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Erschienen in:
2015 | OriginalPaper | Buchkapitel
3. Capture Detection
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Abstract
The previous chapter looked at the security of WSNs from the single node perspective. We proposed a new probabilistic protocol for the node authentication and the communication confidentiality. Given that in our solution a secret key can be shared between more than two nodes, the attacker that physically captures a node is potentially able to compromise the confidentiality of a fraction of network communications. Actually, one of the most vexing problems for WSNs security is the node capture attack: An adversary can capture a node from the network eventually acquiring all the cryptographic material stored in it. Further, the captured node can also be reprogrammed by the adversary and re-deployed in the network in order to perform malicious activities.