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CISA – Certified Information Systems Auditor Study Guide - Second Edition

You're reading from  CISA – Certified Information Systems Auditor Study Guide - Second Edition

Product type Book
Published in Jun 2023
Publisher Packt
ISBN-13 9781803248158
Pages 330 pages
Edition 2nd Edition
Languages
Concepts
Author (1):
Hemang Doshi Hemang Doshi
Profile icon Hemang Doshi
LinkedIn
Hemang Doshi has more than 15 years of experience in the field of system audit, IT risk and compliance, internal audit, risk management, information security audit, third-party risk management, and operational risk management. He has authored several books for certification such as CISA, CRISC, CISM, DISA, and enterprise risk management.
See other products by Hemang Doshi

Table of Contents (14) Chapters

Preface 1. Chapter 1: Audit Planning 2. Chapter 2: Audit Execution 3. Chapter 3: IT Governance 4. Chapter 4: IT Management 5. Chapter 5: Information Systems Acquisition and Development 6. Chapter 6: Information Systems Implementation 7. Chapter 7: Information Systems Operations 8. Chapter 8: Business Resilience 9. Chapter 9: Information Asset Security and Control 10. Chapter 10: Network Security and Control 11. Chapter 11: Public Key Cryptography and Other Emerging Technologies 12. Chapter 12: Security Event Management 13. Other Books You May Enjoy

Public Key Cryptography

Public key cryptography primarily comprises two processes: encryption and decryption. Encryption is the process of converting data into unreadable code so it cannot be accessed or read by any unauthorized person. This unreadable data can again be converted into a readable form by the process of decryption. Different types of algorithms are available for encryption and decryption. This section will explain the various aspects of public key cryptography.

First, you need to understand the concept of symmetric and asymmetric encryption and the difference between the two.

Symmetric Encryption versus Asymmetric Encryption

Encryption can be of two types: symmetric encryption or asymmetric encryption. The following table will help you understand the differences between the two terms:

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Authors (1)

Profile icon Hemang Doshi
LinkedIn
Hemang Doshi has more than 15 years of experience in the field of system audit, IT risk and compliance, internal audit, risk management, information security audit, third-party risk management, and operational risk management. He has authored several books for certification such as CISA, CRISC, CISM, DISA, and enterprise risk management.
See other products by Hemang Doshi

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Symmetric Encryption

Asymmetric Encryption

A single key is used to encrypt...