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Data protection method digital rights management for content on the device without interactive authentication and (DRM) encryption
Data protection method digital rights management for content on the device without interactive authentication and (DRM) encryption
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机译:无需交互身份验证和(DRM)加密的设备上内容的数据保护方法数字版权管理
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摘要
To render content on a medium, a device obtains a table from the medium, obtains a private key of the device (PR-PD), indexes into an entry of the table based thereon, obtains (PU-PD(RND)) from the indexed-into entry of the table, and applies (PR-PD) to (PU-PD(RND)) to expose a random key (RND). Then, the device obtains (RND(PR-PM)) from the table, applies (RND) to (RND(PR-PM)) to expose a private key of the medium (PR-PM), obtains (PU-PM(KD)) from the license, applies (PR-PM) to (PU-PM(KD)) to expose a content key (KD), obtains (KD(content)) from the storage medium, applies (KD) to (KD(content)) to expose the content.
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