From 4f09be929a7a65a08c74e3df759ad194116f8be4 Mon Sep 17 00:00:00 2001
From: Jacob Fenton <jacob.d.fenton@gmail.com>
Date: Thu, 12 Apr 2018 13:52:04 +0100
Subject: [PATCH] Calculated block number for MIFARE Classic 4k cards now takes
 into account that first 32 sectors have 4 blocks, last 8 have 16 blocks.

---
 miLazyCracker.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/miLazyCracker.sh b/miLazyCracker.sh
index b68c1a0..74d960f 100755
--- a/miLazyCracker.sh
+++ b/miLazyCracker.sh
@@ -82,6 +82,12 @@ while [ $keepTrying -eq 1 ]; do
             unknownKeyLetter=${arr[4]}
             knownBlockNum=$((knownSectorNum * 4))
             unknownBlockNum=$((unknownSectorNum * 4))
+            if [ "$knownSectorNum" -gt 31 ]; then
+                knownBlockNum=$((128+((knownSectorNum-32)*16)))
+            fi
+            if [ "$unknownSectorNum" -gt 31 ]; then
+                unknownBlockNum=$((128+((unknownSectorNum-32)*16)))
+            fi
             echo "Trying HardNested Attack..."
             mycmd=(libnfc_crypto1_crack "$knownKey" "$knownBlockNum" "$knownKeyLetter" "$unknownBlockNum" "$unknownKeyLetter" "$TMPFILE_FND")
             echo "${mycmd[@]}"