def triple_encrypt_ascii(text_to_encrypt):
f = FeistelCipher()
key = "stiansandvestiansandv"
cipher = f.triple_encrypt(text_to_encrypt, key)
decrypted = f.triple_decrypt(cipher.to01(), key)
decrypted_text = decrypted.tobytes()
decrypted_text = decrypted_text.replace("\x00", "")
return decrypted_text
def main():
feistel = FeistelCipher()
while True:
encrypt = raw_input('\nChoose method:\n1. Encrypt\n2. '
'Decrypt\n3. Exit\n')
if encrypt == '3':
break
text = raw_input('Enter plaintext or ciphertext: ')
key = raw_input('Enter 168 bit key (21 characters): ')
if encrypt == '1':
result = feistel.triple_encrypt(text, key)
print 'encrypting ...\n\n'
elif encrypt == '2':
result = feistel.triple_decrypt(text, key)
print 'decrypting ...\n\n'
print ('Binary: ' + result.to01())
print ('UTF-8: ' + result.tobytes())
