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System for protecting computers via intelligent tokens or smart cards

  • US 5,448,045 A
  • Filed: 02/26/1993
  • Issued: 09/05/1995
  • Est. Priority Date: 02/26/1992
  • Status: Expired due to Term
First Claim
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1. A method for reducing the possibility of corruption of critical information required in the operation of a computer comprising:

  • storing the critical information in a device,communicating authorization information between the device and the computer, andin the course of booting the computer, executing modified boot code that causes the device, in response to the authorization information, to allow the computer access to the critical information stored in the device.

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