Welcome to the resource topic for 2004/262
Title:
Universal Forgeability of a Forward-Secure Blind Signature Scheme Proposed by Duc et al.
Authors: Lihua Liu, Zhengjun Cao
Abstract:Duc et al. proposed a forward-secure blind signature scheme
in [1]. They claimed that the scheme is constructed from the
provably secure Okamoto-Guilou-Quisquater blind signature
scheme. But we recently found that their scheme is insecure.
In the paper, we show the scheme is universally forgeable by
a simple and direct attack.
ePrint: https://eprint.iacr.org/2004/262
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