Modification of Multisignature Schemes Based on Meta-El Gamal
Lu Rong · Journal of Jishou University · 2003
This paper shows the security flaw which extends from the multisignature scheme based on Meta-El Gamal,i.e.,the attackers can deny having taken part in the process of signing some message with others.A modification is made for these schemes' key generations,which can efficiently avoid this attack.