| 摘要 |
<P>PROBLEM TO BE SOLVED: To update an application while retaining a client certificate untouched by a manager of a server delivering an update application. <P>SOLUTION: Certificate data in an execution file is stored in a protection data storage region 14 for which access restriction is set, as a certificate file, after that an execution file in which no certificate data is incorporated is delivered from an application delivery server 40 as an update execution file, the update execution file is executed, and when the application is used, the certificate file stored in the protection data storage region 14 is used. <P>COPYRIGHT: (C)2012,JPO&INPIT |
