Abstract: A digital rights management (DRM)-based package content providing method is disclosed. In one embodiment, one or more individual contents contained in a content package are first detected in response to a content package purchase order received from a user terminal and a package right object that can be commonly used for all of the detected individual contents is generated. Then, each of the individual contents is encoded and content transmitting information containing the encoded individual contents and the package right object is generated and transmitted to the user terminal.

Abstract: Disclosed herein is a method of reselling content in a used content server connected to a Digital Right Management (DRM) server for managing authentication information of the content of at least one computing device. The method includes the steps of receiving information of requesting the resale of the content from a first computing device; examining the authentication information of the content requested for the resale through the DRM server; registering the content for sale if the authentication information of the content is valid; receiving purchase request information of the registered content from a second computing device; requesting alteration of the authentication information of the content from the DRM server; receiving a response signal for the alteration of the authentication information of the content; and reselling the content to the second computing device.