Invention Grant
US08411861B2 Apparatus, systems, and methods for checking if a receiver is on a revocation list based on SRMs of DVDs 有权
用于根据DVD的SRM检查接收机是否在撤销列表上的装置,系统和方法

Apparatus, systems, and methods for checking if a receiver is on a revocation list based on SRMs of DVDs
Abstract:
An apparatus, system, or method for (i) processing a System Renewability Message (SRM) that includes first and second generation SRM portions that respectively comprise first and second lists of unique privilege-revoked identifiers for receiver devices; (ii) storing the first and second SRM portions based on whether a source device is a first generation HDCP device, (iii) processing an additional SRM that includes additional first and second generation SRM portions that respectively comprise additional first and second lists of unique privilege-revoked identifiers for receiver devices and a third generation SRM portion that comprises another list of unique privilege-revoked identifiers; and (iv) storing the additional first and second SRM portions and the third SRM portion based on whether the source device is a third generation HDCP device.
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