Qiang Cao received his M.E. degree in applied mathematics from Shannxi Normal University in 2019, and is currently working towards his Ph.D. degree in computer science and technology at Beijing University of Posts and Telecommunications, Beijing, China. He is also a network security engineer and a reviewer of the Journal of System Architecture and IEEE Systems Journal. His current research mainly concentrates on cryptography protocols design in the Internet of Things. He has published papers in the IEEE TVT, IEEE Systems Journal, JSA, WWW, etc.