Question: This problem deals with the AES - 1 2 8 block cipher. a ) Assume that the first column of the input to the InvMixColumn

This problem deals with the AES-128 block cipher.
a) Assume that the first column of the input to the InvMixColumn step is Si,0=(B4,52,E0,AE)16,
find the 3rd element of the corresponding column of the output state of the InvMixColumn step.
b) Given the input S2,1=(7A)16, find InvSubByte (S2,1).
c) Assume that round key 6(k6) is 0F 71 AF 15 C947 D90C B7 E859 D67F 67 AD)?16, find
the round keys for round 5(k5) and round 7(k7).
This problem deals with the AES-128 block cipher. a) Assume that

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