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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
13 #include <inttypes.h>
14 #include <string.h>
15 #include <stdio.h>
16 #include <stdlib.h>
17 #include <ctype.h>
18 #include "comms.h"
19 #include "cmdmain.h"
20 #include "cmdhfmfhard.h"
21 #include "parity.h"
22 #include "util.h"
23 #include "util_posix.h"
24 #include "usb_cmd.h"
25 #include "ui.h"
26 #include "mifare/mifarehost.h"
27 #include "mifare.h"
28 #include "mifare/mfkey.h"
29 #include "hardnested/hardnested_bf_core.h"
30 #include "cliparser/cliparser.h"
31 #include "cmdhf14a.h"
32 #include "mifare/mifaredefault.h"
33 #include "mifare/mifare4.h"
34 #include "mifare/mad.h"
35 #include "mifare/ndef.h"
36 #include "emv/dump.h"
37
38 #define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up
39
40 static int CmdHelp(const char *Cmd);
41
42 int CmdHF14AMifare(const char *Cmd)
43 {
44 int isOK = 0;
45 uint64_t key = 0;
46 isOK = mfDarkside(&key);
47 switch (isOK) {
48 case -1 : PrintAndLog("Button pressed. Aborted."); return 1;
49 case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests)."); return 1;
50 case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable)."); return 1;
51 case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
52 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour."); return 1;
53 case -5 : PrintAndLog("Aborted via keyboard."); return 1;
54 default : PrintAndLog("Found valid key:%012" PRIx64 "\n", key);
55 }
56
57 PrintAndLog("");
58 return 0;
59 }
60
61
62 int CmdHF14AMfWrBl(const char *Cmd)
63 {
64 uint8_t blockNo = 0;
65 uint8_t keyType = 0;
66 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
67 uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
68
69 char cmdp = 0x00;
70
71 if (strlen(Cmd)<3) {
72 PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
73 PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
74 return 0;
75 }
76
77 blockNo = param_get8(Cmd, 0);
78 cmdp = param_getchar(Cmd, 1);
79 if (cmdp == 0x00) {
80 PrintAndLog("Key type must be A or B");
81 return 1;
82 }
83 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
84 if (param_gethex(Cmd, 2, key, 12)) {
85 PrintAndLog("Key must include 12 HEX symbols");
86 return 1;
87 }
88 if (param_gethex(Cmd, 3, bldata, 32)) {
89 PrintAndLog("Block data must include 32 HEX symbols");
90 return 1;
91 }
92 PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
93 PrintAndLog("--data: %s", sprint_hex(bldata, 16));
94
95 UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
96 memcpy(c.d.asBytes, key, 6);
97 memcpy(c.d.asBytes + 10, bldata, 16);
98 SendCommand(&c);
99
100 UsbCommand resp;
101 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
102 uint8_t isOK = resp.arg[0] & 0xff;
103 PrintAndLog("isOk:%02x", isOK);
104 } else {
105 PrintAndLog("Command execute timeout");
106 }
107
108 return 0;
109 }
110
111 int CmdHF14AMfRdBl(const char *Cmd)
112 {
113 uint8_t blockNo = 0;
114 uint8_t keyType = 0;
115 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
116
117 char cmdp = 0x00;
118
119
120 if (strlen(Cmd)<3) {
121 PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>");
122 PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
123 return 0;
124 }
125
126 blockNo = param_get8(Cmd, 0);
127 cmdp = param_getchar(Cmd, 1);
128 if (cmdp == 0x00) {
129 PrintAndLog("Key type must be A or B");
130 return 1;
131 }
132 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
133 if (param_gethex(Cmd, 2, key, 12)) {
134 PrintAndLog("Key must include 12 HEX symbols");
135 return 1;
136 }
137 PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
138
139 UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
140 memcpy(c.d.asBytes, key, 6);
141 SendCommand(&c);
142
143 UsbCommand resp;
144 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
145 uint8_t isOK = resp.arg[0] & 0xff;
146 uint8_t *data = resp.d.asBytes;
147
148 if (isOK) {
149 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
150 } else {
151 PrintAndLog("isOk:%02x", isOK);
152 return 1;
153 }
154
155 if (mfIsSectorTrailer(blockNo) && (data[6] || data[7] || data[8])) {
156 PrintAndLogEx(NORMAL, "Trailer decoded:");
157 int bln = mfFirstBlockOfSector(mfSectorNum(blockNo));
158 int blinc = (mfNumBlocksPerSector(mfSectorNum(blockNo)) > 4) ? 5 : 1;
159 for (int i = 0; i < 4; i++) {
160 PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &data[6]));
161 bln += blinc;
162 }
163 PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&data[9], 1));
164 }
165 } else {
166 PrintAndLog("Command execute timeout");
167 return 2;
168 }
169
170 return 0;
171 }
172
173 int CmdHF14AMfRdSc(const char *Cmd)
174 {
175 int i;
176 uint8_t sectorNo = 0;
177 uint8_t keyType = 0;
178 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
179 uint8_t isOK = 0;
180 uint8_t *data = NULL;
181 char cmdp = 0x00;
182
183 if (strlen(Cmd)<3) {
184 PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>");
185 PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
186 return 0;
187 }
188
189 sectorNo = param_get8(Cmd, 0);
190 if (sectorNo > 39) {
191 PrintAndLog("Sector number must be less than 40");
192 return 1;
193 }
194 cmdp = param_getchar(Cmd, 1);
195 if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
196 PrintAndLog("Key type must be A or B");
197 return 1;
198 }
199 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
200 if (param_gethex(Cmd, 2, key, 12)) {
201 PrintAndLog("Key must include 12 HEX symbols");
202 return 1;
203 }
204 PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
205
206 UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
207 memcpy(c.d.asBytes, key, 6);
208 SendCommand(&c);
209 PrintAndLog(" ");
210
211 UsbCommand resp;
212 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
213 isOK = resp.arg[0] & 0xff;
214 data = resp.d.asBytes;
215
216 PrintAndLog("isOk:%02x", isOK);
217 if (isOK) {
218 for (i = 0; i < (sectorNo<32?3:15); i++) {
219 PrintAndLog("data : %s", sprint_hex(data + i * 16, 16));
220 }
221 PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
222
223 PrintAndLogEx(NORMAL, "Trailer decoded:");
224 int bln = mfFirstBlockOfSector(sectorNo);
225 int blinc = (mfNumBlocksPerSector(sectorNo) > 4) ? 5 : 1;
226 for (i = 0; i < 4; i++) {
227 PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &(data + (sectorNo<32?3:15) * 16)[6]));
228 bln += blinc;
229 }
230 PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&(data + (sectorNo<32?3:15) * 16)[9], 1));
231 }
232 } else {
233 PrintAndLog("Command execute timeout");
234 }
235
236 return 0;
237 }
238
239 uint8_t FirstBlockOfSector(uint8_t sectorNo)
240 {
241 if (sectorNo < 32) {
242 return sectorNo * 4;
243 } else {
244 return 32 * 4 + (sectorNo - 32) * 16;
245 }
246 }
247
248 uint8_t NumBlocksPerSector(uint8_t sectorNo)
249 {
250 if (sectorNo < 32) {
251 return 4;
252 } else {
253 return 16;
254 }
255 }
256
257 static int ParamCardSizeSectors(const char c) {
258 int numSectors = 16;
259 switch (c) {
260 case '0' : numSectors = 5; break;
261 case '2' : numSectors = 32; break;
262 case '4' : numSectors = 40; break;
263 default: numSectors = 16;
264 }
265 return numSectors;
266 }
267
268 static int ParamCardSizeBlocks(const char c) {
269 int numBlocks = 16 * 4;
270 switch (c) {
271 case '0' : numBlocks = 5 * 4; break;
272 case '2' : numBlocks = 32 * 4; break;
273 case '4' : numBlocks = 32 * 4 + 8 * 16; break;
274 default: numBlocks = 16 * 4;
275 }
276 return numBlocks;
277 }
278
279 int CmdHF14AMfDump(const char *Cmd)
280 {
281 uint8_t sectorNo, blockNo;
282
283 uint8_t keys[2][40][6];
284 uint8_t rights[40][4];
285 uint8_t carddata[256][16];
286 uint8_t numSectors = 16;
287
288 FILE *fin;
289 FILE *fout;
290
291 UsbCommand resp;
292
293 char cmdp = param_getchar(Cmd, 0);
294 numSectors = ParamCardSizeSectors(cmdp);
295
296 if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
297 PrintAndLog("Usage: hf mf dump [card memory] [k|m]");
298 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
299 PrintAndLog(" k: Always try using both Key A and Key B for each sector, even if access bits would prohibit it");
300 PrintAndLog(" m: When missing access bits or keys, replace that block with NULL");
301 PrintAndLog("");
302 PrintAndLog("Samples: hf mf dump");
303 PrintAndLog(" hf mf dump 4");
304 PrintAndLog(" hf mf dump 4 m");
305 return 0;
306 }
307
308 char opts = param_getchar(Cmd, 1);
309 bool useBothKeysAlways = false;
310 if (opts == 'k' || opts == 'K') useBothKeysAlways = true;
311 bool nullMissingKeys = false;
312 if (opts == 'm' || opts == 'M') nullMissingKeys = true;
313
314 if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
315 PrintAndLog("Could not find file dumpkeys.bin");
316 return 1;
317 }
318
319 // Read keys from file
320 for (int group=0; group<=1; group++) {
321 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
322 size_t bytes_read = fread(keys[group][sectorNo], 1, 6, fin);
323 if (bytes_read != 6) {
324 PrintAndLog("File reading error.");
325 fclose(fin);
326 return 2;
327 }
328 }
329 }
330
331 fclose(fin);
332
333 PrintAndLog("|-----------------------------------------|");
334 PrintAndLog("|------ Reading sector access bits...-----|");
335 PrintAndLog("|-----------------------------------------|");
336 uint8_t tries = 0;
337 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
338 for (tries = 0; tries < 3; tries++) {
339 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
340 // At least the Access Conditions can always be read with key A.
341 memcpy(c.d.asBytes, keys[0][sectorNo], 6);
342 SendCommand(&c);
343
344 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
345 uint8_t isOK = resp.arg[0] & 0xff;
346 uint8_t *data = resp.d.asBytes;
347 if (isOK){
348 rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0
349 rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1
350 rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2
351 rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer
352 break;
353 } else if (tries == 2) { // on last try set defaults
354 PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
355 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
356 rights[sectorNo][3] = 0x01;
357 }
358 } else {
359 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
360 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
361 rights[sectorNo][3] = 0x01;
362 }
363 }
364 }
365
366 PrintAndLog("|-----------------------------------------|");
367 PrintAndLog("|----- Dumping all blocks to file... -----|");
368 PrintAndLog("|-----------------------------------------|");
369
370 bool isOK = true;
371 for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
372 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
373 bool received = false;
374 for (tries = 0; tries < 3; tries++) {
375 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A.
376 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
377 memcpy(c.d.asBytes, keys[0][sectorNo], 6);
378 SendCommand(&c);
379 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
380 } else if (useBothKeysAlways) {
381 // Always try both keys, even if access conditions wouldn't work.
382 for (int k=0; k<=1; k++) {
383 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
384 memcpy(c.d.asBytes, keys[k][sectorNo], 6);
385 SendCommand(&c);
386 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
387
388 // Don't try the other one on success.
389 if (resp.arg[0] & 0xff) break;
390 }
391 } else { // data block. Check if it can be read with key A or key B
392 uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
393 if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work
394 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
395 memcpy(c.d.asBytes, keys[1][sectorNo], 6);
396 SendCommand(&c);
397 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
398 } else if (rights[sectorNo][data_area] == 0x07) { // no key would work
399 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
400 if (nullMissingKeys) {
401 memset(resp.d.asBytes, 0, 16);
402 resp.arg[0] = 1;
403 PrintAndLog(" ... filling the block with NULL");
404 received = true;
405 } else {
406 isOK = false;
407 tries = 2;
408 }
409 } else { // key A would work
410 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
411 memcpy(c.d.asBytes, keys[0][sectorNo], 6);
412 SendCommand(&c);
413 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
414 }
415 }
416 if (received) {
417 isOK = resp.arg[0] & 0xff;
418 if (isOK) break;
419 }
420 }
421
422 if (received) {
423 isOK = resp.arg[0] & 0xff;
424 uint8_t *data = resp.d.asBytes;
425 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys.
426 memcpy(data, keys[0][sectorNo], 6);
427 memcpy(data + 10, keys[1][sectorNo], 6);
428 }
429 if (isOK) {
430 memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
431 PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
432 } else {
433 PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
434 break;
435 }
436 }
437 else {
438 isOK = false;
439 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
440 break;
441 }
442 }
443 }
444
445 if (isOK) {
446 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
447 PrintAndLog("Could not create file name dumpdata.bin");
448 return 1;
449 }
450 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
451 fwrite(carddata, 1, 16*numblocks, fout);
452 fclose(fout);
453 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
454 }
455
456 return 0;
457 }
458
459 int CmdHF14AMfRestore(const char *Cmd)
460 {
461 uint8_t sectorNo,blockNo;
462 uint8_t keyType = 0;
463 uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
464 uint8_t bldata[16] = {0x00};
465 uint8_t keyA[40][6];
466 uint8_t keyB[40][6];
467 uint8_t numSectors;
468
469 FILE *fdump;
470 FILE *fkeys;
471
472 char cmdp = param_getchar(Cmd, 0);
473 switch (cmdp) {
474 case '0' : numSectors = 5; break;
475 case '1' :
476 case '\0': numSectors = 16; break;
477 case '2' : numSectors = 32; break;
478 case '4' : numSectors = 40; break;
479 default: numSectors = 16;
480 }
481
482 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
483 PrintAndLog("Usage: hf mf restore [card memory]");
484 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
485 PrintAndLog("");
486 PrintAndLog("Samples: hf mf restore");
487 PrintAndLog(" hf mf restore 4");
488 return 0;
489 }
490
491 if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
492 PrintAndLog("Could not find file dumpkeys.bin");
493 return 1;
494 }
495
496 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
497 size_t bytes_read = fread(keyA[sectorNo], 1, 6, fkeys);
498 if (bytes_read != 6) {
499 PrintAndLog("File reading error (dumpkeys.bin).");
500 fclose(fkeys);
501 return 2;
502 }
503 }
504
505 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
506 size_t bytes_read = fread(keyB[sectorNo], 1, 6, fkeys);
507 if (bytes_read != 6) {
508 PrintAndLog("File reading error (dumpkeys.bin).");
509 fclose(fkeys);
510 return 2;
511 }
512 }
513
514 fclose(fkeys);
515
516 if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
517 PrintAndLog("Could not find file dumpdata.bin");
518 return 1;
519 }
520 PrintAndLog("Restoring dumpdata.bin to card");
521
522 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
523 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
524 UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
525 memcpy(c.d.asBytes, key, 6);
526
527 size_t bytes_read = fread(bldata, 1, 16, fdump);
528 if (bytes_read != 16) {
529 PrintAndLog("File reading error (dumpdata.bin).");
530 fclose(fdump);
531 return 2;
532 }
533
534 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer
535 bldata[0] = (keyA[sectorNo][0]);
536 bldata[1] = (keyA[sectorNo][1]);
537 bldata[2] = (keyA[sectorNo][2]);
538 bldata[3] = (keyA[sectorNo][3]);
539 bldata[4] = (keyA[sectorNo][4]);
540 bldata[5] = (keyA[sectorNo][5]);
541 bldata[10] = (keyB[sectorNo][0]);
542 bldata[11] = (keyB[sectorNo][1]);
543 bldata[12] = (keyB[sectorNo][2]);
544 bldata[13] = (keyB[sectorNo][3]);
545 bldata[14] = (keyB[sectorNo][4]);
546 bldata[15] = (keyB[sectorNo][5]);
547 }
548
549 PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
550
551 memcpy(c.d.asBytes + 10, bldata, 16);
552 SendCommand(&c);
553
554 UsbCommand resp;
555 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
556 uint8_t isOK = resp.arg[0] & 0xff;
557 PrintAndLog("isOk:%02x", isOK);
558 } else {
559 PrintAndLog("Command execute timeout");
560 }
561 }
562 }
563
564 fclose(fdump);
565 return 0;
566 }
567
568 //----------------------------------------------
569 // Nested
570 //----------------------------------------------
571
572 static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) {
573 char ctmp3[4] = {0};
574 int len = param_getlength(Cmd, indx);
575 if (len > 0 && len < 4){
576 param_getstr(Cmd, indx, ctmp3, sizeof(ctmp3));
577
578 *paramT |= (ctmp3[0] == 't' || ctmp3[0] == 'T');
579 *paramD |= (ctmp3[0] == 'd' || ctmp3[0] == 'D');
580 bool paramS1 = *paramT || *paramD;
581
582 // slow and very slow
583 if (ctmp3[0] == 's' || ctmp3[0] == 'S' || ctmp3[1] == 's' || ctmp3[1] == 'S') {
584 *timeout = 11; // slow
585
586 if (!paramS1 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {
587 *timeout = 53; // very slow
588 }
589 if (paramS1 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {
590 *timeout = 53; // very slow
591 }
592 }
593 }
594 }
595
596 int CmdHF14AMfNested(const char *Cmd)
597 {
598 int i, j, res, iterations;
599 sector_t *e_sector = NULL;
600 uint8_t blockNo = 0;
601 uint8_t keyType = 0;
602 uint8_t trgBlockNo = 0;
603 uint8_t trgKeyType = 0;
604 uint8_t SectorsCnt = 0;
605 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
606 uint8_t keyBlock[MifareDefaultKeysSize * 6];
607 uint64_t key64 = 0;
608 // timeout in units. (ms * 106)/10 or us*0.0106
609 uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default
610
611 bool autosearchKey = false;
612
613 bool transferToEml = false;
614 bool createDumpFile = false;
615 FILE *fkeys;
616 uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
617 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
618
619 char cmdp, ctmp;
620
621 if (strlen(Cmd)<3) {
622 PrintAndLog("Usage:");
623 PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t|d|s|ss]");
624 PrintAndLog(" all sectors autosearch key: hf mf nested <card memory> * [t|d|s|ss]");
625 PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>");
626 PrintAndLog(" <target block number> <target key A/B> [t]");
627 PrintAndLog(" ");
628 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
629 PrintAndLog("t - transfer keys to emulator memory");
630 PrintAndLog("d - write keys to binary file dumpkeys.bin");
631 PrintAndLog("s - Slow (1ms) check keys (required by some non standard cards)");
632 PrintAndLog("ss - Very slow (5ms) check keys");
633 PrintAndLog(" ");
634 PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");
635 PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");
636 PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");
637 PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");
638 PrintAndLog(" sample5: hf mf nested 1 * t");
639 PrintAndLog(" sample6: hf mf nested 1 * ss");
640 return 0;
641 }
642
643 // <card memory>
644 cmdp = param_getchar(Cmd, 0);
645 if (cmdp == 'o' || cmdp == 'O') {
646 cmdp = 'o';
647 SectorsCnt = 1;
648 } else {
649 SectorsCnt = ParamCardSizeSectors(cmdp);
650 }
651
652 // <block number>. number or autosearch key (*)
653 if (param_getchar(Cmd, 1) == '*') {
654 autosearchKey = true;
655
656 parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);
657
658 PrintAndLog("--nested. sectors:%2d, block no:*, eml:%c, dmp=%c checktimeout=%d us",
659 SectorsCnt, transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);
660 } else {
661 blockNo = param_get8(Cmd, 1);
662
663 ctmp = param_getchar(Cmd, 2);
664 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
665 PrintAndLog("Key type must be A or B");
666 return 1;
667 }
668
669 if (ctmp != 'A' && ctmp != 'a')
670 keyType = 1;
671
672 if (param_gethex(Cmd, 3, key, 12)) {
673 PrintAndLog("Key must include 12 HEX symbols");
674 return 1;
675 }
676
677 // check if we can authenticate to sector
678 res = mfCheckKeys(blockNo, keyType, true, 1, key, &key64);
679 if (res) {
680 PrintAndLog("Can't authenticate to block:%3d key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
681 return 3;
682 }
683
684 // one sector nested
685 if (cmdp == 'o') {
686 trgBlockNo = param_get8(Cmd, 4);
687
688 ctmp = param_getchar(Cmd, 5);
689 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
690 PrintAndLog("Target key type must be A or B");
691 return 1;
692 }
693 if (ctmp != 'A' && ctmp != 'a')
694 trgKeyType = 1;
695
696 parseParamTDS(Cmd, 6, &transferToEml, &createDumpFile, &btimeout14a);
697 } else {
698 parseParamTDS(Cmd, 4, &transferToEml, &createDumpFile, &btimeout14a);
699 }
700
701 PrintAndLog("--nested. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us",
702 SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);
703 }
704
705 // one-sector nested
706 if (cmdp == 'o') { // ------------------------------------ one sector working
707 PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');
708 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
709 if (isOK) {
710 switch (isOK) {
711 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
712 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
713 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
714 default : PrintAndLog("Unknown Error.\n");
715 }
716 return 2;
717 }
718 key64 = bytes_to_num(keyBlock, 6);
719 if (key64) {
720 PrintAndLog("Found valid key:%012" PRIx64, key64);
721
722 // transfer key to the emulator
723 if (transferToEml) {
724 uint8_t sectortrailer;
725 if (trgBlockNo < 32*4) { // 4 block sector
726 sectortrailer = trgBlockNo | 0x03;
727 } else { // 16 block sector
728 sectortrailer = trgBlockNo | 0x0f;
729 }
730 mfEmlGetMem(keyBlock, sectortrailer, 1);
731
732 if (!trgKeyType)
733 num_to_bytes(key64, 6, keyBlock);
734 else
735 num_to_bytes(key64, 6, &keyBlock[10]);
736 mfEmlSetMem(keyBlock, sectortrailer, 1);
737 PrintAndLog("Key transferred to emulator memory.");
738 }
739 } else {
740 PrintAndLog("No valid key found");
741 }
742 }
743 else { // ------------------------------------ multiple sectors working
744 uint64_t msclock1;
745 msclock1 = msclock();
746
747 e_sector = calloc(SectorsCnt, sizeof(sector_t));
748 if (e_sector == NULL) return 1;
749
750 //test current key and additional standard keys first
751 for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){
752 num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
753 }
754
755 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
756 mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, MifareDefaultKeysSize, keyBlock, e_sector);
757
758 // get known key from array
759 bool keyFound = false;
760 if (autosearchKey) {
761 for (i = 0; i < SectorsCnt; i++) {
762 for (j = 0; j < 2; j++) {
763 if (e_sector[i].foundKey[j]) {
764 // get known key
765 blockNo = i * 4;
766 keyType = j;
767 num_to_bytes(e_sector[i].Key[j], 6, key);
768 keyFound = true;
769 break;
770 }
771 }
772 if (keyFound) break;
773 }
774
775 // Can't found a key....
776 if (!keyFound) {
777 PrintAndLog("Can't found any of the known keys.");
778 free(e_sector);
779 return 4;
780 }
781 PrintAndLog("--auto key. block no:%3d, key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
782 }
783
784 // nested sectors
785 iterations = 0;
786 PrintAndLog("nested...");
787 bool calibrate = true;
788 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
789 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
790 for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {
791 if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
792 PrintAndLog("-----------------------------------------------");
793 int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
794 if(isOK) {
795 switch (isOK) {
796 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
797 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
798 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
799 default : PrintAndLog("Unknown Error.\n");
800 }
801 free(e_sector);
802 return 2;
803 } else {
804 calibrate = false;
805 }
806
807 iterations++;
808
809 key64 = bytes_to_num(keyBlock, 6);
810 if (key64) {
811 PrintAndLog("Found valid key:%012" PRIx64, key64);
812 e_sector[sectorNo].foundKey[trgKeyType] = 1;
813 e_sector[sectorNo].Key[trgKeyType] = key64;
814
815 // try to check this key as a key to the other sectors
816 mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, 1, keyBlock, e_sector);
817 }
818 }
819 }
820 }
821
822 // print nested statistic
823 PrintAndLog("\n\n-----------------------------------------------\nNested statistic:\nIterations count: %d", iterations);
824 PrintAndLog("Time in nested: %1.3f (%1.3f sec per key)", ((float)(msclock() - msclock1))/1000.0, ((float)(msclock() - msclock1))/iterations/1000.0);
825
826 // print result
827 PrintAndLog("|---|----------------|---|----------------|---|");
828 PrintAndLog("|sec|key A |res|key B |res|");
829 PrintAndLog("|---|----------------|---|----------------|---|");
830 for (i = 0; i < SectorsCnt; i++) {
831 PrintAndLog("|%03d| %012" PRIx64 " | %d | %012" PRIx64 " | %d |", i,
832 e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
833 }
834 PrintAndLog("|---|----------------|---|----------------|---|");
835
836 // transfer keys to the emulator memory
837 if (transferToEml) {
838 for (i = 0; i < SectorsCnt; i++) {
839 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
840 if (e_sector[i].foundKey[0])
841 num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
842 if (e_sector[i].foundKey[1])
843 num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
844 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
845 }
846 PrintAndLog("Keys transferred to emulator memory.");
847 }
848
849 // Create dump file
850 if (createDumpFile) {
851 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
852 PrintAndLog("Could not create file dumpkeys.bin");
853 free(e_sector);
854 return 1;
855 }
856 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
857 for(i=0; i<SectorsCnt; i++) {
858 if (e_sector[i].foundKey[0]){
859 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
860 fwrite ( tempkey, 1, 6, fkeys );
861 }
862 else{
863 fwrite ( &standart, 1, 6, fkeys );
864 }
865 }
866 for(i=0; i<SectorsCnt; i++) {
867 if (e_sector[i].foundKey[1]){
868 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
869 fwrite ( tempkey, 1, 6, fkeys );
870 }
871 else{
872 fwrite ( &standart, 1, 6, fkeys );
873 }
874 }
875 fclose(fkeys);
876 }
877
878 free(e_sector);
879 }
880 return 0;
881 }
882
883
884 int CmdHF14AMfNestedHard(const char *Cmd)
885 {
886 uint8_t blockNo = 0;
887 uint8_t keyType = 0;
888 uint8_t trgBlockNo = 0;
889 uint8_t trgKeyType = 0;
890 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
891 uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};
892
893 char ctmp;
894 ctmp = param_getchar(Cmd, 0);
895
896 if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) {
897 PrintAndLog("Usage:");
898 PrintAndLog(" hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");
899 PrintAndLog(" <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");
900 PrintAndLog(" or hf mf hardnested r [known target key]");
901 PrintAndLog(" ");
902 PrintAndLog("Options: ");
903 PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin");
904 PrintAndLog(" s: Slower acquisition (required by some non standard cards)");
905 PrintAndLog(" r: Read nonces.bin and start attack");
906 PrintAndLog(" iX: set type of SIMD instructions. Without this flag programs autodetect it.");
907 PrintAndLog(" i5: AVX512");
908 PrintAndLog(" i2: AVX2");
909 PrintAndLog(" ia: AVX");
910 PrintAndLog(" is: SSE2");
911 PrintAndLog(" im: MMX");
912 PrintAndLog(" in: none (use CPU regular instruction set)");
913 PrintAndLog(" ");
914 PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
915 PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
916 PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");
917 PrintAndLog(" sample4: hf mf hardnested r");
918 PrintAndLog(" ");
919 PrintAndLog("Add the known target key to check if it is present in the remaining key space:");
920 PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");
921 return 0;
922 }
923
924 bool know_target_key = false;
925 bool nonce_file_read = false;
926 bool nonce_file_write = false;
927 bool slow = false;
928 int tests = 0;
929
930
931 uint16_t iindx = 0;
932 if (ctmp == 'R' || ctmp == 'r') {
933 nonce_file_read = true;
934 iindx = 1;
935 if (!param_gethex(Cmd, 1, trgkey, 12)) {
936 know_target_key = true;
937 iindx = 2;
938 }
939 } else if (ctmp == 'T' || ctmp == 't') {
940 tests = param_get32ex(Cmd, 1, 100, 10);
941 iindx = 2;
942 if (!param_gethex(Cmd, 2, trgkey, 12)) {
943 know_target_key = true;
944 iindx = 3;
945 }
946 } else {
947 blockNo = param_get8(Cmd, 0);
948 ctmp = param_getchar(Cmd, 1);
949 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
950 PrintAndLog("Key type must be A or B");
951 return 1;
952 }
953 if (ctmp != 'A' && ctmp != 'a') {
954 keyType = 1;
955 }
956
957 if (param_gethex(Cmd, 2, key, 12)) {
958 PrintAndLog("Key must include 12 HEX symbols");
959 return 1;
960 }
961
962 trgBlockNo = param_get8(Cmd, 3);
963 ctmp = param_getchar(Cmd, 4);
964 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
965 PrintAndLog("Target key type must be A or B");
966 return 1;
967 }
968 if (ctmp != 'A' && ctmp != 'a') {
969 trgKeyType = 1;
970 }
971
972 uint16_t i = 5;
973
974 if (!param_gethex(Cmd, 5, trgkey, 12)) {
975 know_target_key = true;
976 i++;
977 }
978 iindx = i;
979
980 while ((ctmp = param_getchar(Cmd, i))) {
981 if (ctmp == 's' || ctmp == 'S') {
982 slow = true;
983 } else if (ctmp == 'w' || ctmp == 'W') {
984 nonce_file_write = true;
985 } else if (param_getlength(Cmd, i) == 2 && ctmp == 'i') {
986 iindx = i;
987 } else {
988 PrintAndLog("Possible options are w , s and/or iX");
989 return 1;
990 }
991 i++;
992 }
993 }
994
995 SetSIMDInstr(SIMD_AUTO);
996 if (iindx > 0) {
997 while ((ctmp = param_getchar(Cmd, iindx))) {
998 if (param_getlength(Cmd, iindx) == 2 && ctmp == 'i') {
999 switch(param_getchar_indx(Cmd, 1, iindx)) {
1000 case '5':
1001 SetSIMDInstr(SIMD_AVX512);
1002 break;
1003 case '2':
1004 SetSIMDInstr(SIMD_AVX2);
1005 break;
1006 case 'a':
1007 SetSIMDInstr(SIMD_AVX);
1008 break;
1009 case 's':
1010 SetSIMDInstr(SIMD_SSE2);
1011 break;
1012 case 'm':
1013 SetSIMDInstr(SIMD_MMX);
1014 break;
1015 case 'n':
1016 SetSIMDInstr(SIMD_NONE);
1017 break;
1018 default:
1019 PrintAndLog("Unknown SIMD type. %c", param_getchar_indx(Cmd, 1, iindx));
1020 return 1;
1021 }
1022 }
1023 iindx++;
1024 }
1025 }
1026
1027 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 ",
1028 trgBlockNo,
1029 trgKeyType?'B':'A',
1030 trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],
1031 know_target_key?"":" (not set)",
1032 nonce_file_write?"write":nonce_file_read?"read":"none",
1033 slow?"Yes":"No",
1034 tests);
1035
1036 int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);
1037
1038 if (isOK) {
1039 switch (isOK) {
1040 case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
1041 case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;
1042 default : break;
1043 }
1044 return 2;
1045 }
1046
1047 return 0;
1048 }
1049
1050
1051 int CmdHF14AMfChk(const char *Cmd)
1052 {
1053 if (strlen(Cmd)<3) {
1054 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d|s|ss] [<key (12 hex symbols)>] [<dic (*.dic)>]");
1055 PrintAndLog(" * - all sectors");
1056 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
1057 PrintAndLog("d - write keys to binary file (not used when <block number> supplied)");
1058 PrintAndLog("t - write keys to emulator memory");
1059 PrintAndLog("s - slow execute. timeout 1ms");
1060 PrintAndLog("ss - very slow execute. timeout 5ms");
1061 PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic");
1062 PrintAndLog(" hf mf chk *1 ? t");
1063 PrintAndLog(" hf mf chk *1 ? d");
1064 PrintAndLog(" hf mf chk *1 ? s");
1065 PrintAndLog(" hf mf chk *1 ? dss");
1066 return 0;
1067 }
1068
1069 FILE * f;
1070 char filename[FILE_PATH_SIZE]={0};
1071 char buf[13];
1072 uint8_t *keyBlock = NULL, *p;
1073 uint16_t stKeyBlock = 20;
1074 int i, res;
1075 int keycnt = 0;
1076 char ctmp = 0x00;
1077 int clen = 0;
1078 uint8_t blockNo = 0;
1079 uint8_t SectorsCnt = 0;
1080 uint8_t keyType = 0;
1081 uint64_t key64 = 0;
1082 // timeout in units. (ms * 106)/10 or us*0.0106
1083 uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default
1084 bool param3InUse = false;
1085 bool transferToEml = 0;
1086 bool createDumpFile = 0;
1087 bool singleBlock = false; // Flag to ID if a single or multi key check
1088 uint8_t keyFoundCount = 0; // Counter to display the number of keys found/transfered to emulator
1089
1090 sector_t *e_sector = NULL;
1091
1092 keyBlock = calloc(stKeyBlock, 6);
1093 if (keyBlock == NULL) return 1;
1094
1095 int defaultKeysSize = MifareDefaultKeysSize;
1096 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++){
1097 num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
1098 }
1099
1100 if (param_getchar(Cmd, 0)=='*') {
1101 SectorsCnt = ParamCardSizeSectors(param_getchar(Cmd + 1, 0));
1102 }
1103 else {
1104 blockNo = param_get8(Cmd, 0);
1105 // Singe Key check, so Set Sector count to cover sectors (1 to sector that contains the block)
1106 // 1 and 2 Cards : Sector = blockNo/4 + 1
1107 // Sectors 0 - 31 : 4 blocks per sector : Blocks 0 - 127
1108 // Sectors 32 - 39 : 16 blocks per sector : Blocks 128 - 255 (4K)
1109 if (blockNo < 128) SectorsCnt = (blockNo / 4) + 1;
1110 else SectorsCnt = 32 + ((blockNo-128)/16) + 1;
1111
1112 singleBlock = true; // Set flag for single key check
1113 }
1114
1115 ctmp = param_getchar(Cmd, 1);
1116 clen = param_getlength(Cmd, 1);
1117 if (clen == 1) {
1118 switch (ctmp) {
1119 case 'a': case 'A':
1120 keyType = 0;
1121 break;
1122 case 'b': case 'B':
1123 keyType = 1;
1124 break;
1125 case '?':
1126 keyType = 2;
1127 break;
1128 default:
1129 PrintAndLog("Key type must be A , B or ?");
1130 free(keyBlock);
1131 return 1;
1132 };
1133 }
1134
1135 parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);
1136
1137 if (singleBlock & createDumpFile) {
1138 PrintAndLog (" block key check (<block no>) and write to dump file (d) combination is not supported ");
1139 PrintAndLog (" please remove option d and try again");
1140 return 1;
1141 }
1142
1143 param3InUse = transferToEml | createDumpFile | (btimeout14a != MF_CHKKEYS_DEFTIMEOUT);
1144
1145 PrintAndLog("--chk keys. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us",
1146 SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);
1147
1148 for (i = param3InUse; param_getchar(Cmd, 2 + i); i++) {
1149 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
1150 if ( stKeyBlock - keycnt < 2) {
1151 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1152 if (!p) {
1153 PrintAndLog("Cannot allocate memory for Keys");
1154 free(keyBlock);
1155 return 2;
1156 }
1157 keyBlock = p;
1158 }
1159 PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1160 (keyBlock + 6*keycnt)[0], (keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1161 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1162 keycnt++;
1163 } else {
1164 // May be a dic file
1165 if ( param_getstr(Cmd, 2 + i, filename, sizeof(filename)) >= FILE_PATH_SIZE ) {
1166 PrintAndLog("File name too long");
1167 free(keyBlock);
1168 return 2;
1169 }
1170
1171 if ( (f = fopen( filename , "r")) ) {
1172 while( fgets(buf, sizeof(buf), f) ){
1173 if (strlen(buf) < 12 || buf[11] == '\n')
1174 continue;
1175
1176 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1177
1178 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
1179
1180 if (!isxdigit((unsigned char)buf[0])){
1181 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
1182 continue;
1183 }
1184
1185 buf[12] = 0;
1186
1187 if ( stKeyBlock - keycnt < 2) {
1188 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1189 if (!p) {
1190 PrintAndLog("Cannot allocate memory for defKeys");
1191 free(keyBlock);
1192 fclose(f);
1193 return 2;
1194 }
1195 keyBlock = p;
1196 }
1197 memset(keyBlock + 6 * keycnt, 0, 6);
1198 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
1199 PrintAndLog("chk custom key[%2d] %012" PRIx64 , keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
1200 keycnt++;
1201 memset(buf, 0, sizeof(buf));
1202 }
1203 fclose(f);
1204 } else {
1205 PrintAndLog("File: %s: not found or locked.", filename);
1206 free(keyBlock);
1207 return 1;
1208 }
1209 }
1210 }
1211
1212 // fill with default keys
1213 if (keycnt == 0) {
1214 PrintAndLog("No key specified, trying default keys");
1215 for (;keycnt < defaultKeysSize; keycnt++)
1216 PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1217 (keyBlock + 6*keycnt)[0], (keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1218 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1219 }
1220
1221 // initialize storage for found keys
1222 e_sector = calloc(SectorsCnt, sizeof(sector_t));
1223 if (e_sector == NULL) {
1224 free(keyBlock);
1225 return 1;
1226 }
1227 for (uint8_t keyAB = 0; keyAB < 2; keyAB++) {
1228 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1229 e_sector[sectorNo].Key[keyAB] = 0xffffffffffff;
1230 e_sector[sectorNo].foundKey[keyAB] = 0;
1231 }
1232 }
1233 printf("\n");
1234
1235 bool foundAKey = false;
1236 uint32_t max_keys = keycnt > USB_CMD_DATA_SIZE / 6 ? USB_CMD_DATA_SIZE / 6 : keycnt;
1237
1238 // !SingleKey, so all key check (if SectorsCnt > 0)
1239 if (!singleBlock) {
1240 PrintAndLog("To cancel this operation press the button on the proxmark...");
1241 printf("--");
1242 for (uint32_t c = 0; c < keycnt; c += max_keys) {
1243
1244 uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;
1245 res = mfCheckKeysSec(SectorsCnt, keyType, btimeout14a, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106
1246
1247 if (res != 1) {
1248 if (!res) {
1249 printf("o");
1250 foundAKey = true;
1251 } else {
1252 printf(".");
1253 }
1254 } else {
1255 printf("\n");
1256 PrintAndLog("Command execute timeout");
1257 }
1258 }
1259 } else {
1260 int keyAB = keyType;
1261 do {
1262 for (uint32_t c = 0; c < keycnt; c+=max_keys) {
1263
1264 uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;
1265 res = mfCheckKeys(blockNo, keyAB & 0x01, true, size, &keyBlock[6 * c], &key64);
1266
1267 if (res != 1) {
1268 if (!res) {
1269 // Use the common format below
1270 // PrintAndLog("Found valid key:[%d:%c]%012" PRIx64, blockNo, (keyAB & 0x01)?'B':'A', key64);
1271 foundAKey = true;
1272
1273 // Store the Single Key for display list
1274 // For a single block check, SectorsCnt = Sector that contains the block
1275 e_sector[SectorsCnt-1].foundKey[(keyAB & 0x01)] = true; // flag key found
1276 e_sector[SectorsCnt-1].Key[(keyAB & 0x01)] = key64; // Save key data
1277
1278 }
1279 } else {
1280 PrintAndLog("Command execute timeout");
1281 }
1282 }
1283 } while(--keyAB > 0);
1284 }
1285
1286 // print result
1287 if (foundAKey) {
1288 if (SectorsCnt) {
1289 PrintAndLog("");
1290 PrintAndLog("|---|----------------|---|----------------|---|");
1291 PrintAndLog("|sec|key A |res|key B |res|");
1292 PrintAndLog("|---|----------------|---|----------------|---|");
1293 for (i = 0; i < SectorsCnt; i++) {
1294 // If a block key check, only print a line if a key was found.
1295 if (!singleBlock || (e_sector[i].foundKey[0]) || (e_sector[i].foundKey[1]) ){
1296 PrintAndLog("|%03d| %012" PRIx64 " | %d | %012" PRIx64 " | %d |", i,
1297 e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
1298 }
1299 }
1300 PrintAndLog("|---|----------------|---|----------------|---|");
1301 }
1302 } else {
1303 PrintAndLog("");
1304 PrintAndLog("No valid keys found.");
1305 }
1306
1307 if (transferToEml) {
1308 uint8_t block[16];
1309 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1310 if (e_sector[sectorNo].foundKey[0] || e_sector[sectorNo].foundKey[1]) {
1311 mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1312 for (uint16_t t = 0; t < 2; t++) {
1313 if (e_sector[sectorNo].foundKey[t]) {
1314 num_to_bytes(e_sector[sectorNo].Key[t], 6, block + t * 10);
1315 keyFoundCount++; // Key found count for information
1316 }
1317 }
1318 mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1319 }
1320 }
1321 // Updated to show the actual number of keys found/transfered.
1322 PrintAndLog("%d keys(s) found have been transferred to the emulator memory",keyFoundCount);
1323 }
1324
1325 if (createDumpFile && !singleBlock) {
1326 FILE *fkeys = fopen("dumpkeys.bin","wb");
1327 if (fkeys == NULL) {
1328 PrintAndLog("Could not create file dumpkeys.bin");
1329 free(e_sector);
1330 free(keyBlock);
1331 return 1;
1332 }
1333 uint8_t mkey[6];
1334 for (uint8_t t = 0; t < 2; t++) {
1335 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1336 num_to_bytes(e_sector[sectorNo].Key[t], 6, mkey);
1337 fwrite(mkey, 1, 6, fkeys);
1338 }
1339 }
1340 fclose(fkeys);
1341 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1342 }
1343
1344 free(e_sector);
1345 free(keyBlock);
1346 PrintAndLog("");
1347 return 0;
1348 }
1349
1350 void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack) {
1351 #define ATTACK_KEY_COUNT 7 // keep same as define in iso14443a.c -> Mifare1ksim()
1352 // cannot be more than 7 or it will overrun c.d.asBytes(512)
1353 uint64_t key = 0;
1354 typedef struct {
1355 uint64_t keyA;
1356 uint64_t keyB;
1357 } st_t;
1358 st_t sector_trailer[ATTACK_KEY_COUNT];
1359 memset(sector_trailer, 0x00, sizeof(sector_trailer));
1360
1361 uint8_t stSector[ATTACK_KEY_COUNT];
1362 memset(stSector, 0x00, sizeof(stSector));
1363 uint8_t key_cnt[ATTACK_KEY_COUNT];
1364 memset(key_cnt, 0x00, sizeof(key_cnt));
1365
1366 for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {
1367 if (ar_resp[i].ar2 > 0) {
1368 //PrintAndLog("DEBUG: 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);
1369 if (doStandardAttack && mfkey32(ar_resp[i], &key)) {
1370 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));
1371
1372 for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {
1373 if (key_cnt[ii]==0 || stSector[ii]==ar_resp[i].sector) {
1374 if (ar_resp[i].keytype==0) {
1375 //keyA
1376 sector_trailer[ii].keyA = key;
1377 stSector[ii] = ar_resp[i].sector;
1378 key_cnt[ii]++;
1379 break;
1380 } else {
1381 //keyB
1382 sector_trailer[ii].keyB = key;
1383 stSector[ii] = ar_resp[i].sector;
1384 key_cnt[ii]++;
1385 break;
1386 }
1387 }
1388 }
1389 } else if (mfkey32_moebius(ar_resp[i+ATTACK_KEY_COUNT], &key)) {
1390 uint8_t sectorNum = ar_resp[i+ATTACK_KEY_COUNT].sector;
1391 uint8_t keyType = ar_resp[i+ATTACK_KEY_COUNT].keytype;
1392
1393 PrintAndLog("M-Found Key%s for sector %02d: [%012" PRIx64 "]"
1394 , keyType ? "B" : "A"
1395 , sectorNum
1396 , key
1397 );
1398
1399 for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {
1400 if (key_cnt[ii]==0 || stSector[ii]==sectorNum) {
1401 if (keyType==0) {
1402 //keyA
1403 sector_trailer[ii].keyA = key;
1404 stSector[ii] = sectorNum;
1405 key_cnt[ii]++;
1406 break;
1407 } else {
1408 //keyB
1409 sector_trailer[ii].keyB = key;
1410 stSector[ii] = sectorNum;
1411 key_cnt[ii]++;
1412 break;
1413 }
1414 }
1415 }
1416 continue;
1417 }
1418 }
1419 }
1420 //set emulator memory for keys
1421 if (setEmulatorMem) {
1422 for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {
1423 if (key_cnt[i]>0) {
1424 uint8_t memBlock[16];
1425 memset(memBlock, 0x00, sizeof(memBlock));
1426 char cmd1[36];
1427 memset(cmd1,0x00,sizeof(cmd1));
1428 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));
1429 PrintAndLog("Setting Emulator Memory Block %02d: [%s]",stSector[i]*4+3, cmd1);
1430 if (param_gethex(cmd1, 0, memBlock, 32)) {
1431 PrintAndLog("block data must include 32 HEX symbols");
1432 return;
1433 }
1434
1435 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {(stSector[i]*4+3), 1, 0}};
1436 memcpy(c.d.asBytes, memBlock, 16);
1437 clearCommandBuffer();
1438 SendCommand(&c);
1439 }
1440 }
1441 }
1442 /*
1443 //un-comment to use as well moebius attack
1444 for (uint8_t i = ATTACK_KEY_COUNT; i<ATTACK_KEY_COUNT*2; i++) {
1445 if (ar_resp[i].ar2 > 0) {
1446 if (tryMfk32_moebius(ar_resp[i], &key)) {
1447 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));
1448 }
1449 }
1450 }*/
1451 }
1452
1453 int usage_hf14_mfsim(void) {
1454 PrintAndLog("Usage: hf mf sim [h] [*<card memory>] [u <uid (8, 14, or 20 hex symbols)>] [n <numreads>] [i] [x]");
1455 PrintAndLog("options:");
1456 PrintAndLog(" h (Optional) this help");
1457 PrintAndLog(" card memory: 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other, default> - 1K");
1458 PrintAndLog(" u (Optional) UID 4 or 7 bytes. If not specified, the UID 4B from emulator memory will be used");
1459 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1460 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1461 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1462 PrintAndLog(" e (Optional) set keys found from 'reader attack' to emulator memory (implies x and i)");
1463 PrintAndLog(" f (Optional) get UIDs to use for 'reader attack' from file 'f <filename.txt>' (implies x and i)");
1464 PrintAndLog(" r (Optional) Generate random nonces instead of sequential nonces. Standard reader attack won't work with this option, only moebius attack works.");
1465 PrintAndLog("samples:");
1466 PrintAndLog(" hf mf sim u 0a0a0a0a");
1467 PrintAndLog(" hf mf sim *4");
1468 PrintAndLog(" hf mf sim u 11223344556677");
1469 PrintAndLog(" hf mf sim f uids.txt");
1470 PrintAndLog(" hf mf sim u 0a0a0a0a e");
1471
1472 return 0;
1473 }
1474
1475 int CmdHF14AMfSim(const char *Cmd) {
1476 UsbCommand resp;
1477 uint8_t uid[7] = {0};
1478 uint8_t exitAfterNReads = 0;
1479 uint8_t flags = 0;
1480 int uidlen = 0;
1481 bool setEmulatorMem = false;
1482 bool attackFromFile = false;
1483 FILE *f;
1484 char filename[FILE_PATH_SIZE];
1485 memset(filename, 0x00, sizeof(filename));
1486 int len = 0;
1487 char buf[64];
1488
1489 uint8_t cmdp = 0;
1490 bool errors = false;
1491 uint8_t cardsize = '1';
1492
1493 while(param_getchar(Cmd, cmdp) != 0x00) {
1494 switch(param_getchar(Cmd, cmdp)) {
1495 case '*':
1496 cardsize = param_getchar(Cmd + 1, cmdp);
1497 switch(cardsize) {
1498 case '0':
1499 case '1':
1500 case '2':
1501 case '4': break;
1502 default: cardsize = '1';
1503 }
1504 cmdp++;
1505 break;
1506 case 'e':
1507 case 'E':
1508 setEmulatorMem = true;
1509 //implies x and i
1510 flags |= FLAG_INTERACTIVE;
1511 flags |= FLAG_NR_AR_ATTACK;
1512 cmdp++;
1513 break;
1514 case 'f':
1515 case 'F':
1516 len = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
1517 if (len < 1) {
1518 PrintAndLog("error no filename found");
1519 return 0;
1520 }
1521 attackFromFile = true;
1522 //implies x and i
1523 flags |= FLAG_INTERACTIVE;
1524 flags |= FLAG_NR_AR_ATTACK;
1525 cmdp += 2;
1526 break;
1527 case 'h':
1528 case 'H':
1529 return usage_hf14_mfsim();
1530 case 'i':
1531 case 'I':
1532 flags |= FLAG_INTERACTIVE;
1533 cmdp++;
1534 break;
1535 case 'n':
1536 case 'N':
1537 exitAfterNReads = param_get8(Cmd, cmdp+1);
1538 cmdp += 2;
1539 break;
1540 case 'r':
1541 case 'R':
1542 flags |= FLAG_RANDOM_NONCE;
1543 cmdp++;
1544 break;
1545 case 'u':
1546 case 'U':
1547 uidlen = 14;
1548 if (param_gethex_ex(Cmd, cmdp+1, uid, &uidlen)) {
1549 return usage_hf14_mfsim();
1550 }
1551 switch (uidlen) {
1552 case 14: flags = FLAG_7B_UID_IN_DATA; break;
1553 case 8: flags = FLAG_4B_UID_IN_DATA; break;
1554 default: return usage_hf14_mfsim();
1555 }
1556 cmdp += 2;
1557 break;
1558 case 'x':
1559 case 'X':
1560 flags |= FLAG_NR_AR_ATTACK;
1561 cmdp++;
1562 break;
1563 default:
1564 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1565 errors = true;
1566 break;
1567 }
1568 if(errors) break;
1569 }
1570 //Validations
1571 if(errors) return usage_hf14_mfsim();
1572
1573 //get uid from file
1574 if (attackFromFile) {
1575 int count = 0;
1576 // open file
1577 f = fopen(filename, "r");
1578 if (f == NULL) {
1579 PrintAndLog("File %s not found or locked", filename);
1580 return 1;
1581 }
1582 PrintAndLog("Loading file and simulating. Press keyboard to abort");
1583 while(!feof(f) && !ukbhit()){
1584 memset(buf, 0, sizeof(buf));
1585 memset(uid, 0, sizeof(uid));
1586
1587 if (fgets(buf, sizeof(buf), f) == NULL) {
1588 if (count > 0) break;
1589
1590 PrintAndLog("File reading error.");
1591 fclose(f);
1592 return 2;
1593 }
1594 if(!strlen(buf) && feof(f)) break;
1595
1596 uidlen = strlen(buf)-1;
1597 switch(uidlen) {
1598 case 14: flags |= FLAG_7B_UID_IN_DATA; break;
1599 case 8: flags |= FLAG_4B_UID_IN_DATA; break;
1600 default:
1601 PrintAndLog("uid in file wrong length at %d (length: %d) [%s]",count, uidlen, buf);
1602 fclose(f);
1603 return 2;
1604 }
1605
1606 for (uint8_t i = 0; i < uidlen; i += 2) {
1607 sscanf(&buf[i], "%02x", (unsigned int *)&uid[i / 2]);
1608 }
1609
1610 PrintAndLog("mf sim cardsize: %s, uid: %s, numreads:%d, flags:%d (0x%02x) - press button to abort",
1611 cardsize == '0' ? "Mini" :
1612 cardsize == '2' ? "2K" :
1613 cardsize == '4' ? "4K" : "1K",
1614 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1615 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): "N/A",
1616 exitAfterNReads,
1617 flags,
1618 flags);
1619
1620 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads, cardsize}};
1621 memcpy(c.d.asBytes, uid, sizeof(uid));
1622 clearCommandBuffer();
1623 SendCommand(&c);
1624
1625 while (! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1626 //We're waiting only 1.5 s at a time, otherwise we get the
1627 // annoying message about "Waiting for a response... "
1628 }
1629 //got a response
1630 nonces_t ar_resp[ATTACK_KEY_COUNT*2];
1631 memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));
1632 // We can skip the standard attack if we have RANDOM_NONCE set.
1633 readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));
1634 if ((bool)resp.arg[1]) {
1635 PrintAndLog("Device button pressed - quitting");
1636 fclose(f);
1637 return 4;
1638 }
1639 count++;
1640 }
1641 fclose(f);
1642
1643 } else { //not from file
1644
1645 PrintAndLog("mf sim cardsize: %s, uid: %s, numreads:%d, flags:%d (0x%02x) ",
1646 cardsize == '0' ? "Mini" :
1647 cardsize == '2' ? "2K" :
1648 cardsize == '4' ? "4K" : "1K",
1649 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1650 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): "N/A",
1651 exitAfterNReads,
1652 flags,
1653 flags);
1654
1655 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads, cardsize}};
1656 memcpy(c.d.asBytes, uid, sizeof(uid));
1657 clearCommandBuffer();
1658 SendCommand(&c);
1659
1660 if(flags & FLAG_INTERACTIVE) {
1661 PrintAndLog("Press pm3-button to abort simulation");
1662 while(! WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
1663 //We're waiting only 1.5 s at a time, otherwise we get the
1664 // annoying message about "Waiting for a response... "
1665 }
1666 //got a response
1667 if (flags & FLAG_NR_AR_ATTACK) {
1668 nonces_t ar_resp[ATTACK_KEY_COUNT*2];
1669 memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));
1670 // We can skip the standard attack if we have RANDOM_NONCE set.
1671 readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));
1672 }
1673 }
1674 }
1675
1676 return 0;
1677 }
1678
1679 int CmdHF14AMfDbg(const char *Cmd)
1680 {
1681 int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1682 if (dbgMode > 4) {
1683 PrintAndLog("Max debug mode parameter is 4 \n");
1684 }
1685
1686 if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1687 PrintAndLog("Usage: hf mf dbg <debug level>");
1688 PrintAndLog(" 0 - no debug messages");
1689 PrintAndLog(" 1 - error messages");
1690 PrintAndLog(" 2 - plus information messages");
1691 PrintAndLog(" 3 - plus debug messages");
1692 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1693 PrintAndLog(" Note: this option therefore may cause malfunction itself");
1694 return 0;
1695 }
1696
1697 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1698 SendCommand(&c);
1699
1700 return 0;
1701 }
1702
1703 int CmdHF14AMfEGet(const char *Cmd)
1704 {
1705 uint8_t blockNo = 0;
1706 uint8_t data[16] = {0x00};
1707
1708 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1709 PrintAndLog("Usage: hf mf eget <block number>");
1710 PrintAndLog(" sample: hf mf eget 0 ");
1711 return 0;
1712 }
1713
1714 blockNo = param_get8(Cmd, 0);
1715
1716 PrintAndLog(" ");
1717 if (!mfEmlGetMem(data, blockNo, 1)) {
1718 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1719 } else {
1720 PrintAndLog("Command execute timeout");
1721 }
1722
1723 return 0;
1724 }
1725
1726 int CmdHF14AMfEClear(const char *Cmd)
1727 {
1728 if (param_getchar(Cmd, 0) == 'h') {
1729 PrintAndLog("Usage: hf mf eclr");
1730 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1731 return 0;
1732 }
1733
1734 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1735 SendCommand(&c);
1736 return 0;
1737 }
1738
1739
1740 int CmdHF14AMfESet(const char *Cmd)
1741 {
1742 uint8_t memBlock[16];
1743 uint8_t blockNo = 0;
1744
1745 memset(memBlock, 0x00, sizeof(memBlock));
1746
1747 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1748 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1749 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1750 return 0;
1751 }
1752
1753 blockNo = param_get8(Cmd, 0);
1754
1755 if (param_gethex(Cmd, 1, memBlock, 32)) {
1756 PrintAndLog("block data must include 32 HEX symbols");
1757 return 1;
1758 }
1759
1760 // 1 - blocks count
1761 return mfEmlSetMem(memBlock, blockNo, 1);
1762 }
1763
1764
1765 int CmdHF14AMfELoad(const char *Cmd)
1766 {
1767 FILE * f;
1768 char filename[FILE_PATH_SIZE];
1769 char *fnameptr = filename;
1770 char buf[64] = {0x00};
1771 uint8_t buf8[64] = {0x00};
1772 int i, len, blockNum, numBlocks;
1773 int nameParamNo = 1;
1774
1775 char ctmp = param_getchar(Cmd, 0);
1776
1777 if ( ctmp == 'h' || ctmp == 0x00) {
1778 PrintAndLog("It loads emul dump from the file `filename.eml`");
1779 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`>");
1780 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1781 PrintAndLog("");
1782 PrintAndLog(" sample: hf mf eload filename");
1783 PrintAndLog(" hf mf eload 4 filename");
1784 return 0;
1785 }
1786
1787 switch (ctmp) {
1788 case '0' : numBlocks = 5*4; break;
1789 case '1' :
1790 case '\0': numBlocks = 16*4; break;
1791 case '2' : numBlocks = 32*4; break;
1792 case '4' : numBlocks = 256; break;
1793 default: {
1794 numBlocks = 16*4;
1795 nameParamNo = 0;
1796 }
1797 }
1798
1799 len = param_getstr(Cmd, nameParamNo, filename, sizeof(filename));
1800
1801 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1802
1803 fnameptr += len;
1804
1805 sprintf(fnameptr, ".eml");
1806
1807 // open file
1808 f = fopen(filename, "r");
1809 if (f == NULL) {
1810 PrintAndLog("File %s not found or locked", filename);
1811 return 1;
1812 }
1813
1814 blockNum = 0;
1815 while(!feof(f)){
1816 memset(buf, 0, sizeof(buf));
1817
1818 if (fgets(buf, sizeof(buf), f) == NULL) {
1819
1820 if (blockNum >= numBlocks) break;
1821
1822 PrintAndLog("File reading error.");
1823 fclose(f);
1824 return 2;
1825 }
1826
1827 if (strlen(buf) < 32){
1828 if(strlen(buf) && feof(f))
1829 break;
1830 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1831 fclose(f);
1832 return 2;
1833 }
1834
1835 for (i = 0; i < 32; i += 2) {
1836 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1837 }
1838
1839 if (mfEmlSetMem(buf8, blockNum, 1)) {
1840 PrintAndLog("Cant set emul block: %3d", blockNum);
1841 fclose(f);
1842 return 3;
1843 }
1844 printf(".");
1845 blockNum++;
1846
1847 if (blockNum >= numBlocks) break;
1848 }
1849 fclose(f);
1850 printf("\n");
1851
1852 if ((blockNum != numBlocks)) {
1853 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1854 return 4;
1855 }
1856 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1857 return 0;
1858 }
1859
1860
1861 int CmdHF14AMfESave(const char *Cmd)
1862 {
1863 FILE * f;
1864 char filename[FILE_PATH_SIZE];
1865 char * fnameptr = filename;
1866 uint8_t buf[64];
1867 int i, j, len, numBlocks;
1868 int nameParamNo = 1;
1869
1870 memset(filename, 0, sizeof(filename));
1871 memset(buf, 0, sizeof(buf));
1872
1873 char ctmp = param_getchar(Cmd, 0);
1874
1875 if ( ctmp == 'h' || ctmp == 'H') {
1876 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1877 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1878 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1879 PrintAndLog("");
1880 PrintAndLog(" sample: hf mf esave ");
1881 PrintAndLog(" hf mf esave 4");
1882 PrintAndLog(" hf mf esave 4 filename");
1883 return 0;
1884 }
1885
1886 switch (ctmp) {
1887 case '0' : numBlocks = 5*4; break;
1888 case '1' :
1889 case '\0': numBlocks = 16*4; break;
1890 case '2' : numBlocks = 32*4; break;
1891 case '4' : numBlocks = 256; break;
1892 default: {
1893 numBlocks = 16*4;
1894 nameParamNo = 0;
1895 }
1896 }
1897
1898 len = param_getstr(Cmd,nameParamNo,filename,sizeof(filename));
1899
1900 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1901
1902 // user supplied filename?
1903 if (len < 1) {
1904 // get filename (UID from memory)
1905 if (mfEmlGetMem(buf, 0, 1)) {
1906 PrintAndLog("Can\'t get UID from block: %d", 0);
1907 len = sprintf(fnameptr, "dump");
1908 fnameptr += len;
1909 }
1910 else {
1911 for (j = 0; j < 7; j++, fnameptr += 2)
1912 sprintf(fnameptr, "%02X", buf[j]);
1913 }
1914 } else {
1915 fnameptr += len;
1916 }
1917
1918 // add file extension
1919 sprintf(fnameptr, ".eml");
1920
1921 // open file
1922 f = fopen(filename, "w+");
1923
1924 if ( !f ) {
1925 PrintAndLog("Can't open file %s ", filename);
1926 return 1;
1927 }
1928
1929 // put hex
1930 for (i = 0; i < numBlocks; i++) {
1931 if (mfEmlGetMem(buf, i, 1)) {
1932 PrintAndLog("Cant get block: %d", i);
1933 break;
1934 }
1935 for (j = 0; j < 16; j++)
1936 fprintf(f, "%02X", buf[j]);
1937 fprintf(f,"\n");
1938 }
1939 fclose(f);
1940
1941 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1942
1943 return 0;
1944 }
1945
1946
1947 int CmdHF14AMfECFill(const char *Cmd)
1948 {
1949 uint8_t keyType = 0;
1950 uint8_t numSectors = 16;
1951
1952 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1953 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
1954 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1955 PrintAndLog("");
1956 PrintAndLog("samples: hf mf ecfill A");
1957 PrintAndLog(" hf mf ecfill A 4");
1958 PrintAndLog("Read card and transfer its data to emulator memory.");
1959 PrintAndLog("Keys must be laid in the emulator memory. \n");
1960 return 0;
1961 }
1962
1963 char ctmp = param_getchar(Cmd, 0);
1964 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1965 PrintAndLog("Key type must be A or B");
1966 return 1;
1967 }
1968 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1969
1970 ctmp = param_getchar(Cmd, 1);
1971 switch (ctmp) {
1972 case '0' : numSectors = 5; break;
1973 case '1' :
1974 case '\0': numSectors = 16; break;
1975 case '2' : numSectors = 32; break;
1976 case '4' : numSectors = 40; break;
1977 default: numSectors = 16;
1978 }
1979
1980 printf("--params: numSectors: %d, keyType:%d\n", numSectors, keyType);
1981 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1982 SendCommand(&c);
1983 return 0;
1984 }
1985
1986
1987 int CmdHF14AMfEKeyPrn(const char *Cmd)
1988 {
1989 int i;
1990 uint8_t numSectors = 16;
1991 uint8_t data[16];
1992 uint64_t keyA, keyB;
1993 bool createDumpFile = false;
1994
1995 if (param_getchar(Cmd, 0) == 'h') {
1996 PrintAndLog("It prints the keys loaded in the emulator memory");
1997 PrintAndLog("Usage: hf mf ekeyprn [card memory] [d]");
1998 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1999 PrintAndLog(" [d] : write keys to binary file dumpkeys.bin");
2000 PrintAndLog("");
2001 PrintAndLog(" sample: hf mf ekeyprn 1");
2002 return 0;
2003 }
2004
2005 uint8_t cmdp = 0;
2006 while (param_getchar(Cmd, cmdp) != 0x00) {
2007 switch (param_getchar(Cmd, cmdp)) {
2008 case '0' : numSectors = 5; break;
2009 case '1' :
2010 case '\0': numSectors = 16; break;
2011 case '2' : numSectors = 32; break;
2012 case '4' : numSectors = 40; break;
2013 case 'd' :
2014 case 'D' : createDumpFile = true; break;
2015 }
2016 cmdp++;
2017 }
2018
2019 PrintAndLog("|---|----------------|----------------|");
2020 PrintAndLog("|sec|key A |key B |");
2021 PrintAndLog("|---|----------------|----------------|");
2022 for (i = 0; i < numSectors; i++) {
2023 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
2024 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
2025 break;
2026 }
2027 keyA = bytes_to_num(data, 6);
2028 keyB = bytes_to_num(data + 10, 6);
2029 PrintAndLog("|%03d| %012" PRIx64 " | %012" PRIx64 " |", i, keyA, keyB);
2030 }
2031 PrintAndLog("|---|----------------|----------------|");
2032
2033 // Create dump file
2034 if (createDumpFile) {
2035 FILE *fkeys;
2036 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
2037 PrintAndLog("Could not create file dumpkeys.bin");
2038 return 1;
2039 }
2040 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
2041 for(i = 0; i < numSectors; i++) {
2042 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
2043 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
2044 break;
2045 }
2046 fwrite(data+6, 1, 6, fkeys);
2047 }
2048 for(i = 0; i < numSectors; i++) {
2049 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
2050 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
2051 break;
2052 }
2053 fwrite(data+10, 1, 6, fkeys);
2054 }
2055 fclose(fkeys);
2056 }
2057
2058 return 0;
2059 }
2060
2061
2062 int CmdHF14AMfCSetUID(const char *Cmd)
2063 {
2064 uint8_t uid[8] = {0x00};
2065 uint8_t oldUid[8] = {0x00};
2066 uint8_t atqa[2] = {0x00};
2067 uint8_t sak[1] = {0x00};
2068 uint8_t atqaPresent = 0;
2069 int res;
2070
2071 uint8_t needHelp = 0;
2072 char cmdp = 1;
2073
2074 if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) {
2075 PrintAndLog("UID must include 8 HEX symbols");
2076 return 1;
2077 }
2078
2079 if (param_getlength(Cmd, 1) > 1 && param_getlength(Cmd, 2) > 1) {
2080 atqaPresent = 1;
2081 cmdp = 3;
2082
2083 if (param_gethex(Cmd, 1, atqa, 4)) {
2084 PrintAndLog("ATQA must include 4 HEX symbols");
2085 return 1;
2086 }
2087
2088 if (param_gethex(Cmd, 2, sak, 2)) {
2089 PrintAndLog("SAK must include 2 HEX symbols");
2090 return 1;
2091 }
2092 }
2093
2094 while(param_getchar(Cmd, cmdp) != 0x00)
2095 {
2096 switch(param_getchar(Cmd, cmdp))
2097 {
2098 case 'h':
2099 case 'H':
2100 needHelp = 1;
2101 break;
2102 default:
2103 PrintAndLog("ERROR: Unknown parameter '%c'", param_getchar(Cmd, cmdp));
2104 needHelp = 1;
2105 break;
2106 }
2107 cmdp++;
2108 }
2109
2110 if (strlen(Cmd) < 1 || needHelp) {
2111 PrintAndLog("");
2112 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols]");
2113 PrintAndLog("sample: hf mf csetuid 01020304");
2114 PrintAndLog("sample: hf mf csetuid 01020304 0004 08");
2115 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
2116 return 0;
2117 }
2118
2119 PrintAndLog("uid:%s", sprint_hex(uid, 4));
2120 if (atqaPresent) {
2121 PrintAndLog("--atqa:%s sak:%02x", sprint_hex(atqa, 2), sak[0]);
2122 }
2123
2124 res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid);
2125 if (res) {
2126 PrintAndLog("Can't set UID. Error=%d", res);
2127 return 1;
2128 }
2129
2130 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
2131 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
2132 return 0;
2133 }
2134
2135 int CmdHF14AMfCWipe(const char *Cmd)
2136 {
2137 int res, gen = 0;
2138 int numBlocks = 16 * 4;
2139 bool wipeCard = false;
2140 bool fillCard = false;
2141
2142 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2143 PrintAndLog("Usage: hf mf cwipe [card size] [w] [f]");
2144 PrintAndLog("sample: hf mf cwipe 1 w f");
2145 PrintAndLog("[card size]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
2146 PrintAndLog("w - Wipe magic Chinese card (only works with gen:1a cards)");
2147 PrintAndLog("f - Fill the card with default data and keys (works with gen:1a and gen:1b cards only)");
2148 return 0;
2149 }
2150
2151 gen = mfCIdentify();
2152 if ((gen != 1) && (gen != 2))
2153 return 1;
2154
2155 numBlocks = ParamCardSizeBlocks(param_getchar(Cmd, 0));
2156
2157 char cmdp = 0;
2158 while(param_getchar(Cmd, cmdp) != 0x00){
2159 switch(param_getchar(Cmd, cmdp)) {
2160 case 'w':
2161 case 'W':
2162 wipeCard = 1;
2163 break;
2164 case 'f':
2165 case 'F':
2166 fillCard = 1;
2167 break;
2168 default:
2169 break;
2170 }
2171 cmdp++;
2172 }
2173
2174 if (!wipeCard && !fillCard)
2175 wipeCard = true;
2176
2177 PrintAndLog("--blocks count:%2d wipe:%c fill:%c", numBlocks, (wipeCard)?'y':'n', (fillCard)?'y':'n');
2178
2179 if (gen == 2) {
2180 /* generation 1b magic card */
2181 if (wipeCard) {
2182 PrintAndLog("WARNING: can't wipe magic card 1b generation");
2183 }
2184 res = mfCWipe(numBlocks, true, false, fillCard);
2185 } else {
2186 /* generation 1a magic card by default */
2187 res = mfCWipe(numBlocks, false, wipeCard, fillCard);
2188 }
2189
2190 if (res) {
2191 PrintAndLog("Can't wipe. error=%d", res);
2192 return 1;
2193 }
2194 PrintAndLog("OK");
2195 return 0;
2196 }
2197
2198 int CmdHF14AMfCSetBlk(const char *Cmd)
2199 {
2200 uint8_t memBlock[16] = {0x00};
2201 uint8_t blockNo = 0;
2202 bool wipeCard = false;
2203 int res, gen = 0;
2204
2205 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2206 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
2207 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
2208 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
2209 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
2210 return 0;
2211 }
2212
2213 gen = mfCIdentify();
2214 if ((gen != 1) && (gen != 2))
2215 return 1;
2216
2217 blockNo = param_get8(Cmd, 0);
2218
2219 if (param_gethex(Cmd, 1, memBlock, 32)) {
2220 PrintAndLog("block data must include 32 HEX symbols");
2221 return 1;
2222 }
2223
2224 char ctmp = param_getchar(Cmd, 2);
2225 wipeCard = (ctmp == 'w' || ctmp == 'W');
2226 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(memBlock, 16));
2227
2228 if (gen == 2) {
2229 /* generation 1b magic card */
2230 res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);
2231 } else {
2232 /* generation 1a magic card by default */
2233 res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER);
2234 }
2235
2236 if (res) {
2237 PrintAndLog("Can't write block. error=%d", res);
2238 return 1;
2239 }
2240 return 0;
2241 }
2242
2243
2244 int CmdHF14AMfCLoad(const char *Cmd)
2245 {
2246 FILE * f;
2247 char filename[FILE_PATH_SIZE] = {0x00};
2248 char * fnameptr = filename;
2249 char buf[256] = {0x00};
2250 uint8_t buf8[256] = {0x00};
2251 uint8_t fillFromEmulator = 0;
2252 int i, len, blockNum, flags = 0, gen = 0, numblock = 64;
2253
2254 if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) {
2255 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
2256 PrintAndLog("or from emulator memory (option `e`). 4K card: (option `4`)");
2257 PrintAndLog("Usage: hf mf cload [file name w/o `.eml`][e][4]");
2258 PrintAndLog(" or: hf mf cload e [4]");
2259 PrintAndLog("Sample: hf mf cload filename");
2260 PrintAndLog(" hf mf cload filname 4");
2261 PrintAndLog(" hf mf cload e");
2262 PrintAndLog(" hf mf cload e 4");
2263 return 0;
2264 }
2265
2266 char ctmp = param_getchar(Cmd, 0);
2267 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2268 ctmp = param_getchar(Cmd, 1);
2269 if (ctmp == '4') numblock = 256;
2270
2271 gen = mfCIdentify();
2272 PrintAndLog("Loading magic mifare %dK", numblock == 256 ? 4:1);
2273
2274 if (fillFromEmulator) {
2275 for (blockNum = 0; blockNum < numblock; blockNum += 1) {
2276 if (mfEmlGetMem(buf8, blockNum, 1)) {
2277 PrintAndLog("Cant get block: %d", blockNum);
2278 return 2;
2279 }
2280 if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence
2281 if (blockNum == 1) flags = 0; // just write
2282 if (blockNum == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Magic Halt and switch off field.
2283
2284 if (gen == 2)
2285 /* generation 1b magic card */
2286 flags |= CSETBLOCK_MAGIC_1B;
2287 if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
2288 PrintAndLog("Cant set magic card block: %d", blockNum);
2289 return 3;
2290 }
2291 }
2292 return 0;
2293 } else {
2294 param_getstr(Cmd, 0, filename, sizeof(filename));
2295
2296 len = strlen(filename);
2297 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2298
2299 //memcpy(filename, Cmd, len);
2300 fnameptr += len;
2301
2302 sprintf(fnameptr, ".eml");
2303
2304 // open file
2305 f = fopen(filename, "r");
2306 if (f == NULL) {
2307 PrintAndLog("File not found or locked.");
2308 return 1;
2309 }
2310
2311 blockNum = 0;
2312 while(!feof(f)){
2313
2314 memset(buf, 0, sizeof(buf));
2315
2316 if (fgets(buf, sizeof(buf), f) == NULL) {
2317 fclose(f);
2318 PrintAndLog("File reading error.");
2319 return 2;
2320 }
2321
2322 if (strlen(buf) < 32) {
2323 if(strlen(buf) && feof(f))
2324 break;
2325 PrintAndLog("File content error. Block data must include 32 HEX symbols");
2326 fclose(f);
2327 return 2;
2328 }
2329 for (i = 0; i < 32; i += 2)
2330 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
2331
2332 if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence
2333 if (blockNum == 1) flags = 0; // just write
2334 if (blockNum == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Switch off field.
2335
2336 if (gen == 2)
2337 /* generation 1b magic card */
2338 flags |= CSETBLOCK_MAGIC_1B;
2339 if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
2340 PrintAndLog("Can't set magic card block: %d", blockNum);
2341 fclose(f);
2342 return 3;
2343 }
2344 blockNum++;
2345
2346 if (blockNum >= numblock) break; // magic card type - mifare 1K 64 blocks, mifare 4k 256 blocks
2347 }
2348 fclose(f);
2349
2350 //if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
2351 if (blockNum != numblock){
2352 PrintAndLog("File content error. There must be %d blocks", numblock);
2353 return 4;
2354 }
2355 PrintAndLog("Loaded from file: %s", filename);
2356 return 0;
2357 }
2358 return 0;
2359 }
2360
2361 int CmdHF14AMfCGetBlk(const char *Cmd) {
2362 uint8_t memBlock[16];
2363 uint8_t blockNo = 0;
2364 int res, gen = 0;
2365 memset(memBlock, 0x00, sizeof(memBlock));
2366
2367 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2368 PrintAndLog("Usage: hf mf cgetblk <block number>");
2369 PrintAndLog("sample: hf mf cgetblk 1");
2370 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
2371 return 0;
2372 }
2373
2374 gen = mfCIdentify();
2375
2376 blockNo = param_get8(Cmd, 0);
2377
2378 PrintAndLog("--block number:%2d ", blockNo);
2379
2380 if (gen == 2) {
2381 /* generation 1b magic card */
2382 res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);
2383 } else {
2384 /* generation 1a magic card by default */
2385 res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER);
2386 }
2387 if (res) {
2388 PrintAndLog("Can't read block. error=%d", res);
2389 return 1;
2390 }
2391
2392 PrintAndLog("block data:%s", sprint_hex(memBlock, 16));
2393
2394 if (mfIsSectorTrailer(blockNo)) {
2395 PrintAndLogEx(NORMAL, "Trailer decoded:");
2396 PrintAndLogEx(NORMAL, "Key A: %s", sprint_hex_inrow(memBlock, 6));
2397 PrintAndLogEx(NORMAL, "Key B: %s", sprint_hex_inrow(&memBlock[10], 6));
2398 int bln = mfFirstBlockOfSector(mfSectorNum(blockNo));
2399 int blinc = (mfNumBlocksPerSector(mfSectorNum(blockNo)) > 4) ? 5 : 1;
2400 for (int i = 0; i < 4; i++) {
2401 PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &memBlock[6]));
2402 bln += blinc;
2403 }
2404 PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&memBlock[9], 1));
2405 }
2406
2407 return 0;
2408 }
2409
2410 int CmdHF14AMfCGetSc(const char *Cmd) {
2411 uint8_t memBlock[16] = {0x00};
2412 uint8_t sectorNo = 0;
2413 int i, res, flags, gen = 0, baseblock = 0, sect_size = 4;
2414
2415 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2416 PrintAndLog("Usage: hf mf cgetsc <sector number>");
2417 PrintAndLog("sample: hf mf cgetsc 0");
2418 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
2419 return 0;
2420 }
2421
2422 sectorNo = param_get8(Cmd, 0);
2423
2424 if (sectorNo > 39) {
2425 PrintAndLog("Sector number must be in [0..15] in MIFARE classic 1k and [0..39] in MIFARE classic 4k.");
2426 return 1;
2427 }
2428
2429 PrintAndLog("--sector number:%d ", sectorNo);
2430
2431 gen = mfCIdentify();
2432
2433 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2434 if (sectorNo < 32 ) {
2435 baseblock = sectorNo * 4;
2436 } else {
2437 baseblock = 128 + 16 * (sectorNo - 32);
2438
2439 }
2440 if (sectorNo > 31) sect_size = 16;
2441
2442 for (i = 0; i < sect_size; i++) {
2443 if (i == 1) flags = 0;
2444 if (i == sect_size - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2445
2446 if (gen == 2)
2447 /* generation 1b magic card */
2448 flags |= CSETBLOCK_MAGIC_1B;
2449
2450 res = mfCGetBlock(baseblock + i, memBlock, flags);
2451 if (res) {
2452 PrintAndLog("Can't read block. %d error=%d", baseblock + i, res);
2453 return 1;
2454 }
2455
2456 PrintAndLog("block %3d data:%s", baseblock + i, sprint_hex(memBlock, 16));
2457
2458 if (mfIsSectorTrailer(baseblock + i)) {
2459 PrintAndLogEx(NORMAL, "Trailer decoded:");
2460 PrintAndLogEx(NORMAL, "Key A: %s", sprint_hex_inrow(memBlock, 6));
2461 PrintAndLogEx(NORMAL, "Key B: %s", sprint_hex_inrow(&memBlock[10], 6));
2462 int bln = baseblock;
2463 int blinc = (mfNumBlocksPerSector(sectorNo) > 4) ? 5 : 1;
2464 for (int i = 0; i < 4; i++) {
2465 PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &memBlock[6]));
2466 bln += blinc;
2467 }
2468 PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&memBlock[9], 1));
2469 }
2470 }
2471 return 0;
2472 }
2473
2474
2475 int CmdHF14AMfCSave(const char *Cmd) {
2476
2477 FILE * f;
2478 char filename[FILE_PATH_SIZE] = {0x00};
2479 char * fnameptr = filename;
2480 uint8_t fillFromEmulator = 0;
2481 uint8_t buf[256] = {0x00};
2482 int i, j, len, flags, gen = 0, numblock = 64;
2483
2484 // memset(filename, 0, sizeof(filename));
2485 // memset(buf, 0, sizeof(buf));
2486
2487 if (param_getchar(Cmd, 0) == 'h') {
2488 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
2489 PrintAndLog("or into emulator memory (option `e`). 4K card: (option `4`)");
2490 PrintAndLog("Usage: hf mf csave [file name w/o `.eml`][e][4]");
2491 PrintAndLog("Sample: hf mf csave ");
2492 PrintAndLog(" hf mf csave filename");
2493 PrintAndLog(" hf mf csave e");
2494 PrintAndLog(" hf mf csave 4");
2495 PrintAndLog(" hf mf csave filename 4");
2496 PrintAndLog(" hf mf csave e 4");
2497 return 0;
2498 }
2499
2500 char ctmp = param_getchar(Cmd, 0);
2501 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2502 if (ctmp == '4') numblock = 256;
2503 ctmp = param_getchar(Cmd, 1);
2504 if (ctmp == '4') numblock = 256;
2505
2506 gen = mfCIdentify();
2507 PrintAndLog("Saving magic mifare %dK", numblock == 256 ? 4:1);
2508
2509 if (fillFromEmulator) {
2510 // put into emulator
2511 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2512 for (i = 0; i < numblock; i++) {
2513 if (i == 1) flags = 0;
2514 if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2515
2516 if (gen == 2)
2517 /* generation 1b magic card */
2518 flags |= CSETBLOCK_MAGIC_1B;
2519
2520 if (mfCGetBlock(i, buf, flags)) {
2521 PrintAndLog("Cant get block: %d", i);
2522 break;
2523 }
2524
2525 if (mfEmlSetMem(buf, i, 1)) {
2526 PrintAndLog("Cant set emul block: %d", i);
2527 return 3;
2528 }
2529 }
2530 return 0;
2531 } else {
2532 param_getstr(Cmd, 0, filename, sizeof(filename));
2533
2534 len = strlen(filename);
2535 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2536
2537 ctmp = param_getchar(Cmd, 0);
2538 if (len < 1 || (ctmp == '4')) {
2539 // get filename
2540
2541 flags = CSETBLOCK_SINGLE_OPER;
2542 if (gen == 2)
2543 /* generation 1b magic card */
2544 flags |= CSETBLOCK_MAGIC_1B;
2545 if (mfCGetBlock(0, buf, flags)) {
2546 PrintAndLog("Cant get block: %d", 0);
2547 len = sprintf(fnameptr, "dump");
2548 fnameptr += len;
2549 }
2550 else {
2551 for (j = 0; j < 7; j++, fnameptr += 2)
2552 sprintf(fnameptr, "%02x", buf[j]);
2553 }
2554 } else {
2555 //memcpy(filename, Cmd, len);
2556 fnameptr += len;
2557 }
2558
2559 sprintf(fnameptr, ".eml");
2560
2561 // open file
2562 f = fopen(filename, "w+");
2563
2564 if (f == NULL) {
2565 PrintAndLog("File not found or locked.");
2566 return 1;
2567 }
2568
2569 // put hex
2570 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2571 for (i = 0; i < numblock; i++) {
2572 if (i == 1) flags = 0;
2573 if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2574
2575 if (gen == 2)
2576 /* generation 1b magic card */
2577 flags |= CSETBLOCK_MAGIC_1B;
2578 if (mfCGetBlock(i, buf, flags)) {
2579 PrintAndLog("Cant get block: %d", i);
2580 break;
2581 }
2582 for (j = 0; j < 16; j++)
2583 fprintf(f, "%02x", buf[j]);
2584 fprintf(f,"\n");
2585 }
2586 fclose(f);
2587
2588 PrintAndLog("Saved to file: %s", filename);
2589
2590 return 0;
2591 }
2592 }
2593
2594
2595 int CmdHF14AMfSniff(const char *Cmd){
2596
2597 bool wantLogToFile = 0;
2598 bool wantDecrypt = 0;
2599 //bool wantSaveToEml = 0; TODO
2600 bool wantSaveToEmlFile = 0;
2601
2602 //var
2603 int res = 0;
2604 int len = 0;
2605 int parlen = 0;
2606 int blockLen = 0;
2607 int pckNum = 0;
2608 int num = 0;
2609 uint8_t uid[7];
2610 uint8_t uid_len;
2611 uint8_t atqa[2] = {0x00};
2612 uint8_t sak;
2613 bool isTag;
2614 uint8_t *buf = NULL;
2615 uint16_t bufsize = 0;
2616 uint8_t *bufPtr = NULL;
2617 uint8_t parity[16];
2618
2619 char ctmp = param_getchar(Cmd, 0);
2620 if ( ctmp == 'h' || ctmp == 'H' ) {
2621 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
2622 PrintAndLog("You can specify:");
2623 PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");
2624 PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");
2625 PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
2626 PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
2627 PrintAndLog("Usage: hf mf sniff [l][d][e][f]");
2628 PrintAndLog(" sample: hf mf sniff l d e");
2629 return 0;
2630 }
2631
2632 for (int i = 0; i < 4; i++) {
2633 ctmp = param_getchar(Cmd, i);
2634 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
2635 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
2636 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
2637 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
2638 }
2639
2640 printf("-------------------------------------------------------------------------\n");
2641 printf("Executing command. \n");
2642 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
2643 printf("Press the key on pc keyboard to abort the client.\n");
2644 printf("-------------------------------------------------------------------------\n");
2645
2646 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
2647 clearCommandBuffer();
2648 SendCommand(&c);
2649
2650 // wait cycle
2651 while (true) {
2652 printf(".");
2653 fflush(stdout);
2654 if (ukbhit()) {
2655 getchar();
2656 printf("\naborted via keyboard!\n");
2657 break;
2658 }
2659
2660 UsbCommand resp;
2661 if (WaitForResponseTimeoutW(CMD_ACK, &resp, 2000, false)) {
2662 res = resp.arg[0] & 0xff;
2663 uint16_t traceLen = resp.arg[1];
2664 len = resp.arg[2];
2665
2666 if (res == 0) { // we are done
2667 break;
2668 }
2669
2670 if (res == 1) { // there is (more) data to be transferred
2671 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
2672 if (traceLen > bufsize || buf == NULL) {
2673 uint8_t *p;
2674 if (buf == NULL) { // not yet allocated
2675 p = malloc(traceLen);
2676 } else { // need more memory
2677 p = realloc(buf, traceLen);
2678 }
2679 if (p == NULL) {
2680 PrintAndLog("Cannot allocate memory for trace");
2681 free(buf);
2682 return 2;
2683 }
2684 buf = p;
2685 }
2686 bufPtr = buf;
2687 bufsize = traceLen;
2688 memset(buf, 0x00, traceLen);
2689 }
2690 memcpy(bufPtr, resp.d.asBytes, len);
2691 bufPtr += len;
2692 pckNum++;
2693 }
2694
2695 if (res == 2) { // received all data, start displaying
2696 blockLen = bufPtr - buf;
2697 bufPtr = buf;
2698 printf(">\n");
2699 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
2700 while (bufPtr - buf < blockLen) {
2701 bufPtr += 6; // skip (void) timing information
2702 len = *((uint16_t *)bufPtr);
2703 if(len & 0x8000) {
2704 isTag = true;
2705 len &= 0x7fff;
2706 } else {
2707 isTag = false;
2708 }
2709 parlen = (len - 1) / 8 + 1;
2710 bufPtr += 2;
2711 if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
2712 memcpy(uid, bufPtr + 2, 7);
2713 memcpy(atqa, bufPtr + 2 + 7, 2);
2714 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
2715 sak = bufPtr[11];
2716 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
2717 sprint_hex(uid + (7 - uid_len), uid_len),
2718 atqa[1],
2719 atqa[0],
2720 sak);
2721 if (wantLogToFile || wantDecrypt) {
2722 FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
2723 AddLogCurrentDT(logHexFileName);
2724 }
2725 if (wantDecrypt)
2726 mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
2727 } else {
2728 oddparitybuf(bufPtr, len, parity);
2729 PrintAndLog("%s(%d):%s [%s] c[%s]%c",
2730 isTag ? "TAG":"RDR",
2731 num,
2732 sprint_hex(bufPtr, len),
2733 printBitsPar(bufPtr + len, len),
2734 printBitsPar(parity, len),
2735 memcmp(bufPtr + len, parity, len / 8 + 1) ? '!' : ' ');
2736 if (wantLogToFile)
2737 AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
2738 if (wantDecrypt)
2739 mfTraceDecode(bufPtr, len, bufPtr[len], wantSaveToEmlFile);
2740 num++;
2741 }
2742 bufPtr += len;
2743 bufPtr += parlen; // ignore parity
2744 }
2745 pckNum = 0;
2746 }
2747 } // resp not NULL
2748 } // while (true)
2749
2750 free(buf);
2751
2752 msleep(300); // wait for exiting arm side.
2753 PrintAndLog("Done.");
2754 return 0;
2755 }
2756
2757 //needs nt, ar, at, Data to decrypt
2758 int CmdDecryptTraceCmds(const char *Cmd){
2759 uint8_t data[50];
2760 int len = 100;
2761 param_gethex_ex(Cmd, 3, data, &len);
2762 return tryDecryptWord(param_get32ex(Cmd, 0, 0, 16), param_get32ex(Cmd, 1, 0, 16), param_get32ex(Cmd, 2, 0, 16), data, len/2);
2763 }
2764
2765 int CmdHF14AMfAuth4(const char *cmd) {
2766 uint8_t keyn[20] = {0};
2767 int keynlen = 0;
2768 uint8_t key[16] = {0};
2769 int keylen = 0;
2770
2771 CLIParserInit("hf mf auth4",
2772 "Executes AES authentication command in ISO14443-4",
2773 "Usage:\n\thf mf auth4 4000 000102030405060708090a0b0c0d0e0f -> executes authentication\n"
2774 "\thf mf auth4 9003 FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF -> executes authentication\n");
2775
2776 void* argtable[] = {
2777 arg_param_begin,
2778 arg_str1(NULL, NULL, "<Key Num (HEX 2 bytes)>", NULL),
2779 arg_str1(NULL, NULL, "<Key Value (HEX 16 bytes)>", NULL),
2780 arg_param_end
2781 };
2782 CLIExecWithReturn(cmd, argtable, true);
2783
2784 CLIGetHexWithReturn(1, keyn, &keynlen);
2785 CLIGetHexWithReturn(2, key, &keylen);
2786 CLIParserFree();
2787
2788 if (keynlen != 2) {
2789 PrintAndLog("ERROR: <Key Num> must be 2 bytes long instead of: %d", keynlen);
2790 return 1;
2791 }
2792
2793 if (keylen != 16) {
2794 PrintAndLog("ERROR: <Key Value> must be 16 bytes long instead of: %d", keylen);
2795 return 1;
2796 }
2797
2798 return MifareAuth4(NULL, keyn, key, true, false, true);
2799 }
2800
2801 // https://www.nxp.com/docs/en/application-note/AN10787.pdf
2802 int CmdHF14AMfMAD(const char *cmd) {
2803
2804 CLIParserInit("hf mf mad",
2805 "Checks and prints Mifare Application Directory (MAD)",
2806 "Usage:\n\thf mf mad -> shows MAD if exists\n"
2807 "\thf mf mad -a 03e1 -k ffffffffffff -b -> shows NDEF data if exists. read card with custom key and key B\n");
2808
2809 void *argtable[] = {
2810 arg_param_begin,
2811 arg_lit0("vV", "verbose", "show technical data"),
2812 arg_str0("aA", "aid", "print all sectors with aid", NULL),
2813 arg_str0("kK", "key", "key for printing sectors", NULL),
2814 arg_lit0("bB", "keyb", "use key B for access printing sectors (by default: key A)"),
2815 arg_param_end
2816 };
2817 CLIExecWithReturn(cmd, argtable, true);
2818 bool verbose = arg_get_lit(1);
2819 uint8_t aid[2] = {0};
2820 int aidlen;
2821 CLIGetHexWithReturn(2, aid, &aidlen);
2822 uint8_t key[6] = {0};
2823 int keylen;
2824 CLIGetHexWithReturn(3, key, &keylen);
2825 bool keyB = arg_get_lit(4);
2826
2827 CLIParserFree();
2828
2829 if (aidlen != 2 && keylen > 0) {
2830 PrintAndLogEx(WARNING, "do not need a key without aid.");
2831 }
2832
2833 uint8_t sector0[16 * 4] = {0};
2834 uint8_t sector10[16 * 4] = {0};
2835 if (mfReadSector(MF_MAD1_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector0)) {
2836 PrintAndLogEx(ERR, "read sector 0 error. card don't have MAD or don't have MAD on default keys.");
2837 return 2;
2838 }
2839
2840 if (verbose) {
2841 for (int i = 0; i < 4; i ++)
2842 PrintAndLogEx(NORMAL, "[%d] %s", i, sprint_hex(&sector0[i * 16], 16));
2843 }
2844
2845 bool haveMAD2 = false;
2846 MAD1DecodeAndPrint(sector0, verbose, &haveMAD2);
2847
2848 if (haveMAD2) {
2849 if (mfReadSector(MF_MAD2_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector10)) {
2850 PrintAndLogEx(ERR, "read sector 0x10 error. card don't have MAD or don't have MAD on default keys.");
2851 return 2;
2852 }
2853
2854 MAD2DecodeAndPrint(sector10, verbose);
2855 }
2856
2857 if (aidlen == 2) {
2858 uint16_t aaid = (aid[0] << 8) + aid[1];
2859 PrintAndLogEx(NORMAL, "\n-------------- AID 0x%04x ---------------", aaid);
2860
2861 uint16_t mad[7 + 8 + 8 + 8 + 8] = {0};
2862 size_t madlen = 0;
2863 if (MADDecode(sector0, sector10, mad, &madlen)) {
2864 PrintAndLogEx(ERR, "can't decode mad.");
2865 return 10;
2866 }
2867
2868 uint8_t akey[6] = {0};
2869 memcpy(akey, g_mifare_ndef_key, 6);
2870 if (keylen == 6) {
2871 memcpy(akey, key, 6);
2872 }
2873
2874 for (int i = 0; i < madlen; i++) {
2875 if (aaid == mad[i]) {
2876 uint8_t vsector[16 * 4] = {0};
2877 if (mfReadSector(i + 1, keyB ? MF_KEY_B : MF_KEY_A, akey, vsector)) {
2878 PrintAndLogEx(NORMAL, "");
2879 PrintAndLogEx(ERR, "read sector %d error.", i + 1);
2880 return 2;
2881 }
2882
2883 for (int j = 0; j < (verbose ? 4 : 3); j ++)
2884 PrintAndLogEx(NORMAL, " [%03d] %s", (i + 1) * 4 + j, sprint_hex(&vsector[j * 16], 16));
2885 }
2886 }
2887 }
2888
2889 return 0;
2890 }
2891
2892 int CmdHFMFNDEF(const char *cmd) {
2893
2894 CLIParserInit("hf mf ndef",
2895 "Prints NFC Data Exchange Format (NDEF)",
2896 "Usage:\n\thf mf ndef -> shows NDEF data\n"
2897 "\thf mf ndef -a 03e1 -k ffffffffffff -b -> shows NDEF data with custom AID, key and with key B\n");
2898
2899 void *argtable[] = {
2900 arg_param_begin,
2901 arg_litn("vV", "verbose", 0, 2, "show technical data"),
2902 arg_str0("aA", "aid", "replace default aid for NDEF", NULL),
2903 arg_str0("kK", "key", "replace default key for NDEF", NULL),
2904 arg_lit0("bB", "keyb", "use key B for access sectors (by default: key A)"),
2905 arg_param_end
2906 };
2907 CLIExecWithReturn(cmd, argtable, true);
2908
2909 bool verbose = arg_get_lit(1);
2910 bool verbose2 = arg_get_lit(1) > 1;
2911 uint8_t aid[2] = {0};
2912 int aidlen;
2913 CLIGetHexWithReturn(2, aid, &aidlen);
2914 uint8_t key[6] = {0};
2915 int keylen;
2916 CLIGetHexWithReturn(3, key, &keylen);
2917 bool keyB = arg_get_lit(4);
2918
2919 CLIParserFree();
2920
2921 uint16_t ndefAID = 0x03e1;
2922 if (aidlen == 2)
2923 ndefAID = (aid[0] << 8) + aid[1];
2924
2925 uint8_t ndefkey[6] = {0};
2926 memcpy(ndefkey, g_mifare_ndef_key, 6);
2927 if (keylen == 6) {
2928 memcpy(ndefkey, key, 6);
2929 }
2930
2931 uint8_t sector0[16 * 4] = {0};
2932 uint8_t sector10[16 * 4] = {0};
2933 uint8_t data[4096] = {0};
2934 int datalen = 0;
2935
2936 PrintAndLogEx(NORMAL, "");
2937
2938 if (mfReadSector(MF_MAD1_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector0)) {
2939 PrintAndLogEx(ERR, "read sector 0 error. card don't have MAD or don't have MAD on default keys.");
2940 return 2;
2941 }
2942
2943 bool haveMAD2 = false;
2944 int res = MADCheck(sector0, NULL, verbose, &haveMAD2);
2945 if (res) {
2946 PrintAndLogEx(ERR, "MAD error %d.", res);
2947 return res;
2948 }
2949
2950 if (haveMAD2) {
2951 if (mfReadSector(MF_MAD2_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector10)) {
2952 PrintAndLogEx(ERR, "read sector 0x10 error. card don't have MAD or don't have MAD on default keys.");
2953 return 2;
2954 }
2955 }
2956
2957 uint16_t mad[7 + 8 + 8 + 8 + 8] = {0};
2958 size_t madlen = 0;
2959 if (MADDecode(sector0, (haveMAD2 ? sector10 : NULL), mad, &madlen)) {
2960 PrintAndLogEx(ERR, "can't decode mad.");
2961 return 10;
2962 }
2963
2964 printf("data reading:");
2965 for (int i = 0; i < madlen; i++) {
2966 if (ndefAID == mad[i]) {
2967 uint8_t vsector[16 * 4] = {0};
2968 if (mfReadSector(i + 1, keyB ? MF_KEY_B : MF_KEY_A, ndefkey, vsector)) {
2969 PrintAndLogEx(ERR, "read sector %d error.", i + 1);
2970 return 2;
2971 }
2972
2973 memcpy(&data[datalen], vsector, 16 * 3);
2974 datalen += 16 * 3;
2975
2976 printf(".");
2977 }
2978 }
2979 printf(" OK\n");
2980
2981 if (!datalen) {
2982 PrintAndLogEx(ERR, "no NDEF data.");
2983 return 11;
2984 }
2985
2986 if (verbose2) {
2987 PrintAndLogEx(NORMAL, "NDEF data:");
2988 dump_buffer(data, datalen, stdout, 1);
2989 }
2990
2991 NDEFDecodeAndPrint(data, datalen, verbose);
2992
2993 return 0;
2994 }
2995
2996 static command_t CommandTable[] =
2997 {
2998 {"help", CmdHelp, 1, "This help"},
2999 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
3000 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
3001 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
3002 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
3003 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
3004 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
3005 {"auth4", CmdHF14AMfAuth4, 0, "ISO14443-4 AES authentication"},
3006 {"chk", CmdHF14AMfChk, 0, "Test block keys"},
3007 {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},
3008 {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},
3009 {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
3010 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
3011 {"sim", CmdHF14AMfSim, 0, "Simulate MIFARE card"},
3012 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory"},
3013 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
3014 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
3015 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
3016 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
3017 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
3018 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
3019 {"cwipe", CmdHF14AMfCWipe, 0, "Wipe magic Chinese card"},
3020 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
3021 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
3022 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
3023 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
3024 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
3025 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
3026 {"decrypt", CmdDecryptTraceCmds, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
3027 {"mad", CmdHF14AMfMAD, 0, "Checks and prints MAD"},
3028 {"ndef", CmdHFMFNDEF, 0, "Prints NDEF records from card"},
3029 {NULL, NULL, 0, NULL}
3030 };
3031
3032 int CmdHFMF(const char *Cmd)
3033 {
3034 (void)WaitForResponseTimeout(CMD_ACK,NULL,100);
3035 CmdsParse(CommandTable, Cmd);
3036 return 0;
3037 }
3038
3039 int CmdHelp(const char *Cmd)
3040 {
3041 CmdsHelp(CommandTable);
3042 return 0;
3043 }
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