| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a service providing system capable of corresponding to changes in circumstances without increasing its communication load under varying circumstances. <P>SOLUTION: A service server 200 includes a storage device 208 for storing comparison data serving as the basis for services provided to other devices; a data creation device 216 which sends transmission data including the comparison data in response to the reception of a service request from other device; a verification device 212 which, in response to the reception of input data from other device, collates the input data with the comparison data stored in the storage device 208 to verify the authenticity of the input data; and a service device 214 which, based on the verification result, selectively performs the process of updating the comparison data according to the input data and the process of sending process data to the device that has sent the input data. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
