PKI Uncovered: Certificate-Based Security Solutions for Next-Generation Networks

Chapter 1. Crypto Refresh

This chapter covers the following topics:

• Confidentiality, Integrity, Authenticity, Nonrepudiation

• Symmetric Encryption

• Asymmetric Encryption

• Other Crypto Functions

• Internet Key Exchange (IKE)

• Device Configuration: Certificates

Cryptography has been used throughout history to hide messages and keep secrets. There have been various techniques used that have been concurrent with the technology available for that time. In today’s world, ever increasing high-powered computing systems networked together have created a new paradigm. This complexity to provide data and identity security requires a new paradigm of information security.

This book assumes you are a network engineer who has been exposed to the basics ...