use strict;
use MIME::Base64;

my $file = '/Applications/Microsoft Office 2008/Office/OfficePID.plist';
open (FILE,'<',$file);
my $flag = 0;
my $section = 0;
my $string;
foreach(<FILE>) {
  $flag = 1 if (m/<key>2000<\/key>/);
  $section++ if ($section == 1);
  $section = 1 if (m/<data>/ && $flag==1);
  if (m/<\/data>/) {
    $flag = 0;
    $section = 0;
  }
  if ($section == 2) {
    $string .= $_;
  }
}
close(FILE);
$string =~ s/\s//g;
my $hex = uc(unpack("H*", decode_base64(shift)));
$hex =~ s/(..)/$1,/g;
chop($hex);
decodekey($hex);