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encryption: add best practice for storing master key 

Further clarify that the paperkey should be a last resort
recovery option, after a password manager and usb drive.

Signed-off-by: Dylan Whyte <d.whyte@proxmox.com>
This commit is contained in:
Dylan Whyte 2020-11-10 12:04:56 +01:00 committed by Dietmar Maurer
parent 5d08c750ef
commit c5608cf86c
1 changed files with 10 additions and 5 deletions
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15
docs/backup-client.rst
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@ -367,11 +367,16 @@ To set up a master key:
and needs to be restored, this will not be possible as the encryption key will be
lost along with the broken system.
In preparation for the worst case scenario, you should consider keeping a paper
copy of your master key locked away in a safe place. The ``paperkey`` subcommand
can be used to create a QR encoded version of your master key. The following
command sends the output of the ``paperkey`` command to a text file, for easy
printing.
It is recommended that you keep your master key safe, but easily accessible, in
order for quick disaster recovery. For this reason, the best place to store it
is in your password manager, where it is immediately recoverable. As a backup to
this, you should also save the key to a USB drive and store that in a secure
place. This way, it is detached from any system, but is still easy to recover
from, in case of emergency. Finally, in preparation for the worst case scenario,
you should also consider keeping a paper copy of your master key locked away in
a safe place. The ``paperkey`` subcommand can be used to create a QR encoded
version of your master key. The following command sends the output of the
``paperkey`` command to a text file, for easy printing.
.. code-block:: console