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Blind signatures from Zero-knowledge arguments
Jan. 23, 2023, 3:18 p.m. |
IACR News www.iacr.org
ePrint Report: Blind signatures from Zero-knowledge arguments
Paulio L. Barreto, Gustavo H. M. Zanon
We propose a novel methodology to obtain $B$lind signatures that is fundamentally based on the idea of hiding part of the underlying plain signatures under a $Z$ero-knowledge argument of knowledge of the whole signature (hence the shorthand, $BZ$). Our proposal is necessarily non-black-box and stated in the random oracle model. We illustrate the technique by describing two instantiations: a classical setting based on the traditional discrete …
argument box eprint report ero knowledge non novel oracle random report signature signatures under
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