101 search results - page 16 / 21 » Efficient Intrusion-Resilient Signatures Without Random Orac... |
CCS
2010
ACM
14 years 2 months ago
2010
ACM
In an attribute-based signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a signature attests not to...
PKC
2009
Springer
14 years 8 months ago
2009
Springer
We explore the security of blind signatures under aborts where the user or the signer may stop the interactive signature issue protocol prematurely. Several works on blind signatur...
PKC
1998
Springer
13 years 11 months ago
1998
Springer
The ElGamal encryption scheme has been proposed several years ago and is one of the few probabilistic encryption schemes. However, its security has never been concretely proven bas...
CRYPTO
2008
Springer
13 years 9 months ago
2008
Springer
Despite considerable research efforts, no efficient reduction from the discrete log problem to forging a discrete log based signature (e.g. Schnorr) is currently known. In fact, ne...
CCS
2001
ACM
14 years 26 min 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...