On May 25, 2017 6:06:45 PM GMT+02:00, Rich Freeman <ri...@gentoo.org> wrote: >On Thu, May 25, 2017 at 10:16 AM, J. Roeleveld <jo...@antarean.org> >wrote: >> On May 25, 2017 1:04:07 PM GMT+02:00, Kai Krakow ><hurikha...@gmail.com> wrote: >>>Am Thu, 25 May 2017 08:34:10 +0200 >>>schrieb "J. Roeleveld" <jo...@antarean.org>: >>> >>>> It is possible. I have it set up like that on my laptop. >>>> Apart from a small /boot partition. The whole drive is encrypted. >>>> Decryption keys are stored encrypted in the initramfs, which is >>>> embedded in the kernel. >>> >>>And the kernel is on /boot which is unencrypted, so are your >encryption >>>keys. This is not much better, I guess... >> >> A file full of random characters is encrypted using GPG. >> Unencrypted, this is passed to cryptsetup. >> >> The passphrase to decrypt the key needs to be entered upon boot. >> How can this be improved? >> > >The need to enter a passphrase was the missing bit here. I thought >you were literally just storing the key in the clear. > >As far as I can tell gpg symmetric encryption does salting and >iterations by default, so you're probably fairly secure. I'm not sure >if the defaults were always set up this way - if you set up that file >a long time ago you might just want to check that, unless your >passphrase is really complex.
Not sure how long ago this was. I'm planning on redoing the whole laptop in the near future anyway. If anyone knows of a better way (that works without TPM) I would like to hear about it. -- Joost -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
