Welcome to the resource topic for 2004/213
Title:
Cryptanalysis of Chang et al.'s Signature Scheme with Message Recovery
Authors: Fangguo Zhang
Abstract:Recently, Chang \textit{et al}. \cite{Chang} proposed a new
digital signature scheme with message recovery and claimed that
neither one-way hash functions nor message redundancy schemes were
employed in their scheme. However, in this letter, two forgery
attacks are proposed to show that Chang \textit{et al.}'s
signature scheme is not secure. To resist these attacks, the
message redundancy schemes may be still used.
ePrint: https://eprint.iacr.org/2004/213
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