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Multiple trusted computing environments

  • US 7,865,876 B2
  • Filed: 06/18/2002
  • Issued: 01/04/2011
  • Est. Priority Date: 06/19/2001
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • (a) providing a host operating system;

    (b) obtaining an integrity metric for the host operating system, wherein obtaining the integrity metric includes performing a hash function to all or selected data files associated with the host operating system;

    (c) running a plurality of virtual machine applications on the host operating system;

    (d) running a guest operating system in each of the virtual machine applications; and

    (e) obtaining an integrity metric for each of the virtual machine applications.

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