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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 // Arg0 = BlockNo,
147 // Arg1 = UsePwd bool
148 // datain = PWD bytes,
149 void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
150 {
151 uint8_t blockNo = arg0;
152 byte_t dataout[16] = {0x00};
153 uint8_t uid[10] = {0x00};
154 uint8_t key[16] = {0x00};
155 bool usePwd = (arg1 == 1);
156
157 LEDsoff();
158 LED_A_ON();
159 clear_trace();
160 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
161
162 int len = iso14443a_select_card(uid, NULL, NULL);
163 if(!len) {
164 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);
165 OnError(1);
166 return;
167 }
168
169 // authenticate here.
170 if ( usePwd ) {
171
172 memcpy(key, datain, 16);
173
174 // 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] );
175 // 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] );
176
177 uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };
178 uint8_t random_b[8] = {0x00};
179 uint8_t enc_random_b[8] = {0x00};
180 uint8_t rnd_ab[16] = {0x00};
181 uint8_t IV[8] = {0x00};
182
183 uint16_t len;
184 uint8_t receivedAnswer[MAX_FRAME_SIZE];
185 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
186
187 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);
188 if (len != 11) {
189 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
190 OnError(1);
191 return;
192 }
193
194 // tag nonce.
195 memcpy(enc_random_b,receivedAnswer+1,8);
196
197 // decrypt nonce.
198 tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );
199 rol(random_b,8);
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 len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);
225 if (len != 11) {
226 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
227 OnError(1);
228 return;
229 }
230
231 uint8_t enc_resp[8] = { 0 };
232 uint8_t resp_random_a[8] = { 0 };
233 memcpy(enc_resp, receivedAnswer+1, 8);
234
235 // decrypt out, in, length, key, iv
236 tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);
237 if ( memcmp(resp_random_a, random_a, 8) != 0 )
238 Dbprintf("failed authentication");
239
240 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
241 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",
242 rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],
243 rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);
244
245 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",
246 rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],
247 rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);
248
249 Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",
250 random_a[0],random_a[1],random_a[2],random_a[3],
251 random_a[4],random_a[5],random_a[6],random_a[7]);
252
253 Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",
254 resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],
255 resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);
256 }
257 }
258
259 if( mifare_ultra_readblock(blockNo, dataout) ) {
260 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");
261 OnError(2);
262 return;
263 }
264
265 if( mifare_ultra_halt() ) {
266 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
267 OnError(3);
268 return;
269 }
270
271 cmd_send(CMD_ACK,1,0,0,dataout,16);
272 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
273 LEDsoff();
274 }
275
276 //-----------------------------------------------------------------------------
277 // Select, Authenticate, Read a MIFARE tag.
278 // read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)
279 //-----------------------------------------------------------------------------
280 void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
281 {
282 // params
283 uint8_t sectorNo = arg0;
284 uint8_t keyType = arg1;
285 uint64_t ui64Key = 0;
286 ui64Key = bytes_to_num(datain, 6);
287
288 // variables
289 byte_t isOK = 0;
290 byte_t dataoutbuf[16 * 16];
291 uint8_t uid[10];
292 uint32_t cuid;
293 struct Crypto1State mpcs = {0, 0};
294 struct Crypto1State *pcs;
295 pcs = &mpcs;
296
297 // clear trace
298 clear_trace();
299
300 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
301
302 LED_A_ON();
303 LED_B_OFF();
304 LED_C_OFF();
305
306 isOK = 1;
307 if(!iso14443a_select_card(uid, NULL, &cuid)) {
308 isOK = 0;
309 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
310 }
311
312
313 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
314 isOK = 0;
315 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
316 }
317
318 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
319 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {
320 isOK = 0;
321 if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);
322 break;
323 }
324 }
325
326 if(mifare_classic_halt(pcs, cuid)) {
327 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
328 }
329
330 // ----------------------------- crypto1 destroy
331 crypto1_destroy(pcs);
332
333 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");
334
335 LED_B_ON();
336 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));
337 LED_B_OFF();
338
339 // Thats it...
340 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
341 LEDsoff();
342 }
343
344 void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
345 {
346 // params
347 uint8_t blockNo = arg0;
348 uint16_t blocks = arg1;
349 bool useKey = (arg2 == 1);
350 int countblocks = 0;
351 uint8_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 // authenticate
366 if ( useKey ) {
367 uint8_t key[16] = {0x00};
368 memcpy(key, datain, 16);
369
370 uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };
371 uint8_t random_b[8] = {0x00};
372 uint8_t enc_random_b[8] = {0x00};
373 uint8_t rnd_ab[16] = {0x00};
374 uint8_t IV[8] = {0x00};
375
376 uint16_t len;
377 uint8_t receivedAnswer[MAX_FRAME_SIZE];
378 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
379
380 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);
381 if (len != 11) {
382 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
383 OnError(1);
384 return;
385 }
386
387 // tag nonce.
388 memcpy(enc_random_b,receivedAnswer+1,8);
389
390 // decrypt nonce.
391 tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );
392 rol(random_b,8);
393 memcpy(rnd_ab ,random_a,8);
394 memcpy(rnd_ab+8,random_b,8);
395
396 // encrypt out, in, length, key, iv
397 tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);
398
399 len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);
400 if (len != 11) {
401 OnError(1);
402 return;
403 }
404
405 uint8_t enc_resp[8] = { 0 };
406 uint8_t resp_random_a[8] = { 0 };
407 memcpy(enc_resp, receivedAnswer+1, 8);
408
409 // decrypt out, in, length, key, iv
410 tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);
411 if ( memcmp(resp_random_a, random_a, 8) != 0 )
412 Dbprintf("failed authentication");
413 }
414
415 for (int i = 0; i < blocks; i++){
416 len = mifare_ultra_readblock(blockNo * 4 + i, dataout + 4 * i);
417
418 if (len) {
419 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);
420 OnError(2);
421 return;
422 } else {
423 countblocks++;
424 }
425 }
426
427 len = mifare_ultra_halt();
428 if (len) {
429 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
430 OnError(3);
431 return;
432 }
433
434 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);
435
436 len = blocks * 4;
437
438 cmd_send(CMD_ACK, 1, len, 0, dataout, len);
439 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
440 LEDsoff();
441 }
442
443 //-----------------------------------------------------------------------------
444 // Select, Authenticate, Write a MIFARE tag.
445 // read block
446 //-----------------------------------------------------------------------------
447 void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
448 {
449 // params
450 uint8_t blockNo = arg0;
451 uint8_t keyType = arg1;
452 uint64_t ui64Key = 0;
453 byte_t blockdata[16];
454
455 ui64Key = bytes_to_num(datain, 6);
456 memcpy(blockdata, datain + 10, 16);
457
458 // variables
459 byte_t isOK = 0;
460 uint8_t uid[10];
461 uint32_t cuid;
462 struct Crypto1State mpcs = {0, 0};
463 struct Crypto1State *pcs;
464 pcs = &mpcs;
465
466 // clear trace
467 clear_trace();
468
469 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
470
471 LED_A_ON();
472 LED_B_OFF();
473 LED_C_OFF();
474
475 while (true) {
476 if(!iso14443a_select_card(uid, NULL, &cuid)) {
477 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
478 break;
479 };
480
481 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
482 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
483 break;
484 };
485
486 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
487 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
488 break;
489 };
490
491 if(mifare_classic_halt(pcs, cuid)) {
492 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
493 break;
494 };
495
496 isOK = 1;
497 break;
498 }
499
500 // ----------------------------- crypto1 destroy
501 crypto1_destroy(pcs);
502
503 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
504
505 LED_B_ON();
506 cmd_send(CMD_ACK,isOK,0,0,0,0);
507 LED_B_OFF();
508
509
510 // Thats it...
511 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
512 LEDsoff();
513 }
514
515 void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
516 {
517 uint8_t blockNo = arg0;
518 byte_t blockdata[16] = {0x00};
519
520 memcpy(blockdata, datain, 16);
521
522 uint8_t uid[10] = {0x00};
523
524 LED_A_ON(); LED_B_OFF(); LED_C_OFF();
525
526 clear_trace();
527 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
528
529 if(!iso14443a_select_card(uid, NULL, NULL)) {
530 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
531 OnError(0);
532 return;
533 };
534
535 if(mifare_ultra_writeblock(blockNo, blockdata)) {
536 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
537 OnError(0);
538 return; };
539
540 if(mifare_ultra_halt()) {
541 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
542 OnError(0);
543 return;
544 };
545
546 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
547
548 cmd_send(CMD_ACK,1,0,0,0,0);
549 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
550 LEDsoff();
551 }
552
553 void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
554 {
555 uint8_t blockNo = arg0;
556 byte_t blockdata[4] = {0x00};
557
558 memcpy(blockdata, datain,4);
559
560 uint8_t uid[10] = {0x00};
561
562 LED_A_ON(); LED_B_OFF(); LED_C_OFF();
563 clear_trace();
564 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
565
566 if(!iso14443a_select_card(uid, NULL, NULL)) {
567 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
568 OnError(0);
569 return;
570 };
571
572 if(mifare_ultra_special_writeblock(blockNo, blockdata)) {
573 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
574 OnError(0);
575 return;
576 };
577
578 if(mifare_ultra_halt()) {
579 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
580 OnError(0);
581 return;
582 };
583
584 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
585
586 cmd_send(CMD_ACK,1,0,0,0,0);
587 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
588 LEDsoff();
589 }
590
591 void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
592
593 uint8_t pwd[16] = {0x00};
594 byte_t blockdata[4] = {0x00};
595
596 memcpy(pwd, datain, 16);
597
598 LED_A_ON(); LED_B_OFF(); LED_C_OFF();
599 clear_trace();
600 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
601
602 if(!iso14443a_select_card(NULL, NULL, NULL)) {
603 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
604 OnError(0);
605 return;
606 };
607
608 blockdata[0] = pwd[7];
609 blockdata[1] = pwd[6];
610 blockdata[2] = pwd[5];
611 blockdata[3] = pwd[4];
612 if(mifare_ultra_special_writeblock( 44, blockdata)) {
613 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
614 OnError(44);
615 return;
616 };
617
618 blockdata[0] = pwd[3];
619 blockdata[1] = pwd[2];
620 blockdata[2] = pwd[1];
621 blockdata[3] = pwd[0];
622 if(mifare_ultra_special_writeblock( 45, blockdata)) {
623 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
624 OnError(45);
625 return;
626 };
627
628 blockdata[0] = pwd[15];
629 blockdata[1] = pwd[14];
630 blockdata[2] = pwd[13];
631 blockdata[3] = pwd[12];
632 if(mifare_ultra_special_writeblock( 46, blockdata)) {
633 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
634 OnError(46);
635 return;
636 };
637
638 blockdata[0] = pwd[11];
639 blockdata[1] = pwd[10];
640 blockdata[2] = pwd[9];
641 blockdata[3] = pwd[8];
642 if(mifare_ultra_special_writeblock( 47, blockdata)) {
643 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
644 OnError(47);
645 return;
646 };
647
648 if(mifare_ultra_halt()) {
649 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
650 OnError(0);
651 return;
652 };
653
654 cmd_send(CMD_ACK,1,0,0,0,0);
655 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
656 LEDsoff();
657 }
658
659 // Return 1 if the nonce is invalid else return 0
660 int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {
661 return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
662 (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
663 (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
664 }
665
666
667 //-----------------------------------------------------------------------------
668 // MIFARE nested authentication.
669 //
670 //-----------------------------------------------------------------------------
671 void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)
672 {
673 // params
674 uint8_t blockNo = arg0 & 0xff;
675 uint8_t keyType = (arg0 >> 8) & 0xff;
676 uint8_t targetBlockNo = arg1 & 0xff;
677 uint8_t targetKeyType = (arg1 >> 8) & 0xff;
678 uint64_t ui64Key = 0;
679
680 ui64Key = bytes_to_num(datain, 6);
681
682 // variables
683 uint16_t rtr, i, j, len;
684 uint16_t davg;
685 static uint16_t dmin, dmax;
686 uint8_t uid[10];
687 uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;
688 uint8_t par[1];
689 uint32_t target_nt[2], target_ks[2];
690
691 uint8_t par_array[4];
692 uint16_t ncount = 0;
693 struct Crypto1State mpcs = {0, 0};
694 struct Crypto1State *pcs;
695 pcs = &mpcs;
696 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
697
698 uint32_t auth1_time, auth2_time;
699 static uint16_t delta_time;
700
701 // free eventually allocated BigBuf memory
702 BigBuf_free();
703 // clear trace
704 clear_trace();
705 set_tracing(false);
706
707 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
708
709 LED_A_ON();
710 LED_C_OFF();
711
712
713 // statistics on nonce distance
714 if (calibrate) { // for first call only. Otherwise reuse previous calibration
715 LED_B_ON();
716 WDT_HIT();
717
718 davg = dmax = 0;
719 dmin = 2000;
720 delta_time = 0;
721
722 for (rtr = 0; rtr < 17; rtr++) {
723
724 // prepare next select. No need to power down the card.
725 if(mifare_classic_halt(pcs, cuid)) {
726 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");
727 rtr--;
728 continue;
729 }
730
731 if(!iso14443a_select_card(uid, NULL, &cuid)) {
732 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");
733 rtr--;
734 continue;
735 };
736
737 auth1_time = 0;
738 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
739 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");
740 rtr--;
741 continue;
742 };
743
744 if (delta_time) {
745 auth2_time = auth1_time + delta_time;
746 } else {
747 auth2_time = 0;
748 }
749 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {
750 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");
751 rtr--;
752 continue;
753 };
754
755 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
756 for (i = 101; i < 1200; i++) {
757 nttmp = prng_successor(nttmp, 1);
758 if (nttmp == nt2) break;
759 }
760
761 if (i != 1200) {
762 if (rtr != 0) {
763 davg += i;
764 dmin = MIN(dmin, i);
765 dmax = MAX(dmax, i);
766 }
767 else {
768 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing
769 }
770 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);
771 }
772 }
773
774 if (rtr <= 1) return;
775
776 davg = (davg + (rtr - 1)/2) / (rtr - 1);
777
778 if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);
779
780 dmin = davg - 2;
781 dmax = davg + 2;
782
783 LED_B_OFF();
784
785 }
786 // -------------------------------------------------------------------------------------------------
787
788 LED_C_ON();
789
790 // get crypted nonces for target sector
791 for(i=0; i < 2; i++) { // look for exactly two different nonces
792
793 target_nt[i] = 0;
794 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce
795
796 // prepare next select. No need to power down the card.
797 if(mifare_classic_halt(pcs, cuid)) {
798 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");
799 continue;
800 }
801
802 if(!iso14443a_select_card(uid, NULL, &cuid)) {
803 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");
804 continue;
805 };
806
807 auth1_time = 0;
808 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
809 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");
810 continue;
811 };
812
813 // nested authentication
814 auth2_time = auth1_time + delta_time;
815 len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);
816 if (len != 4) {
817 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);
818 continue;
819 };
820
821 nt2 = bytes_to_num(receivedAnswer, 4);
822 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);
823
824 // Parity validity check
825 for (j = 0; j < 4; j++) {
826 par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));
827 }
828
829 ncount = 0;
830 nttest = prng_successor(nt1, dmin - 1);
831 for (j = dmin; j < dmax + 1; j++) {
832 nttest = prng_successor(nttest, 1);
833 ks1 = nt2 ^ nttest;
834
835 if (valid_nonce(nttest, nt2, ks1, par_array)){
836 if (ncount > 0) { // we are only interested in disambiguous nonces, try again
837 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);
838 target_nt[i] = 0;
839 break;
840 }
841 target_nt[i] = nttest;
842 target_ks[i] = ks1;
843 ncount++;
844 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces
845 target_nt[i] = 0;
846 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);
847 break;
848 }
849 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);
850 }
851 }
852 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);
853 }
854 }
855
856 LED_C_OFF();
857
858 // ----------------------------- crypto1 destroy
859 crypto1_destroy(pcs);
860
861 byte_t buf[4 + 4 * 4];
862 memcpy(buf, &cuid, 4);
863 memcpy(buf+4, &target_nt[0], 4);
864 memcpy(buf+8, &target_ks[0], 4);
865 memcpy(buf+12, &target_nt[1], 4);
866 memcpy(buf+16, &target_ks[1], 4);
867
868 LED_B_ON();
869 cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));
870 LED_B_OFF();
871
872 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");
873
874 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
875 LEDsoff();
876 set_tracing(TRUE);
877 }
878
879 //-----------------------------------------------------------------------------
880 // MIFARE check keys. key count up to 85.
881 //
882 //-----------------------------------------------------------------------------
883 void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
884 {
885 // params
886 uint8_t blockNo = arg0;
887 uint8_t keyType = arg1;
888 uint8_t keyCount = arg2;
889 uint64_t ui64Key = 0;
890
891 // variables
892 int i;
893 byte_t isOK = 0;
894 uint8_t uid[10];
895 uint32_t cuid;
896 struct Crypto1State mpcs = {0, 0};
897 struct Crypto1State *pcs;
898 pcs = &mpcs;
899
900 // clear debug level
901 int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
902 MF_DBGLEVEL = MF_DBG_NONE;
903
904 // clear trace
905 clear_trace();
906 set_tracing(TRUE);
907
908 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
909
910 LED_A_ON();
911 LED_B_OFF();
912 LED_C_OFF();
913
914 for (i = 0; i < keyCount; i++) {
915 if(mifare_classic_halt(pcs, cuid)) {
916 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");
917 }
918
919 if(!iso14443a_select_card(uid, NULL, &cuid)) {
920 if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");
921 break;
922 };
923
924 ui64Key = bytes_to_num(datain + i * 6, 6);
925 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
926 continue;
927 };
928
929 isOK = 1;
930 break;
931 }
932
933 // ----------------------------- crypto1 destroy
934 crypto1_destroy(pcs);
935
936 LED_B_ON();
937 cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
938 LED_B_OFF();
939
940 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
941 LEDsoff();
942
943 // restore debug level
944 MF_DBGLEVEL = OLD_MF_DBGLEVEL;
945 }
946
947 //-----------------------------------------------------------------------------
948 // MIFARE commands set debug level
949 //
950 //-----------------------------------------------------------------------------
951 void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
952 MF_DBGLEVEL = arg0;
953 Dbprintf("Debug level: %d", MF_DBGLEVEL);
954 }
955
956 //-----------------------------------------------------------------------------
957 // Work with emulator memory
958 //
959 //-----------------------------------------------------------------------------
960 void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
961 emlClearMem();
962 }
963
964 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
965 emlSetMem(datain, arg0, arg1); // data, block num, blocks count
966 }
967
968 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
969 byte_t buf[USB_CMD_DATA_SIZE];
970 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)
971
972 LED_B_ON();
973 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);
974 LED_B_OFF();
975 }
976
977 //-----------------------------------------------------------------------------
978 // Load a card into the emulator memory
979 //
980 //-----------------------------------------------------------------------------
981 void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
982 uint8_t numSectors = arg0;
983 uint8_t keyType = arg1;
984 uint64_t ui64Key = 0;
985 uint32_t cuid;
986 struct Crypto1State mpcs = {0, 0};
987 struct Crypto1State *pcs;
988 pcs = &mpcs;
989
990 // variables
991 byte_t dataoutbuf[16];
992 byte_t dataoutbuf2[16];
993 uint8_t uid[10];
994
995 // clear trace
996 clear_trace();
997 set_tracing(false);
998
999 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1000
1001 LED_A_ON();
1002 LED_B_OFF();
1003 LED_C_OFF();
1004
1005 bool isOK = true;
1006
1007 if(!iso14443a_select_card(uid, NULL, &cuid)) {
1008 isOK = false;
1009 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
1010 }
1011
1012 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
1013 ui64Key = emlGetKey(sectorNo, keyType);
1014 if (sectorNo == 0){
1015 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
1016 isOK = false;
1017 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);
1018 break;
1019 }
1020 } else {
1021 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {
1022 isOK = false;
1023 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);
1024 break;
1025 }
1026 }
1027
1028 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
1029 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {
1030 isOK = false;
1031 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);
1032 break;
1033 };
1034 if (isOK) {
1035 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {
1036 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);
1037 } else { // sector trailer, keep the keys, set only the AC
1038 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
1039 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
1040 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
1041 }
1042 }
1043 }
1044
1045 }
1046
1047 if(mifare_classic_halt(pcs, cuid)) {
1048 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1049 };
1050
1051 // ----------------------------- crypto1 destroy
1052 crypto1_destroy(pcs);
1053
1054 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1055 LEDsoff();
1056
1057 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");
1058
1059 }
1060
1061
1062 //-----------------------------------------------------------------------------
1063 // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
1064 //
1065 //-----------------------------------------------------------------------------
1066 void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
1067
1068 // params
1069 uint8_t needWipe = arg0;
1070 // bit 0 - need get UID
1071 // bit 1 - need wupC
1072 // bit 2 - need HALT after sequence
1073 // bit 3 - need init FPGA and field before sequence
1074 // bit 4 - need reset FPGA and LED
1075 uint8_t workFlags = arg1;
1076 uint8_t blockNo = arg2;
1077
1078 // card commands
1079 uint8_t wupC1[] = { 0x40 };
1080 uint8_t wupC2[] = { 0x43 };
1081 uint8_t wipeC[] = { 0x41 };
1082
1083 // variables
1084 byte_t isOK = 0;
1085 uint8_t uid[10] = {0x00};
1086 uint8_t d_block[18] = {0x00};
1087 uint32_t cuid;
1088
1089 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1090 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1091
1092 // reset FPGA and LED
1093 if (workFlags & 0x08) {
1094 LED_A_ON();
1095 LED_B_OFF();
1096 LED_C_OFF();
1097
1098 clear_trace();
1099 set_tracing(TRUE);
1100 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1101 }
1102
1103 while (true) {
1104
1105 // get UID from chip
1106 if (workFlags & 0x01) {
1107 if(!iso14443a_select_card(uid, NULL, &cuid)) {
1108 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
1109 break;
1110 };
1111
1112 if(mifare_classic_halt(NULL, cuid)) {
1113 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1114 break;
1115 };
1116 };
1117
1118 // reset chip
1119 if (needWipe){
1120 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1121 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1122 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
1123 break;
1124 };
1125
1126 ReaderTransmit(wipeC, sizeof(wipeC), NULL);
1127 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1128 if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");
1129 break;
1130 };
1131
1132 if(mifare_classic_halt(NULL, cuid)) {
1133 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1134 break;
1135 };
1136 };
1137
1138 // write block
1139 if (workFlags & 0x02) {
1140 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1141 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1142 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
1143 break;
1144 };
1145
1146 ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1147 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1148 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");
1149 break;
1150 };
1151 }
1152
1153 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
1154 if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");
1155 break;
1156 };
1157
1158 memcpy(d_block, datain, 16);
1159 AppendCrc14443a(d_block, 16);
1160
1161 ReaderTransmit(d_block, sizeof(d_block), NULL);
1162 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
1163 if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");
1164 break;
1165 };
1166
1167 if (workFlags & 0x04) {
1168 if (mifare_classic_halt(NULL, cuid)) {
1169 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1170 break;
1171 };
1172 }
1173
1174 isOK = 1;
1175 break;
1176 }
1177
1178 LED_B_ON();
1179 cmd_send(CMD_ACK,isOK,0,0,uid,4);
1180 LED_B_OFF();
1181
1182 if ((workFlags & 0x10) || (!isOK)) {
1183 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1184 LEDsoff();
1185 }
1186 }
1187
1188
1189 void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
1190
1191 // params
1192 // bit 1 - need wupC
1193 // bit 2 - need HALT after sequence
1194 // bit 3 - need init FPGA and field before sequence
1195 // bit 4 - need reset FPGA and LED
1196 uint8_t workFlags = arg0;
1197 uint8_t blockNo = arg2;
1198
1199 // card commands
1200 uint8_t wupC1[] = { 0x40 };
1201 uint8_t wupC2[] = { 0x43 };
1202
1203 // variables
1204 byte_t isOK = 0;
1205 uint8_t data[18] = {0x00};
1206 uint32_t cuid = 0;
1207
1208 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1209 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1210
1211 if (workFlags & 0x08) {
1212 LED_A_ON();
1213 LED_B_OFF();
1214 LED_C_OFF();
1215
1216 clear_trace();
1217 set_tracing(TRUE);
1218 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1219 }
1220
1221 while (true) {
1222 if (workFlags & 0x02) {
1223 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1224 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1225 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
1226 break;
1227 };
1228
1229 ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1230 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1231 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");
1232 break;
1233 };
1234 }
1235
1236 // read block
1237 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {
1238 if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");
1239 break;
1240 };
1241 memcpy(data, receivedAnswer, 18);
1242
1243 if (workFlags & 0x04) {
1244 if (mifare_classic_halt(NULL, cuid)) {
1245 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1246 break;
1247 };
1248 }
1249
1250 isOK = 1;
1251 break;
1252 }
1253
1254 LED_B_ON();
1255 cmd_send(CMD_ACK,isOK,0,0,data,18);
1256 LED_B_OFF();
1257
1258 if ((workFlags & 0x10) || (!isOK)) {
1259 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1260 LEDsoff();
1261 }
1262 }
1263
1264 void MifareCIdent(){
1265
1266 // card commands
1267 uint8_t wupC1[] = { 0x40 };
1268 uint8_t wupC2[] = { 0x43 };
1269
1270 // variables
1271 byte_t isOK = 1;
1272
1273 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1274 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1275
1276 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1277 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1278 isOK = 0;
1279 };
1280
1281 ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1282 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1283 isOK = 0;
1284 };
1285
1286 if (mifare_classic_halt(NULL, 0)) {
1287 isOK = 0;
1288 };
1289
1290 cmd_send(CMD_ACK,isOK,0,0,0,0);
1291 }
1292
1293 //
1294 // DESFIRE
1295 //
1296
1297 void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
1298
1299 byte_t dataout[11] = {0x00};
1300 uint8_t uid[10] = {0x00};
1301 uint32_t cuid;
1302
1303 clear_trace();
1304 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1305
1306 int len = iso14443a_select_card(uid, NULL, &cuid);
1307 if(!len) {
1308 if (MF_DBGLEVEL >= MF_DBG_ERROR)
1309 Dbprintf("Can't select card");
1310 //OnError(1);
1311 return;
1312 };
1313
1314 if(mifare_desfire_des_auth1(cuid, dataout)){
1315 if (MF_DBGLEVEL >= MF_DBG_ERROR)
1316 Dbprintf("Authentication part1: Fail.");
1317 //OnError(4);
1318 return;
1319 }
1320
1321 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");
1322
1323 cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));
1324 }
1325
1326 void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
1327
1328 uint32_t cuid = arg0;
1329 uint8_t key[16] = {0x00};
1330 byte_t isOK = 0;
1331 byte_t dataout[12] = {0x00};
1332
1333 memcpy(key, datain, 16);
1334
1335 isOK = mifare_desfire_des_auth2(cuid, key, dataout);
1336
1337 if( isOK) {
1338 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1339 Dbprintf("Authentication part2: Failed");
1340 //OnError(4);
1341 return;
1342 }
1343
1344 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1345 DbpString("AUTH 2 FINISHED");
1346
1347 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));
1348 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1349 LEDsoff();
1350 }
1351
1352 void OnSuccess(){
1353 pcb_blocknum = 0;
1354 ReaderTransmit(deselect_cmd, 3 , NULL);
1355 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1356 LEDsoff();
1357 }
1358
1359 void OnError(uint8_t reason){
1360 pcb_blocknum = 0;
1361 ReaderTransmit(deselect_cmd, 3 , NULL);
1362 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1363 cmd_send(CMD_ACK,0,reason,0,0,0);
1364 LEDsoff();
1365 }
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