public static function Crypt($str, $key=false)
{
$res = '';
if($key===false)
$key = COption::GetOptionString("main", "pwdhashadd", "");
$key1 = CMailUtil::BinMD5($key);
while($str)
{
$m = CUtil::BinSubstr($str, 0, 16);
$str = CUtil::BinSubstr($str, 16);
$res .= CMailUtil::ByteXOR($m, $key1, 16);
$key1 = CMailUtil::BinMD5($key.$key1.$m);
}
return(base64_encode($res));
}
function Crypt($str, $key = false)
{
if ($key === false) {
$key = COption::GetOptionString("main", "pwdhashadd", "");
}
$key1 = CMailUtil::BinMD5($key);
while ($str) {
$m = substr($str, 0, 16);
$str = substr($str, 16);
$res .= CMailUtil::ByteXOR($m, $key1, 16);
$key1 = CMailUtil::BinMD5($key . $key1 . $m);
}
return base64_encode($res);
}