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