The release of the film, The Imitation Game, about the life and work of Alan Turing, inspired the Guardian to publish this description of how the German encryption device worked—and why, like ...

Used during WWII to encrypt messages, the Enigma Machine has a fascinating history and unique workings. This animation delves into its mechanisms and significance. Further topics explored include ...

How does the Enigma machine work? Rotors at top left could be rotated to different settings, to generate different codes - more rotors made the code more difficult to crack ...

During World War II, the Germans used an encryption device called the Enigma, which Polish and English mathematicians worked tirelessly to crack.

The Enigma was a type of enciphering machine used by the German armed forces to send messages securely during the Second World War.

Like the Enigma Machine, the first typewriter was the method in which the plaintext, or unencrypted message, could be manually inputted.

If you don't know of Mavis Batey, you should. Her work cracking the Enigma machine's coded messages was crucial to the success of D-Day landings during WWII.

A rare enigma machine has gone on sale – to anyone with the $200,000 (£160,000) required to start the bidding.