From ab0debba0213ebd91a19e4a151e820cb6a9d7769 Mon Sep 17 00:00:00 2001
From: noproto <noproto@zeroday.engineering>
Date: Tue, 10 Sep 2024 19:20:53 -0400
Subject: [PATCH] Add additional condition to backdoor check

---
 lib/nfc/protocols/mf_classic/mf_classic_poller.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/nfc/protocols/mf_classic/mf_classic_poller.c b/lib/nfc/protocols/mf_classic/mf_classic_poller.c
index 2b122679e..7a068c4b8 100644
--- a/lib/nfc/protocols/mf_classic/mf_classic_poller.c
+++ b/lib/nfc/protocols/mf_classic/mf_classic_poller.c
@@ -560,7 +560,8 @@ NfcCommand mf_classic_poller_handler_analyze_backdoor(MfClassicPoller* instance)
     // Attempt backdoor authentication
     MfClassicError error = mf_classic_poller_auth(
         instance, 0, &dict_attack_ctx->current_key, MfClassicKeyTypeA, NULL, true);
-    if((next_key_index == 0) && (error == MfClassicErrorProtocol)) {
+    if((next_key_index == 0) &&
+       (error == MfClassicErrorProtocol || error == MfClassicErrorTimeout)) {
         FURI_LOG_E(TAG, "No backdoor identified");
         dict_attack_ctx->backdoor = MfClassicBackdoorNone;
         instance->state = MfClassicPollerStateRequestKey;