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