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Re: [Qemu-devel] Reminder: don't trust 32-bit short IDs when using GPG!
From: |
Thomas Huth |
Subject: |
Re: [Qemu-devel] Reminder: don't trust 32-bit short IDs when using GPG! |
Date: |
Wed, 17 Aug 2016 17:53:08 +0200 |
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Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2 |
On 10.06.2016 16:46, Peter Maydell wrote:
> We've noticed recently that the GPG keyservers have fake keys for
> some of the QEMU maintainers, which have keys which have been
> deliberately constructed to have collisions on the 32-bit "short ID"
> field which gpg shows you by default.
>
> (Example:
> https://pgp.mit.edu/pks/lookup?op=vindex&search=0x14360CDE
> shows both my actual key and a fake.)
>
> It's been known for years that it's pretty easy to construct a
> key with whatever 32-bit short ID you like:
> http://www.asheesh.org/note/debian/short-key-ids-are-bad-news.html
> https://evil32.com/
FWIW, seems like the fake keys have finally been revoked on the key
servers (got the news from
http://www.heise.de/newsticker/meldung/Haufenweise-Fake-PGP-Schluessel-im-Umlauf-3297175.html).
Thomas
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