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Extendable Threshold Ring Signatures with Enhanced Anonymity
Nov. 11, 2022, 8:18 p.m. |
IACR News www.iacr.org
ePrint Report: Extendable Threshold Ring Signatures with Enhanced Anonymity
Gennaro Avitabile, Vincenzo Botta, Dario Fiore
Threshold ring signatures are digital signatures that allow $t$ parties to sign a message while hiding their identity in a larger set of $n$ users called ''ring''.
Recently, Aranha et al. [PKC 2022] introduced the notion of \emph{extendable} threshold ring signatures (ETRS).
ETRS allow one to update, in a non-interactive manner, a threshold ring signature on a certain message so that the updated signature has …
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