US Patent 11424929 Authentication using encrypted biometric information

A device that includes a biometric device that is configured to capture a biometric signal for a user. The biometric signal is a signal that is linked to the user based on the physical characteristics of the user. The device further includes a memory operable to store a plurality of biometric signals. The device further includes a processor configured to obtain a user password from a user and obtain a first biometric signal for the user. The processor is further configured to identify a stored biometric signal from among the plurality of biometric signals in the memory that closest matches the first biometric signal. The processor is further configured to generate an authentication token by encrypting the user password with the stored biometric signal and to send the authentication token to an authentication device.