1. Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg City, Luxembourg
2. Network and Télécommunications Department, IUT Villetaneuse, University Sorbonne Paris Nors, L2TI LABORATORY, Villetaneuse, France
3. School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, P. R. China
4. Institute of Computer Technologies and Information Security, Southern Federal University, Taganrog, Russia
5. Department of Information Technology, College of Computer and Information Sciences, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
6. Peoples' Friendship University of Russia (RUDN University), Moscow, Russia
7. School of Physics and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo, China