger by a regular integer
+ *
+ * abc / x = a00 / x + b0 / x + c / x
+ *
+ * @param Array $dividend
+ * @param Array $divisor
+ * @return Array
+ * @access private
+ */
+ function _divide_digit($dividend, $divisor)
+ {
+ $carry = 0;
+ $result = array();
+
+ for ($i = count($dividend) - 1; $i >= 0; --$i) {
+ $temp = MATH_BIGINTEGER_BASE_FULL * $carry + $dividend[$i];
+ $result[$i] = $this->_safe_divide($temp, $divisor);
+ $carry = (int) ($temp - $divisor * $result[$i]);
+ }
+
+ return array($result, $carry);
+ }
+
+ /**
+ * Performs modular exponentiation.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger('10');
+ * $b = new Math_BigInteger('20');
+ * $c = new Math_BigInteger('30');
+ *
+ * $c = $a->modPow($b, $c);
+ *
+ * echo $c->toString(); // outputs 10
+ * ?>
+ * </code>
+ *
+ * @param Math_BigInteger $e
+ * @param Math_BigInteger $n
+ * @return Math_BigInteger
+ * @access public
+ * @internal The most naive approach to modular exponentiation has very unreasonable requirements, and
+ * and although the approach involving repeated squaring does vastly better, it, too, is impractical
+ * for our purposes. The reason being that division - by far the most complicated and time-consuming
+ * of the basic operations (eg. +,-,*,/) - occurs multiple times within it.
+ *
+ * Modular reductions resolve this issue. Although an individual modular reduction takes more time
+ * then an individual division, when performed in succession (with the same modulo), they're a lot faster.
+ *
+ * The two most commonly used modular reductions are Barrett and Montgomery reduction. Montgomery reduction,
+ * although faster, only works when the gcd of the modulo and of the base being used is 1. In RSA, when the
+ * base is a power of two, the modulo - a product of two primes - is always going to have a gcd of 1 (because
+ * the product of two odd numbers is odd), but what about when RSA isn't used?
+ *
+ * In contrast, Barrett reduction has no such constraint. As such, some bigint implementations perform a
+ * Barrett reduction after every operation in the modpow function. Others perform Barrett reductions when the
+ * modulo is even and Montgomery reductions when the modulo is odd. BigInteger.java's modPow method, however,
+ * uses a trick involving the Chinese Remainder Theorem to factor the even modulo into two numbers - one odd and
+ * the other, a power of two - and recombine them, later. This is the method that this modPow function uses.
+ * {@link http://islab.oregonstate.edu/papers/j34monex.pdf Montgomery Reduction with Even Modulus} elaborates.
+ */
+ function modPow($e, $n)
+ {
+ $n = $this->bitmask !== false && $this->bitmask->compare($n) < 0 ? $this->bitmask : $n->abs();
+
+ if ($e->compare(new Math_BigInteger()) < 0) {
+ $e = $e->abs();
+
+ $temp = $this->modInverse($n);
+ if ($temp === false) {
+ return false;
+ }
+
+ return $this->_normalize($temp->modPow($e, $n));
+ }
+
+ if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP ) {
+ $temp = new Math_BigInteger();
+ $temp->value = gmp_powm($this->value, $e->value, $n->value);
+
+ return $this->_normalize($temp);
+ }
+
+ if ($this->compare(new Math_BigInteger()) < 0 || $this->compare($n) > 0) {
+ list(, $temp) = $this->divide($n);
+ return $temp->modPow($e, $n);
+ }
+
+ if (defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
+ $components = array(
+ 'modulus' => $n->toBytes(true),
+ 'publicExponent' => $e->toBytes(true)
+ );
+
+ $components = array(
+ 'modulus' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['modulus'])), $components['modulus']),
+ 'publicExponent' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['publicExponent'])), $components['publicExponent'])
+ );
+
+ $RSAPublicKey = pack('Ca*a*a*',
+ 48, $this->_encodeASN1Length(strlen($components['modulus']) + strlen($components['publicExponent'])),
+ $components['modulus'], $components['publicExponent']
+ );
+
+ $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA
+ $RSAPublicKey = chr(0) . $RSAPublicKey;
+ $RSAPublicKey = chr(3) . $this->_encodeASN1Length(strlen($RSAPublicKey)) . $RSAPublicKey;
+
+ $encapsulated = pack('Ca*a*',
+ 48, $this->_encodeASN1Length(strlen($rsaOID . $RSAPublicKey)), $rsaOID . $RSAPublicKey
+ );
+
+ $RSAPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" .
+ chunk_split(base64_encode($encapsulated)) .
+ '-----END PUBLIC KEY-----';
+
+ $plaintext = str_pad($this->toBytes(), strlen($n->toBytes(true)) - 1, "\0", STR_PAD_LEFT);
+
+ if (openssl_public_encrypt($plaintext, $result, $RSAPublicKey, OPENSSL_NO_PADDING)) {
+ return new Math_BigInteger($result, 256);
+ }
+ }
+
+ if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH ) {
+ $temp = new Math_BigInteger();
+ $temp->value = bcpowmod($this->value, $e->value, $n->value, 0);
+
+ return $this->_normalize($temp);
+ }
+
+ if ( empty($e->value) ) {
+ $temp = new Math_BigInteger();
+ $temp->value = array(1);
+ return $this->_normalize($temp);
+ }
+
+ if ( $e->value == array(1) ) {
+ list(, $temp) = $this->divide($n);
+ return $this->_normalize($temp);
+ }
+
+ if ( $e->value == array(2) ) {
+ $temp = new Math_BigInteger();
+ $temp->value = $this->_square($this->value);
+ list(, $temp) = $temp->divide($n);
+ return $this->_normalize($temp);
+ }
+
+ return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_BARRETT));
+
+ // the following code, although not callable, can be run independently of the above code
+ // although the above code performed better in my benchmarks the following could might
+ // perform better under different circumstances. in lieu of deleting it it's just been
+ // made uncallable
+
+ // is the modulo odd?
+ if ( $n->value[0] & 1 ) {
+ return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_MONTGOMERY));
+ }
+ // if it's not, it's even
+
+ // find the lowest set bit (eg. the max pow of 2 that divides $n)
+ for ($i = 0; $i < count($n->value); ++$i) {
+ if ( $n->value[$i] ) {
+ $temp = decbin($n->value[$i]);
+ $j = strlen($temp) - strrpos($temp, '1') - 1;
+ $j+= 26 * $i;
+ break;
+ }
+ }
+ // at this point, 2^$j * $n/(2^$j) == $n
+
+ $mod1 = $n->copy();
+ $mod1->_rshift($j);
+ $mod2 = new Math_BigInteger();
+ $mod2->value = array(1);
+ $mod2->_lshift($j);
+
+ $part1 = ( $mod1->value != array(1) ) ? $this->_slidingWindow($e, $mod1, MATH_BIGINTEGER_MONTGOMERY) : new Math_BigInteger();
+ $part2 = $this->_slidingWindow($e, $mod2, MATH_BIGINTEGER_POWEROF2);
+
+ $y1 = $mod2->modInverse($mod1);
+ $y2 = $mod1->modInverse($mod2);
+
+ $result = $part1->multiply($mod2);
+ $result = $result->multiply($y1);
+
+ $temp = $part2->multiply($mod1);
+ $temp = $temp->multiply($y2);
+
+ $result = $result->add($temp);
+ list(, $result) = $result->divide($n);
+
+ return $this->_normalize($result);
+ }
+
+ /**
+ * Performs modular exponentiation.
+ *
+ * Alias for Math_BigInteger::modPow()
+ *
+ * @param Math_BigInteger $e
+ * @param Math_BigInteger $n
+ * @return Math_BigInteger
+ * @access public
+ */
+ function powMod($e, $n)
+ {
+ return $this->modPow($e, $n);
+ }
+
+ /**
+ * Sliding Window k-ary Modular Exponentiation
+ *
+ * Based on {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=27 HAC 14.85} /
+ * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=210 MPM 7.7}. In a departure from those algorithims,
+ * however, this function performs a modular reduction after every multiplication and squaring operation.
+ * As such, this function has the same preconditions that the reductions being used do.
+ *
+ * @param Math_BigInteger $e
+ * @param Math_BigInteger $n
+ * @param Integer $mode
+ * @return Math_BigInteger
+ * @access private
+ */
+ function _slidingWindow($e, $n, $mode)
+ {
+ static $window_ranges = array(7, 25, 81, 241, 673, 1793); // from BigInteger.java's oddModPow function
+ //static $window_ranges = array(0, 7, 36, 140, 450, 1303, 3529); // from MPM 7.3.1
+
+ $e_value = $e->value;
+ $e_length = count($e_value) - 1;
+ $e_bits = decbin($e_value[$e_length]);
+ for ($i = $e_length - 1; $i >= 0; --$i) {
+ $e_bits.= str_pad(decbin($e_value[$i]), MATH_BIGINTEGER_BASE, '0', STR_PAD_LEFT);
+ }
+
+ $e_length = strlen($e_bits);
+
+ // calculate the appropriate window size.
+ // $window_size == 3 if $window_ranges is between 25 and 81, for example.
+ for ($i = 0, $window_size = 1; $e_length > $window_ranges[$i] && $i < count($window_ranges); ++$window_size, ++$i);
+
+ $n_value = $n->value;
+
+ // precompute $this^0 through $this^$window_size
+ $powers = array();
+ $powers[1] = $this->_prepareReduce($this->value, $n_value, $mode);
+ $powers[2] = $this->_squareReduce($powers[1], $n_value, $mode);
+
+ // we do every other number since substr($e_bits, $i, $j+1) (see below) is supposed to end
+ // in a 1. ie. it's supposed to be odd.
+ $temp = 1 << ($window_size - 1);
+ for ($i = 1; $i < $temp; ++$i) {
+ $i2 = $i << 1;
+ $powers[$i2 + 1] = $this->_multiplyReduce($powers[$i2 - 1], $powers[2], $n_value, $mode);
+ }
+
+ $result = array(1);
+ $result = $this->_prepareReduce($result, $n_value, $mode);
+
+ for ($i = 0; $i < $e_length; ) {
+ if ( !$e_bits[$i] ) {
+ $result = $this->_squareReduce($result, $n_value, $mode);
+ ++$i;
+ } else {
+ for ($j = $window_size - 1; $j > 0; --$j) {
+ if ( !empty($e_bits[$i + $j]) ) {
+ break;
+ }
+ }
+
+ for ($k = 0; $k <= $j; ++$k) {// eg. the length of substr($e_bits, $i, $j+1)
+ $result = $this->_squareReduce($result, $n_value, $mode);
+ }
+
+ $result = $this->_multiplyReduce($result, $powers[bindec(substr($e_bits, $i, $j + 1))], $n_value, $mode);
+
+ $i+=$j + 1;
+ }
+ }
+
+ $temp = new Math_BigInteger();
+ $temp->value = $this->_reduce($result, $n_value, $mode);
+
+ return $temp;
+ }
+
+ /**
+ * Modular reduction
+ *
+ * For most $modes this will return the remainder.
+ *
+ * @see _slidingWindow()
+ * @access private
+ * @param Array $x
+ * @param Array $n
+ * @param Integer $mode
+ * @return Array
+ */
+ function _reduce($x, $n, $mode)
+ {
+ switch ($mode) {
+ case MATH_BIGINTEGER_MONTGOMERY:
+ return $this->_montgomery($x, $n);
+ case MATH_BIGINTEGER_BARRETT:
+ return $this->_barrett($x, $n);
+ case MATH_BIGINTEGER_POWEROF2:
+ $lhs = new Math_BigInteger();
+ $lhs->value = $x;
+ $rhs = new Math_BigInteger();
+ $rhs->value = $n;
+ return $x->_mod2($n);
+ case MATH_BIGINTEGER_CLASSIC:
+ $lhs = new Math_BigInteger();
+ $lhs->value = $x;
+ $rhs = new Math_BigInteger();
+ $rhs->value = $n;
+ list(, $temp) = $lhs->divide($rhs);
+ return $temp->value;
+ case MATH_BIGINTEGER_NONE:
+ return $x;
+ default:
+ // an invalid $mode was provided
+ }
+ }
+
+ /**
+ * Modular reduction preperation
+ *
+ * @see _slidingWindow()
+ * @access private
+ * @param Array $x
+ * @param Array $n
+ * @param Integer $mode
+ * @return Array
+ */
+ function _prepareReduce($x, $n, $mode)
+ {
+ if ($mode == MATH_BIGINTEGER_MONTGOMERY) {
+ return $this->_prepMontgomery($x, $n);
+ }
+ return $this->_reduce($x, $n, $mode);
+ }
+
+ /**
+ * Modular multiply
+ *
+ * @see _slidingWindow()
+ * @access private
+ * @param Array $x
+ * @param Array $y
+ * @param Array $n
+ * @param Integer $mode
+ * @return Array
+ */
+ function _multiplyReduce($x, $y, $n, $mode)
+ {
+ if ($mode == MATH_BIGINTEGER_MONTGOMERY) {
+ return $this->_montgomeryMultiply($x, $y, $n);
+ }
+ $temp = $this->_multiply($x, false, $y, false);
+ return $this->_reduce($temp[MATH_BIGINTEGER_VALUE], $n, $mode);
+ }
+
+ /**
+ * Modular square
+ *
+ * @see _slidingWindow()
+ * @access private
+ * @param Array $x
+ * @param Array $n
+ * @param Integer $mode
+ * @return Array
+ */
+ function _squareReduce($x, $n, $mode)
+ {
+ if ($mode == MATH_BIGINTEGER_MONTGOMERY) {
+ return $this->_montgomeryMultiply($x, $x, $n);
+ }
+ return $this->_reduce($this->_square($x), $n, $mode);
+ }
+
+ /**
+ * Modulos for Powers of Two
+ *
+ * Calculates $x%$n, where $n = 2**$e, for some $e. Since this is basically the same as doing $x & ($n-1),
+ * we'll just use this function as a wrapper for doing that.
+ *
+ * @see _slidingWindow()
+ * @access private
+ * @param Math_BigInteger
+ * @return Math_BigInteger
+ */
+ function _mod2($n)
+ {
+ $temp = new Math_BigInteger();
+ $temp->value = array(1);
+ return $this->bitwise_and($n->subtract($temp));
+ }
+
+ /**
+ * Barrett Modular Reduction
+ *
+ * See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=14 HAC 14.3.3} /
+ * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=165 MPM 6.2.5} for more information. Modified slightly,
+ * so as not to require negative numbers (initially, this script didn't support negative numbers).
+ *
+ * Employs "folding", as described at
+ * {@link http://www.cosic.esat.kuleuven.be/publications/thesis-149.pdf#page=66 thesis-149.pdf#page=66}. To quote from
+ * it, "the idea [behind folding] is to find a value x' such that x (mod m) = x' (mod m), with x' being smaller than x."
+ *
+ * Unfortunately, the "Barrett Reduction with Folding" algorithm described in thesis-149.pdf is not, as written, all that
+ * usable on account of (1) its not using reasonable radix points as discussed in
+ * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=162 MPM 6.2.2} and (2) the fact that, even with reasonable
+ * radix points, it only works when there are an even number of digits in the denominator. The reason for (2) is that
+ * (x >> 1) + (x >> 1) != x / 2 + x / 2. If x is even, they're the same, but if x is odd, they're not. See the in-line
+ * comments for details.
+ *
+ * @see _slidingWindow()
+ * @access private
+ * @param Array $n
+ * @param Array $m
+ * @return Array
+ */
+ function _barrett($n, $m)
+ {
+ static $cache = array(
+ MATH_BIGINTEGER_VARIABLE => array(),
+ MATH_BIGINTEGER_DATA => array()
+ );
+
+ $m_length = count($m);
+
+ // if ($this->_compare($n, $this->_square($m)) >= 0) {
+ if (count($n) > 2 * $m_length) {
+ $lhs = new Math_BigInteger();
+ $rhs = new Math_BigInteger();
+ $lhs->value = $n;
+ $rhs->value = $m;
+ list(, $temp) = $lhs->divide($rhs);
+ return $temp->value;
+ }
+
+ // if (m.length >> 1) + 2 <= m.length then m is too small and n can't be reduced
+ if ($m_length < 5) {
+ return $this->_regularBarrett($n, $m);
+ }
+
+ // n = 2 * m.length
+
+ if ( ($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) {
+ $key = count($cache[MATH_BIGINTEGER_VARIABLE]);
+ $cache[MATH_BIGINTEGER_VARIABLE][] = $m;
+
+ $lhs = new Math_BigInteger();
+ $lhs_value = &$lhs->value;
+ $lhs_value = $this->_array_repeat(0, $m_length + ($m_length >> 1));
+ $lhs_value[] = 1;
+ $rhs = new Math_BigInteger();
+ $rhs->value = $m;
+
+ list($u, $m1) = $lhs->divide($rhs);
+ $u = $u->value;
+ $m1 = $m1->value;
+
+ $cache[MATH_BIGINTEGER_DATA][] = array(
+ 'u' => $u, // m.length >> 1 (technically (m.length >> 1) + 1)
+ 'm1'=> $m1 // m.length
+ );
+ } else {
+ extract($cache[MATH_BIGINTEGER_DATA][$key]);
+ }
+
+ $cutoff = $m_length + ($m_length >> 1);
+ $lsd = array_slice($n, 0, $cutoff); // m.length + (m.length >> 1)
+ $msd = array_slice($n, $cutoff); // m.length >> 1
+ $lsd = $this->_trim($lsd);
+ $temp = $this->_multiply($msd, false, $m1, false);
+ $n = $this->_add($lsd, false, $temp[MATH_BIGINTEGER_VALUE], false); // m.length + (m.length >> 1) + 1
+
+ if ($m_length & 1) {
+ return $this->_regularBarrett($n[MATH_BIGINTEGER_VALUE], $m);
+ }
+
+ // (m.length + (m.length >> 1) + 1) - (m.length - 1) == (m.length >> 1) + 2
+ $temp = array_slice($n[MATH_BIGINTEGER_VALUE], $m_length - 1);
+ // if even: ((m.length >> 1) + 2) + (m.length >> 1) == m.length + 2
+ // if odd: ((m.length >> 1) + 2) + (m.length >> 1) == (m.length - 1) + 2 == m.length + 1
+ $temp = $this->_multiply($temp, false, $u, false);
+ // if even: (m.length + 2) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) + 1
+ // if odd: (m.length + 1) - ((m.length >> 1) + 1) = m.length - (m.length >> 1)
+ $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], ($m_length >> 1) + 1);
+ // if even: (m.length - (m.length >> 1) + 1) + m.length = 2 * m.length - (m.length >> 1) + 1
+ // if odd: (m.length - (m.length >> 1)) + m.length = 2 * m.length - (m.length >> 1)
+ $temp = $this->_multiply($temp, false, $m, false);
+
+ // at this point, if m had an odd number of digits, we'd be subtracting a 2 * m.length - (m.length >> 1) digit
+ // number from a m.length + (m.length >> 1) + 1 digit number. ie. there'd be an extra digit and the while loop
+ // following this comment would loop a lot (hence our calling _regularBarrett() in that situation).
+
+ $result = $this->_subtract($n[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false);
+
+ while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false) >= 0) {
+ $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false);
+ }
+
+ return $result[MATH_BIGINTEGER_VALUE];
+ }
+
+ /**
+ * (Regular) Barrett Modular Reduction
+ *
+ * For numbers with more than four digits Math_BigInteger::_barrett() is faster. The difference between that and this
+ * is that this function does not fold the denominator into a smaller form.
+ *
+ * @see _slidingWindow()
+ * @access private
+ * @param Array $x
+ * @param Array $n
+ * @return Array
+ */
+ function _regularBarrett($x, $n)
+ {
+ static $cache = array(
+ MATH_BIGINTEGER_VARIABLE => array(),
+ MATH_BIGINTEGER_DATA => array()
+ );
+
+ $n_length = count($n);
+
+ if (count($x) > 2 * $n_length) {
+ $lhs = new Math_BigInteger();
+ $rhs = new Math_BigInteger();
+ $lhs->value = $x;
+ $rhs->value = $n;
+ list(, $temp) = $lhs->divide($rhs);
+ return $temp->value;
+ }
+
+ if ( ($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) {
+ $key = count($cache[MATH_BIGINTEGER_VARIABLE]);
+ $cache[MATH_BIGINTEGER_VARIABLE][] = $n;
+ $lhs = new Math_BigInteger();
+ $lhs_value = &$lhs->value;
+ $lhs_value = $this->_array_repeat(0, 2 * $n_length);
+ $lhs_value[] = 1;
+ $rhs = new Math_BigInteger();
+ $rhs->value = $n;
+ list($temp, ) = $lhs->divide($rhs); // m.length
+ $cache[MATH_BIGINTEGER_DATA][] = $temp->value;
+ }
+
+ // 2 * m.length - (m.length - 1) = m.length + 1
+ $temp = array_slice($x, $n_length - 1);
+ // (m.length + 1) + m.length = 2 * m.length + 1
+ $temp = $this->_multiply($temp, false, $cache[MATH_BIGINTEGER_DATA][$key], false);
+ // (2 * m.length + 1) - (m.length - 1) = m.length + 2
+ $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], $n_length + 1);
+
+ // m.length + 1
+ $result = array_slice($x, 0, $n_length + 1);
+ // m.length + 1
+ $temp = $this->_multiplyLower($temp, false, $n, false, $n_length + 1);
+ // $temp == array_slice($temp->_multiply($temp, false, $n, false)->value, 0, $n_length + 1)
+
+ if ($this->_compare($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]) < 0) {
+ $corrector_value = $this->_array_repeat(0, $n_length + 1);
+ $corrector_value[] = 1;
+ $result = $this->_add($result, false, $corrector_value, false);
+ $result = $result[MATH_BIGINTEGER_VALUE];
+ }
+
+ // at this point, we're subtracting a number with m.length + 1 digits from another number with m.length + 1 digits
+ $result = $this->_subtract($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]);
+ while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false) > 0) {
+ $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false);
+ }
+
+ return $result[MATH_BIGINTEGER_VALUE];
+ }
+
+ /**
+ * Performs long multiplication up to $stop digits
+ *
+ * If you're going to be doing array_slice($product->value, 0, $stop), some cycles can be saved.
+ *
+ * @see _regularBarrett()
+ * @param Array $x_value
+ * @param Boolean $x_negative
+ * @param Array $y_value
+ * @param Boolean $y_negative
+ * @param Integer $stop
+ * @return Array
+ * @access private
+ */
+ function _multiplyLower($x_value, $x_negative, $y_value, $y_negative, $stop)
+ {
+ $x_length = count($x_value);
+ $y_length = count($y_value);
+
+ if ( !$x_length || !$y_length ) { // a 0 is being multiplied
+ return array(
+ MATH_BIGINTEGER_VALUE => array(),
+ MATH_BIGINTEGER_SIGN => false
+ );
+ }
+
+ if ( $x_length < $y_length ) {
+ $temp = $x_value;
+ $x_value = $y_value;
+ $y_value = $temp;
+
+ $x_length = count($x_value);
+ $y_length = count($y_value);
+ }
+
+ $product_value = $this->_array_repeat(0, $x_length + $y_length);
+
+ // the following for loop could be removed if the for loop following it
+ // (the one with nested for loops) initially set $i to 0, but
+ // doing so would also make the result in one set of unnecessary adds,
+ // since on the outermost loops first pass, $product->value[$k] is going
+ // to always be 0
+
+ $carry = 0;
+
+ for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0, $k = $i
+ $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0
+ $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
+ $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
+ }
+
+ if ($j < $stop) {
+ $product_value[$j] = $carry;
+ }
+
+ // the above for loop is what the previous comment was talking about. the
+ // following for loop is the "one with nested for loops"
+
+ for ($i = 1; $i < $y_length; ++$i) {
+ $carry = 0;
+
+ for ($j = 0, $k = $i; $j < $x_length && $k < $stop; ++$j, ++$k) {
+ $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry;
+ $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
+ $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
+ }
+
+ if ($k < $stop) {
+ $product_value[$k] = $carry;
+ }
+ }
+
+ return array(
+ MATH_BIGINTEGER_VALUE => $this->_trim($product_value),
+ MATH_BIGINTEGER_SIGN => $x_negative != $y_negative
+ );
+ }
+
+ /**
+ * Montgomery Modular Reduction
+ *
+ * ($x->_prepMontgomery($n))->_montgomery($n) yields $x % $n.
+ * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=170 MPM 6.3} provides insights on how this can be
+ * improved upon (basically, by using the comba method). gcd($n, 2) must be equal to one for this function
+ * to work correctly.
+ *
+ * @see _prepMontgomery()
+ * @see _slidingWindow()
+ * @access private
+ * @param Array $x
+ * @param Array $n
+ * @return Array
+ */
+ function _montgomery($x, $n)
+ {
+ static $cache = array(
+ MATH_BIGINTEGER_VARIABLE => array(),
+ MATH_BIGINTEGER_DATA => array()
+ );
+
+ if ( ($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) {
+ $key = count($cache[MATH_BIGINTEGER_VARIABLE]);
+ $cache[MATH_BIGINTEGER_VARIABLE][] = $x;
+ $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($n);
+ }
+
+ $k = count($n);
+
+ $result = array(MATH_BIGINTEGER_VALUE => $x);
+
+ for ($i = 0; $i < $k; ++$i) {
+ $temp = $result[MATH_BIGINTEGER_VALUE][$i] * $cache[MATH_BIGINTEGER_DATA][$key];
+ $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31));
+ $temp = $this->_regularMultiply(array($temp), $n);
+ $temp = array_merge($this->_array_repeat(0, $i), $temp);
+ $result = $this->_add($result[MATH_BIGINTEGER_VALUE], false, $temp, false);
+ }
+
+ $result[MATH_BIGINTEGER_VALUE] = array_slice($result[MATH_BIGINTEGER_VALUE], $k);
+
+ if ($this->_compare($result, false, $n, false) >= 0) {
+ $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], false, $n, false);
+ }
+
+ return $result[MATH_BIGINTEGER_VALUE];
+ }
+
+ /**
+ * Montgomery Multiply
+ *
+ * Interleaves the montgomery reduction and long multiplication algorithms together as described in
+ * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=13 HAC 14.36}
+ *
+ * @see _prepMontgomery()
+ * @see _montgomery()
+ * @access private
+ * @param Array $x
+ * @param Array $y
+ * @param Array $m
+ * @return Array
+ */
+ function _montgomeryMultiply($x, $y, $m)
+ {
+ $temp = $this->_multiply($x, false, $y, false);
+ return $this->_montgomery($temp[MATH_BIGINTEGER_VALUE], $m);
+
+ // the following code, although not callable, can be run independently of the above code
+ // although the above code performed better in my benchmarks the following could might
+ // perform better under different circumstances. in lieu of deleting it it's just been
+ // made uncallable
+
+ static $cache = array(
+ MATH_BIGINTEGER_VARIABLE => array(),
+ MATH_BIGINTEGER_DATA => array()
+ );
+
+ if ( ($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) {
+ $key = count($cache[MATH_BIGINTEGER_VARIABLE]);
+ $cache[MATH_BIGINTEGER_VARIABLE][] = $m;
+ $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($m);
+ }
+
+ $n = max(count($x), count($y), count($m));
+ $x = array_pad($x, $n, 0);
+ $y = array_pad($y, $n, 0);
+ $m = array_pad($m, $n, 0);
+ $a = array(MATH_BIGINTEGER_VALUE => $this->_array_repeat(0, $n + 1));
+ for ($i = 0; $i < $n; ++$i) {
+ $temp = $a[MATH_BIGINTEGER_VALUE][0] + $x[$i] * $y[0];
+ $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31));
+ $temp = $temp * $cache[MATH_BIGINTEGER_DATA][$key];
+ $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31));
+ $temp = $this->_add($this->_regularMultiply(array($x[$i]), $y), false, $this->_regularMultiply(array($temp), $m), false);
+ $a = $this->_add($a[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false);
+ $a[MATH_BIGINTEGER_VALUE] = array_slice($a[MATH_BIGINTEGER_VALUE], 1);
+ }
+ if ($this->_compare($a[MATH_BIGINTEGER_VALUE], false, $m, false) >= 0) {
+ $a = $this->_subtract($a[MATH_BIGINTEGER_VALUE], false, $m, false);
+ }
+ return $a[MATH_BIGINTEGER_VALUE];
+ }
+
+ /**
+ * Prepare a number for use in Montgomery Modular Reductions
+ *
+ * @see _montgomery()
+ * @see _slidingWindow()
+ * @access private
+ * @param Array $x
+ * @param Array $n
+ * @return Array
+ */
+ function _prepMontgomery($x, $n)
+ {
+ $lhs = new Math_BigInteger();
+ $lhs->value = array_merge($this->_array_repeat(0, count($n)), $x);
+ $rhs = new Math_BigInteger();
+ $rhs->value = $n;
+
+ list(, $temp) = $lhs->divide($rhs);
+ return $temp->value;
+ }
+
+ /**
+ * Modular Inverse of a number mod 2**26 (eg. 67108864)
+ *
+ * Based off of the bnpInvDigit function implemented and justified in the following URL:
+ *
+ * {@link http://www-cs-students.stanford.edu/~tjw/jsbn/jsbn.js}
+ *
+ * The following URL provides more info:
+ *
+ * {@link http://groups.google.com/group/sci.crypt/msg/7a137205c1be7d85}
+ *
+ * As for why we do all the bitmasking... strange things can happen when converting from floats to ints. For
+ * instance, on some computers, var_dump((int) -4294967297) yields int(-1) and on others, it yields
+ * int(-2147483648). To avoid problems stemming from this, we use bitmasks to guarantee that ints aren't
+ * auto-converted to floats. The outermost bitmask is present because without it, there's no guarantee that
+ * the "residue" returned would be the so-called "common residue". We use fmod, in the last step, because the
+ * maximum possible $x is 26 bits and the maximum $result is 16 bits. Thus, we have to be able to handle up to
+ * 40 bits, which only 64-bit floating points will support.
+ *
+ * Thanks to Pedro Gimeno Fortea for input!
+ *
+ * @see _montgomery()
+ * @access private
+ * @param Array $x
+ * @return Integer
+ */
+ function _modInverse67108864($x) // 2**26 == 67,108,864
+ {
+ $x = -$x[0];
+ $result = $x & 0x3; // x**-1 mod 2**2
+ $result = ($result * (2 - $x * $result)) & 0xF; // x**-1 mod 2**4
+ $result = ($result * (2 - ($x & 0xFF) * $result)) & 0xFF; // x**-1 mod 2**8
+ $result = ($result * ((2 - ($x & 0xFFFF) * $result) & 0xFFFF)) & 0xFFFF; // x**-1 mod 2**16
+ $result = fmod($result * (2 - fmod($x * $result, MATH_BIGINTEGER_BASE_FULL)), MATH_BIGINTEGER_BASE_FULL); // x**-1 mod 2**26
+ return $result & MATH_BIGINTEGER_MAX_DIGIT;
+ }
+
+ /**
+ * Calculates modular inverses.
+ *
+ * Say you have (30 mod 17 * x mod 17) mod 17 == 1. x can be found using modular inverses.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger(30);
+ * $b = new Math_BigInteger(17);
+ *
+ * $c = $a->modInverse($b);
+ * echo $c->toString(); // outputs 4
+ *
+ * echo "\r\n";
+ *
+ * $d = $a->multiply($c);
+ * list(, $d) = $d->divide($b);
+ * echo $d; // outputs 1 (as per the definition of modular inverse)
+ * ?>
+ * </code>
+ *
+ * @param Math_BigInteger $n
+ * @return mixed false, if no modular inverse exists, Math_BigInteger, otherwise.
+ * @access public
+ * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=21 HAC 14.64} for more information.
+ */
+ function modInverse($n)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $temp = new Math_BigInteger();
+ $temp->value = gmp_invert($this->value, $n->value);
+
+ return ( $temp->value === false ) ? false : $this->_normalize($temp);
+ }
+
+ static $zero, $one;
+ if (!isset($zero)) {
+ $zero = new Math_BigInteger();
+ $one = new Math_BigInteger(1);
+ }
+
+ // $x mod -$n == $x mod $n.
+ $n = $n->abs();
+
+ if ($this->compare($zero) < 0) {
+ $temp = $this->abs();
+ $temp = $temp->modInverse($n);
+ return $this->_normalize($n->subtract($temp));
+ }
+
+ extract($this->extendedGCD($n));
+
+ if (!$gcd->equals($one)) {
+ return false;
+ }
+
+ $x = $x->compare($zero) < 0 ? $x->add($n) : $x;
+
+ return $this->compare($zero) < 0 ? $this->_normalize($n->subtract($x)) : $this->_normalize($x);
+ }
+
+ /**
+ * Calculates the greatest common divisor and Bezout's identity.
+ *
+ * Say you have 693 and 609. The GCD is 21. Bezout's identity states that there exist integers x and y such that
+ * 693*x + 609*y == 21. In point of fact, there are actually an infinite number of x and y combinations and which
+ * combination is returned is dependant upon which mode is in use. See
+ * {@link http://en.wikipedia.org/wiki/B%C3%A9zout%27s_identity Bezout's identity - Wikipedia} for more information.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger(693);
+ * $b = new Math_BigInteger(609);
+ *
+ * extract($a->extendedGCD($b));
+ *
+ * echo $gcd->toString() . "\r\n"; // outputs 21
+ * echo $a->toString() * $x->toString() + $b->toString() * $y->toString(); // outputs 21
+ * ?>
+ * </code>
+ *
+ * @param Math_BigInteger $n
+ * @return Math_BigInteger
+ * @access public
+ * @internal Calculates the GCD using the binary xGCD algorithim described in
+ * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=19 HAC 14.61}. As the text above 14.61 notes,
+ * the more traditional algorithim requires "relatively costly multiple-precision divisions".
+ */
+ function extendedGCD($n)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ extract(gmp_gcdext($this->value, $n->value));
+
+ return array(
+ 'gcd' => $this->_normalize(new Math_BigInteger($g)),
+ 'x' => $this->_normalize(new Math_BigInteger($s)),
+ 'y' => $this->_normalize(new Math_BigInteger($t))
+ );
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ // it might be faster to use the binary xGCD algorithim here, as well, but (1) that algorithim works
+ // best when the base is a power of 2 and (2) i don't think it'd make much difference, anyway. as is,
+ // the basic extended euclidean algorithim is what we're using.
+
+ $u = $this->value;
+ $v = $n->value;
+
+ $a = '1';
+ $b = '0';
+ $c = '0';
+ $d = '1';
+
+ while (bccomp($v, '0', 0) != 0) {
+ $q = bcdiv($u, $v, 0);
+
+ $temp = $u;
+ $u = $v;
+ $v = bcsub($temp, bcmul($v, $q, 0), 0);
+
+ $temp = $a;
+ $a = $c;
+ $c = bcsub($temp, bcmul($a, $q, 0), 0);
+
+ $temp = $b;
+ $b = $d;
+ $d = bcsub($temp, bcmul($b, $q, 0), 0);
+ }
+
+ return array(
+ 'gcd' => $this->_normalize(new Math_BigInteger($u)),
+ 'x' => $this->_normalize(new Math_BigInteger($a)),
+ 'y' => $this->_normalize(new Math_BigInteger($b))
+ );
+ }
+
+ $y = $n->copy();
+ $x = $this->copy();
+ $g = new Math_BigInteger();
+ $g->value = array(1);
+
+ while ( !(($x->value[0] & 1)|| ($y->value[0] & 1)) ) {
+ $x->_rshift(1);
+ $y->_rshift(1);
+ $g->_lshift(1);
+ }
+
+ $u = $x->copy();
+ $v = $y->copy();
+
+ $a = new Math_BigInteger();
+ $b = new Math_BigInteger();
+ $c = new Math_BigInteger();
+ $d = new Math_BigInteger();
+
+ $a->value = $d->value = $g->value = array(1);
+ $b->value = $c->value = array();
+
+ while ( !empty($u->value) ) {
+ while ( !($u->value[0] & 1) ) {
+ $u->_rshift(1);
+ if ( (!empty($a->value) && ($a->value[0] & 1)) || (!empty($b->value) && ($b->value[0] & 1)) ) {
+ $a = $a->add($y);
+ $b = $b->subtract($x);
+ }
+ $a->_rshift(1);
+ $b->_rshift(1);
+ }
+
+ while ( !($v->value[0] & 1) ) {
+ $v->_rshift(1);
+ if ( (!empty($d->value) && ($d->value[0] & 1)) || (!empty($c->value) && ($c->value[0] & 1)) ) {
+ $c = $c->add($y);
+ $d = $d->subtract($x);
+ }
+ $c->_rshift(1);
+ $d->_rshift(1);
+ }
+
+ if ($u->compare($v) >= 0) {
+ $u = $u->subtract($v);
+ $a = $a->subtract($c);
+ $b = $b->subtract($d);
+ } else {
+ $v = $v->subtract($u);
+ $c = $c->subtract($a);
+ $d = $d->subtract($b);
+ }
+ }
+
+ return array(
+ 'gcd' => $this->_normalize($g->multiply($v)),
+ 'x' => $this->_normalize($c),
+ 'y' => $this->_normalize($d)
+ );
+ }
+
+ /**
+ * Calculates the greatest common divisor
+ *
+ * Say you have 693 and 609. The GCD is 21.
+ *
+ * Here's an example:
+ * <code>
+ * <?php
+ * include 'Math/BigInteger.php';
+ *
+ * $a = new Math_BigInteger(693);
+ * $b = new Math_BigInteger(609);
+ *
+ * $gcd = a->extendedGCD($b);
+ *
+ * echo $gcd->toString() . "\r\n"; // outputs 21
+ * ?>
+ * </code>
+ *
+ * @param Math_BigInteger $n
+ * @return Math_BigInteger
+ * @access public
+ */
+ function gcd($n)
+ {
+ extract($this->extendedGCD($n));
+ return $gcd;
+ }
+
+ /**
+ * Absolute value.
+ *
+ * @return Math_BigInteger
+ * @access public
+ */
+ function abs()
+ {
+ $temp = new Math_BigInteger();
+
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $temp->value = gmp_abs($this->value);
+ break;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $temp->value = (bccomp($this->value, '0', 0) < 0) ? substr($this->value, 1) : $this->value;
+ break;
+ default:
+ $temp->value = $this->value;
+ }
+
+ return $temp;
+ }
+
+ /**
+ * Compares two numbers.
+ *
+ * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite. The reason for this is
+ * demonstrated thusly:
+ *
+ * $x > $y: $x->compare($y) > 0
+ * $x < $y: $x->compare($y) < 0
+ * $x == $y: $x->compare($y) == 0
+ *
+ * Note how the same comparison operator is used. If you want to test for equality, use $x->equals($y).
+ *
+ * @param Math_BigInteger $y
+ * @return Integer < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal.
+ * @access public
+ * @see equals()
+ * @internal Could return $this->subtract($x), but that's not as fast as what we do do.
+ */
+ function compare($y)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ return gmp_cmp($this->value, $y->value);
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ return bccomp($this->value, $y->value, 0);
+ }
+
+ return $this->_compare($this->value, $this->is_negative, $y->value, $y->is_negative);
+ }
+
+ /**
+ * Compares two numbers.
+ *
+ * @param Array $x_value
+ * @param Boolean $x_negative
+ * @param Array $y_value
+ * @param Boolean $y_negative
+ * @return Integer
+ * @see compare()
+ * @access private
+ */
+ function _compare($x_value, $x_negative, $y_value, $y_negative)
+ {
+ if ( $x_negative != $y_negative ) {
+ return ( !$x_negative && $y_negative ) ? 1 : -1;
+ }
+
+ $result = $x_negative ? -1 : 1;
+
+ if ( count($x_value) != count($y_value) ) {
+ return ( count($x_value) > count($y_value) ) ? $result : -$result;
+ }
+ $size = max(count($x_value), count($y_value));
+
+ $x_value = array_pad($x_value, $size, 0);
+ $y_value = array_pad($y_value, $size, 0);
+
+ for ($i = count($x_value) - 1; $i >= 0; --$i) {
+ if ($x_value[$i] != $y_value[$i]) {
+ return ( $x_value[$i] > $y_value[$i] ) ? $result : -$result;
+ }
+ }
+
+ return 0;
+ }
+
+ /**
+ * Tests the equality of two numbers.
+ *
+ * If you need to see if one number is greater than or less than another number, use Math_BigInteger::compare()
+ *
+ * @param Math_BigInteger $x
+ * @return Boolean
+ * @access public
+ * @see compare()
+ */
+ function equals($x)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ return gmp_cmp($this->value, $x->value) == 0;
+ default:
+ return $this->value === $x->value && $this->is_negative == $x->is_negative;
+ }
+ }
+
+ /**
+ * Set Precision
+ *
+ * Some bitwise operations give different results depending on the precision being used. Examples include left
+ * shift, not, and rotates.
+ *
+ * @param Integer $bits
+ * @access public
+ */
+ function setPrecision($bits)
+ {
+ $this->precision = $bits;
+ if ( MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH ) {
+ $this->bitmask = new Math_BigInteger(chr((1 << ($bits & 0x7)) - 1) . str_repeat(chr(0xFF), $bits >> 3), 256);
+ } else {
+ $this->bitmask = new Math_BigInteger(bcpow('2', $bits, 0));
+ }
+
+ $temp = $this->_normalize($this);
+ $this->value = $temp->value;
+ }
+
+ /**
+ * Logical And
+ *
+ * @param Math_BigInteger $x
+ * @access public
+ * @internal Implemented per a request by Lluis Pamies i Juarez <lluis _a_ pamies.cat>
+ * @return Math_BigInteger
+ */
+ function bitwise_and($x)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $temp = new Math_BigInteger();
+ $temp->value = gmp_and($this->value, $x->value);
+
+ return $this->_normalize($temp);
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $left = $this->toBytes();
+ $right = $x->toBytes();
+
+ $length = max(strlen($left), strlen($right));
+
+ $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
+ $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);
+
+ return $this->_normalize(new Math_BigInteger($left & $right, 256));
+ }
+
+ $result = $this->copy();
+
+ $length = min(count($x->value), count($this->value));
+
+ $result->value = array_slice($result->value, 0, $length);
+
+ for ($i = 0; $i < $length; ++$i) {
+ $result->value[$i]&= $x->value[$i];
+ }
+
+ return $this->_normalize($result);
+ }
+
+ /**
+ * Logical Or
+ *
+ * @param Math_BigInteger $x
+ * @access public
+ * @internal Implemented per a request by Lluis Pamies i Juarez <lluis _a_ pamies.cat>
+ * @return Math_BigInteger
+ */
+ function bitwise_or($x)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $temp = new Math_BigInteger();
+ $temp->value = gmp_or($this->value, $x->value);
+
+ return $this->_normalize($temp);
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $left = $this->toBytes();
+ $right = $x->toBytes();
+
+ $length = max(strlen($left), strlen($right));
+
+ $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
+ $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);
+
+ return $this->_normalize(new Math_BigInteger($left | $right, 256));
+ }
+
+ $length = max(count($this->value), count($x->value));
+ $result = $this->copy();
+ $result->value = array_pad($result->value, $length, 0);
+ $x->value = array_pad($x->value, $length, 0);
+
+ for ($i = 0; $i < $length; ++$i) {
+ $result->value[$i]|= $x->value[$i];
+ }
+
+ return $this->_normalize($result);
+ }
+
+ /**
+ * Logical Exclusive-Or
+ *
+ * @param Math_BigInteger $x
+ * @access public
+ * @internal Implemented per a request by Lluis Pamies i Juarez <lluis _a_ pamies.cat>
+ * @return Math_BigInteger
+ */
+ function bitwise_xor($x)
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ $temp = new Math_BigInteger();
+ $temp->value = gmp_xor($this->value, $x->value);
+
+ return $this->_normalize($temp);
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $left = $this->toBytes();
+ $right = $x->toBytes();
+
+ $length = max(strlen($left), strlen($right));
+
+ $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
+ $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);
+
+ return $this->_normalize(new Math_BigInteger($left ^ $right, 256));
+ }
+
+ $length = max(count($this->value), count($x->value));
+ $result = $this->copy();
+ $result->value = array_pad($result->value, $length, 0);
+ $x->value = array_pad($x->value, $length, 0);
+
+ for ($i = 0; $i < $length; ++$i) {
+ $result->value[$i]^= $x->value[$i];
+ }
+
+ return $this->_normalize($result);
+ }
+
+ /**
+ * Logical Not
+ *
+ * @access public
+ * @internal Implemented per a request by Lluis Pamies i Juarez <lluis _a_ pamies.cat>
+ * @return Math_BigInteger
+ */
+ function bitwise_not()
+ {
+ // calculuate "not" without regard to $this->precision
+ // (will always result in a smaller number. ie. ~1 isn't 1111 1110 - it's 0)
+ $temp = $this->toBytes();
+ $pre_msb = decbin(ord($temp[0]));
+ $temp = ~$temp;
+ $msb = decbin(ord($temp[0]));
+ if (strlen($msb) == 8) {
+ $msb = substr($msb, strpos($msb, '0'));
+ }
+ $temp[0] = chr(bindec($msb));
+
+ // see if we need to add extra leading 1's
+ $current_bits = strlen($pre_msb) + 8 * strlen($temp) - 8;
+ $new_bits = $this->precision - $current_bits;
+ if ($new_bits <= 0) {
+ return $this->_normalize(new Math_BigInteger($temp, 256));
+ }
+
+ // generate as many leading 1's as we need to.
+ $leading_ones = chr((1 << ($new_bits & 0x7)) - 1) . str_repeat(chr(0xFF), $new_bits >> 3);
+ $this->_base256_lshift($leading_ones, $current_bits);
+
+ $temp = str_pad($temp, ceil($this->bits / 8), chr(0), STR_PAD_LEFT);
+
+ return $this->_normalize(new Math_BigInteger($leading_ones | $temp, 256));
+ }
+
+ /**
+ * Logical Right Shift
+ *
+ * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift.
+ *
+ * @param Integer $shift
+ * @return Math_BigInteger
+ * @access public
+ * @internal The only version that yields any speed increases is the internal version.
+ */
+ function bitwise_rightShift($shift)
+ {
+ $temp = new Math_BigInteger();
+
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ static $two;
+
+ if (!isset($two)) {
+ $two = gmp_init('2');
+ }
+
+ $temp->value = gmp_div_q($this->value, gmp_pow($two, $shift));
+
+ break;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $temp->value = bcdiv($this->value, bcpow('2', $shift, 0), 0);
+
+ break;
+ default: // could just replace _lshift with this, but then all _lshift() calls would need to be rewritten
+ // and I don't want to do that...
+ $temp->value = $this->value;
+ $temp->_rshift($shift);
+ }
+
+ return $this->_normalize($temp);
+ }
+
+ /**
+ * Logical Left Shift
+ *
+ * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift.
+ *
+ * @param Integer $shift
+ * @return Math_BigInteger
+ * @access public
+ * @internal The only version that yields any speed increases is the internal version.
+ */
+ function bitwise_leftShift($shift)
+ {
+ $temp = new Math_BigInteger();
+
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ static $two;
+
+ if (!isset($two)) {
+ $two = gmp_init('2');
+ }
+
+ $temp->value = gmp_mul($this->value, gmp_pow($two, $shift));
+
+ break;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ $temp->value = bcmul($this->value, bcpow('2', $shift, 0), 0);
+
+ break;
+ default: // could just replace _rshift with this, but then all _lshift() calls would need to be rewritten
+ // and I don't want to do that...
+ $temp->value = $this->value;
+ $temp->_lshift($shift);
+ }
+
+ return $this->_normalize($temp);
+ }
+
+ /**
+ * Logical Left Rotate
+ *
+ * Instead of the top x bits being dropped they're appended to the shifted bit string.
+ *
+ * @param Integer $shift
+ * @return Math_BigInteger
+ * @access public
+ */
+ function bitwise_leftRotate($shift)
+ {
+ $bits = $this->toBytes();
+
+ if ($this->precision > 0) {
+ $precision = $this->precision;
+ if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH ) {
+ $mask = $this->bitmask->subtract(new Math_BigInteger(1));
+ $mask = $mask->toBytes();
+ } else {
+ $mask = $this->bitmask->toBytes();
+ }
+ } else {
+ $temp = ord($bits[0]);
+ for ($i = 0; $temp >> $i; ++$i);
+ $precision = 8 * strlen($bits) - 8 + $i;
+ $mask = chr((1 << ($precision & 0x7)) - 1) . str_repeat(chr(0xFF), $precision >> 3);
+ }
+
+ if ($shift < 0) {
+ $shift+= $precision;
+ }
+ $shift%= $precision;
+
+ if (!$shift) {
+ return $this->copy();
+ }
+
+ $left = $this->bitwise_leftShift($shift);
+ $left = $left->bitwise_and(new Math_BigInteger($mask, 256));
+ $right = $this->bitwise_rightShift($precision - $shift);
+ $result = MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH ? $left->bitwise_or($right) : $left->add($right);
+ return $this->_normalize($result);
+ }
+
+ /**
+ * Logical Right Rotate
+ *
+ * Instead of the bottom x bits being dropped they're prepended to the shifted bit string.
+ *
+ * @param Integer $shift
+ * @return Math_BigInteger
+ * @access public
+ */
+ function bitwise_rightRotate($shift)
+ {
+ return $this->bitwise_leftRotate(-$shift);
+ }
+
+ /**
+ * Set random number generator function
+ *
+ * This function is deprecated.
+ *
+ * @param String $generator
+ * @access public
+ */
+ function setRandomGenerator($generator)
+ {
+ }
+
+ /**
+ * Generates a random BigInteger
+ *
+ * Byte length is equal to $length. Uses crypt_random if it's loaded and mt_rand if it's not.
+ *
+ * @param Integer $length
+ * @return Math_BigInteger
+ * @access private
+ */
+ function _random_number_helper($size)
+ {
+ if (function_exists('crypt_random_string')) {
+ $random = crypt_random_string($size);
+ } else {
+ $random = '';
+
+ if ($size & 1) {
+ $random.= chr(mt_rand(0, 255));
+ }
+
+ $blocks = $size >> 1;
+ for ($i = 0; $i < $blocks; ++$i) {
+ // mt_rand(-2147483648, 0x7FFFFFFF) always produces -2147483648 on some systems
+ $random.= pack('n', mt_rand(0, 0xFFFF));
+ }
+ }
+
+ return new Math_BigInteger($random, 256);
+ }
+
+ /**
+ * Generate a random number
+ *
+ * Returns a random number between $min and $max where $min and $max
+ * can be defined using one of the two methods:
+ *
+ * $min->random($max)
+ * $max->random($min)
+ *
+ * @param Math_BigInteger $arg1
+ * @param optional Math_BigInteger $arg2
+ * @return Math_BigInteger
+ * @access public
+ * @internal The API for creating random numbers used to be $a->random($min, $max), where $a was a Math_BigInteger object.
+ * That method is still supported for BC purposes.
+ */
+ function random($arg1, $arg2 = false)
+ {
+ if ($arg1 === false) {
+ return false;
+ }
+
+ if ($arg2 === false) {
+ $max = $arg1;
+ $min = $this;
+ } else {
+ $min = $arg1;
+ $max = $arg2;
+ }
+
+ $compare = $max->compare($min);
+
+ if (!$compare) {
+ return $this->_normalize($min);
+ } else if ($compare < 0) {
+ // if $min is bigger then $max, swap $min and $max
+ $temp = $max;
+ $max = $min;
+ $min = $temp;
+ }
+
+ static $one;
+ if (!isset($one)) {
+ $one = new Math_BigInteger(1);
+ }
+
+ $max = $max->subtract($min->subtract($one));
+ $size = strlen(ltrim($max->toBytes(), chr(0)));
+
+ /*
+ doing $random % $max doesn't work because some numbers will be more likely to occur than others.
+ eg. if $max is 140 and $random's max is 255 then that'd mean both $random = 5 and $random = 145
+ would produce 5 whereas the only value of random that could produce 139 would be 139. ie.
+ not all numbers would be equally likely. some would be more likely than others.
+
+ creating a whole new random number until you find one that is within the range doesn't work
+ because, for sufficiently small ranges, the likelihood that you'd get a number within that range
+ would be pretty small. eg. with $random's max being 255 and if your $max being 1 the probability
+ would be pretty high that $random would be greater than $max.
+
+ phpseclib works around this using the technique described here:
+
+ http://crypto.stackexchange.com/questions/5708/creating-a-small-number-from-a-cryptographically-secure-random-string
+ */
+ $random_max = new Math_BigInteger(chr(1) . str_repeat("\0", $size), 256);
+ $random = $this->_random_number_helper($size);
+
+ list($max_multiple) = $random_max->divide($max);
+ $max_multiple = $max_multiple->multiply($max);
+
+ while ($random->compare($max_multiple) >= 0) {
+ $random = $random->subtract($max_multiple);
+ $random_max = $random_max->subtract($max_multiple);
+ $random = $random->bitwise_leftShift(8);
+ $random = $random->add($this->_random_number_helper(1));
+ $random_max = $random_max->bitwise_leftShift(8);
+ list($max_multiple) = $random_max->divide($max);
+ $max_multiple = $max_multiple->multiply($max);
+ }
+ list(, $random) = $random->divide($max);
+
+ return $this->_normalize($random->add($min));
+ }
+
+ /**
+ * Generate a random prime number.
+ *
+ * If there's not a prime within the given range, false will be returned. If more than $timeout seconds have elapsed,
+ * give up and return false.
+ *
+ * @param Math_BigInteger $arg1
+ * @param optional Math_BigInteger $arg2
+ * @param optional Integer $timeout
+ * @return Mixed
+ * @access public
+ * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=15 HAC 4.44}.
+ */
+ function randomPrime($arg1, $arg2 = false, $timeout = false)
+ {
+ if ($arg1 === false) {
+ return false;
+ }
+
+ if ($arg2 === false) {
+ $max = $arg1;
+ $min = $this;
+ } else {
+ $min = $arg1;
+ $max = $arg2;
+ }
+
+ $compare = $max->compare($min);
+
+ if (!$compare) {
+ return $min->isPrime() ? $min : false;
+ } else if ($compare < 0) {
+ // if $min is bigger then $max, swap $min and $max
+ $temp = $max;
+ $max = $min;
+ $min = $temp;
+ }
+
+ static $one, $two;
+ if (!isset($one)) {
+ $one = new Math_BigInteger(1);
+ $two = new Math_BigInteger(2);
+ }
+
+ $start = time();
+
+ $x = $this->random($min, $max);
+
+ // gmp_nextprime() requires PHP 5 >= 5.2.0 per <http://php.net/gmp-nextprime>.
+ if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP && function_exists('gmp_nextprime') ) {
+ $p = new Math_BigInteger();
+ $p->value = gmp_nextprime($x->value);
+
+ if ($p->compare($max) <= 0) {
+ return $p;
+ }
+
+ if (!$min->equals($x)) {
+ $x = $x->subtract($one);
+ }
+
+ return $x->randomPrime($min, $x);
+ }
+
+ if ($x->equals($two)) {
+ return $x;
+ }
+
+ $x->_make_odd();
+ if ($x->compare($max) > 0) {
+ // if $x > $max then $max is even and if $min == $max then no prime number exists between the specified range
+ if ($min->equals($max)) {
+ return false;
+ }
+ $x = $min->copy();
+ $x->_make_odd();
+ }
+
+ $initial_x = $x->copy();
+
+ while (true) {
+ if ($timeout !== false && time() - $start > $timeout) {
+ return false;
+ }
+
+ if ($x->isPrime()) {
+ return $x;
+ }
+
+ $x = $x->add($two);
+
+ if ($x->compare($max) > 0) {
+ $x = $min->copy();
+ if ($x->equals($two)) {
+ return $x;
+ }
+ $x->_make_odd();
+ }
+
+ if ($x->equals($initial_x)) {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Make the current number odd
+ *
+ * If the current number is odd it'll be unchanged. If it's even, one will be added to it.
+ *
+ * @see randomPrime()
+ * @access private
+ */
+ function _make_odd()
+ {
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ gmp_setbit($this->value, 0);
+ break;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ if ($this->value[strlen($this->value) - 1] % 2 == 0) {
+ $this->value = bcadd($this->value, '1');
+ }
+ break;
+ default:
+ $this->value[0] |= 1;
+ }
+ }
+
+ /**
+ * Checks a numer to see if it's prime
+ *
+ * Assuming the $t parameter is not set, this function has an error rate of 2**-80. The main motivation for the
+ * $t parameter is distributability. Math_BigInteger::randomPrime() can be distributed across multiple pageloads
+ * on a website instead of just one.
+ *
+ * @param optional Math_BigInteger $t
+ * @return Boolean
+ * @access public
+ * @internal Uses the
+ * {@link http://en.wikipedia.org/wiki/Miller%E2%80%93Rabin_primality_test Miller-Rabin primality test}. See
+ * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=8 HAC 4.24}.
+ */
+ function isPrime($t = false)
+ {
+ $length = strlen($this->toBytes());
+
+ if (!$t) {
+ // see HAC 4.49 "Note (controlling the error probability)"
+ // @codingStandardsIgnoreStart
+ if ($length >= 163) { $t = 2; } // floor(1300 / 8)
+ else if ($length >= 106) { $t = 3; } // floor( 850 / 8)
+ else if ($length >= 81 ) { $t = 4; } // floor( 650 / 8)
+ else if ($length >= 68 ) { $t = 5; } // floor( 550 / 8)
+ else if ($length >= 56 ) { $t = 6; } // floor( 450 / 8)
+ else if ($length >= 50 ) { $t = 7; } // floor( 400 / 8)
+ else if ($length >= 43 ) { $t = 8; } // floor( 350 / 8)
+ else if ($length >= 37 ) { $t = 9; } // floor( 300 / 8)
+ else if ($length >= 31 ) { $t = 12; } // floor( 250 / 8)
+ else if ($length >= 25 ) { $t = 15; } // floor( 200 / 8)
+ else if ($length >= 18 ) { $t = 18; } // floor( 150 / 8)
+ else { $t = 27; }
+ // @codingStandardsIgnoreEnd
+ }
+
+ // ie. gmp_testbit($this, 0)
+ // ie. isEven() or !isOdd()
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ return gmp_prob_prime($this->value, $t) != 0;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ if ($this->value === '2') {
+ return true;
+ }
+ if ($this->value[strlen($this->value) - 1] % 2 == 0) {
+ return false;
+ }
+ break;
+ default:
+ if ($this->value == array(2)) {
+ return true;
+ }
+ if (~$this->value[0] & 1) {
+ return false;
+ }
+ }
+
+ static $primes, $zero, $one, $two;
+
+ if (!isset($primes)) {
+ $primes = array(
+ 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59,
+ 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137,
+ 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227,
+ 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313,
+ 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419,
+ 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509,
+ 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617,
+ 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727,
+ 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829,
+ 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947,
+ 953, 967, 971, 977, 983, 991, 997
+ );
+
+ if ( MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL ) {
+ for ($i = 0; $i < count($primes); ++$i) {
+ $primes[$i] = new Math_BigInteger($primes[$i]);
+ }
+ }
+
+ $zero = new Math_BigInteger();
+ $one = new Math_BigInteger(1);
+ $two = new Math_BigInteger(2);
+ }
+
+ if ($this->equals($one)) {
+ return false;
+ }
+
+ // see HAC 4.4.1 "Random search for probable primes"
+ if ( MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL ) {
+ foreach ($primes as $prime) {
+ list(, $r) = $this->divide($prime);
+ if ($r->equals($zero)) {
+ return $this->equals($prime);
+ }
+ }
+ } else {
+ $value = $this->value;
+ foreach ($primes as $prime) {
+ list(, $r) = $this->_divide_digit($value, $prime);
+ if (!$r) {
+ return count($value) == 1 && $value[0] == $prime;
+ }
+ }
+ }
+
+ $n = $this->copy();
+ $n_1 = $n->subtract($one);
+ $n_2 = $n->subtract($two);
+
+ $r = $n_1->copy();
+ $r_value = $r->value;
+ // ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s));
+ if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH ) {
+ $s = 0;
+ // if $n was 1, $r would be 0 and this would be an infinite loop, hence our $this->equals($one) check earlier
+ while ($r->value[strlen($r->value) - 1] % 2 == 0) {
+ $r->value = bcdiv($r->value, '2', 0);
+ ++$s;
+ }
+ } else {
+ for ($i = 0, $r_length = count($r_value); $i < $r_length; ++$i) {
+ $temp = ~$r_value[$i] & 0xFFFFFF;
+ for ($j = 1; ($temp >> $j) & 1; ++$j);
+ if ($j != 25) {
+ break;
+ }
+ }
+ $s = 26 * $i + $j - 1;
+ $r->_rshift($s);
+ }
+
+ for ($i = 0; $i < $t; ++$i) {
+ $a = $this->random($two, $n_2);
+ $y = $a->modPow($r, $n);
+
+ if (!$y->equals($one) && !$y->equals($n_1)) {
+ for ($j = 1; $j < $s && !$y->equals($n_1); ++$j) {
+ $y = $y->modPow($two, $n);
+ if ($y->equals($one)) {
+ return false;
+ }
+ }
+
+ if (!$y->equals($n_1)) {
+ return false;
+ }
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Logical Left Shift
+ *
+ * Shifts BigInteger's by $shift bits.
+ *
+ * @param Integer $shift
+ * @access private
+ */
+ function _lshift($shift)
+ {
+ if ( $shift == 0 ) {
+ return;
+ }
+
+ $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE);
+ $shift %= MATH_BIGINTEGER_BASE;
+ $shift = 1 << $shift;
+
+ $carry = 0;
+
+ for ($i = 0; $i < count($this->value); ++$i) {
+ $temp = $this->value[$i] * $shift + $carry;
+ $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
+ $this->value[$i] = (int) ($temp - $carry * MATH_BIGINTEGER_BASE_FULL);
+ }
+
+ if ( $carry ) {
+ $this->value[] = $carry;
+ }
+
+ while ($num_digits--) {
+ array_unshift($this->value, 0);
+ }
+ }
+
+ /**
+ * Logical Right Shift
+ *
+ * Shifts BigInteger's by $shift bits.
+ *
+ * @param Integer $shift
+ * @access private
+ */
+ function _rshift($shift)
+ {
+ if ($shift == 0) {
+ return;
+ }
+
+ $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE);
+ $shift %= MATH_BIGINTEGER_BASE;
+ $carry_shift = MATH_BIGINTEGER_BASE - $shift;
+ $carry_mask = (1 << $shift) - 1;
+
+ if ( $num_digits ) {
+ $this->value = array_slice($this->value, $num_digits);
+ }
+
+ $carry = 0;
+
+ for ($i = count($this->value) - 1; $i >= 0; --$i) {
+ $temp = $this->value[$i] >> $shift | $carry;
+ $carry = ($this->value[$i] & $carry_mask) << $carry_shift;
+ $this->value[$i] = $temp;
+ }
+
+ $this->value = $this->_trim($this->value);
+ }
+
+ /**
+ * Normalize
+ *
+ * Removes leading zeros and truncates (if necessary) to maintain the appropriate precision
+ *
+ * @param Math_BigInteger
+ * @return Math_BigInteger
+ * @see _trim()
+ * @access private
+ */
+ function _normalize($result)
+ {
+ $result->precision = $this->precision;
+ $result->bitmask = $this->bitmask;
+
+ switch ( MATH_BIGINTEGER_MODE ) {
+ case MATH_BIGINTEGER_MODE_GMP:
+ if (!empty($result->bitmask->value)) {
+ $result->value = gmp_and($result->value, $result->bitmask->value);
+ }
+
+ return $result;
+ case MATH_BIGINTEGER_MODE_BCMATH:
+ if (!empty($result->bitmask->value)) {
+ $result->value = bcmod($result->value, $result->bitmask->value);
+ }
+
+ return $result;
+ }
+
+ $value = &$result->value;
+
+ if ( !count($value) ) {
+ return $result;
+ }
+
+ $value = $this->_trim($value);
+
+ if (!empty($result->bitmask->value)) {
+ $length = min(count($value), count($this->bitmask->value));
+ $value = array_slice($value, 0, $length);
+
+ for ($i = 0; $i < $length; ++$i) {
+ $value[$i] = $value[$i] & $this->bitmask->value[$i];
+ }
+ }
+
+ return $result;
+ }
+
+ /**
+ * Trim
+ *
+ * Removes leading zeros
+ *
+ * @param Array $value
+ * @return Math_BigInteger
+ * @access private
+ */
+ function _trim($value)
+ {
+ for ($i = count($value) - 1; $i >= 0; --$i) {
+ if ( $value[$i] ) {
+ break;
+ }
+ unset($value[$i]);
+ }
+
+ return $value;
+ }
+
+ /**
+ * Array Repeat
+ *
+ * @param $input Array
+ * @param $multiplier mixed
+ * @return Array
+ * @access private
+ */
+ function _array_repeat($input, $multiplier)
+ {
+ return ($multiplier) ? array_fill(0, $multiplier, $input) : array();
+ }
+
+ /**
+ * Logical Left Shift
+ *
+ * Shifts binary strings $shift bits, essentially multiplying by 2**$shift.
+ *
+ * @param $x String
+ * @param $shift Integer
+ * @return String
+ * @access private
+ */
+ function _base256_lshift(&$x, $shift)
+ {
+ if ($shift == 0) {
+ return;
+ }
+
+ $num_bytes = $shift >> 3; // eg. floor($shift/8)
+ $shift &= 7; // eg. $shift % 8
+
+ $carry = 0;
+ for ($i = strlen($x) - 1; $i >= 0; --$i) {
+ $temp = ord($x[$i]) << $shift | $carry;
+ $x[$i] = chr($temp);
+ $carry = $temp >> 8;
+ }
+ $carry = ($carry != 0) ? chr($carry) : '';
+ $x = $carry . $x . str_repeat(chr(0), $num_bytes);
+ }
+
+ /**
+ * Logical Right Shift
+ *
+ * Shifts binary strings $shift bits, essentially dividing by 2**$shift and returning the remainder.
+ *
+ * @param $x String
+ * @param $shift Integer
+ * @return String
+ * @access private
+ */
+ function _base256_rshift(&$x, $shift)
+ {
+ if ($shift == 0) {
+ $x = ltrim($x, chr(0));
+ return '';
+ }
+
+ $num_bytes = $shift >> 3; // eg. floor($shift/8)
+ $shift &= 7; // eg. $shift % 8
+
+ $remainder = '';
+ if ($num_bytes) {
+ $start = $num_bytes > strlen($x) ? -strlen($x) : -$num_bytes;
+ $remainder = substr($x, $start);
+ $x = substr($x, 0, -$num_bytes);
+ }
+
+ $carry = 0;
+ $carry_shift = 8 - $shift;
+ for ($i = 0; $i < strlen($x); ++$i) {
+ $temp = (ord($x[$i]) >> $shift) | $carry;
+ $carry = (ord($x[$i]) << $carry_shift) & 0xFF;
+ $x[$i] = chr($temp);
+ }
+ $x = ltrim($x, chr(0));
+
+ $remainder = chr($carry >> $carry_shift) . $remainder;
+
+ return ltrim($remainder, chr(0));
+ }
+
+ // one quirk about how the following functions are implemented is that PHP defines N to be an unsigned long
+ // at 32-bits, while java's longs are 64-bits.
+
+ /**
+ * Converts 32-bit integers to bytes.
+ *
+ * @param Integer $x
+ * @return String
+ * @access private
+ */
+ function _int2bytes($x)
+ {
+ return ltrim(pack('N', $x), chr(0));
+ }
+
+ /**
+ * Converts bytes to 32-bit integers
+ *
+ * @param String $x
+ * @return Integer
+ * @access private
+ */
+ function _bytes2int($x)
+ {
+ $temp = unpack('Nint', str_pad($x, 4, chr(0), STR_PAD_LEFT));
+ return $temp['int'];
+ }
+
+ /**
+ * DER-encode an integer
+ *
+ * The ability to DER-encode integers is needed to create RSA public keys for use with OpenSSL
+ *
+ * @see modPow()
+ * @access private
+ * @param Integer $length
+ * @return String
+ */
+ function _encodeASN1Length($length)
+ {
+ if ($length <= 0x7F) {
+ return chr($length);
+ }
+
+ $temp = ltrim(pack('N', $length), chr(0));
+ return pack('Ca*', 0x80 | strlen($temp), $temp);
+ }
+
+ /**
+ * Single digit division
+ *
+ * Even if int64 is being used the division operator will return a float64 value
+ * if the dividend is not evenly divisible by the divisor. Since a float64 doesn't
+ * have the precision of int64 this is a problem so, when int64 is being used,
+ * we'll guarantee that the dividend is divisible by first subtracting the remainder.
+ *
+ * @access private
+ * @param Integer $x
+ * @param Integer $y
+ * @return Integer
+ */
+ function _safe_divide($x, $y)
+ {
+ if (MATH_BIGINTEGER_BASE === 26) {
+ return (int) ($x / $y);
+ }
+
+ // MATH_BIGINTEGER_BASE === 31
+ return ($x - ($x % $y)) / $y;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Net/SCP.php b/libs/phpseclib-0.3.7/Net/SCP.php new file mode 100644 index 0000000..2668164 --- /dev/null +++ b/libs/phpseclib-0.3.7/Net/SCP.php @@ -0,0 +1,361 @@ +<?php
+
+/**
+ * Pure-PHP implementation of SCP.
+ *
+ * PHP versions 4 and 5
+ *
+ * The API for this library is modeled after the API from PHP's {@link http://php.net/book.ftp FTP extension}.
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Net/SCP.php';
+ * include 'Net/SSH2.php';
+ *
+ * $ssh = new Net_SSH2('www.domain.tld');
+ * if (!$ssh->login('username', 'password')) {
+ * exit('bad login');
+ * }
+
+ * $scp = new Net_SCP($ssh);
+ * $scp->put('abcd', str_repeat('x', 1024*1024));
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Net
+ * @package Net_SCP
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMX Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**#@+
+ * @access public
+ * @see Net_SCP::put()
+ */
+/**
+ * Reads data from a local file.
+ */
+define('NET_SCP_LOCAL_FILE', 1);
+/**
+ * Reads data from a string.
+ */
+define('NET_SCP_STRING', 2);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Net_SCP::_send()
+ * @see Net_SCP::_receive()
+ */
+/**
+ * SSH1 is being used.
+ */
+define('NET_SCP_SSH1', 1);
+/**
+ * SSH2 is being used.
+ */
+define('NET_SCP_SSH2', 2);
+/**#@-*/
+
+/**
+ * Pure-PHP implementations of SCP.
+ *
+ * @package Net_SCP
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Net_SCP
+{
+ /**
+ * SSH Object
+ *
+ * @var Object
+ * @access private
+ */
+ var $ssh;
+
+ /**
+ * Packet Size
+ *
+ * @var Integer
+ * @access private
+ */
+ var $packet_size;
+
+ /**
+ * Mode
+ *
+ * @var Integer
+ * @access private
+ */
+ var $mode;
+
+ /**
+ * Default Constructor.
+ *
+ * Connects to an SSH server
+ *
+ * @param String $host
+ * @param optional Integer $port
+ * @param optional Integer $timeout
+ * @return Net_SCP
+ * @access public
+ */
+ function Net_SCP($ssh)
+ {
+ if (!is_object($ssh)) {
+ return;
+ }
+
+ switch (strtolower(get_class($ssh))) {
+ case'net_ssh2':
+ $this->mode = NET_SCP_SSH2;
+ break;
+ case 'net_ssh1':
+ $this->packet_size = 50000;
+ $this->mode = NET_SCP_SSH1;
+ break;
+ default:
+ return;
+ }
+
+ $this->ssh = $ssh;
+ }
+
+ /**
+ * Uploads a file to the SCP server.
+ *
+ * By default, Net_SCP::put() does not read from the local filesystem. $data is dumped directly into $remote_file.
+ * So, for example, if you set $data to 'filename.ext' and then do Net_SCP::get(), you will get a file, twelve bytes
+ * long, containing 'filename.ext' as its contents.
+ *
+ * Setting $mode to NET_SCP_LOCAL_FILE will change the above behavior. With NET_SCP_LOCAL_FILE, $remote_file will
+ * contain as many bytes as filename.ext does on your local filesystem. If your filename.ext is 1MB then that is how
+ * large $remote_file will be, as well.
+ *
+ * Currently, only binary mode is supported. As such, if the line endings need to be adjusted, you will need to take
+ * care of that, yourself.
+ *
+ * @param String $remote_file
+ * @param String $data
+ * @param optional Integer $mode
+ * @param optional Callable $callback
+ * @return Boolean
+ * @access public
+ */
+ function put($remote_file, $data, $mode = NET_SCP_STRING, $callback = null)
+ {
+ if (!isset($this->ssh)) {
+ return false;
+ }
+
+ if (!$this->ssh->exec('scp -t "' . $remote_file . '"', false)) { // -t = to
+ return false;
+ }
+
+ $temp = $this->_receive();
+ if ($temp !== chr(0)) {
+ return false;
+ }
+
+ if ($this->mode == NET_SCP_SSH2) {
+ $this->packet_size = $this->ssh->packet_size_client_to_server[NET_SSH2_CHANNEL_EXEC] - 4;
+ }
+
+ $remote_file = basename($remote_file);
+
+ if ($mode == NET_SCP_STRING) {
+ $size = strlen($data);
+ } else {
+ if (!is_file($data)) {
+ user_error("$data is not a valid file", E_USER_NOTICE);
+ return false;
+ }
+
+ $fp = @fopen($data, 'rb');
+ if (!$fp) {
+ fclose($fp);
+ return false;
+ }
+ $size = filesize($data);
+ }
+
+ $this->_send('C0644 ' . $size . ' ' . $remote_file . "\n");
+
+ $temp = $this->_receive();
+ if ($temp !== chr(0)) {
+ return false;
+ }
+
+ $sent = 0;
+ while ($sent < $size) {
+ $temp = $mode & NET_SCP_STRING ? substr($data, $sent, $this->packet_size) : fread($fp, $this->packet_size);
+ $this->_send($temp);
+ $sent+= strlen($temp);
+
+ if (is_callable($callback)) {
+ call_user_func($callback, $sent);
+ }
+ }
+ $this->_close();
+
+ if ($mode != NET_SCP_STRING) {
+ fclose($fp);
+ }
+
+ return true;
+ }
+
+ /**
+ * Downloads a file from the SCP server.
+ *
+ * Returns a string containing the contents of $remote_file if $local_file is left undefined or a boolean false if
+ * the operation was unsuccessful. If $local_file is defined, returns true or false depending on the success of the
+ * operation
+ *
+ * @param String $remote_file
+ * @param optional String $local_file
+ * @return Mixed
+ * @access public
+ */
+ function get($remote_file, $local_file = false)
+ {
+ if (!isset($this->ssh)) {
+ return false;
+ }
+
+ if (!$this->ssh->exec('scp -f "' . $remote_file . '"', false)) { // -f = from
+ return false;
+ }
+
+ $this->_send("\0");
+
+ if (!preg_match('#(?<perms>[^ ]+) (?<size>\d+) (?<name>.+)#', rtrim($this->_receive()), $info)) {
+ return false;
+ }
+
+ $this->_send("\0");
+
+ $size = 0;
+
+ if ($local_file !== false) {
+ $fp = @fopen($local_file, 'wb');
+ if (!$fp) {
+ return false;
+ }
+ }
+
+ $content = '';
+ while ($size < $info['size']) {
+ $data = $this->_receive();
+ // SCP usually seems to split stuff out into 16k chunks
+ $size+= strlen($data);
+
+ if ($local_file === false) {
+ $content.= $data;
+ } else {
+ fputs($fp, $data);
+ }
+ }
+
+ $this->_close();
+
+ if ($local_file !== false) {
+ fclose($fp);
+ return true;
+ }
+
+ return $content;
+ }
+
+ /**
+ * Sends a packet to an SSH server
+ *
+ * @param String $data
+ * @access private
+ */
+ function _send($data)
+ {
+ switch ($this->mode) {
+ case NET_SCP_SSH2:
+ $this->ssh->_send_channel_packet(NET_SSH2_CHANNEL_EXEC, $data);
+ break;
+ case NET_SCP_SSH1:
+ $data = pack('CNa*', NET_SSH1_CMSG_STDIN_DATA, strlen($data), $data);
+ $this->ssh->_send_binary_packet($data);
+ }
+ }
+
+ /**
+ * Receives a packet from an SSH server
+ *
+ * @return String
+ * @access private
+ */
+ function _receive()
+ {
+ switch ($this->mode) {
+ case NET_SCP_SSH2:
+ return $this->ssh->_get_channel_packet(NET_SSH2_CHANNEL_EXEC, true);
+ case NET_SCP_SSH1:
+ if (!$this->ssh->bitmap) {
+ return false;
+ }
+ while (true) {
+ $response = $this->ssh->_get_binary_packet();
+ switch ($response[NET_SSH1_RESPONSE_TYPE]) {
+ case NET_SSH1_SMSG_STDOUT_DATA:
+ extract(unpack('Nlength', $response[NET_SSH1_RESPONSE_DATA]));
+ return $this->ssh->_string_shift($response[NET_SSH1_RESPONSE_DATA], $length);
+ case NET_SSH1_SMSG_STDERR_DATA:
+ break;
+ case NET_SSH1_SMSG_EXITSTATUS:
+ $this->ssh->_send_binary_packet(chr(NET_SSH1_CMSG_EXIT_CONFIRMATION));
+ fclose($this->ssh->fsock);
+ $this->ssh->bitmap = 0;
+ return false;
+ default:
+ user_error('Unknown packet received', E_USER_NOTICE);
+ return false;
+ }
+ }
+ }
+ }
+
+ /**
+ * Closes the connection to an SSH server
+ *
+ * @access private
+ */
+ function _close()
+ {
+ switch ($this->mode) {
+ case NET_SCP_SSH2:
+ $this->ssh->_close_channel(NET_SSH2_CHANNEL_EXEC, true);
+ break;
+ case NET_SCP_SSH1:
+ $this->ssh->disconnect();
+ }
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Net/SFTP.php b/libs/phpseclib-0.3.7/Net/SFTP.php new file mode 100644 index 0000000..ddfc931 --- /dev/null +++ b/libs/phpseclib-0.3.7/Net/SFTP.php @@ -0,0 +1,2760 @@ +<?php
+
+/**
+ * Pure-PHP implementation of SFTP.
+ *
+ * PHP versions 4 and 5
+ *
+ * Currently only supports SFTPv2 and v3, which, according to wikipedia.org, "is the most widely used version,
+ * implemented by the popular OpenSSH SFTP server". If you want SFTPv4/5/6 support, provide me with access
+ * to an SFTPv4/5/6 server.
+ *
+ * The API for this library is modeled after the API from PHP's {@link http://php.net/book.ftp FTP extension}.
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Net/SFTP.php';
+ *
+ * $sftp = new Net_SFTP('www.domain.tld');
+ * if (!$sftp->login('username', 'password')) {
+ * exit('Login Failed');
+ * }
+ *
+ * echo $sftp->pwd() . "\r\n";
+ * $sftp->put('filename.ext', 'hello, world!');
+ * print_r($sftp->nlist());
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Net
+ * @package Net_SFTP
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMIX Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Net_SSH2
+ */
+if (!class_exists('Net_SSH2')) {
+ include_once 'SSH2.php';
+}
+
+/**#@+
+ * @access public
+ * @see Net_SFTP::getLog()
+ */
+/**
+ * Returns the message numbers
+ */
+define('NET_SFTP_LOG_SIMPLE', NET_SSH2_LOG_SIMPLE);
+/**
+ * Returns the message content
+ */
+define('NET_SFTP_LOG_COMPLEX', NET_SSH2_LOG_COMPLEX);
+/**
+ * Outputs the message content in real-time.
+ */
+define('NET_SFTP_LOG_REALTIME', 3);
+/**#@-*/
+
+/**
+ * SFTP channel constant
+ *
+ * Net_SSH2::exec() uses 0 and Net_SSH2::read() / Net_SSH2::write() use 1.
+ *
+ * @see Net_SSH2::_send_channel_packet()
+ * @see Net_SSH2::_get_channel_packet()
+ * @access private
+ */
+define('NET_SFTP_CHANNEL', 0x100);
+
+/**#@+
+ * @access public
+ * @see Net_SFTP::put()
+ */
+/**
+ * Reads data from a local file.
+ */
+define('NET_SFTP_LOCAL_FILE', 1);
+/**
+ * Reads data from a string.
+ */
+// this value isn't really used anymore but i'm keeping it reserved for historical reasons
+define('NET_SFTP_STRING', 2);
+/**
+ * Resumes an upload
+ */
+define('NET_SFTP_RESUME', 4);
+/**
+ * Append a local file to an already existing remote file
+ */
+define('NET_SFTP_RESUME_START', 8);
+/**#@-*/
+
+/**
+ * Pure-PHP implementations of SFTP.
+ *
+ * @package Net_SFTP
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Net_SFTP extends Net_SSH2
+{
+ /**
+ * Packet Types
+ *
+ * @see Net_SFTP::Net_SFTP()
+ * @var Array
+ * @access private
+ */
+ var $packet_types = array();
+
+ /**
+ * Status Codes
+ *
+ * @see Net_SFTP::Net_SFTP()
+ * @var Array
+ * @access private
+ */
+ var $status_codes = array();
+
+ /**
+ * The Request ID
+ *
+ * The request ID exists in the off chance that a packet is sent out-of-order. Of course, this library doesn't support
+ * concurrent actions, so it's somewhat academic, here.
+ *
+ * @var Integer
+ * @see Net_SFTP::_send_sftp_packet()
+ * @access private
+ */
+ var $request_id = false;
+
+ /**
+ * The Packet Type
+ *
+ * The request ID exists in the off chance that a packet is sent out-of-order. Of course, this library doesn't support
+ * concurrent actions, so it's somewhat academic, here.
+ *
+ * @var Integer
+ * @see Net_SFTP::_get_sftp_packet()
+ * @access private
+ */
+ var $packet_type = -1;
+
+ /**
+ * Packet Buffer
+ *
+ * @var String
+ * @see Net_SFTP::_get_sftp_packet()
+ * @access private
+ */
+ var $packet_buffer = '';
+
+ /**
+ * Extensions supported by the server
+ *
+ * @var Array
+ * @see Net_SFTP::_initChannel()
+ * @access private
+ */
+ var $extensions = array();
+
+ /**
+ * Server SFTP version
+ *
+ * @var Integer
+ * @see Net_SFTP::_initChannel()
+ * @access private
+ */
+ var $version;
+
+ /**
+ * Current working directory
+ *
+ * @var String
+ * @see Net_SFTP::_realpath()
+ * @see Net_SFTP::chdir()
+ * @access private
+ */
+ var $pwd = false;
+
+ /**
+ * Packet Type Log
+ *
+ * @see Net_SFTP::getLog()
+ * @var Array
+ * @access private
+ */
+ var $packet_type_log = array();
+
+ /**
+ * Packet Log
+ *
+ * @see Net_SFTP::getLog()
+ * @var Array
+ * @access private
+ */
+ var $packet_log = array();
+
+ /**
+ * Error information
+ *
+ * @see Net_SFTP::getSFTPErrors()
+ * @see Net_SFTP::getLastSFTPError()
+ * @var String
+ * @access private
+ */
+ var $sftp_errors = array();
+
+ /**
+ * Stat Cache
+ *
+ * Rather than always having to open a directory and close it immediately there after to see if a file is a directory
+ * we'll cache the results.
+ *
+ * @see Net_SFTP::_update_stat_cache()
+ * @see Net_SFTP::_remove_from_stat_cache()
+ * @see Net_SFTP::_query_stat_cache()
+ * @var Array
+ * @access private
+ */
+ var $stat_cache = array();
+
+ /**
+ * Max SFTP Packet Size
+ *
+ * @see Net_SFTP::Net_SFTP()
+ * @see Net_SFTP::get()
+ * @var Array
+ * @access private
+ */
+ var $max_sftp_packet;
+
+ /**
+ * Stat Cache Flag
+ *
+ * @see Net_SFTP::disableStatCache()
+ * @see Net_SFTP::enableStatCache()
+ * @var Boolean
+ * @access private
+ */
+ var $use_stat_cache = true;
+
+ /**
+ * Sort Options
+ *
+ * @see Net_SFTP::_comparator()
+ * @see Net_SFTP::setListOrder()
+ * @var Array
+ * @access private
+ */
+ var $sortOptions = array();
+
+ /**
+ * Default Constructor.
+ *
+ * Connects to an SFTP server
+ *
+ * @param String $host
+ * @param optional Integer $port
+ * @param optional Integer $timeout
+ * @return Net_SFTP
+ * @access public
+ */
+ function Net_SFTP($host, $port = 22, $timeout = 10)
+ {
+ parent::Net_SSH2($host, $port, $timeout);
+
+ $this->max_sftp_packet = 1 << 15;
+
+ $this->packet_types = array(
+ 1 => 'NET_SFTP_INIT',
+ 2 => 'NET_SFTP_VERSION',
+ /* the format of SSH_FXP_OPEN changed between SFTPv4 and SFTPv5+:
+ SFTPv5+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.1
+ pre-SFTPv5 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3 */
+ 3 => 'NET_SFTP_OPEN',
+ 4 => 'NET_SFTP_CLOSE',
+ 5 => 'NET_SFTP_READ',
+ 6 => 'NET_SFTP_WRITE',
+ 7 => 'NET_SFTP_LSTAT',
+ 9 => 'NET_SFTP_SETSTAT',
+ 11 => 'NET_SFTP_OPENDIR',
+ 12 => 'NET_SFTP_READDIR',
+ 13 => 'NET_SFTP_REMOVE',
+ 14 => 'NET_SFTP_MKDIR',
+ 15 => 'NET_SFTP_RMDIR',
+ 16 => 'NET_SFTP_REALPATH',
+ 17 => 'NET_SFTP_STAT',
+ /* the format of SSH_FXP_RENAME changed between SFTPv4 and SFTPv5+:
+ SFTPv5+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3
+ pre-SFTPv5 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.5 */
+ 18 => 'NET_SFTP_RENAME',
+ 19 => 'NET_SFTP_READLINK',
+ 20 => 'NET_SFTP_SYMLINK',
+
+ 101=> 'NET_SFTP_STATUS',
+ 102=> 'NET_SFTP_HANDLE',
+ /* the format of SSH_FXP_NAME changed between SFTPv3 and SFTPv4+:
+ SFTPv4+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4
+ pre-SFTPv4 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-7 */
+ 103=> 'NET_SFTP_DATA',
+ 104=> 'NET_SFTP_NAME',
+ 105=> 'NET_SFTP_ATTRS',
+
+ 200=> 'NET_SFTP_EXTENDED'
+ );
+ $this->status_codes = array(
+ 0 => 'NET_SFTP_STATUS_OK',
+ 1 => 'NET_SFTP_STATUS_EOF',
+ 2 => 'NET_SFTP_STATUS_NO_SUCH_FILE',
+ 3 => 'NET_SFTP_STATUS_PERMISSION_DENIED',
+ 4 => 'NET_SFTP_STATUS_FAILURE',
+ 5 => 'NET_SFTP_STATUS_BAD_MESSAGE',
+ 6 => 'NET_SFTP_STATUS_NO_CONNECTION',
+ 7 => 'NET_SFTP_STATUS_CONNECTION_LOST',
+ 8 => 'NET_SFTP_STATUS_OP_UNSUPPORTED',
+ 9 => 'NET_SFTP_STATUS_INVALID_HANDLE',
+ 10 => 'NET_SFTP_STATUS_NO_SUCH_PATH',
+ 11 => 'NET_SFTP_STATUS_FILE_ALREADY_EXISTS',
+ 12 => 'NET_SFTP_STATUS_WRITE_PROTECT',
+ 13 => 'NET_SFTP_STATUS_NO_MEDIA',
+ 14 => 'NET_SFTP_STATUS_NO_SPACE_ON_FILESYSTEM',
+ 15 => 'NET_SFTP_STATUS_QUOTA_EXCEEDED',
+ 16 => 'NET_SFTP_STATUS_UNKNOWN_PRINCIPAL',
+ 17 => 'NET_SFTP_STATUS_LOCK_CONFLICT',
+ 18 => 'NET_SFTP_STATUS_DIR_NOT_EMPTY',
+ 19 => 'NET_SFTP_STATUS_NOT_A_DIRECTORY',
+ 20 => 'NET_SFTP_STATUS_INVALID_FILENAME',
+ 21 => 'NET_SFTP_STATUS_LINK_LOOP',
+ 22 => 'NET_SFTP_STATUS_CANNOT_DELETE',
+ 23 => 'NET_SFTP_STATUS_INVALID_PARAMETER',
+ 24 => 'NET_SFTP_STATUS_FILE_IS_A_DIRECTORY',
+ 25 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_CONFLICT',
+ 26 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_REFUSED',
+ 27 => 'NET_SFTP_STATUS_DELETE_PENDING',
+ 28 => 'NET_SFTP_STATUS_FILE_CORRUPT',
+ 29 => 'NET_SFTP_STATUS_OWNER_INVALID',
+ 30 => 'NET_SFTP_STATUS_GROUP_INVALID',
+ 31 => 'NET_SFTP_STATUS_NO_MATCHING_BYTE_RANGE_LOCK'
+ );
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-7.1
+ // the order, in this case, matters quite a lot - see Net_SFTP::_parseAttributes() to understand why
+ $this->attributes = array(
+ 0x00000001 => 'NET_SFTP_ATTR_SIZE',
+ 0x00000002 => 'NET_SFTP_ATTR_UIDGID', // defined in SFTPv3, removed in SFTPv4+
+ 0x00000004 => 'NET_SFTP_ATTR_PERMISSIONS',
+ 0x00000008 => 'NET_SFTP_ATTR_ACCESSTIME',
+ // 0x80000000 will yield a floating point on 32-bit systems and converting floating points to integers
+ // yields inconsistent behavior depending on how php is compiled. so we left shift -1 (which, in
+ // two's compliment, consists of all 1 bits) by 31. on 64-bit systems this'll yield 0xFFFFFFFF80000000.
+ // that's not a problem, however, and 'anded' and a 32-bit number, as all the leading 1 bits are ignored.
+ -1 << 31 => 'NET_SFTP_ATTR_EXTENDED'
+ );
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3
+ // the flag definitions change somewhat in SFTPv5+. if SFTPv5+ support is added to this library, maybe name
+ // the array for that $this->open5_flags and similarily alter the constant names.
+ $this->open_flags = array(
+ 0x00000001 => 'NET_SFTP_OPEN_READ',
+ 0x00000002 => 'NET_SFTP_OPEN_WRITE',
+ 0x00000004 => 'NET_SFTP_OPEN_APPEND',
+ 0x00000008 => 'NET_SFTP_OPEN_CREATE',
+ 0x00000010 => 'NET_SFTP_OPEN_TRUNCATE',
+ 0x00000020 => 'NET_SFTP_OPEN_EXCL'
+ );
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2
+ // see Net_SFTP::_parseLongname() for an explanation
+ $this->file_types = array(
+ 1 => 'NET_SFTP_TYPE_REGULAR',
+ 2 => 'NET_SFTP_TYPE_DIRECTORY',
+ 3 => 'NET_SFTP_TYPE_SYMLINK',
+ 4 => 'NET_SFTP_TYPE_SPECIAL',
+ 5 => 'NET_SFTP_TYPE_UNKNOWN',
+ // the followin types were first defined for use in SFTPv5+
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2
+ 6 => 'NET_SFTP_TYPE_SOCKET',
+ 7 => 'NET_SFTP_TYPE_CHAR_DEVICE',
+ 8 => 'NET_SFTP_TYPE_BLOCK_DEVICE',
+ 9 => 'NET_SFTP_TYPE_FIFO'
+ );
+ $this->_define_array(
+ $this->packet_types,
+ $this->status_codes,
+ $this->attributes,
+ $this->open_flags,
+ $this->file_types
+ );
+
+ if (!defined('NET_SFTP_QUEUE_SIZE')) {
+ define('NET_SFTP_QUEUE_SIZE', 50);
+ }
+ }
+
+ /**
+ * Login
+ *
+ * @param String $username
+ * @param optional String $password
+ * @return Boolean
+ * @access public
+ */
+ function login($username)
+ {
+ $args = func_get_args();
+ if (!call_user_func_array(array(&$this, '_login'), $args)) {
+ return false;
+ }
+
+ $this->window_size_server_to_client[NET_SFTP_CHANNEL] = $this->window_size;
+
+ $packet = pack('CNa*N3',
+ NET_SSH2_MSG_CHANNEL_OPEN, strlen('session'), 'session', NET_SFTP_CHANNEL, $this->window_size, 0x4000);
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_OPEN;
+
+ $response = $this->_get_channel_packet(NET_SFTP_CHANNEL);
+ if ($response === false) {
+ return false;
+ }
+
+ $packet = pack('CNNa*CNa*',
+ NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SFTP_CHANNEL], strlen('subsystem'), 'subsystem', 1, strlen('sftp'), 'sftp');
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST;
+
+ $response = $this->_get_channel_packet(NET_SFTP_CHANNEL);
+ if ($response === false) {
+ // from PuTTY's psftp.exe
+ $command = "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" .
+ "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n" .
+ "exec sftp-server";
+ // we don't do $this->exec($command, false) because exec() operates on a different channel and plus the SSH_MSG_CHANNEL_OPEN that exec() does
+ // is redundant
+ $packet = pack('CNNa*CNa*',
+ NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SFTP_CHANNEL], strlen('exec'), 'exec', 1, strlen($command), $command);
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST;
+
+ $response = $this->_get_channel_packet(NET_SFTP_CHANNEL);
+ if ($response === false) {
+ return false;
+ }
+ }
+
+ $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_DATA;
+
+ if (!$this->_send_sftp_packet(NET_SFTP_INIT, "\0\0\0\3")) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ if ($this->packet_type != NET_SFTP_VERSION) {
+ user_error('Expected SSH_FXP_VERSION');
+ return false;
+ }
+
+ extract(unpack('Nversion', $this->_string_shift($response, 4)));
+ $this->version = $version;
+ while (!empty($response)) {
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $key = $this->_string_shift($response, $length);
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $value = $this->_string_shift($response, $length);
+ $this->extensions[$key] = $value;
+ }
+
+ /*
+ SFTPv4+ defines a 'newline' extension. SFTPv3 seems to have unofficial support for it via 'newline@vandyke.com',
+ however, I'm not sure what 'newline@vandyke.com' is supposed to do (the fact that it's unofficial means that it's
+ not in the official SFTPv3 specs) and 'newline@vandyke.com' / 'newline' are likely not drop-in substitutes for
+ one another due to the fact that 'newline' comes with a SSH_FXF_TEXT bitmask whereas it seems unlikely that
+ 'newline@vandyke.com' would.
+ */
+ /*
+ if (isset($this->extensions['newline@vandyke.com'])) {
+ $this->extensions['newline'] = $this->extensions['newline@vandyke.com'];
+ unset($this->extensions['newline@vandyke.com']);
+ }
+ */
+
+ $this->request_id = 1;
+
+ /*
+ A Note on SFTPv4/5/6 support:
+ <http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-5.1> states the following:
+
+ "If the client wishes to interoperate with servers that support noncontiguous version
+ numbers it SHOULD send '3'"
+
+ Given that the server only sends its version number after the client has already done so, the above
+ seems to be suggesting that v3 should be the default version. This makes sense given that v3 is the
+ most popular.
+
+ <http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-5.5> states the following;
+
+ "If the server did not send the "versions" extension, or the version-from-list was not included, the
+ server MAY send a status response describing the failure, but MUST then close the channel without
+ processing any further requests."
+
+ So what do you do if you have a client whose initial SSH_FXP_INIT packet says it implements v3 and
+ a server whose initial SSH_FXP_VERSION reply says it implements v4 and only v4? If it only implements
+ v4, the "versions" extension is likely not going to have been sent so version re-negotiation as discussed
+ in draft-ietf-secsh-filexfer-13 would be quite impossible. As such, what Net_SFTP would do is close the
+ channel and reopen it with a new and updated SSH_FXP_INIT packet.
+ */
+ switch ($this->version) {
+ case 2:
+ case 3:
+ break;
+ default:
+ return false;
+ }
+
+ $this->pwd = $this->_realpath('.');
+
+ $this->_update_stat_cache($this->pwd, array());
+
+ return true;
+ }
+
+ /**
+ * Disable the stat cache
+ *
+ * @access public
+ */
+ function disableStatCache()
+ {
+ $this->use_stat_cache = false;
+ }
+
+ /**
+ * Enable the stat cache
+ *
+ * @access public
+ */
+ function enableStatCache()
+ {
+ $this->use_stat_cache = true;
+ }
+
+ /**
+ * Clear the stat cache
+ *
+ * @access public
+ */
+ function clearStatCache()
+ {
+ $this->stat_cache = array();
+ }
+
+ /**
+ * Returns the current directory name
+ *
+ * @return Mixed
+ * @access public
+ */
+ function pwd()
+ {
+ return $this->pwd;
+ }
+
+ /**
+ * Logs errors
+ *
+ * @param String $response
+ * @param optional Integer $status
+ * @access public
+ */
+ function _logError($response, $status = -1)
+ {
+ if ($status == -1) {
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ }
+
+ $error = $this->status_codes[$status];
+
+ if ($this->version > 2) {
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $this->sftp_errors[] = $error . ': ' . $this->_string_shift($response, $length);
+ } else {
+ $this->sftp_errors[] = $error;
+ }
+ }
+
+ /**
+ * Canonicalize the Server-Side Path Name
+ *
+ * SFTP doesn't provide a mechanism by which the current working directory can be changed, so we'll emulate it. Returns
+ * the absolute (canonicalized) path.
+ *
+ * @see Net_SFTP::chdir()
+ * @param String $path
+ * @return Mixed
+ * @access private
+ */
+ function _realpath($path)
+ {
+ if ($this->pwd === false) {
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.9
+ if (!$this->_send_sftp_packet(NET_SFTP_REALPATH, pack('Na*', strlen($path), $path))) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_NAME:
+ // although SSH_FXP_NAME is implemented differently in SFTPv3 than it is in SFTPv4+, the following
+ // should work on all SFTP versions since the only part of the SSH_FXP_NAME packet the following looks
+ // at is the first part and that part is defined the same in SFTP versions 3 through 6.
+ $this->_string_shift($response, 4); // skip over the count - it should be 1, anyway
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ return $this->_string_shift($response, $length);
+ case NET_SFTP_STATUS:
+ $this->_logError($response);
+ return false;
+ default:
+ user_error('Expected SSH_FXP_NAME or SSH_FXP_STATUS');
+ return false;
+ }
+ }
+
+ if ($path[0] != '/') {
+ $path = $this->pwd . '/' . $path;
+ }
+
+ $path = explode('/', $path);
+ $new = array();
+ foreach ($path as $dir) {
+ if (!strlen($dir)) {
+ continue;
+ }
+ switch ($dir) {
+ case '..':
+ array_pop($new);
+ case '.':
+ break;
+ default:
+ $new[] = $dir;
+ }
+ }
+
+ return '/' . implode('/', $new);
+ }
+
+ /**
+ * Changes the current directory
+ *
+ * @param String $dir
+ * @return Boolean
+ * @access public
+ */
+ function chdir($dir)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ // assume current dir if $dir is empty
+ if ($dir === '') {
+ $dir = './';
+ // suffix a slash if needed
+ } elseif ($dir[strlen($dir) - 1] != '/') {
+ $dir.= '/';
+ }
+
+ $dir = $this->_realpath($dir);
+
+ // confirm that $dir is, in fact, a valid directory
+ if ($this->use_stat_cache && is_array($this->_query_stat_cache($dir))) {
+ $this->pwd = $dir;
+ return true;
+ }
+
+ // we could do a stat on the alleged $dir to see if it's a directory but that doesn't tell us
+ // the currently logged in user has the appropriate permissions or not. maybe you could see if
+ // the file's uid / gid match the currently logged in user's uid / gid but how there's no easy
+ // way to get those with SFTP
+
+ if (!$this->_send_sftp_packet(NET_SFTP_OPENDIR, pack('Na*', strlen($dir), $dir))) {
+ return false;
+ }
+
+ // see Net_SFTP::nlist() for a more thorough explanation of the following
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_HANDLE:
+ $handle = substr($response, 4);
+ break;
+ case NET_SFTP_STATUS:
+ $this->_logError($response);
+ return false;
+ default:
+ user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
+ return false;
+ }
+
+ if (!$this->_close_handle($handle)) {
+ return false;
+ }
+
+ $this->_update_stat_cache($dir, array());
+
+ $this->pwd = $dir;
+ return true;
+ }
+
+ /**
+ * Returns a list of files in the given directory
+ *
+ * @param optional String $dir
+ * @param optional Boolean $recursive
+ * @return Mixed
+ * @access public
+ */
+ function nlist($dir = '.', $recursive = false)
+ {
+ return $this->_nlist_helper($dir, $recursive, '');
+ }
+
+ /**
+ * Helper method for nlist
+ *
+ * @param String $dir
+ * @param Boolean $recursive
+ * @param String $relativeDir
+ * @return Mixed
+ * @access private
+ */
+ function _nlist_helper($dir, $recursive, $relativeDir)
+ {
+ $files = $this->_list($dir, false);
+
+ if (!$recursive) {
+ return $files;
+ }
+
+ $result = array();
+ foreach ($files as $value) {
+ if ($value == '.' || $value == '..') {
+ if ($relativeDir == '') {
+ $result[] = $value;
+ }
+ continue;
+ }
+ if (is_array($this->_query_stat_cache($this->_realpath($dir . '/' . $value)))) {
+ $temp = $this->_nlist_helper($dir . '/' . $value, true, $relativeDir . $value . '/');
+ $result = array_merge($result, $temp);
+ } else {
+ $result[] = $relativeDir . $value;
+ }
+ }
+
+ return $result;
+ }
+
+ /**
+ * Returns a detailed list of files in the given directory
+ *
+ * @param optional String $dir
+ * @param optional Boolean $recursive
+ * @return Mixed
+ * @access public
+ */
+ function rawlist($dir = '.', $recursive = false)
+ {
+ $files = $this->_list($dir, true);
+ if (!$recursive || $files === false) {
+ return $files;
+ }
+
+ static $depth = 0;
+
+ foreach ($files as $key=>$value) {
+ if ($depth != 0 && $key == '..') {
+ unset($files[$key]);
+ continue;
+ }
+ if ($key != '.' && $key != '..' && is_array($this->_query_stat_cache($this->_realpath($dir . '/' . $key)))) {
+ $depth++;
+ $files[$key] = $this->rawlist($dir . '/' . $key, true);
+ $depth--;
+ } else {
+ $files[$key] = (object) $value;
+ }
+ }
+
+ return $files;
+ }
+
+ /**
+ * Reads a list, be it detailed or not, of files in the given directory
+ *
+ * @param String $dir
+ * @param optional Boolean $raw
+ * @return Mixed
+ * @access private
+ */
+ function _list($dir, $raw = true)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $dir = $this->_realpath($dir . '/');
+ if ($dir === false) {
+ return false;
+ }
+
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.2
+ if (!$this->_send_sftp_packet(NET_SFTP_OPENDIR, pack('Na*', strlen($dir), $dir))) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_HANDLE:
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.2
+ // since 'handle' is the last field in the SSH_FXP_HANDLE packet, we'll just remove the first four bytes that
+ // represent the length of the string and leave it at that
+ $handle = substr($response, 4);
+ break;
+ case NET_SFTP_STATUS:
+ // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
+ $this->_logError($response);
+ return false;
+ default:
+ user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
+ return false;
+ }
+
+ $this->_update_stat_cache($dir, array());
+
+ $contents = array();
+ while (true) {
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.2
+ // why multiple SSH_FXP_READDIR packets would be sent when the response to a single one can span arbitrarily many
+ // SSH_MSG_CHANNEL_DATA messages is not known to me.
+ if (!$this->_send_sftp_packet(NET_SFTP_READDIR, pack('Na*', strlen($handle), $handle))) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_NAME:
+ extract(unpack('Ncount', $this->_string_shift($response, 4)));
+ for ($i = 0; $i < $count; $i++) {
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $shortname = $this->_string_shift($response, $length);
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $longname = $this->_string_shift($response, $length);
+ $attributes = $this->_parseAttributes($response);
+ if (!isset($attributes['type'])) {
+ $fileType = $this->_parseLongname($longname);
+ if ($fileType) {
+ $attributes['type'] = $fileType;
+ }
+ }
+ $contents[$shortname] = $attributes + array('filename' => $shortname);
+
+ if (isset($attributes['type']) && $attributes['type'] == NET_SFTP_TYPE_DIRECTORY && ($shortname != '.' && $shortname != '..')) {
+ $this->_update_stat_cache($dir . '/' . $shortname, array());
+ } else {
+ if ($shortname == '..') {
+ $temp = $this->_realpath($dir . '/..') . '/.';
+ } else {
+ $temp = $dir . '/' . $shortname;
+ }
+ $this->_update_stat_cache($temp, (object) $attributes);
+ }
+ // SFTPv6 has an optional boolean end-of-list field, but we'll ignore that, since the
+ // final SSH_FXP_STATUS packet should tell us that, already.
+ }
+ break;
+ case NET_SFTP_STATUS:
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ if ($status != NET_SFTP_STATUS_EOF) {
+ $this->_logError($response, $status);
+ return false;
+ }
+ break 2;
+ default:
+ user_error('Expected SSH_FXP_NAME or SSH_FXP_STATUS');
+ return false;
+ }
+ }
+
+ if (!$this->_close_handle($handle)) {
+ return false;
+ }
+
+ if (count($this->sortOptions)) {
+ uasort($contents, array(&$this, '_comparator'));
+ }
+
+ return $raw ? $contents : array_keys($contents);
+ }
+
+ /**
+ * Compares two rawlist entries using parameters set by setListOrder()
+ *
+ * Intended for use with uasort()
+ *
+ * @param Array $a
+ * @param Array $b
+ * @return Integer
+ * @access private
+ */
+ function _comparator($a, $b)
+ {
+ switch (true) {
+ case $a['filename'] === '.' || $b['filename'] === '.':
+ if ($a['filename'] === $b['filename']) {
+ return 0;
+ }
+ return $a['filename'] === '.' ? -1 : 1;
+ case $a['filename'] === '..' || $b['filename'] === '..':
+ if ($a['filename'] === $b['filename']) {
+ return 0;
+ }
+ return $a['filename'] === '..' ? -1 : 1;
+ case isset($a['type']) && $a['type'] === NET_SFTP_TYPE_DIRECTORY:
+ if (!isset($b['type'])) {
+ return 1;
+ }
+ if ($b['type'] !== $a['type']) {
+ return -1;
+ }
+ break;
+ case isset($b['type']) && $b['type'] === NET_SFTP_TYPE_DIRECTORY:
+ return 1;
+ }
+ foreach ($this->sortOptions as $sort => $order) {
+ if (!isset($a[$sort]) || !isset($b[$sort])) {
+ if (isset($a[$sort])) {
+ return -1;
+ }
+ if (isset($b[$sort])) {
+ return 1;
+ }
+ return 0;
+ }
+ switch ($sort) {
+ case 'filename':
+ $result = strcasecmp($a['filename'], $b['filename']);
+ if ($result) {
+ return $order === SORT_DESC ? -$result : $result;
+ }
+ break;
+ case 'permissions':
+ case 'mode':
+ $a[$sort]&= 07777;
+ $b[$sort]&= 07777;
+ default:
+ if ($a[$sort] === $b[$sort]) {
+ break;
+ }
+ return $order === SORT_ASC ? $a[$sort] - $b[$sort] : $b[$sort] - $a[$sort];
+ }
+ }
+ }
+
+ /**
+ * Defines how nlist() and rawlist() will be sorted - if at all.
+ *
+ * If sorting is enabled directories and files will be sorted independently with
+ * directories appearing before files in the resultant array that is returned.
+ *
+ * Any parameter returned by stat is a valid sort parameter for this function.
+ * Filename comparisons are case insensitive.
+ *
+ * Examples:
+ *
+ * $sftp->setListOrder('filename', SORT_ASC);
+ * $sftp->setListOrder('size', SORT_DESC, 'filename', SORT_ASC);
+ * $sftp->setListOrder(true);
+ * Separates directories from files but doesn't do any sorting beyond that
+ * $sftp->setListOrder();
+ * Don't do any sort of sorting
+ *
+ * @access public
+ */
+ function setListOrder()
+ {
+ $this->sortOptions = array();
+ $args = func_get_args();
+ if (empty($args)) {
+ return;
+ }
+ $len = count($args) & 0x7FFFFFFE;
+ for ($i = 0; $i < $len; $i+=2) {
+ $this->sortOptions[$args[$i]] = $args[$i + 1];
+ }
+ if (!count($this->sortOptions)) {
+ $this->sortOptions = array('bogus' => true);
+ }
+ }
+
+ /**
+ * Returns the file size, in bytes, or false, on failure
+ *
+ * Files larger than 4GB will show up as being exactly 4GB.
+ *
+ * @param String $filename
+ * @return Mixed
+ * @access public
+ */
+ function size($filename)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $result = $this->stat($filename);
+ if ($result === false) {
+ return false;
+ }
+ return isset($result['size']) ? $result['size'] : -1;
+ }
+
+ /**
+ * Save files / directories to cache
+ *
+ * @param String $path
+ * @param Mixed $value
+ * @access private
+ */
+ function _update_stat_cache($path, $value)
+ {
+ // preg_replace('#^/|/(?=/)|/$#', '', $dir) == str_replace('//', '/', trim($path, '/'))
+ $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path));
+
+ $temp = &$this->stat_cache;
+ foreach ($dirs as $dir) {
+ if (!isset($temp[$dir])) {
+ $temp[$dir] = array();
+ }
+ if ($dir == end($dirs)) {
+ $temp[$dir] = $value;
+ }
+ $temp = &$temp[$dir];
+ }
+ }
+
+ /**
+ * Remove files / directories from cache
+ *
+ * @param String $path
+ * @return Boolean
+ * @access private
+ */
+ function _remove_from_stat_cache($path)
+ {
+ $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path));
+
+ $temp = &$this->stat_cache;
+ foreach ($dirs as $dir) {
+ if ($dir == end($dirs)) {
+ unset($temp[$dir]);
+ return true;
+ }
+ if (!isset($temp[$dir])) {
+ return false;
+ }
+ $temp = &$temp[$dir];
+ }
+ }
+
+ /**
+ * Checks cache for path
+ *
+ * Mainly used by file_exists
+ *
+ * @param String $dir
+ * @return Mixed
+ * @access private
+ */
+ function _query_stat_cache($path)
+ {
+ $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path));
+
+ $temp = &$this->stat_cache;
+ foreach ($dirs as $dir) {
+ if (!isset($temp[$dir])) {
+ return null;
+ }
+ $temp = &$temp[$dir];
+ }
+ return $temp;
+ }
+
+ /**
+ * Returns general information about a file.
+ *
+ * Returns an array on success and false otherwise.
+ *
+ * @param String $filename
+ * @return Mixed
+ * @access public
+ */
+ function stat($filename)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $filename = $this->_realpath($filename);
+ if ($filename === false) {
+ return false;
+ }
+
+ if ($this->use_stat_cache) {
+ $result = $this->_query_stat_cache($filename);
+ if (is_array($result) && isset($result['.'])) {
+ return (array) $result['.'];
+ }
+ if (is_object($result)) {
+ return (array) $result;
+ }
+ }
+
+ $stat = $this->_stat($filename, NET_SFTP_STAT);
+ if ($stat === false) {
+ $this->_remove_from_stat_cache($filename);
+ return false;
+ }
+ if (isset($stat['type'])) {
+ if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) {
+ $filename.= '/.';
+ }
+ $this->_update_stat_cache($filename, (object) $stat);
+ return $stat;
+ }
+
+ $pwd = $this->pwd;
+ $stat['type'] = $this->chdir($filename) ?
+ NET_SFTP_TYPE_DIRECTORY :
+ NET_SFTP_TYPE_REGULAR;
+ $this->pwd = $pwd;
+
+ if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) {
+ $filename.= '/.';
+ }
+ $this->_update_stat_cache($filename, (object) $stat);
+
+ return $stat;
+ }
+
+ /**
+ * Returns general information about a file or symbolic link.
+ *
+ * Returns an array on success and false otherwise.
+ *
+ * @param String $filename
+ * @return Mixed
+ * @access public
+ */
+ function lstat($filename)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $filename = $this->_realpath($filename);
+ if ($filename === false) {
+ return false;
+ }
+
+ if ($this->use_stat_cache) {
+ $result = $this->_query_stat_cache($filename);
+ if (is_array($result) && isset($result['.'])) {
+ return (array) $result['.'];
+ }
+ if (is_object($result)) {
+ return (array) $result;
+ }
+ }
+
+ $lstat = $this->_stat($filename, NET_SFTP_LSTAT);
+ if ($lstat === false) {
+ $this->_remove_from_stat_cache($filename);
+ return false;
+ }
+ if (isset($lstat['type'])) {
+ if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) {
+ $filename.= '/.';
+ }
+ $this->_update_stat_cache($filename, (object) $lstat);
+ return $lstat;
+ }
+
+ $stat = $this->_stat($filename, NET_SFTP_STAT);
+
+ if ($lstat != $stat) {
+ $lstat = array_merge($lstat, array('type' => NET_SFTP_TYPE_SYMLINK));
+ $this->_update_stat_cache($filename, (object) $lstat);
+ return $stat;
+ }
+
+ $pwd = $this->pwd;
+ $lstat['type'] = $this->chdir($filename) ?
+ NET_SFTP_TYPE_DIRECTORY :
+ NET_SFTP_TYPE_REGULAR;
+ $this->pwd = $pwd;
+
+ if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) {
+ $filename.= '/.';
+ }
+ $this->_update_stat_cache($filename, (object) $lstat);
+
+ return $lstat;
+ }
+
+ /**
+ * Returns general information about a file or symbolic link
+ *
+ * Determines information without calling Net_SFTP::_realpath().
+ * The second parameter can be either NET_SFTP_STAT or NET_SFTP_LSTAT.
+ *
+ * @param String $filename
+ * @param Integer $type
+ * @return Mixed
+ * @access private
+ */
+ function _stat($filename, $type)
+ {
+ // SFTPv4+ adds an additional 32-bit integer field - flags - to the following:
+ $packet = pack('Na*', strlen($filename), $filename);
+ if (!$this->_send_sftp_packet($type, $packet)) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_ATTRS:
+ return $this->_parseAttributes($response);
+ case NET_SFTP_STATUS:
+ $this->_logError($response);
+ return false;
+ }
+
+ user_error('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS');
+ return false;
+ }
+
+ /**
+ * Truncates a file to a given length
+ *
+ * @param String $filename
+ * @param Integer $new_size
+ * @return Boolean
+ * @access public
+ */
+ function truncate($filename, $new_size)
+ {
+ $attr = pack('N3', NET_SFTP_ATTR_SIZE, $new_size / 4294967296, $new_size); // 4294967296 == 0x100000000 == 1<<32
+
+ return $this->_setstat($filename, $attr, false);
+ }
+
+ /**
+ * Sets access and modification time of file.
+ *
+ * If the file does not exist, it will be created.
+ *
+ * @param String $filename
+ * @param optional Integer $time
+ * @param optional Integer $atime
+ * @return Boolean
+ * @access public
+ */
+ function touch($filename, $time = null, $atime = null)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $filename = $this->_realpath($filename);
+ if ($filename === false) {
+ return false;
+ }
+
+ if (!isset($time)) {
+ $time = time();
+ }
+ if (!isset($atime)) {
+ $atime = $time;
+ }
+
+ $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE | NET_SFTP_OPEN_EXCL;
+ $attr = pack('N3', NET_SFTP_ATTR_ACCESSTIME, $time, $atime);
+ $packet = pack('Na*Na*', strlen($filename), $filename, $flags, $attr);
+ if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_HANDLE:
+ return $this->_close_handle(substr($response, 4));
+ case NET_SFTP_STATUS:
+ $this->_logError($response);
+ break;
+ default:
+ user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
+ return false;
+ }
+
+ return $this->_setstat($filename, $attr, false);
+ }
+
+ /**
+ * Changes file or directory owner
+ *
+ * Returns true on success or false on error.
+ *
+ * @param String $filename
+ * @param Integer $uid
+ * @param optional Boolean $recursive
+ * @return Boolean
+ * @access public
+ */
+ function chown($filename, $uid, $recursive = false)
+ {
+ // quoting from <http://www.kernel.org/doc/man-pages/online/pages/man2/chown.2.html>,
+ // "if the owner or group is specified as -1, then that ID is not changed"
+ $attr = pack('N3', NET_SFTP_ATTR_UIDGID, $uid, -1);
+
+ return $this->_setstat($filename, $attr, $recursive);
+ }
+
+ /**
+ * Changes file or directory group
+ *
+ * Returns true on success or false on error.
+ *
+ * @param String $filename
+ * @param Integer $gid
+ * @param optional Boolean $recursive
+ * @return Boolean
+ * @access public
+ */
+ function chgrp($filename, $gid, $recursive = false)
+ {
+ $attr = pack('N3', NET_SFTP_ATTR_UIDGID, -1, $gid);
+
+ return $this->_setstat($filename, $attr, $recursive);
+ }
+
+ /**
+ * Set permissions on a file.
+ *
+ * Returns the new file permissions on success or false on error.
+ * If $recursive is true than this just returns true or false.
+ *
+ * @param Integer $mode
+ * @param String $filename
+ * @param optional Boolean $recursive
+ * @return Mixed
+ * @access public
+ */
+ function chmod($mode, $filename, $recursive = false)
+ {
+ if (is_string($mode) && is_int($filename)) {
+ $temp = $mode;
+ $mode = $filename;
+ $filename = $temp;
+ }
+
+ $attr = pack('N2', NET_SFTP_ATTR_PERMISSIONS, $mode & 07777);
+ if (!$this->_setstat($filename, $attr, $recursive)) {
+ return false;
+ }
+ if ($recursive) {
+ return true;
+ }
+
+ // rather than return what the permissions *should* be, we'll return what they actually are. this will also
+ // tell us if the file actually exists.
+ // incidentally, SFTPv4+ adds an additional 32-bit integer field - flags - to the following:
+ $packet = pack('Na*', strlen($filename), $filename);
+ if (!$this->_send_sftp_packet(NET_SFTP_STAT, $packet)) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_ATTRS:
+ $attrs = $this->_parseAttributes($response);
+ return $attrs['permissions'];
+ case NET_SFTP_STATUS:
+ $this->_logError($response);
+ return false;
+ }
+
+ user_error('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS');
+ return false;
+ }
+
+ /**
+ * Sets information about a file
+ *
+ * @param String $filename
+ * @param String $attr
+ * @param Boolean $recursive
+ * @return Boolean
+ * @access private
+ */
+ function _setstat($filename, $attr, $recursive)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $filename = $this->_realpath($filename);
+ if ($filename === false) {
+ return false;
+ }
+
+ $this->_remove_from_stat_cache($filename);
+
+ if ($recursive) {
+ $i = 0;
+ $result = $this->_setstat_recursive($filename, $attr, $i);
+ $this->_read_put_responses($i);
+ return $result;
+ }
+
+ // SFTPv4+ has an additional byte field - type - that would need to be sent, as well. setting it to
+ // SSH_FILEXFER_TYPE_UNKNOWN might work. if not, we'd have to do an SSH_FXP_STAT before doing an SSH_FXP_SETSTAT.
+ if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($filename), $filename, $attr))) {
+ return false;
+ }
+
+ /*
+ "Because some systems must use separate system calls to set various attributes, it is possible that a failure
+ response will be returned, but yet some of the attributes may be have been successfully modified. If possible,
+ servers SHOULD avoid this situation; however, clients MUST be aware that this is possible."
+
+ -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.6
+ */
+ $response = $this->_get_sftp_packet();
+ if ($this->packet_type != NET_SFTP_STATUS) {
+ user_error('Expected SSH_FXP_STATUS');
+ return false;
+ }
+
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ if ($status != NET_SFTP_STATUS_OK) {
+ $this->_logError($response, $status);
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Recursively sets information on directories on the SFTP server
+ *
+ * Minimizes directory lookups and SSH_FXP_STATUS requests for speed.
+ *
+ * @param String $path
+ * @param String $attr
+ * @param Integer $i
+ * @return Boolean
+ * @access private
+ */
+ function _setstat_recursive($path, $attr, &$i)
+ {
+ if (!$this->_read_put_responses($i)) {
+ return false;
+ }
+ $i = 0;
+ $entries = $this->_list($path, true, false);
+
+ if ($entries === false) {
+ return $this->_setstat($path, $attr, false);
+ }
+
+ // normally $entries would have at least . and .. but it might not if the directories
+ // permissions didn't allow reading
+ if (empty($entries)) {
+ return false;
+ }
+
+ foreach ($entries as $filename=>$props) {
+ if ($filename == '.' || $filename == '..') {
+ continue;
+ }
+
+ if (!isset($props['type'])) {
+ return false;
+ }
+
+ $temp = $path . '/' . $filename;
+ if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) {
+ if (!$this->_setstat_recursive($temp, $attr, $i)) {
+ return false;
+ }
+ } else {
+ if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($temp), $temp, $attr))) {
+ return false;
+ }
+
+ $i++;
+
+ if ($i >= NET_SFTP_QUEUE_SIZE) {
+ if (!$this->_read_put_responses($i)) {
+ return false;
+ }
+ $i = 0;
+ }
+ }
+ }
+
+ if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($path), $path, $attr))) {
+ return false;
+ }
+
+ $i++;
+
+ if ($i >= NET_SFTP_QUEUE_SIZE) {
+ if (!$this->_read_put_responses($i)) {
+ return false;
+ }
+ $i = 0;
+ }
+
+ return true;
+ }
+
+ /**
+ * Return the target of a symbolic link
+ *
+ * @param String $link
+ * @return Mixed
+ * @access public
+ */
+ function readlink($link)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $link = $this->_realpath($link);
+
+ if (!$this->_send_sftp_packet(NET_SFTP_READLINK, pack('Na*', strlen($link), $link))) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_NAME:
+ break;
+ case NET_SFTP_STATUS:
+ $this->_logError($response);
+ return false;
+ default:
+ user_error('Expected SSH_FXP_NAME or SSH_FXP_STATUS');
+ return false;
+ }
+
+ extract(unpack('Ncount', $this->_string_shift($response, 4)));
+ // the file isn't a symlink
+ if (!$count) {
+ return false;
+ }
+
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ return $this->_string_shift($response, $length);
+ }
+
+ /**
+ * Create a symlink
+ *
+ * symlink() creates a symbolic link to the existing target with the specified name link.
+ *
+ * @param String $target
+ * @param String $link
+ * @return Boolean
+ * @access public
+ */
+ function symlink($target, $link)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $target = $this->_realpath($target);
+ $link = $this->_realpath($link);
+
+ $packet = pack('Na*Na*', strlen($target), $target, strlen($link), $link);
+ if (!$this->_send_sftp_packet(NET_SFTP_SYMLINK, $packet)) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ if ($this->packet_type != NET_SFTP_STATUS) {
+ user_error('Expected SSH_FXP_STATUS');
+ return false;
+ }
+
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ if ($status != NET_SFTP_STATUS_OK) {
+ $this->_logError($response, $status);
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Creates a directory.
+ *
+ * @param String $dir
+ * @return Boolean
+ * @access public
+ */
+ function mkdir($dir, $mode = -1, $recursive = false)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $dir = $this->_realpath($dir);
+ // by not providing any permissions, hopefully the server will use the logged in users umask - their
+ // default permissions.
+ $attr = $mode == -1 ? "\0\0\0\0" : pack('N2', NET_SFTP_ATTR_PERMISSIONS, $mode & 07777);
+
+ if ($recursive) {
+ $dirs = explode('/', preg_replace('#/(?=/)|/$#', '', $dir));
+ if (empty($dirs[0])) {
+ array_shift($dirs);
+ $dirs[0] = '/' . $dirs[0];
+ }
+ for ($i = 0; $i < count($dirs); $i++) {
+ $temp = array_slice($dirs, 0, $i + 1);
+ $temp = implode('/', $temp);
+ $result = $this->_mkdir_helper($temp, $attr);
+ }
+ return $result;
+ }
+
+ return $this->_mkdir_helper($dir, $attr);
+ }
+
+ /**
+ * Helper function for directory creation
+ *
+ * @param String $dir
+ * @return Boolean
+ * @access private
+ */
+ function _mkdir_helper($dir, $attr)
+ {
+ if (!$this->_send_sftp_packet(NET_SFTP_MKDIR, pack('Na*a*', strlen($dir), $dir, $attr))) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ if ($this->packet_type != NET_SFTP_STATUS) {
+ user_error('Expected SSH_FXP_STATUS');
+ return false;
+ }
+
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ if ($status != NET_SFTP_STATUS_OK) {
+ $this->_logError($response, $status);
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Removes a directory.
+ *
+ * @param String $dir
+ * @return Boolean
+ * @access public
+ */
+ function rmdir($dir)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $dir = $this->_realpath($dir);
+ if ($dir === false) {
+ return false;
+ }
+
+ if (!$this->_send_sftp_packet(NET_SFTP_RMDIR, pack('Na*', strlen($dir), $dir))) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ if ($this->packet_type != NET_SFTP_STATUS) {
+ user_error('Expected SSH_FXP_STATUS');
+ return false;
+ }
+
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ if ($status != NET_SFTP_STATUS_OK) {
+ // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED?
+ $this->_logError($response, $status);
+ return false;
+ }
+
+ $this->_remove_from_stat_cache($dir);
+ // the following will do a soft delete, which would be useful if you deleted a file
+ // and then tried to do a stat on the deleted file. the above, in contrast, does
+ // a hard delete
+ //$this->_update_stat_cache($dir, false);
+
+ return true;
+ }
+
+ /**
+ * Uploads a file to the SFTP server.
+ *
+ * By default, Net_SFTP::put() does not read from the local filesystem. $data is dumped directly into $remote_file.
+ * So, for example, if you set $data to 'filename.ext' and then do Net_SFTP::get(), you will get a file, twelve bytes
+ * long, containing 'filename.ext' as its contents.
+ *
+ * Setting $mode to NET_SFTP_LOCAL_FILE will change the above behavior. With NET_SFTP_LOCAL_FILE, $remote_file will
+ * contain as many bytes as filename.ext does on your local filesystem. If your filename.ext is 1MB then that is how
+ * large $remote_file will be, as well.
+ *
+ * Currently, only binary mode is supported. As such, if the line endings need to be adjusted, you will need to take
+ * care of that, yourself.
+ *
+ * $mode can take an additional two parameters - NET_SFTP_RESUME and NET_SFTP_RESUME_START. These are bitwise AND'd with
+ * $mode. So if you want to resume upload of a 300mb file on the local file system you'd set $mode to the following:
+ *
+ * NET_SFTP_LOCAL_FILE | NET_SFTP_RESUME
+ *
+ * If you wanted to simply append the full contents of a local file to the full contents of a remote file you'd replace
+ * NET_SFTP_RESUME with NET_SFTP_RESUME_START.
+ *
+ * If $mode & (NET_SFTP_RESUME | NET_SFTP_RESUME_START) then NET_SFTP_RESUME_START will be assumed.
+ *
+ * $start and $local_start give you more fine grained control over this process and take precident over NET_SFTP_RESUME
+ * when they're non-negative. ie. $start could let you write at the end of a file (like NET_SFTP_RESUME) or in the middle
+ * of one. $local_start could let you start your reading from the end of a file (like NET_SFTP_RESUME_START) or in the
+ * middle of one.
+ *
+ * Setting $local_start to > 0 or $mode | NET_SFTP_RESUME_START doesn't do anything unless $mode | NET_SFTP_LOCAL_FILE.
+ *
+ * @param String $remote_file
+ * @param String $data
+ * @param optional Integer $mode
+ * @param optional Integer $start
+ * @param optional Integer $local_start
+ * @return Boolean
+ * @access public
+ * @internal ASCII mode for SFTPv4/5/6 can be supported by adding a new function - Net_SFTP::setMode().
+ */
+ function put($remote_file, $data, $mode = NET_SFTP_STRING, $start = -1, $local_start = -1)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $remote_file = $this->_realpath($remote_file);
+ if ($remote_file === false) {
+ return false;
+ }
+
+ $this->_remove_from_stat_cache($remote_file);
+
+ $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE;
+ // according to the SFTP specs, NET_SFTP_OPEN_APPEND should "force all writes to append data at the end of the file."
+ // in practice, it doesn't seem to do that.
+ //$flags|= ($mode & NET_SFTP_RESUME) ? NET_SFTP_OPEN_APPEND : NET_SFTP_OPEN_TRUNCATE;
+
+ if ($start >= 0) {
+ $offset = $start;
+ } elseif ($mode & NET_SFTP_RESUME) {
+ // if NET_SFTP_OPEN_APPEND worked as it should _size() wouldn't need to be called
+ $size = $this->size($remote_file);
+ $offset = $size !== false ? $size : 0;
+ } else {
+ $offset = 0;
+ $flags|= NET_SFTP_OPEN_TRUNCATE;
+ }
+
+ $packet = pack('Na*N2', strlen($remote_file), $remote_file, $flags, 0);
+ if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_HANDLE:
+ $handle = substr($response, 4);
+ break;
+ case NET_SFTP_STATUS:
+ $this->_logError($response);
+ return false;
+ default:
+ user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
+ return false;
+ }
+
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.3
+ if ($mode & NET_SFTP_LOCAL_FILE) {
+ if (!is_file($data)) {
+ user_error("$data is not a valid file");
+ return false;
+ }
+ $fp = @fopen($data, 'rb');
+ if (!$fp) {
+ return false;
+ }
+ $size = filesize($data);
+
+ if ($local_start >= 0) {
+ fseek($fp, $local_start);
+ } elseif ($mode & NET_SFTP_RESUME_START) {
+ // do nothing
+ } else {
+ fseek($fp, $offset);
+ }
+ } else {
+ $size = strlen($data);
+ }
+
+ $sent = 0;
+ $size = $size < 0 ? ($size & 0x7FFFFFFF) + 0x80000000 : $size;
+
+ $sftp_packet_size = 4096; // PuTTY uses 4096
+ // make the SFTP packet be exactly 4096 bytes by including the bytes in the NET_SFTP_WRITE packets "header"
+ $sftp_packet_size-= strlen($handle) + 25;
+ $i = 0;
+ while ($sent < $size) {
+ $temp = $mode & NET_SFTP_LOCAL_FILE ? fread($fp, $sftp_packet_size) : substr($data, $sent, $sftp_packet_size);
+ $subtemp = $offset + $sent;
+ $packet = pack('Na*N3a*', strlen($handle), $handle, $subtemp / 4294967296, $subtemp, strlen($temp), $temp);
+ if (!$this->_send_sftp_packet(NET_SFTP_WRITE, $packet)) {
+ fclose($fp);
+ return false;
+ }
+ $sent+= strlen($temp);
+
+ $i++;
+
+ if ($i == NET_SFTP_QUEUE_SIZE) {
+ if (!$this->_read_put_responses($i)) {
+ $i = 0;
+ break;
+ }
+ $i = 0;
+ }
+ }
+
+ if (!$this->_read_put_responses($i)) {
+ if ($mode & NET_SFTP_LOCAL_FILE) {
+ fclose($fp);
+ }
+ $this->_close_handle($handle);
+ return false;
+ }
+
+ if ($mode & NET_SFTP_LOCAL_FILE) {
+ fclose($fp);
+ }
+
+ return $this->_close_handle($handle);
+ }
+
+ /**
+ * Reads multiple successive SSH_FXP_WRITE responses
+ *
+ * Sending an SSH_FXP_WRITE packet and immediately reading its response isn't as efficient as blindly sending out $i
+ * SSH_FXP_WRITEs, in succession, and then reading $i responses.
+ *
+ * @param Integer $i
+ * @return Boolean
+ * @access private
+ */
+ function _read_put_responses($i)
+ {
+ while ($i--) {
+ $response = $this->_get_sftp_packet();
+ if ($this->packet_type != NET_SFTP_STATUS) {
+ user_error('Expected SSH_FXP_STATUS');
+ return false;
+ }
+
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ if ($status != NET_SFTP_STATUS_OK) {
+ $this->_logError($response, $status);
+ break;
+ }
+ }
+
+ return $i < 0;
+ }
+
+ /**
+ * Close handle
+ *
+ * @param String $handle
+ * @return Boolean
+ * @access private
+ */
+ function _close_handle($handle)
+ {
+ if (!$this->_send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle))) {
+ return false;
+ }
+
+ // "The client MUST release all resources associated with the handle regardless of the status."
+ // -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.3
+ $response = $this->_get_sftp_packet();
+ if ($this->packet_type != NET_SFTP_STATUS) {
+ user_error('Expected SSH_FXP_STATUS');
+ return false;
+ }
+
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ if ($status != NET_SFTP_STATUS_OK) {
+ $this->_logError($response, $status);
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Downloads a file from the SFTP server.
+ *
+ * Returns a string containing the contents of $remote_file if $local_file is left undefined or a boolean false if
+ * the operation was unsuccessful. If $local_file is defined, returns true or false depending on the success of the
+ * operation.
+ *
+ * $offset and $length can be used to download files in chunks.
+ *
+ * @param String $remote_file
+ * @param optional String $local_file
+ * @param optional Integer $offset
+ * @param optional Integer $length
+ * @return Mixed
+ * @access public
+ */
+ function get($remote_file, $local_file = false, $offset = 0, $length = -1)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $remote_file = $this->_realpath($remote_file);
+ if ($remote_file === false) {
+ return false;
+ }
+
+ $packet = pack('Na*N2', strlen($remote_file), $remote_file, NET_SFTP_OPEN_READ, 0);
+ if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_HANDLE:
+ $handle = substr($response, 4);
+ break;
+ case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
+ $this->_logError($response);
+ return false;
+ default:
+ user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
+ return false;
+ }
+
+ if ($local_file !== false) {
+ $fp = fopen($local_file, 'wb');
+ if (!$fp) {
+ return false;
+ }
+ } else {
+ $content = '';
+ }
+
+ $start = $offset;
+ $size = $this->max_sftp_packet < $length || $length < 0 ? $this->max_sftp_packet : $length;
+ while (true) {
+ $packet = pack('Na*N3', strlen($handle), $handle, $offset / 4294967296, $offset, $size);
+ if (!$this->_send_sftp_packet(NET_SFTP_READ, $packet)) {
+ if ($local_file !== false) {
+ fclose($fp);
+ }
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ switch ($this->packet_type) {
+ case NET_SFTP_DATA:
+ $temp = substr($response, 4);
+ $offset+= strlen($temp);
+ if ($local_file === false) {
+ $content.= $temp;
+ } else {
+ fputs($fp, $temp);
+ }
+ break;
+ case NET_SFTP_STATUS:
+ // could, in theory, return false if !strlen($content) but we'll hold off for the time being
+ $this->_logError($response);
+ break 2;
+ default:
+ user_error('Expected SSH_FXP_DATA or SSH_FXP_STATUS');
+ if ($local_file !== false) {
+ fclose($fp);
+ }
+ return false;
+ }
+
+ if ($length > 0 && $length <= $offset - $start) {
+ break;
+ }
+ }
+
+ if ($length > 0 && $length <= $offset - $start) {
+ if ($local_file === false) {
+ $content = substr($content, 0, $length);
+ } else {
+ ftruncate($fp, $length);
+ }
+ }
+
+ if ($local_file !== false) {
+ fclose($fp);
+ }
+
+ if (!$this->_close_handle($handle)) {
+ return false;
+ }
+
+ // if $content isn't set that means a file was written to
+ return isset($content) ? $content : true;
+ }
+
+ /**
+ * Deletes a file on the SFTP server.
+ *
+ * @param String $path
+ * @param Boolean $recursive
+ * @return Boolean
+ * @access public
+ */
+ function delete($path, $recursive = true)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $path = $this->_realpath($path);
+ if ($path === false) {
+ return false;
+ }
+
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3
+ if (!$this->_send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($path), $path))) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ if ($this->packet_type != NET_SFTP_STATUS) {
+ user_error('Expected SSH_FXP_STATUS');
+ return false;
+ }
+
+ // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ if ($status != NET_SFTP_STATUS_OK) {
+ $this->_logError($response, $status);
+ if (!$recursive) {
+ return false;
+ }
+ $i = 0;
+ $result = $this->_delete_recursive($path, $i);
+ $this->_read_put_responses($i);
+ return $result;
+ }
+
+ $this->_remove_from_stat_cache($path);
+
+ return true;
+ }
+
+ /**
+ * Recursively deletes directories on the SFTP server
+ *
+ * Minimizes directory lookups and SSH_FXP_STATUS requests for speed.
+ *
+ * @param String $path
+ * @param Integer $i
+ * @return Boolean
+ * @access private
+ */
+ function _delete_recursive($path, &$i)
+ {
+ if (!$this->_read_put_responses($i)) {
+ return false;
+ }
+ $i = 0;
+ $entries = $this->_list($path, true, false);
+
+ // normally $entries would have at least . and .. but it might not if the directories
+ // permissions didn't allow reading
+ if (empty($entries)) {
+ return false;
+ }
+
+ foreach ($entries as $filename=>$props) {
+ if ($filename == '.' || $filename == '..') {
+ continue;
+ }
+
+ if (!isset($props['type'])) {
+ return false;
+ }
+
+ $temp = $path . '/' . $filename;
+ if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) {
+ if (!$this->_delete_recursive($temp, $i)) {
+ return false;
+ }
+ } else {
+ if (!$this->_send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($temp), $temp))) {
+ return false;
+ }
+
+ $i++;
+
+ if ($i >= NET_SFTP_QUEUE_SIZE) {
+ if (!$this->_read_put_responses($i)) {
+ return false;
+ }
+ $i = 0;
+ }
+ }
+ $this->_remove_from_stat_cache($path);
+ }
+
+ if (!$this->_send_sftp_packet(NET_SFTP_RMDIR, pack('Na*', strlen($path), $path))) {
+ return false;
+ }
+
+ $i++;
+
+ if ($i >= NET_SFTP_QUEUE_SIZE) {
+ if (!$this->_read_put_responses($i)) {
+ return false;
+ }
+ $i = 0;
+ }
+
+ return true;
+ }
+
+ /**
+ * Checks whether a file or directory exists
+ *
+ * @param String $path
+ * @return Boolean
+ * @access public
+ */
+ function file_exists($path)
+ {
+ if ($this->use_stat_cache) {
+ $path = $this->_realpath($path);
+
+ $result = $this->_query_stat_cache($path);
+
+ if (isset($result)) {
+ // return true if $result is an array or if it's int(1)
+ return $result !== false;
+ }
+ }
+
+ return $this->stat($path) !== false;
+ }
+
+ /**
+ * Tells whether the filename is a directory
+ *
+ * @param String $path
+ * @return Boolean
+ * @access public
+ */
+ function is_dir($path)
+ {
+ $result = $this->_get_stat_cache_prop($path, 'type');
+ if ($result === false) {
+ return false;
+ }
+ return $result === NET_SFTP_TYPE_DIRECTORY;
+ }
+
+ /**
+ * Tells whether the filename is a regular file
+ *
+ * @param String $path
+ * @return Boolean
+ * @access public
+ */
+ function is_file($path)
+ {
+ $result = $this->_get_stat_cache_prop($path, 'type');
+ if ($result === false) {
+ return false;
+ }
+ return $result === NET_SFTP_TYPE_REGULAR;
+ }
+
+ /**
+ * Tells whether the filename is a symbolic link
+ *
+ * @param String $path
+ * @return Boolean
+ * @access public
+ */
+ function is_link($path)
+ {
+ $result = $this->_get_stat_cache_prop($path, 'type');
+ if ($result === false) {
+ return false;
+ }
+ return $result === NET_SFTP_TYPE_SYMLINK;
+ }
+
+ /**
+ * Gets last access time of file
+ *
+ * @param String $path
+ * @return Mixed
+ * @access public
+ */
+ function fileatime($path)
+ {
+ return $this->_get_stat_cache_prop($path, 'atime');
+ }
+
+ /**
+ * Gets file modification time
+ *
+ * @param String $path
+ * @return Mixed
+ * @access public
+ */
+ function filemtime($path)
+ {
+ return $this->_get_stat_cache_prop($path, 'mtime');
+ }
+
+ /**
+ * Gets file permissions
+ *
+ * @param String $path
+ * @return Mixed
+ * @access public
+ */
+ function fileperms($path)
+ {
+ return $this->_get_stat_cache_prop($path, 'permissions');
+ }
+
+ /**
+ * Gets file owner
+ *
+ * @param String $path
+ * @return Mixed
+ * @access public
+ */
+ function fileowner($path)
+ {
+ return $this->_get_stat_cache_prop($path, 'uid');
+ }
+
+ /**
+ * Gets file group
+ *
+ * @param String $path
+ * @return Mixed
+ * @access public
+ */
+ function filegroup($path)
+ {
+ return $this->_get_stat_cache_prop($path, 'gid');
+ }
+
+ /**
+ * Gets file size
+ *
+ * @param String $path
+ * @return Mixed
+ * @access public
+ */
+ function filesize($path)
+ {
+ return $this->_get_stat_cache_prop($path, 'size');
+ }
+
+ /**
+ * Gets file type
+ *
+ * @param String $path
+ * @return Mixed
+ * @access public
+ */
+ function filetype($path)
+ {
+ $type = $this->_get_stat_cache_prop($path, 'type');
+ if ($type === false) {
+ return false;
+ }
+
+ switch ($type) {
+ case NET_SFTP_BLOCK_DEVICE: return 'block';
+ case NET_SFTP_TYPE_CHAR_DEVICE: return 'char';
+ case NET_SFTP_TYPE_DIRECTORY: return 'dir';
+ case NET_SFTP_TYPE_FIFO: return 'fifo';
+ case NET_SFTP_TYPE_REGULAR: return 'file';
+ case NET_SFTP_TYPE_SYMLINK: return 'link';
+ default: return false;
+ }
+ }
+
+ /**
+ * Return a stat properity
+ *
+ * Uses cache if appropriate.
+ *
+ * @param String $path
+ * @param String $prop
+ * @return Mixed
+ * @access private
+ */
+ function _get_stat_cache_prop($path, $prop)
+ {
+ if ($this->use_stat_cache) {
+ $path = $this->_realpath($path);
+
+ $result = $this->_query_stat_cache($path);
+
+ if (is_object($result) && isset($result->$prop)) {
+ return $result->$prop;
+ }
+ }
+
+ $result = $this->stat($path);
+
+ if ($result === false || !isset($result[$prop])) {
+ return false;
+ }
+
+ return $result[$prop];
+ }
+
+ /**
+ * Renames a file or a directory on the SFTP server
+ *
+ * @param String $oldname
+ * @param String $newname
+ * @return Boolean
+ * @access public
+ */
+ function rename($oldname, $newname)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ $oldname = $this->_realpath($oldname);
+ $newname = $this->_realpath($newname);
+ if ($oldname === false || $newname === false) {
+ return false;
+ }
+
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3
+ $packet = pack('Na*Na*', strlen($oldname), $oldname, strlen($newname), $newname);
+ if (!$this->_send_sftp_packet(NET_SFTP_RENAME, $packet)) {
+ return false;
+ }
+
+ $response = $this->_get_sftp_packet();
+ if ($this->packet_type != NET_SFTP_STATUS) {
+ user_error('Expected SSH_FXP_STATUS');
+ return false;
+ }
+
+ // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
+ extract(unpack('Nstatus', $this->_string_shift($response, 4)));
+ if ($status != NET_SFTP_STATUS_OK) {
+ $this->_logError($response, $status);
+ return false;
+ }
+
+ // don't move the stat cache entry over since this operation could very well change the
+ // atime and mtime attributes
+ //$this->_update_stat_cache($newname, $this->_query_stat_cache($oldname));
+ $this->_remove_from_stat_cache($oldname);
+ $this->_remove_from_stat_cache($newname);
+
+ return true;
+ }
+
+ /**
+ * Parse Attributes
+ *
+ * See '7. File Attributes' of draft-ietf-secsh-filexfer-13 for more info.
+ *
+ * @param String $response
+ * @return Array
+ * @access private
+ */
+ function _parseAttributes(&$response)
+ {
+ $attr = array();
+ extract(unpack('Nflags', $this->_string_shift($response, 4)));
+ // SFTPv4+ have a type field (a byte) that follows the above flag field
+ foreach ($this->attributes as $key => $value) {
+ switch ($flags & $key) {
+ case NET_SFTP_ATTR_SIZE: // 0x00000001
+ // size is represented by a 64-bit integer, so we perhaps ought to be doing the following:
+ // $attr['size'] = new Math_BigInteger($this->_string_shift($response, 8), 256);
+ // of course, you shouldn't be using Net_SFTP to transfer files that are in excess of 4GB
+ // (0xFFFFFFFF bytes), anyway. as such, we'll just represent all file sizes that are bigger than
+ // 4GB as being 4GB.
+ extract(unpack('Nupper/Nsize', $this->_string_shift($response, 8)));
+ $attr['size'] = $upper ? 4294967296 * $upper : 0;
+ $attr['size']+= $size < 0 ? ($size & 0x7FFFFFFF) + 0x80000000 : $size;
+ break;
+ case NET_SFTP_ATTR_UIDGID: // 0x00000002 (SFTPv3 only)
+ $attr+= unpack('Nuid/Ngid', $this->_string_shift($response, 8));
+ break;
+ case NET_SFTP_ATTR_PERMISSIONS: // 0x00000004
+ $attr+= unpack('Npermissions', $this->_string_shift($response, 4));
+ // mode == permissions; permissions was the original array key and is retained for bc purposes.
+ // mode was added because that's the more industry standard terminology
+ $attr+= array('mode' => $attr['permissions']);
+ $fileType = $this->_parseMode($attr['permissions']);
+ if ($fileType !== false) {
+ $attr+= array('type' => $fileType);
+ }
+ break;
+ case NET_SFTP_ATTR_ACCESSTIME: // 0x00000008
+ $attr+= unpack('Natime/Nmtime', $this->_string_shift($response, 8));
+ break;
+ case NET_SFTP_ATTR_EXTENDED: // 0x80000000
+ extract(unpack('Ncount', $this->_string_shift($response, 4)));
+ for ($i = 0; $i < $count; $i++) {
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $key = $this->_string_shift($response, $length);
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $attr[$key] = $this->_string_shift($response, $length);
+ }
+ }
+ }
+ return $attr;
+ }
+
+ /**
+ * Attempt to identify the file type
+ *
+ * Quoting the SFTP RFC, "Implementations MUST NOT send bits that are not defined" but they seem to anyway
+ *
+ * @param Integer $mode
+ * @return Integer
+ * @access private
+ */
+ function _parseMode($mode)
+ {
+ // values come from http://lxr.free-electrons.com/source/include/uapi/linux/stat.h#L12
+ // see, also, http://linux.die.net/man/2/stat
+ switch ($mode & 0170000) {// ie. 1111 0000 0000 0000
+ case 0000000: // no file type specified - figure out the file type using alternative means
+ return false;
+ case 0040000:
+ return NET_SFTP_TYPE_DIRECTORY;
+ case 0100000:
+ return NET_SFTP_TYPE_REGULAR;
+ case 0120000:
+ return NET_SFTP_TYPE_SYMLINK;
+ // new types introduced in SFTPv5+
+ // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2
+ case 0010000: // named pipe (fifo)
+ return NET_SFTP_TYPE_FIFO;
+ case 0020000: // character special
+ return NET_SFTP_TYPE_CHAR_DEVICE;
+ case 0060000: // block special
+ return NET_SFTP_BLOCK_DEVICE;
+ case 0140000: // socket
+ return NET_SFTP_TYPE_SOCKET;
+ case 0160000: // whiteout
+ // "SPECIAL should be used for files that are of
+ // a known type which cannot be expressed in the protocol"
+ return NET_SFTP_TYPE_SPECIAL;
+ default:
+ return NET_SFTP_TYPE_UNKNOWN;
+ }
+ }
+
+ /**
+ * Parse Longname
+ *
+ * SFTPv3 doesn't provide any easy way of identifying a file type. You could try to open
+ * a file as a directory and see if an error is returned or you could try to parse the
+ * SFTPv3-specific longname field of the SSH_FXP_NAME packet. That's what this function does.
+ * The result is returned using the
+ * {@link http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2 SFTPv4 type constants}.
+ *
+ * If the longname is in an unrecognized format bool(false) is returned.
+ *
+ * @param String $longname
+ * @return Mixed
+ * @access private
+ */
+ function _parseLongname($longname)
+ {
+ // http://en.wikipedia.org/wiki/Unix_file_types
+ // http://en.wikipedia.org/wiki/Filesystem_permissions#Notation_of_traditional_Unix_permissions
+ if (preg_match('#^[^/]([r-][w-][xstST-]){3}#', $longname)) {
+ switch ($longname[0]) {
+ case '-':
+ return NET_SFTP_TYPE_REGULAR;
+ case 'd':
+ return NET_SFTP_TYPE_DIRECTORY;
+ case 'l':
+ return NET_SFTP_TYPE_SYMLINK;
+ default:
+ return NET_SFTP_TYPE_SPECIAL;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Sends SFTP Packets
+ *
+ * See '6. General Packet Format' of draft-ietf-secsh-filexfer-13 for more info.
+ *
+ * @param Integer $type
+ * @param String $data
+ * @see Net_SFTP::_get_sftp_packet()
+ * @see Net_SSH2::_send_channel_packet()
+ * @return Boolean
+ * @access private
+ */
+ function _send_sftp_packet($type, $data)
+ {
+ $packet = $this->request_id !== false ?
+ pack('NCNa*', strlen($data) + 5, $type, $this->request_id, $data) :
+ pack('NCa*', strlen($data) + 1, $type, $data);
+
+ $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
+ $result = $this->_send_channel_packet(NET_SFTP_CHANNEL, $packet);
+ $stop = strtok(microtime(), ' ') + strtok('');
+
+ if (defined('NET_SFTP_LOGGING')) {
+ $packet_type = '-> ' . $this->packet_types[$type] .
+ ' (' . round($stop - $start, 4) . 's)';
+ if (NET_SFTP_LOGGING == NET_SFTP_LOG_REALTIME) {
+ echo "<pre>\r\n" . $this->_format_log(array($data), array($packet_type)) . "\r\n</pre>\r\n";
+ flush();
+ ob_flush();
+ } else {
+ $this->packet_type_log[] = $packet_type;
+ if (NET_SFTP_LOGGING == NET_SFTP_LOG_COMPLEX) {
+ $this->packet_log[] = $data;
+ }
+ }
+ }
+
+ return $result;
+ }
+
+ /**
+ * Receives SFTP Packets
+ *
+ * See '6. General Packet Format' of draft-ietf-secsh-filexfer-13 for more info.
+ *
+ * Incidentally, the number of SSH_MSG_CHANNEL_DATA messages has no bearing on the number of SFTP packets present.
+ * There can be one SSH_MSG_CHANNEL_DATA messages containing two SFTP packets or there can be two SSH_MSG_CHANNEL_DATA
+ * messages containing one SFTP packet.
+ *
+ * @see Net_SFTP::_send_sftp_packet()
+ * @return String
+ * @access private
+ */
+ function _get_sftp_packet()
+ {
+ $this->curTimeout = false;
+
+ $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
+
+ // SFTP packet length
+ while (strlen($this->packet_buffer) < 4) {
+ $temp = $this->_get_channel_packet(NET_SFTP_CHANNEL);
+ if (is_bool($temp)) {
+ $this->packet_type = false;
+ $this->packet_buffer = '';
+ return false;
+ }
+ $this->packet_buffer.= $temp;
+ }
+ extract(unpack('Nlength', $this->_string_shift($this->packet_buffer, 4)));
+ $tempLength = $length;
+ $tempLength-= strlen($this->packet_buffer);
+
+ // SFTP packet type and data payload
+ while ($tempLength > 0) {
+ $temp = $this->_get_channel_packet(NET_SFTP_CHANNEL);
+ if (is_bool($temp)) {
+ $this->packet_type = false;
+ $this->packet_buffer = '';
+ return false;
+ }
+ $this->packet_buffer.= $temp;
+ $tempLength-= strlen($temp);
+ }
+
+ $stop = strtok(microtime(), ' ') + strtok('');
+
+ $this->packet_type = ord($this->_string_shift($this->packet_buffer));
+
+ if ($this->request_id !== false) {
+ $this->_string_shift($this->packet_buffer, 4); // remove the request id
+ $length-= 5; // account for the request id and the packet type
+ } else {
+ $length-= 1; // account for the packet type
+ }
+
+ $packet = $this->_string_shift($this->packet_buffer, $length);
+
+ if (defined('NET_SFTP_LOGGING')) {
+ $packet_type = '<- ' . $this->packet_types[$this->packet_type] .
+ ' (' . round($stop - $start, 4) . 's)';
+ if (NET_SFTP_LOGGING == NET_SFTP_LOG_REALTIME) {
+ echo "<pre>\r\n" . $this->_format_log(array($packet), array($packet_type)) . "\r\n</pre>\r\n";
+ flush();
+ ob_flush();
+ } else {
+ $this->packet_type_log[] = $packet_type;
+ if (NET_SFTP_LOGGING == NET_SFTP_LOG_COMPLEX) {
+ $this->packet_log[] = $packet;
+ }
+ }
+ }
+
+ return $packet;
+ }
+
+ /**
+ * Returns a log of the packets that have been sent and received.
+ *
+ * Returns a string if NET_SFTP_LOGGING == NET_SFTP_LOG_COMPLEX, an array if NET_SFTP_LOGGING == NET_SFTP_LOG_SIMPLE and false if !defined('NET_SFTP_LOGGING')
+ *
+ * @access public
+ * @return String or Array
+ */
+ function getSFTPLog()
+ {
+ if (!defined('NET_SFTP_LOGGING')) {
+ return false;
+ }
+
+ switch (NET_SFTP_LOGGING) {
+ case NET_SFTP_LOG_COMPLEX:
+ return $this->_format_log($this->packet_log, $this->packet_type_log);
+ break;
+ //case NET_SFTP_LOG_SIMPLE:
+ default:
+ return $this->packet_type_log;
+ }
+ }
+
+ /**
+ * Returns all errors
+ *
+ * @return String
+ * @access public
+ */
+ function getSFTPErrors()
+ {
+ return $this->sftp_errors;
+ }
+
+ /**
+ * Returns the last error
+ *
+ * @return String
+ * @access public
+ */
+ function getLastSFTPError()
+ {
+ return count($this->sftp_errors) ? $this->sftp_errors[count($this->sftp_errors) - 1] : '';
+ }
+
+ /**
+ * Get supported SFTP versions
+ *
+ * @return Array
+ * @access public
+ */
+ function getSupportedVersions()
+ {
+ $temp = array('version' => $this->version);
+ if (isset($this->extensions['versions'])) {
+ $temp['extensions'] = $this->extensions['versions'];
+ }
+ return $temp;
+ }
+
+ /**
+ * Disconnect
+ *
+ * @param Integer $reason
+ * @return Boolean
+ * @access private
+ */
+ function _disconnect($reason)
+ {
+ $this->pwd = false;
+ parent::_disconnect($reason);
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Net/SFTP/Stream.php b/libs/phpseclib-0.3.7/Net/SFTP/Stream.php new file mode 100644 index 0000000..0c84ab4 --- /dev/null +++ b/libs/phpseclib-0.3.7/Net/SFTP/Stream.php @@ -0,0 +1,802 @@ +<?php
+
+/**
+ * SFTP Stream Wrapper
+ *
+ * Creates an sftp:// protocol handler that can be used with, for example, fopen(), dir(), etc.
+ *
+ * PHP version 5
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Net
+ * @package Net_SFTP_Stream
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMXIII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * SFTP Stream Wrapper
+ *
+ * @package Net_SFTP_Stream
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Net_SFTP_Stream
+{
+ /**
+ * SFTP instances
+ *
+ * Rather than re-create the connection we re-use instances if possible
+ *
+ * @var Array
+ * @access static
+ */
+ static $instances;
+
+ /**
+ * SFTP instance
+ *
+ * @var Object
+ * @access private
+ */
+ var $sftp;
+
+ /**
+ * Path
+ *
+ * @var String
+ * @access private
+ */
+ var $path;
+
+ /**
+ * Mode
+ *
+ * @var String
+ * @access private
+ */
+ var $mode;
+
+ /**
+ * Position
+ *
+ * @var Integer
+ * @access private
+ */
+ var $pos;
+
+ /**
+ * Size
+ *
+ * @var Integer
+ * @access private
+ */
+ var $size;
+
+ /**
+ * Directory entries
+ *
+ * @var Array
+ * @access private
+ */
+ var $entries;
+
+ /**
+ * EOF flag
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $eof;
+
+ /**
+ * Context resource
+ *
+ * Technically this needs to be publically accessible so PHP can set it directly
+ *
+ * @var Resource
+ * @access public
+ */
+ var $context;
+
+ /**
+ * Notification callback function
+ *
+ * @var Callable
+ * @access public
+ */
+ var $notification;
+
+ /**
+ * Registers this class as a URL wrapper.
+ *
+ * @param optional String $protocol The wrapper name to be registered.
+ * @return Boolean True on success, false otherwise.
+ * @access public
+ */
+ static function register($protocol = 'sftp')
+ {
+ if (in_array($protocol, stream_get_wrappers(), true)) {
+ return false;
+ }
+ $class = function_exists('get_called_class') ? get_called_class() : __CLASS__;
+ return stream_wrapper_register($protocol, $class);
+ }
+
+ /**
+ * The Constructor
+ *
+ * @access public
+ */
+ function Net_SFTP_Stream()
+ {
+ if (defined('NET_SFTP_STREAM_LOGGING')) {
+ echo "__construct()\r\n";
+ }
+
+ if (!class_exists('Net_SFTP')) {
+ include_once 'Net/SFTP.php';
+ }
+ }
+
+ /**
+ * Path Parser
+ *
+ * Extract a path from a URI and actually connect to an SSH server if appropriate
+ *
+ * If "notification" is set as a context parameter the message code for successful login is
+ * NET_SSH2_MSG_USERAUTH_SUCCESS. For a failed login it's NET_SSH2_MSG_USERAUTH_FAILURE.
+ *
+ * @param String $path
+ * @return String
+ * @access private
+ */
+ function _parse_path($path)
+ {
+ extract(parse_url($path) + array('port' => 22));
+
+ if (!isset($host)) {
+ return false;
+ }
+
+ if (isset($this->context)) {
+ $context = stream_context_get_params($this->context);
+ if (isset($context['notification'])) {
+ $this->notification = $context['notification'];
+ }
+ }
+
+ if ($host[0] == '$') {
+ $host = substr($host, 1);
+ global $$host;
+ if (!is_object($$host) || get_class($$host) != 'Net_SFTP') {
+ return false;
+ }
+ $this->sftp = $$host;
+ } else {
+ if (isset($this->context)) {
+ $context = stream_context_get_options($this->context);
+ }
+ if (isset($context[$scheme]['session'])) {
+ $sftp = $context[$scheme]['session'];
+ }
+ if (isset($context[$scheme]['sftp'])) {
+ $sftp = $context[$scheme]['sftp'];
+ }
+ if (isset($sftp) && is_object($sftp) && get_class($sftp) == 'Net_SFTP') {
+ $this->sftp = $sftp;
+ return $path;
+ }
+ if (isset($context[$scheme]['username'])) {
+ $user = $context[$scheme]['username'];
+ }
+ if (isset($context[$scheme]['password'])) {
+ $pass = $context[$scheme]['password'];
+ }
+ if (isset($context[$scheme]['privkey']) && is_object($context[$scheme]['privkey']) && get_Class($context[$scheme]['privkey']) == 'Crypt_RSA') {
+ $pass = $context[$scheme]['privkey'];
+ }
+
+ if (!isset($user) || !isset($pass)) {
+ return false;
+ }
+
+ // casting $pass to a string is necessary in the event that it's a Crypt_RSA object
+ if (isset(self::$instances[$host][$port][$user][(string) $pass])) {
+ $this->sftp = self::$instances[$host][$port][$user][(string) $pass];
+ } else {
+ $this->sftp = new Net_SFTP($host, $port);
+ $this->sftp->disableStatCache();
+ if (isset($this->notification) && is_callable($this->notification)) {
+ /* if !is_callable($this->notification) we could do this:
+
+ user_error('fopen(): failed to call user notifier', E_USER_WARNING);
+
+ the ftp wrapper gives errors like that when the notifier isn't callable.
+ i've opted not to do that, however, since the ftp wrapper gives the line
+ on which the fopen occurred as the line number - not the line that the
+ user_error is on.
+ */
+ call_user_func($this->notification, STREAM_NOTIFY_CONNECT, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0);
+ call_user_func($this->notification, STREAM_NOTIFY_AUTH_REQUIRED, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0);
+ if (!$this->sftp->login($user, $pass)) {
+ call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_ERR, 'Login Failure', NET_SSH2_MSG_USERAUTH_FAILURE, 0, 0);
+ return false;
+ }
+ call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_INFO, 'Login Success', NET_SSH2_MSG_USERAUTH_SUCCESS, 0, 0);
+ } else {
+ if (!$this->sftp->login($user, $pass)) {
+ return false;
+ }
+ }
+ self::$instances[$host][$port][$user][(string) $pass] = $this->sftp;
+ }
+ }
+
+ return $path;
+ }
+
+ /**
+ * Opens file or URL
+ *
+ * @param String $path
+ * @param String $mode
+ * @param Integer $options
+ * @param String $opened_path
+ * @return Boolean
+ * @access public
+ */
+ function _stream_open($path, $mode, $options, &$opened_path)
+ {
+ $path = $this->_parse_path($path);
+
+ if ($path === false) {
+ return false;
+ }
+ $this->path = $path;
+
+ $this->size = $this->sftp->size($path);
+ $this->mode = preg_replace('#[bt]$#', '', $mode);
+ $this->eof = false;
+
+ if ($this->size === false) {
+ if ($this->mode[0] == 'r') {
+ return false;
+ }
+ } else {
+ switch ($this->mode[0]) {
+ case 'x':
+ return false;
+ case 'w':
+ case 'c':
+ $this->sftp->truncate($path, 0);
+ }
+ }
+
+ $this->pos = $this->mode[0] != 'a' ? 0 : $this->size;
+
+ return true;
+ }
+
+ /**
+ * Read from stream
+ *
+ * @param Integer $count
+ * @return Mixed
+ * @access public
+ */
+ function _stream_read($count)
+ {
+ switch ($this->mode) {
+ case 'w':
+ case 'a':
+ case 'x':
+ case 'c':
+ return false;
+ }
+
+ // commented out because some files - eg. /dev/urandom - will say their size is 0 when in fact it's kinda infinite
+ //if ($this->pos >= $this->size) {
+ // $this->eof = true;
+ // return false;
+ //}
+
+ $result = $this->sftp->get($this->path, false, $this->pos, $count);
+ if (isset($this->notification) && is_callable($this->notification)) {
+ if ($result === false) {
+ call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), NET_SFTP_OPEN, 0, 0);
+ return 0;
+ }
+ // seems that PHP calls stream_read in 8k chunks
+ call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($result), $this->size);
+ }
+
+ if (empty($result)) { // ie. false or empty string
+ $this->eof = true;
+ return false;
+ }
+ $this->pos+= strlen($result);
+
+ return $result;
+ }
+
+ /**
+ * Write to stream
+ *
+ * @param String $data
+ * @return Mixed
+ * @access public
+ */
+ function _stream_write($data)
+ {
+ switch ($this->mode) {
+ case 'r':
+ return false;
+ }
+
+ $result = $this->sftp->put($this->path, $data, NET_SFTP_STRING, $this->pos);
+ if (isset($this->notification) && is_callable($this->notification)) {
+ if (!$result) {
+ call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), NET_SFTP_OPEN, 0, 0);
+ return 0;
+ }
+ // seems that PHP splits up strings into 8k blocks before calling stream_write
+ call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($data), strlen($data));
+ }
+
+ if ($result === false) {
+ return false;
+ }
+ $this->pos+= strlen($data);
+ if ($this->pos > $this->size) {
+ $this->size = $this->pos;
+ }
+ $this->eof = false;
+ return strlen($data);
+ }
+
+ /**
+ * Retrieve the current position of a stream
+ *
+ * @return Integer
+ * @access public
+ */
+ function _stream_tell()
+ {
+ return $this->pos;
+ }
+
+ /**
+ * Tests for end-of-file on a file pointer
+ *
+ * In my testing there are four classes functions that normally effect the pointer:
+ * fseek, fputs / fwrite, fgets / fread and ftruncate.
+ *
+ * Only fgets / fread, however, results in feof() returning true. do fputs($fp, 'aaa') on a blank file and feof()
+ * will return false. do fread($fp, 1) and feof() will then return true. do fseek($fp, 10) on ablank file and feof()
+ * will return false. do fread($fp, 1) and feof() will then return true.
+ *
+ * @return Boolean
+ * @access public
+ */
+ function _stream_eof()
+ {
+ return $this->eof;
+ }
+
+ /**
+ * Seeks to specific location in a stream
+ *
+ * @param Integer $offset
+ * @param Integer $whence
+ * @return Boolean
+ * @access public
+ */
+ function _stream_seek($offset, $whence)
+ {
+ switch ($whence) {
+ case SEEK_SET:
+ if ($offset >= $this->size || $offset < 0) {
+ return false;
+ }
+ break;
+ case SEEK_CUR:
+ $offset+= $this->pos;
+ break;
+ case SEEK_END:
+ $offset+= $this->size;
+ }
+
+ $this->pos = $offset;
+ $this->eof = false;
+ return true;
+ }
+
+ /**
+ * Change stream options
+ *
+ * @param String $path
+ * @param Integer $option
+ * @param Mixed $var
+ * @return Boolean
+ * @access public
+ */
+ function _stream_metadata($path, $option, $var)
+ {
+ $path = $this->_parse_path($path);
+ if ($path === false) {
+ return false;
+ }
+
+ // stream_metadata was introduced in PHP 5.4.0 but as of 5.4.11 the constants haven't been defined
+ // see http://www.php.net/streamwrapper.stream-metadata and https://bugs.php.net/64246
+ // and https://github.com/php/php-src/blob/master/main/php_streams.h#L592
+ switch ($option) {
+ case 1: // PHP_STREAM_META_TOUCH
+ return $this->sftp->touch($path, $var[0], $var[1]);
+ case 2: // PHP_STREAM_OWNER_NAME
+ case 3: // PHP_STREAM_GROUP_NAME
+ return false;
+ case 4: // PHP_STREAM_META_OWNER
+ return $this->sftp->chown($path, $var);
+ case 5: // PHP_STREAM_META_GROUP
+ return $this->sftp->chgrp($path, $var);
+ case 6: // PHP_STREAM_META_ACCESS
+ return $this->sftp->chmod($path, $var) !== false;
+ }
+ }
+
+ /**
+ * Retrieve the underlaying resource
+ *
+ * @param Integer $cast_as
+ * @return Resource
+ * @access public
+ */
+ function _stream_cast($cast_as)
+ {
+ return $this->sftp->fsock;
+ }
+
+ /**
+ * Advisory file locking
+ *
+ * @param Integer $operation
+ * @return Boolean
+ * @access public
+ */
+ function _stream_lock($operation)
+ {
+ return false;
+ }
+
+ /**
+ * Renames a file or directory
+ *
+ * Attempts to rename oldname to newname, moving it between directories if necessary.
+ * If newname exists, it will be overwritten. This is a departure from what Net_SFTP
+ * does.
+ *
+ * @param String $path_from
+ * @param String $path_to
+ * @return Boolean
+ * @access public
+ */
+ function _rename($path_from, $path_to)
+ {
+ $path1 = parse_url($path_from);
+ $path2 = parse_url($path_to);
+ unset($path1['path'], $path2['path']);
+ if ($path1 != $path2) {
+ return false;
+ }
+
+ $path_from = $this->_parse_path($path_from);
+ $path_to = parse_url($path_to);
+ if ($path_from == false) {
+ return false;
+ }
+
+ $path_to = $path_to['path']; // the $component part of parse_url() was added in PHP 5.1.2
+ // "It is an error if there already exists a file with the name specified by newpath."
+ // -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-6.5
+ if (!$this->sftp->rename($path_from, $path_to)) {
+ if ($this->sftp->stat($path_to)) {
+ return $this->sftp->delete($path_to, true) && $this->sftp->rename($path_from, $path_to);
+ }
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Open directory handle
+ *
+ * The only $options is "whether or not to enforce safe_mode (0x04)". Since safe mode was deprecated in 5.3 and
+ * removed in 5.4 I'm just going to ignore it.
+ *
+ * Also, nlist() is the best that this function is realistically going to be able to do. When an SFTP client
+ * sends a SSH_FXP_READDIR packet you don't generally get info on just one file but on multiple files. Quoting
+ * the SFTP specs:
+ *
+ * The SSH_FXP_NAME response has the following format:
+ *
+ * uint32 id
+ * uint32 count
+ * repeats count times:
+ * string filename
+ * string longname
+ * ATTRS attrs
+ *
+ * @param String $path
+ * @param Integer $options
+ * @return Boolean
+ * @access public
+ */
+ function _dir_opendir($path, $options)
+ {
+ $path = $this->_parse_path($path);
+ if ($path === false) {
+ return false;
+ }
+ $this->pos = 0;
+ $this->entries = $this->sftp->nlist($path);
+ return $this->entries !== false;
+ }
+
+ /**
+ * Read entry from directory handle
+ *
+ * @return Mixed
+ * @access public
+ */
+ function _dir_readdir()
+ {
+ if (isset($this->entries[$this->pos])) {
+ return $this->entries[$this->pos++];
+ }
+ return false;
+ }
+
+ /**
+ * Rewind directory handle
+ *
+ * @return Boolean
+ * @access public
+ */
+ function _dir_rewinddir()
+ {
+ $this->pos = 0;
+ return true;
+ }
+
+ /**
+ * Close directory handle
+ *
+ * @return Boolean
+ * @access public
+ */
+ function _dir_closedir()
+ {
+ return true;
+ }
+
+ /**
+ * Create a directory
+ *
+ * Only valid $options is STREAM_MKDIR_RECURSIVE
+ *
+ * @param String $path
+ * @param Integer $mode
+ * @param Integer $options
+ * @return Boolean
+ * @access public
+ */
+ function _mkdir($path, $mode, $options)
+ {
+ $path = $this->_parse_path($path);
+ if ($path === false) {
+ return false;
+ }
+
+ return $this->sftp->mkdir($path, $mode, $options & STREAM_MKDIR_RECURSIVE);
+ }
+
+ /**
+ * Removes a directory
+ *
+ * Only valid $options is STREAM_MKDIR_RECURSIVE per <http://php.net/streamwrapper.rmdir>, however,
+ * <http://php.net/rmdir> does not have a $recursive parameter as mkdir() does so I don't know how
+ * STREAM_MKDIR_RECURSIVE is supposed to be set. Also, when I try it out with rmdir() I get 8 as
+ * $options. What does 8 correspond to?
+ *
+ * @param String $path
+ * @param Integer $mode
+ * @param Integer $options
+ * @return Boolean
+ * @access public
+ */
+ function _rmdir($path, $options)
+ {
+ $path = $this->_parse_path($path);
+ if ($path === false) {
+ return false;
+ }
+
+ return $this->sftp->rmdir($path);
+ }
+
+ /**
+ * Flushes the output
+ *
+ * See <http://php.net/fflush>. Always returns true because Net_SFTP doesn't cache stuff before writing
+ *
+ * @return Boolean
+ * @access public
+ */
+ function _stream_flush()
+ {
+ return true;
+ }
+
+ /**
+ * Retrieve information about a file resource
+ *
+ * @return Mixed
+ * @access public
+ */
+ function _stream_stat()
+ {
+ $results = $this->sftp->stat($this->path);
+ if ($results === false) {
+ return false;
+ }
+ return $results;
+ }
+
+ /**
+ * Delete a file
+ *
+ * @param String $path
+ * @return Boolean
+ * @access public
+ */
+ function _unlink($path)
+ {
+ $path = $this->_parse_path($path);
+ if ($path === false) {
+ return false;
+ }
+
+ return $this->sftp->delete($path, false);
+ }
+
+ /**
+ * Retrieve information about a file
+ *
+ * Ignores the STREAM_URL_STAT_QUIET flag because the entirety of Net_SFTP_Stream is quiet by default
+ * might be worthwhile to reconstruct bits 12-16 (ie. the file type) if mode doesn't have them but we'll
+ * cross that bridge when and if it's reached
+ *
+ * @param String $path
+ * @param Integer $flags
+ * @return Mixed
+ * @access public
+ */
+ function _url_stat($path, $flags)
+ {
+ $path = $this->_parse_path($path);
+ if ($path === false) {
+ return false;
+ }
+
+ $results = $flags & STREAM_URL_STAT_LINK ? $this->sftp->lstat($path) : $this->sftp->stat($path);
+ if ($results === false) {
+ return false;
+ }
+
+ return $results;
+ }
+
+ /**
+ * Truncate stream
+ *
+ * @param Integer $new_size
+ * @return Boolean
+ * @access public
+ */
+ function _stream_truncate($new_size)
+ {
+ if (!$this->sftp->truncate($this->path, $new_size)) {
+ return false;
+ }
+
+ $this->eof = false;
+ $this->size = $new_size;
+
+ return true;
+ }
+
+ /**
+ * Change stream options
+ *
+ * STREAM_OPTION_WRITE_BUFFER isn't supported for the same reason stream_flush isn't.
+ * The other two aren't supported because of limitations in Net_SFTP.
+ *
+ * @param Integer $option
+ * @param Integer $arg1
+ * @param Integer $arg2
+ * @return Boolean
+ * @access public
+ */
+ function _stream_set_option($option, $arg1, $arg2)
+ {
+ return false;
+ }
+
+ /**
+ * Close an resource
+ *
+ * @access public
+ */
+ function _stream_close()
+ {
+ }
+
+ /**
+ * __call Magic Method
+ *
+ * When you're utilizing an SFTP stream you're not calling the methods in this class directly - PHP is calling them for you.
+ * Which kinda begs the question... what methods is PHP calling and what parameters is it passing to them? This function
+ * lets you figure that out.
+ *
+ * If NET_SFTP_STREAM_LOGGING is defined all calls will be output on the screen and then (regardless of whether or not
+ * NET_SFTP_STREAM_LOGGING is enabled) the parameters will be passed through to the appropriate method.
+ *
+ * @param String
+ * @param Array
+ * @return Mixed
+ * @access public
+ */
+ function __call($name, $arguments)
+ {
+ if (defined('NET_SFTP_STREAM_LOGGING')) {
+ echo $name . '(';
+ $last = count($arguments) - 1;
+ foreach ($arguments as $i => $argument) {
+ var_export($argument);
+ if ($i != $last) {
+ echo ',';
+ }
+ }
+ echo ")\r\n";
+ }
+ $name = '_' . $name;
+ if (!method_exists($this, $name)) {
+ return false;
+ }
+ return call_user_func_array(array($this, $name), $arguments);
+ }
+}
+
+Net_SFTP_Stream::register();
diff --git a/libs/phpseclib-0.3.7/Net/SSH1.php b/libs/phpseclib-0.3.7/Net/SSH1.php new file mode 100644 index 0000000..35e6d5e --- /dev/null +++ b/libs/phpseclib-0.3.7/Net/SSH1.php @@ -0,0 +1,1650 @@ +<?php
+
+/**
+ * Pure-PHP implementation of SSHv1.
+ *
+ * PHP versions 4 and 5
+ *
+ * Here's a short example of how to use this library:
+ * <code>
+ * <?php
+ * include 'Net/SSH1.php';
+ *
+ * $ssh = new Net_SSH1('www.domain.tld');
+ * if (!$ssh->login('username', 'password')) {
+ * exit('Login Failed');
+ * }
+ *
+ * echo $ssh->exec('ls -la');
+ * ?>
+ * </code>
+ *
+ * Here's another short example:
+ * <code>
+ * <?php
+ * include 'Net/SSH1.php';
+ *
+ * $ssh = new Net_SSH1('www.domain.tld');
+ * if (!$ssh->login('username', 'password')) {
+ * exit('Login Failed');
+ * }
+ *
+ * echo $ssh->read('username@username:~$');
+ * $ssh->write("ls -la\n");
+ * echo $ssh->read('username@username:~$');
+ * ?>
+ * </code>
+ *
+ * More information on the SSHv1 specification can be found by reading
+ * {@link http://www.snailbook.com/docs/protocol-1.5.txt protocol-1.5.txt}.
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Net
+ * @package Net_SSH1
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**#@+
+ * Encryption Methods
+ *
+ * @see Net_SSH1::getSupportedCiphers()
+ * @access public
+ */
+/**
+ * No encryption
+ *
+ * Not supported.
+ */
+define('NET_SSH1_CIPHER_NONE', 0);
+/**
+ * IDEA in CFB mode
+ *
+ * Not supported.
+ */
+define('NET_SSH1_CIPHER_IDEA', 1);
+/**
+ * DES in CBC mode
+ */
+define('NET_SSH1_CIPHER_DES', 2);
+/**
+ * Triple-DES in CBC mode
+ *
+ * All implementations are required to support this
+ */
+define('NET_SSH1_CIPHER_3DES', 3);
+/**
+ * TRI's Simple Stream encryption CBC
+ *
+ * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, does define it (see cipher.h),
+ * although it doesn't use it (see cipher.c)
+ */
+define('NET_SSH1_CIPHER_BROKEN_TSS', 4);
+/**
+ * RC4
+ *
+ * Not supported.
+ *
+ * @internal According to the SSH1 specs:
+ *
+ * "The first 16 bytes of the session key are used as the key for
+ * the server to client direction. The remaining 16 bytes are used
+ * as the key for the client to server direction. This gives
+ * independent 128-bit keys for each direction."
+ *
+ * This library currently only supports encryption when the same key is being used for both directions. This is
+ * because there's only one $crypto object. Two could be added ($encrypt and $decrypt, perhaps).
+ */
+define('NET_SSH1_CIPHER_RC4', 5);
+/**
+ * Blowfish
+ *
+ * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, defines it (see cipher.h) and
+ * uses it (see cipher.c)
+ */
+define('NET_SSH1_CIPHER_BLOWFISH', 6);
+/**#@-*/
+
+/**#@+
+ * Authentication Methods
+ *
+ * @see Net_SSH1::getSupportedAuthentications()
+ * @access public
+ */
+/**
+ * .rhosts or /etc/hosts.equiv
+ */
+define('NET_SSH1_AUTH_RHOSTS', 1);
+/**
+ * pure RSA authentication
+ */
+define('NET_SSH1_AUTH_RSA', 2);
+/**
+ * password authentication
+ *
+ * This is the only method that is supported by this library.
+ */
+define('NET_SSH1_AUTH_PASSWORD', 3);
+/**
+ * .rhosts with RSA host authentication
+ */
+define('NET_SSH1_AUTH_RHOSTS_RSA', 4);
+/**#@-*/
+
+/**#@+
+ * Terminal Modes
+ *
+ * @link http://3sp.com/content/developer/maverick-net/docs/Maverick.SSH.PseudoTerminalModesMembers.html
+ * @access private
+ */
+define('NET_SSH1_TTY_OP_END', 0);
+/**#@-*/
+
+/**
+ * The Response Type
+ *
+ * @see Net_SSH1::_get_binary_packet()
+ * @access private
+ */
+define('NET_SSH1_RESPONSE_TYPE', 1);
+
+/**
+ * The Response Data
+ *
+ * @see Net_SSH1::_get_binary_packet()
+ * @access private
+ */
+define('NET_SSH1_RESPONSE_DATA', 2);
+
+/**#@+
+ * Execution Bitmap Masks
+ *
+ * @see Net_SSH1::bitmap
+ * @access private
+ */
+define('NET_SSH1_MASK_CONSTRUCTOR', 0x00000001);
+define('NET_SSH1_MASK_CONNECTED', 0x00000002);
+define('NET_SSH1_MASK_LOGIN', 0x00000004);
+define('NET_SSH1_MASK_SHELL', 0x00000008);
+/**#@-*/
+
+/**#@+
+ * @access public
+ * @see Net_SSH1::getLog()
+ */
+/**
+ * Returns the message numbers
+ */
+define('NET_SSH1_LOG_SIMPLE', 1);
+/**
+ * Returns the message content
+ */
+define('NET_SSH1_LOG_COMPLEX', 2);
+/**
+ * Outputs the content real-time
+ */
+define('NET_SSH1_LOG_REALTIME', 3);
+/**
+ * Dumps the content real-time to a file
+ */
+define('NET_SSH1_LOG_REALTIME_FILE', 4);
+/**#@-*/
+
+/**#@+
+ * @access public
+ * @see Net_SSH1::read()
+ */
+/**
+ * Returns when a string matching $expect exactly is found
+ */
+define('NET_SSH1_READ_SIMPLE', 1);
+/**
+ * Returns when a string matching the regular expression $expect is found
+ */
+define('NET_SSH1_READ_REGEX', 2);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of SSHv1.
+ *
+ * @package Net_SSH1
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Net_SSH1
+{
+ /**
+ * The SSH identifier
+ *
+ * @var String
+ * @access private
+ */
+ var $identifier = 'SSH-1.5-phpseclib';
+
+ /**
+ * The Socket Object
+ *
+ * @var Object
+ * @access private
+ */
+ var $fsock;
+
+ /**
+ * The cryptography object
+ *
+ * @var Object
+ * @access private
+ */
+ var $crypto = false;
+
+ /**
+ * Execution Bitmap
+ *
+ * The bits that are set represent functions that have been called already. This is used to determine
+ * if a requisite function has been successfully executed. If not, an error should be thrown.
+ *
+ * @var Integer
+ * @access private
+ */
+ var $bitmap = 0;
+
+ /**
+ * The Server Key Public Exponent
+ *
+ * Logged for debug purposes
+ *
+ * @see Net_SSH1::getServerKeyPublicExponent()
+ * @var String
+ * @access private
+ */
+ var $server_key_public_exponent;
+
+ /**
+ * The Server Key Public Modulus
+ *
+ * Logged for debug purposes
+ *
+ * @see Net_SSH1::getServerKeyPublicModulus()
+ * @var String
+ * @access private
+ */
+ var $server_key_public_modulus;
+
+ /**
+ * The Host Key Public Exponent
+ *
+ * Logged for debug purposes
+ *
+ * @see Net_SSH1::getHostKeyPublicExponent()
+ * @var String
+ * @access private
+ */
+ var $host_key_public_exponent;
+
+ /**
+ * The Host Key Public Modulus
+ *
+ * Logged for debug purposes
+ *
+ * @see Net_SSH1::getHostKeyPublicModulus()
+ * @var String
+ * @access private
+ */
+ var $host_key_public_modulus;
+
+ /**
+ * Supported Ciphers
+ *
+ * Logged for debug purposes
+ *
+ * @see Net_SSH1::getSupportedCiphers()
+ * @var Array
+ * @access private
+ */
+ var $supported_ciphers = array(
+ NET_SSH1_CIPHER_NONE => 'No encryption',
+ NET_SSH1_CIPHER_IDEA => 'IDEA in CFB mode',
+ NET_SSH1_CIPHER_DES => 'DES in CBC mode',
+ NET_SSH1_CIPHER_3DES => 'Triple-DES in CBC mode',
+ NET_SSH1_CIPHER_BROKEN_TSS => 'TRI\'s Simple Stream encryption CBC',
+ NET_SSH1_CIPHER_RC4 => 'RC4',
+ NET_SSH1_CIPHER_BLOWFISH => 'Blowfish'
+ );
+
+ /**
+ * Supported Authentications
+ *
+ * Logged for debug purposes
+ *
+ * @see Net_SSH1::getSupportedAuthentications()
+ * @var Array
+ * @access private
+ */
+ var $supported_authentications = array(
+ NET_SSH1_AUTH_RHOSTS => '.rhosts or /etc/hosts.equiv',
+ NET_SSH1_AUTH_RSA => 'pure RSA authentication',
+ NET_SSH1_AUTH_PASSWORD => 'password authentication',
+ NET_SSH1_AUTH_RHOSTS_RSA => '.rhosts with RSA host authentication'
+ );
+
+ /**
+ * Server Identification
+ *
+ * @see Net_SSH1::getServerIdentification()
+ * @var String
+ * @access private
+ */
+ var $server_identification = '';
+
+ /**
+ * Protocol Flags
+ *
+ * @see Net_SSH1::Net_SSH1()
+ * @var Array
+ * @access private
+ */
+ var $protocol_flags = array();
+
+ /**
+ * Protocol Flag Log
+ *
+ * @see Net_SSH1::getLog()
+ * @var Array
+ * @access private
+ */
+ var $protocol_flag_log = array();
+
+ /**
+ * Message Log
+ *
+ * @see Net_SSH1::getLog()
+ * @var Array
+ * @access private
+ */
+ var $message_log = array();
+
+ /**
+ * Real-time log file pointer
+ *
+ * @see Net_SSH1::_append_log()
+ * @var Resource
+ * @access private
+ */
+ var $realtime_log_file;
+
+ /**
+ * Real-time log file size
+ *
+ * @see Net_SSH1::_append_log()
+ * @var Integer
+ * @access private
+ */
+ var $realtime_log_size;
+
+ /**
+ * Real-time log file wrap boolean
+ *
+ * @see Net_SSH1::_append_log()
+ * @var Boolean
+ * @access private
+ */
+ var $realtime_log_wrap;
+
+ /**
+ * Interactive Buffer
+ *
+ * @see Net_SSH1::read()
+ * @var Array
+ * @access private
+ */
+ var $interactiveBuffer = '';
+
+ /**
+ * Timeout
+ *
+ * @see Net_SSH1::setTimeout()
+ * @access private
+ */
+ var $timeout;
+
+ /**
+ * Current Timeout
+ *
+ * @see Net_SSH1::_get_channel_packet()
+ * @access private
+ */
+ var $curTimeout;
+
+ /**
+ * Log Boundary
+ *
+ * @see Net_SSH1::_format_log
+ * @access private
+ */
+ var $log_boundary = ':';
+
+ /**
+ * Log Long Width
+ *
+ * @see Net_SSH1::_format_log
+ * @access private
+ */
+ var $log_long_width = 65;
+
+ /**
+ * Log Short Width
+ *
+ * @see Net_SSH1::_format_log
+ * @access private
+ */
+ var $log_short_width = 16;
+
+ /**
+ * Hostname
+ *
+ * @see Net_SSH1::Net_SSH1()
+ * @see Net_SSH1::_connect()
+ * @var String
+ * @access private
+ */
+ var $host;
+
+ /**
+ * Port Number
+ *
+ * @see Net_SSH1::Net_SSH1()
+ * @see Net_SSH1::_connect()
+ * @var Integer
+ * @access private
+ */
+ var $port;
+
+ /**
+ * Timeout for initial connection
+ *
+ * Set by the constructor call. Calling setTimeout() is optional. If it's not called functions like
+ * exec() won't timeout unless some PHP setting forces it too. The timeout specified in the constructor,
+ * however, is non-optional. There will be a timeout, whether or not you set it. If you don't it'll be
+ * 10 seconds. It is used by fsockopen() in that function.
+ *
+ * @see Net_SSH1::Net_SSH1()
+ * @see Net_SSH1::_connect()
+ * @var Integer
+ * @access private
+ */
+ var $connectionTimeout;
+
+ /**
+ * Default cipher
+ *
+ * @see Net_SSH1::Net_SSH1()
+ * @see Net_SSH1::_connect()
+ * @var Integer
+ * @access private
+ */
+ var $cipher;
+
+ /**
+ * Default Constructor.
+ *
+ * Connects to an SSHv1 server
+ *
+ * @param String $host
+ * @param optional Integer $port
+ * @param optional Integer $timeout
+ * @param optional Integer $cipher
+ * @return Net_SSH1
+ * @access public
+ */
+ function Net_SSH1($host, $port = 22, $timeout = 10, $cipher = NET_SSH1_CIPHER_3DES)
+ {
+ if (!class_exists('Math_BigInteger')) {
+ include_once 'Math/BigInteger.php';
+ }
+
+ // Include Crypt_Random
+ // the class_exists() will only be called if the crypt_random_string function hasn't been defined and
+ // will trigger a call to __autoload() if you're wanting to auto-load classes
+ // call function_exists() a second time to stop the include_once from being called outside
+ // of the auto loader
+ if (!function_exists('crypt_random_string') && !class_exists('Crypt_Random') && !function_exists('crypt_random_string')) {
+ include_once 'Crypt/Random.php';
+ }
+
+ $this->protocol_flags = array(
+ 1 => 'NET_SSH1_MSG_DISCONNECT',
+ 2 => 'NET_SSH1_SMSG_PUBLIC_KEY',
+ 3 => 'NET_SSH1_CMSG_SESSION_KEY',
+ 4 => 'NET_SSH1_CMSG_USER',
+ 9 => 'NET_SSH1_CMSG_AUTH_PASSWORD',
+ 10 => 'NET_SSH1_CMSG_REQUEST_PTY',
+ 12 => 'NET_SSH1_CMSG_EXEC_SHELL',
+ 13 => 'NET_SSH1_CMSG_EXEC_CMD',
+ 14 => 'NET_SSH1_SMSG_SUCCESS',
+ 15 => 'NET_SSH1_SMSG_FAILURE',
+ 16 => 'NET_SSH1_CMSG_STDIN_DATA',
+ 17 => 'NET_SSH1_SMSG_STDOUT_DATA',
+ 18 => 'NET_SSH1_SMSG_STDERR_DATA',
+ 19 => 'NET_SSH1_CMSG_EOF',
+ 20 => 'NET_SSH1_SMSG_EXITSTATUS',
+ 33 => 'NET_SSH1_CMSG_EXIT_CONFIRMATION'
+ );
+
+ $this->_define_array($this->protocol_flags);
+
+ $this->host = $host;
+ $this->port = $port;
+ $this->connectionTimeout = $timeout;
+ $this->cipher = $cipher;
+ }
+
+ /**
+ * Connect to an SSHv1 server
+ *
+ * @return Boolean
+ * @access private
+ */
+ function _connect()
+ {
+ $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $this->connectionTimeout);
+ if (!$this->fsock) {
+ user_error(rtrim("Cannot connect to {$this->host}:{$this->port}. Error $errno. $errstr"));
+ return false;
+ }
+
+ $this->server_identification = $init_line = fgets($this->fsock, 255);
+
+ if (defined('NET_SSH1_LOGGING')) {
+ $this->_append_log('<-', $this->server_identification);
+ $this->_append_log('->', $this->identifier . "\r\n");
+ }
+
+ if (!preg_match('#SSH-([0-9\.]+)-(.+)#', $init_line, $parts)) {
+ user_error('Can only connect to SSH servers');
+ return false;
+ }
+ if ($parts[1][0] != 1) {
+ user_error("Cannot connect to SSH $parts[1] servers");
+ return false;
+ }
+
+ fputs($this->fsock, $this->identifier."\r\n");
+
+ $response = $this->_get_binary_packet();
+ if ($response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_PUBLIC_KEY) {
+ user_error('Expected SSH_SMSG_PUBLIC_KEY');
+ return false;
+ }
+
+ $anti_spoofing_cookie = $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 8);
+
+ $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4);
+
+ $temp = unpack('nlen', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 2));
+ $server_key_public_exponent = new Math_BigInteger($this->_string_shift($response[NET_SSH1_RESPONSE_DATA], ceil($temp['len'] / 8)), 256);
+ $this->server_key_public_exponent = $server_key_public_exponent;
+
+ $temp = unpack('nlen', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 2));
+ $server_key_public_modulus = new Math_BigInteger($this->_string_shift($response[NET_SSH1_RESPONSE_DATA], ceil($temp['len'] / 8)), 256);
+ $this->server_key_public_modulus = $server_key_public_modulus;
+
+ $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4);
+
+ $temp = unpack('nlen', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 2));
+ $host_key_public_exponent = new Math_BigInteger($this->_string_shift($response[NET_SSH1_RESPONSE_DATA], ceil($temp['len'] / 8)), 256);
+ $this->host_key_public_exponent = $host_key_public_exponent;
+
+ $temp = unpack('nlen', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 2));
+ $host_key_public_modulus = new Math_BigInteger($this->_string_shift($response[NET_SSH1_RESPONSE_DATA], ceil($temp['len'] / 8)), 256);
+ $this->host_key_public_modulus = $host_key_public_modulus;
+
+ $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4);
+
+ // get a list of the supported ciphers
+ extract(unpack('Nsupported_ciphers_mask', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4)));
+ foreach ($this->supported_ciphers as $mask=>$name) {
+ if (($supported_ciphers_mask & (1 << $mask)) == 0) {
+ unset($this->supported_ciphers[$mask]);
+ }
+ }
+
+ // get a list of the supported authentications
+ extract(unpack('Nsupported_authentications_mask', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4)));
+ foreach ($this->supported_authentications as $mask=>$name) {
+ if (($supported_authentications_mask & (1 << $mask)) == 0) {
+ unset($this->supported_authentications[$mask]);
+ }
+ }
+
+ $session_id = pack('H*', md5($host_key_public_modulus->toBytes() . $server_key_public_modulus->toBytes() . $anti_spoofing_cookie));
+
+ $session_key = crypt_random_string(32);
+ $double_encrypted_session_key = $session_key ^ str_pad($session_id, 32, chr(0));
+
+ if ($server_key_public_modulus->compare($host_key_public_modulus) < 0) {
+ $double_encrypted_session_key = $this->_rsa_crypt(
+ $double_encrypted_session_key,
+ array(
+ $server_key_public_exponent,
+ $server_key_public_modulus
+ )
+ );
+ $double_encrypted_session_key = $this->_rsa_crypt(
+ $double_encrypted_session_key,
+ array(
+ $host_key_public_exponent,
+ $host_key_public_modulus
+ )
+ );
+ } else {
+ $double_encrypted_session_key = $this->_rsa_crypt(
+ $double_encrypted_session_key,
+ array(
+ $host_key_public_exponent,
+ $host_key_public_modulus
+ )
+ );
+ $double_encrypted_session_key = $this->_rsa_crypt(
+ $double_encrypted_session_key,
+ array(
+ $server_key_public_exponent,
+ $server_key_public_modulus
+ )
+ );
+ }
+
+ $cipher = isset($this->supported_ciphers[$this->cipher]) ? $this->cipher : NET_SSH1_CIPHER_3DES;
+ $data = pack('C2a*na*N', NET_SSH1_CMSG_SESSION_KEY, $cipher, $anti_spoofing_cookie, 8 * strlen($double_encrypted_session_key), $double_encrypted_session_key, 0);
+
+ if (!$this->_send_binary_packet($data)) {
+ user_error('Error sending SSH_CMSG_SESSION_KEY');
+ return false;
+ }
+
+ switch ($cipher) {
+ //case NET_SSH1_CIPHER_NONE:
+ // $this->crypto = new Crypt_Null();
+ // break;
+ case NET_SSH1_CIPHER_DES:
+ if (!class_exists('Crypt_DES')) {
+ include_once 'Crypt/DES.php';
+ }
+ $this->crypto = new Crypt_DES();
+ $this->crypto->disablePadding();
+ $this->crypto->enableContinuousBuffer();
+ $this->crypto->setKey(substr($session_key, 0, 8));
+ break;
+ case NET_SSH1_CIPHER_3DES:
+ if (!class_exists('Crypt_TripleDES')) {
+ include_once 'Crypt/TripleDES.php';
+ }
+ $this->crypto = new Crypt_TripleDES(CRYPT_DES_MODE_3CBC);
+ $this->crypto->disablePadding();
+ $this->crypto->enableContinuousBuffer();
+ $this->crypto->setKey(substr($session_key, 0, 24));
+ break;
+ //case NET_SSH1_CIPHER_RC4:
+ // if (!class_exists('Crypt_RC4')) {
+ // include_once 'Crypt/RC4.php';
+ // }
+ // $this->crypto = new Crypt_RC4();
+ // $this->crypto->enableContinuousBuffer();
+ // $this->crypto->setKey(substr($session_key, 0, 16));
+ // break;
+ }
+
+ $response = $this->_get_binary_packet();
+
+ if ($response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) {
+ user_error('Expected SSH_SMSG_SUCCESS');
+ return false;
+ }
+
+ $this->bitmap = NET_SSH1_MASK_CONNECTED;
+
+ return true;
+ }
+
+ /**
+ * Login
+ *
+ * @param String $username
+ * @param optional String $password
+ * @return Boolean
+ * @access public
+ */
+ function login($username, $password = '')
+ {
+ if (!($this->bitmap & NET_SSH1_MASK_CONSTRUCTOR)) {
+ $this->bitmap |= NET_SSH1_MASK_CONSTRUCTOR;
+ if (!$this->_connect()) {
+ return false;
+ }
+ }
+
+ if (!($this->bitmap & NET_SSH1_MASK_CONNECTED)) {
+ return false;
+ }
+
+ $data = pack('CNa*', NET_SSH1_CMSG_USER, strlen($username), $username);
+
+ if (!$this->_send_binary_packet($data)) {
+ user_error('Error sending SSH_CMSG_USER');
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+
+ if ($response === true) {
+ return false;
+ }
+ if ($response[NET_SSH1_RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) {
+ $this->bitmap |= NET_SSH1_MASK_LOGIN;
+ return true;
+ } else if ($response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_FAILURE) {
+ user_error('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE');
+ return false;
+ }
+
+ $data = pack('CNa*', NET_SSH1_CMSG_AUTH_PASSWORD, strlen($password), $password);
+
+ if (!$this->_send_binary_packet($data)) {
+ user_error('Error sending SSH_CMSG_AUTH_PASSWORD');
+ return false;
+ }
+
+ // remove the username and password from the last logged packet
+ if (defined('NET_SSH1_LOGGING') && NET_SSH1_LOGGING == NET_SSH1_LOG_COMPLEX) {
+ $data = pack('CNa*', NET_SSH1_CMSG_AUTH_PASSWORD, strlen('password'), 'password');
+ $this->message_log[count($this->message_log) - 1] = $data;
+ }
+
+ $response = $this->_get_binary_packet();
+
+ if ($response === true) {
+ return false;
+ }
+ if ($response[NET_SSH1_RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) {
+ $this->bitmap |= NET_SSH1_MASK_LOGIN;
+ return true;
+ } else if ($response[NET_SSH1_RESPONSE_TYPE] == NET_SSH1_SMSG_FAILURE) {
+ return false;
+ } else {
+ user_error('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE');
+ return false;
+ }
+ }
+
+ /**
+ * Set Timeout
+ *
+ * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely. setTimeout() makes it so it'll timeout.
+ * Setting $timeout to false or 0 will mean there is no timeout.
+ *
+ * @param Mixed $timeout
+ */
+ function setTimeout($timeout)
+ {
+ $this->timeout = $this->curTimeout = $timeout;
+ }
+
+ /**
+ * Executes a command on a non-interactive shell, returns the output, and quits.
+ *
+ * An SSH1 server will close the connection after a command has been executed on a non-interactive shell. SSH2
+ * servers don't, however, this isn't an SSH2 client. The way this works, on the server, is by initiating a
+ * shell with the -s option, as discussed in the following links:
+ *
+ * {@link http://www.faqs.org/docs/bashman/bashref_65.html http://www.faqs.org/docs/bashman/bashref_65.html}
+ * {@link http://www.faqs.org/docs/bashman/bashref_62.html http://www.faqs.org/docs/bashman/bashref_62.html}
+ *
+ * To execute further commands, a new Net_SSH1 object will need to be created.
+ *
+ * Returns false on failure and the output, otherwise.
+ *
+ * @see Net_SSH1::interactiveRead()
+ * @see Net_SSH1::interactiveWrite()
+ * @param String $cmd
+ * @return mixed
+ * @access public
+ */
+ function exec($cmd, $block = true)
+ {
+ if (!($this->bitmap & NET_SSH1_MASK_LOGIN)) {
+ user_error('Operation disallowed prior to login()');
+ return false;
+ }
+
+ $data = pack('CNa*', NET_SSH1_CMSG_EXEC_CMD, strlen($cmd), $cmd);
+
+ if (!$this->_send_binary_packet($data)) {
+ user_error('Error sending SSH_CMSG_EXEC_CMD');
+ return false;
+ }
+
+ if (!$block) {
+ return true;
+ }
+
+ $output = '';
+ $response = $this->_get_binary_packet();
+
+ if ($response !== false) {
+ do {
+ $output.= substr($response[NET_SSH1_RESPONSE_DATA], 4);
+ $response = $this->_get_binary_packet();
+ } while (is_array($response) && $response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_EXITSTATUS);
+ }
+
+ $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION);
+
+ // i don't think it's really all that important if this packet gets sent or not.
+ $this->_send_binary_packet($data);
+
+ fclose($this->fsock);
+
+ // reset the execution bitmap - a new Net_SSH1 object needs to be created.
+ $this->bitmap = 0;
+
+ return $output;
+ }
+
+ /**
+ * Creates an interactive shell
+ *
+ * @see Net_SSH1::interactiveRead()
+ * @see Net_SSH1::interactiveWrite()
+ * @return Boolean
+ * @access private
+ */
+ function _initShell()
+ {
+ // connect using the sample parameters in protocol-1.5.txt.
+ // according to wikipedia.org's entry on text terminals, "the fundamental type of application running on a text
+ // terminal is a command line interpreter or shell". thus, opening a terminal session to run the shell.
+ $data = pack('CNa*N4C', NET_SSH1_CMSG_REQUEST_PTY, strlen('vt100'), 'vt100', 24, 80, 0, 0, NET_SSH1_TTY_OP_END);
+
+ if (!$this->_send_binary_packet($data)) {
+ user_error('Error sending SSH_CMSG_REQUEST_PTY');
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+
+ if ($response === true) {
+ return false;
+ }
+ if ($response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) {
+ user_error('Expected SSH_SMSG_SUCCESS');
+ return false;
+ }
+
+ $data = pack('C', NET_SSH1_CMSG_EXEC_SHELL);
+
+ if (!$this->_send_binary_packet($data)) {
+ user_error('Error sending SSH_CMSG_EXEC_SHELL');
+ return false;
+ }
+
+ $this->bitmap |= NET_SSH1_MASK_SHELL;
+
+ //stream_set_blocking($this->fsock, 0);
+
+ return true;
+ }
+
+ /**
+ * Inputs a command into an interactive shell.
+ *
+ * @see Net_SSH1::interactiveWrite()
+ * @param String $cmd
+ * @return Boolean
+ * @access public
+ */
+ function write($cmd)
+ {
+ return $this->interactiveWrite($cmd);
+ }
+
+ /**
+ * Returns the output of an interactive shell when there's a match for $expect
+ *
+ * $expect can take the form of a string literal or, if $mode == NET_SSH1_READ_REGEX,
+ * a regular expression.
+ *
+ * @see Net_SSH1::write()
+ * @param String $expect
+ * @param Integer $mode
+ * @return Boolean
+ * @access public
+ */
+ function read($expect, $mode = NET_SSH1_READ_SIMPLE)
+ {
+ if (!($this->bitmap & NET_SSH1_MASK_LOGIN)) {
+ user_error('Operation disallowed prior to login()');
+ return false;
+ }
+
+ if (!($this->bitmap & NET_SSH1_MASK_SHELL) && !$this->_initShell()) {
+ user_error('Unable to initiate an interactive shell session');
+ return false;
+ }
+
+ $match = $expect;
+ while (true) {
+ if ($mode == NET_SSH1_READ_REGEX) {
+ preg_match($expect, $this->interactiveBuffer, $matches);
+ $match = isset($matches[0]) ? $matches[0] : '';
+ }
+ $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false;
+ if ($pos !== false) {
+ return $this->_string_shift($this->interactiveBuffer, $pos + strlen($match));
+ }
+ $response = $this->_get_binary_packet();
+
+ if ($response === true) {
+ return $this->_string_shift($this->interactiveBuffer, strlen($this->interactiveBuffer));
+ }
+ $this->interactiveBuffer.= substr($response[NET_SSH1_RESPONSE_DATA], 4);
+ }
+ }
+
+ /**
+ * Inputs a command into an interactive shell.
+ *
+ * @see Net_SSH1::interactiveRead()
+ * @param String $cmd
+ * @return Boolean
+ * @access public
+ */
+ function interactiveWrite($cmd)
+ {
+ if (!($this->bitmap & NET_SSH1_MASK_LOGIN)) {
+ user_error('Operation disallowed prior to login()');
+ return false;
+ }
+
+ if (!($this->bitmap & NET_SSH1_MASK_SHELL) && !$this->_initShell()) {
+ user_error('Unable to initiate an interactive shell session');
+ return false;
+ }
+
+ $data = pack('CNa*', NET_SSH1_CMSG_STDIN_DATA, strlen($cmd), $cmd);
+
+ if (!$this->_send_binary_packet($data)) {
+ user_error('Error sending SSH_CMSG_STDIN');
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Returns the output of an interactive shell when no more output is available.
+ *
+ * Requires PHP 4.3.0 or later due to the use of the stream_select() function. If you see stuff like
+ * "^[[00m", you're seeing ANSI escape codes. According to
+ * {@link http://support.microsoft.com/kb/101875 How to Enable ANSI.SYS in a Command Window}, "Windows NT
+ * does not support ANSI escape sequences in Win32 Console applications", so if you're a Windows user,
+ * there's not going to be much recourse.
+ *
+ * @see Net_SSH1::interactiveRead()
+ * @return String
+ * @access public
+ */
+ function interactiveRead()
+ {
+ if (!($this->bitmap & NET_SSH1_MASK_LOGIN)) {
+ user_error('Operation disallowed prior to login()');
+ return false;
+ }
+
+ if (!($this->bitmap & NET_SSH1_MASK_SHELL) && !$this->_initShell()) {
+ user_error('Unable to initiate an interactive shell session');
+ return false;
+ }
+
+ $read = array($this->fsock);
+ $write = $except = null;
+ if (stream_select($read, $write, $except, 0)) {
+ $response = $this->_get_binary_packet();
+ return substr($response[NET_SSH1_RESPONSE_DATA], 4);
+ } else {
+ return '';
+ }
+ }
+
+ /**
+ * Disconnect
+ *
+ * @access public
+ */
+ function disconnect()
+ {
+ $this->_disconnect();
+ }
+
+ /**
+ * Destructor.
+ *
+ * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call
+ * disconnect().
+ *
+ * @access public
+ */
+ function __destruct()
+ {
+ $this->_disconnect();
+ }
+
+ /**
+ * Disconnect
+ *
+ * @param String $msg
+ * @access private
+ */
+ function _disconnect($msg = 'Client Quit')
+ {
+ if ($this->bitmap) {
+ $data = pack('C', NET_SSH1_CMSG_EOF);
+ $this->_send_binary_packet($data);
+ /*
+ $response = $this->_get_binary_packet();
+ if ($response === true) {
+ $response = array(NET_SSH1_RESPONSE_TYPE => -1);
+ }
+ switch ($response[NET_SSH1_RESPONSE_TYPE]) {
+ case NET_SSH1_SMSG_EXITSTATUS:
+ $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION);
+ break;
+ default:
+ $data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg);
+ }
+ */
+ $data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg);
+
+ $this->_send_binary_packet($data);
+ fclose($this->fsock);
+ $this->bitmap = 0;
+ }
+ }
+
+ /**
+ * Gets Binary Packets
+ *
+ * See 'The Binary Packet Protocol' of protocol-1.5.txt for more info.
+ *
+ * Also, this function could be improved upon by adding detection for the following exploit:
+ * http://www.securiteam.com/securitynews/5LP042K3FY.html
+ *
+ * @see Net_SSH1::_send_binary_packet()
+ * @return Array
+ * @access private
+ */
+ function _get_binary_packet()
+ {
+ if (feof($this->fsock)) {
+ //user_error('connection closed prematurely');
+ return false;
+ }
+
+ if ($this->curTimeout) {
+ $read = array($this->fsock);
+ $write = $except = null;
+
+ $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
+ $sec = floor($this->curTimeout);
+ $usec = 1000000 * ($this->curTimeout - $sec);
+ // on windows this returns a "Warning: Invalid CRT parameters detected" error
+ if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) {
+ //$this->_disconnect('Timeout');
+ return true;
+ }
+ $elapsed = strtok(microtime(), ' ') + strtok('') - $start;
+ $this->curTimeout-= $elapsed;
+ }
+
+ $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
+ $temp = unpack('Nlength', fread($this->fsock, 4));
+
+ $padding_length = 8 - ($temp['length'] & 7);
+ $length = $temp['length'] + $padding_length;
+
+ while ($length > 0) {
+ $temp = fread($this->fsock, $length);
+ $raw.= $temp;
+ $length-= strlen($temp);
+ }
+ $stop = strtok(microtime(), ' ') + strtok('');
+
+ if (strlen($raw) && $this->crypto !== false) {
+ $raw = $this->crypto->decrypt($raw);
+ }
+
+ $padding = substr($raw, 0, $padding_length);
+ $type = $raw[$padding_length];
+ $data = substr($raw, $padding_length + 1, -4);
+
+ $temp = unpack('Ncrc', substr($raw, -4));
+
+ //if ( $temp['crc'] != $this->_crc($padding . $type . $data) ) {
+ // user_error('Bad CRC in packet from server');
+ // return false;
+ //}
+
+ $type = ord($type);
+
+ if (defined('NET_SSH1_LOGGING')) {
+ $temp = isset($this->protocol_flags[$type]) ? $this->protocol_flags[$type] : 'UNKNOWN';
+ $temp = '<- ' . $temp .
+ ' (' . round($stop - $start, 4) . 's)';
+ $this->_append_log($temp, $data);
+ }
+
+ return array(
+ NET_SSH1_RESPONSE_TYPE => $type,
+ NET_SSH1_RESPONSE_DATA => $data
+ );
+ }
+
+ /**
+ * Sends Binary Packets
+ *
+ * Returns true on success, false on failure.
+ *
+ * @see Net_SSH1::_get_binary_packet()
+ * @param String $data
+ * @return Boolean
+ * @access private
+ */
+ function _send_binary_packet($data)
+ {
+ if (feof($this->fsock)) {
+ //user_error('connection closed prematurely');
+ return false;
+ }
+
+ $length = strlen($data) + 4;
+
+ $padding = crypt_random_string(8 - ($length & 7));
+
+ $orig = $data;
+ $data = $padding . $data;
+ $data.= pack('N', $this->_crc($data));
+
+ if ($this->crypto !== false) {
+ $data = $this->crypto->encrypt($data);
+ }
+
+ $packet = pack('Na*', $length, $data);
+
+ $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
+ $result = strlen($packet) == fputs($this->fsock, $packet);
+ $stop = strtok(microtime(), ' ') + strtok('');
+
+ if (defined('NET_SSH1_LOGGING')) {
+ $temp = isset($this->protocol_flags[ord($orig[0])]) ? $this->protocol_flags[ord($orig[0])] : 'UNKNOWN';
+ $temp = '-> ' . $temp .
+ ' (' . round($stop - $start, 4) . 's)';
+ $this->_append_log($temp, $orig);
+ }
+
+ return $result;
+ }
+
+ /**
+ * Cyclic Redundancy Check (CRC)
+ *
+ * PHP's crc32 function is implemented slightly differently than the one that SSH v1 uses, so
+ * we've reimplemented it. A more detailed discussion of the differences can be found after
+ * $crc_lookup_table's initialization.
+ *
+ * @see Net_SSH1::_get_binary_packet()
+ * @see Net_SSH1::_send_binary_packet()
+ * @param String $data
+ * @return Integer
+ * @access private
+ */
+ function _crc($data)
+ {
+ static $crc_lookup_table = array(
+ 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
+ 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
+ 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
+ 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
+ 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
+ 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
+ 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
+ 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
+ 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
+ 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
+ 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
+ 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
+ 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
+ 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
+ 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
+ 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
+ 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
+ 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
+ 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
+ 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
+ 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
+ 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
+ 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
+ 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
+ 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
+ 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
+ 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
+ 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
+ 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
+ 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
+ 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
+ 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
+ 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
+ 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
+ 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
+ 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
+ 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
+ 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
+ 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
+ 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
+ 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
+ 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
+ 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
+ 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
+ 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
+ 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
+ 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
+ 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
+ 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
+ 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
+ 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
+ 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
+ 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
+ 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
+ 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
+ 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
+ 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
+ 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
+ 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
+ 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
+ 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
+ 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
+ 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
+ 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
+ );
+
+ // For this function to yield the same output as PHP's crc32 function, $crc would have to be
+ // set to 0xFFFFFFFF, initially - not 0x00000000 as it currently is.
+ $crc = 0x00000000;
+ $length = strlen($data);
+
+ for ($i=0;$i<$length;$i++) {
+ // We AND $crc >> 8 with 0x00FFFFFF because we want the eight newly added bits to all
+ // be zero. PHP, unfortunately, doesn't always do this. 0x80000000 >> 8, as an example,
+ // yields 0xFF800000 - not 0x00800000. The following link elaborates:
+ // http://www.php.net/manual/en/language.operators.bitwise.php#57281
+ $crc = (($crc >> 8) & 0x00FFFFFF) ^ $crc_lookup_table[($crc & 0xFF) ^ ord($data[$i])];
+ }
+
+ // In addition to having to set $crc to 0xFFFFFFFF, initially, the return value must be XOR'd with
+ // 0xFFFFFFFF for this function to return the same thing that PHP's crc32 function would.
+ return $crc;
+ }
+
+ /**
+ * String Shift
+ *
+ * Inspired by array_shift
+ *
+ * @param String $string
+ * @param optional Integer $index
+ * @return String
+ * @access private
+ */
+ function _string_shift(&$string, $index = 1)
+ {
+ $substr = substr($string, 0, $index);
+ $string = substr($string, $index);
+ return $substr;
+ }
+
+ /**
+ * RSA Encrypt
+ *
+ * Returns mod(pow($m, $e), $n), where $n should be the product of two (large) primes $p and $q and where $e
+ * should be a number with the property that gcd($e, ($p - 1) * ($q - 1)) == 1. Could just make anything that
+ * calls this call modexp, instead, but I think this makes things clearer, maybe...
+ *
+ * @see Net_SSH1::Net_SSH1()
+ * @param Math_BigInteger $m
+ * @param Array $key
+ * @return Math_BigInteger
+ * @access private
+ */
+ function _rsa_crypt($m, $key)
+ {
+ /*
+ if (!class_exists('Crypt_RSA')) {
+ include_once 'Crypt/RSA.php';
+ }
+
+ $rsa = new Crypt_RSA();
+ $rsa->loadKey($key, CRYPT_RSA_PUBLIC_FORMAT_RAW);
+ $rsa->setEncryptionMode(CRYPT_RSA_ENCRYPTION_PKCS1);
+ return $rsa->encrypt($m);
+ */
+
+ // To quote from protocol-1.5.txt:
+ // The most significant byte (which is only partial as the value must be
+ // less than the public modulus, which is never a power of two) is zero.
+ //
+ // The next byte contains the value 2 (which stands for public-key
+ // encrypted data in the PKCS standard [PKCS#1]). Then, there are non-
+ // zero random bytes to fill any unused space, a zero byte, and the data
+ // to be encrypted in the least significant bytes, the last byte of the
+ // data in the least significant byte.
+
+ // Presumably the part of PKCS#1 they're refering to is "Section 7.2.1 Encryption Operation",
+ // under "7.2 RSAES-PKCS1-v1.5" and "7 Encryption schemes" of the following URL:
+ // ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf
+ $modulus = $key[1]->toBytes();
+ $length = strlen($modulus) - strlen($m) - 3;
+ $random = '';
+ while (strlen($random) != $length) {
+ $block = crypt_random_string($length - strlen($random));
+ $block = str_replace("\x00", '', $block);
+ $random.= $block;
+ }
+ $temp = chr(0) . chr(2) . $random . chr(0) . $m;
+
+ $m = new Math_BigInteger($temp, 256);
+ $m = $m->modPow($key[0], $key[1]);
+
+ return $m->toBytes();
+ }
+
+ /**
+ * Define Array
+ *
+ * Takes any number of arrays whose indices are integers and whose values are strings and defines a bunch of
+ * named constants from it, using the value as the name of the constant and the index as the value of the constant.
+ * If any of the constants that would be defined already exists, none of the constants will be defined.
+ *
+ * @param Array $array
+ * @access private
+ */
+ function _define_array()
+ {
+ $args = func_get_args();
+ foreach ($args as $arg) {
+ foreach ($arg as $key=>$value) {
+ if (!defined($value)) {
+ define($value, $key);
+ } else {
+ break 2;
+ }
+ }
+ }
+ }
+
+ /**
+ * Returns a log of the packets that have been sent and received.
+ *
+ * Returns a string if NET_SSH1_LOGGING == NET_SSH1_LOG_COMPLEX, an array if NET_SSH1_LOGGING == NET_SSH1_LOG_SIMPLE and false if !defined('NET_SSH1_LOGGING')
+ *
+ * @access public
+ * @return String or Array
+ */
+ function getLog()
+ {
+ if (!defined('NET_SSH1_LOGGING')) {
+ return false;
+ }
+
+ switch (NET_SSH1_LOGGING) {
+ case NET_SSH1_LOG_SIMPLE:
+ return $this->message_number_log;
+ break;
+ case NET_SSH1_LOG_COMPLEX:
+ return $this->_format_log($this->message_log, $this->protocol_flags_log);
+ break;
+ default:
+ return false;
+ }
+ }
+
+ /**
+ * Formats a log for printing
+ *
+ * @param Array $message_log
+ * @param Array $message_number_log
+ * @access private
+ * @return String
+ */
+ function _format_log($message_log, $message_number_log)
+ {
+ $output = '';
+ for ($i = 0; $i < count($message_log); $i++) {
+ $output.= $message_number_log[$i] . "\r\n";
+ $current_log = $message_log[$i];
+ $j = 0;
+ do {
+ if (strlen($current_log)) {
+ $output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 ';
+ }
+ $fragment = $this->_string_shift($current_log, $this->log_short_width);
+ $hex = substr(preg_replace_callback('#.#s', array($this, '_format_log_helper'), $fragment), strlen($this->log_boundary));
+ // replace non ASCII printable characters with dots
+ // http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters
+ // also replace < with a . since < messes up the output on web browsers
+ $raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment);
+ $output.= str_pad($hex, $this->log_long_width - $this->log_short_width, ' ') . $raw . "\r\n";
+ $j++;
+ } while (strlen($current_log));
+ $output.= "\r\n";
+ }
+
+ return $output;
+ }
+
+ /**
+ * Helper function for _format_log
+ *
+ * For use with preg_replace_callback()
+ *
+ * @param Array $matches
+ * @access private
+ * @return String
+ */
+ function _format_log_helper($matches)
+ {
+ return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT);
+ }
+
+ /**
+ * Return the server key public exponent
+ *
+ * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead,
+ * the raw bytes. This behavior is similar to PHP's md5() function.
+ *
+ * @param optional Boolean $raw_output
+ * @return String
+ * @access public
+ */
+ function getServerKeyPublicExponent($raw_output = false)
+ {
+ return $raw_output ? $this->server_key_public_exponent->toBytes() : $this->server_key_public_exponent->toString();
+ }
+
+ /**
+ * Return the server key public modulus
+ *
+ * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead,
+ * the raw bytes. This behavior is similar to PHP's md5() function.
+ *
+ * @param optional Boolean $raw_output
+ * @return String
+ * @access public
+ */
+ function getServerKeyPublicModulus($raw_output = false)
+ {
+ return $raw_output ? $this->server_key_public_modulus->toBytes() : $this->server_key_public_modulus->toString();
+ }
+
+ /**
+ * Return the host key public exponent
+ *
+ * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead,
+ * the raw bytes. This behavior is similar to PHP's md5() function.
+ *
+ * @param optional Boolean $raw_output
+ * @return String
+ * @access public
+ */
+ function getHostKeyPublicExponent($raw_output = false)
+ {
+ return $raw_output ? $this->host_key_public_exponent->toBytes() : $this->host_key_public_exponent->toString();
+ }
+
+ /**
+ * Return the host key public modulus
+ *
+ * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead,
+ * the raw bytes. This behavior is similar to PHP's md5() function.
+ *
+ * @param optional Boolean $raw_output
+ * @return String
+ * @access public
+ */
+ function getHostKeyPublicModulus($raw_output = false)
+ {
+ return $raw_output ? $this->host_key_public_modulus->toBytes() : $this->host_key_public_modulus->toString();
+ }
+
+ /**
+ * Return a list of ciphers supported by SSH1 server.
+ *
+ * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output
+ * is set to true, returns, instead, an array of constants. ie. instead of array('Triple-DES in CBC mode'), you'll
+ * get array(NET_SSH1_CIPHER_3DES).
+ *
+ * @param optional Boolean $raw_output
+ * @return Array
+ * @access public
+ */
+ function getSupportedCiphers($raw_output = false)
+ {
+ return $raw_output ? array_keys($this->supported_ciphers) : array_values($this->supported_ciphers);
+ }
+
+ /**
+ * Return a list of authentications supported by SSH1 server.
+ *
+ * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output
+ * is set to true, returns, instead, an array of constants. ie. instead of array('password authentication'), you'll
+ * get array(NET_SSH1_AUTH_PASSWORD).
+ *
+ * @param optional Boolean $raw_output
+ * @return Array
+ * @access public
+ */
+ function getSupportedAuthentications($raw_output = false)
+ {
+ return $raw_output ? array_keys($this->supported_authentications) : array_values($this->supported_authentications);
+ }
+
+ /**
+ * Return the server identification.
+ *
+ * @return String
+ * @access public
+ */
+ function getServerIdentification()
+ {
+ return rtrim($this->server_identification);
+ }
+
+ /**
+ * Logs data packets
+ *
+ * Makes sure that only the last 1MB worth of packets will be logged
+ *
+ * @param String $data
+ * @access private
+ */
+ function _append_log($protocol_flags, $message)
+ {
+ switch (NET_SSH1_LOGGING) {
+ // useful for benchmarks
+ case NET_SSH1_LOG_SIMPLE:
+ $this->protocol_flags_log[] = $protocol_flags;
+ break;
+ // the most useful log for SSH1
+ case NET_SSH1_LOG_COMPLEX:
+ $this->protocol_flags_log[] = $protocol_flags;
+ $this->_string_shift($message);
+ $this->log_size+= strlen($message);
+ $this->message_log[] = $message;
+ while ($this->log_size > NET_SSH1_LOG_MAX_SIZE) {
+ $this->log_size-= strlen(array_shift($this->message_log));
+ array_shift($this->protocol_flags_log);
+ }
+ break;
+ // dump the output out realtime; packets may be interspersed with non packets,
+ // passwords won't be filtered out and select other packets may not be correctly
+ // identified
+ case NET_SSH1_LOG_REALTIME:
+ echo "<pre>\r\n" . $this->_format_log(array($message), array($protocol_flags)) . "\r\n</pre>\r\n";
+ @flush();
+ @ob_flush();
+ break;
+ // basically the same thing as NET_SSH1_LOG_REALTIME with the caveat that NET_SSH1_LOG_REALTIME_FILE
+ // needs to be defined and that the resultant log file will be capped out at NET_SSH1_LOG_MAX_SIZE.
+ // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily
+ // at the beginning of the file
+ case NET_SSH1_LOG_REALTIME_FILE:
+ if (!isset($this->realtime_log_file)) {
+ // PHP doesn't seem to like using constants in fopen()
+ $filename = NET_SSH1_LOG_REALTIME_FILE;
+ $fp = fopen($filename, 'w');
+ $this->realtime_log_file = $fp;
+ }
+ if (!is_resource($this->realtime_log_file)) {
+ break;
+ }
+ $entry = $this->_format_log(array($message), array($protocol_flags));
+ if ($this->realtime_log_wrap) {
+ $temp = "<<< START >>>\r\n";
+ $entry.= $temp;
+ fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp));
+ }
+ $this->realtime_log_size+= strlen($entry);
+ if ($this->realtime_log_size > NET_SSH1_LOG_MAX_SIZE) {
+ fseek($this->realtime_log_file, 0);
+ $this->realtime_log_size = strlen($entry);
+ $this->realtime_log_wrap = true;
+ }
+ fputs($this->realtime_log_file, $entry);
+ }
+ }
+}
diff --git a/libs/phpseclib-0.3.7/Net/SSH2.php b/libs/phpseclib-0.3.7/Net/SSH2.php new file mode 100644 index 0000000..8f31f86 --- /dev/null +++ b/libs/phpseclib-0.3.7/Net/SSH2.php @@ -0,0 +1,3857 @@ +<?php
+
+/**
+ * Pure-PHP implementation of SSHv2.
+ *
+ * PHP versions 4 and 5
+ *
+ * Here are some examples of how to use this library:
+ * <code>
+ * <?php
+ * include 'Net/SSH2.php';
+ *
+ * $ssh = new Net_SSH2('www.domain.tld');
+ * if (!$ssh->login('username', 'password')) {
+ * exit('Login Failed');
+ * }
+ *
+ * echo $ssh->exec('pwd');
+ * echo $ssh->exec('ls -la');
+ * ?>
+ * </code>
+ *
+ * <code>
+ * <?php
+ * include 'Crypt/RSA.php';
+ * include 'Net/SSH2.php';
+ *
+ * $key = new Crypt_RSA();
+ * //$key->setPassword('whatever');
+ * $key->loadKey(file_get_contents('privatekey'));
+ *
+ * $ssh = new Net_SSH2('www.domain.tld');
+ * if (!$ssh->login('username', $key)) {
+ * exit('Login Failed');
+ * }
+ *
+ * echo $ssh->read('username@username:~$');
+ * $ssh->write("ls -la\n");
+ * echo $ssh->read('username@username:~$');
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category Net
+ * @package Net_SSH2
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMVII Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**#@+
+ * Execution Bitmap Masks
+ *
+ * @see Net_SSH2::bitmap
+ * @access private
+ */
+define('NET_SSH2_MASK_CONSTRUCTOR', 0x00000001);
+define('NET_SSH2_MASK_CONNECTED', 0x00000002);
+define('NET_SSH2_MASK_LOGIN_REQ', 0x00000004);
+define('NET_SSH2_MASK_LOGIN', 0x00000008);
+define('NET_SSH2_MASK_SHELL', 0x00000010);
+define('NET_SSH2_MASK_WINDOW_ADJUST', 0X00000020);
+/**#@-*/
+
+/**#@+
+ * Channel constants
+ *
+ * RFC4254 refers not to client and server channels but rather to sender and recipient channels. we don't refer
+ * to them in that way because RFC4254 toggles the meaning. the client sends a SSH_MSG_CHANNEL_OPEN message with
+ * a sender channel and the server sends a SSH_MSG_CHANNEL_OPEN_CONFIRMATION in response, with a sender and a
+ * recepient channel. at first glance, you might conclude that SSH_MSG_CHANNEL_OPEN_CONFIRMATION's sender channel
+ * would be the same thing as SSH_MSG_CHANNEL_OPEN's sender channel, but it's not, per this snipet:
+ * The 'recipient channel' is the channel number given in the original
+ * open request, and 'sender channel' is the channel number allocated by
+ * the other side.
+ *
+ * @see Net_SSH2::_send_channel_packet()
+ * @see Net_SSH2::_get_channel_packet()
+ * @access private
+ */
+define('NET_SSH2_CHANNEL_EXEC', 0); // PuTTy uses 0x100
+define('NET_SSH2_CHANNEL_SHELL', 1);
+define('NET_SSH2_CHANNEL_SUBSYSTEM', 2);
+/**#@-*/
+
+/**#@+
+ * @access public
+ * @see Net_SSH2::getLog()
+ */
+/**
+ * Returns the message numbers
+ */
+define('NET_SSH2_LOG_SIMPLE', 1);
+/**
+ * Returns the message content
+ */
+define('NET_SSH2_LOG_COMPLEX', 2);
+/**
+ * Outputs the content real-time
+ */
+define('NET_SSH2_LOG_REALTIME', 3);
+/**
+ * Dumps the content real-time to a file
+ */
+define('NET_SSH2_LOG_REALTIME_FILE', 4);
+/**#@-*/
+
+/**#@+
+ * @access public
+ * @see Net_SSH2::read()
+ */
+/**
+ * Returns when a string matching $expect exactly is found
+ */
+define('NET_SSH2_READ_SIMPLE', 1);
+/**
+ * Returns when a string matching the regular expression $expect is found
+ */
+define('NET_SSH2_READ_REGEX', 2);
+/**
+ * Make sure that the log never gets larger than this
+ */
+define('NET_SSH2_LOG_MAX_SIZE', 1024 * 1024);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of SSHv2.
+ *
+ * @package Net_SSH2
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access public
+ */
+class Net_SSH2
+{
+ /**
+ * The SSH identifier
+ *
+ * @var String
+ * @access private
+ */
+ var $identifier;
+
+ /**
+ * The Socket Object
+ *
+ * @var Object
+ * @access private
+ */
+ var $fsock;
+
+ /**
+ * Execution Bitmap
+ *
+ * The bits that are set represent functions that have been called already. This is used to determine
+ * if a requisite function has been successfully executed. If not, an error should be thrown.
+ *
+ * @var Integer
+ * @access private
+ */
+ var $bitmap = 0;
+
+ /**
+ * Error information
+ *
+ * @see Net_SSH2::getErrors()
+ * @see Net_SSH2::getLastError()
+ * @var String
+ * @access private
+ */
+ var $errors = array();
+
+ /**
+ * Server Identifier
+ *
+ * @see Net_SSH2::getServerIdentification()
+ * @var String
+ * @access private
+ */
+ var $server_identifier = '';
+
+ /**
+ * Key Exchange Algorithms
+ *
+ * @see Net_SSH2::getKexAlgorithims()
+ * @var Array
+ * @access private
+ */
+ var $kex_algorithms;
+
+ /**
+ * Server Host Key Algorithms
+ *
+ * @see Net_SSH2::getServerHostKeyAlgorithms()
+ * @var Array
+ * @access private
+ */
+ var $server_host_key_algorithms;
+
+ /**
+ * Encryption Algorithms: Client to Server
+ *
+ * @see Net_SSH2::getEncryptionAlgorithmsClient2Server()
+ * @var Array
+ * @access private
+ */
+ var $encryption_algorithms_client_to_server;
+
+ /**
+ * Encryption Algorithms: Server to Client
+ *
+ * @see Net_SSH2::getEncryptionAlgorithmsServer2Client()
+ * @var Array
+ * @access private
+ */
+ var $encryption_algorithms_server_to_client;
+
+ /**
+ * MAC Algorithms: Client to Server
+ *
+ * @see Net_SSH2::getMACAlgorithmsClient2Server()
+ * @var Array
+ * @access private
+ */
+ var $mac_algorithms_client_to_server;
+
+ /**
+ * MAC Algorithms: Server to Client
+ *
+ * @see Net_SSH2::getMACAlgorithmsServer2Client()
+ * @var Array
+ * @access private
+ */
+ var $mac_algorithms_server_to_client;
+
+ /**
+ * Compression Algorithms: Client to Server
+ *
+ * @see Net_SSH2::getCompressionAlgorithmsClient2Server()
+ * @var Array
+ * @access private
+ */
+ var $compression_algorithms_client_to_server;
+
+ /**
+ * Compression Algorithms: Server to Client
+ *
+ * @see Net_SSH2::getCompressionAlgorithmsServer2Client()
+ * @var Array
+ * @access private
+ */
+ var $compression_algorithms_server_to_client;
+
+ /**
+ * Languages: Server to Client
+ *
+ * @see Net_SSH2::getLanguagesServer2Client()
+ * @var Array
+ * @access private
+ */
+ var $languages_server_to_client;
+
+ /**
+ * Languages: Client to Server
+ *
+ * @see Net_SSH2::getLanguagesClient2Server()
+ * @var Array
+ * @access private
+ */
+ var $languages_client_to_server;
+
+ /**
+ * Block Size for Server to Client Encryption
+ *
+ * "Note that the length of the concatenation of 'packet_length',
+ * 'padding_length', 'payload', and 'random padding' MUST be a multiple
+ * of the cipher block size or 8, whichever is larger. This constraint
+ * MUST be enforced, even when using stream ciphers."
+ *
+ * -- http://tools.ietf.org/html/rfc4253#section-6
+ *
+ * @see Net_SSH2::Net_SSH2()
+ * @see Net_SSH2::_send_binary_packet()
+ * @var Integer
+ * @access private
+ */
+ var $encrypt_block_size = 8;
+
+ /**
+ * Block Size for Client to Server Encryption
+ *
+ * @see Net_SSH2::Net_SSH2()
+ * @see Net_SSH2::_get_binary_packet()
+ * @var Integer
+ * @access private
+ */
+ var $decrypt_block_size = 8;
+
+ /**
+ * Server to Client Encryption Object
+ *
+ * @see Net_SSH2::_get_binary_packet()
+ * @var Object
+ * @access private
+ */
+ var $decrypt = false;
+
+ /**
+ * Client to Server Encryption Object
+ *
+ * @see Net_SSH2::_send_binary_packet()
+ * @var Object
+ * @access private
+ */
+ var $encrypt = false;
+
+ /**
+ * Client to Server HMAC Object
+ *
+ * @see Net_SSH2::_send_binary_packet()
+ * @var Object
+ * @access private
+ */
+ var $hmac_create = false;
+
+ /**
+ * Server to Client HMAC Object
+ *
+ * @see Net_SSH2::_get_binary_packet()
+ * @var Object
+ * @access private
+ */
+ var $hmac_check = false;
+
+ /**
+ * Size of server to client HMAC
+ *
+ * We need to know how big the HMAC will be for the server to client direction so that we know how many bytes to read.
+ * For the client to server side, the HMAC object will make the HMAC as long as it needs to be. All we need to do is
+ * append it.
+ *
+ * @see Net_SSH2::_get_binary_packet()
+ * @var Integer
+ * @access private
+ */
+ var $hmac_size = false;
+
+ /**
+ * Server Public Host Key
+ *
+ * @see Net_SSH2::getServerPublicHostKey()
+ * @var String
+ * @access private
+ */
+ var $server_public_host_key;
+
+ /**
+ * Session identifer
+ *
+ * "The exchange hash H from the first key exchange is additionally
+ * used as the session identifier, which is a unique identifier for
+ * this connection."
+ *
+ * -- http://tools.ietf.org/html/rfc4253#section-7.2
+ *
+ * @see Net_SSH2::_key_exchange()
+ * @var String
+ * @access private
+ */
+ var $session_id = false;
+
+ /**
+ * Exchange hash
+ *
+ * The current exchange hash
+ *
+ * @see Net_SSH2::_key_exchange()
+ * @var String
+ * @access private
+ */
+ var $exchange_hash = false;
+
+ /**
+ * Message Numbers
+ *
+ * @see Net_SSH2::Net_SSH2()
+ * @var Array
+ * @access private
+ */
+ var $message_numbers = array();
+
+ /**
+ * Disconnection Message 'reason codes' defined in RFC4253
+ *
+ * @see Net_SSH2::Net_SSH2()
+ * @var Array
+ * @access private
+ */
+ var $disconnect_reasons = array();
+
+ /**
+ * SSH_MSG_CHANNEL_OPEN_FAILURE 'reason codes', defined in RFC4254
+ *
+ * @see Net_SSH2::Net_SSH2()
+ * @var Array
+ * @access private
+ */
+ var $channel_open_failure_reasons = array();
+
+ /**
+ * Terminal Modes
+ *
+ * @link http://tools.ietf.org/html/rfc4254#section-8
+ * @see Net_SSH2::Net_SSH2()
+ * @var Array
+ * @access private
+ */
+ var $terminal_modes = array();
+
+ /**
+ * SSH_MSG_CHANNEL_EXTENDED_DATA's data_type_codes
+ *
+ * @link http://tools.ietf.org/html/rfc4254#section-5.2
+ * @see Net_SSH2::Net_SSH2()
+ * @var Array
+ * @access private
+ */
+ var $channel_extended_data_type_codes = array();
+
+ /**
+ * Send Sequence Number
+ *
+ * See 'Section 6.4. Data Integrity' of rfc4253 for more info.
+ *
+ * @see Net_SSH2::_send_binary_packet()
+ * @var Integer
+ * @access private
+ */
+ var $send_seq_no = 0;
+
+ /**
+ * Get Sequence Number
+ *
+ * See 'Section 6.4. Data Integrity' of rfc4253 for more info.
+ *
+ * @see Net_SSH2::_get_binary_packet()
+ * @var Integer
+ * @access private
+ */
+ var $get_seq_no = 0;
+
+ /**
+ * Server Channels
+ *
+ * Maps client channels to server channels
+ *
+ * @see Net_SSH2::_get_channel_packet()
+ * @see Net_SSH2::exec()
+ * @var Array
+ * @access private
+ */
+ var $server_channels = array();
+
+ /**
+ * Channel Buffers
+ *
+ * If a client requests a packet from one channel but receives two packets from another those packets should
+ * be placed in a buffer
+ *
+ * @see Net_SSH2::_get_channel_packet()
+ * @see Net_SSH2::exec()
+ * @var Array
+ * @access private
+ */
+ var $channel_buffers = array();
+
+ /**
+ * Channel Status
+ *
+ * Contains the type of the last sent message
+ *
+ * @see Net_SSH2::_get_channel_packet()
+ * @var Array
+ * @access private
+ */
+ var $channel_status = array();
+
+ /**
+ * Packet Size
+ *
+ * Maximum packet size indexed by channel
+ *
+ * @see Net_SSH2::_send_channel_packet()
+ * @var Array
+ * @access private
+ */
+ var $packet_size_client_to_server = array();
+
+ /**
+ * Message Number Log
+ *
+ * @see Net_SSH2::getLog()
+ * @var Array
+ * @access private
+ */
+ var $message_number_log = array();
+
+ /**
+ * Message Log
+ *
+ * @see Net_SSH2::getLog()
+ * @var Array
+ * @access private
+ */
+ var $message_log = array();
+
+ /**
+ * The Window Size
+ *
+ * Bytes the other party can send before it must wait for the window to be adjusted (0x7FFFFFFF = 2GB)
+ *
+ * @var Integer
+ * @see Net_SSH2::_send_channel_packet()
+ * @see Net_SSH2::exec()
+ * @access private
+ */
+ var $window_size = 0x7FFFFFFF;
+
+ /**
+ * Window size, server to client
+ *
+ * Window size indexed by channel
+ *
+ * @see Net_SSH2::_send_channel_packet()
+ * @var Array
+ * @access private
+ */
+ var $window_size_server_to_client = array();
+
+ /**
+ * Window size, client to server
+ *
+ * Window size indexed by channel
+ *
+ * @see Net_SSH2::_get_channel_packet()
+ * @var Array
+ * @access private
+ */
+ var $window_size_client_to_server = array();
+
+ /**
+ * Server signature
+ *
+ * Verified against $this->session_id
+ *
+ * @see Net_SSH2::getServerPublicHostKey()
+ * @var String
+ * @access private
+ */
+ var $signature = '';
+
+ /**
+ * Server signature format
+ *
+ * ssh-rsa or ssh-dss.
+ *
+ * @see Net_SSH2::getServerPublicHostKey()
+ * @var String
+ * @access private
+ */
+ var $signature_format = '';
+
+ /**
+ * Interactive Buffer
+ *
+ * @see Net_SSH2::read()
+ * @var Array
+ * @access private
+ */
+ var $interactiveBuffer = '';
+
+ /**
+ * Current log size
+ *
+ * Should never exceed NET_SSH2_LOG_MAX_SIZE
+ *
+ * @see Net_SSH2::_send_binary_packet()
+ * @see Net_SSH2::_get_binary_packet()
+ * @var Integer
+ * @access private
+ */
+ var $log_size;
+
+ /**
+ * Timeout
+ *
+ * @see Net_SSH2::setTimeout()
+ * @access private
+ */
+ var $timeout;
+
+ /**
+ * Current Timeout
+ *
+ * @see Net_SSH2::_get_channel_packet()
+ * @access private
+ */
+ var $curTimeout;
+
+ /**
+ * Real-time log file pointer
+ *
+ * @see Net_SSH2::_append_log()
+ * @var Resource
+ * @access private
+ */
+ var $realtime_log_file;
+
+ /**
+ * Real-time log file size
+ *
+ * @see Net_SSH2::_append_log()
+ * @var Integer
+ * @access private
+ */
+ var $realtime_log_size;
+
+ /**
+ * Has the signature been validated?
+ *
+ * @see Net_SSH2::getServerPublicHostKey()
+ * @var Boolean
+ * @access private
+ */
+ var $signature_validated = false;
+
+ /**
+ * Real-time log file wrap boolean
+ *
+ * @see Net_SSH2::_append_log()
+ * @access private
+ */
+ var $realtime_log_wrap;
+
+ /**
+ * Flag to suppress stderr from output
+ *
+ * @see Net_SSH2::enableQuietMode()
+ * @access private
+ */
+ var $quiet_mode = false;
+
+ /**
+ * Time of first network activity
+ *
+ * @var Integer
+ * @access private
+ */
+ var $last_packet;
+
+ /**
+ * Exit status returned from ssh if any
+ *
+ * @var Integer
+ * @access private
+ */
+ var $exit_status;
+
+ /**
+ * Flag to request a PTY when using exec()
+ *
+ * @var Boolean
+ * @see Net_SSH2::enablePTY()
+ * @access private
+ */
+ var $request_pty = false;
+
+ /**
+ * Flag set while exec() is running when using enablePTY()
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $in_request_pty_exec = false;
+
+ /**
+ * Flag set after startSubsystem() is called
+ *
+ * @var Boolean
+ * @access private
+ */
+ var $in_subsystem;
+
+ /**
+ * Contents of stdError
+ *
+ * @var String
+ * @access private
+ */
+ var $stdErrorLog;
+
+ /**
+ * The Last Interactive Response
+ *
+ * @see Net_SSH2::_keyboard_interactive_process()
+ * @var String
+ * @access private
+ */
+ var $last_interactive_response = '';
+
+ /**
+ * Keyboard Interactive Request / Responses
+ *
+ * @see Net_SSH2::_keyboard_interactive_process()
+ * @var Array
+ * @access private
+ */
+ var $keyboard_requests_responses = array();
+
+ /**
+ * Banner Message
+ *
+ * Quoting from the RFC, "in some jurisdictions, sending a warning message before
+ * authentication may be relevant for getting legal protection."
+ *
+ * @see Net_SSH2::_filter()
+ * @see Net_SSH2::getBannerMessage()
+ * @var String
+ * @access private
+ */
+ var $banner_message = '';
+
+ /**
+ * Did read() timeout or return normally?
+ *
+ * @see Net_SSH2::isTimeout()
+ * @var Boolean
+ * @access private
+ */
+ var $is_timeout = false;
+
+ /**
+ * Log Boundary
+ *
+ * @see Net_SSH2::_format_log()
+ * @var String
+ * @access private
+ */
+ var $log_boundary = ':';
+
+ /**
+ * Log Long Width
+ *
+ * @see Net_SSH2::_format_log()
+ * @var Integer
+ * @access private
+ */
+ var $log_long_width = 65;
+
+ /**
+ * Log Short Width
+ *
+ * @see Net_SSH2::_format_log()
+ * @var Integer
+ * @access private
+ */
+ var $log_short_width = 16;
+
+ /**
+ * Hostname
+ *
+ * @see Net_SSH2::Net_SSH2()
+ * @see Net_SSH2::_connect()
+ * @var String
+ * @access private
+ */
+ var $host;
+
+ /**
+ * Port Number
+ *
+ * @see Net_SSH2::Net_SSH2()
+ * @see Net_SSH2::_connect()
+ * @var Integer
+ * @access private
+ */
+ var $port;
+
+ /**
+ * Timeout for initial connection
+ *
+ * Set by the constructor call. Calling setTimeout() is optional. If it's not called functions like
+ * exec() won't timeout unless some PHP setting forces it too. The timeout specified in the constructor,
+ * however, is non-optional. There will be a timeout, whether or not you set it. If you don't it'll be
+ * 10 seconds. It is used by fsockopen() and the initial stream_select in that function.
+ *
+ * @see Net_SSH2::Net_SSH2()
+ * @see Net_SSH2::_connect()
+ * @var Integer
+ * @access private
+ */
+ var $connectionTimeout;
+
+ /**
+ * Number of columns for terminal window size
+ *
+ * @see Net_SSH2::getWindowColumns()
+ * @see Net_SSH2::setWindowColumns()
+ * @see Net_SSH2::setWindowSize()
+ * @var Integer
+ * @access private
+ */
+ var $windowColumns = 80;
+
+ /**
+ * Number of columns for terminal window size
+ *
+ * @see Net_SSH2::getWindowRows()
+ * @see Net_SSH2::setWindowRows()
+ * @see Net_SSH2::setWindowSize()
+ * @var Integer
+ * @access private
+ */
+ var $windowRows = 24;
+
+ /**
+ * Default Constructor.
+ *
+ * @param String $host
+ * @param optional Integer $port
+ * @param optional Integer $timeout
+ * @see Net_SSH2::login()
+ * @return Net_SSH2
+ * @access public
+ */
+ function Net_SSH2($host, $port = 22, $timeout = 10)
+ {
+ // Include Math_BigInteger
+ // Used to do Diffie-Hellman key exchange and DSA/RSA signature verification.
+ if (!class_exists('Math_BigInteger')) {
+ include_once 'Math/BigInteger.php';
+ }
+
+ if (!function_exists('crypt_random_string')) {
+ include_once 'Crypt/Random.php';
+ }
+
+ if (!class_exists('Crypt_Hash')) {
+ include_once 'Crypt/Hash.php';
+ }
+
+ $this->message_numbers = array(
+ 1 => 'NET_SSH2_MSG_DISCONNECT',
+ 2 => 'NET_SSH2_MSG_IGNORE',
+ 3 => 'NET_SSH2_MSG_UNIMPLEMENTED',
+ 4 => 'NET_SSH2_MSG_DEBUG',
+ 5 => 'NET_SSH2_MSG_SERVICE_REQUEST',
+ 6 => 'NET_SSH2_MSG_SERVICE_ACCEPT',
+ 20 => 'NET_SSH2_MSG_KEXINIT',
+ 21 => 'NET_SSH2_MSG_NEWKEYS',
+ 30 => 'NET_SSH2_MSG_KEXDH_INIT',
+ 31 => 'NET_SSH2_MSG_KEXDH_REPLY',
+ 50 => 'NET_SSH2_MSG_USERAUTH_REQUEST',
+ 51 => 'NET_SSH2_MSG_USERAUTH_FAILURE',
+ 52 => 'NET_SSH2_MSG_USERAUTH_SUCCESS',
+ 53 => 'NET_SSH2_MSG_USERAUTH_BANNER',
+
+ 80 => 'NET_SSH2_MSG_GLOBAL_REQUEST',
+ 81 => 'NET_SSH2_MSG_REQUEST_SUCCESS',
+ 82 => 'NET_SSH2_MSG_REQUEST_FAILURE',
+ 90 => 'NET_SSH2_MSG_CHANNEL_OPEN',
+ 91 => 'NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION',
+ 92 => 'NET_SSH2_MSG_CHANNEL_OPEN_FAILURE',
+ 93 => 'NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST',
+ 94 => 'NET_SSH2_MSG_CHANNEL_DATA',
+ 95 => 'NET_SSH2_MSG_CHANNEL_EXTENDED_DATA',
+ 96 => 'NET_SSH2_MSG_CHANNEL_EOF',
+ 97 => 'NET_SSH2_MSG_CHANNEL_CLOSE',
+ 98 => 'NET_SSH2_MSG_CHANNEL_REQUEST',
+ 99 => 'NET_SSH2_MSG_CHANNEL_SUCCESS',
+ 100 => 'NET_SSH2_MSG_CHANNEL_FAILURE'
+ );
+ $this->disconnect_reasons = array(
+ 1 => 'NET_SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT',
+ 2 => 'NET_SSH2_DISCONNECT_PROTOCOL_ERROR',
+ 3 => 'NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED',
+ 4 => 'NET_SSH2_DISCONNECT_RESERVED',
+ 5 => 'NET_SSH2_DISCONNECT_MAC_ERROR',
+ 6 => 'NET_SSH2_DISCONNECT_COMPRESSION_ERROR',
+ 7 => 'NET_SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE',
+ 8 => 'NET_SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED',
+ 9 => 'NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE',
+ 10 => 'NET_SSH2_DISCONNECT_CONNECTION_LOST',
+ 11 => 'NET_SSH2_DISCONNECT_BY_APPLICATION',
+ 12 => 'NET_SSH2_DISCONNECT_TOO_MANY_CONNECTIONS',
+ 13 => 'NET_SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER',
+ 14 => 'NET_SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE',
+ 15 => 'NET_SSH2_DISCONNECT_ILLEGAL_USER_NAME'
+ );
+ $this->channel_open_failure_reasons = array(
+ 1 => 'NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED'
+ );
+ $this->terminal_modes = array(
+ 0 => 'NET_SSH2_TTY_OP_END'
+ );
+ $this->channel_extended_data_type_codes = array(
+ 1 => 'NET_SSH2_EXTENDED_DATA_STDERR'
+ );
+
+ $this->_define_array(
+ $this->message_numbers,
+ $this->disconnect_reasons,
+ $this->channel_open_failure_reasons,
+ $this->terminal_modes,
+ $this->channel_extended_data_type_codes,
+ array(60 => 'NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ'),
+ array(60 => 'NET_SSH2_MSG_USERAUTH_PK_OK'),
+ array(60 => 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST',
+ 61 => 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE')
+ );
+
+ $this->host = $host;
+ $this->port = $port;
+ $this->connectionTimeout = $timeout;
+ }
+
+ /**
+ * Connect to an SSHv2 server
+ *
+ * @return Boolean
+ * @access private
+ */
+ function _connect()
+ {
+ $timeout = $this->connectionTimeout;
+ $host = $this->host . ':' . $this->port;
+
+ $this->last_packet = strtok(microtime(), ' ') + strtok(''); // == microtime(true) in PHP5
+
+ $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
+ $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $timeout);
+ if (!$this->fsock) {
+ user_error(rtrim("Cannot connect to $host. Error $errno. $errstr"));
+ return false;
+ }
+ $elapsed = strtok(microtime(), ' ') + strtok('') - $start;
+
+ $timeout-= $elapsed;
+
+ if ($timeout <= 0) {
+ user_error(rtrim("Cannot connect to $host. Timeout error"));
+ return false;
+ }
+
+ $read = array($this->fsock);
+ $write = $except = null;
+
+ $sec = floor($timeout);
+ $usec = 1000000 * ($timeout - $sec);
+
+ // on windows this returns a "Warning: Invalid CRT parameters detected" error
+ // the !count() is done as a workaround for <https://bugs.php.net/42682>
+ if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) {
+ user_error(rtrim("Cannot connect to $host. Banner timeout"));
+ return false;
+ }
+
+ /* According to the SSH2 specs,
+
+ "The server MAY send other lines of data before sending the version
+ string. Each line SHOULD be terminated by a Carriage Return and Line
+ Feed. Such lines MUST NOT begin with "SSH-", and SHOULD be encoded
+ in ISO-10646 UTF-8 [RFC3629] (language is not specified). Clients
+ MUST be able to process such lines." */
+ $temp = '';
+ $extra = '';
+ while (!feof($this->fsock) && !preg_match('#^SSH-(\d\.\d+)#', $temp, $matches)) {
+ if (substr($temp, -2) == "\r\n") {
+ $extra.= $temp;
+ $temp = '';
+ }
+ $temp.= fgets($this->fsock, 255);
+ }
+
+ if (feof($this->fsock)) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ $this->identifier = $this->_generate_identifier();
+
+ if (defined('NET_SSH2_LOGGING')) {
+ $this->_append_log('<-', $extra . $temp);
+ $this->_append_log('->', $this->identifier . "\r\n");
+ }
+
+ $this->server_identifier = trim($temp, "\r\n");
+ if (strlen($extra)) {
+ $this->errors[] = utf8_decode($extra);
+ }
+
+ if ($matches[1] != '1.99' && $matches[1] != '2.0') {
+ user_error("Cannot connect to SSH $matches[1] servers");
+ return false;
+ }
+
+ fputs($this->fsock, $this->identifier . "\r\n");
+
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ if (ord($response[0]) != NET_SSH2_MSG_KEXINIT) {
+ user_error('Expected SSH_MSG_KEXINIT');
+ return false;
+ }
+
+ if (!$this->_key_exchange($response)) {
+ return false;
+ }
+
+ $this->bitmap = NET_SSH2_MASK_CONNECTED;
+
+ return true;
+ }
+
+ /**
+ * Generates the SSH identifier
+ *
+ * You should overwrite this method in your own class if you want to use another identifier
+ *
+ * @access protected
+ * @return String
+ */
+ function _generate_identifier()
+ {
+ $identifier = 'SSH-2.0-phpseclib_0.3';
+
+ $ext = array();
+ if (extension_loaded('mcrypt')) {
+ $ext[] = 'mcrypt';
+ }
+
+ if (extension_loaded('gmp')) {
+ $ext[] = 'gmp';
+ } elseif (extension_loaded('bcmath')) {
+ $ext[] = 'bcmath';
+ }
+
+ if (!empty($ext)) {
+ $identifier .= ' (' . implode(', ', $ext) . ')';
+ }
+
+ return $identifier;
+ }
+
+ /**
+ * Key Exchange
+ *
+ * @param String $kexinit_payload_server
+ * @access private
+ */
+ function _key_exchange($kexinit_payload_server)
+ {
+ static $kex_algorithms = array(
+ 'diffie-hellman-group1-sha1', // REQUIRED
+ 'diffie-hellman-group14-sha1' // REQUIRED
+ );
+
+ static $server_host_key_algorithms = array(
+ 'ssh-rsa', // RECOMMENDED sign Raw RSA Key
+ 'ssh-dss' // REQUIRED sign Raw DSS Key
+ );
+
+ static $encryption_algorithms = false;
+ if ($encryption_algorithms === false) {
+ $encryption_algorithms = array(
+ // from <http://tools.ietf.org/html/rfc4345#section-4>:
+ 'arcfour256',
+ 'arcfour128',
+
+ 'arcfour', // OPTIONAL the ARCFOUR stream cipher with a 128-bit key
+
+ // CTR modes from <http://tools.ietf.org/html/rfc4344#section-4>:
+ 'aes128-ctr', // RECOMMENDED AES (Rijndael) in SDCTR mode, with 128-bit key
+ 'aes192-ctr', // RECOMMENDED AES with 192-bit key
+ 'aes256-ctr', // RECOMMENDED AES with 256-bit key
+
+ 'twofish128-ctr', // OPTIONAL Twofish in SDCTR mode, with 128-bit key
+ 'twofish192-ctr', // OPTIONAL Twofish with 192-bit key
+ 'twofish256-ctr', // OPTIONAL Twofish with 256-bit key
+
+ 'aes128-cbc', // RECOMMENDED AES with a 128-bit key
+ 'aes192-cbc', // OPTIONAL AES with a 192-bit key
+ 'aes256-cbc', // OPTIONAL AES in CBC mode, with a 256-bit key
+
+ 'twofish128-cbc', // OPTIONAL Twofish with a 128-bit key
+ 'twofish192-cbc', // OPTIONAL Twofish with a 192-bit key
+ 'twofish256-cbc',
+ 'twofish-cbc', // OPTIONAL alias for "twofish256-cbc"
+ // (this is being retained for historical reasons)
+
+ 'blowfish-ctr', // OPTIONAL Blowfish in SDCTR mode
+
+ 'blowfish-cbc', // OPTIONAL Blowfish in CBC mode
+
+ '3des-ctr', // RECOMMENDED Three-key 3DES in SDCTR mode
+
+ '3des-cbc', // REQUIRED three-key 3DES in CBC mode
+ 'none' // OPTIONAL no encryption; NOT RECOMMENDED
+ );
+
+ if (phpseclib_resolve_include_path('Crypt/RC4.php') === false) {
+ $encryption_algorithms = array_diff(
+ $encryption_algorithms,
+ array('arcfour256', 'arcfour128', 'arcfour')
+ );
+ }
+ if (phpseclib_resolve_include_path('Crypt/Rijndael.php') === false) {
+ $encryption_algorithms = array_diff(
+ $encryption_algorithms,
+ array('aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'aes128-cbc', 'aes192-cbc', 'aes256-cbc')
+ );
+ }
+ if (phpseclib_resolve_include_path('Crypt/Twofish.php') === false) {
+ $encryption_algorithms = array_diff(
+ $encryption_algorithms,
+ array('twofish128-ctr', 'twofish192-ctr', 'twofish256-ctr', 'twofish128-cbc', 'twofish192-cbc', 'twofish256-cbc', 'twofish-cbc')
+ );
+ }
+ if (phpseclib_resolve_include_path('Crypt/Blowfish.php') === false) {
+ $encryption_algorithms = array_diff(
+ $encryption_algorithms,
+ array('blowfish-ctr', 'blowfish-cbc')
+ );
+ }
+ if (phpseclib_resolve_include_path('Crypt/TripleDES.php') === false) {
+ $encryption_algorithms = array_diff(
+ $encryption_algorithms,
+ array('3des-ctr', '3des-cbc')
+ );
+ }
+ $encryption_algorithms = array_values($encryption_algorithms);
+ }
+
+ $mac_algorithms = array(
+ 'hmac-sha1-96', // RECOMMENDED first 96 bits of HMAC-SHA1 (digest length = 12, key length = 20)
+ 'hmac-sha1', // REQUIRED HMAC-SHA1 (digest length = key length = 20)
+ 'hmac-md5-96', // OPTIONAL first 96 bits of HMAC-MD5 (digest length = 12, key length = 16)
+ 'hmac-md5', // OPTIONAL HMAC-MD5 (digest length = key length = 16)
+ 'none' // OPTIONAL no MAC; NOT RECOMMENDED
+ );
+
+ static $compression_algorithms = array(
+ 'none' // REQUIRED no compression
+ //'zlib' // OPTIONAL ZLIB (LZ77) compression
+ );
+
+ // some SSH servers have buggy implementations of some of the above algorithms
+ switch ($this->server_identifier) {
+ case 'SSH-2.0-SSHD':
+ $mac_algorithms = array_values(array_diff(
+ $mac_algorithms,
+ array('hmac-sha1-96', 'hmac-md5-96')
+ ));
+ }
+
+ static $str_kex_algorithms, $str_server_host_key_algorithms,
+ $encryption_algorithms_server_to_client, $mac_algorithms_server_to_client, $compression_algorithms_server_to_client,
+ $encryption_algorithms_client_to_server, $mac_algorithms_client_to_server, $compression_algorithms_client_to_server;
+
+ if (empty($str_kex_algorithms)) {
+ $str_kex_algorithms = implode(',', $kex_algorithms);
+ $str_server_host_key_algorithms = implode(',', $server_host_key_algorithms);
+ $encryption_algorithms_server_to_client = $encryption_algorithms_client_to_server = implode(',', $encryption_algorithms);
+ $mac_algorithms_server_to_client = $mac_algorithms_client_to_server = implode(',', $mac_algorithms);
+ $compression_algorithms_server_to_client = $compression_algorithms_client_to_server = implode(',', $compression_algorithms);
+ }
+
+ $client_cookie = crypt_random_string(16);
+
+ $response = $kexinit_payload_server;
+ $this->_string_shift($response, 1); // skip past the message number (it should be SSH_MSG_KEXINIT)
+ $server_cookie = $this->_string_shift($response, 16);
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->kex_algorithms = explode(',', $this->_string_shift($response, $temp['length']));
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->server_host_key_algorithms = explode(',', $this->_string_shift($response, $temp['length']));
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->encryption_algorithms_client_to_server = explode(',', $this->_string_shift($response, $temp['length']));
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->encryption_algorithms_server_to_client = explode(',', $this->_string_shift($response, $temp['length']));
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->mac_algorithms_client_to_server = explode(',', $this->_string_shift($response, $temp['length']));
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->mac_algorithms_server_to_client = explode(',', $this->_string_shift($response, $temp['length']));
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->compression_algorithms_client_to_server = explode(',', $this->_string_shift($response, $temp['length']));
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->compression_algorithms_server_to_client = explode(',', $this->_string_shift($response, $temp['length']));
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->languages_client_to_server = explode(',', $this->_string_shift($response, $temp['length']));
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->languages_server_to_client = explode(',', $this->_string_shift($response, $temp['length']));
+
+ extract(unpack('Cfirst_kex_packet_follows', $this->_string_shift($response, 1)));
+ $first_kex_packet_follows = $first_kex_packet_follows != 0;
+
+ // the sending of SSH2_MSG_KEXINIT could go in one of two places. this is the second place.
+ $kexinit_payload_client = pack('Ca*Na*Na*Na*Na*Na*Na*Na*Na*Na*Na*CN',
+ NET_SSH2_MSG_KEXINIT, $client_cookie, strlen($str_kex_algorithms), $str_kex_algorithms,
+ strlen($str_server_host_key_algorithms), $str_server_host_key_algorithms, strlen($encryption_algorithms_client_to_server),
+ $encryption_algorithms_client_to_server, strlen($encryption_algorithms_server_to_client), $encryption_algorithms_server_to_client,
+ strlen($mac_algorithms_client_to_server), $mac_algorithms_client_to_server, strlen($mac_algorithms_server_to_client),
+ $mac_algorithms_server_to_client, strlen($compression_algorithms_client_to_server), $compression_algorithms_client_to_server,
+ strlen($compression_algorithms_server_to_client), $compression_algorithms_server_to_client, 0, '', 0, '',
+ 0, 0
+ );
+
+ if (!$this->_send_binary_packet($kexinit_payload_client)) {
+ return false;
+ }
+ // here ends the second place.
+
+ // we need to decide upon the symmetric encryption algorithms before we do the diffie-hellman key exchange
+ for ($i = 0; $i < count($encryption_algorithms) && !in_array($encryption_algorithms[$i], $this->encryption_algorithms_server_to_client); $i++);
+ if ($i == count($encryption_algorithms)) {
+ user_error('No compatible server to client encryption algorithms found');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ // we don't initialize any crypto-objects, yet - we do that, later. for now, we need the lengths to make the
+ // diffie-hellman key exchange as fast as possible
+ $decrypt = $encryption_algorithms[$i];
+ switch ($decrypt) {
+ case '3des-cbc':
+ case '3des-ctr':
+ $decryptKeyLength = 24; // eg. 192 / 8
+ break;
+ case 'aes256-cbc':
+ case 'aes256-ctr':
+ case 'twofish-cbc':
+ case 'twofish256-cbc':
+ case 'twofish256-ctr':
+ $decryptKeyLength = 32; // eg. 256 / 8
+ break;
+ case 'aes192-cbc':
+ case 'aes192-ctr':
+ case 'twofish192-cbc':
+ case 'twofish192-ctr':
+ $decryptKeyLength = 24; // eg. 192 / 8
+ break;
+ case 'aes128-cbc':
+ case 'aes128-ctr':
+ case 'twofish128-cbc':
+ case 'twofish128-ctr':
+ case 'blowfish-cbc':
+ case 'blowfish-ctr':
+ $decryptKeyLength = 16; // eg. 128 / 8
+ break;
+ case 'arcfour':
+ case 'arcfour128':
+ $decryptKeyLength = 16; // eg. 128 / 8
+ break;
+ case 'arcfour256':
+ $decryptKeyLength = 32; // eg. 128 / 8
+ break;
+ case 'none';
+ $decryptKeyLength = 0;
+ }
+
+ for ($i = 0; $i < count($encryption_algorithms) && !in_array($encryption_algorithms[$i], $this->encryption_algorithms_client_to_server); $i++);
+ if ($i == count($encryption_algorithms)) {
+ user_error('No compatible client to server encryption algorithms found');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ $encrypt = $encryption_algorithms[$i];
+ switch ($encrypt) {
+ case '3des-cbc':
+ case '3des-ctr':
+ $encryptKeyLength = 24;
+ break;
+ case 'aes256-cbc':
+ case 'aes256-ctr':
+ case 'twofish-cbc':
+ case 'twofish256-cbc':
+ case 'twofish256-ctr':
+ $encryptKeyLength = 32;
+ break;
+ case 'aes192-cbc':
+ case 'aes192-ctr':
+ case 'twofish192-cbc':
+ case 'twofish192-ctr':
+ $encryptKeyLength = 24;
+ break;
+ case 'aes128-cbc':
+ case 'aes128-ctr':
+ case 'twofish128-cbc':
+ case 'twofish128-ctr':
+ case 'blowfish-cbc':
+ case 'blowfish-ctr':
+ $encryptKeyLength = 16;
+ break;
+ case 'arcfour':
+ case 'arcfour128':
+ $encryptKeyLength = 16;
+ break;
+ case 'arcfour256':
+ $encryptKeyLength = 32;
+ break;
+ case 'none';
+ $encryptKeyLength = 0;
+ }
+
+ $keyLength = $decryptKeyLength > $encryptKeyLength ? $decryptKeyLength : $encryptKeyLength;
+
+ // through diffie-hellman key exchange a symmetric key is obtained
+ for ($i = 0; $i < count($kex_algorithms) && !in_array($kex_algorithms[$i], $this->kex_algorithms); $i++);
+ if ($i == count($kex_algorithms)) {
+ user_error('No compatible key exchange algorithms found');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ switch ($kex_algorithms[$i]) {
+ // see http://tools.ietf.org/html/rfc2409#section-6.2 and
+ // http://tools.ietf.org/html/rfc2412, appendex E
+ case 'diffie-hellman-group1-sha1':
+ $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' .
+ '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' .
+ '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' .
+ 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF';
+ break;
+ // see http://tools.ietf.org/html/rfc3526#section-3
+ case 'diffie-hellman-group14-sha1':
+ $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' .
+ '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' .
+ '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' .
+ 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' .
+ '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' .
+ '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' .
+ 'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' .
+ '3995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF';
+ break;
+ }
+
+ // For both diffie-hellman-group1-sha1 and diffie-hellman-group14-sha1
+ // the generator field element is 2 (decimal) and the hash function is sha1.
+ $g = new Math_BigInteger(2);
+ $prime = new Math_BigInteger($prime, 16);
+ $kexHash = new Crypt_Hash('sha1');
+ //$q = $p->bitwise_rightShift(1);
+
+ /* To increase the speed of the key exchange, both client and server may
+ reduce the size of their private exponents. It should be at least
+ twice as long as the key material that is generated from the shared
+ secret. For more details, see the paper by van Oorschot and Wiener
+ [VAN-OORSCHOT].
+
+ -- http://tools.ietf.org/html/rfc4419#section-6.2 */
+ $one = new Math_BigInteger(1);
+ $keyLength = min($keyLength, $kexHash->getLength());
+ $max = $one->bitwise_leftShift(16 * $keyLength); // 2 * 8 * $keyLength
+ $max = $max->subtract($one);
+
+ $x = $one->random($one, $max);
+ $e = $g->modPow($x, $prime);
+
+ $eBytes = $e->toBytes(true);
+ $data = pack('CNa*', NET_SSH2_MSG_KEXDH_INIT, strlen($eBytes), $eBytes);
+
+ if (!$this->_send_binary_packet($data)) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+ extract(unpack('Ctype', $this->_string_shift($response, 1)));
+
+ if ($type != NET_SSH2_MSG_KEXDH_REPLY) {
+ user_error('Expected SSH_MSG_KEXDH_REPLY');
+ return false;
+ }
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->server_public_host_key = $server_public_host_key = $this->_string_shift($response, $temp['length']);
+
+ $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4));
+ $public_key_format = $this->_string_shift($server_public_host_key, $temp['length']);
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $fBytes = $this->_string_shift($response, $temp['length']);
+ $f = new Math_BigInteger($fBytes, -256);
+
+ $temp = unpack('Nlength', $this->_string_shift($response, 4));
+ $this->signature = $this->_string_shift($response, $temp['length']);
+
+ $temp = unpack('Nlength', $this->_string_shift($this->signature, 4));
+ $this->signature_format = $this->_string_shift($this->signature, $temp['length']);
+
+ $key = $f->modPow($x, $prime);
+ $keyBytes = $key->toBytes(true);
+
+ $this->exchange_hash = pack('Na*Na*Na*Na*Na*Na*Na*Na*',
+ strlen($this->identifier), $this->identifier, strlen($this->server_identifier), $this->server_identifier,
+ strlen($kexinit_payload_client), $kexinit_payload_client, strlen($kexinit_payload_server),
+ $kexinit_payload_server, strlen($this->server_public_host_key), $this->server_public_host_key, strlen($eBytes),
+ $eBytes, strlen($fBytes), $fBytes, strlen($keyBytes), $keyBytes
+ );
+
+ $this->exchange_hash = $kexHash->hash($this->exchange_hash);
+
+ if ($this->session_id === false) {
+ $this->session_id = $this->exchange_hash;
+ }
+
+ for ($i = 0; $i < count($server_host_key_algorithms) && !in_array($server_host_key_algorithms[$i], $this->server_host_key_algorithms); $i++);
+ if ($i == count($server_host_key_algorithms)) {
+ user_error('No compatible server host key algorithms found');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ if ($public_key_format != $server_host_key_algorithms[$i] || $this->signature_format != $server_host_key_algorithms[$i]) {
+ user_error('Server Host Key Algorithm Mismatch');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ $packet = pack('C',
+ NET_SSH2_MSG_NEWKEYS
+ );
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ extract(unpack('Ctype', $this->_string_shift($response, 1)));
+
+ if ($type != NET_SSH2_MSG_NEWKEYS) {
+ user_error('Expected SSH_MSG_NEWKEYS');
+ return false;
+ }
+
+ switch ($encrypt) {
+ case '3des-cbc':
+ if (!class_exists('Crypt_TripleDES')) {
+ include_once 'Crypt/TripleDES.php';
+ }
+ $this->encrypt = new Crypt_TripleDES();
+ // $this->encrypt_block_size = 64 / 8 == the default
+ break;
+ case '3des-ctr':
+ if (!class_exists('Crypt_TripleDES')) {
+ include_once 'Crypt/TripleDES.php';
+ }
+ $this->encrypt = new Crypt_TripleDES(CRYPT_DES_MODE_CTR);
+ // $this->encrypt_block_size = 64 / 8 == the default
+ break;
+ case 'aes256-cbc':
+ case 'aes192-cbc':
+ case 'aes128-cbc':
+ if (!class_exists('Crypt_Rijndael')) {
+ include_once 'Crypt/Rijndael.php';
+ }
+ $this->encrypt = new Crypt_Rijndael();
+ $this->encrypt_block_size = 16; // eg. 128 / 8
+ break;
+ case 'aes256-ctr':
+ case 'aes192-ctr':
+ case 'aes128-ctr':
+ if (!class_exists('Crypt_Rijndael')) {
+ include_once 'Crypt/Rijndael.php';
+ }
+ $this->encrypt = new Crypt_Rijndael(CRYPT_RIJNDAEL_MODE_CTR);
+ $this->encrypt_block_size = 16; // eg. 128 / 8
+ break;
+ case 'blowfish-cbc':
+ if (!class_exists('Crypt_Blowfish')) {
+ include_once 'Crypt/Blowfish.php';
+ }
+ $this->encrypt = new Crypt_Blowfish();
+ $this->encrypt_block_size = 8;
+ break;
+ case 'blowfish-ctr':
+ if (!class_exists('Crypt_Blowfish')) {
+ include_once 'Crypt/Blowfish.php';
+ }
+ $this->encrypt = new Crypt_Blowfish(CRYPT_BLOWFISH_MODE_CTR);
+ $this->encrypt_block_size = 8;
+ break;
+ case 'twofish128-cbc':
+ case 'twofish192-cbc':
+ case 'twofish256-cbc':
+ case 'twofish-cbc':
+ if (!class_exists('Crypt_Twofish')) {
+ include_once 'Crypt/Twofish.php';
+ }
+ $this->encrypt = new Crypt_Twofish();
+ $this->encrypt_block_size = 16;
+ break;
+ case 'twofish128-ctr':
+ case 'twofish192-ctr':
+ case 'twofish256-ctr':
+ if (!class_exists('Crypt_Twofish')) {
+ include_once 'Crypt/Twofish.php';
+ }
+ $this->encrypt = new Crypt_Twofish(CRYPT_TWOFISH_MODE_CTR);
+ $this->encrypt_block_size = 16;
+ break;
+ case 'arcfour':
+ case 'arcfour128':
+ case 'arcfour256':
+ if (!class_exists('Crypt_RC4')) {
+ include_once 'Crypt/RC4.php';
+ }
+ $this->encrypt = new Crypt_RC4();
+ break;
+ case 'none';
+ //$this->encrypt = new Crypt_Null();
+ }
+
+ switch ($decrypt) {
+ case '3des-cbc':
+ if (!class_exists('Crypt_TripleDES')) {
+ include_once 'Crypt/TripleDES.php';
+ }
+ $this->decrypt = new Crypt_TripleDES();
+ break;
+ case '3des-ctr':
+ if (!class_exists('Crypt_TripleDES')) {
+ include_once 'Crypt/TripleDES.php';
+ }
+ $this->decrypt = new Crypt_TripleDES(CRYPT_DES_MODE_CTR);
+ break;
+ case 'aes256-cbc':
+ case 'aes192-cbc':
+ case 'aes128-cbc':
+ if (!class_exists('Crypt_Rijndael')) {
+ include_once 'Crypt/Rijndael.php';
+ }
+ $this->decrypt = new Crypt_Rijndael();
+ $this->decrypt_block_size = 16;
+ break;
+ case 'aes256-ctr':
+ case 'aes192-ctr':
+ case 'aes128-ctr':
+ if (!class_exists('Crypt_Rijndael')) {
+ include_once 'Crypt/Rijndael.php';
+ }
+ $this->decrypt = new Crypt_Rijndael(CRYPT_RIJNDAEL_MODE_CTR);
+ $this->decrypt_block_size = 16;
+ break;
+ case 'blowfish-cbc':
+ if (!class_exists('Crypt_Blowfish')) {
+ include_once 'Crypt/Blowfish.php';
+ }
+ $this->decrypt = new Crypt_Blowfish();
+ $this->decrypt_block_size = 8;
+ break;
+ case 'blowfish-ctr':
+ if (!class_exists('Crypt_Blowfish')) {
+ include_once 'Crypt/Blowfish.php';
+ }
+ $this->decrypt = new Crypt_Blowfish(CRYPT_BLOWFISH_MODE_CTR);
+ $this->decrypt_block_size = 8;
+ break;
+ case 'twofish128-cbc':
+ case 'twofish192-cbc':
+ case 'twofish256-cbc':
+ case 'twofish-cbc':
+ if (!class_exists('Crypt_Twofish')) {
+ include_once 'Crypt/Twofish.php';
+ }
+ $this->decrypt = new Crypt_Twofish();
+ $this->decrypt_block_size = 16;
+ break;
+ case 'twofish128-ctr':
+ case 'twofish192-ctr':
+ case 'twofish256-ctr':
+ if (!class_exists('Crypt_Twofish')) {
+ include_once 'Crypt/Twofish.php';
+ }
+ $this->decrypt = new Crypt_Twofish(CRYPT_TWOFISH_MODE_CTR);
+ $this->decrypt_block_size = 16;
+ break;
+ case 'arcfour':
+ case 'arcfour128':
+ case 'arcfour256':
+ if (!class_exists('Crypt_RC4')) {
+ include_once 'Crypt/RC4.php';
+ }
+ $this->decrypt = new Crypt_RC4();
+ break;
+ case 'none';
+ //$this->decrypt = new Crypt_Null();
+ }
+
+ $keyBytes = pack('Na*', strlen($keyBytes), $keyBytes);
+
+ if ($this->encrypt) {
+ $this->encrypt->enableContinuousBuffer();
+ $this->encrypt->disablePadding();
+
+ $iv = $kexHash->hash($keyBytes . $this->exchange_hash . 'A' . $this->session_id);
+ while ($this->encrypt_block_size > strlen($iv)) {
+ $iv.= $kexHash->hash($keyBytes . $this->exchange_hash . $iv);
+ }
+ $this->encrypt->setIV(substr($iv, 0, $this->encrypt_block_size));
+
+ $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'C' . $this->session_id);
+ while ($encryptKeyLength > strlen($key)) {
+ $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key);
+ }
+ $this->encrypt->setKey(substr($key, 0, $encryptKeyLength));
+ }
+
+ if ($this->decrypt) {
+ $this->decrypt->enableContinuousBuffer();
+ $this->decrypt->disablePadding();
+
+ $iv = $kexHash->hash($keyBytes . $this->exchange_hash . 'B' . $this->session_id);
+ while ($this->decrypt_block_size > strlen($iv)) {
+ $iv.= $kexHash->hash($keyBytes . $this->exchange_hash . $iv);
+ }
+ $this->decrypt->setIV(substr($iv, 0, $this->decrypt_block_size));
+
+ $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'D' . $this->session_id);
+ while ($decryptKeyLength > strlen($key)) {
+ $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key);
+ }
+ $this->decrypt->setKey(substr($key, 0, $decryptKeyLength));
+ }
+
+ /* The "arcfour128" algorithm is the RC4 cipher, as described in
+ [SCHNEIER], using a 128-bit key. The first 1536 bytes of keystream
+ generated by the cipher MUST be discarded, and the first byte of the
+ first encrypted packet MUST be encrypted using the 1537th byte of
+ keystream.
+
+ -- http://tools.ietf.org/html/rfc4345#section-4 */
+ if ($encrypt == 'arcfour128' || $encrypt == 'arcfour256') {
+ $this->encrypt->encrypt(str_repeat("\0", 1536));
+ }
+ if ($decrypt == 'arcfour128' || $decrypt == 'arcfour256') {
+ $this->decrypt->decrypt(str_repeat("\0", 1536));
+ }
+
+ for ($i = 0; $i < count($mac_algorithms) && !in_array($mac_algorithms[$i], $this->mac_algorithms_client_to_server); $i++);
+ if ($i == count($mac_algorithms)) {
+ user_error('No compatible client to server message authentication algorithms found');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ $createKeyLength = 0; // ie. $mac_algorithms[$i] == 'none'
+ switch ($mac_algorithms[$i]) {
+ case 'hmac-sha1':
+ $this->hmac_create = new Crypt_Hash('sha1');
+ $createKeyLength = 20;
+ break;
+ case 'hmac-sha1-96':
+ $this->hmac_create = new Crypt_Hash('sha1-96');
+ $createKeyLength = 20;
+ break;
+ case 'hmac-md5':
+ $this->hmac_create = new Crypt_Hash('md5');
+ $createKeyLength = 16;
+ break;
+ case 'hmac-md5-96':
+ $this->hmac_create = new Crypt_Hash('md5-96');
+ $createKeyLength = 16;
+ }
+
+ for ($i = 0; $i < count($mac_algorithms) && !in_array($mac_algorithms[$i], $this->mac_algorithms_server_to_client); $i++);
+ if ($i == count($mac_algorithms)) {
+ user_error('No compatible server to client message authentication algorithms found');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ $checkKeyLength = 0;
+ $this->hmac_size = 0;
+ switch ($mac_algorithms[$i]) {
+ case 'hmac-sha1':
+ $this->hmac_check = new Crypt_Hash('sha1');
+ $checkKeyLength = 20;
+ $this->hmac_size = 20;
+ break;
+ case 'hmac-sha1-96':
+ $this->hmac_check = new Crypt_Hash('sha1-96');
+ $checkKeyLength = 20;
+ $this->hmac_size = 12;
+ break;
+ case 'hmac-md5':
+ $this->hmac_check = new Crypt_Hash('md5');
+ $checkKeyLength = 16;
+ $this->hmac_size = 16;
+ break;
+ case 'hmac-md5-96':
+ $this->hmac_check = new Crypt_Hash('md5-96');
+ $checkKeyLength = 16;
+ $this->hmac_size = 12;
+ }
+
+ $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'E' . $this->session_id);
+ while ($createKeyLength > strlen($key)) {
+ $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key);
+ }
+ $this->hmac_create->setKey(substr($key, 0, $createKeyLength));
+
+ $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'F' . $this->session_id);
+ while ($checkKeyLength > strlen($key)) {
+ $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key);
+ }
+ $this->hmac_check->setKey(substr($key, 0, $checkKeyLength));
+
+ for ($i = 0; $i < count($compression_algorithms) && !in_array($compression_algorithms[$i], $this->compression_algorithms_server_to_client); $i++);
+ if ($i == count($compression_algorithms)) {
+ user_error('No compatible server to client compression algorithms found');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+ $this->decompress = $compression_algorithms[$i] == 'zlib';
+
+ for ($i = 0; $i < count($compression_algorithms) && !in_array($compression_algorithms[$i], $this->compression_algorithms_client_to_server); $i++);
+ if ($i == count($compression_algorithms)) {
+ user_error('No compatible client to server compression algorithms found');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+ $this->compress = $compression_algorithms[$i] == 'zlib';
+
+ return true;
+ }
+
+ /**
+ * Login
+ *
+ * The $password parameter can be a plaintext password, a Crypt_RSA object or an array
+ *
+ * @param String $username
+ * @param Mixed $password
+ * @param Mixed $...
+ * @return Boolean
+ * @see _login
+ * @access public
+ */
+ function login($username)
+ {
+ $args = func_get_args();
+ return call_user_func_array(array(&$this, '_login'), $args);
+ }
+
+ /**
+ * Login Helper
+ *
+ * @param String $username
+ * @param Mixed $password
+ * @param Mixed $...
+ * @return Boolean
+ * @see _login_helper
+ * @access private
+ */
+ function _login($username)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_CONSTRUCTOR)) {
+ $this->bitmap |= NET_SSH2_MASK_CONSTRUCTOR;
+ if (!$this->_connect()) {
+ return false;
+ }
+ }
+
+ $args = array_slice(func_get_args(), 1);
+ if (empty($args)) {
+ return $this->_login_helper($username);
+ }
+
+ foreach ($args as $arg) {
+ if ($this->_login_helper($username, $arg)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Login Helper
+ *
+ * @param String $username
+ * @param optional String $password
+ * @return Boolean
+ * @access private
+ * @internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis}
+ * by sending dummy SSH_MSG_IGNORE messages.
+ */
+ function _login_helper($username, $password = null)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_CONNECTED)) {
+ return false;
+ }
+
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN_REQ)) {
+ $packet = pack('CNa*',
+ NET_SSH2_MSG_SERVICE_REQUEST, strlen('ssh-userauth'), 'ssh-userauth'
+ );
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ extract(unpack('Ctype', $this->_string_shift($response, 1)));
+
+ if ($type != NET_SSH2_MSG_SERVICE_ACCEPT) {
+ user_error('Expected SSH_MSG_SERVICE_ACCEPT');
+ return false;
+ }
+ $this->bitmap |= NET_SSH2_MASK_LOGIN_REQ;
+ }
+
+ if (strlen($this->last_interactive_response)) {
+ return !is_string($password) && !is_array($password) ? false : $this->_keyboard_interactive_process($password);
+ }
+
+ // although PHP5's get_class() preserves the case, PHP4's does not
+ if (is_object($password)) {
+ switch (strtolower(get_class($password))) {
+ case 'crypt_rsa':
+ return $this->_privatekey_login($username, $password);
+ case 'system_ssh_agent':
+ return $this->_ssh_agent_login($username, $password);
+ }
+ }
+
+ if (is_array($password)) {
+ if ($this->_keyboard_interactive_login($username, $password)) {
+ $this->bitmap |= NET_SSH2_MASK_LOGIN;
+ return true;
+ }
+ return false;
+ }
+
+ if (!isset($password)) {
+ $packet = pack('CNa*Na*Na*',
+ NET_SSH2_MSG_USERAUTH_REQUEST, strlen($username), $username, strlen('ssh-connection'), 'ssh-connection',
+ strlen('none'), 'none'
+ );
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ extract(unpack('Ctype', $this->_string_shift($response, 1)));
+
+ switch ($type) {
+ case NET_SSH2_MSG_USERAUTH_SUCCESS:
+ $this->bitmap |= NET_SSH2_MASK_LOGIN;
+ return true;
+ //case NET_SSH2_MSG_USERAUTH_FAILURE:
+ default:
+ return false;
+ }
+ }
+
+ $packet = pack('CNa*Na*Na*CNa*',
+ NET_SSH2_MSG_USERAUTH_REQUEST, strlen($username), $username, strlen('ssh-connection'), 'ssh-connection',
+ strlen('password'), 'password', 0, strlen($password), $password
+ );
+
+ // remove the username and password from the logged packet
+ if (!defined('NET_SSH2_LOGGING')) {
+ $logged = null;
+ } else {
+ $logged = pack('CNa*Na*Na*CNa*',
+ NET_SSH2_MSG_USERAUTH_REQUEST, strlen('username'), 'username', strlen('ssh-connection'), 'ssh-connection',
+ strlen('password'), 'password', 0, strlen('password'), 'password'
+ );
+ }
+
+ if (!$this->_send_binary_packet($packet, $logged)) {
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ extract(unpack('Ctype', $this->_string_shift($response, 1)));
+
+ switch ($type) {
+ case NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ: // in theory, the password can be changed
+ if (defined('NET_SSH2_LOGGING')) {
+ $this->message_number_log[count($this->message_number_log) - 1] = 'NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ';
+ }
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $this->errors[] = 'SSH_MSG_USERAUTH_PASSWD_CHANGEREQ: ' . utf8_decode($this->_string_shift($response, $length));
+ return $this->_disconnect(NET_SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER);
+ case NET_SSH2_MSG_USERAUTH_FAILURE:
+ // can we use keyboard-interactive authentication? if not then either the login is bad or the server employees
+ // multi-factor authentication
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $auth_methods = explode(',', $this->_string_shift($response, $length));
+ extract(unpack('Cpartial_success', $this->_string_shift($response, 1)));
+ $partial_success = $partial_success != 0;
+
+ if (!$partial_success && in_array('keyboard-interactive', $auth_methods)) {
+ if ($this->_keyboard_interactive_login($username, $password)) {
+ $this->bitmap |= NET_SSH2_MASK_LOGIN;
+ return true;
+ }
+ return false;
+ }
+ return false;
+ case NET_SSH2_MSG_USERAUTH_SUCCESS:
+ $this->bitmap |= NET_SSH2_MASK_LOGIN;
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Login via keyboard-interactive authentication
+ *
+ * See {@link http://tools.ietf.org/html/rfc4256 RFC4256} for details. This is not a full-featured keyboard-interactive authenticator.
+ *
+ * @param String $username
+ * @param String $password
+ * @return Boolean
+ * @access private
+ */
+ function _keyboard_interactive_login($username, $password)
+ {
+ $packet = pack('CNa*Na*Na*Na*Na*',
+ NET_SSH2_MSG_USERAUTH_REQUEST, strlen($username), $username, strlen('ssh-connection'), 'ssh-connection',
+ strlen('keyboard-interactive'), 'keyboard-interactive', 0, '', 0, ''
+ );
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ return $this->_keyboard_interactive_process($password);
+ }
+
+ /**
+ * Handle the keyboard-interactive requests / responses.
+ *
+ * @param String $responses...
+ * @return Boolean
+ * @access private
+ */
+ function _keyboard_interactive_process()
+ {
+ $responses = func_get_args();
+
+ if (strlen($this->last_interactive_response)) {
+ $response = $this->last_interactive_response;
+ } else {
+ $orig = $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+ }
+
+ extract(unpack('Ctype', $this->_string_shift($response, 1)));
+
+ switch ($type) {
+ case NET_SSH2_MSG_USERAUTH_INFO_REQUEST:
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $this->_string_shift($response, $length); // name; may be empty
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $this->_string_shift($response, $length); // instruction; may be empty
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $this->_string_shift($response, $length); // language tag; may be empty
+ extract(unpack('Nnum_prompts', $this->_string_shift($response, 4)));
+
+ for ($i = 0; $i < count($responses); $i++) {
+ if (is_array($responses[$i])) {
+ foreach ($responses[$i] as $key => $value) {
+ $this->keyboard_requests_responses[$key] = $value;
+ }
+ unset($responses[$i]);
+ }
+ }
+ $responses = array_values($responses);
+
+ if (isset($this->keyboard_requests_responses)) {
+ for ($i = 0; $i < $num_prompts; $i++) {
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ // prompt - ie. "Password: "; must not be empty
+ $prompt = $this->_string_shift($response, $length);
+ //$echo = $this->_string_shift($response) != chr(0);
+ foreach ($this->keyboard_requests_responses as $key => $value) {
+ if (substr($prompt, 0, strlen($key)) == $key) {
+ $responses[] = $value;
+ break;
+ }
+ }
+ }
+ }
+
+ // see http://tools.ietf.org/html/rfc4256#section-3.2
+ if (strlen($this->last_interactive_response)) {
+ $this->last_interactive_response = '';
+ } else if (defined('NET_SSH2_LOGGING')) {
+ $this->message_number_log[count($this->message_number_log) - 1] = str_replace(
+ 'UNKNOWN',
+ 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST',
+ $this->message_number_log[count($this->message_number_log) - 1]
+ );
+ }
+
+ if (!count($responses) && $num_prompts) {
+ $this->last_interactive_response = $orig;
+ $this->bitmap |= NET_SSH_MASK_LOGIN_INTERACTIVE;
+ return false;
+ }
+
+ /*
+ After obtaining the requested information from the user, the client
+ MUST respond with an SSH_MSG_USERAUTH_INFO_RESPONSE message.
+ */
+ // see http://tools.ietf.org/html/rfc4256#section-3.4
+ $packet = $logged = pack('CN', NET_SSH2_MSG_USERAUTH_INFO_RESPONSE, count($responses));
+ for ($i = 0; $i < count($responses); $i++) {
+ $packet.= pack('Na*', strlen($responses[$i]), $responses[$i]);
+ $logged.= pack('Na*', strlen('dummy-answer'), 'dummy-answer');
+ }
+
+ if (!$this->_send_binary_packet($packet, $logged)) {
+ return false;
+ }
+
+ if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == NET_SSH2_LOG_COMPLEX) {
+ $this->message_number_log[count($this->message_number_log) - 1] = str_replace(
+ 'UNKNOWN',
+ 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE',
+ $this->message_number_log[count($this->message_number_log) - 1]
+ );
+ }
+
+ /*
+ After receiving the response, the server MUST send either an
+ SSH_MSG_USERAUTH_SUCCESS, SSH_MSG_USERAUTH_FAILURE, or another
+ SSH_MSG_USERAUTH_INFO_REQUEST message.
+ */
+ // maybe phpseclib should force close the connection after x request / responses? unless something like that is done
+ // there could be an infinite loop of request / responses.
+ return $this->_keyboard_interactive_process();
+ case NET_SSH2_MSG_USERAUTH_SUCCESS:
+ return true;
+ case NET_SSH2_MSG_USERAUTH_FAILURE:
+ return false;
+ }
+
+ return false;
+ }
+
+ /**
+ * Login with an ssh-agent provided key
+ *
+ * @param String $username
+ * @param System_SSH_Agent $agent
+ * @return Boolean
+ * @access private
+ */
+ function _ssh_agent_login($username, $agent)
+ {
+ $keys = $agent->requestIdentities();
+ foreach ($keys as $key) {
+ if ($this->_privatekey_login($username, $key)) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Login with an RSA private key
+ *
+ * @param String $username
+ * @param Crypt_RSA $password
+ * @return Boolean
+ * @access private
+ * @internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis}
+ * by sending dummy SSH_MSG_IGNORE messages.
+ */
+ function _privatekey_login($username, $privatekey)
+ {
+ // see http://tools.ietf.org/html/rfc4253#page-15
+ $publickey = $privatekey->getPublicKey(CRYPT_RSA_PUBLIC_FORMAT_RAW);
+ if ($publickey === false) {
+ return false;
+ }
+
+ $publickey = array(
+ 'e' => $publickey['e']->toBytes(true),
+ 'n' => $publickey['n']->toBytes(true)
+ );
+ $publickey = pack('Na*Na*Na*',
+ strlen('ssh-rsa'), 'ssh-rsa', strlen($publickey['e']), $publickey['e'], strlen($publickey['n']), $publickey['n']
+ );
+
+ $part1 = pack('CNa*Na*Na*',
+ NET_SSH2_MSG_USERAUTH_REQUEST, strlen($username), $username, strlen('ssh-connection'), 'ssh-connection',
+ strlen('publickey'), 'publickey'
+ );
+ $part2 = pack('Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publickey), $publickey);
+
+ $packet = $part1 . chr(0) . $part2;
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ extract(unpack('Ctype', $this->_string_shift($response, 1)));
+
+ switch ($type) {
+ case NET_SSH2_MSG_USERAUTH_FAILURE:
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $this->errors[] = 'SSH_MSG_USERAUTH_FAILURE: ' . $this->_string_shift($response, $length);
+ return false;
+ case NET_SSH2_MSG_USERAUTH_PK_OK:
+ // we'll just take it on faith that the public key blob and the public key algorithm name are as
+ // they should be
+ if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == NET_SSH2_LOG_COMPLEX) {
+ $this->message_number_log[count($this->message_number_log) - 1] = str_replace(
+ 'UNKNOWN',
+ 'NET_SSH2_MSG_USERAUTH_PK_OK',
+ $this->message_number_log[count($this->message_number_log) - 1]
+ );
+ }
+ }
+
+ $packet = $part1 . chr(1) . $part2;
+ $privatekey->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1);
+ $signature = $privatekey->sign(pack('Na*a*', strlen($this->session_id), $this->session_id, $packet));
+ $signature = pack('Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($signature), $signature);
+ $packet.= pack('Na*', strlen($signature), $signature);
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ extract(unpack('Ctype', $this->_string_shift($response, 1)));
+
+ switch ($type) {
+ case NET_SSH2_MSG_USERAUTH_FAILURE:
+ // either the login is bad or the server employs multi-factor authentication
+ return false;
+ case NET_SSH2_MSG_USERAUTH_SUCCESS:
+ $this->bitmap |= NET_SSH2_MASK_LOGIN;
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Set Timeout
+ *
+ * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely. setTimeout() makes it so it'll timeout.
+ * Setting $timeout to false or 0 will mean there is no timeout.
+ *
+ * @param Mixed $timeout
+ * @access public
+ */
+ function setTimeout($timeout)
+ {
+ $this->timeout = $this->curTimeout = $timeout;
+ }
+
+ /**
+ * Get the output from stdError
+ *
+ * @access public
+ */
+ function getStdError()
+ {
+ return $this->stdErrorLog;
+ }
+
+ /**
+ * Execute Command
+ *
+ * If $block is set to false then Net_SSH2::_get_channel_packet(NET_SSH2_CHANNEL_EXEC) will need to be called manually.
+ * In all likelihood, this is not a feature you want to be taking advantage of.
+ *
+ * @param String $command
+ * @param optional Callback $callback
+ * @return String
+ * @access public
+ */
+ function exec($command, $callback = null)
+ {
+ $this->curTimeout = $this->timeout;
+ $this->is_timeout = false;
+ $this->stdErrorLog = '';
+
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ return false;
+ }
+
+ // RFC4254 defines the (client) window size as "bytes the other party can send before it must wait for the window to
+ // be adjusted". 0x7FFFFFFF is, at 2GB, the max size. technically, it should probably be decremented, but,
+ // honestly, if you're transfering more than 2GB, you probably shouldn't be using phpseclib, anyway.
+ // see http://tools.ietf.org/html/rfc4254#section-5.2 for more info
+ $this->window_size_server_to_client[NET_SSH2_CHANNEL_EXEC] = $this->window_size;
+ // 0x8000 is the maximum max packet size, per http://tools.ietf.org/html/rfc4253#section-6.1, although since PuTTy
+ // uses 0x4000, that's what will be used here, as well.
+ $packet_size = 0x4000;
+
+ $packet = pack('CNa*N3',
+ NET_SSH2_MSG_CHANNEL_OPEN, strlen('session'), 'session', NET_SSH2_CHANNEL_EXEC, $this->window_size_server_to_client[NET_SSH2_CHANNEL_EXEC], $packet_size);
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $this->channel_status[NET_SSH2_CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_OPEN;
+
+ $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_EXEC);
+ if ($response === false) {
+ return false;
+ }
+
+ if ($this->request_pty === true) {
+ $terminal_modes = pack('C', NET_SSH2_TTY_OP_END);
+ $packet = pack('CNNa*CNa*N5a*',
+ NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_EXEC], strlen('pty-req'), 'pty-req', 1, strlen('vt100'), 'vt100',
+ $this->windowColumns, $this->windowRows, 0, 0, strlen($terminal_modes), $terminal_modes);
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ list(, $type) = unpack('C', $this->_string_shift($response, 1));
+
+ switch ($type) {
+ case NET_SSH2_MSG_CHANNEL_SUCCESS:
+ break;
+ case NET_SSH2_MSG_CHANNEL_FAILURE:
+ default:
+ user_error('Unable to request pseudo-terminal');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION);
+ }
+ $this->in_request_pty_exec = true;
+ }
+
+ // sending a pty-req SSH_MSG_CHANNEL_REQUEST message is unnecessary and, in fact, in most cases, slows things
+ // down. the one place where it might be desirable is if you're doing something like Net_SSH2::exec('ping localhost &').
+ // with a pty-req SSH_MSG_CHANNEL_REQUEST, exec() will return immediately and the ping process will then
+ // then immediately terminate. without such a request exec() will loop indefinitely. the ping process won't end but
+ // neither will your script.
+
+ // although, in theory, the size of SSH_MSG_CHANNEL_REQUEST could exceed the maximum packet size established by
+ // SSH_MSG_CHANNEL_OPEN_CONFIRMATION, RFC4254#section-5.1 states that the "maximum packet size" refers to the
+ // "maximum size of an individual data packet". ie. SSH_MSG_CHANNEL_DATA. RFC4254#section-5.2 corroborates.
+ $packet = pack('CNNa*CNa*',
+ NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_EXEC], strlen('exec'), 'exec', 1, strlen($command), $command);
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $this->channel_status[NET_SSH2_CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_REQUEST;
+
+ $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_EXEC);
+ if ($response === false) {
+ return false;
+ }
+
+ $this->channel_status[NET_SSH2_CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_DATA;
+
+ if ($callback === false || $this->in_request_pty_exec) {
+ return true;
+ }
+
+ $output = '';
+ while (true) {
+ $temp = $this->_get_channel_packet(NET_SSH2_CHANNEL_EXEC);
+ switch (true) {
+ case $temp === true:
+ return is_callable($callback) ? true : $output;
+ case $temp === false:
+ return false;
+ default:
+ if (is_callable($callback)) {
+ if (call_user_func($callback, $temp) === true) {
+ $this->_close_channel(NET_SSH2_CHANNEL_EXEC);
+ return true;
+ }
+ } else {
+ $output.= $temp;
+ }
+ }
+ }
+ }
+
+ /**
+ * Creates an interactive shell
+ *
+ * @see Net_SSH2::read()
+ * @see Net_SSH2::write()
+ * @return Boolean
+ * @access private
+ */
+ function _initShell()
+ {
+ if ($this->in_request_pty_exec === true) {
+ return true;
+ }
+
+ $this->window_size_server_to_client[NET_SSH2_CHANNEL_SHELL] = $this->window_size;
+ $packet_size = 0x4000;
+
+ $packet = pack('CNa*N3',
+ NET_SSH2_MSG_CHANNEL_OPEN, strlen('session'), 'session', NET_SSH2_CHANNEL_SHELL, $this->window_size_server_to_client[NET_SSH2_CHANNEL_SHELL], $packet_size);
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $this->channel_status[NET_SSH2_CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_OPEN;
+
+ $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_SHELL);
+ if ($response === false) {
+ return false;
+ }
+
+ $terminal_modes = pack('C', NET_SSH2_TTY_OP_END);
+ $packet = pack('CNNa*CNa*N5a*',
+ NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_SHELL], strlen('pty-req'), 'pty-req', 1, strlen('vt100'), 'vt100',
+ $this->windowColumns, $this->windowRows, 0, 0, strlen($terminal_modes), $terminal_modes);
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+
+ list(, $type) = unpack('C', $this->_string_shift($response, 1));
+
+ switch ($type) {
+ case NET_SSH2_MSG_CHANNEL_SUCCESS:
+ // if a pty can't be opened maybe commands can still be executed
+ case NET_SSH2_MSG_CHANNEL_FAILURE:
+ break;
+ default:
+ user_error('Unable to request pseudo-terminal');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION);
+ }
+
+ $packet = pack('CNNa*C',
+ NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_SHELL], strlen('shell'), 'shell', 1);
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $this->channel_status[NET_SSH2_CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_REQUEST;
+
+ $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_SHELL);
+ if ($response === false) {
+ return false;
+ }
+
+ $this->channel_status[NET_SSH2_CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_DATA;
+
+ $this->bitmap |= NET_SSH2_MASK_SHELL;
+
+ return true;
+ }
+
+ /**
+ * Return the channel to be used with read() / write()
+ *
+ * @see Net_SSH2::read()
+ * @see Net_SSH2::write()
+ * @return Integer
+ * @access public
+ */
+ function _get_interactive_channel()
+ {
+ switch (true) {
+ case $this->in_subsystem:
+ return NET_SSH2_CHANNEL_SUBSYSTEM;
+ case $this->in_request_pty_exec:
+ return NET_SSH2_CHANNEL_EXEC;
+ default:
+ return NET_SSH2_CHANNEL_SHELL;
+ }
+ }
+
+ /**
+ * Returns the output of an interactive shell
+ *
+ * Returns when there's a match for $expect, which can take the form of a string literal or,
+ * if $mode == NET_SSH2_READ_REGEX, a regular expression.
+ *
+ * @see Net_SSH2::write()
+ * @param String $expect
+ * @param Integer $mode
+ * @return String
+ * @access public
+ */
+ function read($expect = '', $mode = NET_SSH2_READ_SIMPLE)
+ {
+ $this->curTimeout = $this->timeout;
+ $this->is_timeout = false;
+
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ user_error('Operation disallowed prior to login()');
+ return false;
+ }
+
+ if (!($this->bitmap & NET_SSH2_MASK_SHELL) && !$this->_initShell()) {
+ user_error('Unable to initiate an interactive shell session');
+ return false;
+ }
+
+ $channel = $this->_get_interactive_channel();
+
+ $match = $expect;
+ while (true) {
+ if ($mode == NET_SSH2_READ_REGEX) {
+ preg_match($expect, $this->interactiveBuffer, $matches);
+ $match = isset($matches[0]) ? $matches[0] : '';
+ }
+ $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false;
+ if ($pos !== false) {
+ return $this->_string_shift($this->interactiveBuffer, $pos + strlen($match));
+ }
+ $response = $this->_get_channel_packet($channel);
+ if (is_bool($response)) {
+ $this->in_request_pty_exec = false;
+ return $response ? $this->_string_shift($this->interactiveBuffer, strlen($this->interactiveBuffer)) : false;
+ }
+
+ $this->interactiveBuffer.= $response;
+ }
+ }
+
+ /**
+ * Inputs a command into an interactive shell.
+ *
+ * @see Net_SSH2::read()
+ * @param String $cmd
+ * @return Boolean
+ * @access public
+ */
+ function write($cmd)
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ user_error('Operation disallowed prior to login()');
+ return false;
+ }
+
+ if (!($this->bitmap & NET_SSH2_MASK_SHELL) && !$this->_initShell()) {
+ user_error('Unable to initiate an interactive shell session');
+ return false;
+ }
+
+ return $this->_send_channel_packet($this->_get_interactive_channel(), $cmd);
+ }
+
+ /**
+ * Start a subsystem.
+ *
+ * Right now only one subsystem at a time is supported. To support multiple subsystem's stopSubsystem() could accept
+ * a string that contained the name of the subsystem, but at that point, only one subsystem of each type could be opened.
+ * To support multiple subsystem's of the same name maybe it'd be best if startSubsystem() generated a new channel id and
+ * returns that and then that that was passed into stopSubsystem() but that'll be saved for a future date and implemented
+ * if there's sufficient demand for such a feature.
+ *
+ * @see Net_SSH2::stopSubsystem()
+ * @param String $subsystem
+ * @return Boolean
+ * @access public
+ */
+ function startSubsystem($subsystem)
+ {
+ $this->window_size_server_to_client[NET_SSH2_CHANNEL_SUBSYSTEM] = $this->window_size;
+
+ $packet = pack('CNa*N3',
+ NET_SSH2_MSG_CHANNEL_OPEN, strlen('session'), 'session', NET_SSH2_CHANNEL_SUBSYSTEM, $this->window_size, 0x4000);
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $this->channel_status[NET_SSH2_CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_OPEN;
+
+ $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_SUBSYSTEM);
+ if ($response === false) {
+ return false;
+ }
+
+ $packet = pack('CNNa*CNa*',
+ NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_SUBSYSTEM], strlen('subsystem'), 'subsystem', 1, strlen($subsystem), $subsystem);
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+
+ $this->channel_status[NET_SSH2_CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_REQUEST;
+
+ $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_SUBSYSTEM);
+
+ if ($response === false) {
+ return false;
+ }
+
+ $this->channel_status[NET_SSH2_CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_DATA;
+
+ $this->bitmap |= NET_SSH2_MASK_SHELL;
+ $this->in_subsystem = true;
+
+ return true;
+ }
+
+ /**
+ * Stops a subsystem.
+ *
+ * @see Net_SSH2::startSubsystem()
+ * @return Boolean
+ * @access public
+ */
+ function stopSubsystem()
+ {
+ $this->in_subsystem = false;
+ $this->_close_channel(NET_SSH2_CHANNEL_SUBSYSTEM);
+ return true;
+ }
+
+ /**
+ * Closes a channel
+ *
+ * If read() timed out you might want to just close the channel and have it auto-restart on the next read() call
+ *
+ * @access public
+ */
+ function reset()
+ {
+ $this->_close_channel($this->_get_interactive_channel());
+ }
+
+ /**
+ * Is timeout?
+ *
+ * Did exec() or read() return because they timed out or because they encountered the end?
+ *
+ * @access public
+ */
+ function isTimeout()
+ {
+ return $this->is_timeout;
+ }
+
+ /**
+ * Disconnect
+ *
+ * @access public
+ */
+ function disconnect()
+ {
+ $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION);
+ if (isset($this->realtime_log_file) && is_resource($this->realtime_log_file)) {
+ fclose($this->realtime_log_file);
+ }
+ }
+
+ /**
+ * Destructor.
+ *
+ * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call
+ * disconnect().
+ *
+ * @access public
+ */
+ function __destruct()
+ {
+ $this->disconnect();
+ }
+
+ /**
+ * Is the connection still active?
+ *
+ * @access public
+ */
+ function isConnected()
+ {
+ return $this->bitmap & NET_SSH2_MASK_LOGIN;
+ }
+
+ /**
+ * Gets Binary Packets
+ *
+ * See '6. Binary Packet Protocol' of rfc4253 for more info.
+ *
+ * @see Net_SSH2::_send_binary_packet()
+ * @return String
+ * @access private
+ */
+ function _get_binary_packet()
+ {
+ if (!is_resource($this->fsock) || feof($this->fsock)) {
+ user_error('Connection closed prematurely');
+ $this->bitmap = 0;
+ return false;
+ }
+
+ $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
+ $raw = fread($this->fsock, $this->decrypt_block_size);
+
+ if (!strlen($raw)) {
+ return '';
+ }
+
+ if ($this->decrypt !== false) {
+ $raw = $this->decrypt->decrypt($raw);
+ }
+ if ($raw === false) {
+ user_error('Unable to decrypt content');
+ return false;
+ }
+
+ extract(unpack('Npacket_length/Cpadding_length', $this->_string_shift($raw, 5)));
+
+ $remaining_length = $packet_length + 4 - $this->decrypt_block_size;
+
+ // quoting <http://tools.ietf.org/html/rfc4253#section-6.1>,
+ // "implementations SHOULD check that the packet length is reasonable"
+ // PuTTY uses 0x9000 as the actual max packet size and so to shall we
+ if ($remaining_length < -$this->decrypt_block_size || $remaining_length > 0x9000 || $remaining_length % $this->decrypt_block_size != 0) {
+ user_error('Invalid size');
+ return false;
+ }
+
+ $buffer = '';
+ while ($remaining_length > 0) {
+ $temp = fread($this->fsock, $remaining_length);
+ if ($temp === false || feof($this->fsock)) {
+ user_error('Error reading from socket');
+ $this->bitmap = 0;
+ return false;
+ }
+ $buffer.= $temp;
+ $remaining_length-= strlen($temp);
+ }
+ $stop = strtok(microtime(), ' ') + strtok('');
+ if (strlen($buffer)) {
+ $raw.= $this->decrypt !== false ? $this->decrypt->decrypt($buffer) : $buffer;
+ }
+
+ $payload = $this->_string_shift($raw, $packet_length - $padding_length - 1);
+ $padding = $this->_string_shift($raw, $padding_length); // should leave $raw empty
+
+ if ($this->hmac_check !== false) {
+ $hmac = fread($this->fsock, $this->hmac_size);
+ if ($hmac === false || strlen($hmac) != $this->hmac_size) {
+ user_error('Error reading socket');
+ $this->bitmap = 0;
+ return false;
+ } elseif ($hmac != $this->hmac_check->hash(pack('NNCa*', $this->get_seq_no, $packet_length, $padding_length, $payload . $padding))) {
+ user_error('Invalid HMAC');
+ return false;
+ }
+ }
+
+ //if ($this->decompress) {
+ // $payload = gzinflate(substr($payload, 2));
+ //}
+
+ $this->get_seq_no++;
+
+ if (defined('NET_SSH2_LOGGING')) {
+ $current = strtok(microtime(), ' ') + strtok('');
+ $message_number = isset($this->message_numbers[ord($payload[0])]) ? $this->message_numbers[ord($payload[0])] : 'UNKNOWN (' . ord($payload[0]) . ')';
+ $message_number = '<- ' . $message_number .
+ ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)';
+ $this->_append_log($message_number, $payload);
+ $this->last_packet = $current;
+ }
+
+ return $this->_filter($payload);
+ }
+
+ /**
+ * Filter Binary Packets
+ *
+ * Because some binary packets need to be ignored...
+ *
+ * @see Net_SSH2::_get_binary_packet()
+ * @return String
+ * @access private
+ */
+ function _filter($payload)
+ {
+ switch (ord($payload[0])) {
+ case NET_SSH2_MSG_DISCONNECT:
+ $this->_string_shift($payload, 1);
+ extract(unpack('Nreason_code/Nlength', $this->_string_shift($payload, 8)));
+ $this->errors[] = 'SSH_MSG_DISCONNECT: ' . $this->disconnect_reasons[$reason_code] . "\r\n" . utf8_decode($this->_string_shift($payload, $length));
+ $this->bitmap = 0;
+ return false;
+ case NET_SSH2_MSG_IGNORE:
+ $payload = $this->_get_binary_packet();
+ break;
+ case NET_SSH2_MSG_DEBUG:
+ $this->_string_shift($payload, 2);
+ extract(unpack('Nlength', $this->_string_shift($payload, 4)));
+ $this->errors[] = 'SSH_MSG_DEBUG: ' . utf8_decode($this->_string_shift($payload, $length));
+ $payload = $this->_get_binary_packet();
+ break;
+ case NET_SSH2_MSG_UNIMPLEMENTED:
+ return false;
+ case NET_SSH2_MSG_KEXINIT:
+ if ($this->session_id !== false) {
+ if (!$this->_key_exchange($payload)) {
+ $this->bitmap = 0;
+ return false;
+ }
+ $payload = $this->_get_binary_packet();
+ }
+ }
+
+ // see http://tools.ietf.org/html/rfc4252#section-5.4; only called when the encryption has been activated and when we haven't already logged in
+ if (($this->bitmap & NET_SSH2_MASK_CONNECTED) && !($this->bitmap & NET_SSH2_MASK_LOGIN) && ord($payload[0]) == NET_SSH2_MSG_USERAUTH_BANNER) {
+ $this->_string_shift($payload, 1);
+ extract(unpack('Nlength', $this->_string_shift($payload, 4)));
+ $this->banner_message = utf8_decode($this->_string_shift($payload, $length));
+ $payload = $this->_get_binary_packet();
+ }
+
+ // only called when we've already logged in
+ if (($this->bitmap & NET_SSH2_MASK_CONNECTED) && ($this->bitmap & NET_SSH2_MASK_LOGIN)) {
+ switch (ord($payload[0])) {
+ case NET_SSH2_MSG_GLOBAL_REQUEST: // see http://tools.ietf.org/html/rfc4254#section-4
+ $this->_string_shift($payload, 1);
+ extract(unpack('Nlength', $this->_string_shift($payload)));
+ $this->errors[] = 'SSH_MSG_GLOBAL_REQUEST: ' . utf8_decode($this->_string_shift($payload, $length));
+
+ if (!$this->_send_binary_packet(pack('C', NET_SSH2_MSG_REQUEST_FAILURE))) {
+ return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION);
+ }
+
+ $payload = $this->_get_binary_packet();
+ break;
+ case NET_SSH2_MSG_CHANNEL_OPEN: // see http://tools.ietf.org/html/rfc4254#section-5.1
+ $this->_string_shift($payload, 1);
+ extract(unpack('Nlength', $this->_string_shift($payload, 4)));
+ $this->errors[] = 'SSH_MSG_CHANNEL_OPEN: ' . utf8_decode($this->_string_shift($payload, $length));
+
+ $this->_string_shift($payload, 4); // skip over client channel
+ extract(unpack('Nserver_channel', $this->_string_shift($payload, 4)));
+
+ $packet = pack('CN3a*Na*',
+ NET_SSH2_MSG_REQUEST_FAILURE, $server_channel, NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED, 0, '', 0, '');
+
+ if (!$this->_send_binary_packet($packet)) {
+ return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION);
+ }
+
+ $payload = $this->_get_binary_packet();
+ break;
+ case NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST:
+ $this->_string_shift($payload, 1);
+ extract(unpack('Nchannel', $this->_string_shift($payload, 4)));
+ extract(unpack('Nwindow_size', $this->_string_shift($payload, 4)));
+ $this->window_size_client_to_server[$channel]+= $window_size;
+
+ $payload = ($this->bitmap & NET_SSH2_MASK_WINDOW_ADJUST) ? true : $this->_get_binary_packet();
+ }
+ }
+
+ return $payload;
+ }
+
+ /**
+ * Enable Quiet Mode
+ *
+ * Suppress stderr from output
+ *
+ * @access public
+ */
+ function enableQuietMode()
+ {
+ $this->quiet_mode = true;
+ }
+
+ /**
+ * Disable Quiet Mode
+ *
+ * Show stderr in output
+ *
+ * @access public
+ */
+ function disableQuietMode()
+ {
+ $this->quiet_mode = false;
+ }
+
+ /**
+ * Returns whether Quiet Mode is enabled or not
+ *
+ * @see Net_SSH2::enableQuietMode()
+ * @see Net_SSH2::disableQuietMode()
+ *
+ * @access public
+ * @return boolean
+ */
+ function isQuietModeEnabled()
+ {
+ return $this->quiet_mode;
+ }
+
+ /**
+ * Enable request-pty when using exec()
+ *
+ * @access public
+ */
+ function enablePTY()
+ {
+ $this->request_pty = true;
+ }
+
+ /**
+ * Disable request-pty when using exec()
+ *
+ * @access public
+ */
+ function disablePTY()
+ {
+ $this->request_pty = false;
+ }
+
+ /**
+ * Returns whether request-pty is enabled or not
+ *
+ * @see Net_SSH2::enablePTY()
+ * @see Net_SSH2::disablePTY()
+ *
+ * @access public
+ * @return boolean
+ */
+ function isPTYEnabled()
+ {
+ return $this->request_pty;
+ }
+
+ /**
+ * Gets channel data
+ *
+ * Returns the data as a string if it's available and false if not.
+ *
+ * @param $client_channel
+ * @return Mixed
+ * @access private
+ */
+ function _get_channel_packet($client_channel, $skip_extended = false)
+ {
+ if (!empty($this->channel_buffers[$client_channel])) {
+ return array_shift($this->channel_buffers[$client_channel]);
+ }
+
+ while (true) {
+ if ($this->curTimeout) {
+ if ($this->curTimeout < 0) {
+ $this->is_timeout = true;
+ return true;
+ }
+
+ $read = array($this->fsock);
+ $write = $except = null;
+
+ $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
+ $sec = floor($this->curTimeout);
+ $usec = 1000000 * ($this->curTimeout - $sec);
+ // on windows this returns a "Warning: Invalid CRT parameters detected" error
+ if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) {
+ $this->is_timeout = true;
+ return true;
+ }
+ $elapsed = strtok(microtime(), ' ') + strtok('') - $start;
+ $this->curTimeout-= $elapsed;
+ }
+
+ $response = $this->_get_binary_packet();
+ if ($response === false) {
+ user_error('Connection closed by server');
+ return false;
+ }
+ if ($client_channel == -1 && $response === true) {
+ return true;
+ }
+ if (!strlen($response)) {
+ return '';
+ }
+
+ extract(unpack('Ctype/Nchannel', $this->_string_shift($response, 5)));
+
+ $this->window_size_server_to_client[$channel]-= strlen($response) + 4;
+
+ // resize the window, if appropriate
+ if ($this->window_size_server_to_client[$channel] < 0) {
+ $packet = pack('CNN', NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST, $this->server_channels[$channel], $this->window_size);
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+ $this->window_size_server_to_client[$channel]+= $this->window_size;
+ }
+
+ switch ($this->channel_status[$channel]) {
+ case NET_SSH2_MSG_CHANNEL_OPEN:
+ switch ($type) {
+ case NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION:
+ extract(unpack('Nserver_channel', $this->_string_shift($response, 4)));
+ $this->server_channels[$channel] = $server_channel;
+ extract(unpack('Nwindow_size', $this->_string_shift($response, 4)));
+ $this->window_size_client_to_server[$channel] = $window_size;
+ $temp = unpack('Npacket_size_client_to_server', $this->_string_shift($response, 4));
+ $this->packet_size_client_to_server[$channel] = $temp['packet_size_client_to_server'];
+ return $client_channel == $channel ? true : $this->_get_channel_packet($client_channel, $skip_extended);
+ //case NET_SSH2_MSG_CHANNEL_OPEN_FAILURE:
+ default:
+ user_error('Unable to open channel');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION);
+ }
+ break;
+ case NET_SSH2_MSG_CHANNEL_REQUEST:
+ switch ($type) {
+ case NET_SSH2_MSG_CHANNEL_SUCCESS:
+ return true;
+ case NET_SSH2_MSG_CHANNEL_FAILURE:
+ return false;
+ default:
+ user_error('Unable to fulfill channel request');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION);
+ }
+ case NET_SSH2_MSG_CHANNEL_CLOSE:
+ return $type == NET_SSH2_MSG_CHANNEL_CLOSE ? true : $this->_get_channel_packet($client_channel, $skip_extended);
+ }
+
+ // ie. $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_DATA
+
+ switch ($type) {
+ case NET_SSH2_MSG_CHANNEL_DATA:
+ /*
+ if ($channel == NET_SSH2_CHANNEL_EXEC) {
+ // SCP requires null packets, such as this, be sent. further, in the case of the ssh.com SSH server
+ // this actually seems to make things twice as fast. more to the point, the message right after
+ // SSH_MSG_CHANNEL_DATA (usually SSH_MSG_IGNORE) won't block for as long as it would have otherwise.
+ // in OpenSSH it slows things down but only by a couple thousandths of a second.
+ $this->_send_channel_packet($channel, chr(0));
+ }
+ */
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $data = $this->_string_shift($response, $length);
+ if ($client_channel == $channel) {
+ return $data;
+ }
+ if (!isset($this->channel_buffers[$channel])) {
+ $this->channel_buffers[$channel] = array();
+ }
+ $this->channel_buffers[$channel][] = $data;
+ break;
+ case NET_SSH2_MSG_CHANNEL_EXTENDED_DATA:
+ /*
+ if ($client_channel == NET_SSH2_CHANNEL_EXEC) {
+ $this->_send_channel_packet($client_channel, chr(0));
+ }
+ */
+ // currently, there's only one possible value for $data_type_code: NET_SSH2_EXTENDED_DATA_STDERR
+ extract(unpack('Ndata_type_code/Nlength', $this->_string_shift($response, 8)));
+ $data = $this->_string_shift($response, $length);
+ $this->stdErrorLog.= $data;
+ if ($skip_extended || $this->quiet_mode) {
+ break;
+ }
+ if ($client_channel == $channel) {
+ return $data;
+ }
+ if (!isset($this->channel_buffers[$channel])) {
+ $this->channel_buffers[$channel] = array();
+ }
+ $this->channel_buffers[$channel][] = $data;
+ break;
+ case NET_SSH2_MSG_CHANNEL_REQUEST:
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $value = $this->_string_shift($response, $length);
+ switch ($value) {
+ case 'exit-signal':
+ $this->_string_shift($response, 1);
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ $this->errors[] = 'SSH_MSG_CHANNEL_REQUEST (exit-signal): ' . $this->_string_shift($response, $length);
+ $this->_string_shift($response, 1);
+ extract(unpack('Nlength', $this->_string_shift($response, 4)));
+ if ($length) {
+ $this->errors[count($this->errors)].= "\r\n" . $this->_string_shift($response, $length);
+ }
+
+ $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_EOF, $this->server_channels[$client_channel]));
+ $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$channel]));
+
+ $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_EOF;
+
+ break;
+ case 'exit-status':
+ extract(unpack('Cfalse/Nexit_status', $this->_string_shift($response, 5)));
+ $this->exit_status = $exit_status;
+
+ // "The client MAY ignore these messages."
+ // -- http://tools.ietf.org/html/rfc4254#section-6.10
+
+ break;
+ default:
+ // "Some systems may not implement signals, in which case they SHOULD ignore this message."
+ // -- http://tools.ietf.org/html/rfc4254#section-6.9
+ break;
+ }
+ break;
+ case NET_SSH2_MSG_CHANNEL_CLOSE:
+ $this->curTimeout = 0;
+
+ if ($this->bitmap & NET_SSH2_MASK_SHELL) {
+ $this->bitmap&= ~NET_SSH2_MASK_SHELL;
+ }
+ if ($this->channel_status[$channel] != NET_SSH2_MSG_CHANNEL_EOF) {
+ $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$channel]));
+ }
+
+ $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_CLOSE;
+ return true;
+ case NET_SSH2_MSG_CHANNEL_EOF:
+ break;
+ default:
+ user_error('Error reading channel data');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION);
+ }
+ }
+ }
+
+ /**
+ * Sends Binary Packets
+ *
+ * See '6. Binary Packet Protocol' of rfc4253 for more info.
+ *
+ * @param String $data
+ * @param optional String $logged
+ * @see Net_SSH2::_get_binary_packet()
+ * @return Boolean
+ * @access private
+ */
+ function _send_binary_packet($data, $logged = null)
+ {
+ if (!is_resource($this->fsock) || feof($this->fsock)) {
+ user_error('Connection closed prematurely');
+ $this->bitmap = 0;
+ return false;
+ }
+
+ //if ($this->compress) {
+ // // the -4 removes the checksum:
+ // // http://php.net/function.gzcompress#57710
+ // $data = substr(gzcompress($data), 0, -4);
+ //}
+
+ // 4 (packet length) + 1 (padding length) + 4 (minimal padding amount) == 9
+ $packet_length = strlen($data) + 9;
+ // round up to the nearest $this->encrypt_block_size
+ $packet_length+= (($this->encrypt_block_size - 1) * $packet_length) % $this->encrypt_block_size;
+ // subtracting strlen($data) is obvious - subtracting 5 is necessary because of packet_length and padding_length
+ $padding_length = $packet_length - strlen($data) - 5;
+ $padding = crypt_random_string($padding_length);
+
+ // we subtract 4 from packet_length because the packet_length field isn't supposed to include itself
+ $packet = pack('NCa*', $packet_length - 4, $padding_length, $data . $padding);
+
+ $hmac = $this->hmac_create !== false ? $this->hmac_create->hash(pack('Na*', $this->send_seq_no, $packet)) : '';
+ $this->send_seq_no++;
+
+ if ($this->encrypt !== false) {
+ $packet = $this->encrypt->encrypt($packet);
+ }
+
+ $packet.= $hmac;
+
+ $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838
+ $result = strlen($packet) == fputs($this->fsock, $packet);
+ $stop = strtok(microtime(), ' ') + strtok('');
+
+ if (defined('NET_SSH2_LOGGING')) {
+ $current = strtok(microtime(), ' ') + strtok('');
+ $message_number = isset($this->message_numbers[ord($data[0])]) ? $this->message_numbers[ord($data[0])] : 'UNKNOWN (' . ord($data[0]) . ')';
+ $message_number = '-> ' . $message_number .
+ ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)';
+ $this->_append_log($message_number, isset($logged) ? $logged : $data);
+ $this->last_packet = $current;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Logs data packets
+ *
+ * Makes sure that only the last 1MB worth of packets will be logged
+ *
+ * @param String $data
+ * @access private
+ */
+ function _append_log($message_number, $message)
+ {
+ // remove the byte identifying the message type from all but the first two messages (ie. the identification strings)
+ if (strlen($message_number) > 2) {
+ $this->_string_shift($message);
+ }
+
+ switch (NET_SSH2_LOGGING) {
+ // useful for benchmarks
+ case NET_SSH2_LOG_SIMPLE:
+ $this->message_number_log[] = $message_number;
+ break;
+ // the most useful log for SSH2
+ case NET_SSH2_LOG_COMPLEX:
+ $this->message_number_log[] = $message_number;
+ $this->log_size+= strlen($message);
+ $this->message_log[] = $message;
+ while ($this->log_size > NET_SSH2_LOG_MAX_SIZE) {
+ $this->log_size-= strlen(array_shift($this->message_log));
+ array_shift($this->message_number_log);
+ }
+ break;
+ // dump the output out realtime; packets may be interspersed with non packets,
+ // passwords won't be filtered out and select other packets may not be correctly
+ // identified
+ case NET_SSH2_LOG_REALTIME:
+ switch (PHP_SAPI) {
+ case 'cli':
+ $start = $stop = "\r\n";
+ break;
+ default:
+ $start = '<pre>';
+ $stop = '</pre>';
+ }
+ echo $start . $this->_format_log(array($message), array($message_number)) . $stop;
+ @flush();
+ @ob_flush();
+ break;
+ // basically the same thing as NET_SSH2_LOG_REALTIME with the caveat that NET_SSH2_LOG_REALTIME_FILE
+ // needs to be defined and that the resultant log file will be capped out at NET_SSH2_LOG_MAX_SIZE.
+ // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily
+ // at the beginning of the file
+ case NET_SSH2_LOG_REALTIME_FILE:
+ if (!isset($this->realtime_log_file)) {
+ // PHP doesn't seem to like using constants in fopen()
+ $filename = NET_SSH2_LOG_REALTIME_FILENAME;
+ $fp = fopen($filename, 'w');
+ $this->realtime_log_file = $fp;
+ }
+ if (!is_resource($this->realtime_log_file)) {
+ break;
+ }
+ $entry = $this->_format_log(array($message), array($message_number));
+ if ($this->realtime_log_wrap) {
+ $temp = "<<< START >>>\r\n";
+ $entry.= $temp;
+ fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp));
+ }
+ $this->realtime_log_size+= strlen($entry);
+ if ($this->realtime_log_size > NET_SSH2_LOG_MAX_SIZE) {
+ fseek($this->realtime_log_file, 0);
+ $this->realtime_log_size = strlen($entry);
+ $this->realtime_log_wrap = true;
+ }
+ fputs($this->realtime_log_file, $entry);
+ }
+ }
+
+ /**
+ * Sends channel data
+ *
+ * Spans multiple SSH_MSG_CHANNEL_DATAs if appropriate
+ *
+ * @param Integer $client_channel
+ * @param String $data
+ * @return Boolean
+ * @access private
+ */
+ function _send_channel_packet($client_channel, $data)
+ {
+ /* The maximum amount of data allowed is determined by the maximum
+ packet size for the channel, and the current window size, whichever
+ is smaller.
+
+ -- http://tools.ietf.org/html/rfc4254#section-5.2 */
+ $max_size = min(
+ $this->packet_size_client_to_server[$client_channel],
+ $this->window_size_client_to_server[$client_channel]
+ ) - 4;
+ while (strlen($data) > $max_size) {
+ if (!$this->window_size_client_to_server[$client_channel]) {
+ $this->bitmap^= NET_SSH2_MASK_WINDOW_ADJUST;
+ // using an invalid channel will let the buffers be built up for the valid channels
+ $output = $this->_get_channel_packet(-1);
+ $this->bitmap^= NET_SSH2_MASK_WINDOW_ADJUST;
+ $max_size = min(
+ $this->packet_size_client_to_server[$client_channel],
+ $this->window_size_client_to_server[$client_channel]
+ ) - 4;
+ }
+
+ $temp = $this->_string_shift($data, $max_size);
+ $packet = pack('CN2a*',
+ NET_SSH2_MSG_CHANNEL_DATA,
+ $this->server_channels[$client_channel],
+ strlen($temp),
+ $temp
+ );
+
+ $this->window_size_client_to_server[$client_channel]-= strlen($temp) + 4;
+
+ if (!$this->_send_binary_packet($packet)) {
+ return false;
+ }
+ }
+
+ if (strlen($data) >= $this->window_size_client_to_server[$client_channel] - 4) {
+ $this->bitmap^= NET_SSH2_MASK_WINDOW_ADJUST;
+ $this->_get_channel_packet(-1);
+ $this->bitmap^= NET_SSH2_MASK_WINDOW_ADJUST;
+ }
+
+ $this->window_size_client_to_server[$client_channel]-= strlen($data) + 4;
+
+ return $this->_send_binary_packet(pack('CN2a*',
+ NET_SSH2_MSG_CHANNEL_DATA,
+ $this->server_channels[$client_channel],
+ strlen($data),
+ $data));
+ }
+
+ /**
+ * Closes and flushes a channel
+ *
+ * Net_SSH2 doesn't properly close most channels. For exec() channels are normally closed by the server
+ * and for SFTP channels are presumably closed when the client disconnects. This functions is intended
+ * for SCP more than anything.
+ *
+ * @param Integer $client_channel
+ * @param Boolean $want_reply
+ * @return Boolean
+ * @access private
+ */
+ function _close_channel($client_channel, $want_reply = false)
+ {
+ // see http://tools.ietf.org/html/rfc4254#section-5.3
+
+ $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_EOF, $this->server_channels[$client_channel]));
+
+ if (!$want_reply) {
+ $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$client_channel]));
+ }
+
+ $this->channel_status[$client_channel] = NET_SSH2_MSG_CHANNEL_CLOSE;
+
+ $this->curTimeout = 0;
+
+ while (!is_bool($this->_get_channel_packet($client_channel)));
+
+ if ($want_reply) {
+ $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$client_channel]));
+ }
+
+ if ($this->bitmap & NET_SSH2_MASK_SHELL) {
+ $this->bitmap&= ~NET_SSH2_MASK_SHELL;
+ }
+ }
+
+ /**
+ * Disconnect
+ *
+ * @param Integer $reason
+ * @return Boolean
+ * @access private
+ */
+ function _disconnect($reason)
+ {
+ if ($this->bitmap) {
+ $data = pack('CNNa*Na*', NET_SSH2_MSG_DISCONNECT, $reason, 0, '', 0, '');
+ $this->_send_binary_packet($data);
+ $this->bitmap = 0;
+ fclose($this->fsock);
+ return false;
+ }
+ }
+
+ /**
+ * String Shift
+ *
+ * Inspired by array_shift
+ *
+ * @param String $string
+ * @param optional Integer $index
+ * @return String
+ * @access private
+ */
+ function _string_shift(&$string, $index = 1)
+ {
+ $substr = substr($string, 0, $index);
+ $string = substr($string, $index);
+ return $substr;
+ }
+
+ /**
+ * Define Array
+ *
+ * Takes any number of arrays whose indices are integers and whose values are strings and defines a bunch of
+ * named constants from it, using the value as the name of the constant and the index as the value of the constant.
+ * If any of the constants that would be defined already exists, none of the constants will be defined.
+ *
+ * @param Array $array
+ * @access private
+ */
+ function _define_array()
+ {
+ $args = func_get_args();
+ foreach ($args as $arg) {
+ foreach ($arg as $key=>$value) {
+ if (!defined($value)) {
+ define($value, $key);
+ } else {
+ break 2;
+ }
+ }
+ }
+ }
+
+ /**
+ * Returns a log of the packets that have been sent and received.
+ *
+ * Returns a string if NET_SSH2_LOGGING == NET_SSH2_LOG_COMPLEX, an array if NET_SSH2_LOGGING == NET_SSH2_LOG_SIMPLE and false if !defined('NET_SSH2_LOGGING')
+ *
+ * @access public
+ * @return String or Array
+ */
+ function getLog()
+ {
+ if (!defined('NET_SSH2_LOGGING')) {
+ return false;
+ }
+
+ switch (NET_SSH2_LOGGING) {
+ case NET_SSH2_LOG_SIMPLE:
+ return $this->message_number_log;
+ break;
+ case NET_SSH2_LOG_COMPLEX:
+ return $this->_format_log($this->message_log, $this->message_number_log);
+ break;
+ default:
+ return false;
+ }
+ }
+
+ /**
+ * Formats a log for printing
+ *
+ * @param Array $message_log
+ * @param Array $message_number_log
+ * @access private
+ * @return String
+ */
+ function _format_log($message_log, $message_number_log)
+ {
+ $output = '';
+ for ($i = 0; $i < count($message_log); $i++) {
+ $output.= $message_number_log[$i] . "\r\n";
+ $current_log = $message_log[$i];
+ $j = 0;
+ do {
+ if (strlen($current_log)) {
+ $output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 ';
+ }
+ $fragment = $this->_string_shift($current_log, $this->log_short_width);
+ $hex = substr(preg_replace_callback('#.#s', array($this, '_format_log_helper'), $fragment), strlen($this->log_boundary));
+ // replace non ASCII printable characters with dots
+ // http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters
+ // also replace < with a . since < messes up the output on web browsers
+ $raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment);
+ $output.= str_pad($hex, $this->log_long_width - $this->log_short_width, ' ') . $raw . "\r\n";
+ $j++;
+ } while (strlen($current_log));
+ $output.= "\r\n";
+ }
+
+ return $output;
+ }
+
+ /**
+ * Helper function for _format_log
+ *
+ * For use with preg_replace_callback()
+ *
+ * @param Array $matches
+ * @access private
+ * @return String
+ */
+ function _format_log_helper($matches)
+ {
+ return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT);
+ }
+
+ /**
+ * Returns all errors
+ *
+ * @return String
+ * @access public
+ */
+ function getErrors()
+ {
+ return $this->errors;
+ }
+
+ /**
+ * Returns the last error
+ *
+ * @return String
+ * @access public
+ */
+ function getLastError()
+ {
+ return $this->errors[count($this->errors) - 1];
+ }
+
+ /**
+ * Return the server identification.
+ *
+ * @return String
+ * @access public
+ */
+ function getServerIdentification()
+ {
+ return $this->server_identifier;
+ }
+
+ /**
+ * Return a list of the key exchange algorithms the server supports.
+ *
+ * @return Array
+ * @access public
+ */
+ function getKexAlgorithms()
+ {
+ return $this->kex_algorithms;
+ }
+
+ /**
+ * Return a list of the host key (public key) algorithms the server supports.
+ *
+ * @return Array
+ * @access public
+ */
+ function getServerHostKeyAlgorithms()
+ {
+ return $this->server_host_key_algorithms;
+ }
+
+ /**
+ * Return a list of the (symmetric key) encryption algorithms the server supports, when receiving stuff from the client.
+ *
+ * @return Array
+ * @access public
+ */
+ function getEncryptionAlgorithmsClient2Server()
+ {
+ return $this->encryption_algorithms_client_to_server;
+ }
+
+ /**
+ * Return a list of the (symmetric key) encryption algorithms the server supports, when sending stuff to the client.
+ *
+ * @return Array
+ * @access public
+ */
+ function getEncryptionAlgorithmsServer2Client()
+ {
+ return $this->encryption_algorithms_server_to_client;
+ }
+
+ /**
+ * Return a list of the MAC algorithms the server supports, when receiving stuff from the client.
+ *
+ * @return Array
+ * @access public
+ */
+ function getMACAlgorithmsClient2Server()
+ {
+ return $this->mac_algorithms_client_to_server;
+ }
+
+ /**
+ * Return a list of the MAC algorithms the server supports, when sending stuff to the client.
+ *
+ * @return Array
+ * @access public
+ */
+ function getMACAlgorithmsServer2Client()
+ {
+ return $this->mac_algorithms_server_to_client;
+ }
+
+ /**
+ * Return a list of the compression algorithms the server supports, when receiving stuff from the client.
+ *
+ * @return Array
+ * @access public
+ */
+ function getCompressionAlgorithmsClient2Server()
+ {
+ return $this->compression_algorithms_client_to_server;
+ }
+
+ /**
+ * Return a list of the compression algorithms the server supports, when sending stuff to the client.
+ *
+ * @return Array
+ * @access public
+ */
+ function getCompressionAlgorithmsServer2Client()
+ {
+ return $this->compression_algorithms_server_to_client;
+ }
+
+ /**
+ * Return a list of the languages the server supports, when sending stuff to the client.
+ *
+ * @return Array
+ * @access public
+ */
+ function getLanguagesServer2Client()
+ {
+ return $this->languages_server_to_client;
+ }
+
+ /**
+ * Return a list of the languages the server supports, when receiving stuff from the client.
+ *
+ * @return Array
+ * @access public
+ */
+ function getLanguagesClient2Server()
+ {
+ return $this->languages_client_to_server;
+ }
+
+ /**
+ * Returns the banner message.
+ *
+ * Quoting from the RFC, "in some jurisdictions, sending a warning message before
+ * authentication may be relevant for getting legal protection."
+ *
+ * @return String
+ * @access public
+ */
+ function getBannerMessage()
+ {
+ return $this->banner_message;
+ }
+
+ /**
+ * Returns the server public host key.
+ *
+ * Caching this the first time you connect to a server and checking the result on subsequent connections
+ * is recommended. Returns false if the server signature is not signed correctly with the public host key.
+ *
+ * @return Mixed
+ * @access public
+ */
+ function getServerPublicHostKey()
+ {
+ if (!($this->bitmap & NET_SSH2_MASK_CONSTRUCTOR)) {
+ $this->bitmap |= NET_SSH2_MASK_CONSTRUCTOR;
+ if (!$this->_connect()) {
+ return false;
+ }
+ }
+
+ $signature = $this->signature;
+ $server_public_host_key = $this->server_public_host_key;
+
+ extract(unpack('Nlength', $this->_string_shift($server_public_host_key, 4)));
+ $this->_string_shift($server_public_host_key, $length);
+
+ if ($this->signature_validated) {
+ return $this->bitmap ?
+ $this->signature_format . ' ' . base64_encode($this->server_public_host_key) :
+ false;
+ }
+
+ $this->signature_validated = true;
+
+ switch ($this->signature_format) {
+ case 'ssh-dss':
+ $zero = new Math_BigInteger();
+
+ $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4));
+ $p = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256);
+
+ $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4));
+ $q = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256);
+
+ $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4));
+ $g = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256);
+
+ $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4));
+ $y = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256);
+
+ /* The value for 'dss_signature_blob' is encoded as a string containing
+ r, followed by s (which are 160-bit integers, without lengths or
+ padding, unsigned, and in network byte order). */
+ $temp = unpack('Nlength', $this->_string_shift($signature, 4));
+ if ($temp['length'] != 40) {
+ user_error('Invalid signature');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ $r = new Math_BigInteger($this->_string_shift($signature, 20), 256);
+ $s = new Math_BigInteger($this->_string_shift($signature, 20), 256);
+
+ switch (true) {
+ case $r->equals($zero):
+ case $r->compare($q) >= 0:
+ case $s->equals($zero):
+ case $s->compare($q) >= 0:
+ user_error('Invalid signature');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ $w = $s->modInverse($q);
+
+ $u1 = $w->multiply(new Math_BigInteger(sha1($this->exchange_hash), 16));
+ list(, $u1) = $u1->divide($q);
+
+ $u2 = $w->multiply($r);
+ list(, $u2) = $u2->divide($q);
+
+ $g = $g->modPow($u1, $p);
+ $y = $y->modPow($u2, $p);
+
+ $v = $g->multiply($y);
+ list(, $v) = $v->divide($p);
+ list(, $v) = $v->divide($q);
+
+ if (!$v->equals($r)) {
+ user_error('Bad server signature');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE);
+ }
+
+ break;
+ case 'ssh-rsa':
+ $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4));
+ $e = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256);
+
+ $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4));
+ $n = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256);
+ $nLength = $temp['length'];
+
+ /*
+ $temp = unpack('Nlength', $this->_string_shift($signature, 4));
+ $signature = $this->_string_shift($signature, $temp['length']);
+
+ if (!class_exists('Crypt_RSA')) {
+ include_once 'Crypt/RSA.php';
+ }
+
+ $rsa = new Crypt_RSA();
+ $rsa->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1);
+ $rsa->loadKey(array('e' => $e, 'n' => $n), CRYPT_RSA_PUBLIC_FORMAT_RAW);
+ if (!$rsa->verify($this->exchange_hash, $signature)) {
+ user_error('Bad server signature');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE);
+ }
+ */
+
+ $temp = unpack('Nlength', $this->_string_shift($signature, 4));
+ $s = new Math_BigInteger($this->_string_shift($signature, $temp['length']), 256);
+
+ // validate an RSA signature per "8.2 RSASSA-PKCS1-v1_5", "5.2.2 RSAVP1", and "9.1 EMSA-PSS" in the
+ // following URL:
+ // ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf
+
+ // also, see SSHRSA.c (rsa2_verifysig) in PuTTy's source.
+
+ if ($s->compare(new Math_BigInteger()) < 0 || $s->compare($n->subtract(new Math_BigInteger(1))) > 0) {
+ user_error('Invalid signature');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+ }
+
+ $s = $s->modPow($e, $n);
+ $s = $s->toBytes();
+
+ $h = pack('N4H*', 0x00302130, 0x0906052B, 0x0E03021A, 0x05000414, sha1($this->exchange_hash));
+ $h = chr(0x01) . str_repeat(chr(0xFF), $nLength - 3 - strlen($h)) . $h;
+
+ if ($s != $h) {
+ user_error('Bad server signature');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE);
+ }
+ break;
+ default:
+ user_error('Unsupported signature format');
+ return $this->_disconnect(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE);
+ }
+
+ return $this->signature_format . ' ' . base64_encode($this->server_public_host_key);
+ }
+
+ /**
+ * Returns the exit status of an SSH command or false.
+ *
+ * @return Integer or false
+ * @access public
+ */
+ function getExitStatus()
+ {
+ if (is_null($this->exit_status)) {
+ return false;
+ }
+ return $this->exit_status;
+ }
+
+ /**
+ * Returns the number of columns for the terminal window size.
+ *
+ * @return Integer
+ * @access public
+ */
+ function getWindowColumns()
+ {
+ return $this->windowColumns;
+ }
+
+ /**
+ * Returns the number of rows for the terminal window size.
+ *
+ * @return Integer
+ * @access public
+ */
+ function getWindowRows()
+ {
+ return $this->windowRows;
+ }
+
+ /**
+ * Sets the number of columns for the terminal window size.
+ *
+ * @param Integer $value
+ * @access public
+ */
+ function setWindowColumns($value)
+ {
+ $this->windowColumns = $value;
+ }
+
+ /**
+ * Sets the number of rows for the terminal window size.
+ *
+ * @param Integer $value
+ * @access public
+ */
+ function setWindowRows($value)
+ {
+ $this->windowRows = $value;
+ }
+
+ /**
+ * Sets the number of columns and rows for the terminal window size.
+ *
+ * @param Integer $columns
+ * @param Integer $rows
+ * @access public
+ */
+ function setWindowSize($columns = 80, $rows = 24)
+ {
+ $this->windowColumns = $columns;
+ $this->windowRows = $rows;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/System/SSH/Agent.php b/libs/phpseclib-0.3.7/System/SSH/Agent.php new file mode 100644 index 0000000..d5088ba --- /dev/null +++ b/libs/phpseclib-0.3.7/System/SSH/Agent.php @@ -0,0 +1,313 @@ +<?php
+/**
+ * Pure-PHP ssh-agent client.
+ *
+ * PHP versions 4 and 5
+ *
+ * Here are some examples of how to use this library:
+ * <code>
+ * <?php
+ * include 'System/SSH/Agent.php';
+ * include 'Net/SSH2.php';
+ *
+ * $agent = new System_SSH_Agent();
+ *
+ * $ssh = new Net_SSH2('www.domain.tld');
+ * if (!$ssh->login('username', $agent)) {
+ * exit('Login Failed');
+ * }
+ *
+ * echo $ssh->exec('pwd');
+ * echo $ssh->exec('ls -la');
+ * ?>
+ * </code>
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category System
+ * @package System_SSH_Agent
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMXIV Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ * @internal See http://api.libssh.org/rfc/PROTOCOL.agent
+ */
+
+/**#@+
+ * Message numbers
+ *
+ * @access private
+ */
+// to request SSH1 keys you have to use SSH_AGENTC_REQUEST_RSA_IDENTITIES (1)
+define('SYSTEM_SSH_AGENTC_REQUEST_IDENTITIES', 11);
+// this is the SSH2 response; the SSH1 response is SSH_AGENT_RSA_IDENTITIES_ANSWER (2).
+define('SYSTEM_SSH_AGENT_IDENTITIES_ANSWER', 12);
+define('SYSTEM_SSH_AGENT_FAILURE', 5);
+// the SSH1 request is SSH_AGENTC_RSA_CHALLENGE (3)
+define('SYSTEM_SSH_AGENTC_SIGN_REQUEST', 13);
+// the SSH1 response is SSH_AGENT_RSA_RESPONSE (4)
+define('SYSTEM_SSH_AGENT_SIGN_RESPONSE', 14);
+/**#@-*/
+
+/**
+ * Pure-PHP ssh-agent client identity object
+ *
+ * Instantiation should only be performed by System_SSH_Agent class.
+ * This could be thought of as implementing an interface that Crypt_RSA
+ * implements. ie. maybe a Net_SSH_Auth_PublicKey interface or something.
+ * The methods in this interface would be getPublicKey, setSignatureMode
+ * and sign since those are the methods phpseclib looks for to perform
+ * public key authentication.
+ *
+ * @package System_SSH_Agent
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access internal
+ */
+class System_SSH_Agent_Identity
+{
+ /**
+ * Key Object
+ *
+ * @var Crypt_RSA
+ * @access private
+ * @see System_SSH_Agent_Identity::getPublicKey()
+ */
+ var $key;
+
+ /**
+ * Key Blob
+ *
+ * @var String
+ * @access private
+ * @see System_SSH_Agent_Identity::sign()
+ */
+ var $key_blob;
+
+ /**
+ * Socket Resource
+ *
+ * @var Resource
+ * @access private
+ * @see System_SSH_Agent_Identity::sign()
+ */
+ var $fsock;
+
+ /**
+ * Default Constructor.
+ *
+ * @param Resource $fsock
+ * @return System_SSH_Agent_Identity
+ * @access private
+ */
+ function System_SSH_Agent_Identity($fsock)
+ {
+ $this->fsock = $fsock;
+ }
+
+ /**
+ * Set Public Key
+ *
+ * Called by System_SSH_Agent::requestIdentities()
+ *
+ * @param Crypt_RSA $key
+ * @access private
+ */
+ function setPublicKey($key)
+ {
+ $this->key = $key;
+ $this->key->setPublicKey();
+ }
+
+ /**
+ * Set Public Key
+ *
+ * Called by System_SSH_Agent::requestIdentities(). The key blob could be extracted from $this->key
+ * but this saves a small amount of computation.
+ *
+ * @param String $key_blob
+ * @access private
+ */
+ function setPublicKeyBlob($key_blob)
+ {
+ $this->key_blob = $key_blob;
+ }
+
+ /**
+ * Get Public Key
+ *
+ * Wrapper for $this->key->getPublicKey()
+ *
+ * @param Integer $format optional
+ * @return Mixed
+ * @access public
+ */
+ function getPublicKey($format = null)
+ {
+ return !isset($format) ? $this->key->getPublicKey() : $this->key->getPublicKey($format);
+ }
+
+ /**
+ * Set Signature Mode
+ *
+ * Doesn't do anything as ssh-agent doesn't let you pick and choose the signature mode. ie.
+ * ssh-agent's only supported mode is CRYPT_RSA_SIGNATURE_PKCS1
+ *
+ * @param Integer $mode
+ * @access public
+ */
+ function setSignatureMode($mode)
+ {
+ }
+
+ /**
+ * Create a signature
+ *
+ * See "2.6.2 Protocol 2 private key signature request"
+ *
+ * @param String $message
+ * @return String
+ * @access public
+ */
+ function sign($message)
+ {
+ // the last parameter (currently 0) is for flags and ssh-agent only defines one flag (for ssh-dss): SSH_AGENT_OLD_SIGNATURE
+ $packet = pack('CNa*Na*N', SYSTEM_SSH_AGENTC_SIGN_REQUEST, strlen($this->key_blob), $this->key_blob, strlen($message), $message, 0);
+ $packet = pack('Na*', strlen($packet), $packet);
+ if (strlen($packet) != fputs($this->fsock, $packet)) {
+ user_error('Connection closed during signing');
+ }
+
+ $length = current(unpack('N', fread($this->fsock, 4)));
+ $type = ord(fread($this->fsock, 1));
+ if ($type != SYSTEM_SSH_AGENT_SIGN_RESPONSE) {
+ user_error('Unable to retreive signature');
+ }
+
+ $signature_blob = fread($this->fsock, $length - 1);
+ // the only other signature format defined - ssh-dss - is the same length as ssh-rsa
+ // the + 12 is for the other various SSH added length fields
+ return substr($signature_blob, strlen('ssh-rsa') + 12);
+ }
+}
+
+/**
+ * Pure-PHP ssh-agent client identity factory
+ *
+ * requestIdentities() method pumps out System_SSH_Agent_Identity objects
+ *
+ * @package System_SSH_Agent
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @access internal
+ */
+class System_SSH_Agent
+{
+ /**
+ * Socket Resource
+ *
+ * @var Resource
+ * @access private
+ */
+ var $fsock;
+
+ /**
+ * Default Constructor
+ *
+ * @return System_SSH_Agent
+ * @access public
+ */
+ function System_SSH_Agent()
+ {
+ switch (true) {
+ case isset($_SERVER['SSH_AUTH_SOCK']):
+ $address = $_SERVER['SSH_AUTH_SOCK'];
+ break;
+ case isset($_ENV['SSH_AUTH_SOCK']):
+ $address = $_ENV['SSH_AUTH_SOCK'];
+ break;
+ default:
+ user_error('SSH_AUTH_SOCK not found');
+ return false;
+ }
+
+ $this->fsock = fsockopen('unix://' . $address, 0, $errno, $errstr);
+ if (!$this->fsock) {
+ user_error("Unable to connect to ssh-agent (Error $errno: $errstr)");
+ }
+ }
+
+ /**
+ * Request Identities
+ *
+ * See "2.5.2 Requesting a list of protocol 2 keys"
+ * Returns an array containing zero or more System_SSH_Agent_Identity objects
+ *
+ * @return Array
+ * @access public
+ */
+ function requestIdentities()
+ {
+ if (!$this->fsock) {
+ return array();
+ }
+
+ $packet = pack('NC', 1, SYSTEM_SSH_AGENTC_REQUEST_IDENTITIES);
+ if (strlen($packet) != fputs($this->fsock, $packet)) {
+ user_error('Connection closed while requesting identities');
+ }
+
+ $length = current(unpack('N', fread($this->fsock, 4)));
+ $type = ord(fread($this->fsock, 1));
+ if ($type != SYSTEM_SSH_AGENT_IDENTITIES_ANSWER) {
+ user_error('Unable to request identities');
+ }
+
+ $identities = array();
+ $keyCount = current(unpack('N', fread($this->fsock, 4)));
+ for ($i = 0; $i < $keyCount; $i++) {
+ $length = current(unpack('N', fread($this->fsock, 4)));
+ $key_blob = fread($this->fsock, $length);
+ $length = current(unpack('N', fread($this->fsock, 4)));
+ $key_comment = fread($this->fsock, $length);
+ $length = current(unpack('N', substr($key_blob, 0, 4)));
+ $key_type = substr($key_blob, 4, $length);
+ switch ($key_type) {
+ case 'ssh-rsa':
+ if (!class_exists('Crypt_RSA')) {
+ include_once 'Crypt/RSA.php';
+ }
+ $key = new Crypt_RSA();
+ $key->loadKey('ssh-rsa ' . base64_encode($key_blob) . ' ' . $key_comment);
+ break;
+ case 'ssh-dss':
+ // not currently supported
+ break;
+ }
+ // resources are passed by reference by default
+ if (isset($key)) {
+ $identity = new System_SSH_Agent_Identity($this->fsock);
+ $identity->setPublicKey($key);
+ $identity->setPublicKeyBlob($key_blob);
+ $identities[] = $identity;
+ unset($key);
+ }
+ }
+
+ return $identities;
+ }
+}
diff --git a/libs/phpseclib-0.3.7/System/SSH_Agent.php b/libs/phpseclib-0.3.7/System/SSH_Agent.php new file mode 100644 index 0000000..0784179 --- /dev/null +++ b/libs/phpseclib-0.3.7/System/SSH_Agent.php @@ -0,0 +1,39 @@ +<?php
+/**
+ * Pure-PHP ssh-agent client wrapper
+ *
+ * PHP versions 4 and 5
+ *
+ * Originally System_SSH_Agent was accessed as System/SSH_Agent.php instead of
+ * System/SSH/Agent.php. The problem with this is that PSR0 compatible autoloaders
+ * don't support that kind of directory layout hence the package being moved and
+ * this "alias" being created to maintain backwards compatibility.
+ *
+ * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category System
+ * @package System_SSH_Agent
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @copyright MMXIV Jim Wigginton
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @link http://phpseclib.sourceforge.net
+ * @internal See http://api.libssh.org/rfc/PROTOCOL.agent
+ */
+
+require_once 'SSH/Agent.php';
diff --git a/libs/phpseclib-0.3.7/openssl.cnf b/libs/phpseclib-0.3.7/openssl.cnf new file mode 100644 index 0000000..58a1261 --- /dev/null +++ b/libs/phpseclib-0.3.7/openssl.cnf @@ -0,0 +1,6 @@ +# minimalist openssl.cnf file for use with phpseclib
+
+HOME = .
+RANDFILE = $ENV::HOME/.rnd
+
+[ v3_ca ]
|
