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» Tracing-by-Linking Group Signatures
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ASIACRYPT
2003
Springer
14 years 2 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
INFORMATICALT
2006
116views more  INFORMATICALT 2006»
13 years 11 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
INFORMATICALT
2000
93views more  INFORMATICALT 2000»
13 years 10 months ago
A Secure Nonrepudiable Threshold Proxy Signature Scheme with Known Signers
In the (t, n) proxy signature scheme, the signature, originally signed by a signer, can be signed by t or more proxy signers out of a proxy group of n members. Recently, an efficie...
Min-Shiang Hwang, Iuon-Chang Lin, Eric Jui-Lin Lu
ASIACRYPT
2004
Springer
14 years 2 months ago
Efficient and Provably Secure Trapdoor-Free Group Signature Schemes from Bilinear Pairings
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
Lan Nguyen, Reihaneh Safavi-Naini
CARDIS
2004
Springer
126views Hardware» more  CARDIS 2004»
14 years 4 months ago
Anonymous Services using Smart Cards and Cryptography
More and more services provided by Internet pose a problem of privacy and anonymity. One cryptographic tool that could be used for solving this problem is the group signature [1, 5...
Sébastien Canard, Jacques Traoré