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Demystifying Cryptography with OpenSSL 3.0

You're reading from   Demystifying Cryptography with OpenSSL 3.0 Discover the best techniques to enhance your network security with OpenSSL 3.0

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Product type Paperback
Published in Oct 2022
Publisher Packt
ISBN-13 9781800560345
Length 342 pages
Edition 1st Edition
Languages
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Author (1):
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Alexei Khlebnikov Alexei Khlebnikov
Author Profile Icon Alexei Khlebnikov
Alexei Khlebnikov
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Toc

Table of Contents (20) Chapters Close

Preface 1. Part 1: Introduction
2. Chapter 1: OpenSSL and Other SSL/TLS Libraries FREE CHAPTER 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

Establishing TLS Connections and Sending Data over Them

In this chapter, we will learn about the Transport Layer Security (TLS) protocol. The TLS protocol is the successor of the Secure Sockets Layer (SSL) protocol and is used for secure network communication and serves as the basis for higher-level protocols, such as Hypertext Transfer Protocol Secure (HTTPS) and Simple Mail Transfer Protocol Secure (SMTPS). The TLS protocol is most visible on the World Wide Web but is also used in other applications, such as file transfer, email, instant messaging, Voice over IP, remote access, connection to databases, financial data transmission, and many other applications that require encrypted communication.

We will learn about the basics of the TLS protocol and take a quick look at its history. In the practical part of this chapter, we will learn how to establish TLS connections, send data over them, and shut them down correctly. There will be both command-line and C code examples that illustrate...

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