30 search results - page 1 / 6 » Heuristics for Improving Cryptographic Key Assignment in a H... |
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...
IJNSEC
2007
13 years 5 months ago
2007
In a hierarchical structure, a user in a security class has access to information items of another class if and only if the former class is a predecessor of latter. Based upon cry...
WIOPT
2006
IEEE
13 years 11 months ago
2006
IEEE
Abstract— We study the problem of establishing secure communication channels in resource-constrained wireless networks using key predistribution. Pairwise communication channels ...
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...
CSFW
2006
IEEE
13 years 11 months ago
2006
IEEE
A key assignment scheme is a cryptographic technique for implementing an information flow policy, sometimes known as hierarchical access control. All the research to date on key ...