在使用Navicat 是都是習慣性的保存了密碼，久而久之后 就會忘記數據庫密碼， 這就很不舒服了，
但是，這有個技巧，可以查看navicat 已連接保存的密碼
首先去 導出連接
導出連接獲取到 connections.ncx 文件
這里記着 導出密碼！！！ 不然導出的文件里不包含加密的密碼
然后找到 文件里 password 字段的值
把他復制出來
開始破譯密碼
多虧一位Github上的大佬寫了個程序；可以直接破解這個加密密碼
程序是php的；如果本地沒裝php也沒關系 , 直接找個在線運行的工具 https://tool.lu/coderunner/
把代碼粘上去就行了
然后把剛復制的 加密密碼 替換倒數第二行 里的值 , 然后運行就行了
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$decode = $navicatPassword->decrypt('999239DEBFA1960BCCB12566F1F417A6');
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<?php
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)
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