Abstract: A mobile terminal is provided. The mobile terminal includes a short-range communicator, a security server and a payment method thereof, the mobile terminal including a short-range communicator which exchanges data by a predetermined short-range technology, a payment processor which performs a payment process corresponding to a preset standard in response to a user's request for payment, and a secure world which communicates with the payment processor, extracts secure information from data and stores the data therein and masks the secure information from the outside. Thus, the secure data may be masked at the time of communication with the outside.

Abstract: A method performed by a first application in a client apparatus to authenticate a second application in the client apparatus is provided. The method includes, when the first application receives an execution request from the second application, requesting authentication information of the second application from an authentication server, obtaining the authentication information of the second application from the authentication server, and authenticating the second application using the authentication information, wherein the authentication information of the second application is signed with a private key of the authentication server.

Abstract: Device integrated-control according to user's needs. A device information providing method for a device integrated-control includes receiving device capability and status information from one or more devices, determining a device-based usage goal example capable of achieving the predetermined aim by using the received device capability and status information, and planning the at least one actions, which have to be executed to attain the device-based usage goal example, for the respective devices, providing information about at least one capability of a device necessary for attaining a usage goal example, which is capable of satisfying user's needs, from the device to a device integrated-controller and providing information about statuses of at least one of the device and content for executing the at least one capabilities from the predetermined device to the device integrated-controller.