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Improving side-channel attacks against pairing-based cryptography

Abstract : Side-channel attacks are a serious threat against secret data involved in cryptographic calculations , as for instance pairing-based cryptography which is a promising tool for the IoT. We focus our work on Correlation Power Analysis (CPA) attack against a pairing implementation. We improve a vertical side-channel analysis attack and propose the first horizontal attack against a pairing implementation. First, we present a characterization of the multiplication that allows us to reduce by a factor of ten the number of side-channel traces required in order to perform a CPA attack against an implementation of Ate pairing. Secondly , we successfully attack the same implementation with only one trace by using the first horizontal attack path against pairing-based cryptography.
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https://hal.archives-ouvertes.fr/hal-02068387
Contributor : Nadia El Mrabet <>
Submitted on : Thursday, March 14, 2019 - 8:16:33 PM
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Long-term archiving on: : Saturday, June 15, 2019 - 8:22:54 PM

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Damien Jauvart, Nadia El Mrabet, Jacques Fournier, Louis Goubin. Improving side-channel attacks against pairing-based cryptography. Journal of Cryptographic Engineering, Springer, In press, ⟨10.1007/s13389-018-00201-3⟩. ⟨hal-02068387⟩

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