METHOD FOR AUTHENTICATING DEVICE, SYSTEM AND METHOD FOR PROVIDING SERVICE

摘要

A method for authenticating a device, and a system and a service providing method thereof are provided to authenticate the device with high security in a DRM(Digital Rights Management) domain system by applying an OTP(One-Time Password) to device authentication for a domain service and offer various services to the authenticated device by analyzing a structure/right of a credential. A remote authenticator generates and transmits an OTP through a transmission interface. A domain device(55) receives the OTP from the remote authenticator, inserts the OTP into an authentication request message, and transmits the authentication request message. A domain manager(36) authenticates the device to access a domain by verifying the OTP included in the authentication request message. The remote authenticator is included in a predetermined device, which is a reference point controller(19) for verifying whether or not the domain device is included in a domain area, and includes an OTP generator generating the OTP by responding to input key of a user and a data transceiver transmitting the OTP through the transmission interface.