1. School of Mathematics and Statistics; South-Central University for Nationalities; Wuhan China
2. Department of Computer Science and Engineering; Thapar University; Patiala Punjab India
3. Department of Information Systems and Cyber Security; The University of Texas at San Antonio; San Antonio USA
4. State Key Lab of Software Engineering, Computer School; Wuhan University; Wuhan China
5. Guangxi Key Laboratory of Cryptography and Information Security, Guilin University of Electronic Technology; Gulin China