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use strict; use Win32::TieRegistry; # Get the Windows XP CD Key print &getXPkey(qq!HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows NT +\\CurrentVersion\\\\DigitalProductId!); # Get Office 2003 CD Key # You need to get the GUID which is different on every machine my @office = $Registry->{"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Off +ice\\11.0\\Registration"}->SubKeyNames; print &getXPkey("HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Office\\11.0 +\\Registration\\$office[0]\\\\DigitalProductId"); sub getXPkey { use integer; my $registry = shift; my @bKeyChars = map(ord, (qw(B C D F G H J K M P Q R T V W X Y 2 3 4 + 6 7 8 9))); my $nCur; my @bDigitalProductID = unpack('C*', $Registry->{$registry}); my @bProductKey = @bDigitalProductID[52..66]; my $sCDKey = ''; for (my $ilByte = 24; $ilByte >= 0; $ilByte--) { $nCur = 0; for (my $ilKeyByte = 14; $ilKeyByte >= 0; $ilKeyByte--) { $nCur = $nCur * 256 ^ $bProductKey[$ilKeyByte]; $bProductKey[$ilKeyByte] = $nCur / 24; $nCur %= 24; } $sCDKey = chr($bKeyChars[$nCur]) . $sCDKey; $sCDKey = '-' . $sCDKey if ($ilByte % 5 == 0 and $ilByte != 0); } return $sCDKey; }

In reply to Finding Windows XP CD Key by wgannon

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