Apparatus and method for creating a trusted environment
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United States of America Patent
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May 20, 2008
Grant Date -
Dec 4, 2003
app pub date -
Nov 21, 2002
filing date -
Nov 22, 2001
priority date (Note) -
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Abstract
A computer apparatus for creating a trusted environment comprising a trusted device arranged to acquire a first integrity metric to allow determination as to whether the computer apparatus is operating in a trusted manner; a processor arranged to allow execution of a first trust routine and associated first operating environment, and means for restricting the first operating environment access to resources available to the trust routine, wherein the trust routine being arranged to acquire the first integrity metric and a second integrity metric to allow determination as to whether the first operating environment is operating in a trusted manner.
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