See Release Notes
Long Term Support Release
1 <?php 2 /** 3 * Copyright 2005-2008 Matthew Fonda <mfonda@php.net> 4 * Copyright 2012-2017 Horde LLC (http://www.horde.org/) 5 * 6 * See the enclosed file LICENSE for license information (LGPL). If you 7 * did not receive this file, see http://www.horde.org/licenses/lgpl21. 8 * 9 * @author Matthew Fonda <mfonda@php.net> 10 * @author Michael Slusarz <slusarz@horde.org> 11 * @category Horde 12 * @license http://www.horde.org/licenses/lgpl21 LGPL 2.1 13 * @package Crypt_Blowfish 14 */ 15 16 /** 17 * Base subclass for the PHP driver. 18 * 19 * @author Matthew Fonda <mfonda@php.net> 20 * @author Michael Slusarz <slusarz@horde.org> 21 * @category Horde 22 * @copyright 2005-2008 Matthew Fonda 23 * @copyright 2012-2017 Horde LLC 24 * @license http://www.horde.org/licenses/lgpl21 LGPL 2.1 25 * @package Crypt_Blowfish 26 */ 27 abstract class Horde_Crypt_Blowfish_Php_Base 28 { 29 /** 30 * MD5 sum of the key used. 31 * 32 * @var string 33 */ 34 public $md5; 35 36 /** 37 * P-Array contains 18 32-bit subkeys. 38 * 39 * @var array 40 */ 41 protected $_P = array( 42 0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 43 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89, 44 0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C, 45 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917, 46 0x9216D5D9, 0x8979FB1B 47 ); 48 49 /** 50 * Array of four S-Blocks each containing 256 32-bit entries. 51 * 52 * @var array 53 */ 54 protected $_S = array( 55 array( 56 0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7, 57 0xB8E1AFED, 0x6A267E96, 0xBA7C9045, 0xF12C7F99, 58 0x24A19947, 0xB3916CF7, 0x0801F2E2, 0x858EFC16, 59 0x636920D8, 0x71574E69, 0xA458FEA3, 0xF4933D7E, 60 0x0D95748F, 0x728EB658, 0x718BCD58, 0x82154AEE, 61 0x7B54A41D, 0xC25A59B5, 0x9C30D539, 0x2AF26013, 62 0xC5D1B023, 0x286085F0, 0xCA417918, 0xB8DB38EF, 63 0x8E79DCB0, 0x603A180E, 0x6C9E0E8B, 0xB01E8A3E, 64 0xD71577C1, 0xBD314B27, 0x78AF2FDA, 0x55605C60, 65 0xE65525F3, 0xAA55AB94, 0x57489862, 0x63E81440, 66 0x55CA396A, 0x2AAB10B6, 0xB4CC5C34, 0x1141E8CE, 67 0xA15486AF, 0x7C72E993, 0xB3EE1411, 0x636FBC2A, 68 0x2BA9C55D, 0x741831F6, 0xCE5C3E16, 0x9B87931E, 69 0xAFD6BA33, 0x6C24CF5C, 0x7A325381, 0x28958677, 70 0x3B8F4898, 0x6B4BB9AF, 0xC4BFE81B, 0x66282193, 71 0x61D809CC, 0xFB21A991, 0x487CAC60, 0x5DEC8032, 72 0xEF845D5D, 0xE98575B1, 0xDC262302, 0xEB651B88, 73 0x23893E81, 0xD396ACC5, 0x0F6D6FF3, 0x83F44239, 74 0x2E0B4482, 0xA4842004, 0x69C8F04A, 0x9E1F9B5E, 75 0x21C66842, 0xF6E96C9A, 0x670C9C61, 0xABD388F0, 76 0x6A51A0D2, 0xD8542F68, 0x960FA728, 0xAB5133A3, 77 0x6EEF0B6C, 0x137A3BE4, 0xBA3BF050, 0x7EFB2A98, 78 0xA1F1651D, 0x39AF0176, 0x66CA593E, 0x82430E88, 79 0x8CEE8619, 0x456F9FB4, 0x7D84A5C3, 0x3B8B5EBE, 80 0xE06F75D8, 0x85C12073, 0x401A449F, 0x56C16AA6, 81 0x4ED3AA62, 0x363F7706, 0x1BFEDF72, 0x429B023D, 82 0x37D0D724, 0xD00A1248, 0xDB0FEAD3, 0x49F1C09B, 83 0x075372C9, 0x80991B7B, 0x25D479D8, 0xF6E8DEF7, 84 0xE3FE501A, 0xB6794C3B, 0x976CE0BD, 0x04C006BA, 85 0xC1A94FB6, 0x409F60C4, 0x5E5C9EC2, 0x196A2463, 86 0x68FB6FAF, 0x3E6C53B5, 0x1339B2EB, 0x3B52EC6F, 87 0x6DFC511F, 0x9B30952C, 0xCC814544, 0xAF5EBD09, 88 0xBEE3D004, 0xDE334AFD, 0x660F2807, 0x192E4BB3, 89 0xC0CBA857, 0x45C8740F, 0xD20B5F39, 0xB9D3FBDB, 90 0x5579C0BD, 0x1A60320A, 0xD6A100C6, 0x402C7279, 91 0x679F25FE, 0xFB1FA3CC, 0x8EA5E9F8, 0xDB3222F8, 92 0x3C7516DF, 0xFD616B15, 0x2F501EC8, 0xAD0552AB, 93 0x323DB5FA, 0xFD238760, 0x53317B48, 0x3E00DF82, 94 0x9E5C57BB, 0xCA6F8CA0, 0x1A87562E, 0xDF1769DB, 95 0xD542A8F6, 0x287EFFC3, 0xAC6732C6, 0x8C4F5573, 96 0x695B27B0, 0xBBCA58C8, 0xE1FFA35D, 0xB8F011A0, 97 0x10FA3D98, 0xFD2183B8, 0x4AFCB56C, 0x2DD1D35B, 98 0x9A53E479, 0xB6F84565, 0xD28E49BC, 0x4BFB9790, 99 0xE1DDF2DA, 0xA4CB7E33, 0x62FB1341, 0xCEE4C6E8, 100 0xEF20CADA, 0x36774C01, 0xD07E9EFE, 0x2BF11FB4, 101 0x95DBDA4D, 0xAE909198, 0xEAAD8E71, 0x6B93D5A0, 102 0xD08ED1D0, 0xAFC725E0, 0x8E3C5B2F, 0x8E7594B7, 103 0x8FF6E2FB, 0xF2122B64, 0x8888B812, 0x900DF01C, 104 0x4FAD5EA0, 0x688FC31C, 0xD1CFF191, 0xB3A8C1AD, 105 0x2F2F2218, 0xBE0E1777, 0xEA752DFE, 0x8B021FA1, 106 0xE5A0CC0F, 0xB56F74E8, 0x18ACF3D6, 0xCE89E299, 107 0xB4A84FE0, 0xFD13E0B7, 0x7CC43B81, 0xD2ADA8D9, 108 0x165FA266, 0x80957705, 0x93CC7314, 0x211A1477, 109 0xE6AD2065, 0x77B5FA86, 0xC75442F5, 0xFB9D35CF, 110 0xEBCDAF0C, 0x7B3E89A0, 0xD6411BD3, 0xAE1E7E49, 111 0x00250E2D, 0x2071B35E, 0x226800BB, 0x57B8E0AF, 112 0x2464369B, 0xF009B91E, 0x5563911D, 0x59DFA6AA, 113 0x78C14389, 0xD95A537F, 0x207D5BA2, 0x02E5B9C5, 114 0x83260376, 0x6295CFA9, 0x11C81968, 0x4E734A41, 115 0xB3472DCA, 0x7B14A94A, 0x1B510052, 0x9A532915, 116 0xD60F573F, 0xBC9BC6E4, 0x2B60A476, 0x81E67400, 117 0x08BA6FB5, 0x571BE91F, 0xF296EC6B, 0x2A0DD915, 118 0xB6636521, 0xE7B9F9B6, 0xFF34052E, 0xC5855664, 119 0x53B02D5D, 0xA99F8FA1, 0x08BA4799, 0x6E85076A 120 ), array( 121 0x4B7A70E9, 0xB5B32944, 0xDB75092E, 0xC4192623, 122 0xAD6EA6B0, 0x49A7DF7D, 0x9CEE60B8, 0x8FEDB266, 123 0xECAA8C71, 0x699A17FF, 0x5664526C, 0xC2B19EE1, 124 0x193602A5, 0x75094C29, 0xA0591340, 0xE4183A3E, 125 0x3F54989A, 0x5B429D65, 0x6B8FE4D6, 0x99F73FD6, 126 0xA1D29C07, 0xEFE830F5, 0x4D2D38E6, 0xF0255DC1, 127 0x4CDD2086, 0x8470EB26, 0x6382E9C6, 0x021ECC5E, 128 0x09686B3F, 0x3EBAEFC9, 0x3C971814, 0x6B6A70A1, 129 0x687F3584, 0x52A0E286, 0xB79C5305, 0xAA500737, 130 0x3E07841C, 0x7FDEAE5C, 0x8E7D44EC, 0x5716F2B8, 131 0xB03ADA37, 0xF0500C0D, 0xF01C1F04, 0x0200B3FF, 132 0xAE0CF51A, 0x3CB574B2, 0x25837A58, 0xDC0921BD, 133 0xD19113F9, 0x7CA92FF6, 0x94324773, 0x22F54701, 134 0x3AE5E581, 0x37C2DADC, 0xC8B57634, 0x9AF3DDA7, 135 0xA9446146, 0x0FD0030E, 0xECC8C73E, 0xA4751E41, 136 0xE238CD99, 0x3BEA0E2F, 0x3280BBA1, 0x183EB331, 137 0x4E548B38, 0x4F6DB908, 0x6F420D03, 0xF60A04BF, 138 0x2CB81290, 0x24977C79, 0x5679B072, 0xBCAF89AF, 139 0xDE9A771F, 0xD9930810, 0xB38BAE12, 0xDCCF3F2E, 140 0x5512721F, 0x2E6B7124, 0x501ADDE6, 0x9F84CD87, 141 0x7A584718, 0x7408DA17, 0xBC9F9ABC, 0xE94B7D8C, 142 0xEC7AEC3A, 0xDB851DFA, 0x63094366, 0xC464C3D2, 143 0xEF1C1847, 0x3215D908, 0xDD433B37, 0x24C2BA16, 144 0x12A14D43, 0x2A65C451, 0x50940002, 0x133AE4DD, 145 0x71DFF89E, 0x10314E55, 0x81AC77D6, 0x5F11199B, 146 0x043556F1, 0xD7A3C76B, 0x3C11183B, 0x5924A509, 147 0xF28FE6ED, 0x97F1FBFA, 0x9EBABF2C, 0x1E153C6E, 148 0x86E34570, 0xEAE96FB1, 0x860E5E0A, 0x5A3E2AB3, 149 0x771FE71C, 0x4E3D06FA, 0x2965DCB9, 0x99E71D0F, 150 0x803E89D6, 0x5266C825, 0x2E4CC978, 0x9C10B36A, 151 0xC6150EBA, 0x94E2EA78, 0xA5FC3C53, 0x1E0A2DF4, 152 0xF2F74EA7, 0x361D2B3D, 0x1939260F, 0x19C27960, 153 0x5223A708, 0xF71312B6, 0xEBADFE6E, 0xEAC31F66, 154 0xE3BC4595, 0xA67BC883, 0xB17F37D1, 0x018CFF28, 155 0xC332DDEF, 0xBE6C5AA5, 0x65582185, 0x68AB9802, 156 0xEECEA50F, 0xDB2F953B, 0x2AEF7DAD, 0x5B6E2F84, 157 0x1521B628, 0x29076170, 0xECDD4775, 0x619F1510, 158 0x13CCA830, 0xEB61BD96, 0x0334FE1E, 0xAA0363CF, 159 0xB5735C90, 0x4C70A239, 0xD59E9E0B, 0xCBAADE14, 160 0xEECC86BC, 0x60622CA7, 0x9CAB5CAB, 0xB2F3846E, 161 0x648B1EAF, 0x19BDF0CA, 0xA02369B9, 0x655ABB50, 162 0x40685A32, 0x3C2AB4B3, 0x319EE9D5, 0xC021B8F7, 163 0x9B540B19, 0x875FA099, 0x95F7997E, 0x623D7DA8, 164 0xF837889A, 0x97E32D77, 0x11ED935F, 0x16681281, 165 0x0E358829, 0xC7E61FD6, 0x96DEDFA1, 0x7858BA99, 166 0x57F584A5, 0x1B227263, 0x9B83C3FF, 0x1AC24696, 167 0xCDB30AEB, 0x532E3054, 0x8FD948E4, 0x6DBC3128, 168 0x58EBF2EF, 0x34C6FFEA, 0xFE28ED61, 0xEE7C3C73, 169 0x5D4A14D9, 0xE864B7E3, 0x42105D14, 0x203E13E0, 170 0x45EEE2B6, 0xA3AAABEA, 0xDB6C4F15, 0xFACB4FD0, 171 0xC742F442, 0xEF6ABBB5, 0x654F3B1D, 0x41CD2105, 172 0xD81E799E, 0x86854DC7, 0xE44B476A, 0x3D816250, 173 0xCF62A1F2, 0x5B8D2646, 0xFC8883A0, 0xC1C7B6A3, 174 0x7F1524C3, 0x69CB7492, 0x47848A0B, 0x5692B285, 175 0x095BBF00, 0xAD19489D, 0x1462B174, 0x23820E00, 176 0x58428D2A, 0x0C55F5EA, 0x1DADF43E, 0x233F7061, 177 0x3372F092, 0x8D937E41, 0xD65FECF1, 0x6C223BDB, 178 0x7CDE3759, 0xCBEE7460, 0x4085F2A7, 0xCE77326E, 179 0xA6078084, 0x19F8509E, 0xE8EFD855, 0x61D99735, 180 0xA969A7AA, 0xC50C06C2, 0x5A04ABFC, 0x800BCADC, 181 0x9E447A2E, 0xC3453484, 0xFDD56705, 0x0E1E9EC9, 182 0xDB73DBD3, 0x105588CD, 0x675FDA79, 0xE3674340, 183 0xC5C43465, 0x713E38D8, 0x3D28F89E, 0xF16DFF20, 184 0x153E21E7, 0x8FB03D4A, 0xE6E39F2B, 0xDB83ADF7 185 ), array( 186 0xE93D5A68, 0x948140F7, 0xF64C261C, 0x94692934, 187 0x411520F7, 0x7602D4F7, 0xBCF46B2E, 0xD4A20068, 188 0xD4082471, 0x3320F46A, 0x43B7D4B7, 0x500061AF, 189 0x1E39F62E, 0x97244546, 0x14214F74, 0xBF8B8840, 190 0x4D95FC1D, 0x96B591AF, 0x70F4DDD3, 0x66A02F45, 191 0xBFBC09EC, 0x03BD9785, 0x7FAC6DD0, 0x31CB8504, 192 0x96EB27B3, 0x55FD3941, 0xDA2547E6, 0xABCA0A9A, 193 0x28507825, 0x530429F4, 0x0A2C86DA, 0xE9B66DFB, 194 0x68DC1462, 0xD7486900, 0x680EC0A4, 0x27A18DEE, 195 0x4F3FFEA2, 0xE887AD8C, 0xB58CE006, 0x7AF4D6B6, 196 0xAACE1E7C, 0xD3375FEC, 0xCE78A399, 0x406B2A42, 197 0x20FE9E35, 0xD9F385B9, 0xEE39D7AB, 0x3B124E8B, 198 0x1DC9FAF7, 0x4B6D1856, 0x26A36631, 0xEAE397B2, 199 0x3A6EFA74, 0xDD5B4332, 0x6841E7F7, 0xCA7820FB, 200 0xFB0AF54E, 0xD8FEB397, 0x454056AC, 0xBA489527, 201 0x55533A3A, 0x20838D87, 0xFE6BA9B7, 0xD096954B, 202 0x55A867BC, 0xA1159A58, 0xCCA92963, 0x99E1DB33, 203 0xA62A4A56, 0x3F3125F9, 0x5EF47E1C, 0x9029317C, 204 0xFDF8E802, 0x04272F70, 0x80BB155C, 0x05282CE3, 205 0x95C11548, 0xE4C66D22, 0x48C1133F, 0xC70F86DC, 206 0x07F9C9EE, 0x41041F0F, 0x404779A4, 0x5D886E17, 207 0x325F51EB, 0xD59BC0D1, 0xF2BCC18F, 0x41113564, 208 0x257B7834, 0x602A9C60, 0xDFF8E8A3, 0x1F636C1B, 209 0x0E12B4C2, 0x02E1329E, 0xAF664FD1, 0xCAD18115, 210 0x6B2395E0, 0x333E92E1, 0x3B240B62, 0xEEBEB922, 211 0x85B2A20E, 0xE6BA0D99, 0xDE720C8C, 0x2DA2F728, 212 0xD0127845, 0x95B794FD, 0x647D0862, 0xE7CCF5F0, 213 0x5449A36F, 0x877D48FA, 0xC39DFD27, 0xF33E8D1E, 214 0x0A476341, 0x992EFF74, 0x3A6F6EAB, 0xF4F8FD37, 215 0xA812DC60, 0xA1EBDDF8, 0x991BE14C, 0xDB6E6B0D, 216 0xC67B5510, 0x6D672C37, 0x2765D43B, 0xDCD0E804, 217 0xF1290DC7, 0xCC00FFA3, 0xB5390F92, 0x690FED0B, 218 0x667B9FFB, 0xCEDB7D9C, 0xA091CF0B, 0xD9155EA3, 219 0xBB132F88, 0x515BAD24, 0x7B9479BF, 0x763BD6EB, 220 0x37392EB3, 0xCC115979, 0x8026E297, 0xF42E312D, 221 0x6842ADA7, 0xC66A2B3B, 0x12754CCC, 0x782EF11C, 222 0x6A124237, 0xB79251E7, 0x06A1BBE6, 0x4BFB6350, 223 0x1A6B1018, 0x11CAEDFA, 0x3D25BDD8, 0xE2E1C3C9, 224 0x44421659, 0x0A121386, 0xD90CEC6E, 0xD5ABEA2A, 225 0x64AF674E, 0xDA86A85F, 0xBEBFE988, 0x64E4C3FE, 226 0x9DBC8057, 0xF0F7C086, 0x60787BF8, 0x6003604D, 227 0xD1FD8346, 0xF6381FB0, 0x7745AE04, 0xD736FCCC, 228 0x83426B33, 0xF01EAB71, 0xB0804187, 0x3C005E5F, 229 0x77A057BE, 0xBDE8AE24, 0x55464299, 0xBF582E61, 230 0x4E58F48F, 0xF2DDFDA2, 0xF474EF38, 0x8789BDC2, 231 0x5366F9C3, 0xC8B38E74, 0xB475F255, 0x46FCD9B9, 232 0x7AEB2661, 0x8B1DDF84, 0x846A0E79, 0x915F95E2, 233 0x466E598E, 0x20B45770, 0x8CD55591, 0xC902DE4C, 234 0xB90BACE1, 0xBB8205D0, 0x11A86248, 0x7574A99E, 235 0xB77F19B6, 0xE0A9DC09, 0x662D09A1, 0xC4324633, 236 0xE85A1F02, 0x09F0BE8C, 0x4A99A025, 0x1D6EFE10, 237 0x1AB93D1D, 0x0BA5A4DF, 0xA186F20F, 0x2868F169, 238 0xDCB7DA83, 0x573906FE, 0xA1E2CE9B, 0x4FCD7F52, 239 0x50115E01, 0xA70683FA, 0xA002B5C4, 0x0DE6D027, 240 0x9AF88C27, 0x773F8641, 0xC3604C06, 0x61A806B5, 241 0xF0177A28, 0xC0F586E0, 0x006058AA, 0x30DC7D62, 242 0x11E69ED7, 0x2338EA63, 0x53C2DD94, 0xC2C21634, 243 0xBBCBEE56, 0x90BCB6DE, 0xEBFC7DA1, 0xCE591D76, 244 0x6F05E409, 0x4B7C0188, 0x39720A3D, 0x7C927C24, 245 0x86E3725F, 0x724D9DB9, 0x1AC15BB4, 0xD39EB8FC, 246 0xED545578, 0x08FCA5B5, 0xD83D7CD3, 0x4DAD0FC4, 247 0x1E50EF5E, 0xB161E6F8, 0xA28514D9, 0x6C51133C, 248 0x6FD5C7E7, 0x56E14EC4, 0x362ABFCE, 0xDDC6C837, 249 0xD79A3234, 0x92638212, 0x670EFA8E, 0x406000E0 250 ), array( 251 0x3A39CE37, 0xD3FAF5CF, 0xABC27737, 0x5AC52D1B, 252 0x5CB0679E, 0x4FA33742, 0xD3822740, 0x99BC9BBE, 253 0xD5118E9D, 0xBF0F7315, 0xD62D1C7E, 0xC700C47B, 254 0xB78C1B6B, 0x21A19045, 0xB26EB1BE, 0x6A366EB4, 255 0x5748AB2F, 0xBC946E79, 0xC6A376D2, 0x6549C2C8, 256 0x530FF8EE, 0x468DDE7D, 0xD5730A1D, 0x4CD04DC6, 257 0x2939BBDB, 0xA9BA4650, 0xAC9526E8, 0xBE5EE304, 258 0xA1FAD5F0, 0x6A2D519A, 0x63EF8CE2, 0x9A86EE22, 259 0xC089C2B8, 0x43242EF6, 0xA51E03AA, 0x9CF2D0A4, 260 0x83C061BA, 0x9BE96A4D, 0x8FE51550, 0xBA645BD6, 261 0x2826A2F9, 0xA73A3AE1, 0x4BA99586, 0xEF5562E9, 262 0xC72FEFD3, 0xF752F7DA, 0x3F046F69, 0x77FA0A59, 263 0x80E4A915, 0x87B08601, 0x9B09E6AD, 0x3B3EE593, 264 0xE990FD5A, 0x9E34D797, 0x2CF0B7D9, 0x022B8B51, 265 0x96D5AC3A, 0x017DA67D, 0xD1CF3ED6, 0x7C7D2D28, 266 0x1F9F25CF, 0xADF2B89B, 0x5AD6B472, 0x5A88F54C, 267 0xE029AC71, 0xE019A5E6, 0x47B0ACFD, 0xED93FA9B, 268 0xE8D3C48D, 0x283B57CC, 0xF8D56629, 0x79132E28, 269 0x785F0191, 0xED756055, 0xF7960E44, 0xE3D35E8C, 270 0x15056DD4, 0x88F46DBA, 0x03A16125, 0x0564F0BD, 271 0xC3EB9E15, 0x3C9057A2, 0x97271AEC, 0xA93A072A, 272 0x1B3F6D9B, 0x1E6321F5, 0xF59C66FB, 0x26DCF319, 273 0x7533D928, 0xB155FDF5, 0x03563482, 0x8ABA3CBB, 274 0x28517711, 0xC20AD9F8, 0xABCC5167, 0xCCAD925F, 275 0x4DE81751, 0x3830DC8E, 0x379D5862, 0x9320F991, 276 0xEA7A90C2, 0xFB3E7BCE, 0x5121CE64, 0x774FBE32, 277 0xA8B6E37E, 0xC3293D46, 0x48DE5369, 0x6413E680, 278 0xA2AE0810, 0xDD6DB224, 0x69852DFD, 0x09072166, 279 0xB39A460A, 0x6445C0DD, 0x586CDECF, 0x1C20C8AE, 280 0x5BBEF7DD, 0x1B588D40, 0xCCD2017F, 0x6BB4E3BB, 281 0xDDA26A7E, 0x3A59FF45, 0x3E350A44, 0xBCB4CDD5, 282 0x72EACEA8, 0xFA6484BB, 0x8D6612AE, 0xBF3C6F47, 283 0xD29BE463, 0x542F5D9E, 0xAEC2771B, 0xF64E6370, 284 0x740E0D8D, 0xE75B1357, 0xF8721671, 0xAF537D5D, 285 0x4040CB08, 0x4EB4E2CC, 0x34D2466A, 0x0115AF84, 286 0xE1B00428, 0x95983A1D, 0x06B89FB4, 0xCE6EA048, 287 0x6F3F3B82, 0x3520AB82, 0x011A1D4B, 0x277227F8, 288 0x611560B1, 0xE7933FDC, 0xBB3A792B, 0x344525BD, 289 0xA08839E1, 0x51CE794B, 0x2F32C9B7, 0xA01FBAC9, 290 0xE01CC87E, 0xBCC7D1F6, 0xCF0111C3, 0xA1E8AAC7, 291 0x1A908749, 0xD44FBD9A, 0xD0DADECB, 0xD50ADA38, 292 0x0339C32A, 0xC6913667, 0x8DF9317C, 0xE0B12B4F, 293 0xF79E59B7, 0x43F5BB3A, 0xF2D519FF, 0x27D9459C, 294 0xBF97222C, 0x15E6FC2A, 0x0F91FC71, 0x9B941525, 295 0xFAE59361, 0xCEB69CEB, 0xC2A86459, 0x12BAA8D1, 296 0xB6C1075E, 0xE3056A0C, 0x10D25065, 0xCB03A442, 297 0xE0EC6E0E, 0x1698DB3B, 0x4C98A0BE, 0x3278E964, 298 0x9F1F9532, 0xE0D392DF, 0xD3A0342B, 0x8971F21E, 299 0x1B0A7441, 0x4BA3348C, 0xC5BE7120, 0xC37632D8, 300 0xDF359F8D, 0x9B992F2E, 0xE60B6F47, 0x0FE3F11D, 301 0xE54CDA54, 0x1EDAD891, 0xCE6279CF, 0xCD3E7E6F, 302 0x1618B166, 0xFD2C1D05, 0x848FD2C5, 0xF6FB2299, 303 0xF523F357, 0xA6327623, 0x93A83531, 0x56CCCD02, 304 0xACF08162, 0x5A75EBB5, 0x6E163697, 0x88D273CC, 305 0xDE966292, 0x81B949D0, 0x4C50901B, 0x71C65614, 306 0xE6C6C7BD, 0x327A140A, 0x45E1D006, 0xC3F27B9A, 307 0xC9AA53FD, 0x62A80F00, 0xBB25BFE2, 0x35BDD2F6, 308 0x71126905, 0xB2040222, 0xB6CBCF7C, 0xCD769C2B, 309 0x53113EC0, 0x1640E3D3, 0x38ABBD60, 0x2547ADF0, 310 0xBA38209C, 0xF746CE76, 0x77AFA1C5, 0x20756060, 311 0x85CBFE4E, 0x8AE88DD8, 0x7AAAF9B0, 0x4CF9AA7E, 312 0x1948C25C, 0x02FB8A8C, 0x01C36AE4, 0xD6EBE1F9, 313 0x90D4F869, 0xA65CDEA0, 0x3F09252D, 0xC208E69F, 314 0xB74E6132, 0xCE77E25B, 0x578FDFE3, 0x3AC372E6 315 ) 316 ); 317 318 /** 319 * Constructor. 320 * 321 * @param string $key Encrpytion key. 322 */ 323 public function __construct($key) 324 { 325 $data = $datal = $datar = $k = 0; 326 $len = strlen($key); 327 328 for ($i = 0; $i < 18; ++$i) { 329 $data = 0; 330 for ($j = 4; $j > 0; --$j) { 331 $data = $data << 8 | ord($key[$k]); 332 $k = ($k + 1) % $len; 333 } 334 $this->_P[$i] ^= $data; 335 } 336 337 for ($i = 0; $i <= 16; $i += 2) { 338 $this->_encipher($datal, $datar); 339 $this->_P[$i] = $datal; 340 $this->_P[$i+1] = $datar; 341 } 342 343 for ($i = 0; $i < 256; $i += 2) { 344 $this->_encipher($datal, $datar); 345 $this->_S[0][$i] = $datal; 346 $this->_S[0][$i+1] = $datar; 347 } 348 349 for ($i = 0; $i < 256; $i += 2) { 350 $this->_encipher($datal, $datar); 351 $this->_S[1][$i] = $datal; 352 $this->_S[1][$i+1] = $datar; 353 } 354 355 for ($i = 0; $i < 256; $i += 2) { 356 $this->_encipher($datal, $datar); 357 $this->_S[2][$i] = $datal; 358 $this->_S[2][$i+1] = $datar; 359 } 360 361 for ($i = 0; $i < 256; $i += 2) { 362 $this->_encipher($datal, $datar); 363 $this->_S[3][$i] = $datal; 364 $this->_S[3][$i+1] = $datar; 365 } 366 367 $this->md5 = hash('md5', $key); 368 } 369 370 /** 371 */ 372 abstract public function encrypt($text, $iv); 373 374 /** 375 */ 376 abstract public function decrypt($text, $iv); 377 378 /** 379 * Workaround for XOR on certain systems. 380 * 381 * @param integer|float $l 382 * @param integer|float $r 383 * 384 * @return float 385 */ 386 protected function _binxor($l, $r) 387 { 388 $x = (($l < 0) ? (float)($l + 4294967296) : (float)$l) 389 ^ (($r < 0) ? (float)($r + 4294967296) : (float)$r); 390 391 return (float)(($x < 0) ? $x + 4294967296 : $x); 392 } 393 394 /** 395 * Enciphers a single 64-bit block. 396 * 397 * @param int &$Xl 398 * @param int &$Xr 399 */ 400 protected function _encipher(&$Xl, &$Xr) 401 { 402 if ($Xl < 0) { 403 $Xl += 4294967296; 404 } 405 406 if ($Xr < 0) { 407 $Xr += 4294967296; 408 } 409 410 for ($i = 0; $i < 16; ++$i) { 411 $temp = $Xl ^ $this->_P[$i]; 412 if ($temp < 0) { 413 $temp += 4294967296; 414 } 415 416 $Xl = fmod((fmod($this->_S[0][($temp >> 24) & 255] 417 + $this->_S[1][($temp >> 16) & 255], 4294967296) 418 ^ $this->_S[2][($temp >> 8) & 255]) 419 + $this->_S[3][$temp & 255], 4294967296) ^ $Xr; 420 $Xr = $temp; 421 } 422 423 $Xr = $this->_binxor($Xl, $this->_P[16]); 424 $Xl = $this->_binxor($temp, $this->_P[17]); 425 } 426 427 /** 428 * Deciphers a single 64-bit block. 429 * 430 * @param int &$Xl 431 * @param int &$Xr 432 */ 433 protected function _decipher(&$Xl, &$Xr) 434 { 435 if ($Xl < 0) { 436 $Xl += 4294967296; 437 } 438 if ($Xr < 0) { 439 $Xr += 4294967296; 440 } 441 442 for ($i = 17; $i > 1; --$i) { 443 $temp = $Xl ^ $this->_P[$i]; 444 if ($temp < 0) { 445 $temp += 4294967296; 446 } 447 448 $Xl = fmod((fmod($this->_S[0][($temp >> 24) & 255] 449 + $this->_S[1][($temp >> 16) & 255], 4294967296) 450 ^ $this->_S[2][($temp >> 8) & 255]) 451 + $this->_S[3][$temp & 255], 4294967296) ^ $Xr; 452 $Xr = $temp; 453 } 454 455 $Xr = $this->_binxor($Xl, $this->_P[1]); 456 $Xl = $this->_binxor($temp, $this->_P[0]); 457 } 458 459 }
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