The first step in breaking any cipher is to try to find features ... which is why the wheels of the Enigma machine were designed to move around one step after each 26 key strokes.

Their project is instead modeled on the original Enigma M4 cipher machine, and aside from a bit of artistic license, we think they nailed the visual style. As for functionality, the guide claims ...

Hagelin B-21; the beginning of the Hagelin pin wheel machines, superficially resembling the Enigma; developed by Boris Hagelin based on Arvid Gerhard Damm's patented design of the B-18; it has two pin ...

With this fun challenge, brought to you in partnership with the Science Museum Group, you and your child can learn how to make a cipher wheel together and use it to send secret messages to one ...

Probably the most important cryptographic event of the war was the successful decryption by the Allies of the German "Enigma" Cipher. The first complete break into Enigma was accomplished by ...

and for over a year Bletchley Park was able to use these decrypts to gain intelligence in areas not covered by Enigma or other broken systems. Like the Playfair, the Double Playfair cipher uses ...