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 all good ...

An Enigma machine is any of a family of related electro-mechanical rotor cipher machines used for the encryption and decryption of secret messages. Enigma was invented by the German engineer Arthur ...

An extremely rare and operational Nazi Enigma encryption machine, famously cracked by Allied codebreakers during World War II, has sold for nearly half a million euros in Paris, double its expected ...