2008•Jisuanji gongcheng yu shejiRequires access
Flaw and improved scheme of group signature scheme based on RSA
Jiang Yan
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Abstract
Group signature has been positive regarded for its salient features since it is introduced as a special digital signature,however,forward security and dynamic member joining or deleting is not achieved yet in these schemes.A security flaw of a group signature scheme based on RSA signature scheme is described.And an improved scheme is proposed.The improved scheme is secure,forward and dynamic.