A comprehensive deep-dive into TLS/SSL security - from TCP handshakes to certificate verification, covering everything you need to know about secure network connections, encryption, and how HTTPS really works.
A step-by-step mathematical deep-dive into how Diffie-Hellman key exchange works - from simple paint mixing analogies to the discrete logarithm problem that makes it unbreakable.
A detailed discussion of SSL/TLS in production: private keys, certificates, self-signed vs CA certificates, Let's Encrypt, deployment best practices, and real-world considerations.