METHOD FOR PROCESSING CONTENTS AND CONTENTS TRUST STATUS MANAGEMENT SYSTEM FOR DRM INTEROPERABILITY SYSTEM

摘要

A contents processing method of a DRM(Digital Rights Management) interoperation system and a contents trust status management system are provided to check whether contents are misused, the contents are contaminated or a security function is applied to the contents when the contents are transmitted in a DRM interoperable environment to prevent contents trust deterioration. A contents processing method of a DRM interoperation system(500) includes a step of receiving contents requested to be transmitted to a second client device(420) having a second DRM from a first client device(410) having a first DRM(S1), a step of analyzing the contents and determining whether the contents are misused, the contents are contaminated or a security function is applied to the contents(S9), and a step of determining whether to transmit the contents according to the determination result and notifying the first client device of the determination result(S10).