1 """Abstract class for RC4.""" 2 3 from compat import * #For False 4 5 class RC4: 6 def __init__(self, keyBytes, implementation): 7 if len(keyBytes) < 16 or len(keyBytes) > 256: 8 raise ValueError() 9 self.isBlockCipher = False 10 self.name = "rc4" 11 self.implementation = implementation 12 13 def encrypt(self, plaintext): 14 raise NotImplementedError() 15 16 def decrypt(self, ciphertext): 17 raise NotImplementedError()
