code: func NewAuthServer(addr string, tlsConfig *tls.Config, provider auth.Provider) *AuthRemote {
  	return &AuthRemote{
  		Remote:   NewServerTLS(addr, tlsConfig),
  		provider: provider,
  	}
  }
docs: // NewAuthServer sets up a new auth server target with an addr
  // in the same format at NewServer and a default authentication provider to
  // use for Sign requests.