July 20, 2022, 1:20 a.m. | Xin Lyu

cs.CR updates on arXiv.org arxiv.org

An interactive mechanism is an algorithm that stores a data set and answers
adaptively chosen queries to it. The mechanism is called differentially
private, if any adversary cannot distinguish whether a specific individual is
in the data set by interacting with the mechanism. We study composition
properties of differential privacy in concurrent compositions. In this setting,
an adversary interacts with k interactive mechanisms in parallel and can
interleave its queries to the mechanisms arbitrarily. Previously, [Vadhan and
Wang, TCC 2021] …

differential privacy privacy

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