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Content Decryption Module Interface Specification: An open interface for enabling HTML5 Encrypted Media Extensions in open source browsers

Content Decryption Module Interface Specification: An open interface for enabling HTML5 Encrypted Media Extensions in open source browsers | DRM video | Scoop.it

The W3C HTML working group is developing media extension specifications for HTML5 to enable the delivery of commercial video to consumers over the Web. One of these is the Encrypted Media Extensions (EME) specification. The current specification describes an open interface which may be used to implement an EME-compliant Content Decryption Module (CDM) within a User-agent, providing access to a platform DRM component which supports the defined Content Decryption Module interface (CDMi).


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DRM in HTML5 : not ready for prime time

DRM in HTML5 : not ready for prime time | DRM video | Scoop.it

A few days ago, a new proposal was put forward in the HTML Working Group (HTML WG) by Microsoft, Netflix, and Google to take DRM in HTML5 to the next stage of standardization at W3C. This triggered another uproar about the morality and ethics behind DRM and building it into the Web. There are good arguments about morality/ethics on both sides of the debate but ultimately, the HTML WG will decide whether or not to pursue the specification based on technical merit. I am a member of the HTML WG. I was also the founder of a start-up that focused on building a legal, peer-to-peer, content distribution network for music and movies. It employed DRM much like the current DRM in HTML5 proposal. During the course of 8 years of technical development, we had talks with many of the major record labels. I have first-hand knowledge of the problem, and building a technical solution to address the problem.

 

The Encrypted Media Extensions (DRM in HTML5) specification does not solve the problem the authors are attempting to solve, which is the protection of content from opportunistic or professional piracy. The HTML WG should not publish First Public Working Drafts that do not effectively address the primary goal of a specification.


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W3C proceeds with Web video encryption despite opposition

W3C proceeds with Web video encryption despite opposition | DRM video | Scoop.it

The Web standards group is going ahead with its Encrypted Media Extensions technology despite some opposition, arguing it's a step in the right direction.

 

The World Wide Web Consortium has decided to go ahead with a technology that will let companies like Netflix stream encrypted video using Web sites -- against the wishes of the Free Software Foundation, Electronic Frontier Foundation, and 25,600 petition signatories.

 

The Web standards group announced the move Thursday, to nobody's surprise. Entertainment-industry players had approached the group three years ago to discuss the technology, Microsoft has been helping develop it, and Google already has built the specification, called Encrypted Media Extensions (EME) into Chrome.

 

The standard doesn't actually handle encryption and digital rights management (DRM) to govern who gets to see or copy video. Instead, it provides a standard mechanism that lets a browser call upon a plug-in that handles the work. In other words, it enables encryption but doesn't do the encryption itself.

 


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Nicolas Weil's curator insight, May 11, 2013 2:59 AM

Ars Technica's Opinion : "DRM in HTML5 is a victory for the open Web, not a defeat" http://goo.gl/BNHh1

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Encrypted Media Extensions for HTML5 by Google, Microsoft and Netflix

Encrypted Media Extensions for HTML5 by Google, Microsoft and Netflix | DRM video | Scoop.it

This proposal extends HTMLMediaElement to enable playback of protected content. The proposed API supports use cases ranging from simple clear key decryption to high value video (given an appropriate user agent implementation). License/key exchange is controlled by the application, facilitating the development of robust playback applications supporting a range of content decryption and protection technologies. No "DRM" is added to the HTML5 specification, and only simple clear key decryption is required as a common baseline.


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