code: @Sensitive
      public static byte[] encodeLTPAToken(Codec codec, @Sensitive byte[] ltpaTokenBytes) {
          byte[] result = null;
          try {
              // create and encode the initial context token
              Any a = ORB.init().create_any();
              OpaqueHelper.insert(a, ltpaTokenBytes);
              byte[] init_ctx_token = codec.encode_value(a);
  
              result = createGSSToken(codec, LTPAMech.LTPA_OID, init_ctx_token);
          } catch (Exception ex) {
              // do nothing, return null
          }
          return result;
      }
docs: /*
  In Liberty a single GSSToken is created.