Antonin Leroux on Muck Rack

Antonin Leroux

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Articles

SQIsign2D-West: The Fast, the Small, and the Safer

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By Andrea Basso, Luca De Feo, Pierrick Dartois, Antonin Leroux
| eprint.iacr.org
Paper 2024/760 , University of Bristol, IBM Research - Zurich , IBM Research - Zurich , Inria Bordeaux - Sud-Ouest Research Centre, Institut de Mathématiques de Bordeaux , Direction Générale de l'Armement, Université de Rennes , University of Bristol , NCC Group, University of Bristol , Inria Bordeaux - Sud-Ouest Research Centre, Institut de Mathématiques de Bordeaux , École Normale Supérieure de Lyon We introduce SQIsign2D-West, a variant of SQIsign using two-dimensional isogeny...
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Computing Orientations from the Endomorphism Ring of Supersingular Curves and Applications

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By Jonathan Eriksen, Antonin Leroux, Université de Rennes
| eprint.iacr.org
Paper 2024/146 , Norwegian University of Science and Technology , Direction Générale de l'Armement, Université de Rennes This work introduces several algorithms related to the computation of orientations in endomorphism rings of supersingular elliptic curves. This problem boils down to representing integers by ternary quadratic forms, and it is at the heart of several results regarding the security of oriented-curves in isogeny-based cryptography.
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SCALLOP-HD: group action from 2-dimensional isogenies

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By Mingjie Chen, Antonin Leroux, Université de Rennes
| eprint.iacr.org
Paper 2023/1488 , University of Birmingham , DGA-MI, Bruz, France, IRMAR, UMR 6625, Université de Rennes We present SCALLOP-HD, a novel group action that builds upon the recent SCALLOP group action introduced by De Feo, Fouotsa, Kutas, Leroux, Merz, Panny and Wesolowski in 2023.
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