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Basic Principles

Keith M. Martin.

in Everyday Cryptography

June 2017; p ublished online July 2017 .

Chapter. Subjects: Optimisation; Logic. 18155 words.

This chapter serves as an introduction to the environment in which cryptography finds common use today. We discuss the need for cryptography, as well as the basic language and concepts that...

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Closing Remarks

Keith M. Martin.

in Everyday Cryptography

June 2017; p ublished online July 2017 .

Chapter. Subjects: Optimisation; Logic. 664 words.

We have now completed our introduction to everyday cryptography. We have seen that cryptography is essentially a toolkit of mathematical techniques for implementing the core security...

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Control of Cryptography

Keith M. Martin.

in Everyday Cryptography

June 2017; p ublished online July 2017 .

Chapter. Subjects: Optimisation; Logic. 9607 words.

In this chapter, we will discuss the complex issue of controlling the use of cryptography. We will identify a societal dilemma that arises from the use of cryptography. We will present...

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The convection–diffusion equation

A. M. Stuart and E. Söli.

in Finite Elements and Fast Iterative Solvers

June 2014; p ublished online September 2014 .

Chapter. Subjects: Mathematics; Optimisation. 22847 words.

This chapter concerns the statement of the steady convection–diffusion equation and its weak formulation. This is followed by a description of finite element discretization and properties...

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Cryptographic Applications

Keith M. Martin.

in Everyday Cryptography

June 2017; p ublished online July 2017 .

Chapter. Subjects: Optimisation; Logic. 41676 words.

This chapter considers eight applications of cryptography. These essentially act as case studies relating to all the previous material. For each application, we identify the security...

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Cryptographic Protocols

Keith M. Martin.

in Everyday Cryptography

June 2017; p ublished online July 2017 .

Chapter. Subjects: Optimisation; Logic. 15374 words.

This chapter is concerned with cryptographic protocols. We begin with an explanation of what components a cryptographic protocol consists of. We then illustrate the complexity of designing...

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Cryptography for Personal Devices

Keith M. Martin.

in Everyday Cryptography

June 2017; p ublished online July 2017 .

Chapter. Subjects: Optimisation; Logic. 7707 words.

In this chapter, we consider some of the cryptography which can be used to protect data stored on personal devices. We begin by looking at various forms of cryptographic file protection,...

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Data Integrity

Keith M. Martin.

in Everyday Cryptography

June 2017; p ublished online July 2017 .

Chapter. Subjects: Optimisation; Logic. 17746 words.

This chapter discusses cryptographic mechanisms for providing data integrity. We begin by identifying different levels of data integrity that can be provided. We then look in detail at hash...

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Digital Signature Schemes

Keith M. Martin.

in Everyday Cryptography

June 2017; p ublished online July 2017 .

Chapter. Subjects: Optimisation; Logic. 11853 words.

In this chapter, we discuss digital signature schemes. We start by considering the general requirements of a digital signature scheme. We show first that a digital signature scheme could be...

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Entity Authentication

Keith M. Martin.

in Everyday Cryptography

June 2017; p ublished online July 2017 .

Chapter. Subjects: Optimisation; Logic. 13368 words.

This chapter considers mechanisms for providing entity authentication. We begin with a discussion on randomness and why it is important in cryptography. We compare several different...

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