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Computer platforms and their methods of operation

  • US 7,996,669 B2
  • Filed: 10/02/2008
  • Issued: 08/09/2011
  • Est. Priority Date: 08/13/1999
  • Status: Expired due to Fees
First Claim
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1. A computer platform having:

  • a trusted module which is resistant to internal tampering and which stores a third party'"'"'s public key certificate;

    memory storing license-related code comprising at least one of a secure executor for checking whether the platform or a user thereof is licensed to use particular data and for providing an interface for using date data for monitoring its usage, and a secure loader for checking whether the platform or a user thereof is licensed to install particular data and/or for checking for data integrity before installation; and

    memory storing a hashed version of the license-related code signed with the third party'"'"'s private key; and

    means for integrity checking the license-related code with reference to the signed version and the public key certificate and preventing the license-related code from being loaded if the integrity check fails.

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