Top-post cause of BB :-(
Private keys (if stored locally), for outgoing traffic, should reside in the users
Passwords should be replaced multi-factor strong auth's: card/token plus PIN.
Any alterations of filesystem beyond /home can be detected+reported.
Full disc encryption on a athom demands some extra patience :-)
----- Oorspronkelijk bericht -----
Van: Bill Davidsen [mailto:firstname.lastname@example.org]
Verzonden: Saturday, June 29, 2013 10:07 PM W. Europe Standard Time
Aan: Community support for Fedora users <users(a)lists.fedoraproject.org>
Onderwerp: Re: retrofitting LUKS encryption on installed system
[mailto:email@example.com] On Behalf Of Fred Smith
Sent: Friday, June 28, 2013 3:42 PM
Subject: retrofitting LUKS encryption on installed system
I've got a F19 installation that I'd like to turn into a fully encrypted
system with LUKS.
There are many howtos on the web for encrypting a partition, but they
all show doing it to /home.
No, just re-install.
One partition with /boot and another with an encrypted volume-group, holding /, swap and
But before embarking on that trip, do you really need full disk encryption?
I mean, the content of /usr is on any fedora-cd ;-) And when up-and-running, everything
The only valid reason I can think about, is that other people have physically access to
your machine and could get root-access by booting from cd/dvd, and might alter your
If they have secret access they can install evil devices, but if you are
protecting against theft (laptops) or someone with a search warrant (NSA) comes
and takes your drives.
It surely works, but at a performance price. And the certainty that
you have to enter the LUKS-key each time you boot.
The only safe place to store password info is in your head. If one other person
has it it's not a secret, so you have to decide if losing the data is worse than
having someone else get it. That's a policy decision, on-technical.
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Bill Davidsen <davidsen(a)tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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