Sciweavers

24 search results - page 1 / 5
» Group Signature Where Group Manager, Members and Open Author...
Sort
View
ACISP
2005
Springer
13 years 12 months ago
Group Signature Where Group Manager, Members and Open Authority Are Identity-Based
We present the first group signature scheme with provable security and signature size O(λ) bits where the group manager, the group members, and the Open Authority (OA) are all id...
Victor K. Wei, Tsz Hon Yuen, Fangguo Zhang
FC
2007
Springer
158views Cryptology» more  FC 2007»
14 years 17 days ago
Hidden Identity-Based Signatures
This paper introduces Hidden Identity-based Signatures (Hidden-IBS), a type of digital signatures that provide mediated signer-anonymity on top of Shamir’s Identity-based signat...
Aggelos Kiayias, Hong-Sheng Zhou
JSS
2002
96views more  JSS 2002»
13 years 6 months ago
A group signature scheme with strong separability
Group signatures, introduced by Chaum and van Heijst, allow members of a group to sign messages anonymously on behalf of the group. Only a designated group manager is able to iden...
Shundong Xia, Jinyuan You
ISW
1999
Springer
13 years 10 months ago
Cryptanalysis of Two Group Signature Schemes
Abstract. Group signature schemes allow a group member to anonymously sign on group’s behalf. Moreover, in case of anonymity misuse, a group authority can recover the issuer of a...
Marc Joye, Seungjoo Kim, Narn-Yih Lee
CIS
2005
Springer
13 years 12 months ago
On Anonymity of Group Signatures
A secure group signature is required to be anonymous, that is, given two group signatures generated by two different members on the same message or two group signatures generated ...
Sujing Zhou, Dongdai Lin