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Data processing device and method and program of same

  • US 20040230801A1
  • Filed: 03/04/2004
  • Published: 11/18/2004
  • Est. Priority Date: 03/14/2003
  • Status: Active Grant
First Claim
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1. A data processing device comprising:

  • an authenticating means for authentication with a device to be authenticated on the basis of key data and a key generating means for generating said key data on the basis of the data received from said authenticating means and providing the same to said authenticating means, wherein said authenticating means provides first data and second data to said key generating means, and said key generating means generates said key data by using only said first data in said first data and said second data received from said authenticating means.

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