Low-swing current mode logic (LSCML): A new logic style for secure and robust smart cards against power analysis attacks
(2006) Microelectronics — Vol. 37, n° 9, p. 997-1006 (2006)
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- Authors
Legat, Jean-Didier 
- Abstract
- A new logic style called low-swing current mode logic (LSCML) is presented. It features a dynamic and differential structure and a low-swing current mode operation. The LSCML logic style may be used for hardware implementation of secure smart cards against differential power analysis (DPA) attacks but also for implementation of self-timed circuits thanks to its self-timed operation. Electrical simulations of the Khazad S-box have been carried out in 0.13 mu m PD (partially depleted) Sol CMOS technology. For comparison purpose, the Khazad S-box was implemented with the LSCML logic and two other dynamic differential logic styles previously reported. Simulation results have shown an improved reduction of the data-dependent power signature when using LSCML circuits. Indeed the LSCML based Khazad S-box has shown a power consumption standard deviation more than two times smaller than the one in DyCML and almost two times smaller than the one in DDCVSL. (c) 2006 Elsevier Ltd. All rights reserved.
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Citations
Hassoune, I., Macé, F., Flandre, D., & Legat, J.-D. (2006). Low-swing current mode logic (LSCML): A new logic style for secure and robust smart cards against power analysis attacks. Microelectronics, 37(9), 997-1006. https://doi.org/10.1016/j.mejo.2006.01.020 (Original work published 2006)