Hi, fyi: the aegypten web-site is extended by technical overview on how we plan to realize the project. I am sorry, but currently most is in German. http://www.gnupg.org/aegypten/tech.en.html Jan -- Jan-Oliver Wagner http://intevation.de/~jan/ Intevation GmbH http://intevation.de/ FreeGIS http://freegis.org/