Cryptography is the science of analyzing and deciphering codes, ciphers and cryptograms, used in communication security.
 
 
Recommended Resources
Supplied in an MS-Word document, the Cryptography Management Kit is intended to address the fundamentals of cryptography, including a variety of components and documents intended to assist the reader in understanding and implementing cryptography.
http://www.cryptography-tutorial.com/
Originally the North American Cryptography Archives, this site is no longer hosted in North America due to changes in the laws regarding cryptography. Listings of cryptographic sites outside of North America are provided, along with information about where to get PGP and Gnu Privacy Guard, as well as free SSL certificates.
http://www.cryptography.org/
This basic cryptography introduction and guide includes information about key management and algorithms, as well as a directory of suppliers, and additional resources.
http://www.cryptographyworld.com/