Re:EME, CDM, AES, CENC, and Keys – Building Blocks of DRM
by MaxBarraclough on Tuesday November 03, 2020 @08:42AM
(#24979547)
> the CDM vendors are Google, MSFT, and Apple
Also Adobe, although I'm not sure if their CDM (Adobe Primetime) is still relevant.
> which is why the CDM is a contentious topic because you have no way to see what's inside it
Related to this: Firefox takes steps to try to contain the CDM blob within a sandbox. [0] See also this old blog post from before Firefox switched from Adobe's CDM to Google's WideVine CDM. [1]
Also Adobe, although I'm not sure if their CDM (Adobe Primetime) is still relevant.
> which is why the CDM is a contentious topic because you have no way to see what's inside it
Related to this: Firefox takes steps to try to contain the CDM blob within a sandbox. [0] See also this old blog post from before Firefox switched from Adobe's CDM to Google's WideVine CDM. [1]
[0] https://wiki.mozilla.org/Security/Sandbox/Architecture#GMP_p...
[1] https://hacks.mozilla.org/2014/05/reconciling-mozillas-missi...