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Security is one of the major issue for the ubiquitous sensor networks' (USNs) applications. The evolution of ubiquitous sensor networks provides a unique solution for many ubiquitous information services. Apparently, it challenges the data security and secrecy due to its hostile deployment which is not robust to physical attacks from restricted sources. In order to resolve, the security issue that...
Peer-to-peer (P2P) networks are increasingly gaining acceptance over the Internet as they provide an infrastructure for content search and exchange between anonymous peers. The open and anonymous nature of P2P networks exposes a number of security vulnerabilities including the problem of finding reliable trustworthy communication partners. In this paper, we propose Q-Chain which provides a trust computation...
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