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Erschienen in:
2010 | OriginalPaper | Buchkapitel
A Desynchronization Tolerant RFID Private Authentication Protocol
verfasst von : Qingsong Yao, Yong Qi, Ying Chen, Xiao Zhong
Erschienen in: Wireless Algorithms, Systems, and Applications
Verlag: Springer Berlin Heidelberg
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Previous designed synchronization approaches advocate an
O
(1) search complexity. Although it is efficient, such an approach is vulnerable to
Desynchronization Attacks
, in which the secret information will become incrementally different between the tag and reader. Either adversary can utilize this to distinguish tags or the legitimate tag and reader cannot authenticate with each other. Even worse, synchronization approaches suffer from replay attacks. To address these problems, we propose a DESynchronization Tolerant RFID private authentication protocol, DEST, which forces a tag to keep its behaviors undistinguishable. DEST provides desynchronization tolerance, replay attack resistance, and forward secrecy. The analysis results show that DEST effectively enhances the privacy protection for RFID private authentication, and provides the same efficiency,
O
(1), as traditional synchronization approaches.