bobbaldwin1 Crypto and cipher History of Cryptography The Crypto Museum Crypto Machines Cipher Machines Cryptographic Artifacts Cryptographic Methods A Beginners Guide to Cryptography by Bill Hess A comprehensive website covering many different aspects and uses of cryptography Enigma Rotors Harris Crypto KL-7 M-209 M-94 Rotor M-309 Tunny One Time Pads