Patent ID: 9172845
Filing Date: 2015-10-27
Classification: G06F,G06K,H04N

Abstract:
1. An authentication system comprising: an image forming apparatus; and a management apparatus; wherein a user information storage unit included in the management apparatus is configured to store a first user information to be used for user authentication, wherein a user information acquiring unit included in the image forming apparatus is configured to acquire authentication information that is input according to a user operation, wherein an authentication information receiving unit included in the management apparatus is configured to receive the authentication information that is input from the image forming apparatus, wherein a determining unit included in the management apparatus is configured to determine whether the user authentication based on the authentication information, is to be performed by using an external authentication apparatus, wherein in a case where the user authentication is determined to be performed by using the external authentication apparatus, a first acquiring unit included in the management apparatus is configured to acquire a result of the user authentication based on a second user information stored in the external authentication apparatus connected to the management apparatus via a network, and wherein a second acquiring unit included in the management apparatus is configured to perform the user authentication based on the first user information stored in the user information storage unit in a case where the user authentication is determined not to be performed by using the external authentication apparatus, and acquire a result of the user authentication.