25 search results - page 3 / 5 » Identity-Based Proxy Re-encryption Without Random Oracles |
CRYPTO
2006
Springer
13 years 11 months ago
2006
Springer
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...
JISE
2008
13 years 7 months ago
2008
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...
ASIACRYPT
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. At Eurocrypt 2005, Waters presented an identity based encryption (IBE) protocol which is secure in the full model without random oracle. In this paper, we extend Waters&#...
INDOCRYPT
2007
Springer
14 years 1 months ago
2007
Springer
