基金This research is supported by National Natural Science Foundation of China （No. 61572267, No. 61272425, No. 61402245）, the Open Project of Co-Innovation Center for Information Supply ＆ Assurance Technology, Anhui University, the Open Project of the State Key Laboratory of Information Security, Institute of Information Engineering, Chinese Academy of Sciences（No. 2017-MS-21, No. 2016-MS-23）, National Cryptography Development Fund of China （MMJJ20170118）.