Am 02.09.2015 um 21:30 schrieb Dr. Boris Neubert:
> Am 2. September 2015 16:15:34 schrieb Bowie
>
>>> and how can be a backup encoded (because of unsecure cloud server or
>>> similar)?
>> I believe the only way to do this is to have the data directory reside
>> on an encrypted filesystem.
>>
> I am also looking for a reasonable solution for encrypting remote backups.
> Encryption of the underlying filesystem on the remote end would not do the
> job because data are readily accessible as long as the filesystem is mounted.

EXACTLY !!!
I have play around with iscsi to mount the remot file system locally and 
ebcrypt it, but it is complicated and slow. And if the tunnel breaks or 
whatever, tha data may be corrupt.

>
> I would like encryption on the local end with a key that is kept local and
> a salt, e.g. the md5 checksum of the file. This ensures encryption already
> when file is in transit. For my setup, this would require getting in
> between reading the local file and transferring the then encrypted file via
> rsync (similar principle for restoring file).
Hmmm... sounds interesting.

>
> Could this be achieved with custom commands?

???

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