Fedora 17 - Unlocking LUKS encrypted LVM volume with key file

[Mateusz Marzantowicz <mmarzantowicz@xxxxxxxxxxx>]

Is there support in Fedora 17 for unlocking encrypted LVM volume (which
acts as a container for my root, swap and other partitions) with key
file placed on SD/MMC card during system boot up process?

Currently I have to provide passphrase during system boot (standard
behavior), but I'd like to allow automatic unlock during power on/reboot
when I have SD card plugged in.

I've started to read some web pages and tutorials with different
solutions but I'm curious if there is a recommended way for doing this
in Fedora 17.

My current understanding of dm-crypt/LUKS on Fedora is that I need to
make some changes to dracut and udev in order to unlock encrypted
volumes using key files, but maybe something has changed in F17 and
there is an option to pass in grub/kernel/initrd command line to do this?


Mateusz Marzantowicz
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