Thomas Espitau

According to our database, Thomas Espitau authored at least 43 papers between 2015 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Masking the GLP Lattice-Based Signature Scheme at Any Order.

Gilles Barthe, Sonia Belaïd, Thomas Espitau, Pierre-Alain Fouque, Benjamin Grégoire, Mélissa Rossi, Mehdi Tibouchi

J. Cryptol., March, 2024

On hermitian decomposition lattices and the module-LIP problem in rank 2.

Thomas Espitau, Heorhii Pliatsok

IACR Cryptol. ePrint Arch., 2024

Flood and Submerse: Distributed Key Generation and Robust Threshold Signature from Lattices.

Thomas Espitau, Guilhem Niot, Thomas Prest

IACR Cryptol. ePrint Arch., 2024

Two-Round Threshold Signature from Algebraic One-More Learning with Errors.

Thomas Espitau, Shuichi Katsumata, Kaoru Takemure

IACR Cryptol. ePrint Arch., 2024

Plover: Masking-Friendly Hash-and-Sign Lattice Signatures.

Muhammed F. Esgin, Thomas Espitau, Guilhem Niot, Thomas Prest, Amin Sakzad, Ron Steinfeld

IACR Cryptol. ePrint Arch., 2024

2023

Cryptanalysis of the Peregrine Lattice-Based Signature Scheme.

Xiuhan Lin, Moeto Suzuki, Shiduo Zhang, Thomas Espitau, Yang Yu, Mehdi Tibouchi, Masayuki Abe

IACR Cryptol. ePrint Arch., 2023

On Gaussian sampling, smoothing parameter and application to signatures.

Thomas Espitau, Alexandre Wallet, Yang Yu

IACR Cryptol. ePrint Arch., 2023

Antrag: Annular NTRU Trapdoor Generation.

Thomas Espitau, Thi Thu Quyen Nguyen, Chao Sun, Mehdi Tibouchi, Alexandre Wallet

IACR Cryptol. ePrint Arch., 2023

Finding short integer solutions when the modulus is small.

Léo Ducas, Thomas Espitau, Eamonn W. Postlethwaite

IACR Cryptol. ePrint Arch., 2023

Recursive lattice reduction - A framework for finding short lattice vectors.

Divesh Aggarwal, Thomas Espitau, Spencer Peters, Noah Stephens-Davidowitz

CoRR, 2023

Antrag: Annular NTRU Trapdoor Generation - Making Mitaka as Secure as Falcon.

Thomas Espitau, Thi Thu Quyen Nguyen, Chao Sun, Mehdi Tibouchi, Alexandre Wallet

Proceedings of the Advances in Cryptology - ASIACRYPT 2023, 2023

2022

Guessing Bits: Improved Lattice Attacks on (EC)DSA with Nonce Leakage.

Chao Sun, Thomas Espitau, Mehdi Tibouchi, Masayuki Abe

IACR Trans. Cryptogr. Hardw. Embed. Syst., 2022

Shorter Hash-and-Sign Lattice-Based Signatures.

Thomas Espitau, Mehdi Tibouchi, Alexandre Wallet, Yang Yu

IACR Cryptol. ePrint Arch., 2022

Quantum binary quadratic form reduction.

Nicolas David, Thomas Espitau, Akinori Hosoyamada

IACR Cryptol. ePrint Arch., 2022

2021

Guessing Bits: Improved Lattice Attacks on (EC)DSA.

Chao Sun, Thomas Espitau, Mehdi Tibouchi, Masayuki Abe

IACR Cryptol. ePrint Arch., 2021

Mitaka: a simpler, parallelizable, maskable variant of Falcon.

Thomas Espitau, Pierre-Alain Fouque, François Gérard, Mélissa Rossi, Akira Takahashi, Mehdi Tibouchi, Alexandre Wallet, Yang Yu

IACR Cryptol. ePrint Arch., 2021

Towards Faster Polynomial-Time Lattice Reduction.

Paul Kirchner, Thomas Espitau, Pierre-Alain Fouque

Proceedings of the Advances in Cryptology - CRYPTO 2021, 2021

Mitaka: Faster, Simpler, Parallelizable and Maskable Hash-and-Sign Signatures on NTRU Lattices.

Thomas Espitau

Proceedings of the 8th on ASIA Public-Key Cryptography Workshop, 2021

2020

Algorithmic aspects of algebraic lattices. (Aspects algorithmiques des réseaux algébriques).

Thomas Espitau

PhD thesis, 2020

The nearest-colattice algorithm.

Thomas Espitau, Paul Kirchner

IACR Cryptol. ePrint Arch., 2020

On a hybrid approach to solve binary-LWE.

Thomas Espitau, Antoine Joux, Natalia Kharchenko

IACR Cryptol. ePrint Arch., 2020

Certified lattice reduction.

Thomas Espitau, Antoine Joux

Adv. Math. Commun., 2020

On a Dual/Hybrid Approach to Small Secret LWE - A Dual/Enumeration Technique for Learning with Errors and Application to Security Estimates of FHE Schemes.

Thomas Espitau, Antoine Joux, Natalia Kharchenko

Proceedings of the Progress in Cryptology - INDOCRYPT 2020, 2020

Fast Reduction of Algebraic Lattices over Cyclotomic Fields.

Paul Kirchner, Thomas Espitau, Pierre-Alain Fouque

Proceedings of the Advances in Cryptology - CRYPTO 2020, 2020

2019

Relational ⋆⋆\star-Liftings for Differential Privacy.

Gilles Barthe, Thomas Espitau, Justin Hsu, Tetsuya Sato, Pierre-Yves Strub

Log. Methods Comput. Sci., 2019

Algebraic and Euclidean Lattices: Optimal Lattice Reduction and Beyond.

Paul Kirchner, Thomas Espitau, Pierre-Alain Fouque

IACR Cryptol. ePrint Arch., 2019

GALACTICS: Gaussian Sampling for Lattice-Based Constant-Time Implementation of Cryptographic Signatures, Revisited.

Gilles Barthe, Sonia Belaïd, Thomas Espitau, Pierre-Alain Fouque, Mélissa Rossi, Mehdi Tibouchi

IACR Cryptol. ePrint Arch., 2019

2018

Loop-Abort Faults on Lattice-Based Signature Schemes and Key Exchange Protocols.

Thomas Espitau, Pierre-Alain Fouque, Benoît Gérard, Mehdi Tibouchi

IEEE Trans. Computers, 2018

Proving expected sensitivity of probabilistic programs.

Gilles Barthe, Thomas Espitau, Benjamin Grégoire, Justin Hsu, Pierre-Yves Strub

Proc. ACM Program. Lang., 2018

LWE Without Modular Reduction and Improved Side-Channel Attacks Against BLISS.

Jonathan Bootle, Claire Delaplace, Thomas Espitau, Pierre-Alain Fouque, Mehdi Tibouchi

IACR Cryptol. ePrint Arch., 2018

An Assertion-Based Program Logic for Probabilistic Programs.

Gilles Barthe, Thomas Espitau, Marco Gaboardi, Benjamin Grégoire, Justin Hsu, Pierre-Yves Strub

Proceedings of the Programming Languages and Systems, 2018

2017

Side-Channel Attacks on BLISS Lattice-Based Signatures - Exploiting Branch Tracing Against strongSwan and Electromagnetic Emanations in Microcontrollers.

Thomas Espitau, Pierre-Alain Fouque, Benoît Gérard, Mehdi Tibouchi

IACR Cryptol. ePrint Arch., 2017

Computing generator in cyclotomic integer rings, A subfield algorithm for the Principal Ideal Problem in L(1/2) and application to cryptanalysis of a FHE scheme.

Jean-François Biasse, Thomas Espitau, Pierre-Alain Fouque, Alexandre Gélin, Paul Kirchner

IACR Cryptol. ePrint Arch., 2017

Proving uniformity and independence by self-composition and coupling.

Gilles Barthe, Thomas Espitau, Benjamin Grégoire, Justin Hsu, Pierre-Yves Strub

Proceedings of the LPAR-21, 2017

*-Liftings for Differential Privacy.

Gilles Barthe, Thomas Espitau, Justin Hsu, Tetsuya Sato, Pierre-Yves Strub

Proceedings of the 44th International Colloquium on Automata, Languages, and Programming, 2017

Computing Generator in Cyclotomic Integer Rings - A Subfield Algorithm for the Principal Ideal Problem in L_|Δ𝕂|(½) and Application to the Cryptanalysis of a FHE Scheme.

Jean-François Biasse, Thomas Espitau, Pierre-Alain Fouque, Alexandre Gélin, Paul Kirchner

Proceedings of the Advances in Cryptology - EUROCRYPT 2017 - 36th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Paris, France, April 30, 2017

2016

Adaptive precision LLL and Potential-LLL reductions with Interval arithmetic.

Thomas Espitau, Antoine Joux

IACR Cryptol. ePrint Arch., 2016

Loop abort Faults on Lattice-Based Fiat-Shamir & Hash'n Sign signatures.

Thomas Espitau, Pierre-Alain Fouque, Benoît Gérard, Mehdi Tibouchi

IACR Cryptol. ePrint Arch., 2016

Computing generator in cyclotomic integer rings.

Thomas Espitau, Pierre-Alain Fouque, Alexandre Gélin, Paul Kirchner

IACR Cryptol. ePrint Arch., 2016

Loop-Abort Faults on Lattice-Based Fiat-Shamir and Hash-and-Sign Signatures.

Thomas Espitau, Pierre-Alain Fouque, Benoît Gérard, Mehdi Tibouchi

Proceedings of the Selected Areas in Cryptography - SAC 2016, 2016

Synthesizing Probabilistic Invariants via Doob's Decomposition.

Gilles Barthe, Thomas Espitau, Luis María Ferrer Fioriti, Justin Hsu

Proceedings of the Computer Aided Verification - 28th International Conference, 2016

2015

Higher-Order Differential Meet-in-The-Middle Preimage Attacks on SHA-1 and BLAKE.

Thomas Espitau, Pierre-Alain Fouque, Pierre Karpman

IACR Cryptol. ePrint Arch., 2015

Relational Reasoning via Probabilistic Coupling.

Gilles Barthe, Thomas Espitau, Benjamin Grégoire, Justin Hsu, Léo Stefanesco, Pierre-Yves Strub

Proceedings of the Logic for Programming, Artificial Intelligence, and Reasoning, 2015