Computer Security And Cryptography

This book updates readers with all the tools, techniques, and concepts needed to understand and implement data security systems. It presents a wide range of topics for a thorough understanding of the factors that affect the efficiency of secrecy, authentication, and digital signature schema. Most importantly, readers gain hands-on experience in cryptanalysis and learn how to create effective cryptographic systems.

The author contributed to the design and analysis of the Data Encryption Standard (DES), a widely used symmetric-key encryption algorithm. His recommendations are based on firsthand experience of what does and does not work.

Thorough in its coverage, the book starts with a discussion of the history of cryptography, including a description of the basic encryption systems and many of the cipher systems used in the twentieth century. The author then discusses the theory of symmetric- and public-key cryptography. Readers not only discover what cryptography can do to protect sensitive data, but also learn the practical limitations of the technology. The book ends with two chapters that explore a wide range of cryptography applications.

With consumers becoming increasingly wary of identity theft and companies struggling to develop safe, secure systems, this book is essential reading for professionals in e-commerce and information technology. Written by a professor who teaches cryptography, it is also ideal for students.

TABLE OF CONTENT:
Chapter 01 - Aperitifs
Chapter 02 - Columnar transposition
Chapter 03 - Monoalphabetic substitution
Chapter 04 - Polyalphabetic substitution
Chapter 05 - Statistical tests
Chapter 06 - The emergence of cipher machines
Chapter 07 - The japanese cipher machines
Chapter 08 - Stream ciphers
Chapter 09 - Block-ciphers
Chapter 10 - The paradigm of public key cryptography
Chapter 11 - The knapsack cryptosystem
Chapter 12 - The RSA cryptosystem
Chapter 13 - Pprime numbers and factorization
Chapter 14 - The discrete logarithm problem
Chapter 15 - Elliptic curve cryptography
Chapter 16 - Key exchange in a network
Chapter 17 - Digital signatures and authentication
Chapter 18 - Applications of cryptography
Chapter 19 - Cryptographic patents

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