1. Overview

1.1Introduction
1.2Common Cryptographic Primitives
1.3Public-key Cryptography
1.4Some Cryptographic Terms
 Chapter Summary

Aller Anfang ist schwer: All beginnings are difficult.

—German proverb

Defendit numerus: There is safety in numbers.

—Anonymous

The ability to quote is a serviceable substitute for wit.

—W. Somerset Maugham

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