]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhfmf.c
ADD: `analyse nuid` - generates NUID 4byte from a UID 7byte. Mifare Classic Ev1...
[proxmark3-svn] / client / cmdhfmf.c
index 7cc07e96f62e485c330c77ce6f359184261f80ca..4ebef19c503ef688204590d40552c6358fe759e4 100644 (file)
@@ -9,32 +9,35 @@
 //-----------------------------------------------------------------------------\r
 \r
 #include "cmdhfmf.h"\r
-#include "cmdhfmfhard.h"\r
-#include "nonce2key/nonce2key.h"\r
 \r
 static int CmdHelp(const char *Cmd);\r
 int usage_hf14_mifare(void){\r
-       PrintAndLog("Usage:  hf mf mifare [h] <block number>");\r
+       PrintAndLog("Usage:  hf mf mifare [h] <block number> <A|B>");\r
        PrintAndLog("options:");\r
-       PrintAndLog("           h    this help");\r
-       PrintAndLog("           <block number>  (Optional) target other key A than block 0.");\r
+       PrintAndLog("      h               this help");\r
+       PrintAndLog("      <block number>  (Optional) target other block");\r
+       PrintAndLog("      <A|B>           (optional) target key type");\r
        PrintAndLog("samples:");\r
        PrintAndLog("           hf mf mifare");\r
        PrintAndLog("           hf mf mifare 16");\r
+       PrintAndLog("           hf mf mifare 16 B");\r
        return 0;\r
 }\r
 int usage_hf14_mf1ksim(void){\r
-       PrintAndLog("Usage:  hf mf sim  [h] u <uid (8,14,20 hex symbols)> n <numreads> i x");\r
+       PrintAndLog("Usage:  hf mf sim [h] u <uid> n <numreads> [i] [x] [e] [v]");\r
        PrintAndLog("options:");\r
        PrintAndLog("      h    this help");\r
        PrintAndLog("      u    (Optional) UID 4,7 or 10bytes. If not specified, the UID 4b from emulator memory will be used");\r
        PrintAndLog("      n    (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");\r
        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("      x    (Optional) Crack, performs the 'reader attack', nr/ar attack against a reader");\r
+       PrintAndLog("      e    (Optional) Fill simulator keys from found keys");\r
+       PrintAndLog("      v    (Optional) Verbose");\r
        PrintAndLog("samples:");\r
        PrintAndLog("           hf mf sim u 0a0a0a0a");\r
        PrintAndLog("           hf mf sim u 11223344556677");\r
        PrintAndLog("           hf mf sim u 112233445566778899AA");     \r
+       PrintAndLog("           hf mf sim u 11223344 i x");     \r
        return 0;\r
 }\r
 int usage_hf14_dbg(void){\r
@@ -111,15 +114,33 @@ int usage_hf14_chk(void){
        PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
        PrintAndLog("options:");\r
        PrintAndLog("      h    this help");    \r
-       PrintAndLog("      *    all sectors");\r
-       PrintAndLog("      card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
+       PrintAndLog("      *    all sectors based on card memory, other values then below defaults to 1k");\r
+       PrintAndLog("                           0 - MINI(320 bytes)");\r
+       PrintAndLog("                           1 - 1K");\r
+       PrintAndLog("                           2 - 2K");\r
+       PrintAndLog("                           4 - 4K");\r
        PrintAndLog("      d    write keys to binary file");\r
        PrintAndLog("      t    write keys to emulator memory\n");\r
        PrintAndLog(" ");\r
        PrintAndLog("samples:");\r
-       PrintAndLog("      hf mf chk 0 A 1234567890ab keys.dic");\r
-       PrintAndLog("      hf mf chk *1 ? t");\r
-       PrintAndLog("      hf mf chk *1 ? d");\r
+       PrintAndLog("      hf mf chk 0 A 1234567890ab keys.dic     -- target block 0, Key A");\r
+       PrintAndLog("      hf mf chk *1 ? t                        -- target all blocks, all keys, 1K, write to emul");\r
+       PrintAndLog("      hf mf chk *1 ? d                        -- target all blocks, all keys, 1K, write to file");\r
+       return 0;\r
+}\r
+int usage_hf14_keybrute(void){\r
+       PrintAndLog("J_Run's 2nd phase of multiple sector nested authentication key recovery");\r
+       PrintAndLog("You have a known 4 last bytes of a key recovered with mf_nonce_brute tool.");\r
+       PrintAndLog("First 2 bytes of key will be bruteforced");\r
+       PrintAndLog("");\r
+       PrintAndLog("Usage:  hf mf keybrute [h] <block number> <A|B> <key>");\r
+       PrintAndLog("options:");\r
+       PrintAndLog("      h               this help");\r
+       PrintAndLog("      <block number>  target block number");\r
+       PrintAndLog("      <A|B>           target key type");\r
+       PrintAndLog("      <key>           candidate key from mf_nonce_brute tool");\r
+       PrintAndLog("samples:");\r
+       PrintAndLog("           hf mf keybrute 1 A 000011223344");\r
        return 0;\r
 }\r
 \r
@@ -129,13 +150,18 @@ int CmdHF14AMifare(const char *Cmd) {
        uint64_t par_list = 0, ks_list = 0, r_key = 0;\r
        int16_t isOK = 0;\r
        int tmpchar; \r
-       uint8_t blockNo = 0;\r
+       uint8_t blockNo = 0, keytype = MIFARE_AUTH_KEYA;\r
        \r
        char cmdp = param_getchar(Cmd, 0);      \r
        if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_mifare();\r
        \r
-       blockNo = param_get8(Cmd, 0);\r
-       UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, 0}};\r
+       blockNo = param_get8(Cmd, 0);    \r
+       \r
+       cmdp = param_getchar(Cmd, 1);\r
+       if (cmdp == 'B' || cmdp == 'b')\r
+               keytype = MIFARE_AUTH_KEYB;\r
+       \r
+       UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, keytype}};\r
 \r
        // message\r
        printf("-------------------------------------------------------------------------\n");\r
@@ -189,18 +215,22 @@ start:
                }\r
        }       \r
        printf("\n");\r
+       // error\r
+       if (isOK != 1) return 1;\r
        \r
-       // par == 0\r
-       if (isOK == -1 && par_list == 0) {\r
-               if (!nonce2key_ex(uid, nt, nr, ks_list, &r_key) ){\r
-                       PrintAndLog("Found valid key: %012"llx" \n", r_key);\r
+       if (par_list == 0 && ks_list != 0) {\r
+               // this special attack when parities is zero, uses checkkeys. Which now with block/keytype option also needs. \r
+               // but it uses 0|1 instead of 0x60|0x61...\r
+               if (nonce2key_ex(blockNo, keytype - 0x60 , uid, nt, nr, ks_list, &r_key) ){\r
+                       PrintAndLog("Trying again with a different reader nonce...");\r
+                       c.arg[0] = false;\r
+                       goto start;\r
+               } else {\r
+                       PrintAndLog("Found valid key: %012" PRIx64 " \n", r_key);\r
                        goto END;\r
                }\r
        }\r
-       \r
-       // error\r
-       if (isOK != 1) return 1;\r
-       \r
+\r
        // execute original function from util nonce2key\r
        if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {\r
                isOK = 2;\r
@@ -209,7 +239,17 @@ start:
                c.arg[0] = false;\r
                goto start;\r
        } else {\r
-               PrintAndLog("Found valid key: %012"llx" \n", r_key);\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" PRIx64 ") - Test authentication failed. [%d] Restarting darkside attack", r_key, res);  \r
+                       goto start;\r
+               }\r
+               PrintAndLog("Found valid key: %012" PRIx64 " \n", r_key);\r
        }\r
 END:\r
        t1 = clock() - t1;\r
@@ -273,9 +313,7 @@ int CmdHF14AMfRdBl(const char *Cmd) {
        uint8_t blockNo = 0;\r
        uint8_t keyType = 0;\r
        uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
-       \r
-       char cmdp       = 0x00;\r
-\r
+       char cmdp = 0x00;\r
 \r
        if (strlen(Cmd)<3) {\r
                PrintAndLog("Usage:  hf mf rdbl    <block number> <key A/B> <key (12 hex symbols)>");\r
@@ -302,7 +340,7 @@ int CmdHF14AMfRdBl(const char *Cmd) {
        SendCommand(&c);\r
 \r
        UsbCommand resp;\r
-       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {\r
                uint8_t isOK  = resp.arg[0] & 0xff;\r
                uint8_t *data = resp.d.asBytes;\r
 \r
@@ -432,7 +470,7 @@ int CmdHF14AMfDump(const char *Cmd) {
        size_t bytes_read;\r
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                bytes_read = fread( keyA[sectorNo], 1, 6, fin );\r
-               if ( bytes_read == 0) {\r
+               if ( bytes_read != 6) {\r
                        PrintAndLog("File reading error.");\r
                        fclose(fin);\r
                        return 2;\r
@@ -442,7 +480,7 @@ int CmdHF14AMfDump(const char *Cmd) {
        // Read keys B from file\r
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                bytes_read = fread( keyB[sectorNo], 1, 6, fin );\r
-               if ( bytes_read == 0) {\r
+               if ( bytes_read != 6) {\r
                        PrintAndLog("File reading error.");\r
                        fclose(fin);\r
                        return 2;\r
@@ -450,12 +488,13 @@ int CmdHF14AMfDump(const char *Cmd) {
        }\r
        \r
        fclose(fin);\r
-\r
+                       \r
        PrintAndLog("|-----------------------------------------|");\r
        PrintAndLog("|------ Reading sector access bits...-----|");\r
        PrintAndLog("|-----------------------------------------|");\r
-       \r
+       uint8_t tries = 0;\r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
+               for (tries = 0; tries < 3; tries++) {           \r
                UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};\r
                memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
                clearCommandBuffer();\r
@@ -469,7 +508,8 @@ int CmdHF14AMfDump(const char *Cmd) {
                                rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1\r
                                rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2\r
                                rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer\r
-                       } else {\r
+                                       break;\r
+                               } else if (tries == 2) { // on last try set defaults\r
                                PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);\r
                                rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
                                rights[sectorNo][3] = 0x01;\r
@@ -480,6 +520,7 @@ int CmdHF14AMfDump(const char *Cmd) {
                        rights[sectorNo][3] = 0x01;\r
                }\r
        }\r
+       }\r
        \r
        PrintAndLog("|-----------------------------------------|");\r
        PrintAndLog("|----- Dumping all blocks to file... -----|");\r
@@ -489,7 +530,7 @@ int CmdHF14AMfDump(const char *Cmd) {
        for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
                for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
                        bool received = false;\r
-                       \r
+                       for (tries = 0; tries < 3; tries++) {                   \r
                        if (blockNo == NumBlocksPerSector(sectorNo) - 1) {              // sector trailer. At least the Access Conditions can always be read with key A. \r
                                UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
                                memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
@@ -506,12 +547,18 @@ int CmdHF14AMfDump(const char *Cmd) {
                                } else if (rights[sectorNo][data_area] == 0x07) {                                                                               // no key would work\r
                                        isOK = false;\r
                                        PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);\r
+                                               tries = 2;\r
                                } else {                                                                                                                                                                // key A would work\r
                                        UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
                                        memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
                                        clearCommandBuffer();\r
                                        SendCommand(&c);\r
                                        received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
+                                       }\r
+                               }\r
+                               if (received) {\r
+                                       isOK  = resp.arg[0] & 0xff;\r
+                                       if (isOK) break;\r
                                }\r
                        }\r
 \r
@@ -601,7 +648,7 @@ int CmdHF14AMfRestore(const char *Cmd) {
        size_t bytes_read;\r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
                bytes_read = fread( keyA[sectorNo], 1, 6, fkeys );\r
-               if ( bytes_read == 0) {\r
+               if ( bytes_read != 6) {\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
                        fclose(fkeys);\r
                        return 2;\r
@@ -610,7 +657,7 @@ int CmdHF14AMfRestore(const char *Cmd) {
 \r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
                bytes_read = fread( keyB[sectorNo], 1, 6, fkeys );\r
-               if ( bytes_read == 0) {\r
+               if ( bytes_read != 6) {\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
                        fclose(fkeys);\r
                        return 2;\r
@@ -630,9 +677,10 @@ int CmdHF14AMfRestore(const char *Cmd) {
                        UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};\r
                        memcpy(c.d.asBytes, key, 6);                    \r
                        bytes_read = fread(bldata, 1, 16, fdump);\r
-                       if ( bytes_read == 0) {\r
+                       if ( bytes_read != 16) {\r
                                PrintAndLog("File reading error (dumpdata.bin).");\r
                                fclose(fdump);\r
+                               fdump = NULL;                           \r
                                return 2;\r
                        }\r
                                        \r
@@ -673,7 +721,7 @@ int CmdHF14AMfRestore(const char *Cmd) {
 \r
 int CmdHF14AMfNested(const char *Cmd) {\r
        int i, j, res, iterations;\r
-       sector *e_sector = NULL;\r
+       sector_t *e_sector = NULL;\r
        uint8_t blockNo = 0;\r
        uint8_t keyType = 0;\r
        uint8_t trgBlockNo = 0;\r
@@ -743,7 +791,7 @@ int CmdHF14AMfNested(const char *Cmd) {
                switch (isOK) {\r
                        case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
                        case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
-                       case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break;\r
+                       case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random number generator is not predictable).\n"); break;\r
                        case -4 : PrintAndLog("No valid key found"); break;\r
                        case -5 : \r
                                key64 = bytes_to_num(keyBlock, 6);\r
@@ -775,7 +823,7 @@ int CmdHF14AMfNested(const char *Cmd) {
                time_t start, end;\r
                time(&start);\r
                \r
-               e_sector = calloc(SectorsCnt, sizeof(sector));\r
+               e_sector = calloc(SectorsCnt, sizeof(sector_t));\r
                if (e_sector == NULL) return 1;\r
                \r
                //test current key and additional standard keys first\r
@@ -1010,7 +1058,8 @@ int CmdHF14AMfNestedHard(const char *Cmd) {
                        slow ? "Yes" : "No",\r
                        tests);\r
 \r
-       int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);\r
+       uint64_t foundkey = 0;\r
+       int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key ? trgkey : NULL, nonce_file_read, nonce_file_write, slow, tests, &foundkey);\r
 \r
        if (isOK) {\r
                switch (isOK) {\r
@@ -1034,7 +1083,7 @@ int CmdHF14AMfChk(const char *Cmd) {
        uint8_t *keyBlock = NULL, *p;\r
        uint8_t stKeyBlock = 20;\r
        \r
-       sector *e_sector = NULL;\r
+       sector_t *e_sector = NULL;\r
        \r
        int i, res;\r
        int     keycnt = 0;\r
@@ -1158,7 +1207,7 @@ int CmdHF14AMfChk(const char *Cmd) {
                                        }\r
                                        memset(keyBlock + 6 * keycnt, 0, 6);\r
                                        num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);\r
-                                       PrintAndLog("check key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));\r
+                                       PrintAndLog("check key[%2d] %012" PRIx64, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));\r
                                        keycnt++;\r
                                        memset(buf, 0, sizeof(buf));\r
                                }\r
@@ -1181,7 +1230,7 @@ int CmdHF14AMfChk(const char *Cmd) {
        }\r
        \r
        // initialize storage for found keys\r
-       e_sector = calloc(SectorsCnt, sizeof(sector));\r
+       e_sector = calloc(SectorsCnt, sizeof(sector_t));\r
        if (e_sector == NULL) {\r
                free(keyBlock);\r
                return 1;\r
@@ -1214,7 +1263,8 @@ int CmdHF14AMfChk(const char *Cmd) {
                        if (e_sector[i].foundKey[trgKeyType]) continue;\r
                                                \r
                        for (uint32_t c = 0; c < keycnt; c += max_keys) {\r
-                               \r
+                               printf(".");\r
+                               fflush(stdout);                 \r
                                uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
                                \r
                                res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64);\r
@@ -1223,8 +1273,6 @@ int CmdHF14AMfChk(const char *Cmd) {
                                        e_sector[i].foundKey[trgKeyType] = TRUE;\r
                                        break;\r
                                }\r
-                               printf(".");\r
-                               fflush(stdout);\r
                        }\r
                        b < 127 ? ( b +=4 ) : ( b += 16 );      \r
                }\r
@@ -1314,44 +1362,130 @@ int CmdHF14AMfChk(const char *Cmd) {
        return 0;\r
 }\r
 \r
+sector_t *k_sector = NULL;\r
+uint8_t k_sectorsCount = 16;\r
+static void emptySectorTable(){\r
+\r
+       // initialize storage for found keys\r
+       if (k_sector == NULL)\r
+               k_sector = calloc(k_sectorsCount, sizeof(sector_t));\r
+       if (k_sector == NULL) \r
+               return;\r
+               \r
+       // empty e_sector\r
+       for(int i = 0; i < k_sectorsCount; ++i){\r
+               k_sector[i].Key[0] = 0xffffffffffff;\r
+               k_sector[i].Key[1] = 0xffffffffffff;\r
+               k_sector[i].foundKey[0] = FALSE;\r
+               k_sector[i].foundKey[1] = FALSE;\r
+       }\r
+}\r
+void showSectorTable(){\r
+       if (k_sector != NULL) {\r
+               printKeyTable(k_sectorsCount, k_sector);\r
+               free(k_sector);\r
+               k_sector = NULL;\r
+       }\r
+}\r
+void readerAttack(nonces_t data, bool setEmulatorMem, bool verbose) {\r
+\r
+       uint64_t key = 0;       \r
+       bool success = FALSE;\r
+       \r
+       if (k_sector == NULL)\r
+               emptySectorTable();\r
+\r
+       success = tryMfk32_moebius(data, &key, verbose);\r
+       if (success) {\r
+               uint8_t sector = data.sector;\r
+               uint8_t keytype = data.keytype;\r
+\r
+               PrintAndLog("Reader is trying authenticate with: Key %s, sector %02d: [%012" PRIx64 "]"\r
+                       , keytype ? "B" : "A"\r
+                       , sector\r
+                       , key\r
+               );\r
+\r
+               k_sector[sector].Key[keytype] = key;\r
+               k_sector[sector].foundKey[keytype] = TRUE;\r
+\r
+               //set emulator memory for keys\r
+               if (setEmulatorMem) {\r
+                       uint8_t memBlock[16] = {0,0,0,0,0,0, 0xff, 0x0F, 0x80, 0x69, 0,0,0,0,0,0};\r
+                       num_to_bytes( k_sector[sector].Key[0], 6, memBlock);\r
+                       num_to_bytes( k_sector[sector].Key[1], 6, memBlock+10);\r
+                       //iceman,  guessing this will not work so well for 4K tags.\r
+                       PrintAndLog("Setting Emulator Memory Block %02d: [%s]"\r
+                               , (sector*4) + 3\r
+                               , sprint_hex( memBlock, sizeof(memBlock))\r
+                               );\r
+                       mfEmlSetMem( memBlock, (sector*4) + 3, 1);\r
+               }\r
+       }\r
+}\r
+\r
 int CmdHF14AMf1kSim(const char *Cmd) {\r
+\r
        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
-       uint8_t pnr = 0;\r
-       uint8_t cmdp = param_getchar(Cmd, 0);\r
-\r
-       if (cmdp == 'h' || cmdp == 'H') return usage_hf14_mf1ksim();\r
-\r
-       cmdp = param_getchar(Cmd, pnr);\r
-       if (cmdp == 'u' || cmdp == 'U') {\r
-               param_gethex_ex(Cmd, pnr+1, uid, &uidlen);\r
-               switch(uidlen){\r
-                       case 20: flags = FLAG_10B_UID_IN_DATA;  break;\r
-                       case 14: flags = FLAG_7B_UID_IN_DATA; break;\r
-                       case  8: flags = FLAG_4B_UID_IN_DATA; break;\r
-                       default: return usage_hf14_mf1ksim();\r
+       uint8_t cmdp = 0;\r
+       bool errors = FALSE;\r
+       bool verbose = FALSE;\r
+       bool setEmulatorMem = FALSE;\r
+       nonces_t data[1];\r
+               \r
+       while(param_getchar(Cmd, cmdp) != 0x00) {\r
+               switch(param_getchar(Cmd, cmdp)) {\r
+               case 'e':\r
+               case 'E':\r
+                       setEmulatorMem = TRUE;\r
+                       cmdp++;\r
+                       break;\r
+               case 'h':\r
+               case 'H':\r
+                       return usage_hf14_mf1ksim();\r
+               case 'i':\r
+               case 'I':\r
+                       flags |= FLAG_INTERACTIVE;\r
+                       cmdp++;\r
+                       break;\r
+               case 'n':\r
+               case 'N':\r
+                       exitAfterNReads = param_get8(Cmd, cmdp+1);\r
+                       cmdp += 2;\r
+                       break;\r
+               case 'u':\r
+               case 'U':\r
+                       param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);\r
+                       switch(uidlen) {\r
+                               case 20: flags = FLAG_10B_UID_IN_DATA; break;\r
+                               case 14: flags = FLAG_7B_UID_IN_DATA; break;\r
+                               case  8: flags = FLAG_4B_UID_IN_DATA; break;\r
+                               default: return usage_hf14_mf1ksim();\r
+                       }\r
+                       cmdp += 2;\r
+                       break;\r
+               case 'v':\r
+               case 'V':\r
+                       verbose = TRUE;\r
+                       cmdp++;\r
+                       break;\r
+               case 'x':\r
+               case 'X':\r
+                       flags |= FLAG_NR_AR_ATTACK;\r
+                       cmdp++;\r
+                       break;\r
+               default:\r
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
+                       errors = TRUE;\r
+                       break;\r
                }\r
-               pnr +=2;\r
-       }\r
-\r
-       cmdp = param_getchar(Cmd, pnr); \r
-       if (cmdp == 'n' || cmdp == 'N') {\r
-               exitAfterNReads = param_get8(Cmd, pnr+1);\r
-               pnr += 2;\r
-       }\r
-\r
-       cmdp = param_getchar(Cmd, pnr);         \r
-       if (cmdp == 'i' || cmdp == 'I' ) {\r
-               flags |= FLAG_INTERACTIVE;\r
-               pnr++;\r
-       }\r
-\r
-       cmdp = param_getchar(Cmd, pnr); \r
-       if (cmdp == 'x' || cmdp == 'X') {\r
-               flags |= FLAG_NR_AR_ATTACK;\r
+               if(errors) break;\r
        }\r
+       //Validations\r
+       if(errors) return usage_hf14_mf1ksim();\r
        \r
        PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) "\r
                                , (uidlen == 0 ) ? "N/A" : sprint_hex(uid, uidlen>>1)\r
@@ -1363,27 +1497,20 @@ int CmdHF14AMf1kSim(const char *Cmd) {
        memcpy(c.d.asBytes, uid, sizeof(uid));\r
        clearCommandBuffer();\r
        SendCommand(&c);\r
+       UsbCommand resp;                \r
 \r
-       if(flags & FLAG_INTERACTIVE) {          \r
-               uint8_t data[32];\r
-               uint64_t key;\r
-               UsbCommand resp;                \r
+       if(flags & FLAG_INTERACTIVE) {\r
                PrintAndLog("Press pm3-button or send another cmd to abort simulation");\r
+\r
                while( !ukbhit() ){\r
                        if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue;\r
-\r
                        if ( !(flags & FLAG_NR_AR_ATTACK) ) break;\r
                        if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;\r
 \r
-                       memset(data, 0x00, sizeof(data));       \r
-                       int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];\r
-\r
-                       memcpy(data, resp.d.asBytes, len);                      \r
-                       key = 0;\r
-                       bool found = tryMfk32(data, &key);\r
-                       found ^= tryMfk32_moebius(data, &key);\r
-                       if ( found ) break;\r
+                       memcpy(data, resp.d.asBytes, sizeof(data));\r
+                       readerAttack(data[0], setEmulatorMem, verbose);\r
                }\r
+               showSectorTable();\r
        }\r
        return 0;\r
 }\r
@@ -1459,7 +1586,7 @@ int CmdHF14AMfSniff(const char *Cmd){
 \r
                        if (res == 1) {                                                         // there is (more) data to be transferred\r
                                if (pckNum == 0) {                                              // first packet, (re)allocate necessary buffer\r
-                                       if (traceLen > bufsize) {\r
+                                       if (traceLen > bufsize || buf == NULL) {\r
                                                uint8_t *p;\r
                                                if (buf == NULL)                                // not yet allocated\r
                                                        p = malloc(traceLen);\r
@@ -1546,7 +1673,7 @@ int CmdHF14AMfSniff(const char *Cmd){
 int CmdHF14AMfDbg(const char *Cmd) {\r
 \r
        char ctmp = param_getchar(Cmd, 0);\r
-       if (strlen(Cmd) < 1  || ctmp == 'h'|| ctmp == 'H') return usage_hf14_dbg();\r
+       if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') return usage_hf14_dbg();\r
        \r
        uint8_t dbgMode = param_get8ex(Cmd, 0, 0, 10);\r
        if (dbgMode > 4) return usage_hf14_dbg();\r
@@ -1556,12 +1683,49 @@ int CmdHF14AMfDbg(const char *Cmd) {
        return 0;\r
 }\r
 \r
-void printKeyTable( uint8_t sectorscnt, sector *e_sector ){\r
+int CmdHF14AMfKeyBrute(const char *Cmd) {\r
+\r
+       uint8_t blockNo = 0, keytype = 0;\r
+       uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
+       uint64_t foundkey = 0;\r
+       \r
+       char cmdp = param_getchar(Cmd, 0);      \r
+       if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_keybrute();\r
+       \r
+       // block number\r
+       blockNo = param_get8(Cmd, 0);    \r
+       \r
+       // keytype\r
+       cmdp = param_getchar(Cmd, 1);\r
+       if (cmdp == 'B' || cmdp == 'b') keytype = 1;\r
+       \r
+       // key\r
+       if (param_gethex(Cmd, 2, key, 12)) return usage_hf14_keybrute();\r
+       \r
+       clock_t t1 = clock();\r
+       time_t start, end;\r
+       time(&start);\r
+       \r
+       if (mfKeyBrute( blockNo, keytype, key, &foundkey))\r
+               PrintAndLog("Found valid key: %012" PRIx64 " \n", foundkey);\r
+       else\r
+               PrintAndLog("Key not found");\r
+       \r
+       t1 = clock() - t1;\r
+       time(&end);\r
+       unsigned long elapsed_time = difftime(end, start);      \r
+       if ( t1 > 0 )\r
+               PrintAndLog("\nTime in keybrute: %.0f ticks %u seconds\n", (float)t1, elapsed_time);\r
+       \r
+       return 0;       \r
+}\r
+\r
+void printKeyTable( uint8_t sectorscnt, sector_t *e_sector ){\r
        PrintAndLog("|---|----------------|---|----------------|---|");\r
        PrintAndLog("|sec|key A           |res|key B           |res|");\r
        PrintAndLog("|---|----------------|---|----------------|---|");\r
        for (uint8_t i = 0; i < sectorscnt; ++i) {\r
-               PrintAndLog("|%03d|  %012"llx"  | %d |  %012"llx"  | %d |", i,\r
+               PrintAndLog("|%03d|  %012" PRIx64 "  | %d |  %012" PRIx64 "  | %d |", i,\r
                        e_sector[i].Key[0], e_sector[i].foundKey[0], \r
                        e_sector[i].Key[1], e_sector[i].foundKey[1]\r
                );\r
@@ -1570,7 +1734,6 @@ void printKeyTable( uint8_t sectorscnt, sector *e_sector ){
 }\r
 \r
 // EMULATOR COMMANDS\r
-\r
 int CmdHF14AMfEGet(const char *Cmd)\r
 {\r
        uint8_t blockNo = 0;\r
@@ -1584,7 +1747,7 @@ int CmdHF14AMfEGet(const char *Cmd)
        \r
        blockNo = param_get8(Cmd, 0);\r
 \r
-       PrintAndLog(" ");\r
+       PrintAndLog("");\r
        if (!mfEmlGetMem(data, blockNo, 1)) {\r
                PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));\r
        } else {\r
@@ -1611,7 +1774,6 @@ int CmdHF14AMfESet(const char *Cmd)
 {\r
        uint8_t memBlock[16];\r
        uint8_t blockNo = 0;\r
-\r
        memset(memBlock, 0x00, sizeof(memBlock));\r
 \r
        if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {\r
@@ -1893,7 +2055,7 @@ int CmdHF14AMfEKeyPrn(const char *Cmd)
                }\r
                keyA = bytes_to_num(data, 6);\r
                keyB = bytes_to_num(data + 10, 6);\r
-               PrintAndLog("|%03d|  %012"llx"  |  %012"llx"  |", i, keyA, keyB);\r
+               PrintAndLog("|%03d|  %012" PRIx64 "  |  %012" PRIx64 "  |", i, keyA, keyB);\r
        }\r
        PrintAndLog("|---|----------------|----------------|");\r
        \r
@@ -2297,10 +2459,11 @@ static command_t CommandTable[] = {
        {"dump",                CmdHF14AMfDump,                 0, "Dump MIFARE classic tag to binary file"},\r
        {"restore",             CmdHF14AMfRestore,              0, "Restore MIFARE classic binary file to BLANK tag"},\r
        {"wrbl",                CmdHF14AMfWrBl,                 0, "Write MIFARE classic block"},\r
-       {"chk",                 CmdHF14AMfChk,                  0, "Test block keys"},\r
-       {"mifare",              CmdHF14AMifare,                 0, "Read parity error messages."},\r
-       {"nested",              CmdHF14AMfNested,               0, "Test nested authentication"},\r
+       {"chk",                 CmdHF14AMfChk,                  0, "Check keys"},\r
+       {"mifare",              CmdHF14AMifare,                 0, "Darkside attack. read parity error messages."},\r
+       {"nested",              CmdHF14AMfNested,               0, "Nested attack. Test nested authentication"},\r
        {"hardnested",  CmdHF14AMfNestedHard,   0, "Nested attack for hardened Mifare cards"},\r
+       {"keybrute",    CmdHF14AMfKeyBrute,             0, "J_Run's 2nd phase of multiple sector nested authentication key recovery"},\r
        {"sniff",               CmdHF14AMfSniff,                0, "Sniff card-reader communication"},\r
        {"sim",                 CmdHF14AMf1kSim,                0, "Simulate MIFARE card"},\r
        {"eclr",                CmdHF14AMfEClear,               0, "Clear simulator memory block"},\r
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