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Decrypting more complicated L1 secured DRM streamings. (sh.itjust.works)

submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]

14 comments fedilink hide all child comments

Hey, I finally learned how to break widevine and managed to get some drm content decrypted. I did this woth tubi which was relatively easy. So, Next I would like to embark on the adventure of decrypting some paid streamings, esp. D1sn3y and H8O M1X. any tutorials on that? From what I tried, the process is not as simple as with tubi (maybe because tubi is mkre straightforwaed and free?). Anyway, Im eager to learn and would be grateful of any good guide on that. 🏴‍☠️

Edit: Okay, since I grasped bascics, now its getting easier and I managed to download some content from D1sn3y using N_m3u8DL-RE but only in 720p. Is it possible to get it in 1080p?

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[–] [email protected] 10 points 3 weeks ago (2 children)

Disney, MAX, and other uses L1 for 1080p and up. Even if you managed to download a 1080p from Disney, you need L1 keys. If you have an android that has L1 cdm, you can extract it (don't know how). And L1 cdm gets blacklisted after few hours or days. You need another L1.

Streamfab is much easier to use for L3 content. Streamfab emulator can download 10 videos per day, and then use VPN or TMAC to bypass 10 downloads.

Be careful, some people will try to scam you selling you L1 cdm.

[–] [email protected] 2 points 3 weeks ago* (last edited 3 weeks ago) (2 children)

To decrypt 1080p content I would need L1 keys? L3 would not work? Technically, could I extract L1 cmds from browser and use those?

[–] [email protected] 3 points 3 weeks ago* (last edited 3 weeks ago) (1 children)

AFAIK, L1 are hardware backed using Trusted Execution Environment like ARM TrustZone. Unless you can find an exploit to exfil the key from the chip, you have no luck. It was done before and published, but I believe it is patched already. Anyone holding such exploit would keep close to their chest to avoid it beimg patched.

[–] [email protected] 1 points 3 weeks ago (1 children)

How would knowledge like this get shared in the scene? I'd imagine it would need to be passed somehow between teams, no?

[–] [email protected] 1 points 2 weeks ago (1 children)

Maybe. I'm not in the loop but I believe you would need to gain some solid trust from the core team to get that access. It won't be a knowledge just flows in the scene up for any newly join members to grab.

[–] [email protected] 1 points 2 weeks ago

It won't be a knowledge just flows in the scene up for any newly join members to grab.

Oh for sure not. That would be so suscepticle to DRM-moles ;D

[–] [email protected] 2 points 3 weeks ago

Yes, it won't work with L3 keys. As far as I know, L1 is different, you cannot just extract it without hacking it.

I never heard of L2 too so no idea. And yeah, you need physical device for L1. In some cases, you don't actually need the device, but the keys to decrypt the video.

[–] [email protected] 4 points 3 weeks ago

Okaaay, now I got it. If I wanted to use L1 cdms I would have to extract them oftenly right? And propably They would have to be from physical device and not virtual android studio?

Anyway, it seems more complicated. But what about L2? just of curiosity - where is it used? Never heard of L2.