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Methods and apparatus for secure collection and display of user interface information in a pre-boot environment

  • US 20040268135A1
  • Filed: 06/25/2003
  • Published: 12/30/2004
  • Est. Priority Date: 06/25/2003
  • Status: Active Grant
First Claim
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1. A method of receiving a password, the method comprising:

  • receiving a password routine, the password routine being digitally signed using a private key;

    authenticating the password routine using a public key associated with the private key;

    storing the password routine in a first area of a memory device, the first area of the memory device being unavailable to a memory management unit, the memory device including a second area, the second area being available to the memory management unit; and

    executing the password routine in a pre-boot environment to receive the password.

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