1. School of Computer Science and Information Security, Guilin University of Electronic Technology, Guilin, China
2. Guangxi Key Laboratory of Cryptography and Information Security, Guilin University of Electronic Technology, Guilin, China
3. School of Cyber Engineering, Xidian University, Xi’an, China
4. FAMNIT, University of Primorska, Koper, Slovenia
5. Science and Technology on Communication Security Laboratory, Chengdu, China