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Sensors 2013, 13(3), 3816-3830; doi:10.3390/s130303816

J3Gen: A PRNG for Low-Cost Passive RFID

1,2,* , 2,3 and 2,4
Received: 21 January 2013; in revised form: 25 February 2013 / Accepted: 11 March 2013 / Published: 19 March 2013
(This article belongs to the Section Physical Sensors)
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Abstract: 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.
Keywords: security; LFSR; multiple-polynomial; RFID; EPC Gen2 security; LFSR; multiple-polynomial; RFID; EPC Gen2
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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

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