From: Arno Wagner <arno@wagner.name>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] Basics
Date: Wed, 30 Sep 2015 17:00:03 +0200 [thread overview]
Message-ID: <20150930150003.GA21363@tansi.org> (raw)
In-Reply-To: <20150930121626.GA25001@manjaro.chello.hu>
You are using /dev/sdb1 as your keyfile. cryptsetup
has a compiled-in size limit on keyfiles, which is
per default 8kB. If /dev/sdb1 is larger, you get the
error you observe.
Regards,
Arno
On Wed, Sep 30, 2015 at 14:16:26 CEST, Mike Nagie wrote:
> Why is this happening? I'm trying to create encrypted luks partition
> with a keyfile.
>
> cryptsetup luksFormat /dev/sda2 /dev/sdb1
>
> WARNING!
> This will overwrite data on /dev/sda2 irrevocably.
>
> Are you sure? (Type uppercase yes): YES
> Maximum keyfile size exceeded.
> cryptsetup luksFormat /dev/sda2 /dev/sdb1 10.54s user 4.55s system 83%
> cpu 18.1
>
> (and sometimes: command failed with code 22 invalid argument)
>
> cryptsetup open --type luks /dev/sda2 home -d /dev/sdb1
> Maximum keyfile size exceeded.
> cryptsetup open --type luks /dev/sda2 home -d /dev/sdb1 10.43s user
> 4.64s system 99% cpu 15.103 total
> --
> You are so lucky!
> _______________________________________________
> dm-crypt mailing list
> dm-crypt@saout.de
> http://www.saout.de/mailman/listinfo/dm-crypt
--
Arno Wagner, Dr. sc. techn., Dipl. Inform., Email: arno@wagner.name
GnuPG: ID: CB5D9718 FP: 12D6 C03B 1B30 33BB 13CF B774 E35C 5FA1 CB5D 9718
----
A good decision is based on knowledge and not on numbers. -- Plato
If it's in the news, don't worry about it. The very definition of
"news" is "something that hardly ever happens." -- Bruce Schneier
next prev parent reply other threads:[~2015-09-30 15:00 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-25 17:33 [dm-crypt] Basics Mike Nagie
2015-09-25 17:55 ` Mistave
2015-09-25 19:44 ` Michael Kjörling
2015-09-25 19:48 ` Michael Kjörling
2015-09-25 21:48 ` Mike Nagie
2015-09-25 22:24 ` Michael Kjörling
2015-09-25 23:03 ` Arno Wagner
2015-09-26 7:14 ` Mike Nagie
2015-09-26 7:32 ` Mistave
2015-09-26 8:27 ` Mike Nagie
2015-09-26 10:24 ` Mistave
2015-09-26 13:12 ` Robert Nichols
2015-09-26 15:38 ` Michael Kjörling
2015-09-27 11:08 ` Mike Nagie
2015-09-27 13:47 ` Michael Kjörling
2015-09-27 14:08 ` Arno Wagner
2015-09-27 14:15 ` Michael Kjörling
2015-09-27 14:34 ` Arno Wagner
2015-09-27 16:12 ` Mike Nagie
2015-09-27 16:51 ` Michael Kjörling
2015-09-27 18:20 ` Mike Nagie
2015-09-27 18:55 ` Heinz Diehl
2015-09-27 18:57 ` Heinz Diehl
2015-09-27 21:50 ` Mike Nagie
2015-09-27 22:08 ` Michael Kjörling
2015-09-28 20:11 ` Heinz Diehl
2015-09-29 10:52 ` Mike Nagie
2015-09-30 12:16 ` Mike Nagie
2015-09-30 15:00 ` Arno Wagner [this message]
2015-09-30 17:49 ` Mike Nagie
2015-09-30 19:27 ` Arno Wagner
2015-09-30 15:40 ` Heinz Diehl
2015-09-25 20:12 ` Arno Wagner
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