1. Engineering Research Center of Digital Forensics, Nanjing University of Information Science and Technology, Nanjing, China
2. School of Computer and Software, Nanjing University of Information Science and Technology, Nanjing, China
3. Department of Computer and Electronics Systems Engineering, Hankuk University of Foreign Studies, Yongin, Gyeonggi, Republic of Korea
4. Department of Information Systems, Security and Optimization for Networked Globe Laboratory, University of Maryland at Baltimore County, Baltimore, MD, USA
5. School of Computing, Edinburgh Napier University, Edinburgh, U.K
6. School of Automation, Nanjing University of Information Science and Technology, Nanjing, China
7. School of Cyber Engineering, Xidian University, Xi’an, China