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Paper: Cryptanalysis of Qiu-Gu-Chen Variant Group Signature Scheme

Authors:
Zhengjun Cao
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URL: http://eprint.iacr.org/2004/326
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Abstract: Qiu et al. proposed a variant group signature scheme in [1]. We find that the group manager can successfully forge signature because he has absolute predominance in Join Phase.
BibTeX
@misc{eprint-2004-12291,
  title={Cryptanalysis of Qiu-Gu-Chen  Variant Group Signature Scheme},
  booktitle={IACR Eprint archive},
  keywords={cryptographic protocols / group  signature scheme, forgeability},
  url={http://eprint.iacr.org/2004/326},
  note={ zjcamss@hotmail.com 12746 received 23 Nov 2004},
  author={Zhengjun Cao},
  year=2004
}