Institution: | 1. College of Science, National University of Defense Technology, Changsha, 410073, China;2. Hunan Engineering Research Center of Commercial Cryptography Theory and Technology Innovation, Changsha 410073, China;1. School of Mathematics and Statistics, Shandong University of Technology, Zibo, 255091, China;2. Chern Institute of Mathematics and LPMC, Nankai University, Tianjin, 300071, China |