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List of Enigma machine simulators lists software implementations of the Enigma machine, a rotor cypher device that was invented by German engineer Arthur Scherbius at the end of World War I. [ 1 ] and used in the early- to mid-20th century to protect commercial, [ 2 ] diplomatic, and military communication.
The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication. It was employed extensively by Nazi Germany during World War II, in all branches of the German military. The Enigma machine was considered so secure that it was used to encipher the most top ...
Typex was based on the commercial Enigma machine, but incorporated a number of additional features to improve the security. This model, a Typex 22, was a late variant, incorporating two plugboards. In the history of cryptography , Typex (alternatively, Type X or TypeX ) machines were British cipher machines used from 1937.
SIGABA cipher machine at the National Cryptologic Museum, with removable rotor assembly on top. In the history of cryptography, the ECM Mark II was a cipher machine used by the United States for message encryption from World War II until the 1950s.
The machine was developed by British mathematician Alan Turing, and it was used to decode messages sent by the Nazi military. Bought for $115, a WWII Enigma machine sells for $51,000 Skip to main ...
The German Enigma used a combination key to control the operation of the machine: rotor order, which rotors to install, which ring setting for each rotor, which initial setting for each rotor, and the settings of the stecker plugboard. The rotor settings were trigrams (for example, "NJR") to indicate the way the operator was to set the machine.
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While the Enigma machine was generally used by field units, the T52 was an online machine used by Luftwaffe and German Navy units, which could support the heavy machine, teletypewriter and attendant fixed circuits. It fulfilled a similar role to the Lorenz cipher machines in the German Army.