Cryptographic Attacks and Defenses

Introduction

Chapter 12 introduces you to cryptography. This topic might be interesting to some of you, and others might dread the thought of it. However, there's no need to fear. Cryptography is an exciting subject. Understanding how it functions will go a long way to help you build a good security foundation. Cryptography is nothing new. It has been used by the people and cultures throughout time to protect the confidentiality and integrity of information. There has always been individuals who are intent on breaking cryptosystems. This Chapter examines both perspectives.

The Chapter starts with an overview of cryptography and discusses the two basic types. It then examines the history of cryptographic systems, symmetric and asymmetric encryption, and. the most popular types of cryptography used today, including data encryption standard (DES), triple DES (3DES), Rivest, Shamir, and Adleman (RSA), advanced encryption standard (AES), international data encryption algrothim (IDEA), and others. To get a better idea of the many ways encryption can be used, hashing, digital signatures, and certificates are reviewed. The public key infrastructure is also introduced. Finally, a review of cryptographic applications and the tools and techniques are introduced.

Functions of Cryptography

Part I: Exam Preparation

The Business Aspects of Penetration Testing

The Technical Foundations of Hacking

Footprinting and Scanning

Enumeration and System Hacking

Linux and Automated Security Assessment Tools

Trojans and Backdoors

Sniffers, Session Hijacking, and Denial of Service

Web Server Hacking, Web Applications, and Database Attacks

Wireless Technologies, Security, and Attacks

IDS, Firewalls, and Honeypots

Buffer Overflows, Viruses, and Worms

Cryptographic Attacks and Defenses

Physical Security and Social Engineering

Part II: Final Review

Part III: Appendixes

Appendix A. Using the ExamGear Special Edition Software



Certified Ethical Hacker Exam Prep
Certified Ethical Hacker Exam Prep
ISBN: 0789735318
EAN: 2147483647
Year: 2007
Pages: 247
Authors: Michael Gregg

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