28 search results - page 2 / 6 » An algebra for composing access control policies |
IWFM
2000
13 years 9 months ago
2000
Security services in a multi-user environment are often based on access control mechanisms. Static of an access control policy can be formalised using abstract algebraic models. W...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
Collaborative and distributed applications, such as dynamic coalitions and virtualized grid computing, often require integrating access control policies of collaborating parties. ...
FASE
2004
Springer
14 years 28 days ago
2004
Springer
Abstract. Organizations use Role-Based Access Control (RBAC) to protect computer-based resources from unauthorized access. There has been considerable work on formally specifying R...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
Many access control policy languages, e.g., XACML, allow a policy to contain multiple sub-policies, and the result of the policy on a request is determined by combining the result...