[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

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.


Reply to: