{ if (!loaded) { throw new IllegalStateException ("not loaded"); } if (keyring == null) { return 0; } return keyring.size(); }
{ ensureLoaded(); return privateKR.size() + publicKR.size(); }
  public int engineSize()  {    if (!loaded)      {        throw new IllegalStateException ("not loaded");      }    if (keyring == null)      {        return 0;      }    return keyring.size();  }