navicat查看数据库连接密码

项目场景：

提示：这里简述项目相关背景：

查看 navicat 历史数据库连接的密码

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问题描述

提示：这里描述项目中遇到的问题：

重新编辑链接的时候是看不到连接数据库的密码

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解决方案：

提示：这里填写该问题的具体解决方案：

首先导出连接，导出的时候勾选上保存密码
文件 -> 导出连接 -> 勾选 导出密码，然后可以打开导出的文件，找到对应的密码
使用python脚本进行解密：

<?php
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);
	}
};


//需要指定版本两种，11或12
//$navicatPassword = new NavicatPassword(11);
//这里我指定的12的版本，原先指定的11，执行之后的密码是乱码
$navicatPassword = new NavicatPassword(12);

//解密
//$decode = $navicatPassword->decrypt('15057D7BA390');
$decode = $navicatPassword->decrypt('B7CBB69B0E46DB92091F1800E81EDFB3');
echo $decode."\n";
?>

可以使用 代码在线运行 来进行脚本执行