Ça donne ça
# apt-key list
/etc/apt/trusted.gpg
--------------------
pub rsa2048 2012-04-17 [SC]
1904 C5B4 2E48 56DC D4E9 CF96 360A AF32 59A3 E6FF
uid [ unknown] YunoHost <build@yunohost.org>
sub rsa2048 2012-04-17 [E]
/etc/apt/trusted.gpg.d/debian-archive-jessie-automatic.gpg
----------------------------------------------------------
pub rsa4096 2014-11-21 [SC] [expires: 2022-11-19]
126C 0D24 BD8A 2942 CC7D F8AC 7638 D044 2B90 D010
uid [ unknown] Debian Archive Automatic Signing Key (8/jessie) <ftpmaster@debian.org>
/etc/apt/trusted.gpg.d/debian-archive-jessie-security-automatic.gpg
-------------------------------------------------------------------
pub rsa4096 2014-11-21 [SC] [expires: 2022-11-19]
D211 6914 1CEC D440 F2EB 8DDA 9D6D 8F6B C857 C906
uid [ unknown] Debian Security Archive Automatic Signing Key (8/jessie) <ftpmaster@debian.org>
/etc/apt/trusted.gpg.d/debian-archive-jessie-stable.gpg
-------------------------------------------------------
pub rsa4096 2013-08-17 [SC] [expires: 2021-08-15]
75DD C3C4 A499 F1A1 8CB5 F3C8 CBF8 D6FD 518E 17E1
uid [ unknown] Jessie Stable Release Key <debian-release@lists.debian.org>
/etc/apt/trusted.gpg.d/debian-archive-stretch-automatic.gpg
-----------------------------------------------------------
pub rsa4096 2017-05-22 [SC] [expires: 2025-05-20]
E1CF 20DD FFE4 B89E 8026 58F1 E0B1 1894 F66A EC98
uid [ unknown] Debian Archive Automatic Signing Key (9/stretch) <ftpmaster@debian.org>
sub rsa4096 2017-05-22 [S] [expires: 2025-05-20]
/etc/apt/trusted.gpg.d/debian-archive-stretch-security-automatic.gpg
--------------------------------------------------------------------
pub rsa4096 2017-05-22 [SC] [expires: 2025-05-20]
6ED6 F5CB 5FA6 FB2F 460A E88E EDA0 D238 8AE2 2BA9
uid [ unknown] Debian Security Archive Automatic Signing Key (9/stretch) <ftpmaster@debian.org>
sub rsa4096 2017-05-22 [S] [expires: 2025-05-20]
/etc/apt/trusted.gpg.d/debian-archive-stretch-stable.gpg
--------------------------------------------------------
pub rsa4096 2017-05-20 [SC] [expires: 2025-05-18]
067E 3C45 6BAE 240A CEE8 8F6F EF0F 382A 1A7B 6500
uid [ unknown] Debian Stable Release Key (9/stretch) <debian-release@lists.debian.org>
/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
----------------------------------------------------------
pub rsa4096 2012-04-27 [SC] [expires: 2020-04-25]
A1BD 8E9D 78F7 FE5C 3E65 D8AF 8B48 AD62 4692 5553
uid [ unknown] Debian Archive Automatic Signing Key (7.0/wheezy) <ftpmaster@debian.org>
/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
-------------------------------------------------------
pub rsa4096 2012-05-08 [SC] [expires: 2019-05-07]
ED6D 6527 1AAC F0FF 15D1 2303 6FB2 A1C2 65FF B764
uid [ unknown] Wheezy Stable Release Key <debian-release@lists.debian.org>