Volker Kuhlmann wrote:
> On Sun 29 Apr 2007 09:11:12 NZST +1200, Jochen Hayek wrote:
> 
> > May I suggest a change to /etc/init.d/boot.crypto ?
> 
> Thanks for that, I second your suggestions. A few days ago I had a play
> with an encrypted removable disk. My comments:
> 
> 1) The only way to create such a disk, on a removable memory gimmick
> which are of plentiful supply and very popular, is to go into yast disk
> partitioner and to click a few dire warnings "this is only for
> advanced..." out of the way, and going all the way with "custom".
> Actually same issue with non-encrypted removable storage. Something more
> user-friendly would be a good idea for 10.4.
> 
> 2) The only functional fstab entry I found is:
> 
> /dev/disk/by-id/usb-HTS54104_MPB2LAX2xxxxxx_B26A82xxxxxx-part1 
> /media/portable2     ext3       
> loop,encryption=twofish256,acl,user_xattr,user,nosuid,nodev,noexec,noauto 0 0
> 
> For the reasons Jochen explained, reference by sdXN is useless. The yast
> fstab editor (disk partitioner) is unable to create such an entry,
> because as soon as "encrypt filesystem" is clicked, the button to enter
> the 4 advanced options disappears from the screen. Of those 4 options
> (of referencing the partition), only by-ID can work. So the other 3 (but
> UUID, etc) should be greyed out or disappear, but by-ID must stay, in
> fact it should be default.

That's unrelated to boot.crypto. Please consider filing a bug for YaST.

> 3) The system (tested 10.2) fails to load the cryptoloop module. This
> must be loaded manually by root first, or the filesystem can never be
> mounted. One could add it to MODULES_LOADED_ON_BOOT. boot.crypto loads
> it but *only* if a fixed disk with encrypted fs is also in the system.

10.3 boot.crypto will not use cryptoloop so that problem should be obsolete.

> 4) Optical problem only: If /etc/cryptotab exists, boot.crypto switches
> to text console, finds it doesn't have to do anything because I
> commented out the lines but don't want to delete them as it has the info
> I need for fstab, or because the disk is currently not plugged in, then
> switches back to graphics boot screen.

Please file a bug and assign it to me.

> 5) The removable disk must be mountable by $user, as the other movable
> storage things.
> 
> 6) There's no desktop auto-popup asking for the fs crypto password.

hal supports both for LUKS volumes at the backend side of things.
KDE/GNOME need to implement the UI. On the command line you can
mount such volumes with the halmount script (in a still slightly
inconvenient way though).

cu
Ludwig

-- 
 (o_   Ludwig Nussel
 //\   SUSE Labs
 V_/_  http://www.suse.de/
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