Re: [Orgmode] Feature request: Selective encryption

[Carsten Dominik]

On Aug 31, 2007, at 21:28, John Wiegley wrote:

> Carsten Dominik <address@hidden> writes:
>
> > I do think this would be a useful feature.  Some properties I'd find 
> > useful:
> >
> > - Use symmetric encryption
> >
> > - Be able to recognize if an entry is encrypted
> >
> > - Leave the headline of the entry alone and only encrypt the text 
> > below it
> > and the subtree, if present
> >
> > - Support something like a CRYPT tag, leading to automatic encryption 
> > when
> > the file is saved, to make sure encrypted entries are never saved in 
> > clear
> > text.
> >
> > - Use only a single password per file, so once one entry is decrypted,
> >   others will open without an additional password prompt.
> >
> > Something like this.
>
> Yes, this is just what I'm thinking too, though I'd like the option of 
> binding
> different CRYPT tags to different keys or passwords.  So, I could have
> WORK_CRYPT, HOME_CRYPT, etc., and each would have its own separate 
> protection.
> This would allow multiple people to have their own private regions 
> within the
> same org-mode file.

Excellent idea, I did not think about this possibility.

> I should be able to create an external module for this that does not 
> affect
> org.el at all, but just adds keybindings to org-mode-map and 
> after-save-hook.

Cool.  Please do!

I have tried to read the allout documentation about it and found
it entirely undigestible for the cryptographically uninitiated.
I hope you can explain it better.

- Carsten