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#!/usr/bin/python
import botan, base64
class MyCipher(botan.BlockCipherImpl):
def __init__(self):
botan.BlockCipherImpl.__init__(self, 8, 8, 16, 1)
def name(self):
return "MyCipher"
def encrypt(self, input):
return input.swapcase()
def decrypt(self, input):
return input.swapcase()
def set_key(self, key):
print "Got key",key
def test(cipher):
print
print cipher
print "Testing", cipher.name()
print cipher.block_size
print cipher.keylength_min, cipher.keylength_max, cipher.keylength_mod
for i in range(1, 64):
if cipher.valid_keylength(i):
print "1",
else:
print "0",
print
cipher.set_key(botan.SymmetricKey(16))
ciphertext = cipher.encrypt("aBcDeFgH" * (cipher.block_size / 8))
print repr(ciphertext)
print cipher.decrypt(ciphertext)
def main():
test(botan.BlockCipher("Blowfish"))
test(MyCipher())
test(botan.BlockCipher("AES"))
if __name__ == "__main__":
main()
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