Re: Encrypted backup

From: Ric Otte (ric_at_otte.ucsc.edu)
Date: 03/30/05

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    Date: Wed, 30 Mar 2005 05:24:35 -0800
To: debian-user@lists.debian.org

    On Tue, Mar 29, 2005 at 10:11:16PM +0200, Christophe wrote:
    > Hi,
    >
    > 1) My goal is to upload daily some backups of my most important files
    > (spreadsheets, photos, ~ 3 Gb) to the server to another off-site server
    > (Debian too, with ssh access).
    > As I'm not the administrator of the remote server, I'd like to encrypt
    > everything (gnupg seems fine). As I've got only an 16 kb/s upload, I'd
    > like to use rsync or something similar, but as my computer is an old
    > one, I'd like to avoid reencrypting everything each time, and I'd like
    > to avoid storing a local encrypted backup to spare disk. So I have no
    > way to compare easily the encrypted backups and the local original
    > files.
    > I'm afraid that mounting an encrypted file on the remote server is not
    > feasible (fuse + sshfs + cryptoloop ?)... Anyway, I need to be able to
    > retrieve the encrypted files from another system (my Mac, even Windows
    > in the worst case).
    >
    > The best I've thought of is hacking a shell script which stores the
    > timestamps of the remote backups somewhere, and if necessary encrypts
    > each file, and uploads it (scp or rsync, that won't change much).
    >
    > Am I dreaming?
    >
    > 2) Another problem are the file names, that I'd like to hide. I'd need
    > something a bit more complicated than rot13, do you know one?
    >
    > Thanks on advance for any idea.
    >
    >
    >
    > --
    > Christophe

    Christophe,
    Try hdup. I use it to make encrypted remote backups of my files every
    day.
    Ric 

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