Patent ID: 8468360
Filing Date: 2013-06-18
Classification: G06F

Abstract:
1. A client terminal connected to a server through a network, the client terminal comprising a browser and an application different from the browser, the browser comprising: a network transmitting section transmitting application session information and an application signature received from the application, to the server, the application session information indicating a state of the application, the application signature proving an identity of the application; a network receiving section receiving from the server an HTML page generated by the server according to the application session information, server session information generated by the server from the application session information, and the application signature received by the server, the HTML page including an inserted script instructing the application to perform an operation; an HTML displaying section displaying the HTML page received from the server, the HTML page including the inserted script; and a session transmitting section transmitting the server session information and the application signature received from the server to the application in response to activation of the script; the application comprising: an application session generating section generating the application session information; an application signature generating section generating the application signature; an application session transmitting section transmitting the application session information and the application signature to the browser; an application signature verifying section receiving, from the browser, the server session information and the application signature, which the browser has received from the server, to verify whether or not the application signature received from the browser is identical to the application signature of the application generated by the application signature generating section; and an application control section providing control of the application so that a processing according to the server session information received from the browser, is performed only if the application signature received from the browser is identical to the application signature of the application generated by the application signature generating section.