Question: Please I want to solve these questions Question 1 Given the plaintext {0F0E0D0C0B0A09080706050403020100} and the key {02020202020202020202020202020202}: a. Show the original contents of State ,

Please I want to solve these questions

Question 1

Given the plaintext {0F0E0D0C0B0A09080706050403020100} and the key {02020202020202020202020202020202}:

a. Show the original contents of State, displayed as a 4 * 4 matrix. b. Show the value of State after initial AddRoundKey. c. Show the value of State after SubBytes. d. Show the value of State after ShiftRows. e. Show the value of State after MixColumns.

Question 2

Determine the gcd of the following pairs of polynomials. a. (x³ + 1) and (x² + x + 1) over GF(2)

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