| 摘要 |
PURPOSE: An information processing system, a control method thereof, and a memory medium thereof are provided to enable a user to obtain certification by inducing the access of the user to a designated IdP(ID provider) regardless of key information determining a certification device. CONSTITUTION: A providing unit provides a web service by depending on certification processing performed by a certification processing service without requesting the input of certification information. A storage unit associates key information for determining a certification device with address information of the certification device and stores the same. If the access of a client is uncertified, a command unit(304) selects key information, matched with the key information obtained as a result of the access, from the storage unit. The command unit transmits the address information associated with the key information to the client and supplies a redirect command to the client so that the client accesses the certification device. |
