# File lib/aws/ec2/key_pair_collection.rb, line 63
      def each &block
        response = filtered_request(:describe_key_pairs)
        response.key_set.each do |kp|
          yield(KeyPair.new(kp.key_name,
                            :fingerprint => kp.key_fingerprint,
                            :config => config))
        end
        nil
      end