/lib/crda/pubkeys/ubuntu-devel-discuss@lists.ubuntu.com.key.pub.pem is in wireless-regdb 2011.04.28-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | -----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzm2KjNmC/P0IZd2lIz5+
fSKWHZELqUSmHjk/lNEgBooCGRdnb1eoWswSO+Oo8D6EGjjty86EoZZAjCU+6buY
1gpT+6OG92GA/XGdo1VdDDApP+cZsTWbQoNlbpdWFSkVFRFulWJtL9RZ/ysFRlg5
1fXp5wXNcqkAo9Sy2Z4jRLiR/wYsdTMojLkF38LVMcWhgI4MsGiEMUYeaSnZKOZa
w+niVDfWr8SZQwM45j0BcTmiJO1mWsA9QlTb7LEtbr+YBJ3lA+NE9kuji2tijn6g
D+Jc6Ro+MpCzomqxbZbXrqvGt+657HSH9+Oj9U3lmDyNcHHC3JeHhEVvfLHrS6to
9wIDAQAB
-----END PUBLIC KEY-----
|