Patent ID: 6795924
Filing Date: 2004-09-21
Classification: G06Q,H04L,H04W

Abstract:
Method for performing a secure transaction during an information dialogue between a mobile terminal and a server in a network, wherein said server supports WML, comprising the steps of:receiving the content of a WML page from said server by a proxy; decomposing the WML page onto USSD and sending the data to the mobile terminal by said proxy by establishing a USSD dialogue with said mobile terminal and wherein said WML page is to be displayed by said mobile terminal; determining that a secure transaction should be established, and in response to said determination, the established USSD dialogue is terminated with said mobile terminal; entering the details of a transaction to be secured into an SMS message and sending said SMS message to the SIM card of the mobile terminal causing SAT application within the mobile terminal to be activated; receiving the requested secured data from the mobile station by said proxy, said requested secured data encrypted with a secret/private key; verifying the received secured data by said proxy; assembling the secured data into WML format and delivering the data to the server.