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Teaching
See past teaching here.
Group
Publications
- Rohit Chatterjee, Xiao Liang, Omkant Pandey, Takashi Yamakawa
The Round Complexity of Black-Box Post-Quantum Secure Computation
CRYPTO 2025
- Xiao Liang, Omkant Pandey, Yuhao Tang, Takashi Yamakawa
Almost-Total Puzzles and Their Applications
ASIACRYPT 2025
- Vipul Goyal, Xiao Liang, Omkant Pandey, Yuhao Tang, Takashi Yamakawa
Round-Efficient Composable Two-Party Quantum Computation
ASIACRYPT 2025
- Xiao Liang, Omkant Pandey, Takashi Yamakawa
A New Approach to Post-Quantum Non-Malleability
FOCS 2023
- Sanjam Garg, Mohammad Hajiabadi, Abhishek Jain, Zhengzhong Jin, Omkant Pandey and Sina Shiehian
Credibility in Private Set Membership
PKC 2023
- Allen Kim, Xiao Liang, Omkant Pandey
A New Approach to Efficient Non-Malleable Zero-Knowledge
CRYPTO 2022
- Xiao Liang, Omkant Pandey
Towards a Unified Approach to Black-Box Constructions of Zero-Knowledge Proofs
CRYPTO 2021
- Rohit Chatterjee, Sanjam Garg, Mohammad Hajiabadi, Dakshita Khurana, Xiao Liang, Giulio Malavolta, Omkant Pandey, Sina Shiehian
Compact Ring Signatures from Learning With Errors
CRYPTO 2021
- Rohit Chatterjee, Xiao Liang, Omkant Pandey
Improved Black-Box Constructions of Composable Secure Computation
ICALP 2020
- Anand Aiyer, Xiao Liang, Nilu Nalini, Omkant Pandey
Random Walks and Concurrent Zero Knowledge
ACNS 2020
- Sanjam Garg, Xiao Liang, Omkant Pandey, Ivan Visconti
Black-Box Constructions of Bounded-Concurrent Secure Computation
SCN 2020
- Qian Zhou, Omkant Pandey, Fan Ye
Argus: Multi-Level Service Visibility Scoping for Internet-of-Things in Enterprise Environments
IPDPS 2020, IEEE Transactions on Mobile Computing 2022
- Max Curran, Xiao Liang, Himanshu Gupta, Omkant Pandey, Samir Das
ProCSA: Protecting Privacy in Crowdsourced Spectrum Allocation
ESORICS 2019
- Sanjam Garg, Susumu Kiyoshima, Omkant Pandey
A New Approach To Black-Box
Concurrent Secure Computation
EUROCRYPT 2018
- Sanjam Garg, Omkant Pandey
Incremental Program
Obfuscation
CRYPTO 2017
- Sanjam Garg, Susumu Kiyoshima,
Omkant Pandey
On the Exact Round Complexity of Self-Composable Two-Party Computation
EUROCRYPT 2017
- Sanjam Garg, Omkant Pandey,
Akshayaram Srinivasan, Mark Zhandry
Breaking
the Sub-Exponential Barrier in Obfustopia
EUROCRYPT 2017
- Sanjam Garg, Omkant Pandey,
Akshayaram Srinivasan
Revisiting the
Cryptographic Hardness of Finding a Nash Equilibrium
CRYPTO 2016
- Vipul Goyal, Omkant Pandey, Silas
Richelson
Textbook Non-Malleable
Commitments
STOC 2016
- Sanjam Garg, Pratyay Mukherjee,
Omkant Pandey, Antigoni Polychroniadou
The Exact Round
Complexity of Secure Computation
EUROCRYPT 2016
- Sanjam Garg, Divya Gupta, Peihan
Miao, Omkant Pandey
Secure Multiparty RAM
Computation in Constant Rounds
TCC 2016 (B)
- Divesh Aggarwal, Shashank Agrawal,
Divya Gupta, Hemanta K. Maji, Omkant Pandey, Manoj
Prabhakaran
Optimal Computational
Split-state Non-malleable Codes
TCC 2016 (A)
- Nishanth Chandran, Vipul Goyal,
Pratyay Mukherjee, Omkant Pandey, Jalaj Upadhyay
Blockwise
Non-malleable Codes
ICALP 2016
- Vipul Goyal, Dakshita Khurana, Ilya
Mironov, Omkant Pandey, Amit Sahai
Do Distributed
Differentially-Private Protocols Require Oblivious
Transfer?
ICALP 2016
- Venkata Koppula, Omkant Pandey,
Yannis Rouselakis, Brent Waters
Deterministic
Public-key Encryption under Continual Leakage
ACNS 2016
- Shashank Agrawal, Divya Gupta,
Hemanta K. Maji, Omkant Pandey, Manoj Prabhakaran
Explicit
Non-Malleable Codes against Bit-wise Tampering and
Permutations
CRYPTO 2015
- Yuval Ishai, Omkant Pandey, Amit
Sahai
Public-coin
Differing-inputs Obfuscation and Its Applications
TCC 2015
- Omkant Pandey, Manoj Prabhakaran,
Amit Sahai
Obfuscation-based
Non-black-box Simulation and Four Message Concurrent
Zero Knowledge for NP
TCC 2015
- Shashank Agrawal, Divya Gupta,
Hemanta K. Maji, Omkant Pandey, Manoj Prabhakaran
A Rate-Optimizing Compiler for Non-malleable
Codes Against Bit-wise Tampering and Permutations
TCC 2015
- Vipul Goyal, Huijia Lin, Omkant
Pandey, Rafael Pass, Amit Sahai
Round-Efficient
Concurrently Composable Secure Computation via a
Robust Extraction Lemma
TCC 2015
- Prabhanjan Ananth, Vipul
Goyal, Omkant Pandey
Interactive Proofs
under Continual Memory Leakage
CRYPTO 2014
- Omkant Pandey
Achieving Constant
Round Leakage-Resilient Zero-Knowledge
TCC 2014
- Omkant Pandey, Kim
Ramchen, Brent Waters
Relaxed Two-to-one
Recoding Schemes
SCN 2014
- Abhishek Jain, Omkant
Pandey
Non-Malleable Zero
Knowledge: Black-Box Constructions and Definitional
Relationships
SCN 2014
- Vipul Goyal, Ilya
Mironov, Omkant Pandey, Amit Sahai
Accuracy-Privacy Tradeoffs for Two-Party
Differentially-Private Protocols
CRYPTO 2013
- Abishek
Kumarasubramanian, Rafail Ostrovsky, Omkant Pandey,
Akshay Wadia
Cryptography Using
CAPTCHA Puzzles
PKC 2013
- Omkant Pandey, Yannis
Rouselakis
Property Preserving
Symmetric Encryption
EUROCRYPT 2012
A bug renders our original inner-product scheme insecure, but an alternative exists.
- Ilya Mironov, Omkant
Pandey, Omer Reingold, Gil Segev
Incremental
Deterministic Public-Key Encryption
EUROCRYPT 2012, Journal of Cryptology 2018
- Roy D'Souza, David Jao,
Ilya Mironov, Omkant Pandey
Publicly Verifiable
Secret Sharing for Cloud-Based Key Management
INDOCRYPT 2011
- Rafail Ostrovsky, Omkant Pandey,
Ivan Visconti
Efficiency
Preservering Transformations for Concurrent
Non-malleable Zero Knowledge
TCC 2010
- Ilya Mironov, Omkant Pandey, Omer
Reingold, Salil Vadhan
Computational
Differential Privacy
CRYPTO 2009, [Slides]
- Omkant Pandey, Rafael Pass, Vinod
Vaikuntanathan
Adaptive One-way
Functions and Applications
CRYPTO 2008
- Vipul Goyal, Abhishek Jain, Omkant
Pandey, Amit Sahai
Bounded Cipher-text
Policy Attribute Based Encryption
ICALP 2008
- Nishanth Chandran, Ryan Moriarty,
Rafail Ostrovsky, Omkant Pandey, Mohammad Ali Safari,
Amit Sahai
Improved Algorithms
for Optimal Embeddings
Transactions On Algorithms (TALG), 2008
- Omkant Pandey, Rafael Pass, Amit
Sahai, Wei-Lung Dustin Tseng, Muthuramakrishnan
Venkitasubramaniam
Precise Concurrent
Zero-Knowledge
EUROCRYPT 2008
- Rafail Ostrovsky, Omkant Pandey,
Amit Sahai
Private Locally
Decodable Codes
ICALP 2007
- Vipul Goyal, Omkant Pandey, Amit
Sahai, Brent Waters
Attribute Based
Encryption for Fine-Grained Access Control of
Encrypted Data
ACM CCS 2006 [Test-of-Time Award]
- Omkant Pandey, Julien Cathalo, Jean-Jacques Quisquater
Fair Identification
CT-RSA 2006
Service:
- Editorial Board:
Cryptography (MDPI Open Access Journal)
- PC Member:
PETS '26,
CRYPTO '25,
PKC '25,
CSCML '25,
PKC '24,
Crypto '23,
Eurocrypt '23,
Asiacrypt '22,
SCN '22,
PETS '22,
TCC '21,
PETS '21,
PKC'20,
Eurocrypt'17,
TCC'16,
PKC'16,
Indocrypt'15, ...
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