Abstract:
We show that the improved group signature (Yuh-Min Tseng and Jinn-ke Jan, Electron. Lett., vol.35, no.16, p.1324, 1999) has an essential flaw: universal forgery. An adver...Show MoreMetadata
Abstract:
We show that the improved group signature (Yuh-Min Tseng and Jinn-ke Jan, Electron. Lett., vol.35, no.16, p.1324, 1999) has an essential flaw: universal forgery. An adversary can forge a group membership certificate to sign any message without being traced by the group manager.
Date of Conference: 31 March 2003 - 04 April 2003
Date Added to IEEE Xplore: 04 August 2003
Print ISBN:0-7803-7799-0