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Content Scramble System

Index Content Scramble System

The Content Scramble System (CSS) is a digital rights management (DRM) and encryption system employed on many commercially produced DVD-Video discs. [1]

37 relations: Advanced Access Content System, Advanced Encryption Standard, Blu-ray, Brute-force attack, Computer Lib/Dream Machines, Content Protection for Recordable Media, Correlation attack, Data Encryption Standard, DeCSS, Digital rights management, Disk sector, DVD, DVD Copy Control Association, DVD Forum, DVD region code, DVD-Video, Encryption, Ethan Hawke, Export of cryptography from the United States, Frank A. Stevenson, HD DVD, Key size, Keystream, Libdvdcss, Linear-feedback shift register, MPEG program stream, Non-disclosure agreement, Open-source software, Pentium II, Regional Playback Control, Reverse engineering, SCSI Multimedia Commands, Security level, Source (journalism), Stream cipher, Ted Nelson, 40-bit encryption.

Advanced Access Content System

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.

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Advanced Encryption Standard

The Advanced Encryption Standard (AES), also known by its original name Rijndael, is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology (NIST) in 2001.

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Blu-ray

Blu-ray or Blu-ray Disc (BD) is a digital optical disc data storage format.

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Brute-force attack

In cryptography, a brute-force attack consists of an attacker trying many passwords or passphrases with the hope of eventually guessing correctly.

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Computer Lib/Dream Machines

Computer Lib is a 1974 book by Ted Nelson, originally published by Nelson himself, and printed with Dream Machines, another book by Nelson, as a two front cover paperback to indicate its intertwingled nature, and was republished with a foreword by Stewart Brand in 1987 by Microsoft Press.

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Content Protection for Recordable Media

Content Protection for Recordable Media and Pre-Recorded Media (CPRM/CPPM) is a mechanism for controlling the copying, moving and deletion of digital media on a host device, such as a personal computer, or other player.

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Correlation attack

In cryptography, correlation attacks are a class of known plaintext attacks for breaking stream ciphers whose keystream is generated by combining the output of several linear feedback shift registers (called LFSRs for the rest of this article) using a Boolean function.

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Data Encryption Standard

The Data Encryption Standard (DES) is a symmetric-key algorithm for the encryption of electronic data.

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DeCSS

DeCSS was one of the first free computer programs capable of decrypting content on a commercially produced DVD video disc.

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Digital rights management

Digital rights management (DRM) is a set of access control technologies for restricting the use of proprietary hardware and copyrighted works.

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Disk sector

In computer disk storage, a sector is a subdivision of a track on a magnetic disk or optical disc.

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DVD

DVD (an abbreviation of "digital video disc" or "digital versatile disc") is a digital optical disc storage format invented and developed by Philips and Sony in 1995.

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DVD Copy Control Association

The DVD Copy Control Association (DVD CCA) is an organization primarily responsible for the copy protection of DVDs.

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DVD Forum

The DVD Forum is an international organization composed of hardware, software, media and production companies that use and develop the DVD and formerly HD DVD formats.

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DVD region code

DVD (digital versatile disc) region codes are a digital rights management technique designed to allow rights holders to control the international distribution of a DVD release, including its content, release date, and price, all according to the appropriate region.

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DVD-Video

DVD-Video is a consumer video format used to store digital video on DVD discs, and is the dominant consumer video format in Asia, North America, Europe, and Australia.

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Encryption

In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot.

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Ethan Hawke

Ethan Green Hawke (born November 6, 1970) is an American actor, writer, and director.

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Export of cryptography from the United States

The export of cryptographic technology and devices from the United States was severely restricted by U.S. law until 1992, but was gradually eased until 2000; some restrictions still remain.

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Frank A. Stevenson

Frank A. Stevenson (born 1970) is a Norwegian software developer, and part-time cryptanalyst.

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HD DVD

HD DVD (short for High Definition Digital Versatile Disc) is a discontinued high-density optical disc format for storing data and playback of high-definition video.

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Key size

In cryptography, key size or key length is the number of bits in a key used by a cryptographic algorithm (such as a cipher).

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Keystream

In cryptography, a keystream is a stream of random or pseudorandom characters that are combined with a plaintext message to produce an encrypted message (the ciphertext).

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Libdvdcss

libdvdcss (or libdvdcss2 in some repositories) is a free and open source software library for accessing and unscrambling DVDs encrypted with the Content Scramble System (CSS).

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Linear-feedback shift register

In computing, a linear-feedback shift register (LFSR) is a shift register whose input bit is a linear function of its previous state.

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MPEG program stream

Program stream (PS or MPEG-PS) is a container format for multiplexing digital audio, video and more.

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Non-disclosure agreement

A non-disclosure agreement (NDA), also known as a confidentiality agreement (CA), confidential disclosure agreement (CDA), proprietary information agreement (PIA) or secrecy agreement (SA), is a legal contract between at least two parties that outlines confidential material, knowledge, or information that the parties wish to share with one another for certain purposes, but wish to restrict access to or by third parties.

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Open-source software

Open-source software (OSS) is a type of computer software whose source code is released under a license in which the copyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.

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Pentium II

The Pentium II brand refers to Intel's sixth-generation microarchitecture ("P6") and x86-compatible microprocessors introduced on May 7, 1997.

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Regional Playback Control

RPC-1 and RPC-2 are designations applied to firmware for DVD drives.

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Reverse engineering

Reverse engineering, also called back engineering, is the process by which a man-made object is deconstructed to reveal its designs, architecture, or to extract knowledge from the object; similar to scientific research, the only difference being that scientific research is about a natural phenomenon.

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SCSI Multimedia Commands

SCSI Multimedia Commands (MMC) defines a SCSI/ATAPI based command set for accessing multimedia features on devices capable of such functionality.

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Security level

In cryptography, security level is a measure of the strength that a cryptographic primitive — such as a cipher or hash function — achieves.

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Source (journalism)

In journalism, a source is a person, publication, or other record or document that gives timely information.

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Stream cipher

A stream cipher is a symmetric key cipher where plaintext digits are combined with a pseudorandom cipher digit stream (keystream).

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Ted Nelson

Theodor Holm "Ted" Nelson (born June 17, 1937) is an American pioneer of information technology, philosopher, and sociologist.

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40-bit encryption

40-bit encryption refers to a key size of forty bits, or five bytes, for symmetric encryption; this represents a relatively low level of security.

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Content Scrambling System, Content scrambling system, Content-scrambling system.

References

[1] https://en.wikipedia.org/wiki/Content_Scramble_System

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