A New Formal Proof Model for RFID Location Privacy

  • Authors:
  • Junghoon Ha;Sangjae Moon;Jianying Zhou;Jaecheol Ha

  • Affiliations:
  • Kyungpook National University, Korea;Kyungpook National University, Korea;Institute for Infocomm Research, Singapore;Hoseo University, Korea

  • Venue:
  • ESORICS '08 Proceedings of the 13th European Symposium on Research in Computer Security: Computer Security
  • Year:
  • 2008

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Abstract

The privacy and security problems in RFID systems have been extensively studied. However, less research has been done on formal analysis of RFID security. The existing adversarial models proposed in the literature have limitations for analyzing RFID location privacy. In this paper, we propose a new formal proof model based on random oracle and indistinguishability. It not only considers passive/active attacks to the message flows between RFID reader and tag, but also takes into account physical attacks for disclosing tag's internal state, thus making it more suitable for real RFID systems. We further apply our model to analyze location privacy of an existing RFID protocol.