| 摘要 |
According to one embodiment, a repeater receives content data from a sender device through a first content protection technology and transmits the content data to another device through a second content protection technology. The repeater includes a receiver, a preparation module, and a transmitter. The receiver receives identification information that identifies a device compliant with the second content protection technology through the second content protection technology. The preparation module prepares an identification information list based on the first content protection technology that contains the identification information based on the second content protection technology received by the receiver and identification information based on the first content protection technology that identifies the repeater. The transmitter transmits the identification information list to the sender device through the first content protection technology.
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