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Copy protection, also known as content protection, copy prevention and copy restriction, is any measure to enforce copyright by preventing the reproduction of software, films, music, and other media. [1] Copy protection is most commonly found on videotapes, DVDs, Blu-ray discs, HD-DVDs, computer software discs, video game discs and cartridges ...
DVD region code. Restricts region where media can be played by matching region number with configuration flag in DVD players. LaserLock. Includes hidden directory on the CD containing corrupted data which will cause errors while being copied. SafeDisc (version 4) See SafeDisc (versions 1-5) in previous section. SecuROM.
The two pieces of copy-protection software at issue in the 2005–2007 scandal were included on over 22 million CDs [7] marketed by Sony BMG, the record company formed by the 2004 merger of Sony and BMG's recorded music divisions. About two million of those CDs, [7] spanning 52 titles, contained First 4 Internet (F4I)'s Extended Copy Protection ...
A software protection dongle (commonly known as a dongle or key) is an electronic copy protection and content protection device. When connected to a computer or other electronics, they unlock software functionality or decode content. [1] The hardware key is programmed with a product key or other cryptographic protection mechanism and functions ...
Commercial Blu-ray Disc protection schemes. AACS. The encrypted content can only be decrypted using combination of media key (obtained from Media Key Block by one of device keys available for each reproduction devices) and the Volume ID (unique identifiers stored on each disk) of the media. BD+. The BD+ virtual machine embedded in authorized ...
Metro Goldwyn Mayer Studios, Inc. – 321 Studios made copies that allowed users to copy DVDs, including those with CSS copy protection, to another DVD or to a CD-ROM. The company sought declaratory judgment from MGM Studios that their software did not violate the DMCA, or sought to have the DMCA ruled unconstitutional.
AACS decryption process. The Advanced Access Content System ( AACS) is a standard for content distribution and digital rights management, intended to restrict access to and copying of the post- DVD generation of optical discs. The specification was publicly released in April 2005.
Compact Disc and DVD copy protection. CD/DVD copy protection is a blanket term for various methods of copy protection for CDs and DVDs. Such methods include DRM, CD-checks, Dummy Files, illegal tables of contents, over-sizing or over-burning the CD, physical errors and bad sectors. Many protection schemes rely on breaking compliance with CD and ...