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System and method for authenticating an operating system

  • US 7,424,606 B2
  • Filed: 05/07/2003
  • Issued: 09/09/2008
  • Est. Priority Date: 10/26/1998
  • Status: Expired due to Fees
First Claim
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1. In a computer system having a processor, an operating system (OS), and a software identity register that holds an identity of the operating system, the processor having a private key, a method comprising:

  • forming an OS certificate containing the identity from the software identity register, the identity having been set to a first value if a boot block of the OS was atomically executed, and the identity having been set to a second value if the boot block of the OS was not atomically executed; and

    signing the OS certificate using the private key.

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