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Authentication for transactions using near field communication

  • US 10,332,112 B2
  • Filed: 03/27/2012
  • Issued: 06/25/2019
  • Est. Priority Date: 03/27/2012
  • Status: Active Grant
First Claim
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1. A method for authenticating a current user of a near field communication (NFC) device, the method comprising steps of:

  • one or more processors of the NFC device establishing a profile comprising values of the movements of an authorized user of the NFC device based on data received from one or more sensors of the NFC device over a first period of time when the NFC device is carried by the authorized user, wherein in the profile the values of the movements of the authorized user include at least one of walking speed of the authorized user, time periods the NFC device carried by the authorized user does not move, gaits of the authorized user, speed of direction changes of the authorized user, acceleration and deceleration rates of the authorized user, and ways the NFC device is carried by the authorized user;

    responsive to a request for transaction data, the one or more processors of the NFC device establishing a profile comprising values of the movements of the current user of the NFC device based on data received from the one or more sensors of the NFC device over a second period of time when the NFC device is carried by the current user after the first period of time, wherein in the profile the values of the movements of the current user include at least one of walking speed of the current user, time periods the NFC device carried by the current user does not move, gaits of the current user, speed of direction changes of the current user, acceleration and deceleration rates of the current user, and ways the NFC device is carried by the current user;

    the one or more processors of the NFC device carried by the current user comparing the values of the movements of the authorized user with the values of the movements of the current user;

    the one or more processors of the NFC device carried by the current user determining whether the values of the movements of the current user are within a range of the values of the movements of the authorized user at a confidence level, wherein the confidence level is determined according to an amount of money in a transaction;

    responsive to determining that the values of the movements of the current user are within range of the values of the movements of the authorized user at the confidence level, the one or more processors of the NFC device carried by the current user sending the transaction data from the NFC device to a payment transaction processing system; and

    responsive to determining that the values of the movements of the current user are not within range of the values of the movements of the authorized user at the confidence level, the one or more processors of the NFC device carried by the current user requesting at least one of biometric data and manual input data as an additional authentication means from the current user of the NFC device.

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