Explore the intricacies of Diffie-Hellman Key Exchange and Forward Secrecy in this 13-minute video tutorial. Dive into the most secure method of key exchange, presented twice: first with simplified math, then with real-world calculations. Understand the concept of Forward Secrecy and how Diffie-Hellman achieves it. Learn about modular exponentiation and its role in the process. Part of a comprehensive 16-video series on Cryptography Essentials, this tutorial offers a clear, technically accurate explanation of these crucial cryptographic concepts. Gain valuable insights into key exchange review, Diffie-Hellman assurances, and the practical applications of these security measures in modern cryptography.