Cryptography in C and C++ （PAP/CDR）

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Cryptography in C and C++ （PAP/CDR）

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  • 製本 Paperback:紙装版/ペーパーバック版／ページ数 380 p., with CD-ROM
  • 言語 ENG
  • 商品コード 9781893115958
  • DDC分類 005

Full Description


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.

Contents

Part I. Arithmetic and Number Theory in CIntroduction * Number Format- The Representation of Large Integers in C * Interface Semantics * Basic Calculations * Modular Arithmetic- Calculating with Residue Classes * Where Everything Comes Together: Modular Exponentiation * Bitwis and Logical Functions * Input, Output, Assignment, Conversion * Dynamic Registers * Number-Theoretic Functions * Large Random Numbers * Tests.Part II: Arithmetic in C++ with the Class LINTClasses: With C++ Everything is Easier * The LINT Public Interface: Members and Friends * Error Handling * An Application Example: The RSA Cryptosstem * Do It Yourself: Test LINT * Approaches to Further Development * Afterword * References * Appendix A: Rijndael, A Successor to DES * Appendix B: List of C Functions * Appendix C: List of C++ Functions * Appendix D: Macros * Appendix E: Calculation Times * Appendix F: Notation * Appendix G: Arithmetic and Number-Theoretic Software Packages * Appendix H: List of Figures and Tables * Index.