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Paper 2004/213
Cryptanalysis of Chang et al.'s Signature Scheme with Message Recovery
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.
Metadata
- Available format(s)
- PDF PS
- Category
- Public-key cryptography
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- Digital signature with message recoverymessage redundancy schemesAttack
- Contact author(s)
- isdzhfg @ zsu edu cn
- History
- 2004-08-30: received
- Short URL
- https://ia.cr/2004/213
- License
-
CC BY