Contents Execution Device equipped with Independent Authentication Means and Contents Re-Distribution Method

The present invention relates to a content execution device that is especially by using a smart card to maximize the user's convenience, and distribution of digital content that can maintain sufficient security level, method and use it. Content execution device of the present invention, are stored in an independent authentication unit tool needed to execute the content; Authentication support module to provide a channel for user authentication between the authentication sudanwa independent broadcast server connection; Tool for calling the tool stored in the independent authentication unit connected to said access agent; And it characterized in that it comprises a content execution for executing the content data received from the broadcast server. To apply the smart card in the content execution device that is included in the content rights management system of the present invention as user authentication and / or tools for the content reproduction control purposes, so that the user is a change only the smart card fitting without additional measures, new content execution It has the effect of granting a convenience device for executing content to their licensed freely. That is, according to the present invention, the user is enables efficient use of the content of the different broadcaster. Broadcasting, content redistribution, independent means of authentication, device authentication, smart card