Change Passphrase in Batch Mode

[Daniel Kilimnik]

Thanks, that does work, but is is also possible to set an empty
passphrase i.e. remove the passphrase with this method?

Best,
Daniel

Am Do., 17. März 2022 um 10:26 Uhr schrieb Werner Koch <wk at gnupg.org>:

> On Wed, 16 Mar 2022 09:26, Daniel Kilimnik said:
>
> > mode. With --pinentry-mode loopback --passphrase-fd 0 activated. It asks
> > for my current passphrase, but then exits with a success.
>
> --passphrase-fd works only if a password is request but not if two
> passwords are quested (the old one and the new one).  You need to use
> the --command-fd thingy and write a state machine for this.  Here is a
> manual example
>
> --8<---------------cut here---------------start------------->8---
> $ gpg --pinentry-mode loopback --status-fd 2 -v --batch --command-fd 0
> --passwd FE894309B6844A3004FE8BF9476CAB1C3623CAA6
> [GNUPG:] KEY_CONSIDERED FE894309B6844A3004FE8BF9476CAB1C3623CAA6 0
> [GNUPG:] INQUIRE_MAXLEN 100
> [GNUPG:] GET_HIDDEN passphrase.enter
> abc
> [GNUPG:] GOT_IT
> [GNUPG:] INQUIRE_MAXLEN 100
> [GNUPG:] GET_HIDDEN passphrase.enter
> def
> [GNUPG:] GOT_IT
> [GNUPG:] SUCCESS keyedit.passwd
> --8<---------------cut here---------------end--------------->8---
>
>
> Salam-Shalom,
>
>    Werner
>
> --
> Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
>
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