APPARATUS AND METHOD FOR AUTHENTICATION BY USING ONE TIME PASSWORD

摘要

There are provided an authentication apparatus and method using a one tiem password (OTP) generation algorithm capable of accessing to a secure server and an open authentication (OATH) server. The authentication apparatus includes a terminal for generating a token identification (ID) using 'Unique Key1 included in a secure program according to the secure program which is performed by an access to the secure server, performing an initial registration for the OATH server, generating an OTP number by the same scheme with the OTP generation scheme of the secure server, and performing an OTP generation algorithm which is provided to a user.