解密Navicat12-16保存的密码

首先从Navicat中导出密码，文件->导出链接，记得下面勾选导出密码

然后找到导出的文件，使用记事本打开，找到如下字段的密码值复制出来

复制出来后放到下面代码中(代码结尾处)，进行解密

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);
    }
}


//需要指定版本，11或12(12-16版本默认)
$navicatPassword = new NavicatPassword();

//解密
$decode = $navicatPassword->decrypt('BF93E7D*******87BE');
echo $decode . "\n";