Provably Unforgeable Threshold EdDSA with an Offline Participant and Trustless Setup

We present an EdDSA-compatible multi-party digital signature scheme that supports an offline participant during the key-generation phase, without relying on a trusted third party. Under standard assumptions, we prove our scheme secure against adaptive malicious adversaries. Using a classical game-ba...

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Bibliographic Details
Published in:	Mediterranean journal of mathematics Vol. 20; no. 5; p. 253
Main Authors:	Battagliola, Michele, Longo, Riccardo, Meneghetti, Alessio, Sala, Massimiliano
Format:	Journal Article
Language:	English
Published:	Cham Springer International Publishing 01.10.2023 Springer Nature B.V
Subjects:	Algorithms Collaboration Digital currencies Digital signatures Mathematics Mathematics and Statistics Protocol Resilience Trusted third parties 94A62 authentication and secret sharing 94A60 cryptography 12E20 finite fields Primary 94Axx 68Wxx 68w40 analysis of algorithms 14h52 elliptic curves Secondary 12Exx 14Hxx
ISSN:	1660-5446, 1660-5454
Online Access:	Get full text
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