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An English researcher, David Buchanan, said on Twitter that he was able to break the WideVine L3 DRM lock developed by Google.
Large content delivery companies such as Netflix, Amazon Prime Video, Google Play, and Spotify use technology that prevents them from copying their content when they are consumed on devices such as PCs, tablets, or tablets. cell phones.
This feature called Digital Rights Management (DRM) is essential for this type of service precisely because it prevents hacking of this content.
The alleged accomplishment means that, if it is true, the content protected by Widevine L3 DRM could be copied illegally, which represents a serious problem for these companies.
it: "The implementation of their AES-128 Whitebox is vulnerable to the well-researched DFA attack, which can be used to recover the original key, and then simply decrypt MPEG-CENC transmissions with a simple ffmpeg … ", design.
The owner of the technology, Widevine, was purchased by Google in 2010 and, since the merger, has been widely used through Google products such as Chorme and Android, a platform used by most content consumers multimedia in the world.
Soooo, after a few nights of work, I broke 100% with Widevine L3 DRM. The implementation of the Whitebox AES-128 is vulnerable to the well-studied DFA attack, which can be used to recover the original key. Then you can decipher MPEG-CENC streams with simple ffmpeg …
– Ducé Lucien (@ David3141593) on January 2, 2019
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