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... > social science subjects > politics and international relations > political science > war, peace and terrorism > war and society > war and technology > ultra and enigma

Terme préférentiel

ultra and enigma  

Définition

  • In the early 1920s a German manufacturer advertised an enciphering machine that it declared unbreakable. The machine, called the Enigma, used a series of rotors and electrical plugs to encipher a message before transmission. [Source: Encyclopedia of War & American Society; Ultra and Enigma]

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URI

http://data.loterre.fr/ark:/67375/N9J-RH4GTFMJ-H

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