57 search results - page 2 / 12 » A practical key management scheme for access control in a us... |
IJNSEC
2008
13 years 7 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...
ESORICS
2007
Springer
14 years 1 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...
INFOCOM
2008
IEEE
14 years 2 months ago
2008
IEEE
—Trusted Collaborative Computing (TCC) is a new research and application paradigm. Two important challenges in such a context are represented by secure information transmission a...
AINA
2005
IEEE
14 years 1 months ago
2005
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...
SACMAT
2006
ACM
14 years 1 months ago
2006
ACM
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...