METHOD FOR CONTROLLING DIGITAL FILM PLAY-COUNT AND A SYSTEM THEREOF

The invention discloses a method for controlling digital film play-count and a system thereof, wherein a play-count parameter is added into a KDM file where a key delivery message used for controlling film play is embedded, detecting the play-count parameter for a playing film, setting RSA key abstr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KUMAR PRANAY, LI JIN SONG, CHIU SAM, CHONG MAN NANG
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION
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