git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdhfmf.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2011,2012 Merlok
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // High frequency MIFARE commands
   9 //-----------------------------------------------------------------------------
  10
  11 #include "cmdhfmf.h"
  12
  13 #include <inttypes.h>
  14 #include <string.h>
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <ctype.h>
  18 #include "comms.h"
  19 #include "cmdmain.h"
  20 #include "cmdhfmfhard.h"
  21 #include "parity.h"
  22 #include "util.h"
  23 #include "util_posix.h"
  24 #include "usb_cmd.h"
  25 #include "ui.h"
  26 #include "mifarehost.h"
  27 #include "mifare.h"
  28 #include "mfkey.h"
  29 #include "hardnested/hardnested_bf_core.h"
  30 #include "cliparser/cliparser.h"
  31 #include "cmdhf14a.h"
  32 #include "mifare4.h"
  33
  34 #define NESTED_SECTOR_RETRY     10                      // how often we try mfested() until we give up
  35
  36 static int CmdHelp(const char *Cmd);
  37
  38 int CmdHF14AMifare(const char *Cmd)
  39 {
  40         int isOK = 0;
  41         uint64_t key = 0;
  42         isOK = mfDarkside(&key);
  43         switch (isOK) {
  44                 case -1 : PrintAndLog("Button pressed. Aborted."); return 1;
  45                 case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests)."); return 1;
  46                 case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable)."); return 1;
  47                 case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
  48                                   PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour."); return 1;
  49                 case -5 : PrintAndLog("Aborted via keyboard.");  return 1;
  50                 default : PrintAndLog("Found valid key:%012" PRIx64 "\n", key);
  51         }
  52
  53         PrintAndLog("");
  54         return 0;
  55 }
  56
  57
  58 int CmdHF14AMfWrBl(const char *Cmd)
  59 {
  60         uint8_t blockNo = 0;
  61         uint8_t keyType = 0;
  62         uint8_t key[6] = {0, 0, 0, 0, 0, 0};
  63         uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
  64
  65         char cmdp       = 0x00;
  66
  67         if (strlen(Cmd)<3) {
  68                 PrintAndLog("Usage:  hf mf wrbl    <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
  69                 PrintAndLog("        sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
  70                 return 0;
  71         }
  72
  73         blockNo = param_get8(Cmd, 0);
  74         cmdp = param_getchar(Cmd, 1);
  75         if (cmdp == 0x00) {
  76                 PrintAndLog("Key type must be A or B");
  77                 return 1;
  78         }
  79         if (cmdp != 'A' && cmdp != 'a') keyType = 1;
  80         if (param_gethex(Cmd, 2, key, 12)) {
  81                 PrintAndLog("Key must include 12 HEX symbols");
  82                 return 1;
  83         }
  84         if (param_gethex(Cmd, 3, bldata, 32)) {
  85                 PrintAndLog("Block data must include 32 HEX symbols");
  86                 return 1;
  87         }
  88         PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
  89         PrintAndLog("--data: %s", sprint_hex(bldata, 16));
  90
  91   UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
  92         memcpy(c.d.asBytes, key, 6);
  93         memcpy(c.d.asBytes + 10, bldata, 16);
  94   SendCommand(&c);
  95
  96         UsbCommand resp;
  97         if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
  98                 uint8_t isOK  = resp.arg[0] & 0xff;
  99                 PrintAndLog("isOk:%02x", isOK);
 100         } else {
 101                 PrintAndLog("Command execute timeout");
 102         }
 103
 104         return 0;
 105 }
 106
 107 int CmdHF14AMfRdBl(const char *Cmd)
 108 {
 109         uint8_t blockNo = 0;
 110         uint8_t keyType = 0;
 111         uint8_t key[6] = {0, 0, 0, 0, 0, 0};
 112
 113         char cmdp       = 0x00;
 114
 115
 116         if (strlen(Cmd)<3) {
 117                 PrintAndLog("Usage:  hf mf rdbl    <block number> <key A/B> <key (12 hex symbols)>");
 118                 PrintAndLog("        sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
 119                 return 0;
 120         }
 121
 122         blockNo = param_get8(Cmd, 0);
 123         cmdp = param_getchar(Cmd, 1);
 124         if (cmdp == 0x00) {
 125                 PrintAndLog("Key type must be A or B");
 126                 return 1;
 127         }
 128         if (cmdp != 'A' && cmdp != 'a') keyType = 1;
 129         if (param_gethex(Cmd, 2, key, 12)) {
 130                 PrintAndLog("Key must include 12 HEX symbols");
 131                 return 1;
 132         }
 133         PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
 134
 135   UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
 136         memcpy(c.d.asBytes, key, 6);
 137   SendCommand(&c);
 138
 139         UsbCommand resp;
 140         if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 141                 uint8_t isOK  = resp.arg[0] & 0xff;
 142                 uint8_t *data = resp.d.asBytes;
 143
 144                 if (isOK) {
 145                         PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
 146                 } else {
 147                         PrintAndLog("isOk:%02x", isOK);
 148                         return 1;
 149                 }
 150
 151                 if (mfIsSectorTrailer(blockNo) && (data[6] || data[7] || data[8])) {
 152                         PrintAndLogEx(NORMAL, "Trailer decoded:");
 153                         int bln = mfFirstBlockOfSector(mfSectorNum(blockNo));
 154                         int blinc = (mfNumBlocksPerSector(mfSectorNum(blockNo)) > 4) ? 5 : 1;
 155                         for (int i = 0; i < 4; i++) {
 156                                 PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &data[6]));
 157                                 bln += blinc;
 158                         }
 159                         PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&data[9], 1));
 160                 }
 161         } else {
 162                 PrintAndLog("Command execute timeout");
 163                 return 2;
 164         }
 165
 166   return 0;
 167 }
 168
 169 int CmdHF14AMfRdSc(const char *Cmd)
 170 {
 171         int i;
 172         uint8_t sectorNo = 0;
 173         uint8_t keyType = 0;
 174         uint8_t key[6] = {0, 0, 0, 0, 0, 0};
 175         uint8_t isOK  = 0;
 176         uint8_t *data  = NULL;
 177         char cmdp       = 0x00;
 178
 179         if (strlen(Cmd)<3) {
 180                 PrintAndLog("Usage:  hf mf rdsc    <sector number> <key A/B> <key (12 hex symbols)>");
 181                 PrintAndLog("        sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
 182                 return 0;
 183         }
 184
 185         sectorNo = param_get8(Cmd, 0);
 186         if (sectorNo > 39) {
 187                 PrintAndLog("Sector number must be less than 40");
 188                 return 1;
 189         }
 190         cmdp = param_getchar(Cmd, 1);
 191         if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
 192                 PrintAndLog("Key type must be A or B");
 193                 return 1;
 194         }
 195         if (cmdp != 'A' && cmdp != 'a') keyType = 1;
 196         if (param_gethex(Cmd, 2, key, 12)) {
 197                 PrintAndLog("Key must include 12 HEX symbols");
 198                 return 1;
 199         }
 200         PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
 201
 202         UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
 203         memcpy(c.d.asBytes, key, 6);
 204         SendCommand(&c);
 205         PrintAndLog(" ");
 206
 207         UsbCommand resp;
 208         if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 209                 isOK  = resp.arg[0] & 0xff;
 210                 data  = resp.d.asBytes;
 211
 212                 PrintAndLog("isOk:%02x", isOK);
 213                 if (isOK) {
 214                         for (i = 0; i < (sectorNo<32?3:15); i++) {
 215                                 PrintAndLog("data   : %s", sprint_hex(data + i * 16, 16));
 216                         }
 217                         PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
 218
 219                         PrintAndLogEx(NORMAL, "Trailer decoded:");
 220                         int bln = mfFirstBlockOfSector(sectorNo);
 221                         int blinc = (mfNumBlocksPerSector(sectorNo) > 4) ? 5 : 1;
 222                         for (i = 0; i < 4; i++) {
 223                                 PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &(data + (sectorNo<32?3:15) * 16)[6]));
 224                                 bln += blinc;
 225                         }
 226                         PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&(data + (sectorNo<32?3:15) * 16)[9], 1));
 227                 }
 228         } else {
 229                 PrintAndLog("Command execute timeout");
 230         }
 231
 232   return 0;
 233 }
 234
 235 uint8_t FirstBlockOfSector(uint8_t sectorNo)
 236 {
 237         if (sectorNo < 32) {
 238                 return sectorNo * 4;
 239         } else {
 240                 return 32 * 4 + (sectorNo - 32) * 16;
 241         }
 242 }
 243
 244 uint8_t NumBlocksPerSector(uint8_t sectorNo)
 245 {
 246         if (sectorNo < 32) {
 247                 return 4;
 248         } else {
 249                 return 16;
 250         }
 251 }
 252
 253 static int ParamCardSizeSectors(const char c) {
 254         int numBlocks = 16;
 255         switch (c) {
 256                 case '0' : numBlocks = 5; break;
 257                 case '2' : numBlocks = 32; break;
 258                 case '4' : numBlocks = 40; break;
 259                 default:   numBlocks = 16;
 260         }
 261         return numBlocks;
 262 }
 263
 264 static int ParamCardSizeBlocks(const char c) {
 265         int numBlocks = 16 * 4;
 266         switch (c) {
 267                 case '0' : numBlocks = 5 * 4; break;
 268                 case '2' : numBlocks = 32 * 4; break;
 269                 case '4' : numBlocks = 32 * 4 + 8 * 16; break;
 270                 default:   numBlocks = 16 * 4;
 271         }
 272         return numBlocks;
 273 }
 274
 275 int CmdHF14AMfDump(const char *Cmd)
 276 {
 277         uint8_t sectorNo, blockNo;
 278
 279         uint8_t keys[2][40][6];
 280         uint8_t rights[40][4];
 281         uint8_t carddata[256][16];
 282         uint8_t numSectors = 16;
 283
 284         FILE *fin;
 285         FILE *fout;
 286
 287         UsbCommand resp;
 288
 289         char cmdp = param_getchar(Cmd, 0);
 290         numSectors = ParamCardSizeSectors(cmdp);
 291
 292         if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
 293                 PrintAndLog("Usage:   hf mf dump [card memory] [k|m]");
 294                 PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
 295                 PrintAndLog("  k: Always try using both Key A and Key B for each sector, even if access bits would prohibit it");
 296                 PrintAndLog("  m: When missing access bits or keys, replace that block with NULL");
 297                 PrintAndLog("");
 298                 PrintAndLog("Samples: hf mf dump");
 299                 PrintAndLog("         hf mf dump 4");
 300                 PrintAndLog("         hf mf dump 4 m");
 301                 return 0;
 302         }
 303
 304         char opts = param_getchar(Cmd, 1);
 305         bool useBothKeysAlways = false;
 306         if (opts == 'k' || opts == 'K') useBothKeysAlways = true;
 307         bool nullMissingKeys = false;
 308         if (opts == 'm' || opts == 'M') nullMissingKeys = true;
 309
 310         if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
 311                 PrintAndLog("Could not find file dumpkeys.bin");
 312                 return 1;
 313         }
 314
 315         // Read keys from file
 316         for (int group=0; group<=1; group++) {
 317                 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
 318                         size_t bytes_read = fread(keys[group][sectorNo], 1, 6, fin);
 319                         if (bytes_read != 6) {
 320                                 PrintAndLog("File reading error.");
 321                                 fclose(fin);
 322                                 return 2;
 323                         }
 324                 }
 325         }
 326
 327         fclose(fin);
 328
 329         PrintAndLog("|-----------------------------------------|");
 330         PrintAndLog("|------ Reading sector access bits...-----|");
 331         PrintAndLog("|-----------------------------------------|");
 332         uint8_t tries = 0;
 333         for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
 334                 for (tries = 0; tries < 3; tries++) {
 335                         UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
 336                         // At least the Access Conditions can always be read with key A.
 337                         memcpy(c.d.asBytes, keys[0][sectorNo], 6);
 338                         SendCommand(&c);
 339
 340                         if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 341                                 uint8_t isOK  = resp.arg[0] & 0xff;
 342                                 uint8_t *data  = resp.d.asBytes;
 343                                 if (isOK){
 344                                         rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0
 345                                         rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1
 346                                         rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2
 347                                         rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer
 348                                         break;
 349                                 } else if (tries == 2) { // on last try set defaults
 350                                         PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
 351                                         rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
 352                                         rights[sectorNo][3] = 0x01;
 353                                 }
 354                         } else {
 355                                 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
 356                                 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
 357                                 rights[sectorNo][3] = 0x01;
 358                         }
 359                 }
 360         }
 361
 362         PrintAndLog("|-----------------------------------------|");
 363         PrintAndLog("|----- Dumping all blocks to file... -----|");
 364         PrintAndLog("|-----------------------------------------|");
 365
 366         bool isOK = true;
 367         for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
 368                 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
 369                         bool received = false;
 370                         for (tries = 0; tries < 3; tries++) {
 371                                 if (blockNo == NumBlocksPerSector(sectorNo) - 1) {              // sector trailer. At least the Access Conditions can always be read with key A.
 372                                         UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
 373                                         memcpy(c.d.asBytes, keys[0][sectorNo], 6);
 374                                         SendCommand(&c);
 375                                         received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
 376                                 } else if (useBothKeysAlways) {
 377                                         // Always try both keys, even if access conditions wouldn't work.
 378                                         for (int k=0; k<=1; k++) {
 379                                                 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
 380                                                 memcpy(c.d.asBytes, keys[k][sectorNo], 6);
 381                                                 SendCommand(&c);
 382                                                 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
 383
 384                                                 // Don't try the other one on success.
 385                                                 if (resp.arg[0] & 0xff) break;
 386                                         }
 387                                 } else {                                                                                                // data block. Check if it can be read with key A or key B
 388                                         uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
 389                                         if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) {   // only key B would work
 390                                                 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
 391                                                 memcpy(c.d.asBytes, keys[1][sectorNo], 6);
 392                                                 SendCommand(&c);
 393                                                 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
 394                                         } else if (rights[sectorNo][data_area] == 0x07) {                                                                               // no key would work
 395                                                 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
 396                                                 if (nullMissingKeys) {
 397                                                         memset(resp.d.asBytes, 0, 16);
 398                                                         resp.arg[0] = 1;
 399                                                         PrintAndLog("  ... filling the block with NULL");
 400                                                         received = true;
 401                                                 } else {
 402                                                         isOK = false;
 403                                                         tries = 2;
 404                                                 }
 405                                         } else {                                                                                                                                                                // key A would work
 406                                                 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
 407                                                 memcpy(c.d.asBytes, keys[0][sectorNo], 6);
 408                                                 SendCommand(&c);
 409                                                 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
 410                                         }
 411                                 }
 412                                 if (received) {
 413                                         isOK  = resp.arg[0] & 0xff;
 414                                         if (isOK) break;
 415                                 }
 416                         }
 417
 418                         if (received) {
 419                                 isOK  = resp.arg[0] & 0xff;
 420                                 uint8_t *data  = resp.d.asBytes;
 421                                 if (blockNo == NumBlocksPerSector(sectorNo) - 1) {              // sector trailer. Fill in the keys.
 422                                         memcpy(data, keys[0][sectorNo], 6);
 423                                         memcpy(data + 10, keys[1][sectorNo], 6);
 424                                 }
 425                                 if (isOK) {
 426                                         memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
 427                     PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
 428                                 } else {
 429                                         PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
 430                                         break;
 431                                 }
 432                         }
 433                         else {
 434                                 isOK = false;
 435                                 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
 436                                 break;
 437                         }
 438                 }
 439         }
 440
 441         if (isOK) {
 442                 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
 443                         PrintAndLog("Could not create file name dumpdata.bin");
 444                         return 1;
 445                 }
 446                 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
 447                 fwrite(carddata, 1, 16*numblocks, fout);
 448                 fclose(fout);
 449                 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
 450         }
 451
 452         return 0;
 453 }
 454
 455 int CmdHF14AMfRestore(const char *Cmd)
 456 {
 457         uint8_t sectorNo,blockNo;
 458         uint8_t keyType = 0;
 459         uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
 460         uint8_t bldata[16] = {0x00};
 461         uint8_t keyA[40][6];
 462         uint8_t keyB[40][6];
 463         uint8_t numSectors;
 464
 465         FILE *fdump;
 466         FILE *fkeys;
 467
 468         char cmdp = param_getchar(Cmd, 0);
 469         switch (cmdp) {
 470                 case '0' : numSectors = 5; break;
 471                 case '1' :
 472                 case '\0': numSectors = 16; break;
 473                 case '2' : numSectors = 32; break;
 474                 case '4' : numSectors = 40; break;
 475                 default:   numSectors = 16;
 476         }
 477
 478         if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
 479                 PrintAndLog("Usage:   hf mf restore [card memory]");
 480                 PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
 481                 PrintAndLog("");
 482                 PrintAndLog("Samples: hf mf restore");
 483                 PrintAndLog("         hf mf restore 4");
 484                 return 0;
 485         }
 486
 487         if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
 488                 PrintAndLog("Could not find file dumpkeys.bin");
 489                 return 1;
 490         }
 491
 492         for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
 493                 size_t bytes_read = fread(keyA[sectorNo], 1, 6, fkeys);
 494                 if (bytes_read != 6) {
 495                         PrintAndLog("File reading error (dumpkeys.bin).");
 496                         fclose(fkeys);
 497                         return 2;
 498                 }
 499         }
 500
 501         for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
 502                 size_t bytes_read = fread(keyB[sectorNo], 1, 6, fkeys);
 503                 if (bytes_read != 6) {
 504                         PrintAndLog("File reading error (dumpkeys.bin).");
 505                         fclose(fkeys);
 506                         return 2;
 507                 }
 508         }
 509
 510         fclose(fkeys);
 511
 512         if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
 513                 PrintAndLog("Could not find file dumpdata.bin");
 514                 return 1;
 515         }
 516         PrintAndLog("Restoring dumpdata.bin to card");
 517
 518         for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
 519                 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
 520                         UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
 521                         memcpy(c.d.asBytes, key, 6);
 522
 523                         size_t bytes_read = fread(bldata, 1, 16, fdump);
 524                         if (bytes_read != 16) {
 525                                 PrintAndLog("File reading error (dumpdata.bin).");
 526                                 fclose(fdump);
 527                                 return 2;
 528                         }
 529
 530                         if (blockNo == NumBlocksPerSector(sectorNo) - 1) {      // sector trailer
 531                                 bldata[0]  = (keyA[sectorNo][0]);
 532                                 bldata[1]  = (keyA[sectorNo][1]);
 533                                 bldata[2]  = (keyA[sectorNo][2]);
 534                                 bldata[3]  = (keyA[sectorNo][3]);
 535                                 bldata[4]  = (keyA[sectorNo][4]);
 536                                 bldata[5]  = (keyA[sectorNo][5]);
 537                                 bldata[10] = (keyB[sectorNo][0]);
 538                                 bldata[11] = (keyB[sectorNo][1]);
 539                                 bldata[12] = (keyB[sectorNo][2]);
 540                                 bldata[13] = (keyB[sectorNo][3]);
 541                                 bldata[14] = (keyB[sectorNo][4]);
 542                                 bldata[15] = (keyB[sectorNo][5]);
 543                         }
 544
 545                         PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
 546
 547                         memcpy(c.d.asBytes + 10, bldata, 16);
 548                         SendCommand(&c);
 549
 550                         UsbCommand resp;
 551                         if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 552                                 uint8_t isOK  = resp.arg[0] & 0xff;
 553                                 PrintAndLog("isOk:%02x", isOK);
 554                         } else {
 555                                 PrintAndLog("Command execute timeout");
 556                         }
 557                 }
 558         }
 559
 560         fclose(fdump);
 561         return 0;
 562 }
 563
 564 //----------------------------------------------
 565 //   Nested
 566 //----------------------------------------------
 567
 568 static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) {
 569         char ctmp3[4] = {0};
 570         int len = param_getlength(Cmd, indx);
 571         if (len > 0 && len < 4){
 572                 param_getstr(Cmd, indx, ctmp3, sizeof(ctmp3));
 573
 574                 *paramT |= (ctmp3[0] == 't' || ctmp3[0] == 'T');
 575                 *paramD |= (ctmp3[0] == 'd' || ctmp3[0] == 'D');
 576                 bool paramS1 = *paramT || *paramD;
 577
 578                 // slow and very slow
 579                 if (ctmp3[0] == 's' || ctmp3[0] == 'S' || ctmp3[1] == 's' || ctmp3[1] == 'S') {
 580                         *timeout = 11; // slow
 581
 582                         if (!paramS1 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {
 583                                 *timeout = 53; // very slow
 584                         }
 585                         if (paramS1 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {
 586                                 *timeout = 53; // very slow
 587                         }
 588                 }
 589         }
 590 }
 591
 592 int CmdHF14AMfNested(const char *Cmd)
 593 {
 594         int i, j, res, iterations;
 595         sector_t *e_sector = NULL;
 596         uint8_t blockNo = 0;
 597         uint8_t keyType = 0;
 598         uint8_t trgBlockNo = 0;
 599         uint8_t trgKeyType = 0;
 600         uint8_t SectorsCnt = 0;
 601         uint8_t key[6] = {0, 0, 0, 0, 0, 0};
 602         uint8_t keyBlock[MifareDefaultKeysSize * 6];
 603         uint64_t key64 = 0;
 604         // timeout in units. (ms * 106)/10 or us*0.0106
 605         uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default
 606
 607         bool autosearchKey = false;
 608
 609         bool transferToEml = false;
 610         bool createDumpFile = false;
 611         FILE *fkeys;
 612         uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
 613         uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
 614
 615         char cmdp, ctmp;
 616
 617         if (strlen(Cmd)<3) {
 618                 PrintAndLog("Usage:");
 619                 PrintAndLog(" all sectors:  hf mf nested  <card memory> <block number> <key A/B> <key (12 hex symbols)> [t|d|s|ss]");
 620                 PrintAndLog(" all sectors autosearch key:  hf mf nested  <card memory> * [t|d|s|ss]");
 621                 PrintAndLog(" one sector:   hf mf nested  o <block number> <key A/B> <key (12 hex symbols)>");
 622                 PrintAndLog("               <target block number> <target key A/B> [t]");
 623                 PrintAndLog(" ");
 624                 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
 625                 PrintAndLog("t - transfer keys to emulator memory");
 626                 PrintAndLog("d - write keys to binary file dumpkeys.bin");
 627                 PrintAndLog("s - Slow (1ms) check keys (required by some non standard cards)");
 628                 PrintAndLog("ss - Very slow (5ms) check keys");
 629                 PrintAndLog(" ");
 630                 PrintAndLog("      sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");
 631                 PrintAndLog("      sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");
 632                 PrintAndLog("      sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");
 633                 PrintAndLog("      sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");
 634                 PrintAndLog("      sample5: hf mf nested 1 * t");
 635                 PrintAndLog("      sample6: hf mf nested 1 * ss");
 636                 return 0;
 637         }
 638
 639         // <card memory>
 640         cmdp = param_getchar(Cmd, 0);
 641         if (cmdp == 'o' || cmdp == 'O') {
 642                 cmdp = 'o';
 643                 SectorsCnt = 1;
 644         } else {
 645                 SectorsCnt = ParamCardSizeSectors(cmdp);
 646         }
 647
 648         // <block number>. number or autosearch key (*)
 649         if (param_getchar(Cmd, 1) == '*') {
 650                 autosearchKey = true;
 651
 652                 parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);
 653
 654                 PrintAndLog("--nested. sectors:%2d, block no:*, eml:%c, dmp=%c checktimeout=%d us",
 655                         SectorsCnt, transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);
 656         } else {
 657                 blockNo = param_get8(Cmd, 1);
 658
 659                 ctmp = param_getchar(Cmd, 2);
 660                 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
 661                         PrintAndLog("Key type must be A or B");
 662                         return 1;
 663                 }
 664
 665                 if (ctmp != 'A' && ctmp != 'a')
 666                         keyType = 1;
 667
 668                 if (param_gethex(Cmd, 3, key, 12)) {
 669                         PrintAndLog("Key must include 12 HEX symbols");
 670                         return 1;
 671                 }
 672
 673                 // check if we can authenticate to sector
 674                 res = mfCheckKeys(blockNo, keyType, true, 1, key, &key64);
 675                 if (res) {
 676                         PrintAndLog("Can't authenticate to block:%3d key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
 677                         return 3;
 678                 }
 679
 680                 // one sector nested
 681                 if (cmdp == 'o') {
 682                         trgBlockNo = param_get8(Cmd, 4);
 683
 684                         ctmp = param_getchar(Cmd, 5);
 685                         if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
 686                                 PrintAndLog("Target key type must be A or B");
 687                                 return 1;
 688                         }
 689                         if (ctmp != 'A' && ctmp != 'a')
 690                                 trgKeyType = 1;
 691
 692                         parseParamTDS(Cmd, 6, &transferToEml, &createDumpFile, &btimeout14a);
 693                 } else {
 694                         parseParamTDS(Cmd, 4, &transferToEml, &createDumpFile, &btimeout14a);
 695                 }
 696
 697                 PrintAndLog("--nested. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us",
 698                         SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);
 699         }
 700
 701         // one-sector nested
 702         if (cmdp == 'o') { // ------------------------------------  one sector working
 703                 PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');
 704                 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
 705                 if (isOK) {
 706                         switch (isOK) {
 707                                 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
 708                                 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
 709                                 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
 710                                 default : PrintAndLog("Unknown Error.\n");
 711                         }
 712                         return 2;
 713                 }
 714                 key64 = bytes_to_num(keyBlock, 6);
 715                 if (key64) {
 716                         PrintAndLog("Found valid key:%012" PRIx64, key64);
 717
 718                         // transfer key to the emulator
 719                         if (transferToEml) {
 720                                 uint8_t sectortrailer;
 721                                 if (trgBlockNo < 32*4) {        // 4 block sector
 722                                         sectortrailer = trgBlockNo | 0x03;
 723                                 } else {                                        // 16 block sector
 724                                         sectortrailer = trgBlockNo | 0x0f;
 725                                 }
 726                                 mfEmlGetMem(keyBlock, sectortrailer, 1);
 727
 728                                 if (!trgKeyType)
 729                                         num_to_bytes(key64, 6, keyBlock);
 730                                 else
 731                                         num_to_bytes(key64, 6, &keyBlock[10]);
 732                                 mfEmlSetMem(keyBlock, sectortrailer, 1);
 733                                 PrintAndLog("Key transferred to emulator memory.");
 734                         }
 735                 } else {
 736                         PrintAndLog("No valid key found");
 737                 }
 738         }
 739         else { // ------------------------------------  multiple sectors working
 740                 uint64_t msclock1;
 741                 msclock1 = msclock();
 742
 743                 e_sector = calloc(SectorsCnt, sizeof(sector_t));
 744                 if (e_sector == NULL) return 1;
 745
 746                 //test current key and additional standard keys first
 747                 for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){
 748                         num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
 749                 }
 750
 751                 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
 752                 mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, MifareDefaultKeysSize, keyBlock, e_sector);
 753
 754                 // get known key from array
 755                 bool keyFound = false;
 756                 if (autosearchKey) {
 757                         for (i = 0; i < SectorsCnt; i++) {
 758                                 for (j = 0; j < 2; j++) {
 759                                         if (e_sector[i].foundKey[j]) {
 760                                                 // get known key
 761                                                 blockNo = i * 4;
 762                                                 keyType = j;
 763                                                 num_to_bytes(e_sector[i].Key[j], 6, key);
 764                                                 keyFound = true;
 765                                                 break;
 766                                         }
 767                                 }
 768                                 if (keyFound) break;
 769                         }
 770
 771                         // Can't found a key....
 772                         if (!keyFound) {
 773                                 PrintAndLog("Can't found any of the known keys.");
 774                                 free(e_sector);
 775                                 return 4;
 776                         }
 777                         PrintAndLog("--auto key. block no:%3d, key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
 778                 }
 779
 780                 // nested sectors
 781                 iterations = 0;
 782                 PrintAndLog("nested...");
 783                 bool calibrate = true;
 784                 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
 785                         for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
 786                                 for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {
 787                                         if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
 788                                         PrintAndLog("-----------------------------------------------");
 789                                         int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
 790                                         if(isOK) {
 791                                                 switch (isOK) {
 792                                                         case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
 793                                                         case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
 794                                                         case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
 795                                                         default : PrintAndLog("Unknown Error.\n");
 796                                                 }
 797                                                 free(e_sector);
 798                                                 return 2;
 799                                         } else {
 800                                                 calibrate = false;
 801                                         }
 802
 803                                         iterations++;
 804
 805                                         key64 = bytes_to_num(keyBlock, 6);
 806                                         if (key64) {
 807                                                 PrintAndLog("Found valid key:%012" PRIx64, key64);
 808                                                 e_sector[sectorNo].foundKey[trgKeyType] = 1;
 809                                                 e_sector[sectorNo].Key[trgKeyType] = key64;
 810
 811                                                 // try to check this key as a key to the other sectors
 812                                                 mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, 1, keyBlock, e_sector);
 813                                         }
 814                                 }
 815                         }
 816                 }
 817
 818                 // print nested statistic
 819                 PrintAndLog("\n\n-----------------------------------------------\nNested statistic:\nIterations count: %d", iterations);
 820                 PrintAndLog("Time in nested: %1.3f (%1.3f sec per key)", ((float)(msclock() - msclock1))/1000.0, ((float)(msclock() - msclock1))/iterations/1000.0);
 821
 822                 // print result
 823                 PrintAndLog("|---|----------------|---|----------------|---|");
 824                 PrintAndLog("|sec|key A           |res|key B           |res|");
 825                 PrintAndLog("|---|----------------|---|----------------|---|");
 826                 for (i = 0; i < SectorsCnt; i++) {
 827                         PrintAndLog("|%03d|  %012" PRIx64 "  | %d |  %012" PRIx64 "  | %d |", i,
 828                                 e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
 829                 }
 830                 PrintAndLog("|---|----------------|---|----------------|---|");
 831
 832                 // transfer keys to the emulator memory
 833                 if (transferToEml) {
 834                         for (i = 0; i < SectorsCnt; i++) {
 835                                 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
 836                                 if (e_sector[i].foundKey[0])
 837                                         num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
 838                                 if (e_sector[i].foundKey[1])
 839                                         num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
 840                                 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
 841                         }
 842                         PrintAndLog("Keys transferred to emulator memory.");
 843                 }
 844
 845                 // Create dump file
 846                 if (createDumpFile) {
 847                         if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
 848                                 PrintAndLog("Could not create file dumpkeys.bin");
 849                                 free(e_sector);
 850                                 return 1;
 851                         }
 852                         PrintAndLog("Printing keys to binary file dumpkeys.bin...");
 853                         for(i=0; i<SectorsCnt; i++) {
 854                                 if (e_sector[i].foundKey[0]){
 855                                         num_to_bytes(e_sector[i].Key[0], 6, tempkey);
 856                                         fwrite ( tempkey, 1, 6, fkeys );
 857                                 }
 858                                 else{
 859                                         fwrite ( &standart, 1, 6, fkeys );
 860                                 }
 861                         }
 862                         for(i=0; i<SectorsCnt; i++) {
 863                                 if (e_sector[i].foundKey[1]){
 864                                         num_to_bytes(e_sector[i].Key[1], 6, tempkey);
 865                                         fwrite ( tempkey, 1, 6, fkeys );
 866                                 }
 867                                 else{
 868                                         fwrite ( &standart, 1, 6, fkeys );
 869                                 }
 870                         }
 871                         fclose(fkeys);
 872                 }
 873
 874                 free(e_sector);
 875         }
 876         return 0;
 877 }
 878
 879
 880 int CmdHF14AMfNestedHard(const char *Cmd)
 881 {
 882         uint8_t blockNo = 0;
 883         uint8_t keyType = 0;
 884         uint8_t trgBlockNo = 0;
 885         uint8_t trgKeyType = 0;
 886         uint8_t key[6] = {0, 0, 0, 0, 0, 0};
 887         uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};
 888
 889         char ctmp;
 890         ctmp = param_getchar(Cmd, 0);
 891
 892         if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) {
 893                 PrintAndLog("Usage:");
 894                 PrintAndLog("      hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");
 895                 PrintAndLog("                       <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");
 896                 PrintAndLog("  or  hf mf hardnested r [known target key]");
 897                 PrintAndLog(" ");
 898                 PrintAndLog("Options: ");
 899                 PrintAndLog("      w: Acquire nonces and write them to binary file nonces.bin");
 900                 PrintAndLog("      s: Slower acquisition (required by some non standard cards)");
 901                 PrintAndLog("      r: Read nonces.bin and start attack");
 902                 PrintAndLog("      iX: set type of SIMD instructions. Without this flag programs autodetect it.");
 903                 PrintAndLog("        i5: AVX512");
 904                 PrintAndLog("        i2: AVX2");
 905                 PrintAndLog("        ia: AVX");
 906                 PrintAndLog("        is: SSE2");
 907                 PrintAndLog("        im: MMX");
 908                 PrintAndLog("        in: none (use CPU regular instruction set)");
 909                 PrintAndLog(" ");
 910                 PrintAndLog("      sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
 911                 PrintAndLog("      sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
 912                 PrintAndLog("      sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");
 913                 PrintAndLog("      sample4: hf mf hardnested r");
 914                 PrintAndLog(" ");
 915                 PrintAndLog("Add the known target key to check if it is present in the remaining key space:");
 916                 PrintAndLog("      sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");
 917                 return 0;
 918         }
 919
 920         bool know_target_key = false;
 921         bool nonce_file_read = false;
 922         bool nonce_file_write = false;
 923         bool slow = false;
 924         int tests = 0;
 925
 926
 927         uint16_t iindx = 0;
 928         if (ctmp == 'R' || ctmp == 'r') {
 929                 nonce_file_read = true;
 930                 iindx = 1;
 931                 if (!param_gethex(Cmd, 1, trgkey, 12)) {
 932                         know_target_key = true;
 933                         iindx = 2;
 934                 }
 935         } else if (ctmp == 'T' || ctmp == 't') {
 936                 tests = param_get32ex(Cmd, 1, 100, 10);
 937                 iindx = 2;
 938                 if (!param_gethex(Cmd, 2, trgkey, 12)) {
 939                         know_target_key = true;
 940                         iindx = 3;
 941                 }
 942         } else {
 943                 blockNo = param_get8(Cmd, 0);
 944                 ctmp = param_getchar(Cmd, 1);
 945                 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
 946                         PrintAndLog("Key type must be A or B");
 947                         return 1;
 948                 }
 949                 if (ctmp != 'A' && ctmp != 'a') {
 950                         keyType = 1;
 951                 }
 952
 953                 if (param_gethex(Cmd, 2, key, 12)) {
 954                         PrintAndLog("Key must include 12 HEX symbols");
 955                         return 1;
 956                 }
 957
 958                 trgBlockNo = param_get8(Cmd, 3);
 959                 ctmp = param_getchar(Cmd, 4);
 960                 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
 961                         PrintAndLog("Target key type must be A or B");
 962                         return 1;
 963                 }
 964                 if (ctmp != 'A' && ctmp != 'a') {
 965                         trgKeyType = 1;
 966                 }
 967
 968                 uint16_t i = 5;
 969
 970                 if (!param_gethex(Cmd, 5, trgkey, 12)) {
 971                         know_target_key = true;
 972                         i++;
 973                 }
 974                 iindx = i;
 975
 976                 while ((ctmp = param_getchar(Cmd, i))) {
 977                         if (ctmp == 's' || ctmp == 'S') {
 978                                 slow = true;
 979                         } else if (ctmp == 'w' || ctmp == 'W') {
 980                                 nonce_file_write = true;
 981                         } else if (param_getlength(Cmd, i) == 2 && ctmp == 'i') {
 982                                 iindx = i;
 983                         } else {
 984                                 PrintAndLog("Possible options are w , s and/or iX");
 985                                 return 1;
 986                         }
 987                         i++;
 988                 }
 989         }
 990
 991         SetSIMDInstr(SIMD_AUTO);
 992         if (iindx > 0) {
 993                 while ((ctmp = param_getchar(Cmd, iindx))) {
 994                         if (param_getlength(Cmd, iindx) == 2 && ctmp == 'i') {
 995                                 switch(param_getchar_indx(Cmd, 1, iindx)) {
 996                                         case '5':
 997                                                 SetSIMDInstr(SIMD_AVX512);
 998                                                 break;
 999                                         case '2':
1000                                                 SetSIMDInstr(SIMD_AVX2);
1001                                                 break;
1002                                         case 'a':
1003                                                 SetSIMDInstr(SIMD_AVX);
1004                                                 break;
1005                                         case 's':
1006                                                 SetSIMDInstr(SIMD_SSE2);
1007                                                 break;
1008                                         case 'm':
1009                                                 SetSIMDInstr(SIMD_MMX);
1010                                                 break;
1011                                         case 'n':
1012                                                 SetSIMDInstr(SIMD_NONE);
1013                                                 break;
1014                                         default:
1015                                                 PrintAndLog("Unknown SIMD type. %c", param_getchar_indx(Cmd, 1, iindx));
1016                                                 return 1;
1017                                 }
1018                         }
1019                         iindx++;
1020                 }
1021         }
1022
1023         PrintAndLog("--target block no:%3d, target key type:%c, known target key: 0x%02x%02x%02x%02x%02x%02x%s, file action: %s, Slow: %s, Tests: %d ",
1024                         trgBlockNo,
1025                         trgKeyType?'B':'A',
1026                         trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],
1027                         know_target_key?"":" (not set)",
1028                         nonce_file_write?"write":nonce_file_read?"read":"none",
1029                         slow?"Yes":"No",
1030                         tests);
1031
1032         int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);
1033
1034         if (isOK) {
1035                 switch (isOK) {
1036                         case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
1037                         case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;
1038                         default : break;
1039                 }
1040                 return 2;
1041         }
1042
1043         return 0;
1044 }
1045
1046
1047 int CmdHF14AMfChk(const char *Cmd)
1048 {
1049         if (strlen(Cmd)<3) {
1050                 PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d|s|ss] [<key (12 hex symbols)>] [<dic (*.dic)>]");
1051                 PrintAndLog("          * - all sectors");
1052                 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
1053                 PrintAndLog("d  - write keys to binary file\n");
1054                 PrintAndLog("t  - write keys to emulator memory");
1055                 PrintAndLog("s  - slow execute. timeout 1ms");
1056                 PrintAndLog("ss - very slow execute. timeout 5ms");
1057                 PrintAndLog("      sample: hf mf chk 0 A 1234567890ab keys.dic");
1058                 PrintAndLog("              hf mf chk *1 ? t");
1059                 PrintAndLog("              hf mf chk *1 ? d");
1060                 PrintAndLog("              hf mf chk *1 ? s");
1061                 PrintAndLog("              hf mf chk *1 ? dss");
1062                 return 0;
1063         }
1064
1065         FILE * f;
1066         char filename[FILE_PATH_SIZE]={0};
1067         char buf[13];
1068         uint8_t *keyBlock = NULL, *p;
1069         uint16_t stKeyBlock = 20;
1070
1071         int i, res;
1072         int     keycnt = 0;
1073         char ctmp       = 0x00;
1074         int clen = 0;
1075         uint8_t blockNo = 0;
1076         uint8_t SectorsCnt = 0;
1077         uint8_t keyType = 0;
1078         uint64_t key64 = 0;
1079         // timeout in units. (ms * 106)/10 or us*0.0106
1080         uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default
1081         bool param3InUse = false;
1082
1083         bool transferToEml = 0;
1084         bool createDumpFile = 0;
1085
1086         sector_t *e_sector = NULL;
1087
1088         keyBlock = calloc(stKeyBlock, 6);
1089         if (keyBlock == NULL) return 1;
1090
1091         int defaultKeysSize = MifareDefaultKeysSize;
1092         for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++){
1093                 num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
1094         }
1095
1096         if (param_getchar(Cmd, 0)=='*') {
1097                 SectorsCnt = ParamCardSizeSectors(param_getchar(Cmd + 1, 0));
1098         }
1099         else
1100                 blockNo = param_get8(Cmd, 0);
1101
1102         ctmp = param_getchar(Cmd, 1);
1103         clen = param_getlength(Cmd, 1);
1104         if (clen == 1) {
1105                 switch (ctmp) {
1106                 case 'a': case 'A':
1107                         keyType = 0;
1108                         break;
1109                 case 'b': case 'B':
1110                         keyType = 1;
1111                         break;
1112                 case '?':
1113                         keyType = 2;
1114                         break;
1115                 default:
1116                         PrintAndLog("Key type must be A , B or ?");
1117                         free(keyBlock);
1118                         return 1;
1119                 };
1120         }
1121
1122         parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);
1123
1124         param3InUse = transferToEml | createDumpFile | (btimeout14a != MF_CHKKEYS_DEFTIMEOUT);
1125
1126         PrintAndLog("--chk keys. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us",
1127                         SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);
1128
1129         for (i = param3InUse; param_getchar(Cmd, 2 + i); i++) {
1130                 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
1131                         if ( stKeyBlock - keycnt < 2) {
1132                                 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1133                                 if (!p) {
1134                                         PrintAndLog("Cannot allocate memory for Keys");
1135                                         free(keyBlock);
1136                                         return 2;
1137                                 }
1138                                 keyBlock = p;
1139                         }
1140                         PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1141                         (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1142                         (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],     (keyBlock + 6*keycnt)[5], 6);
1143                         keycnt++;
1144                 } else {
1145                         // May be a dic file
1146                         if ( param_getstr(Cmd, 2 + i, filename, sizeof(filename)) >= FILE_PATH_SIZE ) {
1147                                 PrintAndLog("File name too long");
1148                                 free(keyBlock);
1149                                 return 2;
1150                         }
1151
1152                         if ( (f = fopen( filename , "r")) ) {
1153                                 while( fgets(buf, sizeof(buf), f) ){
1154                                         if (strlen(buf) < 12 || buf[11] == '\n')
1155                                                 continue;
1156
1157                                         while (fgetc(f) != '\n' && !feof(f)) ;  //goto next line
1158
1159                                         if( buf[0]=='#' ) continue;     //The line start with # is comment, skip
1160
1161                                         if (!isxdigit((unsigned char)buf[0])){
1162                                                 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
1163                                                 continue;
1164                                         }
1165
1166                                         buf[12] = 0;
1167
1168                                         if ( stKeyBlock - keycnt < 2) {
1169                                                 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1170                                                 if (!p) {
1171                                                         PrintAndLog("Cannot allocate memory for defKeys");
1172                                                         free(keyBlock);
1173                                                         fclose(f);
1174                                                         return 2;
1175                                                 }
1176                                                 keyBlock = p;
1177                                         }
1178                                         memset(keyBlock + 6 * keycnt, 0, 6);
1179                                         num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
1180                                         PrintAndLog("chk custom key[%2d] %012" PRIx64 , keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
1181                                         keycnt++;
1182                                         memset(buf, 0, sizeof(buf));
1183                                 }
1184                                 fclose(f);
1185                         } else {
1186                                 PrintAndLog("File: %s: not found or locked.", filename);
1187                                 free(keyBlock);
1188                                 return 1;
1189
1190                         }
1191                 }
1192         }
1193
1194         // fill with default keys
1195         if (keycnt == 0) {
1196                 PrintAndLog("No key specified, trying default keys");
1197                 for (;keycnt < defaultKeysSize; keycnt++)
1198                         PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1199                                 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1200                                 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],     (keyBlock + 6*keycnt)[5], 6);
1201         }
1202
1203         // initialize storage for found keys
1204         e_sector = calloc(SectorsCnt, sizeof(sector_t));
1205         if (e_sector == NULL) {
1206                 free(keyBlock);
1207                 return 1;
1208         }
1209         for (uint8_t keyAB = 0; keyAB < 2; keyAB++) {
1210                 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1211                         e_sector[sectorNo].Key[keyAB] = 0xffffffffffff;
1212                         e_sector[sectorNo].foundKey[keyAB] = 0;
1213                 }
1214         }
1215         printf("\n");
1216
1217         bool foundAKey = false;
1218         uint32_t max_keys = keycnt > USB_CMD_DATA_SIZE / 6 ? USB_CMD_DATA_SIZE / 6 : keycnt;
1219         if (SectorsCnt) {
1220                 PrintAndLog("To cancel this operation press the button on the proxmark...");
1221                 printf("--");
1222                 for (uint32_t c = 0; c < keycnt; c += max_keys) {
1223
1224                         uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;
1225                         res = mfCheckKeysSec(SectorsCnt, keyType, btimeout14a, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106
1226
1227                         if (res != 1) {
1228                                 if (!res) {
1229                                         printf("o");
1230                                         foundAKey = true;
1231                                 } else {
1232                                         printf(".");
1233                                 }
1234                         } else {
1235                                 printf("\n");
1236                                 PrintAndLog("Command execute timeout");
1237                         }
1238                 }
1239         } else {
1240                 int keyAB = keyType;
1241                 do {
1242                         for (uint32_t c = 0; c < keycnt; c+=max_keys) {
1243
1244                                 uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;
1245                                 res = mfCheckKeys(blockNo, keyAB & 0x01, true, size, &keyBlock[6 * c], &key64);
1246
1247                                 if (res != 1) {
1248                                         if (!res) {
1249                                                 PrintAndLog("Found valid key:[%d:%c]%012" PRIx64, blockNo, (keyAB & 0x01)?'B':'A', key64);
1250                                                 foundAKey = true;
1251                                         }
1252                                 } else {
1253                                         PrintAndLog("Command execute timeout");
1254                                 }
1255                         }
1256                 } while(--keyAB > 0);
1257         }
1258
1259         // print result
1260         if (foundAKey) {
1261                 if (SectorsCnt) {
1262                         PrintAndLog("");
1263                         PrintAndLog("|---|----------------|---|----------------|---|");
1264                         PrintAndLog("|sec|key A           |res|key B           |res|");
1265                         PrintAndLog("|---|----------------|---|----------------|---|");
1266                         for (i = 0; i < SectorsCnt; i++) {
1267                                 PrintAndLog("|%03d|  %012" PRIx64 "  | %d |  %012" PRIx64 "  | %d |", i,
1268                                         e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
1269                         }
1270                         PrintAndLog("|---|----------------|---|----------------|---|");
1271                 }
1272         } else {
1273                 PrintAndLog("");
1274                 PrintAndLog("No valid keys found.");
1275         }
1276
1277         if (transferToEml) {
1278                 uint8_t block[16];
1279                 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1280                         if (e_sector[sectorNo].foundKey[0] || e_sector[sectorNo].foundKey[1]) {
1281                                 mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1282                                 for (uint16_t t = 0; t < 2; t++) {
1283                                         if (e_sector[sectorNo].foundKey[t]) {
1284                                                 num_to_bytes(e_sector[sectorNo].Key[t], 6, block + t * 10);
1285                                         }
1286                                 }
1287                                 mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1288                         }
1289                 }
1290                 PrintAndLog("Found keys have been transferred to the emulator memory");
1291         }
1292
1293         if (createDumpFile) {
1294                 FILE *fkeys = fopen("dumpkeys.bin","wb");
1295                 if (fkeys == NULL) {
1296                         PrintAndLog("Could not create file dumpkeys.bin");
1297                         free(e_sector);
1298                         free(keyBlock);
1299                         return 1;
1300                 }
1301                 uint8_t mkey[6];
1302                 for (uint8_t t = 0; t < 2; t++) {
1303                         for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1304                                 num_to_bytes(e_sector[sectorNo].Key[t], 6, mkey);
1305                                 fwrite(mkey, 1, 6, fkeys);
1306                         }
1307                 }
1308                 fclose(fkeys);
1309                 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1310         }
1311
1312         free(e_sector);
1313         free(keyBlock);
1314         PrintAndLog("");
1315         return 0;
1316 }
1317
1318 void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack) {
1319         #define ATTACK_KEY_COUNT 7 // keep same as define in iso14443a.c -> Mifare1ksim()
1320                                    // cannot be more than 7 or it will overrun c.d.asBytes(512)
1321         uint64_t key = 0;
1322         typedef struct {
1323                         uint64_t keyA;
1324                         uint64_t keyB;
1325         } st_t;
1326         st_t sector_trailer[ATTACK_KEY_COUNT];
1327         memset(sector_trailer, 0x00, sizeof(sector_trailer));
1328
1329         uint8_t stSector[ATTACK_KEY_COUNT];
1330         memset(stSector, 0x00, sizeof(stSector));
1331         uint8_t key_cnt[ATTACK_KEY_COUNT];
1332         memset(key_cnt, 0x00, sizeof(key_cnt));
1333
1334         for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {
1335                 if (ar_resp[i].ar2 > 0) {
1336                         //PrintAndLog("DEBUG: Trying sector %d, cuid %08x, nt %08x, ar %08x, nr %08x, ar2 %08x, nr2 %08x",ar_resp[i].sector, ar_resp[i].cuid,ar_resp[i].nonce,ar_resp[i].ar,ar_resp[i].nr,ar_resp[i].ar2,ar_resp[i].nr2);
1337                         if (doStandardAttack && mfkey32(ar_resp[i], &key)) {
1338                                 PrintAndLog("  Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));
1339
1340                                 for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {
1341                                         if (key_cnt[ii]==0 || stSector[ii]==ar_resp[i].sector) {
1342                                                 if (ar_resp[i].keytype==0) {
1343                                                         //keyA
1344                                                         sector_trailer[ii].keyA = key;
1345                                                         stSector[ii] = ar_resp[i].sector;
1346                                                         key_cnt[ii]++;
1347                                                         break;
1348                                                 } else {
1349                                                         //keyB
1350                                                         sector_trailer[ii].keyB = key;
1351                                                         stSector[ii] = ar_resp[i].sector;
1352                                                         key_cnt[ii]++;
1353                                                         break;
1354                                                 }
1355                                         }
1356                                 }
1357                         } else if (mfkey32_moebius(ar_resp[i+ATTACK_KEY_COUNT], &key)) {
1358                                 uint8_t sectorNum = ar_resp[i+ATTACK_KEY_COUNT].sector;
1359                                 uint8_t keyType = ar_resp[i+ATTACK_KEY_COUNT].keytype;
1360
1361                                 PrintAndLog("M-Found Key%s for sector %02d: [%012" PRIx64 "]"
1362                                         , keyType ? "B" : "A"
1363                                         , sectorNum
1364                                         , key
1365                                 );
1366
1367                                 for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {
1368                                         if (key_cnt[ii]==0 || stSector[ii]==sectorNum) {
1369                                                 if (keyType==0) {
1370                                                         //keyA
1371                                                         sector_trailer[ii].keyA = key;
1372                                                         stSector[ii] = sectorNum;
1373                                                         key_cnt[ii]++;
1374                                                         break;
1375                                                 } else {
1376                                                         //keyB
1377                                                         sector_trailer[ii].keyB = key;
1378                                                         stSector[ii] = sectorNum;
1379                                                         key_cnt[ii]++;
1380                                                         break;
1381                                                 }
1382                                         }
1383                                 }
1384                                 continue;
1385                         }
1386                 }
1387         }
1388         //set emulator memory for keys
1389         if (setEmulatorMem) {
1390                 for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {
1391                         if (key_cnt[i]>0) {
1392                                 uint8_t memBlock[16];
1393                                 memset(memBlock, 0x00, sizeof(memBlock));
1394                                 char cmd1[36];
1395                                 memset(cmd1,0x00,sizeof(cmd1));
1396                                 snprintf(cmd1,sizeof(cmd1),"%04x%08xFF078069%04x%08x",(uint32_t) (sector_trailer[i].keyA>>32), (uint32_t) (sector_trailer[i].keyA &0xFFFFFFFF),(uint32_t) (sector_trailer[i].keyB>>32), (uint32_t) (sector_trailer[i].keyB &0xFFFFFFFF));
1397                                 PrintAndLog("Setting Emulator Memory Block %02d: [%s]",stSector[i]*4+3, cmd1);
1398                                 if (param_gethex(cmd1, 0, memBlock, 32)) {
1399                                         PrintAndLog("block data must include 32 HEX symbols");
1400                                         return;
1401                                 }
1402
1403                                 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {(stSector[i]*4+3), 1, 0}};
1404                                 memcpy(c.d.asBytes, memBlock, 16);
1405                                 clearCommandBuffer();
1406                                 SendCommand(&c);
1407                         }
1408                 }
1409         }
1410         /*
1411         //un-comment to use as well moebius attack
1412         for (uint8_t i = ATTACK_KEY_COUNT; i<ATTACK_KEY_COUNT*2; i++) {
1413                 if (ar_resp[i].ar2 > 0) {
1414                         if (tryMfk32_moebius(ar_resp[i], &key)) {
1415                                 PrintAndLog("M-Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));
1416                         }
1417                 }
1418         }*/
1419 }
1420
1421 int usage_hf14_mf1ksim(void) {
1422         PrintAndLog("Usage:  hf mf sim h u <uid (8, 14, or 20 hex symbols)> n <numreads> i x");
1423         PrintAndLog("options:");
1424         PrintAndLog("      h    this help");
1425         PrintAndLog("      u    (Optional) UID 4,7 or 10 bytes. If not specified, the UID 4B from emulator memory will be used");
1426         PrintAndLog("      n    (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1427         PrintAndLog("      i    (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1428         PrintAndLog("      x    (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1429         PrintAndLog("      e    (Optional) set keys found from 'reader attack' to emulator memory (implies x and i)");
1430         PrintAndLog("      f    (Optional) get UIDs to use for 'reader attack' from file 'f <filename.txt>' (implies x and i)");
1431         PrintAndLog("      r    (Optional) Generate random nonces instead of sequential nonces. Standard reader attack won't work with this option, only moebius attack works.");
1432         PrintAndLog("samples:");
1433         PrintAndLog("           hf mf sim u 0a0a0a0a");
1434         PrintAndLog("           hf mf sim u 11223344556677");
1435         PrintAndLog("           hf mf sim u 112233445566778899AA");
1436         PrintAndLog("           hf mf sim f uids.txt");
1437         PrintAndLog("           hf mf sim u 0a0a0a0a e");
1438
1439         return 0;
1440 }
1441
1442 int CmdHF14AMf1kSim(const char *Cmd) {
1443         UsbCommand resp;
1444         uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
1445         uint8_t exitAfterNReads = 0;
1446         uint8_t flags = 0;
1447         int uidlen = 0;
1448         uint8_t pnr = 0;
1449         bool setEmulatorMem = false;
1450         bool attackFromFile = false;
1451         FILE *f;
1452         char filename[FILE_PATH_SIZE];
1453         memset(filename, 0x00, sizeof(filename));
1454         int len = 0;
1455         char buf[64];
1456
1457         uint8_t cmdp = 0;
1458         bool errors = false;
1459
1460         while(param_getchar(Cmd, cmdp) != 0x00) {
1461                 switch(param_getchar(Cmd, cmdp)) {
1462                 case 'e':
1463                 case 'E':
1464                         setEmulatorMem = true;
1465                         //implies x and i
1466                         flags |= FLAG_INTERACTIVE;
1467                         flags |= FLAG_NR_AR_ATTACK;
1468                         cmdp++;
1469                         break;
1470                 case 'f':
1471                 case 'F':
1472                         len = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
1473                         if (len < 1) {
1474                                 PrintAndLog("error no filename found");
1475                                 return 0;
1476                         }
1477                         attackFromFile = true;
1478                         //implies x and i
1479                         flags |= FLAG_INTERACTIVE;
1480                         flags |= FLAG_NR_AR_ATTACK;
1481                         cmdp += 2;
1482                         break;
1483                 case 'h':
1484                 case 'H':
1485                         return usage_hf14_mf1ksim();
1486                 case 'i':
1487                 case 'I':
1488                         flags |= FLAG_INTERACTIVE;
1489                         cmdp++;
1490                         break;
1491                 case 'n':
1492                 case 'N':
1493                         exitAfterNReads = param_get8(Cmd, pnr+1);
1494                         cmdp += 2;
1495                         break;
1496                 case 'r':
1497                 case 'R':
1498                         flags |= FLAG_RANDOM_NONCE;
1499                         cmdp++;
1500                         break;
1501                 case 'u':
1502                 case 'U':
1503                         param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);
1504                         switch(uidlen) {
1505                                 case 20: flags = FLAG_10B_UID_IN_DATA;  break; //not complete
1506                                 case 14: flags = FLAG_7B_UID_IN_DATA; break;
1507                                 case  8: flags = FLAG_4B_UID_IN_DATA; break;
1508                                 default: return usage_hf14_mf1ksim();
1509                         }
1510                         cmdp += 2;
1511                         break;
1512                 case 'x':
1513                 case 'X':
1514                         flags |= FLAG_NR_AR_ATTACK;
1515                         cmdp++;
1516                         break;
1517                 default:
1518                         PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1519                         errors = true;
1520                         break;
1521                 }
1522                 if(errors) break;
1523         }
1524         //Validations
1525         if(errors) return usage_hf14_mf1ksim();
1526
1527         //get uid from file
1528         if (attackFromFile) {
1529                 int count = 0;
1530                 // open file
1531                 f = fopen(filename, "r");
1532                 if (f == NULL) {
1533                         PrintAndLog("File %s not found or locked", filename);
1534                         return 1;
1535                 }
1536                 PrintAndLog("Loading file and simulating. Press keyboard to abort");
1537                 while(!feof(f) && !ukbhit()){
1538                         memset(buf, 0, sizeof(buf));
1539                         memset(uid, 0, sizeof(uid));
1540
1541                         if (fgets(buf, sizeof(buf), f) == NULL) {
1542                                 if (count > 0) break;
1543
1544                                 PrintAndLog("File reading error.");
1545                                 fclose(f);
1546                                 return 2;
1547                         }
1548                         if(!strlen(buf) && feof(f)) break;
1549
1550                         uidlen = strlen(buf)-1;
1551                         switch(uidlen) {
1552                                 case 20: flags |= FLAG_10B_UID_IN_DATA; break; //not complete
1553                                 case 14: flags |= FLAG_7B_UID_IN_DATA; break;
1554                                 case  8: flags |= FLAG_4B_UID_IN_DATA; break;
1555                                 default:
1556                                         PrintAndLog("uid in file wrong length at %d (length: %d) [%s]",count, uidlen, buf);
1557                                         fclose(f);
1558                                         return 2;
1559                         }
1560
1561                         for (uint8_t i = 0; i < uidlen; i += 2) {
1562                                 sscanf(&buf[i], "%02x", (unsigned int *)&uid[i / 2]);
1563                         }
1564
1565                         PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) - press button to abort",
1566                                         flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1567                                                 flags & FLAG_7B_UID_IN_DATA     ? sprint_hex(uid,7):
1568                                                         flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"
1569                                         , exitAfterNReads, flags, flags);
1570
1571                         UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1572                         memcpy(c.d.asBytes, uid, sizeof(uid));
1573                         clearCommandBuffer();
1574                         SendCommand(&c);
1575
1576                         while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1577                                 //We're waiting only 1.5 s at a time, otherwise we get the
1578                                 // annoying message about "Waiting for a response... "
1579                         }
1580                         //got a response
1581                         nonces_t ar_resp[ATTACK_KEY_COUNT*2];
1582                         memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));
1583                         // We can skip the standard attack if we have RANDOM_NONCE set.
1584                         readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));
1585                         if ((bool)resp.arg[1]) {
1586                                 PrintAndLog("Device button pressed - quitting");
1587                                 fclose(f);
1588                                 return 4;
1589                         }
1590                         count++;
1591                 }
1592                 fclose(f);
1593         } else { //not from file
1594
1595                 PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) ",
1596                                 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1597                                         flags & FLAG_7B_UID_IN_DATA     ? sprint_hex(uid,7):
1598                                                 flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"
1599                                 , exitAfterNReads, flags, flags);
1600
1601                 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1602                 memcpy(c.d.asBytes, uid, sizeof(uid));
1603                 clearCommandBuffer();
1604                 SendCommand(&c);
1605
1606                 if(flags & FLAG_INTERACTIVE) {
1607                         PrintAndLog("Press pm3-button to abort simulation");
1608                         while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1609                                 //We're waiting only 1.5 s at a time, otherwise we get the
1610                                 // annoying message about "Waiting for a response... "
1611                         }
1612                         //got a response
1613                         if (flags & FLAG_NR_AR_ATTACK) {
1614                                 nonces_t ar_resp[ATTACK_KEY_COUNT*2];
1615                                 memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));
1616                                 // We can skip the standard attack if we have RANDOM_NONCE set.
1617                                 readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));
1618                         }
1619                 }
1620         }
1621
1622         return 0;
1623 }
1624
1625 int CmdHF14AMfDbg(const char *Cmd)
1626 {
1627         int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1628         if (dbgMode > 4) {
1629                 PrintAndLog("Max debug mode parameter is 4 \n");
1630         }
1631
1632         if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1633                 PrintAndLog("Usage:  hf mf dbg  <debug level>");
1634                 PrintAndLog(" 0 - no debug messages");
1635                 PrintAndLog(" 1 - error messages");
1636                 PrintAndLog(" 2 - plus information messages");
1637                 PrintAndLog(" 3 - plus debug messages");
1638                 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1639                 PrintAndLog("     Note: this option therefore may cause malfunction itself");
1640                 return 0;
1641         }
1642
1643   UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1644   SendCommand(&c);
1645
1646   return 0;
1647 }
1648
1649 int CmdHF14AMfEGet(const char *Cmd)
1650 {
1651         uint8_t blockNo = 0;
1652         uint8_t data[16] = {0x00};
1653
1654         if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1655                 PrintAndLog("Usage:  hf mf eget <block number>");
1656                 PrintAndLog(" sample: hf mf eget 0 ");
1657                 return 0;
1658         }
1659
1660         blockNo = param_get8(Cmd, 0);
1661
1662         PrintAndLog(" ");
1663         if (!mfEmlGetMem(data, blockNo, 1)) {
1664                 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1665         } else {
1666                 PrintAndLog("Command execute timeout");
1667         }
1668
1669   return 0;
1670 }
1671
1672 int CmdHF14AMfEClear(const char *Cmd)
1673 {
1674         if (param_getchar(Cmd, 0) == 'h') {
1675                 PrintAndLog("Usage:  hf mf eclr");
1676                 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1677                 return 0;
1678         }
1679
1680   UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1681   SendCommand(&c);
1682   return 0;
1683 }
1684
1685
1686 int CmdHF14AMfESet(const char *Cmd)
1687 {
1688         uint8_t memBlock[16];
1689         uint8_t blockNo = 0;
1690
1691         memset(memBlock, 0x00, sizeof(memBlock));
1692
1693         if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1694                 PrintAndLog("Usage:  hf mf eset <block number> <block data (32 hex symbols)>");
1695                 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1696                 return 0;
1697         }
1698
1699         blockNo = param_get8(Cmd, 0);
1700
1701         if (param_gethex(Cmd, 1, memBlock, 32)) {
1702                 PrintAndLog("block data must include 32 HEX symbols");
1703                 return 1;
1704         }
1705
1706         //  1 - blocks count
1707         return mfEmlSetMem(memBlock, blockNo, 1);
1708 }
1709
1710
1711 int CmdHF14AMfELoad(const char *Cmd)
1712 {
1713         FILE * f;
1714         char filename[FILE_PATH_SIZE];
1715         char *fnameptr = filename;
1716         char buf[64] = {0x00};
1717         uint8_t buf8[64] = {0x00};
1718         int i, len, blockNum, numBlocks;
1719         int nameParamNo = 1;
1720
1721         char ctmp = param_getchar(Cmd, 0);
1722
1723         if ( ctmp == 'h' || ctmp == 0x00) {
1724                 PrintAndLog("It loads emul dump from the file `filename.eml`");
1725                 PrintAndLog("Usage:  hf mf eload [card memory] <file name w/o `.eml`>");
1726                 PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1727                 PrintAndLog("");
1728                 PrintAndLog(" sample: hf mf eload filename");
1729                 PrintAndLog("         hf mf eload 4 filename");
1730                 return 0;
1731         }
1732
1733         switch (ctmp) {
1734                 case '0' : numBlocks = 5*4; break;
1735                 case '1' :
1736                 case '\0': numBlocks = 16*4; break;
1737                 case '2' : numBlocks = 32*4; break;
1738                 case '4' : numBlocks = 256; break;
1739                 default:  {
1740                         numBlocks = 16*4;
1741                         nameParamNo = 0;
1742                 }
1743         }
1744
1745         len = param_getstr(Cmd,nameParamNo,filename,sizeof(filename));
1746
1747         if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1748
1749         fnameptr += len;
1750
1751         sprintf(fnameptr, ".eml");
1752
1753         // open file
1754         f = fopen(filename, "r");
1755         if (f == NULL) {
1756                 PrintAndLog("File %s not found or locked", filename);
1757                 return 1;
1758         }
1759
1760         blockNum = 0;
1761         while(!feof(f)){
1762                 memset(buf, 0, sizeof(buf));
1763
1764                 if (fgets(buf, sizeof(buf), f) == NULL) {
1765
1766                         if (blockNum >= numBlocks) break;
1767
1768                         PrintAndLog("File reading error.");
1769                         fclose(f);
1770                         return 2;
1771                 }
1772
1773                 if (strlen(buf) < 32){
1774                         if(strlen(buf) && feof(f))
1775                                 break;
1776                         PrintAndLog("File content error. Block data must include 32 HEX symbols");
1777                         fclose(f);
1778                         return 2;
1779                 }
1780
1781                 for (i = 0; i < 32; i += 2) {
1782                         sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1783                 }
1784
1785                 if (mfEmlSetMem(buf8, blockNum, 1)) {
1786                         PrintAndLog("Cant set emul block: %3d", blockNum);
1787                         fclose(f);
1788                         return 3;
1789                 }
1790                 printf(".");
1791                 blockNum++;
1792
1793                 if (blockNum >= numBlocks) break;
1794         }
1795         fclose(f);
1796         printf("\n");
1797
1798         if ((blockNum != numBlocks)) {
1799                 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1800                 return 4;
1801         }
1802         PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1803         return 0;
1804 }
1805
1806
1807 int CmdHF14AMfESave(const char *Cmd)
1808 {
1809         FILE * f;
1810         char filename[FILE_PATH_SIZE];
1811         char * fnameptr = filename;
1812         uint8_t buf[64];
1813         int i, j, len, numBlocks;
1814         int nameParamNo = 1;
1815
1816         memset(filename, 0, sizeof(filename));
1817         memset(buf, 0, sizeof(buf));
1818
1819         char ctmp = param_getchar(Cmd, 0);
1820
1821         if ( ctmp == 'h' || ctmp == 'H') {
1822                 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1823                 PrintAndLog(" Usage:  hf mf esave [card memory] [file name w/o `.eml`]");
1824                 PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1825                 PrintAndLog("");
1826                 PrintAndLog(" sample: hf mf esave ");
1827                 PrintAndLog("         hf mf esave 4");
1828                 PrintAndLog("         hf mf esave 4 filename");
1829                 return 0;
1830         }
1831
1832         switch (ctmp) {
1833                 case '0' : numBlocks = 5*4; break;
1834                 case '1' :
1835                 case '\0': numBlocks = 16*4; break;
1836                 case '2' : numBlocks = 32*4; break;
1837                 case '4' : numBlocks = 256; break;
1838                 default:  {
1839                         numBlocks = 16*4;
1840                         nameParamNo = 0;
1841                 }
1842         }
1843
1844         len = param_getstr(Cmd,nameParamNo,filename,sizeof(filename));
1845
1846         if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1847
1848         // user supplied filename?
1849         if (len < 1) {
1850                 // get filename (UID from memory)
1851                 if (mfEmlGetMem(buf, 0, 1)) {
1852                         PrintAndLog("Can\'t get UID from block: %d", 0);
1853                         len = sprintf(fnameptr, "dump");
1854                         fnameptr += len;
1855                 }
1856                 else {
1857                         for (j = 0; j < 7; j++, fnameptr += 2)
1858                                 sprintf(fnameptr, "%02X", buf[j]);
1859                 }
1860         } else {
1861                 fnameptr += len;
1862         }
1863
1864         // add file extension
1865         sprintf(fnameptr, ".eml");
1866
1867         // open file
1868         f = fopen(filename, "w+");
1869
1870         if ( !f ) {
1871                 PrintAndLog("Can't open file %s ", filename);
1872                 return 1;
1873         }
1874
1875         // put hex
1876         for (i = 0; i < numBlocks; i++) {
1877                 if (mfEmlGetMem(buf, i, 1)) {
1878                         PrintAndLog("Cant get block: %d", i);
1879                         break;
1880                 }
1881                 for (j = 0; j < 16; j++)
1882                         fprintf(f, "%02X", buf[j]);
1883                 fprintf(f,"\n");
1884         }
1885         fclose(f);
1886
1887         PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1888
1889   return 0;
1890 }
1891
1892
1893 int CmdHF14AMfECFill(const char *Cmd)
1894 {
1895         uint8_t keyType = 0;
1896         uint8_t numSectors = 16;
1897
1898         if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1899                 PrintAndLog("Usage:  hf mf ecfill <key A/B> [card memory]");
1900                 PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1901                 PrintAndLog("");
1902                 PrintAndLog("samples:  hf mf ecfill A");
1903                 PrintAndLog("          hf mf ecfill A 4");
1904                 PrintAndLog("Read card and transfer its data to emulator memory.");
1905                 PrintAndLog("Keys must be laid in the emulator memory. \n");
1906                 return 0;
1907         }
1908
1909         char ctmp = param_getchar(Cmd, 0);
1910         if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1911                 PrintAndLog("Key type must be A or B");
1912                 return 1;
1913         }
1914         if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1915
1916         ctmp = param_getchar(Cmd, 1);
1917         switch (ctmp) {
1918                 case '0' : numSectors = 5; break;
1919                 case '1' :
1920                 case '\0': numSectors = 16; break;
1921                 case '2' : numSectors = 32; break;
1922                 case '4' : numSectors = 40; break;
1923                 default:   numSectors = 16;
1924         }
1925
1926         printf("--params: numSectors: %d, keyType:%d\n", numSectors, keyType);
1927         UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1928         SendCommand(&c);
1929         return 0;
1930 }
1931
1932 int CmdHF14AMfEKeyPrn(const char *Cmd)
1933 {
1934         int i;
1935         uint8_t numSectors;
1936         uint8_t data[16];
1937         uint64_t keyA, keyB;
1938
1939         if (param_getchar(Cmd, 0) == 'h') {
1940                 PrintAndLog("It prints the keys loaded in the emulator memory");
1941                 PrintAndLog("Usage:  hf mf ekeyprn [card memory]");
1942                 PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1943                 PrintAndLog("");
1944                 PrintAndLog(" sample: hf mf ekeyprn 1");
1945                 return 0;
1946         }
1947
1948         char cmdp = param_getchar(Cmd, 0);
1949
1950         switch (cmdp) {
1951                 case '0' : numSectors = 5; break;
1952                 case '1' :
1953                 case '\0': numSectors = 16; break;
1954                 case '2' : numSectors = 32; break;
1955                 case '4' : numSectors = 40; break;
1956                 default:   numSectors = 16;
1957         }
1958
1959         PrintAndLog("|---|----------------|----------------|");
1960         PrintAndLog("|sec|key A           |key B           |");
1961         PrintAndLog("|---|----------------|----------------|");
1962         for (i = 0; i < numSectors; i++) {
1963                 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
1964                         PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1965                         break;
1966                 }
1967                 keyA = bytes_to_num(data, 6);
1968                 keyB = bytes_to_num(data + 10, 6);
1969                 PrintAndLog("|%03d|  %012" PRIx64 "  |  %012" PRIx64 "  |", i, keyA, keyB);
1970         }
1971         PrintAndLog("|---|----------------|----------------|");
1972
1973         return 0;
1974 }
1975
1976 int CmdHF14AMfCSetUID(const char *Cmd)
1977 {
1978         uint8_t uid[8] = {0x00};
1979         uint8_t oldUid[8] = {0x00};
1980         uint8_t atqa[2] = {0x00};
1981         uint8_t sak[1] = {0x00};
1982         uint8_t atqaPresent = 0;
1983         int res;
1984
1985         uint8_t needHelp = 0;
1986         char cmdp = 1;
1987
1988         if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) {
1989                 PrintAndLog("UID must include 8 HEX symbols");
1990                 return 1;
1991         }
1992
1993         if (param_getlength(Cmd, 1) > 1 && param_getlength(Cmd, 2) >  1) {
1994                 atqaPresent = 1;
1995                 cmdp = 3;
1996
1997                 if (param_gethex(Cmd, 1, atqa, 4)) {
1998                         PrintAndLog("ATQA must include 4 HEX symbols");
1999                         return 1;
2000                 }
2001
2002                 if (param_gethex(Cmd, 2, sak, 2)) {
2003                         PrintAndLog("SAK must include 2 HEX symbols");
2004                         return 1;
2005                 }
2006         }
2007
2008         while(param_getchar(Cmd, cmdp) != 0x00)
2009         {
2010                 switch(param_getchar(Cmd, cmdp))
2011                 {
2012                 case 'h':
2013                 case 'H':
2014                         needHelp = 1;
2015                         break;
2016                 default:
2017                         PrintAndLog("ERROR: Unknown parameter '%c'", param_getchar(Cmd, cmdp));
2018                         needHelp = 1;
2019                         break;
2020                 }
2021                 cmdp++;
2022         }
2023
2024         if (strlen(Cmd) < 1 || needHelp) {
2025                 PrintAndLog("");
2026                 PrintAndLog("Usage:  hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols]");
2027                 PrintAndLog("sample:  hf mf csetuid 01020304");
2028                 PrintAndLog("sample:  hf mf csetuid 01020304 0004 08");
2029                 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
2030                 return 0;
2031         }
2032
2033         PrintAndLog("uid:%s", sprint_hex(uid, 4));
2034         if (atqaPresent) {
2035                 PrintAndLog("--atqa:%s sak:%02x", sprint_hex(atqa, 2), sak[0]);
2036         }
2037
2038         res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid);
2039         if (res) {
2040                         PrintAndLog("Can't set UID. Error=%d", res);
2041                         return 1;
2042                 }
2043
2044         PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
2045         PrintAndLog("new UID:%s", sprint_hex(uid, 4));
2046         return 0;
2047 }
2048
2049 int CmdHF14AMfCWipe(const char *Cmd)
2050 {
2051         int res, gen = 0;
2052         int numBlocks = 16 * 4;
2053         bool wipeCard = false;
2054         bool fillCard = false;
2055
2056         if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2057                 PrintAndLog("Usage:  hf mf cwipe [card size] [w] [f]");
2058                 PrintAndLog("sample:  hf mf cwipe 1 w f");
2059                 PrintAndLog("[card size]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
2060                 PrintAndLog("w - Wipe magic Chinese card (only works with gen:1a cards)");
2061                 PrintAndLog("f - Fill the card with default data and keys (works with gen:1a and gen:1b cards only)");
2062                 return 0;
2063         }
2064
2065         gen = mfCIdentify();
2066         if ((gen != 1) && (gen != 2))
2067                 return 1;
2068
2069         numBlocks = ParamCardSizeBlocks(param_getchar(Cmd, 0));
2070
2071         char cmdp = 0;
2072         while(param_getchar(Cmd, cmdp) != 0x00){
2073                 switch(param_getchar(Cmd, cmdp)) {
2074                 case 'w':
2075                 case 'W':
2076                         wipeCard = 1;
2077                         break;
2078                 case 'f':
2079                 case 'F':
2080                         fillCard = 1;
2081                         break;
2082                 default:
2083                         break;
2084                 }
2085                 cmdp++;
2086         }
2087
2088         if (!wipeCard && !fillCard)
2089                 wipeCard = true;
2090
2091         PrintAndLog("--blocks count:%2d wipe:%c fill:%c", numBlocks, (wipeCard)?'y':'n', (fillCard)?'y':'n');
2092
2093         if (gen == 2) {
2094                 /* generation 1b magic card */
2095                 if (wipeCard) {
2096                         PrintAndLog("WARNING: can't wipe magic card 1b generation");
2097                 }
2098                 res = mfCWipe(numBlocks, true, false, fillCard);
2099         } else {
2100                 /* generation 1a magic card by default */
2101                 res = mfCWipe(numBlocks, false, wipeCard, fillCard);
2102         }
2103
2104         if (res) {
2105                 PrintAndLog("Can't wipe. error=%d", res);
2106                 return 1;
2107         }
2108         PrintAndLog("OK");
2109         return 0;
2110 }
2111
2112 int CmdHF14AMfCSetBlk(const char *Cmd)
2113 {
2114         uint8_t memBlock[16] = {0x00};
2115         uint8_t blockNo = 0;
2116         bool wipeCard = false;
2117         int res, gen = 0;
2118
2119         if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2120                 PrintAndLog("Usage:  hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
2121                 PrintAndLog("sample:  hf mf csetblk 1 01020304050607080910111213141516");
2122                 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
2123                 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
2124                 return 0;
2125         }
2126
2127         gen = mfCIdentify();
2128         if ((gen != 1) && (gen != 2))
2129                 return 1;
2130
2131         blockNo = param_get8(Cmd, 0);
2132
2133         if (param_gethex(Cmd, 1, memBlock, 32)) {
2134                 PrintAndLog("block data must include 32 HEX symbols");
2135                 return 1;
2136         }
2137
2138         char ctmp = param_getchar(Cmd, 2);
2139         wipeCard = (ctmp == 'w' || ctmp == 'W');
2140         PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(memBlock, 16));
2141
2142         if (gen == 2) {
2143                 /* generation 1b magic card */
2144                 res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);
2145         } else {
2146                 /* generation 1a magic card by default */
2147                 res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER);
2148         }
2149
2150         if (res) {
2151                 PrintAndLog("Can't write block. error=%d", res);
2152                 return 1;
2153         }
2154         return 0;
2155 }
2156
2157
2158 int CmdHF14AMfCLoad(const char *Cmd)
2159 {
2160         FILE * f;
2161         char filename[FILE_PATH_SIZE] = {0x00};
2162         char * fnameptr = filename;
2163         char buf[256] = {0x00};
2164         uint8_t buf8[256] = {0x00};
2165         uint8_t fillFromEmulator = 0;
2166         int i, len, blockNum, flags = 0, gen = 0, numblock = 64;
2167
2168         if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) {
2169                 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
2170                 PrintAndLog("or from emulator memory (option `e`). 4K card: (option `4`)");
2171                 PrintAndLog("Usage:  hf mf cload [file name w/o `.eml`][e][4]");
2172                 PrintAndLog("   or:  hf mf cload e [4]");
2173                 PrintAndLog("Sample: hf mf cload filename");
2174                 PrintAndLog("        hf mf cload filname 4");
2175                 PrintAndLog("        hf mf cload e");
2176                 PrintAndLog("        hf mf cload e 4");
2177                 return 0;
2178         }
2179
2180         char ctmp = param_getchar(Cmd, 0);
2181         if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2182         ctmp = param_getchar(Cmd, 1);
2183         if (ctmp == '4') numblock = 256;
2184
2185         gen = mfCIdentify();
2186         PrintAndLog("Loading magic mifare %dK", numblock == 256 ? 4:1);
2187
2188         if (fillFromEmulator) {
2189                 for (blockNum = 0; blockNum < numblock; blockNum += 1) {
2190                         if (mfEmlGetMem(buf8, blockNum, 1)) {
2191                                 PrintAndLog("Cant get block: %d", blockNum);
2192                                 return 2;
2193                         }
2194                         if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;                               // switch on field and send magic sequence
2195                         if (blockNum == 1) flags = 0;                                                                                                   // just write
2196                         if (blockNum == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;           // Done. Magic Halt and switch off field.
2197
2198                         if (gen == 2)
2199                                 /* generation 1b magic card */
2200                                 flags |= CSETBLOCK_MAGIC_1B;
2201                         if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
2202                                 PrintAndLog("Cant set magic card block: %d", blockNum);
2203                                 return 3;
2204                         }
2205                 }
2206                 return 0;
2207         } else {
2208                 param_getstr(Cmd, 0, filename, sizeof(filename));
2209
2210                 len = strlen(filename);
2211                 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2212
2213                 //memcpy(filename, Cmd, len);
2214                 fnameptr += len;
2215
2216                 sprintf(fnameptr, ".eml");
2217
2218                 // open file
2219                 f = fopen(filename, "r");
2220                 if (f == NULL) {
2221                         PrintAndLog("File not found or locked.");
2222                         return 1;
2223                 }
2224
2225                 blockNum = 0;
2226                 while(!feof(f)){
2227
2228                         memset(buf, 0, sizeof(buf));
2229
2230                         if (fgets(buf, sizeof(buf), f) == NULL) {
2231                                 fclose(f);
2232                                 PrintAndLog("File reading error.");
2233                                 return 2;
2234                         }
2235
2236                         if (strlen(buf) < 32) {
2237                                 if(strlen(buf) && feof(f))
2238                                         break;
2239                                 PrintAndLog("File content error. Block data must include 32 HEX symbols");
2240                                 fclose(f);
2241                                 return 2;
2242                         }
2243                         for (i = 0; i < 32; i += 2)
2244                                 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
2245
2246                         if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;                               // switch on field and send magic sequence
2247                         if (blockNum == 1) flags = 0;                                                                                                   // just write
2248                         if (blockNum == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;           // Done. Switch off field.
2249
2250                         if (gen == 2)
2251                                 /* generation 1b magic card */
2252                                 flags |= CSETBLOCK_MAGIC_1B;
2253                         if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
2254                                 PrintAndLog("Can't set magic card block: %d", blockNum);
2255                                 fclose(f);
2256                                 return 3;
2257                         }
2258                         blockNum++;
2259
2260                         if (blockNum >= numblock) break;  // magic card type - mifare 1K 64 blocks, mifare 4k 256 blocks
2261                 }
2262                 fclose(f);
2263
2264                 //if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
2265                 if (blockNum != numblock){
2266                         PrintAndLog("File content error. There must be %d blocks", numblock);
2267                         return 4;
2268                 }
2269                 PrintAndLog("Loaded from file: %s", filename);
2270                 return 0;
2271         }
2272         return 0;
2273 }
2274
2275 int CmdHF14AMfCGetBlk(const char *Cmd) {
2276         uint8_t memBlock[16];
2277         uint8_t blockNo = 0;
2278         int res, gen = 0;
2279         memset(memBlock, 0x00, sizeof(memBlock));
2280
2281         if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2282                 PrintAndLog("Usage:  hf mf cgetblk <block number>");
2283                 PrintAndLog("sample:  hf mf cgetblk 1");
2284                 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
2285                 return 0;
2286         }
2287
2288         gen = mfCIdentify();
2289
2290         blockNo = param_get8(Cmd, 0);
2291
2292         PrintAndLog("--block number:%2d ", blockNo);
2293
2294         if (gen == 2) {
2295                 /* generation 1b magic card */
2296                 res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);
2297         } else {
2298                 /* generation 1a magic card by default */
2299                 res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER);
2300         }
2301         if (res) {
2302                         PrintAndLog("Can't read block. error=%d", res);
2303                         return 1;
2304                 }
2305
2306         PrintAndLog("block data:%s", sprint_hex(memBlock, 16));
2307
2308         if (mfIsSectorTrailer(blockNo)) {
2309                 PrintAndLogEx(NORMAL, "Trailer decoded:");
2310                 PrintAndLogEx(NORMAL, "Key A: %s", sprint_hex_inrow(memBlock, 6));
2311                 PrintAndLogEx(NORMAL, "Key B: %s", sprint_hex_inrow(&memBlock[10], 6));
2312                 int bln = mfFirstBlockOfSector(mfSectorNum(blockNo));
2313                 int blinc = (mfNumBlocksPerSector(mfSectorNum(blockNo)) > 4) ? 5 : 1;
2314                 for (int i = 0; i < 4; i++) {
2315                         PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &memBlock[6]));
2316                         bln += blinc;
2317                 }
2318                 PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&memBlock[9], 1));
2319         }
2320
2321         return 0;
2322 }
2323
2324 int CmdHF14AMfCGetSc(const char *Cmd) {
2325         uint8_t memBlock[16] = {0x00};
2326         uint8_t sectorNo = 0;
2327         int i, res, flags, gen = 0, baseblock = 0, sect_size = 4;
2328
2329         if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2330                 PrintAndLog("Usage:  hf mf cgetsc <sector number>");
2331                 PrintAndLog("sample:  hf mf cgetsc 0");
2332                 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
2333                 return 0;
2334         }
2335
2336         sectorNo = param_get8(Cmd, 0);
2337
2338         if (sectorNo > 39) {
2339                 PrintAndLog("Sector number must be in [0..15] in MIFARE classic 1k and [0..39] in MIFARE classic 4k.");
2340                 return 1;
2341         }
2342
2343         PrintAndLog("--sector number:%d ", sectorNo);
2344
2345         gen = mfCIdentify();
2346
2347         flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2348         if (sectorNo < 32 ) {
2349                 baseblock = sectorNo * 4;
2350         } else {
2351                 baseblock = 128 + 16 * (sectorNo - 32);
2352
2353         }
2354         if (sectorNo > 31) sect_size = 16;
2355
2356         for (i = 0; i < sect_size; i++) {
2357                 if (i == 1) flags = 0;
2358                 if (i == sect_size - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2359
2360                 if (gen == 2)
2361                         /* generation 1b magic card */
2362                         flags |= CSETBLOCK_MAGIC_1B;
2363
2364                 res = mfCGetBlock(baseblock + i, memBlock, flags);
2365                 if (res) {
2366                         PrintAndLog("Can't read block. %d error=%d", baseblock + i, res);
2367                         return 1;
2368                 }
2369
2370                 PrintAndLog("block %3d data:%s", baseblock + i, sprint_hex(memBlock, 16));
2371
2372                 if (mfIsSectorTrailer(baseblock + i)) {
2373                 PrintAndLogEx(NORMAL, "Trailer decoded:");
2374                 PrintAndLogEx(NORMAL, "Key A: %s", sprint_hex_inrow(memBlock, 6));
2375                 PrintAndLogEx(NORMAL, "Key B: %s", sprint_hex_inrow(&memBlock[10], 6));
2376                 int bln = baseblock;
2377                 int blinc = (mfNumBlocksPerSector(sectorNo) > 4) ? 5 : 1;
2378                 for (int i = 0; i < 4; i++) {
2379                         PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &memBlock[6]));
2380                         bln += blinc;
2381                 }
2382                 PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&memBlock[9], 1));
2383         }
2384         }
2385         return 0;
2386 }
2387
2388
2389 int CmdHF14AMfCSave(const char *Cmd) {
2390
2391         FILE * f;
2392         char filename[FILE_PATH_SIZE] = {0x00};
2393         char * fnameptr = filename;
2394         uint8_t fillFromEmulator = 0;
2395         uint8_t buf[256] = {0x00};
2396         int i, j, len, flags, gen = 0, numblock = 64;
2397
2398         // memset(filename, 0, sizeof(filename));
2399         // memset(buf, 0, sizeof(buf));
2400
2401         if (param_getchar(Cmd, 0) == 'h') {
2402                 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
2403                 PrintAndLog("or into emulator memory (option `e`). 4K card: (option `4`)");
2404                 PrintAndLog("Usage:  hf mf csave [file name w/o `.eml`][e][4]");
2405                 PrintAndLog("Sample: hf mf csave ");
2406                 PrintAndLog("        hf mf csave filename");
2407                 PrintAndLog("        hf mf csave e");
2408                 PrintAndLog("        hf mf csave 4");
2409                 PrintAndLog("        hf mf csave filename 4");
2410                 PrintAndLog("        hf mf csave e 4");
2411                 return 0;
2412         }
2413
2414         char ctmp = param_getchar(Cmd, 0);
2415         if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2416         if (ctmp == '4') numblock = 256;
2417         ctmp = param_getchar(Cmd, 1);
2418         if (ctmp == '4') numblock = 256;
2419
2420         gen = mfCIdentify();
2421         PrintAndLog("Saving magic mifare %dK", numblock == 256 ? 4:1);
2422
2423         if (fillFromEmulator) {
2424                 // put into emulator
2425                 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2426                 for (i = 0; i < numblock; i++) {
2427                         if (i == 1) flags = 0;
2428                         if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2429
2430                         if (gen == 2)
2431                                 /* generation 1b magic card */
2432                                 flags |= CSETBLOCK_MAGIC_1B;
2433
2434                         if (mfCGetBlock(i, buf, flags)) {
2435                                 PrintAndLog("Cant get block: %d", i);
2436                                 break;
2437                         }
2438
2439                         if (mfEmlSetMem(buf, i, 1)) {
2440                                 PrintAndLog("Cant set emul block: %d", i);
2441                                 return 3;
2442                         }
2443                 }
2444                 return 0;
2445         } else {
2446                 param_getstr(Cmd, 0, filename, sizeof(filename));
2447
2448                 len = strlen(filename);
2449                 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2450
2451                 ctmp = param_getchar(Cmd, 0);
2452                 if (len < 1 || (ctmp == '4')) {
2453                         // get filename
2454
2455                         flags = CSETBLOCK_SINGLE_OPER;
2456                         if (gen == 2)
2457                                 /* generation 1b magic card */
2458                                 flags |= CSETBLOCK_MAGIC_1B;
2459                         if (mfCGetBlock(0, buf, flags)) {
2460                                 PrintAndLog("Cant get block: %d", 0);
2461                                 len = sprintf(fnameptr, "dump");
2462                                 fnameptr += len;
2463                         }
2464                         else {
2465                                 for (j = 0; j < 7; j++, fnameptr += 2)
2466                                         sprintf(fnameptr, "%02x", buf[j]);
2467                         }
2468                 } else {
2469                         //memcpy(filename, Cmd, len);
2470                         fnameptr += len;
2471                 }
2472
2473                 sprintf(fnameptr, ".eml");
2474
2475                 // open file
2476                 f = fopen(filename, "w+");
2477
2478                 if (f == NULL) {
2479                         PrintAndLog("File not found or locked.");
2480                         return 1;
2481                 }
2482
2483                 // put hex
2484                 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2485                 for (i = 0; i < numblock; i++) {
2486                         if (i == 1) flags = 0;
2487                         if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2488
2489                         if (gen == 2)
2490                                 /* generation 1b magic card */
2491                                 flags |= CSETBLOCK_MAGIC_1B;
2492                         if (mfCGetBlock(i, buf, flags)) {
2493                                 PrintAndLog("Cant get block: %d", i);
2494                                 break;
2495                         }
2496                         for (j = 0; j < 16; j++)
2497                                 fprintf(f, "%02x", buf[j]);
2498                         fprintf(f,"\n");
2499                 }
2500                 fclose(f);
2501
2502                 PrintAndLog("Saved to file: %s", filename);
2503
2504                 return 0;
2505         }
2506 }
2507
2508
2509 int CmdHF14AMfSniff(const char *Cmd){
2510
2511         bool wantLogToFile = 0;
2512         bool wantDecrypt = 0;
2513         //bool wantSaveToEml = 0; TODO
2514         bool wantSaveToEmlFile = 0;
2515
2516         //var
2517         int res = 0;
2518         int len = 0;
2519         int parlen = 0;
2520         int blockLen = 0;
2521         int pckNum = 0;
2522         int num = 0;
2523         uint8_t uid[7];
2524         uint8_t uid_len;
2525         uint8_t atqa[2] = {0x00};
2526         uint8_t sak;
2527         bool isTag;
2528         uint8_t *buf = NULL;
2529         uint16_t bufsize = 0;
2530         uint8_t *bufPtr = NULL;
2531         uint8_t parity[16];
2532
2533         char ctmp = param_getchar(Cmd, 0);
2534         if ( ctmp == 'h' || ctmp == 'H' ) {
2535                 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
2536                 PrintAndLog("You can specify:");
2537                 PrintAndLog("    l - save encrypted sequence to logfile `uid.log`");
2538                 PrintAndLog("    d - decrypt sequence and put it to log file `uid.log`");
2539                 PrintAndLog(" n/a   e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
2540                 PrintAndLog("    f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
2541                 PrintAndLog("Usage:  hf mf sniff [l][d][e][f]");
2542                 PrintAndLog("  sample: hf mf sniff l d e");
2543                 return 0;
2544         }
2545
2546         for (int i = 0; i < 4; i++) {
2547                 ctmp = param_getchar(Cmd, i);
2548                 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
2549                 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
2550                 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
2551                 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
2552         }
2553
2554         printf("-------------------------------------------------------------------------\n");
2555         printf("Executing command. \n");
2556         printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
2557         printf("Press the key on pc keyboard to abort the client.\n");
2558         printf("-------------------------------------------------------------------------\n");
2559
2560         UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
2561         clearCommandBuffer();
2562         SendCommand(&c);
2563
2564         // wait cycle
2565         while (true) {
2566                 printf(".");
2567                 fflush(stdout);
2568                 if (ukbhit()) {
2569                         getchar();
2570                         printf("\naborted via keyboard!\n");
2571                         break;
2572                 }
2573
2574                 UsbCommand resp;
2575                 if (WaitForResponseTimeoutW(CMD_ACK, &resp, 2000, false)) {
2576                         res = resp.arg[0] & 0xff;
2577                         uint16_t traceLen = resp.arg[1];
2578                         len = resp.arg[2];
2579
2580                         if (res == 0) {                                                         // we are done
2581                                 break;
2582                         }
2583
2584                         if (res == 1) {                                                         // there is (more) data to be transferred
2585                                 if (pckNum == 0) {                                              // first packet, (re)allocate necessary buffer
2586                                         if (traceLen > bufsize || buf == NULL) {
2587                                                 uint8_t *p;
2588                                                 if (buf == NULL) {                              // not yet allocated
2589                                                         p = malloc(traceLen);
2590                                                 } else {                                                // need more memory
2591                                                         p = realloc(buf, traceLen);
2592                                                 }
2593                                                 if (p == NULL) {
2594                                                         PrintAndLog("Cannot allocate memory for trace");
2595                                                         free(buf);
2596                                                         return 2;
2597                                                 }
2598                                                 buf = p;
2599                                         }
2600                                         bufPtr = buf;
2601                                         bufsize = traceLen;
2602                                         memset(buf, 0x00, traceLen);
2603                                 }
2604                                 memcpy(bufPtr, resp.d.asBytes, len);
2605                                 bufPtr += len;
2606                                 pckNum++;
2607                         }
2608
2609                         if (res == 2) {                                                         // received all data, start displaying
2610                                 blockLen = bufPtr - buf;
2611                                 bufPtr = buf;
2612                                 printf(">\n");
2613                                 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
2614                                 while (bufPtr - buf < blockLen) {
2615                                         bufPtr += 6;                                            // skip (void) timing information
2616                                         len = *((uint16_t *)bufPtr);
2617                                         if(len & 0x8000) {
2618                                                 isTag = true;
2619                                                 len &= 0x7fff;
2620                                         } else {
2621                                                 isTag = false;
2622                                         }
2623                                         parlen = (len - 1) / 8 + 1;
2624                                         bufPtr += 2;
2625                                         if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
2626                                                 memcpy(uid, bufPtr + 2, 7);
2627                                                 memcpy(atqa, bufPtr + 2 + 7, 2);
2628                                                 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
2629                                                 sak = bufPtr[11];
2630                                                 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
2631                                                         sprint_hex(uid + (7 - uid_len), uid_len),
2632                                                         atqa[1],
2633                                                         atqa[0],
2634                                                         sak);
2635                                                 if (wantLogToFile || wantDecrypt) {
2636                                                         FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
2637                                                         AddLogCurrentDT(logHexFileName);
2638                                                 }
2639                                                 if (wantDecrypt)
2640                                                         mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
2641                                         } else {
2642                                                 oddparitybuf(bufPtr, len, parity);
2643                                                 PrintAndLog("%s(%d):%s [%s] c[%s]%c",
2644                                                         isTag ? "TAG":"RDR",
2645                                                         num,
2646                                                         sprint_hex(bufPtr, len),
2647                                                         printBitsPar(bufPtr + len, len),
2648                                                         printBitsPar(parity, len),
2649                                                         memcmp(bufPtr + len, parity, len / 8 + 1) ? '!' : ' ');
2650                                                 if (wantLogToFile)
2651                                                         AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
2652                                                 if (wantDecrypt)
2653                                                         mfTraceDecode(bufPtr, len, bufPtr[len], wantSaveToEmlFile);
2654                                                 num++;
2655                                         }
2656                                         bufPtr += len;
2657                                         bufPtr += parlen;       // ignore parity
2658                                 }
2659                                 pckNum = 0;
2660                         }
2661                 } // resp not NULL
2662         } // while (true)
2663
2664         free(buf);
2665
2666         msleep(300); // wait for exiting arm side.
2667         PrintAndLog("Done.");
2668         return 0;
2669 }
2670
2671 //needs nt, ar, at, Data to decrypt
2672 int CmdDecryptTraceCmds(const char *Cmd){
2673         uint8_t data[50];
2674         int len = 0;
2675         param_gethex_ex(Cmd,3,data,&len);
2676         return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2);
2677 }
2678
2679 int CmdHF14AMfAuth4(const char *cmd) {
2680         uint8_t keyn[20] = {0};
2681         int keynlen = 0;
2682         uint8_t key[16] = {0};
2683         int keylen = 0;
2684
2685         CLIParserInit("hf mf auth4",
2686                 "Executes AES authentication command in ISO14443-4",
2687                 "Usage:\n\thf mf auth4 4000 000102030405060708090a0b0c0d0e0f -> executes authentication\n"
2688                         "\thf mf auth4 9003 FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF -> executes authentication\n");
2689
2690         void* argtable[] = {
2691                 arg_param_begin,
2692                 arg_str1(NULL,  NULL,     "<Key Num (HEX 2 bytes)>", NULL),
2693                 arg_str1(NULL,  NULL,     "<Key Value (HEX 16 bytes)>", NULL),
2694                 arg_param_end
2695         };
2696         CLIExecWithReturn(cmd, argtable, true);
2697
2698         CLIGetHexWithReturn(1, keyn, &keynlen);
2699         CLIGetHexWithReturn(2, key, &keylen);
2700         CLIParserFree();
2701
2702         if (keynlen != 2) {
2703                 PrintAndLog("ERROR: <Key Num> must be 2 bytes long instead of: %d", keynlen);
2704                 return 1;
2705         }
2706
2707         if (keylen != 16) {
2708                 PrintAndLog("ERROR: <Key Value> must be 16 bytes long instead of: %d", keylen);
2709                 return 1;
2710         }
2711
2712         return MifareAuth4(NULL, keyn, key, true, false, true);
2713 }
2714
2715 static command_t CommandTable[] =
2716 {
2717   {"help",             CmdHelp,                 1, "This help"},
2718   {"dbg",              CmdHF14AMfDbg,           0, "Set default debug mode"},
2719   {"rdbl",             CmdHF14AMfRdBl,          0, "Read MIFARE classic block"},
2720   {"rdsc",             CmdHF14AMfRdSc,          0, "Read MIFARE classic sector"},
2721   {"dump",             CmdHF14AMfDump,          0, "Dump MIFARE classic tag to binary file"},
2722   {"restore",          CmdHF14AMfRestore,       0, "Restore MIFARE classic binary file to BLANK tag"},
2723   {"wrbl",             CmdHF14AMfWrBl,          0, "Write MIFARE classic block"},
2724   {"auth4",            CmdHF14AMfAuth4,         0, "ISO14443-4 AES authentication"},
2725   {"chk",              CmdHF14AMfChk,           0, "Test block keys"},
2726   {"mifare",           CmdHF14AMifare,          0, "Read parity error messages."},
2727   {"hardnested",       CmdHF14AMfNestedHard,    0, "Nested attack for hardened Mifare cards"},
2728   {"nested",           CmdHF14AMfNested,        0, "Test nested authentication"},
2729   {"sniff",            CmdHF14AMfSniff,         0, "Sniff card-reader communication"},
2730   {"sim",              CmdHF14AMf1kSim,         0, "Simulate MIFARE card"},
2731   {"eclr",             CmdHF14AMfEClear,        0, "Clear simulator memory block"},
2732   {"eget",             CmdHF14AMfEGet,          0, "Get simulator memory block"},
2733   {"eset",             CmdHF14AMfESet,          0, "Set simulator memory block"},
2734   {"eload",            CmdHF14AMfELoad,         0, "Load from file emul dump"},
2735   {"esave",            CmdHF14AMfESave,         0, "Save to file emul dump"},
2736   {"ecfill",           CmdHF14AMfECFill,        0, "Fill simulator memory with help of keys from simulator"},
2737   {"ekeyprn",          CmdHF14AMfEKeyPrn,       0, "Print keys from simulator memory"},
2738   {"cwipe",            CmdHF14AMfCWipe,         0, "Wipe magic Chinese card"},
2739   {"csetuid",          CmdHF14AMfCSetUID,       0, "Set UID for magic Chinese card"},
2740   {"csetblk",          CmdHF14AMfCSetBlk,       0, "Write block - Magic Chinese card"},
2741   {"cgetblk",          CmdHF14AMfCGetBlk,       0, "Read block - Magic Chinese card"},
2742   {"cgetsc",           CmdHF14AMfCGetSc,        0, "Read sector - Magic Chinese card"},
2743   {"cload",            CmdHF14AMfCLoad,         0, "Load dump into magic Chinese card"},
2744   {"csave",            CmdHF14AMfCSave,         0, "Save dump from magic Chinese card into file or emulator"},
2745   {"decrypt",          CmdDecryptTraceCmds,     1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2746   {NULL,               NULL,                    0, NULL}
2747 };
2748
2749 int CmdHFMF(const char *Cmd)
2750 {
2751         (void)WaitForResponseTimeout(CMD_ACK,NULL,100);
2752         CmdsParse(CommandTable, Cmd);
2753         return 0;
2754 }
2755
2756 int CmdHelp(const char *Cmd)
2757 {
2758   CmdsHelp(CommandTable);
2759   return 0;
2760 }