if len(audience) == 0 {
			errs = multierror.Append(errs, errors.New("audience must be non-empty string"))
		}
	}

	if len(rule.JwksUri) != 0 {
		if _, err := security.ParseJwksURI(rule.JwksUri); err != nil {
			errs = multierror.Append(errs, err)
		}
	}

	if rule.Jwks != "" {
		_, err := jwk.Parse([]byte(rule.Jwks))
		if err != nil {