docs: @Sensitive
      public static byte[] encodeLTPATokenForWASClassic(Codec codec, @Sensitive byte[] ltpaTokenBytes) {
          byte[] result = null;
          try {
              byte[] innerGSSToken = encodeLTPAToken(codec, ltpaTokenBytes);
              if (innerGSSToken != null) {
                  result = createGSSToken(codec, LTPAMech.LTPA_OID, innerGSSToken);
              }
          } catch (Exception ex) {
              // do nothing, return null
          }
          return result;
      }