README
======
The files in this archive are useful for testing the 
early methods used by the Poles to determine the daily key.

M3.py           An Enigma simulator.
permu.py        A program that calculates F-equations based i
                on A-equations and the right-hand rotor.
                Without option, the program print the Grill.
catalog-F.py    A program that generates the F-Catalog.
scan_grund.py   A program that tests all rotor positions to 
                find the one that allows the beginning of the 
                message to be decrypted.

Note: The programs permu.py and catalog-F.py require the symy 
library to be installed.

This archive contains also the F-Catalog for UKW A and B.
