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WPES
2003
ACM

Policy migration for sensitive credentials in trust negotiation

13 years 8 months ago
Policy migration for sensitive credentials in trust negotiation
Trust negotiation is an approach to establishing trust between strangers through the bilateral, iterative disclosure of digital credentials. Under automated trust negotiation, access control policies are associated with sensitive credentials to control under what circumstances those credentials can be disclosed. Ideally, the information in a user’s sensitive credential should not be known by others unless the corresponding policy is satisfied. However, the original model for user interaction in trust negotiation has pitfalls which can be easily exploited to infer one’s private information, even if access control policies are strictly enforced. To preserve one’s privacy, a more flexible interaction model for trust negotiation is required. On the other hand, it is also desirable for two parties to be able to establish trust whenever possible. There is potentially a conflict between privacy preservation and the assurance of a successful trust negotiation. In this paper, we ident...
Ting Yu, Marianne Winslett
Added 05 Jul 2010
Updated 05 Jul 2010
Type Conference
Year 2003
Where WPES
Authors Ting Yu, Marianne Winslett
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