I think having this functionality is a good idea. Arno On Tue, Jun 19, 2012 at 01:26:22PM +0200, Milan Broz wrote: > On 06/19/2012 12:53 PM, Louis wrote: > > Hello, > > for information, I wrote a small C program to check if the given > > passphrase is correct, without doing anything on the disk. The command > > is used this way: > > > If you think it can benefit cryptsetup, I offer to write the necessary > > patch to include it to cryptsetup (as a "luksValidateKey" LUKS action). > > Special program or command is IMHO overkill, isn't enough just to add option > to cryptsetup luksOpen (--dry-run, --no-activate, whatever you prefer)? > > So it will work just like > > # cryptsetup luksOpen /dev/sdc anything --dry-run --verbose > Enter passphrase for /dev/sdc: > No key available with this passphrase. > Enter passphrase for /dev/sdc: > Key slot 0 unlocked. > Command successful. > > Trivial to add to code... (while I am doing another RC today, it can be done > today even ;-) > > Milan > _______________________________________________ > 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: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- One of the painful things about our time is that those who feel certainty are stupid, and those with any imagination and understanding are filled with doubt and indecision. -- Bertrand Russell _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt