CEH Certified Ethical Hacker Cert Guide, 4th Edition

Chapter 10

Cryptographic Attacks and Defenses

This chapter covers the following topics:

• Cryptography History and Concepts: You should understand the history and basic concepts of cryptographic systems and how they function.

• Encryption Algorithms: You should understand the difference between symmetric, asymmetric, and hashing algorithms. Each has a unique role in the world of cryptography and can be used to protect information in transit or at rest.

• Public Key Infrastructure: You should understand the purpose of public key infrastructure (PKI) and its role in communication and e-commerce. It can provide third-party trust and make e-commerce possible.

• Secure Protocols and Countermeasures: You should understand secure protocols and how they ...