# File lib/Dnsruby/resource/TSIG.rb, line 466
      def init_defaults
        # @TODO@ Have new() method which takes key_name and key?

        @algorithm   = DEFAULT_ALGORITHM
        @fudge       = DEFAULT_FUDGE
        @mac_size    = 0
        @mac         = ""
        @original_id = rand(65536)
        @error       = 0
        @other_size   = 0
        @other_data  = ""
        @time_signed = nil
        @buf = nil
        
        # RFC 2845 Section 2.3

        @klass = Classes.ANY
        
        @ttl = 0 # RFC 2845 Section 2.3

      end