no code implementations • 5 Dec 2019 • Harsh Chaudhari, Ashish Choudhury, Arpita Patra, Ajith Suresh
In this work, we present concretely-efficient protocols for secure $3$-party computation (3PC) over a ring of integers modulo $2^{\ell}$ tolerating one corruption, both with semi-honest and malicious security.
no code implementations • 18 May 2020 • Arpita Patra, Ajith Suresh
This motivated the area of Privacy-preserving Machine Learning (PPML) where privacy of the data is guaranteed.
no code implementations • 20 May 2020 • Nishat Koti, Mahak Pancholi, Arpita Patra, Ajith Suresh
In this work, we propose SWIFT, a robust PPML framework for a range of ML algorithms in SOC setting, that guarantees output delivery to the users irrespective of any adversarial behaviour.
no code implementations • 5 Jun 2021 • Nishat Koti, Arpita Patra, Rahul Rachuri, Ajith Suresh
A key feature of Tetrad is that robustness comes for free over fair protocols.
no code implementations • 24 Jun 2022 • Nishat Koti, Shravani Patil, Arpita Patra, Ajith Suresh
In addition to having an improved online communication cost, we can shut down almost half of the parties in the online phase, thereby saving up to 50% in the system's operational costs.