'Enigma rotor' presentation slideshows

Enigma

863 views • 51 slides

The Polish Solution of the German Enigma Machine

The Polish Solution of the German Enigma Machine. The Beginning of Allied Successes Against Enigma Chris Christensen Department of Mathematics and Statistics Northern Kentucky University. Warsaw, Poland. Jerzy Rozycki. Marian Rejewski. Antoni Palluth. Henryk Zygalski.

516 views • 31 slides

Ciphers and Permutations

Ciphers and Permutations. Monoalphabetic Cipher is simply a permutation. abcdefghijklmnopqrstuvwxyz SATBUCVDWEXFYGZRQPONMLKJIH. Cycle Form (ASOZHDB) (CTNGVLF) (EUMYIWKXJ) (PR) (Q) Four cycles, lengths 9, 7, 7, 2, 1. 8 Character examples. C1 = (ADE) (FGH) (BC) P = (AD) (BG) (EF) (C) (H)

263 views • 13 slides