git.zerfleddert.de Git - proxmark3-svn/blob - armsrc/mifarecmd.c

   1 //-----------------------------------------------------------------------------
   2 // Merlok - June 2011, 2012
   3 // Gerhard de Koning Gans - May 2008
   4 // Hagen Fritsch - June 2010
   5 //
   6 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   7 // at your option, any later version. See the LICENSE.txt file for the text of
   8 // the license.
   9 //-----------------------------------------------------------------------------
  10 // Routines to support ISO 14443 type A.
  11 //-----------------------------------------------------------------------------
  12
  13 #include "mifarecmd.h"
  14 #include "apps.h"
  15
  16 //-----------------------------------------------------------------------------
  17 // Select, Authenticaate, Read an MIFARE tag.
  18 // read block
  19 //-----------------------------------------------------------------------------
  20 void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
  21 {
  22   // params
  23         uint8_t blockNo = arg0;
  24         uint8_t keyType = arg1;
  25         uint64_t ui64Key = 0;
  26         ui64Key = bytes_to_num(datain, 6);
  27
  28         // variables
  29         byte_t isOK = 0;
  30         byte_t dataoutbuf[16];
  31         uint8_t uid[8];
  32         uint32_t cuid;
  33         struct Crypto1State mpcs = {0, 0};
  34         struct Crypto1State *pcs;
  35         pcs = &mpcs;
  36
  37         // clear trace
  38         iso14a_clear_trace();
  39 //      iso14a_set_tracing(false);
  40
  41         iso14443a_setup();
  42
  43         LED_A_ON();
  44         LED_B_OFF();
  45         LED_C_OFF();
  46
  47         while (true) {
  48                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
  49                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
  50                         break;
  51                 };
  52
  53                 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
  54                 if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
  55                         break;
  56                 };
  57
  58                 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {
  59                 if (MF_DBGLEVEL >= 1)   Dbprintf("Read block error");
  60                         break;
  61                 };
  62
  63                 if(mifare_classic_halt(pcs, cuid)) {
  64                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
  65                         break;
  66                 };
  67
  68                 isOK = 1;
  69                 break;
  70         }
  71
  72         //  ----------------------------- crypto1 destroy
  73         crypto1_destroy(pcs);
  74
  75         if (MF_DBGLEVEL >= 2)   DbpString("READ BLOCK FINISHED");
  76
  77         // add trace trailer
  78         memset(uid, 0x44, 4);
  79         LogTrace(uid, 4, 0, 0, TRUE);
  80
  81         UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
  82         memcpy(ack.d.asBytes, dataoutbuf, 16);
  83
  84         LED_B_ON();
  85         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
  86         LED_B_OFF();
  87
  88
  89   // Thats it...
  90         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
  91         LEDsoff();
  92 //  iso14a_set_tracing(TRUE);
  93
  94 }
  95
  96 //-----------------------------------------------------------------------------
  97 // Select, Authenticaate, Read an MIFARE tag.
  98 // read sector (data = 4 x 16 bytes = 64 bytes)
  99 //-----------------------------------------------------------------------------
 100 void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 101 {
 102   // params
 103         uint8_t sectorNo = arg0;
 104         uint8_t keyType = arg1;
 105         uint64_t ui64Key = 0;
 106         ui64Key = bytes_to_num(datain, 6);
 107
 108         // variables
 109         byte_t isOK = 0;
 110         byte_t dataoutbuf[16 * 4];
 111         uint8_t uid[8];
 112         uint32_t cuid;
 113         struct Crypto1State mpcs = {0, 0};
 114         struct Crypto1State *pcs;
 115         pcs = &mpcs;
 116
 117         // clear trace
 118         iso14a_clear_trace();
 119 //      iso14a_set_tracing(false);
 120
 121         iso14443a_setup();
 122
 123         LED_A_ON();
 124         LED_B_OFF();
 125         LED_C_OFF();
 126
 127         while (true) {
 128                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
 129                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 130                         break;
 131                 };
 132
 133                 if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_FIRST)) {
 134                 if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
 135                         break;
 136                 };
 137
 138                 if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 0, dataoutbuf + 16 * 0)) {
 139                 if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 0 error");
 140                         break;
 141                 };
 142                 if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 1, dataoutbuf + 16 * 1)) {
 143                 if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 1 error");
 144                         break;
 145                 };
 146                 if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 2, dataoutbuf + 16 * 2)) {
 147                 if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 2 error");
 148                         break;
 149                 };
 150                 if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 3, dataoutbuf + 16 * 3)) {
 151                 if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 3 error");
 152                         break;
 153                 };
 154
 155                 if(mifare_classic_halt(pcs, cuid)) {
 156                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 157                         break;
 158                 };
 159
 160                 isOK = 1;
 161                 break;
 162         }
 163
 164         //  ----------------------------- crypto1 destroy
 165         crypto1_destroy(pcs);
 166
 167         if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");
 168
 169         // add trace trailer
 170         memset(uid, 0x44, 4);
 171         LogTrace(uid, 4, 0, 0, TRUE);
 172
 173         UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
 174         memcpy(ack.d.asBytes, dataoutbuf, 16 * 2);
 175
 176         LED_B_ON();
 177         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
 178
 179         SpinDelay(100);
 180
 181         memcpy(ack.d.asBytes, dataoutbuf + 16 * 2, 16 * 2);
 182         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
 183         LED_B_OFF();
 184
 185         // Thats it...
 186         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 187         LEDsoff();
 188 //  iso14a_set_tracing(TRUE);
 189
 190 }
 191
 192 //-----------------------------------------------------------------------------
 193 // Select, Authenticaate, Read an MIFARE tag.
 194 // read block
 195 //-----------------------------------------------------------------------------
 196 void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 197 {
 198         // params
 199         uint8_t blockNo = arg0;
 200         uint8_t keyType = arg1;
 201         uint64_t ui64Key = 0;
 202         byte_t blockdata[16];
 203
 204         ui64Key = bytes_to_num(datain, 6);
 205         memcpy(blockdata, datain + 10, 16);
 206
 207         // variables
 208         byte_t isOK = 0;
 209         uint8_t uid[8];
 210         uint32_t cuid;
 211         struct Crypto1State mpcs = {0, 0};
 212         struct Crypto1State *pcs;
 213         pcs = &mpcs;
 214
 215         // clear trace
 216         iso14a_clear_trace();
 217 //  iso14a_set_tracing(false);
 218
 219         iso14443a_setup();
 220
 221         LED_A_ON();
 222         LED_B_OFF();
 223         LED_C_OFF();
 224
 225         while (true) {
 226                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 227                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 228                         break;
 229                 };
 230
 231                 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
 232                         if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
 233                         break;
 234                 };
 235
 236                 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
 237                         if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
 238                         break;
 239                 };
 240
 241                 if(mifare_classic_halt(pcs, cuid)) {
 242                         if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 243                         break;
 244                 };
 245
 246                 isOK = 1;
 247                 break;
 248         }
 249
 250         //  ----------------------------- crypto1 destroy
 251         crypto1_destroy(pcs);
 252
 253         if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
 254
 255         // add trace trailer
 256         memset(uid, 0x44, 4);
 257         LogTrace(uid, 4, 0, 0, TRUE);
 258
 259         UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
 260
 261         LED_B_ON();
 262         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
 263         LED_B_OFF();
 264
 265
 266         // Thats it...
 267         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 268         LEDsoff();
 269 //  iso14a_set_tracing(TRUE);
 270
 271 }
 272
 273 // Return 1 if the nonce is invalid else return 0
 274 int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, byte_t * parity) {
 275         return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
 276         (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
 277         (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
 278 }
 279
 280 //-----------------------------------------------------------------------------
 281 // MIFARE nested authentication.
 282 //
 283 //-----------------------------------------------------------------------------
 284 void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain)
 285 {
 286         // params
 287         uint8_t blockNo = arg0;
 288         uint8_t keyType = arg1;
 289         uint8_t targetBlockNo = arg2 & 0xff;
 290         uint8_t targetKeyType = (arg2 >> 8) & 0xff;
 291         uint64_t ui64Key = 0;
 292
 293         ui64Key = bytes_to_num(datain, 6);
 294
 295         // variables
 296         int rtr, i, j, m, len;
 297         int davg, dmin, dmax;
 298         uint8_t uid[8];
 299         uint32_t cuid, nt1, nt2, nttmp, nttest, par, ks1;
 300         uint8_t par_array[4];
 301         nestedVector nvector[NES_MAX_INFO + 1][11];
 302         int nvectorcount[NES_MAX_INFO + 1];
 303         int ncount = 0;
 304         UsbCommand ack = {CMD_ACK, {0, 0, 0}};
 305         struct Crypto1State mpcs = {0, 0};
 306         struct Crypto1State *pcs;
 307         pcs = &mpcs;
 308         uint8_t* receivedAnswer = mifare_get_bigbufptr();
 309
 310         //init
 311         for (i = 0; i < NES_MAX_INFO + 1; i++) nvectorcount[i] = 11;  //  11 - empty block;
 312
 313         // clear trace
 314         iso14a_clear_trace();
 315   iso14a_set_tracing(false);
 316
 317         iso14443a_setup();
 318
 319         LED_A_ON();
 320         LED_B_ON();
 321         LED_C_OFF();
 322
 323   FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 324   SpinDelay(200);
 325
 326         davg = dmax = 0;
 327         dmin = 2000;
 328
 329         // test nonce distance
 330         for (rtr = 0; rtr < 10; rtr++) {
 331     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 332     SpinDelay(100);
 333     FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
 334
 335     // Test if the action was cancelled
 336     if(BUTTON_PRESS()) {
 337       break;
 338     }
 339
 340                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
 341                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 342                         break;
 343                 };
 344
 345                 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1)) {
 346                         if (MF_DBGLEVEL >= 1)   Dbprintf("Auth1 error");
 347                         break;
 348                 };
 349
 350                 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2)) {
 351                         if (MF_DBGLEVEL >= 1)   Dbprintf("Auth2 error");
 352                         break;
 353                 };
 354
 355                 nttmp = prng_successor(nt1, 500);
 356                 for (i = 501; i < 2000; i++) {
 357                         nttmp = prng_successor(nttmp, 1);
 358                         if (nttmp == nt2) break;
 359                 }
 360
 361                 if (i != 2000) {
 362                         davg += i;
 363                         if (dmin > i) dmin = i;
 364                         if (dmax < i) dmax = i;
 365                         if (MF_DBGLEVEL >= 4)   Dbprintf("r=%d nt1=%08x nt2=%08x distance=%d", rtr, nt1, nt2, i);
 366                 }
 367         }
 368
 369         if (rtr == 0)   return;
 370
 371         davg = davg / rtr;
 372         if (MF_DBGLEVEL >= 3)   Dbprintf("distance: min=%d max=%d avg=%d", dmin, dmax, davg);
 373
 374         LED_B_OFF();
 375
 376 //  -------------------------------------------------------------------------------------------------
 377
 378         LED_C_ON();
 379
 380         //  get crypted nonces for target sector
 381         for (rtr = 0; rtr < NS_RETRIES_GETNONCE; rtr++) {
 382         if (MF_DBGLEVEL >= 4)                   Dbprintf("------------------------------");
 383
 384                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 385     SpinDelay(100);
 386     FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
 387
 388     // Test if the action was cancelled
 389     if(BUTTON_PRESS()) {
 390       break;
 391     }
 392
 393                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
 394                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 395                         break;
 396                 };
 397
 398                 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1)) {
 399                         if (MF_DBGLEVEL >= 1)   Dbprintf("Auth1 error");
 400                         break;
 401                 };
 402
 403                 // nested authentication
 404                 len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, &par);
 405                 if (len != 4) {
 406                         if (MF_DBGLEVEL >= 1)   Dbprintf("Auth2 error len=%d", len);
 407                         break;
 408                 };
 409
 410                 nt2 = bytes_to_num(receivedAnswer, 4);
 411                 if (MF_DBGLEVEL >= 4)   Dbprintf("r=%d nt1=%08x nt2enc=%08x nt2par=%08x", rtr, nt1, nt2, par);
 412
 413                 // Parity validity check
 414                 for (i = 0; i < 4; i++) {
 415                         par_array[i] = (oddparity(receivedAnswer[i]) != ((par & 0x08) >> 3));
 416                         par = par << 1;
 417                 }
 418
 419                 ncount = 0;
 420                 nttest = prng_successor(nt1, dmin - NS_TOLERANCE);
 421                 for (m = dmin - NS_TOLERANCE + 1; m < dmax + NS_TOLERANCE; m++) {
 422                         nttest = prng_successor(nttest, 1);
 423                         ks1 = nt2 ^ nttest;
 424
 425                         if (valid_nonce(nttest, nt2, ks1, par_array) && (ncount < 11)){
 426
 427                                 nvector[NES_MAX_INFO][ncount].nt = nttest;
 428                                 nvector[NES_MAX_INFO][ncount].ks1 = ks1;
 429                                 ncount++;
 430                                 nvectorcount[NES_MAX_INFO] = ncount;
 431                                 if (MF_DBGLEVEL >= 4)   Dbprintf("valid m=%d ks1=%08x nttest=%08x", m, ks1, nttest);
 432                         }
 433
 434                 }
 435
 436                 // select vector with length less than got
 437                 if (nvectorcount[NES_MAX_INFO] != 0) {
 438                         m = NES_MAX_INFO;
 439
 440                         for (i = 0; i < NES_MAX_INFO; i++)
 441                                 if (nvectorcount[i] > 10) {
 442                                         m = i;
 443                                         break;
 444                                 }
 445
 446                         if (m == NES_MAX_INFO)
 447                                 for (i = 0; i < NES_MAX_INFO; i++)
 448                                         if (nvectorcount[NES_MAX_INFO] < nvectorcount[i]) {
 449                                                 m = i;
 450                                                 break;
 451                                         }
 452
 453                         if (m != NES_MAX_INFO) {
 454                                 for (i = 0; i < nvectorcount[m]; i++) {
 455                                         nvector[m][i] = nvector[NES_MAX_INFO][i];
 456                                 }
 457                                 nvectorcount[m] = nvectorcount[NES_MAX_INFO];
 458                         }
 459                 }
 460         }
 461
 462         LED_C_OFF();
 463
 464         //  ----------------------------- crypto1 destroy
 465         crypto1_destroy(pcs);
 466
 467         // add trace trailer
 468         memset(uid, 0x44, 4);
 469         LogTrace(uid, 4, 0, 0, TRUE);
 470
 471         for (i = 0; i < NES_MAX_INFO; i++) {
 472                 if (nvectorcount[i] > 10) continue;
 473
 474                 for (j = 0; j < nvectorcount[i]; j += 5) {
 475                         ncount = nvectorcount[i] - j;
 476                         if (ncount > 5) ncount = 5;
 477
 478                         ack.arg[0] = 0; // isEOF = 0
 479                         ack.arg[1] = ncount;
 480                         ack.arg[2] = targetBlockNo + (targetKeyType * 0x100);
 481                         memset(ack.d.asBytes, 0x00, sizeof(ack.d.asBytes));
 482
 483                         memcpy(ack.d.asBytes, &cuid, 4);
 484                         for (m = 0; m < ncount; m++) {
 485                                 memcpy(ack.d.asBytes + 8 + m * 8 + 0, &nvector[i][m + j].nt, 4);
 486                                 memcpy(ack.d.asBytes + 8 + m * 8 + 4, &nvector[i][m + j].ks1, 4);
 487                         }
 488
 489                         LED_B_ON();
 490                         SpinDelay(100);
 491                         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
 492                         LED_B_OFF();
 493                 }
 494         }
 495
 496         // finalize list
 497         ack.arg[0] = 1; // isEOF = 1
 498         ack.arg[1] = 0;
 499         ack.arg[2] = 0;
 500         memset(ack.d.asBytes, 0x00, sizeof(ack.d.asBytes));
 501
 502         LED_B_ON();
 503         SpinDelay(300);
 504         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
 505         LED_B_OFF();
 506
 507         if (MF_DBGLEVEL >= 4)   DbpString("NESTED FINISHED");
 508
 509         // Thats it...
 510         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 511         LEDsoff();
 512
 513   iso14a_set_tracing(TRUE);
 514 }
 515
 516 //-----------------------------------------------------------------------------
 517 // MIFARE check keys. key count up to 8.
 518 //
 519 //-----------------------------------------------------------------------------
 520 void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 521 {
 522   // params
 523         uint8_t blockNo = arg0;
 524         uint8_t keyType = arg1;
 525         uint8_t keyCount = arg2;
 526         uint64_t ui64Key = 0;
 527
 528         // variables
 529         int i;
 530         byte_t isOK = 0;
 531         uint8_t uid[8];
 532         uint32_t cuid;
 533         struct Crypto1State mpcs = {0, 0};
 534         struct Crypto1State *pcs;
 535         pcs = &mpcs;
 536
 537         // clear debug level
 538         int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
 539         MF_DBGLEVEL = MF_DBG_NONE;
 540
 541         // clear trace
 542         iso14a_clear_trace();
 543   iso14a_set_tracing(TRUE);
 544
 545         iso14443a_setup();
 546
 547         LED_A_ON();
 548         LED_B_OFF();
 549         LED_C_OFF();
 550
 551         SpinDelay(300);
 552         for (i = 0; i < keyCount; i++) {
 553                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 554     SpinDelay(100);
 555     FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
 556
 557                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
 558                         if (OLD_MF_DBGLEVEL >= 1)       Dbprintf("Can't select card");
 559                         break;
 560                 };
 561
 562                 ui64Key = bytes_to_num(datain + i * 6, 6);
 563                 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
 564                         continue;
 565                 };
 566
 567                 isOK = 1;
 568                 break;
 569         }
 570
 571         //  ----------------------------- crypto1 destroy
 572         crypto1_destroy(pcs);
 573
 574         // add trace trailer
 575         memset(uid, 0x44, 4);
 576         LogTrace(uid, 4, 0, 0, TRUE);
 577
 578         UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
 579         if (isOK) memcpy(ack.d.asBytes, datain + i * 6, 6);
 580
 581         LED_B_ON();
 582         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
 583         LED_B_OFF();
 584
 585   // Thats it...
 586         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 587         LEDsoff();
 588
 589         // restore debug level
 590         MF_DBGLEVEL = OLD_MF_DBGLEVEL;
 591 }
 592
 593 //-----------------------------------------------------------------------------
 594 // MIFARE commands set debug level
 595 //
 596 //-----------------------------------------------------------------------------
 597 void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 598         MF_DBGLEVEL = arg0;
 599         Dbprintf("Debug level: %d", MF_DBGLEVEL);
 600 }
 601
 602 //-----------------------------------------------------------------------------
 603 // Work with emulator memory
 604 //
 605 //-----------------------------------------------------------------------------
 606 void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 607         emlClearMem();
 608 }
 609
 610 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 611         emlSetMem(datain, arg0, arg1); // data, block num, blocks count
 612 }
 613
 614 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 615         UsbCommand ack = {CMD_ACK, {arg0, arg1, 0}};
 616
 617         emlGetMem(ack.d.asBytes, arg0, arg1); // data, block num, blocks count
 618
 619         LED_B_ON();
 620         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
 621         LED_B_OFF();
 622 }
 623
 624 //-----------------------------------------------------------------------------
 625 // Load a card into the emulator memory
 626 //
 627 //-----------------------------------------------------------------------------
 628 void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 629         int i;
 630         uint8_t sectorNo = 0;
 631         uint8_t keyType = arg1;
 632         uint64_t ui64Key = 0;
 633         uint32_t cuid;
 634         struct Crypto1State mpcs = {0, 0};
 635         struct Crypto1State *pcs;
 636         pcs = &mpcs;
 637
 638         // variables
 639         byte_t dataoutbuf[16];
 640         byte_t dataoutbuf2[16];
 641         uint8_t uid[8];
 642
 643         // clear trace
 644         iso14a_clear_trace();
 645         iso14a_set_tracing(false);
 646
 647         iso14443a_setup();
 648
 649         LED_A_ON();
 650         LED_B_OFF();
 651         LED_C_OFF();
 652
 653         while (true) {
 654                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
 655                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 656                         break;
 657                 };
 658
 659                 for (i = 0; i < 16; i++) {
 660                         sectorNo = i;
 661                         ui64Key = emlGetKey(sectorNo, keyType);
 662
 663                         if (!i){
 664                                 if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_FIRST)) {
 665                                         if (MF_DBGLEVEL >= 1)   Dbprintf("Sector[%d]. Auth error", i);
 666                                         break;
 667                                 }
 668                         } else {
 669                                 if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_NESTED)) {
 670                                         if (MF_DBGLEVEL >= 1)   Dbprintf("Sector[%d]. Auth nested error", i);
 671                                         break;
 672                                 }
 673                         }
 674
 675                         if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 0, dataoutbuf)) {
 676                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 0 error");
 677                                 break;
 678                         };
 679                         emlSetMem(dataoutbuf, sectorNo * 4 + 0, 1);
 680
 681                         if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 1, dataoutbuf)) {
 682                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 1 error");
 683                                 break;
 684                         };
 685                         emlSetMem(dataoutbuf, sectorNo * 4 + 1, 1);
 686
 687                         if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 2, dataoutbuf)) {
 688                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 2 error");
 689                                 break;
 690                         };
 691                         emlSetMem(dataoutbuf, sectorNo * 4 + 2, 1);
 692
 693                         // get block 3 bytes 6-9
 694                         if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 3, dataoutbuf)) {
 695                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Read block 3 error");
 696                                 break;
 697                         };
 698                         emlGetMem(dataoutbuf2, sectorNo * 4 + 3, 1);
 699                         memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
 700                         emlSetMem(dataoutbuf2,  sectorNo * 4 + 3, 1);
 701                 }
 702
 703                 if(mifare_classic_halt(pcs, cuid)) {
 704                         if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 705                         break;
 706                 };
 707
 708                 break;
 709         }
 710
 711         //  ----------------------------- crypto1 destroy
 712         crypto1_destroy(pcs);
 713
 714         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 715         LEDsoff();
 716
 717         if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");
 718
 719         // add trace trailer
 720         memset(uid, 0x44, 4);
 721         LogTrace(uid, 4, 0, 0, TRUE);
 722 }
 723
 724 //-----------------------------------------------------------------------------
 725 // MIFARE 1k emulator
 726 //
 727 //-----------------------------------------------------------------------------
 728
 729
 730 //-----------------------------------------------------------------------------
 731 // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
 732 //
 733 //-----------------------------------------------------------------------------
 734 void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 735
 736   // params
 737         uint8_t needWipe = arg0;
 738         // bit 0 - need get UID
 739         // bit 1 - need wupC
 740         // bit 2 - need HALT after sequence
 741         // bit 3 - need init FPGA and field before sequence
 742         // bit 4 - need reset FPGA and LED
 743         uint8_t workFlags = arg1;
 744         uint8_t blockNo = arg2;
 745
 746         // card commands
 747         uint8_t wupC1[]       = { 0x40 };
 748         uint8_t wupC2[]       = { 0x43 };
 749         uint8_t wipeC[]       = { 0x41 };
 750
 751         // variables
 752         byte_t isOK = 0;
 753         uint8_t uid[8];
 754         uint8_t d_block[18];
 755         uint32_t cuid;
 756
 757         memset(uid, 0x00, 8);
 758         uint8_t* receivedAnswer = mifare_get_bigbufptr();
 759
 760         if (workFlags & 0x08) {
 761                 // clear trace
 762                 iso14a_clear_trace();
 763                 iso14a_set_tracing(TRUE);
 764
 765                 iso14443a_setup();
 766
 767                 LED_A_ON();
 768                 LED_B_OFF();
 769                 LED_C_OFF();
 770
 771                 SpinDelay(300);
 772                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 773                 SpinDelay(100);
 774                 FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
 775         }
 776
 777         while (true) {
 778                 // get UID from chip
 779                 if (workFlags & 0x01) {
 780                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 781                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 782                                 break;
 783                         };
 784
 785                         if(mifare_classic_halt(NULL, cuid)) {
 786                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 787                                 break;
 788                         };
 789                 };
 790
 791                 // reset chip
 792                 if (needWipe){
 793                         ReaderTransmitShort(wupC1);
 794                         if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
 795                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
 796                                 break;
 797                         };
 798
 799                         ReaderTransmit(wipeC, sizeof(wipeC));
 800                         if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
 801                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wipeC error");
 802                                 break;
 803                         };
 804
 805                         if(mifare_classic_halt(NULL, cuid)) {
 806                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 807                                 break;
 808                         };
 809                 };
 810
 811                 // write block
 812                 if (workFlags & 0x02) {
 813                         ReaderTransmitShort(wupC1);
 814                         if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
 815                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
 816                                 break;
 817                         };
 818
 819                         ReaderTransmit(wupC2, sizeof(wupC2));
 820                         if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
 821                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");
 822                                 break;
 823                         };
 824                 }
 825
 826                 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer) != 1) || (receivedAnswer[0] != 0x0a)) {
 827                         if (MF_DBGLEVEL >= 1)   Dbprintf("write block send command error");
 828                         break;
 829                 };
 830
 831                 memcpy(d_block, datain, 16);
 832                 AppendCrc14443a(d_block, 16);
 833
 834                 ReaderTransmit(d_block, sizeof(d_block));
 835                 if ((ReaderReceive(receivedAnswer) != 1) || (receivedAnswer[0] != 0x0a)) {
 836                         if (MF_DBGLEVEL >= 1)   Dbprintf("write block send data error");
 837                         break;
 838                 };
 839
 840                 if (workFlags & 0x04) {
 841                         if (mifare_classic_halt(NULL, cuid)) {
 842                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 843                                 break;
 844                         };
 845                 }
 846
 847                 isOK = 1;
 848                 break;
 849         }
 850
 851         UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
 852         if (isOK) memcpy(ack.d.asBytes, uid, 4);
 853
 854         // add trace trailer
 855         memset(uid, 0x44, 4);
 856         LogTrace(uid, 4, 0, 0, TRUE);
 857
 858         LED_B_ON();
 859         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
 860         LED_B_OFF();
 861
 862         if ((workFlags & 0x10) || (!isOK)) {
 863                 // Thats it...
 864                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 865                 LEDsoff();
 866         }
 867 }
 868
 869 void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 870
 871   // params
 872         // bit 1 - need wupC
 873         // bit 2 - need HALT after sequence
 874         // bit 3 - need init FPGA and field before sequence
 875         // bit 4 - need reset FPGA and LED
 876         uint8_t workFlags = arg0;
 877         uint8_t blockNo = arg2;
 878
 879         // card commands
 880         uint8_t wupC1[]       = { 0x40 };
 881         uint8_t wupC2[]       = { 0x43 };
 882
 883         // variables
 884         byte_t isOK = 0;
 885         uint8_t data[18];
 886         uint32_t cuid = 0;
 887
 888         memset(data, 0x00, 18);
 889         uint8_t* receivedAnswer = mifare_get_bigbufptr();
 890
 891         if (workFlags & 0x08) {
 892                 // clear trace
 893                 iso14a_clear_trace();
 894                 iso14a_set_tracing(TRUE);
 895
 896                 iso14443a_setup();
 897
 898                 LED_A_ON();
 899                 LED_B_OFF();
 900                 LED_C_OFF();
 901
 902                 SpinDelay(300);
 903                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 904                 SpinDelay(100);
 905                 FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
 906         }
 907
 908         while (true) {
 909                 if (workFlags & 0x02) {
 910                         ReaderTransmitShort(wupC1);
 911                         if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
 912                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
 913                                 break;
 914                         };
 915
 916                         ReaderTransmit(wupC2, sizeof(wupC2));
 917                         if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {
 918                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");
 919                                 break;
 920                         };
 921                 }
 922
 923                 // read block
 924                 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer) != 18)) {
 925                         if (MF_DBGLEVEL >= 1)   Dbprintf("read block send command error");
 926                         break;
 927                 };
 928                 memcpy(data, receivedAnswer, 18);
 929
 930                 if (workFlags & 0x04) {
 931                         if (mifare_classic_halt(NULL, cuid)) {
 932                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 933                                 break;
 934                         };
 935                 }
 936
 937                 isOK = 1;
 938                 break;
 939         }
 940
 941         UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};
 942         if (isOK) memcpy(ack.d.asBytes, data, 18);
 943
 944         // add trace trailer
 945         memset(data, 0x44, 4);
 946         LogTrace(data, 4, 0, 0, TRUE);
 947
 948         LED_B_ON();
 949         UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));
 950         LED_B_OFF();
 951
 952         if ((workFlags & 0x10) || (!isOK)) {
 953                 // Thats it...
 954                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 955                 LEDsoff();
 956         }
 957 }
 958