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Distributing Trust Verification to Increase Application Performance

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3 Author(s)
Ceccato, M. ; Fondazione Bruno Kessler-IRST, Trento ; Nagra, J. ; Tonella, P.

The remote trust problem aims to address the issue of verifying the execution of a program running on an un-trusted host which communicates regularly with a trusted server. One proposed solution to this problem relies on a centralized scheme using assertions and replication to withhold usable services from a tampered client. We show how to extend such a scheme to a distributed trusted hardware such as tamper-resistant smartcards. We compared the performance and security of the proposed distributed system to the original centralized scheme on a case study. Our results indicate that, compared to a centralized scheme, our distributed trust scheme has dramatically lower network traffic, and smaller memory and computational requirements on the trusted server.

Published in:

Parallel, Distributed and Network-Based Processing, 2008. PDP 2008. 16th Euromicro Conference on

Date of Conference:

13-15 Feb. 2008