Enigma-machine---python-turtle

A module to recreate a digital enigma machine with a working UI and the ability to setup the machine to encrypt/decrypt any messages

Usage: enigma.py

The machine class holds all the functions to recreate an enigma machine with an arbitary number of rotors

machine(rotors = None)

rotors: a list of strings, each of length 26 representing the mapping from each rotor's input character to the output character

For a rotor with mapping 'dmtwsilruyqnkfejcazbpgxohv' at position 0, a will be mapped to d, b will be mapped to m, and so on.

compute(msg, reset = False)

msg: the input message to be encrypted/decrypted reset: if reset is set to True, the rotors will be reset to position 0 after execution

plugboard_config(board)

board: a string of length 26 which represents the plugboard mapping. Two letters must map to each other

passing dbcaefghijklmnopqrstuvwxyz will configure the plugboard to swap a and d

set_rotor_position(rot = [], pos = [])

rot: list of indicies of rotors for which we want to change the position pos: list of new positions for each corresponding rotor in rot NOTE: rot and pos must be of the same length

set_rotor_position([1],[1]) will set the rotor at index 1 to position 1

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Usage: turtle - enigma machine.py

After the script is ran, a turtle graphics window will show up. It takes keyboard input from the device and processes it. The encrypted/decrypted characters will show on the screen.

resetting

To reset, press the grey square near the bottom

plugboard

This implementation currently does not support plugboard editing