navicat如何查询已连接的数据库密码信息
发布于 2021-09-14 06:19
好久之前，我在电脑上装了一个linux系统，安装了数据库，今天想用这个数据库，之前我连接过，但是密码忘了，一般我都是设置比较简单的密码，结果还都不对。接下来教大家如何在navicat已连接的数据库中获取密码信息。
注意：本文讲的是连接过数据库信息，忘记密码的情况哦。
如图，我的ip地址是192.168.169.132：
密码是不能复制，且看不到。
如何找到密码
第一步打开注册表
windows键+r，输入 regedit
打开注册表，找到该路径，也可以直接粘贴到上面地址栏。
计算机\HKEY_CURRENT_USER\SOFTWARE\PremiumSoft
找到需要找密码的地方，比如我是要找132这个连接。
找到132，选中。
找到pwd，双击打开。
赋值该数值数据。
第二步进行解密
打开网址：https://tool.lu/coderunner/
把下面代码粘贴到代码区域
namespace FatSmallTools;class 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, $this->aesIv);}}use FatSmallTools\NavicatPassword;//需要指定版本，11或12//$navicatPassword = new NavicatPassword(12);$navicatPassword = new NavicatPassword(11);//解密$decode = $navicatPassword->decrypt('');echo $decode."\n";
就可以得到密码了哦！
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