Abstract:In this paper we present methods of protecting RFID tags users' privacy. Based on well-known technique by Juels et al. called Blocker tag we introduce a set of methods for increasing security using a device called Hedgehog blocker. Hedgehog blocker copes with the problem of the additional information gained by the adversary through measuring signal power (i.e. learning the number of transmitting tags ). We claim that although Hedgehog blocker would be more expensive than regular Blocker tags, it provides priva… Show more
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