Ran Cohen

79 papers A* 2A 4Misc 2Journal 50Unranked 21
YearRankTypeTitle / Venue / Authors
2025 — conf
An Unstoppable Ideal Functionality for Signatures and a Modular Analysis of the Dolev-Strong Broadcast.
TCC (4)
Ran Cohen, Jack Doerner, Eysa Lee, Anna Lysyanskaya, Lawrence Roy
2025 J jnl
Byzantine Broadcast with Unknown Participants.
IACR Cryptol. ePrint Arch.
Wonseok Choi, Ran Cohen, Juan Garay, Nikos Skoumios, Vassilis Zikas
2025 J jnl
Communication lower bounds for cryptographic broadcast protocols.
Distributed Comput.
Erica Blum, Elette Boyle, Ran Cohen, Chen-Da Liu-Zhang
2025 J jnl
Guaranteed Output in $O(\sqrt{n})$ Rounds for Round-Robin Sampling Protocols.
J. Cryptol.
Ran Cohen, Jack Doerner, Yashvanth Kondi, Abhi Shelat
2025 — conf
Is It Even Possible? On the Parallel Composition of Asynchronous MPC Protocols.
TCC (1)
Ran Cohen, Pouyan Forghani, Juan Garay, Rutvik Patel, Vassilis Zikas
2025 J jnl
Is It Even Possible? On the Parallel Composition of Asynchronous MPC Protocols.
IACR Cryptol. ePrint Arch.
Ran Cohen, Pouyan Forghani, Juan Garay, Rutvik Patel, Vassilis Zikas
2025 — conf
Peeking Into the Future: MPC Resilient to Super-Rushing Adversaries.
EUROCRYPT (5)
Gilad Asharov, Anirudh Chandramouli, Ran Cohen, Yuval Ishai
2025 J jnl
Peeking Into the Future: MPC Resilient to Super-Rushing Adversaries.
IACR Cryptol. ePrint Arch.
Gilad Asharov, Anirudh Chandramouli, Ran Cohen, Yuval Ishai
2025 — conf
Setup-Free Committee Sampling with Subquadratic Communication.
ASIACRYPT (2)
Ran Cohen, Poulami Das, Tal Moran
2024 J jnl
An Unstoppable Ideal Functionality for Signatures and a Modular Analysis of the Dolev-Strong Broadcast.
IACR Cryptol. ePrint Arch.
Ran Cohen, Jack Doerner, Eysa Lee, Anna Lysyanskaya, Lawrence Roy
2024 J jnl
Breaking the $O(\sqrt{n})$-Bit Barrier: Byzantine Agreement with Polylog Bits Per Party.
J. Cryptol.
Elette Boyle, Ran Cohen, Aarushi Goel
2024 — conf
Efficient Agreement Over Byzantine Gossip.
FC (1)
Ran Cohen, Julian Loss, Tal Moran
2024 A conf
Information-Theoretic Topology-Hiding Broadcast: Wheels, Stars, Friendship, and Beyond.
ITC
D'or Banoun, Elette Boyle, Ran Cohen
2024 J jnl
Information-Theoretic Topology-Hiding Broadcast: Wheels, Stars, Friendship, and Beyond.
IACR Cryptol. ePrint Arch.
D'or Banoun, Elette Boyle, Ran Cohen
2024 J jnl
Locally Verifiable Distributed SNARGs.
IACR Cryptol. ePrint Arch.
Eden Aldema Tshuva, Elette Boyle, Ran Cohen, Tal Moran, Rotem Oshman
2024 — conf
Secure Multiparty Computation with Identifiable Abort via Vindicating Release.
CRYPTO (8)
Ran Cohen, Jack Doerner, Yashvanth Kondi, Abhi Shelat
2023 J jnl
Adaptively Secure MPC with Sublinear Communication Complexity.
J. Cryptol.
Ran Cohen, Abhi Shelat, Daniel Wichs
2023 A conf
Communication Lower Bounds for Cryptographic Broadcast Protocols.
DISC
Erica Blum, Elette Boyle, Ran Cohen, Chen-Da Liu-Zhang
2023 J jnl
Communication Lower Bounds for Cryptographic Broadcast Protocols.
CoRR
Erica Blum, Elette Boyle, Ran Cohen, Chen-Da Liu-Zhang
2023 J jnl
Communication Lower Bounds for Cryptographic Broadcast Protocols.
IACR Cryptol. ePrint Arch.
Erica Blum, Elette Boyle, Ran Cohen, Chen-Da Liu-Zhang
2023 — conf
Completeness Theorems for Adaptively Secure Broadcast.
CRYPTO (1)
Ran Cohen, Juan A. Garay, Vassilis Zikas
2023 — conf
Concurrent Asynchronous Byzantine Agreement in Expected-Constant Rounds, Revisited.
TCC (4)
Ran Cohen, Pouyan Forghani, Juan A. Garay, Rutvik Patel, Vassilis Zikas
2023 J jnl
Concurrent Asynchronous Byzantine Agreement in Expected-Constant Rounds, Revisited.
CoRR
Ran Cohen, Pouyan Forghani, Juan A. Garay, Rutvik Patel, Vassilis Zikas
2023 J jnl
Concurrent Asynchronous Byzantine Agreement in Expected-Constant Rounds, Revisited.
IACR Cryptol. ePrint Arch.
Ran Cohen, Pouyan Forghani, Juan A. Garay, Rutvik Patel, Vassilis Zikas
2023 J jnl
Efficient Agreement Over Byzantine Gossip.
IACR Cryptol. ePrint Arch.
Ran Cohen, Julian Loss, Tal Moran
2023 — conf
Locally Verifiable Distributed SNARGs.
TCC (1)
Eden Aldema Tshuva, Elette Boyle, Ran Cohen, Tal Moran, Rotem Oshman
2023 J jnl
Must the Communication Graph of MPC Protocols be an Expander?
CoRR
Elette Boyle, Ran Cohen, Deepesh Data, Pavel Hubácek
2023 J jnl
Must the Communication Graph of MPC Protocols be an Expander?
J. Cryptol.
Elette Boyle, Ran Cohen, Deepesh Data, Pavel Hubácek
2023 J jnl
On the Power of an Honest Majority in Three-Party Computation Without Broadcast.
J. Cryptol.
Bar Alon, Ran Cohen, Eran Omri, Tom Suad
2023 J jnl
Secure Multiparty Computation with Identifiable Abort from Vindicating Release.
IACR Cryptol. ePrint Arch.
Ran Cohen, Jack Doerner, Yashvanth Kondi, Abhi Shelat
2023 J jnl
Topology-Hiding Communication from Minimal Assumptions.
J. Cryptol.
Marshall Ball, Elette Boyle, Ran Cohen, Lisa Kohl, Tal Malkin, Pierre Meyer, Tal Moran
2022 J jnl
From Fairness to Full Security in Multiparty Computation.
J. Cryptol.
Ran Cohen, Iftach Haitner, Eran Omri, Lior Rotem
2022 — conf
Guaranteed Output in $O(\sqrt{n})$ Rounds for Round-Robin Sampling Protocols.
EUROCRYPT (1)
Ran Cohen, Jack Doerner, Yashvanth Kondi, Abhi Shelat
2022 J jnl
Guaranteed Output in $O(\sqrt{n})$ Rounds for Round-Robin Sampling Protocols.
IACR Cryptol. ePrint Arch.
Ran Cohen, Jack Doerner, Yashvanth Kondi, Abhi Shelat
2022 J jnl
Multiparty Generation of an RSA Modulus.
J. Cryptol.
Megan Chen, Jack Doerner, Yashvanth Kondi, Eysa Lee, Schuyler Rosefield, Abhi Shelat, Ran Cohen
2022 J jnl
On the Round Complexity of Randomized Byzantine Agreement.
J. Cryptol.
Ran Cohen, Iftach Haitner, Nikolaos Makriyannis, Matan Orland, Alex Samorodnitsky
2022 A conf
Static vs. Adaptive Security in Perfect MPC: A Separation and the Adaptive Security of BGW.
ITC
Gilad Asharov, Ran Cohen, Oren Shochat
2022 J jnl
Static vs. Adaptive Security in Perfect MPC: A Separation and the Adaptive Security of BGW.
IACR Cryptol. ePrint Arch.
Gilad Asharov, Ran Cohen, Oren Shochat
2021 J jnl
Adaptively Secure Broadcast in Resource-Restricted Cryptography.
IACR Cryptol. ePrint Arch.
Ran Cohen, Juan A. Garay, Vassilis Zikas
2021 A* conf
Breaking the O(√ n)-Bit Barrier: Byzantine Agreement with Polylog Bits Per Party.
PODC
Elette Boyle, Ran Cohen, Aarushi Goel
2021 J jnl
Characterization of Secure Multiparty Computation Without Broadcast.
CoRR
Ran Cohen, Iftach Haitner, Eran Omri, Lior Rotem
2021 J jnl
From Fairness to Full Security in Multiparty Computation.
CoRR
Ran Cohen, Iftach Haitner, Eran Omri, Lior Rotem
2021 J jnl
Round-Preserving Parallel Composition of Probabilistic-Termination Cryptographic Protocols.
J. Cryptol.
Ran Cohen, Sandro Coretti, Juan A. Garay, Vassilis Zikas
2021 J jnl
Topology-Hiding Communication from Minimal Assumptions.
IACR Cryptol. ePrint Arch.
Marshall Ball, Elette Boyle, Ran Cohen, Lisa Kohl, Tal Malkin, Pierre Meyer, Tal Moran
2020 — conf
Broadcast-Optimal Two-Round MPC.
EUROCRYPT (2)
Ran Cohen, Juan A. Garay, Vassilis Zikas
2020 — conf
Multiparty Generation of an RSA Modulus.
CRYPTO (3)
Megan Chen, Ran Cohen, Jack Doerner, Yashvanth Kondi, Eysa Lee, Schuyler Rosefield, Abhi Shelat
2020 J jnl
Multiparty Generation of an RSA Modulus.
IACR Cryptol. ePrint Arch.
Megan Chen, Ran Cohen, Jack Doerner, Yashvanth Kondi, Eysa Lee, Schuyler Rosefield, Abhi Shelat
2020 — conf
On the Power of an Honest Majority in Three-Party Computation Without Broadcast.
TCC (2)
Bar Alon, Ran Cohen, Eran Omri, Tom Suad
2020 J jnl
On the Power of an Honest Majority in Three-Party Computation Without Broadcast.
IACR Cryptol. ePrint Arch.
Bar Alon, Ran Cohen, Eran Omri, Tom Suad
2020 J jnl
Succinctly Reconstructed Distributed Signatures and Balanced Byzantine Agreement.
CoRR
Elette Boyle, Ran Cohen, Aarushi Goel
2020 J jnl
Succinctly Reconstructed Distributed Signatures and Balanced Byzantine Agreement.
IACR Cryptol. ePrint Arch.
Elette Boyle, Ran Cohen, Aarushi Goel
2020 — conf
Topology-Hiding Communication from Minimal Assumptions.
TCC (2)
Marshall Ball, Elette Boyle, Ran Cohen, Lisa Kohl, Tal Malkin, Pierre Meyer, Tal Moran
2019 — conf
Adaptively Secure MPC with Sublinear Communication Complexity.
CRYPTO (2)
Ran Cohen, Abhi Shelat, Daniel Wichs
2019 J jnl
Broadcast-Optimal Two-Round MPC.
IACR Cryptol. ePrint Arch.
Ran Cohen, Juan A. Garay, Vassilis Zikas
2019 J jnl
From Fairness to Full Security in Multiparty Computation.
IACR Cryptol. ePrint Arch.
Ran Cohen, Iftach Haitner, Eran Omri, Lior Rotem
2019 — conf
Is Information-Theoretic Topology-Hiding Computation Possible?
TCC (1)
Marshall Ball, Elette Boyle, Ran Cohen, Tal Malkin, Tal Moran
2019 J jnl
Is Information-Theoretic Topology-Hiding Computation Possible?
IACR Cryptol. ePrint Arch.
Marshall Ball, Elette Boyle, Ran Cohen, Tal Malkin, Tal Moran
2019 A conf
On the Round Complexity of Randomized Byzantine Agreement.
DISC
Ran Cohen, Iftach Haitner, Nikolaos Makriyannis, Matan Orland, Alex Samorodnitsky
2019 J jnl
On the Round Complexity of Randomized Byzantine Agreement.
CoRR
Ran Cohen, Iftach Haitner, Nikolaos Makriyannis, Matan Orland, Alex Samorodnitsky
2019 J jnl
On the Round Complexity of Randomized Byzantine Agreement.
IACR Cryptol. ePrint Arch.
Ran Cohen, Iftach Haitner, Nikolaos Makriyannis, Matan Orland, Alex Samorodnitsky
2019 J jnl
Probabilistic Termination and Composability of Cryptographic Protocols.
J. Cryptol.
Ran Cohen, Sandro Coretti, Juan A. Garay, Vassilis Zikas
2018 J jnl
Adaptively Secure MPC with Sublinear Communication Complexity.
IACR Cryptol. ePrint Arch.
Ran Cohen, Abhi Shelat, Daniel Wichs
2018 J jnl
Characterization of Secure Multiparty Computation Without Broadcast.
J. Cryptol.
Ran Cohen, Iftach Haitner, Eran Omri, Lior Rotem
2018 Misc conf
From Fairness to Full Security in Multiparty Computation.
SCN
Ran Cohen, Iftach Haitner, Eran Omri, Lior Rotem
2018 — conf
Must the Communication Graph of MPC Protocols be an Expander?
CRYPTO (3)
Elette Boyle, Ran Cohen, Deepesh Data, Pavel Hubácek
2018 J jnl
Must the Communication Graph of MPC Protocols be an Expander?
IACR Cryptol. ePrint Arch.
Elette Boyle, Ran Cohen, Deepesh Data, Pavel Hubácek
2017 J jnl
Fairness Versus Guaranteed Output Delivery in Secure Multiparty Computation.
J. Cryptol.
Ran Cohen, Yehuda Lindell
2017 A* conf
Round-Preserving Parallel Composition of Probabilistic-Termination Cryptographic Protocols.
ICALP
Ran Cohen, Sandro Coretti, Juan A. Garay, Vassilis Zikas
2017 J jnl
Round-Preserving Parallel Composition of Probabilistic-Termination Cryptographic Protocols.
IACR Cryptol. ePrint Arch.
Ran Cohen, Sandro Coretti, Juan A. Garay, Vassilis Zikas
2016 — conf
Asynchronous Secure Multiparty Computation in Constant Time.
Public Key Cryptography (2)
Ran Cohen
2016 — conf
Characterization of Secure Multiparty Computation Without Broadcast.
TCC (A1)
Ran Cohen, Iftach Haitner, Eran Omri, Lior Rotem
2016 Misc conf
On Adaptively Secure Multiparty Computation with a Short CRS.
SCN
Ran Cohen, Chris Peikert
2016 J jnl
On Adaptively Secure Multiparty Computation with a Short CRS.
IACR Cryptol. ePrint Arch.
Ran Cohen, Chris Peikert
2016 — conf
Probabilistic Termination and Composability of Cryptographic Protocols.
CRYPTO (3)
Ran Cohen, Sandro Coretti, Juan A. Garay, Vassilis Zikas
2016 J jnl
Probabilistic Termination and Composability of Cryptographic Protocols.
IACR Cryptol. ePrint Arch.
Ran Cohen, Sandro Coretti, Juan A. Garay, Vassilis Zikas
2015 J jnl
Asynchronous Secure Multiparty Computation in Constant Time.
IACR Cryptol. ePrint Arch.
Ran Cohen
2015 J jnl
Characterization of Secure Multiparty Computation Without Broadcast.
IACR Cryptol. ePrint Arch.
Ran Cohen, Iftach Haitner, Eran Omri, Lior Rotem
2014 J jnl
Fairness Versus Guaranteed Output Delivery in Secure Multiparty Computation.
IACR Cryptol. ePrint Arch.
Ran Cohen, Yehuda Lindell
2014 — conf
Fairness versus Guaranteed Output Delivery in Secure Multiparty Computation.
ASIACRYPT (2)
Ran Cohen, Yehuda Lindell