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The Bomba Kryptologiczna

The Bomba Kryptologiczna. Chris Christensen Department of Mathematics and Statistics Northern Kentucky University. IEEE Milestones. World War I. Enigma Machine. Enigma Cipher System. Enigma Message. Polish Codebreakers. Marian Rejewski 1905 - 1980. Jerzy Rozycki 1909 - 1942.

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The Bomba Kryptologiczna

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  1. The BombaKryptologiczna Chris Christensen Department of Mathematics and Statistics Northern Kentucky University

  2. IEEE Milestones

  3. World War I

  4. Enigma Machine

  5. Enigma Cipher System

  6. Enigma Message

  7. Polish Codebreakers Marian Rejewski 1905 - 1980 Jerzy Rozycki 1909 - 1942 Henryk Zygalski 1908 - 1978

  8. Enigma Cipher System

  9. Enigma Cipher abcdefghijklmnopqrstuvwxyz OHELCPYBSURDZTAFXKINJWVQGM (ao)(bh)(ce)(dl)(fp)(gy)(is)(ju)(kr)(mz)(nt)(qx)(vw)

  10. Enigma Rotor

  11. Enigma Rotor System

  12. Key Size • 6 ways to order the rotors. • 17,576 ways to set the rings against the rotor cores. 105,456

  13. Enigma Plugboard

  14. Key Size • 6 ways to order the rotors. • 17,576 ways to set the rings against the rotor cores. • 100,391,791,500 ways to set the plugboard. 10,586,916,764,424,000

  15. Message Setting

  16. Indicators

  17. Clicks

  18. Indicators

  19. Indicators

  20. BombaKryptologiczna

  21. Indicators and Menus

  22. Programming the BombaRight (Fast) Rotor Offsets RTJ WAH WIK First Enigma pair Ciphers 1 and 4 Zand Z + 3

  23. Fast Rotor Offsets RTJ WAH WIK DQY DWJ MWR First Enigma pair Ciphers 1 and 4 Z and Z + 3 Second Enigma pair Ciphers 2 and 5 (Z + 15)+1 and (Z + 15)+1+3

  24. Fast Rotor Offsets RTJ WAH WIK DQY DWJ MWR HPB RAW KTW First Enigma pair Ciphers 1 and 4 Z and Z + 3 Second Enigma pair Ciphers 2 and 5 (Z + 15)+1 and (Z + 15)+1+3 Third Enigma pair. Ciphers 3 and 6 (Z + 18)+2 and (Z + 18)+2+3

  25. Programming the BombaOther Rotor Offsets RTJ WAH WIK DQY DWJ MWR HPB RAW KTW Middle rotor offsets Z Z + 23 (Z + 23) + 25 Left (slow) rotor offsets Z Z + 12 (Z+ 12)+4

  26. Look for Simultaneities

  27. Meeting in July 1939

  28. Bletchley Park

  29. British Mathematician/Codebreakers Gordon Welchman 1906 - 1985 Alan Turing 1912 - 1954

  30. Cribs and Menus

  31. Turing-Welchman Bombe

  32. Double-ended Scrambler Harold “Doc” Keen 1907 - 1987 http://www.codesandciphers.org.uk/

  33. Diagonal Board

  34. Offsets

  35. Plugging Up

  36. The Bomba and the Bombe

  37. The Four-rotor Naval Enigma

  38. US Navy Cryptologic Bombe Joe Desch 1907 - 1987

  39. The BombaKryptologiczna

  40. Dziękuję

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