docs: public static byte[] makeDeploymentHash(byte[] inbytes)
      {
          MessageDigest md = null;
          try {
              md = MessageDigest.getInstance("SHA-1");
          } catch (NoSuchAlgorithmException e) {
              VoltDB.crashLocalVoltDB("Bad JVM has no SHA-1 hash.", true, e);
          }
          md.update(inbytes);
          byte[] hash = md.digest();
          assert(hash.length == 20); // sha-1 length
          return hash;
      }