Xavier Bultel

31
Documents

Publications

Publications

Cryptographic Commitments on Anonymizable Data

Xavier Bultel , Céline Chevalier , Charlène Jojon , Diandian Liu , Benjamin Nguyen
EuroS&P 2025 - 10th IEEE European Symposium on Security and Privacy, Jun 2025, Venice, Italy
Communication dans un congrès hal-05027266 v1
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Cryptographic cryptid protocols: How to play cryptid with cheaters

Xavier Bultel , Charlène Jojon , Pascal Lafourcade
CANS 2024 - 23rd International Conference on Cryptology And Network Security, Sep 2024, Cambridge, United Kingdom
Communication dans un congrès hal-04620483 v1
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Taming Delegations in Anonymous Signatures: k-Times Anonymity for Proxy and Sanitizable Signature

Xavier Bultel , Charles Olivier-Anclin
CANS 2024 - 23rd International Conference on Cryptology and Network Security, Sep 2024, Cambridge, United Kingdom
Communication dans un congrès hal-04644979 v1
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On the Anonymity of Linkable Ring Signatures

Xavier Bultel , Charles Olivier-Anclin
CANS 2024 - 23rd International Conference on Cryptology And Network Security, Sep 2024, Cambridge, United Kingdom. pp.212-235, ⟨10.1007/978-981-97-8013-6_10⟩
Communication dans un congrès hal-04726565 v1
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Physical Ring Signature

Xavier Bultel
12th International Conference on Fun with Algorithms (FUN 2024), Jun 2024, La Maddalena, Italy. ⟨10.4230/LIPIcs.FUN.2024.7⟩
Communication dans un congrès hal-04624521 v1
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Practical Construction for Secure Trick-Taking Games Even With Cards Set Aside

Rohann Bella , Xavier Bultel , Céline Chevalier , Pascal Lafourcade , Charles Olivier-Anclin
FC2023 - Twenty-Seventh Financial Cryptography and Data Security Conference, International Financial Cryptography Association, May 2023, Bol, Brač, Croatia
Communication dans un congrès hal-04008484 v1
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Zero-Knowledge Proof of Knowledge for Peg Solitaire

Xavier Bultel
11th International Conference on Fun with Algorithms (FUN 2022), May 2022, Favignana, Italy. ⟨10.4230/LIPIcs.FUN.2022.9⟩
Communication dans un congrès hal-03754563 v1
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Generic Plaintext Equality and Inequality Proofs

Olivier Blazy , Xavier Bultel , Pascal Lafourcade , Octavio Perez-Kempner
Financial Cryptography and Data Security Conference, 2021, Online, Unknown Region. pp.415--435, ⟨10.1007/978-3-662-64322-8\_20⟩
Communication dans un congrès hal-03478247 v1
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How to (Legally) Keep Secrets from Mobile Operators

Ghada Arfaoui , Olivier Blazy , Xavier Bultel , Pierre-Alain Fouque , Thibaut Jacques et al.
Computer Security - ESORICS 2021 - 26th European Symposium on Research in Computer Security, Darmstadt, Germany, October 4-8, 2021, Proceedings, Part I, 2021, Online, Unknown Region. pp.23--43, ⟨10.1007/978-3-030-88418-5_2⟩
Communication dans un congrès hal-03478246 v1
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Secure Trick-Taking Game Protocols How to Play Online Spades with Cheaters

Xavier Bultel , Pascal Lafourcade
Financial Cryptography and Data Security Conference, Feb 2019, Basse terre, Saint Kitts and Nevis
Communication dans un congrès hal-01959762 v1

SAID: Reshaping Signal into an Identity-Based Asynchronous Messaging Protocol with Authenticated Ratcheting

Olivier Blazy , Angèle Bossuat , Xavier Bultel , Pierre-Alain Fouque , Cristina Onete et al.
IEEE European Symposium on Security and Privacy, EuroS&P 2019, Stockholm, Sweden, June 17-19, 2019, 2019, Stockholm, Sweden. pp.294--309, ⟨10.1109/EuroSP.2019.00030⟩
Communication dans un congrès hal-02307142 v1
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Efficient Invisible and Unlinkable Sanitizable Signatures

Xavier Bultel , Pascal Lafourcade , Russell W F Lai , Giulio Malavolta , Dominique Schröder et al.
International Conference on Practice and Theory in Public Key Cryptography PKC'19, 2019, Beijin, China
Communication dans un congrès hal-01964514 v1
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A Cryptographer's Conspiracy Santa

Xavier Bultel , Jannik Dreier , Jean-Guillaume Dumas , Pascal Lafourcade
FUN 2018 - 9th International Conference on Fun with Algorithms, Jun 2018, La Maddalena, Italy. pp.13:1--13:13, ⟨10.4230/LIPIcs.FUN.2018.13⟩
Communication dans un congrès hal-01777997 v2
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Security Analysis and Psychological Study of Authentication Methods with PIN Codes

Xavier Bultel , Jannik Dreier , Matthieu Giraud , Marie Izaute , Timothée Kheyrkhah et al.
RCIS 2018 - IEEE 12th International Conference on Research Challenges in Information Science, May 2018, Nantes, France. pp.1--11, ⟨10.1109/RCIS.2018.8406648⟩
Communication dans un congrès hal-01777898 v1
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Physical Zero-Knowledge Proof for Makaro

Xavier Bultel , Jannik Dreier , Jean-Guillaume Dumas , Pascal Lafourcade , Daiki Miyahara et al.
SSS 2018 - 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems, Nov 2018, Tokyo, Japan. pp.111-125, ⟨10.1007/978-3-030-03232-6_8⟩
Communication dans un congrès hal-01898048 v1
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Secure Joins with MapReduce

Xavier Bultel , Radu Ciucanu , Matthieu Giraud , Pascal Lafourcade , Lihua Ye
FPS 2018 : The 11th International Symposium on Foundations & Practice of Security, Nov 2018, Montreal, Canada
Communication dans un congrès hal-01903098 v1
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Unlinkable and Strongly Accountable Sanitizable Signatures from Verifiable Ring Signatures

Xavier Bultel , Pascal Lafourcade
International Conference on Cryptology and Network Security, 2017, Hong Kong, China
Communication dans un congrès hal-01964491 v1
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Verifiable Private Polynomial Evaluation

Xavier Bultel , Manik Lal Das , Hardik Gajera , David Gérault , Matthieu Giraud et al.
11th International Conference on Provable Security (ProvSec 2017), Oct 2017, Xi'an, China. pp.487-506
Communication dans un congrès hal-01689825 v1
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Secure Matrix Multiplication with MapReduce

Xavier Bultel , Radu Ciucanu , Matthieu Giraud , Pascal Lafourcade
12th International Conference on Availability, Reliability and Security ARES, Aug 2017, Reggio Di Calabria, Italy
Communication dans un congrès hal-01927273 v1
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SPADE : un protocole délimiteur de distance anonyme et résistant à la fraude terroriste

Xavier Bultel , Sébastien Gambs , David Gérault , Pascal Lafourcade , Cristina Onete et al.
ALGOTEL 2017 - 19èmes Rencontres Francophones sur les Aspects Algorithmiques des Télécommunications, May 2017, Quiberon, France
Communication dans un congrès hal-01524410 v1
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A Terrorist-fraud Resistant and Extractor-free Anonymous Distance-bounding Protocol

Gildas Avoine , Xavier Bultel , Sébastien Gambs , David Gerault , Pascal Lafourcade et al.
Asia Conference on Information, Computer and Communications Security, Apr 2017, Abu Dhabi, United Arab Emirates. pp.800-814, ⟨10.1145/3052973.3053000⟩
Communication dans un congrès hal-01588560 v1
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Two Secure Anonymous Proxy-based Data Storages

Olivier Blazy , Xavier Bultel , Pascal Lafourcade
13th International Joint Conference on e-Business and Telecommunications (ICETE 2016), 2016, Lisbon, Portugal. pp.251--258, ⟨10.5220/0005962402510258⟩
Communication dans un congrès hal-01382950 v1
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Physical Zero-Knowledge Proofs for Akari, Takuzu, Kakuro and KenKen

Xavier Bultel , Jannik Dreier , Jean-Guillaume Dumas , Pascal Lafourcade
8th International Conference on Fun with Algorithms, Jun 2016, La Maddalena, Italy. pp.8:1-8:20, ⟨10.4230/LIPIcs.FUN.2016.8⟩
Communication dans un congrès hal-01326059 v1
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A Prover-Anonymous and Terrorist-Fraud Resistant Distance-Bounding Protocol

Xavier Bultel , Sébastien Gambs , David Gérault , Pascal Lafourcade , Cristina Onete et al.
9th ACM Conference on Security & Privacy in Wireless and Mobile Networks (WiSec), Jul 2016, Darmstadt, Germany. pp.121-133, ⟨10.1145/2939918.2939919⟩
Communication dans un congrès hal-01510800 v1
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k-Times Full Traceable Ring Signature

Xavier Bultel , Pascal Lafourcade
11th International Conference on Availability, Reliability and Security (ARES 2016), Aug 2016, Salzburg, France. pp.39--48, ⟨10.1109/ARES.2016.37⟩
Communication dans un congrès hal-01691940 v2
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A Posteriori Openable Public Key Encryption

Xavier Bultel , Pascal Lafourcade
31st IFIP Information Security & Privacy Conference (IFIP SEC), May 2016, Ghent, Belgium. pp.17-31, ⟨10.1007/978-3-319-33630-5_2⟩
Communication dans un congrès hal-01369535 v1
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Anonymizable Ring Signature Without Pairing

Olivier Blazy , Xavier Bultel , Pascal Lafourcade
9th International Symposium on Foundations & Practice of Security, 2016, Québec, Canada
Communication dans un congrès hal-01382951 v1