Key conversion for GPG <-> OpenSSL <-> SSH: http://www.sysmic.org/dotclear/index.php?post/2010/03/24/Convert-keys-be...
Key conversion for OpenSSL <-> jarsigner: http://forums.sun.com/thread.jspa?threadID=5419870
# CA openssl genrsa -aes128 -out ca/ca.key -passout pass:sabre150 2048