From 643a53c592b48feb16f67c3b3f6fe52d6a4e1fbb Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Sat, 5 Sep 2020 08:32:26 +0200
Subject: [PATCH] skip all zeros response that "hf mf sim" might answer..
 (wrongly)

---
 armsrc/mifarecmd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 0b5ab761c..ba1f6201a 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -1970,6 +1970,10 @@ int MifareECardLoad(uint8_t sectorcnt, uint8_t keytype) {
                 continue;
             }
 
+            if (memcmp(dataoutbuf, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 16) == 0) {
+                continue;
+            }
+
             if (blockNo < NumBlocksPerSector(sectorNo) - 1) {
                 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);
             } else { // sector trailer, keep the keys, set only the AC