Perfectly-Secure Synchronous MPC with Asynchronous Fallback Guarantees. (arXiv:2201.12194v2 [cs.CR] UPDATED)

Secure multi-party computation (MPC) is a fundamental problem in secure
distributed computing. An MPC protocol allows a set of $n$ mutually distrusting
parties to carry out any joint computation of their private inputs, without
disclosing any additional information about their inputs. MPC with
information-theoretic security provides the strongest security guarantees and
remains secure even against computationally unbounded adversaries.
Perfectly-secure MPC protocols is a class of information-theoretically secure
MPC protocols, which provides all the security guarantees in an error-free
fashion. The …