Introducing a Framework to Enable Anonymous Secure Multi-Party Computation in Practice (Extended Version)
Secure Multi-Party Computation (SMPC) allows a set of parties to securely compute a functionality in a distributed fashion without the need for any trusted external party. Usually, it is assumed that the parties know each other and have already established authenticated channels among each other. Ho...
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Main Authors | , , |
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Format | Journal Article |
Language | English |
Published |
03.11.2021
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Subjects | |
Online Access | Get full text |
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Summary: | Secure Multi-Party Computation (SMPC) allows a set of parties to securely
compute a functionality in a distributed fashion without the need for any
trusted external party. Usually, it is assumed that the parties know each other
and have already established authenticated channels among each other. However,
in practice the parties sometimes must stay anonymous. In this paper, we
conceptualize a framework that enables the repeated execution of an SMPC
protocol for a given functionality such that the parties can keep their
participation in the protocol executions private and at the same time be sure
that only authorized parties may take part in a protocol execution. We identify
the security properties that an implementation of our framework must meet and
introduce a first implementation of the framework that achieves these
properties. |
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DOI: | 10.48550/arxiv.2111.02269 |