A Secure RFID Authentication Protocol with Low Communication Cost (original) (raw)

2009, 2009 International Conference on Complex, Intelligent and Software Intensive Systems

Gene Tsudik proposed a Trivial RFID Authentication Protocol (YA-TRAP*), where a valid tag can become incapacitated after exceeding the prestored threshold value and is thus vulnerable to DoS attack. Our scheme solves the problem by allowing a tag to refresh its prestored threshold value. Moreover, our scheme is forward secure and provides reader authentication, resistance against timing, replay, tracking attacks. We show the use of aggregate hash functions in our complete scheme to reduce the reader to server communication cost. The reader uses partial authentication to keep the rougue tags out of the aggregate function.

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