Abstract
We present a reactive MPC protocol built from FHE which is robust in the presence of active adversaries. In addition the protocol enables reduced bandwidth via means of transciphering, and also enables more expressive/efficient programs via means of a Declassify operation. All sub-components of the protocol can be efficiently realised using existing technology. We prove our protocol secure in the UC framework.
Cite
CITATION STYLE
Smart, N. P. (2024). Practical and Efficient FHE-Based MPC. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 14421 LNCS, pp. 263–283). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-031-47818-5_14
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