Contents execution device equipped with independent authentication means and contents re-distribution methods

摘要

The present invention is directed to a method of transmitting lawfully acquired content to other users and divices and provides a method for re-distributing content stored in a source device to a target device with permission from a broadcasting station server and/or a tool server, the method comprising the steps of checking whether or not re-distribution of the content is permitted; transmitting the content, use tool information, and a point of the broadcasting station server to the target device; connecting, at the target device, to the broadcasting station server and requesting permission to execute the content; and receiving the execution permission, and playing the content.