Topological Key Hierarchy for Energy-Efficient Group Key Management in Wireless Sensor Networks

@article{Son2010TopologicalKH,
  title={Topological Key Hierarchy for Energy-Efficient Group Key Management in Wireless Sensor Networks},
  author={Ju-Hyung Son and Jun-Sik Lee and Seung-Woo Seo},
  journal={Wireless Personal Communications},
  year={2010},
  volume={52},
  pages={359-382}
}
A sensor network operating in open environments requires a network-wide group key for confidentiality of exchanged messages between sensor nodes. When a node behaves abnormally due to its malfunction or a compromise attack by adversaries, the central sink node should update the group key of other nodes. The major concern of this group key update procedure will be the multi-hop communication overheads of the rekeying messages due to the energy constraints of sensor nodes. Many researchers have… CONTINUE READING

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