Scalable and flexible privacy protection scheme for RFID systems

  • Authors:
  • Sang-Soo Yeo;Sung Kwon Kim

  • Affiliations:
  • Chung-Ang University, Seoul, Korea;Chung-Ang University, Seoul, Korea

  • Venue:
  • ESAS'05 Proceedings of the Second European conference on Security and Privacy in Ad-Hoc and Sensor Networks
  • Year:
  • 2005

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Abstract

Radio Frequency Identification (RFID) system has been studied so much and it may be applicable to various fields. RFID system, however, still has consumer privacy problems under the limitation of low-cost tag implementation. We propose an efficient privacy protection scheme using two hash functions in the tag. We show that our scheme satisfies not only privacy and location history protection of consumers, but also scalability and flexibility of back-end servers. Additionally, we present a practical example to compare performance of several schemes.