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 // Midnitesnake - Dec 2013
   6 // Andy Davies  - Apr 2014
   7 // Iceman - May 2014
   8 //
   9 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
  10 // at your option, any later version. See the LICENSE.txt file for the text of
  11 // the license.
  12 //-----------------------------------------------------------------------------
  13 // Routines to support ISO 14443 type A.
  14 //-----------------------------------------------------------------------------
  15
  16 #include "mifarecmd.h"
  17 #include "apps.h"
  18 #include "util.h"
  19 //#include "../client/loclass/des.h"
  20 #include "des.h"
  21 #include "crc.h"
  22
  23 //-----------------------------------------------------------------------------
  24 // Select, Authenticate, Read a MIFARE tag.
  25 // read block
  26 //-----------------------------------------------------------------------------
  27 void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
  28 {
  29   // params
  30         uint8_t blockNo = arg0;
  31         uint8_t keyType = arg1;
  32         uint64_t ui64Key = 0;
  33         ui64Key = bytes_to_num(datain, 6);
  34
  35         // variables
  36         byte_t isOK = 0;
  37         byte_t dataoutbuf[16];
  38         uint8_t uid[10];
  39         uint32_t cuid;
  40         struct Crypto1State mpcs = {0, 0};
  41         struct Crypto1State *pcs;
  42         pcs = &mpcs;
  43
  44         // clear trace
  45         clear_trace();
  46         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
  47
  48         LED_A_ON();
  49         LED_B_OFF();
  50         LED_C_OFF();
  51
  52         while (true) {
  53                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
  54                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
  55                         break;
  56                 };
  57
  58                 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
  59                         if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
  60                         break;
  61                 };
  62
  63                 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {
  64                         if (MF_DBGLEVEL >= 1)   Dbprintf("Read block error");
  65                         break;
  66                 };
  67
  68                 if(mifare_classic_halt(pcs, cuid)) {
  69                         if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
  70                         break;
  71                 };
  72
  73                 isOK = 1;
  74                 break;
  75         }
  76
  77         //  ----------------------------- crypto1 destroy
  78         crypto1_destroy(pcs);
  79
  80         if (MF_DBGLEVEL >= 2)   DbpString("READ BLOCK FINISHED");
  81
  82         LED_B_ON();
  83         cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
  84         LED_B_OFF();
  85
  86         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
  87         LEDsoff();
  88 }
  89
  90
  91 void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){
  92
  93         byte_t isOK = 0;
  94         byte_t dataoutbuf[16] = {0x00};
  95         uint8_t uid[10] = {0x00};
  96         uint32_t cuid;
  97
  98         LED_A_ON();
  99         LED_B_OFF();
 100         LED_C_OFF();
 101
 102         clear_trace();
 103         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 104
 105         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 106                 if (MF_DBGLEVEL >= MF_DBG_ERROR)
 107                         Dbprintf("Can't select card");
 108                 OnError(0);
 109                 return;
 110         };
 111
 112         if(mifare_ultra_auth1(cuid, dataoutbuf)){
 113                 if (MF_DBGLEVEL >= MF_DBG_ERROR)
 114                         Dbprintf("Authentication part1: Fail.");
 115                 OnError(1);
 116                 return;
 117         }
 118
 119         isOK = 1;
 120         if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
 121                 DbpString("AUTH 1 FINISHED");
 122
 123     cmd_send(CMD_ACK,isOK,cuid,0,dataoutbuf,11);
 124         LEDsoff();
 125 }
 126 void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){
 127
 128         uint32_t cuid = arg0;
 129         uint8_t key[16] = {0x00};
 130         byte_t isOK = 0;
 131         byte_t dataoutbuf[16] = {0x00};
 132
 133         memcpy(key, datain, 16);
 134
 135         LED_A_ON();
 136         LED_B_OFF();
 137         LED_C_OFF();
 138
 139         if(mifare_ultra_auth2(cuid, key, dataoutbuf)){
 140             if (MF_DBGLEVEL >= MF_DBG_ERROR)
 141                         Dbprintf("Authentication part2: Fail...");
 142                 OnError(1);
 143                 return;
 144         }
 145
 146         isOK = 1;
 147         if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
 148                 DbpString("AUTH 2 FINISHED");
 149
 150         cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,11);
 151         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 152         LEDsoff();
 153 }
 154
 155 void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 156 {
 157         uint8_t blockNo = arg0;
 158         byte_t dataout[16] = {0x00};
 159         uint8_t uid[10] = {0x00};
 160         uint8_t key[8] = {0x00};
 161         uint32_t cuid;
 162     bool usePwd = false;
 163
 164         usePwd = (arg1 == 1);
 165
 166         // use password
 167         if ( usePwd )
 168                 memcpy(key, datain, 8);
 169
 170         LED_A_ON();
 171         LED_B_OFF();
 172         LED_C_OFF();
 173
 174         clear_trace();
 175         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 176
 177         int len = iso14443a_select_card(uid, NULL, &cuid);
 178         if(!len) {
 179                 if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("Can't select card (RC:%d)",len);
 180                 OnError(1);
 181                 return;
 182                 };
 183
 184          // authenticate here.
 185         if ( usePwd ) {
 186
 187                 uint8_t a[8] = { 0x01 };
 188                 uint8_t b[8] = { 0x00 };
 189                 uint8_t enc_b[8] = { 0x00 };
 190                 uint8_t ab[16] = { 0x00 };
 191
 192                 uint8_t transKey[8] = { 0x00 };
 193
 194                 uint16_t len;
 195                 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
 196                 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
 197
 198                 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);
 199                 if (len == 1) {
 200                         if (MF_DBGLEVEL >= MF_DBG_ERROR)
 201                                 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
 202                                 OnError(1);
 203                                 return;
 204                 }
 205
 206 //              memcpy(dataout, receivedAnswer, 11);
 207
 208                 // tag nonce.
 209                 memcpy(enc_b,receivedAnswer+1,8);
 210
 211                 // decrypt nonce.
 212                 des_dec(enc_b, b, key );
 213
 214                 Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x", enc_b[0],enc_b[1],enc_b[2],enc_b[3],enc_b[4],enc_b[5],enc_b[6],enc_b[7] );
 215
 216                 rol(b,8);
 217
 218                 memcpy(ab  ,a,8);
 219                 memcpy(ab+8,b,8);
 220
 221                 Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[0],ab[1],ab[2],ab[3],ab[4],ab[5],ab[6],ab[7] );
 222                 Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[8],ab[9],ab[10],ab[11],ab[12],ab[13],ab[14],ab[15] );
 223
 224                 // encrypt
 225                 des_enc(ab, ab, key);
 226
 227                 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[0],ab[1],ab[2],ab[3],ab[4],ab[5],ab[6],ab[7] );
 228                 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[8],ab[9],ab[10],ab[11],ab[12],ab[13],ab[14],ab[15] );
 229
 230                 len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, ab, receivedAnswer, receivedAnswerPar, NULL);
 231                 if (len == 1) {
 232                         if (MF_DBGLEVEL >= MF_DBG_ERROR)
 233                                 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
 234                         OnError(1);
 235                         return;
 236                 }
 237
 238                 //
 239                 memcpy(transKey, receivedAnswer+1, 8);
 240                 Dbprintf("TRANSACTIONKEY: %02x %02x %02x %02x %02x %02x %02x %02x", transKey[0],transKey[1],transKey[2],transKey[3],
 241                 transKey[4],transKey[5],transKey[6],transKey[7] );
 242         }
 243
 244         len = mifare_ultra_readblock(cuid, blockNo, dataout);
 245         if(len) {
 246                 if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("Read block error");
 247                 OnError(2);
 248                 return;
 249                 };
 250
 251         len = mifare_ultra_halt(cuid);
 252         if(len) {
 253                 if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("Halt error");
 254                 OnError(3);
 255                 return;
 256                 };
 257
 258     cmd_send(CMD_ACK,1,0,0,dataout,16);
 259         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 260         LEDsoff();
 261 }
 262
 263 //-----------------------------------------------------------------------------
 264 // Select, Authenticate, Read a MIFARE tag.
 265 // read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)
 266 //-----------------------------------------------------------------------------
 267 void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 268 {
 269   // params
 270         uint8_t sectorNo = arg0;
 271         uint8_t keyType = arg1;
 272         uint64_t ui64Key = 0;
 273         ui64Key = bytes_to_num(datain, 6);
 274
 275         // variables
 276         byte_t isOK = 0;
 277         byte_t dataoutbuf[16 * 16];
 278         uint8_t uid[10];
 279         uint32_t cuid;
 280         struct Crypto1State mpcs = {0, 0};
 281         struct Crypto1State *pcs;
 282         pcs = &mpcs;
 283
 284         // clear trace
 285         clear_trace();
 286
 287         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 288
 289         LED_A_ON();
 290         LED_B_OFF();
 291         LED_C_OFF();
 292
 293         isOK = 1;
 294         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 295                 isOK = 0;
 296                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 297         }
 298
 299
 300         if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
 301                 isOK = 0;
 302                 if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
 303         }
 304
 305         for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
 306                 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {
 307                         isOK = 0;
 308                         if (MF_DBGLEVEL >= 1)   Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);
 309                         break;
 310                 }
 311         }
 312
 313         if(mifare_classic_halt(pcs, cuid)) {
 314                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 315         }
 316
 317         //  ----------------------------- crypto1 destroy
 318         crypto1_destroy(pcs);
 319
 320         if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");
 321
 322         LED_B_ON();
 323         cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));
 324         LED_B_OFF();
 325
 326         // Thats it...
 327         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 328         LEDsoff();
 329 }
 330
 331 void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)
 332 {
 333         // params
 334         uint8_t sectorNo = arg0;
 335         int Pages = arg1;
 336         int count_Pages = 0;
 337         byte_t dataout[176] = {0x00};;
 338         uint8_t uid[10] = {0x00};
 339         uint32_t cuid;
 340
 341         LED_A_ON();
 342         LED_B_OFF();
 343         LED_C_OFF();
 344
 345         if (MF_DBGLEVEL >= MF_DBG_ALL)
 346                 Dbprintf("Pages %d",Pages);
 347
 348         clear_trace();
 349         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 350
 351         int len = iso14443a_select_card(uid, NULL, &cuid);
 352
 353         if (!len) {
 354                 if (MF_DBGLEVEL >= MF_DBG_ERROR)
 355                         Dbprintf("Can't select card (RC:%d)",len);
 356                 OnError(1);
 357                 return;
 358         }
 359
 360         for (int i = 0; i < Pages; i++){
 361
 362                 len = mifare_ultra_readblock(cuid, sectorNo * 4 + i, dataout + 4 * i);
 363
 364                 if (len) {
 365                         if (MF_DBGLEVEL >= MF_DBG_ERROR)
 366                                 Dbprintf("Read block %d error",i);
 367                         OnError(2);
 368                         return;
 369                 } else {
 370                         count_Pages++;
 371                 }
 372         }
 373
 374         len = mifare_ultra_halt(cuid);
 375         if (len) {
 376                 if (MF_DBGLEVEL >= MF_DBG_ERROR)
 377                         Dbprintf("Halt error");
 378                 OnError(3);
 379                 return;
 380         }
 381
 382         if (MF_DBGLEVEL >= MF_DBG_ALL) {
 383                 Dbprintf("Pages read %d", count_Pages);
 384         }
 385
 386         len = 16*4; //64 bytes
 387
 388         // Read a UL-C
 389         if (Pages == 44 && count_Pages > 16)
 390                 len = 176;
 391
 392         cmd_send(CMD_ACK, 1, 0, 0, dataout, len);
 393         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 394         LEDsoff();
 395 }
 396
 397
 398 //-----------------------------------------------------------------------------
 399 // Select, Authenticate, Write a MIFARE tag.
 400 // read block
 401 //-----------------------------------------------------------------------------
 402 void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 403 {
 404         // params
 405         uint8_t blockNo = arg0;
 406         uint8_t keyType = arg1;
 407         uint64_t ui64Key = 0;
 408         byte_t blockdata[16];
 409
 410         ui64Key = bytes_to_num(datain, 6);
 411         memcpy(blockdata, datain + 10, 16);
 412
 413         // variables
 414         byte_t isOK = 0;
 415         uint8_t uid[10];
 416         uint32_t cuid;
 417         struct Crypto1State mpcs = {0, 0};
 418         struct Crypto1State *pcs;
 419         pcs = &mpcs;
 420
 421         // clear trace
 422         clear_trace();
 423
 424         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 425
 426         LED_A_ON();
 427         LED_B_OFF();
 428         LED_C_OFF();
 429
 430         while (true) {
 431                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 432                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 433                         break;
 434                 };
 435
 436                 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
 437                         if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
 438                         break;
 439                 };
 440
 441                 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
 442                         if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
 443                         break;
 444                 };
 445
 446                 if(mifare_classic_halt(pcs, cuid)) {
 447                         if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 448                         break;
 449                 };
 450
 451                 isOK = 1;
 452                 break;
 453         }
 454
 455         //  ----------------------------- crypto1 destroy
 456         crypto1_destroy(pcs);
 457
 458         if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
 459
 460         LED_B_ON();
 461         cmd_send(CMD_ACK,isOK,0,0,0,0);
 462         LED_B_OFF();
 463
 464
 465         // Thats it...
 466         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 467         LEDsoff();
 468 }
 469
 470 void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
 471 {
 472         // params
 473         uint8_t blockNo = arg0;
 474         byte_t blockdata[16] = {0x00};
 475
 476         memcpy(blockdata, datain,16);
 477
 478         // variables
 479         byte_t isOK = 0;
 480         uint8_t uid[10] = {0x00};
 481         uint32_t cuid;
 482
 483                 clear_trace();
 484                 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 485
 486         LED_A_ON();
 487         LED_B_OFF();
 488         LED_C_OFF();
 489
 490         while (true) {
 491                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
 492                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 493                         break;
 494                 };
 495
 496                 if(mifare_ultra_writeblock(cuid, blockNo, blockdata)) {
 497                         if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
 498                         break;
 499                 };
 500
 501                 if(mifare_ultra_halt(cuid)) {
 502                         if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 503                         break;
 504                 };
 505
 506                 isOK = 1;
 507                 break;
 508         }
 509
 510         if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
 511
 512                 cmd_send(CMD_ACK,isOK,0,0,0,0);
 513         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 514         LEDsoff();
 515 }
 516
 517 void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
 518 {
 519         // params
 520         uint8_t blockNo = arg0;
 521         byte_t blockdata[4] = {0x00};
 522
 523         memcpy(blockdata, datain,4);
 524
 525         // variables
 526         byte_t isOK = 0;
 527         uint8_t uid[10] = {0x00};
 528         uint32_t cuid;
 529
 530         clear_trace();
 531         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 532
 533         LED_A_ON();
 534         LED_B_OFF();
 535         LED_C_OFF();
 536
 537         while (true) {
 538                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
 539                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 540                         break;
 541                 };
 542
 543                 if(mifare_ultra_special_writeblock(cuid, blockNo, blockdata)) {
 544                         if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
 545                         break;
 546                 };
 547
 548                 if(mifare_ultra_halt(cuid)) {
 549                         if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 550                         break;
 551                 };
 552
 553                 isOK = 1;
 554                 break;
 555         }
 556
 557         if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
 558
 559         cmd_send(CMD_ACK,isOK,0,0,0,0);
 560         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 561         LEDsoff();
 562 }
 563
 564 // Return 1 if the nonce is invalid else return 0
 565 int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {
 566         return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
 567         (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
 568         (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
 569 }
 570
 571
 572 //-----------------------------------------------------------------------------
 573 // MIFARE nested authentication.
 574 //
 575 //-----------------------------------------------------------------------------
 576 void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)
 577 {
 578         // params
 579         uint8_t blockNo = arg0 & 0xff;
 580         uint8_t keyType = (arg0 >> 8) & 0xff;
 581         uint8_t targetBlockNo = arg1 & 0xff;
 582         uint8_t targetKeyType = (arg1 >> 8) & 0xff;
 583         uint64_t ui64Key = 0;
 584
 585         ui64Key = bytes_to_num(datain, 6);
 586
 587         // variables
 588         uint16_t rtr, i, j, len;
 589         uint16_t davg;
 590         static uint16_t dmin, dmax;
 591         uint8_t uid[10];
 592         uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;
 593         uint8_t par[1];
 594         uint32_t target_nt[2], target_ks[2];
 595
 596         uint8_t par_array[4];
 597         uint16_t ncount = 0;
 598         struct Crypto1State mpcs = {0, 0};
 599         struct Crypto1State *pcs;
 600         pcs = &mpcs;
 601         uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
 602
 603         uint32_t auth1_time, auth2_time;
 604         static uint16_t delta_time;
 605
 606         // free eventually allocated BigBuf memory
 607         BigBuf_free();
 608         // clear trace
 609         clear_trace();
 610         set_tracing(false);
 611
 612         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 613
 614         LED_A_ON();
 615         LED_C_OFF();
 616
 617
 618         // statistics on nonce distance
 619         if (calibrate) {        // for first call only. Otherwise reuse previous calibration
 620                 LED_B_ON();
 621                 WDT_HIT();
 622
 623                 davg = dmax = 0;
 624                 dmin = 2000;
 625                 delta_time = 0;
 626
 627                 for (rtr = 0; rtr < 17; rtr++) {
 628
 629                         // prepare next select. No need to power down the card.
 630                         if(mifare_classic_halt(pcs, cuid)) {
 631                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Halt error");
 632                                 rtr--;
 633                                 continue;
 634                         }
 635
 636                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 637                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Can't select card");
 638                                 rtr--;
 639                                 continue;
 640                         };
 641
 642                         auth1_time = 0;
 643                         if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
 644                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth1 error");
 645                                 rtr--;
 646                                 continue;
 647                         };
 648
 649                         if (delta_time) {
 650                                 auth2_time = auth1_time + delta_time;
 651                         } else {
 652                                 auth2_time = 0;
 653                         }
 654                         if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {
 655                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth2 error");
 656                                 rtr--;
 657                                 continue;
 658                         };
 659
 660                         nttmp = prng_successor(nt1, 100);                               //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
 661                         for (i = 101; i < 1200; i++) {
 662                                 nttmp = prng_successor(nttmp, 1);
 663                                 if (nttmp == nt2) break;
 664                         }
 665
 666                         if (i != 1200) {
 667                                 if (rtr != 0) {
 668                                         davg += i;
 669                                         dmin = MIN(dmin, i);
 670                                         dmax = MAX(dmax, i);
 671                                 }
 672                                 else {
 673                                         delta_time = auth2_time - auth1_time + 32;  // allow some slack for proper timing
 674                                 }
 675                                 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);
 676                         }
 677                 }
 678
 679                 if (rtr <= 1)   return;
 680
 681                 davg = (davg + (rtr - 1)/2) / (rtr - 1);
 682
 683                 if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);
 684
 685                 dmin = davg - 2;
 686                 dmax = davg + 2;
 687
 688                 LED_B_OFF();
 689
 690         }
 691 //  -------------------------------------------------------------------------------------------------
 692
 693         LED_C_ON();
 694
 695         //  get crypted nonces for target sector
 696         for(i=0; i < 2; i++) { // look for exactly two different nonces
 697
 698                 target_nt[i] = 0;
 699                 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce
 700
 701                         // prepare next select. No need to power down the card.
 702                         if(mifare_classic_halt(pcs, cuid)) {
 703                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Halt error");
 704                                 continue;
 705                         }
 706
 707                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 708                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Can't select card");
 709                                 continue;
 710                         };
 711
 712                         auth1_time = 0;
 713                         if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
 714                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth1 error");
 715                                 continue;
 716                         };
 717
 718                         // nested authentication
 719                         auth2_time = auth1_time + delta_time;
 720                         len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);
 721                         if (len != 4) {
 722                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth2 error len=%d", len);
 723                                 continue;
 724                         };
 725
 726                         nt2 = bytes_to_num(receivedAnswer, 4);
 727                         if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);
 728
 729                         // Parity validity check
 730                         for (j = 0; j < 4; j++) {
 731                                 par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));
 732                         }
 733
 734                         ncount = 0;
 735                         nttest = prng_successor(nt1, dmin - 1);
 736                         for (j = dmin; j < dmax + 1; j++) {
 737                                 nttest = prng_successor(nttest, 1);
 738                                 ks1 = nt2 ^ nttest;
 739
 740                                 if (valid_nonce(nttest, nt2, ks1, par_array)){
 741                                         if (ncount > 0) {               // we are only interested in disambiguous nonces, try again
 742                                                 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);
 743                                                 target_nt[i] = 0;
 744                                                 break;
 745                                         }
 746                                         target_nt[i] = nttest;
 747                                         target_ks[i] = ks1;
 748                                         ncount++;
 749                                         if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces
 750                                                 target_nt[i] = 0;
 751                                                 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);
 752                                                 break;
 753                                         }
 754                                         if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);
 755                                 }
 756                         }
 757                         if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);
 758                 }
 759         }
 760
 761         LED_C_OFF();
 762
 763         //  ----------------------------- crypto1 destroy
 764         crypto1_destroy(pcs);
 765
 766         byte_t buf[4 + 4 * 4];
 767         memcpy(buf, &cuid, 4);
 768         memcpy(buf+4, &target_nt[0], 4);
 769         memcpy(buf+8, &target_ks[0], 4);
 770         memcpy(buf+12, &target_nt[1], 4);
 771         memcpy(buf+16, &target_ks[1], 4);
 772
 773         LED_B_ON();
 774         cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));
 775         LED_B_OFF();
 776
 777         if (MF_DBGLEVEL >= 3)   DbpString("NESTED FINISHED");
 778
 779         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 780         LEDsoff();
 781         set_tracing(TRUE);
 782 }
 783
 784 //-----------------------------------------------------------------------------
 785 // MIFARE check keys. key count up to 85.
 786 //
 787 //-----------------------------------------------------------------------------
 788 void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 789 {
 790   // params
 791         uint8_t blockNo = arg0;
 792         uint8_t keyType = arg1;
 793         uint8_t keyCount = arg2;
 794         uint64_t ui64Key = 0;
 795
 796         // variables
 797         int i;
 798         byte_t isOK = 0;
 799         uint8_t uid[10];
 800         uint32_t cuid;
 801         struct Crypto1State mpcs = {0, 0};
 802         struct Crypto1State *pcs;
 803         pcs = &mpcs;
 804
 805         // clear debug level
 806         int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
 807         MF_DBGLEVEL = MF_DBG_NONE;
 808
 809         // clear trace
 810         clear_trace();
 811         set_tracing(TRUE);
 812
 813         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 814
 815         LED_A_ON();
 816         LED_B_OFF();
 817         LED_C_OFF();
 818
 819         for (i = 0; i < keyCount; i++) {
 820                 if(mifare_classic_halt(pcs, cuid)) {
 821                         if (MF_DBGLEVEL >= 1)   Dbprintf("ChkKeys: Halt error");
 822                 }
 823
 824                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
 825                         if (OLD_MF_DBGLEVEL >= 1)       Dbprintf("ChkKeys: Can't select card");
 826                         break;
 827                 };
 828
 829                 ui64Key = bytes_to_num(datain + i * 6, 6);
 830                 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
 831                         continue;
 832                 };
 833
 834                 isOK = 1;
 835                 break;
 836         }
 837
 838         //  ----------------------------- crypto1 destroy
 839         crypto1_destroy(pcs);
 840
 841         LED_B_ON();
 842     cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
 843         LED_B_OFF();
 844
 845         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 846         LEDsoff();
 847
 848         // restore debug level
 849         MF_DBGLEVEL = OLD_MF_DBGLEVEL;
 850 }
 851
 852 //-----------------------------------------------------------------------------
 853 // MIFARE commands set debug level
 854 //
 855 //-----------------------------------------------------------------------------
 856 void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 857         MF_DBGLEVEL = arg0;
 858         Dbprintf("Debug level: %d", MF_DBGLEVEL);
 859 }
 860
 861 //-----------------------------------------------------------------------------
 862 // Work with emulator memory
 863 //
 864 //-----------------------------------------------------------------------------
 865 void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 866         emlClearMem();
 867 }
 868
 869 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 870         emlSetMem(datain, arg0, arg1); // data, block num, blocks count
 871 }
 872
 873 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 874         byte_t buf[USB_CMD_DATA_SIZE];
 875         emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)
 876
 877         LED_B_ON();
 878         cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);
 879         LED_B_OFF();
 880 }
 881
 882 //-----------------------------------------------------------------------------
 883 // Load a card into the emulator memory
 884 //
 885 //-----------------------------------------------------------------------------
 886 void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 887         uint8_t numSectors = arg0;
 888         uint8_t keyType = arg1;
 889         uint64_t ui64Key = 0;
 890         uint32_t cuid;
 891         struct Crypto1State mpcs = {0, 0};
 892         struct Crypto1State *pcs;
 893         pcs = &mpcs;
 894
 895         // variables
 896         byte_t dataoutbuf[16];
 897         byte_t dataoutbuf2[16];
 898         uint8_t uid[10];
 899
 900         // clear trace
 901         clear_trace();
 902         set_tracing(false);
 903
 904         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 905
 906         LED_A_ON();
 907         LED_B_OFF();
 908         LED_C_OFF();
 909
 910         bool isOK = true;
 911
 912         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 913                 isOK = false;
 914                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 915         }
 916
 917         for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
 918                 ui64Key = emlGetKey(sectorNo, keyType);
 919                 if (sectorNo == 0){
 920                         if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
 921                                 isOK = false;
 922                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Sector[%2d]. Auth error", sectorNo);
 923                                 break;
 924                         }
 925                 } else {
 926                         if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {
 927                                 isOK = false;
 928                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Sector[%2d]. Auth nested error", sectorNo);
 929                                 break;
 930                         }
 931                 }
 932
 933                 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
 934                         if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {
 935                                 isOK = false;
 936                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);
 937                                 break;
 938                         };
 939                         if (isOK) {
 940                                 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {
 941                                         emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);
 942                                 } else {        // sector trailer, keep the keys, set only the AC
 943                                         emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
 944                                         memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
 945                                         emlSetMem(dataoutbuf2,  FirstBlockOfSector(sectorNo) + blockNo, 1);
 946                                 }
 947                         }
 948                 }
 949
 950         }
 951
 952         if(mifare_classic_halt(pcs, cuid)) {
 953                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 954         };
 955
 956         //  ----------------------------- crypto1 destroy
 957         crypto1_destroy(pcs);
 958
 959         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 960         LEDsoff();
 961
 962         if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");
 963
 964 }
 965
 966
 967 //-----------------------------------------------------------------------------
 968 // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
 969 //
 970 //-----------------------------------------------------------------------------
 971 void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 972
 973   // params
 974         uint8_t needWipe = arg0;
 975         // bit 0 - need get UID
 976         // bit 1 - need wupC
 977         // bit 2 - need HALT after sequence
 978         // bit 3 - need init FPGA and field before sequence
 979         // bit 4 - need reset FPGA and LED
 980         uint8_t workFlags = arg1;
 981         uint8_t blockNo = arg2;
 982
 983         // card commands
 984         uint8_t wupC1[]       = { 0x40 };
 985         uint8_t wupC2[]       = { 0x43 };
 986         uint8_t wipeC[]       = { 0x41 };
 987
 988         // variables
 989         byte_t isOK = 0;
 990         uint8_t uid[10] = {0x00};
 991         uint8_t d_block[18] = {0x00};
 992         uint32_t cuid;
 993
 994         uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
 995         uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
 996
 997         // reset FPGA and LED
 998         if (workFlags & 0x08) {
 999                 LED_A_ON();
1000                 LED_B_OFF();
1001                 LED_C_OFF();
1002
1003                 clear_trace();
1004                 set_tracing(TRUE);
1005                 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1006         }
1007
1008         while (true) {
1009
1010                 // get UID from chip
1011                 if (workFlags & 0x01) {
1012                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
1013                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
1014                                 //break;
1015                         };
1016
1017                         if(mifare_classic_halt(NULL, cuid)) {
1018                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
1019                                 //break;
1020                         };
1021                 };
1022
1023                 // reset chip
1024                 if (needWipe){
1025                         ReaderTransmitBitsPar(wupC1,7,0, NULL);
1026                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1027                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
1028                                 break;
1029                         };
1030
1031                         ReaderTransmit(wipeC, sizeof(wipeC), NULL);
1032                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1033                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wipeC error");
1034                                 break;
1035                         };
1036
1037                         if(mifare_classic_halt(NULL, cuid)) {
1038                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
1039                                 break;
1040                         };
1041                 };
1042
1043                 // write block
1044                 if (workFlags & 0x02) {
1045                         ReaderTransmitBitsPar(wupC1,7,0, NULL);
1046                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1047                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
1048                                 break;
1049                         };
1050
1051                         ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1052                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1053                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");
1054                                 break;
1055                         };
1056                 }
1057
1058                 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
1059                         if (MF_DBGLEVEL >= 1)   Dbprintf("write block send command error");
1060                         break;
1061                 };
1062
1063                 memcpy(d_block, datain, 16);
1064                 AppendCrc14443a(d_block, 16);
1065
1066                 ReaderTransmit(d_block, sizeof(d_block), NULL);
1067                 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
1068                         if (MF_DBGLEVEL >= 1)   Dbprintf("write block send data error");
1069                         break;
1070                 };
1071
1072                 if (workFlags & 0x04) {
1073                         if (mifare_classic_halt(NULL, cuid)) {
1074                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
1075                                 break;
1076                         };
1077                 }
1078
1079                 isOK = 1;
1080                 break;
1081         }
1082
1083         LED_B_ON();
1084         cmd_send(CMD_ACK,isOK,0,0,uid,4);
1085         LED_B_OFF();
1086
1087         if ((workFlags & 0x10) || (!isOK)) {
1088                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1089                 LEDsoff();
1090         }
1091 }
1092
1093
1094 void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
1095
1096   // params
1097         // bit 1 - need wupC
1098         // bit 2 - need HALT after sequence
1099         // bit 3 - need init FPGA and field before sequence
1100         // bit 4 - need reset FPGA and LED
1101         uint8_t workFlags = arg0;
1102         uint8_t blockNo = arg2;
1103
1104         // card commands
1105         uint8_t wupC1[]       = { 0x40 };
1106         uint8_t wupC2[]       = { 0x43 };
1107
1108         // variables
1109         byte_t isOK = 0;
1110         uint8_t data[18] = {0x00};
1111         uint32_t cuid = 0;
1112
1113         uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1114         uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1115
1116         if (workFlags & 0x08) {
1117                 LED_A_ON();
1118                 LED_B_OFF();
1119                 LED_C_OFF();
1120
1121                 clear_trace();
1122                 set_tracing(TRUE);
1123                 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1124         }
1125
1126         while (true) {
1127                 if (workFlags & 0x02) {
1128                         ReaderTransmitBitsPar(wupC1,7,0, NULL);
1129                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1130                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
1131                                 break;
1132                         };
1133
1134                         ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1135                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1136                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");
1137                                 break;
1138                         };
1139                 }
1140
1141                 // read block
1142                 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {
1143                         if (MF_DBGLEVEL >= 1)   Dbprintf("read block send command error");
1144                         break;
1145                 };
1146                 memcpy(data, receivedAnswer, 18);
1147
1148                 if (workFlags & 0x04) {
1149                         if (mifare_classic_halt(NULL, cuid)) {
1150                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
1151                                 break;
1152                         };
1153                 }
1154
1155                 isOK = 1;
1156                 break;
1157         }
1158
1159         LED_B_ON();
1160         cmd_send(CMD_ACK,isOK,0,0,data,18);
1161         LED_B_OFF();
1162
1163         if ((workFlags & 0x10) || (!isOK)) {
1164                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1165                 LEDsoff();
1166         }
1167 }
1168
1169 void MifareCIdent(){
1170
1171         // card commands
1172         uint8_t wupC1[]       = { 0x40 };
1173         uint8_t wupC2[]       = { 0x43 };
1174
1175         // variables
1176         byte_t isOK = 1;
1177
1178         uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1179         uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1180
1181         ReaderTransmitBitsPar(wupC1,7,0, NULL);
1182         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1183                 isOK = 0;
1184         };
1185
1186         ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1187         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1188                 isOK = 0;
1189         };
1190
1191         if (mifare_classic_halt(NULL, 0)) {
1192                 isOK = 0;
1193         };
1194
1195         cmd_send(CMD_ACK,isOK,0,0,0,0);
1196 }
1197
1198                         //
1199 // DESFIRE
1200 //
1201
1202 void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
1203
1204         byte_t dataout[11] = {0x00};
1205         uint8_t uid[10] = {0x00};
1206         uint32_t cuid;
1207
1208         clear_trace();
1209         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1210
1211         int len = iso14443a_select_card(uid, NULL, &cuid);
1212         if(!len) {
1213                 if (MF_DBGLEVEL >= MF_DBG_ERROR)
1214                         Dbprintf("Can't select card");
1215                 OnError(1);
1216                 return;
1217         };
1218
1219         if(mifare_desfire_des_auth1(cuid, dataout)){
1220                 if (MF_DBGLEVEL >= MF_DBG_ERROR)
1221                         Dbprintf("Authentication part1: Fail.");
1222                 OnError(4);
1223                 return;
1224         }
1225
1226         if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");
1227
1228     cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));
1229 }
1230
1231 void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
1232
1233         uint32_t cuid = arg0;
1234         uint8_t key[16] = {0x00};
1235         byte_t isOK = 0;
1236         byte_t dataout[12] = {0x00};
1237
1238         memcpy(key, datain, 16);
1239
1240         isOK = mifare_desfire_des_auth2(cuid, key, dataout);
1241
1242         if( isOK) {
1243             if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1244                         Dbprintf("Authentication part2: Failed");
1245                 OnError(4);
1246                 return;
1247         }
1248
1249         if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1250                 DbpString("AUTH 2 FINISHED");
1251
1252         cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));
1253         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1254         LEDsoff();
1255 }