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» On Anonymity of Group Signatures
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76
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INFORMATICALT
2006
116views more  INFORMATICALT 2006»
14 years 9 months ago
An Electronic Cash System Based on Group Blind Signatures
One important requirement of electronic cash systems is the anonymity of customers. Unconditional anonymity is also very well suited to support criminals in blackmailing. Maitland ...
Constantin Popescu
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
2007
Springer
15 years 3 months ago
Identity-Committable Signatures and Their Extension to Group-Oriented Ring Signatures
The identity of “Deep Throat”, a pseudonym of the information source in the Watergate scandal, remained mysterious for more than three decades. In 2005, an ex-FBI official cla...
Cheng-Kang Chu, Wen-Guey Tzeng
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
79
Voted
CISC
2008
Springer
148views Cryptology» more  CISC 2008»
14 years 11 months ago
Publicly Verifiable Privacy-Preserving Group Decryption
Anonymity is one of the main concerns in group-oriented cryptography. However, most efforts, for instance, group signatures and ring signatures, are only made to provide anonymity ...
Bo Qin, Qianhong Wu, Willy Susilo, Yi Mu