Security attributes of nodes in trusted computing systems

Details Security attributes of nodes in trusted computing systems Security attributes of nodes in trusted computing systems

2004-03-26

2009-06-23

Nalven, Andrew L (Department: 2434)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Security kernel or utility

Reexamination Certificate

active

07552328

ABSTRACT:
A system and method for resolving a rule conflict within a security policy applied to a trusted computing platform, wherein the fileset to which each of the conflicting rules v and s refers (or “scope”) is determined (step10). It is then determined (at step12) if the scope of one of the rules s is a complete subset of the scope of rule r. If so, rule s is applied to the accessed file f (at step14). If not, the conflict is resolved in another way, for example, by determining the most restrictive of rules r and s (at step16) and applying the result accordingly (step18).

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“Trusted Computing Platform Alliance (TCPA), TCPA Design Philosophies and Concepts,” Version 1.0, Internet: <http://www.trustedpc.org> pp. 1-30 (Jan. 2001).

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