All over the world today are linked by different technologies, changes in communication between the community and thus on the question of our ideas about national identity. “This is the fact that we can record TV programs seen in remote regions of the world, listening to foreign radio stations occupied, reading foreign newspapers, publications and books, and on that day, access to many sites that we want the world of satellite communications and broadcasting system based on the home server is the next generation of radio with the PDR (Personal Video Recorder), a decoder with a high storage capacity and is now the norm. It is assumed that the content is transmitted are stored in the receiver, and demanded that the traditional television can also be accepted. So DRM is proposed to construct adding a new key to the DRM standard.
These new key called “content key (Kc) and is used to encrypt the session if the content is stored in the RDP. Kc is unique to each. But in reality, Kc is clearly for each object. It depends on the diffuser . DTH networks, including broadcast center, one or more high-power satellite and DTH receivers. Broadcast Center, a network hub, is a complex of studios, production / reproduction with satellite transmission technology, customer management / access control, access network and systems management in interactive services and data. Analog or digital video programmers contributions received via satellite, fiber optic, microwave or terrestrial links. Audio-Video (AV), but also by the programmer tape library or CD / DAT available. In the case of data or Internet services to connect to the server that is used by a connection via cable or satellite.
Broadcasting requires a mechanism for some form of law enforcement in the STB, which executes run sent in accordance with content protection control data on the “regularly broadcast programmers. Digital broadcasting in Japan encrypted content sent to the rule of law, based on confidential data, including decryption key reach. broadcast system on the home server with information on rights management and protection (PMPI). based PMPI information, including control of reproduction, the reproduction of information, local information, the information output device control, etc. is, if the contents are used to review the RDP PMPI and monitor the relevant procedures.
