Recording system, playback system, key distribution server, recording device, recording medium device, playback device, recording method, and playback method

作者: Masaya Yamamoto , Shunji Harada , Takahiro Yamaguchi

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摘要: To protect rights of a copyright owner digital content, technology is required to prevent content on recording medium from being copied onto another and played back. A key distribution server securely receives media unique device, generates first title different for each encrypts the generated with key, transmits encrypted device device. The second decrypts decrypted

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