The Story of Enigma: The story of the Enigma began in the 1920s when German military began using the machine, developed for the business market, to communicate in unintelligible coded messages. It worked by allowing its operator to type a message and then scramble it. During WWII, the Nazis believed its secret codes for radio messages were indecipherable to the Allies so they used the machine for battlefield, naval and diplomatic communications. It was during the 1940 Norwegian campaign that the painstaking..