# File lib/s3/right_s3_interface.rb, line 587
        def retrieve_object_and_verify(params, &block)
            AwsUtils.mandatory_arguments([:md5], params)
            resp = retrieve_object(params, &block)
            return resp if resp[:verified_md5]
            raise AwsError.new("Retrieved object failed MD5 checksum verification: #{resp.inspect}")
        end