# File lib/ec2/right_ec2.rb, line 871
    def describe_key_pairs(list=[])
      link = generate_request("DescribeKeyPairs", hash_params('KeyName',list.to_a))
      request_cache_or_info :describe_key_pairs, link,  QEc2DescribeKeyPairParser, @@bench, list.blank?
    rescue Exception
      on_exception
    end