by Dan | Aug 18, 2018 | Essays
1. Describe the S-Boxes in DES. 2. Is F-box in DES reversible? If yes, why Inverse F-box is not used in DES decryption? 3. F box takes the right 32 bits ( R )from previous round and a sub round key (K) as two inputs and produce a 32 bit output. Assume R=Ox12345678,...
