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cs.CR2022
Necessary Conditions in Multi-Server Differential Privacy
Albert Cheu, Chao Yan
We consider protocols where users communicate with multiple servers to perform a computation on the users' data. An adversary exerts semi-honest control over many of the parties bu…
cs.CR2021
Pure Differential Privacy from Secure Intermediaries
Albert Cheu, Chao Yan
Recent work in differential privacy has explored the prospect of combining local randomization with a secure intermediary. Specifically, there are a variety of protocols in the sec…