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cmuratori's profile
Casey Muratori
Casey Muratori
Casey Muratori
@cmuratori

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Casey Muratori

@cmuratori

I'm worried that the baby thinks people can't change.

Seattle
caseymuratori.com
Joined March 2009

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    1. Casey Muratori‏ @cmuratori 28 Jun 2019

      It is well past time for laws that require all mission-critical software to have publicly published source code. Flying planes, driving cars, and using voting machines whose software hasn't been publicly analyzed is a dangerous (and deadly) policy choice. https://www.bloomberg.com/news/articles/2019-06-28/boeing-s-737-max-software-outsourced-to-9-an-hour-engineers …

      10 replies 109 retweets 427 likes
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      Casey Muratori‏ @cmuratori 28 Jun 2019

      Requiring public disclosure would not only allow concerned programmers to find problems, but it might also create incentives for good software development at corporations because they know they have to publish the code, and if it is poor quality, their reputation suffers.

      11:00 PM - 28 Jun 2019
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      4 replies 7 retweets 111 likes
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        2. Casey Muratori‏ @cmuratori 29 Jun 2019
          Replying to @maximalized

          Literally that very thing would have been discovered if the source code was public. Everyone would have known they dd that, and more importantly, they probably _wouldn't_ have tried to do that if they knew that everyone would see that as soon as the code was made public.

          1 reply 1 retweet 6 likes
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        1. Jacob Christian Munch-Andersen‏ @NoHatCoder 29 Jun 2019
          Replying to @cmuratori

          I think you overestimate that effect. Just look at the history of OpenSSL bugs, lots of silly little mistakes that are easy to spot once you know about them, the problem is that they are hidden in a mountain of code. Finding the bugs is real hard labour.

          0 replies 0 retweets 2 likes
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        2. Dan‏ @DiJuM 29 Jun 2019
          Replying to @cmuratori

          I half agree. It shouldn't be public, but should be made available to an independent panel consisting of peers in the field. Sharing always has problems though, whether that's because of IP or because of restrictions like ITAR.

          1 reply 0 retweets 0 likes
        3. Dan‏ @DiJuM 29 Jun 2019
          Replying to @DiJuM @cmuratori

          Also, in most cases the software for the control laws is not hand-written, it's autogenerated from qualified modelling tools such as SCADE or Simulink; and development follows DO-178C/DO-331, which requires full traceability up to the original requirements.

          0 replies 0 retweets 1 like
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        2. Killon Floor‏ @DillonFlohr 29 Jun 2019
          Replying to @cmuratori

          I think you’re super right. But also, would publicly publishing code allow people to find vulnerabilities and exploit them as well? Or do you think this would not be a huge concern, or they would be found, pointed out, and fixed faster?

          1 reply 0 retweets 0 likes
        3. Casey Muratori‏ @cmuratori 29 Jun 2019
          Replying to @DillonFlohr

          I think it is safe to assume that anything high value enough for people to want to exploit it, black hats somewhere already have that code, either through industrial espionage or infiltration. Relying on "security through obscurity" for critical infrastructure is not good enough.

          0 replies 0 retweets 4 likes
        4. End of conversation
        1. Felipe O. Carvalho‏ @_Felipe 29 Jun 2019
          Replying to @cmuratori

          At the same time, the consensus on what is good code is very partial and leans towards considering good what's actually the worst code

          0 replies 0 retweets 0 likes
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