some text changes.

[proxmark3-svn] / client / cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 65c9dcb775b8918d50dddec9d91371e24e0e203f..a8a1eb804400d93912139187c53298fff95ff6ec 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -239,6 +239,16 @@ start:
                c.arg[0] = false;\r
                goto start;\r
        } else {\r
+               \r
+               // nonce2key found a candidate key.  Lets verify it.\r
+               uint8_t keyblock[] = {0,0,0,0,0,0};\r
+               num_to_bytes(r_key, 6, keyblock);\r
+               uint64_t key64 = 0;\r
+               int res = mfCheckKeys(blockNo, keytype - 0x60 , false, 1, keyblock, &key64);\r
+               if ( res > 0 ) {\r
+                       PrintAndLog("Candidate Key found (%012"llx") - Test authentication failed. Starting over darkside attack", r_key);      \r
+                       goto start;\r
+               }\r
                PrintAndLog("Found valid key: %012"llx" \n", r_key);\r
        }\r
 END:\r