Maybe StartSSL is enough for you https://www.startssl.com/?app=1 https://www.startssl.com/?app=1 (not so easy to setup, but there are some tips www.troyhunt.com

Maybe StartSSL is enough for you https://www.startssl.com/?app=1 https://www.startssl.com/?app=1 (not so easy to setup, but there are some tips www.troyhunt.com/2013/09/the-complete-guide-to-loading-free-ssl.html) Other option, if you can wait for the future https://letsencrypt.org/ https://letsencrypt.org/