Lecture 6: Data Encryption Standard (DES): Key Schedule and Decryption by Christof Paar
Introduction to Cryptography by Christof Paar · 67:06
This lecture by Christof Paar of Ruhr-Universität Bochum finishes his treatment of DES. It covers how the 16 subkeys are made from the key, proves why decryption is just encryption run with the subkeys in reverse orde...