143 search results - page 7 / 29 » A Formalization of Distributed Authorization with Delegation |
CCS
2009
ACM
14 years 9 months ago
2009
ACM
In a proxy re-encryption (PRE) scheme [4], a proxy, authorized by Alice, transforms messages encrypted under Alice's public key into encryptions under Bob's public key w...
INDOCRYPT
2004
Springer
14 years 1 months ago
2004
Springer
In a proxy signature scheme, a potential signer delegates his capabilities to a proxy signer, who can sign documents on behalf of him. The recipient of the signature verifies both...
ENTCS
2008
13 years 8 months ago
2008
This paper deals with privacy-preserving (pseudonymized) access to a service resource. In such a scenario, two opposite needs seem to emerge. On one side, the service provider may...
POLICY
2004
Springer
14 years 1 months ago
2004
Springer
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
JCS
2007
13 years 8 months ago
2007
Distributed authorization takes into account several elements, including certificates that may be provided by non-local actors. While most trust management systems treat all asse...