Gaëtan Leurent

According to our database, Gaëtan Leurent authored at least 85 papers between 2005 and 2025.

Collaborative distances:

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

2025

Corrigendum to Fast AES-Based Universal Hash Functions and MACs.

Augustin Bariant, Jules Baudrin, Gaëtan Leurent, Clara Pernot, Léo Perrin, Thomas Peyrin

IACR Trans. Symmetric Cryptol., 2025

Note: Full-round distinguisher for Synergy.

Orr Dunkelman, Eran Lambooij, Gaëtan Leurent

IACR Cryptol. ePrint Arch., 2025

Cryptanalysis of Full SCARF.

Antonio Flórez-Gutiérrez, Eran Lambooij, Gaëtan Leurent, Håvard Raddum, Tyge Tiessen, Michiel Verbauwhede

Proceedings of the Advances in Cryptology - EUROCRYPT 2025, 2025

Transistor: a TFHE-Friendly Stream Cipher.

Jules Baudrin, Sonia Belaïd, Nicolas Bon, Christina Boura, Anne Canteaut, Gaëtan Leurent, Pascal Paillier, Léo Perrin, Matthieu Rivain, Yann Rotella, Samuel Tap

Proceedings of the Advances in Cryptology - CRYPTO 2025, 2025

2024

Fast AES-Based Universal Hash Functions and MACs Featuring LeMac and PetitMac.

Augustin Bariant, Jules Baudrin, Gaëtan Leurent, Clara Pernot, Léo Perrin, Thomas Peyrin

IACR Trans. Symmetric Cryptol., 2024

Improved Boomerang Attacks on 6-Round AES.

Augustin Bariant, Orr Dunkelman, Nathan Keller, Gaëtan Leurent, Victor Mollimard

IACR Cryptol. ePrint Arch., 2024

Partial Sums Meet FFT: Improved Attack on 6-Round AES.

Orr Dunkelman, Shibam Ghosh, Nathan Keller, Gaëtan Leurent, Avichai Marmor, Victor Mollimard

Proceedings of the Advances in Cryptology - EUROCRYPT 2024, 2024

Improving Generic Attacks Using Exceptional Functions.

Xavier Bonnetain, Rachelle Heim Boissier, Gaëtan Leurent, André Schrottenloher

Proceedings of the Advances in Cryptology - CRYPTO 2024, 2024

Cryptanalysis of Algebraic Verifiable Delay Functions.

Alex Biryukov, Ben Fisch, Gottfried Herold, Dmitry Khovratovich, Gaëtan Leurent, María Naya-Plasencia, Benjamin Wesolowski

Proceedings of the Advances in Cryptology - CRYPTO 2024, 2024

Symmetric Cryptanalysis Beyond Primitives.

Gaëtan Leurent

, 2024

2023

Design of a Linear Layer Optimised for Bitsliced 32-bit Implementation.

Gaëtan Leurent, Clara Pernot

IACR Cryptol. ePrint Arch., 2023

Truncated Boomerang Attacks and Application to AES-Based Ciphers.

Augustin Bariant, Gaëtan Leurent

Proceedings of the Advances in Cryptology - EUROCRYPT 2023, 2023

2022

Algebraic Attacks against Some Arithmetization-Oriented Primitives.

Augustin Bariant, Clémence Bouvier, Gaëtan Leurent, Léo Perrin

IACR Trans. Symmetric Cryptol., 2022

2021

Internal Symmetries and Linear Properties: Full-permutation Distinguishers and Improved Collisions on Gimli.

Antonio Flórez-Gutiérrez, Gaëtan Leurent, María Naya-Plasencia, Léo Perrin, André Schrottenloher, Ferdinand Sibleyras

J. Cryptol., 2021

Practical Key Recovery Attacks on FlexAEAD.

Orr Dunkelman, Maria Eichlseder, Daniel Kales, Nathan Keller, Gaëtan Leurent, Markus Schofnegger

IACR Cryptol. ePrint Arch., 2021

New Representations of the AES Key Schedule.

Gaëtan Leurent, Clara Pernot

Proceedings of the Advances in Cryptology - EUROCRYPT 2021, 2021

Cryptanalysis of the GPRS Encryption Algorithms GEA-1 and GEA-2.

Christof Beierle, Patrick Derbez, Gregor Leander, Gaëtan Leurent, Håvard Raddum, Yann Rotella, David Rupprecht, Lukas Stennes

Proceedings of the Advances in Cryptology - EUROCRYPT 2021, 2021

On the Cost of ASIC Hardware Crackers: A SHA-1 Case Study.

Anupam Chattopadhyay, Mustafa Khairallah, Gaëtan Leurent, Zakaria Najm, Thomas Peyrin, Vesselin Velichkov

Proceedings of the Topics in Cryptology - CT-RSA 2021, 2021

Clustering Effect in Simon and Simeck.

Gaëtan Leurent, Clara Pernot, André Schrottenloher

Proceedings of the Advances in Cryptology - ASIACRYPT 2021, 2021

Quantum Linearization Attacks.

Xavier Bonnetain, Gaëtan Leurent, María Naya-Plasencia, André Schrottenloher

Proceedings of the Advances in Cryptology - ASIACRYPT 2021, 2021

QCB: Efficient Quantum-Secure Authenticated Encryption.

Ritam Bhaumik, Xavier Bonnetain, André Chailloux, Gaëtan Leurent, María Naya-Plasencia, André Schrottenloher, Yannick Seurin

Proceedings of the Advances in Cryptology - ASIACRYPT 2021, 2021

2020

Preface to Volume 2020, Issue 1.

Gaëtan Leurent, Yu Sasaki

IACR Trans. Symmetric Cryptol., 2020

Preface to Volume 2020, Special Issue on Designs for the NIST Lightweight Standardisation Process.

Itai Dinur, Gaëtan Leurent

IACR Trans. Symmetric Cryptol., 2020

Saturnin: a suite of lightweight symmetric algorithms for post-quantum security.

Anne Canteaut, Sébastien Duval, Gaëtan Leurent, María Naya-Plasencia, Léo Perrin, Thomas Pornin, André Schrottenloher

IACR Trans. Symmetric Cryptol., 2020

Spook: Sponge-Based Leakage-Resistant Authenticated Encryption with a Masked Tweakable Block Cipher.

Davide Bellizia, Francesco Berti, Olivier Bronchain, Gaëtan Cassiers, Sébastien Duval, Chun Guo, Gregor Leander, Gaëtan Leurent, Itamar Levi, Charles Momin, Olivier Pereira, Thomas Peters, François-Xavier Standaert, Balazs Udvarhelyi, Friedrich Wiemer

IACR Trans. Symmetric Cryptol., 2020

Cryptanalysis of Forkciphers.

Augustin Bariant, Nicolas David, Gaëtan Leurent

IACR Trans. Symmetric Cryptol., 2020

SHA-1 is a Shambles: First Chosen-Prefix Collision on SHA-1 and Application to the PGP Web of Trust.

Gaëtan Leurent, Thomas Peyrin

Proceedings of the 29th USENIX Security Symposium, 2020

Universal Forgery Attack Against GCM-RUP.

Yanbin Li, Gaëtan Leurent, Meiqin Wang, Wei Wang, Guoyan Zhang, Yu Liu

Proceedings of the Topics in Cryptology - CT-RSA 2020, 2020

Out of Oddity - New Cryptanalytic Techniques Against Symmetric Primitives Optimized for Integrity Proof Systems.

Tim Beyne, Anne Canteaut, Itai Dinur, Maria Eichlseder, Gregor Leander, Gaëtan Leurent, María Naya-Plasencia, Léo Perrin, Yu Sasaki, Yosuke Todo, Friedrich Wiemer

Proceedings of the Advances in Cryptology - CRYPTO 2020, 2020

New Results on Gimli: Full-Permutation Distinguishers and Improved Collisions.

Antonio Flórez-Gutiérrez, Gaëtan Leurent, María Naya-Plasencia, Léo Perrin, André Schrottenloher, Ferdinand Sibleyras

Proceedings of the Advances in Cryptology - ASIACRYPT 2020, 2020

2019

Generic Attacks on Hash Combiners.

Zhenzhen Bao, Itai Dinur, Jian Guo, Gaëtan Leurent, Lei Wang

IACR Cryptol. ePrint Arch., 2019

From Collisions to Chosen-Prefix Collisions Application to Full SHA-1.

Gaëtan Leurent, Thomas Peyrin

Proceedings of the Advances in Cryptology - EUROCRYPT 2019, 2019

Low-Memory Attacks Against Two-Round Even-Mansour Using the 3-XOR Problem.

Gaëtan Leurent, Ferdinand Sibleyras

Proceedings of the Advances in Cryptology - CRYPTO 2019, 2019

Lightweight MACs from Universal Hash Functions.

Sébastien Duval, Gaëtan Leurent

Proceedings of the Smart Card Research and Advanced Applications, 2019

2018

MDS Matrices with Lightweight Circuits.

Sébastien Duval, Gaëtan Leurent

IACR Cryptol. ePrint Arch., 2018

The Missing Difference Problem, and Its Applications to Counter Mode Encryption.

Gaëtan Leurent, Ferdinand Sibleyras

Proceedings of the Advances in Cryptology - EUROCRYPT 2018 - 37th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Tel Aviv, Israel, April 29, 2018

Generic Attacks Against Beyond-Birthday-Bound MACs.

Gaëtan Leurent, Mridul Nandi, Ferdinand Sibleyras

Proceedings of the Advances in Cryptology - CRYPTO 2018, 2018

Cryptanalysis of MORUS.

Tomer Ashur, Maria Eichlseder, Martin M. Lauridsen, Gaëtan Leurent, Brice Minaud, Yann Rotella, Yu Sasaki, Benoît Viguier

Proceedings of the Advances in Cryptology - ASIACRYPT 2018, 2018

2016

Quantum Differential and Linear Cryptanalysis.

Marc Kaplan, Gaëtan Leurent, Anthony Leverrier, María Naya-Plasencia

IACR Trans. Symmetric Cryptol., 2016

Transcript Collision Attacks: Breaking Authentication in TLS, IKE and SSH.

Karthikeyan Bhargavan, Gaëtan Leurent

Proceedings of the 23rd Annual Network and Distributed System Security Symposium, 2016

Key Recovery Attack Against 2.5-Round \pi -Cipher.

Christina Boura, Avik Chakraborti, Gaëtan Leurent, Goutam Paul, Dhiman Saha, Hadi Soleimany, Valentin Suder

Proceedings of the Fast Software Encryption - 23rd International Conference, 2016

Improved Differential-Linear Cryptanalysis of 7-Round Chaskey with Partitioning.

Gaëtan Leurent

Proceedings of the Advances in Cryptology - EUROCRYPT 2016, 2016

Breaking Symmetric Cryptosystems Using Quantum Period Finding.

Marc Kaplan, Gaëtan Leurent, Anthony Leverrier, María Naya-Plasencia

Proceedings of the Advances in Cryptology - CRYPTO 2016, 2016

On the Practical (In-)Security of 64-bit Block Ciphers: Collision Attacks on HTTP over TLS and OpenVPN.

Karthikeyan Bhargavan, Gaëtan Leurent

Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security, 2016

2015

Differential and Linear Cryptanalysis of ARX with Partitioning - Application to FEAL and Chaskey.

Gaëtan Leurent

IACR Cryptol. ePrint Arch., 2015

Construction of Lightweight S-Boxes using Feistel and MISTY structures (Full Version).

Anne Canteaut, Sébastien Duval, Gaëtan Leurent

IACR Cryptol. ePrint Arch., 2015

Differential Forgery Attack Against LAC.

Gaëtan Leurent

Proceedings of the Selected Areas in Cryptography - SAC 2015, 2015

Construction of Lightweight S-Boxes Using Feistel and MISTY Structures.

Anne Canteaut, Sébastien Duval, Gaëtan Leurent

Proceedings of the Selected Areas in Cryptography - SAC 2015, 2015

Cryptanalysis of Feistel Networks with Secret Round Functions.

Alex Biryukov, Gaëtan Leurent, Léo Perrin

Proceedings of the Selected Areas in Cryptography - SAC 2015, 2015

The Sum Can Be Weaker Than Each Part.

Gaëtan Leurent, Lei Wang

Proceedings of the Advances in Cryptology - EUROCRYPT 2015, 2015

Collision Attacks Against CAESAR Candidates - Forgery and Key-Recovery Against AEZ and Marble.

Thomas Fuhr, Gaëtan Leurent, Valentin Suder

Proceedings of the Advances in Cryptology - ASIACRYPT 2015 - 21st International Conference on the Theory and Application of Cryptology and Information Security, Auckland, New Zealand, November 29, 2015

2014

The Usage of Counter Revisited: Second-Preimage Attack on New Russian Standardized Hash Function.

Jian Guo, Jérémy Jean, Gaëtan Leurent, Thomas Peyrin, Lei Wang

Proceedings of the Selected Areas in Cryptography - SAC 2014, 2014

LS-Designs: Bitslice Encryption for Efficient Masked Software Implementations.

Vincent Grosso, Gaëtan Leurent, François-Xavier Standaert, Kerem Varici

Proceedings of the Fast Software Encryption - 21st International Workshop, 2014

SPRING: Fast Pseudorandom Functions from Rounded Ring Products.

Abhishek Banerjee, Hai Brenner, Gaëtan Leurent, Chris Peikert, Alon Rosen

Proceedings of the Fast Software Encryption - 21st International Workshop, 2014

Hardware Implementation and Side-Channel Analysis of Lapin.

Lubos Gaspar, Gaëtan Leurent, François-Xavier Standaert

Proceedings of the Topics in Cryptology - CT-RSA 2014, 2014

Improved Generic Attacks against Hash-Based MACs and HAIFA.

Itai Dinur, Gaëtan Leurent

Proceedings of the Advances in Cryptology - CRYPTO 2014, 2014

FPGA Implementations of SPRING - And Their Countermeasures against Side-Channel Attacks.

Hai Brenner, Lubos Gaspar, Gaëtan Leurent, Alon Rosen, François-Xavier Standaert

Proceedings of the Cryptographic Hardware and Embedded Systems - CHES 2014, 2014

2013

Time-Memory Trade-Offs for Near-Collisions.

Gaëtan Leurent

Proceedings of the Fast Software Encryption - 20th International Workshop, 2013

Cryptanalysis of WIDEA.

Gaëtan Leurent

Proceedings of the Fast Software Encryption - 20th International Workshop, 2013

Construction of Differential Characteristics in ARX Designs Application to Skein.

Gaëtan Leurent

Proceedings of the Advances in Cryptology - CRYPTO 2013, 2013

New Generic Attacks against Hash-Based MACs.

Gaëtan Leurent, Thomas Peyrin, Lei Wang

Proceedings of the Advances in Cryptology - ASIACRYPT 2013, 2013

2012

Cryptanalysis of the "Kindle" Cipher.

Alex Biryukov, Gaëtan Leurent, Arnab Roy

Proceedings of the Selected Areas in Cryptography, 19th International Conference, 2012

Narrow-Bicliques: Cryptanalysis of Full IDEA.

Dmitry Khovratovich, Gaëtan Leurent, Christian Rechberger

Proceedings of the Advances in Cryptology - EUROCRYPT 2012, 2012

Boomerang Attacks on Hash Function Using Auxiliary Differentials.

Gaëtan Leurent, Arnab Roy

Proceedings of the Topics in Cryptology - CT-RSA 2012 - The Cryptographers' Track at the RSA Conference 2012, San Francisco, CA, USA, February 27, 2012

Analysis of Differential Attacks in ARX Constructions.

Gaëtan Leurent

Proceedings of the Advances in Cryptology - ASIACRYPT 2012, 2012

2011

New Insights on Impossible Differential Cryptanalysis.

Charles Bouillaguet, Orr Dunkelman, Pierre-Alain Fouque, Gaëtan Leurent

Proceedings of the Selected Areas in Cryptography - 18th International Workshop, 2011

Practical Near-Collisions on the Compression Function of BMW.

Gaëtan Leurent, Søren S. Thomsen

Proceedings of the Fast Software Encryption - 18th International Workshop, 2011

2010

Quantum Preimage and Collision Attacks on CubeHash.

Gaëtan Leurent

IACR Cryptol. ePrint Arch., 2010

Security Analysis of SIMD.

Charles Bouillaguet, Pierre-Alain Fouque, Gaëtan Leurent

Proceedings of the Selected Areas in Cryptography - 17th International Workshop, 2010

Attacks on Hash Functions Based on Generalized Feistel: Application to Reduced-Round <i>Lesamnta</i> and <i>SHAvite-3</i>₅₁₂.

Charles Bouillaguet, Orr Dunkelman, Gaëtan Leurent, Pierre-Alain Fouque

Proceedings of the Selected Areas in Cryptography - 17th International Workshop, 2010

Cryptanalysis of ESSENCE.

María Naya-Plasencia, Andrea Röck, Jean-Philippe Aumasson, Yann Laigle-Chapuy, Gaëtan Leurent, Willi Meier, Thomas Peyrin

Proceedings of the Fast Software Encryption, 17th International Workshop, 2010

Another Look at Complementation Properties.

Charles Bouillaguet, Orr Dunkelman, Gaëtan Leurent, Pierre-Alain Fouque

Proceedings of the Fast Software Encryption, 17th International Workshop, 2010

Practical Key Recovery Attack against Secret-IV Edon-.

Gaëtan Leurent

Proceedings of the Topics in Cryptology, 2010

Cryptanalysis of the 10-Round Hash and Full Compression Function of SHAvite-3-512.

Praveen Gauravaram, Gaëtan Leurent, Florian Mendel, María Naya-Plasencia, Thomas Peyrin, Christian Rechberger, Martin Schläffer

Proceedings of the Progress in Cryptology, 2010

2009

Practical Key Recovery Attack against Secret-prefix Edon-R.

Gaëtan Leurent

IACR Cryptol. ePrint Arch., 2009

Attacks on Hash Functions based on Generalized Feistel - Application to Reduced-Round Lesamnta and SHAvite-3₅₁₂.

Charles Bouillaguet, Orr Dunkelman, Gaëtan Leurent, Pierre-Alain Fouque

IACR Cryptol. ePrint Arch., 2009

How Risky Is the Random-Oracle Model?

Gaëtan Leurent, Phong Q. Nguyen

Proceedings of the Advances in Cryptology, 2009

Practical Electromagnetic Template Attack on HMAC.

Pierre-Alain Fouque, Gaëtan Leurent, Denis Réal, Frédéric Valette

Proceedings of the Cryptographic Hardware and Embedded Systems, 2009

2008

Practical key-recovery attack against APOP, an MD5-based challenge-response authentication.

Gaëtan Leurent

Int. J. Appl. Cryptogr., 2008

MD4 is Not One-Way.

Gaëtan Leurent

Proceedings of the Fast Software Encryption, 15th International Workshop, 2008

Cryptanalysis of a Hash Function Based on Quasi-cyclic Codes.

Pierre-Alain Fouque, Gaëtan Leurent

Proceedings of the Topics in Cryptology, 2008

2007

Automatic Search of Differential Path in MD4.

Pierre-Alain Fouque, Gaëtan Leurent, Phong Q. Nguyen

IACR Cryptol. ePrint Arch., 2007

Message Freedom in MD4 and MD5 Collisions: Application to APOP.

Gaëtan Leurent

Proceedings of the Fast Software Encryption, 14th International Workshop, 2007

Full Key-Recovery Attacks on HMAC/NMAC-MD4 and NMAC-MD5.

Pierre-Alain Fouque, Gaëtan Leurent, Phong Q. Nguyen

Proceedings of the Advances in Cryptology, 2007

2005

An Analysis of the XSL Algorithm.

Carlos Cid, Gaëtan Leurent

Proceedings of the Advances in Cryptology, 2005