Block Ciphers and Fiestel Networks

The lecture is a part of ACM India Winter school on cryptography and cybersecurity organized by VIT, Vellore. This is the fourth lecture and the first three lectures are as follows: Cryptography Introduction: https://youtu.be/b5SgmDtRRVQ Classical Ciphers Part 1: https://youtu.be/-ZqofDJptqk Classical Ciphers Part 2: https://youtu.be/mN-SVVdueBs