function decode_string($instr)
{
global $offsets;
//echo "<P>DECODE <BR>";
$orig = "";
for ($i = 0; $i < strlen($instr); $i += 2) {
//echo "<P>";
$ch1 = substr($instr, $i, 1);
$ch2 = substr($instr, $i + 1, 1);
$val = hextoint($ch1) * 16 + hextoint($ch2);
//echo "decoding \"" . $ch1 . $ch2 . "\" = $val <br>\n";
$j = $i / 2 % count($offsets);
//echo "Using offsets $j = " . $offsets[$j] . "<br>";
$newval = $val - $offsets[$j] + 256;
$newval %= 256;
//echo " neval \"$newval\" <br>\n";
$dec_ch = chr($newval);
//echo " which is \"$dec_ch\" <br>\n";
$orig .= $dec_ch;
}
return $orig;
}
function decode_string($instr)
{
global $offsets;
$cntOffsets = count($offsets);
$orig = '';
for ($i = 0, $cnt = strlen($instr); $i < $cnt; $i += 2) {
$orig .= chr((hextoint(substr($instr, $i, 1)) * 16 + hextoint(substr($instr, $i + 1, 1)) - $offsets[$i / 2 % $cntOffsets] + 256) % 256);
}
return $orig;
}