On úterý 13. června 2023 16:57:42 CEST Neal H. Walfield wrote:
> On Thu, 08 Jun 2023 21:37:09 +0200,
> Ondřej Budai wrote:
> > RPM Sequoia's crypto policies can be configured, so you should be able to
> > re-enable SHA-1. However, this would
> > be a global change, not only for EL6... See
> > https://docs.rs/sequoia-policy-config/latest/sequoia_policy_config/#hash-functions
> > ...
> > On Thu, Jun 8, 2023 at 5:42 PM Pavel Raiskup <[email protected]> wrote:
> >
> > Hello maintainers!
> >
> > Copr builders have been updated to Fedora 38 today (some old builders
> > might still be running F37 ATM, but when they finish the task(s) they
> > work on, they will be deleted). Our testsuite is passing just fine, so
> > you _should_ be fine too :-). Please let us know if you have some
> > troubles.
> >
> > There was one important change in Fedora 38 - RPM switched to the
> > Sequoia crypto backend. It refuses SHA-1 in crypto; which basically
> > disallows Mock to properly check EL6 GPG signatures. To allow further
> > builds, we switched to gpgcheck=0 for all epel-6 chroots. If you know a
> > better work-around, let me know.
>
> I find this behavior surprising. The default policy as set by
> fedora-crypto-policies is for rpm-sequoia is to accept SHA-1 (and
> DSA-1024, ...):
>
>
> https://gitlab.com/redhat-crypto/fedora-crypto-policies/-/blob/master/policies/FEDORA38.pol#L75
>
> What policy are you using?
I was wrong. The problem was *not* with the EPEL-6 signatures, but with
CentOS 6 signatures. It is a bit harder to analyse, as
`sq-keyring-linter` is silent for that one:
$ sq-keyring-linter <
/usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-6
$ echo $?
0
Pavel
> Neal
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