RECORDING MEDIUM, AND DEVICE AND METHOD FOR RECORDING INFORMATION ON RECORDING MEDIUM
摘要
<p>A recording medium (100) which stores a content and on/from which the recording medium data is writable/readable by a host device. The recording medium stores a content key (key for encrypting a content) (805a) encrypted in a first format and a content key (805b) is encrypted in a second format for the same content concerning the content key (805a). The first format is, for example, for a distribution content, and the second content is for a local content.</p>
