Sciweavers

609 search results - page 109 / 122
» A Privacy Manager for Cloud Computing
Sort
View
CCS
2009
ACM
14 years 2 months ago
ShadowWalker: peer-to-peer anonymous communication using redundant structured topologies
Peer-to-peer approaches to anonymous communication promise to eliminate the scalability concerns and central vulnerability points of current networks such as Tor. However, the P2P...
Prateek Mittal, Nikita Borisov
CCS
2007
ACM
14 years 1 months ago
Alpaca: extensible authorization for distributed services
Traditional Public Key Infrastructures (PKI) have not lived up to their promise because there are too many ways to define PKIs, too many cryptographic primitives to build them wi...
Chris Lesniewski-Laas, Bryan Ford, Jacob Strauss, ...
WISTP
2007
Springer
14 years 1 months ago
Mobile Phones as Secure Gateways for Message-Based Ubiquitous Communication
Abstract. For ubiquitous communication self-organising adhoc networks become more and more important. We consider mobile phones as appropriate secure gateways to provide access to ...
Walter Bamberger, Oliver Welter, Stephan Spitz
CCS
2005
ACM
14 years 1 months ago
A framework for concrete reputation-systems with applications to history-based access control
In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
Karl Krukow, Mogens Nielsen, Vladimiro Sassone
CCS
2004
ACM
14 years 1 months ago
Comparing the expressive power of access control models
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...
Mahesh V. Tripunitara, Ninghui Li