sicutdeux@helix:~$ sudo apt-key list
/etc/apt/trusted.gpg
--------------------
pub   1024D/437D05B5 2004-09-12
uid                  Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>sub   2048g/79164387 2004-09-12

pub   1024D/33BAC1B3 2004-02-20 [caduca: 2009-05-31]
uid                  cipherfunk.org packages <packages@cipherfunk.org>
sub   2048g/746C39FF 2004-02-20 [caduca: 2009-05-31]

sicutdeux@helix:~$