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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 "cmdhfmf.h"
12 #include "cmdhfmfhard.h"
13 #include "nonce2key/nonce2key.h"
14
15 static int CmdHelp(const char *Cmd);
16
17 int CmdHF14AMifare(const char *Cmd)
18 {
19 uint32_t uid = 0;
20 uint32_t nt = 0, nr = 0;
21 uint64_t par_list = 0, ks_list = 0, r_key = 0;
22 int16_t isOK = 0;
23 int tmpchar;
24 uint8_t blockNo = 0;
25
26 char cmdp = param_getchar(Cmd, 0);
27 if ( cmdp == 'H' || cmdp == 'h') {
28 PrintAndLog("Usage: hf mf mifare <block number>");
29 PrintAndLog(" sample: hf mf mifare 0");
30 return 0;
31 }
32
33 blockNo = param_get8(Cmd, 0);
34 UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, 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 clock_t t1 = clock();
43
44 start:
45 clearCommandBuffer();
46 SendCommand(&c);
47
48 //flush queue
49 while (ukbhit()) {
50 tmpchar = getchar();
51 (void)tmpchar;
52 }
53
54 // wait cycle
55 while (true) {
56 printf(".");
57 fflush(stdout);
58 if (ukbhit()) {
59 tmpchar = getchar();
60 (void)tmpchar;
61 printf("\naborted via keyboard!\n");
62 break;
63 }
64
65 UsbCommand resp;
66 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
67 isOK = resp.arg[0];
68 printf("\n\n");
69 switch (isOK) {
70 case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;
71 case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;
72 case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;
73 case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
74 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;
75 default: ;
76 }
77 uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);
78 nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);
79 par_list = bytes_to_num(resp.d.asBytes + 8, 8);
80 ks_list = bytes_to_num(resp.d.asBytes + 16, 8);
81 nr = bytes_to_num(resp.d.asBytes + 24, 4);
82 break;
83 }
84 }
85
86 printf("\n");
87
88 // error
89 if (isOK != 1) return 1;
90
91 // execute original function from util nonce2key
92 if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {
93 isOK = 2;
94 PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);
95 PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");
96 c.arg[0] = false;
97 goto start;
98 } else {
99 PrintAndLog("Found valid key: %012"llx" \n", r_key);
100 }
101
102 t1 = clock() - t1;
103 if ( t1 > 0 )
104 PrintAndLog("Time in darkside: %.0f ticks - %4.2f sec\n", (float)t1, ((float)t1)/CLOCKS_PER_SEC);
105 return 0;
106 }
107
108 int CmdHF14AMfWrBl(const char *Cmd)
109 {
110 uint8_t blockNo = 0;
111 uint8_t keyType = 0;
112 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
113 uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
114
115 char cmdp = 0x00;
116
117 if (strlen(Cmd)<3) {
118 PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
119 PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
120 return 0;
121 }
122
123 blockNo = param_get8(Cmd, 0);
124 cmdp = param_getchar(Cmd, 1);
125 if (cmdp == 0x00) {
126 PrintAndLog("Key type must be A or B");
127 return 1;
128 }
129 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
130 if (param_gethex(Cmd, 2, key, 12)) {
131 PrintAndLog("Key must include 12 HEX symbols");
132 return 1;
133 }
134 if (param_gethex(Cmd, 3, bldata, 32)) {
135 PrintAndLog("Block data must include 32 HEX symbols");
136 return 1;
137 }
138 PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
139 PrintAndLog("--data: %s", sprint_hex(bldata, 16));
140
141 UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
142 memcpy(c.d.asBytes, key, 6);
143 memcpy(c.d.asBytes + 10, bldata, 16);
144 clearCommandBuffer();
145 SendCommand(&c);
146
147 UsbCommand resp;
148 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
149 uint8_t isOK = resp.arg[0] & 0xff;
150 PrintAndLog("isOk:%02x", isOK);
151 } else {
152 PrintAndLog("Command execute timeout");
153 }
154
155 return 0;
156 }
157
158 int CmdHF14AMfRdBl(const char *Cmd)
159 {
160 uint8_t blockNo = 0;
161 uint8_t keyType = 0;
162 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
163
164 char cmdp = 0x00;
165
166
167 if (strlen(Cmd)<3) {
168 PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>");
169 PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
170 return 0;
171 }
172
173 blockNo = param_get8(Cmd, 0);
174 cmdp = param_getchar(Cmd, 1);
175 if (cmdp == 0x00) {
176 PrintAndLog("Key type must be A or B");
177 return 1;
178 }
179 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
180 if (param_gethex(Cmd, 2, key, 12)) {
181 PrintAndLog("Key must include 12 HEX symbols");
182 return 1;
183 }
184 PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
185
186 UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
187 memcpy(c.d.asBytes, key, 6);
188 clearCommandBuffer();
189 SendCommand(&c);
190
191 UsbCommand resp;
192 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
193 uint8_t isOK = resp.arg[0] & 0xff;
194 uint8_t *data = resp.d.asBytes;
195
196 if (isOK)
197 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
198 else
199 PrintAndLog("isOk:%02x", isOK);
200 } else {
201 PrintAndLog("Command execute timeout");
202 }
203
204 return 0;
205 }
206
207 int CmdHF14AMfRdSc(const char *Cmd)
208 {
209 int i;
210 uint8_t sectorNo = 0;
211 uint8_t keyType = 0;
212 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
213 uint8_t isOK = 0;
214 uint8_t *data = NULL;
215 char cmdp = 0x00;
216
217 if (strlen(Cmd)<3) {
218 PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>");
219 PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
220 return 0;
221 }
222
223 sectorNo = param_get8(Cmd, 0);
224 if (sectorNo > 39) {
225 PrintAndLog("Sector number must be less than 40");
226 return 1;
227 }
228 cmdp = param_getchar(Cmd, 1);
229 if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
230 PrintAndLog("Key type must be A or B");
231 return 1;
232 }
233 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
234 if (param_gethex(Cmd, 2, key, 12)) {
235 PrintAndLog("Key must include 12 HEX symbols");
236 return 1;
237 }
238 PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
239
240 UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
241 memcpy(c.d.asBytes, key, 6);
242 clearCommandBuffer();
243 SendCommand(&c);
244 PrintAndLog(" ");
245
246 UsbCommand resp;
247 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
248 isOK = resp.arg[0] & 0xff;
249 data = resp.d.asBytes;
250
251 PrintAndLog("isOk:%02x", isOK);
252 if (isOK) {
253 for (i = 0; i < (sectorNo<32?3:15); i++) {
254 PrintAndLog("data : %s", sprint_hex(data + i * 16, 16));
255 }
256 PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
257 }
258 } else {
259 PrintAndLog("Command execute timeout");
260 }
261
262 return 0;
263 }
264
265 uint8_t FirstBlockOfSector(uint8_t sectorNo)
266 {
267 if (sectorNo < 32) {
268 return sectorNo * 4;
269 } else {
270 return 32 * 4 + (sectorNo - 32) * 16;
271 }
272 }
273
274 uint8_t NumBlocksPerSector(uint8_t sectorNo)
275 {
276 if (sectorNo < 32) {
277 return 4;
278 } else {
279 return 16;
280 }
281 }
282
283 int CmdHF14AMfDump(const char *Cmd)
284 {
285 uint8_t sectorNo, blockNo;
286
287 uint8_t keyA[40][6];
288 uint8_t keyB[40][6];
289 uint8_t rights[40][4];
290 uint8_t carddata[256][16];
291 uint8_t numSectors = 16;
292
293 FILE *fin;
294 FILE *fout;
295
296 UsbCommand resp;
297
298 char cmdp = param_getchar(Cmd, 0);
299 switch (cmdp) {
300 case '0' : numSectors = 5; break;
301 case '1' :
302 case '\0': numSectors = 16; break;
303 case '2' : numSectors = 32; break;
304 case '4' : numSectors = 40; break;
305 default: numSectors = 16;
306 }
307
308 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
309 PrintAndLog("Usage: hf mf dump [card memory]");
310 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
311 PrintAndLog("");
312 PrintAndLog("Samples: hf mf dump");
313 PrintAndLog(" hf mf dump 4");
314 return 0;
315 }
316
317 if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
318 PrintAndLog("Could not find file dumpkeys.bin");
319 return 1;
320 }
321
322 // Read keys A from file
323 size_t bytes_read;
324 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
325 bytes_read = fread( keyA[sectorNo], 1, 6, fin );
326 if ( bytes_read == 0) {
327 PrintAndLog("File reading error.");
328 fclose(fin);
329 return 2;
330 }
331 }
332
333 // Read keys B from file
334 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
335 bytes_read = fread( keyB[sectorNo], 1, 6, fin );
336 if ( bytes_read == 0) {
337 PrintAndLog("File reading error.");
338 fclose(fin);
339 return 2;
340 }
341 }
342
343 fclose(fin);
344
345 PrintAndLog("|-----------------------------------------|");
346 PrintAndLog("|------ Reading sector access bits...-----|");
347 PrintAndLog("|-----------------------------------------|");
348
349 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
350 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
351 memcpy(c.d.asBytes, keyA[sectorNo], 6);
352 clearCommandBuffer();
353 SendCommand(&c);
354
355 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
356 uint8_t isOK = resp.arg[0] & 0xff;
357 uint8_t *data = resp.d.asBytes;
358 if (isOK){
359 rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0
360 rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1
361 rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2
362 rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer
363 } else {
364 PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
365 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
366 rights[sectorNo][3] = 0x01;
367 }
368 } else {
369 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
370 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
371 rights[sectorNo][3] = 0x01;
372 }
373 }
374
375 PrintAndLog("|-----------------------------------------|");
376 PrintAndLog("|----- Dumping all blocks to file... -----|");
377 PrintAndLog("|-----------------------------------------|");
378
379 bool isOK = true;
380 for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
381 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
382 bool received = false;
383
384 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A.
385 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
386 memcpy(c.d.asBytes, keyA[sectorNo], 6);
387 clearCommandBuffer();
388 SendCommand(&c);
389 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
390 } else { // data block. Check if it can be read with key A or key B
391 uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
392 if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work
393 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
394 memcpy(c.d.asBytes, keyB[sectorNo], 6);
395 SendCommand(&c);
396 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
397 } else if (rights[sectorNo][data_area] == 0x07) { // no key would work
398 isOK = false;
399 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
400 } else { // key A would work
401 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
402 memcpy(c.d.asBytes, keyA[sectorNo], 6);
403 clearCommandBuffer();
404 SendCommand(&c);
405 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
406 }
407 }
408
409 if (received) {
410 isOK = resp.arg[0] & 0xff;
411 uint8_t *data = resp.d.asBytes;
412 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys.
413 data[0] = (keyA[sectorNo][0]);
414 data[1] = (keyA[sectorNo][1]);
415 data[2] = (keyA[sectorNo][2]);
416 data[3] = (keyA[sectorNo][3]);
417 data[4] = (keyA[sectorNo][4]);
418 data[5] = (keyA[sectorNo][5]);
419 data[10] = (keyB[sectorNo][0]);
420 data[11] = (keyB[sectorNo][1]);
421 data[12] = (keyB[sectorNo][2]);
422 data[13] = (keyB[sectorNo][3]);
423 data[14] = (keyB[sectorNo][4]);
424 data[15] = (keyB[sectorNo][5]);
425 }
426 if (isOK) {
427 memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
428 PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
429 } else {
430 PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
431 break;
432 }
433 }
434 else {
435 isOK = false;
436 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
437 break;
438 }
439 }
440 }
441
442 if (isOK) {
443 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
444 PrintAndLog("Could not create file name dumpdata.bin");
445 return 1;
446 }
447 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
448 fwrite(carddata, 1, 16*numblocks, fout);
449 fclose(fout);
450 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
451 }
452
453 return 0;
454 }
455
456 int CmdHF14AMfRestore(const char *Cmd)
457 {
458 uint8_t sectorNo,blockNo;
459 uint8_t keyType = 0;
460 uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
461 uint8_t bldata[16] = {0x00};
462 uint8_t keyA[40][6];
463 uint8_t keyB[40][6];
464 uint8_t numSectors;
465
466 FILE *fdump;
467 FILE *fkeys;
468
469 char cmdp = param_getchar(Cmd, 0);
470 switch (cmdp) {
471 case '0' : numSectors = 5; break;
472 case '1' :
473 case '\0': numSectors = 16; break;
474 case '2' : numSectors = 32; break;
475 case '4' : numSectors = 40; break;
476 default: numSectors = 16;
477 }
478
479 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
480 PrintAndLog("Usage: hf mf restore [card memory]");
481 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
482 PrintAndLog("");
483 PrintAndLog("Samples: hf mf restore");
484 PrintAndLog(" hf mf restore 4");
485 return 0;
486 }
487
488 if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
489 PrintAndLog("Could not find file dumpkeys.bin");
490 return 1;
491 }
492
493 size_t bytes_read;
494 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
495 bytes_read = fread( keyA[sectorNo], 1, 6, fkeys );
496 if ( bytes_read == 0) {
497 PrintAndLog("File reading error (dumpkeys.bin).");
498 fclose(fkeys);
499 return 2;
500 }
501 }
502
503 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
504 bytes_read = fread( keyB[sectorNo], 1, 6, fkeys );
505 if ( bytes_read == 0) {
506 PrintAndLog("File reading error (dumpkeys.bin).");
507 fclose(fkeys);
508 return 2;
509 }
510 }
511
512 fclose(fkeys);
513
514 if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
515 PrintAndLog("Could not find file dumpdata.bin");
516 return 1;
517 }
518 PrintAndLog("Restoring dumpdata.bin to card");
519
520 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
521 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
522 UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
523 memcpy(c.d.asBytes, key, 6);
524 bytes_read = fread(bldata, 1, 16, fdump);
525 if ( bytes_read == 0) {
526 PrintAndLog("File reading error (dumpdata.bin).");
527 fclose(fdump);
528 return 2;
529 }
530
531 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer
532 bldata[0] = (keyA[sectorNo][0]);
533 bldata[1] = (keyA[sectorNo][1]);
534 bldata[2] = (keyA[sectorNo][2]);
535 bldata[3] = (keyA[sectorNo][3]);
536 bldata[4] = (keyA[sectorNo][4]);
537 bldata[5] = (keyA[sectorNo][5]);
538 bldata[10] = (keyB[sectorNo][0]);
539 bldata[11] = (keyB[sectorNo][1]);
540 bldata[12] = (keyB[sectorNo][2]);
541 bldata[13] = (keyB[sectorNo][3]);
542 bldata[14] = (keyB[sectorNo][4]);
543 bldata[15] = (keyB[sectorNo][5]);
544 }
545
546 PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
547
548 memcpy(c.d.asBytes + 10, bldata, 16);
549 clearCommandBuffer();
550 SendCommand(&c);
551
552 UsbCommand resp;
553 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
554 uint8_t isOK = resp.arg[0] & 0xff;
555 PrintAndLog("isOk:%02x", isOK);
556 } else {
557 PrintAndLog("Command execute timeout");
558 }
559 }
560 }
561
562 fclose(fdump);
563 return 0;
564 }
565
566 int CmdHF14AMfNested(const char *Cmd)
567 {
568 int i, j, res, iterations;
569 sector *e_sector = NULL;
570 uint8_t blockNo = 0;
571 uint8_t keyType = 0;
572 uint8_t trgBlockNo = 0;
573 uint8_t trgKeyType = 0;
574 uint8_t SectorsCnt = 0;
575 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
576 uint8_t keyBlock[6*6];
577 uint64_t key64 = 0;
578 bool transferToEml = false;
579
580 bool createDumpFile = false;
581 FILE *fkeys;
582 uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
583 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
584
585 char cmdp, ctmp;
586
587 if (strlen(Cmd)<3) {
588 PrintAndLog("Usage:");
589 PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t,d]");
590 PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>");
591 PrintAndLog(" <target block number> <target key A/B> [t]");
592 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
593 PrintAndLog("t - transfer keys into emulator memory");
594 PrintAndLog("d - write keys to binary file");
595 PrintAndLog(" ");
596 PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");
597 PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");
598 PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");
599 PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");
600 return 0;
601 }
602
603 cmdp = param_getchar(Cmd, 0);
604 blockNo = param_get8(Cmd, 1);
605 ctmp = param_getchar(Cmd, 2);
606
607 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
608 PrintAndLog("Key type must be A or B");
609 return 1;
610 }
611
612 if (ctmp != 'A' && ctmp != 'a')
613 keyType = 1;
614
615 if (param_gethex(Cmd, 3, key, 12)) {
616 PrintAndLog("Key must include 12 HEX symbols");
617 return 1;
618 }
619
620 if (cmdp == 'o' || cmdp == 'O') {
621 cmdp = 'o';
622 trgBlockNo = param_get8(Cmd, 4);
623 ctmp = param_getchar(Cmd, 5);
624 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
625 PrintAndLog("Target key type must be A or B");
626 return 1;
627 }
628 if (ctmp != 'A' && ctmp != 'a')
629 trgKeyType = 1;
630 } else {
631
632 switch (cmdp) {
633 case '0': SectorsCnt = 05; break;
634 case '1': SectorsCnt = 16; break;
635 case '2': SectorsCnt = 32; break;
636 case '4': SectorsCnt = 40; break;
637 default: SectorsCnt = 16;
638 }
639 }
640
641 ctmp = param_getchar(Cmd, 4);
642 if (ctmp == 't' || ctmp == 'T') transferToEml = true;
643 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true;
644
645 ctmp = param_getchar(Cmd, 6);
646 transferToEml |= (ctmp == 't' || ctmp == 'T');
647 transferToEml |= (ctmp == 'd' || ctmp == 'D');
648
649 if (cmdp == 'o') {
650 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
651 switch (isOK) {
652 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
653 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
654 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
655 case -4 : PrintAndLog("No valid key found"); break;
656 case -5 :
657 key64 = bytes_to_num(keyBlock, 6);
658
659 // transfer key to the emulator
660 if (transferToEml) {
661 uint8_t sectortrailer;
662 if (trgBlockNo < 32*4) { // 4 block sector
663 sectortrailer = (trgBlockNo & 0x03) + 3;
664 } else { // 16 block sector
665 sectortrailer = (trgBlockNo & 0x0f) + 15;
666 }
667 mfEmlGetMem(keyBlock, sectortrailer, 1);
668
669 if (!trgKeyType)
670 num_to_bytes(key64, 6, keyBlock);
671 else
672 num_to_bytes(key64, 6, &keyBlock[10]);
673 mfEmlSetMem(keyBlock, sectortrailer, 1);
674 }
675 return 0;
676 default : PrintAndLog("Unknown Error.\n");
677 }
678 return 2;
679 }
680 else { // ------------------------------------ multiple sectors working
681 clock_t t1 = clock();
682
683 e_sector = calloc(SectorsCnt, sizeof(sector));
684 if (e_sector == NULL) return 1;
685
686 //test current key and additional standard keys first
687 memcpy(keyBlock, key, 6);
688 num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6));
689 num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6));
690 num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6));
691 num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6));
692 num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6));
693
694 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
695 for (i = 0; i < SectorsCnt; i++) {
696 for (j = 0; j < 2; j++) {
697 if (e_sector[i].foundKey[j]) continue;
698
699 res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64);
700
701 if (!res) {
702 e_sector[i].Key[j] = key64;
703 e_sector[i].foundKey[j] = TRUE;
704 }
705 }
706 }
707 clock_t t2 = clock() - t1;
708 if ( t2 > 0 )
709 PrintAndLog("Time to check 6 known keys: %.0f ticks %4.2f sec", (float)t2, ((float)t2)/CLOCKS_PER_SEC);
710
711 PrintAndLog("enter nested...");
712
713 // nested sectors
714 iterations = 0;
715 bool calibrate = true;
716
717 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
718 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; ++sectorNo) {
719 for (trgKeyType = 0; trgKeyType < 2; ++trgKeyType) {
720
721 if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
722
723 int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
724 switch (isOK) {
725 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
726 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
727 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
728 case -4 : //key not found
729 calibrate = false;
730 iterations++;
731 continue;
732 case -5 :
733 calibrate = false;
734 iterations++;
735 e_sector[sectorNo].foundKey[trgKeyType] = 1;
736 e_sector[sectorNo].Key[trgKeyType] = bytes_to_num(keyBlock, 6);
737 continue;
738
739 default : PrintAndLog("Unknown Error.\n");
740 }
741 free(e_sector);
742 return 2;
743 }
744 }
745 }
746
747 t1 = clock() - t1;
748 if ( t1 > 0 )
749 PrintAndLog("Time in nested: %.0f ticks %4.2f sec (%4.2f sec per key)\n", (float)t1, ((float)t1)/CLOCKS_PER_SEC, ((float)t1)/iterations/CLOCKS_PER_SEC);
750
751 // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag?
752 PrintAndLog("trying to read key B...");
753 for (i = 0; i < SectorsCnt; i++) {
754 // KEY A but not KEY B
755 if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {
756
757 uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
758
759 PrintAndLog("Reading block %d", sectrail);
760
761 UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};
762 num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A
763 clearCommandBuffer();
764 SendCommand(&c);
765
766 UsbCommand resp;
767 if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;
768
769 uint8_t isOK = resp.arg[0] & 0xff;
770 if (!isOK) continue;
771
772 uint8_t *data = resp.d.asBytes;
773 key64 = bytes_to_num(data+10, 6);
774 if (key64) {
775 PrintAndLog("Data:%s", sprint_hex(data+10, 6));
776 e_sector[i].foundKey[1] = TRUE;
777 e_sector[i].Key[1] = key64;
778 }
779 }
780 }
781
782
783 //print them
784 printKeyTable( SectorsCnt, e_sector );
785
786 // transfer them to the emulator
787 if (transferToEml) {
788 for (i = 0; i < SectorsCnt; i++) {
789 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
790 if (e_sector[i].foundKey[0])
791 num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
792 if (e_sector[i].foundKey[1])
793 num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
794 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
795 }
796 }
797
798 // Create dump file
799 if (createDumpFile) {
800 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
801 PrintAndLog("Could not create file dumpkeys.bin");
802 free(e_sector);
803 return 1;
804 }
805 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
806 for(i=0; i<SectorsCnt; i++) {
807 if (e_sector[i].foundKey[0]){
808 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
809 fwrite ( tempkey, 1, 6, fkeys );
810 }
811 else{
812 fwrite ( &standart, 1, 6, fkeys );
813 }
814 }
815 for(i=0; i<SectorsCnt; i++) {
816 if (e_sector[i].foundKey[1]){
817 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
818 fwrite ( tempkey, 1, 6, fkeys );
819 }
820 else{
821 fwrite ( &standart, 1, 6, fkeys );
822 }
823 }
824 fclose(fkeys);
825 }
826
827 free(e_sector);
828 }
829 return 0;
830 }
831
832 int CmdHF14AMfNestedHard(const char *Cmd)
833 {
834 uint8_t blockNo = 0;
835 uint8_t keyType = 0;
836 uint8_t trgBlockNo = 0;
837 uint8_t trgKeyType = 0;
838 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
839 uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};
840
841 char ctmp;
842 ctmp = param_getchar(Cmd, 0);
843
844 if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) {
845 PrintAndLog("Usage:");
846 PrintAndLog(" hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");
847 PrintAndLog(" <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");
848 PrintAndLog(" or hf mf hardnested r [known target key]");
849 PrintAndLog(" ");
850 PrintAndLog("Options: ");
851 PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin");
852 PrintAndLog(" s: Slower acquisition (required by some non standard cards)");
853 PrintAndLog(" r: Read nonces.bin and start attack");
854 PrintAndLog(" ");
855 PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
856 PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
857 PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");
858 PrintAndLog(" sample4: hf mf hardnested r");
859 PrintAndLog(" ");
860 PrintAndLog("Add the known target key to check if it is present in the remaining key space:");
861 PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");
862 return 0;
863 }
864
865 bool know_target_key = false;
866 bool nonce_file_read = false;
867 bool nonce_file_write = false;
868 bool slow = false;
869 int tests = 0;
870
871
872 if (ctmp == 'R' || ctmp == 'r') {
873 nonce_file_read = true;
874 if (!param_gethex(Cmd, 1, trgkey, 12)) {
875 know_target_key = true;
876 }
877 } else if (ctmp == 'T' || ctmp == 't') {
878 tests = param_get32ex(Cmd, 1, 100, 10);
879 } else {
880 blockNo = param_get8(Cmd, 0);
881 ctmp = param_getchar(Cmd, 1);
882 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
883 PrintAndLog("Key type must be A or B");
884 return 1;
885 }
886 if (ctmp != 'A' && ctmp != 'a') {
887 keyType = 1;
888 }
889
890 if (param_gethex(Cmd, 2, key, 12)) {
891 PrintAndLog("Key must include 12 HEX symbols");
892 return 1;
893 }
894
895 trgBlockNo = param_get8(Cmd, 3);
896 ctmp = param_getchar(Cmd, 4);
897 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
898 PrintAndLog("Target key type must be A or B");
899 return 1;
900 }
901 if (ctmp != 'A' && ctmp != 'a') {
902 trgKeyType = 1;
903 }
904
905 uint16_t i = 5;
906
907 if (!param_gethex(Cmd, 5, trgkey, 12)) {
908 know_target_key = true;
909 i++;
910 }
911
912 while ((ctmp = param_getchar(Cmd, i))) {
913 if (ctmp == 's' || ctmp == 'S') {
914 slow = true;
915 } else if (ctmp == 'w' || ctmp == 'W') {
916 nonce_file_write = true;
917 } else {
918 PrintAndLog("Possible options are w and/or s");
919 return 1;
920 }
921 i++;
922 }
923 }
924
925 PrintAndLog("--target block no:%3d, target key type:%c, known target key: 0x%02x%02x%02x%02x%02x%02x%s, file action: %s, Slow: %s, Tests: %d ",
926 trgBlockNo,
927 trgKeyType?'B':'A',
928 trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],
929 know_target_key?"":" (not set)",
930 nonce_file_write?"write":nonce_file_read?"read":"none",
931 slow?"Yes":"No",
932 tests);
933
934 int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);
935
936 if (isOK) {
937 switch (isOK) {
938 case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
939 case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;
940 default : break;
941 }
942 return 2;
943 }
944
945 return 0;
946 }
947
948 int CmdHF14AMfChk(const char *Cmd)
949 {
950 if (strlen(Cmd)<3) {
951 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");
952 PrintAndLog(" * - all sectors");
953 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
954 PrintAndLog("d - write keys to binary file");
955 PrintAndLog("t - write keys to emulator memory\n");
956 PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic");
957 PrintAndLog(" hf mf chk *1 ? t");
958 PrintAndLog(" hf mf chk *1 ? d");
959 return 0;
960 }
961
962 FILE * f;
963 char filename[FILE_PATH_SIZE]={0};
964 char buf[13];
965 uint8_t *keyBlock = NULL, *p;
966 uint8_t stKeyBlock = 20;
967
968 sector *e_sector = NULL;
969
970 int i, res;
971 int keycnt = 0;
972 char ctmp = 0x00;
973 uint8_t blockNo = 0;
974 uint8_t SectorsCnt = 1;
975 uint8_t keyType = 0;
976 uint64_t key64 = 0;
977
978 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
979
980 int transferToEml = 0;
981 int createDumpFile = 0;
982
983 keyBlock = calloc(stKeyBlock, 6);
984 if (keyBlock == NULL) return 1;
985
986 uint64_t defaultKeys[] = {
987 0xffffffffffff, // Default key (first key used by program if no user defined key)
988 0x000000000000, // Blank key
989 0xa0a1a2a3a4a5, // NFCForum MAD key
990 0xb0b1b2b3b4b5,
991 0xaabbccddeeff,
992 0x4d3a99c351dd,
993 0x1a982c7e459a,
994 0xd3f7d3f7d3f7,
995 0x714c5c886e97,
996 0x587ee5f9350f,
997 0xa0478cc39091,
998 0x533cb6c723f6,
999 0x8fd0a4f256e9
1000 };
1001 int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);
1002
1003 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)
1004 num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
1005
1006
1007 if (param_getchar(Cmd, 0)=='*') {
1008 blockNo = 3;
1009 switch(param_getchar(Cmd+1, 0)) {
1010 case '0': SectorsCnt = 5; break;
1011 case '1': SectorsCnt = 16; break;
1012 case '2': SectorsCnt = 32; break;
1013 case '4': SectorsCnt = 40; break;
1014 default: SectorsCnt = 16;
1015 }
1016 } else {
1017 blockNo = param_get8(Cmd, 0);
1018 }
1019
1020 ctmp = param_getchar(Cmd, 1);
1021 switch (ctmp) {
1022 case 'a': case 'A':
1023 keyType = !0;
1024 break;
1025 case 'b': case 'B':
1026 keyType = !1;
1027 break;
1028 case '?':
1029 keyType = 2;
1030 break;
1031 default:
1032 PrintAndLog("Key type must be A , B or ?");
1033 free(keyBlock);
1034 return 1;
1035 };
1036
1037 ctmp = param_getchar(Cmd, 2);
1038 if (ctmp == 't' || ctmp == 'T') transferToEml = 1;
1039 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;
1040
1041 for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {
1042 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
1043 if ( stKeyBlock - keycnt < 2) {
1044 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1045 if (!p) {
1046 PrintAndLog("Cannot allocate memory for Keys");
1047 free(keyBlock);
1048 return 2;
1049 }
1050 keyBlock = p;
1051 }
1052 PrintAndLog("key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1053 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1054 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1055 keycnt++;
1056 } else {
1057 // May be a dic file
1058 if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {
1059 PrintAndLog("File name too long");
1060 free(keyBlock);
1061 return 2;
1062 }
1063
1064 if ( (f = fopen( filename , "r")) ) {
1065 while( fgets(buf, sizeof(buf), f) ){
1066 if (strlen(buf) < 12 || buf[11] == '\n')
1067 continue;
1068
1069 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1070
1071 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
1072
1073 if (!isxdigit(buf[0])){
1074 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
1075 continue;
1076 }
1077
1078 buf[12] = 0;
1079
1080 if ( stKeyBlock - keycnt < 2) {
1081 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1082 if (!p) {
1083 PrintAndLog("Cannot allocate memory for defKeys");
1084 free(keyBlock);
1085 fclose(f);
1086 return 2;
1087 }
1088 keyBlock = p;
1089 }
1090 memset(keyBlock + 6 * keycnt, 0, 6);
1091 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
1092 PrintAndLog("check key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
1093 keycnt++;
1094 memset(buf, 0, sizeof(buf));
1095 }
1096 fclose(f);
1097 } else {
1098 PrintAndLog("File: %s: not found or locked.", filename);
1099 free(keyBlock);
1100 return 1;
1101
1102 }
1103 }
1104 }
1105
1106 if (keycnt == 0) {
1107 PrintAndLog("No key specified, trying default keys");
1108 for (;keycnt < defaultKeysSize; keycnt++)
1109 PrintAndLog("key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1110 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1111 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1112 }
1113
1114 // initialize storage for found keys
1115 e_sector = calloc(SectorsCnt, sizeof(sector));
1116 if (e_sector == NULL) {
1117 free(keyBlock);
1118 return 1;
1119 }
1120
1121 uint8_t trgKeyType = 0;
1122 uint32_t max_keys = keycnt > (USB_CMD_DATA_SIZE/6) ? (USB_CMD_DATA_SIZE/6) : keycnt;
1123
1124 // time
1125 clock_t t1 = clock();
1126
1127 // check keys.
1128 for (trgKeyType = 0; trgKeyType < 2; ++trgKeyType) {
1129
1130 int b = blockNo;
1131 for (int i = 0; i < SectorsCnt; ++i) {
1132
1133 // skip already found keys.
1134 if (e_sector[i].foundKey[trgKeyType]) continue;
1135
1136
1137 for (uint32_t c = 0; c < keycnt; c += max_keys) {
1138
1139 uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;
1140
1141 res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64);
1142 if (!res) {
1143 //PrintAndLog("Sector:%3d Block:%3d, key type: %C -- Found key [%012"llx"]", i, b, trgKeyType ? 'B':'A', key64);
1144
1145 e_sector[i].Key[trgKeyType] = key64;
1146 e_sector[i].foundKey[trgKeyType] = TRUE;
1147 break;
1148 } else {
1149 e_sector[i].Key[trgKeyType] = 0xffffffffffff;
1150 e_sector[i].foundKey[trgKeyType] = FALSE;
1151 }
1152 }
1153 b < 127 ? ( b +=4 ) : ( b += 16 );
1154 }
1155 }
1156
1157 t1 = clock() - t1;
1158 if ( t1 > 0 )
1159 printf("Time in checkkeys: %.0f ticks %1.2f sec (%1.2f sec per key)\n\n", (float)t1, ((float)t1)/CLOCKS_PER_SEC, ((float)t1)/keycnt/CLOCKS_PER_SEC);
1160
1161 // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag?
1162 PrintAndLog("testing to read B...");
1163 for (i = 0; i < SectorsCnt; i++) {
1164 // KEY A but not KEY B
1165 if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {
1166
1167 uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1168
1169 PrintAndLog("Reading block %d", sectrail);
1170
1171 UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};
1172 num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A
1173 clearCommandBuffer();
1174 SendCommand(&c);
1175
1176 UsbCommand resp;
1177 if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;
1178
1179 uint8_t isOK = resp.arg[0] & 0xff;
1180 if (!isOK) continue;
1181
1182 uint8_t *data = resp.d.asBytes;
1183 key64 = bytes_to_num(data+10, 6);
1184 if (key64) {
1185 PrintAndLog("Data:%s", sprint_hex(data+10, 6));
1186 e_sector[i].foundKey[1] = 1;
1187 e_sector[i].Key[1] = key64;
1188 }
1189 }
1190 }
1191
1192
1193 //print them
1194 printKeyTable( SectorsCnt, e_sector );
1195
1196 if (transferToEml) {
1197 uint8_t block[16] = {0x00};
1198 for (uint8_t i = 0; i < SectorsCnt; ++i ) {
1199 mfEmlGetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
1200 if (e_sector[i].foundKey[0])
1201 num_to_bytes(e_sector[i].Key[0], 6, block);
1202 if (e_sector[i].foundKey[1])
1203 num_to_bytes(e_sector[i].Key[1], 6, block+10);
1204 mfEmlSetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
1205 }
1206 PrintAndLog("Found keys have been transferred to the emulator memory");
1207 }
1208
1209 if (createDumpFile) {
1210 FILE *fkeys = fopen("dumpkeys.bin","wb");
1211 if (fkeys == NULL) {
1212 PrintAndLog("Could not create file dumpkeys.bin");
1213 free(keyBlock);
1214 free(e_sector);
1215 return 1;
1216 }
1217 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
1218
1219 for( i=0; i<SectorsCnt; i++) {
1220 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
1221 fwrite ( tempkey, 1, 6, fkeys );
1222 }
1223 for(i=0; i<SectorsCnt; i++) {
1224 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
1225 fwrite ( tempkey, 1, 6, fkeys );
1226 }
1227 fclose(fkeys);
1228 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1229 }
1230
1231 free(keyBlock);
1232 free(e_sector);
1233 PrintAndLog("");
1234 return 0;
1235 }
1236
1237 void printKeyTable( uint8_t sectorscnt, sector *e_sector ){
1238 PrintAndLog("|---|----------------|---|----------------|---|");
1239 PrintAndLog("|sec|key A |res|key B |res|");
1240 PrintAndLog("|---|----------------|---|----------------|---|");
1241 for (uint8_t i = 0; i < sectorscnt; ++i) {
1242 PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i,
1243 e_sector[i].Key[0], e_sector[i].foundKey[0],
1244 e_sector[i].Key[1], e_sector[i].foundKey[1]
1245 );
1246 }
1247 PrintAndLog("|---|----------------|---|----------------|---|");
1248 }
1249
1250 int CmdHF14AMf1kSim(const char *Cmd)
1251 {
1252 uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};
1253 uint8_t exitAfterNReads = 0;
1254 uint8_t flags = 0;
1255
1256 uint8_t cmdp = param_getchar(Cmd, 0);
1257
1258 if (cmdp == 'h' || cmdp == 'H') {
1259 PrintAndLog("Usage: hf mf sim u <uid (8 hex symbols)> n <numreads> i x");
1260 PrintAndLog(" h this help");
1261 PrintAndLog(" u (Optional) UID. If not specified, the UID from emulator memory will be used");
1262 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1263 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1264 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1265 PrintAndLog("");
1266 PrintAndLog(" sample: hf mf sim u 0a0a0a0a ");
1267 return 0;
1268 }
1269 uint8_t pnr = 0;
1270 if (param_getchar(Cmd, pnr) == 'u') {
1271 if(param_gethex(Cmd, pnr+1, uid, 8) == 0)
1272 {
1273 flags |= FLAG_4B_UID_IN_DATA; // UID from packet
1274 } else if(param_gethex(Cmd,pnr+1,uid,14) == 0) {
1275 flags |= FLAG_7B_UID_IN_DATA;// UID from packet
1276 } else {
1277 PrintAndLog("UID, if specified, must include 8 or 14 HEX symbols");
1278 return 1;
1279 }
1280 pnr +=2;
1281 }
1282
1283 if (param_getchar(Cmd, pnr) == 'n') {
1284 exitAfterNReads = param_get8(Cmd,pnr+1);
1285 pnr += 2;
1286 }
1287
1288 if (param_getchar(Cmd, pnr) == 'i' ) {
1289 //Using a flag to signal interactiveness, least significant bit
1290 flags |= FLAG_INTERACTIVE;
1291 pnr++;
1292 }
1293
1294 if (param_getchar(Cmd, pnr) == 'x' ) {
1295 //Using a flag to signal interactiveness, least significant bit
1296 flags |= FLAG_NR_AR_ATTACK;
1297 }
1298
1299 PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) ",
1300 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1301 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): "N/A"
1302 , exitAfterNReads
1303 , flags
1304 , flags);
1305
1306
1307 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1308 memcpy(c.d.asBytes, uid, sizeof(uid));
1309 clearCommandBuffer();
1310 SendCommand(&c);
1311
1312 if(flags & FLAG_INTERACTIVE)
1313 {
1314 uint8_t data[40];
1315 uint8_t key[6];
1316
1317 UsbCommand resp;
1318 PrintAndLog("Press pm3-button or send another cmd to abort simulation");
1319
1320 while( !ukbhit() ){
1321 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue;
1322
1323 if ( !(flags & FLAG_NR_AR_ATTACK) ) break;
1324
1325 if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;
1326
1327 memset(data, 0x00, sizeof(data));
1328 memset(key, 0x00, sizeof(key));
1329 int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
1330
1331 memcpy(data, resp.d.asBytes, len);
1332
1333 uint64_t corr_uid = 0;
1334
1335 // this IF? what was I thinking of?
1336 if ( memcmp(data, "\x00\x00\x00\x00", 4) == 0 ) {
1337 corr_uid = ((uint64_t)(data[3] << 24)) | (data[2] << 16) | (data[1] << 8) | data[0];
1338 tryMfk32(corr_uid, data, key);
1339 } else {
1340 corr_uid |= (uint64_t)data[2] << 48;
1341 corr_uid |= (uint64_t)data[1] << 40;
1342 corr_uid |= (uint64_t)data[0] << 32;
1343 corr_uid |= (uint64_t)data[7] << 24;
1344 corr_uid |= (uint64_t)data[6] << 16;
1345 corr_uid |= (uint64_t)data[5] << 8;
1346 corr_uid |= (uint64_t)data[4];
1347 tryMfk64(corr_uid, data, key);
1348 }
1349 PrintAndLog("--");
1350 }
1351 }
1352 return 0;
1353 }
1354
1355 int CmdHF14AMfDbg(const char *Cmd)
1356 {
1357 int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1358 if (dbgMode > 4) {
1359 PrintAndLog("Max debug mode parameter is 4 \n");
1360 }
1361
1362 if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1363 PrintAndLog("Usage: hf mf dbg <debug level>");
1364 PrintAndLog(" 0 - no debug messages");
1365 PrintAndLog(" 1 - error messages");
1366 PrintAndLog(" 2 - plus information messages");
1367 PrintAndLog(" 3 - plus debug messages");
1368 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1369 PrintAndLog(" Note: this option therefore may cause malfunction itself");
1370 return 0;
1371 }
1372
1373 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1374 SendCommand(&c);
1375
1376 return 0;
1377 }
1378
1379 int CmdHF14AMfEGet(const char *Cmd)
1380 {
1381 uint8_t blockNo = 0;
1382 uint8_t data[16] = {0x00};
1383
1384 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1385 PrintAndLog("Usage: hf mf eget <block number>");
1386 PrintAndLog(" sample: hf mf eget 0 ");
1387 return 0;
1388 }
1389
1390 blockNo = param_get8(Cmd, 0);
1391
1392 PrintAndLog(" ");
1393 if (!mfEmlGetMem(data, blockNo, 1)) {
1394 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1395 } else {
1396 PrintAndLog("Command execute timeout");
1397 }
1398
1399 return 0;
1400 }
1401
1402 int CmdHF14AMfEClear(const char *Cmd)
1403 {
1404 if (param_getchar(Cmd, 0) == 'h') {
1405 PrintAndLog("Usage: hf mf eclr");
1406 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1407 return 0;
1408 }
1409
1410 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1411 SendCommand(&c);
1412 return 0;
1413 }
1414
1415 int CmdHF14AMfESet(const char *Cmd)
1416 {
1417 uint8_t memBlock[16];
1418 uint8_t blockNo = 0;
1419
1420 memset(memBlock, 0x00, sizeof(memBlock));
1421
1422 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1423 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1424 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1425 return 0;
1426 }
1427
1428 blockNo = param_get8(Cmd, 0);
1429
1430 if (param_gethex(Cmd, 1, memBlock, 32)) {
1431 PrintAndLog("block data must include 32 HEX symbols");
1432 return 1;
1433 }
1434
1435 // 1 - blocks count
1436 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};
1437 memcpy(c.d.asBytes, memBlock, 16);
1438 SendCommand(&c);
1439 return 0;
1440 }
1441
1442 int CmdHF14AMfELoad(const char *Cmd)
1443 {
1444 FILE * f;
1445 char filename[FILE_PATH_SIZE];
1446 char *fnameptr = filename;
1447 char buf[64] = {0x00};
1448 uint8_t buf8[64] = {0x00};
1449 int i, len, blockNum, numBlocks;
1450 int nameParamNo = 1;
1451 uint8_t blockWidth = 32;
1452 char ctmp = param_getchar(Cmd, 0);
1453
1454 if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1455 PrintAndLog("It loads emul dump from the file `filename.eml`");
1456 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`> [numblocks]");
1457 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL");
1458 PrintAndLog("");
1459 PrintAndLog(" sample: hf mf eload filename");
1460 PrintAndLog(" hf mf eload 4 filename");
1461 return 0;
1462 }
1463
1464 switch (ctmp) {
1465 case '0' : numBlocks = 5*4; break;
1466 case '1' :
1467 case '\0': numBlocks = 16*4; break;
1468 case '2' : numBlocks = 32*4; break;
1469 case '4' : numBlocks = 256; break;
1470 case 'U' : // fall through
1471 case 'u' : numBlocks = 255; blockWidth = 8; break;
1472 default: {
1473 numBlocks = 16*4;
1474 nameParamNo = 0;
1475 }
1476 }
1477 uint32_t numblk2 = param_get32ex(Cmd,2,0,10);
1478 if (numblk2 > 0) numBlocks = numblk2;
1479
1480 len = param_getstr(Cmd,nameParamNo,filename);
1481
1482 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1483
1484 fnameptr += len;
1485
1486 sprintf(fnameptr, ".eml");
1487
1488 // open file
1489 f = fopen(filename, "r");
1490 if (f == NULL) {
1491 PrintAndLog("File %s not found or locked", filename);
1492 return 1;
1493 }
1494
1495 blockNum = 0;
1496 while(!feof(f)){
1497 memset(buf, 0, sizeof(buf));
1498
1499 if (fgets(buf, sizeof(buf), f) == NULL) {
1500
1501 if (blockNum >= numBlocks) break;
1502
1503 PrintAndLog("File reading error.");
1504 fclose(f);
1505 return 2;
1506 }
1507
1508 if (strlen(buf) < blockWidth){
1509 if(strlen(buf) && feof(f))
1510 break;
1511 PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth);
1512 fclose(f);
1513 return 2;
1514 }
1515
1516 for (i = 0; i < blockWidth; i += 2) {
1517 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1518 }
1519 if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) {
1520 PrintAndLog("Cant set emul block: %3d", blockNum);
1521 fclose(f);
1522 return 3;
1523 }
1524 printf(".");
1525 blockNum++;
1526
1527 if (blockNum >= numBlocks) break;
1528 }
1529 fclose(f);
1530 printf("\n");
1531
1532 if ((blockNum != numBlocks)) {
1533 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1534 return 4;
1535 }
1536 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1537 return 0;
1538 }
1539
1540 int CmdHF14AMfESave(const char *Cmd)
1541 {
1542 FILE * f;
1543 char filename[FILE_PATH_SIZE];
1544 char * fnameptr = filename;
1545 uint8_t buf[64];
1546 int i, j, len, numBlocks;
1547 int nameParamNo = 1;
1548
1549 memset(filename, 0, sizeof(filename));
1550 memset(buf, 0, sizeof(buf));
1551
1552 char ctmp = param_getchar(Cmd, 0);
1553
1554 if ( ctmp == 'h' || ctmp == 'H') {
1555 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1556 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1557 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1558 PrintAndLog("");
1559 PrintAndLog(" sample: hf mf esave ");
1560 PrintAndLog(" hf mf esave 4");
1561 PrintAndLog(" hf mf esave 4 filename");
1562 return 0;
1563 }
1564
1565 switch (ctmp) {
1566 case '0' : numBlocks = 5*4; break;
1567 case '1' :
1568 case '\0': numBlocks = 16*4; break;
1569 case '2' : numBlocks = 32*4; break;
1570 case '4' : numBlocks = 256; break;
1571 default: {
1572 numBlocks = 16*4;
1573 nameParamNo = 0;
1574 }
1575 }
1576
1577 len = param_getstr(Cmd,nameParamNo,filename);
1578
1579 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1580
1581 // user supplied filename?
1582 if (len < 1) {
1583 // get filename (UID from memory)
1584 if (mfEmlGetMem(buf, 0, 1)) {
1585 PrintAndLog("Can\'t get UID from block: %d", 0);
1586 len = sprintf(fnameptr, "dump");
1587 fnameptr += len;
1588 }
1589 else {
1590 for (j = 0; j < 7; j++, fnameptr += 2)
1591 sprintf(fnameptr, "%02X", buf[j]);
1592 }
1593 } else {
1594 fnameptr += len;
1595 }
1596
1597 // add file extension
1598 sprintf(fnameptr, ".eml");
1599
1600 // open file
1601 f = fopen(filename, "w+");
1602
1603 if ( !f ) {
1604 PrintAndLog("Can't open file %s ", filename);
1605 return 1;
1606 }
1607
1608 // put hex
1609 for (i = 0; i < numBlocks; i++) {
1610 if (mfEmlGetMem(buf, i, 1)) {
1611 PrintAndLog("Cant get block: %d", i);
1612 break;
1613 }
1614 for (j = 0; j < 16; j++)
1615 fprintf(f, "%02X", buf[j]);
1616 fprintf(f,"\n");
1617 }
1618 fclose(f);
1619
1620 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1621
1622 return 0;
1623 }
1624
1625 int CmdHF14AMfECFill(const char *Cmd)
1626 {
1627 uint8_t keyType = 0;
1628 uint8_t numSectors = 16;
1629
1630 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1631 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
1632 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1633 PrintAndLog("");
1634 PrintAndLog("samples: hf mf ecfill A");
1635 PrintAndLog(" hf mf ecfill A 4");
1636 PrintAndLog("Read card and transfer its data to emulator memory.");
1637 PrintAndLog("Keys must be laid in the emulator memory. \n");
1638 return 0;
1639 }
1640
1641 char ctmp = param_getchar(Cmd, 0);
1642 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1643 PrintAndLog("Key type must be A or B");
1644 return 1;
1645 }
1646 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1647
1648 ctmp = param_getchar(Cmd, 1);
1649 switch (ctmp) {
1650 case '0' : numSectors = 5; break;
1651 case '1' :
1652 case '\0': numSectors = 16; break;
1653 case '2' : numSectors = 32; break;
1654 case '4' : numSectors = 40; break;
1655 default: numSectors = 16;
1656 }
1657
1658 printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);
1659 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1660 SendCommand(&c);
1661 return 0;
1662 }
1663
1664 int CmdHF14AMfEKeyPrn(const char *Cmd)
1665 {
1666 int i;
1667 uint8_t numSectors;
1668 uint8_t data[16];
1669 uint64_t keyA, keyB;
1670
1671 char cmdp = param_getchar(Cmd, 0);
1672
1673 if ( cmdp == 'h' || cmdp == 'H' ) {
1674 PrintAndLog("It prints the keys loaded in the emulator memory");
1675 PrintAndLog("Usage: hf mf ekeyprn [card memory]");
1676 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1677 PrintAndLog("");
1678 PrintAndLog(" sample: hf mf ekeyprn 1");
1679 return 0;
1680 }
1681
1682 switch (cmdp) {
1683 case '0' : numSectors = 5; break;
1684 case '1' :
1685 case '\0': numSectors = 16; break;
1686 case '2' : numSectors = 32; break;
1687 case '4' : numSectors = 40; break;
1688 default: numSectors = 16;
1689 }
1690
1691 PrintAndLog("|---|----------------|----------------|");
1692 PrintAndLog("|sec|key A |key B |");
1693 PrintAndLog("|---|----------------|----------------|");
1694 for (i = 0; i < numSectors; i++) {
1695 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
1696 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1697 break;
1698 }
1699 keyA = bytes_to_num(data, 6);
1700 keyB = bytes_to_num(data + 10, 6);
1701 PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB);
1702 }
1703 PrintAndLog("|---|----------------|----------------|");
1704
1705 return 0;
1706 }
1707
1708 int CmdHF14AMfCSetUID(const char *Cmd)
1709 {
1710 uint8_t wipeCard = 0;
1711 uint8_t uid[8] = {0x00};
1712 uint8_t oldUid[8] = {0x00};
1713 uint8_t atqa[2] = {0x00};
1714 uint8_t sak[1] = {0x00};
1715 uint8_t atqaPresent = 1;
1716 int res;
1717 char ctmp;
1718 int argi=0;
1719
1720 if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') {
1721 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols] [w]");
1722 PrintAndLog("sample: hf mf csetuid 01020304");
1723 PrintAndLog("sample: hf mf csetuid 01020304 0004 08 w");
1724 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
1725 PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line.");
1726 return 0;
1727 }
1728
1729 if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) {
1730 PrintAndLog("UID must include 8 HEX symbols");
1731 return 1;
1732 }
1733 argi++;
1734
1735 ctmp = param_getchar(Cmd, argi);
1736 if (ctmp == 'w' || ctmp == 'W') {
1737 wipeCard = 1;
1738 atqaPresent = 0;
1739 }
1740
1741 if (atqaPresent) {
1742 if (param_getchar(Cmd, argi)) {
1743 if (param_gethex(Cmd, argi, atqa, 4)) {
1744 PrintAndLog("ATQA must include 4 HEX symbols");
1745 return 1;
1746 }
1747 argi++;
1748 if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) {
1749 PrintAndLog("SAK must include 2 HEX symbols");
1750 return 1;
1751 }
1752 argi++;
1753 } else
1754 atqaPresent = 0;
1755 }
1756
1757 if(!wipeCard) {
1758 ctmp = param_getchar(Cmd, argi);
1759 if (ctmp == 'w' || ctmp == 'W') {
1760 wipeCard = 1;
1761 }
1762 }
1763
1764 PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4));
1765
1766 res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid, wipeCard);
1767 if (res) {
1768 PrintAndLog("Can't set UID. error=%d", res);
1769 return 1;
1770 }
1771
1772 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
1773 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
1774 return 0;
1775 }
1776
1777 int CmdHF14AMfCSetBlk(const char *Cmd)
1778 {
1779 uint8_t block[16] = {0x00};
1780 uint8_t blockNo = 0;
1781 uint8_t params = MAGIC_SINGLE;
1782 int res;
1783
1784 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1785 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
1786 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
1787 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
1788 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
1789 return 0;
1790 }
1791
1792 blockNo = param_get8(Cmd, 0);
1793
1794 if (param_gethex(Cmd, 1, block, 32)) {
1795 PrintAndLog("block data must include 32 HEX symbols");
1796 return 1;
1797 }
1798
1799 char ctmp = param_getchar(Cmd, 2);
1800 if (ctmp == 'w' || ctmp == 'W')
1801 params |= MAGIC_WIPE;
1802
1803 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(block, 16));
1804
1805 res = mfCSetBlock(blockNo, block, NULL, params);
1806 if (res) {
1807 PrintAndLog("Can't write block. error=%d", res);
1808 return 1;
1809 }
1810 return 0;
1811 }
1812
1813 int CmdHF14AMfCLoad(const char *Cmd)
1814 {
1815 FILE * f;
1816 char filename[FILE_PATH_SIZE];
1817 char * fnameptr = filename;
1818 char buf[64] = {0x00};
1819 uint8_t buf8[64] = {0x00};
1820 uint8_t fillFromEmulator = 0;
1821 int i, len, blockNum, flags=0;
1822
1823 memset(filename, 0, sizeof(filename));
1824
1825 char ctmp = param_getchar(Cmd, 0);
1826
1827 if (ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1828 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
1829 PrintAndLog("or from emulator memory (option `e`)");
1830 PrintAndLog("Usage: hf mf cload <file name w/o `.eml`>");
1831 PrintAndLog(" or: hf mf cload e ");
1832 PrintAndLog(" sample: hf mf cload filename");
1833 return 0;
1834 }
1835
1836 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1837
1838 if (fillFromEmulator) {
1839 for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {
1840 if (mfEmlGetMem(buf8, blockNum, 1)) {
1841 PrintAndLog("Cant get block: %d", blockNum);
1842 return 2;
1843 }
1844 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1845 if (blockNum == 1) flags = 0; // just write
1846 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Magic Halt and switch off field.
1847
1848 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1849 PrintAndLog("Cant set magic card block: %d", blockNum);
1850 return 3;
1851 }
1852 }
1853 return 0;
1854 } else {
1855 len = strlen(Cmd);
1856 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1857
1858 memcpy(filename, Cmd, len);
1859 fnameptr += len;
1860
1861 sprintf(fnameptr, ".eml");
1862
1863 // open file
1864 f = fopen(filename, "r");
1865 if (f == NULL) {
1866 PrintAndLog("File not found or locked.");
1867 return 1;
1868 }
1869
1870 blockNum = 0;
1871 while(!feof(f)){
1872
1873 memset(buf, 0, sizeof(buf));
1874
1875 if (fgets(buf, sizeof(buf), f) == NULL) {
1876 fclose(f);
1877 PrintAndLog("File reading error.");
1878 return 2;
1879 }
1880
1881 if (strlen(buf) < 32) {
1882 if(strlen(buf) && feof(f))
1883 break;
1884 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1885 fclose(f);
1886 return 2;
1887 }
1888 for (i = 0; i < 32; i += 2)
1889 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1890
1891 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1892 if (blockNum == 1) flags = 0; // just write
1893 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Switch off field.
1894
1895 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1896 PrintAndLog("Can't set magic card block: %d", blockNum);
1897 fclose(f);
1898 return 3;
1899 }
1900 blockNum++;
1901
1902 if (blockNum >= 16 * 4) break; // magic card type - mifare 1K
1903 }
1904 fclose(f);
1905
1906 // 64 or 256blocks.
1907 if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
1908 PrintAndLog("File content error. There must be 64 blocks");
1909 return 4;
1910 }
1911 PrintAndLog("Loaded from file: %s", filename);
1912 return 0;
1913 }
1914 return 0;
1915 }
1916
1917 int CmdHF14AMfCGetBlk(const char *Cmd) {
1918 uint8_t data[16];
1919 uint8_t blockNo = 0;
1920 int res;
1921 memset(data, 0x00, sizeof(data));
1922 char ctmp = param_getchar(Cmd, 0);
1923
1924 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
1925 PrintAndLog("Usage: hf mf cgetblk <block number>");
1926 PrintAndLog("sample: hf mf cgetblk 1");
1927 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
1928 return 0;
1929 }
1930
1931 blockNo = param_get8(Cmd, 0);
1932
1933 PrintAndLog("--block number:%2d ", blockNo);
1934
1935 res = mfCGetBlock(blockNo, data, MAGIC_SINGLE);
1936 if (res) {
1937 PrintAndLog("Can't read block. error=%d", res);
1938 return 1;
1939 }
1940
1941 PrintAndLog("data: %s", sprint_hex(data, sizeof(data)));
1942 return 0;
1943 }
1944
1945 int CmdHF14AMfCGetSc(const char *Cmd) {
1946 uint8_t data[16];
1947 uint8_t sectorNo = 0;
1948 int i, res, flags;
1949 memset(data, 0x00, sizeof(data));
1950 char ctmp = param_getchar(Cmd, 0);
1951
1952 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == '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 PrintAndLog("block | data");
1967
1968 flags = MAGIC_INIT + MAGIC_WUPC;
1969 for (i = 0; i < 4; i++) {
1970 if (i == 1) flags = 0;
1971 if (i == 3) flags = MAGIC_HALT + MAGIC_OFF;
1972
1973 res = mfCGetBlock(sectorNo * 4 + i, data, flags);
1974 if (res) {
1975 PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res);
1976 return 1;
1977 }
1978 PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data)));
1979 }
1980 return 0;
1981 }
1982
1983 int CmdHF14AMfCSave(const char *Cmd) {
1984
1985 FILE * f;
1986 char filename[FILE_PATH_SIZE];
1987 char * fnameptr = filename;
1988 uint8_t fillFromEmulator = 0;
1989 uint8_t buf[64];
1990 int i, j, len, flags;
1991
1992 memset(filename, 0, sizeof(filename));
1993 memset(buf, 0, sizeof(buf));
1994 char ctmp = param_getchar(Cmd, 0);
1995
1996 if ( ctmp == 'h' || ctmp == '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 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2006
2007 if (fillFromEmulator) {
2008 // put into emulator
2009 flags = MAGIC_INIT + MAGIC_WUPC;
2010 for (i = 0; i < 16 * 4; i++) {
2011 if (i == 1) flags = 0;
2012 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
2013
2014 if (mfCGetBlock(i, buf, flags)) {
2015 PrintAndLog("Cant get block: %d", i);
2016 break;
2017 }
2018
2019 if (mfEmlSetMem(buf, i, 1)) {
2020 PrintAndLog("Cant set emul block: %d", i);
2021 return 3;
2022 }
2023 }
2024 return 0;
2025 } else {
2026 len = strlen(Cmd);
2027 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2028
2029 // get filename based on UID
2030 if (len < 1) {
2031
2032 if (mfCGetBlock(0, buf, MAGIC_SINGLE)) {
2033 PrintAndLog("Cant get block: %d", 0);
2034 len = sprintf(fnameptr, "dump");
2035 fnameptr += len;
2036 } else {
2037 for (j = 0; j < 7; j++, fnameptr += 2)
2038 sprintf(fnameptr, "%02x", buf[j]);
2039 }
2040 } else {
2041 memcpy(filename, Cmd, len);
2042 fnameptr += len;
2043 }
2044
2045 // add .eml extension
2046 sprintf(fnameptr, ".eml");
2047
2048 // open file
2049 f = fopen(filename, "w+");
2050
2051 if (f == NULL) {
2052 PrintAndLog("File not found or locked.");
2053 return 1;
2054 }
2055
2056 // put hex
2057 flags = MAGIC_INIT + MAGIC_WUPC;
2058 for (i = 0; i < 16 * 4; i++) {
2059 if (i == 1) flags = 0;
2060 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
2061
2062 if (mfCGetBlock(i, buf, flags)) {
2063 PrintAndLog("Cant get block: %d", i);
2064 break;
2065 }
2066 for (j = 0; j < 16; j++)
2067 fprintf(f, "%02x", buf[j]);
2068 fprintf(f,"\n");
2069 }
2070 fflush(f);
2071 fclose(f);
2072 PrintAndLog("Saved to file: %s", filename);
2073 return 0;
2074 }
2075 }
2076
2077 int CmdHF14AMfSniff(const char *Cmd){
2078
2079 bool wantLogToFile = 0;
2080 bool wantDecrypt = 0;
2081 //bool wantSaveToEml = 0; TODO
2082 bool wantSaveToEmlFile = 0;
2083
2084 //var
2085 int tmpchar;
2086 int res = 0;
2087 int len = 0;
2088 int blockLen = 0;
2089 int pckNum = 0;
2090 int num = 0;
2091 uint8_t uid[7];
2092 uint8_t uid_len;
2093 uint8_t atqa[2] = {0x00};
2094 uint8_t sak;
2095 bool isTag;
2096 uint8_t *buf = NULL;
2097 uint16_t bufsize = 0;
2098 uint8_t *bufPtr = NULL;
2099
2100 char ctmp = param_getchar(Cmd, 0);
2101 if ( ctmp == 'h' || ctmp == 'H' ) {
2102 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
2103 PrintAndLog("You can specify:");
2104 PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");
2105 PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");
2106 PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
2107 PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
2108 PrintAndLog("Usage: hf mf sniff [l][d][e][f]");
2109 PrintAndLog(" sample: hf mf sniff l d e");
2110 return 0;
2111 }
2112
2113 for (int i = 0; i < 4; i++) {
2114 ctmp = param_getchar(Cmd, i);
2115 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
2116 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
2117 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
2118 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
2119 }
2120
2121 printf("-------------------------------------------------------------------------\n");
2122 printf("Executing command. \n");
2123 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
2124 printf("Press the key on pc keyboard to abort the client.\n");
2125 printf("-------------------------------------------------------------------------\n");
2126
2127 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
2128 clearCommandBuffer();
2129 SendCommand(&c);
2130
2131 // wait cycle
2132 while (true) {
2133 printf(".");
2134 fflush(stdout);
2135 if (ukbhit()) {
2136 tmpchar = getchar();
2137 (void)tmpchar;
2138 printf("\naborted via keyboard!\n");
2139 break;
2140 }
2141
2142 UsbCommand resp;
2143 if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {
2144 res = resp.arg[0] & 0xff;
2145 uint16_t traceLen = resp.arg[1];
2146 len = resp.arg[2];
2147
2148 if (res == 0) {
2149 free(buf);
2150 return 0; // we are done
2151 }
2152
2153 if (res == 1) { // there is (more) data to be transferred
2154 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
2155 if (traceLen > bufsize) {
2156 uint8_t *p;
2157 if (buf == NULL) { // not yet allocated
2158 p = malloc(traceLen);
2159 } else { // need more memory
2160 p = realloc(buf, traceLen);
2161 }
2162 if (p == NULL) {
2163 PrintAndLog("Cannot allocate memory for trace");
2164 free(buf);
2165 return 2;
2166 }
2167 buf = p;
2168 }
2169 bufPtr = buf;
2170 bufsize = traceLen;
2171 memset(buf, 0x00, traceLen);
2172 }
2173 if (bufPtr == NULL) {
2174 PrintAndLog("Cannot allocate memory for trace");
2175 free(buf);
2176 return 2;
2177 }
2178 memcpy(bufPtr, resp.d.asBytes, len);
2179 bufPtr += len;
2180 pckNum++;
2181 }
2182
2183 if (res == 2) { // received all data, start displaying
2184 blockLen = bufPtr - buf;
2185 bufPtr = buf;
2186 printf(">\n");
2187 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
2188 while (bufPtr - buf < blockLen) {
2189 bufPtr += 6; // skip (void) timing information
2190 len = *((uint16_t *)bufPtr);
2191 if(len & 0x8000) {
2192 isTag = true;
2193 len &= 0x7fff;
2194 } else {
2195 isTag = false;
2196 }
2197 bufPtr += 2;
2198 if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
2199 memcpy(uid, bufPtr + 2, 7);
2200 memcpy(atqa, bufPtr + 2 + 7, 2);
2201 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
2202 sak = bufPtr[11];
2203 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
2204 sprint_hex(uid + (7 - uid_len), uid_len),
2205 atqa[1],
2206 atqa[0],
2207 sak);
2208 if (wantLogToFile || wantDecrypt) {
2209 FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
2210 AddLogCurrentDT(logHexFileName);
2211 }
2212 if (wantDecrypt)
2213 mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
2214 } else {
2215 PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
2216 if (wantLogToFile)
2217 AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
2218 if (wantDecrypt)
2219 mfTraceDecode(bufPtr, len, wantSaveToEmlFile);
2220 num++;
2221 }
2222 bufPtr += len;
2223 bufPtr += ((len-1)/8+1); // ignore parity
2224 }
2225 pckNum = 0;
2226 }
2227 } // resp not NULL
2228 } // while (true)
2229
2230 free(buf);
2231 return 0;
2232 }
2233
2234 //needs nt, ar, at, Data to decrypt
2235 int CmdHf14MfDecryptBytes(const char *Cmd){
2236 uint8_t data[50];
2237
2238 uint32_t nt = param_get32ex(Cmd,0,0,16);
2239 uint32_t ar_enc = param_get32ex(Cmd,1,0,16);
2240 uint32_t at_enc = param_get32ex(Cmd,2,0,16);
2241
2242 int len = 0;
2243 param_gethex_ex(Cmd, 3, data, &len);
2244
2245 len /= 2;
2246 int limit = sizeof(data) / 2;
2247
2248 if ( len >= limit )
2249 len = limit;
2250
2251 return tryDecryptWord( nt, ar_enc, at_enc, data, len);
2252 }
2253
2254 static command_t CommandTable[] = {
2255 {"help", CmdHelp, 1, "This help"},
2256 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
2257 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
2258 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
2259 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
2260 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
2261 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
2262 {"chk", CmdHF14AMfChk, 0, "Test block keys"},
2263 {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},
2264 {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
2265 {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},
2266 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
2267 {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},
2268 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},
2269 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
2270 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
2271 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
2272 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
2273 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
2274 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
2275 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
2276 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
2277 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
2278 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
2279 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
2280 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
2281 {"decrypt", CmdHf14MfDecryptBytes, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2282 {NULL, NULL, 0, NULL}
2283 };
2284
2285 int CmdHFMF(const char *Cmd) {
2286 // flush
2287 clearCommandBuffer();
2288 //WaitForResponseTimeout(CMD_ACK,NULL,100);
2289 CmdsParse(CommandTable, Cmd);
2290 return 0;
2291 }
2292
2293 int CmdHelp(const char *Cmd) {
2294 CmdsHelp(CommandTable);
2295 return 0;
2296 }
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