Dynamic AES – Extending the Lifetime?

Authors

  • Henrik Tange Aalborg University, Frederik Bajers Vej 7, DK-9220 Aalborg, Denmark
  • Birger Andersen Center for Wireless Systems and Applications / CTIF-Copenhagen, Technical University of Denmark, DTU Ballerup Campus, DK-2750 Ballerup, Denmark

DOI:

https://doi.org/10.13052/jcsm2245-1439.233

Keywords:

AES, side-channel attacks, attack countermeasures, TNAF, ECC, related sub-key attacks, biclique attacks

Abstract

AES (Advanced Encryption Standard) is a worldwide used standard for symmetric encryption and decryption. AES is for instance used in LTE (Long-Term Evolution) and in Wi-Fi. AES is based on operations of permutations and substitutions. Furthermore, AES is using a key scheduling algorithm. It has been proven that AES is vulnerable to side-channel attacks, related sub-key attacks and biclicque attacks. This paper introduces a new dynamic version of AES where the main flow is depending on the TNAF (τ-adic Non-Adjacent Form) value. This new approach can prevent side-channel attacks, related sub-key attacks and biclique attacks.

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Author Biographies

Henrik Tange, Aalborg University, Frederik Bajers Vej 7, DK-9220 Aalborg, Denmark

Henrik Tange received the B.Eng (export engineer) from the Copenhagen University College of Engineering in 1999 and the M.Sc. in Communication Network specializing in Security from Aalborg University in 2009. Since 2009 he has been a PhD student at Aalborg University. Since 2000 he has been teaching at Copenhagen University College of Engineering which merged into Technical University of Denmark.

Birger Andersen, Center for Wireless Systems and Applications / CTIF-Copenhagen, Technical University of Denmark, DTU Ballerup Campus, DK-2750 Ballerup, Denmark

Birger Andersen is a professor at Technical University of Denmark, Copenhagen, Denmark, and director of Center for Wireless Systems and Applications (CWSA). He received his M.Sc. in computer science in 1988 from University of Copenhagen, Denmark, and his Ph.D. in computer science in 1992 from University of Copenhagen. He was an assistant professor at University of Copenhagen, a visiting professor at Universität Kaiserslautern, Germany, and an associate professor at Aalborg University. Later he joined the IT department of Copenhagen Business School, Denmark, and finally Copenhagen University College of Engineering which merged into Technical University of Denmark. He is currently involved in research in wireless systems with a focus at security

References

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Published

2014-07-20

How to Cite

1.
Tange H, Andersen B. Dynamic AES – Extending the Lifetime?. JCSANDM [Internet]. 2014 Jul. 20 [cited 2024 Nov. 24];2(3-4):243-64. Available from: https://journals.riverpublishers.com/index.php/JCSANDM/article/view/6151

Issue

2014: Vol 2 Iss 3-4

Section

Articles