(pre)cache password rather than use allow-loopback-pinentry

[Dirk-Willem van Gulik]

> On 21 Jul 2017, at 11:20, Werner Koch <wk at gnupg.org> wrote:
> 
> On Fri, 21 Jul 2017 10:32, dirkx at webweaving.org said:
> 
>> Those —quick commands are a huge help. The one thing missing seems to be one for the routine extension of the expiry of subkeys.
> 
> In general I think that it is easier to just add a new subkey.  However<
> I can see that it makes sense for subkeys on a card to change their
> expiration date.

Thanks. That is exactly what I am doing — updating the scripts to move from disk-based to openpgp card applets.

>> Or is there a clever syntax for the ‘fpr of the primary key to refer to a subkey by number or otherwise (referring to it by fingerprint gives me a ‘<fpr> is not the primary fingerprint” ?
> 
> Not yet.  Stay tuned.

Keep up the good work! That december/2.1.17 addition made things a lot simpler already.

And I really would not mind to be able to refer to subkeys by number -and- fpr; as the fpr of a subkey is a but cumbersome to extract afaik (double —fingerprint).

Dw.
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