7th USENIX Security Symposium, San Antonio, Texas
Attack-Resistant Trust Metrics for Public Key Certification
Raph Levien and Alex Aiken
University of California, Berkeley
This paper investigates the role of trust metrics in attack-resistant public key certification. We present an analytical
framework for understanding the effectiveness of trust metrics in
resisting attacks, including a characterization of the space of possible
attacks. Within this framework, we establish the theoretical
best case for a trust metric. Finally, we present a practical trust
metric based on network flow that meets this theoretical bound.
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