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...Digital cinema initiatives llc dci is the entity created by seven motion picture studios disney fox metro goldwyn mayer paramount pictures sony entertainment universal and warner bros rump session cr jean jacques quisquater final specifications for july see http www dcimovies com pages out of dedicated to security lot protocols images sounds subtitles putting together standards nist ietf iso iec must protect a long time hollywood production in context theaters will change dramatically distribution movies basic cryptographic components encryption sound aes bits cbc mode protection keys or triple des entropy rsa signature with sha factors each at least x v certificates data integrity hmac...