354 search results - page 8 / 71 » Key management for content access control in a hierarchy |
201
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SACMAT
2003
ACM
15 years 12 months ago
2003
ACM
The focus of access control in client/server environments is on protecting sensitive server resources by determining whether or not a client is authorized to access those resource...
147
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CCS
2007
ACM
15 years 10 months ago
2007
ACM
The problem of key management for access control systems has been well-studied, and the literature contains several schemes for hierarchy-based and temporal-based access control. ...
193
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INFOCOM
2008
IEEE
16 years 1 months ago
2008
IEEE
Abstract. One important problem for such public broadcast LBS is to enforce access control on a large number of subscribers. In such a system a user typically subscribes to a LBS f...
161
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CCS
2001
ACM
15 years 10 months ago
2001
ACM
Encryption is widely used to enforce usage rules for digital content. In many scenarios content is encrypted using a group key which is known to a group of users that are allowed ...
160
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POLICY
2004
Springer
15 years 12 months ago
2004
Springer
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...