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Article Dans Une Revue Journal of Cryptographic Engineering Année : 2018

Euclidean addition chains scalar multiplication on curves with efficient endomorphism

Résumé

Random Euclidean addition chain generation has proven to be an efficient low memory and SPA secure alternative to standard ECC scalar multiplication methods in the context of fixed base point [21]. In this work, we show how to generalize this method to random point scalar multiplication on elliptic curves with an efficiently computable endomorphism. In order to do so we generalize results from [21] on the relation of random Euclidean chains generation and elliptic curve point distribution obtained from those chains. We propose a software implementation of our method on various platforms to illustrate the impact of our approach. For that matter, we provide a comprehensive study of the practical computational cost of the modular multiplication when using Java and C standard libraries developed for the arithmetic over large integers.
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Dates et versions

hal-01794402 , version 1 (17-05-2018)

Identifiants

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Fangan-Yssouf Dosso, Fabien Herbaut, Nicolas Méloni, Pascal Véron. Euclidean addition chains scalar multiplication on curves with efficient endomorphism. Journal of Cryptographic Engineering, In press, ⟨10.1007/s13389-018-0190-0⟩. ⟨hal-01794402⟩
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