Practical Network Security with OpenSSL

Gain practical OpenSSL skills for real-world cybersecurity challengesKey Features● Master OpenSSL’s command-line tools and C APIs to build secure and practical cryptographic applications.● Gain a complete understanding of cryptography from foundational theory to advanced hardware integration with OpenSSL Engines.● Apply your OpenSSL knowledge to real-world use cases including IoT security PKI setup and secure communications.Book DescriptionOpenSSL is the backbone of secure communication on the internet, trusted by developers, enterprises, and governments alike. Practical Network Security with OpenSSL equips you with the knowledge, real-world context, and hands-on skills to master OpenSSL—from its command-line tools to its C library APIs—for implementing robust, enterprise-grade cryptographic solutions.You’ll begin with a solid foundation in cryptographic principles and the role of OpenSSL in modern security systems. The book then guides you through practical usage, covering symmetric and asymmetric encryption, Public Key Infrastructure (PKI), and secure communications. Real-world examples and C code snippets help you confidently apply OpenSSL in standalone applications, enterprise-grade solutions, and hardware-based security environments such as HSMs and TPMs.By the end of this book, you’ll have the expertise to confidently use OpenSSL for designing, implementing, and managing cryptographic solutions across various domains. Whether you're securing financial transactions, IoT networks, or enterprise authentication systems, you’ll be equipped with the tools and knowledge to build secure, future-ready applications. Don’t get left behind—secure your systems like the pros do with OpenSSL mastery.What you will learn● Understand core cryptographic concepts essential to modern network security.● Use OpenSSL’s CLI tools to generate keys, certificates, and secure communications.● Leverage OpenSSL C library APIs to integrate cryptographic functions into software.● Set up and manage Public Key Infrastructure (PKI) using OpenSSL.● Implement secure hardware integrations and apply OpenSSL in IoT and embedded environments.Table of Contents1. Cryptography Basics and Network Security2. Getting started with OpenSSL3. OpenSSL Command Line Interface4. OpenSSL C library APIs5. Public Key Infrastructure with OpenSSL6. Symmetric Key Cryptography with OpenSSL7. OpenSSL Engine for Security Hardware8. OpenSSL in IoT Security9. Best Practices, Tips, and Tricks    IndexAbout the AuthorsRohan Subhash Patil is a Staff Software Engineer at Tarana Wireless, specializing in software development and security implementations. With over twenty years of experience in embedded systems, networking, and security, he has contributed to building robust and secure communication systems across various industries.Academically, he holds an MTech in Software Systems from BITS Pilani (WILP) and a BE in Electronics from SGGS Nanded. His areas of expertise include network protocol development, cryptographic security implementations, and system Optimization.