milutin at nasbackup.com milutin at nasbackup.com
Mon Apr 17 08:13:45 GMT 2006


Take a look at Rsyncrypto, rsync friendly file encryption
The file are encrypted befor it rsync.

Milutin Voinivich


Julian Pace Ross wrote:
> Hi all,

> I recently came across a possible requirement of backing up 
> certain files on a remote server ... in an encrypted format.
> This got me seriously thinking about the possibility of doing such a 
> thing with rsync.
> I am not too knowledgable about encryption and the mechanisms of the 
> rsync algorithm (at least as yet :), but I would like to know whether 
> this is attainable or 'far fetched' so to speak.
> In other words, the requirement would be that rsync encrypts the data 
> in transmission (like is done with ssh), but the data is stored on the 
> receiver still encrypted.
> The reverse (i.e. decryption with private key) would be done only when 
> the client is retreiving the data from the server.
> The idea is that data stored on the remote server would be unreadable 
> to the people on that side, but can be decrypted when rsyncing back to 
> the local server in case of data loss.
> I have a medium to good knowledge of C, but before delving into 
> understanding the rsync source, I wanted to hear any opinions on how 
> possible, if at all, this is...
> Julian

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