Geoffroy Couteau

According to our database, Geoffroy Couteau authored at least 64 papers between 2015 and 2024.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of three.

2024

QuietOT: Lightweight Oblivious Transfer with a Public-Key Setup.

Geoffroy Couteau, Lalita Devadas, Srinivas Devadas, Alexander Koch, Sacha Servan-Schreiber

IACR Cryptol. ePrint Arch., 2024

A Note on Low-Communication Secure Multiparty Computation via Circuit Depth-Reduction.

Pierre Charbit, Geoffroy Couteau, Pierre Meyer, Reza Naserasr

IACR Cryptol. ePrint Arch., 2024

On Threshold Signatures from MPC-in-the-Head.

Eliana Carozza, Geoffroy Couteau

IACR Cryptol. ePrint Arch., 2024

Fast Public-Key Silent OT and More from Constrained Naor-Reingold.

Dung Bui, Geoffroy Couteau, Pierre Meyer, Alain Passelègue, Mahshid Riahinia

IACR Cryptol. ePrint Arch., 2024

Structured-Seed Local Pseudorandom Generators and their Applications.

Dung Bui, Geoffroy Couteau, Nikolas Melissaris

IACR Cryptol. ePrint Arch., 2024

Short Signatures from Regular Syndrome Decoding, Revisited.

Dung Bui, Eliana Carozza, Geoffroy Couteau, Dahmun Goudarzi, Antoine Joux

IACR Cryptol. ePrint Arch., 2024

Downlink (T)FHE ciphertexts compression.

Antonina Bondarchuk, Olive Chakraborty, Geoffroy Couteau, Renaud Sirdey

IACR Cryptol. ePrint Arch., 2024

FOLEAGE: 픽₄OLE-Based Multi-Party Computation for Boolean Circuits.

Maxime Bombar, Dung Bui, Geoffroy Couteau, Alain Couvreur, Clément Ducros, Sacha Servan-Schreiber

IACR Cryptol. ePrint Arch., 2024

Fine-Grained Non-Interactive Key Exchange, Revisited.

Balthazar Bauer, Geoffroy Couteau, Elahe Sadeghi

IACR Cryptol. ePrint Arch., 2024

On Bounded Storage Key Agreement and One-Way Functions.

Chris Brzuska, Geoffroy Couteau, Christoph Egger, Willy Quach

Proceedings of the Theory of Cryptography - 22nd International Conference, 2024

Instantiating the Hash-Then-Evaluate Paradigm: Strengthening PRFs, PCFs, and OPRFs.

Chris Brzuska, Geoffroy Couteau, Christoph Egger, Pihla Karanko, Pierre Meyer

Proceedings of the Security and Cryptography for Networks - 14th International Conference, 2024

10-Party Sublinear Secure Computation from Standard Assumptions.

Geoffroy Couteau, Naman Kumar

Proceedings of the Advances in Cryptology - CRYPTO 2024, 2024

2023

Non-Interactive Secure Computation of Inner-Product from LPN and LWE.

Geoffroy Couteau, Maryam Zarezadeh

IACR Cryptol. ePrint Arch., 2023

Random Sources in Private Computation.

Geoffroy Couteau, Adi Rosén

IACR Cryptol. ePrint Arch., 2023

Constrained Pseudorandom Functions from Homomorphic Secret Sharing.

Geoffroy Couteau, Pierre Meyer, Alain Passelègue, Mahshid Riahinia

IACR Cryptol. ePrint Arch., 2023

A Note on Non-Interactive Zero-Knowledge from CDH.

Geoffroy Couteau, Abhishek Jain, Zhengzhong Jin, Willy Quach

IACR Cryptol. ePrint Arch., 2023

Pseudorandom Correlation Functions from Variable-Density LPN, Revisited.

Geoffroy Couteau, Clément Ducros

IACR Cryptol. ePrint Arch., 2023

Short Signatures from Regular Syndrome Decoding in the Head.

Eliana Carozza, Geoffroy Couteau, Antoine Joux

IACR Cryptol. ePrint Arch., 2023

An Efficient ZK Compiler from SIMD Circuits to General Circuits.

Dung Bui, Haotian Chu, Geoffroy Couteau, Xiao Wang, Chenkai Weng, Kang Yang, Yu Yu

IACR Cryptol. ePrint Arch., 2023

On Derandomizing Yao's Weak-to-Strong OWF Construction.

Chris Brzuska, Geoffroy Couteau, Pihla Karanko, Felix Rohrbach

IACR Cryptol. ePrint Arch., 2023

New Random Oracle Instantiations from Extremely Lossy Functions.

Chris Brzuska, Geoffroy Couteau, Christoph Egger, Pihla Karanko, Pierre Meyer

IACR Cryptol. ePrint Arch., 2023

Sublinear-Communication Secure Multiparty Computation does not require FHE.

Elette Boyle, Geoffroy Couteau, Pierre Meyer

IACR Cryptol. ePrint Arch., 2023

Sublinear Secure Computation from New Assumptions.

Elette Boyle, Geoffroy Couteau, Pierre Meyer

IACR Cryptol. ePrint Arch., 2023

Oblivious Transfer with Constant Computational Overhead.

Elette Boyle, Geoffroy Couteau, Niv Gilboa, Yuval Ishai, Lisa Kohl, Nicolas Resch, Peter Scholl

IACR Cryptol. ePrint Arch., 2023

Correlated Pseudorandomness from the Hardness of Quasi-Abelian Decoding.

Maxime Bombar, Geoffroy Couteau, Alain Couvreur, Clément Ducros

IACR Cryptol. ePrint Arch., 2023

Fine-Grained Non-Interactive Key-Exchange: Constructions and Lower Bounds.

Abtin Afshar, Geoffroy Couteau, Mohammad Mahmoody, Elahe Sadeghi

IACR Cryptol. ePrint Arch., 2023

Improved Private Set Intersection for Sets with Small Entries.

Dung Bui, Geoffroy Couteau

Proceedings of the Public-Key Cryptography - PKC 2023, 2023

2022

Sharp: Short Relaxed Range Proofs.

Geoffroy Couteau, Dahmun Goudarzi, Michael Klooß, Michael Reichle

IACR Cryptol. ePrint Arch., 2022

Private Set Intersection from Pseudorandom Correlation Generators.

Dung Bui, Geoffroy Couteau

IACR Cryptol. ePrint Arch., 2022

Efficient Pseudorandom Correlation Generators from Ring-LPN.

Elette Boyle, Geoffroy Couteau, Niv Gilboa, Yuval Ishai, Lisa Kohl, Peter Scholl

IACR Cryptol. ePrint Arch., 2022

Correlated Pseudorandomness from Expand-Accumulate Codes.

Elette Boyle, Geoffroy Couteau, Niv Gilboa, Yuval Ishai, Lisa Kohl, Nicolas Resch, Peter Scholl

IACR Cryptol. ePrint Arch., 2022

On Building Fine-Grained One-Way Functions from Strong Average-Case Hardness.

Chris Brzuska, Geoffroy Couteau

Proceedings of the Advances in Cryptology - EUROCRYPT 2022 - 41st Annual International Conference on the Theory and Applications of Cryptographic Techniques, Trondheim, Norway, May 30, 2022

2021

Silver: Silent VOLE and Oblivious Transfer from Hardness of Decoding Structured LDPC Codes.

Geoffroy Couteau, Peter Rindal, Srinivasan Raghuraman

IACR Cryptol. ePrint Arch., 2021

Breaking the Circuit-Size Barrier for Secure Computation under Quasi-Polynomial LPN.

Geoffroy Couteau, Pierre Meyer

IACR Cryptol. ePrint Arch., 2021

Efficient NIZKs for Algebraic Sets.

Geoffroy Couteau, Helger Lipmaa, Roberto Parisella, Arne Tobias Ødegaard

IACR Cryptol. ePrint Arch., 2021

Statistical ZAPs from Group-Based Assumptions.

Geoffroy Couteau, Shuichi Katsumata, Elahe Sadeghi, Bogdan Ursu

IACR Cryptol. ePrint Arch., 2021

Efficient Range Proofs with Transparent Setup from Bounded Integer Commitments.

Geoffroy Couteau, Michael Klooß, Huang Lin, Michael Reichle

IACR Cryptol. ePrint Arch., 2021

Black-Box Uselessness: Composing Separations in Cryptography.

Geoffroy Couteau, Pooya Farshim, Mohammad Mahmoody

IACR Cryptol. ePrint Arch., 2021

Anonymous Whistleblowing over Authenticated Channels.

Thomas Agrikola, Geoffroy Couteau, Sven Maier

IACR Cryptol. ePrint Arch., 2021

Low-Complexity Weak Pseudorandom Functions in $\mathtt {AC}0[\mathtt {MOD}2]$.

Elette Boyle, Geoffroy Couteau, Niv Gilboa, Yuval Ishai, Lisa Kohl, Peter Scholl

Proceedings of the Advances in Cryptology - CRYPTO 2021, 2021

2020

Non-Interactive Zero-Knowledge in Pairing-Free Groups from Weaker Assumptions.

Geoffroy Couteau, Shuichi Katsumata, Bogdan Ursu

IACR Cryptol. ePrint Arch., 2020

Shorter Non-Interactive Zero-Knowledge Arguments and ZAPs for Algebraic Languages.

Geoffroy Couteau, Dominik Hartmann

IACR Cryptol. ePrint Arch., 2020

Towards Fine-Grained One-Way Functions from Strong Average-Case Hardness.

Chris Brzuska, Geoffroy Couteau

IACR Cryptol. ePrint Arch., 2020

Correlated Pseudorandom Functions from Variable-Density LPN.

Elette Boyle, Geoffroy Couteau, Niv Gilboa, Yuval Ishai, Lisa Kohl, Peter Scholl

IACR Cryptol. ePrint Arch., 2020

On Pseudorandom Encodings.

Thomas Agrikola, Geoffroy Couteau, Yuval Ishai, Stanislaw Jarecki, Amit Sahai

IACR Cryptol. ePrint Arch., 2020

2019

Partially-Fair Computation from Timed-Release Encryption and Oblivious Transfer.

Geoffroy Couteau, Bill Roscoe, Peter Y. A. Ryan

IACR Cryptol. ePrint Arch., 2019

Non-Interactive Keyed-Verification Anonymous Credentials.

Geoffroy Couteau, Michael Reichle

IACR Cryptol. ePrint Arch., 2019

Designated-verifier pseudorandom generators, and their applications.

Geoffroy Couteau, Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2019

Efficient Pseudorandom Correlation Generators: Silent OT Extension and More.

Elette Boyle, Geoffroy Couteau, Niv Gilboa, Yuval Ishai, Lisa Kohl, Peter Scholl

IACR Cryptol. ePrint Arch., 2019

Efficient Two-Round OT Extension and Silent Non-Interactive Secure Computation.

Elette Boyle, Geoffroy Couteau, Niv Gilboa, Yuval Ishai, Lisa Kohl, Peter Rindal, Peter Scholl

IACR Cryptol. ePrint Arch., 2019

Compressing Vector OLE.

Elette Boyle, Geoffroy Couteau, Niv Gilboa, Yuval Ishai

IACR Cryptol. ePrint Arch., 2019

2018

On the Concrete Security of Goldreich's Pseudorandom Generator.

Geoffroy Couteau, Aurélien Dupin, Pierrick Méaux, Mélissa Rossi, Yann Rotella

IACR Cryptol. ePrint Arch., 2018

A Note on the Communication Complexity of Multiparty Computation in the Correlated Randomness Model.

Geoffroy Couteau

IACR Cryptol. ePrint Arch., 2018

Homomorphic Secret Sharing: Optimizations and Applications.

Elette Boyle, Geoffroy Couteau, Niv Gilboa, Yuval Ishai, Michele Orrù

IACR Cryptol. ePrint Arch., 2018

The Usefulness of Sparsifiable Inputs: How to Avoid Subexponential iO.

Thomas Agrikola, Geoffroy Couteau, Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2018

New Protocols for Secure Equality Test and Comparison.

Geoffroy Couteau

Proceedings of the Applied Cryptography and Network Security, 2018

2017

Zero-Knowledge Proofs for Secure Computation. (Preuves à divulgation nulle pour le calcul sécurisé).

Geoffroy Couteau

PhD thesis, 2017

Efficient Designated-Verifier Non-Interactive Zero-Knowledge Proofs of Knowledge.

Pyrros Chaidos, Geoffroy Couteau

IACR Cryptol. ePrint Arch., 2017

2016

Removing the Strong RSA Assumption from Arguments over the Integers.

Geoffroy Couteau, Thomas Peters, David Pointcheval

IACR Cryptol. ePrint Arch., 2016

Revisiting Covert Multiparty Computation.

Geoffroy Couteau

IACR Cryptol. ePrint Arch., 2016

Efficient Secure Comparison Protocols.

Geoffroy Couteau

IACR Cryptol. ePrint Arch., 2016

2015

Secure Distributed Computation on Private Inputs.

Geoffroy Couteau, Thomas Peters, David Pointcheval

IACR Cryptol. ePrint Arch., 2015

Encryption Switching Protocols.

Geoffroy Couteau, Thomas Peters, David Pointcheval

IACR Cryptol. ePrint Arch., 2015

Implicit Zero-Knowledge Arguments and Applications to the Malicious Setting.

Fabrice Benhamouda, Geoffroy Couteau, David Pointcheval, Hoeteck Wee

IACR Cryptol. ePrint Arch., 2015