实用指南：DigitalProductId解密算法php版

";
//}
$hexPid=array(0xc2,0x49,0x4b,0xcc,0x60,0x34,0x09,0xcd,0x96,0xf7,0xec,0x94,0x0e,0x97,0x02);
$decodedChars= ['B', 'C', 'D', 'F', 'G', 'H', 'J', 'K', 'M', 'P', 'Q', 'R',
'T', 'V', 'W', 'X', 'Y', '2', '3', '4', '6', '7', '8', '9', '6', '7', '8', '9', '9'];
//print_r($decodedChars);
//print_r($hexPid[0]);
//    echo "";
//print_r($hexPid);
$decodeLength = 29;
$decodeStringLength = 15;
for ( $i = $decodeLength - 1;$i >= 0; $i--)
{
// Every sixth char is a separator.
if (($i + 1) % 6 == 0)
{
$decodedChars[$i] = '-';
}
else
{
// Do the actual decoding.
$digitMapIndex = 0;
for ( $j = $decodeStringLength - 1; $j >= 0; $j--)
{
$byteValue = ($digitMapIndex ";
$hexPid[$j] = ($byteValue / 24);
$digitMapIndex = $byteValue % 24;
//echo "digitMapIndex=".$digitMapIndex."";
}
$decodedChars[$i] = $digits[$digitMapIndex];
}
}
for ( $i=0;$i

运行结果：xp sp3英文版的一个密钥

QC986-27D34-6M3TY-JJXP9-TBGMD

可以在下面的网址在线运行，

$hexPid=array(0xc2,0x49,0x4b,0xcc,0x60,0x34,0x09,0xcd,0x96,0xf7,0xec,0x94,0x0e,0x97,0x02);

修改为你的注册表中的DigitalProductId的偏移0x34到0x43的15哥字节，添加上0x，构造一个$hexpid数组。

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