java md5

private String md5(String input) {
    String md5 = null;
    try {
        MessageDigest digest = MessageDigest.getInstance("MD5");
        digest.update(input.getBytes(), 0, input.length());
        md5 = new BigInteger(1, digest.digest()).toString(16);
    } catch (NoSuchAlgorithmException e) {
        Timber.e(e.getLocalizedMessage(), e);
    }
    return md5;
}