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CCS
2005
ACM
15 years 10 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
2007
ACM
15 years 11 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, ...
POLICY
2007
Springer
15 years 11 months ago
Distributed Enforcement of Unlinkability Policies: Looking Beyond the Chinese Wall
We present a discretionary access control framework that can be used to control a principal’s ability to link information from two or more audit records and compromise a user’...
Apu Kapadia, Prasad Naldurg, Roy H. Campbell
WISTP
2007
Springer
15 years 11 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
2006
ACM
15 years 8 months ago
Secure hierarchical in-network aggregation in sensor networks
In-network aggregation is an essential primitive for performing queries on sensor network data. However, most aggregation algorithms assume that all intermediate nodes are trusted...
Haowen Chan, Adrian Perrig, Dawn Xiaodong Song