<?php
class NavicatPassword {
private $version = 0;
private $aesKey = 'libcckeylibcckey';
private $aesIv = 'libcciv libcciv ';
private $blowString = '3DC5CA39';
private $blowKey = null;
private $blowIv = null;
public function __construct($version = 12) {
$this->version = $version;
$this->blowKey = sha1('3DC5CA39', true);
$this->blowIv = hex2bin('d9c7c3c8870d64bd');
}
public function decrypt($string) {
$result = FALSE;
if ($this->version == 12) {
$result = $this->decryptTwelve($string);
} else {
$result = $this->decryptEleven($string);
}
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, $this->aesIv);
}
protected function encryptBlock($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;
}
}
// 填入你Navicat中的加密密码
$encryptedPassword = '1CC99E38FD27AE370628ABE46B90C424';
// 尝试Navicat 12版本解密
$navicatPassword = new NavicatPassword(12);
$decode12 = $navicatPassword->decrypt($encryptedPassword);
// 尝试Navicat 11版本解密
$navicatPassword = new NavicatPassword(11);
$decode11 = $navicatPassword->decrypt($encryptedPassword);
echo "尝试Navicat 12版本解密: ". $decode12."\n";
echo "尝试Navicat 11版本解密: ". $decode11."\n";
?>