[Icecast] Cannot update xiph repository

[Chip]

On Sat, 22 Feb 2020 at 14:17, Damian <db76 at riseup.net> wrote:

> Hi,
>
> I apologise for the naiveness of this question, but I experienced an error
> when running apt-get update on Debian 9.
> It’s telling me that it can’t update the xiph repository.
>
> Not sure if I should be asking for help about this here, but if not…
> please let me know where I should take this issue.
> Any help is appreciated.
>
> Damian
>
>
>
> Get:1 http://security.debian.org/debian-security stretch/updates
> InRelease [94.3 kB]
>
> Ign:2 http://ftp.us.debian.org/debian stretch InRelease
>
>
> Hit:3 http://ftp.us.debian.org/debian stretch-updates InRelease
>
>
> Hit:4 http://ftp.us.debian.org/debian stretch Release
>
> Hit:6 http://www.deb-multimedia.org stretch InRelease
>
> Get:5
> http://download.opensuse.org/repositories/multimedia:/xiph/Debian_9.0 ./
> InRelease [1,526 B]
> Err:5
> http://download.opensuse.org/repositories/multimedia:/xiph/Debian_9.0 ./
> InRelease
>   The following signatures were invalid: EXPKEYSIG 77EC2301F23C6AA3
> multimedia OBS Project <multimedia at build.opensuse.org>
> Reading package lists... Done
> W: GPG error:
> http://download.opensuse.org/repositories/multimedia:/xiph/Debian_9.0 ./
> InRelease: The following signatures were invalid: EXPKEYSIG
> 77EC2301F23C6AA3 multimedia OBS Project <multimedia at build.opensuse.org>
> E: The repository 'http://download.opensuse.org/repositories/multimedia:/xiph/Debian_9.0
> ./ InRelease' is no longer signed.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user
> configuration details.
>

What have you searched for?

What have you tried so far?

Searching around, I found this - which might help

   -
   https://askubuntu.com/questions/650032/gpg-errorthe-following-signatures-were-invalid-keyexpired
   -
   https://chrisjean.com/fix-apt-get-update-the-following-signatures-couldnt-be-verified-because-the-public-key-is-not-available/

Chip
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