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question about widevine decryption
(lemmy.dbzer0.com)
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this post was submitted on 21 Jul 2023
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That would work. For example I download on my laptop but decrypt using a key/cdm from my tablet.
Awesome - So is there anything I need to make note of when downloading or can I just download everything and figure out what I need for decryption later?
I download audio and video to seperate files, decrypt the files and then remux together...
What is the reason everyone is using cdm extracted from an android device, when a webbrowser also has a cdm?
During cdm dumping the functions within are hooked, so while decrypting video, the private key can be extracted.
On Android this is easiest because automatic scripts exist and you can rather easily get root access.
Does this work with the latest widevine decryption? 3 I think?
Method should still work for L3 decryption. L1 decryption is hardware based instead of software based and afaik not possible to crack yet.
Ah, I had the numbers backwards. Is L1 heavily in-use?
Yes. Depends on the platform. For example with Netflix L1 is required for full HD, L3 will only give you access to SD content.