CCS
2006
ACM
14 years 4 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 ...
CSFW
2006
IEEE
14 years 6 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 ...