A secure and scalable rekeying mechanism for hierarchical wireless sensor networks

Song Guo, An Ni Shen, Minyi Guo

Research output: Journal article publicationJournal articleAcademic researchpeer-review

2 Citations (Scopus)


Many applications of wireless sensor networks (WSNs) require secure group communications. The WSNs are normally operated in unattended, harsh, or hostile environment. The adversaries may easily compromise some sensor nodes and abuse their shared keys to inject false sensing reports or modify the reports sent by other nodes. Once a malicious node is detected, the group key should be renewed immediately for the network security. Some strategies have been proposed to develop the group rekeying protocol, but most of existing schemes are not suitable for sensor networks due to their high overhead and poor scalability. In this paper, we propose a new group rekeying protocol for hierarchical WSNs with renewable network devices. Compared with existing schemes, our rekeying method possesses the following features that are particularly beneficial to the resource-constrained large-scale WSNs: (1) robustness to the node capture attack, (2) reactive rekeying capability to malicious nodes, and (3) low communication and storage overhead.
Original languageEnglish
Pages (from-to)421-429
Number of pages9
JournalIEICE Transactions on Information and Systems
Issue number3
Publication statusPublished - 1 Jan 2010
Externally publishedYes


  • Group rekeying
  • Hierarchical wireless sensor network
  • Key management
  • Security

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Computer Vision and Pattern Recognition
  • Artificial Intelligence
  • Electrical and Electronic Engineering


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