Cryptography: Learn Public Key Infrastructure from Scratch

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. This video course explains how Secure Sockets Layer (SSL) works on websites and the importance of digital certificates in securing communication between clients and web servers. You'll learn to deploy and manage a two-tier PKI on Windows Servers, supporting applications requiring certificate-based security. Starting with an introduction to …