Explains how the device enciphers letters, background history, components of the machine, and milit...
Discusses the types of cipher systems that have been used in the past. Page includes illustrations ...
Photos, manuals, and other information about the German Enigma, the M-209, and other old encryption...
A historical overview of early cryptographic techniques.
What was the ECM Mk II and why was it important.
News, views, research and reviews of historical ciphers in fiction and non-fiction.
Contains historical and technical information about crypto machines and cryptology, with links to f...
This cryptography tutorial book is a collection of notes and sample codes written by the author whi...