| Affiliation: | [1]College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China; [2]College of Computer and Information, Zhejiang Wanli University, Zhejiang NingBo 315100, P.R. China; [3]Faculty of Electronic and Information Engineering, Zhejiang Wanli University, Zhejiang NingBo 315100, RR. China.; [4]College of Junior. Zhejiang Wanli University, Zhejiang Ningbo 31510, P.R.China; [5]Information Security Group, Royal Holloway, University of London,UK. |
