SecureCRTSecure7.0查看连接密码的步骤

 --ip地址 S:"Hostname"=192.168.0.145 --登录用户 S:"Username"=root --端口，加密 D:"[SSH2] 端口"=00000016 --密码，加密，解密需要u之后的字符串 S:"Password"=u2c7d50aae53e14eb94ef0cb377c247a77c2dbcea95333365

 #!/usr/bin/env python3 import os from Crypto.Hash import SHA256 from Crypto.Cipher import AES, Blowfish class SecureCRTCrypto: def __init__(self): ''' Initialize SecureCRTCrypto object. ''' self.IV = b'\x00' * Blowfish.block_size self.Key1 = b'\x24\xA6\x3D\xDE\x5B\xD3\xB3\x82\x9C\x7E\x06\xF4\x08\x16\xAA\x07' self.Key2 = b'\x5F\xB0\x45\xA2\x94\x17\xD9\x16\xC6\xC6\xA2\xFF\x06\x41\x82\xB7' def Encrypt(self, Plaintext : str): ''' Encrypt plaintext and return corresponding ciphertext. Args: Plaintext: A string that will be encrypted. Returns: Hexlified ciphertext string. ''' plain_bytes = Plaintext.encode('utf-16-le') plain_bytes += b'\x00\x00' padded_plain_bytes = plain_bytes + os.urandom(Blowfish.block_size - len(plain_bytes) % Blowfish.block_size) cipher1 = Blowfish.new(self.Key1, Blowfish.MODE_CBC, iv = self.IV) cipher2 = Blowfish.new(self.Key2, Blowfish.MODE_CBC, iv = self.IV) return cipher1.encrypt(os.urandom(4) + cipher2.encrypt(padded_plain_bytes) + os.urandom(4)).hex() def Decrypt(self, Ciphertext : str): ''' Decrypt ciphertext and return corresponding plaintext. Args: Ciphertext: A hex string that will be decrypted. Returns: Plaintext string. ''' cipher1 = Blowfish.new(self.Key1, Blowfish.MODE_CBC, iv = self.IV) cipher2 = Blowfish.new(self.Key2, Blowfish.MODE_CBC, iv = self.IV) ciphered_bytes = bytes.fromhex(Ciphertext) if len(ciphered_bytes)  0xffffffff: raise OverflowError('Plaintext is too long.') plain_bytes = \ len(plain_bytes).to_bytes(4, 'little') + \ plain_bytes + \ SHA256.new(plain_bytes).digest() padded_plain_bytes = \ plain_bytes + \ os.urandom(AES.block_size - len(plain_bytes) % AES.block_size) cipher = AES.new(self.Key, AES.MODE_CBC, iv = self.IV) return cipher.encrypt(padded_plain_bytes).hex() def Decrypt(self, Ciphertext : str): ''' Decrypt ciphertext and return corresponding plaintext. Args: Ciphertext: A hex string that will be decrypted. Returns: Plaintext string. ''' cipher = AES.new(self.Key, AES.MODE_CBC, iv = self.IV) padded_plain_bytes = cipher.decrypt(bytes.fromhex(Ciphertext)) plain_bytes_length = int.from_bytes(padded_plain_bytes[0:4], 'little') plain_bytes = padded_plain_bytes[4:4 + plain_bytes_length] if len(plain_bytes) != plain_bytes_length: raise ValueError('Invalid Ciphertext.') plain_bytes_digest = padded_plain_bytes[4 + plain_bytes_length:4 + plain_bytes_length + SHA256.digest_size] if len(plain_bytes_digest) != SHA256.digest_size: raise ValueError('Invalid Ciphertext.') if SHA256.new(plain_bytes).digest() != plain_bytes_digest: raise ValueError('Invalid Ciphertext.') return plain_bytes.decode('utf-8') if __name__ == '__main__': import sys def Help(): print('Usage:') print('    SecureCRTCipher.py  [-v2] [-p ConfigPassphrase] ') print('') print('                  "enc" for encryption, "dec" for decryption.') print('                           This parameter must be specified.') print('') print('    [-v2]                  Encrypt/Decrypt with "Password V2" algorithm.') print('                           This parameter is optional.') print('') print('    [-p ConfigPassphrase]  The config passphrase that SecureCRT uses.') print('                           This parameter is optional.') print('') print('     Plaintext string or ciphertext string.') print('                           NOTICE: Ciphertext string must be a hex string.') print('                           This parameter must be specified.') print('') def EncryptionRoutine(UseV2 : bool, ConfigPassphrase : str, Plaintext : str): try: if UseV2: print(SecureCRTCryptoV2(ConfigPassphrase).Encrypt(Plaintext)) else: print(SecureCRTCrypto().Encrypt(Plaintext)) return True except: print('Error: Failed to encrypt.') return False def DecryptionRoutine(UseV2 : bool, ConfigPassphrase : str, Ciphertext : str): try: if UseV2: print(SecureCRTCryptoV2(ConfigPassphrase).Decrypt(Ciphertext)) else: print(SecureCRTCrypto().Decrypt(Ciphertext)) return True except: print('Error: Failed to decrypt.') return False def Main(argc : int, argv : list): if 3 <= argc and argc <= 6: bUseV2 = False ConfigPassphrase = '' if argv[1].lower() == 'enc': bEncrypt = True elif argv[1].lower() == 'dec': bEncrypt = False else: Help() return -1 i = 2 while i </div><p>将上面的python代码保存为：SecureCRTCipher.py，使用分为两种情况：</p><p>第一种：</p><p>密码的格式如下：</p><blockquote>S:"PasswordV2"=02:7b9f594a1f39bb36bbaa0d9688ee38b3d233c67b338e20e2113f2ba4d328b6fc8c804e3c02324b1eaad57a5b96ac1fc5cc1ae0ee2930e6af2e5e644a28ebe3fc</p></blockquote><p>执行脚本：</p><blockquote>python SecureCRTCipher.py dec -v2 7b9f594a1f39bb36bbaa0d9688ee38b3d233c67b338e20e2113f2ba4d328b6fc8c804e3c02324b1eaad57a5b96ac1fc5cc1ae0ee2930e6af2e5e644a28ebe3fc</p></blockquote><p>第二种：</p><p>密码的格式如下：</p><blockquote>S:"Password"=uc71bd1c86f3b804e42432f53247c50d9287f410c7e59166969acab69daa6eaadbe15c0c54c0e076e945a6d82f9e13df2</p></blockquote><p>执行脚本：注意密码的字符串去掉u</p><blockquote>python SecureCRTCipher.py dec c71bd1c86f3b804e42432f53247c50d9287f410c7e59166969acab69daa6eaadbe15c0c54c0e076e945a6d82f9e13df2</p></blockquote><p>执行上述脚本，python需要安装pycryptodome模块，安装脚本：</p><div class="gaodaimacode"><pre class="prettyprint linenums"> pip install pycryptodome