A trust establishment scheme for cluster-based sensor networks

  • Authors:
  • Youcai Zhou;Tinglei Huang;Wei Wang

  • Affiliations:
  • The School of Computer and Control, Guilin university of electronic technology, Guilin, china;The School of Computer and Control, Guilin university of electronic technology, Guilin, china;The School of Computer and Control, Guilin university of electronic technology, Guilin, china

  • Venue:
  • WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
  • Year:
  • 2009

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Abstract

Because sensor networks(WSN) often deployed in a wicked and hostile environment, individual nodes of WSN could be easily compromised by the adversary. Once a node's cryptographic key is compromised, an attacker may completely impersonate it and introduce arbitrary false information into the network. Basic cryptographic mechanisms are often not effective in this situation. In this paper we developed the trust and reputation management scheme to secure network in cluster-based Sensor Networks. In the cluster, the surveillance node(SN) use watchdog mechanism to monitor the behavior of every cluster node(CN), maintain reputation for other nodes and use it to evaluate their trustworthiness. The cluster head(CH) finally computed the trust value, decide node revocation and select SN newly.