Practical Cryptography Niels Ferguson Bruce Schneier WILEY Wiley Publishing, Inc. This is an introduction to cryptography for developers. It assumes that you aren't looking for cryptographic theories, but practical ways to use cryptography in your projects. It covers the basic standard building blocks, and includes some sample code to help you get started. The example code for the book is available on Github, and is ISC. Meet Cryptography A branch of both mathematics and computer science, cryptography is the study and practice of obscuring information. Cryptography refers almost exclusively to encryption, the process of converting ordinary information (plaintext) into unintelligible gibberish (i.e., ciphertext). Primes 11.1 Divisibility and Primes A number a is a divisor of b (notation ajb, pronounced “a divides b”) if you can divide b by a without leaving a remainder. For example, 7 is a divisor of 35 so we write 7j35.We call a number a prime number if it has exactly two divisors, namely 1 and itself.
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Practical Cryptography For Developers Pdf
Cryptography, the science of encoding and decoding information, allows people to do online banking, online trading, and make online purchases, without worrying that their personal information is being compromised. The dramatic increase of information transmitted electronically has led to an increased reliance on cryptography. This book discusses the theories and concepts behind modern cryptography and demonstrates how to develop and implement cryptographic algorithms using C++ programming language. Written for programmers and engineers, Practical Cryptography explains how you can use cryptography to maintain the privacy of computer data. It describes dozens of cryptography algorithms, gives practical advice on how to implement them into cryptographic software, and shows how they can be used to solve security problems. Covering the latest developments in practical cryptographic techniques, this book shows you how to build security into your computer applications, networks, and storage. Suitable for undergraduate and postgraduate students in cryptography, network security, and other security-related courses, this book will also help anyone involved in computer and network security who wants to learn the nuts and bolts of practical cryptography.