Paper 2004/262 Original: eprint.iacr.org/2004/262 ↗

Universal Forgeability of a Forward-Secure Blind Signature Scheme Proposed by Duc et al.

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.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Preprint.
History
2004-10-14: last updated
2004-10-14: published
Short URL
https://ia.cr/2004/262
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2004/262,
      author = {Lihua Liu and Zhengjun Cao},
      title = {Universal Forgeability of a Forward-Secure  Blind Signature Scheme Proposed by   Duc et al.},
      howpublished = {Cryptology {ePrint} Archive, Paper 2004/262},
      year = {2004},
      url = {https://eprint.iacr.org/2004/262}
}
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