1073 search results - page 29 / 215 » Secure context-sensitive authorization |
SPC
2005
Springer
14 years 1 months ago
2005
Springer
In pervasive computing environments, changes in context may trigger changes in an individual’s access permissions. We contend that existing access control frameworks do not provi...
JCS
2008
13 years 7 months ago
2008
We present a novel technique, known as the non-delegatable authority (NDA), for distributing authority to unconfined subjects in capability systems that prevents them from sharing...
SRDS
2003
IEEE
14 years 1 months ago
2003
IEEE
Traditional security systems are not easily scalable and can become single points of failure or performance bottlenecks when used on a large-scale distributed system such as the I...
HPDC
1998
IEEE
14 years 2 days 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 ...
PKC
2009
Springer
14 years 8 months ago
2009
Springer
At Crypto'07, Goyal introduced the concept of Accountable Authority Identity-Based Encryption as a convenient tool to reduce the amount of trust in authorities in Identity-Bas...