23 search results - page 1 / 5 » An Access Control Scheme for Partially Ordered Set Hierarchy... |
SACRYPT
2005
Springer
13 years 10 months ago
2005
Springer
In a hierarchical structure, an entity has access to another if and only if the former is a superior of the later. The access control scheme for a hierarchy represented by a partia...
TCS
2008
13 years 4 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 ...
CCS
2007
ACM
13 years 10 months ago
2007
ACM
In ciphertext policy attribute-based encryption (CP-ABE), every secret key is associated with a set of attributes, and every ciphertext is associated with an access structure on a...
ESORICS
2007
Springer
13 years 10 months ago
2007
Springer
The problem of key management in access hierarchies studies ways to assign keys to users and classes such that each user, after receiving her secret key(s), is able to independentl...
CCS
2006
ACM
13 years 8 months ago
2006
ACM
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 ...