Secure, Private, Efficient Multiparty Computation

Reverse Firewalls for Adaptively Secure MPC Without Setup

Auteurs: Chakraborty S., Ganesh C., Pancholi M., Sarkar P.
Publié dans: 2021
Éditeur: Aisiacrypt 2021

Low-Bandwidth Threshold ECDSA via Pseudorandom Correlation Generators

Auteurs: Damiano Abram, Ariel Nof, Claudio Orlandi, Peter Scholl, Omer Shlomovits
Publié dans: 2021
Éditeur: Cryptology ePrint Archive

Structure-Preserving Compilers from New Notions of Obfuscations

Auteurs: Matteo Campanelli, Danilo Francati, Claudio Orlandi
Publié dans: 2022
Éditeur: Cryptology ePrint Archive

MuSig-L: Lattice-Based Multi-Signature With Single-Round Online Phase

Auteurs: Cecilia Boschini, Akira Takahashi, Mehdi Tibouchi
Publié dans: 2022
Éditeur: Spring, Camp
DOI: 10.1007/978-3-031-15979-4_10

Threshold BBS+ Signatures for Distributed Anonymous Credential Issuance

Auteurs: Jack Doerner, Yashvanth Kondi, Eysa Lee, abhi shelat, LaKyah Tyner
Publié dans: 2023
Éditeur: IEEE Computer Society
DOI: 10.1109/sp46215.2023.10179470

Count Me In! Extendability for Threshold Ring Signatures

Auteurs: Diego F. Aranha, Mathias Hall-Andersen, Anca Nitulescu, Elena Pagnin, Sophia Yakoubov
Publié dans: 2022
Éditeur: PKC

On Publicly-Accountable Zero-Knowledge and Small Shuffle Arguments

Auteurs: Nils Fleischhacker, Mark Simkin
Publié dans: 2021
Éditeur: PKC 2021

On Access Control Encryption without Sanitization

Auteurs: Cecilia Boschini, Ivan Damgård, Claudio Orlandi
Publié dans: 2022
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-14791-3_10

Publicly Verifiable Zero-Knowledge and Post-Quantum Signatures From VOLE-in-the-Head

Auteurs: Carsten Baum, Lennart Braun, Cyprien Delpech de Saint Guilhem, Michael Klooß, Emmanuela Orsini, Lawrence Roy, Peter Scholl
Publié dans: 2023
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-38554-4_19

Laconic Private Set-Intersection From Pairings

Auteurs: Diego Aranha, Chuanwei Lin, Claudio Orlandi, Mark Simkin
Publié dans: CCS '22: Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security, 2022, ISBN 9781450394505
Éditeur: Association for Computing Machinery
DOI: 10.1145/3548606.3560642

Witness-Succinct Universally-Composable SNARKs

Auteurs: Chaya Ganesh, Yashvanth Kondi, Claudio Orlandi, Mahak Pancholi, Akira Takahashi, Daniel Tschudi
Publié dans: 2023
Éditeur: EUROCRYPT 2023
DOI: 10.1007/978-3-031-30617-4_11

MOTION - A Framework for Mixed-Protocol Multi-Party Computation

Auteurs: Lennart Braun, Daniel Demmler, Thomas Schneider, Oleksandr Tkachenko
Publié dans: 2020
Éditeur: Association for Computing Machinery
DOI: 10.1145/3490390

LadderLeak: Breaking ECDSA with Less than One Bit of Nonce Leakage

Auteurs: Diego F. Aranha, Felipe Rodrigues Novaes, Akira Takahashi, Mehdi Tibouchi, Yuval Yarom
Publié dans: Proceedings of the 2020 ACM SIGSAC Conference on Computer and Communications Security, 2020, Page(s) 225-242, ISBN 9781450370899
Éditeur: ACM
DOI: 10.1145/3372297.3417268

An Algebraic Framework for Silent Preprocessing with Trustless Setup and Active Security

Auteurs: Damiano Abram, Ivan Damgård, Claudio Orlandi, Peter Scholl
Publié dans: 2022
Éditeur: Springer Verlag
DOI: 10.1007/978-3-031-15985-5_15

Mozzarella: Efficient Vector-OLE and Zero-Knowledge Proofs over Z2k

Auteurs: Carsten Baum, Lennart Braun, Alexander Munch-Hansen, Peter Scholl
Publié dans: 2022
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-15985-5_12

On the Bottleneck Complexity of MPC with Correlated Randomness

Auteurs: Claudio Orlandi, Divya Ravi, Peter Scholl
Publié dans: 2022
Éditeur: PKC 2022

Use Your Brain! Arithmetic 3PC for Any Modulus with Active Security

Auteurs: Hendrik Eerikson, Marcel Keller, Claudio Orlandi, Pille Pullonen, Joonas Puura, Mark Simkin
Publié dans: 1st Conference on Information-Theoretic Cryptography (ITC 2020), 2020
Éditeur: Schloss Dagstuhl-Leibniz-Zentrum für Informatik
DOI: 10.4230/lipics.itc.2020.5

FUSE – Flexible File Format and Intermediate Representation for Secure Multi-Party Computation

Auteurs: Lennart Braun, Moritz Huppert, Nora Khayata, Thomas Schneider, Oleksandr Tkachenko
Publié dans: 2023
Éditeur: Association for Computing Machinery
DOI: 10.1145/3579856.3590340

Secure Communication in Dynamic Incomplete Networks

Auteurs: Ivan Damgård, Divya Ravi, Daniel Tschudi, Sophia Yakoubov
Publié dans: 2023
Éditeur: Schloss Dagstuhl -- Leibniz-Zentrum für Informatik
DOI: 10.4230/lipics.itc.2023.13

Refresh When You Wake Up: Proactive Threshold Wallets with Offline Devices

Auteurs: Yashvanth Kondi, Bernardo Magri, Claudio Orlandi, Omer Shlomovits
Publié dans: 2021
Éditeur: IEEE Computer Society
DOI: 10.1109/sp40001.2021.00067

Secure Multiparty Computation from Threshold Encryption based on Class Groups

Auteurs: Lennart Braun, Ivan Damgård, Claudio Orlandi
Publié dans: 2022
Éditeur: Cryptology ePrint Archive

Round Optimal Multi-party Computation with Identifiable Abort

Auteurs: Michele Ciampi, Divya Ravi, Luisa Siniscalchi, Hendrik Waldner
Publié dans: 2022
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-06944-4_12

Information-Theoretically Secure MPC against Mixed Dynamic Adversaries

Auteurs: Ivan Damgård, Daniel Escudero, Divya Ravi
Publié dans: 2021
Éditeur: TCC 2021

Robust Property-Preserving Hash Functions for Hamming Distance and More

Auteurs: Nils Fleischhacker, Mark Simkin
Publié dans: 2021
Éditeur: Eurocrypt 2021

Appenzeller to Brie: Efficient Zero-Knowledge Proofs for Mixed-Mode Arithmetic and $\mathbb{Z}_{2^k}$

Auteurs: Carsten Baum, Lennart Braun, Alexander Munch-Hansen, Benoit Razet, Peter Scholl
Publié dans: 2021
Éditeur: ACM CCS 2021

Fully-Secure MPC with Minimal Trust

Auteurs: Yuval Ishai, Arpita Patra, Sikhar Patranabis, Divya Ravi, Akshayaram Srinivasan
Publié dans: 2022
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-22365-5_17

Zero-Knowledge for Homomorphic Key-Value Commitments with Applications to Privacy-Preserving Ledgers

Auteurs: Matteo Campanelli, Felix Engelmann, Claudio Orlandi
Publié dans: 2022
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-14791-3_33

Improved Threshold Signatures, Proactive Secret Sharing and Input Certification from LSS Isomorphisms

Auteurs: Diego Aranha, Anders Dalskov, Daniel Escudero, Claudio Orlandi
Publié dans: 2021
Éditeur: LatinCrypt 2021

Mother of all Leakages: How to Simulate Noisy Leakage via Bounded Leakage (almost) for Free

Auteurs: Nils Fleischhacker, Mark Simkin
Publié dans: 2021
Éditeur: Eurocrypt 2021

Minimizing Setup in Broadcast-Optimal Two Round MPC

Auteurs: Ivan Damgård, Divya Ravi, Luisa Siniscalchi, Sophia Yakoubov
Publié dans: 2022
Éditeur: Cryptology ePrint Archive, Paper 2022/293

Fiat-Shamir Bulletproofs are Non-Malleable (in the Algebraic Group Model)

Auteurs: Chaya Ganesh, Claudio Orlandi, Mahak Pancholi, Akira Takahashi, Daniel Tschudi
Publié dans: 2022
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-07085-3_14

Two-Round Stateless Deterministic Two-Party Schnorr Signatures From Pseudorandom Correlation Functions

Auteurs: Yashvanth Kondi, Claudio Orlandi, Lawrence Roy
Publié dans: 2023
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-38557-5_21

Optimal Transport Layer for Secure Computation

Auteurs: Markus Brandt, Claudio Orlandi, Kris Shrishak, Haya Shulman
Publié dans: Proceedings of the 17th International Joint Conference on e-Business and Telecommunications, 2020, Page(s) 130-141, ISBN 978-989-758-446-6
Éditeur: SCITEPRESS - Science and Technology Publications
DOI: 10.5220/0009826801300141

Distributed (Correlation) Samplers: How to Remove a Trusted Dealer in One Round

Auteurs: Damiano Abram, Peter Scholl, Sophia Yakoubov
Publié dans: 2022
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-06944-4_27

The State of the Union: Union-Only Signatures for Data Aggregation

Auteurs: Diego F. Aranha, Felix Engelmann, Sebastian Kolby, Sophia Yakoubov
Publié dans: 2022
Éditeur: Springer, Cham
DOI: 10.1007/978-3-031-14791-3_17

Virtual ASICs: Generalized Proof-of-Stake Mining in Cryptocurrencies

Auteurs: Chaya Ganesh, Claudio Orlandi, Daniel Tschudi, Aviv Zohar
Publié dans: 2021
Éditeur: CBT 2021

ECLIPSE: Enhanced Compiling method for Pedersen-committed zkSNARK Engine

Auteurs: Diego F. Aranha, Emil Madsen Bennedsen, Matteo Campanelli, Chaya Ganesh, Claudio Orlandi, Akira Takahashi
Publié dans: 2022
Éditeur: Springer, Cham
DOI: 10.1007/978-3-030-97121-2_21

Stronger Notions and a More Efficient Construction of Threshold Ring Signatures

Auteurs: Alexander Munch-Hansen, Claudio Orlandi, Sophia Yakoubov
Publié dans: 2021
Éditeur: LatinCrypt 2021

Low-Bandwidth Threshold ECDSA via Pseudorandom Correlation Generators

Auteurs: Damiano Abram, Ariel Nof, Claudio Orlandi, Peter Scholl, Omer Shlomovits
Publié dans: 2022
Éditeur: IEEE Computer Society
DOI: 10.1109/sp46214.2022.9833559

ECLIPSE: Enhanced Compiling method for Pedersen-committed zkSNARK Engines

Auteurs: Diego F. Aranha, Emil Madsen Bennedsen, Matteo Campanelli, Chaya Ganesh, Claudio Orlandi, Akira Takahashi
Publié dans: 2022
Éditeur: PKC 2022

Secure Multiparty Computation with Identifiable Abort from Vindicating Release

Auteurs: Ran Cohen, Jack Doerner, Yashvanth Kondi, abhi shelat
Publié dans: 2023
Éditeur: Cryptology ePrint Archive

Ramen: Souper Fast Three-Party Computation for RAM Programs

Auteurs: Lennart Braun, Mahak Pancholi, Rahul Rachuri, Mark Simkin
Publié dans: 2023
Éditeur: Cryptology ePrint Archive

Poster: A Generic Hybrid 2PC Framework with Application to Private Inference of Unmodified Neural Networks (Extended Abstract)

Auteurs: Lennart Braun, Rosario Cammarota, Thomas Schneider.
Publié dans: 2021
Éditeur: Privacy in Machine Learning @ NeurIPS 2021

Threshold ECDSA in Three Rounds

Auteurs: Jack Doerner, Yashvanth Kondi, Eysa Lee, abhi shelat
Publié dans: 2023
Éditeur: Cryptology ePrint Archive

ZK-for-Z2k: MPC-in-the-Head Zero-Knowledge Proofs for Z2k

Auteurs: Lennart Braun, Cyprien Delpech de Saint Guilhem, Robin Jadoul, Emmanuela Orsini, Nigel P. Smart, Titouan Tanguy
Publié dans: 2023
Éditeur: Cryptology ePrint Archive

How to Compile Polynomial IOP into Simulation-Extractable SNARKs: A Modular Approach

Auteurs: Markulf Kohlweiss, Mahak Pancholi
Publié dans: 2023
Éditeur: Cryptology ePrint Archive

Poster: A Generic Hybrid 2PC Framework with Application to Private Inference of Unmodified Neural Networks

Auteurs: Lennart Braun, Rosario Cammarota, Thomas Schneider
Publié dans: 2021
Éditeur: NeurIPS 2021 Workshop Privacy in Machine Learning

The Rise of Paillier: Homomorphic Secret Sharing and Public-Key Silent OT

Auteurs: Claudio Orlandi, Peter Scholl, Sophia Yakoubov
Publié dans: Advances in Cryptology – EUROCRYPT 2021 - 40th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zagreb, Croatia, October 17–21, 2021, Proceedings, Part I, Numéro 12696, 2021, Page(s) 678-708, ISBN 978-3-030-77869-9
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-77870-5_24

Security of Hedged Fiat–Shamir Signatures Under Fault Attacks

Auteurs: Diego F. Aranha, Claudio Orlandi, Akira Takahashi, Greg Zaverucha
Publié dans: Advances in Cryptology – EUROCRYPT 2020 - 39th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zagreb, Croatia, May 10–14, 2020, Proceedings, Part I, Numéro 12105, 2020, Page(s) 644-674, ISBN 978-3-030-45720-4
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-45721-1_23

Proofs of Replicated Storage Without Timing Assumptions

Auteurs: Ivan Damgård, Chaya Ganesh, Claudio Orlandi
Publié dans: Advances in Cryptology – CRYPTO 2019 - 39th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 18–22, 2019, Proceedings, Part I, Numéro 11692, 2019, Page(s) 355-380, ISBN 978-3-030-26947-0
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-26948-7_13

Commodity-Based 2PC for Arithmetic Circuits

Auteurs: Ivan Damgård, Helene Haagh, Michael Nielsen, Claudio Orlandi
Publié dans: Cryptography and Coding - 17th IMA International Conference, IMACC 2019, Oxford, UK, December 16–18, 2019, Proceedings, Numéro 11929, 2019, Page(s) 154-177, ISBN 978-3-030-35198-4
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-35199-1_8

Degenerate Fault Attacks on Elliptic Curve Parameters in OpenSSL

Auteurs: Akira Takahashi, Mehdi Tibouchi
Publié dans: 2019, Page(s) 371-386
Éditeur: 2019 IEEE European Symposium on Security and Privacy (EuroS&P)

Balancing Privacy and Accountability in Blockchain Identity Management

Auteurs: Ivan Damgård, Chaya Ganesh, Hamidreza Khoshakhlagh, Claudio Orlandi, Luisa Siniscalchi
Publié dans: Topics in Cryptology – CT-RSA 2021 - Cryptographers’ Track at the RSA Conference 2021, Virtual Event, May 17–20, 2021, Proceedings, Numéro 12704, 2021, Page(s) 552-576, ISBN 978-3-030-75538-6
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-75539-3_23

Broadcast-Optimal Two Round MPC with an Honest Majority

Auteurs: Ivan Damgård, Bernardo Magri, Divya Ravi, Luisa Siniscalchi, Sophia Yakoubov
Publié dans: Advances in Cryptology – CRYPTO 2021 - 41st Annual International Cryptology Conference, CRYPTO 2021, Virtual Event, August 16–20, 2021, Proceedings, Part II, Numéro 12826, 2021, Page(s) 155-184, ISBN 978-3-030-84244-4
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-84245-1_6

Secure Generalized Deduplication via Multi-Key Revealing Encryption

Auteurs: Daniel E. Lucani, Lars Nielsen, Claudio Orlandi, Elena Pagnin, Rasmus Vestergaard
Publié dans: Security and Cryptography for Networks - 12th International Conference, SCN 2020, Amalfi, Italy, September 14–16, 2020, Proceedings, Numéro 12238, 2020, Page(s) 298-318, ISBN 978-3-030-57989-0
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-57990-6_15

Proof-of-Stake Protocols for Privacy-Aware Blockchains

Auteurs: Chaya Ganesh, Claudio Orlandi, Daniel Tschudi
Publié dans: 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 I, Numéro 11476, 2019, Page(s) 690-719, ISBN 978-3-030-17652-5
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-17653-2_23

Improved Primitives for MPC over Mixed Arithmetic-Binary Circuits

Auteurs: Daniel Escudero, Satrajit Ghosh, Marcel Keller, Rahul Rachuri, Peter Scholl
Publié dans: Advances in Cryptology – CRYPTO 2020 - 40th Annual International Cryptology Conference, CRYPTO 2020, Santa Barbara, CA, USA, August 17–21, 2020, Proceedings, Part II, Numéro 12171, 2020, Page(s) 823-852, ISBN 978-3-030-56879-5
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-56880-1_29

Two-Round n-out-of-n and Multi-signatures and Trapdoor Commitment from Lattices

Auteurs: Ivan Damgård, Claudio Orlandi, Akira Takahashi, Mehdi Tibouchi
Publié dans: Public-Key Cryptography – PKC 2021 - 24th IACR International Conference on Practice and Theory of Public Key Cryptography, Virtual Event, May 10–13, 2021, Proceedings, Part I, Numéro 12710, 2021, Page(s) 99-130, ISBN 978-3-030-75244-6
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-75245-3_5

Quisquis: A New Design for Anonymous Cryptocurrencies

Auteurs: Prastudy Fauzi, Sarah Meiklejohn, Rebekah Mercer, Claudio Orlandi
Publié dans: Advances in Cryptology – ASIACRYPT 2019 - 25th International Conference on the Theory and Application of Cryptology and Information Security, Kobe, Japan, December 8–12, 2019, Proceedings, Part I, Numéro 11921, 2019, Page(s) 649-678, ISBN 978-3-030-34577-8
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-34578-5_23

Sharing Information with Competitors

Auteurs: Simina Brânzei, Claudio Orlandi, Guang Yang
Publié dans: Algorithmic Game Theory - 12th International Symposium, SAGT 2019, Athens, Greece, September 30 – October 3, 2019, Proceedings, Numéro 11801, 2019, Page(s) 34-48, ISBN 978-3-030-30472-0
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-30473-7_3

Stronger Security and Constructions of Multi-designated Verifier Signatures

Auteurs: Ivan Damgård, Helene Haagh, Rebekah Mercer, Anca Nitulescu, Claudio Orlandi, Sophia Yakoubov
Publié dans: Theory of Cryptography - 18th International Conference, TCC 2020, Durham, NC, USA, November 16–19, 2020, Proceedings, Part II, Numéro 12551, 2020, Page(s) 229-260, ISBN 978-3-030-64377-5
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-64378-2_9

Black-Box Transformations from Passive to Covert Security with Public Verifiability

Auteurs: Ivan Damgård, Claudio Orlandi, Mark Simkin
Publié dans: Advances in Cryptology – CRYPTO 2020 - 40th Annual International Cryptology Conference, CRYPTO 2020, Santa Barbara, CA, USA, August 17–21, 2020, Proceedings, Part II, Numéro 12171, 2020, Page(s) 647-676, ISBN 978-3-030-56879-5
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-56880-1_23

Securing DNSSEC Keys via Threshold ECDSA from Generic MPC

Auteurs: Anders Dalskov, Claudio Orlandi, Marcel Keller, Kris Shrishak, Haya Shulman
Publié dans: Computer Security – ESORICS 2020 - 25th European Symposium on Research in Computer Security, ESORICS 2020, Guildford, UK, September 14–18, 2020, Proceedings, Part II, Numéro 12309, 2020, Page(s) 654-673, ISBN 978-3-030-59012-3
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-59013-0_32

Lattice-Based Zero-Knowledge SNARGs for Arithmetic Circuits

Auteurs: Anca Nitulescu
Publié dans: Progress in Cryptology – LATINCRYPT 2019 - 6th International Conference on Cryptology and Information Security in Latin America, Santiago de Chile, Chile, October 2–4, 2019, Proceedings, Numéro 11774, 2019, Page(s) 217-236, ISBN 978-3-030-30529-1
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-30530-7_11

Side-Channel Protections for Picnic Signatures

Auteurs: Diego F. Aranha, Sebastian Berndt, Thomas Eisenbarth, Okan Seker, Akira Takahashi, Luca Wilke, Greg Zaverucha
Publié dans: IACR Transactions on Cryptographic Hardware and Embedded Systems, 2021, Page(s) 239-282, ISSN 2569-2925
Éditeur: CHES
DOI: 10.46586/tches.v2021.i4.239-282

MPC with Low Bottleneck-Complexity: Information-Theoretic Security and More

Auteurs: Hannah Keller, Claudio Orlandi, Anat Paskin-Cherniavsky, Divya Ravi
Publié dans: 4th Conference on Information-Theoretic Cryptography (ITC 2023), 2023, ISSN 1868-8969
Éditeur: Schloss Dagstuhl -- Leibniz-Zentrum für Informatik
DOI: 10.4230/lipics.itc.2023.11

TOPPool: Time-aware Optimized Privacy-Preserving Ridesharing

Auteurs: Elena Pagnin, Gunnar Gunnarsson, Pedram Talebi, Claudio Orlandi, Andrei Sabelfeld
Publié dans: Proceedings on Privacy Enhancing Technologies, Numéro 2019/4, 2019, Page(s) 93-111, ISSN 2299-0984
Éditeur: Sciendo
DOI: 10.2478/popets-2019-0060

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