GPG/KeySigningParty

https://21c3.ccc.de/wiki/index.php/GPG_Key_Signing_Party

http://www.datenfreihafen.org/~stefan/GPG-PGP/KeySigning-21C3/

http://www.datenfreihafen.org/~stefan/GPG-PGP/KeySigning-21C3/2004-12-23/21C3-keys.txt