gpg: signing failed: Inappropriate ioctl for device Error Message on Linux

[Jim Ernst]

Hi Werner and Justus - thank you for the info !!

Is this issue normally associated with a --passphrase-fd 0 command being used with gpg2? I am doing the following:

    v_recipient='RECIPIENT'
    v_passphrase=`cat  pfile.txt`
   /usr/local/bin/gpg2 --batch --local-user $v_recipient --passphrase=$v_passphrase --output $<output file name>  --sign <signed file name>

And it is erroring with :

gpg: signing failed: Inappropriate ioctl for device

I was figuring this was not even trying to utilize any kind of STDIN since it was in --batch mode and not using the "passphrase-fd 0"....

Thanks!!
Jim Ernst

-----Original Message-----
From: Werner Koch [mailto:wk at gnupg.org]
Sent: Friday, September 30, 2016 10:14 AM
To: Justus Winter <justus at g10code.com>
Cc: Jim Ernst <jernst at invacarecontractor.com>; gnupg-users at gnupg.org
Subject: Re: gpg: signing failed: Inappropriate ioctl for device Error Message on Linux

On Fri, 30 Sep 2016 14:37, justus at g10code.com said:

> fallback pinentry failed to open the terminal due to the fact that
> stdin of the gpg process is not connected to a terminal.  The latter
> can happen for example when gpg is used in a pipe.

That does not matter.  The pinentry opens the tty on its own.  To do this it needs to know the tty.  Fortunately gpg knows the tty or can take it from the GPG_TTY envvar and passes the name of the tty device via gpg-agent up to pinentry.


Salam-Shalom,

   Werner

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