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Security is one of the core challenges especially for ICT in disaster Recovery. Sensitive data is transmitted via insecure links. Furthermore, there may be competing interests. Thus, there is a high probability of disturbance or eavesdropping of communication. However, the hierarchical structure of networks in such scenarios can be exploited for security purposes. Based on this, we developed the Topology...
Secure routing is a guarantee for wireless sensor networks working normally. The classical security mechanisms, such as encryption and authentication can only prevent the outside attacks and is helpless to inside attacks. In order to defeat the inside attacks and realize secure and efficient routing in static wireless sensor networks, we make three contributions in this paper. The first is to build...
In wireless sensor networks, secure and efficient routing is very important. But its realization is difficult because of the limited resources of sensor nodes and the many routing factors. In order to realize secure routing, shorten the delay and prolong the life of the network simultaneously, we make two efforts in this paper. The first is building a trust model based on the ratio of packets delivery,...
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