Papers     Last modified: 12/04/03 12:37:32 PM

Rich MacDonald, Sean W. Smith, John Marchesini, Omen Wild.
Bear: An Open-Source Virtual Secure Coprocessor based on TCPA
Technical Report TR2003-471, Department of Computer Science, Dartmouth College.
August 2003.


This paper reports on our ongoing project to use TCPA to transform a desktop Linux machine into a virtual secure coprocessor: more powerful but less secure than higher-end devices. We use TCPA hardware and modified boot loaders to protect fairly static components, such as a trusted kernel; we use an enforcer module---configured as Linux Security Module---to protected more dynamic system components; we use an encrypted loopback filesystem to protect highly dynamic components.

All our code is open source and available under GPL from

See Also

A subsequent report extends this work.




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