| 摘要 |
According to one embodiment, a content recording apparatus including, a key preparing section configured to prepare a key to encrypt an acquired stream, a file preparing section configured to add identification information to the acquired stream to prepare a file, a hash calculating section configured to calculate a hash value concerning the identification information added to the stream by the file preparing section, a key file preparing section configured to integrate the hash value calculated by the hash calculating section and the key prepared by the key preparing section to prepare a key file, and a writing section configured to write the key file prepared by the key file preparing section in the protected area of a recording medium.
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