This video explains what Message Authentication Code (MAC) and HMAC are. Interested viewers may find the following links useful: Book: Cryptography And Public Key Infrastructure All Articles on Cyber Security - The Security Buddy Cyber Security Courses - The Security Buddy What is HMAC and how does it work? - The Security Buddy How to implement the HMAC algorithm using Python? - The Security Buddy What is DSA? - YouTube Follow us on Twitter: