769 search results - page 121 / 154 » Policy Storage for Role-Based Access Control Systems |
HPDC
1998
IEEE
15 years 3 months ago
1998
IEEE
One of the most difficult problems to be solved by metacomputing systems is to ensure strong authentication and authorization. The problem is complicated since the hosts involved ...
AINA
2007
IEEE
15 years 5 months ago
2007
IEEE
We present a decentralized authorization architecture based on capabilities in which parties are able to exercise full control over their resources or delegate it in an ad-hoc man...
MOBISYS
2007
ACM
15 years 10 months ago
2007
ACM
Presence-sharing is an emerging platform for mobile applications, but presence-privacy remains a challenge. Privacy controls must be flexible enough to allow sharing between both ...
CCS
2010
ACM
15 years 5 months ago
2010
ACM
In distributed environments, statements from a number of principals, besides the central trusted party, may influence the derivations of authorization decisions. However, existin...
SIGOPS
2008
14 years 10 months ago
2008
A principal challenge in operating system design is controlling system throughput and responsiveness while maximizing resource utilization. Unlike previous attempts in kernel reso...