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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 "crc.h"
21
22 //-----------------------------------------------------------------------------
23 // Select, Authenticate, Read a MIFARE tag.
24 // read block
25 //-----------------------------------------------------------------------------
26 void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
27 {
28 // params
29 uint8_t blockNo = arg0;
30 uint8_t keyType = arg1;
31 uint64_t ui64Key = 0;
32 ui64Key = bytes_to_num(datain, 6);
33
34 // variables
35 byte_t isOK = 0;
36 byte_t dataoutbuf[16];
37 uint8_t uid[10];
38 uint32_t cuid;
39 struct Crypto1State mpcs = {0, 0};
40 struct Crypto1State *pcs;
41 pcs = &mpcs;
42
43 // clear trace
44 iso14a_clear_trace();
45 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
46
47 LED_A_ON();
48 LED_B_OFF();
49 LED_C_OFF();
50
51 while (true) {
52 if(!iso14443a_select_card(uid, NULL, &cuid)) {
53 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
54 break;
55 };
56
57 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
58 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
59 break;
60 };
61
62 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {
63 if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");
64 break;
65 };
66
67 if(mifare_classic_halt(pcs, cuid)) {
68 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
69 break;
70 };
71
72 isOK = 1;
73 break;
74 }
75
76 // ----------------------------- crypto1 destroy
77 crypto1_destroy(pcs);
78
79 if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");
80
81 LED_B_ON();
82 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
83 LED_B_OFF();
84
85 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
86 LEDsoff();
87 }
88
89
90 void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){
91
92 byte_t isOK = 0;
93 byte_t dataoutbuf[16] = {0x00};
94 uint8_t uid[10] = {0x00};
95 uint32_t cuid;
96
97 LED_A_ON();
98 LED_B_OFF();
99 LED_C_OFF();
100
101 iso14a_clear_trace();
102 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
103
104 if(!iso14443a_select_card(uid, NULL, &cuid)) {
105 if (MF_DBGLEVEL >= MF_DBG_ERROR)
106 Dbprintf("Can't select card");
107 //OnError(0);
108 return;
109 };
110
111 if(mifare_ultra_auth1(cuid, dataoutbuf)){
112 if (MF_DBGLEVEL >= MF_DBG_ERROR)
113 Dbprintf("Authentication part1: Fail.");
114 //OnError(1);
115 return;
116 }
117
118 isOK = 1;
119 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
120 DbpString("AUTH 1 FINISHED");
121
122 cmd_send(CMD_ACK,isOK,cuid,0,dataoutbuf,11);
123 LEDsoff();
124 }
125 void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){
126
127 uint32_t cuid = arg0;
128 uint8_t key[16] = {0x00};
129 byte_t isOK = 0;
130 byte_t dataoutbuf[16] = {0x00};
131
132 memcpy(key, datain, 16);
133
134 LED_A_ON();
135 LED_B_OFF();
136 LED_C_OFF();
137
138 if(mifare_ultra_auth2(cuid, key, dataoutbuf)){
139 if (MF_DBGLEVEL >= MF_DBG_ERROR)
140 Dbprintf("Authentication part2: Fail...");
141 //OnError(1);
142 return;
143 }
144
145 isOK = 1;
146 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
147 DbpString("AUTH 2 FINISHED");
148
149 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,11);
150 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
151 LEDsoff();
152 }
153
154 void MifareUReadBlock(uint8_t arg0,uint8_t *datain)
155 {
156 uint8_t blockNo = arg0;
157 byte_t dataout[16] = {0x00};
158 uint8_t uid[10] = {0x00};
159 uint32_t cuid;
160
161 LED_A_ON();
162 LED_B_OFF();
163 LED_C_OFF();
164
165 iso14a_clear_trace();
166 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
167
168 int len = iso14443a_select_card(uid, NULL, &cuid);
169 if(!len) {
170 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");
171 //OnError(1);
172 return;
173 };
174
175 len = mifare_ultra_readblock(cuid, blockNo, dataout);
176 if(len) {
177 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");
178 //OnError(2);
179 return;
180 };
181
182 len = mifare_ultra_halt(cuid);
183 if(len) {
184 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
185 //OnError(3);
186 return;
187 };
188
189 cmd_send(CMD_ACK,1,0,0,dataout,16);
190 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
191 LEDsoff();
192 }
193
194 //-----------------------------------------------------------------------------
195 // Select, Authenticate, Read a MIFARE tag.
196 // read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)
197 //-----------------------------------------------------------------------------
198 void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
199 {
200 // params
201 uint8_t sectorNo = arg0;
202 uint8_t keyType = arg1;
203 uint64_t ui64Key = 0;
204 ui64Key = bytes_to_num(datain, 6);
205
206 // variables
207 byte_t isOK = 0;
208 byte_t dataoutbuf[16 * 16];
209 uint8_t uid[10];
210 uint32_t cuid;
211 struct Crypto1State mpcs = {0, 0};
212 struct Crypto1State *pcs;
213 pcs = &mpcs;
214
215 // clear trace
216 iso14a_clear_trace();
217
218 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
219
220 LED_A_ON();
221 LED_B_OFF();
222 LED_C_OFF();
223
224 isOK = 1;
225 if(!iso14443a_select_card(uid, NULL, &cuid)) {
226 isOK = 0;
227 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
228 }
229
230
231 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
232 isOK = 0;
233 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
234 }
235
236 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
237 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {
238 isOK = 0;
239 if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);
240 break;
241 }
242 }
243
244 if(mifare_classic_halt(pcs, cuid)) {
245 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
246 }
247
248 // ----------------------------- crypto1 destroy
249 crypto1_destroy(pcs);
250
251 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");
252
253 LED_B_ON();
254 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));
255 LED_B_OFF();
256
257 // Thats it...
258 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
259 LEDsoff();
260 }
261
262 void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)
263 {
264 // params
265 uint8_t sectorNo = arg0;
266 int Pages = arg1;
267 int count_Pages = 0;
268 byte_t dataout[176] = {0x00};;
269 uint8_t uid[10] = {0x00};
270 uint32_t cuid;
271
272 LED_A_ON();
273 LED_B_OFF();
274 LED_C_OFF();
275
276 if (MF_DBGLEVEL >= MF_DBG_ALL)
277 Dbprintf("Pages %d",Pages);
278
279 iso14a_clear_trace();
280 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
281
282 int len = iso14443a_select_card(uid, NULL, &cuid);
283
284 if (!len) {
285 if (MF_DBGLEVEL >= MF_DBG_ERROR)
286 Dbprintf("Can't select card");
287 //OnError(1);
288 return;
289 }
290
291 for (int i = 0; i < Pages; i++){
292
293 len = mifare_ultra_readblock(cuid, sectorNo * 4 + i, dataout + 4 * i);
294
295 if (len) {
296 if (MF_DBGLEVEL >= MF_DBG_ERROR)
297 Dbprintf("Read block %d error",i);
298 //OnError(2);
299 return;
300 } else {
301 count_Pages++;
302 }
303 }
304
305 len = mifare_ultra_halt(cuid);
306 if (len) {
307 if (MF_DBGLEVEL >= MF_DBG_ERROR)
308 Dbprintf("Halt error");
309 //OnError(3);
310 return;
311 }
312
313 if (MF_DBGLEVEL >= MF_DBG_ALL) {
314 Dbprintf("Pages read %d", count_Pages);
315 }
316
317 len = 16*4; //64 bytes
318
319 // Read a UL-C
320 if (Pages == 44 && count_Pages > 16)
321 len = 176;
322
323 cmd_send(CMD_ACK, 1, 0, 0, dataout, len);
324 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
325 LEDsoff();
326 }
327
328
329 //-----------------------------------------------------------------------------
330 // Select, Authenticate, Write a MIFARE tag.
331 // read block
332 //-----------------------------------------------------------------------------
333 void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
334 {
335 // params
336 uint8_t blockNo = arg0;
337 uint8_t keyType = arg1;
338 uint64_t ui64Key = 0;
339 byte_t blockdata[16];
340
341 ui64Key = bytes_to_num(datain, 6);
342 memcpy(blockdata, datain + 10, 16);
343
344 // variables
345 byte_t isOK = 0;
346 uint8_t uid[10];
347 uint32_t cuid;
348 struct Crypto1State mpcs = {0, 0};
349 struct Crypto1State *pcs;
350 pcs = &mpcs;
351
352 // clear trace
353 iso14a_clear_trace();
354
355 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
356
357 LED_A_ON();
358 LED_B_OFF();
359 LED_C_OFF();
360
361 while (true) {
362 if(!iso14443a_select_card(uid, NULL, &cuid)) {
363 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
364 break;
365 };
366
367 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
368 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
369 break;
370 };
371
372 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
373 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
374 break;
375 };
376
377 if(mifare_classic_halt(pcs, cuid)) {
378 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
379 break;
380 };
381
382 isOK = 1;
383 break;
384 }
385
386 // ----------------------------- crypto1 destroy
387 crypto1_destroy(pcs);
388
389 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
390
391 LED_B_ON();
392 cmd_send(CMD_ACK,isOK,0,0,0,0);
393 LED_B_OFF();
394
395
396 // Thats it...
397 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
398 LEDsoff();
399 }
400
401 void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
402 {
403 // params
404 uint8_t blockNo = arg0;
405 byte_t blockdata[16] = {0x00};
406
407 memcpy(blockdata, datain,16);
408
409 // variables
410 byte_t isOK = 0;
411 uint8_t uid[10] = {0x00};
412 uint32_t cuid;
413
414 iso14a_clear_trace();
415 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
416
417 LED_A_ON();
418 LED_B_OFF();
419 LED_C_OFF();
420
421 while (true) {
422 if(!iso14443a_select_card(uid, NULL, &cuid)) {
423 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
424 break;
425 };
426
427 if(mifare_ultra_writeblock(cuid, blockNo, blockdata)) {
428 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
429 break;
430 };
431
432 if(mifare_ultra_halt(cuid)) {
433 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
434 break;
435 };
436
437 isOK = 1;
438 break;
439 }
440
441 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
442
443 cmd_send(CMD_ACK,isOK,0,0,0,0);
444 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
445 LEDsoff();
446 }
447
448 void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
449 {
450 // params
451 uint8_t blockNo = arg0;
452 byte_t blockdata[4] = {0x00};
453
454 memcpy(blockdata, datain,4);
455
456 // variables
457 byte_t isOK = 0;
458 uint8_t uid[10] = {0x00};
459 uint32_t cuid;
460
461 iso14a_clear_trace();
462 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
463
464 LED_A_ON();
465 LED_B_OFF();
466 LED_C_OFF();
467
468 while (true) {
469 if(!iso14443a_select_card(uid, NULL, &cuid)) {
470 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
471 break;
472 };
473
474 if(mifare_ultra_special_writeblock(cuid, blockNo, blockdata)) {
475 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
476 break;
477 };
478
479 if(mifare_ultra_halt(cuid)) {
480 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
481 break;
482 };
483
484 isOK = 1;
485 break;
486 }
487
488 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
489
490 cmd_send(CMD_ACK,isOK,0,0,0,0);
491 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
492 LEDsoff();
493 }
494
495 // Return 1 if the nonce is invalid else return 0
496 int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {
497 return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
498 (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
499 (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
500 }
501
502
503 //-----------------------------------------------------------------------------
504 // MIFARE nested authentication.
505 //
506 //-----------------------------------------------------------------------------
507 void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)
508 {
509 // params
510 uint8_t blockNo = arg0 & 0xff;
511 uint8_t keyType = (arg0 >> 8) & 0xff;
512 uint8_t targetBlockNo = arg1 & 0xff;
513 uint8_t targetKeyType = (arg1 >> 8) & 0xff;
514 uint64_t ui64Key = 0;
515
516 ui64Key = bytes_to_num(datain, 6);
517
518 // variables
519 uint16_t rtr, i, j, len;
520 uint16_t davg;
521 static uint16_t dmin, dmax;
522 uint8_t uid[10];
523 uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;
524 uint8_t par[1];
525 uint32_t target_nt[2], target_ks[2];
526
527 uint8_t par_array[4];
528 uint16_t ncount = 0;
529 struct Crypto1State mpcs = {0, 0};
530 struct Crypto1State *pcs;
531 pcs = &mpcs;
532 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
533
534 uint32_t auth1_time, auth2_time;
535 static uint16_t delta_time;
536
537 // free eventually allocated BigBuf memory
538 BigBuf_free();
539 // clear trace
540 iso14a_clear_trace();
541 iso14a_set_tracing(false);
542
543 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
544
545 LED_A_ON();
546 LED_C_OFF();
547
548
549 // statistics on nonce distance
550 if (calibrate) { // for first call only. Otherwise reuse previous calibration
551 LED_B_ON();
552 WDT_HIT();
553
554 davg = dmax = 0;
555 dmin = 2000;
556 delta_time = 0;
557
558 for (rtr = 0; rtr < 17; rtr++) {
559
560 // prepare next select. No need to power down the card.
561 if(mifare_classic_halt(pcs, cuid)) {
562 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");
563 rtr--;
564 continue;
565 }
566
567 if(!iso14443a_select_card(uid, NULL, &cuid)) {
568 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");
569 rtr--;
570 continue;
571 };
572
573 auth1_time = 0;
574 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
575 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");
576 rtr--;
577 continue;
578 };
579
580 if (delta_time) {
581 auth2_time = auth1_time + delta_time;
582 } else {
583 auth2_time = 0;
584 }
585 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {
586 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");
587 rtr--;
588 continue;
589 };
590
591 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
592 for (i = 101; i < 1200; i++) {
593 nttmp = prng_successor(nttmp, 1);
594 if (nttmp == nt2) break;
595 }
596
597 if (i != 1200) {
598 if (rtr != 0) {
599 davg += i;
600 dmin = MIN(dmin, i);
601 dmax = MAX(dmax, i);
602 }
603 else {
604 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing
605 }
606 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);
607 }
608 }
609
610 if (rtr <= 1) return;
611
612 davg = (davg + (rtr - 1)/2) / (rtr - 1);
613
614 if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);
615
616 dmin = davg - 2;
617 dmax = davg + 2;
618
619 LED_B_OFF();
620
621 }
622 // -------------------------------------------------------------------------------------------------
623
624 LED_C_ON();
625
626 // get crypted nonces for target sector
627 for(i=0; i < 2; i++) { // look for exactly two different nonces
628
629 target_nt[i] = 0;
630 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce
631
632 // prepare next select. No need to power down the card.
633 if(mifare_classic_halt(pcs, cuid)) {
634 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");
635 continue;
636 }
637
638 if(!iso14443a_select_card(uid, NULL, &cuid)) {
639 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");
640 continue;
641 };
642
643 auth1_time = 0;
644 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
645 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");
646 continue;
647 };
648
649 // nested authentication
650 auth2_time = auth1_time + delta_time;
651 len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);
652 if (len != 4) {
653 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);
654 continue;
655 };
656
657 nt2 = bytes_to_num(receivedAnswer, 4);
658 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);
659
660 // Parity validity check
661 for (j = 0; j < 4; j++) {
662 par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));
663 }
664
665 ncount = 0;
666 nttest = prng_successor(nt1, dmin - 1);
667 for (j = dmin; j < dmax + 1; j++) {
668 nttest = prng_successor(nttest, 1);
669 ks1 = nt2 ^ nttest;
670
671 if (valid_nonce(nttest, nt2, ks1, par_array)){
672 if (ncount > 0) { // we are only interested in disambiguous nonces, try again
673 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);
674 target_nt[i] = 0;
675 break;
676 }
677 target_nt[i] = nttest;
678 target_ks[i] = ks1;
679 ncount++;
680 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces
681 target_nt[i] = 0;
682 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);
683 break;
684 }
685 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);
686 }
687 }
688 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);
689 }
690 }
691
692 LED_C_OFF();
693
694 // ----------------------------- crypto1 destroy
695 crypto1_destroy(pcs);
696
697 byte_t buf[4 + 4 * 4];
698 memcpy(buf, &cuid, 4);
699 memcpy(buf+4, &target_nt[0], 4);
700 memcpy(buf+8, &target_ks[0], 4);
701 memcpy(buf+12, &target_nt[1], 4);
702 memcpy(buf+16, &target_ks[1], 4);
703
704 LED_B_ON();
705 cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));
706 LED_B_OFF();
707
708 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");
709
710 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
711 LEDsoff();
712 iso14a_set_tracing(TRUE);
713 }
714
715 //-----------------------------------------------------------------------------
716 // MIFARE check keys. key count up to 85.
717 //
718 //-----------------------------------------------------------------------------
719 void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
720 {
721 // params
722 uint8_t blockNo = arg0;
723 uint8_t keyType = arg1;
724 uint8_t keyCount = arg2;
725 uint64_t ui64Key = 0;
726
727 // variables
728 int i;
729 byte_t isOK = 0;
730 uint8_t uid[10];
731 uint32_t cuid;
732 struct Crypto1State mpcs = {0, 0};
733 struct Crypto1State *pcs;
734 pcs = &mpcs;
735
736 // clear debug level
737 int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
738 MF_DBGLEVEL = MF_DBG_NONE;
739
740 // clear trace
741 iso14a_clear_trace();
742 iso14a_set_tracing(TRUE);
743
744 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
745
746 LED_A_ON();
747 LED_B_OFF();
748 LED_C_OFF();
749
750 for (i = 0; i < keyCount; i++) {
751 if(mifare_classic_halt(pcs, cuid)) {
752 if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");
753 }
754
755 if(!iso14443a_select_card(uid, NULL, &cuid)) {
756 if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");
757 break;
758 };
759
760 ui64Key = bytes_to_num(datain + i * 6, 6);
761 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
762 continue;
763 };
764
765 isOK = 1;
766 break;
767 }
768
769 // ----------------------------- crypto1 destroy
770 crypto1_destroy(pcs);
771
772 LED_B_ON();
773 cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
774 LED_B_OFF();
775
776 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
777 LEDsoff();
778
779 // restore debug level
780 MF_DBGLEVEL = OLD_MF_DBGLEVEL;
781 }
782
783 //-----------------------------------------------------------------------------
784 // MIFARE commands set debug level
785 //
786 //-----------------------------------------------------------------------------
787 void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
788 MF_DBGLEVEL = arg0;
789 Dbprintf("Debug level: %d", MF_DBGLEVEL);
790 }
791
792 //-----------------------------------------------------------------------------
793 // Work with emulator memory
794 //
795 //-----------------------------------------------------------------------------
796 void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
797 emlClearMem();
798 }
799
800 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
801 emlSetMem(datain, arg0, arg1); // data, block num, blocks count
802 }
803
804 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
805 byte_t buf[USB_CMD_DATA_SIZE];
806 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)
807
808 LED_B_ON();
809 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);
810 LED_B_OFF();
811 }
812
813 //-----------------------------------------------------------------------------
814 // Load a card into the emulator memory
815 //
816 //-----------------------------------------------------------------------------
817 void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
818 uint8_t numSectors = arg0;
819 uint8_t keyType = arg1;
820 uint64_t ui64Key = 0;
821 uint32_t cuid;
822 struct Crypto1State mpcs = {0, 0};
823 struct Crypto1State *pcs;
824 pcs = &mpcs;
825
826 // variables
827 byte_t dataoutbuf[16];
828 byte_t dataoutbuf2[16];
829 uint8_t uid[10];
830
831 // clear trace
832 iso14a_clear_trace();
833 iso14a_set_tracing(false);
834
835 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
836
837 LED_A_ON();
838 LED_B_OFF();
839 LED_C_OFF();
840
841 bool isOK = true;
842
843 if(!iso14443a_select_card(uid, NULL, &cuid)) {
844 isOK = false;
845 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
846 }
847
848 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
849 ui64Key = emlGetKey(sectorNo, keyType);
850 if (sectorNo == 0){
851 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
852 isOK = false;
853 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);
854 break;
855 }
856 } else {
857 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {
858 isOK = false;
859 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);
860 break;
861 }
862 }
863
864 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
865 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {
866 isOK = false;
867 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);
868 break;
869 };
870 if (isOK) {
871 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {
872 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);
873 } else { // sector trailer, keep the keys, set only the AC
874 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
875 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
876 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
877 }
878 }
879 }
880
881 }
882
883 if(mifare_classic_halt(pcs, cuid)) {
884 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
885 };
886
887 // ----------------------------- crypto1 destroy
888 crypto1_destroy(pcs);
889
890 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
891 LEDsoff();
892
893 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");
894
895 }
896
897
898 //-----------------------------------------------------------------------------
899 // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
900 //
901 //-----------------------------------------------------------------------------
902 void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
903
904 // params
905 uint8_t needWipe = arg0;
906 // bit 0 - need get UID
907 // bit 1 - need wupC
908 // bit 2 - need HALT after sequence
909 // bit 3 - need init FPGA and field before sequence
910 // bit 4 - need reset FPGA and LED
911 uint8_t workFlags = arg1;
912 uint8_t blockNo = arg2;
913
914 // card commands
915 uint8_t wupC1[] = { 0x40 };
916 uint8_t wupC2[] = { 0x43 };
917 uint8_t wipeC[] = { 0x41 };
918
919 // variables
920 byte_t isOK = 0;
921 uint8_t uid[10] = {0x00};
922 uint8_t d_block[18] = {0x00};
923 uint32_t cuid;
924
925 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
926 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
927
928 // reset FPGA and LED
929 if (workFlags & 0x08) {
930 LED_A_ON();
931 LED_B_OFF();
932 LED_C_OFF();
933
934 iso14a_clear_trace();
935 iso14a_set_tracing(TRUE);
936 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
937 }
938
939 while (true) {
940
941 // get UID from chip
942 if (workFlags & 0x01) {
943 if(!iso14443a_select_card(uid, NULL, &cuid)) {
944 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
945 break;
946 };
947
948 if(mifare_classic_halt(NULL, cuid)) {
949 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
950 break;
951 };
952 };
953
954 // reset chip
955 if (needWipe){
956 ReaderTransmitBitsPar(wupC1,7,0, NULL);
957 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
958 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
959 break;
960 };
961
962 ReaderTransmit(wipeC, sizeof(wipeC), NULL);
963 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
964 if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");
965 break;
966 };
967
968 if(mifare_classic_halt(NULL, cuid)) {
969 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
970 break;
971 };
972 };
973
974 // write block
975 if (workFlags & 0x02) {
976 ReaderTransmitBitsPar(wupC1,7,0, NULL);
977 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
978 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
979 break;
980 };
981
982 ReaderTransmit(wupC2, sizeof(wupC2), NULL);
983 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
984 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");
985 break;
986 };
987 }
988
989 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
990 if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");
991 break;
992 };
993
994 memcpy(d_block, datain, 16);
995 AppendCrc14443a(d_block, 16);
996
997 ReaderTransmit(d_block, sizeof(d_block), NULL);
998 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
999 if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");
1000 break;
1001 };
1002
1003 if (workFlags & 0x04) {
1004 if (mifare_classic_halt(NULL, cuid)) {
1005 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1006 break;
1007 };
1008 }
1009
1010 isOK = 1;
1011 break;
1012 }
1013
1014 LED_B_ON();
1015 cmd_send(CMD_ACK,isOK,0,0,uid,4);
1016 LED_B_OFF();
1017
1018 if ((workFlags & 0x10) || (!isOK)) {
1019 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1020 LEDsoff();
1021 }
1022 }
1023
1024
1025 void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
1026
1027 // params
1028 // bit 1 - need wupC
1029 // bit 2 - need HALT after sequence
1030 // bit 3 - need init FPGA and field before sequence
1031 // bit 4 - need reset FPGA and LED
1032 uint8_t workFlags = arg0;
1033 uint8_t blockNo = arg2;
1034
1035 // card commands
1036 uint8_t wupC1[] = { 0x40 };
1037 uint8_t wupC2[] = { 0x43 };
1038
1039 // variables
1040 byte_t isOK = 0;
1041 uint8_t data[18] = {0x00};
1042 uint32_t cuid = 0;
1043
1044 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1045 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1046
1047 if (workFlags & 0x08) {
1048 LED_A_ON();
1049 LED_B_OFF();
1050 LED_C_OFF();
1051
1052 iso14a_clear_trace();
1053 iso14a_set_tracing(TRUE);
1054 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1055 }
1056
1057 while (true) {
1058 if (workFlags & 0x02) {
1059 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1060 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1061 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
1062 break;
1063 };
1064
1065 ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1066 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1067 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");
1068 break;
1069 };
1070 }
1071
1072 // read block
1073 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {
1074 if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");
1075 break;
1076 };
1077 memcpy(data, receivedAnswer, 18);
1078
1079 if (workFlags & 0x04) {
1080 if (mifare_classic_halt(NULL, cuid)) {
1081 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
1082 break;
1083 };
1084 }
1085
1086 isOK = 1;
1087 break;
1088 }
1089
1090 LED_B_ON();
1091 cmd_send(CMD_ACK,isOK,0,0,data,18);
1092 LED_B_OFF();
1093
1094 if ((workFlags & 0x10) || (!isOK)) {
1095 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1096 LEDsoff();
1097 }
1098 }
1099
1100 void MifareCIdent(){
1101
1102 // card commands
1103 uint8_t wupC1[] = { 0x40 };
1104 uint8_t wupC2[] = { 0x43 };
1105
1106 // variables
1107 byte_t isOK = 1;
1108
1109 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
1110 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
1111
1112 ReaderTransmitBitsPar(wupC1,7,0, NULL);
1113 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1114 isOK = 0;
1115 };
1116
1117 ReaderTransmit(wupC2, sizeof(wupC2), NULL);
1118 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
1119 isOK = 0;
1120 };
1121
1122 if (mifare_classic_halt(NULL, 0)) {
1123 isOK = 0;
1124 };
1125
1126 cmd_send(CMD_ACK,isOK,0,0,0,0);
1127 }
1128
1129 //
1130 // DESFIRE
1131 //
1132
1133 void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
1134
1135 byte_t dataout[11] = {0x00};
1136 uint8_t uid[10] = {0x00};
1137 uint32_t cuid;
1138
1139 iso14a_clear_trace();
1140 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
1141
1142 int len = iso14443a_select_card(uid, NULL, &cuid);
1143 if(!len) {
1144 if (MF_DBGLEVEL >= MF_DBG_ERROR)
1145 Dbprintf("Can't select card");
1146 //OnError(1);
1147 return;
1148 };
1149
1150 if(mifare_desfire_des_auth1(cuid, dataout)){
1151 if (MF_DBGLEVEL >= MF_DBG_ERROR)
1152 Dbprintf("Authentication part1: Fail.");
1153 //OnError(4);
1154 return;
1155 }
1156
1157 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");
1158
1159 cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));
1160 }
1161
1162 void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
1163
1164 uint32_t cuid = arg0;
1165 uint8_t key[16] = {0x00};
1166 byte_t isOK = 0;
1167 byte_t dataout[12] = {0x00};
1168
1169 memcpy(key, datain, 16);
1170
1171 isOK = mifare_desfire_des_auth2(cuid, key, dataout);
1172
1173 if( isOK) {
1174 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1175 Dbprintf("Authentication part2: Failed");
1176 //OnError(4);
1177 return;
1178 }
1179
1180 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
1181 DbpString("AUTH 2 FINISHED");
1182
1183 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));
1184 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
1185 LEDsoff();
1186 }
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