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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Bibliographic Details
Main Author HARVEY, Ian E
Format Patent
LanguageEnglish
French
German
Published 05.12.2018
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Abstract 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.
AbstractList 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.
Author HARVEY, Ian E
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DocumentTitleAlternate VERFAHREN UND SYSTEM FÜR DEN BEDINGTEN ZUGANG ÜBER LIZENZ ZU PROPRIETÄREN FUNKTIONEN
PROCÉDÉ ET SYSTÈME D'ACCÈS CONDITIONNEL PAR L'INTERMÉDIAIRE D'UNE LICENCE DE FONCTIONNALITÉ DE PROPRIÉTAIRE
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RelatedCompanies Twentieth Century Fox Film Corporation
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Snippet 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...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title METHOD AND SYSTEM FOR CONDITIONAL ACCESS VIA LICENSE OF PROPRIETARY FUNCTIONALITY
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