01-查看Navicat加密的数据库密码

1. <?php
2. class NavicatPassword
3. {
4. protected $version = 0;
5. protected $aesKey = 'libcckeylibcckey';
6. protected $aesIv = 'libcciv libcciv ';
7. protected $blowString = '3DC5CA39';
8. protected $blowKey = null;
9. protected $blowIv = null;
10. 
11. public function __construct($version = 12)
12.     {
13. $this->version = $version;
14. $this->blowKey = sha1('3DC5CA39', true);
15. $this->blowIv = hex2bin('d9c7c3c8870d64bd');
16.     }
17. 
18. public function encrypt($string)
19.     {
20. $result = FALSE;
21. switch ($this->version) {
22. case 11:
23. $result = $this->encryptEleven($string);
24. break;
25. case 12:
26. $result = $this->encryptTwelve($string);
27. break;
28. default:
29. break;
30.         }
31. 
32. return $result;
33.     }
34. 
35. protected function encryptEleven($string)
36.     {
37. $round = intval(floor(strlen($string) / 8));
38. $leftLength = strlen($string) % 8;
39. $result = '';
40. $currentVector = $this->blowIv;
41. 
42. for ($i = 0; $i < $round; $i++) {
43. $temp = $this->encryptBlock($this->xorBytes(substr($string, 8 * $i, 8), $currentVector));
44. $currentVector = $this->xorBytes($currentVector, $temp);
45. $result .= $temp;
46.         }
47. 
48. if ($leftLength) {
49. $currentVector = $this->encryptBlock($currentVector);
50. $result .= $this->xorBytes(substr($string, 8 * $i, $leftLength), $currentVector);
51.         }
52. 
53. return strtoupper(bin2hex($result));
54.     }
55. 
56. protected function encryptBlock($block)
57.     {
58. return openssl_encrypt($block, 'BF-ECB', $this->blowKey, OPENSSL_RAW_DATA|OPENSSL_NO_PADDING);
59.     }
60. 
61. protected function decryptBlock($block)
62.     {
63. return openssl_decrypt($block, 'BF-ECB', $this->blowKey, OPENSSL_RAW_DATA|OPENSSL_NO_PADDING);
64.     }
65. 
66. protected function xorBytes($str1, $str2)
67.     {
68. $result = '';
69. for ($i = 0; $i < strlen($str1); $i++) {
70. $result .= chr(ord($str1[$i]) ^ ord($str2[$i]));
71.         }
72. 
73. return $result;
74.     }
75. 
76. protected function encryptTwelve($string)
77.     {
78. $result = openssl_encrypt($string, 'AES-128-CBC', $this->aesKey, OPENSSL_RAW_DATA, $this->aesIv);
79. return strtoupper(bin2hex($result));
80.     }
81. 
82. public function decrypt($string)
83.     {
84. $result = FALSE;
85. switch ($this->version) {
86. case 11:
87. $result = $this->decryptEleven($string);
88. break;
89. case 12:
90. $result = $this->decryptTwelve($string);
91. break;
92. default:
93. break;
94.         }
95. 
96. return $result;
97.     }
98. 
99. protected function decryptEleven($upperString)
100.     {
101. $string = hex2bin(strtolower($upperString));
102. 
103. $round = intval(floor(strlen($string) / 8));
104. $leftLength = strlen($string) % 8;
105. $result = '';
106. $currentVector = $this->blowIv;
107. 
108. for ($i = 0; $i < $round; $i++) {
109. $encryptedBlock = substr($string, 8 * $i, 8);
110. $temp = $this->xorBytes($this->decryptBlock($encryptedBlock), $currentVector);
111. $currentVector = $this->xorBytes($currentVector, $encryptedBlock);
112. $result .= $temp;
113.         }
114. 
115. if ($leftLength) {
116. $currentVector = $this->encryptBlock($currentVector);
117. $result .= $this->xorBytes(substr($string, 8 * $i, $leftLength), $currentVector);
118.         }
119. 
120. return $result;
121.     }
122. 
123. protected function decryptTwelve($upperString)
124.     {
125. $string = hex2bin(strtolower($upperString));
126. return openssl_decrypt($string, 'AES-128-CBC', $this->aesKey, OPENSSL_RAW_DATA, $this->aesIv);
127.     }
128. };
129. 
130. 
131. //需要指定版本两种，11或12
132. //$navicatPassword = new NavicatPassword(11);
133. $navicatPassword = new NavicatPassword(12);
134. 
135. //解密
136. //$decode = $navicatPassword->decrypt('15057D7BA390');
137. $decode = $navicatPassword->decrypt('E75BF077AB8BAA3AC2D5');  // 替换成上一步的数据数值
138. echo $decode."\n";
139. ?>