135x Filetype PPT File size 0.21 MB Source: www.iacr.org
• Digital Cinema Initiatives, LLC (DCI) is the entity created by seven motion picture studios: - Disney, - Fox, - Metro-Goldwyn-Mayer, - Paramount Pictures, - Sony Pictures Entertainment, - Universal Studios and - Warner Bros. Studios. DCI – rump session CR ‘05 DCI – rump session CR ‘05 Jean-Jacques Quisquater Jean-Jacques Quisquater Final specifications for Digital Cinema: July 20, 2005 Final specifications for Digital Cinema: July 20, 2005 See http://www.dcimovies.com/ See http://www.dcimovies.com/ 80 pages out of 156 dedicated to security 80 pages out of 156 dedicated to security Lot of protocols for the security of images, sounds, Lot of protocols for the security of images, sounds, subtitles, ... subtitles, ... Putting together standards (NIST, IETF, ISO, IEC, ...), Putting together standards (NIST, IETF, ISO, IEC, ...), Must protect for a long time the Hollywood Must protect for a long time the Hollywood production in the context of theaters, production in the context of theaters, Will change dramatically the distribution of movies Will change dramatically the distribution of movies DCI – rump session CR ‘05 DCI – rump session CR ‘05 Jean-Jacques Quisquater Jean-Jacques Quisquater DCI – rump session CR ‘05 DCI – rump session CR ‘05 Jean-Jacques Quisquater Jean-Jacques Quisquater DCI – rump session CR ‘05 DCI – rump session CR ‘05 Jean-Jacques Quisquater Jean-Jacques Quisquater Basic cryptographic components Encryption of images and sound: AES (128 bits) in CBC mode, Protection of keys: AES (128 bits) or triple DES (112 bits),128-112 bits of entropy, RSA signature with SHA-256, 2048 bits, 2 or 3 factors (each at least 680 bits), 128 bits of entropy X.509v3 digital certificates, Data integrity: HMAC-SHA1 DCI – rump session CR ‘05 DCI – rump session CR ‘05 Jean-Jacques Quisquater Jean-Jacques Quisquater
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