def process_ciphers(results, service):
    """Process Ciphers

    Args:
        results (Element): XML results from firewall
        service (str): A string containing either mgmt or ha for ciphers

    Returns:
        set_ciphers_list (list): A list of ciphers already set on the firewall
    """
    set_ciphers_list = []
    xml_list = results.findall('./result/{}/'.format(service))

    for item in xml_list:
        set_ciphers_list.append(item.tag)

    return set_ciphers_list