export-filters act on subkeys?

[Werner Koch]

On Mon,  5 Sep 2016 01:22, gnupg-devel at spodhuis.org said:

> So I need to be able to easily export my key with filtered subkeys, so
> that I get newer RSA subkeys out there, even while not able to use the
> ed25519/cv25519 subkeys.

Does this sound okay:

  gpg --export --export-filter drop-subkey='key_algo!=1 && key_algo!=17'

which will remove all subkeys except those which are RSA or DSA.  You
may also use 

  key_created > SOMETIMESTAMP

or (note, new operator)

  key_created_d -lt 2016-09-05

to drop all subkeys created before today.

> It seems that the sanest way to do this, which would ease migration for
> most users, would be to extend `--export-filter` (and `--import-filter`)

Right now only for export filter.  We eventually need to to unify those
filters. 


Salam-Shalom,

   Werner


-- 
Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
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