Re: Encrypt file while you are using it
On Mon, Nov 24, 2008 at 06:58:31PM +0100, Jochen Schulz wrote:
> Manuel Gomez:
> >
> > Hi, i would like to maintain encrypt an archive in all moment, so i
> > would like to know what software can be this.
>
> You cannot work with encrypted data without decrypting it.
>
> > Now i am using Truecrypt, but when i mount the encrypted directory it's
> > vulnerable.
>
> In which sense? As long as you are careful, it is never saved decrypted
> on disk. You cannot use the file without decrypting it, if only in
> memory.
>
Since memory can get swapped, I'd suggest encrypting swap, and putting
/tmp on tmpfs (so it stays in memory or gets swapped if necessary).
Doug.
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