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Authors: Jérôme Dossogne and Stephane Fernandes Medeiros

Affiliation: Université Libre de Bruxelles, Belgium

Keyword(s): side-channel attacks, countermeasures, aspect oriented programming

Abstract: In this paper we introduce a new way to protect software implementation of cryptographic protocols against Side Channel Attacks (SCA) using Aspect Oriented Programming (AOP). For this purpose we have implemented the RSA algorithm in Java and our aspects with AspectJ. As a result, we show how AOP can help tremendously to enhance cryptographic protocols against SCA with nearly no negative side-effects. Moreover, we illustrate a new countermeasure against timing attacks aiming for the simple modular exponentiation technique. Our simulation performs a timing attack against the hamming weight of the secret key in a RSA cryptosystem. The success rate of the attack drops from 80% to 0% with our countermeasure.

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Paper citation in several formats:
Dossogne, J. and Fernandes Medeiros, S. (2011). Enhancing Cryptographic Code Against Side Channel Cryptanalysis With Aspects. In Proceedings of the 8th International Workshop on Security in Information Systems (ICEIS 2011) - WOSIS; ISBN 978-989-8425-61-4, SciTePress, pages 39-48. DOI: 10.5220/0003573800390048

@conference{wosis11,
author={Jérôme Dossogne. and Stephane {Fernandes Medeiros}.},
title={Enhancing Cryptographic Code Against Side Channel Cryptanalysis With Aspects},
booktitle={Proceedings of the 8th International Workshop on Security in Information Systems (ICEIS 2011) - WOSIS},
year={2011},
pages={39-48},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003573800390048},
isbn={978-989-8425-61-4},
}

TY - CONF

JO - Proceedings of the 8th International Workshop on Security in Information Systems (ICEIS 2011) - WOSIS
TI - Enhancing Cryptographic Code Against Side Channel Cryptanalysis With Aspects
SN - 978-989-8425-61-4
AU - Dossogne, J.
AU - Fernandes Medeiros, S.
PY - 2011
SP - 39
EP - 48
DO - 10.5220/0003573800390048
PB - SciTePress

- Science and Technology Publications, Lda.
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