A lightweight RFID protocol using substring

Authors:
Hung-Yu Chien;Chen-Wei Huang
Affiliations:
Dept. of Information Management, National Chi Nan University, Taiwan, R.O.C.;Dept. of Information Management, National Chi Nan University, Taiwan, R.O.C.
Venue:
EUC'07 Proceedings of the 2007 international conference on Embedded and ubiquitous computing
Year:
2007

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Abstract

As low-cost RFIDs with limited resources will dominate most of the RFID market, it is imperative to design lightweight RFID authentication protocols for these low-cost RFIDs. However, most of existing RFID authentication protocols either suffer from some security weaknesses or require costly operations that are not available on low-cost tags. In this paper, we analyze the security vulnerabilities of a lightweight authentication protocol recently proposed by Li et al. [4], and then propose a new lightweight protocol to improve the security.