SSL - HTTPS
http://java.sun.com/j2se/1.5.0/docs/guide/security/jsse/JSSERefGuide.html
http://www.heatonresearch.com/articles/146/page5.html
http://forums.sun.com/thread.jspa?threadID=515154
http://stackoverflow.com/questions/875467/java-client-certificates-over-https-ssl
http://vafer.org/blog/20061010073725