Abstract
RFID tag has limited calculation resources and small storage capacity , t he wireless communi cation channel between RFID tag and reader is vulnerable to various malicious attacks . A imed at these problems, a HMAC-based RFID lightweight authentication protocol is proposed in this paper, and some considerations about protocol implementation are made subsequently. In the new protocol, only the Hash function and XOR operation are used, so that the calculation capacity and storage space of RFID reader are utilized efficiently, the demand for the capacity of calculation and storage of tag are reduced. The protocol framework and the packet format are presented. The hardware implementation was done in Verilog HDL for an FPGA target device to get a fast prototype. The analysis of secu rity and performance show that the new protocol can resist some malicious attack s , such as spoofing attack, replay attack, tracking, etc., and is suitable for low-cost RFID system .
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