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Synchronous Perfectly Secure Message Transmission with Optimal Asynchronous Fallback Guarantees
Oct. 23, 2022, 12:54 p.m. |
IACR News www.iacr.org
ePrint Report: Synchronous Perfectly Secure Message Transmission with Optimal Asynchronous Fallback Guarantees
Giovanni Deligios, Chen-Da Liu-Zhang
Secure message transmission (SMT) constitutes a fundamental network-layer building block for distributed protocols over incomplete networks. More specifically, a sender $\mathbf{S}$ and a receiver $\mathbf{R}$ are connected via $\ell$ disjoint paths, of which at most $t$ paths are controlled by the adversary.
\emph{Perfectly-secure} SMT protocols in synchronous and asynchronous networks are resilient up to $\ell/2$ and $\ell/3$ corruptions respectively. In this work, we ask …
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