Re: Unencrypted boot with encrypted root

[Ludovic Courtès]

Hi,

Ellen Papsch <address@hidden> skribis:

> Am Samstag, den 04.04.2020, 12:18 +0200 schrieb pelzflorian (Florian
> Pelz):
>> Could key files help in passing the passphrase on to the
>> Linux kernel?  The Arch Wiki says this: [...]
>> 
>
> The key file would be another means of decrypting the master key, if I
> understand LUKS correctly. It would be independent of the passphrase.
> (In LUKS terminology, two slots are used).
>
> It would definitely help usability not having to enter a passphrase
> twice. The GUI/TUI installer should take care generating the file and
> ensuring strict permissions, so user processes cannot read it. There is
> still some risk, because root processes could read it. If the installer
> would support an external medium for the file, that would be best
> (IMHO).

The difficulty is that any file traveling through the store is
world-readable.  It’s hard to avoid.

Ludo’.