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[proxmark3-svn] / 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 "des.h"
21 #include "crc.h"
22
23 // the block number for the ISO14443-4 PCB
24 uint8_t pcb_blocknum = 0;
25 // Deselect card by sending a s-block. the crc is precalced for speed
26 static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};
27
28
29 //-----------------------------------------------------------------------------
30 // Select, Authenticate, Read a MIFARE tag.
31 // read block
32 //-----------------------------------------------------------------------------
33 void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
34 {
35 // params
36 uint8_t blockNo = arg0;
37 uint8_t keyType = arg1;
38 uint64_t ui64Key = 0;
39 ui64Key = bytes_to_num(datain, 6);
40
41 // variables
42 byte_t isOK = 0;
43 byte_t dataoutbuf[16];
44 uint8_t uid[10];
45 uint32_t cuid;
46 struct Crypto1State mpcs = {0, 0};
47 struct Crypto1State *pcs;
48 pcs = &mpcs;
49
50 // clear trace
51 clear_trace();
52 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
53
54 LED_A_ON();
55 LED_B_OFF();
56 LED_C_OFF();
57
58 while (true) {
59 if(!iso14443a_select_card(uid, NULL, &cuid)) {
60 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
61 break;
62 };
63
64 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
65 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
66 break;
67 };
68
69 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {
70 if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");
71 break;
72 };
73
74 if(mifare_classic_halt(pcs, cuid)) {
75 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
76 break;
77 };
78
79 isOK = 1;
80 break;
81 }
82
83 // ----------------------------- crypto1 destroy
84 crypto1_destroy(pcs);
85
86 if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");
87
88 LED_B_ON();
89 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
90 LED_B_OFF();
91
92 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
93 LEDsoff();
94 }
95
96 void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){
97
98 byte_t dataoutbuf[16] = {0x00};
99 uint8_t uid[10] = {0x00};
100 uint32_t cuid = 0x00;
101
102 LED_A_ON(); LED_B_OFF(); LED_C_OFF();
103
104 clear_trace();
105 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
106
107 if(!iso14443a_select_card(uid, NULL, &cuid)) {
108 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");
109 OnError(0);
110 return;
111 };
112
113 if(mifare_ultra_auth1(dataoutbuf)){
114 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");
115 OnError(1);
116 return;
117 }
118
119 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");
120
121 cmd_send(CMD_ACK,1,cuid,0,dataoutbuf,11);
122 LEDsoff();
123 }
124 void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){
125
126 uint8_t key[16] = {0x00};
127 byte_t dataoutbuf[16] = {0x00};
128
129 memcpy(key, datain, 16);
130
131 LED_A_ON(); LED_B_OFF(); LED_C_OFF();
132
133 if(mifare_ultra_auth2(key, dataoutbuf)){
134 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part2: Fail...");
135 OnError(1);
136 return;
137 }
138
139 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");
140
141 cmd_send(CMD_ACK,1,0,0,dataoutbuf,11);
142 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
143 LEDsoff();
144 }
145
146 void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
147 {
148 uint8_t blockNo = arg0;
149 byte_t dataout[16] = {0x00};
150 uint8_t uid[10] = {0x00};
151 uint8_t key[16] = {0x00};
152 bool usePwd = (arg1 == 1);
153
154 LED_A_ON(); LED_B_OFF(); LED_C_OFF();
155
156 clear_trace();
157 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
158
159 int len = iso14443a_select_card(uid, NULL, NULL);
160 if(!len) {
161 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);
162 OnError(1);
163 return;
164 }
165
166 // authenticate here.
167 if ( usePwd ) {
168
169 memcpy(key, datain, 16);
170
171 // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7] );
172 // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[8],key[9],key[10],key[11],key[12],key[13],key[14],key[15] );
173
174 uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };
175 uint8_t random_b[8] = {0x00};
176 uint8_t enc_random_b[8] = {0x00};
177 uint8_t rnd_ab[16] = {0x00};
178 uint8_t IV[8] = {0x00};
179
180 uint16_t len;
181 uint8_t receivedAnswer[MAX_FRAME_SIZE];
182 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
183
184 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);
185 if (len != 11) {
186 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
187 OnError(1);
188 return;
189 }
190
191 // tag nonce.
192 memcpy(enc_random_b,receivedAnswer+1,8);
193
194 // decrypt nonce.
195 tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );
196
197
198 rol(random_b,8);
199
200 memcpy(rnd_ab ,random_a,8);
201 memcpy(rnd_ab+8,random_b,8);
202
203 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
204 Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",
205 enc_random_b[0],enc_random_b[1],enc_random_b[2],enc_random_b[3],
206 enc_random_b[4],enc_random_b[5],enc_random_b[6],enc_random_b[7]);
207
208 Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x",
209 random_b[0],random_b[1],random_b[2],random_b[3],
210 random_b[4],random_b[5],random_b[6],random_b[7]);
211
212 Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",
213 rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],
214 rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);
215
216 Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",
217 rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],
218 rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15] );
219 }
220
221 // encrypt out, in, length, key, iv
222 tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);
223
224
225 len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);
226 if (len != 11) {
227 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
228 OnError(1);
229 return;
230 }
231
232 uint8_t enc_resp[8] = { 0 };
233 uint8_t resp_random_a[8] = { 0 };
234 memcpy(enc_resp, receivedAnswer+1, 8);
235
236 // decrypt out, in, length, key, iv
237 tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);
238 if ( memcmp(resp_random_a, random_a, 8) != 0 )
239 Dbprintf("failed authentication");
240
241 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
242 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",
243 rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],
244 rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);
245
246 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",
247 rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],
248 rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);
249
250 Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",
251 random_a[0],random_a[1],random_a[2],random_a[3],
252 random_a[4],random_a[5],random_a[6],random_a[7]);
253
254 Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",
255 resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],
256 resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);
257 }
258 }
259
260 if( mifare_ultra_readblock(blockNo, dataout) ) {
261 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");
262 OnError(2);
263 return;
264 }
265
266 if( mifare_ultra_halt() ) {
267 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
268 OnError(3);
269 return;
270 }
271
272 cmd_send(CMD_ACK,1,0,0,dataout,16);
273 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
274 LEDsoff();
275 }
276
277 //-----------------------------------------------------------------------------
278 // Select, Authenticate, Read a MIFARE tag.
279 // read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)
280 //-----------------------------------------------------------------------------
281 void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
282 {
283 // params
284 uint8_t sectorNo = arg0;
285 uint8_t keyType = arg1;
286 uint64_t ui64Key = 0;
287 ui64Key = bytes_to_num(datain, 6);
288
289 // variables
290 byte_t isOK = 0;
291 byte_t dataoutbuf[16 * 16];
292 uint8_t uid[10];
293 uint32_t cuid;
294 struct Crypto1State mpcs = {0, 0};
295 struct Crypto1State *pcs;
296 pcs = &mpcs;
297
298 // clear trace
299 clear_trace();
300
301 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
302
303 LED_A_ON();
304 LED_B_OFF();
305 LED_C_OFF();
306
307 isOK = 1;
308 if(!iso14443a_select_card(uid, NULL, &cuid)) {
309 isOK = 0;
310 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
311 }
312
313
314 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
315 isOK = 0;
316 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
317 }
318
319 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
320 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {
321 isOK = 0;
322 if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);
323 break;
324 }
325 }
326
327 if(mifare_classic_halt(pcs, cuid)) {
328 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
329 }
330
331 // ----------------------------- crypto1 destroy
332 crypto1_destroy(pcs);
333
334 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");
335
336 LED_B_ON();
337 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));
338 LED_B_OFF();
339
340 // Thats it...
341 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
342 LEDsoff();
343 }
344
345 void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)
346 {
347 // params
348 uint8_t sectorNo = arg0;
349 int Pages = arg1;
350 int countpages = 0;
351 byte_t dataout[176] = {0x00};;
352
353 LEDsoff();
354 LED_A_ON();
355 clear_trace();
356 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
357
358 int len = iso14443a_select_card(NULL, NULL, NULL);
359 if (!len) {
360 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);
361 OnError(1);
362 return;
363 }
364
365 for (int i = 0; i < Pages; i++){
366
367 len = mifare_ultra_readblock(sectorNo * 4 + i, dataout + 4 * i);
368
369 if (len) {
370 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);
371 OnError(2);
372 return;
373 } else {
374 countpages++;
375 }
376 }
377
378 len = mifare_ultra_halt();
379 if (len) {
380 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
381 OnError(3);
382 return;
383 }
384
385 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Pages read %d", countpages);
386
387 len = Pages * 4;
388
389 cmd_send(CMD_ACK, 1, 0, 0, dataout, len);
390 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
391 LEDsoff();
392 }
393
394 //-----------------------------------------------------------------------------
395 // Select, Authenticate, Write a MIFARE tag.
396 // read block
397 //-----------------------------------------------------------------------------
398 void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
399 {
400 // params
401 uint8_t blockNo = arg0;
402 uint8_t keyType = arg1;
403 uint64_t ui64Key = 0;
404 byte_t blockdata[16];
405
406 ui64Key = bytes_to_num(datain, 6);
407 memcpy(blockdata, datain + 10, 16);
408
409 // variables
410 byte_t isOK = 0;
411 uint8_t uid[10];
412 uint32_t cuid;
413 struct Crypto1State mpcs = {0, 0};
414 struct Crypto1State *pcs;
415 pcs = &mpcs;
416
417 // clear trace
418 clear_trace();
419
420 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
421
422 LED_A_ON();
423 LED_B_OFF();
424 LED_C_OFF();
425
426 while (true) {
427 if(!iso14443a_select_card(uid, NULL, &cuid)) {
428 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
429 break;
430 };
431
432 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
433 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
434 break;
435 };
436
437 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
438 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
439 break;
440 };
441
442 if(mifare_classic_halt(pcs, cuid)) {
443 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
444 break;
445 };
446
447 isOK = 1;
448 break;
449 }
450
451 // ----------------------------- crypto1 destroy
452 crypto1_destroy(pcs);
453
454 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
455
456 LED_B_ON();
457 cmd_send(CMD_ACK,isOK,0,0,0,0);
458 LED_B_OFF();
459
460
461 // Thats it...
462 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
463 LEDsoff();
464 }
465
466 void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
467 {
468 uint8_t blockNo = arg0;
469 byte_t blockdata[16] = {0x00};
470
471 memcpy(blockdata, datain, 16);
472
473 uint8_t uid[10] = {0x00};
474
475 LED_A_ON(); LED_B_OFF(); LED_C_OFF();
476
477 clear_trace();
478 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
479
480 if(!iso14443a_select_card(uid, NULL, NULL)) {
481 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
482 OnError(0);
483 return;
484 };
485
486 if(mifare_ultra_writeblock(blockNo, blockdata)) {
487 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
488 OnError(0);
489 return; };
490
491 if(mifare_ultra_halt()) {
492 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
493 OnError(0);
494 return;
495 };
496
497 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
498
499 cmd_send(CMD_ACK,1,0,0,0,0);
500 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
501 LEDsoff();
502 }
503
504 void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
505 {
506 uint8_t blockNo = arg0;
507 byte_t blockdata[4] = {0x00};
508
509 memcpy(blockdata, datain,4);
510
511 uint8_t uid[10] = {0x00};
512
513 LED_A_ON(); LED_B_OFF(); LED_C_OFF();
514 clear_trace();
515 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
516
517 if(!iso14443a_select_card(uid, NULL, NULL)) {
518 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
519 OnError(0);
520 return;
521 };
522
523 if(mifare_ultra_special_writeblock(blockNo, blockdata)) {
524 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
525 OnError(0);
526 return;
527 };
528
529 if(mifare_ultra_halt()) {
530 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
531 OnError(0);
532 return;
533 };
534
535 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
536
537 cmd_send(CMD_ACK,1,0,0,0,0);
538 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
539 LEDsoff();
540 }
541
542 void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
543
544 uint8_t pwd[16] = {0x00};
545 byte_t blockdata[4] = {0x00};
546
547 memcpy(pwd, datain, 16);
548
549 LED_A_ON(); LED_B_OFF(); LED_C_OFF();
550 clear_trace();
551 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
552
553 if(!iso14443a_select_card(NULL, NULL, NULL)) {
554 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
555 OnError(0);
556 return;
557 };
558
559 blockdata[0] = pwd[7];
560 blockdata[1] = pwd[6];
561 blockdata[2] = pwd[5];
562 blockdata[3] = pwd[4];
563 if(mifare_ultra_special_writeblock( 44, blockdata)) {
564 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
565 OnError(44);
566 return;
567 };
568
569 blockdata[0] = pwd[3];
570 blockdata[1] = pwd[2];
571 blockdata[2] = pwd[1];
572 blockdata[3] = pwd[0];
573 if(mifare_ultra_special_writeblock( 45, blockdata)) {
574 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
575 OnError(45);
576 return;
577 };
578
579 blockdata[0] = pwd[15];
580 blockdata[1] = pwd[14];
581 blockdata[2] = pwd[13];
582 blockdata[3] = pwd[12];
583 if(mifare_ultra_special_writeblock( 46, blockdata)) {
584 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
585 OnError(46);
586 return;
587 };
588
589 blockdata[0] = pwd[11];
590 blockdata[1] = pwd[10];
591 blockdata[2] = pwd[9];
592 blockdata[3] = pwd[8];
593 if(mifare_ultra_special_writeblock( 47, blockdata)) {
594 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
595 OnError(47);
596 return;
597 };
598
599 if(mifare_ultra_halt()) {
600 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
601 OnError(0);
602 return;
603 };
604
605 cmd_send(CMD_ACK,1,0,0,0,0);
606 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
607 LEDsoff();
608 }
609
610 // Return 1 if the nonce is invalid else return 0
611 int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {
612 return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
613 (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
614 (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
615 }
616
617
618 //-----------------------------------------------------------------------------
619 // MIFARE nested authentication.
620 //
621 //-----------------------------------------------------------------------------
622 void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)
623 {
624 // params
625 uint8_t blockNo = arg0 & 0xff;
626 uint8_t keyType = (arg0 >> 8) & 0xff;
627 uint8_t targetBlockNo = arg1 & 0xff;
628 uint8_t targetKeyType = (arg1 >> 8) & 0xff;
629 uint64_t ui64Key = 0;
630
631 ui64Key = bytes_to_num(datain, 6);
632
633 // variables
634 uint16_t rtr, i, j, len;
635 uint16_t davg;
636 static uint16_t dmin, dmax;
637 uint8_t uid[10];
638 uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;
639 uint8_t par[1];
640 uint32_t target_nt[2], target_ks[2];
641
642 uint8_t par_array[4];
643 uint16_t ncount = 0;
644 struct Crypto1State mpcs = {0, 0};
645 struct Crypto1State *pcs;
646 pcs = &mpcs;
647 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
648
649 uint32_t auth1_time, auth2_time;
650 static uint16_t delta_time;
651
652 // free eventually allocated BigBuf memory
653 BigBuf_free();
654 // clear trace
655 clear_trace();
656 set_tracing(false);
657
658 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
659
660 LED_A_ON();
661 LED_C_OFF();
662
663
664 // statistics on nonce distance
665 if (calibrate) { // for first call only. Otherwise reuse previous calibration
666 LED_B_ON();
667 WDT_HIT();
668
669 davg = dmax = 0;
670 dmin = 2000;
671 delta_time = 0;
672
673 for (rtr = 0; rtr < 17; rtr++) {
674
675 // prepare next select. No need to power down the card.
676 if(mifare_classic_halt(pcs, cuid)) {
677 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");
678 rtr--;
679 continue;
680 }
681
682 if(!iso14443a_select_card(uid, NULL, &cuid)) {
683 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");
684 rtr--;
685 continue;
686 };
687
688 auth1_time = 0;
689 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
690 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");
691 rtr--;
692 continue;
693 };
694
695 if (delta_time) {
696 auth2_time = auth1_time + delta_time;
697 } else {
698 auth2_time = 0;
699 }
700 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {
701 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");
702 rtr--;
703 continue;
704 };
705
706 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
707 for (i = 101; i < 1200; i++) {
708 nttmp = prng_successor(nttmp, 1);
709 if (nttmp == nt2) break;
710 }
711
712 if (i != 1200) {
713 if (rtr != 0) {
714 davg += i;
715 dmin = MIN(dmin, i);
716 dmax = MAX(dmax, i);
717 }
718 else {
719 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing
720 }
721 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);
722 }
723 }
724
725 if (rtr <= 1) return;
726
727 davg = (davg + (rtr - 1)/2) / (rtr - 1);
728
729 if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);
730
731 dmin = davg - 2;
732 dmax = davg + 2;
733
734 LED_B_OFF();
735
736 }
737 // -------------------------------------------------------------------------------------------------
738
739 LED_C_ON();
740
741 // get crypted nonces for target sector
742 for(i=0; i < 2; i++) { // look for exactly two different nonces
743
744 target_nt[i] = 0;
745 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce
746
747 // prepare next select. No need to power down the card.
748 if(mifare_classic_halt(pcs, cuid)) {
749 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");
750 continue;
751 }
752
753 if(!iso14443a_select_card(uid, NULL, &cuid)) {
754 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");
755 continue;
756 };
757
758 auth1_time = 0;
759 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
760 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");
761 continue;
762 };
763
764 // nested authentication
765 auth2_time = auth1_time + delta_time;
766 len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);
767 if (len != 4) {
768 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);
769 continue;
770 };
771
772 nt2 = bytes_to_num(receivedAnswer, 4);
773 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);
774
775 // Parity validity check
776 for (j = 0; j < 4; j++) {
777 par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));
778 }
779
780 ncount = 0;
781 nttest = prng_successor(nt1, dmin - 1);
782 for (j = dmin; j < dmax + 1; j++) {
783 nttest = prng_successor(nttest, 1);
784 ks1 = nt2 ^ nttest;
785
786 if (valid_nonce(nttest, nt2, ks1, par_array)){
787 if (ncount > 0) { // we are only interested in disambiguous nonces, try again
788 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);
789 target_nt[i] = 0;
790 break;
791 }
792 target_nt[i] = nttest;
793 target_ks[i] = ks1;
794 ncount++;
795 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces
796 target_nt[i] = 0;
797 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);
798 break;
799 }
800 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);
801 }
802 }
803 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);
804 }
805 }
806
807 LED_C_OFF();
808
809 // ----------------------------- crypto1 destroy
810 crypto1_destroy(pcs);
811
812 byte_t buf[4 + 4 * 4];
813 memcpy(buf, &cuid, 4);
814 memcpy(buf+4, &target_nt[0], 4);
815 memcpy(buf+8, &target_ks[0], 4);
816 memcpy(buf+12, &target_nt[1], 4);
817 memcpy(buf+16, &target_ks[1], 4);
818
819 LED_B_ON();
820 cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));
821 LED_B_OFF();
822
823 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");
824
825 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
826 LEDsoff();
827 set_tracing(TRUE);
828 }
829
830 //-----------------------------------------------------------------------------
831 // MIFARE check keys. key count up to 85.
832 //
833 //-----------------------------------------------------------------------------
834 void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
835 {
836 // params
837 uint8_t blockNo = arg0;
838 uint8_t keyType = arg1;
839 uint8_t keyCount = arg2;
840 uint64_t ui64Key = 0;
841
842 // variables
843 int i;
844 byte_t isOK = 0;
845 uint8_t uid[10];
846 uint32_t cuid;
847 struct Crypto1State mpcs = {0, 0};
848 struct Crypto1State *pcs;
849 pcs = &mpcs;
850
851 // clear debug level
852 int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
853 MF_DBGLEVEL = MF_DBG_NONE;
854
855 // clear trace
856 clear_trace();
857 set_tracing(TRUE);
858
859 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
860
861 LED_A_ON();
862 LED_B_OFF();
863 LED_C_OFF();
864
865 for (i = 0; i < keyCount; i++) {
866 if(mifare_classic_halt(pcs, cuid)) {
867 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");
868 }
869
870 if(!iso14443a_select_card(uid, NULL, &cuid)) {
871 if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");
872 break;
873 };
874
875 ui64Key = bytes_to_num(datain + i * 6, 6);
876 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
877 continue;
878 };
879
880 isOK = 1;
881 break;
882 }
883
884 // ----------------------------- crypto1 destroy
885 crypto1_destroy(pcs);
886
887 LED_B_ON();
888 cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
889 LED_B_OFF();
890
891 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
892 LEDsoff();
893
894 // restore debug level
895 MF_DBGLEVEL = OLD_MF_DBGLEVEL;
896 }
897
898 //-----------------------------------------------------------------------------
899 // MIFARE commands set debug level
900 //
901 //-----------------------------------------------------------------------------
902 void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
903 MF_DBGLEVEL = arg0;
904 Dbprintf("Debug level: %d", MF_DBGLEVEL);
905 }
906
907 //-----------------------------------------------------------------------------
908 // Work with emulator memory
909 //
910 //-----------------------------------------------------------------------------
911 void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
912 emlClearMem();
913 }
914
915 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
916 emlSetMem(datain, arg0, arg1); // data, block num, blocks count
917 }
918
919 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
920 byte_t buf[USB_CMD_DATA_SIZE];
921 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)
922
923 LED_B_ON();
924 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);
925 LED_B_OFF();
926 }
927
928 //-----------------------------------------------------------------------------
929 // Load a card into the emulator memory
930 //
931 //-----------------------------------------------------------------------------
932 void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
933 uint8_t numSectors = arg0;
934 uint8_t keyType = arg1;
935 uint64_t ui64Key = 0;
936 uint32_t cuid;
937 struct Crypto1State mpcs = {0, 0};
938 struct Crypto1State *pcs;
939 pcs = &mpcs;
940
941 // variables
942 byte_t dataoutbuf[16];
943 byte_t dataoutbuf2[16];
944 uint8_t uid[10];
945
946 // clear trace
947 clear_trace();
948 set_tracing(false);
949
950 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
951
952 LED_A_ON();
953 LED_B_OFF();
954 LED_C_OFF();
955
956 bool isOK = true;
957
958 if(!iso14443a_select_card(uid, NULL, &cuid)) {
959 isOK = false;
960 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
961 }
962
963 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
964 ui64Key = emlGetKey(sectorNo, keyType);
965 if (sectorNo == 0){
966 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
967 isOK = false;
968 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);
969 break;
970 }
971 } else {
972 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {
973 isOK = false;
974 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);
975 break;
976 }
977 }
978
979 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
980 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {
981 isOK = false;
982 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);
983 break;
984 };
985 if (isOK) {
986 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {
987 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);
988 } else { // sector trailer, keep the keys, set only the AC
989 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
990 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
991 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
992 }
993 }
994 }
995
996 }
997
998 if(mifare_classic_halt(pcs, cuid)) {
999 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1000 };
1001
1002 // ----------------------------- crypto1 destroy
1003 crypto1_destroy(pcs);
1004
1005 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1006 LEDsoff();
1007
1008 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");
1009
1010 }
1011
1012
1013 //-----------------------------------------------------------------------------
1014 // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
1015 //
1016 //-----------------------------------------------------------------------------
1017 void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
1018
1019 // params
1020 uint8_t needWipe = arg0;
1021 // bit 0 - need get UID
1022 // bit 1 - need wupC
1023 // bit 2 - need HALT after sequence
1024 // bit 3 - need init FPGA and field before sequence
1025 // bit 4 - need reset FPGA and LED
1026 uint8_t workFlags = arg1;
1027 uint8_t blockNo = arg2;
1028
1029 // card commands
1030 uint8_t wupC1[] = { 0x40 };
1031 uint8_t wupC2[] = { 0x43 };
1032 uint8_t wipeC[] = { 0x41 };
1033
1034 // variables
1035 byte_t isOK = 0;
1036 uint8_t uid[10] = {0x00};
1037 uint8_t d_block[18] = {0x00};
1038 uint32_t cuid;
1039
1040 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1041 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1042
1043 // reset FPGA and LED
1044 if (workFlags & 0x08) {
1045 LED_A_ON();
1046 LED_B_OFF();
1047 LED_C_OFF();
1048
1049 clear_trace();
1050 set_tracing(TRUE);
1051 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1052 }
1053
1054 while (true) {
1055
1056 // get UID from chip
1057 if (workFlags & 0x01) {
1058 if(!iso14443a_select_card(uid, NULL, &cuid)) {
1059 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
1060 break;
1061 };
1062
1063 if(mifare_classic_halt(NULL, cuid)) {
1064 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1065 break;
1066 };
1067 };
1068
1069 // reset chip
1070 if (needWipe){
1071 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1072 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1073 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
1074 break;
1075 };
1076
1077 ReaderTransmit(wipeC, sizeof(wipeC), NULL);
1078 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1079 if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");
1080 break;
1081 };
1082
1083 if(mifare_classic_halt(NULL, cuid)) {
1084 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1085 break;
1086 };
1087 };
1088
1089 // write block
1090 if (workFlags & 0x02) {
1091 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1092 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1093 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
1094 break;
1095 };
1096
1097 ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1098 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1099 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");
1100 break;
1101 };
1102 }
1103
1104 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
1105 if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");
1106 break;
1107 };
1108
1109 memcpy(d_block, datain, 16);
1110 AppendCrc14443a(d_block, 16);
1111
1112 ReaderTransmit(d_block, sizeof(d_block), NULL);
1113 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
1114 if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");
1115 break;
1116 };
1117
1118 if (workFlags & 0x04) {
1119 if (mifare_classic_halt(NULL, cuid)) {
1120 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1121 break;
1122 };
1123 }
1124
1125 isOK = 1;
1126 break;
1127 }
1128
1129 LED_B_ON();
1130 cmd_send(CMD_ACK,isOK,0,0,uid,4);
1131 LED_B_OFF();
1132
1133 if ((workFlags & 0x10) || (!isOK)) {
1134 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1135 LEDsoff();
1136 }
1137 }
1138
1139
1140 void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
1141
1142 // params
1143 // bit 1 - need wupC
1144 // bit 2 - need HALT after sequence
1145 // bit 3 - need init FPGA and field before sequence
1146 // bit 4 - need reset FPGA and LED
1147 uint8_t workFlags = arg0;
1148 uint8_t blockNo = arg2;
1149
1150 // card commands
1151 uint8_t wupC1[] = { 0x40 };
1152 uint8_t wupC2[] = { 0x43 };
1153
1154 // variables
1155 byte_t isOK = 0;
1156 uint8_t data[18] = {0x00};
1157 uint32_t cuid = 0;
1158
1159 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1160 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1161
1162 if (workFlags & 0x08) {
1163 LED_A_ON();
1164 LED_B_OFF();
1165 LED_C_OFF();
1166
1167 clear_trace();
1168 set_tracing(TRUE);
1169 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1170 }
1171
1172 while (true) {
1173 if (workFlags & 0x02) {
1174 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1175 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1176 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
1177 break;
1178 };
1179
1180 ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1181 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1182 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");
1183 break;
1184 };
1185 }
1186
1187 // read block
1188 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {
1189 if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");
1190 break;
1191 };
1192 memcpy(data, receivedAnswer, 18);
1193
1194 if (workFlags & 0x04) {
1195 if (mifare_classic_halt(NULL, cuid)) {
1196 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1197 break;
1198 };
1199 }
1200
1201 isOK = 1;
1202 break;
1203 }
1204
1205 LED_B_ON();
1206 cmd_send(CMD_ACK,isOK,0,0,data,18);
1207 LED_B_OFF();
1208
1209 if ((workFlags & 0x10) || (!isOK)) {
1210 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1211 LEDsoff();
1212 }
1213 }
1214
1215 void MifareCIdent(){
1216
1217 // card commands
1218 uint8_t wupC1[] = { 0x40 };
1219 uint8_t wupC2[] = { 0x43 };
1220
1221 // variables
1222 byte_t isOK = 1;
1223
1224 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1225 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1226
1227 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1228 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1229 isOK = 0;
1230 };
1231
1232 ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1233 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1234 isOK = 0;
1235 };
1236
1237 if (mifare_classic_halt(NULL, 0)) {
1238 isOK = 0;
1239 };
1240
1241 cmd_send(CMD_ACK,isOK,0,0,0,0);
1242 }
1243
1244 //
1245 // DESFIRE
1246 //
1247
1248 void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
1249
1250 byte_t dataout[11] = {0x00};
1251 uint8_t uid[10] = {0x00};
1252 uint32_t cuid;
1253
1254 clear_trace();
1255 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1256
1257 int len = iso14443a_select_card(uid, NULL, &cuid);
1258 if(!len) {
1259 if (MF_DBGLEVEL >= MF_DBG_ERROR)
1260 Dbprintf("Can't select card");
1261 //OnError(1);
1262 return;
1263 };
1264
1265 if(mifare_desfire_des_auth1(cuid, dataout)){
1266 if (MF_DBGLEVEL >= MF_DBG_ERROR)
1267 Dbprintf("Authentication part1: Fail.");
1268 //OnError(4);
1269 return;
1270 }
1271
1272 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");
1273
1274 cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));
1275 }
1276
1277 void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
1278
1279 uint32_t cuid = arg0;
1280 uint8_t key[16] = {0x00};
1281 byte_t isOK = 0;
1282 byte_t dataout[12] = {0x00};
1283
1284 memcpy(key, datain, 16);
1285
1286 isOK = mifare_desfire_des_auth2(cuid, key, dataout);
1287
1288 if( isOK) {
1289 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1290 Dbprintf("Authentication part2: Failed");
1291 //OnError(4);
1292 return;
1293 }
1294
1295 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1296 DbpString("AUTH 2 FINISHED");
1297
1298 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));
1299 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1300 LEDsoff();
1301 }
1302
1303 void OnSuccess(){
1304 pcb_blocknum = 0;
1305 ReaderTransmit(deselect_cmd, 3 , NULL);
1306 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1307 LEDsoff();
1308 }
1309
1310 void OnError(uint8_t reason){
1311 pcb_blocknum = 0;
1312 ReaderTransmit(deselect_cmd, 3 , NULL);
1313 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1314 cmd_send(CMD_ACK,0,reason,0,0,0);
1315 LEDsoff();
1316 }
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