From: ken <gebser@mousecar.com>
To: frodowiz <frodowiz@gmail.com>, dm-crypt@saout.de
Subject: Re: [dm-crypt] piping password to cryptsetup
Date: Thu, 18 Sep 2014 03:29:22 -0400 [thread overview]
Message-ID: <541A89D2.7000601@mousecar.com> (raw)
In-Reply-To: <1411000175.17610.0@smtp.gmail.com>
I don't know anything about yad, but here's what worked for me some
years ago:
echo -n "passphrase" \
| cryptsetup --key-file="-" luksOpen /dev/sda5 name1
Replace /dev/sda5 with whatever the relevant device name is.
Let us know if this works for you. (Hope it does.)
ken
On 09/17/2014 08:29 PM frodowiz wrote:
> i have been to so many forums to find a solution to this. all the
> variations are confusing me and none are working.
> i am trying to pipe a passphrase to cryptsetup using yad.
>
> pass1=`yad --form --title="Enter container passphrase" --height=50
> --width=350 --field=Password:H`
>
> then i strip out the pipe character present between yad variables
>
> pass="${pass1//|}"
>
> at this point the variable pass appears to be exactly what i want.
>
> later on i invoke cryptsetup with the passphrase variable piped to it.
>
> echo "$pass" | cryptsetup --cipher aes-xts-plain --key-size 512 --hash
> sha512 --iter-time 5000 --use-random luksFormat "$container" -
>
> after a moment, i see the device pop into the selection in my file
> manager then it dissapears.
>
> the funny thing is, i wrote a terminal only version using the same
> methods minus the yad things and it works fine(see attached)
>
> terminal version requires 3 confirmations YES, passphrase, passphrase.
> do i need to reproduce these confirmations even with a minus sign at the
> end of the cryptsetup line?
>
> if so, would echo "YES"$'\n'"$pass"$'\n'"$pass"'\n' do this?
>
> also, if i replace the echo "$pass" pipe with xterm -e cryptsetup.... it
> works fine. basically, i am not getting the password format piped
> correctly. ive seen 7 different variations on this pipe and nothing is
> working. its probably something with spaces but i am resorting to email
> to lower my bloodpressure. also avoiding forums to lower my heart rate :)
>
> thanks to anyone reading this.
> Erik
>
>
> _______________________________________________
> dm-crypt mailing list
> dm-crypt@saout.de
> http://www.saout.de/mailman/listinfo/dm-crypt
>
next prev parent reply other threads:[~2014-09-18 7:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-18 0:29 [dm-crypt] piping password to cryptsetup frodowiz
2014-09-18 7:29 ` ken [this message]
2014-09-18 13:45 ` Konstantin Bläsi
2014-09-27 4:20 ` frodowiz
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