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- Content_Scramble_System abstract "Content Scramble System (CSS) is a digital rights management (DRM) and encryption system employed on almost all commercially produced DVD-Video discs. CSS utilizes a proprietary 40-bit stream cipher algorithm. The system was introduced around 1996 and was first compromised in 1999.The purpose of CSS is twofold: CSS prevents byte-for-byte copies of an MPEG (digital video) stream from being playable since such copies do not include the keys that are hidden on the lead-in area of the restricted DVD. CSS provides a reason for manufacturers to make their devices compliant with an industry-controlled standard, since CSS scrambled discs cannot in principle be played on noncompliant devices; anyone wishing to build compliant devices must obtain a license, which contains the requirement that the rest of the DRM system (region codes, Macrovision, and user operation prohibition) be implemented.While most CSS-decrypting software is used to play DVD videos, other pieces of software (such as DVD Decrypter, AnyDVD, DVD43, Smartripper, and DVD Shrink) can copy a DVD to a hard drive and remove Macrovision, CSS encryption, region codes, and user operation prohibition.CSS has been superseded by newer DRM schemes such as Content Protection for Recordable Media (CPRM), or by Advanced Encryption Standard (AES) in the Advanced Access Content System (AACS) DRM scheme used by HD DVD and Blu-ray Disc, which have 56-bit and 128-bit key sizes, respectively, providing a much higher level of security than the weak 40-bit key size of CSS.".
- Content_Scramble_System wikiPageExternalLink css.aspx.
- Content_Scramble_System wikiPageExternalLink index.htm.
- Content_Scramble_System wikiPageExternalLink css.html.
- Content_Scramble_System wikiPageID "18935238".
- Content_Scramble_System wikiPageRevisionID "602797527".
- Content_Scramble_System blockSize "2048".
- Content_Scramble_System cryptanalysis "Defeated in 1999 by DeCSS, 40-bit key size is subject to brute-force attack, effective key size is about 16 bits. This can be brute-forced in about a minute by a Pentium II.".
- Content_Scramble_System designers DVD_Forum.
- Content_Scramble_System hasPhotoCollection Content_Scramble_System.
- Content_Scramble_System keySize "40".
- Content_Scramble_System name "Content Scramble System".
- Content_Scramble_System publishDate "1996".
- Content_Scramble_System securityClaim "240".
- Content_Scramble_System structure Stream_cipher.
- Content_Scramble_System subject Category:Broken_stream_ciphers.
- Content_Scramble_System subject Category:Compact_Disc_and_DVD_copy_protection.
- Content_Scramble_System subject Category:DVD.
- Content_Scramble_System subject Category:Digital_rights_management.
- Content_Scramble_System subject Category:Digital_rights_management_standards.
- Content_Scramble_System subject Category:History_of_cryptography.
- Content_Scramble_System subject Category:History_of_television.
- Content_Scramble_System type Abstraction100002137.
- Content_Scramble_System type BrokenStreamCiphers.
- Content_Scramble_System type Cipher106254239.
- Content_Scramble_System type Communication100033020.
- Content_Scramble_System type DRMStandards.
- Content_Scramble_System type Measure100033615.
- Content_Scramble_System type Message106253690.
- Content_Scramble_System type Standard107260623.
- Content_Scramble_System type SystemOfMeasurement113577171.
- Content_Scramble_System comment "Content Scramble System (CSS) is a digital rights management (DRM) and encryption system employed on almost all commercially produced DVD-Video discs. CSS utilizes a proprietary 40-bit stream cipher algorithm.".
- Content_Scramble_System label "Content Scramble System".
- Content_Scramble_System label "Content Scramble System".
- Content_Scramble_System label "Content Scramble System".
- Content_Scramble_System label "Content Scramble System".
- Content_Scramble_System label "Content Scramble System".
- Content_Scramble_System label "Content Scramble System".
- Content_Scramble_System label "Content Scramble System".
- Content_Scramble_System label "Content Scrambling System".
- Content_Scramble_System label "Content Scrambling System".
- Content_Scramble_System label "Content Scrambling System".
- Content_Scramble_System label "نظام بعثرة المحتوى".
- Content_Scramble_System label "內容擾亂系統".
- Content_Scramble_System sameAs Content_Scramble_System.
- Content_Scramble_System sameAs Content_Scrambling_System.
- Content_Scramble_System sameAs Content_Scrambling_System.
- Content_Scramble_System sameAs Content_Scrambling_System.
- Content_Scramble_System sameAs Content_Scramble_System.
- Content_Scramble_System sameAs Content_Scramble_System.
- Content_Scramble_System sameAs Content_Scramble_System.
- Content_Scramble_System sameAs Content_Scramble_System.
- Content_Scramble_System sameAs m.014hy9.
- Content_Scramble_System sameAs Q1128675.
- Content_Scramble_System sameAs Q1128675.
- Content_Scramble_System sameAs Content_Scramble_System.
- Content_Scramble_System wasDerivedFrom Content_Scramble_System?oldid=602797527.
- Content_Scramble_System homepage css.aspx.
- Content_Scramble_System isPrimaryTopicOf Content_Scramble_System.