Common
1 year ago
DH
1 year ago
DSA
1 year ago
EC
1 year ago
RSA
1 year ago
.htaccess
1 year ago
AES.php
1 year ago
Blowfish.php
1 year ago
ChaCha20.php
1 year ago
DES.php
1 year ago
DH.php
1 year ago
DSA.php
1 year ago
EC.php
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Hash.php
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PublicKeyLoader.php
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RC2.php
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RC4.php
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RSA.php
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Random.php
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Rijndael.php
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Salsa20.php
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TripleDES.php
1 year ago
Twofish.php
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index.html
1 year ago
web.config
1 year ago
DES.php
1370 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Pure-PHP implementation of DES. |
| 5 | * |
| 6 | * Uses OpenSSL, if available/possible, and an internal implementation, otherwise |
| 7 | * |
| 8 | * PHP version 5 |
| 9 | * |
| 10 | * Useful resources are as follows: |
| 11 | * |
| 12 | * - {@link http://en.wikipedia.org/wiki/DES_supplementary_material Wikipedia: DES supplementary material} |
| 13 | * - {@link http://www.itl.nist.gov/fipspubs/fip46-2.htm FIPS 46-2 - (DES), Data Encryption Standard} |
| 14 | * - {@link http://www.cs.eku.edu/faculty/styer/460/Encrypt/JS-DES.html JavaScript DES Example} |
| 15 | * |
| 16 | * Here's a short example of how to use this library: |
| 17 | * <code> |
| 18 | * <?php |
| 19 | * include 'vendor/autoload.php'; |
| 20 | * |
| 21 | * $des = new \phpseclib3\Crypt\DES('ctr'); |
| 22 | * |
| 23 | * $des->setKey('abcdefgh'); |
| 24 | * |
| 25 | * $size = 10 * 1024; |
| 26 | * $plaintext = ''; |
| 27 | * for ($i = 0; $i < $size; $i++) { |
| 28 | * $plaintext.= 'a'; |
| 29 | * } |
| 30 | * |
| 31 | * echo $des->decrypt($des->encrypt($plaintext)); |
| 32 | * ?> |
| 33 | * </code> |
| 34 | * |
| 35 | * @author Jim Wigginton <terrafrost@php.net> |
| 36 | * @copyright 2007 Jim Wigginton |
| 37 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
| 38 | * @link http://phpseclib.sourceforge.net |
| 39 | */ |
| 40 | |
| 41 | declare(strict_types=1); |
| 42 | |
| 43 | namespace phpseclib3\Crypt; |
| 44 | |
| 45 | use phpseclib3\Crypt\Common\BlockCipher; |
| 46 | use phpseclib3\Exception\BadModeException; |
| 47 | use phpseclib3\Exception\LengthException; |
| 48 | |
| 49 | /** |
| 50 | * Pure-PHP implementation of DES. |
| 51 | * |
| 52 | * @author Jim Wigginton <terrafrost@php.net> |
| 53 | */ |
| 54 | class DES extends BlockCipher |
| 55 | { |
| 56 | /** |
| 57 | * Contains $keys[self::ENCRYPT] |
| 58 | * |
| 59 | * @see \phpseclib3\Crypt\DES::setupKey() |
| 60 | * @see \phpseclib3\Crypt\DES::processBlock() |
| 61 | */ |
| 62 | public const ENCRYPT = 0; |
| 63 | /** |
| 64 | * Contains $keys[self::DECRYPT] |
| 65 | * |
| 66 | * @see \phpseclib3\Crypt\DES::setupKey() |
| 67 | * @see \phpseclib3\Crypt\DES::processBlock() |
| 68 | */ |
| 69 | public const DECRYPT = 1; |
| 70 | |
| 71 | /** |
| 72 | * Block Length of the cipher |
| 73 | * |
| 74 | * @see \phpseclib3\Crypt\Common\SymmetricKey::block_size |
| 75 | * @var int |
| 76 | */ |
| 77 | protected $block_size = 8; |
| 78 | |
| 79 | /** |
| 80 | * Key Length (in bytes) |
| 81 | * |
| 82 | * @see \phpseclib3\Crypt\Common\SymmetricKey::setKeyLength() |
| 83 | * @var int |
| 84 | */ |
| 85 | protected $key_length = 8; |
| 86 | |
| 87 | /** |
| 88 | * The OpenSSL names of the cipher / modes |
| 89 | * |
| 90 | * @see \phpseclib3\Crypt\Common\SymmetricKey::openssl_mode_names |
| 91 | * @var array |
| 92 | */ |
| 93 | protected $openssl_mode_names = [ |
| 94 | self::MODE_ECB => 'des-ecb', |
| 95 | self::MODE_CBC => 'des-cbc', |
| 96 | self::MODE_CFB => 'des-cfb', |
| 97 | self::MODE_OFB => 'des-ofb', |
| 98 | // self::MODE_CTR is undefined for DES |
| 99 | ]; |
| 100 | |
| 101 | /** |
| 102 | * Switch for DES/3DES encryption |
| 103 | * |
| 104 | * Used only if $engine == self::ENGINE_INTERNAL |
| 105 | * |
| 106 | * @see self::setupKey() |
| 107 | * @see self::processBlock() |
| 108 | * @var int |
| 109 | */ |
| 110 | protected $des_rounds = 1; |
| 111 | |
| 112 | /** |
| 113 | * max possible size of $key |
| 114 | * |
| 115 | * @see self::setKey() |
| 116 | * @var string |
| 117 | */ |
| 118 | protected $key_length_max = 8; |
| 119 | |
| 120 | /** |
| 121 | * The Key Schedule |
| 122 | * |
| 123 | * @see self::setupKey() |
| 124 | * @var array |
| 125 | */ |
| 126 | private $keys; |
| 127 | |
| 128 | /** |
| 129 | * Key Cache "key" |
| 130 | * |
| 131 | * @see self::setupKey() |
| 132 | * @var array |
| 133 | */ |
| 134 | private $kl; |
| 135 | |
| 136 | /** |
| 137 | * Shuffle table. |
| 138 | * |
| 139 | * For each byte value index, the entry holds an 8-byte string |
| 140 | * with each byte containing all bits in the same state as the |
| 141 | * corresponding bit in the index value. |
| 142 | * |
| 143 | * @see self::processBlock() |
| 144 | * @see self::setupKey() |
| 145 | * @var array |
| 146 | */ |
| 147 | protected static $shuffle = [ |
| 148 | "\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\xFF", |
| 149 | "\x00\x00\x00\x00\x00\x00\xFF\x00", "\x00\x00\x00\x00\x00\x00\xFF\xFF", |
| 150 | "\x00\x00\x00\x00\x00\xFF\x00\x00", "\x00\x00\x00\x00\x00\xFF\x00\xFF", |
| 151 | "\x00\x00\x00\x00\x00\xFF\xFF\x00", "\x00\x00\x00\x00\x00\xFF\xFF\xFF", |
| 152 | "\x00\x00\x00\x00\xFF\x00\x00\x00", "\x00\x00\x00\x00\xFF\x00\x00\xFF", |
| 153 | "\x00\x00\x00\x00\xFF\x00\xFF\x00", "\x00\x00\x00\x00\xFF\x00\xFF\xFF", |
| 154 | "\x00\x00\x00\x00\xFF\xFF\x00\x00", "\x00\x00\x00\x00\xFF\xFF\x00\xFF", |
| 155 | "\x00\x00\x00\x00\xFF\xFF\xFF\x00", "\x00\x00\x00\x00\xFF\xFF\xFF\xFF", |
| 156 | "\x00\x00\x00\xFF\x00\x00\x00\x00", "\x00\x00\x00\xFF\x00\x00\x00\xFF", |
| 157 | "\x00\x00\x00\xFF\x00\x00\xFF\x00", "\x00\x00\x00\xFF\x00\x00\xFF\xFF", |
| 158 | "\x00\x00\x00\xFF\x00\xFF\x00\x00", "\x00\x00\x00\xFF\x00\xFF\x00\xFF", |
| 159 | "\x00\x00\x00\xFF\x00\xFF\xFF\x00", "\x00\x00\x00\xFF\x00\xFF\xFF\xFF", |
| 160 | "\x00\x00\x00\xFF\xFF\x00\x00\x00", "\x00\x00\x00\xFF\xFF\x00\x00\xFF", |
| 161 | "\x00\x00\x00\xFF\xFF\x00\xFF\x00", "\x00\x00\x00\xFF\xFF\x00\xFF\xFF", |
| 162 | "\x00\x00\x00\xFF\xFF\xFF\x00\x00", "\x00\x00\x00\xFF\xFF\xFF\x00\xFF", |
| 163 | "\x00\x00\x00\xFF\xFF\xFF\xFF\x00", "\x00\x00\x00\xFF\xFF\xFF\xFF\xFF", |
| 164 | "\x00\x00\xFF\x00\x00\x00\x00\x00", "\x00\x00\xFF\x00\x00\x00\x00\xFF", |
| 165 | "\x00\x00\xFF\x00\x00\x00\xFF\x00", "\x00\x00\xFF\x00\x00\x00\xFF\xFF", |
| 166 | "\x00\x00\xFF\x00\x00\xFF\x00\x00", "\x00\x00\xFF\x00\x00\xFF\x00\xFF", |
| 167 | "\x00\x00\xFF\x00\x00\xFF\xFF\x00", "\x00\x00\xFF\x00\x00\xFF\xFF\xFF", |
| 168 | "\x00\x00\xFF\x00\xFF\x00\x00\x00", "\x00\x00\xFF\x00\xFF\x00\x00\xFF", |
| 169 | "\x00\x00\xFF\x00\xFF\x00\xFF\x00", "\x00\x00\xFF\x00\xFF\x00\xFF\xFF", |
| 170 | "\x00\x00\xFF\x00\xFF\xFF\x00\x00", "\x00\x00\xFF\x00\xFF\xFF\x00\xFF", |
| 171 | "\x00\x00\xFF\x00\xFF\xFF\xFF\x00", "\x00\x00\xFF\x00\xFF\xFF\xFF\xFF", |
| 172 | "\x00\x00\xFF\xFF\x00\x00\x00\x00", "\x00\x00\xFF\xFF\x00\x00\x00\xFF", |
| 173 | "\x00\x00\xFF\xFF\x00\x00\xFF\x00", "\x00\x00\xFF\xFF\x00\x00\xFF\xFF", |
| 174 | "\x00\x00\xFF\xFF\x00\xFF\x00\x00", "\x00\x00\xFF\xFF\x00\xFF\x00\xFF", |
| 175 | "\x00\x00\xFF\xFF\x00\xFF\xFF\x00", "\x00\x00\xFF\xFF\x00\xFF\xFF\xFF", |
| 176 | "\x00\x00\xFF\xFF\xFF\x00\x00\x00", "\x00\x00\xFF\xFF\xFF\x00\x00\xFF", |
| 177 | "\x00\x00\xFF\xFF\xFF\x00\xFF\x00", "\x00\x00\xFF\xFF\xFF\x00\xFF\xFF", |
| 178 | "\x00\x00\xFF\xFF\xFF\xFF\x00\x00", "\x00\x00\xFF\xFF\xFF\xFF\x00\xFF", |
| 179 | "\x00\x00\xFF\xFF\xFF\xFF\xFF\x00", "\x00\x00\xFF\xFF\xFF\xFF\xFF\xFF", |
| 180 | "\x00\xFF\x00\x00\x00\x00\x00\x00", "\x00\xFF\x00\x00\x00\x00\x00\xFF", |
| 181 | "\x00\xFF\x00\x00\x00\x00\xFF\x00", "\x00\xFF\x00\x00\x00\x00\xFF\xFF", |
| 182 | "\x00\xFF\x00\x00\x00\xFF\x00\x00", "\x00\xFF\x00\x00\x00\xFF\x00\xFF", |
| 183 | "\x00\xFF\x00\x00\x00\xFF\xFF\x00", "\x00\xFF\x00\x00\x00\xFF\xFF\xFF", |
| 184 | "\x00\xFF\x00\x00\xFF\x00\x00\x00", "\x00\xFF\x00\x00\xFF\x00\x00\xFF", |
| 185 | "\x00\xFF\x00\x00\xFF\x00\xFF\x00", "\x00\xFF\x00\x00\xFF\x00\xFF\xFF", |
| 186 | "\x00\xFF\x00\x00\xFF\xFF\x00\x00", "\x00\xFF\x00\x00\xFF\xFF\x00\xFF", |
| 187 | "\x00\xFF\x00\x00\xFF\xFF\xFF\x00", "\x00\xFF\x00\x00\xFF\xFF\xFF\xFF", |
| 188 | "\x00\xFF\x00\xFF\x00\x00\x00\x00", "\x00\xFF\x00\xFF\x00\x00\x00\xFF", |
| 189 | "\x00\xFF\x00\xFF\x00\x00\xFF\x00", "\x00\xFF\x00\xFF\x00\x00\xFF\xFF", |
| 190 | "\x00\xFF\x00\xFF\x00\xFF\x00\x00", "\x00\xFF\x00\xFF\x00\xFF\x00\xFF", |
| 191 | "\x00\xFF\x00\xFF\x00\xFF\xFF\x00", "\x00\xFF\x00\xFF\x00\xFF\xFF\xFF", |
| 192 | "\x00\xFF\x00\xFF\xFF\x00\x00\x00", "\x00\xFF\x00\xFF\xFF\x00\x00\xFF", |
| 193 | "\x00\xFF\x00\xFF\xFF\x00\xFF\x00", "\x00\xFF\x00\xFF\xFF\x00\xFF\xFF", |
| 194 | "\x00\xFF\x00\xFF\xFF\xFF\x00\x00", "\x00\xFF\x00\xFF\xFF\xFF\x00\xFF", |
| 195 | "\x00\xFF\x00\xFF\xFF\xFF\xFF\x00", "\x00\xFF\x00\xFF\xFF\xFF\xFF\xFF", |
| 196 | "\x00\xFF\xFF\x00\x00\x00\x00\x00", "\x00\xFF\xFF\x00\x00\x00\x00\xFF", |
| 197 | "\x00\xFF\xFF\x00\x00\x00\xFF\x00", "\x00\xFF\xFF\x00\x00\x00\xFF\xFF", |
| 198 | "\x00\xFF\xFF\x00\x00\xFF\x00\x00", "\x00\xFF\xFF\x00\x00\xFF\x00\xFF", |
| 199 | "\x00\xFF\xFF\x00\x00\xFF\xFF\x00", "\x00\xFF\xFF\x00\x00\xFF\xFF\xFF", |
| 200 | "\x00\xFF\xFF\x00\xFF\x00\x00\x00", "\x00\xFF\xFF\x00\xFF\x00\x00\xFF", |
| 201 | "\x00\xFF\xFF\x00\xFF\x00\xFF\x00", "\x00\xFF\xFF\x00\xFF\x00\xFF\xFF", |
| 202 | "\x00\xFF\xFF\x00\xFF\xFF\x00\x00", "\x00\xFF\xFF\x00\xFF\xFF\x00\xFF", |
| 203 | "\x00\xFF\xFF\x00\xFF\xFF\xFF\x00", "\x00\xFF\xFF\x00\xFF\xFF\xFF\xFF", |
| 204 | "\x00\xFF\xFF\xFF\x00\x00\x00\x00", "\x00\xFF\xFF\xFF\x00\x00\x00\xFF", |
| 205 | "\x00\xFF\xFF\xFF\x00\x00\xFF\x00", "\x00\xFF\xFF\xFF\x00\x00\xFF\xFF", |
| 206 | "\x00\xFF\xFF\xFF\x00\xFF\x00\x00", "\x00\xFF\xFF\xFF\x00\xFF\x00\xFF", |
| 207 | "\x00\xFF\xFF\xFF\x00\xFF\xFF\x00", "\x00\xFF\xFF\xFF\x00\xFF\xFF\xFF", |
| 208 | "\x00\xFF\xFF\xFF\xFF\x00\x00\x00", "\x00\xFF\xFF\xFF\xFF\x00\x00\xFF", |
| 209 | "\x00\xFF\xFF\xFF\xFF\x00\xFF\x00", "\x00\xFF\xFF\xFF\xFF\x00\xFF\xFF", |
| 210 | "\x00\xFF\xFF\xFF\xFF\xFF\x00\x00", "\x00\xFF\xFF\xFF\xFF\xFF\x00\xFF", |
| 211 | "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\x00\xFF\xFF\xFF\xFF\xFF\xFF\xFF", |
| 212 | "\xFF\x00\x00\x00\x00\x00\x00\x00", "\xFF\x00\x00\x00\x00\x00\x00\xFF", |
| 213 | "\xFF\x00\x00\x00\x00\x00\xFF\x00", "\xFF\x00\x00\x00\x00\x00\xFF\xFF", |
| 214 | "\xFF\x00\x00\x00\x00\xFF\x00\x00", "\xFF\x00\x00\x00\x00\xFF\x00\xFF", |
| 215 | "\xFF\x00\x00\x00\x00\xFF\xFF\x00", "\xFF\x00\x00\x00\x00\xFF\xFF\xFF", |
| 216 | "\xFF\x00\x00\x00\xFF\x00\x00\x00", "\xFF\x00\x00\x00\xFF\x00\x00\xFF", |
| 217 | "\xFF\x00\x00\x00\xFF\x00\xFF\x00", "\xFF\x00\x00\x00\xFF\x00\xFF\xFF", |
| 218 | "\xFF\x00\x00\x00\xFF\xFF\x00\x00", "\xFF\x00\x00\x00\xFF\xFF\x00\xFF", |
| 219 | "\xFF\x00\x00\x00\xFF\xFF\xFF\x00", "\xFF\x00\x00\x00\xFF\xFF\xFF\xFF", |
| 220 | "\xFF\x00\x00\xFF\x00\x00\x00\x00", "\xFF\x00\x00\xFF\x00\x00\x00\xFF", |
| 221 | "\xFF\x00\x00\xFF\x00\x00\xFF\x00", "\xFF\x00\x00\xFF\x00\x00\xFF\xFF", |
| 222 | "\xFF\x00\x00\xFF\x00\xFF\x00\x00", "\xFF\x00\x00\xFF\x00\xFF\x00\xFF", |
| 223 | "\xFF\x00\x00\xFF\x00\xFF\xFF\x00", "\xFF\x00\x00\xFF\x00\xFF\xFF\xFF", |
| 224 | "\xFF\x00\x00\xFF\xFF\x00\x00\x00", "\xFF\x00\x00\xFF\xFF\x00\x00\xFF", |
| 225 | "\xFF\x00\x00\xFF\xFF\x00\xFF\x00", "\xFF\x00\x00\xFF\xFF\x00\xFF\xFF", |
| 226 | "\xFF\x00\x00\xFF\xFF\xFF\x00\x00", "\xFF\x00\x00\xFF\xFF\xFF\x00\xFF", |
| 227 | "\xFF\x00\x00\xFF\xFF\xFF\xFF\x00", "\xFF\x00\x00\xFF\xFF\xFF\xFF\xFF", |
| 228 | "\xFF\x00\xFF\x00\x00\x00\x00\x00", "\xFF\x00\xFF\x00\x00\x00\x00\xFF", |
| 229 | "\xFF\x00\xFF\x00\x00\x00\xFF\x00", "\xFF\x00\xFF\x00\x00\x00\xFF\xFF", |
| 230 | "\xFF\x00\xFF\x00\x00\xFF\x00\x00", "\xFF\x00\xFF\x00\x00\xFF\x00\xFF", |
| 231 | "\xFF\x00\xFF\x00\x00\xFF\xFF\x00", "\xFF\x00\xFF\x00\x00\xFF\xFF\xFF", |
| 232 | "\xFF\x00\xFF\x00\xFF\x00\x00\x00", "\xFF\x00\xFF\x00\xFF\x00\x00\xFF", |
| 233 | "\xFF\x00\xFF\x00\xFF\x00\xFF\x00", "\xFF\x00\xFF\x00\xFF\x00\xFF\xFF", |
| 234 | "\xFF\x00\xFF\x00\xFF\xFF\x00\x00", "\xFF\x00\xFF\x00\xFF\xFF\x00\xFF", |
| 235 | "\xFF\x00\xFF\x00\xFF\xFF\xFF\x00", "\xFF\x00\xFF\x00\xFF\xFF\xFF\xFF", |
| 236 | "\xFF\x00\xFF\xFF\x00\x00\x00\x00", "\xFF\x00\xFF\xFF\x00\x00\x00\xFF", |
| 237 | "\xFF\x00\xFF\xFF\x00\x00\xFF\x00", "\xFF\x00\xFF\xFF\x00\x00\xFF\xFF", |
| 238 | "\xFF\x00\xFF\xFF\x00\xFF\x00\x00", "\xFF\x00\xFF\xFF\x00\xFF\x00\xFF", |
| 239 | "\xFF\x00\xFF\xFF\x00\xFF\xFF\x00", "\xFF\x00\xFF\xFF\x00\xFF\xFF\xFF", |
| 240 | "\xFF\x00\xFF\xFF\xFF\x00\x00\x00", "\xFF\x00\xFF\xFF\xFF\x00\x00\xFF", |
| 241 | "\xFF\x00\xFF\xFF\xFF\x00\xFF\x00", "\xFF\x00\xFF\xFF\xFF\x00\xFF\xFF", |
| 242 | "\xFF\x00\xFF\xFF\xFF\xFF\x00\x00", "\xFF\x00\xFF\xFF\xFF\xFF\x00\xFF", |
| 243 | "\xFF\x00\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\x00\xFF\xFF\xFF\xFF\xFF\xFF", |
| 244 | "\xFF\xFF\x00\x00\x00\x00\x00\x00", "\xFF\xFF\x00\x00\x00\x00\x00\xFF", |
| 245 | "\xFF\xFF\x00\x00\x00\x00\xFF\x00", "\xFF\xFF\x00\x00\x00\x00\xFF\xFF", |
| 246 | "\xFF\xFF\x00\x00\x00\xFF\x00\x00", "\xFF\xFF\x00\x00\x00\xFF\x00\xFF", |
| 247 | "\xFF\xFF\x00\x00\x00\xFF\xFF\x00", "\xFF\xFF\x00\x00\x00\xFF\xFF\xFF", |
| 248 | "\xFF\xFF\x00\x00\xFF\x00\x00\x00", "\xFF\xFF\x00\x00\xFF\x00\x00\xFF", |
| 249 | "\xFF\xFF\x00\x00\xFF\x00\xFF\x00", "\xFF\xFF\x00\x00\xFF\x00\xFF\xFF", |
| 250 | "\xFF\xFF\x00\x00\xFF\xFF\x00\x00", "\xFF\xFF\x00\x00\xFF\xFF\x00\xFF", |
| 251 | "\xFF\xFF\x00\x00\xFF\xFF\xFF\x00", "\xFF\xFF\x00\x00\xFF\xFF\xFF\xFF", |
| 252 | "\xFF\xFF\x00\xFF\x00\x00\x00\x00", "\xFF\xFF\x00\xFF\x00\x00\x00\xFF", |
| 253 | "\xFF\xFF\x00\xFF\x00\x00\xFF\x00", "\xFF\xFF\x00\xFF\x00\x00\xFF\xFF", |
| 254 | "\xFF\xFF\x00\xFF\x00\xFF\x00\x00", "\xFF\xFF\x00\xFF\x00\xFF\x00\xFF", |
| 255 | "\xFF\xFF\x00\xFF\x00\xFF\xFF\x00", "\xFF\xFF\x00\xFF\x00\xFF\xFF\xFF", |
| 256 | "\xFF\xFF\x00\xFF\xFF\x00\x00\x00", "\xFF\xFF\x00\xFF\xFF\x00\x00\xFF", |
| 257 | "\xFF\xFF\x00\xFF\xFF\x00\xFF\x00", "\xFF\xFF\x00\xFF\xFF\x00\xFF\xFF", |
| 258 | "\xFF\xFF\x00\xFF\xFF\xFF\x00\x00", "\xFF\xFF\x00\xFF\xFF\xFF\x00\xFF", |
| 259 | "\xFF\xFF\x00\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\x00\xFF\xFF\xFF\xFF\xFF", |
| 260 | "\xFF\xFF\xFF\x00\x00\x00\x00\x00", "\xFF\xFF\xFF\x00\x00\x00\x00\xFF", |
| 261 | "\xFF\xFF\xFF\x00\x00\x00\xFF\x00", "\xFF\xFF\xFF\x00\x00\x00\xFF\xFF", |
| 262 | "\xFF\xFF\xFF\x00\x00\xFF\x00\x00", "\xFF\xFF\xFF\x00\x00\xFF\x00\xFF", |
| 263 | "\xFF\xFF\xFF\x00\x00\xFF\xFF\x00", "\xFF\xFF\xFF\x00\x00\xFF\xFF\xFF", |
| 264 | "\xFF\xFF\xFF\x00\xFF\x00\x00\x00", "\xFF\xFF\xFF\x00\xFF\x00\x00\xFF", |
| 265 | "\xFF\xFF\xFF\x00\xFF\x00\xFF\x00", "\xFF\xFF\xFF\x00\xFF\x00\xFF\xFF", |
| 266 | "\xFF\xFF\xFF\x00\xFF\xFF\x00\x00", "\xFF\xFF\xFF\x00\xFF\xFF\x00\xFF", |
| 267 | "\xFF\xFF\xFF\x00\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\x00\xFF\xFF\xFF\xFF", |
| 268 | "\xFF\xFF\xFF\xFF\x00\x00\x00\x00", "\xFF\xFF\xFF\xFF\x00\x00\x00\xFF", |
| 269 | "\xFF\xFF\xFF\xFF\x00\x00\xFF\x00", "\xFF\xFF\xFF\xFF\x00\x00\xFF\xFF", |
| 270 | "\xFF\xFF\xFF\xFF\x00\xFF\x00\x00", "\xFF\xFF\xFF\xFF\x00\xFF\x00\xFF", |
| 271 | "\xFF\xFF\xFF\xFF\x00\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\x00\xFF\xFF\xFF", |
| 272 | "\xFF\xFF\xFF\xFF\xFF\x00\x00\x00", "\xFF\xFF\xFF\xFF\xFF\x00\x00\xFF", |
| 273 | "\xFF\xFF\xFF\xFF\xFF\x00\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\x00\xFF\xFF", |
| 274 | "\xFF\xFF\xFF\xFF\xFF\xFF\x00\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\x00\xFF", |
| 275 | "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", |
| 276 | ]; |
| 277 | |
| 278 | /** |
| 279 | * IP mapping helper table. |
| 280 | * |
| 281 | * Indexing this table with each source byte performs the initial bit permutation. |
| 282 | * |
| 283 | * @var array |
| 284 | */ |
| 285 | protected static $ipmap = [ |
| 286 | 0x00, 0x10, 0x01, 0x11, 0x20, 0x30, 0x21, 0x31, |
| 287 | 0x02, 0x12, 0x03, 0x13, 0x22, 0x32, 0x23, 0x33, |
| 288 | 0x40, 0x50, 0x41, 0x51, 0x60, 0x70, 0x61, 0x71, |
| 289 | 0x42, 0x52, 0x43, 0x53, 0x62, 0x72, 0x63, 0x73, |
| 290 | 0x04, 0x14, 0x05, 0x15, 0x24, 0x34, 0x25, 0x35, |
| 291 | 0x06, 0x16, 0x07, 0x17, 0x26, 0x36, 0x27, 0x37, |
| 292 | 0x44, 0x54, 0x45, 0x55, 0x64, 0x74, 0x65, 0x75, |
| 293 | 0x46, 0x56, 0x47, 0x57, 0x66, 0x76, 0x67, 0x77, |
| 294 | 0x80, 0x90, 0x81, 0x91, 0xA0, 0xB0, 0xA1, 0xB1, |
| 295 | 0x82, 0x92, 0x83, 0x93, 0xA2, 0xB2, 0xA3, 0xB3, |
| 296 | 0xC0, 0xD0, 0xC1, 0xD1, 0xE0, 0xF0, 0xE1, 0xF1, |
| 297 | 0xC2, 0xD2, 0xC3, 0xD3, 0xE2, 0xF2, 0xE3, 0xF3, |
| 298 | 0x84, 0x94, 0x85, 0x95, 0xA4, 0xB4, 0xA5, 0xB5, |
| 299 | 0x86, 0x96, 0x87, 0x97, 0xA6, 0xB6, 0xA7, 0xB7, |
| 300 | 0xC4, 0xD4, 0xC5, 0xD5, 0xE4, 0xF4, 0xE5, 0xF5, |
| 301 | 0xC6, 0xD6, 0xC7, 0xD7, 0xE6, 0xF6, 0xE7, 0xF7, |
| 302 | 0x08, 0x18, 0x09, 0x19, 0x28, 0x38, 0x29, 0x39, |
| 303 | 0x0A, 0x1A, 0x0B, 0x1B, 0x2A, 0x3A, 0x2B, 0x3B, |
| 304 | 0x48, 0x58, 0x49, 0x59, 0x68, 0x78, 0x69, 0x79, |
| 305 | 0x4A, 0x5A, 0x4B, 0x5B, 0x6A, 0x7A, 0x6B, 0x7B, |
| 306 | 0x0C, 0x1C, 0x0D, 0x1D, 0x2C, 0x3C, 0x2D, 0x3D, |
| 307 | 0x0E, 0x1E, 0x0F, 0x1F, 0x2E, 0x3E, 0x2F, 0x3F, |
| 308 | 0x4C, 0x5C, 0x4D, 0x5D, 0x6C, 0x7C, 0x6D, 0x7D, |
| 309 | 0x4E, 0x5E, 0x4F, 0x5F, 0x6E, 0x7E, 0x6F, 0x7F, |
| 310 | 0x88, 0x98, 0x89, 0x99, 0xA8, 0xB8, 0xA9, 0xB9, |
| 311 | 0x8A, 0x9A, 0x8B, 0x9B, 0xAA, 0xBA, 0xAB, 0xBB, |
| 312 | 0xC8, 0xD8, 0xC9, 0xD9, 0xE8, 0xF8, 0xE9, 0xF9, |
| 313 | 0xCA, 0xDA, 0xCB, 0xDB, 0xEA, 0xFA, 0xEB, 0xFB, |
| 314 | 0x8C, 0x9C, 0x8D, 0x9D, 0xAC, 0xBC, 0xAD, 0xBD, |
| 315 | 0x8E, 0x9E, 0x8F, 0x9F, 0xAE, 0xBE, 0xAF, 0xBF, |
| 316 | 0xCC, 0xDC, 0xCD, 0xDD, 0xEC, 0xFC, 0xED, 0xFD, |
| 317 | 0xCE, 0xDE, 0xCF, 0xDF, 0xEE, 0xFE, 0xEF, 0xFF, |
| 318 | ]; |
| 319 | |
| 320 | /** |
| 321 | * Inverse IP mapping helper table. |
| 322 | * Indexing this table with a byte value reverses the bit order. |
| 323 | * |
| 324 | * @var array |
| 325 | */ |
| 326 | protected static $invipmap = [ |
| 327 | 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, |
| 328 | 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0, |
| 329 | 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, |
| 330 | 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, |
| 331 | 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, |
| 332 | 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4, |
| 333 | 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, |
| 334 | 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC, |
| 335 | 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, |
| 336 | 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, |
| 337 | 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, |
| 338 | 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA, |
| 339 | 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, |
| 340 | 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6, |
| 341 | 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, |
| 342 | 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, |
| 343 | 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, |
| 344 | 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1, |
| 345 | 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, |
| 346 | 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9, |
| 347 | 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, |
| 348 | 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, |
| 349 | 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, |
| 350 | 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD, |
| 351 | 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, |
| 352 | 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3, |
| 353 | 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, |
| 354 | 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, |
| 355 | 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, |
| 356 | 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7, |
| 357 | 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, |
| 358 | 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF, |
| 359 | ]; |
| 360 | |
| 361 | /** |
| 362 | * Pre-permuted S-box1 |
| 363 | * |
| 364 | * Each box ($sbox1-$sbox8) has been vectorized, then each value pre-permuted using the |
| 365 | * P table: concatenation can then be replaced by exclusive ORs. |
| 366 | * |
| 367 | * @var array |
| 368 | */ |
| 369 | protected static $sbox1 = [ |
| 370 | 0x00808200, 0x00000000, 0x00008000, 0x00808202, |
| 371 | 0x00808002, 0x00008202, 0x00000002, 0x00008000, |
| 372 | 0x00000200, 0x00808200, 0x00808202, 0x00000200, |
| 373 | 0x00800202, 0x00808002, 0x00800000, 0x00000002, |
| 374 | 0x00000202, 0x00800200, 0x00800200, 0x00008200, |
| 375 | 0x00008200, 0x00808000, 0x00808000, 0x00800202, |
| 376 | 0x00008002, 0x00800002, 0x00800002, 0x00008002, |
| 377 | 0x00000000, 0x00000202, 0x00008202, 0x00800000, |
| 378 | 0x00008000, 0x00808202, 0x00000002, 0x00808000, |
| 379 | 0x00808200, 0x00800000, 0x00800000, 0x00000200, |
| 380 | 0x00808002, 0x00008000, 0x00008200, 0x00800002, |
| 381 | 0x00000200, 0x00000002, 0x00800202, 0x00008202, |
| 382 | 0x00808202, 0x00008002, 0x00808000, 0x00800202, |
| 383 | 0x00800002, 0x00000202, 0x00008202, 0x00808200, |
| 384 | 0x00000202, 0x00800200, 0x00800200, 0x00000000, |
| 385 | 0x00008002, 0x00008200, 0x00000000, 0x00808002, |
| 386 | ]; |
| 387 | |
| 388 | /** |
| 389 | * Pre-permuted S-box2 |
| 390 | * |
| 391 | * @var array |
| 392 | */ |
| 393 | protected static $sbox2 = [ |
| 394 | 0x40084010, 0x40004000, 0x00004000, 0x00084010, |
| 395 | 0x00080000, 0x00000010, 0x40080010, 0x40004010, |
| 396 | 0x40000010, 0x40084010, 0x40084000, 0x40000000, |
| 397 | 0x40004000, 0x00080000, 0x00000010, 0x40080010, |
| 398 | 0x00084000, 0x00080010, 0x40004010, 0x00000000, |
| 399 | 0x40000000, 0x00004000, 0x00084010, 0x40080000, |
| 400 | 0x00080010, 0x40000010, 0x00000000, 0x00084000, |
| 401 | 0x00004010, 0x40084000, 0x40080000, 0x00004010, |
| 402 | 0x00000000, 0x00084010, 0x40080010, 0x00080000, |
| 403 | 0x40004010, 0x40080000, 0x40084000, 0x00004000, |
| 404 | 0x40080000, 0x40004000, 0x00000010, 0x40084010, |
| 405 | 0x00084010, 0x00000010, 0x00004000, 0x40000000, |
| 406 | 0x00004010, 0x40084000, 0x00080000, 0x40000010, |
| 407 | 0x00080010, 0x40004010, 0x40000010, 0x00080010, |
| 408 | 0x00084000, 0x00000000, 0x40004000, 0x00004010, |
| 409 | 0x40000000, 0x40080010, 0x40084010, 0x00084000, |
| 410 | ]; |
| 411 | |
| 412 | /** |
| 413 | * Pre-permuted S-box3 |
| 414 | * |
| 415 | * @var array |
| 416 | */ |
| 417 | protected static $sbox3 = [ |
| 418 | 0x00000104, 0x04010100, 0x00000000, 0x04010004, |
| 419 | 0x04000100, 0x00000000, 0x00010104, 0x04000100, |
| 420 | 0x00010004, 0x04000004, 0x04000004, 0x00010000, |
| 421 | 0x04010104, 0x00010004, 0x04010000, 0x00000104, |
| 422 | 0x04000000, 0x00000004, 0x04010100, 0x00000100, |
| 423 | 0x00010100, 0x04010000, 0x04010004, 0x00010104, |
| 424 | 0x04000104, 0x00010100, 0x00010000, 0x04000104, |
| 425 | 0x00000004, 0x04010104, 0x00000100, 0x04000000, |
| 426 | 0x04010100, 0x04000000, 0x00010004, 0x00000104, |
| 427 | 0x00010000, 0x04010100, 0x04000100, 0x00000000, |
| 428 | 0x00000100, 0x00010004, 0x04010104, 0x04000100, |
| 429 | 0x04000004, 0x00000100, 0x00000000, 0x04010004, |
| 430 | 0x04000104, 0x00010000, 0x04000000, 0x04010104, |
| 431 | 0x00000004, 0x00010104, 0x00010100, 0x04000004, |
| 432 | 0x04010000, 0x04000104, 0x00000104, 0x04010000, |
| 433 | 0x00010104, 0x00000004, 0x04010004, 0x00010100, |
| 434 | ]; |
| 435 | |
| 436 | /** |
| 437 | * Pre-permuted S-box4 |
| 438 | * |
| 439 | * @var array |
| 440 | */ |
| 441 | protected static $sbox4 = [ |
| 442 | 0x80401000, 0x80001040, 0x80001040, 0x00000040, |
| 443 | 0x00401040, 0x80400040, 0x80400000, 0x80001000, |
| 444 | 0x00000000, 0x00401000, 0x00401000, 0x80401040, |
| 445 | 0x80000040, 0x00000000, 0x00400040, 0x80400000, |
| 446 | 0x80000000, 0x00001000, 0x00400000, 0x80401000, |
| 447 | 0x00000040, 0x00400000, 0x80001000, 0x00001040, |
| 448 | 0x80400040, 0x80000000, 0x00001040, 0x00400040, |
| 449 | 0x00001000, 0x00401040, 0x80401040, 0x80000040, |
| 450 | 0x00400040, 0x80400000, 0x00401000, 0x80401040, |
| 451 | 0x80000040, 0x00000000, 0x00000000, 0x00401000, |
| 452 | 0x00001040, 0x00400040, 0x80400040, 0x80000000, |
| 453 | 0x80401000, 0x80001040, 0x80001040, 0x00000040, |
| 454 | 0x80401040, 0x80000040, 0x80000000, 0x00001000, |
| 455 | 0x80400000, 0x80001000, 0x00401040, 0x80400040, |
| 456 | 0x80001000, 0x00001040, 0x00400000, 0x80401000, |
| 457 | 0x00000040, 0x00400000, 0x00001000, 0x00401040, |
| 458 | ]; |
| 459 | |
| 460 | /** |
| 461 | * Pre-permuted S-box5 |
| 462 | * |
| 463 | * @var array |
| 464 | */ |
| 465 | protected static $sbox5 = [ |
| 466 | 0x00000080, 0x01040080, 0x01040000, 0x21000080, |
| 467 | 0x00040000, 0x00000080, 0x20000000, 0x01040000, |
| 468 | 0x20040080, 0x00040000, 0x01000080, 0x20040080, |
| 469 | 0x21000080, 0x21040000, 0x00040080, 0x20000000, |
| 470 | 0x01000000, 0x20040000, 0x20040000, 0x00000000, |
| 471 | 0x20000080, 0x21040080, 0x21040080, 0x01000080, |
| 472 | 0x21040000, 0x20000080, 0x00000000, 0x21000000, |
| 473 | 0x01040080, 0x01000000, 0x21000000, 0x00040080, |
| 474 | 0x00040000, 0x21000080, 0x00000080, 0x01000000, |
| 475 | 0x20000000, 0x01040000, 0x21000080, 0x20040080, |
| 476 | 0x01000080, 0x20000000, 0x21040000, 0x01040080, |
| 477 | 0x20040080, 0x00000080, 0x01000000, 0x21040000, |
| 478 | 0x21040080, 0x00040080, 0x21000000, 0x21040080, |
| 479 | 0x01040000, 0x00000000, 0x20040000, 0x21000000, |
| 480 | 0x00040080, 0x01000080, 0x20000080, 0x00040000, |
| 481 | 0x00000000, 0x20040000, 0x01040080, 0x20000080, |
| 482 | ]; |
| 483 | |
| 484 | /** |
| 485 | * Pre-permuted S-box6 |
| 486 | * |
| 487 | * @var array |
| 488 | */ |
| 489 | protected static $sbox6 = [ |
| 490 | 0x10000008, 0x10200000, 0x00002000, 0x10202008, |
| 491 | 0x10200000, 0x00000008, 0x10202008, 0x00200000, |
| 492 | 0x10002000, 0x00202008, 0x00200000, 0x10000008, |
| 493 | 0x00200008, 0x10002000, 0x10000000, 0x00002008, |
| 494 | 0x00000000, 0x00200008, 0x10002008, 0x00002000, |
| 495 | 0x00202000, 0x10002008, 0x00000008, 0x10200008, |
| 496 | 0x10200008, 0x00000000, 0x00202008, 0x10202000, |
| 497 | 0x00002008, 0x00202000, 0x10202000, 0x10000000, |
| 498 | 0x10002000, 0x00000008, 0x10200008, 0x00202000, |
| 499 | 0x10202008, 0x00200000, 0x00002008, 0x10000008, |
| 500 | 0x00200000, 0x10002000, 0x10000000, 0x00002008, |
| 501 | 0x10000008, 0x10202008, 0x00202000, 0x10200000, |
| 502 | 0x00202008, 0x10202000, 0x00000000, 0x10200008, |
| 503 | 0x00000008, 0x00002000, 0x10200000, 0x00202008, |
| 504 | 0x00002000, 0x00200008, 0x10002008, 0x00000000, |
| 505 | 0x10202000, 0x10000000, 0x00200008, 0x10002008, |
| 506 | ]; |
| 507 | |
| 508 | /** |
| 509 | * Pre-permuted S-box7 |
| 510 | * |
| 511 | * @var array |
| 512 | */ |
| 513 | protected static $sbox7 = [ |
| 514 | 0x00100000, 0x02100001, 0x02000401, 0x00000000, |
| 515 | 0x00000400, 0x02000401, 0x00100401, 0x02100400, |
| 516 | 0x02100401, 0x00100000, 0x00000000, 0x02000001, |
| 517 | 0x00000001, 0x02000000, 0x02100001, 0x00000401, |
| 518 | 0x02000400, 0x00100401, 0x00100001, 0x02000400, |
| 519 | 0x02000001, 0x02100000, 0x02100400, 0x00100001, |
| 520 | 0x02100000, 0x00000400, 0x00000401, 0x02100401, |
| 521 | 0x00100400, 0x00000001, 0x02000000, 0x00100400, |
| 522 | 0x02000000, 0x00100400, 0x00100000, 0x02000401, |
| 523 | 0x02000401, 0x02100001, 0x02100001, 0x00000001, |
| 524 | 0x00100001, 0x02000000, 0x02000400, 0x00100000, |
| 525 | 0x02100400, 0x00000401, 0x00100401, 0x02100400, |
| 526 | 0x00000401, 0x02000001, 0x02100401, 0x02100000, |
| 527 | 0x00100400, 0x00000000, 0x00000001, 0x02100401, |
| 528 | 0x00000000, 0x00100401, 0x02100000, 0x00000400, |
| 529 | 0x02000001, 0x02000400, 0x00000400, 0x00100001, |
| 530 | ]; |
| 531 | |
| 532 | /** |
| 533 | * Pre-permuted S-box8 |
| 534 | * |
| 535 | * @var array |
| 536 | */ |
| 537 | protected static $sbox8 = [ |
| 538 | 0x08000820, 0x00000800, 0x00020000, 0x08020820, |
| 539 | 0x08000000, 0x08000820, 0x00000020, 0x08000000, |
| 540 | 0x00020020, 0x08020000, 0x08020820, 0x00020800, |
| 541 | 0x08020800, 0x00020820, 0x00000800, 0x00000020, |
| 542 | 0x08020000, 0x08000020, 0x08000800, 0x00000820, |
| 543 | 0x00020800, 0x00020020, 0x08020020, 0x08020800, |
| 544 | 0x00000820, 0x00000000, 0x00000000, 0x08020020, |
| 545 | 0x08000020, 0x08000800, 0x00020820, 0x00020000, |
| 546 | 0x00020820, 0x00020000, 0x08020800, 0x00000800, |
| 547 | 0x00000020, 0x08020020, 0x00000800, 0x00020820, |
| 548 | 0x08000800, 0x00000020, 0x08000020, 0x08020000, |
| 549 | 0x08020020, 0x08000000, 0x00020000, 0x08000820, |
| 550 | 0x00000000, 0x08020820, 0x00020020, 0x08000020, |
| 551 | 0x08020000, 0x08000800, 0x08000820, 0x00000000, |
| 552 | 0x08020820, 0x00020800, 0x00020800, 0x00000820, |
| 553 | 0x00000820, 0x00020020, 0x08000000, 0x08020800, |
| 554 | ]; |
| 555 | |
| 556 | /** |
| 557 | * Default Constructor. |
| 558 | * |
| 559 | * @throws BadModeException if an invalid / unsupported mode is provided |
| 560 | */ |
| 561 | public function __construct(string $mode) |
| 562 | { |
| 563 | parent::__construct($mode); |
| 564 | |
| 565 | if ($this->mode == self::MODE_STREAM) { |
| 566 | throw new BadModeException('Block ciphers cannot be ran in stream mode'); |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | /** |
| 571 | * Test for engine validity |
| 572 | * |
| 573 | * This is mainly just a wrapper to set things up for \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine() |
| 574 | * |
| 575 | * @see \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine() |
| 576 | */ |
| 577 | protected function isValidEngineHelper(int $engine): bool |
| 578 | { |
| 579 | if ($this->key_length_max == 8) { |
| 580 | if ($engine == self::ENGINE_OPENSSL) { |
| 581 | // quoting https://www.openssl.org/news/openssl-3.0-notes.html, OpenSSL 3.0.1 |
| 582 | // "Moved all variations of the EVP ciphers CAST5, BF, IDEA, SEED, RC2, RC4, RC5, and DES to the legacy provider" |
| 583 | // in theory openssl_get_cipher_methods() should catch this but, on GitHub Actions, at least, it does not |
| 584 | if (defined('OPENSSL_VERSION_TEXT') && version_compare(preg_replace('#OpenSSL (\d+\.\d+\.\d+) .*#', '$1', OPENSSL_VERSION_TEXT), '3.0.1', '>=')) { |
| 585 | return false; |
| 586 | } |
| 587 | $this->cipher_name_openssl_ecb = 'des-ecb'; |
| 588 | $this->cipher_name_openssl = 'des-' . $this->openssl_translate_mode(); |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | return parent::isValidEngineHelper($engine); |
| 593 | } |
| 594 | |
| 595 | /** |
| 596 | * Sets the key. |
| 597 | * |
| 598 | * Keys must be 64-bits long or 8 bytes long. |
| 599 | * |
| 600 | * DES also requires that every eighth bit be a parity bit, however, we'll ignore that. |
| 601 | * |
| 602 | * @see \phpseclib3\Crypt\Common\SymmetricKey::setKey() |
| 603 | */ |
| 604 | public function setKey(string $key): void |
| 605 | { |
| 606 | if (!($this instanceof TripleDES) && strlen($key) != 8) { |
| 607 | throw new LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of size 8 are supported'); |
| 608 | } |
| 609 | |
| 610 | // Sets the key |
| 611 | parent::setKey($key); |
| 612 | } |
| 613 | |
| 614 | /** |
| 615 | * Encrypts a block |
| 616 | * |
| 617 | * @see self::encrypt() |
| 618 | * @see \phpseclib3\Crypt\Common\SymmetricKey::encryptBlock() |
| 619 | * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt() |
| 620 | */ |
| 621 | protected function encryptBlock(string $in): string |
| 622 | { |
| 623 | return $this->processBlock($in, self::ENCRYPT); |
| 624 | } |
| 625 | |
| 626 | /** |
| 627 | * Decrypts a block |
| 628 | * |
| 629 | * @see self::decrypt() |
| 630 | * @see \phpseclib3\Crypt\Common\SymmetricKey::decryptBlock() |
| 631 | * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt() |
| 632 | */ |
| 633 | protected function decryptBlock(string $in): string |
| 634 | { |
| 635 | return $this->processBlock($in, self::DECRYPT); |
| 636 | } |
| 637 | |
| 638 | /** |
| 639 | * Encrypts or decrypts a 64-bit block |
| 640 | * |
| 641 | * $mode should be either self::ENCRYPT or self::DECRYPT. See |
| 642 | * {@link http://en.wikipedia.org/wiki/Image:Feistel.png Feistel.png} to get a general |
| 643 | * idea of what this function does. |
| 644 | * |
| 645 | * @return string |
| 646 | * @see self::decryptBlock() |
| 647 | * @see self::encryptBlock() |
| 648 | */ |
| 649 | private function processBlock(string $block, int $mode) |
| 650 | { |
| 651 | static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip; |
| 652 | if (!$sbox1) { |
| 653 | $sbox1 = array_map('intval', self::$sbox1); |
| 654 | $sbox2 = array_map('intval', self::$sbox2); |
| 655 | $sbox3 = array_map('intval', self::$sbox3); |
| 656 | $sbox4 = array_map('intval', self::$sbox4); |
| 657 | $sbox5 = array_map('intval', self::$sbox5); |
| 658 | $sbox6 = array_map('intval', self::$sbox6); |
| 659 | $sbox7 = array_map('intval', self::$sbox7); |
| 660 | $sbox8 = array_map('intval', self::$sbox8); |
| 661 | /* Merge $shuffle with $[inv]ipmap */ |
| 662 | for ($i = 0; $i < 256; ++$i) { |
| 663 | $shuffleip[] = self::$shuffle[self::$ipmap[$i]]; |
| 664 | $shuffleinvip[] = self::$shuffle[self::$invipmap[$i]]; |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | $keys = $this->keys[$mode]; |
| 669 | $ki = -1; |
| 670 | |
| 671 | // Do the initial IP permutation. |
| 672 | $t = unpack('Nl/Nr', $block); |
| 673 | [$l, $r] = [$t['l'], $t['r']]; |
| 674 | $block = ($shuffleip[ $r & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | |
| 675 | ($shuffleip[($r >> 8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | |
| 676 | ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | |
| 677 | ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | |
| 678 | ($shuffleip[ $l & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | |
| 679 | ($shuffleip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | |
| 680 | ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | |
| 681 | ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01"); |
| 682 | |
| 683 | // Extract L0 and R0. |
| 684 | $t = unpack('Nl/Nr', $block); |
| 685 | [$l, $r] = [$t['l'], $t['r']]; |
| 686 | |
| 687 | for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) { |
| 688 | // Perform the 16 steps. |
| 689 | for ($i = 0; $i < 16; $i++) { |
| 690 | // start of "the Feistel (F) function" - see the following URL: |
| 691 | // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png |
| 692 | // Merge key schedule. |
| 693 | $b1 = (($r >> 3) & 0x1FFFFFFF) ^ ($r << 29) ^ $keys[++$ki]; |
| 694 | $b2 = (($r >> 31) & 0x00000001) ^ ($r << 1) ^ $keys[++$ki]; |
| 695 | |
| 696 | // S-box indexing. |
| 697 | $t = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^ |
| 698 | $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^ |
| 699 | $sbox5[($b1 >> 8) & 0x3F] ^ $sbox6[($b2 >> 8) & 0x3F] ^ |
| 700 | $sbox7[ $b1 & 0x3F] ^ $sbox8[ $b2 & 0x3F] ^ $l; |
| 701 | // end of "the Feistel (F) function" |
| 702 | |
| 703 | $l = $r; |
| 704 | $r = $t; |
| 705 | } |
| 706 | |
| 707 | // Last step should not permute L & R. |
| 708 | $t = $l; |
| 709 | $l = $r; |
| 710 | $r = $t; |
| 711 | } |
| 712 | |
| 713 | // Perform the inverse IP permutation. |
| 714 | return ($shuffleinvip[($r >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | |
| 715 | ($shuffleinvip[($l >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | |
| 716 | ($shuffleinvip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | |
| 717 | ($shuffleinvip[($l >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | |
| 718 | ($shuffleinvip[($r >> 8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | |
| 719 | ($shuffleinvip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | |
| 720 | ($shuffleinvip[ $r & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | |
| 721 | ($shuffleinvip[ $l & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01"); |
| 722 | } |
| 723 | |
| 724 | /** |
| 725 | * Creates the key schedule |
| 726 | * |
| 727 | * @see \phpseclib3\Crypt\Common\SymmetricKey::setupKey() |
| 728 | */ |
| 729 | protected function setupKey(): void |
| 730 | { |
| 731 | if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->des_rounds === $this->kl['des_rounds']) { |
| 732 | // already expanded |
| 733 | return; |
| 734 | } |
| 735 | $this->kl = ['key' => $this->key, 'des_rounds' => $this->des_rounds]; |
| 736 | |
| 737 | static $shifts = [ // number of key bits shifted per round |
| 738 | 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, |
| 739 | ]; |
| 740 | |
| 741 | static $pc1map = [ |
| 742 | 0x00, 0x00, 0x08, 0x08, 0x04, 0x04, 0x0C, 0x0C, |
| 743 | 0x02, 0x02, 0x0A, 0x0A, 0x06, 0x06, 0x0E, 0x0E, |
| 744 | 0x10, 0x10, 0x18, 0x18, 0x14, 0x14, 0x1C, 0x1C, |
| 745 | 0x12, 0x12, 0x1A, 0x1A, 0x16, 0x16, 0x1E, 0x1E, |
| 746 | 0x20, 0x20, 0x28, 0x28, 0x24, 0x24, 0x2C, 0x2C, |
| 747 | 0x22, 0x22, 0x2A, 0x2A, 0x26, 0x26, 0x2E, 0x2E, |
| 748 | 0x30, 0x30, 0x38, 0x38, 0x34, 0x34, 0x3C, 0x3C, |
| 749 | 0x32, 0x32, 0x3A, 0x3A, 0x36, 0x36, 0x3E, 0x3E, |
| 750 | 0x40, 0x40, 0x48, 0x48, 0x44, 0x44, 0x4C, 0x4C, |
| 751 | 0x42, 0x42, 0x4A, 0x4A, 0x46, 0x46, 0x4E, 0x4E, |
| 752 | 0x50, 0x50, 0x58, 0x58, 0x54, 0x54, 0x5C, 0x5C, |
| 753 | 0x52, 0x52, 0x5A, 0x5A, 0x56, 0x56, 0x5E, 0x5E, |
| 754 | 0x60, 0x60, 0x68, 0x68, 0x64, 0x64, 0x6C, 0x6C, |
| 755 | 0x62, 0x62, 0x6A, 0x6A, 0x66, 0x66, 0x6E, 0x6E, |
| 756 | 0x70, 0x70, 0x78, 0x78, 0x74, 0x74, 0x7C, 0x7C, |
| 757 | 0x72, 0x72, 0x7A, 0x7A, 0x76, 0x76, 0x7E, 0x7E, |
| 758 | 0x80, 0x80, 0x88, 0x88, 0x84, 0x84, 0x8C, 0x8C, |
| 759 | 0x82, 0x82, 0x8A, 0x8A, 0x86, 0x86, 0x8E, 0x8E, |
| 760 | 0x90, 0x90, 0x98, 0x98, 0x94, 0x94, 0x9C, 0x9C, |
| 761 | 0x92, 0x92, 0x9A, 0x9A, 0x96, 0x96, 0x9E, 0x9E, |
| 762 | 0xA0, 0xA0, 0xA8, 0xA8, 0xA4, 0xA4, 0xAC, 0xAC, |
| 763 | 0xA2, 0xA2, 0xAA, 0xAA, 0xA6, 0xA6, 0xAE, 0xAE, |
| 764 | 0xB0, 0xB0, 0xB8, 0xB8, 0xB4, 0xB4, 0xBC, 0xBC, |
| 765 | 0xB2, 0xB2, 0xBA, 0xBA, 0xB6, 0xB6, 0xBE, 0xBE, |
| 766 | 0xC0, 0xC0, 0xC8, 0xC8, 0xC4, 0xC4, 0xCC, 0xCC, |
| 767 | 0xC2, 0xC2, 0xCA, 0xCA, 0xC6, 0xC6, 0xCE, 0xCE, |
| 768 | 0xD0, 0xD0, 0xD8, 0xD8, 0xD4, 0xD4, 0xDC, 0xDC, |
| 769 | 0xD2, 0xD2, 0xDA, 0xDA, 0xD6, 0xD6, 0xDE, 0xDE, |
| 770 | 0xE0, 0xE0, 0xE8, 0xE8, 0xE4, 0xE4, 0xEC, 0xEC, |
| 771 | 0xE2, 0xE2, 0xEA, 0xEA, 0xE6, 0xE6, 0xEE, 0xEE, |
| 772 | 0xF0, 0xF0, 0xF8, 0xF8, 0xF4, 0xF4, 0xFC, 0xFC, |
| 773 | 0xF2, 0xF2, 0xFA, 0xFA, 0xF6, 0xF6, 0xFE, 0xFE, |
| 774 | ]; |
| 775 | |
| 776 | // Mapping tables for the PC-2 transformation. |
| 777 | static $pc2mapc1 = [ |
| 778 | 0x00000000, 0x00000400, 0x00200000, 0x00200400, |
| 779 | 0x00000001, 0x00000401, 0x00200001, 0x00200401, |
| 780 | 0x02000000, 0x02000400, 0x02200000, 0x02200400, |
| 781 | 0x02000001, 0x02000401, 0x02200001, 0x02200401, |
| 782 | ]; |
| 783 | static $pc2mapc2 = [ |
| 784 | 0x00000000, 0x00000800, 0x08000000, 0x08000800, |
| 785 | 0x00010000, 0x00010800, 0x08010000, 0x08010800, |
| 786 | 0x00000000, 0x00000800, 0x08000000, 0x08000800, |
| 787 | 0x00010000, 0x00010800, 0x08010000, 0x08010800, |
| 788 | 0x00000100, 0x00000900, 0x08000100, 0x08000900, |
| 789 | 0x00010100, 0x00010900, 0x08010100, 0x08010900, |
| 790 | 0x00000100, 0x00000900, 0x08000100, 0x08000900, |
| 791 | 0x00010100, 0x00010900, 0x08010100, 0x08010900, |
| 792 | 0x00000010, 0x00000810, 0x08000010, 0x08000810, |
| 793 | 0x00010010, 0x00010810, 0x08010010, 0x08010810, |
| 794 | 0x00000010, 0x00000810, 0x08000010, 0x08000810, |
| 795 | 0x00010010, 0x00010810, 0x08010010, 0x08010810, |
| 796 | 0x00000110, 0x00000910, 0x08000110, 0x08000910, |
| 797 | 0x00010110, 0x00010910, 0x08010110, 0x08010910, |
| 798 | 0x00000110, 0x00000910, 0x08000110, 0x08000910, |
| 799 | 0x00010110, 0x00010910, 0x08010110, 0x08010910, |
| 800 | 0x00040000, 0x00040800, 0x08040000, 0x08040800, |
| 801 | 0x00050000, 0x00050800, 0x08050000, 0x08050800, |
| 802 | 0x00040000, 0x00040800, 0x08040000, 0x08040800, |
| 803 | 0x00050000, 0x00050800, 0x08050000, 0x08050800, |
| 804 | 0x00040100, 0x00040900, 0x08040100, 0x08040900, |
| 805 | 0x00050100, 0x00050900, 0x08050100, 0x08050900, |
| 806 | 0x00040100, 0x00040900, 0x08040100, 0x08040900, |
| 807 | 0x00050100, 0x00050900, 0x08050100, 0x08050900, |
| 808 | 0x00040010, 0x00040810, 0x08040010, 0x08040810, |
| 809 | 0x00050010, 0x00050810, 0x08050010, 0x08050810, |
| 810 | 0x00040010, 0x00040810, 0x08040010, 0x08040810, |
| 811 | 0x00050010, 0x00050810, 0x08050010, 0x08050810, |
| 812 | 0x00040110, 0x00040910, 0x08040110, 0x08040910, |
| 813 | 0x00050110, 0x00050910, 0x08050110, 0x08050910, |
| 814 | 0x00040110, 0x00040910, 0x08040110, 0x08040910, |
| 815 | 0x00050110, 0x00050910, 0x08050110, 0x08050910, |
| 816 | 0x01000000, 0x01000800, 0x09000000, 0x09000800, |
| 817 | 0x01010000, 0x01010800, 0x09010000, 0x09010800, |
| 818 | 0x01000000, 0x01000800, 0x09000000, 0x09000800, |
| 819 | 0x01010000, 0x01010800, 0x09010000, 0x09010800, |
| 820 | 0x01000100, 0x01000900, 0x09000100, 0x09000900, |
| 821 | 0x01010100, 0x01010900, 0x09010100, 0x09010900, |
| 822 | 0x01000100, 0x01000900, 0x09000100, 0x09000900, |
| 823 | 0x01010100, 0x01010900, 0x09010100, 0x09010900, |
| 824 | 0x01000010, 0x01000810, 0x09000010, 0x09000810, |
| 825 | 0x01010010, 0x01010810, 0x09010010, 0x09010810, |
| 826 | 0x01000010, 0x01000810, 0x09000010, 0x09000810, |
| 827 | 0x01010010, 0x01010810, 0x09010010, 0x09010810, |
| 828 | 0x01000110, 0x01000910, 0x09000110, 0x09000910, |
| 829 | 0x01010110, 0x01010910, 0x09010110, 0x09010910, |
| 830 | 0x01000110, 0x01000910, 0x09000110, 0x09000910, |
| 831 | 0x01010110, 0x01010910, 0x09010110, 0x09010910, |
| 832 | 0x01040000, 0x01040800, 0x09040000, 0x09040800, |
| 833 | 0x01050000, 0x01050800, 0x09050000, 0x09050800, |
| 834 | 0x01040000, 0x01040800, 0x09040000, 0x09040800, |
| 835 | 0x01050000, 0x01050800, 0x09050000, 0x09050800, |
| 836 | 0x01040100, 0x01040900, 0x09040100, 0x09040900, |
| 837 | 0x01050100, 0x01050900, 0x09050100, 0x09050900, |
| 838 | 0x01040100, 0x01040900, 0x09040100, 0x09040900, |
| 839 | 0x01050100, 0x01050900, 0x09050100, 0x09050900, |
| 840 | 0x01040010, 0x01040810, 0x09040010, 0x09040810, |
| 841 | 0x01050010, 0x01050810, 0x09050010, 0x09050810, |
| 842 | 0x01040010, 0x01040810, 0x09040010, 0x09040810, |
| 843 | 0x01050010, 0x01050810, 0x09050010, 0x09050810, |
| 844 | 0x01040110, 0x01040910, 0x09040110, 0x09040910, |
| 845 | 0x01050110, 0x01050910, 0x09050110, 0x09050910, |
| 846 | 0x01040110, 0x01040910, 0x09040110, 0x09040910, |
| 847 | 0x01050110, 0x01050910, 0x09050110, 0x09050910, |
| 848 | ]; |
| 849 | static $pc2mapc3 = [ |
| 850 | 0x00000000, 0x00000004, 0x00001000, 0x00001004, |
| 851 | 0x00000000, 0x00000004, 0x00001000, 0x00001004, |
| 852 | 0x10000000, 0x10000004, 0x10001000, 0x10001004, |
| 853 | 0x10000000, 0x10000004, 0x10001000, 0x10001004, |
| 854 | 0x00000020, 0x00000024, 0x00001020, 0x00001024, |
| 855 | 0x00000020, 0x00000024, 0x00001020, 0x00001024, |
| 856 | 0x10000020, 0x10000024, 0x10001020, 0x10001024, |
| 857 | 0x10000020, 0x10000024, 0x10001020, 0x10001024, |
| 858 | 0x00080000, 0x00080004, 0x00081000, 0x00081004, |
| 859 | 0x00080000, 0x00080004, 0x00081000, 0x00081004, |
| 860 | 0x10080000, 0x10080004, 0x10081000, 0x10081004, |
| 861 | 0x10080000, 0x10080004, 0x10081000, 0x10081004, |
| 862 | 0x00080020, 0x00080024, 0x00081020, 0x00081024, |
| 863 | 0x00080020, 0x00080024, 0x00081020, 0x00081024, |
| 864 | 0x10080020, 0x10080024, 0x10081020, 0x10081024, |
| 865 | 0x10080020, 0x10080024, 0x10081020, 0x10081024, |
| 866 | 0x20000000, 0x20000004, 0x20001000, 0x20001004, |
| 867 | 0x20000000, 0x20000004, 0x20001000, 0x20001004, |
| 868 | 0x30000000, 0x30000004, 0x30001000, 0x30001004, |
| 869 | 0x30000000, 0x30000004, 0x30001000, 0x30001004, |
| 870 | 0x20000020, 0x20000024, 0x20001020, 0x20001024, |
| 871 | 0x20000020, 0x20000024, 0x20001020, 0x20001024, |
| 872 | 0x30000020, 0x30000024, 0x30001020, 0x30001024, |
| 873 | 0x30000020, 0x30000024, 0x30001020, 0x30001024, |
| 874 | 0x20080000, 0x20080004, 0x20081000, 0x20081004, |
| 875 | 0x20080000, 0x20080004, 0x20081000, 0x20081004, |
| 876 | 0x30080000, 0x30080004, 0x30081000, 0x30081004, |
| 877 | 0x30080000, 0x30080004, 0x30081000, 0x30081004, |
| 878 | 0x20080020, 0x20080024, 0x20081020, 0x20081024, |
| 879 | 0x20080020, 0x20080024, 0x20081020, 0x20081024, |
| 880 | 0x30080020, 0x30080024, 0x30081020, 0x30081024, |
| 881 | 0x30080020, 0x30080024, 0x30081020, 0x30081024, |
| 882 | 0x00000002, 0x00000006, 0x00001002, 0x00001006, |
| 883 | 0x00000002, 0x00000006, 0x00001002, 0x00001006, |
| 884 | 0x10000002, 0x10000006, 0x10001002, 0x10001006, |
| 885 | 0x10000002, 0x10000006, 0x10001002, 0x10001006, |
| 886 | 0x00000022, 0x00000026, 0x00001022, 0x00001026, |
| 887 | 0x00000022, 0x00000026, 0x00001022, 0x00001026, |
| 888 | 0x10000022, 0x10000026, 0x10001022, 0x10001026, |
| 889 | 0x10000022, 0x10000026, 0x10001022, 0x10001026, |
| 890 | 0x00080002, 0x00080006, 0x00081002, 0x00081006, |
| 891 | 0x00080002, 0x00080006, 0x00081002, 0x00081006, |
| 892 | 0x10080002, 0x10080006, 0x10081002, 0x10081006, |
| 893 | 0x10080002, 0x10080006, 0x10081002, 0x10081006, |
| 894 | 0x00080022, 0x00080026, 0x00081022, 0x00081026, |
| 895 | 0x00080022, 0x00080026, 0x00081022, 0x00081026, |
| 896 | 0x10080022, 0x10080026, 0x10081022, 0x10081026, |
| 897 | 0x10080022, 0x10080026, 0x10081022, 0x10081026, |
| 898 | 0x20000002, 0x20000006, 0x20001002, 0x20001006, |
| 899 | 0x20000002, 0x20000006, 0x20001002, 0x20001006, |
| 900 | 0x30000002, 0x30000006, 0x30001002, 0x30001006, |
| 901 | 0x30000002, 0x30000006, 0x30001002, 0x30001006, |
| 902 | 0x20000022, 0x20000026, 0x20001022, 0x20001026, |
| 903 | 0x20000022, 0x20000026, 0x20001022, 0x20001026, |
| 904 | 0x30000022, 0x30000026, 0x30001022, 0x30001026, |
| 905 | 0x30000022, 0x30000026, 0x30001022, 0x30001026, |
| 906 | 0x20080002, 0x20080006, 0x20081002, 0x20081006, |
| 907 | 0x20080002, 0x20080006, 0x20081002, 0x20081006, |
| 908 | 0x30080002, 0x30080006, 0x30081002, 0x30081006, |
| 909 | 0x30080002, 0x30080006, 0x30081002, 0x30081006, |
| 910 | 0x20080022, 0x20080026, 0x20081022, 0x20081026, |
| 911 | 0x20080022, 0x20080026, 0x20081022, 0x20081026, |
| 912 | 0x30080022, 0x30080026, 0x30081022, 0x30081026, |
| 913 | 0x30080022, 0x30080026, 0x30081022, 0x30081026, |
| 914 | ]; |
| 915 | static $pc2mapc4 = [ |
| 916 | 0x00000000, 0x00100000, 0x00000008, 0x00100008, |
| 917 | 0x00000200, 0x00100200, 0x00000208, 0x00100208, |
| 918 | 0x00000000, 0x00100000, 0x00000008, 0x00100008, |
| 919 | 0x00000200, 0x00100200, 0x00000208, 0x00100208, |
| 920 | 0x04000000, 0x04100000, 0x04000008, 0x04100008, |
| 921 | 0x04000200, 0x04100200, 0x04000208, 0x04100208, |
| 922 | 0x04000000, 0x04100000, 0x04000008, 0x04100008, |
| 923 | 0x04000200, 0x04100200, 0x04000208, 0x04100208, |
| 924 | 0x00002000, 0x00102000, 0x00002008, 0x00102008, |
| 925 | 0x00002200, 0x00102200, 0x00002208, 0x00102208, |
| 926 | 0x00002000, 0x00102000, 0x00002008, 0x00102008, |
| 927 | 0x00002200, 0x00102200, 0x00002208, 0x00102208, |
| 928 | 0x04002000, 0x04102000, 0x04002008, 0x04102008, |
| 929 | 0x04002200, 0x04102200, 0x04002208, 0x04102208, |
| 930 | 0x04002000, 0x04102000, 0x04002008, 0x04102008, |
| 931 | 0x04002200, 0x04102200, 0x04002208, 0x04102208, |
| 932 | 0x00000000, 0x00100000, 0x00000008, 0x00100008, |
| 933 | 0x00000200, 0x00100200, 0x00000208, 0x00100208, |
| 934 | 0x00000000, 0x00100000, 0x00000008, 0x00100008, |
| 935 | 0x00000200, 0x00100200, 0x00000208, 0x00100208, |
| 936 | 0x04000000, 0x04100000, 0x04000008, 0x04100008, |
| 937 | 0x04000200, 0x04100200, 0x04000208, 0x04100208, |
| 938 | 0x04000000, 0x04100000, 0x04000008, 0x04100008, |
| 939 | 0x04000200, 0x04100200, 0x04000208, 0x04100208, |
| 940 | 0x00002000, 0x00102000, 0x00002008, 0x00102008, |
| 941 | 0x00002200, 0x00102200, 0x00002208, 0x00102208, |
| 942 | 0x00002000, 0x00102000, 0x00002008, 0x00102008, |
| 943 | 0x00002200, 0x00102200, 0x00002208, 0x00102208, |
| 944 | 0x04002000, 0x04102000, 0x04002008, 0x04102008, |
| 945 | 0x04002200, 0x04102200, 0x04002208, 0x04102208, |
| 946 | 0x04002000, 0x04102000, 0x04002008, 0x04102008, |
| 947 | 0x04002200, 0x04102200, 0x04002208, 0x04102208, |
| 948 | 0x00020000, 0x00120000, 0x00020008, 0x00120008, |
| 949 | 0x00020200, 0x00120200, 0x00020208, 0x00120208, |
| 950 | 0x00020000, 0x00120000, 0x00020008, 0x00120008, |
| 951 | 0x00020200, 0x00120200, 0x00020208, 0x00120208, |
| 952 | 0x04020000, 0x04120000, 0x04020008, 0x04120008, |
| 953 | 0x04020200, 0x04120200, 0x04020208, 0x04120208, |
| 954 | 0x04020000, 0x04120000, 0x04020008, 0x04120008, |
| 955 | 0x04020200, 0x04120200, 0x04020208, 0x04120208, |
| 956 | 0x00022000, 0x00122000, 0x00022008, 0x00122008, |
| 957 | 0x00022200, 0x00122200, 0x00022208, 0x00122208, |
| 958 | 0x00022000, 0x00122000, 0x00022008, 0x00122008, |
| 959 | 0x00022200, 0x00122200, 0x00022208, 0x00122208, |
| 960 | 0x04022000, 0x04122000, 0x04022008, 0x04122008, |
| 961 | 0x04022200, 0x04122200, 0x04022208, 0x04122208, |
| 962 | 0x04022000, 0x04122000, 0x04022008, 0x04122008, |
| 963 | 0x04022200, 0x04122200, 0x04022208, 0x04122208, |
| 964 | 0x00020000, 0x00120000, 0x00020008, 0x00120008, |
| 965 | 0x00020200, 0x00120200, 0x00020208, 0x00120208, |
| 966 | 0x00020000, 0x00120000, 0x00020008, 0x00120008, |
| 967 | 0x00020200, 0x00120200, 0x00020208, 0x00120208, |
| 968 | 0x04020000, 0x04120000, 0x04020008, 0x04120008, |
| 969 | 0x04020200, 0x04120200, 0x04020208, 0x04120208, |
| 970 | 0x04020000, 0x04120000, 0x04020008, 0x04120008, |
| 971 | 0x04020200, 0x04120200, 0x04020208, 0x04120208, |
| 972 | 0x00022000, 0x00122000, 0x00022008, 0x00122008, |
| 973 | 0x00022200, 0x00122200, 0x00022208, 0x00122208, |
| 974 | 0x00022000, 0x00122000, 0x00022008, 0x00122008, |
| 975 | 0x00022200, 0x00122200, 0x00022208, 0x00122208, |
| 976 | 0x04022000, 0x04122000, 0x04022008, 0x04122008, |
| 977 | 0x04022200, 0x04122200, 0x04022208, 0x04122208, |
| 978 | 0x04022000, 0x04122000, 0x04022008, 0x04122008, |
| 979 | 0x04022200, 0x04122200, 0x04022208, 0x04122208, |
| 980 | ]; |
| 981 | static $pc2mapd1 = [ |
| 982 | 0x00000000, 0x00000001, 0x08000000, 0x08000001, |
| 983 | 0x00200000, 0x00200001, 0x08200000, 0x08200001, |
| 984 | 0x00000002, 0x00000003, 0x08000002, 0x08000003, |
| 985 | 0x00200002, 0x00200003, 0x08200002, 0x08200003, |
| 986 | ]; |
| 987 | static $pc2mapd2 = [ |
| 988 | 0x00000000, 0x00100000, 0x00000800, 0x00100800, |
| 989 | 0x00000000, 0x00100000, 0x00000800, 0x00100800, |
| 990 | 0x04000000, 0x04100000, 0x04000800, 0x04100800, |
| 991 | 0x04000000, 0x04100000, 0x04000800, 0x04100800, |
| 992 | 0x00000004, 0x00100004, 0x00000804, 0x00100804, |
| 993 | 0x00000004, 0x00100004, 0x00000804, 0x00100804, |
| 994 | 0x04000004, 0x04100004, 0x04000804, 0x04100804, |
| 995 | 0x04000004, 0x04100004, 0x04000804, 0x04100804, |
| 996 | 0x00000000, 0x00100000, 0x00000800, 0x00100800, |
| 997 | 0x00000000, 0x00100000, 0x00000800, 0x00100800, |
| 998 | 0x04000000, 0x04100000, 0x04000800, 0x04100800, |
| 999 | 0x04000000, 0x04100000, 0x04000800, 0x04100800, |
| 1000 | 0x00000004, 0x00100004, 0x00000804, 0x00100804, |
| 1001 | 0x00000004, 0x00100004, 0x00000804, 0x00100804, |
| 1002 | 0x04000004, 0x04100004, 0x04000804, 0x04100804, |
| 1003 | 0x04000004, 0x04100004, 0x04000804, 0x04100804, |
| 1004 | 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, |
| 1005 | 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, |
| 1006 | 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, |
| 1007 | 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, |
| 1008 | 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, |
| 1009 | 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, |
| 1010 | 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, |
| 1011 | 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, |
| 1012 | 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, |
| 1013 | 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, |
| 1014 | 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, |
| 1015 | 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, |
| 1016 | 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, |
| 1017 | 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, |
| 1018 | 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, |
| 1019 | 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, |
| 1020 | 0x00020000, 0x00120000, 0x00020800, 0x00120800, |
| 1021 | 0x00020000, 0x00120000, 0x00020800, 0x00120800, |
| 1022 | 0x04020000, 0x04120000, 0x04020800, 0x04120800, |
| 1023 | 0x04020000, 0x04120000, 0x04020800, 0x04120800, |
| 1024 | 0x00020004, 0x00120004, 0x00020804, 0x00120804, |
| 1025 | 0x00020004, 0x00120004, 0x00020804, 0x00120804, |
| 1026 | 0x04020004, 0x04120004, 0x04020804, 0x04120804, |
| 1027 | 0x04020004, 0x04120004, 0x04020804, 0x04120804, |
| 1028 | 0x00020000, 0x00120000, 0x00020800, 0x00120800, |
| 1029 | 0x00020000, 0x00120000, 0x00020800, 0x00120800, |
| 1030 | 0x04020000, 0x04120000, 0x04020800, 0x04120800, |
| 1031 | 0x04020000, 0x04120000, 0x04020800, 0x04120800, |
| 1032 | 0x00020004, 0x00120004, 0x00020804, 0x00120804, |
| 1033 | 0x00020004, 0x00120004, 0x00020804, 0x00120804, |
| 1034 | 0x04020004, 0x04120004, 0x04020804, 0x04120804, |
| 1035 | 0x04020004, 0x04120004, 0x04020804, 0x04120804, |
| 1036 | 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, |
| 1037 | 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, |
| 1038 | 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, |
| 1039 | 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, |
| 1040 | 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, |
| 1041 | 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, |
| 1042 | 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, |
| 1043 | 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, |
| 1044 | 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, |
| 1045 | 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, |
| 1046 | 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, |
| 1047 | 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, |
| 1048 | 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, |
| 1049 | 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, |
| 1050 | 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, |
| 1051 | 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, |
| 1052 | ]; |
| 1053 | static $pc2mapd3 = [ |
| 1054 | 0x00000000, 0x00010000, 0x02000000, 0x02010000, |
| 1055 | 0x00000020, 0x00010020, 0x02000020, 0x02010020, |
| 1056 | 0x00040000, 0x00050000, 0x02040000, 0x02050000, |
| 1057 | 0x00040020, 0x00050020, 0x02040020, 0x02050020, |
| 1058 | 0x00002000, 0x00012000, 0x02002000, 0x02012000, |
| 1059 | 0x00002020, 0x00012020, 0x02002020, 0x02012020, |
| 1060 | 0x00042000, 0x00052000, 0x02042000, 0x02052000, |
| 1061 | 0x00042020, 0x00052020, 0x02042020, 0x02052020, |
| 1062 | 0x00000000, 0x00010000, 0x02000000, 0x02010000, |
| 1063 | 0x00000020, 0x00010020, 0x02000020, 0x02010020, |
| 1064 | 0x00040000, 0x00050000, 0x02040000, 0x02050000, |
| 1065 | 0x00040020, 0x00050020, 0x02040020, 0x02050020, |
| 1066 | 0x00002000, 0x00012000, 0x02002000, 0x02012000, |
| 1067 | 0x00002020, 0x00012020, 0x02002020, 0x02012020, |
| 1068 | 0x00042000, 0x00052000, 0x02042000, 0x02052000, |
| 1069 | 0x00042020, 0x00052020, 0x02042020, 0x02052020, |
| 1070 | 0x00000010, 0x00010010, 0x02000010, 0x02010010, |
| 1071 | 0x00000030, 0x00010030, 0x02000030, 0x02010030, |
| 1072 | 0x00040010, 0x00050010, 0x02040010, 0x02050010, |
| 1073 | 0x00040030, 0x00050030, 0x02040030, 0x02050030, |
| 1074 | 0x00002010, 0x00012010, 0x02002010, 0x02012010, |
| 1075 | 0x00002030, 0x00012030, 0x02002030, 0x02012030, |
| 1076 | 0x00042010, 0x00052010, 0x02042010, 0x02052010, |
| 1077 | 0x00042030, 0x00052030, 0x02042030, 0x02052030, |
| 1078 | 0x00000010, 0x00010010, 0x02000010, 0x02010010, |
| 1079 | 0x00000030, 0x00010030, 0x02000030, 0x02010030, |
| 1080 | 0x00040010, 0x00050010, 0x02040010, 0x02050010, |
| 1081 | 0x00040030, 0x00050030, 0x02040030, 0x02050030, |
| 1082 | 0x00002010, 0x00012010, 0x02002010, 0x02012010, |
| 1083 | 0x00002030, 0x00012030, 0x02002030, 0x02012030, |
| 1084 | 0x00042010, 0x00052010, 0x02042010, 0x02052010, |
| 1085 | 0x00042030, 0x00052030, 0x02042030, 0x02052030, |
| 1086 | 0x20000000, 0x20010000, 0x22000000, 0x22010000, |
| 1087 | 0x20000020, 0x20010020, 0x22000020, 0x22010020, |
| 1088 | 0x20040000, 0x20050000, 0x22040000, 0x22050000, |
| 1089 | 0x20040020, 0x20050020, 0x22040020, 0x22050020, |
| 1090 | 0x20002000, 0x20012000, 0x22002000, 0x22012000, |
| 1091 | 0x20002020, 0x20012020, 0x22002020, 0x22012020, |
| 1092 | 0x20042000, 0x20052000, 0x22042000, 0x22052000, |
| 1093 | 0x20042020, 0x20052020, 0x22042020, 0x22052020, |
| 1094 | 0x20000000, 0x20010000, 0x22000000, 0x22010000, |
| 1095 | 0x20000020, 0x20010020, 0x22000020, 0x22010020, |
| 1096 | 0x20040000, 0x20050000, 0x22040000, 0x22050000, |
| 1097 | 0x20040020, 0x20050020, 0x22040020, 0x22050020, |
| 1098 | 0x20002000, 0x20012000, 0x22002000, 0x22012000, |
| 1099 | 0x20002020, 0x20012020, 0x22002020, 0x22012020, |
| 1100 | 0x20042000, 0x20052000, 0x22042000, 0x22052000, |
| 1101 | 0x20042020, 0x20052020, 0x22042020, 0x22052020, |
| 1102 | 0x20000010, 0x20010010, 0x22000010, 0x22010010, |
| 1103 | 0x20000030, 0x20010030, 0x22000030, 0x22010030, |
| 1104 | 0x20040010, 0x20050010, 0x22040010, 0x22050010, |
| 1105 | 0x20040030, 0x20050030, 0x22040030, 0x22050030, |
| 1106 | 0x20002010, 0x20012010, 0x22002010, 0x22012010, |
| 1107 | 0x20002030, 0x20012030, 0x22002030, 0x22012030, |
| 1108 | 0x20042010, 0x20052010, 0x22042010, 0x22052010, |
| 1109 | 0x20042030, 0x20052030, 0x22042030, 0x22052030, |
| 1110 | 0x20000010, 0x20010010, 0x22000010, 0x22010010, |
| 1111 | 0x20000030, 0x20010030, 0x22000030, 0x22010030, |
| 1112 | 0x20040010, 0x20050010, 0x22040010, 0x22050010, |
| 1113 | 0x20040030, 0x20050030, 0x22040030, 0x22050030, |
| 1114 | 0x20002010, 0x20012010, 0x22002010, 0x22012010, |
| 1115 | 0x20002030, 0x20012030, 0x22002030, 0x22012030, |
| 1116 | 0x20042010, 0x20052010, 0x22042010, 0x22052010, |
| 1117 | 0x20042030, 0x20052030, 0x22042030, 0x22052030, |
| 1118 | ]; |
| 1119 | static $pc2mapd4 = [ |
| 1120 | 0x00000000, 0x00000400, 0x01000000, 0x01000400, |
| 1121 | 0x00000000, 0x00000400, 0x01000000, 0x01000400, |
| 1122 | 0x00000100, 0x00000500, 0x01000100, 0x01000500, |
| 1123 | 0x00000100, 0x00000500, 0x01000100, 0x01000500, |
| 1124 | 0x10000000, 0x10000400, 0x11000000, 0x11000400, |
| 1125 | 0x10000000, 0x10000400, 0x11000000, 0x11000400, |
| 1126 | 0x10000100, 0x10000500, 0x11000100, 0x11000500, |
| 1127 | 0x10000100, 0x10000500, 0x11000100, 0x11000500, |
| 1128 | 0x00080000, 0x00080400, 0x01080000, 0x01080400, |
| 1129 | 0x00080000, 0x00080400, 0x01080000, 0x01080400, |
| 1130 | 0x00080100, 0x00080500, 0x01080100, 0x01080500, |
| 1131 | 0x00080100, 0x00080500, 0x01080100, 0x01080500, |
| 1132 | 0x10080000, 0x10080400, 0x11080000, 0x11080400, |
| 1133 | 0x10080000, 0x10080400, 0x11080000, 0x11080400, |
| 1134 | 0x10080100, 0x10080500, 0x11080100, 0x11080500, |
| 1135 | 0x10080100, 0x10080500, 0x11080100, 0x11080500, |
| 1136 | 0x00000008, 0x00000408, 0x01000008, 0x01000408, |
| 1137 | 0x00000008, 0x00000408, 0x01000008, 0x01000408, |
| 1138 | 0x00000108, 0x00000508, 0x01000108, 0x01000508, |
| 1139 | 0x00000108, 0x00000508, 0x01000108, 0x01000508, |
| 1140 | 0x10000008, 0x10000408, 0x11000008, 0x11000408, |
| 1141 | 0x10000008, 0x10000408, 0x11000008, 0x11000408, |
| 1142 | 0x10000108, 0x10000508, 0x11000108, 0x11000508, |
| 1143 | 0x10000108, 0x10000508, 0x11000108, 0x11000508, |
| 1144 | 0x00080008, 0x00080408, 0x01080008, 0x01080408, |
| 1145 | 0x00080008, 0x00080408, 0x01080008, 0x01080408, |
| 1146 | 0x00080108, 0x00080508, 0x01080108, 0x01080508, |
| 1147 | 0x00080108, 0x00080508, 0x01080108, 0x01080508, |
| 1148 | 0x10080008, 0x10080408, 0x11080008, 0x11080408, |
| 1149 | 0x10080008, 0x10080408, 0x11080008, 0x11080408, |
| 1150 | 0x10080108, 0x10080508, 0x11080108, 0x11080508, |
| 1151 | 0x10080108, 0x10080508, 0x11080108, 0x11080508, |
| 1152 | 0x00001000, 0x00001400, 0x01001000, 0x01001400, |
| 1153 | 0x00001000, 0x00001400, 0x01001000, 0x01001400, |
| 1154 | 0x00001100, 0x00001500, 0x01001100, 0x01001500, |
| 1155 | 0x00001100, 0x00001500, 0x01001100, 0x01001500, |
| 1156 | 0x10001000, 0x10001400, 0x11001000, 0x11001400, |
| 1157 | 0x10001000, 0x10001400, 0x11001000, 0x11001400, |
| 1158 | 0x10001100, 0x10001500, 0x11001100, 0x11001500, |
| 1159 | 0x10001100, 0x10001500, 0x11001100, 0x11001500, |
| 1160 | 0x00081000, 0x00081400, 0x01081000, 0x01081400, |
| 1161 | 0x00081000, 0x00081400, 0x01081000, 0x01081400, |
| 1162 | 0x00081100, 0x00081500, 0x01081100, 0x01081500, |
| 1163 | 0x00081100, 0x00081500, 0x01081100, 0x01081500, |
| 1164 | 0x10081000, 0x10081400, 0x11081000, 0x11081400, |
| 1165 | 0x10081000, 0x10081400, 0x11081000, 0x11081400, |
| 1166 | 0x10081100, 0x10081500, 0x11081100, 0x11081500, |
| 1167 | 0x10081100, 0x10081500, 0x11081100, 0x11081500, |
| 1168 | 0x00001008, 0x00001408, 0x01001008, 0x01001408, |
| 1169 | 0x00001008, 0x00001408, 0x01001008, 0x01001408, |
| 1170 | 0x00001108, 0x00001508, 0x01001108, 0x01001508, |
| 1171 | 0x00001108, 0x00001508, 0x01001108, 0x01001508, |
| 1172 | 0x10001008, 0x10001408, 0x11001008, 0x11001408, |
| 1173 | 0x10001008, 0x10001408, 0x11001008, 0x11001408, |
| 1174 | 0x10001108, 0x10001508, 0x11001108, 0x11001508, |
| 1175 | 0x10001108, 0x10001508, 0x11001108, 0x11001508, |
| 1176 | 0x00081008, 0x00081408, 0x01081008, 0x01081408, |
| 1177 | 0x00081008, 0x00081408, 0x01081008, 0x01081408, |
| 1178 | 0x00081108, 0x00081508, 0x01081108, 0x01081508, |
| 1179 | 0x00081108, 0x00081508, 0x01081108, 0x01081508, |
| 1180 | 0x10081008, 0x10081408, 0x11081008, 0x11081408, |
| 1181 | 0x10081008, 0x10081408, 0x11081008, 0x11081408, |
| 1182 | 0x10081108, 0x10081508, 0x11081108, 0x11081508, |
| 1183 | 0x10081108, 0x10081508, 0x11081108, 0x11081508, |
| 1184 | ]; |
| 1185 | |
| 1186 | $keys = []; |
| 1187 | for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) { |
| 1188 | // pad the key and remove extra characters as appropriate. |
| 1189 | $key = str_pad(substr($this->key, $des_round * 8, 8), 8, "\0"); |
| 1190 | |
| 1191 | // Perform the PC/1 transformation and compute C and D. |
| 1192 | $t = unpack('Nl/Nr', $key); |
| 1193 | [$l, $r] = [$t['l'], $t['r']]; |
| 1194 | $key = (self::$shuffle[$pc1map[ $r & 0xFF]] & "\x80\x80\x80\x80\x80\x80\x80\x00") | |
| 1195 | (self::$shuffle[$pc1map[($r >> 8) & 0xFF]] & "\x40\x40\x40\x40\x40\x40\x40\x00") | |
| 1196 | (self::$shuffle[$pc1map[($r >> 16) & 0xFF]] & "\x20\x20\x20\x20\x20\x20\x20\x00") | |
| 1197 | (self::$shuffle[$pc1map[($r >> 24) & 0xFF]] & "\x10\x10\x10\x10\x10\x10\x10\x00") | |
| 1198 | (self::$shuffle[$pc1map[ $l & 0xFF]] & "\x08\x08\x08\x08\x08\x08\x08\x00") | |
| 1199 | (self::$shuffle[$pc1map[($l >> 8) & 0xFF]] & "\x04\x04\x04\x04\x04\x04\x04\x00") | |
| 1200 | (self::$shuffle[$pc1map[($l >> 16) & 0xFF]] & "\x02\x02\x02\x02\x02\x02\x02\x00") | |
| 1201 | (self::$shuffle[$pc1map[($l >> 24) & 0xFF]] & "\x01\x01\x01\x01\x01\x01\x01\x00"); |
| 1202 | $key = unpack('Nc/Nd', $key); |
| 1203 | $c = ( $key['c'] >> 4) & 0x0FFFFFFF; |
| 1204 | $d = (($key['d'] >> 4) & 0x0FFFFFF0) | ($key['c'] & 0x0F); |
| 1205 | |
| 1206 | $keys[$des_round] = [ |
| 1207 | self::ENCRYPT => [], |
| 1208 | self::DECRYPT => array_fill(0, 32, 0), |
| 1209 | ]; |
| 1210 | for ($i = 0, $ki = 31; $i < 16; ++$i, $ki -= 2) { |
| 1211 | $c <<= $shifts[$i]; |
| 1212 | $c = ($c | ($c >> 28)) & 0x0FFFFFFF; |
| 1213 | $d <<= $shifts[$i]; |
| 1214 | $d = ($d | ($d >> 28)) & 0x0FFFFFFF; |
| 1215 | |
| 1216 | // Perform the PC-2 transformation. |
| 1217 | $cp = $pc2mapc1[ $c >> 24 ] | $pc2mapc2[($c >> 16) & 0xFF] | |
| 1218 | $pc2mapc3[($c >> 8) & 0xFF] | $pc2mapc4[ $c & 0xFF]; |
| 1219 | $dp = $pc2mapd1[ $d >> 24 ] | $pc2mapd2[($d >> 16) & 0xFF] | |
| 1220 | $pc2mapd3[($d >> 8) & 0xFF] | $pc2mapd4[ $d & 0xFF]; |
| 1221 | |
| 1222 | // Reorder: odd bytes/even bytes. Push the result in key schedule. |
| 1223 | $val1 = ( $cp & intval(0xFF000000)) | (($cp << 8) & 0x00FF0000) | |
| 1224 | (($dp >> 16) & 0x0000FF00) | (($dp >> 8) & 0x000000FF); |
| 1225 | $val2 = (($cp << 8) & intval(0xFF000000)) | (($cp << 16) & 0x00FF0000) | |
| 1226 | (($dp >> 8) & 0x0000FF00) | ( $dp & 0x000000FF); |
| 1227 | $keys[$des_round][self::ENCRYPT][ ] = $val1; |
| 1228 | $keys[$des_round][self::DECRYPT][$ki - 1] = $val1; |
| 1229 | $keys[$des_round][self::ENCRYPT][ ] = $val2; |
| 1230 | $keys[$des_round][self::DECRYPT][$ki ] = $val2; |
| 1231 | } |
| 1232 | } |
| 1233 | |
| 1234 | switch ($this->des_rounds) { |
| 1235 | case 3: // 3DES keys |
| 1236 | $this->keys = [ |
| 1237 | self::ENCRYPT => array_merge( |
| 1238 | $keys[0][self::ENCRYPT], |
| 1239 | $keys[1][self::DECRYPT], |
| 1240 | $keys[2][self::ENCRYPT] |
| 1241 | ), |
| 1242 | self::DECRYPT => array_merge( |
| 1243 | $keys[2][self::DECRYPT], |
| 1244 | $keys[1][self::ENCRYPT], |
| 1245 | $keys[0][self::DECRYPT] |
| 1246 | ), |
| 1247 | ]; |
| 1248 | break; |
| 1249 | // case 1: // DES keys |
| 1250 | default: |
| 1251 | $this->keys = [ |
| 1252 | self::ENCRYPT => $keys[0][self::ENCRYPT], |
| 1253 | self::DECRYPT => $keys[0][self::DECRYPT], |
| 1254 | ]; |
| 1255 | } |
| 1256 | } |
| 1257 | |
| 1258 | /** |
| 1259 | * Setup the performance-optimized function for de/encrypt() |
| 1260 | * |
| 1261 | * @see \phpseclib3\Crypt\Common\SymmetricKey::setupInlineCrypt() |
| 1262 | */ |
| 1263 | protected function setupInlineCrypt(): void |
| 1264 | { |
| 1265 | // Engine configuration for: |
| 1266 | // - DES ($des_rounds == 1) or |
| 1267 | // - 3DES ($des_rounds == 3) |
| 1268 | $des_rounds = $this->des_rounds; |
| 1269 | |
| 1270 | $init_crypt = 'static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip; |
| 1271 | if (!$sbox1) { |
| 1272 | $sbox1 = array_map("intval", self::$sbox1); |
| 1273 | $sbox2 = array_map("intval", self::$sbox2); |
| 1274 | $sbox3 = array_map("intval", self::$sbox3); |
| 1275 | $sbox4 = array_map("intval", self::$sbox4); |
| 1276 | $sbox5 = array_map("intval", self::$sbox5); |
| 1277 | $sbox6 = array_map("intval", self::$sbox6); |
| 1278 | $sbox7 = array_map("intval", self::$sbox7); |
| 1279 | $sbox8 = array_map("intval", self::$sbox8);' |
| 1280 | /* Merge $shuffle with $[inv]ipmap */ . ' |
| 1281 | for ($i = 0; $i < 256; ++$i) { |
| 1282 | $shuffleip[] = self::$shuffle[self::$ipmap[$i]]; |
| 1283 | $shuffleinvip[] = self::$shuffle[self::$invipmap[$i]]; |
| 1284 | } |
| 1285 | } |
| 1286 | '; |
| 1287 | |
| 1288 | $k = [ |
| 1289 | self::ENCRYPT => $this->keys[self::ENCRYPT], |
| 1290 | self::DECRYPT => $this->keys[self::DECRYPT], |
| 1291 | ]; |
| 1292 | $init_encrypt = ''; |
| 1293 | $init_decrypt = ''; |
| 1294 | |
| 1295 | // Creating code for en- and decryption. |
| 1296 | $crypt_block = []; |
| 1297 | foreach ([self::ENCRYPT, self::DECRYPT] as $c) { |
| 1298 | /* Do the initial IP permutation. */ |
| 1299 | $crypt_block[$c] = ' |
| 1300 | $in = unpack("N*", $in); |
| 1301 | $l = $in[1]; |
| 1302 | $r = $in[2]; |
| 1303 | $in = unpack("N*", |
| 1304 | ($shuffleip[ $r & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | |
| 1305 | ($shuffleip[($r >> 8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | |
| 1306 | ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | |
| 1307 | ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | |
| 1308 | ($shuffleip[ $l & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | |
| 1309 | ($shuffleip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | |
| 1310 | ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | |
| 1311 | ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01") |
| 1312 | ); |
| 1313 | ' . /* Extract L0 and R0 */ ' |
| 1314 | $l = $in[1]; |
| 1315 | $r = $in[2]; |
| 1316 | '; |
| 1317 | |
| 1318 | $l = '$l'; |
| 1319 | $r = '$r'; |
| 1320 | |
| 1321 | // Perform DES or 3DES. |
| 1322 | for ($ki = -1, $des_round = 0; $des_round < $des_rounds; ++$des_round) { |
| 1323 | // Perform the 16 steps. |
| 1324 | for ($i = 0; $i < 16; ++$i) { |
| 1325 | // start of "the Feistel (F) function" - see the following URL: |
| 1326 | // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png |
| 1327 | // Merge key schedule. |
| 1328 | $crypt_block[$c] .= ' |
| 1329 | $b1 = ((' . $r . ' >> 3) & 0x1FFFFFFF) ^ (' . $r . ' << 29) ^ ' . $k[$c][++$ki] . '; |
| 1330 | $b2 = ((' . $r . ' >> 31) & 0x00000001) ^ (' . $r . ' << 1) ^ ' . $k[$c][++$ki] . ';' . |
| 1331 | /* S-box indexing. */ |
| 1332 | $l . ' = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^ |
| 1333 | $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^ |
| 1334 | $sbox5[($b1 >> 8) & 0x3F] ^ $sbox6[($b2 >> 8) & 0x3F] ^ |
| 1335 | $sbox7[ $b1 & 0x3F] ^ $sbox8[ $b2 & 0x3F] ^ ' . $l . '; |
| 1336 | '; |
| 1337 | // end of "the Feistel (F) function" |
| 1338 | |
| 1339 | // swap L & R |
| 1340 | [$l, $r] = [$r, $l]; |
| 1341 | } |
| 1342 | [$l, $r] = [$r, $l]; |
| 1343 | } |
| 1344 | |
| 1345 | // Perform the inverse IP permutation. |
| 1346 | $crypt_block[$c] .= '$in = |
| 1347 | ($shuffleinvip[($l >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | |
| 1348 | ($shuffleinvip[($r >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | |
| 1349 | ($shuffleinvip[($l >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | |
| 1350 | ($shuffleinvip[($r >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | |
| 1351 | ($shuffleinvip[($l >> 8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | |
| 1352 | ($shuffleinvip[($r >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | |
| 1353 | ($shuffleinvip[ $l & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | |
| 1354 | ($shuffleinvip[ $r & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01"); |
| 1355 | '; |
| 1356 | } |
| 1357 | |
| 1358 | // Creates the inline-crypt function |
| 1359 | $this->inline_crypt = $this->createInlineCryptFunction( |
| 1360 | [ |
| 1361 | 'init_crypt' => $init_crypt, |
| 1362 | 'init_encrypt' => $init_encrypt, |
| 1363 | 'init_decrypt' => $init_decrypt, |
| 1364 | 'encrypt_block' => $crypt_block[self::ENCRYPT], |
| 1365 | 'decrypt_block' => $crypt_block[self::DECRYPT], |
| 1366 | ] |
| 1367 | ); |
| 1368 | } |
| 1369 | } |
| 1370 |