Thibauld Feneuil on Muck Rack

Thibauld Feneuil

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Articles

Dual Support Decomposition in the Head: Shorter Signatures from Rank SD and MinRank

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By Loïc Bidoux, Thibauld Feneuil, Philippe Gaborit, Romaric Neveu
| eprint.iacr.org
Paper 2024/541 , Technology Innovation Institute , CryptoExperts (France) , University of Limoges , University of Limoges , CryptoExperts (France) The MPC-in-the-Head (MPCitH) paradigm is widely used for building post-quantum signature schemes, as it provides a versatile way to design proofs of knowledge based on hard problems.
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MQ on my Mind: Post-Quantum Signatures from the Non-Structured Multivariate Quadratic Problem

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By Ryad Benadjila, Thibauld Feneuil, Matthieu Rivain
| eprint.iacr.org
Paper 2023/1719 , CryptoExperts (France) , CryptoExperts (France), Sorbonne University , CryptoExperts (France) This paper presents MQ on my Mind (MQOM), a digital signature scheme based on the difficulty of solving multivariate systems of quadratic equations (MQ problem). MQOM has been submitted to the NIST call for additional post-quantum signature schemes.
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RYDE: A Digital Signature Scheme based on Rank-Syndrome-Decoding Problem with MPCitH Paradigm

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By Jesús-Javier Chi-Domínguez, Thibauld Feneuil, Philippe Gaborit, Antoine Joux
| arxiv.org
We present a signature scheme based on the Syndrome-Decoding problem in rank metric. It is a construction from multi-party computation (MPC), using a MPC protocol which is a slight improvement of the linearized-polynomial protocol used in [Fen22], allowing to obtain a zero-knowledge proof thanks to the MPCitH paradigm.
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