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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

Identifying optimal hash properties

In order for a hash algorithm to be effective, it must be able to generate a hash algorithm quickly and efficiently. In addition, it must have several other properties to provide the best security. An optimal algorithm must be able to stand the test of time and remain a solid algorithm, even with advances in technology.

In this section, we'll outline and explain some of the desired properties of an exceptional hash algorithm, such as non-reversibility, collision resistance, and determinism.

Let's start with the non-reversibility or one-way property.

Generating a one-way function

When we say one-way, we mean it. A variable-length block of data goes into the function, and a fixed-length hash is returned as the output. The output has no resemblance to the original block of data in any way. Nor is there any way to reconstruct the data to become the original. This non-reversible property is optimal as it makes a more secure hash...

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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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