Web: http://arxiv.org/abs/2303.08865

March 17, 2023, 1:10 a.m. | Theodoros Kapourniotis, Elham Kashefi, Dominik Leichtle, Luka Music, Harold Ollivier

cs.CR updates on arXiv.org arxiv.org

Secure multi-party computation (SMPC) protocols allow several parties that
distrust each other to collectively compute a function on their inputs. In this
paper, we introduce a protocol that lifts classical SMPC to quantum SMPC in a
composably and statistically secure way, even for a single honest party. Unlike
previous quantum SMPC protocols, our proposal only requires very limited
quantum resources from all but one party; it suffices that the weak parties,
i.e. the clients, are able to prepare single-qubit states …

clients computation party quantum quantum secure

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