The SCHAT type is already used by some other clients for SSL CHAT. This example module doesn't work yet anyway, so no-one can actually be using it.
This module is incomplete. It's purpose was to implement a secure dcc chat using RSA style encryption. If you feel like taking a stab at completing this, please email me edwards@bitchx.dimension6.com as well as letting humble@efnet know that you are interested. Colten Edwards