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Basic Principles

Basic Principles

Chapter:
(p.2) 1 Basic Principles
Source:
Everyday Cryptography
Author(s):
Keith M. Martin
Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199695591.003.0001

This chapter discusses the basic principles of cryptography. It covers the role of cryptography in securing information; the types of risk to which information is typically exposed; the main security services that are the focus of this book; the fundamentals of cryptosystems; the resources it is reasonable to assume that an attacker of a cryptosystem has access to; and the much misunderstood concept of ‘breaking’ a cryptosystem.

Keywords:   cryptography, information security, security services, cryptosystems

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