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Method for generating device unique key, secret information LSI with secret information processing function using the method, host device mounted with the LSI, recording medium with authentication function used in the host device, and portable terminal with the recording medium having authentication function

  • US 20060248346A1
  • Filed: 03/17/2006
  • Published: 11/02/2006
  • Est. Priority Date: 03/18/2005
  • Status: Abandoned Application
First Claim
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1. A method for generating a device unique key, comprising the steps of:

  • integrating a fixed ID and a user ID so as to generate a device unique ID, the fixed ID being determined for a host device in advance and stored in a storage portion of the host device, the user ID being able to be determined desirably by a user; and

    generating a device unique key based on the device unique ID.

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