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
