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"""Abstract class for RC4."""
from compat import * #For False
class RC4:
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()
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