| 摘要 |
This invention is to provide a technique to appropriately authenticate the requesting side and the diagnosis side in the remote diagnosis system. In this invention, an authentication server communicating with a diagnosis requesting side terminal and a diagnosis side terminal carries out: at the beginning of a remote diagnosis, judging whether or not an image obtained in the diagnosis requesting side terminal satisfies a first condition; at the beginning of the remote diagnosis, judging whether or not an image obtained by the diagnosis side terminal satisfies a second condition; and upon detection that affirmative judgments are obtained in the first and second judgings, generating authentication data including information concerning the diagnosis requesting side terminal, information concerning the diagnosis side terminal and a diagnosis time. Accordingly, it is possible to guarantee that both terminals have an appropriate capability and etc.
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