| 摘要 |
PURPOSE: A trusted connection method between a trusted area and a non-trusted area and recording medium are provided to call a trusted application installed in the trusted area, thereby executing a process of the trusted area necessary for executing an application installed in the non-trusted area. CONSTITUTION: A terminal with a trusted platform requests a non-trusted application to an application providing server(S310). When the non-trusted application is necessary for connection with a trusted application, the trusted application is checked in the terminal(S315). The application providing server issues a certificate by matching calling authority of the trusted application and the non-trusted application with packages the certificate and the non-trusted application(S325). The application providing server provides the packaged certificate and the non-trusted application to the terminal(S330). [Reference numerals] (AA) Start; (S310) Request a non-trusted application; (S315) Is connection of the non-trusted application with a trusted application necessary?; (S320) Is the trusted application already installed in a terminal?; (S325,S340) Issue authentication certificate, package the authentication certificate and the non-trusted application; (S330) Provided the packaged authentication certificate and the non-trusted application; (S335) Install the non-trusted application in a non-trusted area; (S345) Provide the packaged authentication certificate, non-trusted application, and trusted application; (S350) Install the non-trusted application in a non-trusted area, install the trusted application in a trusted area; (S355) Provide the non-trusted application; (S360) Install the non-trusted application in the non-trusted area
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