[gentoo-amd64] Encryption Solution

[Tom]

Hi List,

Doesn't really belong here, but security seems dead, so...

I'm planning on encrypting a 1TB usb-disc that I have, for
preserved storage.
I've been reading a lot about fde and the other various
approaches towards encryption, and most of them do much more than I
really need/want. I don't need plausible deniability, and I don't need
a fully encrypted OS.
I do however have certain usage scenarios, for my setup.

As mentioned above, the disk I want encrypted is a usb device, so it's
removable.
This among other things requires the encryption method to be usable
from multiple machines but also from multiple OSes (Windows and Linux).

Now from what I've been reading, there are basically two ways of doing
this. TrueCrypt and dm-crypt together with freeotfe on windows.

The main issue is obviously the filesystem.
As far as I understand it, both methods work 'atop' any filesystem that
the underlying OS supports.
Because I want both windows and linux support, this would mean vfat,
ntfs, or ext2(3,4??).

Now as I run x86_64 for both linux and windows I'm not to sure about
all this.
I have a working ext driver running in read-only mode under windows,
but I wouldn't know how well it'll play when using encryption.
There are two possibilities I know of, http://www.fs-driver.org/ and
http://ext2fsd.sourceforge.net/index.htm, me using the latter due to
problems I had with the first due to 64bit compatibility.
Another mayor question is dataloss.
The usb-disc has 1TB, would it make sense to maybe have more than one
partition, both from a performance and reliability standpoint?

Has anyone here a similar setup/usage of disc-encryption?
Any thoughts on the matter?

Tom