Please use this identifier to cite or link to this item: http://hdl.handle.net/1783.1/2898

Dynamic key-updating: Privacy-preserving authentication for RFID systems

Authors Lu, L.
Han, J.
Hu, L.
Liu, Y.
Ni, L.M.
Issue Date 2006
Source Proceedings - Fifth Annual IEEE International Conference on Pervasive Computing and Communications, PerCom 2007 , 2006, p. 13-22
Summary The objective of private authentication for Radio Frequency Identification (RFID) systems is to allow valid readers to explicitly authenticate their dominated tags without leaking tags' private information. To achieve this goal, RFID tags issue encrypted authentication messages to the RFID reader, and the reader searches the key space to locate the tags. Due to the lack of efficient key updating algorithms, previous schemes are vulnerable to many active attacks, especially the compromising attack In this paper, we propose a Strong and lightweight RFID Private Authentication protocol, SPA. By designing a novel key updating method, we achieve the forward secrecy in SPA with an efficient key search algorithm. We also show that, compared with existing designs, SPA is able to effectively defend against both passive and active attacks, including compromising attacks. Through proto-type implementation, we observe that SPA is practical and scalable in current RFID infrastructures. © 2007 IEEE.
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Language English
Format Conference paper
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