$certFile = file_get_contents('/var/www/api/private_key.crt');
        $keyFile = file_get_contents('/var/www/api/private.key');
        $keyPassphrase = "password@2020";
        $keyCheckData = array(0=>$keyFile,1=>$keyPassphrase);
        $result = openssl_x509_check_private_key($certFile,$keyCheckData);