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
  20 #include "crc.h"
  21
  22 // the block number for the ISO14443-4 PCB
  23 uint8_t pcb_blocknum = 0;
  24 // Deselect card by sending a s-block. the crc is precalced for speed
  25 static  uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};
  26
  27
  28 //-----------------------------------------------------------------------------
  29 // Select, Authenticate, Read a MIFARE tag.
  30 // read block
  31 //-----------------------------------------------------------------------------
  32 void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
  33 {
  34   // params
  35         uint8_t blockNo = arg0;
  36         uint8_t keyType = arg1;
  37         uint64_t ui64Key = 0;
  38         ui64Key = bytes_to_num(datain, 6);
  39
  40         // variables
  41         byte_t isOK = 0;
  42         byte_t dataoutbuf[16];
  43         uint8_t uid[10];
  44         uint32_t cuid;
  45         struct Crypto1State mpcs = {0, 0};
  46         struct Crypto1State *pcs;
  47         pcs = &mpcs;
  48
  49         // clear trace
  50         clear_trace();
  51         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
  52
  53         LED_A_ON();
  54         LED_B_OFF();
  55         LED_C_OFF();
  56
  57         while (true) {
  58                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
  59                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
  60                         break;
  61                 };
  62
  63                 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
  64                         if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
  65                         break;
  66                 };
  67
  68                 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {
  69                         if (MF_DBGLEVEL >= 1)   Dbprintf("Read block error");
  70                         break;
  71                 };
  72
  73                 if(mifare_classic_halt(pcs, cuid)) {
  74                         if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
  75                         break;
  76                 };
  77
  78                 isOK = 1;
  79                 break;
  80         }
  81
  82         //  ----------------------------- crypto1 destroy
  83         crypto1_destroy(pcs);
  84
  85         if (MF_DBGLEVEL >= 2)   DbpString("READ BLOCK FINISHED");
  86
  87         LED_B_ON();
  88         cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
  89         LED_B_OFF();
  90
  91         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
  92         LEDsoff();
  93 }
  94
  95 void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){
  96
  97         bool turnOffField = (arg0 == 1);
  98
  99         LED_A_ON(); LED_B_OFF(); LED_C_OFF();
 100         clear_trace();
 101         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 102
 103         if(!iso14443a_select_card(NULL, NULL, NULL)) {
 104                 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");
 105                 OnError(0);
 106                 return;
 107         };
 108
 109         if(!mifare_ultra_auth(keybytes)){
 110                 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");
 111                 OnError(1);
 112                 return;
 113         }
 114
 115         if (turnOffField) {
 116                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 117                 LEDsoff();
 118         }
 119         cmd_send(CMD_ACK,1,0,0,0,0);
 120 }
 121
 122 // Arg0 = BlockNo,
 123 // Arg1 = UsePwd bool
 124 // datain = PWD bytes,
 125 void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 126 {
 127         uint8_t blockNo = arg0;
 128         byte_t dataout[16] = {0x00};
 129         bool useKey = (arg1 == 1); //UL_C
 130         bool usePwd = (arg1 == 2); //UL_EV1/NTAG
 131
 132         LEDsoff();
 133         LED_A_ON();
 134         clear_trace();
 135         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 136
 137         int len = iso14443a_select_card(NULL, NULL, NULL);
 138         if(!len) {
 139                 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);
 140                 OnError(1);
 141                 return;
 142         }
 143
 144         // UL-C authentication
 145         if ( useKey ) {
 146                 uint8_t key[16] = {0x00};
 147                 memcpy(key, datain, sizeof(key) );
 148
 149                 if ( !mifare_ultra_auth(key) ) {
 150                         OnError(1);
 151                         return;
 152                 }
 153         }
 154
 155         // UL-EV1 / NTAG authentication
 156         if ( usePwd ) {
 157                 uint8_t pwd[4] = {0x00};
 158                 memcpy(pwd, datain, 4);
 159                 uint8_t pack[4] = {0,0,0,0};
 160                 if (!mifare_ul_ev1_auth(pwd, pack)) {
 161                         OnError(1);
 162                         return;
 163                 }
 164         }
 165
 166         if( mifare_ultra_readblock(blockNo, dataout) ) {
 167                 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");
 168                 OnError(2);
 169                 return;
 170         }
 171
 172         if( mifare_ultra_halt() ) {
 173                 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
 174                 OnError(3);
 175                 return;
 176         }
 177
 178         cmd_send(CMD_ACK,1,0,0,dataout,16);
 179         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 180         LEDsoff();
 181 }
 182
 183 //-----------------------------------------------------------------------------
 184 // Select, Authenticate, Read a MIFARE tag.
 185 // read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)
 186 //-----------------------------------------------------------------------------
 187 void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 188 {
 189   // params
 190         uint8_t sectorNo = arg0;
 191         uint8_t keyType = arg1;
 192         uint64_t ui64Key = 0;
 193         ui64Key = bytes_to_num(datain, 6);
 194
 195         // variables
 196         byte_t isOK = 0;
 197         byte_t dataoutbuf[16 * 16];
 198         uint8_t uid[10];
 199         uint32_t cuid;
 200         struct Crypto1State mpcs = {0, 0};
 201         struct Crypto1State *pcs;
 202         pcs = &mpcs;
 203
 204         // clear trace
 205         clear_trace();
 206
 207         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 208
 209         LED_A_ON();
 210         LED_B_OFF();
 211         LED_C_OFF();
 212
 213         isOK = 1;
 214         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 215                 isOK = 0;
 216                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 217         }
 218
 219
 220         if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
 221                 isOK = 0;
 222                 if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
 223         }
 224
 225         for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
 226                 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {
 227                         isOK = 0;
 228                         if (MF_DBGLEVEL >= 1)   Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);
 229                         break;
 230                 }
 231         }
 232
 233         if(mifare_classic_halt(pcs, cuid)) {
 234                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 235         }
 236
 237         //  ----------------------------- crypto1 destroy
 238         crypto1_destroy(pcs);
 239
 240         if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");
 241
 242         LED_B_ON();
 243         cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));
 244         LED_B_OFF();
 245
 246         // Thats it...
 247         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 248         LEDsoff();
 249 }
 250
 251 void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
 252 {
 253         // params
 254         uint8_t blockNo = arg0;
 255         uint16_t blocks = arg1;
 256         bool useKey = (arg2 == 1); //UL_C
 257         bool usePwd = (arg2 == 2); //UL_EV1/NTAG
 258         uint32_t countblocks = 0;
 259         uint8_t *dataout = BigBuf_get_addr();
 260
 261         LEDsoff();
 262         LED_A_ON();
 263         clear_trace();
 264         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 265
 266         int len = iso14443a_select_card(NULL, NULL, NULL);
 267         if (!len) {
 268                 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);
 269                 OnError(1);
 270                 return;
 271         }
 272
 273         // UL-C authentication
 274         if ( useKey ) {
 275                 uint8_t key[16] = {0x00};
 276                 memcpy(key, datain, sizeof(key) );
 277
 278                 if ( !mifare_ultra_auth(key) ) {
 279                         OnError(1);
 280                         return;
 281                 }
 282         }
 283
 284         // UL-EV1 / NTAG authentication
 285         if (usePwd) {
 286                 uint8_t pwd[4] = {0x00};
 287                 memcpy(pwd, datain, sizeof(pwd));
 288                 uint8_t pack[4] = {0,0,0,0};
 289
 290                 if (!mifare_ul_ev1_auth(pwd, pack)){
 291                         OnError(1);
 292                         return;
 293                 }
 294         }
 295
 296         for (int i = 0; i < blocks; i++){
 297                 if ((i*4) + 4 > BigBuf_get_traceLen()) {
 298                         Dbprintf("Data exceeds buffer!!");
 299                         break;
 300                 }
 301
 302                 len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);
 303
 304                 if (len) {
 305                         if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);
 306                         // if no blocks read - error out
 307                         if (i==0){
 308                                 OnError(2);
 309                                 return;
 310                         } else {
 311                                 //stop at last successful read block and return what we got
 312                                 break;
 313                         }
 314                 } else {
 315                         countblocks++;
 316                 }
 317         }
 318
 319         len = mifare_ultra_halt();
 320         if (len) {
 321                 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
 322                 OnError(3);
 323                 return;
 324         }
 325
 326         if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);
 327
 328         countblocks *= 4;
 329         cmd_send(CMD_ACK, 1, countblocks, countblocks, 0, 0);
 330         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 331         LEDsoff();
 332 }
 333
 334 //-----------------------------------------------------------------------------
 335 // Select, Authenticate, Write a MIFARE tag.
 336 // read block
 337 //-----------------------------------------------------------------------------
 338 void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 339 {
 340         // params
 341         uint8_t blockNo = arg0;
 342         uint8_t keyType = arg1;
 343         uint64_t ui64Key = 0;
 344         byte_t blockdata[16];
 345
 346         ui64Key = bytes_to_num(datain, 6);
 347         memcpy(blockdata, datain + 10, 16);
 348
 349         // variables
 350         byte_t isOK = 0;
 351         uint8_t uid[10];
 352         uint32_t cuid;
 353         struct Crypto1State mpcs = {0, 0};
 354         struct Crypto1State *pcs;
 355         pcs = &mpcs;
 356
 357         // clear trace
 358         clear_trace();
 359
 360         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 361
 362         LED_A_ON();
 363         LED_B_OFF();
 364         LED_C_OFF();
 365
 366         while (true) {
 367                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 368                         if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 369                         break;
 370                 };
 371
 372                 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
 373                         if (MF_DBGLEVEL >= 1)   Dbprintf("Auth error");
 374                         break;
 375                 };
 376
 377                 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
 378                         if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
 379                         break;
 380                 };
 381
 382                 if(mifare_classic_halt(pcs, cuid)) {
 383                         if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 384                         break;
 385                 };
 386
 387                 isOK = 1;
 388                 break;
 389         }
 390
 391         //  ----------------------------- crypto1 destroy
 392         crypto1_destroy(pcs);
 393
 394         if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
 395
 396         LED_B_ON();
 397         cmd_send(CMD_ACK,isOK,0,0,0,0);
 398         LED_B_OFF();
 399
 400
 401         // Thats it...
 402         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 403         LEDsoff();
 404 }
 405
 406 void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
 407 {
 408         uint8_t blockNo = arg0;
 409         byte_t blockdata[16] = {0x00};
 410
 411         memcpy(blockdata, datain, 16);
 412
 413         uint8_t uid[10] = {0x00};
 414
 415         LED_A_ON(); LED_B_OFF(); LED_C_OFF();
 416
 417         clear_trace();
 418         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 419
 420         if(!iso14443a_select_card(uid, NULL, NULL)) {
 421                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 422                 OnError(0);
 423                 return;
 424         };
 425
 426         if(mifare_ultra_writeblock(blockNo, blockdata)) {
 427                 if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");
 428                 OnError(0);
 429                 return; };
 430
 431         if(mifare_ultra_halt()) {
 432                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 433                 OnError(0);
 434                 return;
 435         };
 436
 437         if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");
 438
 439         cmd_send(CMD_ACK,1,0,0,0,0);
 440         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 441         LEDsoff();
 442 }
 443
 444 void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
 445 {
 446         uint8_t blockNo = arg0;
 447         byte_t blockdata[4] = {0x00};
 448
 449         memcpy(blockdata, datain,4);
 450
 451         LEDsoff();
 452         LED_A_ON();
 453         clear_trace();
 454         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 455
 456         if(!iso14443a_select_card(NULL, NULL, NULL)) {
 457                 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
 458                 OnError(0);
 459                 return;
 460         };
 461
 462         if(mifare_ultra_special_writeblock(blockNo, blockdata)) {
 463                 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 464                 OnError(0);
 465                 return;
 466         };
 467
 468         if(mifare_ultra_halt()) {
 469                 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
 470                 OnError(0);
 471                 return;
 472         };
 473
 474         if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
 475
 476         cmd_send(CMD_ACK,1,0,0,0,0);
 477         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 478         LEDsoff();
 479 }
 480
 481 void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
 482
 483         uint8_t pwd[16] = {0x00};
 484         byte_t blockdata[4] = {0x00};
 485
 486         memcpy(pwd, datain, 16);
 487
 488         LED_A_ON(); LED_B_OFF(); LED_C_OFF();
 489         clear_trace();
 490         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 491
 492         if(!iso14443a_select_card(NULL, NULL, NULL)) {
 493                 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
 494                 OnError(0);
 495                 return;
 496         };
 497
 498         blockdata[0] = pwd[7];
 499         blockdata[1] = pwd[6];
 500         blockdata[2] = pwd[5];
 501         blockdata[3] = pwd[4];
 502         if(mifare_ultra_special_writeblock( 44, blockdata)) {
 503                 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 504                 OnError(44);
 505                 return;
 506         };
 507
 508         blockdata[0] = pwd[3];
 509         blockdata[1] = pwd[2];
 510         blockdata[2] = pwd[1];
 511         blockdata[3] = pwd[0];
 512         if(mifare_ultra_special_writeblock( 45, blockdata)) {
 513                 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 514                 OnError(45);
 515                 return;
 516         };
 517
 518         blockdata[0] = pwd[15];
 519         blockdata[1] = pwd[14];
 520         blockdata[2] = pwd[13];
 521         blockdata[3] = pwd[12];
 522         if(mifare_ultra_special_writeblock( 46, blockdata)) {
 523                 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 524                 OnError(46);
 525                 return;
 526         };
 527
 528         blockdata[0] = pwd[11];
 529         blockdata[1] = pwd[10];
 530         blockdata[2] = pwd[9];
 531         blockdata[3] = pwd[8];
 532         if(mifare_ultra_special_writeblock( 47, blockdata)) {
 533                 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
 534                 OnError(47);
 535                 return;
 536         };
 537
 538         if(mifare_ultra_halt()) {
 539                 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
 540                 OnError(0);
 541                 return;
 542         };
 543
 544         cmd_send(CMD_ACK,1,0,0,0,0);
 545         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 546         LEDsoff();
 547 }
 548
 549 // Return 1 if the nonce is invalid else return 0
 550 int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {
 551         return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
 552         (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
 553         (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
 554 }
 555
 556
 557 //-----------------------------------------------------------------------------
 558 // MIFARE nested authentication.
 559 //
 560 //-----------------------------------------------------------------------------
 561 void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)
 562 {
 563         // params
 564         uint8_t blockNo = arg0 & 0xff;
 565         uint8_t keyType = (arg0 >> 8) & 0xff;
 566         uint8_t targetBlockNo = arg1 & 0xff;
 567         uint8_t targetKeyType = (arg1 >> 8) & 0xff;
 568         uint64_t ui64Key = 0;
 569
 570         ui64Key = bytes_to_num(datain, 6);
 571
 572         // variables
 573         uint16_t rtr, i, j, len;
 574         uint16_t davg;
 575         static uint16_t dmin, dmax;
 576         uint8_t uid[10];
 577         uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;
 578         uint8_t par[1];
 579         uint32_t target_nt[2], target_ks[2];
 580
 581         uint8_t par_array[4];
 582         uint16_t ncount = 0;
 583         struct Crypto1State mpcs = {0, 0};
 584         struct Crypto1State *pcs;
 585         pcs = &mpcs;
 586         uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
 587
 588         uint32_t auth1_time, auth2_time;
 589         static uint16_t delta_time;
 590
 591         // free eventually allocated BigBuf memory
 592         BigBuf_free();
 593         // clear trace
 594         clear_trace();
 595         set_tracing(false);
 596
 597         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 598
 599         LED_A_ON();
 600         LED_C_OFF();
 601
 602
 603         // statistics on nonce distance
 604         if (calibrate) {        // for first call only. Otherwise reuse previous calibration
 605                 LED_B_ON();
 606                 WDT_HIT();
 607
 608                 davg = dmax = 0;
 609                 dmin = 2000;
 610                 delta_time = 0;
 611
 612                 for (rtr = 0; rtr < 17; rtr++) {
 613
 614                         // prepare next select. No need to power down the card.
 615                         if(mifare_classic_halt(pcs, cuid)) {
 616                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Halt error");
 617                                 rtr--;
 618                                 continue;
 619                         }
 620
 621                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 622                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Can't select card");
 623                                 rtr--;
 624                                 continue;
 625                         };
 626
 627                         auth1_time = 0;
 628                         if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
 629                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth1 error");
 630                                 rtr--;
 631                                 continue;
 632                         };
 633
 634                         if (delta_time) {
 635                                 auth2_time = auth1_time + delta_time;
 636                         } else {
 637                                 auth2_time = 0;
 638                         }
 639                         if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {
 640                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth2 error");
 641                                 rtr--;
 642                                 continue;
 643                         };
 644
 645                         nttmp = prng_successor(nt1, 100);                               //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
 646                         for (i = 101; i < 1200; i++) {
 647                                 nttmp = prng_successor(nttmp, 1);
 648                                 if (nttmp == nt2) break;
 649                         }
 650
 651                         if (i != 1200) {
 652                                 if (rtr != 0) {
 653                                         davg += i;
 654                                         dmin = MIN(dmin, i);
 655                                         dmax = MAX(dmax, i);
 656                                 }
 657                                 else {
 658                                         delta_time = auth2_time - auth1_time + 32;  // allow some slack for proper timing
 659                                 }
 660                                 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);
 661                         }
 662                 }
 663
 664                 if (rtr <= 1)   return;
 665
 666                 davg = (davg + (rtr - 1)/2) / (rtr - 1);
 667
 668                 if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);
 669
 670                 dmin = davg - 2;
 671                 dmax = davg + 2;
 672
 673                 LED_B_OFF();
 674
 675         }
 676 //  -------------------------------------------------------------------------------------------------
 677
 678         LED_C_ON();
 679
 680         //  get crypted nonces for target sector
 681         for(i=0; i < 2; i++) { // look for exactly two different nonces
 682
 683                 target_nt[i] = 0;
 684                 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce
 685
 686                         // prepare next select. No need to power down the card.
 687                         if(mifare_classic_halt(pcs, cuid)) {
 688                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Halt error");
 689                                 continue;
 690                         }
 691
 692                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 693                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Can't select card");
 694                                 continue;
 695                         };
 696
 697                         auth1_time = 0;
 698                         if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
 699                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth1 error");
 700                                 continue;
 701                         };
 702
 703                         // nested authentication
 704                         auth2_time = auth1_time + delta_time;
 705                         len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);
 706                         if (len != 4) {
 707                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth2 error len=%d", len);
 708                                 continue;
 709                         };
 710
 711                         nt2 = bytes_to_num(receivedAnswer, 4);
 712                         if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);
 713
 714                         // Parity validity check
 715                         for (j = 0; j < 4; j++) {
 716                                 par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));
 717                         }
 718
 719                         ncount = 0;
 720                         nttest = prng_successor(nt1, dmin - 1);
 721                         for (j = dmin; j < dmax + 1; j++) {
 722                                 nttest = prng_successor(nttest, 1);
 723                                 ks1 = nt2 ^ nttest;
 724
 725                                 if (valid_nonce(nttest, nt2, ks1, par_array)){
 726                                         if (ncount > 0) {               // we are only interested in disambiguous nonces, try again
 727                                                 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);
 728                                                 target_nt[i] = 0;
 729                                                 break;
 730                                         }
 731                                         target_nt[i] = nttest;
 732                                         target_ks[i] = ks1;
 733                                         ncount++;
 734                                         if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces
 735                                                 target_nt[i] = 0;
 736                                                 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);
 737                                                 break;
 738                                         }
 739                                         if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);
 740                                 }
 741                         }
 742                         if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);
 743                 }
 744         }
 745
 746         LED_C_OFF();
 747
 748         //  ----------------------------- crypto1 destroy
 749         crypto1_destroy(pcs);
 750
 751         byte_t buf[4 + 4 * 4];
 752         memcpy(buf, &cuid, 4);
 753         memcpy(buf+4, &target_nt[0], 4);
 754         memcpy(buf+8, &target_ks[0], 4);
 755         memcpy(buf+12, &target_nt[1], 4);
 756         memcpy(buf+16, &target_ks[1], 4);
 757
 758         LED_B_ON();
 759         cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));
 760         LED_B_OFF();
 761
 762         if (MF_DBGLEVEL >= 3)   DbpString("NESTED FINISHED");
 763
 764         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 765         LEDsoff();
 766         set_tracing(TRUE);
 767 }
 768
 769 //-----------------------------------------------------------------------------
 770 // MIFARE check keys. key count up to 85.
 771 //
 772 //-----------------------------------------------------------------------------
 773 void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 774 {
 775   // params
 776         uint8_t blockNo = arg0;
 777         uint8_t keyType = arg1;
 778         uint8_t keyCount = arg2;
 779         uint64_t ui64Key = 0;
 780
 781         // variables
 782         int i;
 783         byte_t isOK = 0;
 784         uint8_t uid[10];
 785         uint32_t cuid;
 786         struct Crypto1State mpcs = {0, 0};
 787         struct Crypto1State *pcs;
 788         pcs = &mpcs;
 789
 790         // clear debug level
 791         int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
 792         MF_DBGLEVEL = MF_DBG_NONE;
 793
 794         // clear trace
 795         clear_trace();
 796         set_tracing(TRUE);
 797
 798         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 799
 800         LED_A_ON();
 801         LED_B_OFF();
 802         LED_C_OFF();
 803
 804         for (i = 0; i < keyCount; i++) {
 805                 if(mifare_classic_halt(pcs, cuid)) {
 806                         if (MF_DBGLEVEL >= 1)   Dbprintf("ChkKeys: Halt error");
 807                 }
 808
 809                 if(!iso14443a_select_card(uid, NULL, &cuid)) {
 810                         if (OLD_MF_DBGLEVEL >= 1)       Dbprintf("ChkKeys: Can't select card");
 811                         break;
 812                 };
 813
 814                 ui64Key = bytes_to_num(datain + i * 6, 6);
 815                 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
 816                         continue;
 817                 };
 818
 819                 isOK = 1;
 820                 break;
 821         }
 822
 823         //  ----------------------------- crypto1 destroy
 824         crypto1_destroy(pcs);
 825
 826         LED_B_ON();
 827     cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
 828         LED_B_OFF();
 829
 830         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 831         LEDsoff();
 832
 833         // restore debug level
 834         MF_DBGLEVEL = OLD_MF_DBGLEVEL;
 835 }
 836
 837 //-----------------------------------------------------------------------------
 838 // MIFARE commands set debug level
 839 //
 840 //-----------------------------------------------------------------------------
 841 void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 842         MF_DBGLEVEL = arg0;
 843         Dbprintf("Debug level: %d", MF_DBGLEVEL);
 844 }
 845
 846 //-----------------------------------------------------------------------------
 847 // Work with emulator memory
 848 //
 849 //-----------------------------------------------------------------------------
 850 void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 851         emlClearMem();
 852 }
 853
 854 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 855         emlSetMem(datain, arg0, arg1); // data, block num, blocks count
 856 }
 857
 858 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 859         byte_t buf[USB_CMD_DATA_SIZE];
 860         emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)
 861
 862         LED_B_ON();
 863         cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);
 864         LED_B_OFF();
 865 }
 866
 867 //-----------------------------------------------------------------------------
 868 // Load a card into the emulator memory
 869 //
 870 //-----------------------------------------------------------------------------
 871 void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 872         uint8_t numSectors = arg0;
 873         uint8_t keyType = arg1;
 874         uint64_t ui64Key = 0;
 875         uint32_t cuid;
 876         struct Crypto1State mpcs = {0, 0};
 877         struct Crypto1State *pcs;
 878         pcs = &mpcs;
 879
 880         // variables
 881         byte_t dataoutbuf[16];
 882         byte_t dataoutbuf2[16];
 883         uint8_t uid[10];
 884
 885         // clear trace
 886         clear_trace();
 887         set_tracing(false);
 888
 889         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 890
 891         LED_A_ON();
 892         LED_B_OFF();
 893         LED_C_OFF();
 894
 895         bool isOK = true;
 896
 897         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 898                 isOK = false;
 899                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 900         }
 901
 902         for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
 903                 ui64Key = emlGetKey(sectorNo, keyType);
 904                 if (sectorNo == 0){
 905                         if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
 906                                 isOK = false;
 907                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Sector[%2d]. Auth error", sectorNo);
 908                                 break;
 909                         }
 910                 } else {
 911                         if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {
 912                                 isOK = false;
 913                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Sector[%2d]. Auth nested error", sectorNo);
 914                                 break;
 915                         }
 916                 }
 917
 918                 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
 919                         if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {
 920                                 isOK = false;
 921                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);
 922                                 break;
 923                         };
 924                         if (isOK) {
 925                                 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {
 926                                         emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);
 927                                 } else {        // sector trailer, keep the keys, set only the AC
 928                                         emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
 929                                         memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
 930                                         emlSetMem(dataoutbuf2,  FirstBlockOfSector(sectorNo) + blockNo, 1);
 931                                 }
 932                         }
 933                 }
 934
 935         }
 936
 937         if(mifare_classic_halt(pcs, cuid)) {
 938                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
 939         };
 940
 941         //  ----------------------------- crypto1 destroy
 942         crypto1_destroy(pcs);
 943
 944         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 945         LEDsoff();
 946
 947         if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");
 948
 949 }
 950
 951
 952 //-----------------------------------------------------------------------------
 953 // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
 954 //
 955 //-----------------------------------------------------------------------------
 956 void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 957
 958   // params
 959         uint8_t needWipe = arg0;
 960         // bit 0 - need get UID
 961         // bit 1 - need wupC
 962         // bit 2 - need HALT after sequence
 963         // bit 3 - need init FPGA and field before sequence
 964         // bit 4 - need reset FPGA and LED
 965         uint8_t workFlags = arg1;
 966         uint8_t blockNo = arg2;
 967
 968         // card commands
 969         uint8_t wupC1[]       = { 0x40 };
 970         uint8_t wupC2[]       = { 0x43 };
 971         uint8_t wipeC[]       = { 0x41 };
 972
 973         // variables
 974         byte_t isOK = 0;
 975         uint8_t uid[10] = {0x00};
 976         uint8_t d_block[18] = {0x00};
 977         uint32_t cuid;
 978
 979         uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
 980         uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
 981
 982         // reset FPGA and LED
 983         if (workFlags & 0x08) {
 984                 LED_A_ON();
 985                 LED_B_OFF();
 986                 LED_C_OFF();
 987
 988                 clear_trace();
 989                 set_tracing(TRUE);
 990                 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 991         }
 992
 993         while (true) {
 994
 995                 // get UID from chip
 996                 if (workFlags & 0x01) {
 997                         if(!iso14443a_select_card(uid, NULL, &cuid)) {
 998                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");
 999                                 break;
1000                         };
1001
1002                         if(mifare_classic_halt(NULL, cuid)) {
1003                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
1004                                 break;
1005                         };
1006                 };
1007
1008                 // reset chip
1009                 if (needWipe){
1010                         ReaderTransmitBitsPar(wupC1,7,0, NULL);
1011                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1012                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
1013                                 break;
1014                         };
1015
1016                         ReaderTransmit(wipeC, sizeof(wipeC), NULL);
1017                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1018                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wipeC error");
1019                                 break;
1020                         };
1021
1022                         if(mifare_classic_halt(NULL, cuid)) {
1023                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
1024                                 break;
1025                         };
1026                 };
1027
1028                 // write block
1029                 if (workFlags & 0x02) {
1030                         ReaderTransmitBitsPar(wupC1,7,0, NULL);
1031                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1032                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
1033                                 break;
1034                         };
1035
1036                         ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1037                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1038                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");
1039                                 break;
1040                         };
1041                 }
1042
1043                 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
1044                         if (MF_DBGLEVEL >= 1)   Dbprintf("write block send command error");
1045                         break;
1046                 };
1047
1048                 memcpy(d_block, datain, 16);
1049                 AppendCrc14443a(d_block, 16);
1050
1051                 ReaderTransmit(d_block, sizeof(d_block), NULL);
1052                 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
1053                         if (MF_DBGLEVEL >= 1)   Dbprintf("write block send data error");
1054                         break;
1055                 };
1056
1057                 if (workFlags & 0x04) {
1058                         if (mifare_classic_halt(NULL, cuid)) {
1059                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
1060                                 break;
1061                         };
1062                 }
1063
1064                 isOK = 1;
1065                 break;
1066         }
1067
1068         LED_B_ON();
1069         cmd_send(CMD_ACK,isOK,0,0,uid,4);
1070         LED_B_OFF();
1071
1072         if ((workFlags & 0x10) || (!isOK)) {
1073                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1074                 LEDsoff();
1075         }
1076 }
1077
1078
1079 void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
1080
1081   // params
1082         // bit 1 - need wupC
1083         // bit 2 - need HALT after sequence
1084         // bit 3 - need init FPGA and field before sequence
1085         // bit 4 - need reset FPGA and LED
1086         uint8_t workFlags = arg0;
1087         uint8_t blockNo = arg2;
1088
1089         // card commands
1090         uint8_t wupC1[]       = { 0x40 };
1091         uint8_t wupC2[]       = { 0x43 };
1092
1093         // variables
1094         byte_t isOK = 0;
1095         uint8_t data[18] = {0x00};
1096         uint32_t cuid = 0;
1097
1098         uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1099         uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1100
1101         if (workFlags & 0x08) {
1102                 LED_A_ON();
1103                 LED_B_OFF();
1104                 LED_C_OFF();
1105
1106                 clear_trace();
1107                 set_tracing(TRUE);
1108                 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1109         }
1110
1111         while (true) {
1112                 if (workFlags & 0x02) {
1113                         ReaderTransmitBitsPar(wupC1,7,0, NULL);
1114                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1115                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");
1116                                 break;
1117                         };
1118
1119                         ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1120                         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1121                                 if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");
1122                                 break;
1123                         };
1124                 }
1125
1126                 // read block
1127                 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {
1128                         if (MF_DBGLEVEL >= 1)   Dbprintf("read block send command error");
1129                         break;
1130                 };
1131                 memcpy(data, receivedAnswer, 18);
1132
1133                 if (workFlags & 0x04) {
1134                         if (mifare_classic_halt(NULL, cuid)) {
1135                                 if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");
1136                                 break;
1137                         };
1138                 }
1139
1140                 isOK = 1;
1141                 break;
1142         }
1143
1144         LED_B_ON();
1145         cmd_send(CMD_ACK,isOK,0,0,data,18);
1146         LED_B_OFF();
1147
1148         if ((workFlags & 0x10) || (!isOK)) {
1149                 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1150                 LEDsoff();
1151         }
1152 }
1153
1154 void MifareCIdent(){
1155
1156         // card commands
1157         uint8_t wupC1[]       = { 0x40 };
1158         uint8_t wupC2[]       = { 0x43 };
1159
1160         // variables
1161         byte_t isOK = 1;
1162
1163         uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1164         uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1165
1166         ReaderTransmitBitsPar(wupC1,7,0, NULL);
1167         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1168                 isOK = 0;
1169         };
1170
1171         ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1172         if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1173                 isOK = 0;
1174         };
1175
1176         if (mifare_classic_halt(NULL, 0)) {
1177                 isOK = 0;
1178         };
1179
1180         cmd_send(CMD_ACK,isOK,0,0,0,0);
1181 }
1182
1183                         //
1184 // DESFIRE
1185 //
1186
1187 void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
1188
1189         byte_t dataout[11] = {0x00};
1190         uint8_t uid[10] = {0x00};
1191         uint32_t cuid;
1192
1193         clear_trace();
1194         iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1195
1196         int len = iso14443a_select_card(uid, NULL, &cuid);
1197         if(!len) {
1198                 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");
1199                 OnError(1);
1200                 return;
1201         };
1202
1203         if(mifare_desfire_des_auth1(cuid, dataout)){
1204                 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");
1205                 OnError(4);
1206                 return;
1207         }
1208
1209         if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");
1210     cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));
1211 }
1212
1213 void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
1214
1215         uint32_t cuid = arg0;
1216         uint8_t key[16] = {0x00};
1217         byte_t isOK = 0;
1218         byte_t dataout[12] = {0x00};
1219
1220         memcpy(key, datain, 16);
1221
1222         isOK = mifare_desfire_des_auth2(cuid, key, dataout);
1223
1224         if( isOK) {
1225             if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1226                         Dbprintf("Authentication part2: Failed");
1227                 //OnError(4);
1228                 return;
1229         }
1230
1231         if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1232                 DbpString("AUTH 2 FINISHED");
1233
1234         cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));
1235         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1236         LEDsoff();
1237 }
1238
1239 void OnSuccess(){
1240         pcb_blocknum = 0;
1241         ReaderTransmit(deselect_cmd, 3 , NULL);
1242         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1243         LEDsoff();
1244 }
1245
1246 void OnError(uint8_t reason){
1247         pcb_blocknum = 0;
1248         ReaderTransmit(deselect_cmd, 3 , NULL);
1249         FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1250         cmd_send(CMD_ACK,0,reason,0,0,0);
1251         LEDsoff();
1252 }