anchor.diff:  %% Internal Function Definitions
   %% ------------------------------------------------------------------
   
  -read_message(HeaderFrame) ->
  -    ?debugVal(HeaderFrame),
  +read_body() ->
       receive
           {zmq, _StatusSock, BodyFrame, []} ->
  -            ?debugVal(BodyFrame),
  -            case catch do_authenticate_message(HeaderFrame, BodyFrame) of
  -                {ok} ->
  -                    send_heartbeat(BodyFrame);
  -                {no_authn, bad_sig} ->
  -                    error_logger:info_msg("Status message failed verification: ~s~n", [HeaderFrame])
  -            end
  +            BodyFrame
       end.
   
   do_authenticate_message(Header, Body) ->
  
positive.code:     Plain = chef_authn:hash_string(Body),
      try
          Decrypted = Plain,
          {ok}
      catch
          error:{badmatch, _} ->
              {no_authn, bad_sig}
  
negative.code: 
  handle_info({zmq, _StatusSock, Header, [rcvmore]},
      #state{heartbeat_interval=HeartbeatInterval,dead_interval=DeadInterval}=State) ->
  
      Body = read_body(),
      case catch do_authenticate_message(Header, Body) of
          ok ->
              send_heartbeat(Body, HeartbeatInterval, DeadInterval);
          {no_authn, bad_sig} ->
              error_logger:error_msg("Status message failed verification: header=~s~n", [Header])
      end,
  
      {noreply, State};
  handle_info(_Info, State) ->
      {noreply, State}.
  