CV_Error(cv::Error::StsBadArg,cv::format("Invalid key_size (=%d). Valid values for your system are %d <= key_size < %d.",(int)key_size,(int)key_size_lower_bound,(int)key_size_upper_bound));
CV_Error(cv::Error::StsBadArg,cv::format("Invalid key_size (=%d). Valid values for your system are %d <= key_size < %d.",(int)key_size,(int)key_size_lower_bound,(int)key_size_upper_bound));