function decrypt($key, $iv, $string = "")
{
$key = base64_decode($key);
$iv = base64_decode($iv);
$string = base64_decode($string);
return strippadding(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $string, MCRYPT_MODE_CBC, $iv));
}
function decrypt($data, $key = null, $iv = null)
{
$key = $key ? base64_decode($key) : base64_decode(DEFAULTKEY);
$iv = $iv ? base64_decode($iv) : base64_decode(DEFAULTIV);
return strippadding(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, base64_decode($data), MCRYPT_MODE_CBC, $iv));
}
function allpay_decrypt($sValue, $sSecretKey, $iv)
{
$sValue = str_replace(' ', '+', $sValue);
$str = strippadding(mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $sSecretKey, hex2bin($sValue), MCRYPT_MODE_CBC, $iv));
return $str;
}
