Re: Marshal update checker

More on progress, I have a working example that using the artifact
(from central), the asc file (from central) and KEYS from ASF Maven
site verifies signature just fine:

```
signature verified.
Tamas Cservenak <[email protected]>
```

The problem is that our KEYS file as is needs cleanup before being usable:
* the test at its beginning must be filtered out
* the encoding is totally off (is not ASCII nor UTF-8)

Once these cleanups are done, the file becomes usable.

T

On Sat, 4 Jul 2026 at 21:49, Tam=C3=A1s Cserven=C3=A1k <[email protected]=
> wrote:
>
> Howdy,
>
> Doing that should not be a problem, I was toying today with BC but
> could not get it to parse our KEYS file.
> In fact, any Java code (that is based/using BC) is making the same
> error. Here is sqv compared to pgpainless:
>
> "invalid armor"
>
> https://gist.github.com/cstamas/c7556c5f57f4dbd2a14756a1cc60b30e
>
> We may want to fix up (clean up) our KEYS files:
> https://gist.github.com/cstamas/72076d48aa9fcdbfa91dee11ce0e185e
>
> T
>
> On Sat, 4 Jul 2026 at 17:40, Sylwester Lachiewicz <[email protected]>=
 wrote:
> >
> > yes, my bad, thanks for correction
> >
> > https://github.com/s4u/pgpverify-maven-plugin
> >
> > Features
> > - check signature of artifacts during each build, not only during
> > artifact download from the remote repository to local
> > - possibility to map PGP key fingerprint to artifacts, so we can
> > detect if correct key was used for making signature
> > - possibility to check signature of maven plugins used during build
> > - there is no external software need to install - plugin uses Bouncy
> > Castle library to manage PGP operations
> > - works on many operating system and JDK versions - confirmed by CI
> > builds - Linux, Windows, Mac OS, JDK 8, 11, 14
> >
> > On Sat, Jul 4, 2026 at 5:16=E2=80=AFPM Piotr =C5=BBygie=C5=82o <piotr.z=
[email protected]> wrote:
> > >
> > > On Sat, 4 Jul 2026 at 16:23, Sylwester Lachiewicz <slachiewicz@gmail.=
com> wrote:
> > > >
> > > > To check we may use maven-gpg-plugin to check if gpg sign key was k=
nown to
> > > > us before and plugin goes though all dependencies.
> > >
> > > I don't think maven-gpg-plugin can do that.
> > > Did you mean org.simplify4u.plugins:pgpverify-maven-plugin?
> > >
> > > --
> > > Piotrek
> > >
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