Affiliation: | ZHAO Geng1,2,**,CHEN Guanrong2,FANG Jingqing3,XU Gang4 1.Key Laboratory of Information Security and Secrecy,Beijing Electronic Science and Technology Institute,Beijing 100070,China,2.Department of Electronic Engineering,City University of Hong Kong,Hong Kong,3.China Institute of Atomic Energy,Beijing 102413,4.School of Information Engineering,University of Science and Technology Beijing,Beijing 100083 |