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Secure and Efficient AES Software Implementation for Smart Cards

  • Elena Trichina
  • Lesya Korkishko
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3325)

Abstract

In implementing cryptographic algorithms on limited devices such as smart cards, speed and memory requirements had always presented a challenge. With the advent of side channel attacks, this task became even more difficult because a programmer must take into account countermeasures against such attacks, which often increases computational time, or memory requirements, or both.

In this paper we describe a new method for secure implementation of the Advanced Encryption Standard algorithm. The method is based on a data masking technique, which is the most widely used countermeasure against power analysis and timing attacks at a software level. The change of element representation allows us to achieve an efficient solution that combines low memory requirements with high speed and resistance to attacks.

Keywords

Smart Card Side Channel Attack Advance Encryption Standard Algorithm Cryptographic Hardware Secure Implementation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Elena Trichina
    • 1
  • Lesya Korkishko
    • 2
  1. 1.Department of Computer ScienceUniversity of KuopioKuopioFinland
  2. 2.Institute of Computer Information TechnologiesTernopol Academy of National EconomyUkraine

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