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Cryptography (Basic Cryptology)


A cryptosystem or cipher system is a method of disguising messages so
that only certain people can see through the disguise.

Cryptography is the art of creating and using cryptosystems.

Cryptanalysis is the art of breaking cryptosystems---seeing through the disguise even when
you're not supposed to be able to.

Cryptology is the study of both cryptography and cryptanalysis.





Websters: cryptography
FOLDOC: cryptography
wikipedia: cryptography