Method and apparatus for trusted processing
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United States of America Patent
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Nov 24, 1998
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N/A
app pub date -
Aug 23, 1996
filing date -
Aug 23, 1996
priority date (Note) -
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Abstract
Trusted processing capability, for example for a cryptographic unit element in an International Cryptography Framework, secures one or more tasks or processes associated with application code. Trusted processing is assured by a trusted element, where use of the trusted element is based upon the principles of separation and locality, i.e. where the trusted element is associated with a trusted computing base that is separated from the operating system and/or data by a trust boundary, and where protected mechanisms are used to access the trusted element, such that trusted execution occurs only locally in a trusted execution area. The trust processing capability also encompasses a policy controlled main CPU.
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