Herramientas y Dispositivos
Referencias
- The encyclopedia on cryptography and information security.
- http://cryptodox.com/History_of_Cryptography
- History of cryptography from CryptoBuddy.com
- http://www.cryptostick.com/cryptographyhistory.php
- Encryption, cryptography and security software information.
- http://encryption.moonvalley.com/history.htm
- Wikipedia Timeline
- http://en.wikipedia.org/wiki/Timeline_of_cryptography