目录
查看Navicat加密的数据库密码
1、打开运行窗口，输入regedit，点击确认按钮，打开注册表编辑器
2、在注册表中找到Navicat加密后的密码
3、打开PHP在线运行工具，粘贴解密代码
4. 修改倒数第三行NavicatPassword的版本值
5、更改倒数第二行decrypt()方法中的字符串为Navicat加密后的密码
6、点击执行，右侧得到解密后的密码
查看Navicat加密的数据库密码
背景：本机装的MySQL数据库密码忘记了，打开了Navicat连接过数据库，不过密码是加密的，既然能加密那就能解密，哈哈哈哈。
解密后发现密码居然是password，好尴尬
1、打开运行窗口，输入regedit，点击确认按钮，打开注册表编辑器
2、在注册表中找到Navicat加密后的密码
展开【HKEY_CURRENT_USER】展开【Software】展开【PremiumSoft】展开【NavicatPG】展开【Servers】选择 【MySQL】右侧找到 pwd，双击并复制数值数据3、打开PHP在线运行工具，粘贴解密代码
工具地址：https://tool.lu/coderunner复制解密代码到工具中<?phpclass NavicatPassword{protected $version = 0;protected $aesKey = 'libcckeylibcckey';protected $aesIv = 'libcciv libcciv ';protected $blowString = '3DC5CA39';protected $blowKey = null;protected $blowIv = null;public function __construct($version = 12){$this->version = $version;$this->blowKey = sha1('3DC5CA39', true);$this->blowIv = hex2bin('d9c7c3c8870d64bd');}public function encrypt($string){$result = FALSE;switch ($this->version) {case 11:$result = $this->encryptEleven($string);break;case 12:$result = $this->encryptTwelve($string);break;default:break;}return $result;}protected function encryptEleven($string){$round = intval(floor(strlen($string) / 8));$leftLength = strlen($string) % 8;$result = '';$currentVector = $this->blowIv;for ($i = 0; $i < $round; $i++) {$temp = $this->encryptBlock($this->xorBytes(substr($string, 8 * $i, 8), $currentVector));$currentVector = $this->xorBytes($currentVector, $temp);$result .= $temp;}if ($leftLength) {$currentVector = $this->encryptBlock($currentVector);$result .= $this->xorBytes(substr($string, 8 * $i, $leftLength), $currentVector);}return strtoupper(bin2hex($result));}protected function encryptBlock($block){return openssl_encrypt($block, 'BF-ECB', $this->blowKey, OPENSSL_RAW_DATA|OPENSSL_NO_PADDING);}protected function decryptBlock($block){return openssl_decrypt($block, 'BF-ECB', $this->blowKey, OPENSSL_RAW_DATA|OPENSSL_NO_PADDING);}protected function xorBytes($str1, $str2){$result = '';for ($i = 0; $i < strlen($str1); $i++) {$result .= chr(ord($str1[$i]) ^ ord($str2[$i]));}return $result;}protected function encryptTwelve($string){$result = openssl_encrypt($string, 'AES-128-CBC', $this->aesKey, OPENSSL_RAW_DATA, $this->aesIv);return strtoupper(bin2hex($result));}public function decrypt($string){$result = FALSE;switch ($this->version) {case 11:$result = $this->decryptEleven($string);break;case 12:$result = $this->decryptTwelve($string);break;default:break;}return $result;}protected function decryptEleven($upperString){$string = hex2bin(strtolower($upperString));$round = intval(floor(strlen($string) / 8));$leftLength = strlen($string) % 8;$result = '';$currentVector = $this->blowIv;for ($i = 0; $i < $round; $i++) {$encryptedBlock = substr($string, 8 * $i, 8);$temp = $this->xorBytes($this->decryptBlock($encryptedBlock), $currentVector);$currentVector = $this->xorBytes($currentVector, $encryptedBlock);$result .= $temp;}if ($leftLength) {$currentVector = $this->encryptBlock($currentVector);$result .= $this->xorBytes(substr($string, 8 * $i, $leftLength), $currentVector);}return $result;}protected function decryptTwelve($upperString){$string = hex2bin(strtolower($upperString));return openssl_decrypt($string, 'AES-128-CBC', $this->aesKey, OPENSSL_RAW_DATA, $this->aesIv);}};//需要指定版本两种，11或12//$navicatPassword = new NavicatPassword(11);$navicatPassword = new NavicatPassword(12);//解密//$decode = $navicatPassword->decrypt('15057D7BA390');$decode = $navicatPassword->decrypt('E75BF077AB8BAA3AC2D5'); // 替换成上一步的数据数值echo $decode."\n";?>
