[R] encrypted RData file?

[Na Li]

On 27 Oct 2005, Duncan Temple Lang wrote:

> Yes, it is of interest and was sitting on my todo list at
> some time.  If you want to go ahead and provide code to do it,
> that would be terrific.  There are other areas where encryption
> would be good to have, so a general mechanism would be nice.
> 
> D.
> 
> Na Li wrote:
> > Hi, I wonder if there is interest/intention to allow for encrypted .RData
> > files?  One can certainly do that outside R manually but that will leave a
> > decrypted RData file somewhere which one has to remember to delete.
> > 

I was hoping someone has already done it.  ;-(

One possibility is to implement an interface package to gpgme library which
itself is an interface to GnuPG.  

But I'm not sure how the input of passphrase can be handled without using
clear text.

Michael