Hi all,

I feel like this is a very basic question but I’ve not been able to figure out 
the answer myself yet from the Tarsnap documentation.

I’d like the server that I backup using Tarsnap to only host the encryption key 
needed to create the encrypted backup. I don’t want it to have the decryption 
key used when running "tarsnap -x -f” to restore a backup.

I’d like to keep that restore key stored offline somewhere, so that should an 
attacker breach any of the machines that are backed up using Tarsnap they will 
not be able to access those Tarsnap backups.

Is this a common pattern, or something that is recommended? How can I achieve 
this?

Thanks,

Simon

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