Efficient rsyncrypto hides remote sync data
The rsync utility is smart enough to send only enough bytes of a changed file to a remote system to enable the remote file to become identical to the local file. When that information is sensitive, using rsync over SSH protects files while in transit, but SSH's changes to files foil rsync's efficiency. rsyncrypto allows you to encrypt your files while still allowing you to leverage the speed of rsync.
One of the aims of encryption is to try to make any change to the unencrypted file completely modify how the encrypted file appears.
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