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» On Anonymity of Group Signatures
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ASIACRYPT
2003
Springer
15 years 1 months ago
Efficient Group Signatures without Trapdoors
Abstract. Group signature schemes are fundamental cryptographic tools that enable unlinkably anonymous authentication, in the same fashion that digital signatures provide the basis...
Giuseppe Ateniese, Breno de Medeiros
ICC
2007
IEEE
169views Communications» more  ICC 2007»
15 years 3 months ago
Secure Vehicular Communications Based on Group Signature and ID-Based Signature Scheme
—Vehicular communication networking is a promising approach of facilitating road safety, traffic management, and infotainment dissemination for drivers and passengers. However, i...
Xiaoting Sun, Xiaodong Lin, Pin-Han Ho
CANS
2009
Springer
105views Cryptology» more  CANS 2009»
15 years 4 months ago
Transferable Constant-Size Fair E-Cash
We propose an efficient blind certification protocol with interesting properties. It falls in the Groth-Sahai framework for witness-indistinguishable proofs, thus extended to a ce...
Georg Fuchsbauer, David Pointcheval, Damien Vergna...
ICALP
2007
Springer
15 years 3 months ago
Ring Signatures of Sub-linear Size Without Random Oracles
Ring signatures, introduced by Rivest, Shamir and Tauman, enable a user to sign a message anonymously on behalf of a “ring”. A ring is a group of users, which includes the sign...
Nishanth Chandran, Jens Groth, Amit Sahai
FC
2008
Springer
94views Cryptology» more  FC 2008»
14 years 11 months ago
Fair Traceable Multi-Group Signatures
This paper presents fair traceable multi-group signatures (FTMGS), which have enhanced capabilities, compared to group and traceable signatures, that are important in real world sc...
Vicente Benjumea, Seung Geol Choi, Javier Lopez, M...