Presented by:
Meenu A M

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Digital Rights Management
Introduction
 DRM controls the use of digital content
 Preventing access, copying or conversion to other formats by end users
 Digital media files may be duplicated an unlimited number of times
 Digital piracy-Internet and popular file sharing tools, has made unauthorized distribution of copies
 DRM disallow copyright infringements
 DRM is implemented by
• online music stores
• e-book publishers
• television producers
Technologies
 DRM and film
 DRM and television
 DRM and music
 Computer games
 E-books
 DRM and documents
 Watermarks
 Metadata
DRM and film
• Content Scrambling System (CSS) employed by the DVD Forum since 1996
 Simple encryption algorithm
 License agreements
 DeCSS by Jon Lech Johansen in 1999
• Protected Media Path by Windows Vista
 Protected Video Path (PVP)
 PVP can encrypt information during transmission to the monitor
• Advanced Access Content System (AACS) by AACSLicensingAdministrator
Used by
 Intel
 Microsoft
 IBM
 Toshiba
 Sony …
DRM and television
• The CableCard standard
• The Broadcast flag concept
 Supported by Federal Communications Commission (FCC)
 Obey specification determining whether or not a stream can be recorded
 Block time-shifting
 It was adopted by Digital Video Broadcasting Project (DVB)
• Content Protection and Copy Management (CPCM)
 An updated variant of the broadcast flag
 It was developed in private
DRM and music
 Audio CDs
• Discs with DRM schemes could not be played on all CD players
• Sony's DRM software
 Root kit
 Holding shift key or disabling autorun
 Abolish DRM completely
 Internet music
• The iTunes run by Apple
• Napster music store
• Wal-Mart Music Downloads
• "Connect" run by Sony
• Kazaa
Computer games
• To limit the number of systems the game can be installed
• Mass Effect in mid 2008 using DRM
• Spore in 2008 using DRM
• Prince of Persia by Ubisoft in late 2008
• Anno 1404
• James Cameron's Avatar
• The Sims 3 by Electronic Arts in June 2009
• Silent Hunter 5 by Ubisoft using Uplay authentication
• The Settlers 7
• Assassin's Creed 2
• Uplay servers suffered by DDoS attack (Distributed Denial-of-Service attack)