A system and method for copy protecting digital cinema products. Digital cinema products are protected by encryption using the encryption mode of a non-algebraic cryptographic engine (NACE) that permits digital content to be encrypted at exceptionally high data rates. Using a key ex change protocol,...http://www.google.fr/patents/US20030048908?utm_source=gb-gplus-shareBrevet US20030048908 - System and method for protecting the content of digital cinema products
System and method for protecting the content of digital cinema products
