Patent ID: 11888844
Assignee: SECUVE CO., LTD.
Field: IT methods for management (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 16:
17. The method of claim 13, wherein the user authentication message sending procedure further comprises a step in which the processor of the user authentication server sends the user authentication message in a form of a QR code, via the network, to a computer terminal included in the user terminal, and
wherein the authentication-related value sending procedure further comprises:
displaying, on a display of the computer terminal, the user authentication message in the form of the QR code;
capturing, by a camera of a mobile terminal included in the user terminal, an image of the QR code, including the authentication key, displayed on the display of the computer terminal;
extracting, by a processor of the mobile terminal, computer-readable data including the authentication key, from the captured image;
creating the authentication-related value by performing a first XOR operation on the authentication key and a security key; and
sending, by the processor of the mobile terminal, the computer-readable data including the authentication-related value, via the network to the user authentication server.