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FIX: Coverity scan, forgot one fread ...
[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
25 UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}};
26
27 // message
28 printf("-------------------------------------------------------------------------\n");
29 printf("Executing command. Expected execution time: 25sec on average :-)\n");
30 printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");
31 printf("-------------------------------------------------------------------------\n");
32
33 clock_t t1 = clock();
34
35 start:
36 clearCommandBuffer();
37 SendCommand(&c);
38
39 //flush queue
40 while (ukbhit()) {
41 tmpchar = getchar();
42 (void)tmpchar;
43 }
44
45 // wait cycle
46 while (true) {
47 printf(".");
48 fflush(stdout);
49 if (ukbhit()) {
50 tmpchar = getchar();
51 (void)tmpchar;
52 printf("\naborted via keyboard!\n");
53 break;
54 }
55
56 UsbCommand resp;
57 if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
58 isOK = resp.arg[0];
59 uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);
60 nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);
61 par_list = bytes_to_num(resp.d.asBytes + 8, 8);
62 ks_list = bytes_to_num(resp.d.asBytes + 16, 8);
63 nr = bytes_to_num(resp.d.asBytes + 24, 4);
64 printf("\n\n");
65 switch (isOK) {
66 case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;
67 case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;
68 case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;
69 case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
70 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;
71 default: ;
72 }
73 break;
74 }
75 }
76
77 printf("\n");
78
79 // error
80 if (isOK != 1) return 1;
81
82 // execute original function from util nonce2key
83 if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {
84 isOK = 2;
85 PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);
86 PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");
87 c.arg[0] = false;
88 goto start;
89 } else {
90 isOK = 0;
91 printf("------------------------------------------------------------------\n");
92 PrintAndLog("Found valid key: %012"llx" \n", r_key);
93 }
94 t1 = clock() - t1;
95 if ( t1 > 0 ){
96 PrintAndLog("Time in darkside: %f ticks - %1.2f sec\n", (float)t1, ((float)t1)/CLOCKS_PER_SEC);
97 }
98 return 0;
99 }
100
101 int CmdHF14AMfWrBl(const char *Cmd)
102 {
103 uint8_t blockNo = 0;
104 uint8_t keyType = 0;
105 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
106 uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
107
108 char cmdp = 0x00;
109
110 if (strlen(Cmd)<3) {
111 PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
112 PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
113 return 0;
114 }
115
116 blockNo = param_get8(Cmd, 0);
117 cmdp = param_getchar(Cmd, 1);
118 if (cmdp == 0x00) {
119 PrintAndLog("Key type must be A or B");
120 return 1;
121 }
122 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
123 if (param_gethex(Cmd, 2, key, 12)) {
124 PrintAndLog("Key must include 12 HEX symbols");
125 return 1;
126 }
127 if (param_gethex(Cmd, 3, bldata, 32)) {
128 PrintAndLog("Block data must include 32 HEX symbols");
129 return 1;
130 }
131 PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
132 PrintAndLog("--data: %s", sprint_hex(bldata, 16));
133
134 UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
135 memcpy(c.d.asBytes, key, 6);
136 memcpy(c.d.asBytes + 10, bldata, 16);
137 clearCommandBuffer();
138 SendCommand(&c);
139
140 UsbCommand resp;
141 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
142 uint8_t isOK = resp.arg[0] & 0xff;
143 PrintAndLog("isOk:%02x", isOK);
144 } else {
145 PrintAndLog("Command execute timeout");
146 }
147
148 return 0;
149 }
150
151 int CmdHF14AMfRdBl(const char *Cmd)
152 {
153 uint8_t blockNo = 0;
154 uint8_t keyType = 0;
155 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
156
157 char cmdp = 0x00;
158
159
160 if (strlen(Cmd)<3) {
161 PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>");
162 PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
163 return 0;
164 }
165
166 blockNo = param_get8(Cmd, 0);
167 cmdp = param_getchar(Cmd, 1);
168 if (cmdp == 0x00) {
169 PrintAndLog("Key type must be A or B");
170 return 1;
171 }
172 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
173 if (param_gethex(Cmd, 2, key, 12)) {
174 PrintAndLog("Key must include 12 HEX symbols");
175 return 1;
176 }
177 PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
178
179 UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
180 memcpy(c.d.asBytes, key, 6);
181 clearCommandBuffer();
182 SendCommand(&c);
183
184 UsbCommand resp;
185 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
186 uint8_t isOK = resp.arg[0] & 0xff;
187 uint8_t *data = resp.d.asBytes;
188
189 if (isOK)
190 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
191 else
192 PrintAndLog("isOk:%02x", isOK);
193 } else {
194 PrintAndLog("Command execute timeout");
195 }
196
197 return 0;
198 }
199
200 int CmdHF14AMfRdSc(const char *Cmd)
201 {
202 int i;
203 uint8_t sectorNo = 0;
204 uint8_t keyType = 0;
205 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
206 uint8_t isOK = 0;
207 uint8_t *data = NULL;
208 char cmdp = 0x00;
209
210 if (strlen(Cmd)<3) {
211 PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>");
212 PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
213 return 0;
214 }
215
216 sectorNo = param_get8(Cmd, 0);
217 if (sectorNo > 39) {
218 PrintAndLog("Sector number must be less than 40");
219 return 1;
220 }
221 cmdp = param_getchar(Cmd, 1);
222 if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
223 PrintAndLog("Key type must be A or B");
224 return 1;
225 }
226 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
227 if (param_gethex(Cmd, 2, key, 12)) {
228 PrintAndLog("Key must include 12 HEX symbols");
229 return 1;
230 }
231 PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
232
233 UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
234 memcpy(c.d.asBytes, key, 6);
235 clearCommandBuffer();
236 SendCommand(&c);
237 PrintAndLog(" ");
238
239 UsbCommand resp;
240 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
241 isOK = resp.arg[0] & 0xff;
242 data = resp.d.asBytes;
243
244 PrintAndLog("isOk:%02x", isOK);
245 if (isOK) {
246 for (i = 0; i < (sectorNo<32?3:15); i++) {
247 PrintAndLog("data : %s", sprint_hex(data + i * 16, 16));
248 }
249 PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
250 }
251 } else {
252 PrintAndLog("Command execute timeout");
253 }
254
255 return 0;
256 }
257
258 uint8_t FirstBlockOfSector(uint8_t sectorNo)
259 {
260 if (sectorNo < 32) {
261 return sectorNo * 4;
262 } else {
263 return 32 * 4 + (sectorNo - 32) * 16;
264 }
265 }
266
267 uint8_t NumBlocksPerSector(uint8_t sectorNo)
268 {
269 if (sectorNo < 32) {
270 return 4;
271 } else {
272 return 16;
273 }
274 }
275
276 int CmdHF14AMfDump(const char *Cmd)
277 {
278 uint8_t sectorNo, blockNo;
279
280 uint8_t keyA[40][6];
281 uint8_t keyB[40][6];
282 uint8_t rights[40][4];
283 uint8_t carddata[256][16];
284 uint8_t numSectors = 16;
285
286 FILE *fin;
287 FILE *fout;
288
289 UsbCommand resp;
290
291 char cmdp = param_getchar(Cmd, 0);
292 switch (cmdp) {
293 case '0' : numSectors = 5; break;
294 case '1' :
295 case '\0': numSectors = 16; break;
296 case '2' : numSectors = 32; break;
297 case '4' : numSectors = 40; break;
298 default: numSectors = 16;
299 }
300
301 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
302 PrintAndLog("Usage: hf mf dump [card memory]");
303 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
304 PrintAndLog("");
305 PrintAndLog("Samples: hf mf dump");
306 PrintAndLog(" hf mf dump 4");
307 return 0;
308 }
309
310 if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
311 PrintAndLog("Could not find file dumpkeys.bin");
312 return 1;
313 }
314
315 // Read keys A from file
316 size_t bytes_read;
317 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
318 bytes_read = fread( keyA[sectorNo], 1, 6, fin );
319 if ( bytes_read == 0) {
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 bytes_read = fread( keyB[sectorNo], 1, 6, fin );
329 if ( bytes_read == 0) {
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
342 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
343 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
344 memcpy(c.d.asBytes, keyA[sectorNo], 6);
345 clearCommandBuffer();
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 } else {
357 PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
358 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
359 rights[sectorNo][3] = 0x01;
360 }
361 } else {
362 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
363 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
364 rights[sectorNo][3] = 0x01;
365 }
366 }
367
368 PrintAndLog("|-----------------------------------------|");
369 PrintAndLog("|----- Dumping all blocks to file... -----|");
370 PrintAndLog("|-----------------------------------------|");
371
372 bool isOK = true;
373 for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
374 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
375 bool received = false;
376
377 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A.
378 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
379 memcpy(c.d.asBytes, keyA[sectorNo], 6);
380 clearCommandBuffer();
381 SendCommand(&c);
382 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
383 } else { // data block. Check if it can be read with key A or key B
384 uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
385 if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work
386 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
387 memcpy(c.d.asBytes, keyB[sectorNo], 6);
388 SendCommand(&c);
389 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
390 } else if (rights[sectorNo][data_area] == 0x07) { // no key would work
391 isOK = false;
392 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
393 } else { // key A would work
394 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
395 memcpy(c.d.asBytes, keyA[sectorNo], 6);
396 clearCommandBuffer();
397 SendCommand(&c);
398 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
399 }
400 }
401
402 if (received) {
403 isOK = resp.arg[0] & 0xff;
404 uint8_t *data = resp.d.asBytes;
405 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys.
406 data[0] = (keyA[sectorNo][0]);
407 data[1] = (keyA[sectorNo][1]);
408 data[2] = (keyA[sectorNo][2]);
409 data[3] = (keyA[sectorNo][3]);
410 data[4] = (keyA[sectorNo][4]);
411 data[5] = (keyA[sectorNo][5]);
412 data[10] = (keyB[sectorNo][0]);
413 data[11] = (keyB[sectorNo][1]);
414 data[12] = (keyB[sectorNo][2]);
415 data[13] = (keyB[sectorNo][3]);
416 data[14] = (keyB[sectorNo][4]);
417 data[15] = (keyB[sectorNo][5]);
418 }
419 if (isOK) {
420 memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
421 PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
422 } else {
423 PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
424 break;
425 }
426 }
427 else {
428 isOK = false;
429 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
430 break;
431 }
432 }
433 }
434
435 if (isOK) {
436 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
437 PrintAndLog("Could not create file name dumpdata.bin");
438 return 1;
439 }
440 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
441 fwrite(carddata, 1, 16*numblocks, fout);
442 fclose(fout);
443 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
444 }
445
446 return 0;
447 }
448
449 int CmdHF14AMfRestore(const char *Cmd)
450 {
451 uint8_t sectorNo,blockNo;
452 uint8_t keyType = 0;
453 uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
454 uint8_t bldata[16] = {0x00};
455 uint8_t keyA[40][6];
456 uint8_t keyB[40][6];
457 uint8_t numSectors;
458
459 FILE *fdump;
460 FILE *fkeys;
461
462 char cmdp = param_getchar(Cmd, 0);
463 switch (cmdp) {
464 case '0' : numSectors = 5; break;
465 case '1' :
466 case '\0': numSectors = 16; break;
467 case '2' : numSectors = 32; break;
468 case '4' : numSectors = 40; break;
469 default: numSectors = 16;
470 }
471
472 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
473 PrintAndLog("Usage: hf mf restore [card memory]");
474 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
475 PrintAndLog("");
476 PrintAndLog("Samples: hf mf restore");
477 PrintAndLog(" hf mf restore 4");
478 return 0;
479 }
480
481 if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
482 PrintAndLog("Could not find file dumpkeys.bin");
483 return 1;
484 }
485
486 size_t bytes_read;
487 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
488 bytes_read = fread( keyA[sectorNo], 1, 6, fkeys );
489 if ( bytes_read == 0) {
490 PrintAndLog("File reading error (dumpkeys.bin).");
491 fclose(fkeys);
492 return 2;
493 }
494 }
495
496 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
497 bytes_read = fread( keyB[sectorNo], 1, 6, fkeys );
498 if ( bytes_read == 0) {
499 PrintAndLog("File reading error (dumpkeys.bin).");
500 fclose(fkeys);
501 return 2;
502 }
503 }
504
505 fclose(fkeys);
506
507 if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
508 PrintAndLog("Could not find file dumpdata.bin");
509 return 1;
510 }
511 PrintAndLog("Restoring dumpdata.bin to card");
512
513 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
514 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
515 UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
516 memcpy(c.d.asBytes, key, 6);
517 bytes_read = fread(bldata, 1, 16, fdump);
518 if ( bytes_read == 0) {
519 PrintAndLog("File reading error (dumpdata.bin).");
520 fclose(fdump);
521 return 2;
522 }
523
524 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer
525 bldata[0] = (keyA[sectorNo][0]);
526 bldata[1] = (keyA[sectorNo][1]);
527 bldata[2] = (keyA[sectorNo][2]);
528 bldata[3] = (keyA[sectorNo][3]);
529 bldata[4] = (keyA[sectorNo][4]);
530 bldata[5] = (keyA[sectorNo][5]);
531 bldata[10] = (keyB[sectorNo][0]);
532 bldata[11] = (keyB[sectorNo][1]);
533 bldata[12] = (keyB[sectorNo][2]);
534 bldata[13] = (keyB[sectorNo][3]);
535 bldata[14] = (keyB[sectorNo][4]);
536 bldata[15] = (keyB[sectorNo][5]);
537 }
538
539 PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
540
541 memcpy(c.d.asBytes + 10, bldata, 16);
542 clearCommandBuffer();
543 SendCommand(&c);
544
545 UsbCommand resp;
546 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
547 uint8_t isOK = resp.arg[0] & 0xff;
548 PrintAndLog("isOk:%02x", isOK);
549 } else {
550 PrintAndLog("Command execute timeout");
551 }
552 }
553 }
554
555 fclose(fdump);
556 return 0;
557 }
558
559 int CmdHF14AMfNested(const char *Cmd)
560 {
561 int i, j, res, iterations;
562 sector *e_sector = NULL;
563 uint8_t blockNo = 0;
564 uint8_t keyType = 0;
565 uint8_t trgBlockNo = 0;
566 uint8_t trgKeyType = 0;
567 uint8_t SectorsCnt = 0;
568 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
569 uint8_t keyBlock[14*6];
570 uint64_t key64 = 0;
571 bool transferToEml = false;
572
573 bool createDumpFile = false;
574 FILE *fkeys;
575 uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
576 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
577
578 char cmdp, ctmp;
579
580 if (strlen(Cmd)<3) {
581 PrintAndLog("Usage:");
582 PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t,d]");
583 PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>");
584 PrintAndLog(" <target block number> <target key A/B> [t]");
585 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
586 PrintAndLog("t - transfer keys into emulator memory");
587 PrintAndLog("d - write keys to binary file");
588 PrintAndLog(" ");
589 PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");
590 PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");
591 PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");
592 PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");
593 return 0;
594 }
595
596 cmdp = param_getchar(Cmd, 0);
597 blockNo = param_get8(Cmd, 1);
598 ctmp = param_getchar(Cmd, 2);
599
600 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
601 PrintAndLog("Key type must be A or B");
602 return 1;
603 }
604
605 if (ctmp != 'A' && ctmp != 'a')
606 keyType = 1;
607
608 if (param_gethex(Cmd, 3, key, 12)) {
609 PrintAndLog("Key must include 12 HEX symbols");
610 return 1;
611 }
612
613 if (cmdp == 'o' || cmdp == 'O') {
614 cmdp = 'o';
615 trgBlockNo = param_get8(Cmd, 4);
616 ctmp = param_getchar(Cmd, 5);
617 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
618 PrintAndLog("Target key type must be A or B");
619 return 1;
620 }
621 if (ctmp != 'A' && ctmp != 'a')
622 trgKeyType = 1;
623 } else {
624
625 switch (cmdp) {
626 case '0': SectorsCnt = 05; break;
627 case '1': SectorsCnt = 16; break;
628 case '2': SectorsCnt = 32; break;
629 case '4': SectorsCnt = 40; break;
630 default: SectorsCnt = 16;
631 }
632 }
633
634 ctmp = param_getchar(Cmd, 4);
635 if (ctmp == 't' || ctmp == 'T') transferToEml = true;
636 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true;
637
638 ctmp = param_getchar(Cmd, 6);
639 transferToEml |= (ctmp == 't' || ctmp == 'T');
640 transferToEml |= (ctmp == 'd' || ctmp == 'D');
641
642 if (cmdp == 'o') {
643 PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');
644 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
645 if (isOK) {
646 switch (isOK) {
647 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
648 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
649 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
650 default : PrintAndLog("Unknown Error.\n");
651 }
652 return 2;
653 }
654 key64 = bytes_to_num(keyBlock, 6);
655 if (key64) {
656 PrintAndLog("Found valid key:%012"llx, key64);
657
658 // transfer key to the emulator
659 if (transferToEml) {
660 uint8_t sectortrailer;
661 if (trgBlockNo < 32*4) { // 4 block sector
662 sectortrailer = (trgBlockNo & 0x03) + 3;
663 } else { // 16 block sector
664 sectortrailer = (trgBlockNo & 0x0f) + 15;
665 }
666 mfEmlGetMem(keyBlock, sectortrailer, 1);
667
668 if (!trgKeyType)
669 num_to_bytes(key64, 6, keyBlock);
670 else
671 num_to_bytes(key64, 6, &keyBlock[10]);
672 mfEmlSetMem(keyBlock, sectortrailer, 1);
673 }
674 } else {
675 PrintAndLog("No valid key found");
676 }
677 }
678 else { // ------------------------------------ multiple sectors working
679 clock_t t1 = clock();
680
681 e_sector = calloc(SectorsCnt, sizeof(sector));
682 if (e_sector == NULL) return 1;
683
684 //test current key and additional standard keys first
685 memcpy(keyBlock, key, 6);
686 num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6));
687 num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6));
688 num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6));
689 num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6));
690 num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6));
691 num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 6 * 6));
692 num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 7 * 6));
693 num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 8 * 6));
694 num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 9 * 6));
695 num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 10 * 6));
696 num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 11 * 6));
697 num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 12 * 6));
698 num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 13 * 6));
699
700 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
701 for (i = 0; i < SectorsCnt; i++) {
702 for (j = 0; j < 2; j++) {
703 if (e_sector[i].foundKey[j]) continue;
704
705 res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64);
706
707 if (!res) {
708 e_sector[i].Key[j] = key64;
709 e_sector[i].foundKey[j] = 1;
710 }
711 }
712 }
713
714 // nested sectors
715 iterations = 0;
716 PrintAndLog("nested...");
717 bool calibrate = true;
718 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
719 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
720 for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {
721 if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
722 PrintAndLog("-----------------------------------------------");
723 int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
724 if(isOK) {
725 switch (isOK) {
726 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
727 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
728 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
729 default : PrintAndLog("Unknown Error.\n");
730 }
731 free(e_sector);
732 return 2;
733 } else {
734 calibrate = false;
735 }
736
737 iterations++;
738
739 key64 = bytes_to_num(keyBlock, 6);
740 if (key64) {
741 PrintAndLog("Found valid key:%012"llx, key64);
742 e_sector[sectorNo].foundKey[trgKeyType] = 1;
743 e_sector[sectorNo].Key[trgKeyType] = key64;
744 }
745 }
746 }
747 }
748
749 // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag?
750 PrintAndLog("testing to read B...");
751 for (i = 0; i < SectorsCnt; i++) {
752 // KEY A but not KEY B
753 if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {
754
755 uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
756
757 UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};
758 num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A
759 clearCommandBuffer();
760 SendCommand(&c);
761
762 UsbCommand resp;
763 if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;
764
765 uint8_t isOK = resp.arg[0] & 0xff;
766 uint8_t *data = resp.d.asBytes;
767
768 if (isOK) {
769
770 key64 = bytes_to_num(data+10, 6);
771 if (key64) {
772 PrintAndLog("Data:%s", sprint_hex(data+10, 6));
773 e_sector[i].foundKey[1] = 1;
774 e_sector[i].Key[1] = key64;
775 }
776 }
777 }
778 }
779
780 t1 = clock() - t1;
781 if ( t1 > 0 ) {
782 PrintAndLog("Time in nested: %f ticks %1.2f sec (%1.2f sec per key)\n\n", (float)t1, ((float)t1)/CLOCKS_PER_SEC, ((float)t1)/iterations/CLOCKS_PER_SEC);
783 }
784
785 PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations);
786 //print them
787 PrintAndLog("|---|----------------|---|----------------|---|");
788 PrintAndLog("|sec|key A |res|key B |res|");
789 PrintAndLog("|---|----------------|---|----------------|---|");
790 for (i = 0; i < SectorsCnt; i++) {
791 PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i,
792 e_sector[i].Key[0],
793 e_sector[i].foundKey[0],
794 e_sector[i].Key[1],
795 e_sector[i].foundKey[1]
796 );
797 }
798 PrintAndLog("|---|----------------|---|----------------|---|");
799
800 // transfer them to the emulator
801 if (transferToEml) {
802 for (i = 0; i < SectorsCnt; i++) {
803 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
804 if (e_sector[i].foundKey[0])
805 num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
806 if (e_sector[i].foundKey[1])
807 num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
808 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
809 }
810 }
811
812 // Create dump file
813 if (createDumpFile) {
814 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
815 PrintAndLog("Could not create file dumpkeys.bin");
816 free(e_sector);
817 return 1;
818 }
819 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
820 for(i=0; i<SectorsCnt; i++) {
821 if (e_sector[i].foundKey[0]){
822 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
823 fwrite ( tempkey, 1, 6, fkeys );
824 }
825 else{
826 fwrite ( &standart, 1, 6, fkeys );
827 }
828 }
829 for(i=0; i<SectorsCnt; i++) {
830 if (e_sector[i].foundKey[1]){
831 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
832 fwrite ( tempkey, 1, 6, fkeys );
833 }
834 else{
835 fwrite ( &standart, 1, 6, fkeys );
836 }
837 }
838 fclose(fkeys);
839 }
840
841 free(e_sector);
842 }
843 return 0;
844 }
845
846 int CmdHF14AMfNestedHard(const char *Cmd)
847 {
848 uint8_t blockNo = 0;
849 uint8_t keyType = 0;
850 uint8_t trgBlockNo = 0;
851 uint8_t trgKeyType = 0;
852 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
853 uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};
854
855 char ctmp;
856 ctmp = param_getchar(Cmd, 0);
857
858 if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) {
859 PrintAndLog("Usage:");
860 PrintAndLog(" hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");
861 PrintAndLog(" <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");
862 PrintAndLog(" or hf mf hardnested r [known target key]");
863 PrintAndLog(" ");
864 PrintAndLog("Options: ");
865 PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin");
866 PrintAndLog(" s: Slower acquisition (required by some non standard cards)");
867 PrintAndLog(" r: Read nonces.bin and start attack");
868 PrintAndLog(" ");
869 PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
870 PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
871 PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");
872 PrintAndLog(" sample4: hf mf hardnested r");
873 PrintAndLog(" ");
874 PrintAndLog("Add the known target key to check if it is present in the remaining key space:");
875 PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");
876 return 0;
877 }
878
879 bool know_target_key = false;
880 bool nonce_file_read = false;
881 bool nonce_file_write = false;
882 bool slow = false;
883 int tests = 0;
884
885
886 if (ctmp == 'R' || ctmp == 'r') {
887 nonce_file_read = true;
888 if (!param_gethex(Cmd, 1, trgkey, 12)) {
889 know_target_key = true;
890 }
891 } else if (ctmp == 'T' || ctmp == 't') {
892 tests = param_get32ex(Cmd, 1, 100, 10);
893 } else {
894 blockNo = param_get8(Cmd, 0);
895 ctmp = param_getchar(Cmd, 1);
896 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
897 PrintAndLog("Key type must be A or B");
898 return 1;
899 }
900 if (ctmp != 'A' && ctmp != 'a') {
901 keyType = 1;
902 }
903
904 if (param_gethex(Cmd, 2, key, 12)) {
905 PrintAndLog("Key must include 12 HEX symbols");
906 return 1;
907 }
908
909 trgBlockNo = param_get8(Cmd, 3);
910 ctmp = param_getchar(Cmd, 4);
911 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
912 PrintAndLog("Target key type must be A or B");
913 return 1;
914 }
915 if (ctmp != 'A' && ctmp != 'a') {
916 trgKeyType = 1;
917 }
918
919 uint16_t i = 5;
920
921 if (!param_gethex(Cmd, 5, trgkey, 12)) {
922 know_target_key = true;
923 i++;
924 }
925
926 while ((ctmp = param_getchar(Cmd, i))) {
927 if (ctmp == 's' || ctmp == 'S') {
928 slow = true;
929 } else if (ctmp == 'w' || ctmp == 'W') {
930 nonce_file_write = true;
931 } else {
932 PrintAndLog("Possible options are w and/or s");
933 return 1;
934 }
935 i++;
936 }
937 }
938
939 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 ",
940 trgBlockNo,
941 trgKeyType?'B':'A',
942 trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],
943 know_target_key?"":" (not set)",
944 nonce_file_write?"write":nonce_file_read?"read":"none",
945 slow?"Yes":"No",
946 tests);
947
948 int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);
949
950 if (isOK) {
951 switch (isOK) {
952 case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
953 case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;
954 default : break;
955 }
956 return 2;
957 }
958
959 return 0;
960 }
961
962 int CmdHF14AMfChk(const char *Cmd)
963 {
964 if (strlen(Cmd)<3) {
965 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");
966 PrintAndLog(" * - all sectors");
967 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
968 PrintAndLog("d - write keys to binary file");
969 PrintAndLog("t - write keys to emulator memory\n");
970 PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic");
971 PrintAndLog(" hf mf chk *1 ? t");
972 PrintAndLog(" hf mf chk *1 ? d");
973 return 0;
974 }
975
976 FILE * f;
977 char filename[FILE_PATH_SIZE]={0};
978 char buf[13];
979 uint8_t *keyBlock = NULL, *p;
980 uint8_t stKeyBlock = 20;
981
982 int i, res;
983 int keycnt = 0;
984 char ctmp = 0x00;
985 uint8_t blockNo = 0;
986 uint8_t SectorsCnt = 1;
987 uint8_t keyType = 0;
988 uint64_t key64 = 0;
989
990 int transferToEml = 0;
991 int createDumpFile = 0;
992
993 keyBlock = calloc(stKeyBlock, 6);
994 if (keyBlock == NULL) return 1;
995
996 uint64_t defaultKeys[] =
997 {
998 0xffffffffffff, // Default key (first key used by program if no user defined key)
999 0x000000000000, // Blank key
1000 0xa0a1a2a3a4a5, // NFCForum MAD key
1001 0xb0b1b2b3b4b5,
1002 0xaabbccddeeff,
1003 0x4d3a99c351dd,
1004 0x1a982c7e459a,
1005 0xd3f7d3f7d3f7,
1006 0x714c5c886e97,
1007 0x587ee5f9350f,
1008 0xa0478cc39091,
1009 0x533cb6c723f6,
1010 0x8fd0a4f256e9
1011 };
1012 int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);
1013
1014 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)
1015 {
1016 num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
1017 }
1018
1019 if (param_getchar(Cmd, 0)=='*') {
1020 blockNo = 3;
1021 switch(param_getchar(Cmd+1, 0)) {
1022 case '0': SectorsCnt = 5; break;
1023 case '1': SectorsCnt = 16; break;
1024 case '2': SectorsCnt = 32; break;
1025 case '4': SectorsCnt = 40; break;
1026 default: SectorsCnt = 16;
1027 }
1028 }
1029 else
1030 blockNo = param_get8(Cmd, 0);
1031
1032 ctmp = param_getchar(Cmd, 1);
1033 switch (ctmp) {
1034 case 'a': case 'A':
1035 keyType = !0;
1036 break;
1037 case 'b': case 'B':
1038 keyType = !1;
1039 break;
1040 case '?':
1041 keyType = 2;
1042 break;
1043 default:
1044 PrintAndLog("Key type must be A , B or ?");
1045 free(keyBlock);
1046 return 1;
1047 };
1048
1049 ctmp = param_getchar(Cmd, 2);
1050 if (ctmp == 't' || ctmp == 'T') transferToEml = 1;
1051 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;
1052
1053 for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {
1054 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
1055 if ( stKeyBlock - keycnt < 2) {
1056 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1057 if (!p) {
1058 PrintAndLog("Cannot allocate memory for Keys");
1059 free(keyBlock);
1060 return 2;
1061 }
1062 keyBlock = p;
1063 }
1064 PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1065 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1066 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1067 keycnt++;
1068 } else {
1069 // May be a dic file
1070 if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {
1071 PrintAndLog("File name too long");
1072 free(keyBlock);
1073 return 2;
1074 }
1075
1076 if ( (f = fopen( filename , "r")) ) {
1077 while( fgets(buf, sizeof(buf), f) ){
1078 if (strlen(buf) < 12 || buf[11] == '\n')
1079 continue;
1080
1081 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1082
1083 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
1084
1085 if (!isxdigit(buf[0])){
1086 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
1087 continue;
1088 }
1089
1090 buf[12] = 0;
1091
1092 if ( stKeyBlock - keycnt < 2) {
1093 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1094 if (!p) {
1095 PrintAndLog("Cannot allocate memory for defKeys");
1096 free(keyBlock);
1097 fclose(f);
1098 return 2;
1099 }
1100 keyBlock = p;
1101 }
1102 memset(keyBlock + 6 * keycnt, 0, 6);
1103 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
1104 PrintAndLog("chk custom key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
1105 keycnt++;
1106 memset(buf, 0, sizeof(buf));
1107 }
1108 fclose(f);
1109 } else {
1110 PrintAndLog("File: %s: not found or locked.", filename);
1111 free(keyBlock);
1112 return 1;
1113
1114 }
1115 }
1116 }
1117
1118 if (keycnt == 0) {
1119 PrintAndLog("No key specified, trying default keys");
1120 for (;keycnt < defaultKeysSize; keycnt++)
1121 PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1122 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1123 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1124 }
1125
1126 // initialize storage for found keys
1127 bool validKey[2][40];
1128 uint8_t foundKey[2][40][6];
1129 for (uint16_t t = 0; t < 2; t++) {
1130 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1131 validKey[t][sectorNo] = false;
1132 for (uint16_t i = 0; i < 6; i++) {
1133 foundKey[t][sectorNo][i] = 0xff;
1134 }
1135 }
1136 }
1137 // time
1138 clock_t t1 = clock();
1139
1140 for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) {
1141 int b=blockNo;
1142 for (int i = 0; i < SectorsCnt; ++i) {
1143 PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt);
1144 uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt;
1145 for (uint32_t c = 0; c < keycnt; c+=max_keys) {
1146 uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c;
1147 res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);
1148 if (res != 1) {
1149 if (!res) {
1150 PrintAndLog("Found valid key:[%012"llx"]",key64);
1151 num_to_bytes(key64, 6, foundKey[t][i]);
1152 validKey[t][i] = true;
1153 }
1154 } else {
1155 PrintAndLog("Command execute timeout");
1156 }
1157 }
1158 b<127?(b+=4):(b+=16);
1159 }
1160 }
1161 t1 = clock() - t1;
1162 if ( t1 > 0 ){
1163 printf("Time in checkkeys: %f ticks %1.2f sec (%1.2f sec per key)\n\n", (float)t1, ((float)t1)/CLOCKS_PER_SEC, ((float)t1)/keycnt/CLOCKS_PER_SEC);
1164 }
1165
1166 if (transferToEml) {
1167 uint8_t block[16];
1168 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1169 if (validKey[0][sectorNo] || validKey[1][sectorNo]) {
1170 mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1171 for (uint16_t t = 0; t < 2; t++) {
1172 if (validKey[t][sectorNo]) {
1173 memcpy(block + t*10, foundKey[t][sectorNo], 6);
1174 }
1175 }
1176 mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1177 }
1178 }
1179 PrintAndLog("Found keys have been transferred to the emulator memory");
1180 }
1181
1182 if (createDumpFile) {
1183 FILE *fkeys = fopen("dumpkeys.bin","wb");
1184 if (fkeys == NULL) {
1185 PrintAndLog("Could not create file dumpkeys.bin");
1186 free(keyBlock);
1187 return 1;
1188 }
1189 for (uint16_t t = 0; t < 2; t++) {
1190 fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys);
1191 }
1192 fclose(fkeys);
1193 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1194 }
1195
1196 free(keyBlock);
1197 PrintAndLog("");
1198 return 0;
1199 }
1200
1201 int CmdHF14AMf1kSim(const char *Cmd)
1202 {
1203 uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};
1204 uint8_t exitAfterNReads = 0;
1205 uint8_t flags = 0;
1206
1207 uint8_t cmdp = param_getchar(Cmd, 0);
1208
1209 if (cmdp == 'h' || cmdp == 'H') {
1210 PrintAndLog("Usage: hf mf sim u <uid (8 hex symbols)> n <numreads> i x");
1211 PrintAndLog(" h this help");
1212 PrintAndLog(" u (Optional) UID. If not specified, the UID from emulator memory will be used");
1213 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1214 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1215 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1216 PrintAndLog("");
1217 PrintAndLog(" sample: hf mf sim u 0a0a0a0a ");
1218 return 0;
1219 }
1220 uint8_t pnr = 0;
1221 if (param_getchar(Cmd, pnr) == 'u') {
1222 if(param_gethex(Cmd, pnr+1, uid, 8) == 0)
1223 {
1224 flags |= FLAG_4B_UID_IN_DATA; // UID from packet
1225 } else if(param_gethex(Cmd,pnr+1,uid,14) == 0) {
1226 flags |= FLAG_7B_UID_IN_DATA;// UID from packet
1227 } else {
1228 PrintAndLog("UID, if specified, must include 8 or 14 HEX symbols");
1229 return 1;
1230 }
1231 pnr +=2;
1232 }
1233
1234 if (param_getchar(Cmd, pnr) == 'n') {
1235 exitAfterNReads = param_get8(Cmd,pnr+1);
1236 pnr += 2;
1237 }
1238
1239 if (param_getchar(Cmd, pnr) == 'i' ) {
1240 //Using a flag to signal interactiveness, least significant bit
1241 flags |= FLAG_INTERACTIVE;
1242 pnr++;
1243 }
1244
1245 if (param_getchar(Cmd, pnr) == 'x' ) {
1246 //Using a flag to signal interactiveness, least significant bit
1247 flags |= FLAG_NR_AR_ATTACK;
1248 }
1249
1250 PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) ",
1251 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1252 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): "N/A"
1253 , exitAfterNReads
1254 , flags
1255 , flags);
1256
1257
1258 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1259 memcpy(c.d.asBytes, uid, sizeof(uid));
1260 clearCommandBuffer();
1261 SendCommand(&c);
1262
1263 if(flags & FLAG_INTERACTIVE)
1264 {
1265 uint8_t data[40];
1266 uint8_t key[6];
1267
1268 UsbCommand resp;
1269 PrintAndLog("Press pm3-button or send another cmd to abort simulation");
1270
1271 while( !ukbhit() ){
1272 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue;
1273
1274 if ( !(flags & FLAG_NR_AR_ATTACK) ) break;
1275
1276 if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;
1277
1278 memset(data, 0x00, sizeof(data));
1279 memset(key, 0x00, sizeof(key));
1280 int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
1281
1282 memcpy(data, resp.d.asBytes, len);
1283
1284 uint64_t corr_uid = 0;
1285
1286 // this IF? what was I thinking of?
1287 if ( memcmp(data, "\x00\x00\x00\x00", 4) == 0 ) {
1288 corr_uid = ((uint64_t)(data[3] << 24)) | (data[2] << 16) | (data[1] << 8) | data[0];
1289 tryMfk32(corr_uid, data, key);
1290 } else {
1291 corr_uid |= (uint64_t)data[2] << 48;
1292 corr_uid |= (uint64_t)data[1] << 40;
1293 corr_uid |= (uint64_t)data[0] << 32;
1294 corr_uid |= (uint64_t)data[7] << 24;
1295 corr_uid |= (uint64_t)data[6] << 16;
1296 corr_uid |= (uint64_t)data[5] << 8;
1297 corr_uid |= (uint64_t)data[4];
1298 tryMfk64(corr_uid, data, key);
1299 }
1300 PrintAndLog("--");
1301 }
1302 }
1303 return 0;
1304 }
1305
1306 int CmdHF14AMfDbg(const char *Cmd)
1307 {
1308 int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1309 if (dbgMode > 4) {
1310 PrintAndLog("Max debug mode parameter is 4 \n");
1311 }
1312
1313 if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1314 PrintAndLog("Usage: hf mf dbg <debug level>");
1315 PrintAndLog(" 0 - no debug messages");
1316 PrintAndLog(" 1 - error messages");
1317 PrintAndLog(" 2 - plus information messages");
1318 PrintAndLog(" 3 - plus debug messages");
1319 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1320 PrintAndLog(" Note: this option therefore may cause malfunction itself");
1321 return 0;
1322 }
1323
1324 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1325 SendCommand(&c);
1326
1327 return 0;
1328 }
1329
1330 int CmdHF14AMfEGet(const char *Cmd)
1331 {
1332 uint8_t blockNo = 0;
1333 uint8_t data[16] = {0x00};
1334
1335 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1336 PrintAndLog("Usage: hf mf eget <block number>");
1337 PrintAndLog(" sample: hf mf eget 0 ");
1338 return 0;
1339 }
1340
1341 blockNo = param_get8(Cmd, 0);
1342
1343 PrintAndLog(" ");
1344 if (!mfEmlGetMem(data, blockNo, 1)) {
1345 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1346 } else {
1347 PrintAndLog("Command execute timeout");
1348 }
1349
1350 return 0;
1351 }
1352
1353 int CmdHF14AMfEClear(const char *Cmd)
1354 {
1355 if (param_getchar(Cmd, 0) == 'h') {
1356 PrintAndLog("Usage: hf mf eclr");
1357 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1358 return 0;
1359 }
1360
1361 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1362 SendCommand(&c);
1363 return 0;
1364 }
1365
1366 int CmdHF14AMfESet(const char *Cmd)
1367 {
1368 uint8_t memBlock[16];
1369 uint8_t blockNo = 0;
1370
1371 memset(memBlock, 0x00, sizeof(memBlock));
1372
1373 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1374 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1375 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1376 return 0;
1377 }
1378
1379 blockNo = param_get8(Cmd, 0);
1380
1381 if (param_gethex(Cmd, 1, memBlock, 32)) {
1382 PrintAndLog("block data must include 32 HEX symbols");
1383 return 1;
1384 }
1385
1386 // 1 - blocks count
1387 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};
1388 memcpy(c.d.asBytes, memBlock, 16);
1389 SendCommand(&c);
1390 return 0;
1391 }
1392
1393 int CmdHF14AMfELoad(const char *Cmd)
1394 {
1395 FILE * f;
1396 char filename[FILE_PATH_SIZE];
1397 char *fnameptr = filename;
1398 char buf[64] = {0x00};
1399 uint8_t buf8[64] = {0x00};
1400 int i, len, blockNum, numBlocks;
1401 int nameParamNo = 1;
1402 uint8_t blockWidth = 32;
1403 char ctmp = param_getchar(Cmd, 0);
1404
1405 if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1406 PrintAndLog("It loads emul dump from the file `filename.eml`");
1407 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`> [numblocks]");
1408 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL");
1409 PrintAndLog("");
1410 PrintAndLog(" sample: hf mf eload filename");
1411 PrintAndLog(" hf mf eload 4 filename");
1412 return 0;
1413 }
1414
1415 switch (ctmp) {
1416 case '0' : numBlocks = 5*4; break;
1417 case '1' :
1418 case '\0': numBlocks = 16*4; break;
1419 case '2' : numBlocks = 32*4; break;
1420 case '4' : numBlocks = 256; break;
1421 case 'U' : // fall through
1422 case 'u' : numBlocks = 255; blockWidth = 8; break;
1423 default: {
1424 numBlocks = 16*4;
1425 nameParamNo = 0;
1426 }
1427 }
1428 uint32_t numblk2 = param_get32ex(Cmd,2,0,10);
1429 if (numblk2 > 0) numBlocks = numblk2;
1430
1431 len = param_getstr(Cmd,nameParamNo,filename);
1432
1433 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1434
1435 fnameptr += len;
1436
1437 sprintf(fnameptr, ".eml");
1438
1439 // open file
1440 f = fopen(filename, "r");
1441 if (f == NULL) {
1442 PrintAndLog("File %s not found or locked", filename);
1443 return 1;
1444 }
1445
1446 blockNum = 0;
1447 while(!feof(f)){
1448 memset(buf, 0, sizeof(buf));
1449
1450 if (fgets(buf, sizeof(buf), f) == NULL) {
1451
1452 if (blockNum >= numBlocks) break;
1453
1454 PrintAndLog("File reading error.");
1455 fclose(f);
1456 return 2;
1457 }
1458
1459 if (strlen(buf) < blockWidth){
1460 if(strlen(buf) && feof(f))
1461 break;
1462 PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth);
1463 fclose(f);
1464 return 2;
1465 }
1466
1467 for (i = 0; i < blockWidth; i += 2) {
1468 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1469 }
1470 if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) {
1471 PrintAndLog("Cant set emul block: %3d", blockNum);
1472 fclose(f);
1473 return 3;
1474 }
1475 printf(".");
1476 blockNum++;
1477
1478 if (blockNum >= numBlocks) break;
1479 }
1480 fclose(f);
1481 printf("\n");
1482
1483 if ((blockNum != numBlocks)) {
1484 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1485 return 4;
1486 }
1487 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1488 return 0;
1489 }
1490
1491 int CmdHF14AMfESave(const char *Cmd)
1492 {
1493 FILE * f;
1494 char filename[FILE_PATH_SIZE];
1495 char * fnameptr = filename;
1496 uint8_t buf[64];
1497 int i, j, len, numBlocks;
1498 int nameParamNo = 1;
1499
1500 memset(filename, 0, sizeof(filename));
1501 memset(buf, 0, sizeof(buf));
1502
1503 char ctmp = param_getchar(Cmd, 0);
1504
1505 if ( ctmp == 'h' || ctmp == 'H') {
1506 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1507 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1508 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1509 PrintAndLog("");
1510 PrintAndLog(" sample: hf mf esave ");
1511 PrintAndLog(" hf mf esave 4");
1512 PrintAndLog(" hf mf esave 4 filename");
1513 return 0;
1514 }
1515
1516 switch (ctmp) {
1517 case '0' : numBlocks = 5*4; break;
1518 case '1' :
1519 case '\0': numBlocks = 16*4; break;
1520 case '2' : numBlocks = 32*4; break;
1521 case '4' : numBlocks = 256; break;
1522 default: {
1523 numBlocks = 16*4;
1524 nameParamNo = 0;
1525 }
1526 }
1527
1528 len = param_getstr(Cmd,nameParamNo,filename);
1529
1530 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1531
1532 // user supplied filename?
1533 if (len < 1) {
1534 // get filename (UID from memory)
1535 if (mfEmlGetMem(buf, 0, 1)) {
1536 PrintAndLog("Can\'t get UID from block: %d", 0);
1537 len = sprintf(fnameptr, "dump");
1538 fnameptr += len;
1539 }
1540 else {
1541 for (j = 0; j < 7; j++, fnameptr += 2)
1542 sprintf(fnameptr, "%02X", buf[j]);
1543 }
1544 } else {
1545 fnameptr += len;
1546 }
1547
1548 // add file extension
1549 sprintf(fnameptr, ".eml");
1550
1551 // open file
1552 f = fopen(filename, "w+");
1553
1554 if ( !f ) {
1555 PrintAndLog("Can't open file %s ", filename);
1556 return 1;
1557 }
1558
1559 // put hex
1560 for (i = 0; i < numBlocks; i++) {
1561 if (mfEmlGetMem(buf, i, 1)) {
1562 PrintAndLog("Cant get block: %d", i);
1563 break;
1564 }
1565 for (j = 0; j < 16; j++)
1566 fprintf(f, "%02X", buf[j]);
1567 fprintf(f,"\n");
1568 }
1569 fclose(f);
1570
1571 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1572
1573 return 0;
1574 }
1575
1576 int CmdHF14AMfECFill(const char *Cmd)
1577 {
1578 uint8_t keyType = 0;
1579 uint8_t numSectors = 16;
1580
1581 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1582 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
1583 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1584 PrintAndLog("");
1585 PrintAndLog("samples: hf mf ecfill A");
1586 PrintAndLog(" hf mf ecfill A 4");
1587 PrintAndLog("Read card and transfer its data to emulator memory.");
1588 PrintAndLog("Keys must be laid in the emulator memory. \n");
1589 return 0;
1590 }
1591
1592 char ctmp = param_getchar(Cmd, 0);
1593 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1594 PrintAndLog("Key type must be A or B");
1595 return 1;
1596 }
1597 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1598
1599 ctmp = param_getchar(Cmd, 1);
1600 switch (ctmp) {
1601 case '0' : numSectors = 5; break;
1602 case '1' :
1603 case '\0': numSectors = 16; break;
1604 case '2' : numSectors = 32; break;
1605 case '4' : numSectors = 40; break;
1606 default: numSectors = 16;
1607 }
1608
1609 printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);
1610 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1611 SendCommand(&c);
1612 return 0;
1613 }
1614
1615 int CmdHF14AMfEKeyPrn(const char *Cmd)
1616 {
1617 int i;
1618 uint8_t numSectors;
1619 uint8_t data[16];
1620 uint64_t keyA, keyB;
1621
1622 char cmdp = param_getchar(Cmd, 0);
1623
1624 if ( cmdp == 'h' || cmdp == 'H' ) {
1625 PrintAndLog("It prints the keys loaded in the emulator memory");
1626 PrintAndLog("Usage: hf mf ekeyprn [card memory]");
1627 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1628 PrintAndLog("");
1629 PrintAndLog(" sample: hf mf ekeyprn 1");
1630 return 0;
1631 }
1632
1633 switch (cmdp) {
1634 case '0' : numSectors = 5; break;
1635 case '1' :
1636 case '\0': numSectors = 16; break;
1637 case '2' : numSectors = 32; break;
1638 case '4' : numSectors = 40; break;
1639 default: numSectors = 16;
1640 }
1641
1642 PrintAndLog("|---|----------------|----------------|");
1643 PrintAndLog("|sec|key A |key B |");
1644 PrintAndLog("|---|----------------|----------------|");
1645 for (i = 0; i < numSectors; i++) {
1646 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
1647 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1648 break;
1649 }
1650 keyA = bytes_to_num(data, 6);
1651 keyB = bytes_to_num(data + 10, 6);
1652 PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB);
1653 }
1654 PrintAndLog("|---|----------------|----------------|");
1655
1656 return 0;
1657 }
1658
1659 int CmdHF14AMfCSetUID(const char *Cmd)
1660 {
1661 uint8_t wipeCard = 0;
1662 uint8_t uid[8] = {0x00};
1663 uint8_t oldUid[8] = {0x00};
1664 uint8_t atqa[2] = {0x00};
1665 uint8_t sak[1] = {0x00};
1666 uint8_t atqaPresent = 1;
1667 int res;
1668 char ctmp;
1669 int argi=0;
1670
1671 if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') {
1672 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols] [w]");
1673 PrintAndLog("sample: hf mf csetuid 01020304");
1674 PrintAndLog("sample: hf mf csetuid 01020304 0004 08 w");
1675 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
1676 PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line.");
1677 return 0;
1678 }
1679
1680 if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) {
1681 PrintAndLog("UID must include 8 HEX symbols");
1682 return 1;
1683 }
1684 argi++;
1685
1686 ctmp = param_getchar(Cmd, argi);
1687 if (ctmp == 'w' || ctmp == 'W') {
1688 wipeCard = 1;
1689 atqaPresent = 0;
1690 }
1691
1692 if (atqaPresent) {
1693 if (param_getchar(Cmd, argi)) {
1694 if (param_gethex(Cmd, argi, atqa, 4)) {
1695 PrintAndLog("ATQA must include 4 HEX symbols");
1696 return 1;
1697 }
1698 argi++;
1699 if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) {
1700 PrintAndLog("SAK must include 2 HEX symbols");
1701 return 1;
1702 }
1703 argi++;
1704 } else
1705 atqaPresent = 0;
1706 }
1707
1708 if(!wipeCard) {
1709 ctmp = param_getchar(Cmd, argi);
1710 if (ctmp == 'w' || ctmp == 'W') {
1711 wipeCard = 1;
1712 }
1713 }
1714
1715 PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4));
1716
1717 res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid, wipeCard);
1718 if (res) {
1719 PrintAndLog("Can't set UID. error=%d", res);
1720 return 1;
1721 }
1722
1723 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
1724 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
1725 return 0;
1726 }
1727
1728 int CmdHF14AMfCSetBlk(const char *Cmd)
1729 {
1730 uint8_t block[16] = {0x00};
1731 uint8_t blockNo = 0;
1732 uint8_t params = MAGIC_SINGLE;
1733 int res;
1734
1735 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1736 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
1737 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
1738 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
1739 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
1740 return 0;
1741 }
1742
1743 blockNo = param_get8(Cmd, 0);
1744
1745 if (param_gethex(Cmd, 1, block, 32)) {
1746 PrintAndLog("block data must include 32 HEX symbols");
1747 return 1;
1748 }
1749
1750 char ctmp = param_getchar(Cmd, 2);
1751 if (ctmp == 'w' || ctmp == 'W')
1752 params |= MAGIC_WIPE;
1753
1754 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(block, 16));
1755
1756 res = mfCSetBlock(blockNo, block, NULL, params);
1757 if (res) {
1758 PrintAndLog("Can't write block. error=%d", res);
1759 return 1;
1760 }
1761 return 0;
1762 }
1763
1764 int CmdHF14AMfCLoad(const char *Cmd)
1765 {
1766 FILE * f;
1767 char filename[FILE_PATH_SIZE];
1768 char * fnameptr = filename;
1769 char buf[64] = {0x00};
1770 uint8_t buf8[64] = {0x00};
1771 uint8_t fillFromEmulator = 0;
1772 int i, len, blockNum, flags=0;
1773
1774 memset(filename, 0, sizeof(filename));
1775
1776 char ctmp = param_getchar(Cmd, 0);
1777
1778 if (ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1779 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
1780 PrintAndLog("or from emulator memory (option `e`)");
1781 PrintAndLog("Usage: hf mf cload <file name w/o `.eml`>");
1782 PrintAndLog(" or: hf mf cload e ");
1783 PrintAndLog(" sample: hf mf cload filename");
1784 return 0;
1785 }
1786
1787 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1788
1789 if (fillFromEmulator) {
1790 for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {
1791 if (mfEmlGetMem(buf8, blockNum, 1)) {
1792 PrintAndLog("Cant get block: %d", blockNum);
1793 return 2;
1794 }
1795 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1796 if (blockNum == 1) flags = 0; // just write
1797 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Magic Halt and switch off field.
1798
1799 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1800 PrintAndLog("Cant set magic card block: %d", blockNum);
1801 return 3;
1802 }
1803 }
1804 return 0;
1805 } else {
1806 len = strlen(Cmd);
1807 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1808
1809 memcpy(filename, Cmd, len);
1810 fnameptr += len;
1811
1812 sprintf(fnameptr, ".eml");
1813
1814 // open file
1815 f = fopen(filename, "r");
1816 if (f == NULL) {
1817 PrintAndLog("File not found or locked.");
1818 return 1;
1819 }
1820
1821 blockNum = 0;
1822 while(!feof(f)){
1823
1824 memset(buf, 0, sizeof(buf));
1825
1826 if (fgets(buf, sizeof(buf), f) == NULL) {
1827 fclose(f);
1828 PrintAndLog("File reading error.");
1829 return 2;
1830 }
1831
1832 if (strlen(buf) < 32) {
1833 if(strlen(buf) && feof(f))
1834 break;
1835 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1836 fclose(f);
1837 return 2;
1838 }
1839 for (i = 0; i < 32; i += 2)
1840 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1841
1842 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1843 if (blockNum == 1) flags = 0; // just write
1844 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Switch off field.
1845
1846 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1847 PrintAndLog("Can't set magic card block: %d", blockNum);
1848 fclose(f);
1849 return 3;
1850 }
1851 blockNum++;
1852
1853 if (blockNum >= 16 * 4) break; // magic card type - mifare 1K
1854 }
1855 fclose(f);
1856
1857 // 64 or 256blocks.
1858 if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
1859 PrintAndLog("File content error. There must be 64 blocks");
1860 return 4;
1861 }
1862 PrintAndLog("Loaded from file: %s", filename);
1863 return 0;
1864 }
1865 return 0;
1866 }
1867
1868 int CmdHF14AMfCGetBlk(const char *Cmd) {
1869 uint8_t data[16];
1870 uint8_t blockNo = 0;
1871 int res;
1872 memset(data, 0x00, sizeof(data));
1873 char ctmp = param_getchar(Cmd, 0);
1874
1875 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
1876 PrintAndLog("Usage: hf mf cgetblk <block number>");
1877 PrintAndLog("sample: hf mf cgetblk 1");
1878 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
1879 return 0;
1880 }
1881
1882 blockNo = param_get8(Cmd, 0);
1883
1884 PrintAndLog("--block number:%2d ", blockNo);
1885
1886 res = mfCGetBlock(blockNo, data, MAGIC_SINGLE);
1887 if (res) {
1888 PrintAndLog("Can't read block. error=%d", res);
1889 return 1;
1890 }
1891
1892 PrintAndLog("data: %s", sprint_hex(data, sizeof(data)));
1893 return 0;
1894 }
1895
1896 int CmdHF14AMfCGetSc(const char *Cmd) {
1897 uint8_t data[16];
1898 uint8_t sectorNo = 0;
1899 int i, res, flags;
1900 memset(data, 0x00, sizeof(data));
1901 char ctmp = param_getchar(Cmd, 0);
1902
1903 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
1904 PrintAndLog("Usage: hf mf cgetsc <sector number>");
1905 PrintAndLog("sample: hf mf cgetsc 0");
1906 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
1907 return 0;
1908 }
1909
1910 sectorNo = param_get8(Cmd, 0);
1911 if (sectorNo > 15) {
1912 PrintAndLog("Sector number must be in [0..15] as in MIFARE classic.");
1913 return 1;
1914 }
1915
1916 PrintAndLog("--sector number:%d ", sectorNo);
1917 PrintAndLog("block | data");
1918
1919 flags = MAGIC_INIT + MAGIC_WUPC;
1920 for (i = 0; i < 4; i++) {
1921 if (i == 1) flags = 0;
1922 if (i == 3) flags = MAGIC_HALT + MAGIC_OFF;
1923
1924 res = mfCGetBlock(sectorNo * 4 + i, data, flags);
1925 if (res) {
1926 PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res);
1927 return 1;
1928 }
1929 PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data)));
1930 }
1931 return 0;
1932 }
1933
1934 int CmdHF14AMfCSave(const char *Cmd) {
1935
1936 FILE * f;
1937 char filename[FILE_PATH_SIZE];
1938 char * fnameptr = filename;
1939 uint8_t fillFromEmulator = 0;
1940 uint8_t buf[64];
1941 int i, j, len, flags;
1942
1943 memset(filename, 0, sizeof(filename));
1944 memset(buf, 0, sizeof(buf));
1945 char ctmp = param_getchar(Cmd, 0);
1946
1947 if ( ctmp == 'h' || ctmp == 'H' ) {
1948 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
1949 PrintAndLog("or into emulator memory (option `e`)");
1950 PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]");
1951 PrintAndLog(" sample: hf mf esave ");
1952 PrintAndLog(" hf mf esave filename");
1953 PrintAndLog(" hf mf esave e \n");
1954 return 0;
1955 }
1956 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1957
1958 if (fillFromEmulator) {
1959 // put into emulator
1960 flags = MAGIC_INIT + MAGIC_WUPC;
1961 for (i = 0; i < 16 * 4; i++) {
1962 if (i == 1) flags = 0;
1963 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
1964
1965 if (mfCGetBlock(i, buf, flags)) {
1966 PrintAndLog("Cant get block: %d", i);
1967 break;
1968 }
1969
1970 if (mfEmlSetMem(buf, i, 1)) {
1971 PrintAndLog("Cant set emul block: %d", i);
1972 return 3;
1973 }
1974 }
1975 return 0;
1976 } else {
1977 len = strlen(Cmd);
1978 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1979
1980 // get filename based on UID
1981 if (len < 1) {
1982
1983 if (mfCGetBlock(0, buf, MAGIC_SINGLE)) {
1984 PrintAndLog("Cant get block: %d", 0);
1985 len = sprintf(fnameptr, "dump");
1986 fnameptr += len;
1987 } else {
1988 for (j = 0; j < 7; j++, fnameptr += 2)
1989 sprintf(fnameptr, "%02x", buf[j]);
1990 }
1991 } else {
1992 memcpy(filename, Cmd, len);
1993 fnameptr += len;
1994 }
1995
1996 // add .eml extension
1997 sprintf(fnameptr, ".eml");
1998
1999 // open file
2000 f = fopen(filename, "w+");
2001
2002 if (f == NULL) {
2003 PrintAndLog("File not found or locked.");
2004 return 1;
2005 }
2006
2007 // put hex
2008 flags = MAGIC_INIT + MAGIC_WUPC;
2009 for (i = 0; i < 16 * 4; i++) {
2010 if (i == 1) flags = 0;
2011 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
2012
2013 if (mfCGetBlock(i, buf, flags)) {
2014 PrintAndLog("Cant get block: %d", i);
2015 break;
2016 }
2017 for (j = 0; j < 16; j++)
2018 fprintf(f, "%02x", buf[j]);
2019 fprintf(f,"\n");
2020 }
2021 fflush(f);
2022 fclose(f);
2023 PrintAndLog("Saved to file: %s", filename);
2024 return 0;
2025 }
2026 }
2027
2028 int CmdHF14AMfSniff(const char *Cmd){
2029
2030 bool wantLogToFile = 0;
2031 bool wantDecrypt = 0;
2032 //bool wantSaveToEml = 0; TODO
2033 bool wantSaveToEmlFile = 0;
2034
2035 //var
2036 int tmpchar;
2037 int res = 0;
2038 int len = 0;
2039 int blockLen = 0;
2040 int pckNum = 0;
2041 int num = 0;
2042 uint8_t uid[7];
2043 uint8_t uid_len;
2044 uint8_t atqa[2] = {0x00};
2045 uint8_t sak;
2046 bool isTag;
2047 uint8_t *buf = NULL;
2048 uint16_t bufsize = 0;
2049 uint8_t *bufPtr = NULL;
2050
2051 char ctmp = param_getchar(Cmd, 0);
2052 if ( ctmp == 'h' || ctmp == 'H' ) {
2053 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
2054 PrintAndLog("You can specify:");
2055 PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");
2056 PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");
2057 PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
2058 PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
2059 PrintAndLog("Usage: hf mf sniff [l][d][e][f]");
2060 PrintAndLog(" sample: hf mf sniff l d e");
2061 return 0;
2062 }
2063
2064 for (int i = 0; i < 4; i++) {
2065 ctmp = param_getchar(Cmd, i);
2066 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
2067 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
2068 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
2069 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
2070 }
2071
2072 printf("-------------------------------------------------------------------------\n");
2073 printf("Executing command. \n");
2074 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
2075 printf("Press the key on pc keyboard to abort the client.\n");
2076 printf("-------------------------------------------------------------------------\n");
2077
2078 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
2079 clearCommandBuffer();
2080 SendCommand(&c);
2081
2082 // wait cycle
2083 while (true) {
2084 printf(".");
2085 fflush(stdout);
2086 if (ukbhit()) {
2087 tmpchar = getchar();
2088 (void)tmpchar;
2089 printf("\naborted via keyboard!\n");
2090 break;
2091 }
2092
2093 UsbCommand resp;
2094 if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {
2095 res = resp.arg[0] & 0xff;
2096 uint16_t traceLen = resp.arg[1];
2097 len = resp.arg[2];
2098
2099 if (res == 0) {
2100 free(buf);
2101 return 0; // we are done
2102 }
2103
2104 if (res == 1) { // there is (more) data to be transferred
2105 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
2106 if (traceLen > bufsize) {
2107 uint8_t *p;
2108 if (buf == NULL) { // not yet allocated
2109 p = malloc(traceLen);
2110 } else { // need more memory
2111 p = realloc(buf, traceLen);
2112 }
2113 if (p == NULL) {
2114 PrintAndLog("Cannot allocate memory for trace");
2115 free(buf);
2116 return 2;
2117 }
2118 buf = p;
2119 }
2120 bufPtr = buf;
2121 bufsize = traceLen;
2122 memset(buf, 0x00, traceLen);
2123 }
2124 if (bufPtr == NULL) {
2125 PrintAndLog("Cannot allocate memory for trace");
2126 free(buf);
2127 return 2;
2128 }
2129 memcpy(bufPtr, resp.d.asBytes, len);
2130 bufPtr += len;
2131 pckNum++;
2132 }
2133
2134 if (res == 2) { // received all data, start displaying
2135 blockLen = bufPtr - buf;
2136 bufPtr = buf;
2137 printf(">\n");
2138 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
2139 while (bufPtr - buf < blockLen) {
2140 bufPtr += 6; // skip (void) timing information
2141 len = *((uint16_t *)bufPtr);
2142 if(len & 0x8000) {
2143 isTag = true;
2144 len &= 0x7fff;
2145 } else {
2146 isTag = false;
2147 }
2148 bufPtr += 2;
2149 if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
2150 memcpy(uid, bufPtr + 2, 7);
2151 memcpy(atqa, bufPtr + 2 + 7, 2);
2152 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
2153 sak = bufPtr[11];
2154 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
2155 sprint_hex(uid + (7 - uid_len), uid_len),
2156 atqa[1],
2157 atqa[0],
2158 sak);
2159 if (wantLogToFile || wantDecrypt) {
2160 FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
2161 AddLogCurrentDT(logHexFileName);
2162 }
2163 if (wantDecrypt)
2164 mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
2165 } else {
2166 PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
2167 if (wantLogToFile)
2168 AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
2169 if (wantDecrypt)
2170 mfTraceDecode(bufPtr, len, wantSaveToEmlFile);
2171 num++;
2172 }
2173 bufPtr += len;
2174 bufPtr += ((len-1)/8+1); // ignore parity
2175 }
2176 pckNum = 0;
2177 }
2178 } // resp not NULL
2179 } // while (true)
2180
2181 free(buf);
2182 return 0;
2183 }
2184
2185 //needs nt, ar, at, Data to decrypt
2186 int CmdHf14MfDecryptBytes(const char *Cmd){
2187 uint8_t data[50];
2188
2189 uint32_t nt = param_get32ex(Cmd,0,0,16);
2190 uint32_t ar_enc = param_get32ex(Cmd,1,0,16);
2191 uint32_t at_enc = param_get32ex(Cmd,2,0,16);
2192
2193 int len = 0;
2194 param_gethex_ex(Cmd, 3, data, &len);
2195
2196 len /= 2;
2197 int limit = sizeof(data) / 2;
2198
2199 if ( len >= limit )
2200 len = limit;
2201
2202 return tryDecryptWord( nt, ar_enc, at_enc, data, len);
2203 }
2204
2205 static command_t CommandTable[] = {
2206 {"help", CmdHelp, 1, "This help"},
2207 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
2208 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
2209 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
2210 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
2211 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
2212 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
2213 {"chk", CmdHF14AMfChk, 0, "Test block keys"},
2214 {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},
2215 {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
2216 {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},
2217 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
2218 {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},
2219 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},
2220 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
2221 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
2222 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
2223 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
2224 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
2225 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
2226 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
2227 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
2228 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
2229 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
2230 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
2231 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
2232 {"decrypt", CmdHf14MfDecryptBytes, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2233 {NULL, NULL, 0, NULL}
2234 };
2235
2236 int CmdHFMF(const char *Cmd) {
2237 // flush
2238 clearCommandBuffer();
2239 //WaitForResponseTimeout(CMD_ACK,NULL,100);
2240 CmdsParse(CommandTable, Cmd);
2241 return 0;
2242 }
2243
2244 int CmdHelp(const char *Cmd) {
2245 CmdsHelp(CommandTable);
2246 return 0;
2247 }
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