Christophe Petit

ORCID

Publication Activity (10 Years)

Years Active: 2007-2023
Publications (10 Years): 62

Top Venues

IACR Cryptol. ePrint Arch.

ASIACRYPT (1)

CoRR

ASIACRYPT (4)

Catholic University of Louvain, Louvain-la-Neuve, Belgium (PHD)

Education History

Catholic University of Louvain, Louvain-la-Neuve, Belgium

PHD

Publications

Tako Boris Fouotsa, Tomoki Moriya, Christophe Petit
M-SIDH and MD-SIDH: countering SIDH attacks by masking information. IACR Cryptol. ePrint Arch. 2023 (2023)
Péter Kutas, Christophe Petit
Torsion point attacks on "SIDH-like" cryptosystems. IACR Cryptol. ePrint Arch. 2022 (2022)
Elisa Gorla, Daniela Mueller, Christophe Petit
Stronger bounds on the cost of computing Gröbner bases for HFE systems. J. Symb. Comput. 109 (2022)
Jeremy Booher, Ross Bowden, Javad Doliskani, Tako Boris Fouotsa, Steven D. Galbraith, Sabrina Kunzweiler, Simon-Philipp Merz, Christophe Petit, Benjamin Smith, Katherine E. Stange, Yan Bo Ti, Christelle Vincent, José Felipe Voloch, Charlotte Weitkämper, Lukas Zobernig
Failing to hash into supersingular isogeny graphs. IACR Cryptol. ePrint Arch. 2022 (2022)
Tako Boris Fouotsa, Christophe Petit
A New Adaptive Attack on SIDH. CT-RSA (2022)
Vadym Kliuchnikov, Kristin E. Lauter, Romy Minko, Christophe Petit, Adam Paetznick
Shorter quantum circuits. IACR Cryptol. ePrint Arch. 2022 (2022)
Jeremy Booher, Ross Bowden, Javad Doliskani, Tako Boris Fouotsa, Steven D. Galbraith, Sabrina Kunzweiler, Simon-Philipp Merz, Christophe Petit, Benjamin Smith, Katherine E. Stange, Yan Bo Ti, Christelle Vincent, José Felipe Voloch, Charlotte Weitkämper, Lukas Zobernig
Failing to hash into supersingular isogeny graphs. CoRR (2022)
Péter Kutas, Simon-Philipp Merz, Christophe Petit, Charlotte Weitkämper
One-Way Functions and Malleability Oracles: Hidden Shift Attacks on Isogeny-Based Protocols. EUROCRYPT (1) (2021)
Tako Boris Fouotsa, Christophe Petit
InSIDH: a Simplification of SiGamal. IACR Cryptol. ePrint Arch. 2021 (2021)
Péter Kutas, Simon-Philipp Merz, Christophe Petit, Charlotte Weitkämper
One-way functions and malleability oracles: Hidden shift attacks on isogeny-based protocols. IACR Cryptol. ePrint Arch. 2021 (2021)
Tako Boris Fouotsa, Christophe Petit
SHealS and HealS: Isogeny-Based PKEs from a Key Validation Method for SIDH. ASIACRYPT (4) (2021)
Tako Boris Fouotsa, Christophe Petit
SimS: A Simplification of SiGamal. PQCrypto (2021)
Andrea Basso, Péter Kutas, Simon-Philipp Merz, Christophe Petit, Antonio Sanso
Cryptanalysis of an Oblivious PRF from Supersingular Isogenies. ASIACRYPT (1) (2021)
Luca De Feo, Cyprien Delpech de Saint Guilhem, Tako Boris Fouotsa, Péter Kutas, Antonin Leroux, Christophe Petit, Javier Silva, Benjamin Wesolowski
Séta: Supersingular Encryption from Torsion Attacks. ASIACRYPT (4) (2021)
Marie Euler, Christophe Petit
New results on quasi-subfield polynomials. Finite Fields Their Appl. 75 (2021)
Tako Boris Fouotsa, Christophe Petit
SHealS and HealS: isogeny-based PKEs from akey validation method for SIDH. IACR Cryptol. ePrint Arch. 2021 (2021)
Andrea Basso, Péter Kutas, Simon-Philipp Merz, Christophe Petit, Antonio Sanso
Cryptanalysis of an oblivious PRF from supersingular isogenies. IACR Cryptol. ePrint Arch. 2021 (2021)
Tako Boris Fouotsa, Christophe Petit
A New Adaptive Attack on SIDH. IACR Cryptol. ePrint Arch. 2021 (2021)
Victoria de Quehen, Péter Kutas, Chris Leonardi, Chloe Martindale, Lorenz Panny, Christophe Petit, Katherine E. Stange
Improved Torsion-Point Attacks on SIDH Variants. CRYPTO (3) (2021)
Steven D. Galbraith, Christophe Petit, Javier Silva
Identification Protocols and Signature Schemes Based on Supersingular Isogeny Problems. J. Cryptol. 33 (1) (2020)
Andrea Basso, Péter Kutas, Simon-Philipp Merz, Christophe Petit, Charlotte Weitkämper
On Adaptive Attacks Against Jao-Urbanik's Isogeny-Based Protocol. AFRICACRYPT (2020)
Péter Kutas, Chloe Martindale, Lorenz Panny, Christophe Petit, Katherine E. Stange
Weak instances of SIDH variants under improved torsion-point attacks. CoRR (2020)
Elisa Gorla, Daniela Müller, Christophe Petit
Stronger bounds on the cost of computing Groebner bases for HFE systems. CoRR (2020)
Ming-Deh A. Huang, Michiel Kosters, Christophe Petit, Sze Ling Yeo, Yang Yun
Quasi-subfield Polynomials and the Elliptic Curve Discrete Logarithm Problem. J. Math. Cryptol. 14 (1) (2020)
Andrea Basso, Péter Kutas, Simon-Philipp Merz, Christophe Petit, Charlotte Weitkämper
On Adaptive Attacks against Jao-Urbanik's Isogeny-Based Protocol. IACR Cryptol. ePrint Arch. 2020 (2020)
Steven D. Galbraith, Robert Granger, Simon-Philipp Merz, Christophe Petit
On Index Calculus Algorithms for Subfield Curves. IACR Cryptol. ePrint Arch. 2020 (2020)
Luca De Feo, David Kohel, Antonin Leroux, Christophe Petit, Benjamin Wesolowski
SQISign: compact post-quantum signatures from quaternions and isogenies. IACR Cryptol. ePrint Arch. 2020 (2020)
Luca De Feo, David Kohel, Antonin Leroux, Christophe Petit, Benjamin Wesolowski
SQISign: Compact Post-quantum Signatures from Quaternions and Isogenies. ASIACRYPT (1) (2020)
Péter Kutas, Christophe Petit, Javier Silva
Trapdoor DDH Groups from Pairings and Isogenies. SAC (2020)
Péter Kutas, Chloe Martindale, Lorenz Panny, Christophe Petit, Katherine E. Stange
Weak instances of SIDH variants under improved torsion-point attacks. IACR Cryptol. ePrint Arch. 2020 (2020)
Steven D. Galbraith, Robert Granger, Simon-Philipp Merz, Christophe Petit
On Index Calculus Algorithms for Subfield Curves. SAC (2020)
Cyprien Delpech de Saint Guilhem, Emmanuela Orsini, Christophe Petit, Nigel P. Smart
Semi-commutative Masking: A Framework for Isogeny-Based Protocols, with an Application to Fully Secure Two-Round Isogeny-Based OT. CANS (2020)
Elisa Gorla, Daniela Müller, Christophe Petit
Stronger bounds on the cost of computing Groebner bases for HFE systems. IACR Cryptol. ePrint Arch. 2020 (2020)
Simon-Philipp Merz, Romy Minko, Christophe Petit
Another Look at Some Isogeny Hardness Assumptions. CT-RSA (2020)
Simon-Philipp Merz, Christophe Petit
Factoring Products of Braids via Garside Normal Form. Public Key Cryptography (2) (2019)
Marie Euler, Christophe Petit
Expanding the use of quasi-subfield polynomials. CoRR (2019)
Simon-Philipp Merz, Romy Minko, Christophe Petit
Another look at some isogeny hardness assumptions. IACR Cryptol. ePrint Arch. 2019 (2019)
Kristin E. Lauter, Christophe Petit
Supersingular isogeny graphs in cryptography. BCC (2019)
Luca De Feo, Simon Masson, Christophe Petit, Antonio Sanso
Verifiable Delay Functions from Supersingular Isogenies and Pairings. ASIACRYPT (1) (2019)
Péter Kutas, Christophe Petit, Javier Silva
Trapdoor DDH groups from pairings and isogenies. IACR Cryptol. ePrint Arch. 2019 (2019)
Luca De Feo, Simon Masson, Christophe Petit, Antonio Sanso
Verifiable Delay Functions from Supersingular Isogenies and Pairings. IACR Cryptol. ePrint Arch. 2019 (2019)
Cyprien Delpech de Saint Guilhem, Péter Kutas, Christophe Petit, Javier Silva
SÉTA: Supersingular Encryption from Torsion Attacks. IACR Cryptol. ePrint Arch. 2019 (2019)
Eduardo Carvalho Pinto, Christophe Petit
Better path-finding algorithms in LPS Ramanujan graphs. J. Math. Cryptol. 12 (4) (2018)
Cyprien Delpech de Saint Guilhem, Emmanuela Orsini, Christophe Petit, Nigel P. Smart
Secure Oblivious Transfer from Semi-Commutative Masking. IACR Cryptol. ePrint Arch. 2018 (2018)
Daniel Hart, DoHoon Kim, Giacomo Micheli, Guillermo Pascual-Perez, Christophe Petit, Yuxuan Quek
A Practical Cryptanalysis of WalnutDSA TM. Public Key Cryptography (1) (2018)
Simon-Philipp Merz, Christophe Petit
On the (non) obfuscating power of Garside Normal Forms. IACR Cryptol. ePrint Arch. 2018 (2018)
Kirsten Eisenträger, Sean Hallgren, Kristin E. Lauter, Travis Morrison, Christophe Petit
Supersingular isogeny graphs and endomorphism rings: reductions and solutions. IACR Cryptol. ePrint Arch. 2018 (2018)
Kirsten Eisenträger, Sean Hallgren, Kristin E. Lauter, Travis Morrison, Christophe Petit
Supersingular Isogeny Graphs and Endomorphism Rings: Reductions and Solutions. EUROCRYPT (3) (2018)
Hyungrok Jo, Christophe Petit, Tsuyoshi Takagi
Full Cryptanalysis of Hash Functions Based on Cubic Ramanujan Graphs. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2017)
Christophe Petit
Faster Algorithms for Isogeny Problems using Torsion Point Images. IACR Cryptol. ePrint Arch. 2017 (2017)
Steven D. Galbraith, Christophe Petit, Javier Silva
Identification Protocols and Signature Schemes Based on Supersingular Isogeny Problems. ASIACRYPT (1) (2017)
Daniel Hart, DoHoon Kim, Giacomo Micheli, Guillermo Pascual-Perez, Christophe Petit, Yuxuan Quek
A Practical Cryptanalysis of WalnutDSA. IACR Cryptol. ePrint Arch. 2017 (2017)
Christophe Petit, Kristin E. Lauter
Hard and Easy Problems for Supersingular Isogeny Graphs. IACR Cryptol. ePrint Arch. 2017 (2017)
Christophe Petit
Faster Algorithms for Isogeny Problems Using Torsion Point Images. ASIACRYPT (2) (2017)
Christophe Petit, Jean-Jacques Quisquater
Cryptographic Hash Functions and Expander Graphs: The End of the Story? The New Codebreakers (2016)
Christophe Petit, Michiel Kosters, Ange Messeng
Algebraic Approaches for the Elliptic Curve Discrete Logarithm Problem over Prime Fields. Public Key Cryptography (2) (2016)
Steven D. Galbraith, Christophe Petit, Javier Silva
Signature Schemes Based On Supersingular Isogeny Problems. IACR Cryptol. ePrint Arch. 2016 (2016)
Steven D. Galbraith, Christophe Petit, Barak Shani, Yan Bo Ti
On the Security of Supersingular Isogeny Cryptosystems. IACR Cryptol. ePrint Arch. 2016 (2016)
James H. Davenport, Christophe Petit, Benjamin Pring
A Generalised Successive Resultants Algorithm. WAIFI (2016)
Jonathan Bootle, Andrea Cerulli, Pyrros Chaidos, Jens Groth, Christophe Petit
Efficient Zero-Knowledge Arguments for Arithmetic Circuits in the Discrete Log Setting. IACR Cryptol. ePrint Arch. 2016 (2016)
Jonathan Bootle, Andrea Cerulli, Pyrros Chaidos, Jens Groth, Christophe Petit
Efficient Zero-Knowledge Arguments for Arithmetic Circuits in the Discrete Log Setting. EUROCRYPT (2) (2016)
Steven D. Galbraith, Christophe Petit, Barak Shani, Yan Bo Ti
On the Security of Supersingular Isogeny Cryptosystems. ASIACRYPT (1) (2016)
Yun-Ju Huang, Christophe Petit, Naoyuki Shinohara, Tsuyoshi Takagi
On Generalized First Fall Degree Assumptions. IACR Cryptol. ePrint Arch. 2015 (2015)
Jonathan Bootle, Andrea Cerulli, Pyrros Chaidos, Essam Ghadafi, Jens Groth, Christophe Petit
Short Accountable Ring Signatures Based on DDH. IACR Cryptol. ePrint Arch. 2015 (2015)
Luca De Feo, Christophe Petit, Michaël Quisquater
Deterministic root finding in finite fields. ACM Commun. Comput. Algebra 49 (3) (2015)
Jonathan Bootle, Andrea Cerulli, Pyrros Chaidos, Essam Ghadafi, Jens Groth, Christophe Petit
Short Accountable Ring Signatures Based on DDH. ESORICS (1) (2015)
Timothy J. Hodges, Christophe Petit, Jacob Schlather
First fall degree and Weil descent. Finite Fields Their Appl. 30 (2014)
Christophe Petit
Towards factoring in $${SL(2, \, \mathbb{F}_{2^n})}$$. Des. Codes Cryptogr. 71 (3) (2014)
David Kohel, Kristin E. Lauter, Christophe Petit, Jean-Pierre Tignol
On the quaternion ℓ-isogeny path problem. IACR Cryptol. ePrint Arch. 2014 (2014)
Christophe Petit
) with the Successive Resultant Algorithm. IACR Cryptol. ePrint Arch. 2014 (2014)
Yun-Ju Huang, Christophe Petit, Naoyuki Shinohara, Tsuyoshi Takagi
Improvement of Faugère et al.'s Method to Solve ECDLP. IWSEC (2013)
Frédéric Dubois, Rostand Moutou-Pitti, Benoit Picoux, Christophe Petit
Finite element model for crack growth process in concrete bituminous. Adv. Eng. Softw. 44 (1) (2012)
Christophe Petit, Jean-Jacques Quisquater
On Polynomial Systems Arising from a Weil Descent. IACR Cryptol. ePrint Arch. 2012 (2012)
Jean-Charles Faugère, Ludovic Perret, Christophe Petit, Guénaël Renault
Improving the Complexity of Index Calculus Algorithms in Elliptic Curves over Binary Fields. EUROCRYPT (2012)
François-Xavier Standaert, Christophe Petit, Nicolas Veyrat-Charvillon
Masking with Randomized Look Up Tables - Towards Preventing Side-Channel Attacks of All Orders. Cryptography and Security (2012)
Christophe Petit, Jean-Jacques Quisquater
On Polynomial Systems Arising from a Weil Descent. ASIACRYPT (2012)
Christophe Petit, Jean-Jacques Quisquater
Rubik's for cryptographers. IACR Cryptol. ePrint Arch. 2011 (2011)
Jean-Charles Faugère, Ludovic Perret, Christophe Petit, Guénaël Renault
New Subexponential Algorithms for Factoring in SL(2, fq). IACR Cryptol. ePrint Arch. 2011 (2011)
Marcel Medwed, Christophe Petit, Francesco Regazzoni, Mathieu Renauld, François-Xavier Standaert
Fresh Re-keying II: Securing Multiple Parties against Side-Channel and Fault Attacks. CARDIS (2011)
Christophe Petit, Jean-Jacques Quisquater
Preimages for the Tillich-Zémor Hash Function. Selected Areas in Cryptography (2010)
Christophe Petit, Daniel Schlegel, Samuel Gomes
Specification of a Knowledge Crossroads for a Productive and Optimised Design. SITIS (2010)
Julien Cathalo, Christophe Petit
One-Time Trapdoor One-Way Functions. ISC (2010)
Christophe Petit, Jean-Jacques Quisquater, Jean-Pierre Tillich, Gilles Zémor
Hard and Easy Components of Collision Search in the Zémor-Tillich Hash Function: New Attacks and Reduced Variants with Equivalent Security. CT-RSA (2009)
Giacomo de Meulenaer, Christophe Petit, Jean-Jacques Quisquater
Hardware Implementations of a Variant of the Zémor-Tillich Hash Function: Can a Provably Secure Hash Function be very efficient ? IACR Cryptol. ePrint Arch. 2009 (2009)
Christophe Petit, Nicolas Veyrat-Charvillon, Jean-Jacques Quisquater
Efficiency and pseudo-randomness of a variant of Zémor-Tillich hash function. ICECS (2008)
Chong Hee Kim, Philippe Bulens, Christophe Petit, Jean-Jacques Quisquater
Fault Attacks on Public Key Elements: Application to DLP-Based Schemes. EuroPKI (2008)
Christophe Petit, Kristin E. Lauter, Jean-Jacques Quisquater
Full Cryptanalysis of LPS and Morgenstern Hash Functions. SCN (2008)
Christophe Petit, François-Xavier Standaert, Olivier Pereira, Tal Malkin, Moti Yung
A block cipher based pseudo random number generator secure against side-channel key recovery. AsiaCCS (2008)
Christophe Petit, Kristin E. Lauter, Jean-Jacques Quisquater
Full Cryptanalysis of LPS and Morgenstern Hash Function. IACR Cryptol. ePrint Arch. 2008 (2008)
Christophe Petit, François-Xavier Standaert, Olivier Pereira, Tal Malkin, Moti Yung
A Block Cipher based PRNG Secure Against Side-Channel Key Recovery. IACR Cryptol. ePrint Arch. 2007 (2007)

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Publication Activity (10 Years)

Top Topics

Top Venues

Christophe Petit