On Mon, Sep 23, 2019 at 3:28 PM Michael Catanzaro <mcatanzaro@gnome.org> wrote:


Does it really need to be optional? What would be a Workstation
use-case for disabling homedir encryption?

Well, not everybody wants to have encrypted stuff. Some people prefer quick boot rather then having to type a password after every boot. Some even prefer to unlock their computer completely.
It should be based on free choice to have one's disk, partition, or home directory encrypted and encryption should be easy to switch off.
It can be switched on by default, but the option to switch off must be kept!

 

> 1. How to handle Anaconda vs GNOME encryption features?
> a. It's not apparent that the two offerings differ, how they differ,
> that they can be combined, that combining them has consequences.
> b. In the Installation Destination spoke, "Encrypt my data" is visible
> and unchecked by default. It could be construed as user home only
> encryption. It is, however, full disk encryption (minus /boot).
> c. If user chooses this option in the installer, now what? Do not
> enable or even present the GNOME encryption features? Or double
> encrypt?
> d. Alternatively, does it get renamed to better indicate it's full
> disk encryption? Or remove it entirely?

Remove it entirely from the simple installation path at least. This is
important because it doesn't meet our requirements for
internationalization so we don't want non-expert users to use it once
we have home encryption working. Perhaps hide it away under advanced
partitioning.

If the user enables LUKS anyway, then double encryption seems fine to
me. That's not an installation path we need to expect or optimize for.

> 2. Consequences of an fscrypt/ext4 only solution
> a. Users choosing anything other than ext4 not only don't get user
> home encrypted by default, they can't opt into what we're initially
> proposing.
> b. In some sense it diminishes the message that privacy of user data
> is important, because it comes with a "only if you pick ext4" catch.
> c. How would the user be informed of a & b (goes back to #1).

I think we really only need to make sure the default path leads to a
good result. Switching filesystem away from ext4 is something only
expert users will attempt to do, and that can only be done using
advanced partitioning anyway. Expert users can live with the
consequences of their choices. Let's focus on making sure the simple
installation path works well.

Michael

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--

Lukáš Růžička

FEDORA QE, RHCE

Red Hat

Purkyňova 115

612 45 Brno - Královo Pole

lruzicka@redhat.com