Cryptography and Network Security Principles and Practice, 8th Edition - Pearson

Part Two: Symmetric Ciphers

CHAPTER 3

Classical Encryption Techniques

 

3.1 Symmetric Cipher Model

Cryptography

Cryptanalysis and Brute-Force Attack

 

3.2 Substitution Techniques

Caesar Cipher

Monoalphabetic Ciphers

Playfair Cipher

Hill Cipher

Polyalphabetic Ciphers

One-Time Pad

 

3.3 Transposition Techniques

 

3.4 Key Terms, Review Questions, and Problems

 

LEARNING OBJECTIVES

After studying this chapter, you should be able to:

• ◆ Present an overview of the main concepts of symmetric cryptography.
• ◆ Explain the difference between cryptanalysis and brute-force attack.
• ◆ Understand the operation of a monoalphabetic substitution cipher.
• ◆ Understand the operation of a polyalphabetic cipher.
• ◆ Present an overview of the Hill cipher.

Symmetric ...