fnord@vgnnr498e:~$ 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   4096R/C0B21F32 2012-05-11
uid                  Ubuntu Archive Automatic Signing Key (2012) <ftpmaster@ubuntu.com>

pub   4096R/EFE21092 2012-05-11
uid                  Ubuntu CD Image Automatic Signing Key (2012) <cdimage@ubuntu.com>

pub   1024D/FBB75451 2004-12-30
uid                  Ubuntu CD Image Automatic Signing Key <cdimage@ubuntu.com>

pub   2048R/BEB6D886 2015-03-27 [verfallen: 2017-06-04]
uid                  home:Horst3180 OBS Project <home:Horst3180@build.opensuse.org>

/etc/apt/trusted.gpg.d/debian-archive-jessie-automatic.gpg
----------------------------------------------------------
pub   4096R/2B90D010 2014-11-21 [verfällt: 2022-11-19]
uid                  Debian Archive Automatic Signing Key (8/jessie) <ftpmaster@debian.org>

/etc/apt/trusted.gpg.d/debian-archive-jessie-security-automatic.gpg
-------------------------------------------------------------------
pub   4096R/C857C906 2014-11-21 [verfällt: 2022-11-19]
uid                  Debian Security Archive Automatic Signing Key (8/jessie) <ftpmaster@debian.org>

/etc/apt/trusted.gpg.d/debian-archive-jessie-stable.gpg
-------------------------------------------------------
pub   4096R/518E17E1 2013-08-17 [verfällt: 2021-08-15]
uid                  Jessie Stable Release Key <debian-release@lists.debian.org>

/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
-----------------------------------------------------------
pub   4096R/473041FA 2010-08-27 [verfällt: 2018-03-05]
uid                  Debian Archive Automatic Signing Key (6.0/squeeze) <ftpmaster@debian.org>

/etc/apt/trusted.gpg.d/debian-archive-squeeze-stable.gpg
--------------------------------------------------------
pub   4096R/B98321F9 2010-08-07 [verfällt: 2017-08-05]
uid                  Squeeze Stable Release Key <debian-release@lists.debian.org>

/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
----------------------------------------------------------
pub   4096R/46925553 2012-04-27 [verfällt: 2020-04-25]
uid                  Debian Archive Automatic Signing Key (7.0/wheezy) <ftpmaster@debian.org>

/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
-------------------------------------------------------
pub   4096R/65FFB764 2012-05-08 [verfällt: 2019-05-07]
uid                  Wheezy Stable Release Key <debian-release@lists.debian.org>

fnord@vgnnr498e:~$