Secure Connections between all Sensors and the Prelude Manager
http://www.prelude-technologies.com

Libprelude is a library that guarantees secure connections between all sensors
and the Prelude Manager. Libprelude provides an Application Programming
Interface (API) for the communication with Prelude sub-systems, it supplies
the necessary functionality for generating and emitting IDMEF events with
Prelude and automates the saving and re-transmission of data in times of
temporary interruption of one of the components of the system.