anchor.diff:  -define(NEWLINE, <<"\r\n">>).
   -define(REKEY_DATA_TMO, 65000).
   
  -%%-define(DEFAULT_KEX, 'diffie-hellman-group1-sha1').
   -define(DEFAULT_KEX, 'diffie-hellman-group14-sha256').
  +-define(EXTRA_KEX, 'diffie-hellman-group1-sha1').
   
   -define(CIPHERS, ['aes256-ctr','aes192-ctr','aes128-ctr','aes128-cbc','3des-cbc']).
   -define(DEFAULT_CIPHERS, [{client2server,?CIPHERS}, {server2client,?CIPHERS}]).
  
positive.code:         {result, Pid, Error} -> ct:fail("Error: ~p",[Error])
      end.
  
  %%%================================================================
  %%%==== Internal functions ========================================
  %%%================================================================
  
  %%%---- init_suite and end_suite ---------------------------------------	
  start_apps(Config) ->
  
negative.code: %%%--------------------------------------------------------------------
  %%% The client sends the extension
  ext_info_c(Config) ->    
      %% Create a listening socket as server socket:
      {ok,InitialState} = ssh_trpt_test_lib:exec(listen),
      HostPort = ssh_trpt_test_lib:server_host_port(InitialState),
  