Blu-ray Disc copy protection

GPTKB entity

Predicate	Object
gptkbp:instanceOf	Digital rights management technology
gptkbp:AACS_can_be_circumvented	Yes
gptkbp:AACS_developedBy	gptkb:AACS_LA
gptkbp:AACS_LA_members	gptkb:IBM gptkb:Microsoft gptkb:Warner_Bros. gptkb:Disney gptkb:LG_Electronics gptkb:Twentieth_Century_Fox gptkb:Panasonic gptkb:Sony gptkb:Hitachi gptkb:Intel gptkb:Samsung_Electronics gptkb:Sharp gptkb:Toshiba gptkb:Matsushita_Electric
gptkbp:AACS_purpose	Encryption and key management
gptkbp:AACS_stands_for	gptkb:Advanced_Access_Content_System
gptkbp:AACS_uses	128-bit AES encryption
gptkbp:appliesTo	gptkb:DVD
gptkbp:BD+_can_be_circumvented	Yes
gptkbp:BD+_developedBy	gptkb:Cryptography_Research,_Inc.
gptkbp:BD+_purpose	Renewable security and content protection
gptkbp:BD+_uses	Virtual machine for content protection
https://www.w3.org/2000/01/rdf-schema#label	Blu-ray Disc copy protection
gptkbp:includes	gptkb:AACS gptkb:ROM-Mark BD+ (Blu-ray Disc Plus)
gptkbp:introduced	gptkb:Blu-ray_Disc_Association
gptkbp:introducedIn	2006
gptkbp:purpose	Prevent unauthorized copying
gptkbp:ROM-Mark_can_be_circumvented	Difficult
gptkbp:ROM-Mark_developedBy	gptkb:Philips
gptkbp:ROM-Mark_purpose	Disc authentication
gptkbp:ROM-Mark_uses	Digital watermark
gptkbp:bfsParent	gptkb:AACS_2.1 gptkb:Advanced_Access_Content_System_Licensing_Administrator_(AACS_LA) gptkb:AACS_1.0
gptkbp:bfsLayer	7