221 search results - page 31 / 45 » Delegation in Role-Based Access Control |
DBSEC
2009
14 years 1 days ago
2009
Abstract. We present a new access control mechanism for P2P networks with distributed enforcement, called P2P Access Control System (PACS). PACS enforces powerful access control mo...
SP
2007
IEEE
14 years 5 months ago
2007
IEEE
In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes. Currently, the only method for enforcing such...
SRDS
2003
IEEE
14 years 4 months ago
2003
IEEE
We demonstrate that symmetric-key cryptography can be used for both read and write access control. One-time write access can be granted by handing over an encryption key, and our ...
IADIS
2004
14 years 10 days ago
2004
With the growth in digital libraries and standardization of protocols for metadata sharing, it is becoming feasible to build federated discovery services which aggregate metadata ...
CLADE
2003
IEEE
14 years 4 months ago
2003
IEEE
As Grids are emerging as the next-generation computing platform, the need for Web-based portals that hide low level details of accessing Grid services for deployment and execution ...