import os, posix, streams, strutils

const fileName = "/sys/firmware/acpi/tables/MSDM"

if getuid() != 0:
  quit "run me as root"

if not fileName.existsFile:
  quit "System has no product key"

var
  fin = fileName.newFileStream fmRead

discard fin.readAll

let keyData = fin.readAll

echo keyData