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Re: [Xen-users] Cheap IOMMU hardware and ECC support importance

  • To: xen-users@xxxxxxxxxxxxx
  • From: Gordan Bobic <gordan@xxxxxxxxxx>
  • Date: Thu, 10 Jul 2014 12:58:40 +0100
  • Delivery-date: Thu, 10 Jul 2014 11:59:27 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

On 07/10/2014 09:59 AM, lee wrote:
Gordan Bobic <gordan@xxxxxxxxxx> writes:

I'd have to make a huge tar archive or something of my data and encrypt
that with gpg before uploading it.  That isn't really feasible.

No, encfs is a layer and stores each encrypted file and filename as
normal, they are just encrypted. So when you mount the encrypted data
to a mount point, it's available unencrypted. When you look at the
encrypted directory tree, the file names and contents are scrambled.

So to back it up, you back up the encrypted subtree directly. No need
for intermediate steps.

And how good is this encryption?


What if I forget the passphrase or whatever it uses?

Same thing that happens if you lose your GPG passphrase - you lose whatever was encrypted with it.

To back it up, I'd still have to make an archive which I can upload.

Depends on how the backup service works. Many have a deamon that monitors directories you specify and uploads changes.


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