Search icon Close icon
Search icon
Subscription
0
Cart icon
Close icon
You have no products in your basket yet
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Demystifying Cryptography with OpenSSL 3.0

You're reading from  Demystifying Cryptography with OpenSSL 3.0

Product type Book
Published in Oct 2022
Publisher Packt
ISBN-13 9781800560345
Pages 342 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Alexei Khlebnikov Alexei Khlebnikov
Profile icon Alexei Khlebnikov
LinkedIn
Alexei Khlebnikov has more than 20 years of professional experience in IT, where he worked in different roles - software developer, system administrator, DevOps engineer, technical leader, architect and project manager. During those years Alexei worked with many technologies - Security, Artificial Intelligence, Web Development, Embedded, Mobile, and Robotics. Among other companies, Alexei worked in Opera Software on the famous Opera Internet browser. Alexei has always been interested in security. He was one of the maintainers of security-related Opera browser modules, responsible for cryptography, SSL/TLS and integration with OpenSSL. He was also a member of the Security Architects group, responsible for the security of the Opera browser. Now Alexei lives in Oslo, Norway, and works as a senior consultant for Bespoke AS. He is also the leader of the Architects group at his current employer.
See other products by Alexei Khlebnikov

Table of Contents (20) Chapters

Preface 1. Part 1: Introduction
2. Chapter 1: OpenSSL and Other SSL/TLS Libraries 3. Part 2: Symmetric Cryptography
4. Chapter 2: Symmetric Encryption and Decryption 5. Chapter 3: Message Digests 6. Chapter 4: MAC and HMAC 7. Chapter 5: Derivation of an Encryption Key from a Password 8. Part 3: Asymmetric Cryptography and Certificates
9. Chapter 6: Asymmetric Encryption and Decryption 10. Chapter 7: Digital Signatures and Their Verification 11. Chapter 8: X.509 Certificates and PKI 12. Part 4: TLS Connections and Secure Communication
13. Chapter 9: Establishing TLS Connections and Sending Data over Them 14. Chapter 10: Using X.509 Certificates in TLS 15. Chapter 11: Special Usages of TLS 16. Part 5: Running a Mini-CA
17. Chapter 12: Running a Mini-CA 18. Index 19. Other Books You May Enjoy

Understanding certificate signing chains

A certificate signing chain, also known as a certificate verification chain, simply a certificate chain, or a chain of trust, is an ordered collection of certificates where each certificate is signed by the next certificate in the collection. All except the last certificate, of course. The last certificate is self-signed.

Why are certificate signing chains needed? In order to verify the certificate validity. A curious reader might ask, doesn’t the certificate’s private key solve this problem? No, it’s not so easy. When verifying identity using an X.509 certificate, we have to verify two claims:

  1. That whoever presents the certificate for identification owns the certificate: This claim is proven using the certificate’s private key.
  2. That the presented certificate is valid: This claim is proven using the certificate signing chain.

It is similar to how you identify yourself with a passport. You can...

lock icon The rest of the chapter is locked
arrow left Previous Chapter
Chapter 1 of 20
Next Chapter arrow right
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Sign up now
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Start free trial
Renews at $15.99/month. Cancel anytime}

Authors (1)

Profile icon Alexei Khlebnikov
LinkedIn
Alexei Khlebnikov has more than 20 years of professional experience in IT, where he worked in different roles - software developer, system administrator, DevOps engineer, technical leader, architect and project manager. During those years Alexei worked with many technologies - Security, Artificial Intelligence, Web Development, Embedded, Mobile, and Robotics. Among other companies, Alexei worked in Opera Software on the famous Opera Internet browser. Alexei has always been interested in security. He was one of the maintainers of security-related Opera browser modules, responsible for cryptography, SSL/TLS and integration with OpenSSL. He was also a member of the Security Architects group, responsible for the security of the Opera browser. Now Alexei lives in Oslo, Norway, and works as a senior consultant for Bespoke AS. He is also the leader of the Architects group at his current employer.
Read more
See other products by Alexei Khlebnikov

Personalised recommendations for you

Based on your interests and search pattern
Left arrow icon
Attacking and Exploiting Modern Web Applications
Attacking and Exploiting Modern Web Applications
Attacking and Exploiting Modern Web Attacks will help you understand how to identify attack surfaces and detect vulnerabilities. This book takes a hands-on approach to implementation and associated methodologies and equips you with the knowledge and skills needed to effectively combat web attacks.
Aug 2023 11 hours 16 minutes
Automotive Cybersecurity Engineering Handbook
Automotive Cybersecurity Engineering Handbook
This Automotive Cybersecurity Engineering Handbook untangles the complexities of building secure automotive products and helps you to comply with cybersecurity standards. It provides practical tools, tips, and techniques coupled with real-world examples to enable you to create cyber-resilient automotive products with ease.
Oct 2023 13 hours 4 minutes
Official Google Cloud Certified Professional Cloud Security Engineer Exam Guide
Official Google Cloud Certified Professional Cloud Security Engineer Exam Guide
This book will help you to design, develop, and operate security controls on Google Cloud as well as discover best practices for relevant security domains, including identity and access management, network, and data.
Aug 2023 16 hours 32 minutes
Cloud Penetration Testing for Red Teamers
Cloud Penetration Testing for Red Teamers
The advent of cloud networks and the AWS, Azure, and GCP platforms has revolutionized how companies of all sizes in all industries do business online. This book will help you meet the emerging demand for pentesting as it guides you through the tools, techniques, and security measures used by pentesters and red teamers in the 2020s and beyond.
Nov 2023 9 hours 56 minutes
ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide
ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide
ISACA Certified in Risk and Information Systems Control (CRISC®) Certification Guide is an enterprise IT risk management professional’s dream. With its in-depth approach and various self-assessment exercises, this book arms you with knowledge of every single aspect of the certification, and is a fantastic career companion after you’re certified.
Sep 2023 10 hours 32 minutes
Burp Suite Cookbook
Burp Suite Cookbook
Burp Suite is an immensely powerful and popular tool for web application security testing. This book provides a collection of recipes that address vulnerabilities in web applications and APIs. It offers guidance on how to configure Burp Suite, make the most of its tools, and explore into its extensions.
Oct 2023 15 hours 0 minutes
Building and Automating Penetration Testing Labs in the Cloud
Building and Automating Penetration Testing Labs in the Cloud
This hands-on guide will help you design and build a variety of penetration testing labs that mimic modern cloud environments running on AWS, Azure, and GCP. In addition to these, you will explore a number of practical strategies on how to manage the complexity, cost, and security risks involved when setting up vulnerable cloud lab environments.
Oct 2023 18 hours 44 minutes
Ethical Hacking Workshop
Ethical Hacking Workshop
As cyber-attacks grow and APT groups advance their skillset, you need to be able to protect your enterprise against cyber-attacks. In order to limit your attack surface, you need to ensure that you leverage the same skills and tools that an adversary may use to hack your environment and discover the security gaps. This book will teach you how to think like a hacker, use state-of-the-art hacking tools, and protect yourself and your organizaiton.
Oct 2023 7 hours 20 minutes
Windows Forensics Analyst Field Guide
Windows Forensics Analyst Field Guide
This book contains step-by-step processes to guide you in any investigation related to Windows OS. You’ll find out how to acquire evidence using multiple tools as well as examine and analyze the collected artifacts, while discovering multiple techniques used in real-world forensic incidents.
Oct 2023 10 hours 36 minutes
Implementing DevSecOps Practices
Implementing DevSecOps Practices
This book is a comprehensive, hands-on guide for individuals new to DevSecOps who want to implement DevSecOps practices successfully and efficiently. With its help, you’ll be able to shift security toward the left, enabling you to merge security into coding in no time.
Dec 2023 8 hours 36 minutes
Right arrow icon