I confirm that this happens on networks that do not require login.
I verified the checksums of the files in /var/lib/system-image/keyrings/* and they match with files downloaded on another system
root@ubuntu-phablet:/# md5sum /var/lib/system-image/keyrings/*
1a4a5d8b79d01a77523c2d3dfba0304b /var/lib/system-image/keyrings/image-master.tar.xz
d895b83c18976542e2bb658729903b7c /var/lib/system-image/keyrings/image-master.tar.xz.asc
b89d60561ca2a866c5abc4e472663109 /var/lib/system-image/keyrings/image-signing.tar.xz
9a4214fb6d6d9b27dc5df03b0f2569d1 /var/lib/system-image/keyrings/image-signing.tar.xz.asc
Note that there are only 4 files. archive-master.* and blacklist.* are missing from this directory.
I confirm that this happens on networks that do not require login.
I verified the checksums of the files in /var/lib/ system- image/keyrings/ * and they match with files downloaded on another system phablet: /# md5sum /var/lib/ system- image/keyrings/ * 7523c2d3dfba030 4b /var/lib/ system- image/keyrings/ image-master. tar.xz 2e2bb658729903b 7c /var/lib/ system- image/keyrings/ image-master. tar.xz. asc 6c5abc4e4726631 09 /var/lib/ system- image/keyrings/ image-signing. tar.xz 7dc5df03b0f2569 d1 /var/lib/ system- image/keyrings/ image-signing. tar.xz. asc
root@ubuntu-
1a4a5d8b79d01a7
d895b83c1897654
b89d60561ca2a86
9a4214fb6d6d9b2
Note that there are only 4 files. archive-master.* and blacklist.* are missing from this directory.