661 search results - page 55 / 133 » Distributed and Secure Access Control in P2P Databases |
ECSCW
2001
13 years 9 months ago
2001
Abstract. Team automata provide a framework for capturing notions like coordination, colon, and cooperation in distributed systems. They consist of an abstract specification of com...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
Traditional access control models, such as Role-Based Access Control (RBAC), do not take into account contextual information, such as location and time, for making access decision...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
In this paper, we present a mandatory access control system that uses input from multiple stakeholders to compose policies based on runtime information. In the emerging ubiquitous...
SRDS
2003
IEEE
14 years 1 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 ...
TIFS
2010
13 years 2 months ago
2010
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...