GNU bug report logs - #32674
[PATCH 0/1] Use gpgv and keybox files for 'guix refresh' & co.

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Leo Famulari <leo <at> famulari.name>
Cc: Vagrant Cascadian <vagrant <at> debian.org>, Mark H Weaver <mhw <at> netris.org>, 32674 <at> debbugs.gnu.org, Mike Gerwitz <mtg <at> gnu.org>
Subject: [bug#32674] [PATCH 0/1] Use gpgv and keybox files for 'guix refresh' & co.
Date: Sun, 16 Sep 2018 23:02:04 +0200

Hello,

Leo Famulari <leo <at> famulari.name> skribis:

> On Sun, Sep 09, 2018 at 10:43:35PM +0200, Ludovic Courtès wrote:
>> Hello Guix,
>> 
>> (Cc’ing people with expertise and interest in this…)
>> 
>> This patch changes (guix gnupg) so that it uses keyrings in the “keybox”
>> file format to store and read upstream public keys (instead of using the
>> user’s default keyring), and so that it uses ‘gpgv --keyring’ instead
>> of ‘gpg --verify’.
>> 
>> ‘gpgv’ is specifically designed for use cases like software signature
>> verification against a keyring of “trusted keys” (it’s used by APT and
>> Werner Koch recommends it¹.)  A significant difference compared to
>> ‘gpg --verify’ is that it doesn’t check whether keys are expired or
>> revoked; all that matters is whether the signature is valid and whether
>> the signing key is in the specified keyring.  I think that’s what we
>> want when checking the signature of a tarball or Git commit.
>
> Great, this is a big improvement. It would be awesome if we could get
> similar support in Git (or find another way to authenticate our code).

Yes, that was partly the motivation for this change.

Pushed as b9e1fddfd8c29b2fa6252ef52a75daa14aaabd3e.

Thanks Mike & Leo for your feedback!

Ludo’.

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