error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure

PHP Snippet 1:

  $caFile = "ca.pem";
  $keyFile = "key.pem";
  $certFile = "client.pem";
  $certPass = "xxxxxx";

  curl_setopt($ch, CURLOPT_CAINFO, $caFile);
  curl_setopt($ch, CURLOPT_SSLKEY, $keyFile);
  curl_setopt($ch, CURLOPT_SSLCERT, $certFile);
  curl_setopt($ch, CURLOPT_SSLCERTPASSWD, $certPass);