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Apparatus and method for establishing trust

  • US 7,437,568 B2
  • Filed: 08/16/2001
  • Issued: 10/14/2008
  • Est. Priority Date: 08/18/2000
  • Status: Active Grant
First Claim
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1. A method for establishing communications with a computer entity, comprising:

  • requesting a trusted device associated with a computer entity to provide an integrity metric calculated for the entity by the trusted device and containing values indicative of one or more characteristics of the entity;

    receiving a response from the trusted device including an integrity metric calculated for the entity by the trusted device;

    comparing values in the integrity metric calculated for the entity by the trusted device with authenticated values provided for the entity by a trusted party; and

    selecting a level of trust for the entity from a plurality of predefined levels of trusts based on at least one value in the integrity metric calculated for the entity by the trusted device.

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