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.

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).

Could this be achieved with custom commands?

Best regards
Boris



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