anchor.diff:  -behaviour(gen_server).
   
   %% api
  --export([start_link/0, start_link/2, stop/0]).
  +-export([start_link/2, stop/0]).
   
   %% gen_server callbacks
   -export([init/1,
  
positive.code: -module(dberl.auth).
  
  -import(crypto).
  
negative.code: 	 }).
  
  -define(SERVER, ?MODULE).
  
  start_link(DbusHost, DbusPort) ->
      gen_server:start_link({local, ?SERVER}, ?MODULE, [DbusHost, DbusPort, self()], []).
  