From af0e25b51935e3c17769591daab07dd8bd4a9310 Mon Sep 17 00:00:00 2001
From: merlokk <807634+merlokk@users.noreply.github.com>
Date: Mon, 11 Dec 2023 15:44:43 +0200
Subject: [PATCH] read block0 and check keys

---
 client/src/cmdhfmf.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/client/src/cmdhfmf.c b/client/src/cmdhfmf.c
index bd9eead19..f258c9ac3 100644
--- a/client/src/cmdhfmf.c
+++ b/client/src/cmdhfmf.c
@@ -8884,6 +8884,9 @@ static int CmdHF14AMfInfo(const char *Cmd) {
         PrintAndLogEx(INFO, "<none>");
 
     PrintAndLogEx(INFO, "--- " _CYAN_("Keys Information") "---------------------");
+    uint8_t key[MIFARE_KEY_SIZE] = {0};
+    uint8_t keyType = 0xff;
+
     int sectorsCnt = 1;
     uint8_t *keyBlock = NULL;
     uint32_t keycnt = 0;
@@ -8899,8 +8902,30 @@ static int CmdHF14AMfInfo(const char *Cmd) {
         return PM3_EMALLOC;
     }
     res = mfCheckKeys_fast(sectorsCnt, true, true, 1, keycnt, keyBlock, e_sector, false);
+    if (res == PM3_SUCCESS) {
+        uint8_t blockdata[MFBLOCK_SIZE] = {0};
 
-    PrintAndLogEx(FAILED, "res:  %d, %d %d", res, e_sector[0].foundKey[0], e_sector[0].foundKey[1]);
+        if (e_sector[0].foundKey[0]) {
+            PrintAndLogEx(SUCCESS, "Sector 0 key A... %12llx", e_sector[0].Key[0]);
+
+            num_to_bytes(e_sector[0].Key[0], MIFARE_KEY_SIZE, key);
+            if (mfReadBlock(0, MF_KEY_A, key, blockdata) == PM3_SUCCESS)
+                keyType = MF_KEY_A;
+        }
+
+        if (e_sector[0].foundKey[1]) {
+            PrintAndLogEx(SUCCESS, "Sector 0 key B... %12llx", e_sector[0].Key[1]);
+
+            if (keyType == 0xff) {
+                num_to_bytes(e_sector[0].Key[1], MIFARE_KEY_SIZE, key);
+                if (mfReadBlock(0, MF_KEY_B, key, blockdata) == PM3_SUCCESS)
+                    keyType = MF_KEY_B;
+            }
+        }
+
+        if (keyType != 0xff)
+            PrintAndLogEx(SUCCESS, "Block 0 ......... %s", sprint_hex(blockdata, MFBLOCK_SIZE));
+    }
 
     free(keyBlock);
     free(e_sector);