Method of User Authentication executed in authentication server, management server and user terminal

摘要

The present invention relates to a user authentication technology using a user ID and a non-identification key, and more particularly, it is possible to safely process user authentication anytime, anywhere without having a separate public certificate or an OTP device issued by an institution such as a bank. It is to provide a user authentication method that is executed in an authentication server, a management server, and a user terminal.