Good news. Sorry to reply to own post.
I have found the following interfaces:
twisted.internet.interfaces.IReactorSSL.listenSSL
twisted.internet.interfaces.IReactorSSL.connectSSL
this looks promising. I believe authentication is passed in the protocol
so maybe there is not that much to worry
Is there a plan to provide security for ZEO client / server
communication using Twisted now that it is in Zope3? I only have not
read all source of ZEO but wish to use it with encryption and
authentication and Twisted is an excellent toolbox for network
communication. Anyone done this or have