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Privacy and security in library RFID: issues, practices, and architectures
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Source Conference on Computer and Communications Security archive
Proceedings of the 11th ACM conference on Computer and communications security table of contents
Washington DC, USA
SESSION: Privacy table of contents
Pages: 210 - 219  
Year of Publication: 2004
ISBN:1-58113-961-6
Authors
David Molnar  University of California at Berkeley
David Wagner  University of California at Berkeley
Sponsors
SIGSAC: ACM Special Interest Group on Security, Audit, and Control
ACM: Association for Computing Machinery
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 79,   Downloads (12 Months): 807,   Citation Count: 33
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ABSTRACT

We expose privacy issues related to Radio Frequency Identification (RFID) in libraries, describe current deployments, and suggest novel architectures for library RFID. Libraries are a fast growing application of RFID; the technology promises to relieve repetitive strain injury, speed patron self-checkout, and make possible comprehensive inventory. Unlike supply-chain RFID, library RFID requires item-level tagging, thereby raising immediate patron privacy issues. Current conventional wisdom suggests that privacy risks are negligible unless an adversary has access to library databases. We show this is not the case. In addition, we identify private authentication as a key technical issue: how can a reader and tag that share a secret efficiently authenticate each other without revealing their identities to an adversary? Previous solutions to this problem require reader work linear in the number of tags. We give a general scheme for building private authentication with work logarithmic in the number of tags, given a scheme with linear work as a sub protocol. This scheme may be of independent interest beyond RFID applications. We also give a simple scheme that provides security against a passive eavesdropper using XOR alone, without pseudo-random functions or other heavy crypto operations.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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CITED BY  33

Collaborative Colleagues:
David Molnar: colleagues
David Wagner: colleagues