/**
* DSA verify
*
* @param string $message message
* @param string $sig signature
* @param array $sigKeys key
* @return boolean if success
* @exception Exception if extension not exists
*/
function verify($message, $sig, $sigKeys)
{
if (extension_loaded('gmp')) {
return Security_DSA::_verifyByGmp($message, $sig, $sigKeys);
} else {
if (extension_loaded('bcmath')) {
return Security_DSA::_verifyByBcmath($message, $sig, $sigKeys);
} else {
die('gmp or bcmath extension required');
}
}
}
