Shaojing Zhang, College of Computer Science and Technology, Qingdao University; Chengliang Tian, College of Computer Science and Technology, Qingdao University, and State Key Laboratory of Cryptography and Digital Economy Security, Shandong University; Ruixue Wang, College of Computer Science and Technology, Qingdao University; Hequn Xian, Qingdao University; Guangwu Xu, State Key Laboratory of Cryptography and Digital Economy Security, Shandong University, and School of Cyber Science and Technology, Shandong University
