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JCST
2007
98views more  JCST 2007»
14 years 9 months ago
Breaking and Repairing Trapdoor-Free Group Signature Schemes from Asiacrypt'2004
Group signature schemes allow a member of a group to sign messages anonymously on behalf of the group. In the case of later dispute, a designated group manager can revoke the anony...
Xinyi Huang, Willy Susilo, Yi Mu, Futai Zhang
ACISP
2003
Springer
15 years 1 months ago
Digital Signature Schemes with Restriction on Signing Capability
In some practical circumstances, the ability of a signer should be restricted. In group signature schemes, a group member may be allowed to generate signatures up to a certain numb...
Jung Yeon Hwang, Hyun-Jeong Kim, Dong Hoon Lee, Jo...
CTRSA
2005
Springer
221views Cryptology» more  CTRSA 2005»
15 years 3 months ago
Accumulators from Bilinear Pairings and Applications
We propose a dynamic accumulator scheme from bilinear pairings, whose security is based on the Strong Diffie-Hellman assumption. We show applications of this accumulator in constru...
Lan Nguyen
FC
1998
Springer
134views Cryptology» more  FC 1998»
15 years 2 months ago
Group Blind Digital Signatures: A Scalable Solution to Electronic Cash
In this paper we construct a practical group blind signature scheme. Our scheme combines the already existing notions of blind signatures and group signatures. It is an extension o...
Anna Lysyanskaya, Zulfikar Ramzan
SCN
2008
Springer
105views Communications» more  SCN 2008»
14 years 9 months ago
Expressive Subgroup Signatures
In this work, we propose a new generalization of the notion of group signatures, that allows signers to cover the entire spectrum from complete disclosure to complete anonymity. Pr...
Xavier Boyen, Cécile Delerablée