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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. andreasdotorg‏ @andreasdotorg 28 Jun 2017
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      andreasdotorg Retweeted

      That's... not a good sign. https://twitter.com/jedisct1/status/880083327432216579 …

      andreasdotorg added,

      This Tweet is unavailable.
      1 reply 8 retweets 4 likes
    2. Ralf (RPW)‏ @esizkur 28 Jun 2017
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      Replying to @andreasdotorg

      Ralf (RPW) Retweeted Samuel Neves

      It's 2017 and people are figuring out what Davis-Meyer mode implies? Please see https://twitter.com/sevenps/status/878609336465055744 … and https://crypto.stackexchange.com/questions/48580/fixed-point-of-the-sha-256-compression-function …

      Ralf (RPW) added,

      Samuel Neves @sevenps
      Replying to @CodesInChaos
      Yes, this is a well-known property of the Davies-Meyer compression function. The Wikipedia page on it has a description of how to do it.
      1 reply 8 retweets 9 likes
      Hector Martin‏ @marcan42 28 Jun 2017
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      Replying to @esizkur @andreasdotorg

      SHA-256 isn't Davis-Meyer a far as I can tell, though? Or is there a trivial equivalence? (though apparently SAT solvers easily find FPs)

      1:51 PM - 28 Jun 2017
      0 replies 0 retweets 0 likes

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