32 search results - page 2 / 7 » Security Remarks on a Group Signature Scheme with Member Del... |
ICISC
2003
13 years 6 months ago
2003
A group signature scheme allows a group member of a given group to sign messages on behalf of the group in an anonymous and unlinkable way. In case of a dispute, however, a design...
ASIACRYPT
2006
Springer
13 years 9 months ago
2006
Springer
The group signature scheme [1], ACJT for short, is popular. In this paper we show that it is not secure. It does not satisfy exculpability. The group manager can sign on behalf of ...
CCS
2001
ACM
13 years 9 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...
CIS
2005
Springer
13 years 10 months ago
2005
Springer
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 ...
INDOCRYPT
2003
Springer
13 years 10 months ago
2003
Springer
At Eurocrypt’91, Chaum and van Heyst introduced the concept of group signature. In such a scheme, each group member is allowed to sign messages on behalf of a group anonymously. ...