The Imitation Game war (and the puzzle was not set by Turing, who was no good at them). Google, which sponsored the New York Premiere of the film, launched a competition called "The Code-Cracking Challenge" on 23 November 2014. It is a skill contest where entrants must crack a code provided by Google. The prize/s will be awarded to entrant/s who crack the code and submit their entry the fastest. In November 2014, ahead of the film's US release, "The New York Times" reprinted the 1942 puzzle from "The Daily Telegraph" used in recruiting codebreakers at Bletchley Park during the Second World War.
Cryptanalysis of the Enigma Cryptanalysis of the Enigma Cryptanalysis of the Enigma ciphering system enabled the western Allies in World War II to read substantial amounts of Morse-coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from other decrypted Axis radio and teleprinter transmissions, was given the codename "Ultra". This was considered by western Supreme Allied Commander Dwight D. Eisenhower to have been "decisive" to the Allied victory. The Enigma machines were a family of portable cipher machines with rotor scramblers. Good operating procedures, properly enforced, would have made the plugboard