Chapter 6

Encryption Fundamentals

Chapter Objectives

After reading this chapter and completing the exercises, you will be able to do the following:

images Explain encryption concepts.

images Describe the history of encryption and modern encryption methods.

images Use some simple decryption techniques.


Encryption is a vital part of any network security strategy. No matter how secure the network is, if the data is not encrypted at rest or during transmission, ...

Get Network Defense and Countermeasures: Principles and Practices, 3rd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.