m(x) = 0x11b = 100011011 = x^8 + x^4 + x^3 + x + 1m(x) = (x^4 + 1) * a(x) + (x^3 + x + 1)
a(x) = 0x10 = 00010000 = x^4
1 0 0 0 1 1 1 1 0 1 0
1 1 0 0 0 1 1 1 0 1 1
1 1 1 0 0 0 1 1 1 0 0
1 1 1 1 0 0 0 1 0 0 1
SBOX(10) = 1 1 1 1 1 0 0 0 * 1 + 0 = 0
0 1 1 1 1 1 0 0 1 1 0
0 0 1 1 1 1 1 0 1 1 1
0 0 0 1 1 1 1 1 0 0 1