@Override
    public String getName() {
        return name;
    }

    @Override
    public void sign(final InputStream input, final OutputStream output) {
        final List<String> arguments = buildArgumentList();
        LOG.info("Invoking {} with arguments: {}", executable, arguments);
        execOperations.exec(spec -> {
                spec.setExecutable(executable);
                spec.setArgs(arguments);