1 Table of Contents: “.... Transposition Ciphers; 4. The Enigma Machine and Navajo Code; 5. Shift and Affine Ciphers; 6. Alberti...”

2 Table of Contents: “... -- The Enigma Machine -- Information Theoretic Security -- Historical Stream Ciphers -- Modern Stream Ciphers...”

3 “..., ADFGVX, Alberti, Vigene re, and Hill ciphers. It also includes coverage of the Enigma machine, Turing...”