[Box Backup-dev] Idea for compare

[Chris Wilson]

Hi Andrei,

On Wed, 14 Mar 2007, Andrei wrote:

> Is this a viable idea?
>
> The server computes the hashes of the encrypted files and sends this
> to the client. The client encrypts every file and computes the hashes
> of the (locally) encrypted files. In this way the actual integrity of
> the files on the server is checked and very little information is
> transfered.
>
> This may be useful if the internet connection is very slow and the
> local computer has enough cpu to spare to be able to encrypt and
> compute the checksum for every file.

Yes it is viable (with some small modifications, because the encrypted 
data is not always the same, because of initialisation vectors). It is 
already on our feature requests list.

Cheers, Chris.
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