Daily Archives: 24 February 2021

Enigma: a story about cipher mishandling

Enigma: a story about cipher mishandling

Enigma was a portable cipher machine producing a polyalphabetic substitution cipher. It had up to 5 rotor scramblers. Many versions included many sets of plugboard connections, which allowed a further swap of a letter with another once encrypted. Its inventor Arthur Scherbius originally developed it for commercial use in the 1920s. He later sold it to German Armed Forces since the early 1930s. The military Enigma equipped with 5 rotors and 10 plugboard connections has 158,962,555,217,826,360,000 possible combinations. Good operating procedures, properly enforced, would have made Enigma unbreakable in the 1940s. History teaches us that this was not the case. Many historians agree that the Allies won WW2 thanks to the deciphering of […]

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