[openpgp] Re: Primary Key Binding sigs on authentication sub keys

Hi Justus,

On Wednesday, January 22nd, 2025 at 17:50, Justus Winter wrote:
> Wait, what? Counting individual uses, I think authentication as in
> creating signatures using my authentication-capable subkey is my primary
> use case for OpenPGP.

OK, my bad. I wasn't aware that this functionality is used in practice.
Mainly out of curiosity, which services/software support authenticating
in this way?

> FWIW, Sequoia requires primary key binding signatures on signatures
> binding authentication-capable subkeys.

Interesting, good to know. Have you encountered any compatibility issues
or complaints because of this?

Best,
Daniel

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