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Olivier Blazy
78
Documents
Researcher identifiers
oblazy- IdRef : 165479736
-
0000-0001-6205-8249
Presentation
Professor at [Ecole Polytechnique](https://www.polytechnique.fr)
### Cryptography
- Protocol Proof
- Authenticated Key Exchange
- Oblivious Transfer
- Signatures
### Information Security
- End to End Encryption (Signal, ...)
- 5G Networks
- Privacy Preserving technologies
Publications
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Cryptographic Accumulators: New Definitions, Enhanced Security, and Delegatable ProofsAFRICACRYPT 2024 - 15th International Conference on Cryptology, Jul 2024, Douala, Cameroon. In press
Conference papers
hal-04618343v1
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How fast do you heal? A taxonomy for post-compromise security in secure-channel establishmentUSENIX 2023 - The 32nd USENIX Security Symposium, Aug 2023, Anaheim, United States. pp.5917--5934
Conference papers
hal-03770735v1
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Dually Computable Cryptographic Accumulators and Their Application to Attribute Based EncryptionCANS 2023 - Cryptology and Network Security, Oct 2023, Augusta, United States. pp.538-562, ⟨10.1007/978-981-99-7563-1_24⟩
Conference papers
hal-04271645v1
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Efficient Implementation of a Post-Quantum Anonymous Credential ProtocolARES 2023: The 18th International Conference on Availability, Reliability and Security, Aug 2023, Benevento, Italy. pp.1-11, ⟨10.1145/3600160.3600188⟩
Conference papers
hal-04283083v1
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MARSHAL: Messaging with Asynchronous Ratchets and Signatures for faster HeALingACM Symposium on Applied Computing, Apr 2022, Virtual, Czech Republic. pp.1-8, ⟨10.1145/3477314.3507044⟩
Conference papers
hal-03510612v1
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(Augmented) Broadcast Encryption from Identity Based Encryption with WildcardCANS 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-03856239v1
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Identity-Based Encryption in DDH Hard GroupsAFRICACRYPT 2022 - 13th International Conference on Cryptology in Africa, Jul 2022, Fes, Morocco. pp.81-102, ⟨10.1007/978-3-031-17433-9_4⟩
Conference papers
hal-03815800v1
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Post-Quantum and UC-secure Oblivious Transfer from SPHF with Grey Zone15th International Symposium on Foundations & Practice of Security (FPS – 2022)., Dec 2022, Ottawa, Canada
Conference papers
hal-03772089v2
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Secure Decision Forest EvaluationARES 2021 - 16th International Conference on Availability, Reliability and Security, Aug 2021, Vienna, Austria. pp.1-12, ⟨10.1145/3465481.3465763⟩
Conference papers
hal-03321368v1
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CROOT: Code-based Round-Optimal Oblivious TransferProceedings 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-03133784v1
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Public-Key Generation with Verifiable RandomnessAsiacrypt 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-02929843v1
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CCA-Secure ABE using Tag and Pair EncodingProgress 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-03133782v1
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Round-optimal Constant-size Blind SignaturesSECRYPT 2020 - 17th International Conference on Security and Cryptography, Jul 2020, Lieusaint - Paris / Virtual, France. pp.213-224, ⟨10.5220/0009888702130224⟩
Conference papers
hal-03130894v1
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Skipping the q in Group SignaturesProgress 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-03133783v1
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Post-Quantum UC-Secure Oblivious Transfer in the Standard Model with Adaptive CorruptionsProceedings 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-02307139v1
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Anonymous Identity Based Encryption with Traceable IdentitiesProceedings 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-02307138v1
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SAID: Reshaping Signal into an Identity-Based Asynchronous Messaging Protocol with Authenticated RatchetingIEEE 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-02307142v1
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Durandal: A Rank Metric Based Signature SchemeAdvances 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-02307141v1
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Downgradable Identity-Based Encryption and ApplicationsTopics 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-02307140v1
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Spreading Alerts Quietly: New Insights from Theory and PracticeProceedings 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-02307145v1
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Spreading Alerts QuietlyARES the 13th International Conference, Aug 2018, Hamburg, Germany. pp.1-6
Conference papers
hal-02050170v1
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Non-Interactive Key Exchange from Identity-Based EncryptionARES, Aug 2018, Hamburg, Germany. pp.1-10, ⟨10.1145/3230833.3230864⟩
Conference papers
hal-02050171v1
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A code-based blind signatureISIT 2017 - IEEE International Symposium on Information Theory, Jun 2017, Aachen, Germany. pp.2718--2722, ⟨10.1109/ISIT.2017.8007023⟩
Conference papers
hal-01610410v1
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Efficient ID-based Designated Verifier SignatureProceedings 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-01610412v1
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An Efficient Protocol for UAS SecurityIntegrated Communications, Navigation and Surveillance Conference (ICNS), 2017, Apr 2017, Herndon, VA, United States. ⟨10.1109/ICNSURV.2017.8011987⟩
Conference papers
hal-01610409v1
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Almost Optimal Oblivious Transfer from QA-NIZK15th 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-01610411v1
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Non-Interactive Plaintext (In-)Equality Proofs and Group Signatures with Verifiable Controllable LinkabilityCT-RSA 2016, Feb 2016, San Francisco, United States. pp.127-143, ⟨10.1007/978-3-319-29485-8_8⟩
Conference papers
hal-01292705v1
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Structure-Preserving Smooth Projective Hashing22nd Annual International Conference on the Theory and Applications of Cryptology and Information Security (ASIACRYPT 2016), Feb 2016, Hanoi, Vietnam
Conference papers
hal-01382952v1
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Adaptive Oblivious Transfer and GeneralizationAdvances 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-01382953v1
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Anonymizable Ring Signature Without Pairing9th International Symposium on Foundations & Practice of Security, 2016, Québec, Canada
Conference papers
hal-01382951v1
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A Practical Group Signature Scheme based on Rank MetricWaifi 2016, 2016, Unknown, Unknown Region
Conference papers
hal-01382949v1
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Two Secure Anonymous Proxy-based Data Storages13th International Joint Conference on e-Business and Telecommunications (ICETE 2016), 2016, Lisbon, Portugal. pp.251--258, ⟨10.5220/0005962402510258⟩
Conference papers
hal-01382950v1
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Mitigating Server Breaches in Password-Based Authentication: Secure and Efficient SolutionsCT-RSA 2016, Feb 2016, San Francisco, France. ⟨10.1007/978-3-319-29485-8_1⟩
Conference papers
hal-01292699v1
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Non-Interactive Zero-Knowledge Proofs of Non-MembershipTopics 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-01214711v1
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Tightly-Secure Signatures from Chameleon Hash FunctionsPublic-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-02307149v1
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A Code-Based Group Signature SchemeThe 9th International Workshop on Coding and Cryptography 2015 WCC2015, Apr 2015, Paris, France
Conference papers
hal-01276464v1
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Generic Construction of UC-Secure Oblivious TransferApplied 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-01382954v1
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(Hierarchical) Identity-Based Encryption from Affine Message AuthenticationAdvances in Cryptology - Proceedings of CRYPTO '14, 2014, Santa Barbara, California, United States. pp.408-426, ⟨10.1007/978-3-662-44371-2_23⟩
Conference papers
hal-01239920v1
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Efficient UC-Secure Authenticated Key-Exchange for Algebraic LanguagesPKC 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-00790633v1
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New Techniques for SPHFs and Efficient One-Round PAKE ProtocolsCRYPTO 2013 - 33rd Annual Cryptology Conference, Aug 2013, Santa Barbara, CA, United States. pp.449-475, ⟨10.1007/978-3-642-40041-4_25⟩
Conference papers
hal-00864345v1
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SPHF-Friendly Non-Interactive CommitmentsASIACRYPT 2013, Dec 2013, Bangalore, India. pp.214-234, ⟨10.1007/978-3-642-42033-7_12⟩
Conference papers
hal-00915542v1
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Analysis and Improvement of Lindell's UC-Secure Commitment SchemesACNS 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-00865612v1
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Round-Optimal Privacy-Preserving Protocols with Smooth Projective Hash FunctionsTCC 2012 - Ninth IACR Theory of Cryptography Conference, Mar 2012, Taormina, Italy. pp.94-112, ⟨10.1007/978-3-642-28914-9_6⟩
Conference papers
hal-00672939v1
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Compact Round-Optimal Partially-Blind SignaturesSCN 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-00764863v1
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Signatures on Randomizable CiphertextsPKC 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
inria-00542643v1
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Achieving Optimal Anonymity in Transferable E-Cash with a JudgeAFRICACRYPT 2011 - 4th International Conference on Cryptology in Africa, Jul 2011, Dakar, Senegal. pp.206-223, ⟨10.1007/978-3-642-21969-6_13⟩
Conference papers
hal-01110485v1
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Batch Groth-SahaiApplied 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-00577167v1
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Information Security Theory and PracticeSpringer International Publishing, LNCS-11469, 2019, Lecture Notes in Computer Science, 978-3-030-20073-2. ⟨10.1007/978-3-030-20074-9⟩
Books
hal-02294601v1
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A Correction to a Code-Based Blind Signature SchemeCode-Based Cryptography, 13150, Springer International Publishing, pp.84-94, 2022, Lecture Notes in Computer Science, ⟨10.1007/978-3-030-98365-9_5⟩
Book sections
hal-03815792v1
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A Rank Metric Code-Based Group Signature SchemeCode-Based Cryptography, 13150, Springer International Publishing, pp.1-21, 2022, Lecture Notes in Computer Science, ⟨10.1007/978-3-030-98365-9_1⟩
Book sections
hal-03815793v1
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Hash Proof Systems over Lattices RevisitedPublic-Key Cryptography - PKC 2018 - 21st IACR International Conference on Practice and Theory of Public-Key Cryptography, pp.644-674, 2018
Book sections
hal-02050168v1
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Traceable Signature with Stepping CapabilitiesDavid Naccache. Cryptography and Security: From Theory to Applications : Essays Dedicated to Jean-Jacques Quisquater on the Occasion of His 65th Birthday, 6805, Springer, pp.108-131, 2012, LNCS - Lecture Notes in Computer Science, 978-3-642-28367-3. ⟨10.1007/978-3-642-28368-0_10⟩
Book sections
hal-01110870v1
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BIKE: Bit Flipping Key Encapsulation2017
Other publications
hal-01671903v1
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BIG QUAKE BInary Goppa QUAsi–cyclic Key Encapsulation2017
Other publications
hal-01671866v2
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LOCKER - LOw rank parity ChecK codes EncRyption2017, http://nicolas-aragon.fr/locker/
Other publications
hal-01946962v1
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LAKE - Low rAnk parity check codes Key Exchange2017, http://nicolas-aragon.fr/lake
Other publications
hal-01946967v1
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Ouroboros-R2017, https://pqc-ouroborosr.org/
Other publications
hal-01946902v1
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Hamming Quasi-Cyclic (HQC)2017, https://pqc-hqc.org/
Other publications
hal-01946880v1
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Rank Quasi-Cyclic (RQC)2017, https://pqc-rqc.org/
Other publications
hal-01946894v1
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New Techniques for SPHFs and Efficient One-Round PAKE Protocols[Research Report] Cryptology ePrint Archive: Report 2015/188, IACR. 2015
Reports
hal-01139395v1
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Preuves de connaissances interactives et non-interactivesCryptographie et sécurité [cs.CR]. Université Paris-Diderot - Paris VII, 2012. Français. ⟨NNT : ⟩
Theses
tel-00768787v1
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