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J3Gen: A PRNG for Low-Cost Passive RFID

Department of Communications and Information Technologies, Universitat Pompeu Fabra,Tànger 122-140, 08018 Barcelona, Spain
Internet Interdisciplinary Institute, Universitat Oberta de Catalunya, Roc Boronat 117, 08018 Barcelona, Spain
RST Department, Institut Mines-Telecom, Telecom Sud Paris, CNRS Samovar UMR 5157, 9 Rue Charles Fourier, 91000 Evry, France
Department of Information and Communications Engineering, Universitat Autònoma de Barcelona, Edifici Q, Campus de Bellaterra, 08193 Bellaterra, Spain
Author to whom correspondence should be addressed.
Sensors 2013, 13(3), 3816-3830;
Received: 21 January 2013 / Revised: 25 February 2013 / Accepted: 11 March 2013 / Published: 19 March 2013
(This article belongs to the Section Physical Sensors)
Pseudorandom number generation (PRNG) is the main security tool in low-cost passive radio-frequency identification (RFID) technologies, such as EPC Gen2. We present a lightweight PRNG design for low-cost passive RFID tags, named J3Gen. J3Gen is based on a linear feedback shift register (LFSR) configured with multiple feedback polynomials. The polynomials are alternated during the generation of sequences via a physical source of randomness. J3Gen successfully handles the inherent linearity of LFSR based PRNGs and satisfies the statistical requirements imposed by the EPC Gen2 standard. A hardware implementation of J3Gen is presented and evaluated with regard to different design parameters, defining the key-equivalence security and nonlinearity of the design. The results of a SPICE simulation confirm the power-consumption suitability of the proposal. View Full-Text
Keywords: security; LFSR; multiple-polynomial; RFID; EPC Gen2 security; LFSR; multiple-polynomial; RFID; EPC Gen2
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MDPI and ACS Style

Melià-Seguí, J.; Garcia-Alfaro, J.; Herrera-Joancomartí, J. J3Gen: A PRNG for Low-Cost Passive RFID. Sensors 2013, 13, 3816-3830.

AMA Style

Melià-Seguí J, Garcia-Alfaro J, Herrera-Joancomartí J. J3Gen: A PRNG for Low-Cost Passive RFID. Sensors. 2013; 13(3):3816-3830.

Chicago/Turabian Style

Melià-Seguí, Joan, Joaquin Garcia-Alfaro, and Jordi Herrera-Joancomartí. 2013. "J3Gen: A PRNG for Low-Cost Passive RFID" Sensors 13, no. 3: 3816-3830.

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