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Paper 2009/092
Reducing RFID Reader Load with the Meet-in-the-Middle Strategy
Jung Hee Cheon and Jeongdae Hong and Gene Tsudik
Abstract
In almost any RFID system, a reader needs to identify, and optionally authenticate, a multitude of tags. If each tag has a unique secret, identification and authentication are trivial, however, the reader (or a back-end server) needs to perform a brute-force search for each tag-reader interaction. In this paper, we suggest a simple, efficient and secure technique that reduces reader computation to $O(\sqrt N \cdot \log N)$. Our technique is based on the well-known ``meet-in-the-middle'' strategy used in the past to attack certain symmetric ciphers.
Metadata
- Available format(s)
- Category
- Applications
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- RFID IdentificationAuthenticationMeet-in-the-Middle StrategyPRF
- Contact author(s)
- jhcheon @ snu ac kr
- History
- 2009-02-24: received
- Short URL
- https://ia.cr/2009/092
- License
-
CC BY