18 search results - page 1 / 4 » Managing key hierarchies for access control enforcement: Heu... |
COMPSEC
2010
13 years 5 months ago
2010
AINA
2007
IEEE
13 years 11 months ago
2007
IEEE
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
CN
2007
13 years 5 months ago
2007
The need for content access control in hierarchies (CACH) appears naturally in all contexts where a set of users have different access rights to a set of resources. The hierarchy...
ECUMN
2007
Springer
13 years 11 months ago
2007
Springer
Context-based access control is an emerging approach for modeling adaptive solution, making access control management more flexible and powerful. But in the ubiquitous environment...
AINA
2005
IEEE
13 years 10 months ago
2005
IEEE
2004, Chang et al. suggested an approach that solves the problem of secret sharing with access structures in a hierarchy. They used the concept of discrete logarithmto reuse shado...