55 search results - page 4 / 11 » On the Minimal Assumptions of Group Signature Schemes |
EUROCRYPT
2003
Springer
14 years 3 months ago
2003
Springer
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...
CCS
2001
ACM
14 years 2 months ago
2001
ACM
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...
PKC
2012
Springer
12 years 6 days ago
2012
Springer
We identify a potential weakness in the standard security model for dynamic group signatures which appears to have been overlooked previously. More specifically, we highlight tha...
ASIACRYPT
2004
Springer
14 years 1 months ago
2004
Springer
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...
CRYPTO
2011
Springer
12 years 9 months ago
2011
Springer
Structure-preserving signatures are signatures defined over bilinear groups that rely on generic group operations. In particular, the messages and signatures consist of group elem...