Warning! New cryptographic modes!

[Alexander Klimov]

On Sun, 10 May 2009, Jerry Leichter wrote:
> The problem has to do with using rsync to maintain backups of
> directories.  rsync tries to transfer a minimum of data by sending
> only the differences between new and old versions of files.
> Suppose, however, that I want to keep my backup "in the cloud", and
> I don't want to expose my data.  That is, what I really want to
> store is encrypted versions of my files - and I don't want the
> server to be able to decrypt, even as part of the transfer.

IMO the simplest solution is to rsync a file container encrypted by
TrueCrypt (each block is separately encrypted by XTS).

-- 
Regards,
ASK

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