Ilan Komargodski

According to our database, Ilan Komargodski authored at least 80 papers between 2012 and 2024.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of three.

2024

On the (Im)possibility of Game-Theoretically Fair Leader Election Protocols.

Ohad Klein, Ilan Komargodski, Chenzhi Zhu

IACR Cryptol. ePrint Arch., 2024

Offline-Online Indifferentiability of Cryptographic Systems.

Ashrujit Ghoshal, Ilan Komargodski, Gil Segev

IACR Cryptol. ePrint Arch., 2024

Memory Checking Requires Logarithmic Overhead.

Elette Boyle, Ilan Komargodski, Neekon Vafa

Electron. Colloquium Comput. Complex., 2024

Scalable Distributed Agreement from LWE: Byzantine Agreement, Broadcast, and Leader Election.

Rex Fernando, Yuval Gelles, Ilan Komargodski

Proceedings of the 15th Innovations in Theoretical Computer Science Conference, 2024

2023

On Time-Space Tradeoffs for Bounded-Length Collisions in Merkle-Damgård Hashing.

Ashrujit Ghoshal, Ilan Komargodski

Comput. Complex., December, 2023

Decentralized Multi-authority ABE for sfNC¹ from BDH.

Pratish Datta, Ilan Komargodski, Brent Waters

J. Cryptol., April, 2023

Oblivious RAM with Worst-Case Logarithmic Overhead.

Gilad Asharov, Ilan Komargodski, Wei-Kai Lin, Elaine Shi

J. Cryptol., April, 2023

OptORAMa: Optimal Oblivious RAM.

Gilad Asharov, Ilan Komargodski, Wei-Kai Lin, Kartik Nayak, Enoch Peserico, Elaine Shi

J. ACM, February, 2023

New Bounds on the Local Leakage Resilience of Shamir's Secret Sharing Scheme.

Ohad Klein, Ilan Komargodski

IACR Cryptol. ePrint Arch., 2023

3-Party Secure Computation for RAMs: Optimal and Concretely Efficient.

Atsunori Ichikawa, Ilan Komargodski, Koki Hamada, Ryo Kikuchi, Dai Ikarashi

IACR Cryptol. ePrint Arch., 2023

Optimal Load-Balanced Scalable Distributed Agreement.

Yuval Gelles, Ilan Komargodski

IACR Cryptol. ePrint Arch., 2023

Scalable Agreement Protocols with Optimal Optimistic Efficiency.

Yuval Gelles, Ilan Komargodski

IACR Cryptol. ePrint Arch., 2023

Optimal Security for Keyed Hash Functions: Avoiding Time-Space Tradeoffs for Finding Collisions.

Cody Freitag, Ashrujit Ghoshal, Ilan Komargodski

IACR Cryptol. ePrint Arch., 2023

FutORAMa: A Concretely Efficient Hierarchical Oblivious RAM.

Gilad Asharov, Ilan Komargodski, Yehuda Michelson

IACR Cryptol. ePrint Arch., 2023

Verifying Groups in Linear Time.

Shai Evra, Shay Gadot, Ohad Klein, Ilan Komargodski

Electron. Colloquium Comput. Complex., 2023

Brief Announcement: Scalable Agreement Protocols with Optimal Optimistic Efficiency.

Yuval Gelles, Ilan Komargodski

Proceedings of the 37th International Symposium on Distributed Computing, 2023

Distributed-Prover Interactive Proofs.

Sourav Das, Rex Fernando, Ilan Komargodski, Elaine Shi, Pratik Soni

Proceedings of the Theory of Cryptography - 21st International Conference, 2023

On Distributed Randomness Generation in Blockchains.

Ilan Komargodski, Yoav Tamir

Proceedings of the Cyber Security, Cryptology, and Machine Learning, 2023

The Cost of Statistical Security in Proofs for Repeated Squaring.

Cody Freitag, Ilan Komargodski

Proceedings of the 4th Conference on Information-Theoretic Cryptography, 2023

2022

One-Way Functions and (Im)perfect Obfuscation.

Ilan Komargodski, Tal Moran, Moni Naor, Rafael Pass, Alon Rosen, Eylon Yogev

SIAM J. Comput., 2022

On the Complexity of Compressing Obfuscation.

Gilad Asharov, Ilan Komargodski, Rafael Pass, Naomi Sirkin

J. Cryptol., 2022

SPARKs: Succinct Parallelizable Arguments of Knowledge.

Naomi Ephraim, Cody Freitag, Ilan Komargodski, Rafael Pass

J. ACM, 2022

Differentially Oblivious Turing Machines.

Ilan Komargodski, Elaine Shi

IACR Cryptol. ePrint Arch., 2022

log*-Round Game-Theoretically-Fair Leader Election.

Ilan Komargodski, Shin'ichiro Matsuo, Elaine Shi, Ke Wu

IACR Cryptol. ePrint Arch., 2022

The Cost of Statistical Security in Interactive Proofs for Repeated Squaring.

Cody Freitag, Ilan Komargodski

IACR Cryptol. ePrint Arch., 2022

Time-Space Tradeoffs for Sponge Hashing: Attacks and Limitations for Short Collisions.

Cody Freitag, Ashrujit Ghoshal, Ilan Komargodski

IACR Cryptol. ePrint Arch., 2022

Maliciously Secure Massively Parallel Computation for All-but-One Corruptions.

Rex Fernando, Yuval Gelles, Ilan Komargodski, Elaine Shi

IACR Cryptol. ePrint Arch., 2022

Fully Adaptive Decentralized Multi-Authority ABE.

Pratish Datta, Ilan Komargodski, Brent Waters

IACR Cryptol. ePrint Arch., 2022

Practical (Post-Quantum) Key Combiners from One-Wayness and Applications to TLS.

Nimrod Aviram, Benjamin Dowling, Ilan Komargodski, Kenneth G. Paterson, Eyal Ronen, Eylon Yogev

IACR Cryptol. ePrint Arch., 2022

log ^*-Round Game-Theoretically-Fair Leader Election.

Ilan Komargodski, Shin'ichiro Matsuo, Elaine Shi, Ke Wu

Proceedings of the Advances in Cryptology - CRYPTO 2022, 2022

2021

Maliciously-Secure MrNISC in the Plain Model.

Rex Fernando, Aayush Jain, Ilan Komargodski

IACR Cryptol. ePrint Arch., 2021

Decentralized Multi-Authority ABE for NC^1 from Computational-BDH.

Pratish Datta, Ilan Komargodski, Brent Waters

IACR Cryptol. ePrint Arch., 2021

Multiparty Reusable Non-Interactive Secure Computation from LWE.

Fabrice Benhamouda, Aayush Jain, Ilan Komargodski, Huijia Lin

IACR Cryptol. ePrint Arch., 2021

A Logarithmic Lower Bound for Oblivious RAM (for All Parameters).

Ilan Komargodski, Wei-Kai Lin

Proceedings of the Advances in Cryptology - CRYPTO 2021, 2021

Non-malleable Codes for Bounded Parallel-Time Tampering.

Dana Dachman-Soled, Ilan Komargodski, Rafael Pass

Proceedings of the Advances in Cryptology - CRYPTO 2021, 2021

2020

From Minicrypt to Obfustopia via Private-Key Functional Encryption.

Ilan Komargodski, Gil Segev

J. Cryptol., 2020

Lower Bound for Oblivious RAM with Large Cells.

Ilan Komargodski, Wei-Kai Lin

IACR Cryptol. ePrint Arch., 2020

Secure Massively Parallel Computation for Dishonest Majority.

Rex Fernando, Ilan Komargodski, Yanyi Liu, Elaine Shi

IACR Cryptol. ePrint Arch., 2020

Non-Malleable Time-Lock Puzzles and Applications.

Naomi Ephraim, Cody Freitag, Ilan Komargodski, Rafael Pass

IACR Cryptol. ePrint Arch., 2020

Decentralized Multi-Authority ABE for DNFs from LWE.

Pratish Datta, Ilan Komargodski, Brent Waters

IACR Cryptol. ePrint Arch., 2020

Non-Malleable Codes for Bounded Polynomial Depth Tampering.

Dana Dachman-Soled, Ilan Komargodski, Rafael Pass

IACR Cryptol. ePrint Arch., 2020

Optimal Oblivious Parallel RAM.

Gilad Asharov, Ilan Komargodski, Wei-Kai Lin, Enoch Peserico, Elaine Shi

IACR Cryptol. ePrint Arch., 2020

Oblivious Parallel Tight Compaction.

Gilad Asharov, Ilan Komargodski, Wei-Kai Lin, Enoch Peserico, Elaine Shi

IACR Cryptol. ePrint Arch., 2020

2019

Non-Uniformly Sound Certificates with Applications to Concurrent Zero-Knowledge.

Cody Freitag, Ilan Komargodski, Rafael Pass

IACR Cryptol. ePrint Arch., 2019

Impossibility of Strong KDM Security with Auxiliary Input.

Cody Freitag, Ilan Komargodski, Rafael Pass

IACR Cryptol. ePrint Arch., 2019

Continuous Verifiable Delay Functions.

Naomi Ephraim, Cody Freitag, Ilan Komargodski, Rafael Pass

IACR Cryptol. ePrint Arch., 2019

Distributional Collision Resistance Beyond One-Way Functions.

Nir Bitansky, Iftach Haitner, Ilan Komargodski, Eylon Yogev

IACR Cryptol. ePrint Arch., 2019

On Perfect Correctness without Derandomization.

Gilad Asharov, Naomi Ephraim, Ilan Komargodski, Rafael Pass

IACR Cryptol. ePrint Arch., 2019

Instance Complexity and Unlabeled Certificates in the Decision Tree Model.

Tomer Grossman, Ilan Komargodski, Moni Naor

Electron. Colloquium Comput. Complex., 2019

2018

Leakage resilient one-way functions: The auxiliary-input setting.

Ilan Komargodski

Theor. Comput. Sci., 2018

Functional Encryption for Randomized Functionalities in the Private-Key Setting from Minimal Assumptions.

Ilan Komargodski, Gil Segev, Eylon Yogev

J. Cryptol., 2018

Multi-input Functional Encryption in the Private-Key Setting: Stronger Security from Weaker Assumptions.

Zvika Brakerski, Ilan Komargodski, Gil Segev

J. Cryptol., 2018

Cutting-edge cryptography through the lens of secret sharing.

Ilan Komargodski, Mark Zhandry

Inf. Comput., 2018

On Distributional Collision Resistant Hashing.

Ilan Komargodski, Eylon Yogev

IACR Cryptol. ePrint Arch., 2018

Another Step Towards Realizing Random Oracles: Non-Malleable Point Obfuscation.

Ilan Komargodski, Eylon Yogev

IACR Cryptol. ePrint Arch., 2018

OptORAMa: Optimal Oblivious RAM.

Gilad Asharov, Ilan Komargodski, Wei-Kai Lin, Kartik Nayak, Elaine Shi

IACR Cryptol. ePrint Arch., 2018

A Lower Bound for Adaptively-Secure Collective Coin-Flipping Protocols.

Ilan Komargodski, Ran Raz, Yael Tauman Kalai

Electron. Colloquium Comput. Complex., 2018

Communication with Contextual Uncertainty.

Badih Ghazi, Ilan Komargodski, Pravesh K. Kothari, Madhu Sudan

Comput. Complex., 2018

2017

Negation-limited formulas.

Siyao Guo, Ilan Komargodski

Theor. Comput. Sci., 2017

Improved Average-Case Lower Bounds for De Morgan Formula Size: Matching Worst-Case Lower Bound.

Ilan Komargodski, Ran Raz, Avishay Tal

SIAM J. Comput., 2017

Secret-Sharing for NP.

Ilan Komargodski, Moni Naor, Eylon Yogev

J. Cryptol., 2017

Evolving Secret Sharing: Dynamic Thresholds and Robustness.

Ilan Komargodski, Anat Paskin-Cherniavsky

IACR Cryptol. ePrint Arch., 2017

Collision Resistant Hashing for Paranoids: Dealing with Multiple Collisions.

Ilan Komargodski, Moni Naor, Eylon Yogev

IACR Cryptol. ePrint Arch., 2017

Be Adaptive, Avoid Overcommitting.

Zahra Jafargholi, Chethan Kamath, Karen Klein, Ilan Komargodski, Krzysztof Pietrzak, Daniel Wichs

IACR Cryptol. ePrint Arch., 2017

Non-Interactive Multiparty Computation without Correlated Randomness.

Shai Halevi, Yuval Ishai, Abhishek Jain, Ilan Komargodski, Amit Sahai, Eylon Yogev

IACR Cryptol. ePrint Arch., 2017

Non-Trivial Witness Encryption and Null-iO from Standard Assumptions.

Zvika Brakerski, Aayush Jain, Ilan Komargodski, Alain Passelègue, Daniel Wichs

IACR Cryptol. ePrint Arch., 2017

White-Box vs. Black-Box Complexity of Search Problems: Ramsey and Graph Property Testing.

Ilan Komargodski, Moni Naor, Eylon Yogev

Electron. Colloquium Comput. Complex., 2017

Limits on Low-Degree Pseudorandom Generators (Or: Sum-of-Squares Meets Program Obfuscation).

Boaz Barak, Zvika Brakerski, Ilan Komargodski, Pravesh Kothari

Electron. Colloquium Comput. Complex., 2017

2016

How to Share a Secret, Infinitely.

Ilan Komargodski, Moni Naor, Eylon Yogev

Electron. Colloquium Comput. Complex., 2016

Threshold Secret Sharing Requires a Linear Size Alphabet.

Andrej Bogdanov, Siyao Guo, Ilan Komargodski

Electron. Colloquium Comput. Complex., 2016

2015

Modern Cryptography Through the Lens of Secret Sharing.

Ilan Komargodski, Mark Zhandry

IACR Cryptol. ePrint Arch., 2015

From Single-Input to Multi-Input Functional Encryption in the Private-Key Setting.

Zvika Brakerski, Ilan Komargodski, Gil Segev

IACR Cryptol. ePrint Arch., 2015

Communication with Contextual Uncertainty.

Ilan Komargodski, Pravesh Kothari, Madhu Sudan

Electron. Colloquium Comput. Complex., 2015

Compressing Communication in Distributed Protocols.

Yael Tauman Kalai, Ilan Komargodski

Electron. Colloquium Comput. Complex., 2015

2014

Secret-Sharing for NP from Indistinguishability Obfuscation.

Ilan Komargodski, Moni Naor, Eylon Yogev

IACR Cryptol. ePrint Arch., 2014

Strong Locally Testable Codes with Relaxed Local Decoders.

Oded Goldreich, Tom Gur, Ilan Komargodski

Electron. Colloquium Comput. Complex., 2014

2013

Improved Average-Case Lower Bounds for DeMorgan Formula Size.

Ilan Komargodski, Ran Raz, Avishay Tal

Electron. Colloquium Comput. Complex., 2013

2012

Average-Case Lower Bounds for Formula Size.

Ilan Komargodski, Ran Raz

Electron. Colloquium Comput. Complex., 2012

The Spectrum of Small DeMorgan Formulas.

Anat Ganor, Ilan Komargodski, Ran Raz

Electron. Colloquium Comput. Complex., 2012

Hardness Preserving Reductions via Cuckoo Hashing.

Itay Berman, Iftach Haitner, Ilan Komargodski, Moni Naor

Electron. Colloquium Comput. Complex., 2012