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发明公开
EP1058254A3 Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducing and deleting data on optical disk, and information processing system 有权
光盘，光盘记录和重放装置，记录方法，再现和数据的擦除在光盘上，并且信息处理系统

Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducing and deleting data on optical disk, and information processing system
摘要：
An optical disk of recording type on which data is recordable is provided which includes a data recording and reproducing area (102) for recording data therein and reproducing data therefrom, and a read-only disk identification information area (104) for recording disk identification information (107) for identifying the optical disk therein. In the optical disk, the disk identification information (107) is formed by removing a reflection film formed on the optical disk in a strip shape. The disk identification information (107) includes an inherent disk identifier for each optical disk, and the data recording and reproducing area includes an area for recording therein encrypted data, which is encrypted using information including the disk identification information for identifying the optical disk as a key.
摘要（中）：

记录型光盘上的数据被提供记录，其包括用于记录盘标识信息用于记录数据于其中并从那里再现数据的数据记录和再现区域（102），和一个只读光盘的识别信息区（104） （107）用于在其中识别光盘。 在该光盘中，盘的识别信息（107）通过除去反射膜形成的以条形在光盘上形成。 盘的识别信息（107）包括用于每个光盘中固有的盘标识符，和所述数据记录和再现区域包括在区域用于在其中记录经加密的数据，这一切都被加密使用信息包括用于标识该光盘作为盘识别信息 键。

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