private function checkKeys(Algorithm\KeyEncryptionAlgorithmInterface $key_encryption_algorithm, Algorithm\ContentEncryptionAlgorithmInterface $content_encryption_algorithm, Object\JWKInterface $recipient_key)
{
$this->checkKeyUsage($recipient_key, 'encryption');
if ('dir' !== $key_encryption_algorithm->getAlgorithmName()) {
$this->checkKeyAlgorithm($recipient_key, $key_encryption_algorithm->getAlgorithmName());
} else {
$this->checkKeyAlgorithm($recipient_key, $content_encryption_algorithm->getAlgorithmName());
}
}