/**
* Update working_public_key, working_public_key_parameters and
* working_public_key_algorithm state variables from certificate.
*
* @param ValidatorState $state
* @param Certificate $cert
* @return ValidatorState
*/
private function _setPublicKeyState(ValidatorState $state, Certificate $cert)
{
$pk_info = $cert->tbsCertificate()->subjectPublicKeyInfo();
// assign working_public_key
$state = $state->withWorkingPublicKey($pk_info);
// assign working_public_key_parameters
$params = ValidatorState::getAlgorithmParameters($pk_info->algorithmIdentifier());
if (null !== $params) {
$state = $state->withWorkingPublicKeyParameters($params);
} else {
// if algorithms differ, set parameters to null
if ($pk_info->algorithmIdentifier()->oid() !== $state->workingPublicKeyAlgorithm()->oid()) {
$state = $state->withWorkingPublicKeyParameters(null);
}
}
// assign working_public_key_algorithm
$state = $state->withWorkingPublicKeyAlgorithm($pk_info->algorithmIdentifier());
return $state;
}
