If you get there and want someone to bounce ideas off of or help out, feel free to let me know. (chris at efficito dot com). The one huge problem I see here i

If you get there and want someone to bounce ideas off of or help out, feel free to let me know. (chris at efficito dot com). The one huge problem I see here is that designing a managed version which could guarantee security against a wiretap order would be quite difficult. In essence you would have to push all key management issues to your users, and that leaves you a lot less to actually manage.