Privacy and security in library RFID: issues, practices, and architectures
Proceedings of the 11th ACM conference on Computer and communications security
RFID Privacy: An Overview of Problems and Proposed Solutions
IEEE Security and Privacy
Noisy tags: a pretty good key exchange protocol for RFID tags
CARDIS'06 Proceedings of the 7th IFIP WG 8.8/11.2 international conference on Smart Card Research and Advanced Applications
Efficient encoding of low-density parity-check codes
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
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At CARDIS'06, Castelluccia and Avoine introduce noisy tags to allow key exchange between an RFID tag and a reader. We here show that their protocol leads to a well-known information problem: the wiretap channel. We then make use of works by Thangaraj et al. on the case where the main channel is noiseless and where there are only erasures on the wiretapper's channel to improve previous results on noisy tags. In particular, we show how one can achieve, in a practical manner, perfect secrecy for key exchange in this noisy tags context.