Question: Show that the matrix given here, with entries in GF(2 4 ), is the inverse of the matrix used in the MixColumns step of S-AES.

Show that the matrix given here, with entries in GF(24), is the inverse of the matrix used in the MixColumns step of S-AES.(x + 1 X X EX [ + Ex 1,

(x + 1 X X EX [ + Ex 1,

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