| 摘要 |
PROBLEM TO BE SOLVED: To secure the quick operability, to reduce the communication frequency and to attain the use of a terminal of the light specifications such as a PDA, etc., in the communication requiring the authentication information by returning the authentication information requested by a server to this server in place of a client when this client gives an access request to the server. SOLUTION: This device consists of a client C of a PDA serving as a user terminal, a substitute server which serves as an authentication answer device and a server S which offers various services. The substitute server includes an authentication answer management part which totally controls an authentication answer. In such a constitution, the authentication answer management part collectively manages the authentication information necessary for every server when the client C has an access to the server S. When the client C has an access request to a server S1, for example, the authentication answer management part returns the authentication information requested by the server 1 to this server in place of the client C. |
