ISCTE-IUL/ISTA/ADETTI-IUL Instituto Superior de Ciências do Trabalho e da Empresa Lisbon University Institute ISCTE-IUL School of Technology and Architecture ADETTI-IUL Carlos Serrão [email protected][email protected]http://www.carlosserrao.net http://blog.carlosserrao.net http://www.linkedin.com/in/carlosserrao To DRM or not to DRM? ESCE/IPS, 6 de Dezembro, 2011
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ISCTE-IUL/ISTA/ADETTI-IUL
Instituto Superior de Ciências do Trabalho e da EmpresaLisbon University Institute
ISCTE-IUL School of Technology and ArchitectureADETTI-IUL
To DRM or not to DRM?ESCE/IPS, 6 de Dezembro, 2011
6.Dez.2011To DRM or not to DRM?
About me...2
6.Dez.2011To DRM or not to DRM?
Content
¨ In media production and publishing, content is information and experiences that may provide value for an end-user/audience in specific contexts.
¨ Content may be delivered via any medium such as the internet, television, and audio CDs, as well as live events such as conferences and stage performances.
¨ The word is used to identify and quantify various formats and genres of information as manageable value-adding components of media.
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6.Dez.2011To DRM or not to DRM?
Intellectual Property
¨ Intellectual property (IP) is a term referring to a number of distinct types of creations of the mind for which a set of exclusive rights are recognized—and the corresponding fields of law
¨ Under intellectual property law, owners are granted certain exclusive rights to a variety of intangible assets, such as musical, literary, and artistic works; discoveries and inventions; and words, phrases, symbols, and designs.
¨ Types of intellectual property rights:¤ copyrights
¤ trademarks
¤ patents
¤ industrial design rights
¤ trade secrets
¤ ...
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Copyright is a legal concept, enacted by most governments, giving the creator of an original work exclusive rights to it, usually for a limited time.
Generally, it is "the right to copy", but also gives the copyright holder the right to be credited for the work, to determine who may adapt the work to other forms, who may perform the work, who may financially benefit from it, and other, related rights.
1. 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.
2. 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.
Since appearing in devices in 2006, several AACS decryption keys have been extracted from weakly protected software players and published on the Internet, allowing decryption by other unlicensed software.
Digital files cannot be made uncopyable, any more than water can be made not wet.
Bruce Schneierin Crypto Gram, 15 May 2001http://www.schneier.com/crypto-gram-0105.html#3
John Fanning Shawn Fanning
It was originally founded as a pioneering peer-to-peer file sharing Internet service that emphasized sharing audio files, typically music, encoded in MP3 format.
In its second incarnation Napster became an online music store until it merged with Rhapsody on 1 December 2011.
Licensees may copy, distribute, display and perform the work and make derivative works based on it only if they give the author or licensor the credits in the manner specified by these.
Attribution (by)
Licensees may copy, distribute, display, and perform the work and make derivative works based on it only for noncommercial purposes.
Noncommercial (nc)
Licensees may copy, distribute, display and perform only verbatim copies of the work, not derivative works based on it.
No Derivative Works (nd)
Licensees may distribute derivative works only under a license identical to the license that governs the original work.