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In order for you to be able to use streaming content on your PC, mobile phone, tablet or TV, businesses are using technology that prevents the copying of such content – it's called DRM.
However, security researcher David Buchanan says that he broke the Widevine L3 DRM lock, developed by Google. and used by some of the largest streaming platforms such as Netflix, Google Play, Spotify and Amazon Prime Video.
Soooo, after a few nights of work, I completely broke the L3 Widevine 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 decrypt MPEG-CENC streams with old ffmpeg files …
– D? V? D? Uch? NOT? (@ David3141593) Jan 2, 2019
"Working afternoon, I broke 100% of DRV Widevine L3," wrote Buchanan on his Twitter. "The implementation of their AES-128 Whitebox is vulnerable to the already well-researched DFA attack, which can be used to recover the original key, simply to decrypt MPEG-CENC transmissions with a simple ffmpeg … "
This means that if the technique applied by Buchanan works, the content protected by Google's technology may be copied illegally. , which would be a nightmare for streaming companies. Google has not yet unveiled the case, but it is highly likely that the company will release updates to improve the security of its product.
Widevine was acquired by Google in 2010, and since then, technology has been widely used, including through the reach of Google products such as Chrome and Android, through which users consume multimedia content virtually worldwide .
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