sbox0[sbox1[i]]; j != byte(i) { t.Errorf("sbox0[sbox1[%#x]] = %#x", i, j) } if j := sbox1[sbox0[i]]; j != byte(i) { t.Errorf("sbox1[sbox0[%#x]] = %#x", i, j) } } } // Test that encryption tables are correct. // (Can adapt this code to generate them too.) func TestTe(t *testing.T) { for i := 0; i < 256; i++ { s := uint32(sbox0[i]) s2 := mul(s, 2) s3 := mul(s, 3) w := s2<<24 | s<<16 | s<<8 | s3 te := [][256]uint32{te0, te1, te2, te3} for j := 0; j < 4; j++ { if x := te[j][i]; x != w { t.Fatalf("te[%d][%d] = %#x,...