Patent ID: 8447158

Claim:
A repeater device connectable to a source device and a sink device, comprising: a receiving section for receiving contents data from the source device; a transmitting section for transmitting the contents data to the sink device; a storage section for storing repeater information that is obtained by the source device and indicates whether the repeater device is the repeater device or the sink device; a first authenticating section for performing authentication with the sink device; a determining section for determining whether the authentication with the sink device fails continuously for a predetermined time or more; a repeater information rewriting section for, when the determination is made that the authentication with the sink device has failed continuously for the predetermined time or more, rewriting the repeater information stored in the storage section into information indicating the sink device; and a second authenticating section for causing the source device to obtain the repeater information rewritten into the information indicating the sink device, and causing the source device to authenticate the repeater device.