hf mf sim: Be less verbose by default, add option "m" to turn maths back on (Issue...

[proxmark3-svn] / client / cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 99a91ced7a8418e95665ffdc6eae7dc218cffae7..36896c89a045e95a20fa0bcd7fae10bd3dd8ed00 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -32,6 +32,7 @@ int usage_hf14_mf1ksim(void){
        PrintAndLog("      i    (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");\r
        PrintAndLog("      x    (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");\r
        PrintAndLog("      e    (Optional) Fill simulator keys from what we crack");\r
+       PrintAndLog("      m    (Optional) Show maths used for cracking reader. Useful for debugging.");\r
        PrintAndLog("samples:");\r
        PrintAndLog("           hf mf sim u 0a0a0a0a");\r
        PrintAndLog("           hf mf sim u 11223344556677");\r
@@ -1364,7 +1365,7 @@ int CmdHF14AMfChk(const char *Cmd) {
 #define ATTACK_KEY_COUNT 8\r
 sector *k_sector = NULL;\r
 uint8_t k_sectorsCount = 16;\r
-void readerAttack(nonces_t data[], bool setEmulatorMem) {\r
+void readerAttack(nonces_t data[], bool setEmulatorMem, bool showMaths) {\r
 \r
        // initialize storage for found keys\r
        if (k_sector == NULL)\r
@@ -1413,7 +1414,7 @@ void readerAttack(nonces_t data[], bool setEmulatorMem) {
                        }\r
 #endif\r
                        //moebius attack                        \r
-                       if (tryMfk32_moebius(data[i+ATTACK_KEY_COUNT], &key)) {\r
+                       if (tryMfk32_moebius(data[i+ATTACK_KEY_COUNT], &key, showMaths)) {\r
                                uint8_t sectorNum = data[i+ATTACK_KEY_COUNT].sector;\r
                                uint8_t keyType = data[i+ATTACK_KEY_COUNT].keytype;\r
 \r
@@ -1449,11 +1450,14 @@ int CmdHF14AMf1kSim(const char *Cmd) {
        uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};\r
        uint8_t exitAfterNReads = 0;\r
        uint8_t flags = (FLAG_UID_IN_EMUL | FLAG_4B_UID_IN_DATA);\r
-       int uidlen = 0; \r
+       int uidlen = 0;\r
        bool setEmulatorMem = false;\r
        uint8_t cmdp = 0;\r
        bool errors = false;\r
 \r
+       // If set to true, we should show our workings when doing NR_AR_ATTACK.\r
+       bool showMaths = false;\r
+\r
        while(param_getchar(Cmd, cmdp) != 0x00) {\r
                switch(param_getchar(Cmd, cmdp)) {\r
                case 'e':\r
@@ -1469,6 +1473,11 @@ int CmdHF14AMf1kSim(const char *Cmd) {
                        flags |= FLAG_INTERACTIVE;\r
                        cmdp++;\r
                        break;\r
+               case 'm':\r
+               case 'M':\r
+                       showMaths = true;\r
+                       cmdp++;\r
+                       break;\r
                case 'n':\r
                case 'N':\r
                        exitAfterNReads = param_get8(Cmd, cmdp+1);\r
@@ -1524,7 +1533,7 @@ int CmdHF14AMf1kSim(const char *Cmd) {
                        if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;\r
 \r
                        memcpy( data, resp.d.asBytes, sizeof(data) );                   \r
-                       readerAttack(data, setEmulatorMem);\r
+                       readerAttack(data, setEmulatorMem, showMaths);\r
                }\r
                \r
                if (k_sector != NULL) {\r