CSE uses a wildcard certificate provided by Quovadis (via UNSW) to secure most of its internet services.
CSE Root Authority
Some older services (openvpn, ftps) still use a self signed certificate. The Certificate Authority file can be downloaded from http://www.cse.unsw.edu.au/cacert.pem
The details for the Root Authority certificate are :
SHA1 Fingerprint - 0F:CB:68:22:FB:D2:13:3E:F6:89:A3:57:65:72:8B:42:E8:15:72:2D
MD5 Fingerprint - 5F:ED:81:33:C8:02:08:09:8D:71:F0:E6:6E:28:90:77