Just create a backup luks header with a keyslot that is not in your actual header and write that key down. Then to get to the volume you simply overwrite the luks header with the backup. I see no reason why this shouldn't work. On Tue, May 3, 2011 at 10:50 PM, anirudh <anirudh.takkallapally@xxxxxxxxx> wrote: > Is there a way to extract the master key from luks header if we have the key or > pass-phrase used to encrypt the volume using cryptsetup? > > I wold like to save the master-key separately in a safe place and use it only in > the case where i forget the pass-phrase used to encrypt the volume. Mainly to > avoid saving the pass-phrase every time i change it. > > _______________________________________________ > dm-crypt mailing list > dm-crypt@xxxxxxxx > http://www.saout.de/mailman/listinfo/dm-crypt > _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
