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FIX: forgot to change a modified call from @pwpivi 's last update.
[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 uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};
803
804 char ctmp;
805 ctmp = param_getchar(Cmd, 0);
806
807 if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) {
808 PrintAndLog("Usage:");
809 PrintAndLog(" hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");
810 PrintAndLog(" <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");
811 PrintAndLog(" or hf mf hardnested r [known target key]");
812 PrintAndLog(" ");
813 PrintAndLog("Options: ");
814 PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin");
815 PrintAndLog(" s: Slower acquisition (required by some non standard cards)");
816 PrintAndLog(" r: Read nonces.bin and start attack");
817 PrintAndLog(" ");
818 PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
819 PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
820 PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");
821 PrintAndLog(" sample4: hf mf hardnested r");
822 PrintAndLog(" ");
823 PrintAndLog("Add the known target key to check if it is present in the remaining key space:");
824 PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");
825 return 0;
826 }
827
828 bool know_target_key = false;
829 bool nonce_file_read = false;
830 bool nonce_file_write = false;
831 bool slow = false;
832 int tests = 0;
833
834
835 if (ctmp == 'R' || ctmp == 'r') {
836 nonce_file_read = true;
837 if (!param_gethex(Cmd, 1, trgkey, 12)) {
838 know_target_key = true;
839 }
840 } else if (ctmp == 'T' || ctmp == 't') {
841 tests = param_get32ex(Cmd, 1, 100, 10);
842 } else {
843 blockNo = param_get8(Cmd, 0);
844 ctmp = param_getchar(Cmd, 1);
845 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
846 PrintAndLog("Key type must be A or B");
847 return 1;
848 }
849 if (ctmp != 'A' && ctmp != 'a') {
850 keyType = 1;
851 }
852
853 if (param_gethex(Cmd, 2, key, 12)) {
854 PrintAndLog("Key must include 12 HEX symbols");
855 return 1;
856 }
857
858 trgBlockNo = param_get8(Cmd, 3);
859 ctmp = param_getchar(Cmd, 4);
860 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
861 PrintAndLog("Target key type must be A or B");
862 return 1;
863 }
864 if (ctmp != 'A' && ctmp != 'a') {
865 trgKeyType = 1;
866 }
867
868 uint16_t i = 5;
869
870 if (!param_gethex(Cmd, 5, trgkey, 12)) {
871 know_target_key = true;
872 i++;
873 }
874
875 while ((ctmp = param_getchar(Cmd, i))) {
876 if (ctmp == 's' || ctmp == 'S') {
877 slow = true;
878 } else if (ctmp == 'w' || ctmp == 'W') {
879 nonce_file_write = true;
880 } else {
881 PrintAndLog("Possible options are w and/or s");
882 return 1;
883 }
884 i++;
885 }
886 }
887
888 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 ",
889 trgBlockNo,
890 trgKeyType?'B':'A',
891 trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],
892 know_target_key?"":" (not set)",
893 nonce_file_write?"write":nonce_file_read?"read":"none",
894 slow?"Yes":"No",
895 tests);
896
897 int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);
898
899 if (isOK) {
900 switch (isOK) {
901 case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
902 case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;
903 default : break;
904 }
905 return 2;
906 }
907
908 return 0;
909 }
910
911 int CmdHF14AMfChk(const char *Cmd)
912 {
913 if (strlen(Cmd)<3) {
914 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");
915 PrintAndLog(" * - all sectors");
916 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
917 PrintAndLog("d - write keys to binary file");
918 PrintAndLog("t - write keys to emulator memory\n");
919 PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic");
920 PrintAndLog(" hf mf chk *1 ? t");
921 PrintAndLog(" hf mf chk *1 ? d");
922 return 0;
923 }
924
925 FILE * f;
926 char filename[FILE_PATH_SIZE]={0};
927 char buf[13];
928 uint8_t *keyBlock = NULL, *p;
929 uint8_t stKeyBlock = 20;
930
931 int i, res;
932 int keycnt = 0;
933 char ctmp = 0x00;
934 uint8_t blockNo = 0;
935 uint8_t SectorsCnt = 1;
936 uint8_t keyType = 0;
937 uint64_t key64 = 0;
938
939 int transferToEml = 0;
940 int createDumpFile = 0;
941
942 keyBlock = calloc(stKeyBlock, 6);
943 if (keyBlock == NULL) return 1;
944
945 uint64_t defaultKeys[] =
946 {
947 0xffffffffffff, // Default key (first key used by program if no user defined key)
948 0x000000000000, // Blank key
949 0xa0a1a2a3a4a5, // NFCForum MAD key
950 0xb0b1b2b3b4b5,
951 0xaabbccddeeff,
952 0x4d3a99c351dd,
953 0x1a982c7e459a,
954 0xd3f7d3f7d3f7,
955 0x714c5c886e97,
956 0x587ee5f9350f,
957 0xa0478cc39091,
958 0x533cb6c723f6,
959 0x8fd0a4f256e9
960 };
961 int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);
962
963 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)
964 {
965 num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
966 }
967
968 if (param_getchar(Cmd, 0)=='*') {
969 blockNo = 3;
970 switch(param_getchar(Cmd+1, 0)) {
971 case '0': SectorsCnt = 5; break;
972 case '1': SectorsCnt = 16; break;
973 case '2': SectorsCnt = 32; break;
974 case '4': SectorsCnt = 40; break;
975 default: SectorsCnt = 16;
976 }
977 }
978 else
979 blockNo = param_get8(Cmd, 0);
980
981 ctmp = param_getchar(Cmd, 1);
982 switch (ctmp) {
983 case 'a': case 'A':
984 keyType = !0;
985 break;
986 case 'b': case 'B':
987 keyType = !1;
988 break;
989 case '?':
990 keyType = 2;
991 break;
992 default:
993 PrintAndLog("Key type must be A , B or ?");
994 free(keyBlock);
995 return 1;
996 };
997
998 ctmp = param_getchar(Cmd, 2);
999 if (ctmp == 't' || ctmp == 'T') transferToEml = 1;
1000 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;
1001
1002 for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {
1003 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
1004 if ( stKeyBlock - keycnt < 2) {
1005 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1006 if (!p) {
1007 PrintAndLog("Cannot allocate memory for Keys");
1008 free(keyBlock);
1009 return 2;
1010 }
1011 keyBlock = p;
1012 }
1013 PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1014 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1015 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1016 keycnt++;
1017 } else {
1018 // May be a dic file
1019 if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {
1020 PrintAndLog("File name too long");
1021 free(keyBlock);
1022 return 2;
1023 }
1024
1025 if ( (f = fopen( filename , "r")) ) {
1026 while( fgets(buf, sizeof(buf), f) ){
1027 if (strlen(buf) < 12 || buf[11] == '\n')
1028 continue;
1029
1030 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1031
1032 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
1033
1034 if (!isxdigit(buf[0])){
1035 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
1036 continue;
1037 }
1038
1039 buf[12] = 0;
1040
1041 if ( stKeyBlock - keycnt < 2) {
1042 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1043 if (!p) {
1044 PrintAndLog("Cannot allocate memory for defKeys");
1045 free(keyBlock);
1046 free(f);
1047 return 2;
1048 }
1049 keyBlock = p;
1050 }
1051 memset(keyBlock + 6 * keycnt, 0, 6);
1052 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
1053 PrintAndLog("chk custom key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
1054 keycnt++;
1055 memset(buf, 0, sizeof(buf));
1056 }
1057 fclose(f);
1058 } else {
1059 PrintAndLog("File: %s: not found or locked.", filename);
1060 free(keyBlock);
1061 return 1;
1062
1063 }
1064 }
1065 }
1066
1067 if (keycnt == 0) {
1068 PrintAndLog("No key specified, trying default keys");
1069 for (;keycnt < defaultKeysSize; keycnt++)
1070 PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1071 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1072 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1073 }
1074
1075 // initialize storage for found keys
1076 bool validKey[2][40];
1077 uint8_t foundKey[2][40][6];
1078 for (uint16_t t = 0; t < 2; t++) {
1079 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1080 validKey[t][sectorNo] = false;
1081 for (uint16_t i = 0; i < 6; i++) {
1082 foundKey[t][sectorNo][i] = 0xff;
1083 }
1084 }
1085 }
1086
1087 for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) {
1088 int b=blockNo;
1089 for (int i = 0; i < SectorsCnt; ++i) {
1090 PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt);
1091 uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt;
1092 for (uint32_t c = 0; c < keycnt; c+=max_keys) {
1093 uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c;
1094 res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);
1095 if (res != 1) {
1096 if (!res) {
1097 PrintAndLog("Found valid key:[%012"llx"]",key64);
1098 num_to_bytes(key64, 6, foundKey[t][i]);
1099 validKey[t][i] = true;
1100 }
1101 } else {
1102 PrintAndLog("Command execute timeout");
1103 }
1104 }
1105 b<127?(b+=4):(b+=16);
1106 }
1107 }
1108
1109 if (transferToEml) {
1110 uint8_t block[16];
1111 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1112 if (validKey[0][sectorNo] || validKey[1][sectorNo]) {
1113 mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1114 for (uint16_t t = 0; t < 2; t++) {
1115 if (validKey[t][sectorNo]) {
1116 memcpy(block + t*10, foundKey[t][sectorNo], 6);
1117 }
1118 }
1119 mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1120 }
1121 }
1122 PrintAndLog("Found keys have been transferred to the emulator memory");
1123 }
1124
1125 if (createDumpFile) {
1126 FILE *fkeys = fopen("dumpkeys.bin","wb");
1127 if (fkeys == NULL) {
1128 PrintAndLog("Could not create file dumpkeys.bin");
1129 free(keyBlock);
1130 return 1;
1131 }
1132 for (uint16_t t = 0; t < 2; t++) {
1133 fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys);
1134 }
1135 fclose(fkeys);
1136 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1137 }
1138
1139 free(keyBlock);
1140 PrintAndLog("");
1141 return 0;
1142 }
1143
1144 int CmdHF14AMf1kSim(const char *Cmd)
1145 {
1146 uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};
1147 uint8_t exitAfterNReads = 0;
1148 uint8_t flags = 0;
1149
1150 uint8_t cmdp = param_getchar(Cmd, 0);
1151
1152 if (cmdp == 'h' || cmdp == 'H') {
1153 PrintAndLog("Usage: hf mf sim u <uid (8 hex symbols)> n <numreads> i x");
1154 PrintAndLog(" h this help");
1155 PrintAndLog(" u (Optional) UID. If not specified, the UID from emulator memory will be used");
1156 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1157 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1158 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1159 PrintAndLog("");
1160 PrintAndLog(" sample: hf mf sim u 0a0a0a0a ");
1161 return 0;
1162 }
1163 uint8_t pnr = 0;
1164 if (param_getchar(Cmd, pnr) == 'u') {
1165 if(param_gethex(Cmd, pnr+1, uid, 8) == 0)
1166 {
1167 flags |= FLAG_4B_UID_IN_DATA; // UID from packet
1168 } else if(param_gethex(Cmd,pnr+1,uid,14) == 0) {
1169 flags |= FLAG_7B_UID_IN_DATA;// UID from packet
1170 } else {
1171 PrintAndLog("UID, if specified, must include 8 or 14 HEX symbols");
1172 return 1;
1173 }
1174 pnr +=2;
1175 }
1176 if (param_getchar(Cmd, pnr) == 'n') {
1177 exitAfterNReads = param_get8(Cmd,pnr+1);
1178 pnr += 2;
1179 }
1180 if (param_getchar(Cmd, pnr) == 'i' ) {
1181 //Using a flag to signal interactiveness, least significant bit
1182 flags |= FLAG_INTERACTIVE;
1183 pnr++;
1184 }
1185
1186 if (param_getchar(Cmd, pnr) == 'x' ) {
1187 //Using a flag to signal interactiveness, least significant bit
1188 flags |= FLAG_NR_AR_ATTACK;
1189 }
1190 PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) ",
1191 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1192 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): "N/A"
1193 , exitAfterNReads, flags,flags);
1194
1195
1196 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1197 memcpy(c.d.asBytes, uid, sizeof(uid));
1198 clearCommandBuffer();
1199 SendCommand(&c);
1200
1201 if(flags & FLAG_INTERACTIVE)
1202 {
1203 uint8_t data[40];
1204 uint8_t key[6];
1205
1206 UsbCommand resp;
1207 PrintAndLog("Press pm3-button or send another cmd to abort simulation");
1208 //while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1209 //We're waiting only 1.5 s at a time, otherwise we get the
1210 // annoying message about "Waiting for a response... "
1211 //}
1212 while(!ukbhit() ){
1213 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) continue;
1214
1215 if ( !(flags & FLAG_NR_AR_ATTACK) ) break;
1216 if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;
1217
1218 memset(data, 0x00, sizeof(data));
1219 memset(key, 0x00, sizeof(key));
1220 int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
1221
1222 memcpy(data, resp.d.asBytes, len);
1223
1224 uint64_t corr_uid = 0;
1225 if ( memcmp(data, "\x00\x00\x00\x00", 4) == 0 ) {
1226 corr_uid = (data[3] << 24) | (data[2] << 16) | (data[1] << 8) | data[0];
1227 tryMfk32(corr_uid, data, key);
1228 } else {
1229 corr_uid |= (uint64_t)data[2] << 48;
1230 corr_uid |= (uint64_t)data[1] << 40;
1231 corr_uid |= (uint64_t)data[0] << 32;
1232 corr_uid |= (uint64_t)data[7] << 24;
1233 corr_uid |= (uint64_t)data[6] << 16;
1234 corr_uid |= (uint64_t)data[5] << 8;
1235 corr_uid |= (uint64_t)data[4];
1236 tryMfk64(corr_uid, data, key);
1237 }
1238 PrintAndLog("--");
1239 }
1240 }
1241
1242 return 0;
1243 }
1244
1245 int CmdHF14AMfDbg(const char *Cmd)
1246 {
1247 int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1248 if (dbgMode > 4) {
1249 PrintAndLog("Max debug mode parameter is 4 \n");
1250 }
1251
1252 if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1253 PrintAndLog("Usage: hf mf dbg <debug level>");
1254 PrintAndLog(" 0 - no debug messages");
1255 PrintAndLog(" 1 - error messages");
1256 PrintAndLog(" 2 - plus information messages");
1257 PrintAndLog(" 3 - plus debug messages");
1258 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1259 PrintAndLog(" Note: this option therefore may cause malfunction itself");
1260 return 0;
1261 }
1262
1263 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1264 SendCommand(&c);
1265
1266 return 0;
1267 }
1268
1269 int CmdHF14AMfEGet(const char *Cmd)
1270 {
1271 uint8_t blockNo = 0;
1272 uint8_t data[16] = {0x00};
1273
1274 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1275 PrintAndLog("Usage: hf mf eget <block number>");
1276 PrintAndLog(" sample: hf mf eget 0 ");
1277 return 0;
1278 }
1279
1280 blockNo = param_get8(Cmd, 0);
1281
1282 PrintAndLog(" ");
1283 if (!mfEmlGetMem(data, blockNo, 1)) {
1284 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1285 } else {
1286 PrintAndLog("Command execute timeout");
1287 }
1288
1289 return 0;
1290 }
1291
1292 int CmdHF14AMfEClear(const char *Cmd)
1293 {
1294 if (param_getchar(Cmd, 0) == 'h') {
1295 PrintAndLog("Usage: hf mf eclr");
1296 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1297 return 0;
1298 }
1299
1300 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1301 SendCommand(&c);
1302 return 0;
1303 }
1304
1305 int CmdHF14AMfESet(const char *Cmd)
1306 {
1307 uint8_t memBlock[16];
1308 uint8_t blockNo = 0;
1309
1310 memset(memBlock, 0x00, sizeof(memBlock));
1311
1312 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1313 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1314 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1315 return 0;
1316 }
1317
1318 blockNo = param_get8(Cmd, 0);
1319
1320 if (param_gethex(Cmd, 1, memBlock, 32)) {
1321 PrintAndLog("block data must include 32 HEX symbols");
1322 return 1;
1323 }
1324
1325 // 1 - blocks count
1326 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};
1327 memcpy(c.d.asBytes, memBlock, 16);
1328 SendCommand(&c);
1329 return 0;
1330 }
1331
1332 int CmdHF14AMfELoad(const char *Cmd)
1333 {
1334 FILE * f;
1335 char filename[FILE_PATH_SIZE];
1336 char *fnameptr = filename;
1337 char buf[64] = {0x00};
1338 uint8_t buf8[64] = {0x00};
1339 int i, len, blockNum, numBlocks;
1340 int nameParamNo = 1;
1341 uint8_t blockWidth = 32;
1342 char ctmp = param_getchar(Cmd, 0);
1343
1344 if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1345 PrintAndLog("It loads emul dump from the file `filename.eml`");
1346 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`> [numblocks]");
1347 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL");
1348 PrintAndLog("");
1349 PrintAndLog(" sample: hf mf eload filename");
1350 PrintAndLog(" hf mf eload 4 filename");
1351 return 0;
1352 }
1353
1354 switch (ctmp) {
1355 case '0' : numBlocks = 5*4; break;
1356 case '1' :
1357 case '\0': numBlocks = 16*4; break;
1358 case '2' : numBlocks = 32*4; break;
1359 case '4' : numBlocks = 256; break;
1360 case 'U' : // fall through
1361 case 'u' : numBlocks = 255; blockWidth = 8; break;
1362 default: {
1363 numBlocks = 16*4;
1364 nameParamNo = 0;
1365 }
1366 }
1367 uint32_t numblk2 = param_get32ex(Cmd,2,0,10);
1368 if (numblk2 > 0) numBlocks = numblk2;
1369
1370 len = param_getstr(Cmd,nameParamNo,filename);
1371
1372 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1373
1374 fnameptr += len;
1375
1376 sprintf(fnameptr, ".eml");
1377
1378 // open file
1379 f = fopen(filename, "r");
1380 if (f == NULL) {
1381 PrintAndLog("File %s not found or locked", filename);
1382 return 1;
1383 }
1384
1385 blockNum = 0;
1386 while(!feof(f)){
1387 memset(buf, 0, sizeof(buf));
1388
1389 if (fgets(buf, sizeof(buf), f) == NULL) {
1390
1391 if (blockNum >= numBlocks) break;
1392
1393 PrintAndLog("File reading error.");
1394 fclose(f);
1395 return 2;
1396 }
1397
1398 if (strlen(buf) < blockWidth){
1399 if(strlen(buf) && feof(f))
1400 break;
1401 PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth);
1402 fclose(f);
1403 return 2;
1404 }
1405
1406 for (i = 0; i < blockWidth; i += 2) {
1407 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1408 }
1409 if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) {
1410 PrintAndLog("Cant set emul block: %3d", blockNum);
1411 fclose(f);
1412 return 3;
1413 }
1414 printf(".");
1415 blockNum++;
1416
1417 if (blockNum >= numBlocks) break;
1418 }
1419 fclose(f);
1420 printf("\n");
1421
1422 if ((blockNum != numBlocks)) {
1423 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1424 return 4;
1425 }
1426 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1427 return 0;
1428 }
1429
1430 int CmdHF14AMfESave(const char *Cmd)
1431 {
1432 FILE * f;
1433 char filename[FILE_PATH_SIZE];
1434 char * fnameptr = filename;
1435 uint8_t buf[64];
1436 int i, j, len, numBlocks;
1437 int nameParamNo = 1;
1438
1439 memset(filename, 0, sizeof(filename));
1440 memset(buf, 0, sizeof(buf));
1441
1442 char ctmp = param_getchar(Cmd, 0);
1443
1444 if ( ctmp == 'h' || ctmp == 'H') {
1445 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1446 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1447 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1448 PrintAndLog("");
1449 PrintAndLog(" sample: hf mf esave ");
1450 PrintAndLog(" hf mf esave 4");
1451 PrintAndLog(" hf mf esave 4 filename");
1452 return 0;
1453 }
1454
1455 switch (ctmp) {
1456 case '0' : numBlocks = 5*4; break;
1457 case '1' :
1458 case '\0': numBlocks = 16*4; break;
1459 case '2' : numBlocks = 32*4; break;
1460 case '4' : numBlocks = 256; break;
1461 default: {
1462 numBlocks = 16*4;
1463 nameParamNo = 0;
1464 }
1465 }
1466
1467 len = param_getstr(Cmd,nameParamNo,filename);
1468
1469 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1470
1471 // user supplied filename?
1472 if (len < 1) {
1473 // get filename (UID from memory)
1474 if (mfEmlGetMem(buf, 0, 1)) {
1475 PrintAndLog("Can\'t get UID from block: %d", 0);
1476 len = sprintf(fnameptr, "dump");
1477 fnameptr += len;
1478 }
1479 else {
1480 for (j = 0; j < 7; j++, fnameptr += 2)
1481 sprintf(fnameptr, "%02X", buf[j]);
1482 }
1483 } else {
1484 fnameptr += len;
1485 }
1486
1487 // add file extension
1488 sprintf(fnameptr, ".eml");
1489
1490 // open file
1491 f = fopen(filename, "w+");
1492
1493 if ( !f ) {
1494 PrintAndLog("Can't open file %s ", filename);
1495 return 1;
1496 }
1497
1498 // put hex
1499 for (i = 0; i < numBlocks; i++) {
1500 if (mfEmlGetMem(buf, i, 1)) {
1501 PrintAndLog("Cant get block: %d", i);
1502 break;
1503 }
1504 for (j = 0; j < 16; j++)
1505 fprintf(f, "%02X", buf[j]);
1506 fprintf(f,"\n");
1507 }
1508 fclose(f);
1509
1510 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1511
1512 return 0;
1513 }
1514
1515 int CmdHF14AMfECFill(const char *Cmd)
1516 {
1517 uint8_t keyType = 0;
1518 uint8_t numSectors = 16;
1519
1520 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1521 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
1522 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1523 PrintAndLog("");
1524 PrintAndLog("samples: hf mf ecfill A");
1525 PrintAndLog(" hf mf ecfill A 4");
1526 PrintAndLog("Read card and transfer its data to emulator memory.");
1527 PrintAndLog("Keys must be laid in the emulator memory. \n");
1528 return 0;
1529 }
1530
1531 char ctmp = param_getchar(Cmd, 0);
1532 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1533 PrintAndLog("Key type must be A or B");
1534 return 1;
1535 }
1536 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1537
1538 ctmp = param_getchar(Cmd, 1);
1539 switch (ctmp) {
1540 case '0' : numSectors = 5; break;
1541 case '1' :
1542 case '\0': numSectors = 16; break;
1543 case '2' : numSectors = 32; break;
1544 case '4' : numSectors = 40; break;
1545 default: numSectors = 16;
1546 }
1547
1548 printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);
1549 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1550 SendCommand(&c);
1551 return 0;
1552 }
1553
1554 int CmdHF14AMfEKeyPrn(const char *Cmd)
1555 {
1556 int i;
1557 uint8_t numSectors;
1558 uint8_t data[16];
1559 uint64_t keyA, keyB;
1560
1561 char cmdp = param_getchar(Cmd, 0);
1562
1563 if ( cmdp == 'h' || cmdp == 'H' ) {
1564 PrintAndLog("It prints the keys loaded in the emulator memory");
1565 PrintAndLog("Usage: hf mf ekeyprn [card memory]");
1566 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1567 PrintAndLog("");
1568 PrintAndLog(" sample: hf mf ekeyprn 1");
1569 return 0;
1570 }
1571
1572 switch (cmdp) {
1573 case '0' : numSectors = 5; break;
1574 case '1' :
1575 case '\0': numSectors = 16; break;
1576 case '2' : numSectors = 32; break;
1577 case '4' : numSectors = 40; break;
1578 default: numSectors = 16;
1579 }
1580
1581 PrintAndLog("|---|----------------|----------------|");
1582 PrintAndLog("|sec|key A |key B |");
1583 PrintAndLog("|---|----------------|----------------|");
1584 for (i = 0; i < numSectors; i++) {
1585 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
1586 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1587 break;
1588 }
1589 keyA = bytes_to_num(data, 6);
1590 keyB = bytes_to_num(data + 10, 6);
1591 PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB);
1592 }
1593 PrintAndLog("|---|----------------|----------------|");
1594
1595 return 0;
1596 }
1597
1598 int CmdHF14AMfCSetUID(const char *Cmd)
1599 {
1600 uint8_t wipeCard = 0;
1601 uint8_t uid[8] = {0x00};
1602 uint8_t oldUid[8] = {0x00};
1603 uint8_t atqa[2] = {0x00};
1604 uint8_t sak[1] = {0x00};
1605 uint8_t atqaPresent = 1;
1606 int res;
1607 char ctmp;
1608 int argi=0;
1609
1610 if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') {
1611 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols] [w]");
1612 PrintAndLog("sample: hf mf csetuid 01020304");
1613 PrintAndLog("sample: hf mf csetuid 01020304 0004 08 w");
1614 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
1615 PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line.");
1616 return 0;
1617 }
1618
1619 if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) {
1620 PrintAndLog("UID must include 8 HEX symbols");
1621 return 1;
1622 }
1623 argi++;
1624
1625 ctmp = param_getchar(Cmd, argi);
1626 if (ctmp == 'w' || ctmp == 'W') {
1627 wipeCard = 1;
1628 atqaPresent = 0;
1629 }
1630
1631 if (atqaPresent) {
1632 if (param_getchar(Cmd, argi)) {
1633 if (param_gethex(Cmd, argi, atqa, 4)) {
1634 PrintAndLog("ATQA must include 4 HEX symbols");
1635 return 1;
1636 }
1637 argi++;
1638 if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) {
1639 PrintAndLog("SAK must include 2 HEX symbols");
1640 return 1;
1641 }
1642 argi++;
1643 } else
1644 atqaPresent = 0;
1645 }
1646
1647 if(!wipeCard) {
1648 ctmp = param_getchar(Cmd, argi);
1649 if (ctmp == 'w' || ctmp == 'W') {
1650 wipeCard = 1;
1651 }
1652 }
1653
1654 PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4));
1655
1656 res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid, wipeCard);
1657 if (res) {
1658 PrintAndLog("Can't set UID. error=%d", res);
1659 return 1;
1660 }
1661
1662 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
1663 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
1664 return 0;
1665 }
1666
1667 int CmdHF14AMfCSetBlk(const char *Cmd)
1668 {
1669 uint8_t block[16] = {0x00};
1670 uint8_t blockNo = 0;
1671 uint8_t params = MAGIC_SINGLE;
1672 int res;
1673
1674 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1675 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
1676 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
1677 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
1678 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
1679 return 0;
1680 }
1681
1682 blockNo = param_get8(Cmd, 0);
1683
1684 if (param_gethex(Cmd, 1, block, 32)) {
1685 PrintAndLog("block data must include 32 HEX symbols");
1686 return 1;
1687 }
1688
1689 char ctmp = param_getchar(Cmd, 2);
1690 if (ctmp == 'w' || ctmp == 'W')
1691 params |= MAGIC_WIPE;
1692
1693 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(block, 16));
1694
1695 res = mfCSetBlock(blockNo, block, NULL, params);
1696 if (res) {
1697 PrintAndLog("Can't write block. error=%d", res);
1698 return 1;
1699 }
1700 return 0;
1701 }
1702
1703 int CmdHF14AMfCLoad(const char *Cmd)
1704 {
1705 FILE * f;
1706 char filename[FILE_PATH_SIZE];
1707 char * fnameptr = filename;
1708 char buf[64] = {0x00};
1709 uint8_t buf8[64] = {0x00};
1710 uint8_t fillFromEmulator = 0;
1711 int i, len, blockNum, flags=0;
1712
1713 memset(filename, 0, sizeof(filename));
1714
1715 char ctmp = param_getchar(Cmd, 0);
1716
1717 if (ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1718 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
1719 PrintAndLog("or from emulator memory (option `e`)");
1720 PrintAndLog("Usage: hf mf cload <file name w/o `.eml`>");
1721 PrintAndLog(" or: hf mf cload e ");
1722 PrintAndLog(" sample: hf mf cload filename");
1723 return 0;
1724 }
1725
1726 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1727
1728 if (fillFromEmulator) {
1729 for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {
1730 if (mfEmlGetMem(buf8, blockNum, 1)) {
1731 PrintAndLog("Cant get block: %d", blockNum);
1732 return 2;
1733 }
1734 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1735 if (blockNum == 1) flags = 0; // just write
1736 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Magic Halt and switch off field.
1737
1738 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1739 PrintAndLog("Cant set magic card block: %d", blockNum);
1740 return 3;
1741 }
1742 }
1743 return 0;
1744 } else {
1745 len = strlen(Cmd);
1746 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1747
1748 memcpy(filename, Cmd, len);
1749 fnameptr += len;
1750
1751 sprintf(fnameptr, ".eml");
1752
1753 // open file
1754 f = fopen(filename, "r");
1755 if (f == NULL) {
1756 PrintAndLog("File not found or locked.");
1757 return 1;
1758 }
1759
1760 blockNum = 0;
1761 while(!feof(f)){
1762
1763 memset(buf, 0, sizeof(buf));
1764
1765 if (fgets(buf, sizeof(buf), f) == NULL) {
1766 fclose(f);
1767 PrintAndLog("File reading error.");
1768 return 2;
1769 }
1770
1771 if (strlen(buf) < 32) {
1772 if(strlen(buf) && feof(f))
1773 break;
1774 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1775 fclose(f);
1776 return 2;
1777 }
1778 for (i = 0; i < 32; i += 2)
1779 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1780
1781 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
1782 if (blockNum == 1) flags = 0; // just write
1783 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Switch off field.
1784
1785 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
1786 PrintAndLog("Can't set magic card block: %d", blockNum);
1787 return 3;
1788 }
1789 blockNum++;
1790
1791 if (blockNum >= 16 * 4) break; // magic card type - mifare 1K
1792 }
1793 fclose(f);
1794
1795 // 64 or 256blocks.
1796 if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
1797 PrintAndLog("File content error. There must be 64 blocks");
1798 return 4;
1799 }
1800 PrintAndLog("Loaded from file: %s", filename);
1801 return 0;
1802 }
1803 return 0;
1804 }
1805
1806 int CmdHF14AMfCGetBlk(const char *Cmd) {
1807 uint8_t data[16];
1808 uint8_t blockNo = 0;
1809 int res;
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 cgetblk <block number>");
1815 PrintAndLog("sample: hf mf cgetblk 1");
1816 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
1817 return 0;
1818 }
1819
1820 blockNo = param_get8(Cmd, 0);
1821
1822 PrintAndLog("--block number:%2d ", blockNo);
1823
1824 res = mfCGetBlock(blockNo, data, MAGIC_SINGLE);
1825 if (res) {
1826 PrintAndLog("Can't read block. error=%d", res);
1827 return 1;
1828 }
1829
1830 PrintAndLog("data: %s", sprint_hex(data, sizeof(data)));
1831 return 0;
1832 }
1833
1834 int CmdHF14AMfCGetSc(const char *Cmd) {
1835 uint8_t data[16];
1836 uint8_t sectorNo = 0;
1837 int i, res, flags;
1838 memset(data, 0x00, sizeof(data));
1839 char ctmp = param_getchar(Cmd, 0);
1840
1841 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
1842 PrintAndLog("Usage: hf mf cgetsc <sector number>");
1843 PrintAndLog("sample: hf mf cgetsc 0");
1844 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
1845 return 0;
1846 }
1847
1848 sectorNo = param_get8(Cmd, 0);
1849 if (sectorNo > 15) {
1850 PrintAndLog("Sector number must be in [0..15] as in MIFARE classic.");
1851 return 1;
1852 }
1853
1854 PrintAndLog("--sector number:%d ", sectorNo);
1855 PrintAndLog("block | data");
1856
1857 flags = MAGIC_INIT + MAGIC_WUPC;
1858 for (i = 0; i < 4; i++) {
1859 if (i == 1) flags = 0;
1860 if (i == 3) flags = MAGIC_HALT + MAGIC_OFF;
1861
1862 res = mfCGetBlock(sectorNo * 4 + i, data, flags);
1863 if (res) {
1864 PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res);
1865 return 1;
1866 }
1867 PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data)));
1868 }
1869 return 0;
1870 }
1871
1872 int CmdHF14AMfCSave(const char *Cmd) {
1873
1874 FILE * f;
1875 char filename[FILE_PATH_SIZE];
1876 char * fnameptr = filename;
1877 uint8_t fillFromEmulator = 0;
1878 uint8_t buf[64];
1879 int i, j, len, flags;
1880
1881 memset(filename, 0, sizeof(filename));
1882 memset(buf, 0, sizeof(buf));
1883 char ctmp = param_getchar(Cmd, 0);
1884
1885 if ( ctmp == 'h' || ctmp == 'H' ) {
1886 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
1887 PrintAndLog("or into emulator memory (option `e`)");
1888 PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]");
1889 PrintAndLog(" sample: hf mf esave ");
1890 PrintAndLog(" hf mf esave filename");
1891 PrintAndLog(" hf mf esave e \n");
1892 return 0;
1893 }
1894 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1895
1896 if (fillFromEmulator) {
1897 // put into emulator
1898 flags = MAGIC_INIT + MAGIC_WUPC;
1899 for (i = 0; i < 16 * 4; i++) {
1900 if (i == 1) flags = 0;
1901 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
1902
1903 if (mfCGetBlock(i, buf, flags)) {
1904 PrintAndLog("Cant get block: %d", i);
1905 break;
1906 }
1907
1908 if (mfEmlSetMem(buf, i, 1)) {
1909 PrintAndLog("Cant set emul block: %d", i);
1910 return 3;
1911 }
1912 }
1913 return 0;
1914 } else {
1915 len = strlen(Cmd);
1916 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1917
1918 // get filename based on UID
1919 if (len < 1) {
1920
1921 if (mfCGetBlock(0, buf, MAGIC_SINGLE)) {
1922 PrintAndLog("Cant get block: %d", 0);
1923 len = sprintf(fnameptr, "dump");
1924 fnameptr += len;
1925 } else {
1926 for (j = 0; j < 7; j++, fnameptr += 2)
1927 sprintf(fnameptr, "%02x", buf[j]);
1928 }
1929 } else {
1930 memcpy(filename, Cmd, len);
1931 fnameptr += len;
1932 }
1933
1934 // add .eml extension
1935 sprintf(fnameptr, ".eml");
1936
1937 // open file
1938 f = fopen(filename, "w+");
1939
1940 if (f == NULL) {
1941 PrintAndLog("File not found or locked.");
1942 return 1;
1943 }
1944
1945 // put hex
1946 flags = MAGIC_INIT + MAGIC_WUPC;
1947 for (i = 0; i < 16 * 4; i++) {
1948 if (i == 1) flags = 0;
1949 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
1950
1951 if (mfCGetBlock(i, buf, flags)) {
1952 PrintAndLog("Cant get block: %d", i);
1953 break;
1954 }
1955 for (j = 0; j < 16; j++)
1956 fprintf(f, "%02x", buf[j]);
1957 fprintf(f,"\n");
1958 }
1959 fflush(f);
1960 fclose(f);
1961 PrintAndLog("Saved to file: %s", filename);
1962 return 0;
1963 }
1964 }
1965
1966 int CmdHF14AMfSniff(const char *Cmd){
1967
1968 bool wantLogToFile = 0;
1969 bool wantDecrypt = 0;
1970 //bool wantSaveToEml = 0; TODO
1971 bool wantSaveToEmlFile = 0;
1972
1973 //var
1974 int res = 0;
1975 int len = 0;
1976 int blockLen = 0;
1977 int pckNum = 0;
1978 int num = 0;
1979 uint8_t uid[7];
1980 uint8_t uid_len;
1981 uint8_t atqa[2] = {0x00};
1982 uint8_t sak;
1983 bool isTag;
1984 uint8_t *buf = NULL;
1985 uint16_t bufsize = 0;
1986 uint8_t *bufPtr = NULL;
1987
1988 char ctmp = param_getchar(Cmd, 0);
1989 if ( ctmp == 'h' || ctmp == 'H' ) {
1990 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
1991 PrintAndLog("You can specify:");
1992 PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");
1993 PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");
1994 PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
1995 PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
1996 PrintAndLog("Usage: hf mf sniff [l][d][e][f]");
1997 PrintAndLog(" sample: hf mf sniff l d e");
1998 return 0;
1999 }
2000
2001 for (int i = 0; i < 4; i++) {
2002 ctmp = param_getchar(Cmd, i);
2003 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
2004 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
2005 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
2006 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
2007 }
2008
2009 printf("-------------------------------------------------------------------------\n");
2010 printf("Executing command. \n");
2011 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
2012 printf("Press the key on pc keyboard to abort the client.\n");
2013 printf("-------------------------------------------------------------------------\n");
2014
2015 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
2016 clearCommandBuffer();
2017 SendCommand(&c);
2018
2019 // wait cycle
2020 while (true) {
2021 printf(".");
2022 fflush(stdout);
2023 if (ukbhit()) {
2024 getchar();
2025 printf("\naborted via keyboard!\n");
2026 break;
2027 }
2028
2029 UsbCommand resp;
2030 if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {
2031 res = resp.arg[0] & 0xff;
2032 uint16_t traceLen = resp.arg[1];
2033 len = resp.arg[2];
2034
2035 if (res == 0) {
2036 free(buf);
2037 return 0; // we are done
2038 }
2039
2040 if (res == 1) { // there is (more) data to be transferred
2041 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
2042 if (traceLen > bufsize) {
2043 uint8_t *p;
2044 if (buf == NULL) { // not yet allocated
2045 p = malloc(traceLen);
2046 } else { // need more memory
2047 p = realloc(buf, traceLen);
2048 }
2049 if (p == NULL) {
2050 PrintAndLog("Cannot allocate memory for trace");
2051 free(buf);
2052 return 2;
2053 }
2054 buf = p;
2055 }
2056 bufPtr = buf;
2057 bufsize = traceLen;
2058 memset(buf, 0x00, traceLen);
2059 }
2060 if (bufPtr == NULL) {
2061 PrintAndLog("Cannot allocate memory for trace");
2062 free(buf);
2063 return 2;
2064 }
2065 memcpy(bufPtr, resp.d.asBytes, len);
2066 bufPtr += len;
2067 pckNum++;
2068 }
2069
2070 if (res == 2) { // received all data, start displaying
2071 blockLen = bufPtr - buf;
2072 bufPtr = buf;
2073 printf(">\n");
2074 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
2075 while (bufPtr - buf < blockLen) {
2076 bufPtr += 6; // skip (void) timing information
2077 len = *((uint16_t *)bufPtr);
2078 if(len & 0x8000) {
2079 isTag = true;
2080 len &= 0x7fff;
2081 } else {
2082 isTag = false;
2083 }
2084 bufPtr += 2;
2085 if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
2086 memcpy(uid, bufPtr + 2, 7);
2087 memcpy(atqa, bufPtr + 2 + 7, 2);
2088 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
2089 sak = bufPtr[11];
2090 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
2091 sprint_hex(uid + (7 - uid_len), uid_len),
2092 atqa[1],
2093 atqa[0],
2094 sak);
2095 if (wantLogToFile || wantDecrypt) {
2096 FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
2097 AddLogCurrentDT(logHexFileName);
2098 }
2099 if (wantDecrypt)
2100 mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
2101 } else {
2102 PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
2103 if (wantLogToFile)
2104 AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
2105 if (wantDecrypt)
2106 mfTraceDecode(bufPtr, len, wantSaveToEmlFile);
2107 num++;
2108 }
2109 bufPtr += len;
2110 bufPtr += ((len-1)/8+1); // ignore parity
2111 }
2112 pckNum = 0;
2113 }
2114 } // resp not NULL
2115 } // while (true)
2116
2117 free(buf);
2118 return 0;
2119 }
2120
2121 //needs nt, ar, at, Data to decrypt
2122 int CmdHf14MfDecryptBytes(const char *Cmd){
2123 uint8_t data[50];
2124
2125 uint32_t nt = param_get32ex(Cmd,0,0,16);
2126 uint32_t ar_enc = param_get32ex(Cmd,1,0,16);
2127 uint32_t at_enc = param_get32ex(Cmd,2,0,16);
2128
2129 int len = 0;
2130 param_gethex_ex(Cmd, 3, data, &len);
2131
2132 len /= 2;
2133 int limit = sizeof(data) / 2;
2134
2135 if ( len >= limit )
2136 len = limit;
2137
2138 return tryDecryptWord( nt, ar_enc, at_enc, data, len);
2139 }
2140
2141 static command_t CommandTable[] = {
2142 {"help", CmdHelp, 1, "This help"},
2143 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
2144 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
2145 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
2146 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
2147 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
2148 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
2149 {"chk", CmdHF14AMfChk, 0, "Test block keys"},
2150 {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},
2151 {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
2152 {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},
2153 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
2154 {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},
2155 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},
2156 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
2157 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
2158 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
2159 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
2160 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
2161 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
2162 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
2163 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
2164 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
2165 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
2166 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
2167 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
2168 {"decrypt", CmdHf14MfDecryptBytes, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2169 {NULL, NULL, 0, NULL}
2170 };
2171
2172 int CmdHFMF(const char *Cmd) {
2173 // flush
2174 clearCommandBuffer();
2175 //WaitForResponseTimeout(CMD_ACK,NULL,100);
2176 CmdsParse(CommandTable, Cmd);
2177 return 0;
2178 }
2179
2180 int CmdHelp(const char *Cmd) {
2181 CmdsHelp(CommandTable);
2182 return 0;
2183 }
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