DPA-Secured Quasi-Adiabatic Logic (SQAL) for low-power passive RFID tags employing s-boxes

Moshe Avital, Hadar Dagan, Itamar Levi, Osnat Keren, Alexander Fish

Research output: Contribution to journalArticlepeer-review

58 Scopus citations


Low-power mobile devices such as RFID tags and WSNs that employ AES cryptographic modules are susceptible to differential power analysis (DPA) attacks. This paper presents a novel secured quasi-Adiabatic logic (SQAL) technology that is both low-power and DPA immune. The efficiency of the SQAL technology was evaluated on an 8-bit AES-128 SBOX block and proved to be robust against DPA attacks. Compared to other adiabatic and non-Adiabatic logic styles, the SQAL technology achieves better results in terms of power consumption and area overhead.

Original languageEnglish
Article number6998067
Pages (from-to)149-156
Number of pages8
JournalIEEE Transactions on Circuits and Systems I: Regular Papers
Issue number1
StatePublished - 1 Jan 2015

Bibliographical note

Publisher Copyright:
© 2004-2012 IEEE.


  • AES
  • Adiabatic logic
  • differential power analysis (DPA)
  • passive RFID
  • secured quasi-Adiabatic logic (SQAL)


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