This book is an introduction to fundamental concepts in the fields of . Because cryptography is highly vulnerable to program errors, a simple testing of the cryptosystem will usually uncover a security vulnerability. In this book the author takes the reader through all of the important design andimplementation details of various cryptographic algorithms and network security protocols to enforce network security.

The book is divided into four parts:Cryptography, Security Systems, Network Security Applications, and SystemSecurity. Numerous diagrams and examples throughout the book are used toexplain cryptography and network security concepts.

FEATURES:

• Covers key conceptsrelated to cryptography and network security

• Includes chapters on modernsymmetric key block cipher algorithms, information security, message integrity,authentication, digital signature, key management, intruder detection, networklayer security, data link layer security, NSM, firewall design, and more.

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