Cryptography

machines

• http://jproc.ca/crypto/menu.html
• http://www.cryptomuseum.com/
• http://www.prc68.com/I/CryptoM.shtml

theory

• A Cryptographic Compendium
• https://www.staff.uni-mainz.de/pommeren/Cryptology/
• An Overview of Cryptography

learning of previous mistakes

Grateful for the openness, so we can all learn:

• Weaknesses of the US NAVY FBS, 1967-1974
• The paradox of German Cryptography (worldwar 2)

misc websites

• http://rijmenants.blogspot.nl/
• http://users.telenet.be/d.rijmenants/index.htm
• https://www.nsa.gov/news-features/declassified-documents/european-axis-sigint/index.shtml