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[NMLUG] Encrypting backups (RQ24-1)
On Monday 28 June 2004 19:40, Sarang wrote:
> I want to encrypt my backups (using GPG), but don't want to run into
> the silly situation where my hard drive crashes and I lose the secret
> key to decrypt my backups of the hard drive!
>
> Is copying the contents of /.gnupg/secring.gpg (to a floppy, for
> example) sufficient? Or is there more I need to copy (pubring.gpg?
> randomseed? the entire .gnupg directory?-- presumably I can get my
> own public key back from my secret key, no?)). Of course, I realize
> I'll need my passphrase as well, but I plan to store that in
> /dev/sarang/brain (low-memory, high-seek-time device I had installed
> some time ago).
Your secret key is completely contained in your secring.gpg file, but
you can also explicitly export it with the '-a --export-secret-keys'
options.
> Anything else I need for usable secure backups?
You might also consider that since the sender and receiver of this
information is yourself, and there is no insecure channel over which
you need to trade coding information, you could just use symmetric key
encryption (i.e. '-c' or '--symmetric') and now all you have to do is
remember the passphrase.
--
Wesley J. Landaker <wjl@icecavern.net>
OpenPGP FP: 4135 2A3B 4726 ACC5 9094 0097 F0A9 8A4C 4CD6 E3D2
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