Abstract
Due to the radio transmission nature of RFID, the challenge of security and privacy has seriously hindered the large-scale development of RFID technology. However, low-cost RFID tags have the characteristic of extremely limited resources, traditional security primitives cannot be better applied in RFID system. Hence, Designing an effective ultralightweight security protocol applying to low-cost tag is crucial for the various applications of RFID system. In this paper, we propose an ultralightweight secure protocol with mutual authentication. Without adopting classical cryptographic primitives, the protocol proposed only employs simple bit-wise operations such as xor and module addition. Meanwhile, the protocol can resist various attacks and has features of low computation cost and communication traffic.
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