USER AUTHENTICATION METHOD USING ONE TIME PASSWORD AND USER AUTHENTICATION DEVICE FOR USING ONE TIME PASSWORD

摘要

Disclosed is a user authentication method using a one-time password. According to an embodiment of the present invention, the method includes receiving a request for authentication including a first one-time password; analyzing and extracting the relation between the one-time password and user information when the request for authentication is received; securing first user information corresponding to the first one-time password included in the request for authentication from the extracted relation between the one-time password and the user information; and executing user authentication based on the first user information.