On the Risk of Disruption in Several Multiparty Signature Schemes

@inproceedings{Michels1996OnTR,
  title={On the Risk of Disruption in Several Multiparty Signature Schemes},
  author={Markus Michels and Patrick Horster},
  booktitle={ASIACRYPT},
  year={1996}
}
Multiparty cryptography is an important topic in contemporary cryptography. In this paper we examine the security of some multi-party signature schemes. In particular, we point out that a multisignature scheme is vulnerable to universal forgery by an insider attacker under reasonable assumptions. This attack can be applied to some generalizations as well. Then we present a universal forgery attack on two threshold group signature schemes with anonymous signers. Furthermore, we show that in two… CONTINUE READING
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Group - oriented ( t , n ) threshold digital signature scheme and digital multisignature "

  • M. Michels, H. Petersen
  • IEE Proc .Comput . Digit . Tech .