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Fix bug "#3853 Blowfish implementation might be broken" by replacing the

library with phpseclib

I could not make PMA_blowfish_test.php work with the new library.
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1 parent 7b7abce commit 29b297f41f788b7abc18bf6808088416856c26cc @lem9 lem9 committed Apr 1, 2013
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1 ChangeLog
@@ -100,6 +100,7 @@ underscore
- bug #3840 When exporting to gzip format, the data is compressed 2 times
+ rfe #1319 Permit to create index when creating foreign key
- bug #3703 Incorrect updating of the list of users
+- bug #3853 Blowfish implementation might be broken (replace with phpseclib)
3.5.8.0 (not yet released)
- bug #3828 MariaDB reported as MySQL
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8 build.xml
@@ -47,7 +47,7 @@
<arg line="${source_comma_sep}
xml
codesize,design,naming,unusedcode
- --exclude test,build,tcpdf,php-gettext,bfShapeFiles,PMAStandard,blowfish.php
+ --exclude test,build,tcpdf,php-gettext,bfShapeFiles,PMAStandard,phpseclib
--reportfile '${basedir}/build/logs/pmd.xml'" />
</exec>
</target>
@@ -61,7 +61,7 @@
--exclude libraries/tcpdf
--exclude libraries/php-gettext
--exclude libraries/bfShapeFiles
- --exclude libraries/blowfish.php
+ --exclude libraries/phpseclib
${source}" />
</exec>
</target>
@@ -75,15 +75,15 @@
--exclude libraries/tcpdf
--exclude libraries/php-gettext
--exclude libraries/bfShapeFiles
- --exclude libraries/blowfish.php
+ --exclude libraries/phpseclib
${source}" />
</exec>
</target>
<target name="phpcs" description="Generate checkstyle.xml using PHP_CodeSniffer excluding test, tcpdf directories">
<exec executable="phpcs">
<arg line="
- --ignore=*/php-gettext/*,*/tcpdf/*,*/canvg/*,*/codemirror/*,*/openlayers/*,*/jquery/*,*/jqplot/*,*/build/*,*/bfShapeFiles/*,*/PMAStandard/*,libraries/blowfish.php
+ --ignore=*/php-gettext/*,*/tcpdf/*,*/canvg/*,*/codemirror/*,*/openlayers/*,*/jquery/*,*/jqplot/*,*/build/*,*/bfShapeFiles/*,*/PMAStandard/*,*/phpseclib/*
--report=checkstyle
--report-file='${basedir}/build/logs/checkstyle.xml'
--standard=PMAStandard
View
6 doc/credits.rst
@@ -191,7 +191,7 @@ Credits, in chronological order
* Mike Cochrane <mike\_at\_graftonhall.co.nz>
- * blowfish library from the Horde project
+ * blowfish library from the Horde project (withdrawn in release 4.0)
* Marcel Tschopp <ne0x\_at\_users.sourceforge.net>
@@ -338,6 +338,10 @@ Credits, in chronological order
* Automated testing
+* Jim Wigginton (phpseclib.sourceforge.net)
+
+ * phpseclib
+
And also to the following people who have contributed minor changes,
enhancements, bugfixes or support for a new language since version
2.1.0:
View
482 libraries/blowfish.php
@@ -1,482 +0,0 @@
-<?php
-/* vim: set expandtab sw=4 ts=4 sts=4: */
-/**
- * The Horde_Cipher_Blowfish:: class implements the Horde_Cipher interface
- * encryption data using the Blowfish algorithm.
- *
- * Copyright 2002-2009 The Horde Project (http://www.horde.org/)
- *
- * See the enclosed file COPYING for license information (LGPL). If you
- * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
- *
- * @author Mike Cochrane <mike@graftonhall.co.nz>
- * @package Horde_Cipher
- */
-class Horde_Cipher_blowfish
-{
- /**
- * Pi Array
- *
- * @var array
- */
- protected $p = array(
- 0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344,
- 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89,
- 0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C,
- 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917,
- 0x9216D5D9, 0x8979FB1B);
-
- /**
- * S Box (s1)
- *
- * @var array
- */
- protected $s1 = 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 (s2)
- *
- * @var array
- */
- protected $s2 = 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 (s3)
- *
- * @var array
- */
- protected $s3 = 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 (s4)
- *
- * @var array
- */
- protected $s4 = 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);
-
- /**
- * The number of rounds to do
- *
- * @var integer
- */
- protected $_rounds = 16;
-
- /**
- * Set the key to be used for en/decryption.
- *
- * @param string $key The key to use.
- *
- * @return bool
- */
- public function setKey($key)
- {
- $key = array_values(unpack('C*', $key));
- $keyLen = count($key);
- if ($keyLen == 0) {
- return false;
- }
-
- $keyPos = $keyXor = 0;
- for ($i = 0, $iMax = count($this->p); $i < $iMax; ++$i) {
- for ($t = 0; $t < 4; $t++) {
- $keyXor = ($keyXor << 8) | (($key[$keyPos]) & 0x0ff);
- if (++$keyPos == $keyLen) {
- $keyPos = 0;
- }
- }
- $this->p[$i] = $this->p[$i] ^ $keyXor;
- }
-
- $encZero = array('L' => 0, 'R' => 0);
- for ($i = 0; $i + 1 < $iMax; $i += 2) {
- $encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
- $this->p[$i] = $encZero['L'];
- $this->p[$i + 1] = $encZero['R'];
- }
-
- $iMax = count($this->s1);
- for ($i = 0; $i < $iMax; $i += 2) {
- $encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
- $this->s1[$i] = $encZero['L'];
- $this->s1[$i + 1] = $encZero['R'];
- }
-
- $iMax = count($this->s2);
- for ($i = 0; $i < $iMax; $i += 2) {
- $encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
- $this->s2[$i] = $encZero['L'];
- $this->s2[$i + 1] = $encZero['R'];
- }
-
- $iMax = count($this->s3);
- for ($i = 0; $i < $iMax; $i += 2) {
- $encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
- $this->s3[$i] = $encZero['L'];
- $this->s3[$i + 1] = $encZero['R'];
- }
-
- $iMax = count($this->s4);
- for ($i = 0; $i < $iMax; $i += 2) {
- $encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
- $this->s4[$i] = $encZero['L'];
- $this->s4[$i + 1] = $encZero['R'];
- }
- }
-
- /**
- * Encrypt a block of data.
- *
- * @param string $block The data to encrypt.
- * @param string $key The key to use.
- *
- * @return string The encrypted output.
- */
- public function encryptBlock($block, $key = null)
- {
- if (!is_null($key)) {
- $this->setKey($key);
- }
-
- list($L, $R) = array_values(unpack('N*', $block));
- $parts = $this->_encryptBlock($L, $R);
- return pack('NN', $parts['L'], $parts['R']);
- }
-
- /**
- * Encrypt left and right halves of a block of data.
- *
- * @param integer $L Left half of the data.
- * @param integer $R Right half of the data.
- *
- * @return array A hash, with keys 'L' and 'R', and the encrypted data as
- * the values.
- */
- protected function _encryptBlock($L, $R)
- {
- $L ^= $this->p[0];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[1];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[2];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[3];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[4];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[5];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[6];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[7];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[8];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[9];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[10];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[11];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[12];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[13];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[14];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[15];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[16];
- $R ^= $this->p[17];
-
- return array('L' => $R, 'R' => $L);
- }
-
- /**
- * Decrypt a block of data.
- *
- * @param string $block The data to decrypt.
- * @param string $key The key to use.
- *
- * @return string The decrypted output.
- */
- public function decryptBlock($block, $key = null)
- {
- if (!is_null($key)) {
- $this->setKey($key);
- }
-
- // change for phpMyAdmin
- $L = null;
- $R = null;
-
- $retarray = array_values(unpack('N*', $block));
- if (isset($retarray[0])) {
- $L = $retarray[0];
- }
- if (isset($retarray[1])) {
- $R = $retarray[1];
- }
- // end change for phpMyAdmin
-
- $L ^= $this->p[17];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[16];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[15];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[14];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[13];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[12];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[11];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[10];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[9];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[8];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[7];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[6];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[5];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[4];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[3];
- $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[2];
- $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[1];
-
- return pack("NN", $R ^ $this->p[0], $L);
- }
-}
-?>
View
612 libraries/phpseclib/Crypt/AES.php
@@ -0,0 +1,612 @@
+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * Pure-PHP implementation of AES.
+ *
+ * Uses mcrypt, if available, 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 160-bits and 160 bits will be the key length until {@link Crypt_Rijndael::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
+ * @version $Id: AES.php,v 1.7 2010/02/09 06:10:25 terrafrost Exp $
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**
+ * Include Crypt_Rijndael
+ */
+if (!class_exists('Crypt_Rijndael')) {
+ require_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', -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_AES_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_AES_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_AES_MODE_CFB', 3);
+/**
+ * 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', 4);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_AES::Crypt_AES()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_AES_MODE_INTERNAL', 1);
+/**
+ * Toggles the mcrypt implementation
+ */
+define('CRYPT_AES_MODE_MCRYPT', 2);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of AES.
+ *
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @version 0.1.0
+ * @access public
+ * @package Crypt_AES
+ */
+class Crypt_AES extends Crypt_Rijndael {
+ /**
+ * 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_AES::encrypt()
+ * @var String
+ * @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_AES::decrypt()
+ * @var String
+ * @access private
+ */
+ var $demcrypt;
+
+ /**
+ * mcrypt resource for CFB mode
+ *
+ * @see Crypt_AES::encrypt()
+ * @see Crypt_AES::decrypt()
+ * @var String
+ * @access private
+ */
+ var $ecb;
+
+ /**
+ * Default Constructor.
+ *
+ * Determines whether or not the mcrypt extension should be used. $mode should only, at present, be
+ * CRYPT_AES_MODE_ECB or CRYPT_AES_MODE_CBC. If not explictly set, CRYPT_AES_MODE_CBC will be used.
+ *
+ * @param optional Integer $mode
+ * @return Crypt_AES
+ * @access public
+ */
+ function Crypt_AES($mode = CRYPT_AES_MODE_CBC)
+ {
+ if ( !defined('CRYPT_AES_MODE') ) {
+ switch (true) {
+ case extension_loaded('mcrypt') && in_array('rijndael-128', mcrypt_list_algorithms()):
+ define('CRYPT_AES_MODE', CRYPT_AES_MODE_MCRYPT);
+ break;
+ default:
+ define('CRYPT_AES_MODE', CRYPT_AES_MODE_INTERNAL);
+ }
+ }
+
+ switch ( CRYPT_AES_MODE ) {
+ case CRYPT_AES_MODE_MCRYPT:
+ switch ($mode) {
+ case CRYPT_AES_MODE_ECB:
+ $this->paddable = true;
+ $this->mode = MCRYPT_MODE_ECB;
+ break;
+ case CRYPT_AES_MODE_CTR:
+ // ctr doesn't have a constant associated with it even though it appears to be fairly widely
+ // supported. in lieu of knowing just how widely supported it is, i've, for now, opted not to
+ // include a compatibility layer. the layer has been implemented but, for now, is commented out.
+ $this->mode = 'ctr';
+ //$this->mode = in_array('ctr', mcrypt_list_modes()) ? 'ctr' : CRYPT_AES_MODE_CTR;
+ break;
+ case CRYPT_AES_MODE_CFB:
+ $this->mode = 'ncfb';
+ break;
+ case CRYPT_AES_MODE_OFB:
+ $this->mode = MCRYPT_MODE_NOFB;
+ break;
+ case CRYPT_AES_MODE_CBC:
+ default:
+ $this->paddable = true;
+ $this->mode = MCRYPT_MODE_CBC;
+ }
+
+ $this->debuffer = $this->enbuffer = '';
+
+ break;
+ default:
+ switch ($mode) {
+ case CRYPT_AES_MODE_ECB:
+ $this->paddable = true;
+ $this->mode = CRYPT_RIJNDAEL_MODE_ECB;
+ break;
+ case CRYPT_AES_MODE_CTR:
+ $this->mode = CRYPT_RIJNDAEL_MODE_CTR;
+ break;
+ case CRYPT_AES_MODE_CFB:
+ $this->mode = CRYPT_RIJNDAEL_MODE_CFB;
+ break;
+ case CRYPT_AES_MODE_OFB:
+ $this->mode = CRYPT_RIJNDAEL_MODE_OFB;
+ break;
+ case CRYPT_AES_MODE_CBC:
+ default:
+ $this->paddable = true;
+ $this->mode = CRYPT_RIJNDAEL_MODE_CBC;
+ }
+ }
+
+ if (CRYPT_AES_MODE == CRYPT_AES_MODE_INTERNAL) {
+ parent::Crypt_Rijndael($this->mode);
+ }
+ }
+
+ /**
+ * Dummy function
+ *
+ * Since Crypt_AES extends Crypt_Rijndael, this function is, technically, available, but it doesn't do anything.
+ *
+ * @access public
+ * @param Integer $length
+ */
+ function setBlockLength($length)
+ {
+ return;
+ }
+
+
+ /**
+ * Sets the initialization vector. (optional)
+ *
+ * SetIV is not required when CRYPT_RIJNDAEL_MODE_ECB is being used. If not explictly set, it'll be assumed
+ * to be all zero's.
+ *
+ * @access public
+ * @param String $iv
+ */
+ function setIV($iv)
+ {
+ parent::setIV($iv);
+ if ( CRYPT_AES_MODE == CRYPT_AES_MODE_MCRYPT ) {
+ $this->changed = true;
+ }
+ }
+
+ /**
+ * Encrypts a message.
+ *
+ * $plaintext will be padded with up to 16 additional bytes. Other AES implementations may or may not pad in the
+ * same manner. Other common approaches to padding and the reasons why it's necessary are discussed in the following
+ * URL:
+ *
+ * {@link http://www.di-mgt.com.au/cryptopad.html http://www.di-mgt.com.au/cryptopad.html}
+ *
+ * An alternative to padding is to, separately, send the length of the file. This is what SSH, in fact, does.
+ * strlen($plaintext) will still need to be a multiple of 16, however, arbitrary values can be added to make it that
+ * length.
+ *
+ * @see Crypt_AES::decrypt()
+ * @access public
+ * @param String $plaintext
+ */
+ function encrypt($plaintext)
+ {
+ if ( CRYPT_AES_MODE == CRYPT_AES_MODE_MCRYPT ) {
+ $changed = $this->changed;
+ $this->_mcryptSetup();
+ /*
+ if ($this->mode == CRYPT_AES_MODE_CTR) {
+ $iv = $this->encryptIV;
+ $xor = mcrypt_generic($this->enmcrypt, $this->_generate_xor(strlen($plaintext), $iv));
+ $ciphertext = $plaintext ^ $xor;
+ if ($this->continuousBuffer) {
+ $this->encryptIV = $iv;
+ }
+ return $ciphertext;
+ }
+ */
+ // re: http://phpseclib.sourceforge.net/cfb-demo.phps
+ // using mcrypt's default handing of CFB the above would output two different things. using phpseclib's
+ // rewritten CFB implementation the above outputs the same thing twice.
+ if ($this->mode == 'ncfb') {
+ if ($changed) {
+ $this->ecb = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, '');
+ mcrypt_generic_init($this->ecb, $this->key, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
+ }
+
+ if (strlen($this->enbuffer)) {
+ $ciphertext = $plaintext ^ substr($this->encryptIV, strlen($this->enbuffer));
+ $this->enbuffer.= $ciphertext;
+ if (strlen($this->enbuffer) == 16) {
+ $this->encryptIV = $this->enbuffer;
+ $this->enbuffer = '';
+ mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV);
+ }
+ $plaintext = substr($plaintext, strlen($ciphertext));
+ } else {
+ $ciphertext = '';
+ }
+
+ $last_pos = strlen($plaintext) & 0xFFFFFFF0;
+ $ciphertext.= $last_pos ? mcrypt_generic($this->enmcrypt, substr($plaintext, 0, $last_pos)) : '';
+
+ if (strlen($plaintext) & 0xF) {
+ if (strlen($ciphertext)) {
+ $this->encryptIV = substr($ciphertext, -16);
+ }
+ $this->encryptIV = mcrypt_generic($this->ecb, $this->encryptIV);
+ $this->enbuffer = substr($plaintext, $last_pos) ^ $this->encryptIV;
+ $ciphertext.= $this->enbuffer;
+ }
+
+ 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->iv);
+ }
+
+ return $ciphertext;
+ }
+
+ return parent::encrypt($plaintext);
+ }
+
+ /**
+ * Decrypts a message.
+ *
+ * If strlen($ciphertext) is not a multiple of 16, null bytes will be added to the end of the string until it is.
+ *
+ * @see Crypt_AES::encrypt()
+ * @access public
+ * @param String $ciphertext
+ */
+ function decrypt($ciphertext)
+ {
+ if ( CRYPT_AES_MODE == CRYPT_AES_MODE_MCRYPT ) {
+ $changed = $this->changed;
+ $this->_mcryptSetup();
+ /*
+ if ($this->mode == CRYPT_AES_MODE_CTR) {
+ $iv = $this->decryptIV;
+ $xor = mcrypt_generic($this->enmcrypt, $this->_generate_xor(strlen($ciphertext), $iv));
+ $plaintext = $ciphertext ^ $xor;
+ if ($this->continuousBuffer) {
+ $this->decryptIV = $iv;
+ }
+ return $plaintext;
+ }
+ */
+ if ($this->mode == 'ncfb') {
+ if ($changed) {
+ $this->ecb = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, '');
+ mcrypt_generic_init($this->ecb, $this->key, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
+ }
+
+ if (strlen($this->debuffer)) {
+ $plaintext = $ciphertext ^ substr($this->decryptIV, strlen($this->debuffer));
+
+ $this->debuffer.= substr($ciphertext, 0, strlen($plaintext));
+ if (strlen($this->debuffer) == 16) {
+ $this->decryptIV = $this->debuffer;
+ $this->debuffer = '';
+ mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV);
+ }
+ $ciphertext = substr($ciphertext, strlen($plaintext));
+ } else {
+ $plaintext = '';
+ }
+
+ $last_pos = strlen($ciphertext) & 0xFFFFFFF0;
+ $plaintext.= $last_pos ? mdecrypt_generic($this->demcrypt, substr($ciphertext, 0, $last_pos)) : '';
+
+ if (strlen($ciphertext) & 0xF) {
+ if (strlen($plaintext)) {
+ $this->decryptIV = substr($ciphertext, $last_pos - 16, 16);
+ }
+ $this->decryptIV = mcrypt_generic($this->ecb, $this->decryptIV);
+ $this->debuffer = substr($ciphertext, $last_pos);
+ $plaintext.= $this->debuffer ^ $this->decryptIV;
+ }
+
+ return $plaintext;
+ }
+
+ if ($this->paddable) {
+ // we pad with chr(0) since that's what mcrypt_generic does. to quote from http://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) + 15) & 0xFFFFFFF0, chr(0));
+ }
+
+ $plaintext = mdecrypt_generic($this->demcrypt, $ciphertext);
+
+ if (!$this->continuousBuffer) {
+ mcrypt_generic_init($this->demcrypt, $this->key, $this->iv);
+ }
+
+ return $this->paddable ? $this->_unpad($plaintext) : $plaintext;
+ }
+
+ return parent::decrypt($ciphertext);
+ }
+
+ /**
+ * Setup mcrypt
+ *
+ * Validates all the variables.
+ *
+ * @access private
+ */
+ function _mcryptSetup()
+ {
+ if (!$this->changed) {
+ return;
+ }
+
+ if (!$this->explicit_key_length) {
+ // this just copied from Crypt_Rijndael::_setup()
+ $length = strlen($this->key) >> 2;
+ if ($length > 8) {
+ $length = 8;
+ } else if ($length < 4) {
+ $length = 4;
+ }
+ $this->Nk = $length;
+ $this->key_size = $length << 2;
+ }
+
+ switch ($this->Nk) {
+ case 4: // 128
+ $this->key_size = 16;
+ break;
+ case 5: // 160
+ case 6: // 192
+ $this->key_size = 24;
+ break;
+ case 7: // 224
+ case 8: // 256
+ $this->key_size = 32;
+ }
+
+ $this->key = str_pad(substr($this->key, 0, $this->key_size), $this->key_size, chr(0));
+ $this->encryptIV = $this->decryptIV = $this->iv = str_pad(substr($this->iv, 0, 16), 16, chr(0));
+
+ if (!isset($this->enmcrypt)) {
+ $mode = $this->mode;
+ //$mode = $this->mode == CRYPT_AES_MODE_CTR ? MCRYPT_MODE_ECB : $this->mode;
+
+ $this->demcrypt = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', $mode, '');
+ $this->enmcrypt = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', $mode, '');
+ } // else should mcrypt_generic_deinit be called?
+
+ mcrypt_generic_init($this->demcrypt, $this->key, $this->iv);
+ mcrypt_generic_init($this->enmcrypt, $this->key, $this->iv);
+
+ $this->changed = false;
+ }
+
+ /**
+ * Encrypts a block
+ *
+ * Optimized over Crypt_Rijndael's implementation by means of loop unrolling.
+ *
+ * @see Crypt_Rijndael::_encryptBlock()
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _encryptBlock($in)
+ {
+ $state = unpack('N*word', $in);
+
+ $Nr = $this->Nr;
+ $w = $this->w;
+ $t0 = $this->t0;
+ $t1 = $this->t1;
+ $t2 = $this->t2;
+ $t3 = $this->t3;
+
+ // addRoundKey and reindex $state
+ $state = array(
+ $state['word1'] ^ $w[0][0],
+ $state['word2'] ^ $w[0][1],
+ $state['word3'] ^ $w[0][2],
+ $state['word4'] ^ $w[0][3]
+ );
+
+ // shiftRows + subWord + mixColumns + addRoundKey
+ // we could loop unroll this and use if statements to do more rounds as necessary, but, in my tests, that yields
+ // only a marginal improvement. since that also, imho, hinders the readability of the code, i've opted not to do it.
+ for ($round = 1; $round < $this->Nr; $round++) {
+ $state = array(
+ $t0[$state[0] & 0xFF000000] ^ $t1[$state[1] & 0x00FF0000] ^ $t2[$state[2] & 0x0000FF00] ^ $t3[$state[3] & 0x000000FF] ^ $w[$round][0],
+ $t0[$state[1] & 0xFF000000] ^ $t1[$state[2] & 0x00FF0000] ^ $t2[$state[3] & 0x0000FF00] ^ $t3[$state[0] & 0x000000FF] ^ $w[$round][1],
+ $t0[$state[2] & 0xFF000000] ^ $t1[$state[3] & 0x00FF0000] ^ $t2[$state[0] & 0x0000FF00] ^ $t3[$state[1] & 0x000000FF] ^ $w[$round][2],
+ $t0[$state[3] & 0xFF000000] ^ $t1[$state[0] & 0x00FF0000] ^ $t2[$state[1] & 0x0000FF00] ^ $t3[$state[2] & 0x000000FF] ^ $w[$round][3]
+ );
+
+ }
+
+ // subWord
+ $state = array(
+ $this->_subWord($state[0]),
+ $this->_subWord($state[1]),
+ $this->_subWord($state[2]),
+ $this->_subWord($state[3])
+ );
+
+ // shiftRows + addRoundKey
+ $state = array(
+ ($state[0] & 0xFF000000) ^ ($state[1] & 0x00FF0000) ^ ($state[2] & 0x0000FF00) ^ ($state[3] & 0x000000FF) ^ $this->w[$this->Nr][0],
+ ($state[1] & 0xFF000000) ^ ($state[2] & 0x00FF0000) ^ ($state[3] & 0x0000FF00) ^ ($state[0] & 0x000000FF) ^ $this->w[$this->Nr][1],
+ ($state[2] & 0xFF000000) ^ ($state[3] & 0x00FF0000) ^ ($state[0] & 0x0000FF00) ^ ($state[1] & 0x000000FF) ^ $this->w[$this->Nr][2],
+ ($state[3] & 0xFF000000) ^ ($state[0] & 0x00FF0000) ^ ($state[1] & 0x0000FF00) ^ ($state[2] & 0x000000FF) ^ $this->w[$this->Nr][3]
+ );
+
+ return pack('N*', $state[0], $state[1], $state[2], $state[3]);
+ }
+
+ /**
+ * Decrypts a block
+ *
+ * Optimized over Crypt_Rijndael's implementation by means of loop unrolling.
+ *
+ * @see Crypt_Rijndael::_decryptBlock()
+ * @access private
+ * @param String $in
+ * @return String
+ */
+ function _decryptBlock($in)
+ {
+ $state = unpack('N*word', $in);
+
+ $Nr = $this->Nr;
+ $dw = $this->dw;
+ $dt0 = $this->dt0;
+ $dt1 = $this->dt1;
+ $dt2 = $this->dt2;
+ $dt3 = $this->dt3;
+
+ // addRoundKey and reindex $state
+ $state = array(
+ $state['word1'] ^ $dw[$this->Nr][0],
+ $state['word2'] ^ $dw[$this->Nr][1],
+ $state['word3'] ^ $dw[$this->Nr][2],
+ $state['word4'] ^ $dw[$this->Nr][3]
+ );
+
+
+ // invShiftRows + invSubBytes + invMixColumns + addRoundKey
+ for ($round = $this->Nr - 1; $round > 0; $round--) {
+ $state = array(
+ $dt0[$state[0] & 0xFF000000] ^ $dt1[$state[3] & 0x00FF0000] ^ $dt2[$state[2] & 0x0000FF00] ^ $dt3[$state[1] & 0x000000FF] ^ $dw[$round][0],
+ $dt0[$state[1] & 0xFF000000] ^ $dt1[$state[0] & 0x00FF0000] ^ $dt2[$state[3] & 0x0000FF00] ^ $dt3[$state[2] & 0x000000FF] ^ $dw[$round][1],
+ $dt0[$state[2] & 0xFF000000] ^ $dt1[$state[1] & 0x00FF0000] ^ $dt2[$state[0] & 0x0000FF00] ^ $dt3[$state[3] & 0x000000FF] ^ $dw[$round][2],
+ $dt0[$state[3] & 0xFF000000] ^ $dt1[$state[2] & 0x00FF0000] ^ $dt2[$state[1] & 0x0000FF00] ^ $dt3[$state[0] & 0x000000FF] ^ $dw[$round][3]
+ );
+ }
+
+ // invShiftRows + invSubWord + addRoundKey
+ $state = array(
+ $this->_invSubWord(($state[0] & 0xFF000000) ^ ($state[3] & 0x00FF0000) ^ ($state[2] & 0x0000FF00) ^ ($state[1] & 0x000000FF)) ^ $dw[0][0],
+ $this->_invSubWord(($state[1] & 0xFF000000) ^ ($state[0] & 0x00FF0000) ^ ($state[3] & 0x0000FF00) ^ ($state[2] & 0x000000FF)) ^ $dw[0][1],
+ $this->_invSubWord(($state[2] & 0xFF000000) ^ ($state[1] & 0x00FF0000) ^ ($state[0] & 0x0000FF00) ^ ($state[3] & 0x000000FF)) ^ $dw[0][2],
+ $this->_invSubWord(($state[3] & 0xFF000000) ^ ($state[2] & 0x00FF0000) ^ ($state[1] & 0x0000FF00) ^ ($state[0] & 0x000000FF)) ^ $dw[0][3]
+ );
+
+ return pack('N*', $state[0], $state[1], $state[2], $state[3]);
+ }
+}
+
+// vim: ts=4:sw=4:et:
+// vim6: fdl=1:
+?>
View
1,479 libraries/phpseclib/Crypt/Rijndael.php
@@ -0,0 +1,1479 @@
+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * Pure-PHP implementation of Rijndael.
+ *
+ * Does not use mcrypt, even when available, for reasons that are explained below.
+ *
+ * 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 160-bits and 160 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.
+ *
+ * {@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
+ * @version $Id: Rijndael.php,v 1.12 2010/02/09 06:10:26 terrafrost Exp $
+ * @link http://phpseclib.sourceforge.net
+ */
+
+/**#@+
+ * @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', -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_RIJNDAEL_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_RIJNDAEL_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_RIJNDAEL_MODE_CFB', 3);
+/**
+ * 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', 4);
+/**#@-*/
+
+/**#@+
+ * @access private
+ * @see Crypt_Rijndael::Crypt_Rijndael()
+ */
+/**
+ * Toggles the internal implementation
+ */
+define('CRYPT_RIJNDAEL_MODE_INTERNAL', 1);
+/**
+ * Toggles the mcrypt implementation
+ */
+define('CRYPT_RIJNDAEL_MODE_MCRYPT', 2);
+/**#@-*/
+
+/**
+ * Pure-PHP implementation of Rijndael.
+ *
+ * @author Jim Wigginton <terrafrost@php.net>
+ * @version 0.1.0
+ * @access public
+ * @package Crypt_Rijndael
+ */
+class Crypt_Rijndael {
+ /**
+ * The Encryption Mode
+ *
+ * @see Crypt_Rijndael::Crypt_Rijndael()
+ * @var Integer
+ * @access private
+ */
+ var $mode;
+
+ /**
+ * The Key
+ *
+ * @see Crypt_Rijndael::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_Rijndael::setIV()
+ * @var String
+ * @access private
+ */
+ var $iv = '';
+
+ /**
+ * A "sliding" Initialization Vector
+ *
+ * @see Crypt_Rijndael::enableContinuousBuffer()
+ * @var String
+ * @access private
+ */
+ var $encryptIV = '';
+
+ /**
+ * A "sliding" Initialization Vector
+ *
+ * @see Crypt_Rijndael::enableContinuousBuffer()
+ * @var String
+ * @access private
+ */
+ var $decryptIV = '';
+
+ /**
+ * Continuous Buffer status
+ *
+ * @see Crypt_Rijndael::enableContinuousBuffer()
+ * @var Boolean
+ * @access private
+ */
+ var $continuousBuffer = false;
+
+ /**
+ * Padding status
+ *
+ * @see Crypt_Rijndael::enablePadding()
+ * @var Boolean
+ * @access private
+ */
+ var $padding = true;
+
+ /**
+ * Does the key schedule need to be (re)calculated?
+ *
+ * @see setKey()
+ * @see setBlockLength()
+ * @see setKeyLength()
+ * @var Boolean
+ * @access private
+ */
+ var $changed = true;
+
+ /**
+ * 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
+ *
+ * @see setBlockLength()
+ * @var Integer
+ * @access private
+ * @internal The max value is 32, the min value is 16. All valid values are multiples of 4. Exists in conjunction with
+ * $Nb because we need this value and not $Nb to pad strings appropriately.
+ */
+ var $block_size = 16;
+
+ /**
+ * 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 $key_size
+ * 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;
+
+ /**
+ * Precomputed mixColumns table
+ *
+ * @see Crypt_Rijndael()
+ * @var Array
+ * @access private
+ */
+ var $t0;
+
+ /**
+ * Precomputed mixColumns table
+ *
+ * @see Crypt_Rijndael()
+ * @var Array
+ * @access private
+ */
+ var $t1;
+
+ /**
+ * Precomputed mixColumns table
+ *
+ * @see Crypt_Rijndael()
+ * @var Array
+ * @access private
+ */
+ var $t2;
+
+ /**
+ * Precomputed mixColumns table
+ *
+ * @see Crypt_Rijndael()
+ * @var Array
+ * @access private
+ */
+ var $t3;
+
+ /**
+ * Precomputed invMixColumns table
+ *
+ * @see Crypt_Rijndael()
+ * @var Array
+ * @access private
+ */
+ var $dt0;
+
+ /**
+ * Precomputed invMixColumns table
+ *
+ * @see Crypt_Rijndael()
+ * @var Array
+ * @access private
+ */
+ var $dt1;
+
+ /**
+ * Precomputed invMixColumns table
+ *
+ * @see Crypt_Rijndael()
+ * @var Array
+ * @access private
+ */
+ var $dt2;
+
+ /**
+ * Precomputed invMixColumns table
+ *
+ * @see Crypt_Rijndael()
+ * @var Array
+ * @access private
+ */
+ var $dt3;
+
+ /**
+ * Is the mode one that is paddable?
+ *
+ * @see Crypt_Rijndael::Crypt_Rijndael()
+ * @var Boolean
+ * @access private
+ */
+ var $paddable = false;
+
+ /**
+ * Encryption buffer for CTR, OFB and CFB modes
+ *
+ * @see Crypt_Rijndael::encrypt()
+ * @var String
+ * @access private
+ */
+ var $enbuffer = array('encrypted' => '', 'xor' => '');
+
+ /**
+ * Decryption buffer for CTR, OFB and CFB modes
+ *
+ * @see Crypt_Rijndael::decrypt()
+ * @var String
+ * @access private
+ */
+ var $debuffer = array('ciphertext' => '');
+
+ /**
+ * Default Constructor.
+ *
+ * Determines whether or not the mcrypt extension should be used. $mode should only, at present, be
+ * CRYPT_RIJNDAEL_MODE_ECB or CRYPT_RIJNDAEL_MODE_CBC. If not explictly set, CRYPT_RIJNDAEL_MODE_CBC will be used.
+ *
+ * @param optional Integer $mode
+ * @return Crypt_Rijndael
+ * @access public
+ */
+ function Crypt_Rijndael($mode = CRYPT_RIJNDAEL_MODE_CBC)
+ {
+ switch ($mode) {
+ case CRYPT_RIJNDAEL_MODE_ECB:
+ case CRYPT_RIJNDAEL_MODE_CBC:
+ $this->paddable = true;
+ $this->mode = $mode;
+ break;
+ case CRYPT_RIJNDAEL_MODE_CTR:
+ case CRYPT_RIJNDAEL_MODE_CFB:
+ case CRYPT_RIJNDAEL_MODE_OFB:
+ $this->mode = $mode;
+ break;
+ default:
+ $this->paddable = true;
+ $this->mode = CRYPT_RIJNDAEL_MODE_CBC;
+ }
+
+ $t3 = &$this->t3;
+ $t2 = &$this->t2;
+ $t1 = &$this->t1;
+ $t0 = &$this->t0;
+
+ $dt3 = &$this->dt3;
+ $dt2 = &$this->dt2;
+ $dt1 = &$this->dt1;
+ $dt0 = &$this->dt0;
+
+ // 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.
+ $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
+ );
+
+ $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
+ );
+
+ for ($i = 0; $i < 256; $i++) {
+ $t2[$i << 8] = (($t3[$i] << 8) & 0xFFFFFF00) | (($t3[$i] >> 24) & 0x000000FF);
+ $t1[$i << 16] = (($t3[$i] << 16) & 0xFFFF0000) | (($t3[$i] >> 16) & 0x0000FFFF);
+ $t0[$i << 24] = (($t3[$i] << 24) & 0xFF000000) | (($t3[$i] >> 8) & 0x00FFFFFF);
+
+ $dt2[$i << 8] = (($this->dt3[$i] << 8) & 0xFFFFFF00) | (($dt3[$i] >> 24) & 0x000000FF);
+ $dt1[$i << 16] = (($this->dt3[$i] << 16) & 0xFFFF0000) | (($dt3[$i] >> 16) & 0x0000FFFF);
+ $dt0[$i << 24] = (($this->dt3[$i] << 24) & 0xFF000000) | (($dt3[$i] >> 8) & 0x00FFFFFF);
+ }
+ }
+
+ /**
+ * 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.
+ *
+ * @access public
+ * @param String $key
+ */
+ function setKey($key)
+ {
+ $this->key = $key;
+ $this->changed = true;
+ }
+
+ /**
+ * Sets the initialization vector. (optional)
+ *
+ * SetIV is not required when CRYPT_RIJNDAEL_MODE_ECB is being used. If not explictly set, it'll be assumed
+ * to be all zero's.
+ *
+ * @access public
+ * @param String $iv
+ */
+ function setIV($iv)
+ {
+ $this->encryptIV = $this->decryptIV = $this->iv = str_pad(substr($iv, 0, $this->block_size), $this->block_size, chr(0));
+ }
+
+ /**
+ * 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 then 128 and invalid, it will be rounded down to the closest valid amount.
+ *
+ * @access public
+ * @param Integer $length
+ */
+ function setKeyLength($length)
+ {
+ $length >>= 5;
+ if ($length > 8) {
+ $length = 8;
+ } else if ($length < 4) {
+ $length = 4;
+ }
+ $this->Nk = $length;
+ $this->key_size = $length << 2;
+
+ $this->explicit_key_length = true;
+ $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}:
+ * $hash, $salt, $count
+ * Set $dkLen by calling setKeyLength()
+ *
+ * @param String $password
+ * @param optional String $method
+ * @access public
+ */
+ function setPassword($password, $method = 'pbkdf2')
+ {
+ $key = '';
+
+ switch ($method) {
+ default: // 'pbkdf2'
+ list(, , $hash, $salt, $count) = func_get_args();
+ if (!isset($hash)) {
+ $hash = 'sha1';
+ }
+ // WPA and WPA use the SSID as the salt
+ if (!isset($salt)) {
+ $salt = 'phpseclib/salt';
+ }
+ // RFC2898#section-4.2 uses 1,000 iterations by default
+ // WPA and WPA2 use 4,096.
+ if (!isset($count)) {
+ $count = 1000;
+ }
+
+ if (!class_exists('Crypt_Hash')) {
+ require_once('Crypt/Hash.php');
+ }
+
+ $i = 1;
+ while (strlen($key) < $this->key_size) { // $dkLen == $this->key_size
+ //$dk.= $this->_pbkdf($password, $salt, $count, $i++);
+ $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;
+ }
+ }
+
+ $this->setKey(substr($key, 0, $this->key_size));
+ }
+
+ /**
+ * 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 then 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;
+ }
+
+ /**
+ * 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_Rijndael::decrypt()
+ * @see Crypt_Rijndael::encrypt()
+ * @access public
+ * @param Integer $length
+ * @param String $iv
+ */
+ function _generate_xor($length, &$iv)
+ {
+ $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;
+ }
+
+ /**
+ * Encrypts a message.
+ *
+ * $plaintext will be padded with additional bytes such that it's length is a multiple of the block size. Other Rjindael
+ * implementations may or may not pad in the same manner. Other common approaches to padding and the reasons why it's
+ * necessary are discussed in the following
+ * URL:
+ *
+ * {@link http://www.di-mgt.com.au/cryptopad.html http://www.di-mgt.com.au/cryptopad.html}
+ *
+ * An alternative to padding is to, separately, send the length of the file. This is what SSH, in fact, does.
+ * strlen($plaintext) will still need to be a multiple of 8, however, arbitrary values can be added to make it that
+ * length.
+ *
+ * @see Crypt_Rijndael::decrypt()
+ * @access public
+ * @param String $plaintext
+ */
+ function encrypt($plaintext)
+ {
+ $this->_setup();
+ if ($this->paddable) {
+ $plaintext = $this->_pad($plaintext);
+ }
+
+ $block_size = $this->block_size;
+ $buffer = &$this->enbuffer;
+ $continuousBuffer = $this->continuousBuffer;
+ $ciphertext = '';
+ switch ($this->mode) {
+ case CRYPT_RIJNDAEL_MODE_ECB:
+ for ($i = 0; $i < strlen($plaintext); $i+=$block_size) {
+ $ciphertext.= $this->_encryptBlock(substr($plaintext, $i, $block_size));
+ }
+ break;
+ case CRYPT_RIJNDAEL_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_RIJNDAEL_MODE_CTR:
+ $xor = $this->encryptIV;
+ if (!empty($buffer['encrypted'])) {
+ for ($i = 0; $i < strlen($plaintext); $i+=$block_size) {
+ $block = substr($plaintext, $i, $block_size);
+ $buffer['encrypted'].= $this->_encryptBlock($this->_generate_xor($block_size, $xor));
+ $key = $this->_string_shift($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->_generate_xor($block_size, $xor));
+ $ciphertext.= $block ^ $key;
+ }
+ }
+ if ($this->continuousBuffer) {
+ $this->encryptIV = $xor;
+ if ($start = strlen($plaintext) % $block_size) {
+ $buffer['encrypted'] = substr($key, $start) . $buffer['encrypted'];
+ }
+ }
+ break;
+ case CRYPT_RIJNDAEL_MODE_CFB:
+ if (!empty($buffer['xor'])) {
+ $ciphertext = $plaintext ^ $buffer['xor'];
+ $iv = $buffer['encrypted'] . $ciphertext;
+ $start = strlen($ciphertext);
+ $buffer['encrypted'].= $ciphertext;
+ $buffer['xor'] = substr($buffer['xor'], strlen($ciphertext));
+ } else {
+ $ciphertext = '';
+ $iv = $this->encryptIV;
+ $start = 0;
+ }
+
+ for ($i = $start; $i < strlen($plaintext); $i+=$block_size) {
+ $block = substr($plaintext, $i, $block_size);
+ $xor = $this->_encryptBlock($iv);
+ $iv = $block ^ $xor;
+ if ($continuousBuffer && strlen($iv) != $block_size) {
+ $buffer = array(
+ 'encrypted' => $iv,
+ 'xor' => substr($xor, strlen($iv))
+ );
+ }
+ $ciphertext.= $iv;
+ }
+
+ if ($this->continuousBuffer) {
+ $this->encryptIV = $iv;
+ }
+ break;
+ case CRYPT_RIJNDAEL_MODE_OFB:
+ $xor = $this->encryptIV;
+ if (strlen($buffer)) {
+ for ($i = 0; $i < strlen($plaintext); $i+=$block_size) {
+ $xor = $this->_encryptBlock($xor);
+ $buffer.= $xor;
+ $key = $this->_string_shift($buffer, $block_size);
+ $ciphertext.= substr($plaintext, $i, $block_size) ^ $key;
+ }
+ } else {
+ for ($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) {
+ $buffer = substr($key, $start) . $buffer;
+ }
+ }
+ }
+
+ 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.
+ *
+ * @see Crypt_Rijndael::encrypt()
+ * @access public
+ * @param String $ciphertext
+ */
+ function decrypt($ciphertext)
+ {
+ $this->_setup();
+
+ if ($this->paddable) {
+ // we pad with chr(0) since that's what mcrypt_generic does. to quote from http://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($ciphertext) + ($this->block_size - strlen($ciphertext) % $this->block_size) % $this->block_size, chr(0));
+ }
+
+ $block_size = $this->block_size;
+ $buffer = &$this->debuffer;
+ $continuousBuffer = $this->continuousBuffer;
+ $plaintext = '';
+ switch ($this->mode) {
+ case CRYPT_RIJNDAEL_MODE_ECB:
+ for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) {
+ $plaintext.= $this->_decryptBlock(substr($ciphertext, $i, $block_size));
+ }
+ break;
+ case CRYPT_RIJNDAEL_MODE_CBC:
+ $xor = $this->decryptIV;