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So, the only thing stopping a user from obtaining a clean copy of the content is the fact that the CDM is closed source?<p>What if a CDM vendor leaked the source code? I guess the DRM server would block them after a while, but before they notice, the user would have free access to the content, right?

Very informative article. Never knew different aspects of the DRM. However i chuckled when I saw the names Ram, Shyam and Hari. Not too often do you see any names besides Alice and Bob.

That's a good breakdown of how much effort is spent on unethical application of technology.<p>But advertising DRM on the site: "buy DRM"? That's already disgusting.

I've been trying to understand this drm for some uses for past 6 month. I got few bits and pieces, but this article really put them together in a marvelous fashion. kudos

Not sure if the author is here, but the table-of-contents links at the top are broken (all go to the first page)

Very informative article. Never knew different aspects of the DRM. However i chuckled when I saw the names Ram, Shyam and Hari. Not too often do you see any names besides Alice and Bob.

That's a good breakdown of how much effort is spent on unethical application of technology.<p>But advertising DRM on the site: "buy DRM"? That's already disgusting.

I've been trying to understand this drm for some uses for past 6 month. I got few bits and pieces, but this article really put them together in a marvelous fashion. kudos

Not sure if the author is here, but the table-of-contents links at the top are broken (all go to the first page)

EME, CDM, AES, CENC, and Keys – Building Blocks of DRM

5 条评论

EME, CDM, AES, CENC, and Keys – Building Blocks of DRM

5 条评论