Jose\Object\JWK::thumbprint PHP Method

    public function thumbprint($hash_algorithm)
    {
        Assertion::inArray($hash_algorithm, hash_algos(), sprintf('Hash algorithm "%s" is not supported', $hash_algorithm));
        $values = array_intersect_key($this->getAll(), array_flip(['kty', 'n', 'e', 'crv', 'x', 'y', 'k']));
        ksort($values);
        $input = json_encode($values);
        return Base64Url::encode(hash($hash_algorithm, $input, true));
    }