|
Cryptographic Accumulators: New Definitions, Enhanced Security, and Delegatable Proofs
Anaïs Barthoulot
,
Olivier Blazy
,
Sébastien Canard
AFRICACRYPT 2024 - 15th International Conference on Cryptology, Jul 2024, Douala, Cameroon. In press
Conference papers
hal-04618343
v1
|
|
How fast do you heal? A taxonomy for post-compromise security in secure-channel establishment
Olivier Blazy
,
Ioana Boureanu
,
Pascal Lafourcade
,
Cristina Onete
,
Léo Robert
USENIX 2023 - The 32nd USENIX Security Symposium, Aug 2023, Anaheim, United States. pp.5917--5934
Conference papers
hal-03770735
v1
|
|
Efficient Implementation of a Post-Quantum Anonymous Credential Protocol
Olivier Blazy
,
Céline Chevalier
,
Guillaume Renaut
,
Thomas Ricosset
,
Éric Sageloli
et al.
ARES 2023: The 18th International Conference on Availability, Reliability and Security, Aug 2023, Benevento, Italy. pp.1-11, ⟨10.1145/3600160.3600188⟩
Conference papers
hal-04283083
v1
|
|
Dually Computable Cryptographic Accumulators and Their Application to Attribute Based Encryption
Anaïs Barthoulot
,
Olivier Blazy
,
Sébastien Canard
Conference papers
hal-04271645
v1
|
|
MARSHAL: Messaging with Asynchronous Ratchets and Signatures for faster HeALing
Olivier Blazy
,
Pierre-Alain Fouque
,
Thibaut Jacques
,
Pascal Lafourcade
,
Cristina Onete
et al.
Conference papers
hal-03510612
v1
|
|
Post-Quantum and UC-secure Oblivious Transfer from SPHF with Grey Zone
Slim Bettaieb
,
Loïc Bidoux
,
Olivier Blazy
,
Baptiste Cottier
,
David Pointcheval
15th International Symposium on Foundations & Practice of Security (FPS – 2022)., Dec 2022, Ottawa, Canada
Conference papers
hal-03772089
v2
|
|
Identity-Based Encryption in DDH Hard Groups
Olivier Blazy
,
Saqib Kakvi
Conference papers
hal-03815800
v1
|
|
(Augmented) Broadcast Encryption from Identity Based Encryption with Wildcard
Anaïs Barthoulot
,
Olivier Blazy
,
Sébastien Canard
CANS 2022 - 21st International Conference on Cryptology and Network Security, Nov 2022, Dubai, United Arab Emirates. pp.143-164, ⟨10.1007/978-3-031-20974-1_7⟩
Conference papers
hal-03856239
v1
|
|
Secure Decision Forest Evaluation
Slim Bettaieb
,
Loic Bidoux
,
Olivier Blazy
,
Baptiste Cottier
,
David Pointcheval
ARES 2021 - 16th International Conference on Availability, Reliability and Security, Aug 2021, Vienna, Austria. pp.1-12, ⟨10.1145/3465481.3465763⟩
Conference papers
hal-03321368
v1
|
|
Round-optimal Constant-size Blind Signatures
Olivier Blazy
,
Laura Brouilhet
,
Céline Chevalier
,
Neals Fournaise
SECRYPT 2020 - 17th International Conference on Security and Cryptography, Jul 2020, Lieusaint - Paris / Virtual, France. pp.213-224, ⟨10.5220/0009888702130224⟩
Conference papers
hal-03130894
v1
|
|
Skipping the q in Group Signatures
Olivier Blazy
,
Saqib A. Kakvi
Progress in Cryptology - INDOCRYPT 2020 - 21st International Conference on Cryptology in India, Virtual Conference, December 13-16, 2020, Proceedings, Dec 2020, Online, India. pp.553--575, ⟨10.1007/978-3-030-65277-7\_25⟩
Conference papers
hal-03133783
v1
|
|
CCA-Secure ABE using Tag and Pair Encoding
Olivier Blazy
,
Sayantan Mukherjee
Progress in Cryptology - INDOCRYPT 2020 - 21st International Conference on Cryptology in India, Virtual Conference, December 13-16, 2020, Proceedings, Dec 2020, Online, India. pp.691--714, ⟨10.1007/978-3-030-65277-7\_31⟩
Conference papers
hal-03133782
v1
|
|
Public-Key Generation with Verifiable Randomness
Olivier Blazy
,
Patrick Towa
,
Damien Vergnaud
Asiacrypt 2020 - 26th Annual International Conference on the Theory and Application of Cryptology and Information Security, Dec 2020, Daejeon / Virtual, South Korea. pp.97-127, ⟨10.1007/978-3-030-64837-4_4⟩
Conference papers
hal-02929843
v1
|
|
CROOT: Code-based Round-Optimal Oblivious Transfer
Nicolas Aragon
,
Olivier Blazy
,
Neals Fournaise
,
Philippe Gaborit
Proceedings of the 17th International Joint Conference on e-Business and Telecommunications, ICETE 2020 - Volume 2: SECRYPT, Lieusaint, Paris, France, July 8-10, 2020, Jul 2020, online, France. pp.76--85, ⟨10.5220/0009776700760085⟩
Conference papers
hal-03133784
v1
|
|
Post-Quantum UC-Secure Oblivious Transfer in the Standard Model with Adaptive Corruptions
Olivier Blazy
,
Celine Chevalier
,
Quoc Huy Vu
Proceedings of the 14th International Conference on Availability, Reliability and Security, ARES 2019, Canterbury, UK, August 26-29, 2019., 2019, Canterbury, United Kingdom. pp.28:1--28:6, ⟨10.1145/3339252.3339280⟩
Conference papers
hal-02307139
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⟩
Conference papers
hal-02307142
v1
|
|
Durandal: A Rank Metric Based Signature Scheme
Nicolas Aragon
,
Olivier Blazy
,
Philippe Gaborit
,
Adrien Hauteville
,
Gilles Zémor
Advances in Cryptology - EUROCRYPT 2019 - 38th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Darmstadt, Germany, May 19-23, 2019, Proceedings, Part III, 2019, Darmstadt, Germany. pp.728--758, ⟨10.1007/978-3-030-17659-4\_25⟩
Conference papers
hal-02307141
v1
|
|
Anonymous Identity Based Encryption with Traceable Identities
Olivier Blazy
,
Laura Brouilhet
,
Duong Hieu Phan
Proceedings of the 14th International Conference on Availability, Reliability and Security, ARES 2019, Canterbury, UK, August 26-29, 2019., 2019, Stockholm, Sweden. pp.13:1--13:10, ⟨10.1145/3339252.3339271⟩
Conference papers
hal-02307138
v1
|
|
Downgradable Identity-Based Encryption and Applications
Olivier Blazy
,
Paul Germouty
,
Duong Hieu Phan
Topics in Cryptology - CT-RSA 2019 - The Cryptographers' Track at the RSA Conference 2019, San Francisco, CA, USA, March 4-8, 2019, Proceedings, 2019, San Francisco, United States. pp.44--61, ⟨10.1007/978-3-030-12612-4\_3⟩
Conference papers
hal-02307140
v1
|
|
Spreading Alerts Quietly: New Insights from Theory and Practice
Olivier Blazy
,
Celine Chevalier
Proceedings of the 13th International Conference on Availability, Reliability and Security, ARES 2018, Hamburg, Germany, August 27-30, 2018, 2018, Hamburg, Germany. pp.30:1--30:6, ⟨10.1145/3230833.3230841⟩
Conference papers
hal-02307145
v1
|
|
Spreading Alerts Quietly
Olivier Blazy
,
Céline Chevalier
ARES the 13th International Conference, Aug 2018, Hamburg, Germany. pp.1-6
Conference papers
hal-02050170
v1
|
|
Non-Interactive Key Exchange from Identity-Based Encryption
Olivier Blazy
,
Céline Chevalier
Conference papers
hal-02050171
v1
|
|
Almost Optimal Oblivious Transfer from QA-NIZK
Céline Chevalier
,
Paul Germouty
,
Olivier Blazy
15th International Conference on Applied Cryptography and Network Security (ACNS 2017), Jul 2017, Kanazawa, Japan. pp.579-598, ⟨10.1007/978-3-319-61204-1_29⟩
Conference papers
hal-01610411
v1
|
|
Efficient ID-based Designated Verifier Signature
Olivier Blazy
,
Emmanuel Conchon
,
Paul Germouty
,
Amandine Jambert
Proceedings of the 12th International Conference on Availability, Reliability and Security, Reggio Calabria, Italy, August 29 - September 01, 2017, 2017, Unknown, Unknown Region. pp.44:1--44:8, ⟨10.1145/3098954.3103157⟩
Conference papers
hal-01610412
v1
|
|
An Efficient Protocol for UAS Security
Olivier Blazy
,
Emmanuel Conchon
,
Pierre-François Bonnefoi
,
Damien Sauveron
,
Raja Naeem Akram
et al.
Conference papers
hal-01610409
v1
|
|
A code-based blind signature
Olivier Blazy
,
Philippe Gaborit
,
Julien Schrek
,
Nicolas Sendrier
Conference papers
hal-01610410
v1
|
|
Adaptive Oblivious Transfer and Generalization
Olivier Blazy
,
Céline Chevalier
,
Paul Germouty
Advances in Cryptology – ASIACRYPT 2016 22nd International Conference on the Theory and Application of Cryptology and Information Security, 2016, Hanoi, Vietnam. ⟨10.1007/978-3-662-53890-6_8⟩
Conference papers
hal-01382953
v1
|
|
Mitigating Server Breaches in Password-Based Authentication: Secure and Efficient Solutions
Olivier Blazy
,
Céline Chevalier
,
Damien Vergnaud
Conference papers
hal-01292699
v1
|
|
A Practical Group Signature Scheme based on Rank Metric
Quentin Alamélou
,
Olivier Blazy
,
Stéphane Cauchie
,
Philippe Gaborit
Waifi 2016, 2016, Unknown, Unknown Region
Conference papers
hal-01382949
v1
|
|
Generic Construction of UC-Secure Oblivious Transfer
Olivier Blazy
,
Céline Chevalier
Applied Cryptography and Network Security - 13th International Conference, ACNS 2015, New York, NY, USA, June 2-5, 2015, Revised Selected Papers, 2015, New York, USA, United States. pp.65 - 86, ⟨10.1007/978-3-319-28166-7_4⟩
Conference papers
hal-01382954
v1
|
|
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⟩
Conference papers
hal-01382950
v1
|
|
A Code-Based Group Signature Scheme
Quentin Alamélou
,
Olivier Blazy
,
Stéphane Cauchie
,
Philippe Gaborit
The 9th International Workshop on Coding and Cryptography 2015 WCC2015, Apr 2015, Paris, France
Conference papers
hal-01276464
v1
|
|
Anonymizable Ring Signature Without Pairing
Olivier Blazy
,
Xavier Bultel
,
Pascal Lafourcade
9th International Symposium on Foundations & Practice of Security, 2016, Québec, Canada
Conference papers
hal-01382951
v1
|
|
Non-Interactive Plaintext (In-)Equality Proofs and Group Signatures with Verifiable Controllable Linkability
Olivier Blazy
,
David Derler
,
Daniel Slamanig
,
Raphael Spreitzer
Conference papers
hal-01292705
v1
|
|
Structure-Preserving Smooth Projective Hashing
Olivier Blazy
,
Céline Chevalier
22nd Annual International Conference on the Theory and Applications of Cryptology and Information Security (ASIACRYPT 2016), Feb 2016, Hanoi, Vietnam
Conference papers
hal-01382952
v1
|
|
Non-Interactive Zero-Knowledge Proofs of Non-Membership
Olivier Blazy
,
Céline Chevalier
,
Damien Vergnaud
Topics in Cryptology - CT-RSA 2015, The Cryptographer's Track at the RSA Conference 2015, Apr 2015, San Francisco, United States. pp.145-164, ⟨10.1007/978-3-319-16715-2_8⟩
Conference papers
hal-01214711
v1
|
|
Tightly-Secure Signatures from Chameleon Hash Functions
Olivier Blazy
,
Saqib A. Kakvi
,
Eike Kiltz
,
Jiaxin Pan
Public-Key Cryptography - PKC 2015 - 18th IACR International Conference on Practice and Theory in Public-Key Cryptography, Gaithersburg, MD, USA, March 30 - April 1, 2015, Proceedings, 2015, Washington DC, United States. pp.256--279, ⟨10.1007/978-3-662-46447-2\_12⟩
Conference papers
hal-02307149
v1
|
|
(Hierarchical) Identity-Based Encryption from Affine Message Authentication
Olivier Blazy
,
Eike Kiltz
,
Jiaxin Pan
Conference papers
hal-01239920
v1
|
|
Analysis and Improvement of Lindell's UC-Secure Commitment Schemes
Olivier Blazy
,
Céline Chevalier
,
David Pointcheval
,
Damien Vergnaud
ACNS 2013 - 11th International Conference Applied Cryptography and Network Security, Jun 2013, Banff, Canada. pp.534-551, ⟨10.1007/978-3-642-38980-1_34⟩
Conference papers
hal-00865612
v1
|
|
SPHF-Friendly Non-Interactive Commitments
Michel Abdalla
,
Fabrice Benhamouda
,
Olivier Blazy
,
Céline Chevalier
,
David Pointcheval
Conference papers
hal-00915542
v1
|
|
Efficient UC-Secure Authenticated Key-Exchange for Algebraic Languages
Fabrice Benhamouda
,
Olivier Blazy
,
Céline Chevalier
,
David Pointcheval
,
Damien Vergnaud
PKC 2013 - 16th International Conference on Practice and Theory in Public-Key Cryptography, Feb 2013, Nara, Japan. pp.272-291, ⟨10.1007/978-3-642-36362-7_18⟩
Conference papers
hal-00790633
v1
|
|
New Techniques for SPHFs and Efficient One-Round PAKE Protocols
Fabrice Benhamouda
,
Olivier Blazy
,
Céline Chevalier
,
David Pointcheval
,
Damien Vergnaud
Conference papers
istex
hal-00864345
v1
|
|
Round-Optimal Privacy-Preserving Protocols with Smooth Projective Hash Functions
Olivier Blazy
,
David Pointcheval
,
Damien Vergnaud
Conference papers
hal-00672939
v1
|
|
Compact Round-Optimal Partially-Blind Signatures
Olivier Blazy
,
David Pointcheval
,
Damien Vergnaud
SCN 2012 - 8th International Conference Security and Cryptography for Networks, Sep 2012, Amalfi, Italy. pp.95-112, ⟨10.1007/978-3-642-32928-9_6⟩
Conference papers
hal-00764863
v1
|
|
Signatures on Randomizable Ciphertexts
Olivier Blazy
,
Georg Fuchsbauer
,
David Pointcheval
,
Damien Vergnaud
PKC 2011 - Proceedings of the 2011 International Conference on Practice and Theory in Public Key Cryptography, Mar 2011, Taormina, Italy. pp.403-422, ⟨10.1007/978-3-642-19379-8_25⟩
Conference papers
istex
inria-00542643
v1
|
|
Achieving Optimal Anonymity in Transferable E-Cash with a Judge
Olivier Blazy
,
Sébastien Canard
,
Georg Fuchsbauer
,
Aline Gouget
,
Hervé Sibert
et al.
Conference papers
istex
hal-01110485
v1
|
|
Batch Groth-Sahai
Olivier Blazy
,
Georg Fuchsbauer
,
Malika Izabachène
,
Amandine Jambert
,
Hervé Sibert
et al.
Applied Cryptography and Network Security, 8th International Conference, ACNS 2010, Jun 2010, Beijing, China. pp.218-235, ⟨10.1007/978-3-642-13708-14⟩
Conference papers
inria-00577167
v1
|