問題詳情

21. The Advanced Encryption Standard (AES) uses arithmetic in Galois field GF(28), with the irreducible polynomial m(x)=x8+x4+x3+x+1. Find out the result of the multiplication of two byte states

in GF(28).
(A)


(B)


(C)


(D)


(E)

參考答案

答案：B

統計：A:0,B:0,C:0,D:0,E:0

難度：計算中