Sciweavers

266 search results - page 24 / 54
» Tracing-by-Linking Group Signatures
Sort
View
CRYPTO
2001
Springer
162views Cryptology» more  CRYPTO 2001»
14 years 3 months ago
New Public Key Cryptosystem Using Finite Non Abelian Groups
Most public key cryptosystems have been constructed based on abelian groups up to now. We propose a new public key cryptosystem built on finite non abelian groups in this paper. I...
Seong-Hun Paeng, Kil-Chan Ha, Jae Heon Kim, Seongt...
ICALP
2007
Springer
14 years 5 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
EUROCRYPT
2004
Springer
14 years 2 months ago
Anonymous Identification in Ad Hoc Groups
We introduce Ad Hoc Anonymous Identification schemes, a new multi-user cryptographic primitive that allows participants from a user population to form ad hoc groups, and then prove...
Yevgeniy Dodis, Aggelos Kiayias, Antonio Nicolosi,...
ISPEC
2005
Springer
14 years 4 months ago
Short Linkable Ring Signatures for E-Voting, E-Cash and Attestation
Abstract. A ring signature scheme can be viewed as a group signature scheme with no anonymity revocation and with simple group setup. A linkable ring signature (LRS) scheme additio...
Patrick P. Tsang, Victor K. Wei
ECSCW
2007
14 years 12 days ago
Bringing Round-Robin Signature to Computer-Mediated Communication
In computer-mediated group communication, anonymity enables participants to post controversial comments without risking accusations of improper behavior. While this may encourage m...
Takeshi Nishida, Takeo Igarashi