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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 24 Feb 2017
      • Report Tweet
      • Report NetzDG Violation

      So many people are getting the SHA1 story wrong. With the collision that Google released, *anyone* can create colliding PDFs for *free*.

      13 replies 353 retweets 396 likes
      Hector Martin‏ @marcan42 24 Feb 2017
      • Report Tweet
      • Report NetzDG Violation

      They look different, but have the same data. The trick to make that work is in the collision/header blocks.

      5:16 AM - 24 Feb 2017
      • 1 Like
      • Javier Quintano
      1 reply 0 retweets 1 like
        1. Hector Martin‏ @marcan42 24 Feb 2017
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          • Report NetzDG Violation
          Replying to @marcan42 @nervoir

          Basically both PDFs have both sets of data and the collision block selects one to be displayed.

          0 replies 1 retweet 2 likes
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