I must be psychic: Re: Pushing hard-linked backups

Eric S. Johansson wrote:
> Matt McCutchen wrote:
>> bOn Mon, 2007-12-24 at 18:34 -0500, Eric S. Johansson wrote:
>>> I'd love for the remote backup to be encrypted locally so one could
>>> backup to a hostile host.
>>
>> That limits your options.  
> 
> one would think.  For now, lets go with the plaintext push form of 
> rsnapshot. as for encryption, I think it would be possible (assuming 
> mods to rsync) to do rsync encrypted copies. 

http://rsyncrypto.wiki.sourceforge.net/

Rsyncrypto - Rsync Friendly File Encryption
Why is Rsyncrypto
Sometimes it is necessary to store files on a remote server. This is typically 
needed for backup purposes. When that is done, there are two concerns that need 
to be addressed:

    1. How to keep the privacy of the files stored?
    2. How to keep bandwidth usage to a minimum?

Both problems have rather simple solutions:

    1. Encrypt the files prior to sending them. Keep the key locally.
    2. Use rsync to only transfer the changes.

There is just one problem - the two solutions contradict. Plain mode encryption 
of files hide the specific changes to the file, making rsync useless at