'debian-archive-keyring' also shows up as unsigned, but that could be something "special" to do with the debian keyring being signed by the previous debian-archive signing key.
-- netmask in dapper and edgy currently "cannot be authenticated" https://launchpad.net/bugs/61275 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs