354 search results - page 36 / 71 » Key management for content access control in a hierarchy |
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— High power dissipation in packet switches and routers is fast turning into a key problem, owing to increasing line speeds and decreasing chip sizes. To address this issue, we i...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
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ICDCSW
2003
IEEE
15 years 3 months ago
2003
IEEE
The increasing use of computers to manage everyday business poses problems for workers when they are away from their home environment. There are two key problems: • How can a mo...
GCC
2003
Springer
15 years 2 months ago
2003
Springer
The paper discusses XML security key technologies related with security of Web service. Based on these discussions, Web service is integrated with some mature security architecture...
ENTCS
2006
14 years 9 months ago
2006
Community decisions about access control in virtual communities are non-monotonic in nature. This means that they cannot be expressed in current, monotonic trust management langua...