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[Duplicity-talk] The workings of duplicity
From: |
Haim Dimer |
Subject: |
[Duplicity-talk] The workings of duplicity |
Date: |
Tue, 15 Jun 2004 13:05:19 -0400 |
Hi there,
I have a question about the workings of duplicity.
As I understand it, the data is sent by chunks through the facility
that librsync provides, only sending the chunks that have changed from
one backup to the next. To do so, I imagine that librsync compares the
2 files, the original and the most recent backup, so as to determine
what part of that file changed.
Now since the file is stored encrypted, librsync does not have access
to the decrypted backup. Or does it? How does the comparison happen
since the remote backup is encrypted? Where does the decryption happen?
Thank you for your answers.
Haim.
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