# Questions tagged [multiparty-computation]

Multi-party computation (MPC) allows a set of parties, each with a private input, to securely and jointly perform any computation over their inputs.

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### Understanding multiplication of Shamir secret sharing during threshold (EC)DSA signing

I have been looking at the threshold (EC)DSA schemes for honest majority by Gennaro et al. https://www.sciencedirect.com/science/article/pii/S0890540100928815. In the scheme, there are steps where we ...
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### Constructing efficient zero knowledge proof card game

I had asked an unanswered question earlier and now, I think I have an answer (sort of), not really but I think I know where to look for it. We assign each type of card combination a score such that a ...
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### May it be possible that the trusted third party knows the parties' private keys in an "ideal model" of a Secure multiparty computation protocol?

May it be possible that the trusted third party knows the parties' private keys in an “ideal model” of a Secure multiparty computation protocol? I wonder if it may be possible that a trusted third ...