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The definitive publicly available text on the theory and practice of cryptography. Cryptographic techniques have applications far beyond the obvious uses of encoding and decoding information. For Internet developers who need to know about capabilities, such as digital signatures, that depend on cryptographic techniques, there's no better overview than Applied Cryptography, the definitive book on the subject.

Bruce Schneier covers general classes of cryptographic protocols and then specific techniques, detailing the inner workings of real-world cryptographic algorithms including the Data Encryption Standard and RSA public-key cryptosystems. The book includes source-code listings and extensive advice on the practical aspects of cryptography implementation, such as the importance of generating truly random numbers and of keeping keys secure.

Table of contents

	Foreword
	Preface
	About the Author
1	Foundations
2	Protocol Building Blocks
3	Basic Protocols
4	Intermediate Protocols
5	Advanced Protocols
6	Esoteric Protocols
7	Key Length
8	Key Management
9	Algorithm Types and Modes
10	Using Algorithms
11	Mathematical Background
12	Data Encryption Standard (DES)
13	Other Block Ciphers
14	Still Other Block Ciphers
15	Combining Block Ciphers
16	Pseudo-Random-Sequence Generators and Stream Ciphers
17	Other Stream Ciphers and Real Random-Sequence Generators
18	One-Way Hash Functions
19	Public-Key Algorithms
20	Public-Key Digital Signature Algorithms
21	Identification Schemes
22	Key-Exchange Algorithms
23	Special Algorithms for Protocols
24	Example Implementations
25	Politics
	Afterword
	References