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Set top box architecture supporting mixed secure and unsecure media pathways
Set top box architecture supporting mixed secure and unsecure media pathways
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机译:机顶盒架构,支持混合的安全和不安全媒体路径
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摘要
A media processing device, such as a set top box, having a plurality of selectable hardware and software components for supporting multiple media pathways providing differing levels of security. In general, each security level corresponds to a particular certification service boundary definition(s) or key/authentication and security management scheme for managing resources such as hardware acceleration blocks and software interfaces. Different sets of components may be adaptively employed to ensure composited compliance with one or more security constraints and to address component unavailability. Security constraints may be applied, for example, on a source or media specific basis, and different versions of a media item may be provided over multiple pathways providing corresponding levels of security. In one embodiment, a service operator or content provider may provide requisite certification or security requirements, or otherwise assist in selection of pathway components.
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