This 2nd edition of the cryptography classic provides you with a comprehensive survey of modern cryptography. The book details how programmers and electronic communications professionals can use cryptography - the techique of enciphering messages - to maintain the privacy of comuter data. It describes dozens of cryptography algorithms, gives practical advice on how to implement them into cryptographic software, and shows how they can be used to solve security problems. Covering the latest developements in practical cryptographic techniques, this 2nd edition shows programmers who design computer applications, networks, and storage systems how they can build security into their software and systems.