Question: Problem 17: Using the same cipher key K=(1111 1111 1111 1111 1111 1111 1111 1111)16 and apply each of the following transformations on two plaintexts

Problem 17: Using the same cipher key K=(1111 1111 1111 1111 1111 1111 1111 1111)16 and apply each of the following transformations on two plaintexts

P1=(0000 0000 0000 0000 0000 0000 0000 0000)16

P2=(5000 0000 0000 0000 0000 0000 0000 0000)16

that differ only in the first bit. Find the number of bits changed after each transformation. Each transformation is applied independently.

a) SubBytes.

b) ShiftRows.

c) MixColumns.

d) AddRoundKey.

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