Paper 2004/236

Forgery Attacks on Chang et al.'s signature scheme with message recovery

FU Xiaotong, XU Chunxiang, and XIAO Guozhen

Abstract

It is found that Chang et al.'s signature scheme with message recovery is not as secure as they claimed, in fact. In this letter, two forgery attacks is proposed to show that the signature can be forged on any uncontrolled messages. To overcome these attacks, the one-way hash functions and the message redundancy schemes may be still used.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Published elsewhere. Unknown where it was published
Keywords
Digital signaturemessage recoverycryptanalysisforgery attack
Contact author(s)
xtfu @ mail xidian edu cn
History
2004-09-16: received
Short URL
https://ia.cr/2004/236
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2004/236,
      author = {FU Xiaotong and XU Chunxiang and XIAO Guozhen},
      title = {Forgery Attacks on Chang et al.'s signature scheme with message recovery},
      howpublished = {Cryptology ePrint Archive, Paper 2004/236},
      year = {2004},
      note = {\url{https://eprint.iacr.org/2004/236}},
      url = {https://eprint.iacr.org/2004/236}
}
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