Random Switching Logic: A New Countermeasure against DPA and Second-Order DPA at the Logic Level

  • Authors:
  • Daisuke Suzuki;Minoru Saeki;Tetsuya Ichikawa

  • Affiliations:
  • The authors are with Information Technology R&D Center, Mitsubishi Electric Corporation, Kamakura-shi, 247-8501 Japan. E-mail: Suzuki.Daisuke@bx.MitsubishiElectric.co.jp,;The authors are with Information Technology R&D Center, Mitsubishi Electric Corporation, Kamakura-shi, 247-8501 Japan. E-mail: Suzuki.Daisuke@bx.MitsubishiElectric.co.jp,;The author is with Kamakura Office, Mitsubishi Electric Engineering Company Limited, Kamakura-shi, 247-8501 Japan.

  • Venue:
  • IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  • Year:
  • 2007

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Abstract

This paper proposes a new countermeasure, Random Switching Logic (RSL), against DPA (Differential Power Analysis) and Second-Order DPA at the logic level. RSL makes a signal transition uniform at each gate and suppresses the propagation of glitch to allow power consumption to be independent of predictable data. Furthermore, we implement basic logic circuits on the FPGA (Field Programmable Gate Array) by using RSL, and evaluate the effectiveness. As a result, we confirm the fact that the secure circuit can be structured against DPA and Second-Order DPA.