Authentication system having an authentication apparatus including an authentication unit configured to search records of identification information associated with group information to find matching identification information matching obtained identification information of a user, authentication method, and apparatus

摘要

An authentication system includes an apparatus and an authentication apparatus configured to perform authentication of a user of the apparatus. The apparatus includes an identification information obtaining unit configured to obtain identification information of the user and an authentication requesting unit configured to send the obtained identification information and group information indicating a group to which the user belongs to the authentication apparatus to request authentication of the user. The authentication apparatus includes an authentication unit configured to search records of identification information associated with the group information to find matching identification information matching the obtained identification information of the user.