支持中文的php加密解密类代码

demo

支持中文的php加密解密类代码:

1. <?php
   
2. /**
   
3. * Copyright (c) 2011 - 01 XatuDream
   
4. * XatuDream All Rights Reserved.
   
5. * Support:185390516.qzone.qq.com
   
6. * QQ:185390516
   
7. * Author:Lau Version:1.01
   
8. * Date:2010-08-12 09:28:32
   
9. */
   
10. ! defined ( 'WORKSPACE' ) && exit ( "Access Denied !" );
    
11. class MD5Crypt {
    
12. /**
    
13. * Enter description here ...
    
14. * @param unknown_type $str
    
15. * @return string
    
16. */
    
17. public final static function mdsha($str) {
    
18. $code = substr ( md5 ( $str ), 10 );
    
19. $code .= substr ( sha1 ( $str ), 0, 28 );
    
20. $code .= substr ( md5 ( $str ), 0, 22 );
    
21. $code .= substr ( sha1 ( $str ), 16 ) . md5 ( $str );
    
22. return self::chkToken () ? $code : null;
    
23. }
    
24. /**
    
25. * Enter description here ...
    
26. * @param unknown_type $param
    
27. */
    
28. private final static function chkToken() {
    
29. return true;
    
30. }
    
31. /**
    
32. * Enter description here ...
    
33. * @param unknown_type $txt
    
34. * @param unknown_type $encrypt_key
    
35. * @return Ambigous <string, boolean>
    
36. */
    
37. private final static function keyED($txt, $encrypt_key) {
    
38. $encrypt_key = md5 ( $encrypt_key );
    
39. $ctr = 0;
    
40. $tmp = "";
    
41. for($i = 0; $i < strlen ( $txt ); $i ++) {
    
42. if ($ctr == strlen ( $encrypt_key ))
    
43. $ctr = 0;
    
44. $tmp .= substr ( $txt, $i, 1 ) ^ substr ( $encrypt_key, $ctr, 1 );
    
45. $ctr ++;
    
46. }
    
47. return $tmp;
    
48. }
    
49. /**
    
50. * Enter description here ...
    
51. * @param unknown_type $txt
    
52. * @param unknown_type $key
    
53. * @return string
    
54. */
    
55. public final static function Encrypt($txt, $key) {
    
56. srand ( ( double ) microtime () * 1000000 );
    
57. $encrypt_key = md5 ( rand ( 0, 32000 ) );
    
58. $ctr = 0;
    
59. $tmp = "";
    
60. for($i = 0; $i < strlen ( $txt ); $i ++) {
    
61. if ($ctr == strlen ( $encrypt_key ))
    
62. $ctr = 0;
    
63. $tmp .= substr ( $encrypt_key, $ctr, 1 ) . (substr ( $txt, $i, 1 ) ^ substr ( $encrypt_key, $ctr, 1 ));
    
64. $ctr ++;
    
65. }
    
66. $_code = md5 ( $encrypt_key ) . base64_encode ( self::keyED ( $tmp, $key ) ) . md5 ( $encrypt_key . $key );
    
67. return self::chkToken () ? $_code : null;
    
68. }
    
69. /**
    
70. * Enter description here ...
    
71. * @param unknown_type $txt
    
72. * @param unknown_type $key
    
73. * @return Ambigous <string, boolean>
    
74. */
    
75. public final static function Decrypt($txt, $key) {
    
76. $txt = self::keyED ( base64_decode ( substr ( $txt, 32, - 32 ) ), $key );
    
77. $tmp = "";
    
78. for($i = 0; $i < strlen ( $txt ); $i ++) {
    
79. $md5 = substr ( $txt, $i, 1 );
    
80. $i ++;
    
81. $tmp .= (substr ( $txt, $i, 1 ) ^ $md5);
    
82. }
    
83. return self::chkToken () ? $tmp : null;
    
84. }
    
85. /**
    
86. * Enter description here ...
    
87. * @var unknown_type
    
88. */
    
89. private static $_key = 'lau';
    
90. }
    
91. ?>

复制代码

使用方法：

1. <?php //Code Start
   
2. /**
   
3. * Copyright (c) 2011 XatuDream
   
4. * XatuDream All Rights Reserved.
   
5. * Support:185390516.qzone.qq.com
   
6. * QQ:185390516
   
7. * Author:LoveCrystal Version:1.01
   
8. * Date:2011-9-2 04:00:37
   
9. */
   
10. define ( 'WORKSPACE', '.' . DIRECTORY_SEPARATOR );
    
11. header ( "Content-Type: text/html; charset=utf-8" );
    
12. include_once 'Core/Library/MD5Crypt.class.php';
    
13. $a = MD5Crypt::Encrypt ( "A", 100 );
    
14. echo "EnCode:" . $a, "<br />";
    
15. echo "DeCode:" . MD5Crypt::Decrypt ( $a, 100 );
    
16. ?>

复制代码

来自圈子: Demo俱乐部