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  • A Complete Security Proof of SQIsign
    Marius A. Aardal, Andrea Basso, Luca De Feo, Sikhar Patranabis, Benjamin Wesolowski.
    preprint. 2025.
    pdf
  • SQIsign2D-West: The Fast, the Small, and the Safer
    Andrea Basso, Pierrick Dartois, Luca De Feo, Antonin Leroux, Luciano Maino, Giacomo Pope, Damien Robert, Benjamin Wesolowski.
    Advances in Cryptology – ASIACRYPT 2024, volume 15486 of LNCS, pages 339–370. Springer, 2024.
    doi:10.1007/978-981-96-0891-1_11
    pdf
  • Isogeny Problems with Level Structure
    Luca De Feo, Tako Boris Fouotsa, Lorenz Panny.
    Advances in Cryptology – EUROCRYPT 2024, volume 14657 of LNCS, pages 181–204. Springer, 2024.
    doi:10.1007/978-3-031-58754-2_7
    pdf
  • Proving knowledge of isogenies: a survey
    Ward Beullens, Luca De Feo, Steven Galbraith, Christophe Petit.
    Designs, Codes and Cryptography, 91(11):3425–3456. Springer Science and Business Media LLC, 2023.
    doi:10.1007/s10623-023-01243-3
    pdf
  • On the (in)security of ElGamal in OpenPGP
    Luca De Feo, Bertram Poettering, Alessandro Sorniotti.
    Communications of the ACM, 66(6):107–115. Association for Computing Machinery, 2023.
    doi:10.1145/3592835
    pdf video ibm.github.io
  • SCALLOP: scaling the CSI-FiSh
    Luca De Feo, Tako Boris Fouotsa, Péter Kutas, Antonin Leroux, Simon-Philipp Merz, Lorenz Panny, Benjamin Wesolowski.
    Public-Key Cryptography -- PKC 2023, volume 13940 of LNCS, pages 345–375. Springer, 2023.
    doi:10.1007/978-3-031-31368-4_13
    pdf
  • Supersingular Curves You Can Trust
    Andrea Basso, Giulio Codogni, Deirdre Connolly, Luca De Feo, Tako Boris Fouotsa, Guido Maria Lido, Travis Morrison, Lorenz Panny, Sikhar Patranabis, Benjamin Wesolowski.
    Advances in Cryptology – EUROCRYPT 2023, volume 14005 of LNCS, pages 405–437. Springer, 2023.
    doi:10.1007/978-3-031-30617-4_14
    pdf
  • New algorithms for the Deuring correspondence: Towards practical and secure SQISign signatures
    Luca De Feo, Antonin Leroux, Patrick Longa, Benjamin Wesolowski.
    Advances in Cryptology – EUROCRYPT 2023, volume 14008 of LNCS, pages 659–690. Springer, 2023.
    doi:10.1007/978-3-031-30589-4_23
    pdf
  • SIDH Proof of Knowledge
    Luca De Feo, Samuel Dobson, Steven Galbraith, Lukas Zobernig.
    ASIACRYPT 2022, volume 13792 of LNCS, pages 310–339. Springer, 2023.
    doi:10.1007/978-3-031-22966-4_11
    pdf
  • SIKE Channels, Zero-Value Side-Channel Attacks on SIKE
    Luca De Feo, Nadia El Mrabet, Aymeric Genêt, Novak Kaluđerović, Natacha Linard de Guertechin, Simon Pontié, Élise Tasso.
    IACR Transactions on Cryptographic Hardware and Embedded Systems, 2022(3):264–289. 2022.
    doi:10.46586/tches.v2022.i3.264-289
    pdf
  • On the security of OSIDH
    Pierrick Dartois, Luca De Feo.
    PKC 2022: Public-Key Cryptography, volume 13177 of LNCS, pages 52–81. Springer, 2022.
    doi:10.1007/978-3-030-97121-2_3
    pdf video
  • SÉTA: Supersingular Encryption from Torsion Attacks
    Luca De Feo, Cyprien Delpech de Saint Guilhem, Tako Boris Fouotsa, Péter Kutas, Antonin Leroux, Christophe Petit, Javier Silva, Benjamin Wesolowski, Benjamin Wesolowski.
    ASIACRYPT 2021, volume 13093 of LNCS, pages 249–278. Springer, 2021.
    doi:10.1007/978-3-030-92068-5_9
    pdf video
  • On the (in)security of ElGamal in OpenPGP
    Luca De Feo, Bertram Poettering, Alessandro Sorniotti.
    The 28th ACM SIGSAC Conference on Computer and Communications Security, CCS '21, pages 2066–2080. Association for Computing Machinery, 2021.
    doi:10.1145/3460120.3485257
    pdf video ibm.github.io
  • Resistance of Isogeny-Based Cryptographic Implementations to a Fault Attack
    Élise Tasso, Luca De Feo, Nadia El Mrabet, Simon Pontié.
    Constructive Side-Channel Analysis and Secure Design, volume 12910 of LNCS, pages 255–276. Springer, 2021.
    doi:10.1007/978-3-030-89915-8_12
    pdf
  • Delay Encryption
    Jeffrey Burdges, Luca De Feo.
    Advances in Cryptology – EUROCRYPT 2021, volume 12696 of LNCS, pages 302–326. Springer, 2021.
    doi:10.1007/978-3-030-77870-5_11
    pdf video
  • SQISign: Compact Post-quantum Signatures from Quaternions and Isogenies
    Luca De Feo, David Kohel, Antonin Leroux, Christophe Petit, Benjamin Wesolowski.
    ASIACRYPT 2020, Part I, volume 12491 of LNCS, pages 64–93. Springer, 2020.
    doi:10.1007/978-3-030-64837-4_3
    pdf video
  • Cryptographic Group Actions and Applications
    Navid Alamati, Luca De Feo, Hart Montgomery, Sikhar Patranabis.
    ASIACRYPT 2020, Part II, volume 12492 of LNCS, pages 411–439. Springer, 2020.
    doi:10.1007/978-3-030-64834-3_14
    pdf video
  • Faster computation of isogenies of large prime degree
    Daniel J. Bernstein, Luca De Feo, Antonin Leroux, Benjamin Smith.
    ANTS XIV, The Open Book Series, 4(1):39–55. Mathematical Sciences Publishers, 2020.
    doi:10.2140/obs.2020.4.39
    pdf video velusqrt.isogeny.org
  • Threshold schemes from isogeny assumptions
    Luca De Feo, Michael Meyer.
    PKC 2020, Part II, volume 12111 of LNCS, pages 187–212. Springer, 2020.
    doi:10.1007/978-3-030-45388-6_7
    pdf video
  • Verifiable Delay Functions from Supersingular Isogenies and Pairings
    Luca De Feo, Simon Masson, Christophe Petit, Antonio Sanso.
    ASIACRYPT 2019, Part I, volume 11921 of LNCS, pages 248–277. Springer, 2019.
    doi:10.1007/978-3-030-34578-5_10
    pdf
  • Stronger and Faster Side-Channel Protections for CSIDH
    Daniel Cervantes-Váquez, Mathilde Chenu, Jesús-Javier Chi-Dominguez, Luca De Feo, Francisco Rodríguez-Henriquez, Benjamin Smith.
    LATINCRYPT 2019, volume 11774 of LNCS, pages 173–193. Springer, 2019.
    doi:10.1007/978-3-030-30530-7_9
    pdf
  • Standard Lattices of Compatibly Embedded Finite Fields
    Luca De Feo, Hugues Randriam, Édouard Rousseau.
    ISSAC '19: Proceedings of the 2019 on International Symposium on Symbolic and Algebraic Computation, pages 122–130. Association for Computing Machinery, 2019.
    doi:10.1145/3326229.3326251
    pdf
  • SeaSign: Compact isogeny signatures from class group actions
    Luca De Feo, Steven Galbraith.
    EUROCRYPT 2019, Part III, volume 11478 of LNCS, pages 759–789. Springer, 2019.
    doi:10.1007/978-3-030-17659-4_26
    pdf
  • Exploring Isogeny Graphs
    Luca De Feo.
    Habilitation thesis220 pages. Université de Versailles, 2018.
    pdf video defeo.lu
  • Towards practical key exchange from ordinary isogeny graphs
    Luca De Feo, Jean Kieffer, Benjamin Smith.
    ASIACRYPT 2018, Part III, volume 11274 of LNCS, pages 365–394. Springer, 2018.
    doi:10.1007/978-3-030-03332-3_14
    pdf
  • Computing isomorphisms and embeddings of finite fields
    Ludovic Brieulle, Luca De Feo, Javad Doliskani, Jean-Pierre Flori, Éric Schost.
    Mathematics of Computation, 88:1391–1426. American Mathematical Society, 2018.
    doi:10.1090/mcom/3363
    pdf github.com
  • Mathematics of Isogeny Based Cryptography
    Luca De Feo.
    preprint, arXiv:1711.04062, 44 pages. Lecture notes. 2017.
    pdf defeo.lu defeo.lu
  • SIKE: Supersingular Isogeny Key Encapsulation
    R. Azarderakhsh, M. Campagna, C. Costello, B. Hess, A. Hutchinson, A. Jalali, D. Jao, K. Karabina, B. Koziel, B. LaMacchia, P. Longa, M. Naehrig, G. Pereira, J. Renes, V. Soukharev, D. Urbanik.
    Post-Quantum Cryptography Standardization, National Institute of Standards and Technology (NIST), 2020.
    pdf sike.org
  • Knowledge-Based Interoperability for Mathematical Software Systems
    Michael Kohlhase, Luca De Feo, Dennis Müller, Markus Pfeiffer, Florian Rabe, Nicolas M. Thiéry, Victor Vasilyev, Tom Wiesing.
    MACIS 2017: Mathematical Aspects of Computer and Information Sciences, volume 10693 of LNCS, pages 195–210. Springer, 2017.
    doi:10.1007/978-3-319-72453-9_14
    pdf
  • Explicit isogenies in quadratic time in any characteristic
    Luca De Feo, Cyril Hugounenq, Jérôme Plût, Éric Schost.
    ANTS XII, LMS Journal of Computation and Mathematics, 19(A):267–282. Oxford University Press, 2016.
    doi:10.1112/S146115701600036X
    pdf arxiv.org
  • Applications of the affine geometry of GF(qn) to root finding
    Luca De Feo, Christophe Petit, Michaël Quisquater.
    preprint. In preparation. 2015.
    github.com
  • Towards Quantum-Resistant Cryptosystems from Supersingular Elliptic Curve Isogenies
    Luca De Feo, David Jao, Jérôme Plût.
    Journal of Mathematical Cryptology, 8(3):209–247. De Gruyter, 2014.
    doi:10.1515/jmc-2012-0015
    pdf
  • Fast arithmetic for the algebraic closure of finite fields
    Luca De Feo, Éric Schost, Javad Doliskani.
    ISSAC '14: Proceedings of the 39th International Symposium on Symbolic and Algebraic Computation, pages 122–129. Association for Computing Machinery, 2014.
    doi:10.1145/2608628.2608672
    github.com
  • Fast algorithms for ℓ-adic towers over finite fields
    Luca De Feo, Éric Schost, Javad Doliskani.
    ISSAC '13: Proceedings of the 38th international symposium on International symposium on symbolic and algebraic computation, pages 165–172. Association for Computing Machinery, 2013.
    doi:10.1145/2465506.2465956
    pdf defeo.lu
  • Fast Arithmetics in Artin-Schreier Towers over Finite Fields
    Luca De Feo, Éric Schost.
    Journal of Symbolic Computation, 47(7):771–792. Elsevier, 2012.
    doi:10.1016/j.jsc.2011.12.008
    pdf arxiv.org
  • Fast algorithms for computing isogenies between ordinary elliptic curves in small characteristic
    Luca De Feo.
    Journal of Number Theory, 131(5):873–893. Elsevier, 2011.
    doi:10.1016/j.jnt.2010.07.003
    pdf www.arxiv.org
  • Towards Quantum-Resistant Cryptosystems from Supersingular Elliptic Curve Isogenies
    David Jao, Luca De Feo.
    Post-Quantum Cryptography - 4th International Workshop, PQCrypto 2011, volume 7071 of LNCS, pages 19–34. Springer, 2011.
    doi:10.1007/978-3-642-25405-5_2
    pdf
  • transalpyne: a Language for Automatic Transposition
    Luca De Feo, Éric Schost.
    SIGSAM Bulletin, 44(1/2):59–71. Association for Computing Machinery, 2010.
    doi:10.1145/1838599.1838624
    pdf
  • Fast Algorithms for Towers of Finite Fields and Isogenies
    Luca De Feo.
    PhD thesis191 pages. Advisors: François Morain, Éric Schost. École Polytechnique, 2010.
    pdf github.com hal.inria.fr
  • Fast Arithmetics in Artin-Schreier Towers over Finite Fields
    Luca De Feo, Éric Schost.
    ISSAC '09: Proceedings of the 2009 international symposium on Symbolic and algebraic computation, pages 127–134. Association for Computing Machinery, 2009.
    doi:10.1145/1576702.1576722