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Generalized & "Yoking-Proofs" for a Group of Radio Frequency Identification Tags

Bolotnyy, Leonid; Robins, Gabe
Format
Report
Author
Bolotnyy, Leonid
Robins, Gabe
Abstract
Recently Ari Juels suggested a "yoking-proof" where a pair of radio-frequency identification (RFID) tags are both read within a specified time bound, and left open for future research the problem of generating a proof for larger groups of tags. We generalize his protocol by developing a proof which ensures that a group of tags is read within a certain time period. The tags generate such a proof even if the reader is untrusted. The proof is improbable to forge, and is verifiable off-line by a trusted verifier. Juels's problem formulation does not take privacy into account and the resulting protocol offers no privacy to the tags. We modify the problem statement to require the "yoking-proof" to maintain privacy, and we give a protocol for this new anonymous yoking problem, along with suggestions for speed ups.
Language
English
Date Received
2012-10-29
Published
University of Virginia, Department of Computer Science, 2006
Published Date
2006
Collection
Libra Open Repository
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