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» A dynamic key management solution to access hierarchy
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CNSM
2010
15 years 4 months ago
Gossip-based resource management for cloud environments
1 We address the problem of resource management for a large-scale cloud environment that hosts sites. Our contribution centers around outlining a distributed middleware architectur...
Fetahi Wuhib, Rolf Stadler, Mike Spreitzer
CCS
2007
ACM
16 years 10 days ago
Managing RBAC states with transitive relations
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
Chaoyi Pang, David P. Hansen, Anthony J. Maeder
COMCOM
2008
138views more  COMCOM 2008»
15 years 6 months ago
Secure content access and replication in pure P2P networks
Despite the advantages offered by pure Peer-to-Peer (P2P) networks (e.g. robustness and fault tolerance), a crucial requirement is to guarantee basic security properties, such as ...
Esther Palomar, Juan M. Estévez-Tapiador, J...
LCN
2006
IEEE
16 years 5 days ago
Cerco: Supporting Range Queries with a Hierarchically Structured Peer-to-Peer System
Structured Peer-to-Peer systems are designed for a highly scalable, self organizing, and efficient lookup for data. The key space of the so-called Distributed Hash Tables (DHTs) ...
Simon Rieche, Klaus Wehrle, Leo Petrak, Clemens Wr...
CCS
2007
ACM
16 years 10 days ago
A data outsourcing architecture combining cryptography and access control
Data outsourcing is becoming today a successful solution that allows users and organizations to exploit external servers for the distribution of resources. Some of the most challe...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...