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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 23 Oct 2017
      • Report Tweet
      • Report NetzDG Violation

      Yup, confirmed: the ROCA guys deliberately obfuscated their vulnerable key test (and made it slower). This is sad.https://github.com/crocs-muni/roca/issues/39 …

      5 replies 41 retweets 69 likes
    2. Zach Brogan  💾‏ @zbrogz 23 Oct 2017
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      • Report NetzDG Violation
      Replying to @marcan42

      Security through obscurity is definitely not useless, like you mention in the comments.

      1 reply 0 retweets 0 likes
    3. Zach Brogan  💾‏ @zbrogz 23 Oct 2017
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      Replying to @zbrogz @marcan42

      Obviously reliance on obscurity is a bad idea, but your assumption that reversing all types of obfuscation is trivial is simply false.

      1 reply 0 retweets 0 likes
    4. Hector Martin‏ @marcan42 23 Oct 2017
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      Replying to @zbrogz

      You can obfuscate all you want, but it's always breakable given enough effort. Commercial products claiming otherwise are snake oil.

      1 reply 0 retweets 0 likes
    5. Hector Martin‏ @marcan42 23 Oct 2017
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      Replying to @marcan42 @zbrogz

      Of course that doesn't mean you should never do it, since sometimes obfuscation is all you *can* do, but what they've done here is silly.

      1 reply 0 retweets 1 like
    6. Zach Brogan  💾‏ @zbrogz 23 Oct 2017
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      Replying to @marcan42

      I agree in this particular case, but which is safer, a safe on a street corner or a safe buried in an unknown field?

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 23 Oct 2017
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      Replying to @zbrogz

      Bad analogy; in this world everyone owns a copy of the safe and can make safe-cracking robots for free and combine efforts.

      2:50 PM - 23 Oct 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        1. Zach Brogan  💾‏ @zbrogz 23 Oct 2017
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          Replying to @marcan42

          Maybe having access to the same model safe, but not necessarily a copy of the safe with the same contents. That would depend on situation.

          1 reply 0 retweets 0 likes
        2. Hector Martin‏ @marcan42 23 Oct 2017
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          Replying to @zbrogz

          For obfuscation it's always a copy of the safe with the same contents. Otherwise there is other security involved. Obfuscation is cloneable.

          1 reply 0 retweets 1 like
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