134 search results - page 3 / 27 » On the security of a convertible group signature scheme |
ICICS
2007
Springer
14 years 6 days ago
2007
Springer
We propose a convertible undeniable signature scheme without random oracles. Our construction is based on the Waters signatures proposed in Eurocrypt 2005. The security of our sche...
ASIACRYPT
2006
Springer
13 years 9 months ago
2006
Springer
In this paper, we propose a new approach for constructing selectively convertible undeniable signature schemes, and present two efficient schemes based on RSA. Our approach allows ...
ASIACRYPT
2007
Springer
14 years 7 days ago
2007
Springer
We construct a new group signature scheme using bilinear groups. The group signature scheme is practical, both keys and group signatures consist of a constant number of group elem...
CSREASAM
2007
13 years 7 months ago
2007
A nominative signature scheme allows a nominator (or signer) and a nominee (or verifier) to jointly generate and publish a signature in such a way that only the nominee can verify...
ICICS
2003
Springer
13 years 11 months ago
2003
Springer
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 fashion. In case of a dispute, however, a des...