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Method and apparatus for validating authorization to access information in an information processing system

  • US 5,313,637 A
  • Filed: 12/10/1991
  • Issued: 05/17/1994
  • Est. Priority Date: 11/29/1988
  • Status: Expired due to Fees
First Claim
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1. Apparatus comprising processing means for processing validation data;

  • said processing means including means for receiving validation data from an interconnected validation device which autogenically generates and transmits validation data and commands, means for convoluting said validation data in accordance with a pre-defined algorithm to produce convoluted data, and means for returning said convoluted data to said validation device; and

    means responsive to the validation device for selectively enabling and disabling the processing of said processing means.

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