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SACMAT
2004
ACM
15 years 12 months ago
Using trust and risk in role-based access control policies
Emerging trust and risk management systems provide a framework for principals to determine whether they will exchange resources, without requiring a complete definition of their ...
Nathan Dimmock, András Belokosztolszki, Dav...
GI
2003
Springer
15 years 11 months ago
Byzantine Failures and Security: Arbitrary is not (always) Random
: The Byzantine failure model allows arbitrary behavior of a certain fraction of network nodes in a distributed system. It was introduced to model and analyze the effects of very s...
Felix C. Gärtner
EDOC
2003
IEEE
15 years 11 months ago
Contract Performance Assessment for Secure and Dynamic Virtual Collaborations
In this paper we sketch a framework supporting contract enactment within the context of virtual organisation units that are dynamically created in order to achieve a common object...
Theodosis Dimitrakos, Ivan Djordjevic, Zoran Milos...
NSDI
2008
15 years 8 months ago
Passport: Secure and Adoptable Source Authentication
We present the design and evaluation of Passport, a system that allows source addresses to be validated within the network. Passport uses efficient, symmetric-key cryptography to ...
Xin Liu, Ang Li, Xiaowei Yang, David Wetherall
SRDS
2003
IEEE
15 years 11 months ago
Pesto Flavoured Security
We demonstrate that symmetric-key cryptography can be used for both read and write access control. One-time write access can be granted by handing over an encryption key, and our ...
Feike W. Dillema, Tage Stabell-Kulø