User authentication device, user authentication method using security code and computer program

摘要

The present disclosure provides a login input receiving unit for receiving login input data including an ID and a password corresponding to the ID from a terminal; a security code generator for generating a first security code based on an ID of the login input data and an input time; and receiving a second security code from the terminal, determining whether the user authentication device matches the first security code and the second security code, and processing the login input data in consideration of the match Disclosed is a user authentication device for authenticating a user using a security code, including; a code processing unit.