../ ubuntu-archive-keyring_2012.05.19-1_all.deb 23-Dec-2013 04:12 17986 ubuntu-archive-keyring_2012.05.19-2~bpo70+1_all..> 20-Mar-2015 14:39 18490 ubuntu-archive-keyring_2016.05.13-1_all.deb 04-Jun-2016 12:47 18298 ubuntu-keyring_2016.05.13-1.debian.tar.xz 04-Jun-2016 12:47 3828