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THIS: THreshold security for Information aggregation in Sensor networks

By Hai Vu, Neeraj Mittal and S. Venkatesan


Message aggregation can be used to reduce the communication overhead in a network where many messages have the “same ” content. However, it may make the network less secure because, once the aggregator is compromised, the data correctness cannot be ensured. In this paper, we present a new scheme THIS that allows a base station to accept the aggregated data only if a majority of sensor nodes in the sensing area report “similar ” data. This solution enables messages to be aggregated in a secure and efficient manner. 1

Year: 2009
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