Description of problem:

There doesn't seem to be any documentation on where to find the
GPG-Keys which are used to sign Fedora Packages. 

yum throws a

| You can do that by running the command:
|     rpm --import public.gpg.key
| For more information contact your distribution or package provider.

when trying to run it with "gpgcheck=1" in yum.conf, but neither in
the manual page of yum nor in the manual page of yum.conf one can find
a reference to the keys in /usr/share/doc/fedora-release.

The question as to where to find the keys pops up from time to time on
usenet or in mailing lists.

Version-Release number of selected component (if applicable):

yum-2.1.11-3