目录：

1 Classical Ciphers and Their Cryptanalysis . . . . . . . . . . . . . . . . . 1

2 Basic Concepts from Probability, Complexity, Algebra
and Number Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35


3 Private-Key Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

4 Block Ciphers and Modes of Operation. . . . . . . . . . . . . . . . . . . . 181

5 Message Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

6 Algorithmic Number Theory for Cryptography and
Cryptanalysis: Primality, Factoring and Discrete Logarithms. . . . 283

7 Introduction to Public-Key Cryptography:
The Diffie–Hellman Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399

8 Public-Key Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419

9 Digital Signatures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 537

10 Identity-Based Cryptography . . . . . . . . . . . . . . . . . . . . . . . . . . . 587


11 An Introduction to Elliptic Curve Cryptography . . . . . . . . . . . . . 611