Implementation of biometric authentication

  • US 10,872,256 B2
  • Filed: 08/15/2019
  • Issued: 12/22/2020
  • Est. Priority Date: 09/09/2017
  • Status: Active Grant
First Claim
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1. An electronic device, comprising:

  • one or more biometric sensors;

    a display;

    one or more processors; and

    memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions forwhile the electronic device is in a locked state, detecting a condition that is associated with performing a biometric authentication check using a biometric sensor without an explicit input from a user requesting biometric authentication; and

    in response to detecting the condition, performing a first biometric authentication check, including;

    capturing first biometric data using the one or more biometric sensors;

    after capturing the first biometric data;

    in accordance with a determination that the first biometric data satisfies biometric authentication criteria, transitioning the device from the locked state to an unlocked state; and

    in accordance with a determination that the first biometric data does not satisfy the biometric authentication criteria, maintaining the device in the locked state;

    after performing the first biometric authentication check, detecting, via the device, a request to perform a respective operation without receiving further authentication information from the user; and

    in response to detecting the request to perform the respective operation;

    in accordance with a determination that the respective operation does not require authentication, performing the respective operation;

    in accordance with a determination that the respective operation requires authentication and that the device is in the unlocked state, performing the respective operation; and

    in accordance with a determination that the respective operation requires authentication and that the device is in the locked state as a result of the first biometric data failing to satisfy the biometric authentication criteria;

    capturing second biometric data using the one or more biometric sensors without an explicit input from the user requesting a second biometric authentication check; and

    after capturing the second biometric data, performing the second biometric authentication check, including;



    in accordance with a determination that the second biometric data satisfies the biometric authentication criteria, performing the respective operation; and



    in accordance with a determination that the second biometric data does not satisfy the biometric authentication criteria, forgoing performance of the respective operation.

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