US 12,483,413 B2
Token for generating and displaying updated authenticated token data on an electrophoretic display
Bryant Yee, Silver Spring, MD (US); Samuel Rapowitz, Roswell, GA (US); and Armando Martinez Stone, McLean, VA (US)
Assigned to Capital One Services, LLC, McLean, VA (US)
Filed by Capital One Services, LLC, McLean, VA (US)
Filed on Dec. 13, 2022, as Appl. No. 18/065,027.
Prior Publication US 2024/0195631 A1, Jun. 13, 2024
Int. Cl. H04L 29/00 (2006.01); H04L 9/32 (2006.01)
CPC H04L 9/3234 (2013.01) [H04L 9/3213 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A hardware security module (HSM) token configured with a post-session triggering mechanism to generate and replace data displayed and stored on the HSM token after a communication session with a token processing terminal even when the token processing terminal is no longer powering the HSM token, the HSM token comprising:
an HSM configured to store a private key and generate authentication data based on the private key;
a capacitor configured to receive power wirelessly from a terminal, store power, and provide power to components of the HSM token;
an electrophoretic display configured to present token data; and
circuitry configured to perform operations comprising:
initiating, while the electrophoretic display is not powered by the capacitor and is displaying the token data, the communication session between the HSM token and the terminal during which the authentication data is transmitted to the terminal;
in response to completion of the communication session with the terminal, transmitting, to the HSM, a refresh signal indicating refreshing the authentication data to cause the HSM to generate and replace the authentication data with updated authentication data, wherein the updated authentication data is generated by the HSM based on the private key;
in response to obtaining the updated authentication data from the HSM in connection with the refresh signal, generating updated token data based on the updated authentication data;
replacing the token data on the electrophoretic display with the updated token data by causing the capacitor to power the electrophoretic display and updating the electrophoretic display to present the updated token data while (i) the electrophoretic display is powered by the capacitor and (ii) the capacitor is no longer being powered by the terminal; and
in response to completion of updating the electrophoretic display, causing the capacitor to stop powering the electrophoretic display, thereby maintaining presentation of the updated token data on the electrophoretic display and reserving power in the capacitor.