Many common questions about cryptography are answered in this May 2000 handbook by RSA Security, Inc. The contents include a basic introduction to cryptography, tools, applications, problems, cryptoanalysis, techniques,...

The Centre for Applied Cryptographic Research at the University of Waterloo, Ontario, Canada and publishers of the Handbook of Applied Cryptography, CRC Press, have recently granted free online access to all chapters of...

This introduction to cryptography is a collection of applets including: "Let's Make A Deal," "Let's Make a Deal II," "Monkey Words," "Entropy," "Vigenere," "Rectangular Transposition," and "Monoalphabetic Substitution."...

Cryptography is an ancient science, but with the rise of the information age, computers have brought it to a whole new level. Online privacy and national security both depend on encryption, and maintaining a strong...