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《Journal of Beijing University of Technology》 2010-01
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A Method of User Revocation Using Authentication Tree of Group Signature

CAI Yong-quan,LIU Yan(College of Computer Science and Technology,Beijing University of Technology,Beijing 100124,China)  
In a static group signature scheme,users cannot revocate from the group.The focus of this paper is to design a new method to implement dynamic group signature. Firstly,it improves Merkle tree by designing a new dynamic 2-3 authentication tree by changing the node ingredients;then,it applies this improved authentication tree to implement group signature's revocation.Therefore,this 2-3 authentication tree is not only a dynamic authentication tree,but also can be used for dynamic group signature.
【CateGory Index】: TP393.08
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Chinese Journal Full-text Database 5 Hits
1 HUANG Ying-Chun;HE Liang-Sheng;JIANG Fan Department of Computer Scienee and Technology,University of Science and Technology of China,Hefei 230027 The State Key Laboratory of Information Security,Beijing 100039;An Improved Method of Certificate Revocation Based on 2-3 Tree[J];Computer Science;2005-06
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1 CAI Yong-quan,LIU Yan(College of Computer Science and Technology,Beijing University of Technology,Beijing 100124);An ID-based Group Signature Scheme Without Trusted PKG or Random Oracles[J];Acta Electronica Sinica;2009-S1
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