255 search results - page 46 / 51 » Security of Encryption Schemes in Weakened Random Oracle Mod... |
EUROPKI
2007
Springer
13 years 11 months ago
2007
Springer
Time Capsule Signature, first formalized by Dodis and Yum in Financial Cryptography 2005, is a digital signature scheme which allows a signature to bear a (future) time t so that t...
ICISC
2004
13 years 8 months ago
2004
In threshold ring signature schemes, any group of t entities spontaneously conscript arbitrarily n - t entities to generate a publicly verifiable t-out-of-n signature on behalf of ...
ATC
2007
Springer
14 years 1 months ago
2007
Springer
A proxy signature scheme allows an entity to delegate its signing capability to another entity (proxy) in such a way that the proxy can sign messages on behalf of the delegator. Pr...
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
We introduce the notion of hierarchical group signatures. This is a proper generalization of group signatures, which allows multiple group managers organized in a tree with the si...
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...