Debian using ed25519 APT repo meta data (Re: Ditching OpenPGP, a new approach to signing APT repositories)

2021-06-30 Thread Bernhard Reiter
Am Dienstag 29 Juni 2021 19:00:00 schrieb Konstantin Ryabitsev via 
Gnupg-users:
> Yes, but speaking from personal experience, integrating libsodium into your
> automation is significantly easier than almost any other option. Let Debian
> folks do what makes most sense for their needs -- what they are doing is
> certainly not wrong or heading in the wrong direction.

Sure, there are enough reasons to not use a standardized "packaging" protocol.
It comes with risks of course, but if it is well understood, it is much 
simpler. The problem with the draft wiki page is that others use it to push
their agenda of antagonising OpenPGP and Debian without understanding the 
technical matter. So having giving more context and a better fitting headline 
would clarify this.

Bernhard

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www.intevation.de/~bernhard   +49 541 33 508 3-3
Intevation GmbH, Osnabrück, DE; Amtsgericht Osnabrück, HRB 18998
Geschäftsführer Frank Koormann, Bernhard Reiter, Dr. Jan-Oliver Wagner


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Re: Ditching OpenPGP, a new approach to signing APT repositories

2021-06-29 Thread Konstantin Ryabitsev via Gnupg-users
On Tue, Jun 29, 2021 at 05:53:53PM +0200, Bernhard Reiter wrote:
> Am Dienstag 29 Juni 2021 14:44:39 schrieb Konstantin Ryabitsev via 
> Gnupg-users:
> > With this change, they are replacing PGP with ed25519, but everything else
> > remains pretty much the same
> 
> But OpenPGP so much more than one algorithm, 
> you can even use ed25519 with OpenPGP today.

Yes, but speaking from personal experience, integrating libsodium into your
automation is significantly easier than almost any other option. Let Debian
folks do what makes most sense for their needs -- what they are doing is
certainly not wrong or heading in the wrong direction.

-K

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Re: Ditching OpenPGP, a new approach to signing APT repositories

2021-06-29 Thread Bernhard Reiter
Am Dienstag 29 Juni 2021 14:44:39 schrieb Konstantin Ryabitsev via 
Gnupg-users:
> With this change, they are replacing PGP with ed25519, but everything else
> remains pretty much the same

But OpenPGP so much more than one algorithm, 
you can even use ed25519 with OpenPGP today.
(Again, probably because of the draft or work in progress status, 
maybe someone with write access to the wiki could clarify the headline.)

Thanks for the infos,
Bernhard

-- 
www.intevation.de/~bernhard   +49 541 33 508 3-3
Intevation GmbH, Osnabrück, DE; Amtsgericht Osnabrück, HRB 18998
Geschäftsführer Frank Koormann, Bernhard Reiter, Dr. Jan-Oliver Wagner


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Re: Ditching OpenPGP, a new approach to signing APT repositories

2021-06-29 Thread Konstantin Ryabitsev via Gnupg-users
On Tue, Jun 29, 2021 at 08:37:56AM +0200, Bernhard Reiter wrote:
> Am Sonntag 27 Juni 2021 18:56:15 schrieb Стефан Васильев via Gnupg-users:
> > maybe interesting for some of you.
> > https://wiki.debian.org/Teams/Apt/Spec/AptSign
> 
> This does not have references on the problems it is claiming to address.
> 
> No description of the context where it is supposed to be used
> and what part it will play in the security.

I can fill it in here a bit. Debian doesn't sign individual .deb packages, but
instead signs APT repository metadata. Traditionally, a PGP key was used for
this, with the public counterpart being distributed either via the distro
media itself (e.g. iso images), or via https-based downloads.

With this change, they are replacing PGP with ed25519, but everything else
remains pretty much the same -- the signing is done by centralized distro
infrastructure.

> Also there is no mention of how the trust relation of the public
> keys will be established.

The same as before -- they are downloaded with iso images, or retrieved from
the website via https. While there is no built-in mechanics for distributing
key revocation for ed25519 keys, this was not really a consideration before
either (even if you can publish a revocation certificate for a PGP key used
for this purpose now, very few people will know what to do with it).

> So not yet possible to evaluate the page, it looke like a 0.2 draft
> in a wiki and probably gets to the point of being an interesting proposal 
> later.

Most notably, "Ditching OpenPGP" is wildly inaccurate. OpenPGP is still used
for all other Debian maintainer operations -- it's only being replaced in one
small area where key management and trust were used in least PGP-like ways.

-K

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Re: Ditching OpenPGP, a new approach to signing APT repositories

2021-06-29 Thread Bernhard Reiter
Am Sonntag 27 Juni 2021 18:56:15 schrieb Стефан Васильев via Gnupg-users:
> maybe interesting for some of you.
> https://wiki.debian.org/Teams/Apt/Spec/AptSign

This does not have references on the problems it is claiming to address.

No description of the context where it is supposed to be used
and what part it will play in the security.

Also there is no mention of how the trust relation of the public
keys will be established.

So not yet possible to evaluate the page, it looke like a 0.2 draft
in a wiki and probably gets to the point of being an interesting proposal 
later.

Bernhard

-- 
www.intevation.de/~bernhard   +49 541 33 508 3-3
Intevation GmbH, Osnabrück, DE; Amtsgericht Osnabrück, HRB 18998
Geschäftsführer Frank Koormann, Bernhard Reiter, Dr. Jan-Oliver Wagner


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Ditching OpenPGP, a new approach to signing APT repositories

2021-06-27 Thread Стефан Васильев via Gnupg-users

Hello,

maybe interesting for some of you.

https://wiki.debian.org/Teams/Apt/Spec/AptSign

Regards
Stefan



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