1. Department of R&D center, Shanghai Chenrui Information Technology Company, Shanghai, China & Department of Information Security Technology, The Third Research Institute of the Ministry of Public Security, Shanghai, China
2. Department of R&D center, Shanghai Chenrui Information Technology Company, Shanghai, China & School of Computer Science, Fudan University, Shanghai, China & Department of Information Security Technology, The Third Research Institute of the Ministry of Public Security, Shanghai, China
3. Shanghai Xiangming High School, Shanghai, China
4. Department of Public Technical Service (General Office of the Administration Center of China E-government Network), State Information Center (Administration Center of China E-government Network), Beijing, China
5. Department of Science and Technology, Traffic Police Detachment of Nantong Public Security Bureau, Nantong, China
6. School of Information Technology and Network Security, People's Public Security University of China, Beijing, China