177 search results - page 14 / 36 » On the Security of Identity Based Ring Signcryption Schemes |
INFORMATICALT
2010
13 years 6 months ago
2010
Abstract. Delegation of rights is a common practice in the real world. We present two identitybased threshold proxy signature schemes, which allow an original signer to delegate he...
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...
CTRSA
2004
Springer
14 years 27 days ago
2004
Springer
Abstract. In this paper, we give a first example of identity based undeniable signature using pairings over elliptic curves. We extend to the identity based setting the security m...
JOC
2008
13 years 7 months ago
2008
We extend the concept of key encapsulation mechanisms to the primitives of ID-based and certificateless encryption. We show that the natural combination of ID-KEMs or CL-KEMs with ...
IJNSEC
2011
13 years 2 months ago
2011
Since Al-Riyami and Paterson presented certificateless cryptography, many certificateless schemes have been proposed for different purposes. In this paper, we present a certificate...