Create a file /etc/eduroam/uni-heidelberg-ca.pem
(or at a location to your liking) that contains the required CA certificates (can be found below or be extracted from the Linux configuration script by https://cat.eduroam.org).
Create a wicd template at /etc/wicd/encryption/templates/eduroam-uni-heidelberg
:
name = eduroam-uni-heidelberg
author = Jane Doe
version = 1