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METHOD AND APPARATUS FOR AUTHENTICATING DIGITAL INFORMATION

  • US 20160249221A1
  • Filed: 08/24/2012
  • Published: 08/25/2016
  • Est. Priority Date: 08/24/2012
  • Status: Active Grant
First Claim
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1. A method for authenticating digital data, characterized in that:

  • generating digital data with a communication device (105) that operates on a narrowband channel (120);

    associating metadata to the digital data wherein the metadata is unique to the digital data;

    applying a predefined function to both the digital data and the associated metadata to generate an authentication key;

    transmitting, via the narrowband channel (120), the authentication key for storage at a remote server (110); and

    authenticating the digital data using the stored authentication key.

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