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NDSS
1999
IEEE

An Algebra for Assessing Trust in Certification Chains

12 years 4 months ago
An Algebra for Assessing Trust in Certification Chains
Open networks allow users to communicate without any prior arrangements such as contractual agreement or organisation membership. However, the very nature of open networks makes authenticity difficult to verify. We show that authentication can not be based on public key certificates alone, but also needs to include the binding between the key used for certification and it's owner, as well as the trust relationships between users. We develop a simple algebra around these elements and describe how it can be used to compute measures of authenticity.
Audun Jøsang
Added 04 Aug 2010
Updated 04 Aug 2010
Type Conference
Year 1999
Where NDSS
Authors Audun Jøsang
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