US Patent 10044694 Server, method and system for authenticating application

An application authentication program causes a data server and an application server to execute the processes of: accepting an access request containing application-related information and redirection information from an application running on a communication terminal; and when judging that the redirection information is legitimate, transmitting an access response being a response to the access request and containing application identification information corresponding to the application-related information to the communication terminal including a redirection destination corresponding to the redirection information.