SYSTEM RENEWABILITY MESSAGE PROVIDING METHOD AND SYSTEM RENEWABILITY MESSAGE USING METHOD AND APPARATUS THEREOF

摘要

A system renewability message providing method and a system Renewability Message Using the method and an apparatus thereof are provided to secure the reliability of a content protection system which includes a broadcasting program by using a system updating message. A system updating message container information(101) includes list information for protecting contents, and the system updating message container information is defined in a format of an ISO media file. The access to the contents of a terminal is restricted by the system updating message container information, and cancellation list information includes the identification information or authentication information of a system of which security is damaged and is restricted based on the user device identification information or the authentication information for the contents. Cancellation list information includes the list information which is analyzed by a cancellation scheme and the identification information for the scheme. The system updating message container information is placed at the highest level of a file, and includes system updating message information(104) and the number information for the system updating message information.