Cheng Chao
Department of Computer Science, Anhui Normal University, Wuhu,241003
China

Cheng Chao is currently a M.A. candidate at the Department of Computer Science, Anhui Normal University, Wuhu, China. She received her BS degree in computer science from Anhui Normal University, in 2008. The direction of her research is distributed computing and trusted computing.

Yonglong Luo
Department of Computer Science, Anhui Normal University, Wuhu,241003
China

Luo Yonglong was born in Anhui Province, China, in 1972. He received the Ph.D. degree fron the Department of Computer Science and Technology of China in 2005. He is currently a professor of the Department of Computer Science and Technology at Anhui Normal University. His major research fields are distributed computing and information security.

Wenjuan Cheng
School of Computer & Information, Hefei University of Technology,230009
China

Cheng Wenjuan received the bachelor’s degree from the Department of Computer Science and Technology and received the master’s degree from the Department of Information Management, Hefei University of Technology in 2002. She is now an associate professor and a Ph.D. candidate of Hefei University of Technology of China. Her major research interest is Parallel Computing.