Do not interpret private DO as TLV.

Solves #50.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

src/openpgp/cmd_get_data.c

@@ -54,6 +54,7 @@ int cmd_get_data() {
         }
         uint16_t fids[] = { 1, fid };
         uint16_t data_len = parse_do(fids, 1);
+        if (!(fid >= EF_PRIV_DO_1 && fid <= EF_PRIV_DO_4)) {
             uint8_t *p = NULL;
             uint16_t tg = 0;
             uint16_t tg_len = 0;
@@ -73,6 +74,7 @@ int cmd_get_data() {
                     res_APDU_size -= dec;
                 }
             }
+        }
         if (is_gpg == false) {
             uint8_t off = 2;
             if (P1(apdu) > 0x0) {