Mailinglist Archive: opensuse (770 mails)

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Re: [opensuse] how to password protect a portable harddrive for data exchange between windows and Linux?
On 08/07/2012 12:32 AM, Per Jessen wrote:
Is there a way to encrypt or password protect such a harddrive/
filesystem such that it is accessible from Windows and Linux
both? (with very few or no changes on the Windows source system).
If the same systems would work the Macs too it would be great
:-)

Some kind of prep would be necessary if the Windows box is not
already set up for encryption.

I haven't tried using the disk's encryption system with Linux. I
don't feel it's ready for primetime yet and there is the question of
trust wrt backdooring or a vendor's key allowing unauthorized access.
Vendor implementations seem to block it's use with Linux as well.

It may be possible to use Truecrypt or Realcrypt without installing
it on the windows box.

Alternatively, booting from a Linux live CD or USB stick would avoid
having to change the Windows system. I would usually recommend
Knoppix since it seems to work on more systems than Ubuntu and
derivatives but IIRC truecrypt/realcrypt is not in the latest releases.

It's going to take a few hours to set up a large disk for use with
Truecrypt. 500Gb USB HD takes about 3.5 hours typically on a
4GHz/4Gb box running X and Linux and doing nothing else. That's the
main drawback of using Truecrypt over hardware disk encryption.

jd
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