55 search results - page 2 / 11 » On Key Assignment for Hierarchical Access Control |
TCS
2008
13 years 5 months ago
2008
A time-bound hierarchical key assignment scheme is a method to assign time-dependent encryption keys to a set of classes in a partially ordered hierarchy, in such a way that each ...
IJNSEC
2008
13 years 5 months ago
2008
In group communication, users often have different access rights to multiple data streams. Based on the access relation of users and data streams, users can form partially ordered...
DBSEC
2010
13 years 6 months ago
2010
Abstract. In considering a problem in access control for scalable multimedia formats, we have developed new methods for constructing a key assignment scheme. Our first contribution...
FGCS
2007
13 years 5 months ago
2007
Grid computing is a newly developed technology for complex systems with large-scale resource sharing and multi-institutional collaboration. The prominent feature of grid computing...
COMPSEC
2002
13 years 5 months ago
2002
In a user hierarchy we say that a security class is subordinate to another security class if the former has a lower security privilege than the latter. To implement such a hierarc...