Basic file signing question

[Jack Kaye]

Thanks David!

- Jack
 

> -----Original Message-----
> From: David Shaw [mailto:dshaw at jabberwocky.com] 
> Sent: Wednesday, September 10, 2008 3:45 PM
> To: Jack Kaye
> Cc: gnupg-users at gnupg.org
> Subject: Re: Basic file signing question
> 
> On Sep 10, 2008, at 4:15 PM, Jack Kaye wrote:
> 
> > Greetings all,
> >
> > I have what is probably a very basic question but for some reason I
> > can't seem
> > to find the answer anywhere online and was hoping one of you GnuPG
> > boffins could
> > assist here.
> >
> > I am trying to digitally sign a file as I encrypt it.
> >
> > The encryption part is easy:
> >
> > gpg -r <their key> -e <file>
> >
> > Signing it is also easy:
> >
> > gpg -r <their key> -se <file>
> >
> > But when I sign it this way, it just seems to take the 
> first key in my
> > keyring.
> > I have generated different public keys to send to different 
> people and
> > would like
> > to sign the encrypted file with a key of my choice.  Is that  
> > possible or
> > am I just
> > not understanding the process of creating a digital signature?
> 
> gpg -u <your key you want to sign with> -r <their key> -se <file>
> 
> It's the -u flag.
> 
> David
>