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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. whitequark‏ @whitequark 26 Apr 2018
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      i wonder what's the most expensive piece of software ever pirated Cadence Virtuoso, an ASIC design tool, is reporteldy $1M USD per person per year https://rutracker.org/forum/viewtopic.php?t=5517341 …

      7 replies 8 retweets 49 likes
    2. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 26 Apr 2018
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      Replying to @whitequark

      It /can/ be, it's usually more like 250k base, and then you add Features™, and they do a lot of Volume licensing. Intel pays 20 mill a year for their unlimited site license. Also prolly don't link to that torrent, it's sketchy as hell.

      1 reply 0 retweets 5 likes
    3. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 26 Apr 2018
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      Replying to @hedgeberg @whitequark

      When it was first leaked there was speculation that it was an attempt by NSA to get terror groups to install RATs on machines. Cadence doesn't let people install virtuoso on personal machines, and the encryption is un-fucking-real, so noone has a valid release to compare against.

      4 replies 0 retweets 4 likes
    4. Hector Martin‏ @marcan42 26 Apr 2018
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      Replying to @hedgeberg @whitequark

      > un-fucking-real Really? My universal experience is that the higher-end/more niche a product, the more hilariously shitty the security is. Games and video DRM usually have better security. And at least the Cadence crypto they use in FPGA stuff is hilariously trivial.

      2 replies 0 retweets 2 likes
    5. Volodymyr Pikhur‏ @vpikhur 26 Apr 2018
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      Replying to @marcan42 @hedgeberg @whitequark

      Let me guess FlexLM lel

      1 reply 0 retweets 1 like
    6. Hector Martin‏ @marcan42 26 Apr 2018
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      Replying to @vpikhur @hedgeberg @whitequark

      Oh I was thinking the RTL encryption. Which is just RSA and Blowfish. And at least a certain FPGA vendor just has the private key embedded in the Verilog compiler, highly secured with XOR™.

      1 reply 0 retweets 2 likes
    7. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 26 Apr 2018
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      Replying to @marcan42 @vpikhur @whitequark

      "XOR crypto: it must be safe because it doesn't look the same!"

      1 reply 0 retweets 4 likes
      Hector Martin‏ @marcan42 26 Apr 2018
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      Replying to @hedgeberg @vpikhur @whitequark

      To be fair, it frustrated my first approach, which was "just take every appropriately sized byte range of the binary and see if it happens to be a divisor of the modulus". I had to actually open IDA!

      10:52 PM - 26 Apr 2018
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      • hedge.txt | Mostly Inactive, except when not
      1 reply 0 retweets 2 likes
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        1. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 26 Apr 2018
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          Replying to @marcan42 @vpikhur @whitequark

          The sheer horror of actually needing to reverse things. You poor, poor soul.

          1 reply 0 retweets 2 likes
        2. 500 internal onee-chan error‏ @toastnotfound 26 Apr 2018
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          Replying to @hedgeberg @marcan42

          i hate doing RE these days

          1 reply 0 retweets 1 like
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