Location verification using bidirectional one-way hash function in wireless sensor networks

Yann-Hang Lee, Jin Wook Lee, Vikram Phadke, Amit Deshmukh

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Evolving networks of wireless ad hoc sensing nodes have many attractive applications. Localisation, that is to determine where a given node is physically located, is a key enabler for many applications of sensor networks.As sensor networks move closer to extensive deployments, security becomes a major concern, resulting in a new demand for secure localisation and location proving systems. We propose a secure localisation system based on a secure hop algorithm. A location verification system that allows the base station to verify the location claims of sensor nodes is also presented. It prevents a node from falsifying reported location information and can be used for location-based access control. In order to support the resource-constrained sensor nodes, the proposed approach makes use of efficient one-way hash functions. Finally, we report the evaluation of the secure localisation system. The proposed scheme performs well under a range of scenarios tested and is resilient against an attacker creating incorrect location information in other nodes.

Original languageEnglish (US)
Pages (from-to)82-90
Number of pages9
JournalInternational Journal of Sensor Networks
Volume2
Issue number1-2
DOIs
StatePublished - 2007

Keywords

  • Localisation
  • Location verification
  • One-way hash function
  • Security

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Computer Science Applications
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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