Perform the following calculation using arithmetic in the finite field GF(2^8) with irreducible polynomial m(x) = x⁸ + x⁴ + x³ + x + 1, which is (100011011) or {11B}. 1. {03}.{8A} 2. {02}.{82} + {03}.{6F} + {01}.{4D} + {01}.{59}