De keys kloppen:
dennis@mirage:/tmp$ ./check_keys
Checking http://ax.archive.ubuntu.com/ubuntu/dists/edgy/Release, key 437D05B5
gpgv: Signature made wo 25 okt 2006 19:13:17 CEST using DSA key ID 437D05B5
Checking http://ax.archive.ubuntu.com/ubuntu/dists/edgy-updates/Release, key 437D05B5
gpgv: Signature made vr 22 dec 2006 03:19:53 CET using DSA key ID 437D05B5
Checking http://security.ubuntu.com/ubuntu/dists/edgy-security/Release, key 437D05B5
gpgv: Signature made wo 20 dec 2006 22:27:19 CET using DSA key ID 437D05B5
Checking http://ax.archive.ubuntu.com/ubuntu/dists/edgy/Release, key 437D05B5
gpgv: Signature made wo 25 okt 2006 19:13:17 CEST using DSA key ID 437D05B5
Checking http://ax.archive.ubuntu.com/ubuntu/dists/edgy-updates/Release, key 437D05B5
gpgv: Signature made vr 22 dec 2006 03:19:53 CET using DSA key ID 437D05B5
Checking http://security.ubuntu.com/ubuntu/dists/edgy-security/Release, key 437D05B5
gpgv: Signature made wo 20 dec 2006 22:27:19 CET using DSA key ID 437D05B5
Checking http://seveas.imbrandon.com/dists/edgy-seveas/Release, key 1135D466
gpgv: Signature made vr 29 dec 2006 20:05:50 CET using RSA key ID 1135D466
Checking http://ax.archive.ubuntu.com/ubuntu/dists/edgy-backports/Release, key 437D05B5
gpgv: Signature made di 05 dec 2006 11:09:38 CET using DSA key ID 437D05B5
Checking http://kubuntu.org/packages/kde-latest/dists/edgy/Release, key DD4D5088
gpgv: Signature made di 12 dec 2006 15:54:11 CET using DSA key ID DD4D5088
Checking http://kubuntu.org/packages/koffice-latest/dists/edgy/Release, key DD4D5088
gpgv: Signature made ma 04 dec 2006 16:03:46 CET using DSA key ID DD4D5088
Checking http://www.beerorkid.com/compiz/dists/edgy/Release, key ed8a569e
gpgv: Signature made za 21 okt 2006 18:52:02 CEST using DSA key ID ED8A569E