From c610829f2a8a0cf40ff658f1b59f03c369c2adbc Mon Sep 17 00:00:00 2001
From: Aram <aram@factorit.nl>
Date: Tue, 3 May 2016 07:11:44 +0200
Subject: [PATCH] Better error handling

---
 libnfc_crypto1_crack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libnfc_crypto1_crack.c b/libnfc_crypto1_crack.c
index 955731c..4f19f49 100644
--- a/libnfc_crypto1_crack.c
+++ b/libnfc_crypto1_crack.c
@@ -623,7 +623,7 @@ int main (int argc, const char * argv[]) {
     }
     switch(nested_auth(uid, known_key, ab_key, for_block, target_block, target_key, NULL)){
         case KEY_WRONG:
-            printf("This doesn't look like the right key.\n");
+            printf("%012"PRIx64" doesn't look like the right key %s for block %u\n", known_key, ab_key == MC_AUTH_A ? "A" : "B", for_block);
             return 1;
         case OK:
             break;