中文摘要：

ZHOU Yajian was born in China in 1971. He got his Ph.D. degree in 2003 in Communications Engineering from Xidian University at Xi＇an. He received his M. S. degree in 1996 and B. S. degree in 1993, both in the department of Material Science and Engineering of Beijing University of Aeronautics and Astronautics at Beijing. He is currently a lecturer in School of Computer Science and Technology of Beijing University of Posts and Telecommunications.His main research interests include mobile communications, security of wireless networks, security of databases, cryptography theory and its application, etc. Dr. Zhou is now the project leader of two projects from the National Natural Science Foundation of China and the National 863 High-Tech Research and Development Plan of China, respectively. Meanwhile, he is in charge of a project from Beijing Municipal Natural Science Foundation. He has published about 20 technical papers and two books. PANAnwei was bom in China in 1982. He earned his M.S. degree in 2009 and B.S. degree in 2005, both in College of Computer ＆ Information Engineering from Hohai University at Nanjing. His main research interests include information security, wireless sensor networks etc. LIJiguo was born in China in 1970. He earned his Ph.D. degree in 2003 in Computer Software and Theory and M. S. degree in 2000 in Pure Mathematics from Harbin Institute of Technology at Harbin. In 1996, he received his B. S. degree in Application Mathematics from Heilongjiang University at Harbin. He is currently a professor and Ph.D. supervisor in College of Computer ＆ Information Engineering and vice director of computer application and technology of Hohai University. His main research interests include cryptography theory and its application, network and information security, provable security, wireless sensor networks, trusted computing etc. Prof. LI has implemented and joined several projects from the National Natural Science Foundation of China and the National 863 High-Tech Research and Development Plan of