Crypto Museum - http://www.ilord.com/ Photos, manuals, and other information about the German Enigma, the M-209, and other old encryption machines.
Enigma Java Applet - http://homepages.tesco.net/~andycarlson/enigma/enigma_j.html A Java applet that simulates a WWII German Enigma encryption machine.
USS Pampanito - ECM Mark II - http://www.maritime.org/ecm2.htm What was the ECM Mk II and why was it important.
Andy's Enigmatic Web Page - http://www.users.globalnet.co.uk/~andlaw/engindex.htm Download an Enigma emulator for Windows
German ENIGMA Cipher Machine - History of Solving - http://www.enigmahistory.org/enigma.html Describes the efforts of Polish, France and Great Britain in deciphering the Enigma Machine's code from 1932 to 1945. [English, Polish]
Cryptography - http://www.hupi.hr/kripto/ Something on cryptography. PGP. RSA.
Enigma Machine - http://neuralnation.com/wiki/index.php5?title=Enigma_Machine Flash based working Enigma machine to code and decode messages.
Cipher Mysteries - http://www.ciphermysteries.com/ News, views, research and reviews of historical ciphers in fiction and non-fiction.
Enigma Cipher Machine by Tony Sale - http://www.codesandciphers.org.uk/enigma/ Explains how the device enciphers letters, background history, components of the machine, and military adaptation by the Germans. Also, includes information about Turing and Polish mathematicians contribution in breaking the code.
A Cryptographic Compendium - http://www.quadibloc.com/crypto/jscrypt.htm Discusses the types of cipher systems that have been used in the past. Page includes illustrations and tables. Written by John Savard.
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