Eingerprint: Robust Energy related Fingerprinting for Passive RFID Tags
summary
Uses the RC circuit energy of passive tags as an identity: defines persistence time and extracts it by flipping the volatile inventory flag via Gen2 Select/Query commands, including an enhanced mode that avoids powering-off and a parallel SL-flag scheme. Implements on commodity readers/tags (no hardware changes), measures persistence in ~3 s per tag (optimized to ~300 ms in parallel), reports 99.4% authentication accuracy with three sessions, and shows robustness to distance, orientation, transmit power and multipath.
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chapters (11)
- 0:00Intro
- 0:13Motivation
- 1:29Our Solution: Energy-related Fingerprint
- 2:23Our Solution: Persistence Time
- 4:08Volatile Memory: Inventoried Flag
- 4:36Fingerprint Extraction
- 5:36Select Command Fields of Select command
- 8:33Enhanced SQM (ESQM)
- 9:54ESQM--Multiple Tags Query
- 11:28Evaluation
- 13:44Conclusion
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