Enigma Cryptography Machine

.]] In the History Of Cryptography , the Enigma was a portable Cipher Machine used to Encrypt and decrypt secret messages. More precisely, Enigma was a family of related electro-mechanical Rotor Machine s — comprising a variety of different models. The Enigma was used commercially from the early 1920s on, and was also adopted by the military and governmental services of a number of nations — most famously by Nazi Germany before and during World War II . The German military model, the Wehrmacht Enigma, is the version most commonly discussed. The machine has gained notoriety because Allied Cryptologist s were able to Decrypt a large number of messages that had been Encipher ed on the machine. The Intelligence gained through this source — codenamed ULTRA — was a significant aid to the Allied war effort. The exact influence of ULTRA is debated, but a typical assessment is that the End Of The European War was hastened by two years because of the decryption of German ciphers. Although the Enigma cipher has cryptographic weaknesses, it was, in practice, only their combination with other significant factors which allowed codebreakers to read messages: mistakes by operators, procedural flaws, and the occasional captured machine or Codebook . This article discusses the Enigma machine itself: its components and its procedures. For the history and techniques of how Enigma was broken, see Cryptanalysis Of The Enigma . For a discussion of how Enigma-derived intelligence was put to use, see ''' ULTRA '''. __TOC__ DESCRIPTION
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Enigma Cryptography Machine