Journal
IEEE TRANSACTIONS ON DEPENDABLE AND SECURE COMPUTING
Volume 12, Issue 2, Pages 230-242Publisher
IEEE COMPUTER SOC
DOI: 10.1109/TDSC.2014.2302305
Keywords
RFID; secure search; tag search; serverless search; security protocols
Categories
Funding
- ARC Linkage grant [LP100100816]
- National Natural Science Foundation of China (NSFC) [61350001]
- Australian Research Council [LP100100816] Funding Source: Australian Research Council
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One of the important features of an RFID systemis its ability to search for a particular tag among a group of tags. In order to ensure privacy and security of the tags, the search has to be conducted in a secure fashion. To our knowledge not much work has been done in this secure search area of RFID. The minimal work that has been done do not comply with the EPC C1G2 (Class-1 Gen-2) standard since most of them use expensive hash operations or sophisticated encryption schemes that cannot be implemented in the lowcost passive tags that are highly resource constrained. Our work aims to fill this gap by proposing a protocol that is based on simple XOR encryption and 128 bit pseudo random number generators (PRNG), operations that can be easily implemented on low-cost passive tags. Thus, our protocol enables large scale implementations and achieves EPC C1G2 compliance while meeting the security requirements. The protocol provides additional protection by hiding the pseudo-randomnumber during all transmissions using a blind-factor.
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