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Computer system operable to revert to a trusted state

  • US 6,986,042 B2
  • Filed: 08/17/2001
  • Issued: 01/10/2006
  • Est. Priority Date: 08/18/2000
  • Status: Active Grant
First Claim
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1. A computer system comprises at least two computing platforms (S1, S2) each having a trusted device (TD), the computing platforms (S1, S2) having a communications link (10) therebetween, wherein the system is operableto move one or more applications from a first of the computing platforms (S1) to a second of the computing platforms (S2);

  • to load software onto said first computing platform (S1);

    to perform integrity tests on the first platform (S1); and

    if the integrity tests are passed the system is operable to move the application back to the first computing platform (S1) and load the software onto the second platform (S2); and

    if the integrity tests are failed the system is operable to return the first computing platform (S1) to the state of the second computing platform (S1).

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