29 lines
No EOL
872 B
Python
29 lines
No EOL
872 B
Python
# Author: Trevor Perrin
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# See the LICENSE file for legal information regarding use of this file.
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"""PyCrypto 3DES implementation."""
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from .cryptomath import *
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from .tripledes import *
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if pycryptoLoaded:
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import Crypto.Cipher.DES3
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def new(key, mode, IV):
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return PyCrypto_TripleDES(key, mode, IV)
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class PyCrypto_TripleDES(TripleDES):
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def __init__(self, key, mode, IV):
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TripleDES.__init__(self, key, mode, IV, "pycrypto")
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key = bytes(key)
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IV = bytes(IV)
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self.context = Crypto.Cipher.DES3.new(key, mode, IV)
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def encrypt(self, plaintext):
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plaintext = bytes(plaintext)
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return bytearray(self.context.encrypt(plaintext))
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def decrypt(self, ciphertext):
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ciphertext = bytes(ciphertext)
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return bytearray(self.context.decrypt(ciphertext)) |