Fwd: [Bug 4615] encryption with rsync: using ssh's algorithms?

[H]

I saw this on the other list today and became intrigued. How does this transfer and encryption work?



-------- Forwarded Message --------
Subject: 	[Bug 4615] encryption with rsync: using ssh's algorithms?
Date: 	Sun, 26 Jul 2020 01:19:57 +0000
From: 	just subscribed for rsync-qa from bugzilla via rsync <rsync at lists.samba.org>
Reply-To: 	samba-bugs at samba.org
To: 	rsync-qa at samba.org



https://bugzilla.samba.org/show_bug.cgi?id=4615

Wayne Davison <wayne at opencoder.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WONTFIX
             Status|NEW                         |RESOLVED

--- Comment #3 from Wayne Davison <wayne at opencoder.net> ---
In addition to the rsyncrypto suggestion (which requires you to encrypt your
files before sending them) I added a feature to 3.2.1 which allows you to send
data to an daemon rsync's "early exec" script which would allow you to mount an
encrypted filesystem using information provided to the script from the client
computer (which would keep it off of the remote host).  If you also setup rsync
behind an ssl proxy, the secret to mount the encrypted filesystem during the
backup copy should be pretty safe.  However, you do have a potential window of
exposure during the time that the encrypted filesystem is mounted, so
rsyncrypto is the safer way to go. Beyond that, I don't think that I want rsync
to actually do the encrypting of the files.

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