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» Hierarchical Group Signatures
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SCN
2008
Springer
105views Communications» more  SCN 2008»
13 years 7 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
EUROCRYPT
2003
Springer
14 years 18 days ago
Extracting Group Signatures from Traitor Tracing Schemes
Abstract. Digital Signatures emerge naturally from Public-Key Encryption based on trapdoor permutations, and the “duality” of the two primitives was noted as early as Diffie-He...
Aggelos Kiayias, Moti Yung
CCS
2001
ACM
13 years 12 months ago
Practical forward secure group signature schemes
A group signature scheme allows a group member to sign messages anonymously on behalf of the group, while in case of a dispute, a designated entity can reveal the identity of a si...
Dawn Xiaodong Song
ACNS
2003
Springer
131views Cryptology» more  ACNS 2003»
14 years 18 days ago
On the Security of Two Threshold Signature Schemes with Traceable Signers
A (t, n) threshold signature scheme allows t or more group members to generate signatures on behalf of a group with n members, while any t−1 or less members cannot do the same th...
Guilin Wang, Xiaoxi Han, Bo Zhu
ACISP
2005
Springer
14 years 28 days ago
Group Signature Schemes with Membership Revocation for Large Groups
Group signature schemes with membership revocation have been intensively researched. However, signing and/or verification of some existing schemes have computational costs of O(R)...
Toru Nakanishi, Fumiaki Kubooka, Naoto Hamada, Nob...