Cryptography in C and C++

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Apress, 19.03.2001 г. - 432 страници

This book offers a comprehensive, yet relentlessly practical overview of the fundamentals of modern cryptography. Welschenbach avoids complexities by explaining cryptography and its mathematical basis in terms a programmer can easily understand. Coverage mainly focuses on the practical aspects involved in implementing public key cryptography methods, such as the RSA algorithm. It also gives both a technical overview and an implementation of the Rijndael Advanced Encryption Standard algorithm.

The book includes a wide-ranging library of code in C and C++, including the RSA algorithm, completed by an extensive Test Suite that proves that the code works correctly. Readers will learn, step by step, how to implement a platform independent library for the all-important multi-precision arithmetic used in modern cryptography. This is followed by an implementation of the cryptographic algorithms themselves.

The CD-ROM includes all the programs presented in the book, x86 assembler programs for basic arithmetical operations, implementations of Rijndael in both C and C++ and more.

 

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Съдържание

The Representation of Large Numbers in C
11
Calculating with Residue Classes 65
64
Modular Exponentiation
79
Bitwise and Logical Functions 123
122
Input Output Assignment Conversion
143
Dynamic Registers
155
Basic NumberTheoretic Functions 165
164
Large Random Numbers
229
Members and Friends
275
Error Handling
307
The RSA Cryptosystem
317
Test LINT
351
Appendices
379
B Directory of C++ Functions
391
Macros
409
Calculation Times
415

Strategies for Testing LINT 243
242
Arithmetic in C++ with the Class LINT
254

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Информация за автора (2001)

Michael Welschenbach works for SRC Security Research & Consulting GmbH in Bonn, Germany. He graduated with a master's degree in mathematics from the University of Cologne, and has extensive experience in both pure and applied cryptological research. Currently, his favorite programming languages are C and C++. When not working, he enjoys spending time with his wife and two sons, programming, reading, and playing music.

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