Srinath Setty

PIR with compressed queries and amortized query processing.

2017 · IACR Cryptology ePrint Archive

Private information retrieval (PIR) is a key building block in many privacy-preserving systems. Unfortunately, existing constructions remain very expensive. This paper introduces two techniques that make the computational variant of PIR (CPIR) more efficient in …

Enterprise AI Must Enforce Participant-Aware Access Control

2025 · arXiv (Cornell University)

Large language models (LLMs) are increasingly deployed in enterprise settings where they interact with multiple users and are trained or fine-tuned on sensitive internal data. While fine-tuning enhances performance by internalizing domain knowledge, it also …