[K12OSN] missing some public keys for 4.2.1 update

[Petre Scheie]

I followed Eric's instructions for updating my 4.2.0 server to 4.2.1:

--snip--

To upgrade a K12LTSP 4.2.0 server online, install the latest
k12ltsp-release package and then run yum update:


   rpm -Uhv ftp://k12linux.mesd.k12.or.us/pub/K12LTSP/4.2.1beta/updates/k12ltsp-release-4.2.1-5.noarch.rpm
   yum update

Yum update was cruising along when I suddenly got this:
...

scribus-templates-1.2.1-1 100% |=========================| 1.4 MB    00:07
libtool-libs-1.5.6-4.FC3. 100% |=========================|  23 kB    00:00
warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID 1ac70ce6
public key not available for 
//var/cache/yum/extras/packages/perl-IPC-ShareLite-0.09-4.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/synaptic-0.55.3-2.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/fltk-1.1.4-8.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/blender-2.37-1.fc3.1.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/apt-0.5.15cnc7-1.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/openal-0.0-0.2.20040726.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/gnome-themes-extras-0.8.0-2.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/bluefish-1.0-2.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/SDL_ttf-2.0.6-4.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/lcms-1.14-1.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/meld-0.9.5-1.noarch.rpm
public key not available for 
//var/cache/yum/extras/packages/perl-IO-Zlib-1.04-2.noarch.rpm
public key not available for 
//var/cache/yum/extras/packages/perl-Cache-Cache-1.04-1.noarch.rpm
public key not available for 
//var/cache/yum/extras/packages/qcad-2.0.4.0-2.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/cabextract-1.1-2.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/celestia-1.3.2-2.i386.rpm
public key not available for 
//var/cache/yum/extras/packages/gtkglext-1.0.6-1.i386.rpm

Where do I get the public key for these packages?

Petre