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近期遇到需要将大部分已存储的navicat数据库转发给其他人,于是乎进行导出文件
奈何对方不用navicat,无法进行文件的导入从而导入链接
搜罗navicat的密码查看,大部分都为php代码解析
以下转载GitHub上看到的一个python代码解析的脚本
这里是对应的GitHub链接:GitHub - HyperSine/how-does-navicat-encrypt-password: Transferred from https://github.com/DoubleLabyrinth/how-does-navicat-encrypt-password
1.对应的代码文件
主要介绍使用其中的NavicatCipher.py 文件,附上对应的源码
#!/usr/bin/env python3
import sys
from Crypto.Hash import SHA1
from Crypto.Cipher import AES, Blowfish
from Crypto.Util import strxor, Paddingclass Navicat11Crypto:def __init__(self, Key=b'3DC5CA39'):self._Key = SHA1.new(Key).digest()self._Cipher = Blowfish.new(self._Key, Blowfish.MODE_ECB)self._IV = self._Cipher.encrypt(b'\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF')def EncryptString(self, s: str):if type(s) != str:raise TypeError('Parameter s must be a str.')else:plaintext = s.encode('ascii')ciphertext = b''cv = self._IVfull_round, left_length = divmod(len(plaintext), 8)for i in range(0, full_round * 8, 8):t = strxor.strxor(plaintext[i:i + 8], cv)t = self._Cipher.encrypt(t)cv = strxor.strxor(cv, t)ciphertext += tif left_length != 0:cv = self._Cipher.encrypt(cv)ciphertext += strxor.strxor(plaintext[8 * full_round:], cv[:left_length])return ciphertext.hex().upper()def DecryptString(self, s: str):if type(s) != str:raise TypeError('Parameter s must be str.')else:plaintext = b''ciphertext = bytes.fromhex(s)cv = self._IVfull_round, left_length = divmod(len(ciphertext), 8)for i in range(0, full_round * 8, 8):t = self._Cipher.decrypt(ciphertext[i:i + 8])t = strxor.strxor(t, cv)plaintext += tcv = strxor.strxor(cv, ciphertext[i:i + 8])if left_length != 0:cv = self._Cipher.encrypt(cv)plaintext += strxor.strxor(ciphertext[8 * full_round:], cv[:left_length])return plaintext.decode('ascii')class Navicat12Crypto(Navicat11Crypto):def __init__(self):super().__init__()def EncryptStringForNCX(self, s: str):cipher = AES.new(b'libcckeylibcckey', AES.MODE_CBC, iv=b'libcciv libcciv ')padded_plaintext = Padding.pad(s.encode('ascii'), AES.block_size, style='pkcs7')return cipher.encrypt(padded_plaintext).hex().upper()def DecryptStringForNCX(self, s: str):cipher = AES.new(b'libcckeylibcckey', AES.MODE_CBC, iv=b'libcciv libcciv ')padded_plaintext = cipher.decrypt(bytes.fromhex(s))return Padding.unpad(padded_plaintext, AES.block_size, style='pkcs7').decode('ascii')if __name__ == '__main__':def Help():print('Usage:')print(' NavicatCrypto.py <enc|dec> [-ncx] <plaintext|ciphertext>')print('')print(' <enc|dec> "enc" for encryption, "dec" for decryption.')print(' This parameter must be specified.')print('')print(' [-ncx] Indicate that plaintext/ciphertext is')print(' prepared for/exported from NCX file.')print(' This parameter is optional.')print('')print(' <plaintext|ciphertext> Plaintext string or ciphertext string.')print(' NOTICE: Ciphertext string must be a hex string.')print(' This parameter must be specified.')print('')def Main(argc: int, argv: list):if argc == 3:if argv[1].lower() == 'enc':print(Navicat11Crypto().EncryptString(argv[2]))elif argv[1].lower() == 'dec':print(Navicat11Crypto().DecryptString(argv[2]))else:Help()return -1elif argc == 4:if argv[1].lower() == 'enc' and argv[2].lower() == '-ncx':print(Navicat12Crypto().EncryptStringForNCX(argv[3]))elif argv[1].lower() == 'dec' and argv[2].lower() == '-ncx':print(Navicat12Crypto().DecryptStringForNCX(argv[3]))else:Help()return -1else:Help()return 0exit(Main(len(sys.argv), sys.argv))
2.准备工作
a.需要提前准备好需要破译的navicat导出文件,复制其中导出的密码内容
以:Password="833E4ABBC56C89041A9070F043641E3B" 为例子
b.需要提前安装好对应的依赖包
pip install pycryptodome
3.开始
找到存放py文件的地方,进入控制台
可以从目录进,也可以从pycharm中直接打开
执行以下命令
python ./NavicatCipher.py
会得到以下的提示
enc 加密 dec 解密 -ncx指从navicat导出密码的密文选项
输入以下指令
python ./NavicatCipher.py dec -ncx 833E4ABBC56C89041A9070F043641E3B
进行解密