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Encryption of WWII

Explore the fascinating world of WWII encryption through the Enigma machine. Learn about the Polish mathematical analysis, Alan Turing's "Bombe" machine, the U-Boat Enigma, and more.

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Encryption of WWII

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  1. Encryption of WWII Philip Gebhardt 10/24/2011

  2. Interest

  3. The Possibilities… (plug-board) * (selection of rotors) * (arrangement of rotors) * (starting position of each rotor) * (notch setting of each rotor) * (reflector configuration) = …

  4. The Possibilities…

  5. Purpose

  6. Polish mathematical analysis in 1932 • Used analysis of cycles of letter transformations • Alan Turing’s “Bombe” machine in 1939-40 • The U-Boat Enigma, Lorenz, and the Colossus • Tommy Flowers • The world’s first programmable computer

  7. Some Interesting Sources • How Polish Mathematicians Deciphered the Enigma: • Marian Rejewski, Polish Cipher Bureau (1932-39) • Test-driven development of an Enigma Simulator • http://tdd-deciphered.com/

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