作者机构:[1]Research Institute of Information Technology, Tsinghua University, Beijing 100084, China, [2]Tsinghua-Nuctech Data Security Institute, Tsinghua University, Beijing 100084, China, [3]Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China
相关基金:Supported by the National Natural Science Foundation of China (No. 60273006) and the Basic Research Foundation of Tsinghua National Laboratory for Information Science and Technology (TNList)