Multiple content protection systems in a file

Supporting a plurality of content protection systems in a single container file. The protection systems share an encryption method which is accessible from a sample encryption box in the file. Each of the protection systems stores, in a protection system header box, information for decrypting the co...

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Bibliographische Detailangaben

Hauptverfasser:	HUGHES JR., ROBERT KILROY, FIERSTEIN, SCOTT J, SIMMONS, JOHN CARL, BURNS, QUINTIN SWAYNE
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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