1795 search results - page 258 / 359 » Security Models and Information Flow |
MOBISYS
2007
ACM
14 years 8 months ago
2007
ACM
We present rendezvous-based access control for access control in the pre-hospital environment. Rendezvous-based access control is a simple cryptographic access control method that...
SACMAT
2004
ACM
14 years 2 months ago
2004
ACM
We propose role-based cascaded delegation, a model for delegation of authority in decentralized trust management systems. We show that role-based cascaded delegation combines the ...
SACMAT
2003
ACM
14 years 2 months ago
2003
ACM
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
MMMACNS
2001
Springer
14 years 1 months ago
2001
Springer
Abstract. Many design flaws and incorrect analyses of cryptographic protoAppeared in the Proceedings of the First International Workshop on Mathematical Methods, Models and Archit...
SAJ
2000
13 years 8 months ago
2000
The increasing reliance on information technology to support business processes has emphasised the need for information security mechanisms. This, however, has resulted in an ever...