A co-commitment based secure data collection scheme for tiered wireless sensor networks

  • Authors:
  • Yang Zhao;Youtao Zhang;Zhiguang Qin;Taieb Znati

  • Affiliations:
  • School of Computer Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China;Department of Computer Science, University of Pittsburgh, Pittsburgh 15260, USA;School of Computer Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China;Department of Computer Science, University of Pittsburgh, Pittsburgh 15260, USA

  • Venue:
  • Journal of Systems Architecture: the EUROMICRO Journal
  • Year:
  • 2011

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Abstract

Tiered wireless sensor networks (WSNs) have many advantages over traditional WSNs. However, they are vulnerable to security attacks, especially the attacks to the storage nodes that buffer and process the data readings from sensors. In this paper, we propose a secure data collection protocol SDC to support time-based queries in tiered WSNs. With small overhead introduced to data communication, SDC protects both data confidentiality and data integrity. In particular it employs data co-commitment scheme such that it can detect the seriousness of data losing and estimate the value of lost data in the network.