CONTENT SECURITY METHOD, A CONTENT SECURITY SYSTEM AND DEVICE WHICH IS INCLUDED IN THE SYSTEM CAPABLE OF BEING INDEPENDENT TO A PLATFORM AND DEVICE

摘要

PURPOSE: A content security method, a content security system and device which is included in the system are provided not to generate DRM development requirement condition.;CONSTITUTION: A terminal device(100) receives a signature file which is matched to a content file and the content file for receiving a content service. The terminal device installs content in which a signature module is mounted when requesting a content file. A content service server(200) provides the content file and the signature file to the terminal device by extracting the files. An integrated security server(300) provides the signature file according to the request of a content service server. The content performs authentication by verifying validity of a signature module when requesting an execution.;COPYRIGHT KIPO 2012