Lightboard Lessons: Explaining the Diffie-Hellman Key Exchange

The Diffie-Hellman key exchange is used extensively in Internet communications today. With the approval of the new TLS 1.3 protocol and the need for Perfect Forward Secrecy, many web applications use this key exchange because it provides better security than other key exchange algorithms like RSA. In this video, John outlines the details of Diffie-Hellman and he shows the math behind it all.