Need help!! please explain
mathematical Cryptography questions below:-
1 a) For simplified DES, draw graph that represent oneroundb) For simplified DES, suppose that Ri = 0b101001. What isE(Ri) ?c) Consider the S- box.S = [ 101 010 001 110 100 111 000 ]001 100 110 010 111 101 011if input is 0b1011, what is the output?
Answer