Quantum-dot cellular automata (QCA) based on cryptography is a new paradigm in the field of nanotechnology. The overall ......

基于Internet网络的视频监控系统已越来越受到人们的关注，如何保证远程视频监控系统的安全性是需要深入研究的课题。给出一种采用H．3......

To solve the problems of data sharing in social network,such as management of private data is too loose,access permissio......