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Attacking M&M Collective Signature Scheme

Authors:
Michal Rjaško
Martin Stanek
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URL: http://eprint.iacr.org/2010/308
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Abstract: A collective signature scheme aims to solve the problem of signing a message by multiple signers. Recently, Moldovyan and Moldovyan [1] proposed a scheme for collective signatures based on Schnorr signatures. We show some security weaknesses of the scheme.
BibTeX
@misc{eprint-2010-23209,
  title={Attacking M&M Collective Signature Scheme},
  booktitle={IACR Eprint archive},
  keywords={public-key cryptography / Collective digital signatures},
  url={http://eprint.iacr.org/2010/308},
  note={ rjasko@dcs.fmph.uniba.sk 14753 received 24 May 2010, last revised 24 May 2010},
  author={Michal Rjaško and Martin Stanek},
  year=2010
}