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[proxmark3-svn] / client / cmdhfmf.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2011,2012 Merlok
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // High frequency MIFARE commands
9 //-----------------------------------------------------------------------------
10
11 #include <inttypes.h>
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include "proxmark3.h"
15 #include "cmdmain.h"
16 #include "util.h"
17 #include "ui.h"
18 #include "mifarehost.h"
19 #include "mifare.h"
20 #include "nonce2key/nonce2key.h"
21
22 #define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up
23
24
25 static int CmdHelp(const char *Cmd);
26
27 int CmdHF14AMifare(const char *Cmd)
28 {
29 uint32_t uid = 0;
30 uint32_t nt = 0, nr = 0;
31 uint64_t par_list = 0, ks_list = 0, r_key = 0;
32 int16_t isOK = 0;
33
34 UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}};
35
36 // message
37 printf("-------------------------------------------------------------------------\n");
38 printf("Executing command. Expected execution time: 25sec on average :-)\n");
39 printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");
40 printf("-------------------------------------------------------------------------\n");
41
42
43 start:
44 clearCommandBuffer();
45 SendCommand(&c);
46
47 //flush queue
48 while (ukbhit()) {
49 int c = getchar(); (void) c;
50 }
51
52 // wait cycle
53 while (true) {
54 printf(".");
55 fflush(stdout);
56 if (ukbhit()) {
57 getchar();
58 printf("\naborted via keyboard!\n");
59 break;
60 }
61
62 UsbCommand resp;
63 if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
64 isOK = resp.arg[0];
65 uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);
66 nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);
67 par_list = bytes_to_num(resp.d.asBytes + 8, 8);
68 ks_list = bytes_to_num(resp.d.asBytes + 16, 8);
69 nr = bytes_to_num(resp.d.asBytes + 24, 4);
70 printf("\n\n");
71 switch (isOK) {
72 case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;
73 case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;
74 case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;
75 case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
76 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;
77 default: ;
78 }
79 break;
80 }
81 }
82
83 printf("\n");
84
85 // error
86 if (isOK != 1) return 1;
87
88 // execute original function from util nonce2key
89 if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {
90 isOK = 2;
91 PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);
92 PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");
93 c.arg[0] = false;
94 goto start;
95 } else {
96 isOK = 0;
97 printf("------------------------------------------------------------------\n");
98 PrintAndLog("Found valid key:%012" PRIx64 " \n", r_key);
99 }
100
101 PrintAndLog("");
102 return 0;
103 }
104
105 int CmdHF14AMfWrBl(const char *Cmd)
106 {
107 uint8_t blockNo = 0;
108 uint8_t keyType = 0;
109 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
110 uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
111
112 char cmdp = 0x00;
113
114 if (strlen(Cmd)<3) {
115 PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
116 PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
117 return 0;
118 }
119
120 blockNo = param_get8(Cmd, 0);
121 cmdp = param_getchar(Cmd, 1);
122 if (cmdp == 0x00) {
123 PrintAndLog("Key type must be A or B");
124 return 1;
125 }
126 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
127 if (param_gethex(Cmd, 2, key, 12)) {
128 PrintAndLog("Key must include 12 HEX symbols");
129 return 1;
130 }
131 if (param_gethex(Cmd, 3, bldata, 32)) {
132 PrintAndLog("Block data must include 32 HEX symbols");
133 return 1;
134 }
135 PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
136 PrintAndLog("--data: %s", sprint_hex(bldata, 16));
137
138 UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
139 memcpy(c.d.asBytes, key, 6);
140 memcpy(c.d.asBytes + 10, bldata, 16);
141 SendCommand(&c);
142
143 UsbCommand resp;
144 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
145 uint8_t isOK = resp.arg[0] & 0xff;
146 PrintAndLog("isOk:%02x", isOK);
147 } else {
148 PrintAndLog("Command execute timeout");
149 }
150
151 return 0;
152 }
153
154 int CmdHF14AMfRdBl(const char *Cmd)
155 {
156 uint8_t blockNo = 0;
157 uint8_t keyType = 0;
158 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
159
160 char cmdp = 0x00;
161
162
163 if (strlen(Cmd)<3) {
164 PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>");
165 PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
166 return 0;
167 }
168
169 blockNo = param_get8(Cmd, 0);
170 cmdp = param_getchar(Cmd, 1);
171 if (cmdp == 0x00) {
172 PrintAndLog("Key type must be A or B");
173 return 1;
174 }
175 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
176 if (param_gethex(Cmd, 2, key, 12)) {
177 PrintAndLog("Key must include 12 HEX symbols");
178 return 1;
179 }
180 PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
181
182 UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
183 memcpy(c.d.asBytes, key, 6);
184 SendCommand(&c);
185
186 UsbCommand resp;
187 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
188 uint8_t isOK = resp.arg[0] & 0xff;
189 uint8_t *data = resp.d.asBytes;
190
191 if (isOK)
192 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
193 else
194 PrintAndLog("isOk:%02x", isOK);
195 } else {
196 PrintAndLog("Command execute timeout");
197 }
198
199 return 0;
200 }
201
202 int CmdHF14AMfRdSc(const char *Cmd)
203 {
204 int i;
205 uint8_t sectorNo = 0;
206 uint8_t keyType = 0;
207 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
208 uint8_t isOK = 0;
209 uint8_t *data = NULL;
210 char cmdp = 0x00;
211
212 if (strlen(Cmd)<3) {
213 PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>");
214 PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
215 return 0;
216 }
217
218 sectorNo = param_get8(Cmd, 0);
219 if (sectorNo > 39) {
220 PrintAndLog("Sector number must be less than 40");
221 return 1;
222 }
223 cmdp = param_getchar(Cmd, 1);
224 if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
225 PrintAndLog("Key type must be A or B");
226 return 1;
227 }
228 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
229 if (param_gethex(Cmd, 2, key, 12)) {
230 PrintAndLog("Key must include 12 HEX symbols");
231 return 1;
232 }
233 PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
234
235 UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
236 memcpy(c.d.asBytes, key, 6);
237 SendCommand(&c);
238 PrintAndLog(" ");
239
240 UsbCommand resp;
241 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
242 isOK = resp.arg[0] & 0xff;
243 data = resp.d.asBytes;
244
245 PrintAndLog("isOk:%02x", isOK);
246 if (isOK) {
247 for (i = 0; i < (sectorNo<32?3:15); i++) {
248 PrintAndLog("data : %s", sprint_hex(data + i * 16, 16));
249 }
250 PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
251 }
252 } else {
253 PrintAndLog("Command execute timeout");
254 }
255
256 return 0;
257 }
258
259 uint8_t FirstBlockOfSector(uint8_t sectorNo)
260 {
261 if (sectorNo < 32) {
262 return sectorNo * 4;
263 } else {
264 return 32 * 4 + (sectorNo - 32) * 16;
265 }
266 }
267
268 uint8_t NumBlocksPerSector(uint8_t sectorNo)
269 {
270 if (sectorNo < 32) {
271 return 4;
272 } else {
273 return 16;
274 }
275 }
276
277 int CmdHF14AMfDump(const char *Cmd)
278 {
279 uint8_t sectorNo, blockNo;
280
281 uint8_t keyA[40][6];
282 uint8_t keyB[40][6];
283 uint8_t rights[40][4];
284 uint8_t carddata[256][16];
285 uint8_t numSectors = 16;
286
287 FILE *fin;
288 FILE *fout;
289
290 UsbCommand resp;
291
292 char cmdp = param_getchar(Cmd, 0);
293 switch (cmdp) {
294 case '0' : numSectors = 5; break;
295 case '1' :
296 case '\0': numSectors = 16; break;
297 case '2' : numSectors = 32; break;
298 case '4' : numSectors = 40; break;
299 default: numSectors = 16;
300 }
301
302 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
303 PrintAndLog("Usage: hf mf dump [card memory]");
304 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
305 PrintAndLog("");
306 PrintAndLog("Samples: hf mf dump");
307 PrintAndLog(" hf mf dump 4");
308 return 0;
309 }
310
311 if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
312 PrintAndLog("Could not find file dumpkeys.bin");
313 return 1;
314 }
315
316 // Read keys A from file
317 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
318 size_t bytes_read = fread(keyA[sectorNo], 1, 6, fin);
319 if (bytes_read != 6) {
320 PrintAndLog("File reading error.");
321 fclose(fin);
322 return 2;
323 }
324 }
325
326 // Read keys B from file
327 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
328 size_t bytes_read = fread(keyB[sectorNo], 1, 6, fin);
329 if (bytes_read != 6) {
330 PrintAndLog("File reading error.");
331 fclose(fin);
332 return 2;
333 }
334 }
335
336 fclose(fin);
337
338 PrintAndLog("|-----------------------------------------|");
339 PrintAndLog("|------ Reading sector access bits...-----|");
340 PrintAndLog("|-----------------------------------------|");
341 uint8_t tries = 0;
342 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
343 for (tries = 0; tries < 3; tries++) {
344 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
345 memcpy(c.d.asBytes, keyA[sectorNo], 6);
346 SendCommand(&c);
347
348 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
349 uint8_t isOK = resp.arg[0] & 0xff;
350 uint8_t *data = resp.d.asBytes;
351 if (isOK){
352 rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0
353 rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1
354 rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2
355 rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer
356 break;
357 } else if (tries == 2) { // on last try set defaults
358 PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
359 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
360 rights[sectorNo][3] = 0x01;
361 }
362 } else {
363 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
364 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
365 rights[sectorNo][3] = 0x01;
366 }
367 }
368 }
369
370 PrintAndLog("|-----------------------------------------|");
371 PrintAndLog("|----- Dumping all blocks to file... -----|");
372 PrintAndLog("|-----------------------------------------|");
373
374 bool isOK = true;
375 for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
376 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
377 bool received = false;
378 for (tries = 0; tries < 3; tries++) {
379 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A.
380 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
381 memcpy(c.d.asBytes, keyA[sectorNo], 6);
382 SendCommand(&c);
383 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
384 } else { // data block. Check if it can be read with key A or key B
385 uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
386 if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work
387 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
388 memcpy(c.d.asBytes, keyB[sectorNo], 6);
389 SendCommand(&c);
390 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
391 } else if (rights[sectorNo][data_area] == 0x07) { // no key would work
392 isOK = false;
393 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
394 tries = 2;
395 } else { // key A would work
396 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
397 memcpy(c.d.asBytes, keyA[sectorNo], 6);
398 SendCommand(&c);
399 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
400 }
401 }
402 if (received) {
403 isOK = resp.arg[0] & 0xff;
404 if (isOK) break;
405 }
406 }
407
408 if (received) {
409 isOK = resp.arg[0] & 0xff;
410 uint8_t *data = resp.d.asBytes;
411 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys.
412 data[0] = (keyA[sectorNo][0]);
413 data[1] = (keyA[sectorNo][1]);
414 data[2] = (keyA[sectorNo][2]);
415 data[3] = (keyA[sectorNo][3]);
416 data[4] = (keyA[sectorNo][4]);
417 data[5] = (keyA[sectorNo][5]);
418 data[10] = (keyB[sectorNo][0]);
419 data[11] = (keyB[sectorNo][1]);
420 data[12] = (keyB[sectorNo][2]);
421 data[13] = (keyB[sectorNo][3]);
422 data[14] = (keyB[sectorNo][4]);
423 data[15] = (keyB[sectorNo][5]);
424 }
425 if (isOK) {
426 memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
427 PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
428 } else {
429 PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
430 break;
431 }
432 }
433 else {
434 isOK = false;
435 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
436 break;
437 }
438 }
439 }
440
441 if (isOK) {
442 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
443 PrintAndLog("Could not create file name dumpdata.bin");
444 return 1;
445 }
446 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
447 fwrite(carddata, 1, 16*numblocks, fout);
448 fclose(fout);
449 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
450 }
451
452 return 0;
453 }
454
455 int CmdHF14AMfRestore(const char *Cmd)
456 {
457 uint8_t sectorNo,blockNo;
458 uint8_t keyType = 0;
459 uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
460 uint8_t bldata[16] = {0x00};
461 uint8_t keyA[40][6];
462 uint8_t keyB[40][6];
463 uint8_t numSectors;
464
465 FILE *fdump;
466 FILE *fkeys;
467
468 char cmdp = param_getchar(Cmd, 0);
469 switch (cmdp) {
470 case '0' : numSectors = 5; break;
471 case '1' :
472 case '\0': numSectors = 16; break;
473 case '2' : numSectors = 32; break;
474 case '4' : numSectors = 40; break;
475 default: numSectors = 16;
476 }
477
478 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
479 PrintAndLog("Usage: hf mf restore [card memory]");
480 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
481 PrintAndLog("");
482 PrintAndLog("Samples: hf mf restore");
483 PrintAndLog(" hf mf restore 4");
484 return 0;
485 }
486
487 if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
488 PrintAndLog("Could not find file dumpkeys.bin");
489 return 1;
490 }
491
492 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
493 size_t bytes_read = fread(keyA[sectorNo], 1, 6, fkeys);
494 if (bytes_read != 6) {
495 PrintAndLog("File reading error (dumpkeys.bin).");
496 fclose(fkeys);
497 return 2;
498 }
499 }
500
501 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
502 size_t bytes_read = fread(keyB[sectorNo], 1, 6, fkeys);
503 if (bytes_read != 6) {
504 PrintAndLog("File reading error (dumpkeys.bin).");
505 fclose(fkeys);
506 return 2;
507 }
508 }
509
510 fclose(fkeys);
511
512 if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
513 PrintAndLog("Could not find file dumpdata.bin");
514 return 1;
515 }
516 PrintAndLog("Restoring dumpdata.bin to card");
517
518 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
519 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
520 UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
521 memcpy(c.d.asBytes, key, 6);
522
523 size_t bytes_read = fread(bldata, 1, 16, fdump);
524 if (bytes_read != 16) {
525 PrintAndLog("File reading error (dumpdata.bin).");
526 fclose(fdump);
527 return 2;
528 }
529
530 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer
531 bldata[0] = (keyA[sectorNo][0]);
532 bldata[1] = (keyA[sectorNo][1]);
533 bldata[2] = (keyA[sectorNo][2]);
534 bldata[3] = (keyA[sectorNo][3]);
535 bldata[4] = (keyA[sectorNo][4]);
536 bldata[5] = (keyA[sectorNo][5]);
537 bldata[10] = (keyB[sectorNo][0]);
538 bldata[11] = (keyB[sectorNo][1]);
539 bldata[12] = (keyB[sectorNo][2]);
540 bldata[13] = (keyB[sectorNo][3]);
541 bldata[14] = (keyB[sectorNo][4]);
542 bldata[15] = (keyB[sectorNo][5]);
543 }
544
545 PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
546
547 memcpy(c.d.asBytes + 10, bldata, 16);
548 SendCommand(&c);
549
550 UsbCommand resp;
551 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
552 uint8_t isOK = resp.arg[0] & 0xff;
553 PrintAndLog("isOk:%02x", isOK);
554 } else {
555 PrintAndLog("Command execute timeout");
556 }
557 }
558 }
559
560 fclose(fdump);
561 return 0;
562 }
563
564
565 typedef struct {
566 uint64_t Key[2];
567 int foundKey[2];
568 } sector_t;
569
570
571 int CmdHF14AMfNested(const char *Cmd)
572 {
573 int i, j, res, iterations;
574 sector_t *e_sector = NULL;
575 uint8_t blockNo = 0;
576 uint8_t keyType = 0;
577 uint8_t trgBlockNo = 0;
578 uint8_t trgKeyType = 0;
579 uint8_t SectorsCnt = 0;
580 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
581 uint8_t keyBlock[14*6];
582 uint64_t key64 = 0;
583 bool transferToEml = false;
584
585 bool createDumpFile = false;
586 FILE *fkeys;
587 uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
588 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
589
590 char cmdp, ctmp;
591
592 if (strlen(Cmd)<3) {
593 PrintAndLog("Usage:");
594 PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t,d]");
595 PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>");
596 PrintAndLog(" <target block number> <target key A/B> [t]");
597 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
598 PrintAndLog("t - transfer keys into emulator memory");
599 PrintAndLog("d - write keys to binary file");
600 PrintAndLog(" ");
601 PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");
602 PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");
603 PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");
604 PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");
605 return 0;
606 }
607
608 cmdp = param_getchar(Cmd, 0);
609 blockNo = param_get8(Cmd, 1);
610 ctmp = param_getchar(Cmd, 2);
611
612 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
613 PrintAndLog("Key type must be A or B");
614 return 1;
615 }
616
617 if (ctmp != 'A' && ctmp != 'a')
618 keyType = 1;
619
620 if (param_gethex(Cmd, 3, key, 12)) {
621 PrintAndLog("Key must include 12 HEX symbols");
622 return 1;
623 }
624
625 if (cmdp == 'o' || cmdp == 'O') {
626 cmdp = 'o';
627 trgBlockNo = param_get8(Cmd, 4);
628 ctmp = param_getchar(Cmd, 5);
629 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
630 PrintAndLog("Target key type must be A or B");
631 return 1;
632 }
633 if (ctmp != 'A' && ctmp != 'a')
634 trgKeyType = 1;
635 } else {
636
637 switch (cmdp) {
638 case '0': SectorsCnt = 05; break;
639 case '1': SectorsCnt = 16; break;
640 case '2': SectorsCnt = 32; break;
641 case '4': SectorsCnt = 40; break;
642 default: SectorsCnt = 16;
643 }
644 }
645
646 ctmp = param_getchar(Cmd, 4);
647 if (ctmp == 't' || ctmp == 'T') transferToEml = true;
648 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true;
649
650 ctmp = param_getchar(Cmd, 6);
651 transferToEml |= (ctmp == 't' || ctmp == 'T');
652 transferToEml |= (ctmp == 'd' || ctmp == 'D');
653
654 if (cmdp == 'o') {
655 PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');
656 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
657 if (isOK) {
658 switch (isOK) {
659 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
660 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
661 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
662 default : PrintAndLog("Unknown Error.\n");
663 }
664 return 2;
665 }
666 key64 = bytes_to_num(keyBlock, 6);
667 if (key64) {
668 PrintAndLog("Found valid key:%012" PRIx64, key64);
669
670 // transfer key to the emulator
671 if (transferToEml) {
672 uint8_t sectortrailer;
673 if (trgBlockNo < 32*4) { // 4 block sector
674 sectortrailer = (trgBlockNo & 0x03) + 3;
675 } else { // 16 block sector
676 sectortrailer = (trgBlockNo & 0x0f) + 15;
677 }
678 mfEmlGetMem(keyBlock, sectortrailer, 1);
679
680 if (!trgKeyType)
681 num_to_bytes(key64, 6, keyBlock);
682 else
683 num_to_bytes(key64, 6, &keyBlock[10]);
684 mfEmlSetMem(keyBlock, sectortrailer, 1);
685 }
686 } else {
687 PrintAndLog("No valid key found");
688 }
689 }
690 else { // ------------------------------------ multiple sectors working
691 clock_t time1;
692 time1 = clock();
693
694 e_sector = calloc(SectorsCnt, sizeof(sector_t));
695 if (e_sector == NULL) return 1;
696
697 //test current key and additional standard keys first
698 memcpy(keyBlock, key, 6);
699 num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6));
700 num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6));
701 num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6));
702 num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6));
703 num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6));
704 num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 6 * 6));
705 num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 7 * 6));
706 num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 8 * 6));
707 num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 9 * 6));
708 num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 10 * 6));
709 num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 11 * 6));
710 num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 12 * 6));
711 num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 13 * 6));
712
713 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
714 for (i = 0; i < SectorsCnt; i++) {
715 for (j = 0; j < 2; j++) {
716 if (e_sector[i].foundKey[j]) continue;
717
718 res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64);
719
720 if (!res) {
721 e_sector[i].Key[j] = key64;
722 e_sector[i].foundKey[j] = 1;
723 }
724 }
725 }
726
727 // nested sectors
728 iterations = 0;
729 PrintAndLog("nested...");
730 bool calibrate = true;
731 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
732 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
733 for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {
734 if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
735 PrintAndLog("-----------------------------------------------");
736 int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
737 if(isOK) {
738 switch (isOK) {
739 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
740 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
741 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
742 default : PrintAndLog("Unknown Error.\n");
743 }
744 free(e_sector);
745 return 2;
746 } else {
747 calibrate = false;
748 }
749
750 iterations++;
751
752 key64 = bytes_to_num(keyBlock, 6);
753 if (key64) {
754 PrintAndLog("Found valid key:%012" PRIx64, key64);
755 e_sector[sectorNo].foundKey[trgKeyType] = 1;
756 e_sector[sectorNo].Key[trgKeyType] = key64;
757 }
758 }
759 }
760 }
761
762 printf("Time in nested: %1.3f (%1.3f sec per key)\n\n", ((float)clock() - time1)/CLOCKS_PER_SEC, ((float)clock() - time1)/iterations/CLOCKS_PER_SEC);
763
764 PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations);
765 //print them
766 PrintAndLog("|---|----------------|---|----------------|---|");
767 PrintAndLog("|sec|key A |res|key B |res|");
768 PrintAndLog("|---|----------------|---|----------------|---|");
769 for (i = 0; i < SectorsCnt; i++) {
770 PrintAndLog("|%03d| %012" PRIx64 " | %d | %012" PRIx64 " | %d |", i,
771 e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
772 }
773 PrintAndLog("|---|----------------|---|----------------|---|");
774
775 // transfer them to the emulator
776 if (transferToEml) {
777 for (i = 0; i < SectorsCnt; i++) {
778 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
779 if (e_sector[i].foundKey[0])
780 num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
781 if (e_sector[i].foundKey[1])
782 num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
783 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
784 }
785 }
786
787 // Create dump file
788 if (createDumpFile) {
789 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
790 PrintAndLog("Could not create file dumpkeys.bin");
791 free(e_sector);
792 return 1;
793 }
794 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
795 for(i=0; i<SectorsCnt; i++) {
796 if (e_sector[i].foundKey[0]){
797 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
798 fwrite ( tempkey, 1, 6, fkeys );
799 }
800 else{
801 fwrite ( &standart, 1, 6, fkeys );
802 }
803 }
804 for(i=0; i<SectorsCnt; i++) {
805 if (e_sector[i].foundKey[1]){
806 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
807 fwrite ( tempkey, 1, 6, fkeys );
808 }
809 else{
810 fwrite ( &standart, 1, 6, fkeys );
811 }
812 }
813 fclose(fkeys);
814 }
815
816 free(e_sector);
817 }
818 return 0;
819 }
820
821 int CmdHF14AMfChk(const char *Cmd)
822 {
823 if (strlen(Cmd)<3) {
824 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");
825 PrintAndLog(" * - all sectors");
826 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
827 PrintAndLog("d - write keys to binary file\n");
828 PrintAndLog("t - write keys to emulator memory");
829 PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic");
830 PrintAndLog(" hf mf chk *1 ? t");
831 PrintAndLog(" hf mf chk *1 ? d");
832 return 0;
833 }
834
835 FILE * f;
836 char filename[FILE_PATH_SIZE]={0};
837 char buf[13];
838 uint8_t *keyBlock = NULL, *p;
839 uint8_t stKeyBlock = 20;
840
841 int i, res;
842 int keycnt = 0;
843 char ctmp = 0x00;
844 uint8_t blockNo = 0;
845 uint8_t SectorsCnt = 1;
846 uint8_t keyType = 0;
847 uint64_t key64 = 0;
848
849 int transferToEml = 0;
850 int createDumpFile = 0;
851
852 keyBlock = calloc(stKeyBlock, 6);
853 if (keyBlock == NULL) return 1;
854
855 uint64_t defaultKeys[] =
856 {
857 0xffffffffffff, // Default key (first key used by program if no user defined key)
858 0x000000000000, // Blank key
859 0xa0a1a2a3a4a5, // NFCForum MAD key
860 0xb0b1b2b3b4b5,
861 0xaabbccddeeff,
862 0x4d3a99c351dd,
863 0x1a982c7e459a,
864 0xd3f7d3f7d3f7,
865 0x714c5c886e97,
866 0x587ee5f9350f,
867 0xa0478cc39091,
868 0x533cb6c723f6,
869 0x8fd0a4f256e9
870 };
871 int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);
872
873 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)
874 {
875 num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
876 }
877
878 if (param_getchar(Cmd, 0)=='*') {
879 blockNo = 3;
880 switch(param_getchar(Cmd+1, 0)) {
881 case '0': SectorsCnt = 5; break;
882 case '1': SectorsCnt = 16; break;
883 case '2': SectorsCnt = 32; break;
884 case '4': SectorsCnt = 40; break;
885 default: SectorsCnt = 16;
886 }
887 }
888 else
889 blockNo = param_get8(Cmd, 0);
890
891 ctmp = param_getchar(Cmd, 1);
892 switch (ctmp) {
893 case 'a': case 'A':
894 keyType = !0;
895 break;
896 case 'b': case 'B':
897 keyType = !1;
898 break;
899 case '?':
900 keyType = 2;
901 break;
902 default:
903 PrintAndLog("Key type must be A , B or ?");
904 return 1;
905 };
906
907 ctmp = param_getchar(Cmd, 2);
908 if (ctmp == 't' || ctmp == 'T') transferToEml = 1;
909 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;
910
911 for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {
912 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
913 if ( stKeyBlock - keycnt < 2) {
914 p = realloc(keyBlock, 6*(stKeyBlock+=10));
915 if (!p) {
916 PrintAndLog("Cannot allocate memory for Keys");
917 free(keyBlock);
918 return 2;
919 }
920 keyBlock = p;
921 }
922 PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
923 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
924 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
925 keycnt++;
926 } else {
927 // May be a dic file
928 if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {
929 PrintAndLog("File name too long");
930 free(keyBlock);
931 return 2;
932 }
933
934 if ( (f = fopen( filename , "r")) ) {
935 while( fgets(buf, sizeof(buf), f) ){
936 if (strlen(buf) < 12 || buf[11] == '\n')
937 continue;
938
939 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
940
941 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
942
943 if (!isxdigit(buf[0])){
944 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
945 continue;
946 }
947
948 buf[12] = 0;
949
950 if ( stKeyBlock - keycnt < 2) {
951 p = realloc(keyBlock, 6*(stKeyBlock+=10));
952 if (!p) {
953 PrintAndLog("Cannot allocate memory for defKeys");
954 free(keyBlock);
955 fclose(f);
956 return 2;
957 }
958 keyBlock = p;
959 }
960 memset(keyBlock + 6 * keycnt, 0, 6);
961 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
962 PrintAndLog("chk custom key[%2d] %012" PRIx64 , keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
963 keycnt++;
964 memset(buf, 0, sizeof(buf));
965 }
966 fclose(f);
967 } else {
968 PrintAndLog("File: %s: not found or locked.", filename);
969 free(keyBlock);
970 return 1;
971
972 }
973 }
974 }
975
976 if (keycnt == 0) {
977 PrintAndLog("No key specified, trying default keys");
978 for (;keycnt < defaultKeysSize; keycnt++)
979 PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
980 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
981 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
982 }
983
984 // initialize storage for found keys
985 bool validKey[2][40];
986 uint8_t foundKey[2][40][6];
987 for (uint16_t t = 0; t < 2; t++) {
988 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
989 validKey[t][sectorNo] = false;
990 for (uint16_t i = 0; i < 6; i++) {
991 foundKey[t][sectorNo][i] = 0xff;
992 }
993 }
994 }
995
996 for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) {
997 int b=blockNo;
998 for (int i = 0; i < SectorsCnt; ++i) {
999 PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt);
1000 uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt;
1001 for (uint32_t c = 0; c < keycnt; c+=max_keys) {
1002 uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c;
1003 res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);
1004 if (res != 1) {
1005 if (!res) {
1006 PrintAndLog("Found valid key:[%012" PRIx64 "]",key64);
1007 num_to_bytes(key64, 6, foundKey[t][i]);
1008 validKey[t][i] = true;
1009 }
1010 } else {
1011 PrintAndLog("Command execute timeout");
1012 }
1013 }
1014 b<127?(b+=4):(b+=16);
1015 }
1016 }
1017
1018 if (transferToEml) {
1019 uint8_t block[16];
1020 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1021 if (validKey[0][sectorNo] || validKey[1][sectorNo]) {
1022 mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1023 for (uint16_t t = 0; t < 2; t++) {
1024 if (validKey[t][sectorNo]) {
1025 memcpy(block + t*10, foundKey[t][sectorNo], 6);
1026 }
1027 }
1028 mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1029 }
1030 }
1031 PrintAndLog("Found keys have been transferred to the emulator memory");
1032 }
1033
1034 if (createDumpFile) {
1035 FILE *fkeys = fopen("dumpkeys.bin","wb");
1036 if (fkeys == NULL) {
1037 PrintAndLog("Could not create file dumpkeys.bin");
1038 free(keyBlock);
1039 return 1;
1040 }
1041 for (uint16_t t = 0; t < 2; t++) {
1042 fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys);
1043 }
1044 fclose(fkeys);
1045 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1046 }
1047
1048 free(keyBlock);
1049 PrintAndLog("");
1050 return 0;
1051 }
1052
1053 void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack) {
1054 #define ATTACK_KEY_COUNT 8 // keep same as define in iso14443a.c -> Mifare1ksim()
1055 uint64_t key = 0;
1056 typedef struct {
1057 uint64_t keyA;
1058 uint64_t keyB;
1059 } st_t;
1060 st_t sector_trailer[ATTACK_KEY_COUNT];
1061 memset(sector_trailer, 0x00, sizeof(sector_trailer));
1062
1063 uint8_t stSector[ATTACK_KEY_COUNT];
1064 memset(stSector, 0x00, sizeof(stSector));
1065 uint8_t key_cnt[ATTACK_KEY_COUNT];
1066 memset(key_cnt, 0x00, sizeof(key_cnt));
1067
1068 for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {
1069 if (ar_resp[i].ar2 > 0) {
1070 //PrintAndLog("DEBUG: Trying sector %d, cuid %08x, nt %08x, ar %08x, nr %08x, ar2 %08x, nr2 %08x",ar_resp[i].sector, ar_resp[i].cuid,ar_resp[i].nonce,ar_resp[i].ar,ar_resp[i].nr,ar_resp[i].ar2,ar_resp[i].nr2);
1071 if (doStandardAttack && mfkey32(ar_resp[i], &key)) {
1072 PrintAndLog(" Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));
1073
1074 for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {
1075 if (key_cnt[ii]==0 || stSector[ii]==ar_resp[i].sector) {
1076 if (ar_resp[i].keytype==0) {
1077 //keyA
1078 sector_trailer[ii].keyA = key;
1079 stSector[ii] = ar_resp[i].sector;
1080 key_cnt[ii]++;
1081 break;
1082 } else {
1083 //keyB
1084 sector_trailer[ii].keyB = key;
1085 stSector[ii] = ar_resp[i].sector;
1086 key_cnt[ii]++;
1087 break;
1088 }
1089 }
1090 }
1091 } else if (tryMfk32_moebius(ar_resp[i+ATTACK_KEY_COUNT], &key)) {
1092 uint8_t sectorNum = ar_resp[i+ATTACK_KEY_COUNT].sector;
1093 uint8_t keyType = ar_resp[i+ATTACK_KEY_COUNT].keytype;
1094
1095 PrintAndLog("M-Found Key%s for sector %02d: [%012" PRIx64 "]"
1096 , keyType ? "B" : "A"
1097 , sectorNum
1098 , key
1099 );
1100
1101 for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {
1102 if (key_cnt[ii]==0 || stSector[ii]==sectorNum) {
1103 if (keyType==0) {
1104 //keyA
1105 sector_trailer[ii].keyA = key;
1106 stSector[ii] = sectorNum;
1107 key_cnt[ii]++;
1108 break;
1109 } else {
1110 //keyB
1111 sector_trailer[ii].keyB = key;
1112 stSector[ii] = sectorNum;
1113 key_cnt[ii]++;
1114 break;
1115 }
1116 }
1117 }
1118 continue;
1119 }
1120 }
1121 }
1122 //set emulator memory for keys
1123 if (setEmulatorMem) {
1124 for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {
1125 if (key_cnt[i]>0) {
1126 uint8_t memBlock[16];
1127 memset(memBlock, 0x00, sizeof(memBlock));
1128 char cmd1[36];
1129 memset(cmd1,0x00,sizeof(cmd1));
1130 snprintf(cmd1,sizeof(cmd1),"%04x%08xFF078069%04x%08x",(uint32_t) (sector_trailer[i].keyA>>32), (uint32_t) (sector_trailer[i].keyA &0xFFFFFFFF),(uint32_t) (sector_trailer[i].keyB>>32), (uint32_t) (sector_trailer[i].keyB &0xFFFFFFFF));
1131 PrintAndLog("Setting Emulator Memory Block %02d: [%s]",stSector[i]*4+3, cmd1);
1132 if (param_gethex(cmd1, 0, memBlock, 32)) {
1133 PrintAndLog("block data must include 32 HEX symbols");
1134 return;
1135 }
1136
1137 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {(stSector[i]*4+3), 1, 0}};
1138 memcpy(c.d.asBytes, memBlock, 16);
1139 clearCommandBuffer();
1140 SendCommand(&c);
1141 }
1142 }
1143 }
1144 /*
1145 //un-comment to use as well moebius attack
1146 for (uint8_t i = ATTACK_KEY_COUNT; i<ATTACK_KEY_COUNT*2; i++) {
1147 if (ar_resp[i].ar2 > 0) {
1148 if (tryMfk32_moebius(ar_resp[i], &key)) {
1149 PrintAndLog("M-Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));
1150 }
1151 }
1152 }*/
1153 }
1154
1155 int usage_hf14_mf1ksim(void) {
1156 PrintAndLog("Usage: hf mf sim h u <uid (8, 14, or 20 hex symbols)> n <numreads> i x");
1157 PrintAndLog("options:");
1158 PrintAndLog(" h this help");
1159 PrintAndLog(" u (Optional) UID 4,7 or 10 bytes. If not specified, the UID 4B from emulator memory will be used");
1160 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1161 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1162 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1163 PrintAndLog(" e (Optional) set keys found from 'reader attack' to emulator memory (implies x and i)");
1164 PrintAndLog(" f (Optional) get UIDs to use for 'reader attack' from file 'f <filename.txt>' (implies x and i)");
1165 PrintAndLog(" r (Optional) Generate random nonces instead of sequential nonces. Standard reader attack won't work with this option, only moebius attack works.");
1166 PrintAndLog("samples:");
1167 PrintAndLog(" hf mf sim u 0a0a0a0a");
1168 PrintAndLog(" hf mf sim u 11223344556677");
1169 PrintAndLog(" hf mf sim u 112233445566778899AA");
1170 PrintAndLog(" hf mf sim f uids.txt");
1171 PrintAndLog(" hf mf sim u 0a0a0a0a e");
1172
1173 return 0;
1174 }
1175
1176 int CmdHF14AMf1kSim(const char *Cmd) {
1177 UsbCommand resp;
1178 uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
1179 uint8_t exitAfterNReads = 0;
1180 uint8_t flags = 0;
1181 int uidlen = 0;
1182 uint8_t pnr = 0;
1183 bool setEmulatorMem = false;
1184 bool attackFromFile = false;
1185 FILE *f;
1186 char filename[FILE_PATH_SIZE];
1187 memset(filename, 0x00, sizeof(filename));
1188 int len = 0;
1189 char buf[64];
1190
1191 uint8_t cmdp = 0;
1192 bool errors = false;
1193
1194 while(param_getchar(Cmd, cmdp) != 0x00) {
1195 switch(param_getchar(Cmd, cmdp)) {
1196 case 'e':
1197 case 'E':
1198 setEmulatorMem = true;
1199 //implies x and i
1200 flags |= FLAG_INTERACTIVE;
1201 flags |= FLAG_NR_AR_ATTACK;
1202 cmdp++;
1203 break;
1204 case 'f':
1205 case 'F':
1206 len = param_getstr(Cmd, cmdp+1, filename);
1207 if (len < 1) {
1208 PrintAndLog("error no filename found");
1209 return 0;
1210 }
1211 attackFromFile = true;
1212 //implies x and i
1213 flags |= FLAG_INTERACTIVE;
1214 flags |= FLAG_NR_AR_ATTACK;
1215 cmdp += 2;
1216 break;
1217 case 'h':
1218 case 'H':
1219 return usage_hf14_mf1ksim();
1220 case 'i':
1221 case 'I':
1222 flags |= FLAG_INTERACTIVE;
1223 cmdp++;
1224 break;
1225 case 'n':
1226 case 'N':
1227 exitAfterNReads = param_get8(Cmd, pnr+1);
1228 cmdp += 2;
1229 break;
1230 case 'r':
1231 case 'R':
1232 flags |= FLAG_RANDOM_NONCE;
1233 cmdp++;
1234 break;
1235 case 'u':
1236 case 'U':
1237 param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);
1238 switch(uidlen) {
1239 case 20: flags = FLAG_10B_UID_IN_DATA; break; //not complete
1240 case 14: flags = FLAG_7B_UID_IN_DATA; break;
1241 case 8: flags = FLAG_4B_UID_IN_DATA; break;
1242 default: return usage_hf14_mf1ksim();
1243 }
1244 cmdp += 2;
1245 break;
1246 case 'x':
1247 case 'X':
1248 flags |= FLAG_NR_AR_ATTACK;
1249 cmdp++;
1250 break;
1251 default:
1252 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1253 errors = true;
1254 break;
1255 }
1256 if(errors) break;
1257 }
1258 //Validations
1259 if(errors) return usage_hf14_mf1ksim();
1260
1261 //get uid from file
1262 if (attackFromFile) {
1263 int count = 0;
1264 // open file
1265 f = fopen(filename, "r");
1266 if (f == NULL) {
1267 PrintAndLog("File %s not found or locked", filename);
1268 return 1;
1269 }
1270 PrintAndLog("Loading file and simulating. Press keyboard to abort");
1271 while(!feof(f) && !ukbhit()){
1272 memset(buf, 0, sizeof(buf));
1273 memset(uid, 0, sizeof(uid));
1274
1275 if (fgets(buf, sizeof(buf), f) == NULL) {
1276 if (count > 0) break;
1277
1278 PrintAndLog("File reading error.");
1279 fclose(f);
1280 return 2;
1281 }
1282 if(!strlen(buf) && feof(f)) break;
1283
1284 uidlen = strlen(buf)-1;
1285 switch(uidlen) {
1286 case 20: flags |= FLAG_10B_UID_IN_DATA; break; //not complete
1287 case 14: flags |= FLAG_7B_UID_IN_DATA; break;
1288 case 8: flags |= FLAG_4B_UID_IN_DATA; break;
1289 default:
1290 PrintAndLog("uid in file wrong length at %d (length: %d) [%s]",count, uidlen, buf);
1291 fclose(f);
1292 return 2;
1293 }
1294
1295 for (uint8_t i = 0; i < uidlen; i += 2) {
1296 sscanf(&buf[i], "%02x", (unsigned int *)&uid[i / 2]);
1297 }
1298
1299 PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) - press button to abort",
1300 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1301 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7):
1302 flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"
1303 , exitAfterNReads, flags, flags);
1304
1305 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1306 memcpy(c.d.asBytes, uid, sizeof(uid));
1307 clearCommandBuffer();
1308 SendCommand(&c);
1309
1310 while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1311 //We're waiting only 1.5 s at a time, otherwise we get the
1312 // annoying message about "Waiting for a response... "
1313 }
1314 //got a response
1315 nonces_t ar_resp[ATTACK_KEY_COUNT*2];
1316 memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));
1317 // We can skip the standard attack if we have RANDOM_NONCE set.
1318 readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));
1319 if ((bool)resp.arg[1]) {
1320 PrintAndLog("Device button pressed - quitting");
1321 fclose(f);
1322 return 4;
1323 }
1324 count++;
1325 }
1326 fclose(f);
1327 } else { //not from file
1328
1329 PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) ",
1330 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1331 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7):
1332 flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"
1333 , exitAfterNReads, flags, flags);
1334
1335 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1336 memcpy(c.d.asBytes, uid, sizeof(uid));
1337 clearCommandBuffer();
1338 SendCommand(&c);
1339
1340 if(flags & FLAG_INTERACTIVE) {
1341 PrintAndLog("Press pm3-button to abort simulation");
1342 while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1343 //We're waiting only 1.5 s at a time, otherwise we get the
1344 // annoying message about "Waiting for a response... "
1345 }
1346 //got a response
1347 if (flags & FLAG_NR_AR_ATTACK) {
1348 nonces_t ar_resp[ATTACK_KEY_COUNT*2];
1349 memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));
1350 // We can skip the standard attack if we have RANDOM_NONCE set.
1351 readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));
1352 }
1353 }
1354 }
1355
1356 return 0;
1357 }
1358
1359 int CmdHF14AMfDbg(const char *Cmd)
1360 {
1361 int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1362 if (dbgMode > 4) {
1363 PrintAndLog("Max debug mode parameter is 4 \n");
1364 }
1365
1366 if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1367 PrintAndLog("Usage: hf mf dbg <debug level>");
1368 PrintAndLog(" 0 - no debug messages");
1369 PrintAndLog(" 1 - error messages");
1370 PrintAndLog(" 2 - plus information messages");
1371 PrintAndLog(" 3 - plus debug messages");
1372 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1373 PrintAndLog(" Note: this option therefore may cause malfunction itself");
1374 return 0;
1375 }
1376
1377 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1378 SendCommand(&c);
1379
1380 return 0;
1381 }
1382
1383 int CmdHF14AMfEGet(const char *Cmd)
1384 {
1385 uint8_t blockNo = 0;
1386 uint8_t data[16] = {0x00};
1387
1388 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1389 PrintAndLog("Usage: hf mf eget <block number>");
1390 PrintAndLog(" sample: hf mf eget 0 ");
1391 return 0;
1392 }
1393
1394 blockNo = param_get8(Cmd, 0);
1395
1396 PrintAndLog(" ");
1397 if (!mfEmlGetMem(data, blockNo, 1)) {
1398 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1399 } else {
1400 PrintAndLog("Command execute timeout");
1401 }
1402
1403 return 0;
1404 }
1405
1406 int CmdHF14AMfEClear(const char *Cmd)
1407 {
1408 if (param_getchar(Cmd, 0) == 'h') {
1409 PrintAndLog("Usage: hf mf eclr");
1410 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1411 return 0;
1412 }
1413
1414 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1415 SendCommand(&c);
1416 return 0;
1417 }
1418
1419
1420 int CmdHF14AMfESet(const char *Cmd)
1421 {
1422 uint8_t memBlock[16];
1423 uint8_t blockNo = 0;
1424
1425 memset(memBlock, 0x00, sizeof(memBlock));
1426
1427 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1428 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1429 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1430 return 0;
1431 }
1432
1433 blockNo = param_get8(Cmd, 0);
1434
1435 if (param_gethex(Cmd, 1, memBlock, 32)) {
1436 PrintAndLog("block data must include 32 HEX symbols");
1437 return 1;
1438 }
1439
1440 // 1 - blocks count
1441 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};
1442 memcpy(c.d.asBytes, memBlock, 16);
1443 SendCommand(&c);
1444 return 0;
1445 }
1446
1447
1448 int CmdHF14AMfELoad(const char *Cmd)
1449 {
1450 FILE * f;
1451 char filename[FILE_PATH_SIZE];
1452 char *fnameptr = filename;
1453 char buf[64] = {0x00};
1454 uint8_t buf8[64] = {0x00};
1455 int i, len, blockNum, numBlocks;
1456 int nameParamNo = 1;
1457
1458 char ctmp = param_getchar(Cmd, 0);
1459
1460 if ( ctmp == 'h' || ctmp == 0x00) {
1461 PrintAndLog("It loads emul dump from the file `filename.eml`");
1462 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`>");
1463 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1464 PrintAndLog("");
1465 PrintAndLog(" sample: hf mf eload filename");
1466 PrintAndLog(" hf mf eload 4 filename");
1467 return 0;
1468 }
1469
1470 switch (ctmp) {
1471 case '0' : numBlocks = 5*4; break;
1472 case '1' :
1473 case '\0': numBlocks = 16*4; break;
1474 case '2' : numBlocks = 32*4; break;
1475 case '4' : numBlocks = 256; break;
1476 default: {
1477 numBlocks = 16*4;
1478 nameParamNo = 0;
1479 }
1480 }
1481
1482 len = param_getstr(Cmd,nameParamNo,filename);
1483
1484 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1485
1486 fnameptr += len;
1487
1488 sprintf(fnameptr, ".eml");
1489
1490 // open file
1491 f = fopen(filename, "r");
1492 if (f == NULL) {
1493 PrintAndLog("File %s not found or locked", filename);
1494 return 1;
1495 }
1496
1497 blockNum = 0;
1498 while(!feof(f)){
1499 memset(buf, 0, sizeof(buf));
1500
1501 if (fgets(buf, sizeof(buf), f) == NULL) {
1502
1503 if (blockNum >= numBlocks) break;
1504
1505 PrintAndLog("File reading error.");
1506 fclose(f);
1507 return 2;
1508 }
1509
1510 if (strlen(buf) < 32){
1511 if(strlen(buf) && feof(f))
1512 break;
1513 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1514 fclose(f);
1515 return 2;
1516 }
1517
1518 for (i = 0; i < 32; i += 2) {
1519 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1520 }
1521
1522 if (mfEmlSetMem(buf8, blockNum, 1)) {
1523 PrintAndLog("Cant set emul block: %3d", blockNum);
1524 fclose(f);
1525 return 3;
1526 }
1527 printf(".");
1528 blockNum++;
1529
1530 if (blockNum >= numBlocks) break;
1531 }
1532 fclose(f);
1533 printf("\n");
1534
1535 if ((blockNum != numBlocks)) {
1536 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1537 return 4;
1538 }
1539 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1540 return 0;
1541 }
1542
1543
1544 int CmdHF14AMfESave(const char *Cmd)
1545 {
1546 FILE * f;
1547 char filename[FILE_PATH_SIZE];
1548 char * fnameptr = filename;
1549 uint8_t buf[64];
1550 int i, j, len, numBlocks;
1551 int nameParamNo = 1;
1552
1553 memset(filename, 0, sizeof(filename));
1554 memset(buf, 0, sizeof(buf));
1555
1556 char ctmp = param_getchar(Cmd, 0);
1557
1558 if ( ctmp == 'h' || ctmp == 'H') {
1559 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1560 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1561 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1562 PrintAndLog("");
1563 PrintAndLog(" sample: hf mf esave ");
1564 PrintAndLog(" hf mf esave 4");
1565 PrintAndLog(" hf mf esave 4 filename");
1566 return 0;
1567 }
1568
1569 switch (ctmp) {
1570 case '0' : numBlocks = 5*4; break;
1571 case '1' :
1572 case '\0': numBlocks = 16*4; break;
1573 case '2' : numBlocks = 32*4; break;
1574 case '4' : numBlocks = 256; break;
1575 default: {
1576 numBlocks = 16*4;
1577 nameParamNo = 0;
1578 }
1579 }
1580
1581 len = param_getstr(Cmd,nameParamNo,filename);
1582
1583 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1584
1585 // user supplied filename?
1586 if (len < 1) {
1587 // get filename (UID from memory)
1588 if (mfEmlGetMem(buf, 0, 1)) {
1589 PrintAndLog("Can\'t get UID from block: %d", 0);
1590 len = sprintf(fnameptr, "dump");
1591 fnameptr += len;
1592 }
1593 else {
1594 for (j = 0; j < 7; j++, fnameptr += 2)
1595 sprintf(fnameptr, "%02X", buf[j]);
1596 }
1597 } else {
1598 fnameptr += len;
1599 }
1600
1601 // add file extension
1602 sprintf(fnameptr, ".eml");
1603
1604 // open file
1605 f = fopen(filename, "w+");
1606
1607 if ( !f ) {
1608 PrintAndLog("Can't open file %s ", filename);
1609 return 1;
1610 }
1611
1612 // put hex
1613 for (i = 0; i < numBlocks; i++) {
1614 if (mfEmlGetMem(buf, i, 1)) {
1615 PrintAndLog("Cant get block: %d", i);
1616 break;
1617 }
1618 for (j = 0; j < 16; j++)
1619 fprintf(f, "%02X", buf[j]);
1620 fprintf(f,"\n");
1621 }
1622 fclose(f);
1623
1624 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1625
1626 return 0;
1627 }
1628
1629
1630 int CmdHF14AMfECFill(const char *Cmd)
1631 {
1632 uint8_t keyType = 0;
1633 uint8_t numSectors = 16;
1634
1635 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1636 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
1637 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1638 PrintAndLog("");
1639 PrintAndLog("samples: hf mf ecfill A");
1640 PrintAndLog(" hf mf ecfill A 4");
1641 PrintAndLog("Read card and transfer its data to emulator memory.");
1642 PrintAndLog("Keys must be laid in the emulator memory. \n");
1643 return 0;
1644 }
1645
1646 char ctmp = param_getchar(Cmd, 0);
1647 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1648 PrintAndLog("Key type must be A or B");
1649 return 1;
1650 }
1651 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1652
1653 ctmp = param_getchar(Cmd, 1);
1654 switch (ctmp) {
1655 case '0' : numSectors = 5; break;
1656 case '1' :
1657 case '\0': numSectors = 16; break;
1658 case '2' : numSectors = 32; break;
1659 case '4' : numSectors = 40; break;
1660 default: numSectors = 16;
1661 }
1662
1663 printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);
1664 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1665 SendCommand(&c);
1666 return 0;
1667 }
1668
1669
1670 int CmdHF14AMfEKeyPrn(const char *Cmd)
1671 {
1672 int i;
1673 uint8_t numSectors;
1674 uint8_t data[16];
1675 uint64_t keyA, keyB;
1676
1677 if (param_getchar(Cmd, 0) == 'h') {
1678 PrintAndLog("It prints the keys loaded in the emulator memory");
1679 PrintAndLog("Usage: hf mf ekeyprn [card memory]");
1680 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1681 PrintAndLog("");
1682 PrintAndLog(" sample: hf mf ekeyprn 1");
1683 return 0;
1684 }
1685
1686 char cmdp = param_getchar(Cmd, 0);
1687
1688 switch (cmdp) {
1689 case '0' : numSectors = 5; break;
1690 case '1' :
1691 case '\0': numSectors = 16; break;
1692 case '2' : numSectors = 32; break;
1693 case '4' : numSectors = 40; break;
1694 default: numSectors = 16;
1695 }
1696
1697 PrintAndLog("|---|----------------|----------------|");
1698 PrintAndLog("|sec|key A |key B |");
1699 PrintAndLog("|---|----------------|----------------|");
1700 for (i = 0; i < numSectors; i++) {
1701 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
1702 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1703 break;
1704 }
1705 keyA = bytes_to_num(data, 6);
1706 keyB = bytes_to_num(data + 10, 6);
1707 PrintAndLog("|%03d| %012" PRIx64 " | %012" PRIx64 " |", i, keyA, keyB);
1708 }
1709 PrintAndLog("|---|----------------|----------------|");
1710
1711 return 0;
1712 }
1713
1714
1715 int CmdHF14AMfCSetUID(const char *Cmd)
1716 {
1717 uint8_t wipeCard = 0;
1718 uint8_t uid[8] = {0x00};
1719 uint8_t oldUid[8] = {0x00};
1720 uint8_t atqa[2] = {0x00};
1721 uint8_t sak[1] = {0x00};
1722 uint8_t atqaPresent = 1;
1723 int res;
1724 char ctmp;
1725 int argi=0;
1726
1727 if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') {
1728 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols] [w]");
1729 PrintAndLog("sample: hf mf csetuid 01020304");
1730 PrintAndLog("sample: hf mf csetuid 01020304 0004 08 w");
1731 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
1732 PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line.");
1733 return 0;
1734 }
1735
1736 if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) {
1737 PrintAndLog("UID must include 8 HEX symbols");
1738 return 1;
1739 }
1740 argi++;
1741
1742 ctmp = param_getchar(Cmd, argi);
1743 if (ctmp == 'w' || ctmp == 'W') {
1744 wipeCard = 1;
1745 atqaPresent = 0;
1746 }
1747
1748 if (atqaPresent) {
1749 if (param_getchar(Cmd, argi)) {
1750 if (param_gethex(Cmd, argi, atqa, 4)) {
1751 PrintAndLog("ATQA must include 4 HEX symbols");
1752 return 1;
1753 }
1754 argi++;
1755 if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) {
1756 PrintAndLog("SAK must include 2 HEX symbols");
1757 return 1;
1758 }
1759 argi++;
1760 } else
1761 atqaPresent = 0;
1762 }
1763
1764 if(!wipeCard) {
1765 ctmp = param_getchar(Cmd, argi);
1766 if (ctmp == 'w' || ctmp == 'W') {
1767 wipeCard = 1;
1768 }
1769 }
1770
1771 PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4));
1772
1773 res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid, wipeCard);
1774 if (res) {
1775 PrintAndLog("Can't set UID. error=%d", res);
1776 return 1;
1777 }
1778
1779 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
1780 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
1781 return 0;
1782 }
1783
1784 int CmdHF14AMfCSetBlk(const char *Cmd)
1785 {
1786 uint8_t memBlock[16] = {0x00};
1787 uint8_t blockNo = 0;
1788 bool wipeCard = false;
1789 int res;
1790
1791 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1792 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
1793 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
1794 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
1795 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
1796 return 0;
1797 }
1798
1799 blockNo = param_get8(Cmd, 0);
1800
1801 if (param_gethex(Cmd, 1, memBlock, 32)) {
1802 PrintAndLog("block data must include 32 HEX symbols");
1803 return 1;
1804 }
1805
1806 char ctmp = param_getchar(Cmd, 2);
1807 wipeCard = (ctmp == 'w' || ctmp == 'W');
1808 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(memBlock, 16));
1809
1810 res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER);
1811 if (res) {
1812 PrintAndLog("Can't write block. error=%d", res);
1813 return 1;
1814 }
1815 return 0;
1816 }
1817
1818
1819 int CmdHF14AMfCLoad(const char *Cmd)
1820 {
1821 FILE * f;
1822 char filename[FILE_PATH_SIZE] = {0x00};
1823 char * fnameptr = filename;
1824 char buf[64] = {0x00};
1825 uint8_t buf8[64] = {0x00};
1826 uint8_t fillFromEmulator = 0;
1827 int i, len, blockNum, flags=0;
1828
1829 if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) {
1830 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
1831 PrintAndLog("or from emulator memory (option `e`)");
1832 PrintAndLog("Usage: hf mf cload <file name w/o `.eml`>");
1833 PrintAndLog(" or: hf mf cload e ");
1834 PrintAndLog(" sample: hf mf cload filename");
1835 return 0;
1836 }
1837
1838 char ctmp = param_getchar(Cmd, 0);
1839 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1840
1841 if (fillFromEmulator) {
1842 for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {
1843 if (mfEmlGetMem(buf8, blockNum, 1)) {
1844 PrintAndLog("Cant get block: %d", blockNum);
1845 return 2;
1846 }
1847 if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence
1848 if (blockNum == 1) flags = 0; // just write
1849 if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Magic Halt and switch off field.
1850
1851 if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
1852 PrintAndLog("Cant set magic card block: %d", blockNum);
1853 return 3;
1854 }
1855 }
1856 return 0;
1857 } else {
1858 len = strlen(Cmd);
1859 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1860
1861 memcpy(filename, Cmd, len);
1862 fnameptr += len;
1863
1864 sprintf(fnameptr, ".eml");
1865
1866 // open file
1867 f = fopen(filename, "r");
1868 if (f == NULL) {
1869 PrintAndLog("File not found or locked.");
1870 return 1;
1871 }
1872
1873 blockNum = 0;
1874 while(!feof(f)){
1875
1876 memset(buf, 0, sizeof(buf));
1877
1878 if (fgets(buf, sizeof(buf), f) == NULL) {
1879 fclose(f);
1880 PrintAndLog("File reading error.");
1881 return 2;
1882 }
1883
1884 if (strlen(buf) < 32) {
1885 if(strlen(buf) && feof(f))
1886 break;
1887 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1888 fclose(f);
1889 return 2;
1890 }
1891 for (i = 0; i < 32; i += 2)
1892 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1893
1894 if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence
1895 if (blockNum == 1) flags = 0; // just write
1896 if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Switch off field.
1897
1898 if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
1899 PrintAndLog("Can't set magic card block: %d", blockNum);
1900 fclose(f);
1901 return 3;
1902 }
1903 blockNum++;
1904
1905 if (blockNum >= 16 * 4) break; // magic card type - mifare 1K
1906 }
1907 fclose(f);
1908
1909 if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
1910 PrintAndLog("File content error. There must be 64 blocks");
1911 return 4;
1912 }
1913 PrintAndLog("Loaded from file: %s", filename);
1914 return 0;
1915 }
1916 return 0;
1917 }
1918
1919 int CmdHF14AMfCGetBlk(const char *Cmd) {
1920 uint8_t memBlock[16];
1921 uint8_t blockNo = 0;
1922 int res;
1923 memset(memBlock, 0x00, sizeof(memBlock));
1924
1925 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1926 PrintAndLog("Usage: hf mf cgetblk <block number>");
1927 PrintAndLog("sample: hf mf cgetblk 1");
1928 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
1929 return 0;
1930 }
1931
1932 blockNo = param_get8(Cmd, 0);
1933
1934 PrintAndLog("--block number:%2d ", blockNo);
1935
1936 res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER);
1937 if (res) {
1938 PrintAndLog("Can't read block. error=%d", res);
1939 return 1;
1940 }
1941
1942 PrintAndLog("block data:%s", sprint_hex(memBlock, 16));
1943 return 0;
1944 }
1945
1946
1947 int CmdHF14AMfCGetSc(const char *Cmd) {
1948 uint8_t memBlock[16] = {0x00};
1949 uint8_t sectorNo = 0;
1950 int i, res, flags;
1951
1952 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1953 PrintAndLog("Usage: hf mf cgetsc <sector number>");
1954 PrintAndLog("sample: hf mf cgetsc 0");
1955 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
1956 return 0;
1957 }
1958
1959 sectorNo = param_get8(Cmd, 0);
1960 if (sectorNo > 15) {
1961 PrintAndLog("Sector number must be in [0..15] as in MIFARE classic.");
1962 return 1;
1963 }
1964
1965 PrintAndLog("--sector number:%d ", sectorNo);
1966
1967 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
1968 for (i = 0; i < 4; i++) {
1969 if (i == 1) flags = 0;
1970 if (i == 3) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
1971
1972 res = mfCGetBlock(sectorNo * 4 + i, memBlock, flags);
1973 if (res) {
1974 PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res);
1975 return 1;
1976 }
1977
1978 PrintAndLog("block %3d data:%s", sectorNo * 4 + i, sprint_hex(memBlock, 16));
1979 }
1980 return 0;
1981 }
1982
1983
1984 int CmdHF14AMfCSave(const char *Cmd) {
1985
1986 FILE * f;
1987 char filename[FILE_PATH_SIZE] = {0x00};
1988 char * fnameptr = filename;
1989 uint8_t fillFromEmulator = 0;
1990 uint8_t buf[64] = {0x00};
1991 int i, j, len, flags;
1992
1993 // memset(filename, 0, sizeof(filename));
1994 // memset(buf, 0, sizeof(buf));
1995
1996 if (param_getchar(Cmd, 0) == 'h') {
1997 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
1998 PrintAndLog("or into emulator memory (option `e`)");
1999 PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]");
2000 PrintAndLog(" sample: hf mf esave ");
2001 PrintAndLog(" hf mf esave filename");
2002 PrintAndLog(" hf mf esave e \n");
2003 return 0;
2004 }
2005
2006 char ctmp = param_getchar(Cmd, 0);
2007 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2008
2009 if (fillFromEmulator) {
2010 // put into emulator
2011 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2012 for (i = 0; i < 16 * 4; i++) {
2013 if (i == 1) flags = 0;
2014 if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2015
2016 if (mfCGetBlock(i, buf, flags)) {
2017 PrintAndLog("Cant get block: %d", i);
2018 break;
2019 }
2020
2021 if (mfEmlSetMem(buf, i, 1)) {
2022 PrintAndLog("Cant set emul block: %d", i);
2023 return 3;
2024 }
2025 }
2026 return 0;
2027 } else {
2028 len = strlen(Cmd);
2029 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2030
2031 if (len < 1) {
2032 // get filename
2033 if (mfCGetBlock(0, buf, CSETBLOCK_SINGLE_OPER)) {
2034 PrintAndLog("Cant get block: %d", 0);
2035 len = sprintf(fnameptr, "dump");
2036 fnameptr += len;
2037 }
2038 else {
2039 for (j = 0; j < 7; j++, fnameptr += 2)
2040 sprintf(fnameptr, "%02x", buf[j]);
2041 }
2042 } else {
2043 memcpy(filename, Cmd, len);
2044 fnameptr += len;
2045 }
2046
2047 sprintf(fnameptr, ".eml");
2048
2049 // open file
2050 f = fopen(filename, "w+");
2051
2052 if (f == NULL) {
2053 PrintAndLog("File not found or locked.");
2054 return 1;
2055 }
2056
2057 // put hex
2058 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2059 for (i = 0; i < 16 * 4; i++) {
2060 if (i == 1) flags = 0;
2061 if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2062
2063 if (mfCGetBlock(i, buf, flags)) {
2064 PrintAndLog("Cant get block: %d", i);
2065 break;
2066 }
2067 for (j = 0; j < 16; j++)
2068 fprintf(f, "%02x", buf[j]);
2069 fprintf(f,"\n");
2070 }
2071 fclose(f);
2072
2073 PrintAndLog("Saved to file: %s", filename);
2074
2075 return 0;
2076 }
2077 }
2078
2079
2080 int CmdHF14AMfSniff(const char *Cmd){
2081
2082 bool wantLogToFile = 0;
2083 bool wantDecrypt = 0;
2084 //bool wantSaveToEml = 0; TODO
2085 bool wantSaveToEmlFile = 0;
2086
2087 //var
2088 int res = 0;
2089 int len = 0;
2090 int blockLen = 0;
2091 int pckNum = 0;
2092 int num = 0;
2093 uint8_t uid[7];
2094 uint8_t uid_len;
2095 uint8_t atqa[2] = {0x00};
2096 uint8_t sak;
2097 bool isTag;
2098 uint8_t *buf = NULL;
2099 uint16_t bufsize = 0;
2100 uint8_t *bufPtr = NULL;
2101
2102 char ctmp = param_getchar(Cmd, 0);
2103 if ( ctmp == 'h' || ctmp == 'H' ) {
2104 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
2105 PrintAndLog("You can specify:");
2106 PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");
2107 PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");
2108 PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
2109 PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
2110 PrintAndLog("Usage: hf mf sniff [l][d][e][f]");
2111 PrintAndLog(" sample: hf mf sniff l d e");
2112 return 0;
2113 }
2114
2115 for (int i = 0; i < 4; i++) {
2116 ctmp = param_getchar(Cmd, i);
2117 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
2118 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
2119 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
2120 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
2121 }
2122
2123 printf("-------------------------------------------------------------------------\n");
2124 printf("Executing command. \n");
2125 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
2126 printf("Press the key on pc keyboard to abort the client.\n");
2127 printf("-------------------------------------------------------------------------\n");
2128
2129 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
2130 clearCommandBuffer();
2131 SendCommand(&c);
2132
2133 // wait cycle
2134 while (true) {
2135 printf(".");
2136 fflush(stdout);
2137 if (ukbhit()) {
2138 getchar();
2139 printf("\naborted via keyboard!\n");
2140 break;
2141 }
2142
2143 UsbCommand resp;
2144 if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {
2145 res = resp.arg[0] & 0xff;
2146 uint16_t traceLen = resp.arg[1];
2147 len = resp.arg[2];
2148
2149 if (res == 0) { // we are done
2150 free(buf);
2151 return 0;
2152 }
2153
2154 if (res == 1) { // there is (more) data to be transferred
2155 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
2156 if (traceLen > bufsize || buf == NULL) {
2157 uint8_t *p;
2158 if (buf == NULL) { // not yet allocated
2159 p = malloc(traceLen);
2160 } else { // need more memory
2161 p = realloc(buf, traceLen);
2162 }
2163 if (p == NULL) {
2164 PrintAndLog("Cannot allocate memory for trace");
2165 free(buf);
2166 return 2;
2167 }
2168 buf = p;
2169 }
2170 bufPtr = buf;
2171 bufsize = traceLen;
2172 memset(buf, 0x00, traceLen);
2173 }
2174 memcpy(bufPtr, resp.d.asBytes, len);
2175 bufPtr += len;
2176 pckNum++;
2177 }
2178
2179 if (res == 2) { // received all data, start displaying
2180 blockLen = bufPtr - buf;
2181 bufPtr = buf;
2182 printf(">\n");
2183 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
2184 while (bufPtr - buf < blockLen) {
2185 bufPtr += 6; // skip (void) timing information
2186 len = *((uint16_t *)bufPtr);
2187 if(len & 0x8000) {
2188 isTag = true;
2189 len &= 0x7fff;
2190 } else {
2191 isTag = false;
2192 }
2193 bufPtr += 2;
2194 if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
2195 memcpy(uid, bufPtr + 2, 7);
2196 memcpy(atqa, bufPtr + 2 + 7, 2);
2197 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
2198 sak = bufPtr[11];
2199 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
2200 sprint_hex(uid + (7 - uid_len), uid_len),
2201 atqa[1],
2202 atqa[0],
2203 sak);
2204 if (wantLogToFile || wantDecrypt) {
2205 FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
2206 AddLogCurrentDT(logHexFileName);
2207 }
2208 if (wantDecrypt)
2209 mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
2210 } else {
2211 PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
2212 if (wantLogToFile)
2213 AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
2214 if (wantDecrypt)
2215 mfTraceDecode(bufPtr, len, wantSaveToEmlFile);
2216 num++;
2217 }
2218 bufPtr += len;
2219 bufPtr += ((len-1)/8+1); // ignore parity
2220 }
2221 pckNum = 0;
2222 }
2223 } // resp not NULL
2224 } // while (true)
2225
2226 free(buf);
2227 return 0;
2228 }
2229
2230 //needs nt, ar, at, Data to decrypt
2231 int CmdDecryptTraceCmds(const char *Cmd){
2232 uint8_t data[50];
2233 int len = 0;
2234 param_gethex_ex(Cmd,3,data,&len);
2235 return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2);
2236 }
2237
2238 static command_t CommandTable[] =
2239 {
2240 {"help", CmdHelp, 1, "This help"},
2241 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
2242 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
2243 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
2244 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
2245 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
2246 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
2247 {"chk", CmdHF14AMfChk, 0, "Test block keys"},
2248 {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},
2249 {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
2250 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
2251 {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},
2252 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},
2253 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
2254 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
2255 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
2256 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
2257 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
2258 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
2259 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
2260 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
2261 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
2262 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
2263 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
2264 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
2265 {"decrypt", CmdDecryptTraceCmds,1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2266 {NULL, NULL, 0, NULL}
2267 };
2268
2269 int CmdHFMF(const char *Cmd)
2270 {
2271 // flush
2272 WaitForResponseTimeout(CMD_ACK,NULL,100);
2273
2274 CmdsParse(CommandTable, Cmd);
2275 return 0;
2276 }
2277
2278 int CmdHelp(const char *Cmd)
2279 {
2280 CmdsHelp(CommandTable);
2281 return 0;
2282 }
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