this post was submitted on 24 May 2024
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Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ
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I think they're using Widevine DRM. And with DRM they can enforce whatever arbitrary policies they like. They set special restrictions for Linux. I think Amazon set 480p as max, Netflix 720p and YouTube 4k or sth like that. AFAIK it has little to do with technology. It's just a number that the specific company sets in their configuration.
But... Why? Why would they get different restrictions on the basis of operating system?
It's whether the OS has hardware to make the platform "trusted." Android does by default with Widevine, Windows does by default with TPM and Widevine, Linux does not by default.
"Trusted" here of course means, trusted by the company, not by the user. If it's a trusted platform, it has a cryptographic key exchange space that the user does not have access to. This prevents a spoofed DRM certificate or other interception of the HD stream, which in theory prevents a stream from leaking.
"In theory" of course, because every piece of content is ripped and available DRM-free as soon as it's released.
Thank you for this clear, helpful answer