Bombe
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The bombe was an electromechanical device used by British cryptologists to help to decrypt German Enigma-machine-generated signals during World War II. The US Navy and US Army also used their own developments of it in collaboration with the British. The functional design of the bombe was produced by Alan Turing, with an important refinement suggested by Gordon Welchman. The engineering design and construction was the work of Harold Keen of the British Tabulating Machine Company. It was a substantial development from a device that had been designed in 1938 by Polish Cipher Bureau cryptologist…mehr

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The bombe was an electromechanical device used by British cryptologists to help to decrypt German Enigma-machine-generated signals during World War II. The US Navy and US Army also used their own developments of it in collaboration with the British. The functional design of the bombe was produced by Alan Turing, with an important refinement suggested by Gordon Welchman. The engineering design and construction was the work of Harold Keen of the British Tabulating Machine Company. It was a substantial development from a device that had been designed in 1938 by Polish Cipher Bureau cryptologist Marian Rejewski, and known as the "cryptologic bomb".The function of the bombe was to discover some of the daily settings of the Enigma machines on the various German military networks; specifically the set of rotors in use and their positions in the machine, and the wiring of the plugboard.