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    • 9. 发明申请
    • Method of Authorizing Access to Content
    • 授权访问内容的方法
    • US20080235810A1
    • 2008-09-25
    • US10597244
    • 2005-01-12
    • Antonius Adriaan Maria StaringMenno Anne Treffers
    • Antonius Adriaan Maria StaringMenno Anne Treffers
    • G06F1/00
    • G06F21/10G06F2221/2103G06F2221/2129G06F2221/2135
    • A method of and source device (410) for authorizing access to content (425) by a sink device (400) in accordance with usage rights, the content being stored on a storage medium (420) controlled by the source device. The revocation status of the sink device is verified using the most recently issued revocation information that is available if the usage rights need to be modified as part of the authorization of access to the content, and using revocation information associated with the content stored on the storage medium, preferably the revocation information stored on the storage medium, otherwise. The revocation information on the storage medium, or only the part relating to the sink device, is optionally updated to the most recently issued revocation information if the usage rights need to be modified. Preferably this is done only if the result of the verification is that the sink device has been revoked.
    • 一种源设备(410),用于根据使用权限授权由宿设备(400)访问内容(425),所述内容被存储在由所述源设备控制的存储介质(420)上。 如果使用权限需要被修改为访问内容的授权的一部分,并且使用与存储在存储器上的内容相关联的撤销信息,则使用最近发布的吊销信息来验证宿设备的吊销状态 否则,优选地存储在存储介质上的撤销信息。 如果需要修改使用权,则存储介质上的吊销信息或者仅仅与宿设备相关的部分可选地被更新为最近发布的吊销信息。 优选地,只有当验证的结果是宿设备已经被撤销时才完成。