blob: 8117f34b85e168c5330a335887889c367da28cbc [file] [log] [blame]
# Author: Trevor Perrin
# See the LICENSE file for legal information regarding use of this file.
"""PyCrypto 3DES implementation."""
from .cryptomath import *
from .tripledes import *
if pycryptoLoaded:
import Crypto.Cipher.DES3
def new(key, mode, IV):
return PyCrypto_TripleDES(key, mode, IV)
class PyCrypto_TripleDES(TripleDES):
def __init__(self, key, mode, IV):
TripleDES.__init__(self, key, mode, IV, "pycrypto")
key = bytes(key)
IV = bytes(IV)
self.context = Crypto.Cipher.DES3.new(key, mode, IV)
def encrypt(self, plaintext):
plaintext = bytes(plaintext)
return bytearray(self.context.encrypt(plaintext))
def decrypt(self, ciphertext):
ciphertext = bytes(ciphertext)
return bytearray(self.context.decrypt(ciphertext))