134 search results - page 24 / 27 » On the security of a convertible group signature scheme |
CCS
2008
ACM
13 years 9 months ago
2008
ACM
In 1998, Blaze, Bleumer, and Strauss suggested a cryptographic primitive termed proxy re-signature in which a proxy transforms a signature computed under Alice's secret key in...
JSAC
2011
13 years 2 months ago
2011
Abstract—In this paper, we propose a distributed key management framework based on group signature to provision privacy in vehicular ad hoc networks (VANETs). Distributed key man...
EUROCRYPT
2001
Springer
14 years 10 days ago
2001
Springer
Abstract. We show that finding an efficiently computable injective homomorphism from the XTR subgroup into the group of points over GF(p2 ) of a particular type of supersingular e...
ASIACRYPT
2001
Springer
13 years 11 months ago
2001
Springer
A Zero-knowledge protocol provides provably secure entity authentication based on a hard computational problem. Among many schemes proposed since 1984, the most practical rely on f...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
Multisignatures allow n signers to produce a short joint signature on a single message. Multisignatures were achieved in the plain model with a non-interactive protocol in groups ...