Key ID format: short or long?

David Shaw dshaw at
Tue Oct 21 22:00:43 CEST 2008

On Tue, Oct 21, 2008 at 04:49:11PM -0300, Faramir wrote:
> David Newman escribi??:
> >> I was thinking... in case I want to put my key ID in a business card,
> >> what format should I use? Short format (8 characters) or long format
> > I would use the entire fingerprint in the same format as reported
> > by --fingerprint (10 groups of 4 hex chars).  The key ID is last
> > 8 characters of the fingerprint.  At one point I even had a rubber
>   I never noticed that before (the fact KeyID is the last 8 or 16
> characters of the fingerprint).
> David Shaw escribi??:
> > Personally, I'd put the whole fingerprint on there (and in fact, that
> > it what I do).  It's not terribly long, and it is the most-specific
> > way to specify a particular key in OpenPGP.
>   Well, it is not terrible long if it is used to check a key already
> found, but to type it to do a search... I think maybe it can be a bit
> "scary" for new users... maybe I should put the KeyID short format, and
> in smaller text, the whole fingerprint...

That is the best of all worlds.  I have both on my business cards.


More information about the Gnupg-users mailing list