REPEATER AND COMMUNICATION EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To provide a repeater capable of a contents protection procedure between equipment not connected to the same network. SOLUTION: This repeater is connected to a first network 104 and a second network and is provided with a function for presenting the equipment 103 on the second network to the side of the first network 104 as the one on the present repeater 102, the function for transmitting a corresponding control command to the equipment 103 in the case of receiving the control command addressed to the equipment 103 from the equipment 101 on the first network 104, the function for transmitting contents protection information to the equipment 103 without changing it in the case of receiving it addressed to the equipment 103 from the equipment 101 and the function for transmitting contents to the equipment 103 without changing them in the case of receiving the contents protected by a contents key obtained from the previous contents protection information from the equipment 101 to the equipment 103.