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Seung Yoo Yang

BBC - History - World Wars: Breaking Germany's Enigma Code - 0 views

www.bbc.co.uk/...enigma_01.shtml

shared by Seung Yoo Yang on 10 Apr 13 - Cached
    • Seung Yoo Yang
      Seung Yoo Yang on 10 Apr 13
       
      What is it? 
  • informing him of plans to invade the United States. On being notified of these plans, officials in Washington were understandably perturbed, and hastened to effect the entry of the US into the war.
  • the German defence establishment was eager to improve its compromised communications system, and recognised
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  • the potential of a signalling device that had originally been made for the business market.
  • Enigma allowed an operator to type in a message, then scramble it by means of three to five notched wheels, or rotors, which displayed different letters of the alphabet. The receiver needed to know the exact settings of these rotors in order to reconstitute the coded text. Over the years the basic machine became more complicated, as German code experts added plugs with electronic circuits.
    • Seung Yoo Yang
      Seung Yoo Yang on 10 Apr 13
       
      How it was used, could become one of our slide
  • Dr Arthur Scherbius had developed his 'Enigma' machine, capable of transcribing coded information, in the hope of interesting commercial companies in secure communications
  • Britain and her allies first understood the problems posed by this machine in 1931, when a German spy, Hans Thilo Schmidt, allowed his French spymasters to photograph stolen Enigma operating manuals, although neither French nor British cryptanalysts could at first make headway in breaking the Enigma cipher.
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