Known for breaking the extremely complicated German Enigma code they also broke the Lorenz cipher used between the leading members of the Nazi regime and army This work done by the translators and codebreakers at Bletchley Park was classified as an Ultra secret which was a new category above Top secretThe Public Enigma is free to download and can be used for noncommercial or educational purposes The simulator contains 13 Enigma variants developed over a 19 year period () They are constructed and wired in the exact same way as the actual Enigma'sTool to decrypt/encrypt with Enigma automatically Enigma is a german ciphering/deciphering machine Based on an electromechanic system using rotors, it allowed to cipher german communications during World War II
Enigma Machine Wikipedia