new SecretKeySpec("secret key".getBytes(UTF_8), "HmacMD5");
  private static final SecretKey SHA1_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA1");
  private static final SecretKey SHA256_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA256");
  private static final SecretKey SHA512_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA512");

   * MD5 (128 hash bits) hash function and the given secret key.
   *
   * <p>If you are designing a new system that needs HMAC, prefer {@link #hmacSha256} or other
   * future-proof algorithms <a
   * href="https://datatracker.ietf.org/doc/html/rfc6151#section-2.3">over {@code hmacMd5}</a>.
   *
   * @param key the secret key

    protected static final String OIC_REDIRECT_URL = "oic.redirect.url";

    protected static final String OIC_TOKEN_SERVER_URL = "oic.token.server.url";

    protected static final String OIC_CLIENT_SECRET = "oic.client.secret";

    protected static final String OIC_STATE = "OIC_STATE";

    protected final HttpTransport httpTransport = new NetHttpTransport();

      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacMD5");
  private static final SecretKey SHA1_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA1");
  private static final SecretKey SHA256_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA256");
  private static final SecretKey SHA512_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA512");

    private static final Charset ASCII_ENCODING = Charset.forName("US-ASCII");

    private static final boolean MASK_SECRET_VALUE = System.getProperty("jcifs.maskSecretValue", "true") == "true";
    private static final String SECRET_PATTERN = "^(smb.*:).*(@.*)$";
    private static final String SECRET_MASK_REPLACE = "$1******$2";

    /**
     * 
     */
    private Strings () {}


    /**
     * 

/**
 * API access to the <a href="https://api.slack.com/apps">Slack API</a> as an application. One
 * instance of this class may operate without a user, or on behalf of many users. Use the Slack API
 * dashboard to create a client ID and secret for this application.
 *
 * <p>You must configure your Slack API OAuth and Permissions page with a localhost URL like {@code
 * http://localhost:53203/oauth/}, passing the same port to this class’ constructor.
 */

        @SuppressWarnings("unchecked") // reading data stored by writeMultimap
        V value = (V) stream.readObject();
        values.add(value);
      }
    }
  }

  // Secret sauce for setting final fields; don't make it public.
  static <T> FieldSetter<T> getFieldSetter(Class<T> clazz, String fieldName) {
    try {
      Field field = clazz.getDeclaredField(fieldName);

    private MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];

    /**
     * Creates an HMACT64 instance which uses the given secret key material.
     *
     * @param key The key material to use in hashing.
     */
    public HMACT64(byte[] key) {
        super("HMACT64");
        int length = Math.min(key.length, BLOCK_LENGTH);

    private MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];


    /**
     * Creates an HMACT64 instance which uses the given secret key material.
     *
     * @param key
     *            The key material to use in hashing.
     */
    public HMACT64 ( byte[] key ) {
        super("HMACT64");

                || "spnego.preauth.password".equals(key) //
                || "app.cipher.key".equals(key) //
                || "oic.client.id".equals(key) //
                || "oic.client.secret".equals(key);
    }

    public static List<Map<String, String>> getBugReportItems() {
        final List<Map<String, String>> itemList = new ArrayList<>();
        for (final String label : bugReportLabels) {