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David3141593's profile
Dаvіd Вucһаnаn
Dаvіd Вucһаnаn
Dаvіd Вucһаnаn
@David3141593

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Dаvіd Вucһаnаn

@David3141593

from pwn import *; alias = "Retr0id"

Ring -1
da.vidbuchanan.co.uk
Joined December 2013

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    1. Dаvіd Вucһаnаn‏ @David3141593 2 Jan 2019
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      Soooo, after a few evenings of work, I've 100% broken Widevine L3 DRM. Their Whitebox AES-128 implementation is vulnerable to the well-studied DFA attack, which can be used to recover the original key. Then you can decrypt the MPEG-CENC streams with plain old ffmpeg...

      39 replies 790 retweets 2,169 likes
      Show this thread
    2. Dаvіd Вucһаnаn‏ @David3141593 2 Jan 2019
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      #fulldisclosure

      2 replies 3 retweets 84 likes
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    3. Dаvіd Вucһаnаn‏ @David3141593 2 Jan 2019
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      plz no lawsuit

      1 reply 16 retweets 265 likes
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    4. Dаvіd Вucһаnаn‏ @David3141593 2 Jan 2019
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      Huge thanks to @doegox and the Side-Channel Marvels project for making this attack scarily trivial to pull off.

      1 reply 5 retweets 97 likes
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      Dаvіd Вucһаnаn‏ @David3141593 2 Jan 2019
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      pic.twitter.com/Z0K3SKt1kO

      4:05 PM - 2 Jan 2019
      • 312 Retweets
      • 993 Likes
      • kinetic kiss vehicle delan BrightShadow 🦇ℭ𝔥𝔯𝔦𝔰 (saltyeyes)🦇 EM Lewis Westwood Flood Nebojša Badnjar Michael bates UNLiMiTED FRiDAY
      7 replies 312 retweets 993 likes
        1. This Tweet is unavailable.
        2. Jackie Lee Zeto‏ @JackieZeto 2 Jan 2019
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          Basically, the protection used for those company's streaming services can be cracked with one old trick.

          1 reply 0 retweets 18 likes
        3. 1 more reply
        1.  ⭐Steven 'Into The Sea' Ketelsen ⭐‏ @podfish 3 Jan 2019
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          Replying to @David3141593 @mainframed767

          Flippy Bois omg

          0 replies 0 retweets 8 likes
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        1. Mate Soos‏ @SoosMate 4 Jan 2019
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          Replying to @David3141593

          CryptoMiniSat involved? Drop me a line, I'm the author :) I'd be happy to check if I can make it faster for your use case. Plus the CNF would be great for the SAT competition this year!

          0 replies 0 retweets 1 like
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        1. New conversation
        2. Vectrobe (Paul17041993)‏ @Vectrobe 5 Jan 2019
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          Replying to @David3141593

          I still don't get why companies still bother with DRM, it still gets cracked apart pretty quickly, and all it ever does is make it almost impossible to watch things legitimately...

          1 reply 0 retweets 1 like
        3. I’m ready to get off this ride now‏ @jcolebrand 9 Jan 2019
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          Replying to @Vectrobe @David3141593

          Legal reasons. They have to try to make an effort to protect copyrights, especially when they are merely the transmission and not content owners

          0 replies 0 retweets 0 likes
        4. End of conversation
        1. BlipsAndChitz‏ @Blips_and_Chitz 4 Jan 2019
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          Replying to @David3141593

          Did you also try to apply DCA?

          0 replies 0 retweets 0 likes
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        1. Nate  🚀 🇺🇸‏ @BeansTown106 3 Jan 2019
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          Replying to @David3141593

          Is this essentially how pirates have been ripping high quality Amazon streams of almost every tv show for the past year or two?

          0 replies 0 retweets 4 likes
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        1. walrussian asset  🌹 🦺‏ @zebrankyy 4 Jan 2019
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          Replying to @David3141593

          how are you able to inject faults?

          0 replies 0 retweets 0 likes
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