

For example: Netflix run on a browser, but it only sends you encrypted data, you need to enable your browser’s DRM setting to decrypt this data. For HD content, it uses L1 Widevine that only works on Secure Boot enabled and TPM enabled Windows installation. So the decryption runs in the secure element, then data displayed on your screen. I’m no expert but its designed in a way that makes screen recorders unable to capture the video, resulting in a blackscreen.
If you try to play it on Linux, it reverts back to L3 Widevine which only for netflix they only allow SD content to run with L3 Widevine
Of course you can use an actual camera to record the screen, but then its a degraded image.
So Youtube could theoretically enforce L1 Widewine on every video, if they wanted to.







Will you join in our crusade, will you be strong and stand with me?
Beyond the barricade is there a world you longed to see?
Then JOIN IN THE FIGHT, that will GIVE YOU THE RIGHT to be FREE!
(legal disclaimer: just quoting song lyrics, it’s not illegal right? Hello Mr. FBI Agent watching me 😏)