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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 8 Nov 2017
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      Flip side: why are all these countries/users panicking *now*? The vuln was disclosed to Infineon in *February*. This means 6 months of "responsible" disclosure have been utterly worthless. You'd think Infineon would've notified, you know, government clients? WTF? @CRoCS_MUNI

      2 replies 6 retweets 11 likes
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    2. Igor Skochinsky‏ @IgorSkochinsky 8 Nov 2017
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      Replying to @marcan42 @CRoCS_MUNI

      My guess wold be that Infineon notified smartcard *chip makers* but they didn't bother informing their customers in turn. Maybe we can ask @e_estonia when and how they got warned.

      2 replies 0 retweets 0 likes
    3. Hector Martin‏ @marcan42 8 Nov 2017
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      Replying to @IgorSkochinsky @CRoCS_MUNI @e_estonia

      You mean smartcard manufacturers, as in the physical bits of plastic and some gold pads? Infineon makes the ICs.

      1 reply 0 retweets 0 likes
    4. Igor Skochinsky‏ @IgorSkochinsky 8 Nov 2017
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      Replying to @marcan42 @CRoCS_MUNI @e_estonia

      hm really? I thought it's guys like NXP, Gemalto etc.

      1 reply 0 retweets 0 likes
    5. Hector Martin‏ @marcan42 8 Nov 2017
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      Replying to @IgorSkochinsky @CRoCS_MUNI @e_estonia

      NXP and Infineon make ICs (and software libs). Gemalto makes cards that use those ICs (and more software).

      1 reply 0 retweets 1 like
    6. Igor Skochinsky‏ @IgorSkochinsky 8 Nov 2017
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      Replying to @marcan42 @CRoCS_MUNI

      Interesting, thanks. However, I wonder why ID cards are affected at all. Aren't the private keys/certificates usually generated centrally on dedicated govt hardware and only the public keys are programmed into the cards? Do the cards still generate some keys on their own?

      1 reply 0 retweets 0 likes
    7. Hector Martin‏ @marcan42 8 Nov 2017
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      Replying to @IgorSkochinsky @CRoCS_MUNI

      The whole point of using smartcards is that you generate the keys internally (and they never leave the card), then the govt signs the public key (presumably with some channel attestation involved so the card can prove it's a real card issued originally by govt).

      2 replies 0 retweets 0 likes
    8. Igor Skochinsky‏ @IgorSkochinsky 8 Nov 2017
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      Replying to @marcan42 @CRoCS_MUNI

      hm, looks like it. Here's how it works (worked?) for Belgian IDs, which also has (had?) Infineon chip: https://homes.esat.kuleuven.be/~decockd/slides/2006.10.09.belgian.eid.card.technical.overview.presentation.pdf …pic.twitter.com/iqupy8Qgzx

      2 replies 0 retweets 0 likes
      Hector Martin‏ @marcan42 8 Nov 2017
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      Replying to @IgorSkochinsky @CRoCS_MUNI

      FWIW this is the kind of stuff you get in a spanish eID cert (This is an expired cert from my 2.0 ID, so not ROCA). Not sure if the issuance process is documented though (probably not, because Spain isn't known for doing things right).pic.twitter.com/FaOhJ1yiTP

      2:19 AM - 8 Nov 2017
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