Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD conversion.

Before you start posting please read the forum rules. By posting to this forum you agree to abide by the rules.

 

Go Back   Doom9's Forum > General > Decrypting

Reply
 
Thread Tools Search this Thread Display Modes
Old 12th February 2024, 15:19   #1  |  Link
LigH
German doom9/Gleitz SuMo
 
LigH's Avatar
 
Join Date: Oct 2001
Location: Germany, rural Altmark
Posts: 6,828
37C3 - Full AACSess: Exposing and exploiting AACSv2 UHD DRM for your viewing pleasure

DVD Video, Content Scrambling System: ❌
Blu-ray Video, AACS v1: ❌ (Free Speech Flag) — props to muslix64
Ultra HD Blu-ray, AACS v2: ❌ ... and already nearly obsolete by intel removing SGX from gen. 11+

media.ccc.de proudly presents a demonstration on the 37C3 (37th Chaos Communication Congress) that AACSv2 on Ultra HD Blu-ray has been broken too (YouTube video)

The core attempt is breaking Intel SGX using side channel attacks and emulating the authentication in Python on a RasPI.

Minute 25: Wait ... did CyberLink accidentally ship their software debugging implementation with PowerDVD 20 Ultra?
__________________

New German Gleitz board
MediaFire: x264 | x265 | VPx | AOM | Xvid

Last edited by LigH; 12th February 2024 at 16:49.
LigH is offline   Reply With Quote
Old 12th February 2024, 17:33   #2  |  Link
hajj_3
Registered User
 
Join Date: Mar 2004
Posts: 1,131
this was posted in another thread a month ago.
hajj_3 is offline   Reply With Quote
Old 12th February 2024, 17:37   #3  |  Link
LigH
German doom9/Gleitz SuMo
 
LigH's Avatar
 
Join Date: Oct 2001
Location: Germany, rural Altmark
Posts: 6,828
But the video was released today...
__________________

New German Gleitz board
MediaFire: x264 | x265 | VPx | AOM | Xvid
LigH is offline   Reply With Quote
Old 12th February 2024, 17:43   #4  |  Link
hajj_3
Registered User
 
Join Date: Mar 2004
Posts: 1,131
Quote:
Originally Posted by LigH View Post
But the video was released today...
https://forum.doom9.org/showthread.php?t=185232
hajj_3 is offline   Reply With Quote
Old 12th February 2024, 17:49   #5  |  Link
LigH
German doom9/Gleitz SuMo
 
LigH's Avatar
 
Join Date: Oct 2001
Location: Germany, rural Altmark
Posts: 6,828
... on YouTube. And while the CCC published it on their own server, I missed it in hospital. Sorry.
__________________

New German Gleitz board
MediaFire: x264 | x265 | VPx | AOM | Xvid
LigH is offline   Reply With Quote
Old 14th February 2024, 00:00   #6  |  Link
coricopat
Registered User
 
Join Date: Jan 2024
Posts: 26
I wonder whether anything that is actually practically usable for end-users comes out from this talk.

But I don't think the author actually released any code of how he did it.
coricopat is offline   Reply With Quote
Old 14th February 2024, 14:53   #7  |  Link
LigH
German doom9/Gleitz SuMo
 
LigH's Avatar
 
Join Date: Oct 2001
Location: Germany, rural Altmark
Posts: 6,828
It was mainly a proof of concept: The system is vulnerable.

And because that was not the only attack vector, intel discontinued the support of SGX in newer CPUs already.

BleepingComputer: New Intel chips won't play Blu-ray disks due to SGX deprecation
__________________

New German Gleitz board
MediaFire: x264 | x265 | VPx | AOM | Xvid
LigH is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +1. The time now is 17:52.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.