# File lib/gssapi/simple.rb, line 22
    def initialize(host_name, service_name=nil, keytab=nil)
      @host = host_name
      @service = service_name.nil? ? "host@#{@host}" : (service_name.include?('@') ? service_name : "#{service_name}@#{@host}")
      @int_svc_name = import_name(@service)
      @context = nil # the security context
      @scred = nil # the service credentials.  really only used for the server-side via acquire_credentials
      set_keytab(keytab) unless keytab.nil?
    end