Am 03.09.2012 22:36, schrieb "Roland Häder": > Opps, here is the missing link: http://wiki.gentoo.org/wiki/DM-Crypt > > (I don't think it is a good idea to store the keyFile somewhere > plain, [2] tells that there is support for crypt-gnupg, but it > doesn't show any help how to setup it. > > [2]: http://wiki.gentoo.org/wiki/Dracut >
No comment on dracut as I have no experience with it. However, as I see it, you need no key file if you just use a pass phrase. In my opinion, a key file is only necessary for two improvements: 1. Two-factor authentication (read: encrypted key file) 2. Avoiding re-typing the pass phrase for multiple dmcrypt partitions You can easily achieve the second point by putting an unencrypted key file on the first partition which you encrypt with a pass phrase. You don't even need dracut for this, /etc/conf.d/dmcrypt lets you configure it easily (as long as it doesn't affect /usr). However, I personally find it easier to put LVM on a single dmcrypt volume and be done this. All you need for this to work are two lines in /etc/rc.conf: rc_dmcrypt_before="lvm" rc_dmcrypt_after="udev" Regards, Florian Philipp
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