Author and cryptology enthusiast Bob Reynard takes you across the globe and through the centuries to discover the methods used by kings, generals, and presidents to "safeguard" their countries' secrets. Bob enjoys hearing from his readers. Send him a note by E-Mail

Here are links to other cryptography Websites that you might find interesting:

• The Crypto Drop Box -The American Cryptogram Association Website. 
• NSA Museum Tour - Highlights of the National Cryptologic Museum. 
• NSA Puzzle Solvers at Cryptic Manor for Kids - Highlights of the National Cryptologic Museum. 
• Bletchley Park, England - Museum at Headquarters of British Codebreakers in World War II. 
• Codebreaking in World War II - How the Poles and the British broke the German secret codes. 
• CrypTool  - The Website of the Cryptool Project to increase knowledge and awareness about IT security and especially cryptography. It contains a free download of  a cryptanalyst's program. 
• Frode Weierud - The Cryptography page of the Norwegian expert on the Enigma cipher machine. 
• Tony Sale's Codes and Ciphers - Tony Sale, the original curator of the Bletchley Park Museum describes the operation of the Enigma cipher machine. 
• David Hamer's - A Few Aspects of Cryptology- The Website of cipher machine computer simulators. 
• Peter Conrad - Website (in German) of the programmer who wrote the Secret Code Breaker - Keyword Cipher Cracker program. 
• David Youd - Website of Cryptography Book Reviews. 
• Dr. Dorothy E. Denning - A professor in the Department of Defense Analysis at the Naval Postgraduate School. Here is a list of her publications and articles as of 2002, including PDF downloads about encryption and crime in cyberspace.