can we fix handshake error from worldpay in a site having ssl?

Question

I have a site developed in codeigniter hosted with ssl. After successful payment transaction in WorldPay its not getting back to our site and we are getting an email from WorldPay saying that

 Error reported: Callback to: https://my_site/controller/function: failed CAUSED BY Received fatal alert: handshake_failure.

my .htaccess file

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L]
RewriteCond %{HTTPS} !=on
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]