code: public static void main(String[] args) {
          try {
              KeyGenerator kgen = KeyGenerator.getInstance("Blowfish");
              SecretKey skey = kgen.generateKey();
              byte[] raw = skey.getEncoded();
              String keyString = new String(Hex.encodeHex(raw));
              System.out.println("storm -c " + SECRET_KEY + "=" + keyString + " -c " + Config.TOPOLOGY_TUPLE_SERIALIZER + "="
                      + BlowfishTupleSerializer.class.getName() + " ...");
          } catch (Exception ex) {
              LOG.error(ex.getMessage());
              ex.printStackTrace();
          }
      }
docs: Produce a blowfish key to be used in "Storm jar" command