docs: @SneakyThrows
      public static Key generateJsonWebKey(final String secret) {
          val keys = new HashMap<String, Object>(2);
          keys.put("kty", "oct");
          keys.put(EncodingUtils.JSON_WEB_KEY, secret);
          val jwk = JsonWebKey.Factory.newJwk(keys);
          return jwk.getKey();
      }