Quantum Cryptography | Cryptographic Proofs | Non-Malleable Cryptography | Round-Efficient MPC | Information-Theoretic Cryptography | Obfuscation
Quantum and Post-Quantum Cryptography.
- Cryptography with Certified Deletion
with James Bartusek. (QIP 2023, merged with the work below) - Blind Delegation with Certified Deletion
with James Bartusek, Sanjam Garg and Bhaskar Roberts. (QIP 2023, talk merged with the work above)
Link to an updated version, with James Bartusek, Sanjam Garg, Vipul Goyal, Giulio Malavolta, Justin Raizes and Bhaskar Robers. - A New Framework for Quantum Oblivious Transfer
with Amit Agarwal, James Bartusek and Nishant Kumar. - One-way Functions imply Secure Computation in a Quantum World
with James Bartusek, Andrea Coladangelo and Fermi Ma. (CRYPTO 2021, QIP 2021 - Long Plenary Talk, QCrypt 2021 - Invited Talk, both joint with GLSV) - On the Round Complexity of Secure Quantum Computation
with James Bartusek, Andrea Coladangelo and Fermi Ma. (CRYPTO 2021, QIP 2021, QCrypt 2021) - Post-Quantum Multi-Party Computation
with Amit Agarwal, James Bartusek, Vipul Goyal and Giulio Malavolta. (EUROCRYPT 2021)
Succinct (and/or) Zero-Knowledge Cryptographic Proof Systems, and their Applications.
- SNARGs for P from Sub-exponential DDH and QR
with James Hulett, Ruta Jawale and Akshayaram Srinivasan. (EUROCRYPT 2022) - SNARGs for Bounded Depth Computations and PPAD Hardness from Sub-Exponential LWE
with Ruta Jawale, Yael Kalai and Rachel Zhang. (STOC 2021)
Merge of [JK20] and [KZ20]. - Non-Interactive Distributional Indistinguishability and Non-Malleable Commitments
Dakshita Khurana. (EUROCRYPT 2021) - Compact Ring Signatures from Learning with Errors
with Rohit Chatterjee, Sanjam Garg, Mohammad Hajiabadi, Xiao Liang, Giulio Malavolta, Omkant Pandey and Sina Shiehian. (CRYPTO 2021) - Statistical ZAP Arguments
with Saikrishna Badrinarayanan, Rex Fernando, Aayush Jain and Amit Sahai. (EUROCRYPT 2020) - Weak Zero-Knowledge Beyond the Black-Box Barrier
with Nir Bitansky and Omer Paneth. (STOC 2019, Invited to the SICOMP Special Issue for STOC 2019) - Non-interactive Delegation for Low Space Non-Deterministic Computation
with Saikrishna Badrinarayanan, Yael Kalai, Amit Sahai and Daniel Wichs. (STOC 2018) - Statistical WI (and More) in Two Messages
with Yael Kalai and Amit Sahai. (EUROCRYPT 2018) - Promise Zero Knowledge and Applications to Round Optimal MPC
with Saikrishna Badrinarayanan, Vipul Goyal, Abhishek Jain, Yael Kalai and Amit Sahai. (CRYPTO 2018) - Round Optimal Black-Box ``Commit-and-Prove''
with Rafail Ostrovsky and Akshayaram Srinivasan. (TCC 2018) - Distinguisher-Dependent Simulation in 2 Rounds and Applications
with Abhishek Jain, Yael Kalai and Ron Rothblum. (CRYPTO 2017)
Non-Malleable Cryptography.
- On Non-Uniform Security for Black-Box Non-interactive CCA Commitments
with Rachit Garg, George Lu and Brent Waters (EUROCRYPT 2023) - COA-Secure Obfuscation and Applications
with Ran Canetti, Suvradip Chakraborty, Nishant Kumar, Oxana Poburinnaya and Manoj Prabhakaran. (EUROCRYPT 2022) - Black-box Non-Interactive Non-Malleable Commitments
with Rachit Garg, George Lu and Brent Waters. (EUROCRYPT 2021) - Non-Interactive Distributional Indistinguishability and Non-Malleable Commitments
Dakshita Khurana. (EUROCRYPT 2021) - Improved Computational Extractors and their Applications
with Akshayaram Srinivasan. (CRYPTO 2021) - On the CCA Compatibility of Public-Key Infrastructure
with Brent Waters. (PKC 2021) - Computational Extractors with Negligible Error in the CRS Model
with Ankit Garg and Yael Kalai. (EUROCRYPT 2020) - Non-interactive non-malleability from Quantum Supremacy
with Yael Kalai. (CRYPTO 2019) - How to Achieve Non-Malleability in One or Two Rounds
with Amit Sahai. (FOCS 2017, Invited to the SICOMP Special Issue for FOCS 2017) - Round Optimal Concurrent Non-Malleability from Polynomial Hardness
Dakshita Khurana. (TCC 2017) - Breaking the 3 Round Barrier for Non-Malleable Commitments
with Vipul Goyal and Amit Sahai. (FOCS 2016)
Round Efficient Multi-party Computation.
- Round Optimal Black-Box Protocol Compilers
with Yuval Ishai, Amit Sahai and Akshayaram Srinivasan. (EUROCRYPT 2022) - Round-Optimal Black-Box Secure Computation from Two-Round Malicious OT
with Yuval Ishai, Amit Sahai and Akshayaram Srinivasan. (TCC 2022) - Two-Round Maliciously Secure Computation with Super-Polynomial Simulation
with Amit Agarwal, James Bartusek, Vipul Goyal and Giulio Malavolta. (TCC 2021) - On the Round Complexity of Black-Box Secure MPC
with Yuval Ishai, Akshayaram Srinivasan and Amit Sahai. (CRYPTO 2021) - Post-Quantum Multi-Party Computation
with Amit Agarwal, James Bartusek, Vipul Goyal and Giulio Malavolta. (EUROCRYPT 2021) - On Statistical Security in Two Party Computation
with Muhammad Haris Mughees. (TCC 2020) - Promise Zero Knowledge and Applications to Round Optimal MPC
with Saikrishna Badrinarayanan, Vipul Goyal, Abhishek Jain, Yael Kalai and Amit Sahai. (CRYPTO 2018) - Round Optimal Concurrent MPC via Strong Simulation
with Saikrishna Badrinarayanan, Vipul Goyal, Abhishek Jain and Amit Sahai. (TCC 2017)
merged version of [BKS17] and [GJ17]
Questions in Information-Theoretic Cryptography.
- Revisiting the Dream XOR Lemma via Ideal Obfuscation and Resettable MPC
with Saikrishna Badrinarayanan, Yuval Ishai, Amit Sahai and Daniel Wichs. (ITC 2022) - New Feasibility Results in Unconditional UC-Secure Computation with (Malicious) PUFs
with Saikrishna Badrinarayanan, Rafail Ostrovsky and Ivan Visconti. (EUROCRYPT 2017) - All Complete Functionalities are Reversible
with Daniel Kraschewski, Hemanta Maji, Manoj Prabhakaran and Amit Sahai. (EUROCRYPT 2016) - Secure Computation from Elastic Noisy Channels
with Hemanta Maji and Amit Sahai. (EUROCRYPT 2016) - Do Distributed Differentially-Private Protocols Require Oblivious Transfer?
with Vipul Goyal, Ilya Mironov, Omkant Pandey and Amit Sahai. (ICALP 2016 - Track A) - Statistical Randomized Encodings: A Complexity Theoretic View
with Shweta Agarwal, Yuval Ishai and Anat Paskin-Cherniavsky. (ICALP 2015 - Track A) - Non-Malleable Multi-Prover Interactive Proofs and Witness Signatures
with Aayush Jain and Vipul Goyal. (Cryptology ePrint Archive 2015) - Black-Box Separations for Differentially Private Protocols
with Hemanta Maji and Amit Sahai. (ASIACRYPT 2014)
Applications of Program Obfuscation.
- Non-Interactive Distributional Indistinguishability and Non-Malleable Commitments
Dakshita Khurana. (EUROCRYPT 2021) - Upgrading to Functional Encryption
with Saikrishna Badrinarayanan, Amit Sahai and Brent Waters. (TCC 2018) - How to Generate and Use Universal Samplers
with Dennis Hofheinz, Tibor Jager, Amit Sahai, Brent Waters and Mark Zhandry. (ASIACRYPT 2016)
merged version of [HJZ14] and [KSW14] - Multi-Party Key Exchange for Unbounded Parties from Indistinguishability Obfuscation
with Vanishree Rao and Amit Sahai. (ASIACRYPT 2015)