gpg: cannot open /dev/tty: Permission denied

[Donald Neal]

Matthias Urlichs at Thu, 16 Sep 1999 00:33:51 +0200 :

>Randy Harmon:
>> 
>> In this case, I'm at the command line, and I can't
>> see that it should go to /dev/tty for any reason.  Passphrase,
>> key-confirmation or whatever should go to the controlling terminal
(at least
>> that's what I would expect).
>> 
>That's how one talks to the controlling terminal -- open /dev/tty and
>read/write from there. You can't use stdin/out/err; they might be
>redirected. Instead of playing games with isatty() and trying to write
to
>stdin (or read from stdout), gpg uses /dev/tty always. That makes
>sense,
>IMHO.

Unless one was trying to have signed mail sent by software without human
intervention, in which case a choice of failure to find /dev/tty or

gpg: can't query password in batchmode
gpg: skipped `Username' : bad passphrase
gpg: : sign+encrypt failed: bad passphrase

is not exactly what was wanted.

Or have I missed something?

- Donald Neal