Address-bit Differential Power Analysis on Boolean Split Exponent Counter-measure

Christophe Negre

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Paper

Address-bit Differential Power Analysis on Boolean Split Exponent Counter-measure

Topics: Applied Cryptography

In Proceedings of the 17th International Joint Conference on e-Business and Telecommunications SECRYPT - Volume 1, 632-637, 2020 , Lieusaint - Paris, France

Author: Christophe Negre

Affiliation: DALI, Université de Perpignan, France, LIRMM, Université de Montpellier et CNRS, France

Keyword(s): Side Channel Analysis, Address Bit Differential Power Analysis, Exponentiation, Randomization.

Abstract: Current public key cryptographic algorithms (RSA, DSA, ECDSA) can be threaten by side channel analyses. The main approach to counter-act such attacks consists in randomizing sensitive data and address bits used in loads and stores of an exponentiation algorithm. In this paper we study a recent counter-measure ”Boolean split exponent” (Tunstall et al. 2018) preventing differential power analysis on address bits. We show that one of their proposed protections has a flaw. We derive an attack exploiting this flaw and we successfully apply it on a simulated power consumption of an RSA modular exponentiation.

CC BY-NC-ND 4.0

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Paper citation in several formats:

Negre, C. (2020). Address-bit Differential Power Analysis on Boolean Split Exponent Counter-measure. In Proceedings of the 17th International Joint Conference on e-Business and Telecommunications - SECRYPT; ISBN 978-989-758-446-6; ISSN 2184-7711, SciTePress, pages 632-637. DOI: 10.5220/0009891306320637

@conference{secrypt20,
author={Christophe Negre.},
title={Address-bit Differential Power Analysis on Boolean Split Exponent Counter-measure},
booktitle={Proceedings of the 17th International Joint Conference on e-Business and Telecommunications - SECRYPT},
year={2020},
pages={632-637},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0009891306320637},
isbn={978-989-758-446-6},
issn={2184-7711},
}

TY - CONF

JO - Proceedings of the 17th International Joint Conference on e-Business and Telecommunications - SECRYPT
TI - Address-bit Differential Power Analysis on Boolean Split Exponent Counter-measure
SN - 978-989-758-446-6
IS - 2184-7711
AU - Negre, C.
PY - 2020
SP - 632
EP - 637
DO - 10.5220/0009891306320637
PB - SciTePress