Security Research Group at IISc BangaloreRecent PublicationsThe following are recent research publications from various labs that are part of the security research group. 2024
Asterisk: Super-fast MPC with a Friend
Banashri Karmakar, Nishat Koti, Arpita Patra, Sikhar Patranabis, Protik Paul, Divya Ravi IEEE S&P 2024
Decentralized Information-Flow Control for ROS2
Nishit V. Pandya, Himanshu Kumar, Gokulnath M. Pillai and Vinod Ganapathy NDSS 2024
Privadome: A Framework for Citizen Privacy in the Delivery Drone Era
Gokulnath Pillai, Eikansh Gupta, Ajith Suresh, Vinod Ganapathy, Arpita Patra PoPETs 2024 2023
Vogue: Faster Computation of Private Heavy Hitters
Pranav Jangir, Nishat Koti, Varsha Bhat Kukkala, Arpita Patra, Bhavish Raj Gopal, Somya Sangal IEEE Transactions on Dependable and Secure Computing
MPClan: Protocol Suite for Privacy-Conscious Computations
Nishat Koti, Shravani Patil, Arpita Patra, Ajith Suresh Journal of Cryptology
A Contributory Public-Event Recording and Querying System
Arun Joseph, Nikita Yadav, Vinod Ganapathy, and Dushyant Behl SEC 2023
Beyond Honest Majority: The Round Complexity of Fair and Robust Multi-party Computation
Arpita Patra, Divya Ravi Journal of Cryptology
Ruffle: Rapid 3-Party Shuffle Protocols
Pranav Shriram A, Nishat Koti, Varsha Bhat Kukkala, Arpita Patra, Bhavish Raj Gopal, Somya Sangal PoPETs 2023
The Round Complexity of Statistical MPC with Optimal Resiliency
Benny Applebaum, Eliran Kachlon, Arpita Patra STOC 2023
Detect, Pack and Batch: Perfectly-Secure MPC with Linear Communication and Constant Expected Time
Ittai Abraham, Gilad Asharov, Shravani Patil, Arpita Patra EUROCRYPT 2023
Whole-Program Control-Flow Path Attestation
Nikita Yadav and Vinod Ganapathy CCS 2023
Shield: Secure Allegation Escrow System with Stronger Guarantees
Nishat Koti, Varsha Bhat Kukkala, Arpita Patra, Bhavish Raj Gopal WWW 2023
On the Communication Efficiency of Statistically-Secure Asynchronous MPC
Ashish Choudhury, Arpita Patra Journal of Cryptology
Data Protection in Permissioned Blockchains using Privilege Separation
Arun Joseph, Nikita Yadav, Vinod Ganapathy, Dushyant Behl, Praveen Jayachandran COMSNETS 2023
Find Thy Neighbourhood: Privacy-Preserving Local Clustering
Pranav Shriram A, Nishat Koti, Varsha Bhat Kukkala, Arpita Patra, Bhavish Raj Gopal PoPETs 2023 2022
Secure Auctions in the Presence of Rational Adversaries
Chaya Ganesh, Bhavana Kanukurthi, Girisha Shankar CCS 2022
Rate One-Third Non-malleable Codes
Divesh Aggarwal, Sai Lakshmi Bhavana Obbattu, Maciej Obremski, Sruthi Sekar STOC 2022
Round-optimal Honest-majority MPC in Minicrypt and with Everlasting Security
Benny Applebaum, Eliran Kachlon, Arpita Patra TCC 2022
Asymptotically Free Broadcast in Constant Expected Time via Packed VSS
Ittai Abraham, Gilad Asharov, Shravani Patil, Arpita Patra TCC 2022
Fully-Secure MPC with Minimal Trust
Yuval Ishai, Arpita Patra, Sikhar Patranabis, Divya Ravi, Akshayaram Srinivasan TCC 2022
Perfectly Secure Two-Party Computation for Symmetric Functionalities with Correlated Randomness
Bar Alon, Olga Nissenbaum, Eran Omri, Anat Paskin-Cherniavsky, Arpita Patra TCC 2022
What Makes Fiat-Shamir zkSNARKs (Updatable SRS) Simulation Extractable?
Chaya Ganesh, Hamidreza Khoshakhlagh, Markulf Kohlweiss, Anca Nitulescu, Michal Zajac SCN 2022
Attaining GOD Beyond Honest Majority with Friends and Foes
Aditya Hedge, Nishat Koti, Varsha Bhat Kukkala, Shravani Patil, Arpita Patra, Protik Paul ASIACRYPT 2022
NIWI and New Notions of Extraction for Algebraic Languages
Chaya Ganesh, Hamidreza Khoshakhlagh, Roberto Parisella SCN 2022
Fiat–Shamir Bulletproofs are Non-Malleable (in the Algebraic Group Model)
Chaya Ganesh, Claudio Orlandi, Mahak Pancholi, Akira Takahashi, Daniel Tschudi Eurocrypt 2022
ECLIPSE: Enhanced Compiling method for Pedersen-committed zkSNARK Engines
Diego F. Aranha, Emil Madsen Bennedsen, Matteo Campanelli, Chaya Ganesh, Claudio Orlandi, Akira Takahashi PKC 2022
Achieving Almost All Blockchain Functionalities with Polylogarithmic Storage (*)
Parikshit Hegde, Robert Streit, Yanni Georghiades, Chaya Ganesh, Sriram Vishwanath FC 2022
Verifiable Relation Sharing and Multi-Verifier Zero-Knowledge in Two Rounds: Trading NIZKs with Honest Majority
Benny Applebaum, Eliran Kachlon, Arpita Patra CRYPTO 2022
Quadratic Multiparty Randomized Encodings Beyond Honest Majority and Their Applications
Benny Applebaum, Yuval Ishai, Orr Karni, Arpita Patra CRYPTO 2022
PentaGOD: Stepping beyond traditional GOD with five parties
Nishat Koti, Varsha Bhat Kukkala, Bhavish Rajgopal, Arpita Patra ACM CCS 2022
How to prove any NP statement jointly? Efficient Distributed-prover Zero-Knowledge Protocols
Pankaj Dayama, Arpita Patra, Protik Paul, Nitin Singh, Dhinakaran Vinayagamurthy PoPETS 2022
Tetrad: Actively Secure 4PC for Secure Training and Inference
Nishat Koti, Arpita Patra, Rahul Rachuri, Ajith Suresh NDSS 2022 2021
Adaptive extractors and their Application to Leakage Resilient Secret Sharing
Nishanth Chandran, OSL Bhavana and Sruthi Sekar Crypto 2021
Locally Reconstuctible Non-malleable Secret Sharing
Sai Lakshmi Bhavana Obbattu, Sruthi Sekar and Jenit Tomy ITC 2021
Faastlane: Accelerating Function-as-a-Service Workflows
Swaroop Kotni, Ajay Ashok Nayak, Vinod Ganapathy, and Arkaprava Basu USENIX ATC 2021
SynCirc: Efficient Synthesis of Depth-Optimized Circuits for Secure Computation
Arpita Patra, Thomas Schneider, Ajith Suresh, Hossein Yalame IEEE HOST 2021
MPCLeague: Robust and Efficient Mixed-protocol Framework for 4-party Computation
Nishat Koti, Arpita Patra and Ajith Suresh IEEE S&P 2021 (Poster), DPML'21 (ICLR Workshop 2021)
Three-Round Secure Multiparty Computation from Black-Box Two-Round Oblivious Transfer
Arpita Patra, Akshayaram Srinivasan (TIFR) CRYPTO 2021
On the Exact Round complexity of Secure Three-party Computation
Arpita Patra, Divya Ravi Journal of Cryptology (Full and extended version of CRYPTO'18)
(Mis)managed: A Novel TLB-based Covert Channel on GPUs
Ajay Ashok Nayak, B. Pratheek, Vinod Ganapathy, and Arkaprava Basu AsiaCCS 2021
SWIFT: Super-fast and Robust Privacy-Preserving Machine Learning
Nishat Koti, Mahak Pancholi, Arpita Patra, Ajith Suresh Usenix Security Symposium 2021
ABY2.0: Improved Mixed-Protocol Secure Two-Party Computation
Arpita Patra, Thomas Schneider, Ajith Suresh and Hossein Yalame Usenix Security Symposium 2021 2020
SGXL: Security and Performance for Enclaves using Large Pages
Sujay Yadalam, Vinod Ganapathy, and Arkaprava Basu TACO 2020
Privaros: A Framework for Privacy-Compliant Delivery Drones
Rakesh Rajan Beck, Abhishek Vijeev, and Vinod Ganapathy CCS 2020
The Resiliency of MPC with Low Interaction: The Benefit of Making Errors
Benny Applebaum, Eliran Kachlon and Arpita Patra TCC 2020
An Evaluation of Methods to Port Legacy Code to SGX Enclaves
Kripa Shanker, Arun Joseph, and Vinod Ganapathy FSE 2020
On the Exact Round Complexity of Best-of-both-Worlds Multi-party Computation
Arpita Patra, Divya Ravi, and Swati Singla ASIACRYPT 2020
The Round Complexity of Perfect MPC with Active Security and Optimal Resiliency
Benny Applebaum, Eliran Kachlon, and Arpita Patra FOCS 2020
Optimal Extension Protocols for Byzantine Broadcast and Agreement
Chaya Ganesh, and Arpita Patra Distributed Computing (Full and extended version of PODC'16 and OPODIS'11)
The Power of Shunning: Efficient Asynchronous Byzantine Agreement Revisited
Laasya Bangalore, Ashish Choudhury, and Arpita Patra Journal of ACM (JACM)(Full and extended version of PODC'18)
BLAZE: Blazing Fast Privacy-Preserving Machine Learning
Arpita Patra, and Ajith Suresh NDSS 2020
FLASH: Fast and Robust Framework for Privacy-preserving Machine Learning
Megha Byali, Harsh Chaudhari, Arpita Patra, and Ajith Suresh PETS 2020
Trident: Efficient 4PC Framework for Privacy Preserving Machine Learning
Harsh Chaudhari, Rahul Rachuri, and Ajith Suresh NDSS 2020
ActiveThief: Model Extraction using Active Learning and Unannotated Public Data
Soham Pal, Yash Gupta, Aditya Shukla, Aditya Kanade, Shirish Shevade, and Vinod Ganapathy AAAI 2020 2019
Privacy Amplification from Non-malleable Codes
Eshan Chattopadhyay, Bhavana Kanukurthi, Sai Lakshmi Bhavana Obbattu, Sruthi Sekar Indocrypt 2019
Regulating Drones in Restricted Spaces
Abhishek Vijeev, Vinod Ganapathy and Chiranjib Bhattacharyya HotMobile 2019
Beyond Honest Majority: The Round Complexity of Fair and Robust Multi-party Computation
Arpita Patra and Divya Ravi Asiacrypt 2019
ASTRA: High Throughput 3PC over Rings with Application to Secure Prediction
Harsh Chaudhari, Ashish Choudhury, Arpita Patra and Ajith Suresh ACM CCSW 2019, PPML 2019
Fast Actively-Secure 5-Party Computation with Security Beyond Abort
Megha Byali, Carmit Hazay, Arpita Patra and Swati Singla ACM CCS 2019 2018
Secure, Consistent, and High-Performance Memory Snapshotting
Guilherme Cox, Zi Yan, Abhishek Bhattacharjee and Vinod Ganapathy CODASPY 2018
Fast Secure Computation for Small Population over the Internet
Megha Byali, Arun Joseph, Arpita Patra and Divya Ravi ACM CCS 2018
On the Exact Round complexity of Secure Three-party Computation
Arpita Patra and Divya Ravi CRYPTO 2018
Almost-Surely Terminating Asynchronous Byzantine Agreement Revisited
Laasya Bangalore, Ashish Choudhury and Arpita Patra PODC 2018
Non-malleable Randomness Encoders and their Applications
Bhavana Kanukurthi, Sai Lakshmi Bhavana Obbattu and Sruthi Sekar Eurocrypt 2018
On the power of Hybrid Networks in Multi-party Computation
Arpita Patra and Divya Ravi IEEE Transactions on Information Theory 2018
Crash-Tolerant Consensus in Directed Graph Revisited
Ashish Choudhury, Gayathri Garimella, Arpita Patra, Divya Ravi and Pratik Sarkar SIROCCO 2018
Efficient Adaptively Secure Zero-knowledge from Garbled Circuits
Chaya Ganesh, Yashvanth Kondi, Arpita Patra and Pratik Sarkar PKC 2018 2017
Four-state Non-malleable Codes with Explicit Constant Rate
Bhavana Kanukurthi, Sai Lakshmi Bhavana Obbattu and Sruthi Sekar TCC 2017
Privacy-Free Garbled Circuits for Formulas: Size Zero and Information-Theoretic
Yashvanth Kondi and Arpita Patra CRYPTO 2017
Fast Actively Secure OT Extension for Short Secrets
Arpita Patra, Pratik Sarkar and Ajith Suresh NDSS 2017
Round and Communication Efficient Unconditionally-secure MPC with t < n/3 in Partially Synchronous Network
Ashish Choudhury, Arpita Patra and Divya Ravi ICITS 2017
Compiler Optimizations with Retrofitting Transformations: Is there a Semantic Mismatch?
Jay P. Lim, Vinod Ganapathy and Santosh Nagarakatte PLAS 2017
Avoiding TLB shootdown with self-invalidating TLB entries
Amro Awad, Arkaprava Basu , Sergey Blagodurov, Yan Solihin, Gabriel H. Loh PACT 2017
EnGarde: Mutually-Trusted Inspection of SGX Enclaves
Hai Nguyen and Vinod Ganapathy ICDCS 2017 |