Introduction: A Revolutionary Cipher
Cryptology Before 1500: A Bit of Magic
The Black Chambers: 1500 – 1776
Crypto goes to War: 1861 – 1865
Crypto and the War to End All Wars: 1914 – 1917
The Interwar Period: 1919 – 1939
The Coming of the Machines: 1918 – 1945
The Machines Take Over: Computer Cryptography
Alice and Bob and Whit and Martin: Public Key Crypto