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Presentation

Optimizing honest majority threshold cryptosystems

November 4, 2020

Ivan Damgård - Aarhus University

Abstract: We review some ideas that allows optimizing threshold implementations of well-known cryptographic primitives with honest majority and security against malicious adversaries. Specifically, full-fledged zero-knowledge proofs of correct behavior are often not necessary and can be replaced by weaker primitives.

NIST Workshop on Multi-Party Threshold Schemes (MPTS) 2020. https://csrc.nist.rip/events/2020/mpts2020

Based on a paper with Kasper Dupont.

Talk 1a3: Optimizing honest majority threshold cryptosystems (PDF)

Talk 1a3: Optimizing honest majority threshold cryptosystems (Video)

Event Details

NIST Workshop on Multi-Party Threshold Schemes 2020

Starts:

November 04, 2020

Ends:

November 06, 2020

Optimizing honest majority threshold cryptosystems

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