Patent ID: 7107248

Claim:
A method for ordering, authorizing, and delivering goods and services using a mobile station, comprising: accessing a gateway by the mobile station and transmitting an identification code for mobile station to the gateway; verifying the identity of the mobile station by the gateway by accessing an authentication center of a cellular network and comparing mobile station generated variables computed by the mobile station with gateway generated variables computed by the gateway; verifying the legitimacy of the gateway by the mobile station by comparing the variables computed by the gateway with the variables computed by the mobile station; requesting a digital certificate by the mobile station from the gateway used to order and authorize a product or service from a service provider; delivering a digital certificate to the mobile station by the gateway when the identity of the mobile station have been verified; requesting a product or service from the service provider; and transmitting a digital signature by the mobile station accompanied by the digital certificate for a signature verification key as authorization to said service provider.