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Modern Cryptography for Cybersecurity Professionals

You're reading from Modern Cryptography for Cybersecurity Professionals Learn how you can leverage encryption to better secure your organization's data

Product type Paperback

Published in Jun 2021

Publisher Packt

ISBN-13 9781838644352

Length 286 pages

Edition 1st Edition

Concepts

Cryptography

Author (1):

Lisa Bock

View More author details

Table of Contents (16) Chapters

Preface

1. Section 1: Securing Our Data

2. Chapter 1: Protecting Data in Motion or at Rest FREE CHAPTER

3. Chapter 2: The Evolution of Ciphers

4. Chapter 3: Evaluating Network Attacks

5. Section 2: Understanding Cryptographic Techniques

6. Chapter 4: Introducing Symmetric Encryption

7. Chapter 5: Dissecting Asymmetric Encryption

8. Chapter 6: Examining Hash Algorithms

9. Section 3: Applying Cryptography in Today's World

10. Chapter 7: Adhering to Standards

11. Chapter 8: Using a Public Key Infrastructure

12. Chapter 9: Exploring IPsec and TLS

13. Chapter 10: Protecting Cryptographic Techniques

14. Assessments

15. Other Books You May Enjoy

Examining a certificate

The foundation of a PKI is the contents of an X.509 certificate. X.509 is the format a CA uses to provide assurance that a public key belongs to an entity contained within a certificate.

In this section, we'll take a high-level look at a certificate and then see what's involved in the X.509 standard. Then, we'll see the different ways a certificate can be validated and compare the many ways one can be used today.

Let's start with taking a high-level look at a certificate.

Viewing a certificate

When you are on a secure site, you will see a lock. When selected, the dialog box will drop down and assure you that the site is secure, as shown here using Mozilla:

Figure 8.15 – Google secure connection

Figure 8.15 – Google secure connection

While in the Mozilla browser, if you select the arrow to the right of the Connection secure notification, you can expand the information. You can then select more information (found at the bottom of...

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Authors (1)

Lisa Bock

Lisa Bock

Lisa Bock is an experienced author with a demonstrated history of working in the e-learning industry. She is a security ambassador with a broad range of IT skills and knowledge, including on Cisco Security, CyberOps, Wireshark, biometrics, ethical hacking, and IoT. Lisa is an author for LinkedIn Learning and an award-winning speaker who has presented at several national conferences. She holds an MS in computer information systems/information assurance from UMGC. Lisa was an associate professor in the IT department at Pennsylvania College of Technology (Williamsport, PA) from 2003 until her retirement in 2020. She is involved with various volunteer activities, and she and her husband Mike enjoy bike riding, watching movies, and traveling.

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