| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve a problem wherein during copying, the copying is highly frequently interrupted due to power shutdown or the like. <P>SOLUTION: A recording apparatus has a receiving unit to receive content data and copy-related information of the content data; a separation/extraction unit to separate and extract the content data and the copy-related information of the content data received by the receiving unit; a writing unit to divide the content data extracted by the separation/extraction unit into a plurality of data and write them in a first recording medium; an encryption key generation unit to generate an encryption key for encrypting each of the plurality of data; and a copy control information processing unit to generate, from the copy-related information and the generated encryption key, a plurality of pieces of content protection management information for the plurality of pieces of data, wherein when the content data written into the first recording media are recorded into a second recording media, the plurality of pieces of data are recorded before the plurality of pieces of content protection management information are recorded. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
