It was high-tech encryption for an important period of time in the mid-1940s, so perhaps you can forgive us our obsession with the Enigma machine ... version with fixed rotor codes, or cut ...

The Enigma Machine was used during WWII ... These lights tell you how the keys will be scrambled up. The machine works like an electrical circuit. The rotors towards the back of the machine ...

ABSTRACT: A brief history and description of the first four models of the Enigma cipher machine, designed for the commercial ... Chiffrienmaschinen AG. Within a three-year period, four inventors in ...