docs: public static String dumpAsString(
                                        Object obj)
      {
          if (obj instanceof DERObject)
          {
              return _dumpAsString("", (DERObject) obj);
          }
          else if (obj instanceof DEREncodable)
          {
              return _dumpAsString("", ((DEREncodable) obj).getDERObject());
          }
  
          return "unknown object type " + obj.toString();
      }