Chapter 9. Understanding Cryptographic Solutions

THE FOLLOWING CCNA-SECURITY EXAM TOPICS ARE COVERED IN THIS CHAPTER:

  • Implement site-to-site VPNs on Cisco routers using SDM

    • Explain the different methods used in cryptography

Understanding Cryptographic Solutions

In the last section of this chapter, we will look at encryption algorithms and how to make a selection based on your criteria.

Introduction to Cryptography

Cryptography is defined many ways, but the main point to get across is that we are talking about the encryption of a message, file, and so on. We will get into other facets of the study of encryption, but let's look at the basics first.

You may have heard the term cryptology, which ...

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