MULTIMEDIA DISTRIBUTION SYSTEM

An encryption system configured to generate a multimedia file including digital rights management DRM, the multimedia file comprising:video chunks that are only partially encrypted;'DRM' chunks that contain a reference to the portion of a 'video' chunk that is encrypted and a ref...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	THOMPSON, DARRIUS, NGUYEN, MAYO, ALASTAIR, HITCHCOOK, HEATHER, CHAVARRIA, DAMIEN, COTE, BENJAMIN, FUDGE, BRIAN, ROTA, JEROME, DURHAM, CHRISTOPHER, BRANESS, JASON, DONALDSON, JERALD, SAYRE, TIMOTHY, FLOYD, MICHAEL JOHN, LI, ADAM H, VAN ZOEST, SANDER, GRAB, ERIC, WILLIAM, BUTT, AHSAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY MULTIPLEX COMMUNICATION PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	An encryption system configured to generate a multimedia file including digital rights management DRM, the multimedia file comprising:video chunks that are only partially encrypted;'DRM' chunks that contain a reference to the portion of a 'video' chunk that is encrypted and a reference to the key that can be used to decrypt the encrypted portion, where the decryption keys are scrambled and encrypted with a master key; and a 'DRM' header also contains information identifying the master key.