code: func Bytes(dst, src0, src1 []byte) {
  	size := len(dst)
  	if size > len(src0) {
  		size = len(src0)
  	}
  	if size > len(src1) {
  		size = len(src1)
  	}
  	xorBytes(dst, src0, src1, size)
  }
docs: // Bytes : chose the shortest one as xor size
  // it's better to use it for big data ( > 64bytes )