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Secure biometric authentication with client-side feature extraction

  • US 10,713,345 B2
  • Filed: 02/28/2019
  • Issued: 07/14/2020
  • Est. Priority Date: 01/25/2017
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • obtaining, with one or more processors, a repository of user authentication records, each record having a user identifier and set of features detected in a biometric measurement of a respective corresponding user;

    receiving, with one or more processors, from a remote computing device, a first encrypted value and an identifier of a user to be authenticated based on the first encrypted value;

    retrieving, with one or more processors, from the repository, a user authentication record corresponding to the received identifier of the user to be authenticated;

    determining, with one or more processors, a second encrypted value based on the set of detected features in the retrieved authentication record, the set of detected features being obtained before receiving the first encrypted value;

    determining, with one or more processors, that the first encrypted value matches the second encrypted value; and

    based on the determination that the first encrypted value matches the second encrypted value, sending, with one or more processors, a message over a network indicating that the user is authenticated, wherein the detected features in the retrieved authentication record are obtained from the remote computing device that receives the biometric measurement and detects the features before sending the detected features to a computing device with access to the repository without sending the biometric measurement itself.

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