US 11,734,402 B2
System and method for user authentication based on passive biometrics
John Raymond Herrema, III, Palo Alto, CA (US)
Assigned to BlackBerry Limited, Waterloo (CA)
Filed by BlackBerry Limited, Waterloo (CA)
Filed on Oct. 29, 2020, as Appl. No. 17/83,727.
Prior Publication US 2022/0138293 A1, May 5, 2022
Int. Cl. G06F 21/32 (2013.01)
CPC G06F 21/32 (2013.01) 17 Claims
OG exemplary drawing
 
1. A computer-implemented method, comprising:
receiving, via an input interface associated with an electronic device, a first touch gesture input;
determining a first device class associated with the electronic device based on:
comparing a first set of device property values associated with a current usage mode of the electronic device with corresponding representative device property values of one or more predefined device classes; and
selecting a most similar one of the predefined device classes for the electronic device as the first device class based on the comparing,
obtaining normalized values of motion vector components associated with the first touch gesture input, the motion vector component values being normalized using predefined representative device property values associated with the first device class; and
performing authentication of a user of the electronic device based on the normalized motion vector component values associated with the first touch gesture input.