func parseXORTables(in []byte) (out [9][32][3]table.Nibble, rest []byte) {
if in == nil || len(in) < xorTableSize*9*32*3 {
return
}
for i := 0; i < 9; i++ {
for j := 0; j < 32; j++ {
for k := 0; k < 3; k++ {
loc := 32*3*i + 3*j + k
out[i][j][k] = table.ParsedNibble(in[xorTableSize*loc : xorTableSize*(loc+1)])
}
}
}
return out, in[xorTableSize*9*32*3:]
}
func ParseBlockMatrix(in []byte) (outM [16]table.Block, outXOR [32][15]table.Nibble, rest []byte) {
if in == nil || len(in) < BlockMatrixSize {
return
}
for i := 0; i < 16; i++ {
outM[i] = table.ParsedBlock(in[SliceSize*i : SliceSize*(i+1)])
}
rest = in[16*SliceSize:]
for i := 0; i < 32; i++ {
for j := 0; j < 15; j++ {
loc := 15*i + j
outXOR[i][j] = table.ParsedNibble(rest[XorSize*loc : XorSize*(loc+1)])
}
}
rest = rest[32*15*XorSize:]
return
}