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The details don't seem clear, and I don't know that there's necessarily a unique key rather than stuff being batched, but basically yeah there's a cert chain back to a "trusted" source


how does the decryption key get into the GPU?

are GPU's currently shipping preprogrammed with keys used in DRM?


Yes, every* card since the Kaby Lake iGPUs or Nvidia 1080 cards.

*To all intents and purposes, I'm sure there's some exceptions with no market share.


Some GPUs have their own silicon root of trust.

Intel ME has a role in PAVP (Protected Audio/Video Path).




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