# File lib/net/ntlm/message/type3.rb, line 77
        def ntlm_version
          if ntlm_response.size == 24 && lm_response[0,8] != "\x00"*8 && lm_response[8,16] == "\x00"*16
            :ntlm2_session
          elsif ntlm_response.size == 24
            :ntlmv1
          elsif ntlm_response.size > 24
            :ntlmv2
          end
        end