Prebuilt PPD modules for ActivePerl are available from the OSC web site for Perl 5.6, 5.7, 5.8 and 5.10. Install with: ppm install http://www.open.com.au/radiator/free-downloads/Authen-Digipass.ppd 179. How do I install a root certificate on Windows Mobile 5If you intend to use 802.1X authentication with PEAP, TTLS or TLS, you will need to install (also called enroll) the root certificate of the CA that issues the Radius server certificate onto the mobile device. Radiator comes with a sample server certificate and corresponding root certificate in the certificates directory of your distribution. In order to install the root certificate on Windows Mobile 5 and other similar devices, copy certificates/root.der to the mobile device, and change its name to root.cer. Then open File Explorer, find the file and double-click on it. The Windows certificate enroller will then import the certificate.