1. Engineering Research Center of Digital Forensics, Ministry of Education, Jiangsu Collaborative Innovation Center of Atmospheric Environment, the Equipment Technology, and the School of Computer Science, Nanjing University of Information Science and Technology, Nanjing, China
2. School of Economics and Management, Hubei University of Science and Technology, Xianning, China
3. Department of Computer Engineering, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia
4. School of Information Technology, Halmstad University, Halmstad, Sweden