Abstract

Wireless communication, signal broadcasting, strictly limited resources in tags make RFID systems being confronted with many security attacks and privacy disclosure threats. In this paper,an efficient lightweight RFID mutual authentication protocol is proposed, this protocol only requires O(1) work to identify and authenticate a tag in the backend server and is particularly suitable for the low-cost RFID systems because only one-way hash function, XOR operation and concatenation operation are needed in tags. The security and performance of this protocol are analyzed as well by comparing with the related RFID authentication protocols.

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