Re: Basics

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You are welcome. 

Arno

On Wed, Sep 30, 2015 at 19:49:21 CEST, Mike Nagie wrote:
> Thanks Arno!
> 
> I thought it was just a bug, but now, it works  :)
> I didn't really understand it. I thought it would generate 
> a secure keyfile.
> Now it's clean, thank you!
> 
> On 15-09-30 17:00:03, Arno Wagner wrote:
> > 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@xxxxxxxx
> > > http://www.saout.de/mailman/listinfo/dm-crypt
> > 
> > -- 
> > Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno@xxxxxxxxxxx
> > 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
> > _______________________________________________
> > dm-crypt mailing list
> > dm-crypt@xxxxxxxx
> > http://www.saout.de/mailman/listinfo/dm-crypt
> 
> -- 
> You are so lucky!
> _______________________________________________
> dm-crypt mailing list
> dm-crypt@xxxxxxxx
> http://www.saout.de/mailman/listinfo/dm-crypt

-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno@xxxxxxxxxxx
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
_______________________________________________
dm-crypt mailing list
dm-crypt@xxxxxxxx
http://www.saout.de/mailman/listinfo/dm-crypt



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