US 12,326,926 B2
Dynamic handwriting authentication
Su Liu, Austin, TX (US); Barton Wayne Emanuel, Manassas, VA (US); Hamid Majdabadi, Ottawa (CA); and Yang Liang, Beijing (CN)
Assigned to International Business Machines Corporation, Armonk, NY (US)
Filed by INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US)
Filed on Aug. 17, 2022, as Appl. No. 17/820,269.
Prior Publication US 2024/0061915 A1, Feb. 22, 2024
Int. Cl. G06F 21/32 (2013.01)
CPC G06F 21/32 (2013.01) 20 Claims
OG exemplary drawing
 
1. A computer-implemented method comprising:
defining handwriting characteristics for a user based on a set of handwriting authentication criteria;
transmitting, to a graphical user interface (GUI) of a user device associated with the user, a passcode phrase comprising a randomly generated phrase;
receiving, from the GUI of the user device, a handwritten phrase based on the passcode phrase;
determining that the handwritten phrase satisfies a comparison threshold to the handwriting characteristics; and
authenticating the user device.