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Secure, Private, Efficient Multiparty Computation

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Publications

Reverse Firewalls for Adaptively Secure MPC Without Setup

Author(s): Chakraborty S., Ganesh C., Pancholi M., Sarkar P.
Published in: 2021
Publisher: Aisiacrypt 2021

Count Me In! Extendability for Threshold Ring Signatures

Author(s): Diego F. Aranha, Mathias Hall-Andersen, Anca Nitulescu, Elena Pagnin, Sophia Yakoubov
Published in: 2022
Publisher: PKC

On Publicly-Accountable Zero-Knowledge and Small Shuffle Arguments

Author(s): Nils Fleischhacker, Mark Simkin
Published in: 2021
Publisher: PKC 2021

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

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

On the Bottleneck Complexity of MPC with Correlated Randomness

Author(s): Claudio Orlandi, Divya Ravi, Peter Scholl
Published in: 2022
Publisher: PKC 2022

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

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

Information-Theoretically Secure MPC against Mixed Dynamic Adversaries

Author(s): Ivan Damgård, Daniel Escudero, Divya Ravi
Published in: 2021
Publisher: TCC 2021

Robust Property-Preserving Hash Functions for Hamming Distance and More

Author(s): Nils Fleischhacker, Mark Simkin
Published in: 2021
Publisher: Eurocrypt 2021

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

Author(s): Carsten Baum, Lennart Braun, Alexander Munch-Hansen, Benoit Razet, Peter Scholl
Published in: 2021
Publisher: ACM CCS 2021

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

Author(s): Diego Aranha, Anders Dalskov, Daniel Escudero, Claudio Orlandi
Published in: 2021
Publisher: LatinCrypt 2021

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

Author(s): Nils Fleischhacker, Mark Simkin
Published in: 2021
Publisher: Eurocrypt 2021

Optimal Transport Layer for Secure Computation

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

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

Author(s): Chaya Ganesh, Claudio Orlandi, Daniel Tschudi, Aviv Zohar
Published in: 2021
Publisher: CBT 2021

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

Author(s): Chaya Ganesh, Claudio Orlandi, Mahak Pancholi, Akira Takahashi, Daniel Tschudi
Published in: 2022
Publisher: Eurocrypt 2022

Stronger Notions and a More Efficient Construction of Threshold Ring Signatures

Author(s): Alexander Munch-Hansen, Claudio Orlandi, Sophia Yakoubov
Published in: 2021
Publisher: LatinCrypt 2021

ECLIPSE: Enhanced Compiling method for Pedersen-committed zkSNARK Engines

Author(s): Diego F. Aranha, Emil Madsen Bennedsen, Matteo Campanelli, Chaya Ganesh, Claudio Orlandi, Akira Takahashi
Published in: 2022
Publisher: PKC 2022

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

Author(s): Claudio Orlandi, Peter Scholl, Sophia Yakoubov
Published in: 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, 12696, 2021, Page(s) 678-708, ISBN 978-3-030-77869-9
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-77870-5_24

Security of Hedged Fiat–Shamir Signatures Under Fault Attacks

Author(s): Diego F. Aranha, Claudio Orlandi, Akira Takahashi, Greg Zaverucha
Published in: 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, 12105, 2020, Page(s) 644-674, ISBN 978-3-030-45720-4
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-45721-1_23

Proofs of Replicated Storage Without Timing Assumptions

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

Commodity-Based 2PC for Arithmetic Circuits

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

Degenerate Fault Attacks on Elliptic Curve Parameters in OpenSSL

Author(s): Akira Takahashi, Mehdi Tibouchi
Published in: 2019, Page(s) 371-386
Publisher: 2019 IEEE European Symposium on Security and Privacy (EuroS&P)

Balancing Privacy and Accountability in Blockchain Identity Management

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

Broadcast-Optimal Two Round MPC with an Honest Majority

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

Secure Generalized Deduplication via Multi-Key Revealing Encryption

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

Proof-of-Stake Protocols for Privacy-Aware Blockchains

Author(s): Chaya Ganesh, Claudio Orlandi, Daniel Tschudi
Published in: 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, 11476, 2019, Page(s) 690-719, ISBN 978-3-030-17652-5
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-17653-2_23

Improved Primitives for MPC over Mixed Arithmetic-Binary Circuits

Author(s): Daniel Escudero, Satrajit Ghosh, Marcel Keller, Rahul Rachuri, Peter Scholl
Published in: Advances in Cryptology – CRYPTO 2020 - 40th Annual International Cryptology Conference, CRYPTO 2020, Santa Barbara, CA, USA, August 17–21, 2020, Proceedings, Part II, 12171, 2020, Page(s) 823-852, ISBN 978-3-030-56879-5
Publisher: 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

Author(s): Ivan Damgård, Claudio Orlandi, Akira Takahashi, Mehdi Tibouchi
Published in: 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, 12710, 2021, Page(s) 99-130, ISBN 978-3-030-75244-6
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-75245-3_5

Quisquis: A New Design for Anonymous Cryptocurrencies

Author(s): Prastudy Fauzi, Sarah Meiklejohn, Rebekah Mercer, Claudio Orlandi
Published in: 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, 11921, 2019, Page(s) 649-678, ISBN 978-3-030-34577-8
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-34578-5_23

Sharing Information with Competitors

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

Stronger Security and Constructions of Multi-designated Verifier Signatures

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

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

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

Securing DNSSEC Keys via Threshold ECDSA from Generic MPC

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

Lattice-Based Zero-Knowledge SNARGs for Arithmetic Circuits

Author(s): Anca Nitulescu
Published in: 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, 11774, 2019, Page(s) 217-236, ISBN 978-3-030-30529-1
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-30530-7_11

Side-Channel Protections for Picnic Signatures

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

TOPPool: Time-aware Optimized Privacy-Preserving Ridesharing

Author(s): Elena Pagnin, Gunnar Gunnarsson, Pedram Talebi, Claudio Orlandi, Andrei Sabelfeld
Published in: Proceedings on Privacy Enhancing Technologies, 2019/4, 2019, Page(s) 93-111, ISSN 2299-0984
Publisher: Sciendo
DOI: 10.2478/popets-2019-0060

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

Author(s): Lennart Braun, Rosario Cammarota, Thomas Schneider.
Published in: 2021
Publisher: Privacy in Machine Learning @ NeurIPS 2021