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CHG: updated helptext for lf t55xx bruteforce
[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
24 UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}};
25
26 // message
27 printf("-------------------------------------------------------------------------\n");
28 printf("Executing command. Expected execution time: 25sec on average :-)\n");
29 printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");
30 printf("-------------------------------------------------------------------------\n");
31
32
33 start:
34 clearCommandBuffer();
35 SendCommand(&c);
36
37 //flush queue
38 while (ukbhit()) getchar();
39
40 // wait cycle
41 while (true) {
42 printf(".");
43 fflush(stdout);
44 if (ukbhit()) {
45 getchar();
46 printf("\naborted via keyboard!\n");
47 break;
48 }
49
50 UsbCommand resp;
51 if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
52 isOK = resp.arg[0];
53 uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);
54 nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);
55 par_list = bytes_to_num(resp.d.asBytes + 8, 8);
56 ks_list = bytes_to_num(resp.d.asBytes + 16, 8);
57 nr = bytes_to_num(resp.d.asBytes + 24, 4);
58 printf("\n\n");
59 switch (isOK) {
60 case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;
61 case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;
62 case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;
63 case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
64 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;
65 default: ;
66 }
67 break;
68 }
69 }
70
71 printf("\n");
72
73 // error
74 if (isOK != 1) return 1;
75
76 // execute original function from util nonce2key
77 if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {
78 isOK = 2;
79 PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);
80 PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");
81 c.arg[0] = false;
82 goto start;
83 } else {
84 isOK = 0;
85 printf("------------------------------------------------------------------\n");
86 PrintAndLog("Found valid key: %012"llx" \n", r_key);
87 }
88
89 PrintAndLog("");
90 return 0;
91 }
92
93 int CmdHF14AMfWrBl(const char *Cmd)
94 {
95 uint8_t blockNo = 0;
96 uint8_t keyType = 0;
97 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
98 uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
99
100 char cmdp = 0x00;
101
102 if (strlen(Cmd)<3) {
103 PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
104 PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
105 return 0;
106 }
107
108 blockNo = param_get8(Cmd, 0);
109 cmdp = param_getchar(Cmd, 1);
110 if (cmdp == 0x00) {
111 PrintAndLog("Key type must be A or B");
112 return 1;
113 }
114 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
115 if (param_gethex(Cmd, 2, key, 12)) {
116 PrintAndLog("Key must include 12 HEX symbols");
117 return 1;
118 }
119 if (param_gethex(Cmd, 3, bldata, 32)) {
120 PrintAndLog("Block data must include 32 HEX symbols");
121 return 1;
122 }
123 PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
124 PrintAndLog("--data: %s", sprint_hex(bldata, 16));
125
126 UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
127 memcpy(c.d.asBytes, key, 6);
128 memcpy(c.d.asBytes + 10, bldata, 16);
129 clearCommandBuffer();
130 SendCommand(&c);
131
132 UsbCommand resp;
133 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
134 uint8_t isOK = resp.arg[0] & 0xff;
135 PrintAndLog("isOk:%02x", isOK);
136 } else {
137 PrintAndLog("Command execute timeout");
138 }
139
140 return 0;
141 }
142
143 int CmdHF14AMfRdBl(const char *Cmd)
144 {
145 uint8_t blockNo = 0;
146 uint8_t keyType = 0;
147 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
148
149 char cmdp = 0x00;
150
151
152 if (strlen(Cmd)<3) {
153 PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>");
154 PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
155 return 0;
156 }
157
158 blockNo = param_get8(Cmd, 0);
159 cmdp = param_getchar(Cmd, 1);
160 if (cmdp == 0x00) {
161 PrintAndLog("Key type must be A or B");
162 return 1;
163 }
164 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
165 if (param_gethex(Cmd, 2, key, 12)) {
166 PrintAndLog("Key must include 12 HEX symbols");
167 return 1;
168 }
169 PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
170
171 UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
172 memcpy(c.d.asBytes, key, 6);
173 clearCommandBuffer();
174 SendCommand(&c);
175
176 UsbCommand resp;
177 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
178 uint8_t isOK = resp.arg[0] & 0xff;
179 uint8_t *data = resp.d.asBytes;
180
181 if (isOK)
182 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
183 else
184 PrintAndLog("isOk:%02x", isOK);
185 } else {
186 PrintAndLog("Command execute timeout");
187 }
188
189 return 0;
190 }
191
192 int CmdHF14AMfRdSc(const char *Cmd)
193 {
194 int i;
195 uint8_t sectorNo = 0;
196 uint8_t keyType = 0;
197 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
198 uint8_t isOK = 0;
199 uint8_t *data = NULL;
200 char cmdp = 0x00;
201
202 if (strlen(Cmd)<3) {
203 PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>");
204 PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
205 return 0;
206 }
207
208 sectorNo = param_get8(Cmd, 0);
209 if (sectorNo > 39) {
210 PrintAndLog("Sector number must be less than 40");
211 return 1;
212 }
213 cmdp = param_getchar(Cmd, 1);
214 if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
215 PrintAndLog("Key type must be A or B");
216 return 1;
217 }
218 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
219 if (param_gethex(Cmd, 2, key, 12)) {
220 PrintAndLog("Key must include 12 HEX symbols");
221 return 1;
222 }
223 PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
224
225 UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
226 memcpy(c.d.asBytes, key, 6);
227 clearCommandBuffer();
228 SendCommand(&c);
229 PrintAndLog(" ");
230
231 UsbCommand resp;
232 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
233 isOK = resp.arg[0] & 0xff;
234 data = resp.d.asBytes;
235
236 PrintAndLog("isOk:%02x", isOK);
237 if (isOK) {
238 for (i = 0; i < (sectorNo<32?3:15); i++) {
239 PrintAndLog("data : %s", sprint_hex(data + i * 16, 16));
240 }
241 PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
242 }
243 } else {
244 PrintAndLog("Command execute timeout");
245 }
246
247 return 0;
248 }
249
250 uint8_t FirstBlockOfSector(uint8_t sectorNo)
251 {
252 if (sectorNo < 32) {
253 return sectorNo * 4;
254 } else {
255 return 32 * 4 + (sectorNo - 32) * 16;
256 }
257 }
258
259 uint8_t NumBlocksPerSector(uint8_t sectorNo)
260 {
261 if (sectorNo < 32) {
262 return 4;
263 } else {
264 return 16;
265 }
266 }
267
268 int CmdHF14AMfDump(const char *Cmd)
269 {
270 uint8_t sectorNo, blockNo;
271
272 uint8_t keyA[40][6];
273 uint8_t keyB[40][6];
274 uint8_t rights[40][4];
275 uint8_t carddata[256][16];
276 uint8_t numSectors = 16;
277
278 FILE *fin;
279 FILE *fout;
280
281 UsbCommand resp;
282
283 char cmdp = param_getchar(Cmd, 0);
284 switch (cmdp) {
285 case '0' : numSectors = 5; break;
286 case '1' :
287 case '\0': numSectors = 16; break;
288 case '2' : numSectors = 32; break;
289 case '4' : numSectors = 40; break;
290 default: numSectors = 16;
291 }
292
293 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
294 PrintAndLog("Usage: hf mf dump [card memory]");
295 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
296 PrintAndLog("");
297 PrintAndLog("Samples: hf mf dump");
298 PrintAndLog(" hf mf dump 4");
299 return 0;
300 }
301
302 if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
303 PrintAndLog("Could not find file dumpkeys.bin");
304 return 1;
305 }
306
307 // Read keys A from file
308 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
309 if (fread( keyA[sectorNo], 1, 6, fin ) == 0) {
310 PrintAndLog("File reading error.");
311 fclose(fin);
312 return 2;
313 }
314 }
315
316 // Read keys B from file
317 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
318 if (fread( keyB[sectorNo], 1, 6, fin ) == 0) {
319 PrintAndLog("File reading error.");
320 fclose(fin);
321 return 2;
322 }
323 }
324
325 fclose(fin);
326
327 PrintAndLog("|-----------------------------------------|");
328 PrintAndLog("|------ Reading sector access bits...-----|");
329 PrintAndLog("|-----------------------------------------|");
330
331 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
332 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
333 memcpy(c.d.asBytes, keyA[sectorNo], 6);
334 clearCommandBuffer();
335 SendCommand(&c);
336
337 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
338 uint8_t isOK = resp.arg[0] & 0xff;
339 uint8_t *data = resp.d.asBytes;
340 if (isOK){
341 rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0
342 rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1
343 rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2
344 rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer
345 } else {
346 PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
347 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
348 rights[sectorNo][3] = 0x01;
349 }
350 } else {
351 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
352 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
353 rights[sectorNo][3] = 0x01;
354 }
355 }
356
357 PrintAndLog("|-----------------------------------------|");
358 PrintAndLog("|----- Dumping all blocks to file... -----|");
359 PrintAndLog("|-----------------------------------------|");
360
361 bool isOK = true;
362 for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
363 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
364 bool received = false;
365
366 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A.
367 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
368 memcpy(c.d.asBytes, keyA[sectorNo], 6);
369 clearCommandBuffer();
370 SendCommand(&c);
371 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
372 } else { // data block. Check if it can be read with key A or key B
373 uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
374 if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work
375 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
376 memcpy(c.d.asBytes, keyB[sectorNo], 6);
377 SendCommand(&c);
378 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
379 } else if (rights[sectorNo][data_area] == 0x07) { // no key would work
380 isOK = false;
381 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
382 } else { // key A would work
383 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
384 memcpy(c.d.asBytes, keyA[sectorNo], 6);
385 clearCommandBuffer();
386 SendCommand(&c);
387 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
388 }
389 }
390
391 if (received) {
392 isOK = resp.arg[0] & 0xff;
393 uint8_t *data = resp.d.asBytes;
394 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys.
395 data[0] = (keyA[sectorNo][0]);
396 data[1] = (keyA[sectorNo][1]);
397 data[2] = (keyA[sectorNo][2]);
398 data[3] = (keyA[sectorNo][3]);
399 data[4] = (keyA[sectorNo][4]);
400 data[5] = (keyA[sectorNo][5]);
401 data[10] = (keyB[sectorNo][0]);
402 data[11] = (keyB[sectorNo][1]);
403 data[12] = (keyB[sectorNo][2]);
404 data[13] = (keyB[sectorNo][3]);
405 data[14] = (keyB[sectorNo][4]);
406 data[15] = (keyB[sectorNo][5]);
407 }
408 if (isOK) {
409 memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
410 PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
411 } else {
412 PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
413 break;
414 }
415 }
416 else {
417 isOK = false;
418 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
419 break;
420 }
421 }
422 }
423
424 if (isOK) {
425 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
426 PrintAndLog("Could not create file name dumpdata.bin");
427 return 1;
428 }
429 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
430 fwrite(carddata, 1, 16*numblocks, fout);
431 fclose(fout);
432 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
433 }
434
435 return 0;
436 }
437
438 int CmdHF14AMfRestore(const char *Cmd)
439 {
440 uint8_t sectorNo,blockNo;
441 uint8_t keyType = 0;
442 uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
443 uint8_t bldata[16] = {0x00};
444 uint8_t keyA[40][6];
445 uint8_t keyB[40][6];
446 uint8_t numSectors;
447
448 FILE *fdump;
449 FILE *fkeys;
450
451 char cmdp = param_getchar(Cmd, 0);
452 switch (cmdp) {
453 case '0' : numSectors = 5; break;
454 case '1' :
455 case '\0': numSectors = 16; break;
456 case '2' : numSectors = 32; break;
457 case '4' : numSectors = 40; break;
458 default: numSectors = 16;
459 }
460
461 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
462 PrintAndLog("Usage: hf mf restore [card memory]");
463 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
464 PrintAndLog("");
465 PrintAndLog("Samples: hf mf restore");
466 PrintAndLog(" hf mf restore 4");
467 return 0;
468 }
469
470 if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
471 PrintAndLog("Could not find file dumpkeys.bin");
472 return 1;
473 }
474
475 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
476 if (fread(keyA[sectorNo], 1, 6, fkeys) == 0) {
477 PrintAndLog("File reading error (dumpkeys.bin).");
478 fclose(fkeys);
479 return 2;
480 }
481 }
482
483 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
484 if (fread(keyB[sectorNo], 1, 6, fkeys) == 0) {
485 PrintAndLog("File reading error (dumpkeys.bin).");
486 fclose(fkeys);
487 return 2;
488 }
489 }
490
491 fclose(fkeys);
492
493 if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
494 PrintAndLog("Could not find file dumpdata.bin");
495 return 1;
496 }
497 PrintAndLog("Restoring dumpdata.bin to card");
498
499 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
500 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
501 UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
502 memcpy(c.d.asBytes, key, 6);
503
504 if (fread(bldata, 1, 16, fdump) == 0) {
505 PrintAndLog("File reading error (dumpdata.bin).");
506 fclose(fdump);
507 return 2;
508 }
509
510 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer
511 bldata[0] = (keyA[sectorNo][0]);
512 bldata[1] = (keyA[sectorNo][1]);
513 bldata[2] = (keyA[sectorNo][2]);
514 bldata[3] = (keyA[sectorNo][3]);
515 bldata[4] = (keyA[sectorNo][4]);
516 bldata[5] = (keyA[sectorNo][5]);
517 bldata[10] = (keyB[sectorNo][0]);
518 bldata[11] = (keyB[sectorNo][1]);
519 bldata[12] = (keyB[sectorNo][2]);
520 bldata[13] = (keyB[sectorNo][3]);
521 bldata[14] = (keyB[sectorNo][4]);
522 bldata[15] = (keyB[sectorNo][5]);
523 }
524
525 PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
526
527 memcpy(c.d.asBytes + 10, bldata, 16);
528 clearCommandBuffer();
529 SendCommand(&c);
530
531 UsbCommand resp;
532 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
533 uint8_t isOK = resp.arg[0] & 0xff;
534 PrintAndLog("isOk:%02x", isOK);
535 } else {
536 PrintAndLog("Command execute timeout");
537 }
538 }
539 }
540
541 fclose(fdump);
542 return 0;
543 }
544
545 int CmdHF14AMfNested(const char *Cmd)
546 {
547 int i, j, res, iterations;
548 sector *e_sector = NULL;
549 uint8_t blockNo = 0;
550 uint8_t keyType = 0;
551 uint8_t trgBlockNo = 0;
552 uint8_t trgKeyType = 0;
553 uint8_t SectorsCnt = 0;
554 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
555 uint8_t keyBlock[14*6];
556 uint64_t key64 = 0;
557 bool transferToEml = false;
558
559 bool createDumpFile = false;
560 FILE *fkeys;
561 uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
562 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
563
564 char cmdp, ctmp;
565
566 if (strlen(Cmd)<3) {
567 PrintAndLog("Usage:");
568 PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t,d]");
569 PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>");
570 PrintAndLog(" <target block number> <target key A/B> [t]");
571 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
572 PrintAndLog("t - transfer keys into emulator memory");
573 PrintAndLog("d - write keys to binary file");
574 PrintAndLog(" ");
575 PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");
576 PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");
577 PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");
578 PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");
579 return 0;
580 }
581
582 cmdp = param_getchar(Cmd, 0);
583 blockNo = param_get8(Cmd, 1);
584 ctmp = param_getchar(Cmd, 2);
585
586 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
587 PrintAndLog("Key type must be A or B");
588 return 1;
589 }
590
591 if (ctmp != 'A' && ctmp != 'a')
592 keyType = 1;
593
594 if (param_gethex(Cmd, 3, key, 12)) {
595 PrintAndLog("Key must include 12 HEX symbols");
596 return 1;
597 }
598
599 if (cmdp == 'o' || cmdp == 'O') {
600 cmdp = 'o';
601 trgBlockNo = param_get8(Cmd, 4);
602 ctmp = param_getchar(Cmd, 5);
603 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
604 PrintAndLog("Target key type must be A or B");
605 return 1;
606 }
607 if (ctmp != 'A' && ctmp != 'a')
608 trgKeyType = 1;
609 } else {
610
611 switch (cmdp) {
612 case '0': SectorsCnt = 05; break;
613 case '1': SectorsCnt = 16; break;
614 case '2': SectorsCnt = 32; break;
615 case '4': SectorsCnt = 40; break;
616 default: SectorsCnt = 16;
617 }
618 }
619
620 ctmp = param_getchar(Cmd, 4);
621 if (ctmp == 't' || ctmp == 'T') transferToEml = true;
622 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true;
623
624 ctmp = param_getchar(Cmd, 6);
625 transferToEml |= (ctmp == 't' || ctmp == 'T');
626 transferToEml |= (ctmp == 'd' || ctmp == 'D');
627
628 if (cmdp == 'o') {
629 PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');
630 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
631 if (isOK) {
632 switch (isOK) {
633 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
634 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
635 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
636 default : PrintAndLog("Unknown Error.\n");
637 }
638 return 2;
639 }
640 key64 = bytes_to_num(keyBlock, 6);
641 if (key64) {
642 PrintAndLog("Found valid key:%012"llx, key64);
643
644 // transfer key to the emulator
645 if (transferToEml) {
646 uint8_t sectortrailer;
647 if (trgBlockNo < 32*4) { // 4 block sector
648 sectortrailer = (trgBlockNo & 0x03) + 3;
649 } else { // 16 block sector
650 sectortrailer = (trgBlockNo & 0x0f) + 15;
651 }
652 mfEmlGetMem(keyBlock, sectortrailer, 1);
653
654 if (!trgKeyType)
655 num_to_bytes(key64, 6, keyBlock);
656 else
657 num_to_bytes(key64, 6, &keyBlock[10]);
658 mfEmlSetMem(keyBlock, sectortrailer, 1);
659 }
660 } else {
661 PrintAndLog("No valid key found");
662 }
663 }
664 else { // ------------------------------------ multiple sectors working
665 clock_t time1;
666 time1 = clock();
667
668 e_sector = calloc(SectorsCnt, sizeof(sector));
669 if (e_sector == NULL) return 1;
670
671 //test current key and additional standard keys first
672 memcpy(keyBlock, key, 6);
673 num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6));
674 num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6));
675 num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6));
676 num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6));
677 num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6));
678 num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 6 * 6));
679 num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 7 * 6));
680 num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 8 * 6));
681 num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 9 * 6));
682 num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 10 * 6));
683 num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 11 * 6));
684 num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 12 * 6));
685 num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 13 * 6));
686
687 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
688 for (i = 0; i < SectorsCnt; i++) {
689 for (j = 0; j < 2; j++) {
690 if (e_sector[i].foundKey[j]) continue;
691
692 res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64);
693
694 if (!res) {
695 e_sector[i].Key[j] = key64;
696 e_sector[i].foundKey[j] = 1;
697 }
698 }
699 }
700
701 // nested sectors
702 iterations = 0;
703 PrintAndLog("nested...");
704 bool calibrate = true;
705 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
706 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
707 for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {
708 if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
709 PrintAndLog("-----------------------------------------------");
710 int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
711 if(isOK) {
712 switch (isOK) {
713 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
714 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
715 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
716 default : PrintAndLog("Unknown Error.\n");
717 }
718 free(e_sector);
719 return 2;
720 } else {
721 calibrate = false;
722 }
723
724 iterations++;
725
726 key64 = bytes_to_num(keyBlock, 6);
727 if (key64) {
728 PrintAndLog("Found valid key:%012"llx, key64);
729 e_sector[sectorNo].foundKey[trgKeyType] = 1;
730 e_sector[sectorNo].Key[trgKeyType] = key64;
731 }
732 }
733 }
734 }
735
736 printf("Time in nested: %1.3f (%1.3f sec per key)\n\n", ((float)clock() - time1)/CLOCKS_PER_SEC, ((float)clock() - time1)/iterations/CLOCKS_PER_SEC);
737
738 PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations);
739 //print them
740 PrintAndLog("|---|----------------|---|----------------|---|");
741 PrintAndLog("|sec|key A |res|key B |res|");
742 PrintAndLog("|---|----------------|---|----------------|---|");
743 for (i = 0; i < SectorsCnt; i++) {
744 PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i,
745 e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
746 }
747 PrintAndLog("|---|----------------|---|----------------|---|");
748
749 // transfer them to the emulator
750 if (transferToEml) {
751 for (i = 0; i < SectorsCnt; i++) {
752 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
753 if (e_sector[i].foundKey[0])
754 num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
755 if (e_sector[i].foundKey[1])
756 num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
757 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
758 }
759 }
760
761 // Create dump file
762 if (createDumpFile) {
763 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
764 PrintAndLog("Could not create file dumpkeys.bin");
765 free(e_sector);
766 return 1;
767 }
768 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
769 for(i=0; i<SectorsCnt; i++) {
770 if (e_sector[i].foundKey[0]){
771 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
772 fwrite ( tempkey, 1, 6, fkeys );
773 }
774 else{
775 fwrite ( &standart, 1, 6, fkeys );
776 }
777 }
778 for(i=0; i<SectorsCnt; i++) {
779 if (e_sector[i].foundKey[1]){
780 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
781 fwrite ( tempkey, 1, 6, fkeys );
782 }
783 else{
784 fwrite ( &standart, 1, 6, fkeys );
785 }
786 }
787 fclose(fkeys);
788 }
789
790 free(e_sector);
791 }
792 return 0;
793 }
794
795 int CmdHF14AMfNestedHard(const char *Cmd)
796 {
797 uint8_t blockNo = 0;
798 uint8_t keyType = 0;
799 uint8_t trgBlockNo = 0;
800 uint8_t trgKeyType = 0;
801 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
802
803 char ctmp;
804 ctmp = param_getchar(Cmd, 0);
805 if (ctmp != 'R' && ctmp != 'r' && strlen(Cmd) < 20) {
806 PrintAndLog("Usage:");
807 PrintAndLog(" hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");
808 PrintAndLog(" <target block number> <target key A|B> [w] [s]");
809 PrintAndLog(" or hf mf hardnested r");
810 PrintAndLog(" ");
811 PrintAndLog("Options: ");
812 PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin");
813 PrintAndLog(" s: Slower acquisition (required by some non standard cards)");
814 PrintAndLog(" r: Read nonces.bin and start attack");
815 PrintAndLog(" ");
816 PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
817 PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
818 PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");
819 PrintAndLog(" sample4: hf mf hardnested r");
820
821 return 0;
822 }
823
824 bool nonce_file_read = false;
825 bool nonce_file_write = false;
826 bool slow = false;
827
828 if (ctmp == 'R' || ctmp == 'r') {
829
830 nonce_file_read = true;
831
832 } else {
833
834 blockNo = param_get8(Cmd, 0);
835 ctmp = param_getchar(Cmd, 1);
836 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
837 PrintAndLog("Key type must be A or B");
838 return 1;
839 }
840 if (ctmp != 'A' && ctmp != 'a') {
841 keyType = 1;
842 }
843
844 if (param_gethex(Cmd, 2, key, 12)) {
845 PrintAndLog("Key must include 12 HEX symbols");
846 return 1;
847 }
848
849 trgBlockNo = param_get8(Cmd, 3);
850 ctmp = param_getchar(Cmd, 4);
851 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
852 PrintAndLog("Target key type must be A or B");
853 return 1;
854 }
855 if (ctmp != 'A' && ctmp != 'a') {
856 trgKeyType = 1;
857 }
858
859 uint16_t i = 5;
860 while ((ctmp = param_getchar(Cmd, i))) {
861 if (ctmp == 's' || ctmp == 'S') {
862 slow = true;
863 } else if (ctmp == 'w' || ctmp == 'W') {
864 nonce_file_write = true;
865 } else {
866 PrintAndLog("Possible options are w and/or s");
867 return 1;
868 }
869 i++;
870 }
871 }
872
873 PrintAndLog("--target block no:%3d, target key type:%c, file action: %s, Slow: %s ",
874 trgBlockNo,
875 trgKeyType?'B':'A',
876 nonce_file_write?"write":nonce_file_read?"read":"none",
877 slow?"Yes":"No");
878 int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, nonce_file_read, nonce_file_write, slow);
879 if (isOK) {
880 switch (isOK) {
881 case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
882 case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;
883 default : break;
884 }
885 return 2;
886 }
887
888 return 0;
889 }
890
891 int CmdHF14AMfChk(const char *Cmd)
892 {
893 if (strlen(Cmd)<3) {
894 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");
895 PrintAndLog(" * - all sectors");
896 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
897 PrintAndLog("d - write keys to binary file");
898 PrintAndLog("t - write keys to emulator memory\n");
899 PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic");
900 PrintAndLog(" hf mf chk *1 ? t");
901 PrintAndLog(" hf mf chk *1 ? d");
902 return 0;
903 }
904
905 FILE * f;
906 char filename[FILE_PATH_SIZE]={0};
907 char buf[13];
908 uint8_t *keyBlock = NULL, *p;
909 uint8_t stKeyBlock = 20;
910
911 int i, res;
912 int keycnt = 0;
913 char ctmp = 0x00;
914 uint8_t blockNo = 0;
915 uint8_t SectorsCnt = 1;
916 uint8_t keyType = 0;
917 uint64_t key64 = 0;
918
919 int transferToEml = 0;
920 int createDumpFile = 0;
921
922 keyBlock = calloc(stKeyBlock, 6);
923 if (keyBlock == NULL) return 1;
924
925 uint64_t defaultKeys[] =
926 {
927 0xffffffffffff, // Default key (first key used by program if no user defined key)
928 0x000000000000, // Blank key
929 0xa0a1a2a3a4a5, // NFCForum MAD key
930 0xb0b1b2b3b4b5,
931 0xaabbccddeeff,
932 0x4d3a99c351dd,
933 0x1a982c7e459a,
934 0xd3f7d3f7d3f7,
935 0x714c5c886e97,
936 0x587ee5f9350f,
937 0xa0478cc39091,
938 0x533cb6c723f6,
939 0x8fd0a4f256e9
940 };
941 int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);
942
943 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)
944 {
945 num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
946 }
947
948 if (param_getchar(Cmd, 0)=='*') {
949 blockNo = 3;
950 switch(param_getchar(Cmd+1, 0)) {
951 case '0': SectorsCnt = 5; break;
952 case '1': SectorsCnt = 16; break;
953 case '2': SectorsCnt = 32; break;
954 case '4': SectorsCnt = 40; break;
955 default: SectorsCnt = 16;
956 }
957 }
958 else
959 blockNo = param_get8(Cmd, 0);
960
961 ctmp = param_getchar(Cmd, 1);
962 switch (ctmp) {
963 case 'a': case 'A':
964 keyType = !0;
965 break;
966 case 'b': case 'B':
967 keyType = !1;
968 break;
969 case '?':
970 keyType = 2;
971 break;
972 default:
973 PrintAndLog("Key type must be A , B or ?");
974 return 1;
975 };
976
977 ctmp = param_getchar(Cmd, 2);
978 if (ctmp == 't' || ctmp == 'T') transferToEml = 1;
979 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;
980
981 for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {
982 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
983 if ( stKeyBlock - keycnt < 2) {
984 p = realloc(keyBlock, 6*(stKeyBlock+=10));
985 if (!p) {
986 PrintAndLog("Cannot allocate memory for Keys");
987 free(keyBlock);
988 return 2;
989 }
990 keyBlock = p;
991 }
992 PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
993 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
994 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
995 keycnt++;
996 } else {
997 // May be a dic file
998 if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {
999 PrintAndLog("File name too long");
1000 free(keyBlock);
1001 return 2;
1002 }
1003
1004 if ( (f = fopen( filename , "r")) ) {
1005 while( fgets(buf, sizeof(buf), f) ){
1006 if (strlen(buf) < 12 || buf[11] == '\n')
1007 continue;
1008
1009 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1010
1011 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
1012
1013 if (!isxdigit(buf[0])){
1014 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
1015 continue;
1016 }
1017
1018 buf[12] = 0;
1019
1020 if ( stKeyBlock - keycnt < 2) {
1021 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1022 if (!p) {
1023 PrintAndLog("Cannot allocate memory for defKeys");
1024 free(keyBlock);
1025 return 2;
1026 }
1027 keyBlock = p;
1028 }
1029 memset(keyBlock + 6 * keycnt, 0, 6);
1030 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
1031 PrintAndLog("chk custom key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
1032 keycnt++;
1033 memset(buf, 0, sizeof(buf));
1034 }
1035 fclose(f);
1036 } else {
1037 PrintAndLog("File: %s: not found or locked.", filename);
1038 free(keyBlock);
1039 return 1;
1040
1041 }
1042 }
1043 }
1044
1045 if (keycnt == 0) {
1046 PrintAndLog("No key specified, trying default keys");
1047 for (;keycnt < defaultKeysSize; keycnt++)
1048 PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1049 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1050 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1051 }
1052
1053 // initialize storage for found keys
1054 bool validKey[2][40];
1055 uint8_t foundKey[2][40][6];
1056 for (uint16_t t = 0; t < 2; t++) {
1057 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1058 validKey[t][sectorNo] = false;
1059 for (uint16_t i = 0; i < 6; i++) {
1060 foundKey[t][sectorNo][i] = 0xff;
1061 }
1062 }
1063 }
1064
1065 for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) {
1066 int b=blockNo;
1067 for (int i = 0; i < SectorsCnt; ++i) {
1068 PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt);
1069 uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt;
1070 for (uint32_t c = 0; c < keycnt; c+=max_keys) {
1071 uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c;
1072 res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);
1073 if (res != 1) {
1074 if (!res) {
1075 PrintAndLog("Found valid key:[%012"llx"]",key64);
1076 num_to_bytes(key64, 6, foundKey[t][i]);
1077 validKey[t][i] = true;
1078 }
1079 } else {
1080 PrintAndLog("Command execute timeout");
1081 }
1082 }
1083 b<127?(b+=4):(b+=16);
1084 }
1085 }
1086
1087 if (transferToEml) {
1088 uint8_t block[16];
1089 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1090 if (validKey[0][sectorNo] || validKey[1][sectorNo]) {
1091 mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1092 for (uint16_t t = 0; t < 2; t++) {
1093 if (validKey[t][sectorNo]) {
1094 memcpy(block + t*10, foundKey[t][sectorNo], 6);
1095 }
1096 }
1097 mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1098 }
1099 }
1100 PrintAndLog("Found keys have been transferred to the emulator memory");
1101 }
1102
1103 if (createDumpFile) {
1104 FILE *fkeys = fopen("dumpkeys.bin","wb");
1105 if (fkeys == NULL) {
1106 PrintAndLog("Could not create file dumpkeys.bin");
1107 free(keyBlock);
1108 return 1;
1109 }
1110 for (uint16_t t = 0; t < 2; t++) {
1111 fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys);
1112 }
1113 fclose(fkeys);
1114 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1115 }
1116
1117 free(keyBlock);
1118 PrintAndLog("");
1119 return 0;
1120 }
1121
1122 int CmdHF14AMf1kSim(const char *Cmd)
1123 {
1124 uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};
1125 uint8_t exitAfterNReads = 0;
1126 uint8_t flags = 0;
1127
1128 uint8_t cmdp = param_getchar(Cmd, 0);
1129
1130 if (cmdp == 'h' || cmdp == 'H') {
1131 PrintAndLog("Usage: hf mf sim u <uid (8 hex symbols)> n <numreads> i x");
1132 PrintAndLog(" h this help");
1133 PrintAndLog(" u (Optional) UID. If not specified, the UID from emulator memory will be used");
1134 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1135 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1136 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1137 PrintAndLog("");
1138 PrintAndLog(" sample: hf mf sim u 0a0a0a0a ");
1139 return 0;
1140 }
1141 uint8_t pnr = 0;
1142 if (param_getchar(Cmd, pnr) == 'u') {
1143 if(param_gethex(Cmd, pnr+1, uid, 8) == 0)
1144 {
1145 flags |= FLAG_4B_UID_IN_DATA; // UID from packet
1146 } else if(param_gethex(Cmd,pnr+1,uid,14) == 0) {
1147 flags |= FLAG_7B_UID_IN_DATA;// UID from packet
1148 } else {
1149 PrintAndLog("UID, if specified, must include 8 or 14 HEX symbols");
1150 return 1;
1151 }
1152 pnr +=2;
1153 }
1154 if (param_getchar(Cmd, pnr) == 'n') {
1155 exitAfterNReads = param_get8(Cmd,pnr+1);
1156 pnr += 2;
1157 }
1158 if (param_getchar(Cmd, pnr) == 'i' ) {
1159 //Using a flag to signal interactiveness, least significant bit
1160 flags |= FLAG_INTERACTIVE;
1161 pnr++;
1162 }
1163
1164 if (param_getchar(Cmd, pnr) == 'x' ) {
1165 //Using a flag to signal interactiveness, least significant bit
1166 flags |= FLAG_NR_AR_ATTACK;
1167 }
1168 PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) ",
1169 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1170 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): "N/A"
1171 , exitAfterNReads, flags,flags);
1172
1173
1174 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1175 memcpy(c.d.asBytes, uid, sizeof(uid));
1176 clearCommandBuffer();
1177 SendCommand(&c);
1178
1179 if(flags & FLAG_INTERACTIVE)
1180 {
1181 PrintAndLog("Press pm3-button to abort simulation");
1182
1183 uint8_t data[40];
1184 uint8_t key[6];
1185
1186 UsbCommand resp;
1187 while(!ukbhit() ){
1188 if ( WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1189 if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
1190 memset(data, 0x00, sizeof(data));
1191 memset(key, 0x00, sizeof(key));
1192 int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
1193
1194 memcpy(data, resp.d.asBytes, len);
1195
1196 uint64_t corr_uid = 0;
1197 if ( memcmp(data, "\x00\x00\x00\x00", 4) == 0 ) {
1198 corr_uid = (data[3] << 24) | (data[2] << 16) | (data[1] << 8) | data[0];
1199 }
1200 else {
1201 corr_uid |= (uint64_t)data[2] << 48;
1202 corr_uid |= (uint64_t)data[1] << 40;
1203 corr_uid |= (uint64_t)data[0] << 32;
1204 corr_uid |= data[7] << 24;
1205 corr_uid |= data[6] << 16;
1206 corr_uid |= data[5] << 8;
1207 corr_uid |= data[4];
1208 }
1209 tryMfk32(corr_uid, data, key);
1210 //tryMfk64(corr_uid, data, key);
1211 PrintAndLog("--");
1212 }
1213 }
1214 }
1215 }
1216 return 0;
1217 }
1218
1219 int CmdHF14AMfDbg(const char *Cmd)
1220 {
1221 int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1222 if (dbgMode > 4) {
1223 PrintAndLog("Max debug mode parameter is 4 \n");
1224 }
1225
1226 if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1227 PrintAndLog("Usage: hf mf dbg <debug level>");
1228 PrintAndLog(" 0 - no debug messages");
1229 PrintAndLog(" 1 - error messages");
1230 PrintAndLog(" 2 - plus information messages");
1231 PrintAndLog(" 3 - plus debug messages");
1232 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1233 PrintAndLog(" Note: this option therefore may cause malfunction itself");
1234 return 0;
1235 }
1236
1237 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1238 SendCommand(&c);
1239
1240 return 0;
1241 }
1242
1243 int CmdHF14AMfEGet(const char *Cmd)
1244 {
1245 uint8_t blockNo = 0;
1246 uint8_t data[16] = {0x00};
1247
1248 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1249 PrintAndLog("Usage: hf mf eget <block number>");
1250 PrintAndLog(" sample: hf mf eget 0 ");
1251 return 0;
1252 }
1253
1254 blockNo = param_get8(Cmd, 0);
1255
1256 PrintAndLog(" ");
1257 if (!mfEmlGetMem(data, blockNo, 1)) {
1258 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1259 } else {
1260 PrintAndLog("Command execute timeout");
1261 }
1262
1263 return 0;
1264 }
1265
1266 int CmdHF14AMfEClear(const char *Cmd)
1267 {
1268 if (param_getchar(Cmd, 0) == 'h') {
1269 PrintAndLog("Usage: hf mf eclr");
1270 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1271 return 0;
1272 }
1273
1274 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1275 SendCommand(&c);
1276 return 0;
1277 }
1278
1279 int CmdHF14AMfESet(const char *Cmd)
1280 {
1281 uint8_t memBlock[16];
1282 uint8_t blockNo = 0;
1283
1284 memset(memBlock, 0x00, sizeof(memBlock));
1285
1286 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1287 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1288 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1289 return 0;
1290 }
1291
1292 blockNo = param_get8(Cmd, 0);
1293
1294 if (param_gethex(Cmd, 1, memBlock, 32)) {
1295 PrintAndLog("block data must include 32 HEX symbols");
1296 return 1;
1297 }
1298
1299 // 1 - blocks count
1300 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};
1301 memcpy(c.d.asBytes, memBlock, 16);
1302 SendCommand(&c);
1303 return 0;
1304 }
1305
1306 int CmdHF14AMfELoad(const char *Cmd)
1307 {
1308 FILE * f;
1309 char filename[FILE_PATH_SIZE];
1310 char *fnameptr = filename;
1311 char buf[64] = {0x00};
1312 uint8_t buf8[64] = {0x00};
1313 int i, len, blockNum, numBlocks;
1314 int nameParamNo = 1;
1315 uint8_t blockWidth = 32;
1316 char ctmp = param_getchar(Cmd, 0);
1317
1318 if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1319 PrintAndLog("It loads emul dump from the file `filename.eml`");
1320 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`>");
1321 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL");
1322 PrintAndLog("");
1323 PrintAndLog(" sample: hf mf eload filename");
1324 PrintAndLog(" hf mf eload 4 filename");
1325 return 0;
1326 }
1327
1328 switch (ctmp) {
1329 case '0' : numBlocks = 5*4; break;
1330 case '1' :
1331 case '\0': numBlocks = 16*4; break;
1332 case '2' : numBlocks = 32*4; break;
1333 case '4' : numBlocks = 256; break;
1334 case 'U' : // fall through , NTAG 215 has 135blocks a 540 bytes.
1335 case 'u' : numBlocks = 135; blockWidth = 8; break;
1336 default: {
1337 numBlocks = 16*4;
1338 nameParamNo = 0;
1339 }
1340 }
1341
1342 len = param_getstr(Cmd,nameParamNo,filename);
1343
1344 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1345
1346 fnameptr += len;
1347
1348 sprintf(fnameptr, ".eml");
1349
1350 // open file
1351 f = fopen(filename, "r");
1352 if (f == NULL) {
1353 PrintAndLog("File %s not found or locked", filename);
1354 return 1;
1355 }
1356
1357 blockNum = 0;
1358 while(!feof(f)){
1359 memset(buf, 0, sizeof(buf));
1360
1361 if (fgets(buf, sizeof(buf), f) == NULL) {
1362
1363 if (blockNum >= numBlocks) break;
1364
1365 PrintAndLog("File reading error.");
1366 fclose(f);
1367 return 2;
1368 }
1369
1370 if (strlen(buf) < blockWidth){
1371 if(strlen(buf) && feof(f))
1372 break;
1373 PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth);
1374 fclose(f);
1375 return 2;
1376 }
1377
1378 for (i = 0; i < blockWidth; i += 2) {
1379 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1380 }
1381 if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) {
1382 PrintAndLog("Cant set emul block: %3d", blockNum);
1383 fclose(f);
1384 return 3;
1385 }
1386 printf(".");
1387 blockNum++;
1388
1389 if (blockNum >= numBlocks) break;
1390 }
1391 fclose(f);
1392 printf("\n");
1393
1394 if ((blockNum != numBlocks)) {
1395 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1396 return 4;
1397 }
1398 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1399 return 0;
1400 }
1401
1402 int CmdHF14AMfESave(const char *Cmd)
1403 {
1404 FILE * f;
1405 char filename[FILE_PATH_SIZE];
1406 char * fnameptr = filename;
1407 uint8_t buf[64];
1408 int i, j, len, numBlocks;
1409 int nameParamNo = 1;
1410
1411 memset(filename, 0, sizeof(filename));
1412 memset(buf, 0, sizeof(buf));
1413
1414 char ctmp = param_getchar(Cmd, 0);
1415
1416 if ( ctmp == 'h' || ctmp == 'H') {
1417 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1418 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1419 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1420 PrintAndLog("");
1421 PrintAndLog(" sample: hf mf esave ");
1422 PrintAndLog(" hf mf esave 4");
1423 PrintAndLog(" hf mf esave 4 filename");
1424 return 0;
1425 }
1426
1427 switch (ctmp) {
1428 case '0' : numBlocks = 5*4; break;
1429 case '1' :
1430 case '\0': numBlocks = 16*4; break;
1431 case '2' : numBlocks = 32*4; break;
1432 case '4' : numBlocks = 256; break;
1433 default: {
1434 numBlocks = 16*4;
1435 nameParamNo = 0;
1436 }
1437 }
1438
1439 len = param_getstr(Cmd,nameParamNo,filename);
1440
1441 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1442
1443 // user supplied filename?
1444 if (len < 1) {
1445 // get filename (UID from memory)
1446 if (mfEmlGetMem(buf, 0, 1)) {
1447 PrintAndLog("Can\'t get UID from block: %d", 0);
1448 len = sprintf(fnameptr, "dump");
1449 fnameptr += len;
1450 }
1451 else {
1452 for (j = 0; j < 7; j++, fnameptr += 2)
1453 sprintf(fnameptr, "%02X", buf[j]);
1454 }
1455 } else {
1456 fnameptr += len;
1457 }
1458
1459 // add file extension
1460 sprintf(fnameptr, ".eml");
1461
1462 // open file
1463 f = fopen(filename, "w+");
1464
1465 if ( !f ) {
1466 PrintAndLog("Can't open file %s ", filename);
1467 return 1;
1468 }
1469
1470 // put hex
1471 for (i = 0; i < numBlocks; i++) {
1472 if (mfEmlGetMem(buf, i, 1)) {
1473 PrintAndLog("Cant get block: %d", i);
1474 break;
1475 }
1476 for (j = 0; j < 16; j++)
1477 fprintf(f, "%02X", buf[j]);
1478 fprintf(f,"\n");
1479 }
1480 fclose(f);
1481
1482 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1483
1484 return 0;
1485 }
1486
1487 int CmdHF14AMfECFill(const char *Cmd)
1488 {
1489 uint8_t keyType = 0;
1490 uint8_t numSectors = 16;
1491
1492 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1493 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
1494 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1495 PrintAndLog("");
1496 PrintAndLog("samples: hf mf ecfill A");
1497 PrintAndLog(" hf mf ecfill A 4");
1498 PrintAndLog("Read card and transfer its data to emulator memory.");
1499 PrintAndLog("Keys must be laid in the emulator memory. \n");
1500 return 0;
1501 }
1502
1503 char ctmp = param_getchar(Cmd, 0);
1504 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1505 PrintAndLog("Key type must be A or B");
1506 return 1;
1507 }
1508 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1509
1510 ctmp = param_getchar(Cmd, 1);
1511 switch (ctmp) {
1512 case '0' : numSectors = 5; break;
1513 case '1' :
1514 case '\0': numSectors = 16; break;
1515 case '2' : numSectors = 32; break;
1516 case '4' : numSectors = 40; break;
1517 default: numSectors = 16;
1518 }
1519
1520 printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);
1521 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1522 SendCommand(&c);
1523 return 0;
1524 }
1525
1526 int CmdHF14AMfEKeyPrn(const char *Cmd)
1527 {
1528 int i;
1529 uint8_t numSectors;
1530 uint8_t data[16];
1531 uint64_t keyA, keyB;
1532
1533 char cmdp = param_getchar(Cmd, 0);
1534
1535 if ( cmdp == 'h' || cmdp == 'H' ) {
1536 PrintAndLog("It prints the keys loaded in the emulator memory");
1537 PrintAndLog("Usage: hf mf ekeyprn [card memory]");
1538 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1539 PrintAndLog("");
1540 PrintAndLog(" sample: hf mf ekeyprn 1");
1541 return 0;
1542 }
1543
1544 switch (cmdp) {
1545 case '0' : numSectors = 5; break;
1546 case '1' :
1547 case '\0': numSectors = 16; break;
1548 case '2' : numSectors = 32; break;
1549 case '4' : numSectors = 40; break;
1550 default: numSectors = 16;
1551 }
1552
1553 PrintAndLog("|---|----------------|----------------|");
1554 PrintAndLog("|sec|key A |key B |");
1555 PrintAndLog("|---|----------------|----------------|");
1556 for (i = 0; i < numSectors; i++) {
1557 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
1558 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1559 break;
1560 }
1561 keyA = bytes_to_num(data, 6);
1562 keyB = bytes_to_num(data + 10, 6);
1563 PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB);
1564 }
1565 PrintAndLog("|---|----------------|----------------|");
1566
1567 return 0;
1568 }
1569
1570 int CmdHF14AMfCSetUID(const char *Cmd)
1571 {
1572 uint8_t wipeCard = 0;
1573 uint8_t uid[8] = {0x00};
1574 uint8_t oldUid[8] = {0x00};
1575 uint8_t atqa[2] = {0x00};
1576 uint8_t sak[1] = {0x00};
1577 uint8_t atqaPresent = 1;
1578 int res;
1579 char ctmp;
1580 int argi=0;
1581
1582 if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') {
1583 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols] [w]");
1584 PrintAndLog("sample: hf mf csetuid 01020304");
1585 PrintAndLog("sample: hf mf csetuid 01020304 0004 08 w");
1586 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
1587 PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line.");
1588 return 0;
1589 }
1590
1591 if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) {
1592 PrintAndLog("UID must include 8 HEX symbols");
1593 return 1;
1594 }
1595 argi++;
1596
1597 ctmp = param_getchar(Cmd, argi);
1598 if (ctmp == 'w' || ctmp == 'W') {
1599 wipeCard = 1;
1600 atqaPresent = 0;
1601 }
1602
1603 if (atqaPresent) {
1604 if (param_getchar(Cmd, argi)) {
1605 if (param_gethex(Cmd, argi, atqa, 4)) {
1606 PrintAndLog("ATQA must include 4 HEX symbols");
1607 return 1;
1608 }
1609 argi++;
1610 if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) {
1611 PrintAndLog("SAK must include 2 HEX symbols");
1612 return 1;
1613 }
1614 argi++;
1615 } else
1616 atqaPresent = 0;
1617 }
1618
1619 if(!wipeCard) {
1620 ctmp = param_getchar(Cmd, argi);
1621 if (ctmp == 'w' || ctmp == 'W') {
1622 wipeCard = 1;
1623 }
1624 }
1625
1626 PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4));
1627
1628 res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid, wipeCard);
1629 if (res) {
1630 PrintAndLog("Can't set UID. error=%d", res);
1631 return 1;
1632 }
1633
1634 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
1635 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
1636 return 0;
1637 }
1638
1639 int CmdHF14AMfCSetBlk(const char *Cmd)
1640 {
1641 uint8_t block[16] = {0x00};
1642 uint8_t blockNo = 0;
1643 uint8_t params = MAGIC_SINGLE;
1644 int res;
1645
1646 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1647 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
1648 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
1649 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
1650 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
1651 return 0;
1652 }
1653
1654 blockNo = param_get8(Cmd, 0);
1655
1656 if (param_gethex(Cmd, 1, block, 32)) {
1657 PrintAndLog("block data must include 32 HEX symbols");
1658 return 1;
1659 }
1660
1661 char ctmp = param_getchar(Cmd, 2);
1662 if (ctmp == 'w' || ctmp == 'W')
1663 params |= MAGIC_WIPE;
1664
1665 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(block, 16));
1666
1667 res = mfCSetBlock(blockNo, block, NULL, params);
1668 if (res) {
1669 PrintAndLog("Can't write block. error=%d", res);
1670 return 1;
1671 }
1672 return 0;
1673 }
1674
1675 int CmdHF14AMfCLoad(const char *Cmd)
1676 {
1677 FILE * f;
1678 char filename[FILE_PATH_SIZE];
1679 char * fnameptr = filename;
1680 char buf[64] = {0x00};
1681 uint8_t buf8[64] = {0x00};
1682 uint8_t fillFromEmulator = 0;
1683 int i, len, blockNum, flags=0;
1684
1685 memset(filename, 0, sizeof(filename));
1686
1687 char ctmp = param_getchar(Cmd, 0);
1688
1689 if (ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1690 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
1691 PrintAndLog("or from emulator memory (option `e`)");
1692 PrintAndLog("Usage: hf mf cload <file name w/o `.eml`>");
1693 PrintAndLog(" or: hf mf cload e ");
1694 PrintAndLog(" sample: hf mf cload filename");
1695 return 0;
1696 }
1697
1698 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1699
1700 if (fillFromEmulator) {
1701 for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {
1702 if (mfEmlGetMem(buf8, blockNum, 1)) {
1703 PrintAndLog("Cant get block: %d", blockNum);
1704 return 2;
1705 }
1706 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1707 if (blockNum == 1) flags = 0; // just write
1708 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Magic Halt and switch off field.
1709
1710 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1711 PrintAndLog("Cant set magic card block: %d", blockNum);
1712 return 3;
1713 }
1714 }
1715 return 0;
1716 } else {
1717 len = strlen(Cmd);
1718 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1719
1720 memcpy(filename, Cmd, len);
1721 fnameptr += len;
1722
1723 sprintf(fnameptr, ".eml");
1724
1725 // open file
1726 f = fopen(filename, "r");
1727 if (f == NULL) {
1728 PrintAndLog("File not found or locked.");
1729 return 1;
1730 }
1731
1732 blockNum = 0;
1733 while(!feof(f)){
1734
1735 memset(buf, 0, sizeof(buf));
1736
1737 if (fgets(buf, sizeof(buf), f) == NULL) {
1738 fclose(f);
1739 PrintAndLog("File reading error.");
1740 return 2;
1741 }
1742
1743 if (strlen(buf) < 32) {
1744 if(strlen(buf) && feof(f))
1745 break;
1746 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1747 fclose(f);
1748 return 2;
1749 }
1750 for (i = 0; i < 32; i += 2)
1751 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1752
1753 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1754 if (blockNum == 1) flags = 0; // just write
1755 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Switch off field.
1756
1757 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1758 PrintAndLog("Can't set magic card block: %d", blockNum);
1759 return 3;
1760 }
1761 blockNum++;
1762
1763 if (blockNum >= 16 * 4) break; // magic card type - mifare 1K
1764 }
1765 fclose(f);
1766
1767 // 64 or 256blocks.
1768 if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
1769 PrintAndLog("File content error. There must be 64 blocks");
1770 return 4;
1771 }
1772 PrintAndLog("Loaded from file: %s", filename);
1773 return 0;
1774 }
1775 return 0;
1776 }
1777
1778 int CmdHF14AMfCGetBlk(const char *Cmd) {
1779 uint8_t data[16];
1780 uint8_t blockNo = 0;
1781 int res;
1782 memset(data, 0x00, sizeof(data));
1783 char ctmp = param_getchar(Cmd, 0);
1784
1785 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
1786 PrintAndLog("Usage: hf mf cgetblk <block number>");
1787 PrintAndLog("sample: hf mf cgetblk 1");
1788 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
1789 return 0;
1790 }
1791
1792 blockNo = param_get8(Cmd, 0);
1793
1794 PrintAndLog("--block number:%2d ", blockNo);
1795
1796 res = mfCGetBlock(blockNo, data, MAGIC_SINGLE);
1797 if (res) {
1798 PrintAndLog("Can't read block. error=%d", res);
1799 return 1;
1800 }
1801
1802 PrintAndLog("data:%s", sprint_hex(data, sizeof(data)));
1803 return 0;
1804 }
1805
1806 int CmdHF14AMfCGetSc(const char *Cmd) {
1807 uint8_t data[16];
1808 uint8_t sectorNo = 0;
1809 int i, res, flags;
1810 memset(data, 0x00, sizeof(data));
1811 char ctmp = param_getchar(Cmd, 0);
1812
1813 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
1814 PrintAndLog("Usage: hf mf cgetsc <sector number>");
1815 PrintAndLog("sample: hf mf cgetsc 0");
1816 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
1817 return 0;
1818 }
1819
1820 sectorNo = param_get8(Cmd, 0);
1821 if (sectorNo > 15) {
1822 PrintAndLog("Sector number must be in [0..15] as in MIFARE classic.");
1823 return 1;
1824 }
1825
1826 PrintAndLog("--sector number:%d ", sectorNo);
1827 PrintAndLog("block | data");
1828
1829 flags = MAGIC_INIT + MAGIC_WUPC;
1830 for (i = 0; i < 4; i++) {
1831 if (i == 1) flags = 0;
1832 if (i == 3) flags = MAGIC_HALT + MAGIC_OFF;
1833
1834 res = mfCGetBlock(sectorNo * 4 + i, data, flags);
1835 if (res) {
1836 PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res);
1837 return 1;
1838 }
1839 PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data)));
1840 }
1841 return 0;
1842 }
1843
1844 int CmdHF14AMfCSave(const char *Cmd) {
1845
1846 FILE * f;
1847 char filename[FILE_PATH_SIZE];
1848 char * fnameptr = filename;
1849 uint8_t fillFromEmulator = 0;
1850 uint8_t buf[64];
1851 int i, j, len, flags;
1852
1853 memset(filename, 0, sizeof(filename));
1854 memset(buf, 0, sizeof(buf));
1855 char ctmp = param_getchar(Cmd, 0);
1856
1857 if ( ctmp == 'h' || ctmp == 'H' ) {
1858 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
1859 PrintAndLog("or into emulator memory (option `e`)");
1860 PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]");
1861 PrintAndLog(" sample: hf mf esave ");
1862 PrintAndLog(" hf mf esave filename");
1863 PrintAndLog(" hf mf esave e \n");
1864 return 0;
1865 }
1866 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1867
1868 if (fillFromEmulator) {
1869 // put into emulator
1870 flags = MAGIC_INIT + MAGIC_WUPC;
1871 for (i = 0; i < 16 * 4; i++) {
1872 if (i == 1) flags = 0;
1873 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
1874
1875 if (mfCGetBlock(i, buf, flags)) {
1876 PrintAndLog("Cant get block: %d", i);
1877 break;
1878 }
1879
1880 if (mfEmlSetMem(buf, i, 1)) {
1881 PrintAndLog("Cant set emul block: %d", i);
1882 return 3;
1883 }
1884 }
1885 return 0;
1886 } else {
1887 len = strlen(Cmd);
1888 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1889
1890 // get filename based on UID
1891 if (len < 1) {
1892
1893 if (mfCGetBlock(0, buf, MAGIC_SINGLE)) {
1894 PrintAndLog("Cant get block: %d", 0);
1895 len = sprintf(fnameptr, "dump");
1896 fnameptr += len;
1897 } else {
1898 for (j = 0; j < 7; j++, fnameptr += 2)
1899 sprintf(fnameptr, "%02x", buf[j]);
1900 }
1901 } else {
1902 memcpy(filename, Cmd, len);
1903 fnameptr += len;
1904 }
1905
1906 // add .eml extension
1907 sprintf(fnameptr, ".eml");
1908
1909 // open file
1910 f = fopen(filename, "w+");
1911
1912 if (f == NULL) {
1913 PrintAndLog("File not found or locked.");
1914 return 1;
1915 }
1916
1917 // put hex
1918 flags = MAGIC_INIT + MAGIC_WUPC;
1919 for (i = 0; i < 16 * 4; i++) {
1920 if (i == 1) flags = 0;
1921 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
1922
1923 if (mfCGetBlock(i, buf, flags)) {
1924 PrintAndLog("Cant get block: %d", i);
1925 break;
1926 }
1927 for (j = 0; j < 16; j++)
1928 fprintf(f, "%02x", buf[j]);
1929 fprintf(f,"\n");
1930 }
1931 fflush(f);
1932 fclose(f);
1933 PrintAndLog("Saved to file: %s", filename);
1934 return 0;
1935 }
1936 }
1937
1938 int CmdHF14AMfSniff(const char *Cmd){
1939
1940 bool wantLogToFile = 0;
1941 bool wantDecrypt = 0;
1942 //bool wantSaveToEml = 0; TODO
1943 bool wantSaveToEmlFile = 0;
1944
1945 //var
1946 int res = 0;
1947 int len = 0;
1948 int blockLen = 0;
1949 int pckNum = 0;
1950 int num = 0;
1951 uint8_t uid[7];
1952 uint8_t uid_len;
1953 uint8_t atqa[2] = {0x00};
1954 uint8_t sak;
1955 bool isTag;
1956 uint8_t *buf = NULL;
1957 uint16_t bufsize = 0;
1958 uint8_t *bufPtr = NULL;
1959
1960 char ctmp = param_getchar(Cmd, 0);
1961 if ( ctmp == 'h' || ctmp == 'H' ) {
1962 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
1963 PrintAndLog("You can specify:");
1964 PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");
1965 PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");
1966 PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
1967 PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
1968 PrintAndLog("Usage: hf mf sniff [l][d][e][f]");
1969 PrintAndLog(" sample: hf mf sniff l d e");
1970 return 0;
1971 }
1972
1973 for (int i = 0; i < 4; i++) {
1974 ctmp = param_getchar(Cmd, i);
1975 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
1976 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
1977 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
1978 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
1979 }
1980
1981 printf("-------------------------------------------------------------------------\n");
1982 printf("Executing command. \n");
1983 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
1984 printf("Press the key on pc keyboard to abort the client.\n");
1985 printf("-------------------------------------------------------------------------\n");
1986
1987 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
1988 clearCommandBuffer();
1989 SendCommand(&c);
1990
1991 // wait cycle
1992 while (true) {
1993 printf(".");
1994 fflush(stdout);
1995 if (ukbhit()) {
1996 getchar();
1997 printf("\naborted via keyboard!\n");
1998 break;
1999 }
2000
2001 UsbCommand resp;
2002 if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {
2003 res = resp.arg[0] & 0xff;
2004 uint16_t traceLen = resp.arg[1];
2005 len = resp.arg[2];
2006
2007 if (res == 0) return 0; // we are done
2008
2009 if (res == 1) { // there is (more) data to be transferred
2010 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
2011 if (traceLen > bufsize) {
2012 uint8_t *p;
2013 if (buf == NULL) { // not yet allocated
2014 p = malloc(traceLen);
2015 } else { // need more memory
2016 p = realloc(buf, traceLen);
2017 }
2018 if (p == NULL) {
2019 PrintAndLog("Cannot allocate memory for trace");
2020 free(buf);
2021 return 2;
2022 }
2023 buf = p;
2024 }
2025 bufPtr = buf;
2026 bufsize = traceLen;
2027 memset(buf, 0x00, traceLen);
2028 }
2029 memcpy(bufPtr, resp.d.asBytes, len);
2030 bufPtr += len;
2031 pckNum++;
2032 }
2033
2034 if (res == 2) { // received all data, start displaying
2035 blockLen = bufPtr - buf;
2036 bufPtr = buf;
2037 printf(">\n");
2038 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
2039 while (bufPtr - buf < blockLen) {
2040 bufPtr += 6; // skip (void) timing information
2041 len = *((uint16_t *)bufPtr);
2042 if(len & 0x8000) {
2043 isTag = true;
2044 len &= 0x7fff;
2045 } else {
2046 isTag = false;
2047 }
2048 bufPtr += 2;
2049 if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
2050 memcpy(uid, bufPtr + 2, 7);
2051 memcpy(atqa, bufPtr + 2 + 7, 2);
2052 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
2053 sak = bufPtr[11];
2054 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
2055 sprint_hex(uid + (7 - uid_len), uid_len),
2056 atqa[1],
2057 atqa[0],
2058 sak);
2059 if (wantLogToFile || wantDecrypt) {
2060 FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
2061 AddLogCurrentDT(logHexFileName);
2062 }
2063 if (wantDecrypt)
2064 mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
2065 } else {
2066 PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
2067 if (wantLogToFile)
2068 AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
2069 if (wantDecrypt)
2070 mfTraceDecode(bufPtr, len, wantSaveToEmlFile);
2071 num++;
2072 }
2073 bufPtr += len;
2074 bufPtr += ((len-1)/8+1); // ignore parity
2075 }
2076 pckNum = 0;
2077 }
2078 } // resp not NULL
2079 } // while (true)
2080
2081 free(buf);
2082 return 0;
2083 }
2084
2085 //needs nt, ar, at, Data to decrypt
2086 int CmdHf14MfDecryptBytes(const char *Cmd){
2087 uint8_t data[50];
2088
2089 uint32_t nt = param_get32ex(Cmd,0,0,16);
2090 uint32_t ar_enc = param_get32ex(Cmd,1,0,16);
2091 uint32_t at_enc = param_get32ex(Cmd,2,0,16);
2092
2093 int len = 0;
2094 param_gethex_ex(Cmd, 3, data, &len);
2095
2096 len /= 2;
2097 int limit = sizeof(data) / 2;
2098
2099 if ( len >= limit )
2100 len = limit;
2101
2102 return tryDecryptWord( nt, ar_enc, at_enc, data, len);
2103 }
2104
2105 static command_t CommandTable[] =
2106 {
2107 {"help", CmdHelp, 1, "This help"},
2108 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
2109 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
2110 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
2111 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
2112 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
2113 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
2114 {"chk", CmdHF14AMfChk, 0, "Test block keys"},
2115 {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},
2116 {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
2117 {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},
2118 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
2119 {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},
2120 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},
2121 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
2122 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
2123 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
2124 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
2125 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
2126 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
2127 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
2128 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
2129 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
2130 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
2131 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
2132 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
2133 {"decrypt", CmdHf14MfDecryptBytes, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2134 {NULL, NULL, 0, NULL}
2135 };
2136
2137 int CmdHFMF(const char *Cmd)
2138 {
2139 // flush
2140 WaitForResponseTimeout(CMD_ACK,NULL,100);
2141 CmdsParse(CommandTable, Cmd);
2142 return 0;
2143 }
2144
2145 int CmdHelp(const char *Cmd)
2146 {
2147 CmdsHelp(CommandTable);
2148 return 0;
2149 }
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