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cs.CR2026
Distributed Point Functions and Function Secret Sharing
Elette Boyle, Niv Gilboa, Yuval Ishai +1
A distributed point function (DPF) is a cryptographic primitive that enables compressed additive sharing of a secret weight-1 vector (equivalently, a point function) across two or…
cs.CR2026
Can Watermarking Techniques Help Prevent LLM Model Stealing?
Elette Boyle, MohammadTaghi Hajiaghayi, Keivan Rezaei +2
Model stealing attacks have recently been introduced, enabling the extraction of precise information from black-box commercial language models. In this work, we propose defense met…
cs.CR2023
Communication Lower Bounds for Cryptographic Broadcast Protocols
Erica Blum, Elette Boyle, Ran Cohen +1
Broadcast protocols enable a set of parties to agree on the input of a designated sender, even facing attacks by malicious parties. In the honest-majority setting, randomizatio…