As part of their “Defective by Design” anti-DRM campaign, the FSF recently made the following claim:

Today, most of the major streaming media platforms utilize the TPM to decrypt media streams, forcefully placing the decryption out of the user’s control (from here).

This is part of an overall argument that Microsoft’s insistence that only hardware with a TPM can run Windows 11 is with the goal of aiding streaming companies in their attempt to ensure media can only be played in tightly constrained environments.

I’m going to be honest here and say that I don’t know what Microsoft’s actual motivation for requiring a TPM in Windows 11 is. I’ve been talking about TPM stuff for a long time. My job involves writing a lot of TPM code. I think having a TPM enables a number of worthwhile security features. Given the choice, I’d certainly pick a computer with a TPM. But in terms of whether it’s of sufficient value to lock out Windows 11 on hardware with no TPM that would otherwise be able to run it? I’m not sure that’s a worthwhile tradeoff.

What I can say is that the FSF’s claim is just 100% wrong, and since this seems to be the sole basis of their overall claim about Microsoft’s strategy here, the argument is pretty significantly undermined. I’m not aware of any streaming media platforms making use of TPMs in any way whatsoever. There is hardware DRM that the media companies use to restrict users, but it’s not in the TPM - it’s in the GPU.

  • PowerCrazy@lemmy.ml
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    4 hours ago

    yea, ever since TPM was first making the conspiracy rounds in the 90’s there has been a huge misunderstanding of its purpose, let alone its capabilities. I 100% agree with the author that looking at the TPM as an evil blackbox is really just depriving users of a tool that can be implemented in an open source way to secure user privacy. The GPU however is impossible to implement in an opensource way by everyone except a small handful of semiconductor companies, and even then you would rely on proprietary microcode that woul take millions of manhours to reverse engineer if it were even possible. So if I were some megacorp who relied on Imaginary Property, the GPU that was exclusively created by a fellow megacorp is where I’d place my trust.

    I also dont know why Win11 requires a tpm2.0, but since it does, and my current computer doesnt have one, I’m certanly not going to run it.