| # Author: Trevor Perrin | |
| # See the LICENSE file for legal information regarding use of this file. | |
| """Abstract class for RC4.""" | |
| class RC4(object): | |
| def __init__(self, keyBytes, implementation): | |
| if len(keyBytes) < 16 or len(keyBytes) > 256: | |
| raise ValueError() | |
| self.isBlockCipher = False | |
| self.name = "rc4" | |
| self.implementation = implementation | |
| def encrypt(self, plaintext): | |
| raise NotImplementedError() | |
| def decrypt(self, ciphertext): | |
| raise NotImplementedError() |