Hi, I don't know if this is the best forum for this, but I'll ask anyway. I would need to write two application that kind of work together: - one application that signs a small piece of text with an X.509 certificate and then sends it over a UDP packet - and a second one (receiving that package) that verifies that signature based on the signature (actually, the name of the CA that signed that signature). My goal is to extend a application that sends UDP-stream by additing X.509 based authentification. I guess the openssl project would be a place for this, but it's not that easy to find good documentation on how to use this inside a self-written C-program. (or I must have been looking at the wrong place -( ). Anybody any idea where to find this information and -preferably- some programming examples? Cheerio! Kr. Bonne. -- To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html