decrypt.py

>>> from Crypto.Cipher import DES
>>> obj=DES.new('abcdefgh', DES.MODE_ECB)
>>> plain="Guido van Rossum is a space alien."
>>> len(plain)
34
>>> obj.encrypt(plain)
Traceback (innermost last):
  File "<stdin>", line 1, in ?
ValueError: Strings for DES must be a multiple of 8 in length
>>> ciph=obj.encrypt(plain+'XXXXXX')
>>> ciph
'\021,\343Nq\214DY\337T\342pA\372\255\311s\210\363,\300j\330\250\312\347\342I\3215w\03561\303dgb/\006'
>>> obj.decrypt(ciph)
'Guido van Rossum is a space alien.XXXXXX'


------------------------

from enigma.machine import EnigmaMachine

# setup machine according to specs from a daily key sheet:

machine = EnigmaMachine.from_key_sheet(
       rotors='II IV V',
       reflector='B',
       ring_settings=[1, 20, 11],
       plugboard_settings='AV BS CG DL FU HZ IN KM OW RX')

# set machine initial starting position
machine.set_display('WXC')

# decrypt the message key
msg_key = machine.process_text('KCH')

# decrypt the cipher text with the unencrypted message key
machine.set_display(msg_key)

ciphertext = 'NIBLFMYMLLUFWCASCSSNVHAZ'
plaintext = machine.process_text(ciphertext)

print(plaintext)