1. School of Mathematics and Statistics, Fujian Normal University, Fuzhou, China
2. Center for Applied Mathematics of Fujian Province, Fujian Normal University, Fuzhou, China
3. State Key Laboratory of Cryptology, Beijing, China
4. College of Computer and Cyber Security, Fujian Normal University, Fuzhou, China
5. Fujian Provincial Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fuzhou, China