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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
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      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. mongo‏ @mongobug 23 Oct 2017
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      Replying to @marcan42

      mongo Retweeted mongo

      Its a "fingerprint", which is heuristic and (imo) doesnt reveal anything about the particular weakness; see,https://twitter.com/mongobug/status/920322434791821312 …

      mongo added,

      mongo @mongobug
      Now you can generate your very own seemingly vulnerable Infineon TPM RSA keys (for fun and profit): https://gist.github.com/truemongo/7aea60f80f6aa9b79cc9509b633557c9 …
      Show this thread
      1 reply 0 retweets 1 like
    3. Hector Martin‏ @marcan42 23 Oct 2017
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      Replying to @mongobug

      It's not a heuristic, it's a strict check. It detects 100% of Infineon keys and has a tiny false positive rate for non-Infineon keys.

      3 replies 0 retweets 1 like
      Hector Martin‏ @marcan42 23 Oct 2017
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      Replying to @marcan42 @mongobug

      But yes, it doesn't per se reveal the specific weakness (though it sends hints). However the obfuscation adds nothing.

      3:06 AM - 23 Oct 2017
      1 reply 0 retweets 0 likes
        1. mongo‏ @mongobug 23 Oct 2017
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          Replying to @marcan42

          Totally agree re: obfuscation :)

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