57 search results - page 3 / 12 » A practical key management scheme for access control in a us... |
AINA
2005
IEEE
14 years 1 months ago
2005
IEEE
The concept of hierarchical access control is that a higher privileged user (or higher level) has the ability to access data in lower privileged user (or lower level). Hierarchica...
AINA
2004
IEEE
13 years 11 months ago
2004
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...
ICN
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Scalable group key management solutions are crucial for supporting Internet applications that are based on a group communication model. Many solutions have been proposed ...
AMC
2005
13 years 7 months ago
2005
Recently, Lee and Yang proposed a subliminal scheme which employs an access control in a hierarchy. In their scheme, chief users use a one-way hash function to compute their subord...
AINA
2007
IEEE
14 years 1 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...