/**
* Add a KeyDescriptor with an X509 certificate.
*
* @param \SAML2\XML\md\RoleDescriptor $rd The RoleDescriptor the certificate should be added to.
* @param string $use The value of the 'use' attribute.
* @param string $x509data The certificate data.
*/
private function addX509KeyDescriptor(\SAML2\XML\md\RoleDescriptor $rd, $use, $x509data)
{
assert('in_array($use, array("encryption", "signing"), TRUE)');
assert('is_string($x509data)');
$keyDescriptor = \SAML2\Utils::createKeyDescriptor($x509data);
$keyDescriptor->use = $use;
$rd->KeyDescriptor[] = $keyDescriptor;
}
