1 | <?php |
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2 | // +----------------------------------------------------------------------+ |
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3 | // | PHP Version 4 | |
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4 | // +----------------------------------------------------------------------+ |
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5 | // | Copyright (c) 1997-2004 The PHP Group | |
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6 | // +----------------------------------------------------------------------+ |
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7 | // | This source file is subject to version 3.0 of the PHP license, | |
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8 | // | that is bundled with this package in the file LICENSE, and is | |
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9 | // | available at through the world-wide-web at | |
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10 | // | http://www.php.net/license/3_0.txt. | |
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11 | // | If you did not receive a copy of the PHP license and are unable to | |
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12 | // | obtain it through the world-wide-web, please send a note to | |
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13 | // | license@php.net so we can mail you a copy immediately. | |
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14 | // +----------------------------------------------------------------------+ |
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15 | // | Authors: Aidan Lister <aidan@php.net> | |
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16 | // +----------------------------------------------------------------------+ |
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17 | // |
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18 | // $Id$ |
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19 | |
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20 | |
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21 | if (!defined('MHASH_CRC32')) { |
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22 | define('MHASH_CRC32', 0); |
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23 | } |
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24 | |
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25 | if (!defined('MHASH_MD5')) { |
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26 | define('MHASH_MD5', 1); |
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27 | } |
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28 | |
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29 | if (!defined('MHASH_SHA1')) { |
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30 | define('MHASH_SHA1', 2); |
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31 | } |
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32 | |
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33 | if (!defined('MHASH_HAVAL256')) { |
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34 | define('MHASH_HAVAL256', 3); |
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35 | } |
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36 | |
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37 | if (!defined('MHASH_RIPEMD160')) { |
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38 | define('MHASH_RIPEMD160', 5); |
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39 | } |
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40 | |
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41 | if (!defined('MHASH_TIGER')) { |
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42 | define('MHASH_TIGER', 7); |
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43 | } |
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44 | |
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45 | if (!defined('MHASH_GOST')) { |
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46 | define('MHASH_GOST', 8); |
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47 | } |
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48 | |
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49 | if (!defined('MHASH_CRC32B')) { |
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50 | define('MHASH_CRC32B', 9); |
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51 | } |
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52 | |
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53 | if (!defined('MHASH_HAVAL192')) { |
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54 | define('MHASH_HAVAL192', 11); |
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55 | } |
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56 | |
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57 | if (!defined('MHASH_HAVAL160')) { |
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58 | define('MHASH_HAVAL160', 12); |
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59 | } |
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60 | |
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61 | if (!defined('MHASH_HAVAL128')) { |
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62 | define('MHASH_HAVAL128', 13); |
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63 | } |
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64 | |
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65 | if (!defined('MHASH_TIGER128')) { |
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66 | define('MHASH_TIGER128', 14); |
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67 | } |
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68 | |
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69 | if (!defined('MHASH_TIGER160')) { |
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70 | define('MHASH_TIGER160', 15); |
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71 | } |
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72 | |
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73 | if (!defined('MHASH_MD4')) { |
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74 | define('MHASH_MD4', 16); |
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75 | } |
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76 | |
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77 | if (!defined('MHASH_SHA256')) { |
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78 | define('MHASH_SHA256', 17); |
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79 | } |
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80 | |
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81 | if (!defined('MHASH_ADLER32')) { |
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82 | define('MHASH_ADLER32', 18); |
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83 | } |
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84 | |
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85 | |
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86 | /** |
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87 | * Replace mhash() |
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88 | * |
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89 | * @category PHP |
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90 | * @package PHP_Compat |
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91 | * @link http://php.net/function.mhash |
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92 | * @author Aidan Lister <aidan@php.net> |
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93 | * @version $Revision: 1.1 $ |
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94 | * @since PHP 4.1.0 |
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95 | * @require PHP 4.0.0 (user_error) |
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96 | */ |
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97 | if (!function_exists('mhash')) { |
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98 | function mhash($hashtype, $data, $key = '') |
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99 | { |
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100 | switch ($hashtype) { |
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101 | case MHASH_MD5: |
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102 | $key = str_pad((strlen($key) > 64 ? pack("H*", md5($key)) : $key), 64, chr(0x00)); |
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103 | $k_opad = $key ^ (str_pad('', 64, chr(0x5c))); |
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104 | $k_ipad = $key ^ (str_pad('', 64, chr(0x36))); |
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105 | return pack("H*", md5($k_opad . pack("H*", md5($k_ipad . $data)))); |
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106 | |
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107 | default: |
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108 | return false; |
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109 | |
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110 | break; |
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111 | } |
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112 | } |
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113 | } |
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114 | |
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115 | ?> |
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