# File lib/net/ntlm/target_info.rb, line 28
      def to_s
        result = ''
        av_pairs.each do |k,v|
          result << k
          result << [v.length].pack('S')
          result << v
        end
        result << Net::NTLM::TargetInfo::MSV_AV_EOL
        result << [0].pack('S')
        result.force_encoding(Encoding::ASCII_8BIT)
      end