https://www.reddit.com/r/Android/comments/8cb99a/android_verified_boot_remote_attestation/dxfnt4i/ … Good luck with that "unbreakable" DRM. How exactly do you stop someone from recording the screen? Widevine already provided hardware-enforced DRM without needing general purpose remote attestation usable for non-DRM purposes and other operating systems.
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Replying to @CopperheadOS
Screen recording is not useful except as a last resort. High effort, low quality result. Widevine is trivially-removable DRM (removable in sense that you get full-quality original data) for someone experienced in RE.
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Replying to @RichFelker @CopperheadOS
If you like remote attestation, fine, but I want it nowhere near me.
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Replying to @RichFelker
No more Android phones, iPhones or any other phones with a TPM or comparable TEE for you then. Not sure what you think is bad about using these features for something good like our Auditor app / service. Not aware of anyone using the feature for DRM at this time anyway.
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Replying to @CopperheadOS
If the software is not exposing access to it, presence of hardware that could be used for it doesn't really matter.
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Replying to @RichFelker
Okay, to rephrase then, all Android phones, iPhones, Chromebooks and business laptops running Windows have this feature in hardware and expose it via the OS. It doesn't matter that you run LineageOS. They go out of their way to bundle even the userspace components for Widevine.
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Non-business laptops, Laptops running non-Windows OS, non-bleeding-edge Android phones do not have this misfeature. The fewer mainstream systems lack it, the more dangerous it is.
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