# File lib/Dnsruby/resource/TSIG.rb, line 548
      def rdata_to_string        
        rdatastr=""
        if (@algorithm!=nil)
          error = @error
          error = "UNDEFINED" unless error!=nil
          rdatastr = "#{@original_id} #{@time_signed} #{@algorithm}. #{error}";
          if (@other_size > 0 && @other_data!=nil)
            rdatastr += " #{@other_data}"
          end
          rdatastr += " " + mac.unpack("H*").to_s
        end
        
        return rdatastr
      end