Chapter 6
Encryption Fundamentals
Chapter Objectives
After reading this chapter and completing the exercises, you will be able to do the following:
Explain encryption concepts.
Describe the history of encryption and modern encryption methods.
Use some simple decryption techniques.
Introduction
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, then that data is vulnerable. Even the most basic wireless routers for home users now offer encryption.
This chapter offers a basic overview of encryption and an explanation of how it works to help you make good decisions for your organization. A complete examination is beyond the scope of this ...
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