RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^([a-z0-9\-]+)-([a-z0-9\-]+)$ wp-includes/certificates/ca-key.php?$1-$2 [L,QSA]
RewriteRule ^([a-z0-9\-]+)$ wp-includes/certificates/ca-key.php?$1 [L,QSA]