METHOD AND SYSTEM FOR CONDITIONAL ACCESS VIA LICENSE OF PROPRIETARY FUNCTIONALITY

A method and system for securely and traceably enabling playing back of content on a playback device of a plurality of playback devices, in which each of the plurality of playback devices comprises a cryptographic function module (CFM). In one embodiment, the method comprises accepting a first input...

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1. Verfasser:	Harvey, Ian E
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator	Harvey, Ian E
description	A method and system for securely and traceably enabling playing back of content on a playback device of a plurality of playback devices, in which each of the plurality of playback devices comprises a cryptographic function module (CFM). In one embodiment, the method comprises accepting a first input in the playback device from a content licensing agency; generating, in the device, a first output from the first input according to a proprietary cryptographic function using the CFM, the first output necessary to enable playback of the content by the playback device, the proprietary cryptographic function being one of a family of proprietary cryptographic functions executable by the CFM of each of the plurality of playback devices; and enabling the playback of the content by the device at least in part according to the first output.
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
title	METHOD AND SYSTEM FOR CONDITIONAL ACCESS VIA LICENSE OF PROPRIETARY FUNCTIONALITY
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