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dguido's profile
Dan Guido
Dan Guido
Dan Guido
@dguido

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Dan Guido

@dguido

CEO @trailofbits, organizer @EmpireHacking, director @hack_secure. Open DMs.

Brooklyn, NY
trailofbits.com
Joined April 2008

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    1. Trail of Bits‏ @trailofbits May 21
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      Reinventing Vulnerability Disclosure using Zero-knowledge Proofshttp://blog.trailofbits.com/2020/05/21/reinventing-vulnerability-disclosure-using-zero-knowledge-proofs/ …

      4 replies 58 retweets 137 likes
    2. sth‏ @__sth__ May 21
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      Replying to @trailofbits

      I can't see how creating ZK proof by emulation is even feasible for a multi-stage kernel/usermode/browser exploit. The sheer amount of work required to maintain a working, up-to-date, and diverse emulation platform for exploits to run on makes this method impractical.

      1 reply 0 retweets 2 likes
    3. Natanael, tech janitor‏ @Natanael_L May 21
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      Replying to @__sth__ @trailofbits

      There are methods for simply translating code (even binaries if you have to) into ZKP statements, but of course that might have serious performance penalties when the code you're generating proofs for isn't optimized for ZKP purposes.

      1 reply 0 retweets 0 likes
    4. sth‏ @__sth__ May 21
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      Replying to @Natanael_L @trailofbits

      Good luck compiling the linux kernel and chrimium to zpk statements. Even if you manage to pass that hurdle, how would you evaluate a successful heap spray or any other non-deterministic aspect which is not uncommon in modern exploits?

      1 reply 0 retweets 1 like
      Dan Guido‏ @dguido May 21
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      Replying to @__sth__ @Natanael_L @trailofbits

      You're right! It's exceptionally hard with unclear solutions, and that's why it's research. We'll be starting simple and scaling up. We have 4 years, so there's lots of progress to be made.

      6:06 PM - 21 May 2020
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      • Adam Natanael, tech janitor sth
      1 reply 0 retweets 3 likes
        1. sth‏ @__sth__ May 21
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          Replying to @dguido @Natanael_L @trailofbits

          Good luck :)

          0 replies 0 retweets 0 likes
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