985 search results - page 18 / 197 » On the validity of digital signatures |
CRYPTO
1989
Springer
14 years 25 days ago
1989
Springer
Abstract. In this paper, we provide a new approach to study undeniable signatures by translating secure digital signatures to secure undeniable signatures so that the existing algo...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
The concept of universal designated verifier signatures was introduced by Steinfeld, Bull, Wang and Pieprzyk at Asiacrypt 2003. These signatures can be used as standard publicly ve...
CRYPTO
2011
Springer
12 years 8 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...
CISC
2008
Springer
13 years 10 months ago
2008
Springer
One of the important applications of digital signature is anonymous credential or pseudonym system. In these scenarios, it is essential that the identity of the signer is kept secr...
ICISC
2003
13 years 10 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...