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CHG: the mifare Auth command can make use of a random nonce aswell.
[proxmark3-svn] / client / cmdhfmf.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2011,2012 Merlok
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // High frequency MIFARE commands
9 //-----------------------------------------------------------------------------
10
11 #include "cmdhfmf.h"
12
13 static int CmdHelp(const char *Cmd);
14 int usage_hf14_mifare(void){
15 PrintAndLog("Usage: hf mf mifare [h] <block number> <A|B>");
16 PrintAndLog("options:");
17 PrintAndLog(" h this help");
18 PrintAndLog(" <block number> (Optional) target other block");
19 PrintAndLog(" <A|B> (optional) target key type");
20 PrintAndLog("samples:");
21 PrintAndLog(" hf mf mifare");
22 PrintAndLog(" hf mf mifare 16");
23 PrintAndLog(" hf mf mifare 16 B");
24 return 0;
25 }
26 int usage_hf14_mf1ksim(void){
27 PrintAndLog("Usage: hf mf sim [h] u <uid (8,14,20 hex symbols)> n <numreads> i x");
28 PrintAndLog("options:");
29 PrintAndLog(" h this help");
30 PrintAndLog(" u (Optional) UID 4,7 or 10bytes. If not specified, the UID 4b from emulator memory will be used");
31 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
32 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
33 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
34 PrintAndLog(" e (Optional) Fill simulator keys from what we crack");
35 PrintAndLog(" v (Optional) Show maths used for cracking reader. Useful for debugging.");
36 PrintAndLog("samples:");
37 PrintAndLog(" hf mf sim u 0a0a0a0a");
38 PrintAndLog(" hf mf sim u 11223344556677");
39 PrintAndLog(" hf mf sim u 112233445566778899AA");
40 return 0;
41 }
42 int usage_hf14_dbg(void){
43 PrintAndLog("Usage: hf mf dbg [h] <debug level>");
44 PrintAndLog("options:");
45 PrintAndLog(" h this help");
46 PrintAndLog(" <debug level> (Optional) see list for valid levels");
47 PrintAndLog(" 0 - no debug messages");
48 PrintAndLog(" 1 - error messages");
49 PrintAndLog(" 2 - plus information messages");
50 PrintAndLog(" 3 - plus debug messages");
51 PrintAndLog(" 4 - print even debug messages in timing critical functions");
52 PrintAndLog(" Note: this option therefore may cause malfunction itself");
53 PrintAndLog("samples:");
54 PrintAndLog(" hf mf dbg 3");
55 return 0;
56 }
57 int usage_hf14_sniff(void){
58 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
59 PrintAndLog("Usage: hf mf sniff [h] [l] [d] [f]");
60 PrintAndLog("options:");
61 PrintAndLog(" h this help");
62 PrintAndLog(" l save encrypted sequence to logfile `uid.log`");
63 PrintAndLog(" d decrypt sequence and put it to log file `uid.log`");
64 // PrintAndLog(" n/a e decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
65 PrintAndLog(" f decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
66 PrintAndLog("sample:");
67 PrintAndLog(" hf mf sniff l d f");
68 return 0;
69 }
70 int usage_hf14_nested(void){
71 PrintAndLog("Usage:");
72 PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t,d]");
73 PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>");
74 PrintAndLog(" <target block number> <target key A/B> [t]");
75 PrintAndLog("options:");
76 PrintAndLog(" h this help");
77 PrintAndLog(" card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
78 PrintAndLog(" t transfer keys into emulator memory");
79 PrintAndLog(" d write keys to binary file");
80 PrintAndLog(" ");
81 PrintAndLog("samples:");
82 PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF ");
83 PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF t ");
84 PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF d ");
85 PrintAndLog(" hf mf nested o 0 A FFFFFFFFFFFF 4 A");
86 return 0;
87 }
88 int usage_hf14_hardnested(void){
89 PrintAndLog("Usage:");
90 PrintAndLog(" hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");
91 PrintAndLog(" <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");
92 PrintAndLog(" or hf mf hardnested r [known target key]");
93 PrintAndLog(" ");
94 PrintAndLog("options:");
95 PrintAndLog(" h this help");
96 PrintAndLog(" w acquire nonces and write them to binary file nonces.bin");
97 PrintAndLog(" s slower acquisition (required by some non standard cards)");
98 PrintAndLog(" r read nonces.bin and start attack");
99 PrintAndLog(" t tests?");
100 PrintAndLog(" ");
101 PrintAndLog("samples:");
102 PrintAndLog(" hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
103 PrintAndLog(" hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
104 PrintAndLog(" hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");
105 PrintAndLog(" hf mf hardnested r");
106 PrintAndLog(" hf mf hardnested r a0a1a2a3a4a5");
107 PrintAndLog(" ");
108 PrintAndLog("Add the known target key to check if it is present in the remaining key space:");
109 PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");
110 return 0;
111 }
112 int usage_hf14_chk(void){
113 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");
114 PrintAndLog("options:");
115 PrintAndLog(" h this help");
116 PrintAndLog(" * all sectors based on card memory, other values then below defaults to 1k");
117 PrintAndLog(" 0 - MINI(320 bytes)");
118 PrintAndLog(" 1 - 1K");
119 PrintAndLog(" 2 - 2K");
120 PrintAndLog(" 4 - 4K");
121 PrintAndLog(" d write keys to binary file");
122 PrintAndLog(" t write keys to emulator memory\n");
123 PrintAndLog(" ");
124 PrintAndLog("samples:");
125 PrintAndLog(" hf mf chk 0 A 1234567890ab keys.dic -- target block 0, Key A");
126 PrintAndLog(" hf mf chk *1 ? t -- target all blocks, all keys, 1K, write to emul");
127 PrintAndLog(" hf mf chk *1 ? d -- target all blocks, all keys, 1K, write to file");
128 return 0;
129 }
130 int usage_hf14_keybrute(void){
131 PrintAndLog("J_Run's 2nd phase of multiple sector nested authentication key recovery");
132 PrintAndLog("You have a known 4 last bytes of a key recovered with mf_nonce_brute tool.");
133 PrintAndLog("First 2 bytes of key will be bruteforced");
134 PrintAndLog("");
135 PrintAndLog("Usage: hf mf keybrute [h] <block number> <A|B> <key>");
136 PrintAndLog("options:");
137 PrintAndLog(" h this help");
138 PrintAndLog(" <block number> target block number");
139 PrintAndLog(" <A|B> target key type");
140 PrintAndLog(" <key> candidate key from mf_nonce_brute tool");
141 PrintAndLog("samples:");
142 PrintAndLog(" hf mf keybrute 1 A 000011223344");
143 return 0;
144 }
145
146 int CmdHF14AMifare(const char *Cmd) {
147 uint32_t uid = 0;
148 uint32_t nt = 0, nr = 0;
149 uint64_t par_list = 0, ks_list = 0, r_key = 0;
150 int16_t isOK = 0;
151 int tmpchar;
152 uint8_t blockNo = 0, keytype = MIFARE_AUTH_KEYA;
153
154 char cmdp = param_getchar(Cmd, 0);
155 if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_mifare();
156
157 blockNo = param_get8(Cmd, 0);
158
159 cmdp = param_getchar(Cmd, 1);
160 if (cmdp == 'B' || cmdp == 'b')
161 keytype = MIFARE_AUTH_KEYB;
162
163 UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, keytype}};
164
165 // message
166 printf("-------------------------------------------------------------------------\n");
167 printf("Executing darkside attack. Expected execution time: 25sec on average :-)\n");
168 printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");
169 printf("-------------------------------------------------------------------------\n");
170 clock_t t1 = clock();
171 time_t start, end;
172 time(&start);
173
174 start:
175 clearCommandBuffer();
176 SendCommand(&c);
177
178 //flush queue
179 while (ukbhit()) {
180 tmpchar = getchar();
181 (void)tmpchar;
182 }
183
184 // wait cycle
185 while (true) {
186 printf(".");
187 fflush(stdout);
188 if (ukbhit()) {
189 tmpchar = getchar();
190 (void)tmpchar;
191 printf("\naborted via keyboard!\n");
192 break;
193 }
194
195 UsbCommand resp;
196 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
197 isOK = resp.arg[0];
198 printf("\n");
199 uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);
200 nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);
201 par_list = bytes_to_num(resp.d.asBytes + 8, 8);
202 ks_list = bytes_to_num(resp.d.asBytes + 16, 8);
203 nr = bytes_to_num(resp.d.asBytes + 24, 4);
204
205 switch (isOK) {
206 case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;
207 case -2 : PrintAndLog("Card isn't vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;
208 case -3 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;
209 case -4 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
210 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;
211 default: ;
212 }
213 break;
214 }
215 }
216 printf("\n");
217 // error
218 if (isOK != 1) return 1;
219
220 if (par_list == 0 && ks_list != 0) {
221 // this special attack when parities is zero, uses checkkeys. Which now with block/keytype option also needs.
222 // but it uses 0|1 instead of 0x60|0x61...
223 if (nonce2key_ex(blockNo, keytype - 0x60 , uid, nt, nr, ks_list, &r_key) ){
224 PrintAndLog("Trying again with a different reader nonce...");
225 c.arg[0] = false;
226 goto start;
227 } else {
228 PrintAndLog("Found valid key: %012"llx" \n", r_key);
229 goto END;
230 }
231 }
232
233 // execute original function from util nonce2key
234 if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {
235 isOK = 2;
236 PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);
237 PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");
238 c.arg[0] = false;
239 goto start;
240 } else {
241
242 // nonce2key found a candidate key. Lets verify it.
243 uint8_t keyblock[] = {0,0,0,0,0,0};
244 num_to_bytes(r_key, 6, keyblock);
245 uint64_t key64 = 0;
246 int res = mfCheckKeys(blockNo, keytype - 0x60 , false, 1, keyblock, &key64);
247 if ( res > 0 ) {
248 PrintAndLog("Candidate Key found (%012"llx") - Test authentication failed. [%d] Restarting darkside attack", r_key, res);
249 goto start;
250 }
251 PrintAndLog("Found valid key: %012"llx" \n", r_key);
252 }
253 END:
254 t1 = clock() - t1;
255 time(&end);
256 unsigned long elapsed_time = difftime(end, start);
257 if ( t1 > 0 )
258 PrintAndLog("Time in darkside: %.0f ticks %u seconds\n", (float)t1, elapsed_time);
259 return 0;
260 }
261
262 int CmdHF14AMfWrBl(const char *Cmd) {
263 uint8_t blockNo = 0;
264 uint8_t keyType = 0;
265 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
266 uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
267
268 char cmdp = 0x00;
269
270 if (strlen(Cmd)<3) {
271 PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
272 PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
273 return 0;
274 }
275
276 blockNo = param_get8(Cmd, 0);
277 cmdp = param_getchar(Cmd, 1);
278 if (cmdp == 0x00) {
279 PrintAndLog("Key type must be A or B");
280 return 1;
281 }
282 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
283 if (param_gethex(Cmd, 2, key, 12)) {
284 PrintAndLog("Key must include 12 HEX symbols");
285 return 1;
286 }
287 if (param_gethex(Cmd, 3, bldata, 32)) {
288 PrintAndLog("Block data must include 32 HEX symbols");
289 return 1;
290 }
291 PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
292 PrintAndLog("--data: %s", sprint_hex(bldata, 16));
293
294 UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
295 memcpy(c.d.asBytes, key, 6);
296 memcpy(c.d.asBytes + 10, bldata, 16);
297 clearCommandBuffer();
298 SendCommand(&c);
299
300 UsbCommand resp;
301 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
302 uint8_t isOK = resp.arg[0] & 0xff;
303 PrintAndLog("isOk:%02x", isOK);
304 } else {
305 PrintAndLog("Command execute timeout");
306 }
307
308 return 0;
309 }
310
311 int CmdHF14AMfRdBl(const char *Cmd) {
312 uint8_t blockNo = 0;
313 uint8_t keyType = 0;
314 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
315
316 char cmdp = 0x00;
317
318
319 if (strlen(Cmd)<3) {
320 PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>");
321 PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
322 return 0;
323 }
324
325 blockNo = param_get8(Cmd, 0);
326 cmdp = param_getchar(Cmd, 1);
327 if (cmdp == 0x00) {
328 PrintAndLog("Key type must be A or B");
329 return 1;
330 }
331 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
332 if (param_gethex(Cmd, 2, key, 12)) {
333 PrintAndLog("Key must include 12 HEX symbols");
334 return 1;
335 }
336 PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
337
338 UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
339 memcpy(c.d.asBytes, key, 6);
340 clearCommandBuffer();
341 SendCommand(&c);
342
343 UsbCommand resp;
344 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
345 uint8_t isOK = resp.arg[0] & 0xff;
346 uint8_t *data = resp.d.asBytes;
347
348 if (isOK)
349 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
350 else
351 PrintAndLog("isOk:%02x", isOK);
352 } else {
353 PrintAndLog("Command execute timeout");
354 }
355
356 return 0;
357 }
358
359 int CmdHF14AMfRdSc(const char *Cmd) {
360 int i;
361 uint8_t sectorNo = 0;
362 uint8_t keyType = 0;
363 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
364 uint8_t isOK = 0;
365 uint8_t *data = NULL;
366 char cmdp = 0x00;
367
368 if (strlen(Cmd)<3) {
369 PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>");
370 PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
371 return 0;
372 }
373
374 sectorNo = param_get8(Cmd, 0);
375 if (sectorNo > 39) {
376 PrintAndLog("Sector number must be less than 40");
377 return 1;
378 }
379 cmdp = param_getchar(Cmd, 1);
380 if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
381 PrintAndLog("Key type must be A or B");
382 return 1;
383 }
384 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
385 if (param_gethex(Cmd, 2, key, 12)) {
386 PrintAndLog("Key must include 12 HEX symbols");
387 return 1;
388 }
389 PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
390
391 UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
392 memcpy(c.d.asBytes, key, 6);
393 clearCommandBuffer();
394 SendCommand(&c);
395 PrintAndLog(" ");
396
397 UsbCommand resp;
398 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
399 isOK = resp.arg[0] & 0xff;
400 data = resp.d.asBytes;
401
402 PrintAndLog("isOk:%02x", isOK);
403 if (isOK) {
404 for (i = 0; i < (sectorNo<32?3:15); i++) {
405 PrintAndLog("data : %s", sprint_hex(data + i * 16, 16));
406 }
407 PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
408 }
409 } else {
410 PrintAndLog("Command execute timeout");
411 }
412
413 return 0;
414 }
415
416 uint8_t FirstBlockOfSector(uint8_t sectorNo) {
417 if (sectorNo < 32) {
418 return sectorNo * 4;
419 } else {
420 return 32 * 4 + (sectorNo - 32) * 16;
421 }
422 }
423
424 uint8_t NumBlocksPerSector(uint8_t sectorNo) {
425 if (sectorNo < 32) {
426 return 4;
427 } else {
428 return 16;
429 }
430 }
431
432 int CmdHF14AMfDump(const char *Cmd) {
433 uint8_t sectorNo, blockNo;
434
435 uint8_t keyA[40][6];
436 uint8_t keyB[40][6];
437 uint8_t rights[40][4];
438 uint8_t carddata[256][16];
439 uint8_t numSectors = 16;
440
441 FILE *fin;
442 FILE *fout;
443
444 UsbCommand resp;
445
446 char cmdp = param_getchar(Cmd, 0);
447 switch (cmdp) {
448 case '0' : numSectors = 5; break;
449 case '1' :
450 case '\0': numSectors = 16; break;
451 case '2' : numSectors = 32; break;
452 case '4' : numSectors = 40; break;
453 default: numSectors = 16;
454 }
455
456 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
457 PrintAndLog("Usage: hf mf dump [card memory]");
458 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
459 PrintAndLog("");
460 PrintAndLog("Samples: hf mf dump");
461 PrintAndLog(" hf mf dump 4");
462 return 0;
463 }
464
465 if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
466 PrintAndLog("Could not find file dumpkeys.bin");
467 return 1;
468 }
469
470 // Read keys A from file
471 size_t bytes_read;
472 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
473 bytes_read = fread( keyA[sectorNo], 1, 6, fin );
474 if ( bytes_read == 0) {
475 PrintAndLog("File reading error.");
476 fclose(fin);
477 fin = NULL;
478 return 2;
479 }
480 }
481
482 // Read keys B from file
483 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
484 bytes_read = fread( keyB[sectorNo], 1, 6, fin );
485 if ( bytes_read == 0) {
486 PrintAndLog("File reading error.");
487 fclose(fin);
488 fin = NULL;
489 return 2;
490 }
491 }
492
493 fclose(fin);
494 fin = NULL;
495
496 PrintAndLog("|-----------------------------------------|");
497 PrintAndLog("|------ Reading sector access bits...-----|");
498 PrintAndLog("|-----------------------------------------|");
499
500 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
501 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
502 memcpy(c.d.asBytes, keyA[sectorNo], 6);
503 clearCommandBuffer();
504 SendCommand(&c);
505
506 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
507 uint8_t isOK = resp.arg[0] & 0xff;
508 uint8_t *data = resp.d.asBytes;
509 if (isOK){
510 rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0
511 rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1
512 rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2
513 rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer
514 } else {
515 PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
516 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
517 rights[sectorNo][3] = 0x01;
518 }
519 } else {
520 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
521 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
522 rights[sectorNo][3] = 0x01;
523 }
524 }
525
526 PrintAndLog("|-----------------------------------------|");
527 PrintAndLog("|----- Dumping all blocks to file... -----|");
528 PrintAndLog("|-----------------------------------------|");
529
530 bool isOK = true;
531 for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
532 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
533 bool received = false;
534
535 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A.
536 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
537 memcpy(c.d.asBytes, keyA[sectorNo], 6);
538 clearCommandBuffer();
539 SendCommand(&c);
540 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
541 } else { // data block. Check if it can be read with key A or key B
542 uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
543 if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work
544 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
545 memcpy(c.d.asBytes, keyB[sectorNo], 6);
546 SendCommand(&c);
547 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
548 } else if (rights[sectorNo][data_area] == 0x07) { // no key would work
549 isOK = false;
550 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
551 } else { // key A would work
552 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
553 memcpy(c.d.asBytes, keyA[sectorNo], 6);
554 clearCommandBuffer();
555 SendCommand(&c);
556 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
557 }
558 }
559
560 if (received) {
561 isOK = resp.arg[0] & 0xff;
562 uint8_t *data = resp.d.asBytes;
563 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys.
564 data[0] = (keyA[sectorNo][0]);
565 data[1] = (keyA[sectorNo][1]);
566 data[2] = (keyA[sectorNo][2]);
567 data[3] = (keyA[sectorNo][3]);
568 data[4] = (keyA[sectorNo][4]);
569 data[5] = (keyA[sectorNo][5]);
570 data[10] = (keyB[sectorNo][0]);
571 data[11] = (keyB[sectorNo][1]);
572 data[12] = (keyB[sectorNo][2]);
573 data[13] = (keyB[sectorNo][3]);
574 data[14] = (keyB[sectorNo][4]);
575 data[15] = (keyB[sectorNo][5]);
576 }
577 if (isOK) {
578 memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
579 PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
580 } else {
581 PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
582 break;
583 }
584 }
585 else {
586 isOK = false;
587 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
588 break;
589 }
590 }
591 }
592
593 if (isOK) {
594 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
595 PrintAndLog("Could not create file name dumpdata.bin");
596 return 1;
597 }
598 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
599 fwrite(carddata, 1, 16*numblocks, fout);
600 fclose(fout);
601 fout = NULL;
602 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
603 }
604
605 return 0;
606 }
607
608 int CmdHF14AMfRestore(const char *Cmd) {
609 uint8_t sectorNo,blockNo;
610 uint8_t keyType = 0;
611 uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
612 uint8_t bldata[16] = {0x00};
613 uint8_t keyA[40][6];
614 uint8_t keyB[40][6];
615 uint8_t numSectors;
616
617 FILE *fdump;
618 FILE *fkeys;
619
620 char cmdp = param_getchar(Cmd, 0);
621 switch (cmdp) {
622 case '0' : numSectors = 5; break;
623 case '1' :
624 case '\0': numSectors = 16; break;
625 case '2' : numSectors = 32; break;
626 case '4' : numSectors = 40; break;
627 default: numSectors = 16;
628 }
629
630 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
631 PrintAndLog("Usage: hf mf restore [card memory]");
632 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
633 PrintAndLog("");
634 PrintAndLog("Samples: hf mf restore");
635 PrintAndLog(" hf mf restore 4");
636 return 0;
637 }
638
639 if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
640 PrintAndLog("Could not find file dumpkeys.bin");
641 return 1;
642 }
643
644 size_t bytes_read;
645 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
646 bytes_read = fread( keyA[sectorNo], 1, 6, fkeys );
647 if ( bytes_read == 0) {
648 PrintAndLog("File reading error (dumpkeys.bin).");
649 fclose(fkeys);
650 fkeys = NULL;
651 return 2;
652 }
653 }
654
655 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
656 bytes_read = fread( keyB[sectorNo], 1, 6, fkeys );
657 if ( bytes_read == 0) {
658 PrintAndLog("File reading error (dumpkeys.bin).");
659 fclose(fkeys);
660 fkeys = NULL;
661 return 2;
662 }
663 }
664
665 fclose(fkeys);
666
667 if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
668 PrintAndLog("Could not find file dumpdata.bin");
669 return 1;
670 }
671 PrintAndLog("Restoring dumpdata.bin to card");
672
673 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
674 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
675 UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
676 memcpy(c.d.asBytes, key, 6);
677 bytes_read = fread(bldata, 1, 16, fdump);
678 if ( bytes_read == 0) {
679 PrintAndLog("File reading error (dumpdata.bin).");
680 fclose(fdump);
681 fdump = NULL;
682 return 2;
683 }
684
685 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer
686 bldata[0] = (keyA[sectorNo][0]);
687 bldata[1] = (keyA[sectorNo][1]);
688 bldata[2] = (keyA[sectorNo][2]);
689 bldata[3] = (keyA[sectorNo][3]);
690 bldata[4] = (keyA[sectorNo][4]);
691 bldata[5] = (keyA[sectorNo][5]);
692 bldata[10] = (keyB[sectorNo][0]);
693 bldata[11] = (keyB[sectorNo][1]);
694 bldata[12] = (keyB[sectorNo][2]);
695 bldata[13] = (keyB[sectorNo][3]);
696 bldata[14] = (keyB[sectorNo][4]);
697 bldata[15] = (keyB[sectorNo][5]);
698 }
699
700 PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
701
702 memcpy(c.d.asBytes + 10, bldata, 16);
703 clearCommandBuffer();
704 SendCommand(&c);
705
706 UsbCommand resp;
707 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
708 uint8_t isOK = resp.arg[0] & 0xff;
709 PrintAndLog("isOk:%02x", isOK);
710 } else {
711 PrintAndLog("Command execute timeout");
712 }
713 }
714 }
715
716 fclose(fdump);
717 fdump = NULL;
718 return 0;
719 }
720
721 int CmdHF14AMfNested(const char *Cmd) {
722 int i, j, res, iterations;
723 sector *e_sector = NULL;
724 uint8_t blockNo = 0;
725 uint8_t keyType = 0;
726 uint8_t trgBlockNo = 0;
727 uint8_t trgKeyType = 0;
728 uint8_t SectorsCnt = 0;
729 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
730 uint8_t keyBlock[6*6];
731 uint64_t key64 = 0;
732 bool transferToEml = false;
733
734 bool createDumpFile = false;
735 FILE *fkeys;
736 uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
737 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
738
739 if (strlen(Cmd)<3) return usage_hf14_nested();
740
741 char cmdp, ctmp;
742 cmdp = param_getchar(Cmd, 0);
743 blockNo = param_get8(Cmd, 1);
744 ctmp = param_getchar(Cmd, 2);
745
746 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
747 PrintAndLog("Key type must be A or B");
748 return 1;
749 }
750
751 if (ctmp != 'A' && ctmp != 'a')
752 keyType = 1;
753
754 if (param_gethex(Cmd, 3, key, 12)) {
755 PrintAndLog("Key must include 12 HEX symbols");
756 return 1;
757 }
758
759 if (cmdp == 'o' || cmdp == 'O') {
760 cmdp = 'o';
761 trgBlockNo = param_get8(Cmd, 4);
762 ctmp = param_getchar(Cmd, 5);
763 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
764 PrintAndLog("Target key type must be A or B");
765 return 1;
766 }
767 if (ctmp != 'A' && ctmp != 'a')
768 trgKeyType = 1;
769 } else {
770
771 switch (cmdp) {
772 case '0': SectorsCnt = 05; break;
773 case '1': SectorsCnt = 16; break;
774 case '2': SectorsCnt = 32; break;
775 case '4': SectorsCnt = 40; break;
776 default: SectorsCnt = 16;
777 }
778 }
779
780 ctmp = param_getchar(Cmd, 4);
781 if (ctmp == 't' || ctmp == 'T') transferToEml = true;
782 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true;
783
784 ctmp = param_getchar(Cmd, 6);
785 transferToEml |= (ctmp == 't' || ctmp == 'T');
786 transferToEml |= (ctmp == 'd' || ctmp == 'D');
787
788 if (cmdp == 'o') {
789 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
790 switch (isOK) {
791 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
792 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
793 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break;
794 case -4 : PrintAndLog("No valid key found"); break;
795 case -5 :
796 key64 = bytes_to_num(keyBlock, 6);
797
798 // transfer key to the emulator
799 if (transferToEml) {
800 uint8_t sectortrailer;
801 if (trgBlockNo < 32*4) { // 4 block sector
802 sectortrailer = (trgBlockNo & 0x03) + 3;
803 } else { // 16 block sector
804 sectortrailer = (trgBlockNo & 0x0f) + 15;
805 }
806 mfEmlGetMem(keyBlock, sectortrailer, 1);
807
808 if (!trgKeyType)
809 num_to_bytes(key64, 6, keyBlock);
810 else
811 num_to_bytes(key64, 6, &keyBlock[10]);
812 mfEmlSetMem(keyBlock, sectortrailer, 1);
813 }
814 return 0;
815 default : PrintAndLog("Unknown Error.\n");
816 }
817 return 2;
818 }
819 else { // ------------------------------------ multiple sectors working
820 clock_t t1 = clock();
821 unsigned long elapsed_time;
822 time_t start, end;
823 time(&start);
824
825 e_sector = calloc(SectorsCnt, sizeof(sector));
826 if (e_sector == NULL) return 1;
827
828 //test current key and additional standard keys first
829 memcpy(keyBlock, key, 6);
830 num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6));
831 num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6));
832 num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6));
833 num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6));
834 num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6));
835
836 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
837 for (i = 0; i < SectorsCnt; i++) {
838 for (j = 0; j < 2; j++) {
839 if (e_sector[i].foundKey[j]) continue;
840
841 res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64);
842
843 if (!res) {
844 e_sector[i].Key[j] = key64;
845 e_sector[i].foundKey[j] = TRUE;
846 }
847 }
848 }
849 clock_t t2 = clock() - t1;
850 time(&end);
851 elapsed_time = difftime(end, start);
852 if ( t2 > 0 )
853 PrintAndLog("Time to check 6 known keys: %.0f ticks %u seconds\n", (float)t2 , elapsed_time);
854
855 PrintAndLog("enter nested...");
856
857 // nested sectors
858 iterations = 0;
859 bool calibrate = true;
860
861 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
862 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; ++sectorNo) {
863 for (trgKeyType = 0; trgKeyType < 2; ++trgKeyType) {
864
865 if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
866
867 int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
868 switch (isOK) {
869 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
870 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
871 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break;
872 case -4 : //key not found
873 calibrate = false;
874 iterations++;
875 continue;
876 case -5 :
877 calibrate = false;
878 iterations++;
879 e_sector[sectorNo].foundKey[trgKeyType] = 1;
880 e_sector[sectorNo].Key[trgKeyType] = bytes_to_num(keyBlock, 6);
881 continue;
882
883 default : PrintAndLog("Unknown Error.\n");
884 }
885 free(e_sector);
886 return 2;
887 }
888 }
889 }
890
891 t1 = clock() - t1;
892 time(&end);
893 elapsed_time = difftime(end, start);
894 if ( t1 > 0 )
895 PrintAndLog("Time in nested: %.0f ticks %u seconds\n", (float)t1, elapsed_time);
896
897
898 // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag?
899 PrintAndLog("trying to read key B...");
900 for (i = 0; i < SectorsCnt; i++) {
901 // KEY A but not KEY B
902 if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {
903
904 uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
905
906 PrintAndLog("Reading block %d", sectrail);
907
908 UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};
909 num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A
910 clearCommandBuffer();
911 SendCommand(&c);
912
913 UsbCommand resp;
914 if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;
915
916 uint8_t isOK = resp.arg[0] & 0xff;
917 if (!isOK) continue;
918
919 uint8_t *data = resp.d.asBytes;
920 key64 = bytes_to_num(data+10, 6);
921 if (key64) {
922 PrintAndLog("Data:%s", sprint_hex(data+10, 6));
923 e_sector[i].foundKey[1] = TRUE;
924 e_sector[i].Key[1] = key64;
925 }
926 }
927 }
928
929
930 //print them
931 printKeyTable( SectorsCnt, e_sector );
932
933 // transfer them to the emulator
934 if (transferToEml) {
935 for (i = 0; i < SectorsCnt; i++) {
936 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
937 if (e_sector[i].foundKey[0])
938 num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
939 if (e_sector[i].foundKey[1])
940 num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
941 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
942 }
943 }
944
945 // Create dump file
946 if (createDumpFile) {
947 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
948 PrintAndLog("Could not create file dumpkeys.bin");
949 free(e_sector);
950 return 1;
951 }
952 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
953 for(i=0; i<SectorsCnt; i++) {
954 if (e_sector[i].foundKey[0]){
955 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
956 fwrite ( tempkey, 1, 6, fkeys );
957 }
958 else{
959 fwrite ( &standart, 1, 6, fkeys );
960 }
961 }
962 for(i=0; i<SectorsCnt; i++) {
963 if (e_sector[i].foundKey[1]){
964 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
965 fwrite ( tempkey, 1, 6, fkeys );
966 }
967 else{
968 fwrite ( &standart, 1, 6, fkeys );
969 }
970 }
971 fclose(fkeys);
972 }
973
974 free(e_sector);
975 }
976 return 0;
977 }
978
979 int CmdHF14AMfNestedHard(const char *Cmd) {
980 uint8_t blockNo = 0;
981 uint8_t keyType = 0;
982 uint8_t trgBlockNo = 0;
983 uint8_t trgKeyType = 0;
984 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
985 uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};
986
987 char ctmp;
988 ctmp = param_getchar(Cmd, 0);
989 if (ctmp == 'H' || ctmp == 'h' ) return usage_hf14_hardnested();
990 if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) return usage_hf14_hardnested();
991
992 bool know_target_key = false;
993 bool nonce_file_read = false;
994 bool nonce_file_write = false;
995 bool slow = false;
996 int tests = 0;
997
998 if (ctmp == 'R' || ctmp == 'r') {
999 nonce_file_read = true;
1000 if (!param_gethex(Cmd, 1, trgkey, 12)) {
1001 know_target_key = true;
1002 }
1003 } else if (ctmp == 'T' || ctmp == 't') {
1004 tests = param_get32ex(Cmd, 1, 100, 10);
1005 } else {
1006 blockNo = param_get8(Cmd, 0);
1007 ctmp = param_getchar(Cmd, 1);
1008 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1009 PrintAndLog("Key type must be A or B");
1010 return 1;
1011 }
1012 if (ctmp != 'A' && ctmp != 'a') {
1013 keyType = 1;
1014 }
1015
1016 if (param_gethex(Cmd, 2, key, 12)) {
1017 PrintAndLog("Key must include 12 HEX symbols");
1018 return 1;
1019 }
1020
1021 trgBlockNo = param_get8(Cmd, 3);
1022 ctmp = param_getchar(Cmd, 4);
1023 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1024 PrintAndLog("Target key type must be A or B");
1025 return 1;
1026 }
1027 if (ctmp != 'A' && ctmp != 'a') {
1028 trgKeyType = 1;
1029 }
1030
1031 uint16_t i = 5;
1032
1033 if (!param_gethex(Cmd, 5, trgkey, 12)) {
1034 know_target_key = true;
1035 i++;
1036 }
1037
1038 while ((ctmp = param_getchar(Cmd, i))) {
1039 if (ctmp == 's' || ctmp == 'S') {
1040 slow = true;
1041 } else if (ctmp == 'w' || ctmp == 'W') {
1042 nonce_file_write = true;
1043 } else {
1044 PrintAndLog("Possible options are w and/or s");
1045 return 1;
1046 }
1047 i++;
1048 }
1049 }
1050
1051 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 ",
1052 trgBlockNo,
1053 trgKeyType?'B':'A',
1054 trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],
1055 know_target_key ? "" : " (not set)",
1056 nonce_file_write ? "write": nonce_file_read ? "read" : "none",
1057 slow ? "Yes" : "No",
1058 tests);
1059
1060 uint64_t foundkey = 0;
1061 int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key ? trgkey : NULL, nonce_file_read, nonce_file_write, slow, tests, &foundkey);
1062
1063 if (isOK) {
1064 switch (isOK) {
1065 case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
1066 case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;
1067 default : break;
1068 }
1069 return 2;
1070 }
1071
1072 return 0;
1073 }
1074
1075 int CmdHF14AMfChk(const char *Cmd) {
1076
1077 if (strlen(Cmd)<3) return usage_hf14_chk();
1078
1079 FILE * f;
1080 char filename[FILE_PATH_SIZE]={0};
1081 char buf[13];
1082 uint8_t *keyBlock = NULL, *p;
1083 uint8_t stKeyBlock = 20;
1084
1085 sector *e_sector = NULL;
1086
1087 int i, res;
1088 int keycnt = 0;
1089 char ctmp = 0x00;
1090 uint8_t blockNo = 0;
1091 uint8_t SectorsCnt = 1;
1092 uint8_t keyType = 0;
1093 uint64_t key64 = 0;
1094
1095 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
1096
1097 int transferToEml = 0;
1098 int createDumpFile = 0;
1099
1100 keyBlock = calloc(stKeyBlock, 6);
1101 if (keyBlock == NULL) return 1;
1102
1103 uint64_t defaultKeys[] = {
1104 0xffffffffffff, // Default key (first key used by program if no user defined key)
1105 0x000000000000, // Blank key
1106 0xa0a1a2a3a4a5, // NFCForum MAD key
1107 0xb0b1b2b3b4b5,
1108 0xaabbccddeeff,
1109 0x4d3a99c351dd,
1110 0x1a982c7e459a,
1111 0xd3f7d3f7d3f7,
1112 0x714c5c886e97,
1113 0x587ee5f9350f,
1114 0xa0478cc39091,
1115 0x533cb6c723f6,
1116 0x8fd0a4f256e9
1117 };
1118 int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);
1119
1120 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)
1121 num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
1122
1123
1124 if (param_getchar(Cmd, 0)=='*') {
1125 blockNo = 3;
1126 switch(param_getchar(Cmd+1, 0)) {
1127 case '0': SectorsCnt = 5; break;
1128 case '1': SectorsCnt = 16; break;
1129 case '2': SectorsCnt = 32; break;
1130 case '4': SectorsCnt = 40; break;
1131 default: SectorsCnt = 16;
1132 }
1133 } else {
1134 blockNo = param_get8(Cmd, 0);
1135 }
1136
1137 ctmp = param_getchar(Cmd, 1);
1138 switch (ctmp) {
1139 case 'a': case 'A':
1140 keyType = !0;
1141 break;
1142 case 'b': case 'B':
1143 keyType = !1;
1144 break;
1145 case '?':
1146 keyType = 2;
1147 break;
1148 default:
1149 PrintAndLog("Key type must be A , B or ?");
1150 free(keyBlock);
1151 return 1;
1152 };
1153
1154 ctmp = param_getchar(Cmd, 2);
1155 if (ctmp == 't' || ctmp == 'T') transferToEml = 1;
1156 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;
1157
1158 for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {
1159 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
1160 if ( stKeyBlock - keycnt < 2) {
1161 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1162 if (!p) {
1163 PrintAndLog("Cannot allocate memory for Keys");
1164 free(keyBlock);
1165 return 2;
1166 }
1167 keyBlock = p;
1168 }
1169 PrintAndLog("key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1170 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1171 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1172 keycnt++;
1173 } else {
1174 // May be a dic file
1175 if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {
1176 PrintAndLog("File name too long");
1177 free(keyBlock);
1178 return 2;
1179 }
1180
1181 if ( (f = fopen( filename , "r")) ) {
1182 while( fgets(buf, sizeof(buf), f) ){
1183 if (strlen(buf) < 12 || buf[11] == '\n')
1184 continue;
1185
1186 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1187
1188 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
1189
1190 if (!isxdigit(buf[0])){
1191 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
1192 continue;
1193 }
1194
1195 buf[12] = 0;
1196
1197 if ( stKeyBlock - keycnt < 2) {
1198 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1199 if (!p) {
1200 PrintAndLog("Cannot allocate memory for defKeys");
1201 free(keyBlock);
1202 fclose(f);
1203 return 2;
1204 }
1205 keyBlock = p;
1206 }
1207 memset(keyBlock + 6 * keycnt, 0, 6);
1208 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
1209 PrintAndLog("check key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
1210 keycnt++;
1211 memset(buf, 0, sizeof(buf));
1212 }
1213 fclose(f);
1214 } else {
1215 PrintAndLog("File: %s: not found or locked.", filename);
1216 free(keyBlock);
1217 return 1;
1218
1219 }
1220 }
1221 }
1222
1223 if (keycnt == 0) {
1224 PrintAndLog("No key specified, trying default keys");
1225 for (;keycnt < defaultKeysSize; keycnt++)
1226 PrintAndLog("key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1227 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1228 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1229 }
1230
1231 // initialize storage for found keys
1232 e_sector = calloc(SectorsCnt, sizeof(sector));
1233 if (e_sector == NULL) {
1234 free(keyBlock);
1235 return 1;
1236 }
1237
1238 // empty e_sector
1239 for(int i = 0; i < SectorsCnt; ++i){
1240 e_sector[i].Key[0] = 0xffffffffffff;
1241 e_sector[i].Key[1] = 0xffffffffffff;
1242 e_sector[i].foundKey[0] = FALSE;
1243 e_sector[i].foundKey[1] = FALSE;
1244 }
1245
1246
1247 uint8_t trgKeyType = 0;
1248 uint32_t max_keys = keycnt > (USB_CMD_DATA_SIZE/6) ? (USB_CMD_DATA_SIZE/6) : keycnt;
1249
1250 // time
1251 clock_t t1 = clock();
1252 time_t start, end;
1253 time(&start);
1254
1255 // check keys.
1256 for (trgKeyType = !keyType; trgKeyType < 2; (keyType==2) ? (++trgKeyType) : (trgKeyType=2) ) {
1257
1258 int b = blockNo;
1259 for (int i = 0; i < SectorsCnt; ++i) {
1260
1261 // skip already found keys.
1262 if (e_sector[i].foundKey[trgKeyType]) continue;
1263
1264 for (uint32_t c = 0; c < keycnt; c += max_keys) {
1265 printf(".");
1266 fflush(stdout);
1267 uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;
1268
1269 res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64);
1270 if (!res) {
1271 e_sector[i].Key[trgKeyType] = key64;
1272 e_sector[i].foundKey[trgKeyType] = TRUE;
1273 break;
1274 }
1275 }
1276 b < 127 ? ( b +=4 ) : ( b += 16 );
1277 }
1278 }
1279 t1 = clock() - t1;
1280 time(&end);
1281 unsigned long elapsed_time = difftime(end, start);
1282 if ( t1 > 0 )
1283 PrintAndLog("\nTime in checkkeys: %.0f ticks %u seconds\n", (float)t1, elapsed_time);
1284
1285
1286 // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag?
1287 if ( keyType != 1 ) {
1288 PrintAndLog("testing to read key B...");
1289 for (i = 0; i < SectorsCnt; i++) {
1290 // KEY A but not KEY B
1291 if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {
1292
1293 uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1294
1295 PrintAndLog("Reading block %d", sectrail);
1296
1297 UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};
1298 num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A
1299 clearCommandBuffer();
1300 SendCommand(&c);
1301
1302 UsbCommand resp;
1303 if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;
1304
1305 uint8_t isOK = resp.arg[0] & 0xff;
1306 if (!isOK) continue;
1307
1308 uint8_t *data = resp.d.asBytes;
1309 key64 = bytes_to_num(data+10, 6);
1310 if (key64) {
1311 PrintAndLog("Data:%s", sprint_hex(data+10, 6));
1312 e_sector[i].foundKey[1] = 1;
1313 e_sector[i].Key[1] = key64;
1314 }
1315 }
1316 }
1317 }
1318
1319
1320 //print them
1321 printKeyTable( SectorsCnt, e_sector );
1322
1323 if (transferToEml) {
1324 uint8_t block[16] = {0x00};
1325 for (uint8_t i = 0; i < SectorsCnt; ++i ) {
1326 mfEmlGetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
1327 if (e_sector[i].foundKey[0])
1328 num_to_bytes(e_sector[i].Key[0], 6, block);
1329 if (e_sector[i].foundKey[1])
1330 num_to_bytes(e_sector[i].Key[1], 6, block+10);
1331 mfEmlSetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
1332 }
1333 PrintAndLog("Found keys have been transferred to the emulator memory");
1334 }
1335
1336 if (createDumpFile) {
1337 FILE *fkeys = fopen("dumpkeys.bin","wb");
1338 if (fkeys == NULL) {
1339 PrintAndLog("Could not create file dumpkeys.bin");
1340 free(keyBlock);
1341 free(e_sector);
1342 return 1;
1343 }
1344 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
1345
1346 for( i=0; i<SectorsCnt; i++) {
1347 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
1348 fwrite ( tempkey, 1, 6, fkeys );
1349 }
1350 for(i=0; i<SectorsCnt; i++) {
1351 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
1352 fwrite ( tempkey, 1, 6, fkeys );
1353 }
1354 fclose(fkeys);
1355 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1356 }
1357
1358 free(keyBlock);
1359 free(e_sector);
1360 PrintAndLog("");
1361 return 0;
1362 }
1363 #define ATTACK_KEY_COUNT 8
1364 sector *k_sector = NULL;
1365 uint8_t k_sectorsCount = 16;
1366 void readerAttack(nonces_t data[], bool setEmulatorMem, bool verbose) {
1367
1368 // initialize storage for found keys
1369 if (k_sector == NULL)
1370 k_sector = calloc(k_sectorsCount, sizeof(sector));
1371 if (k_sector == NULL)
1372 return;
1373
1374 uint64_t key = 0;
1375
1376 // empty e_sector
1377 for(int i = 0; i < k_sectorsCount; ++i){
1378 k_sector[i].Key[0] = 0xffffffffffff;
1379 k_sector[i].Key[1] = 0xffffffffffff;
1380 k_sector[i].foundKey[0] = FALSE;
1381 k_sector[i].foundKey[1] = FALSE;
1382 }
1383
1384 printf("enter reader attack\n");
1385 for (uint8_t i = 0; i < ATTACK_KEY_COUNT; ++i) {
1386 if (data[i].ar2 > 0) {
1387
1388 // We can probably skip this, mfkey32v2 is more reliable.
1389 #ifdef HFMF_TRYMFK32
1390 if (tryMfk32(data[i], &key, verbose)) {
1391 PrintAndLog("Found Key%s for sector %02d: [%012"llx"]"
1392 , (data[i].keytype) ? "B" : "A"
1393 , data[i].sector
1394 , key
1395 );
1396
1397 k_sector[i].Key[data[i].keytype] = key;
1398 k_sector[i].foundKey[data[i].keytype] = TRUE;
1399
1400 //set emulator memory for keys
1401 if (setEmulatorMem) {
1402 uint8_t memBlock[16] = {0,0,0,0,0,0, 0xff, 0x0F, 0x80, 0x69, 0,0,0,0,0,0};
1403 num_to_bytes( k_sector[i].Key[0], 6, memBlock);
1404 num_to_bytes( k_sector[i].Key[1], 6, memBlock+10);
1405 PrintAndLog("Setting Emulator Memory Block %02d: [%s]"
1406 , ((data[i].sector)*4) + 3
1407 , sprint_hex( memBlock, sizeof(memBlock))
1408 );
1409 mfEmlSetMem( memBlock, ((data[i].sector)*4) + 3, 1);
1410 }
1411 continue;
1412 }
1413 #endif
1414 //moebius attack
1415 if (tryMfk32_moebius(data[i+ATTACK_KEY_COUNT], &key, verbose)) {
1416 uint8_t sectorNum = data[i+ATTACK_KEY_COUNT].sector;
1417 uint8_t keyType = data[i+ATTACK_KEY_COUNT].keytype;
1418
1419 PrintAndLog("M-Found Key%s for sector %02d: [%012"llx"]"
1420 , keyType ? "B" : "A"
1421 , sectorNum
1422 , key
1423 );
1424
1425 k_sector[sectorNum].Key[keyType] = key;
1426 k_sector[sectorNum].foundKey[keyType] = TRUE;
1427
1428 //set emulator memory for keys
1429 if (setEmulatorMem) {
1430 uint8_t memBlock[16] = {0,0,0,0,0,0, 0xff, 0x0F, 0x80, 0x69, 0,0,0,0,0,0};
1431 num_to_bytes( k_sector[sectorNum].Key[0], 6, memBlock);
1432 num_to_bytes( k_sector[sectorNum].Key[1], 6, memBlock+10);
1433 PrintAndLog("Setting Emulator Memory Block %02d: [%s]"
1434 , (sectorNum*4) + 3
1435 , sprint_hex( memBlock, sizeof(memBlock))
1436 );
1437 mfEmlSetMem( memBlock, (sectorNum*4) + 3, 1);
1438 }
1439 continue;
1440 }
1441
1442 }
1443 }
1444 }
1445
1446 int CmdHF14AMf1kSim(const char *Cmd) {
1447
1448 uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
1449 uint8_t exitAfterNReads = 0;
1450 uint8_t flags = (FLAG_UID_IN_EMUL | FLAG_4B_UID_IN_DATA);
1451 int uidlen = 0;
1452 bool setEmulatorMem = false;
1453 uint8_t cmdp = 0;
1454 bool errors = false;
1455
1456 // If set to true, we should show our workings when doing NR_AR_ATTACK.
1457 bool verbose = false;
1458
1459 while(param_getchar(Cmd, cmdp) != 0x00) {
1460 switch(param_getchar(Cmd, cmdp)) {
1461 case 'e':
1462 case 'E':
1463 setEmulatorMem = true;
1464 cmdp++;
1465 break;
1466 case 'h':
1467 case 'H':
1468 return usage_hf14_mf1ksim();
1469 case 'i':
1470 case 'I':
1471 flags |= FLAG_INTERACTIVE;
1472 cmdp++;
1473 break;
1474 case 'n':
1475 case 'N':
1476 exitAfterNReads = param_get8(Cmd, cmdp+1);
1477 cmdp += 2;
1478 break;
1479 case 'u':
1480 case 'U':
1481 param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);
1482 switch(uidlen) {
1483 case 20: flags = FLAG_10B_UID_IN_DATA; break;
1484 case 14: flags = FLAG_7B_UID_IN_DATA; break;
1485 case 8: flags = FLAG_4B_UID_IN_DATA; break;
1486 default: return usage_hf14_mf1ksim();
1487 }
1488 cmdp +=2;
1489 break;
1490 case 'v':
1491 case 'V':
1492 verbose = true;
1493 cmdp++;
1494 break;
1495 case 'x':
1496 case 'X':
1497 flags |= FLAG_NR_AR_ATTACK;
1498 cmdp++;
1499 break;
1500 default:
1501 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1502 errors = true;
1503 break;
1504 }
1505 if(errors) break;
1506 }
1507 //Validations
1508 if(errors) return usage_hf14_mf1ksim();
1509
1510 PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) "
1511 , (uidlen == 0 ) ? "N/A" : sprint_hex(uid, uidlen>>1)
1512 , exitAfterNReads
1513 , flags
1514 , flags);
1515
1516 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads, 0}};
1517 memcpy(c.d.asBytes, uid, sizeof(uid));
1518 clearCommandBuffer();
1519 SendCommand(&c);
1520
1521 if(flags & FLAG_INTERACTIVE) {
1522 PrintAndLog("Press pm3-button or send another cmd to abort simulation");
1523
1524 nonces_t data[ATTACK_KEY_COUNT*2];
1525 UsbCommand resp;
1526
1527 while( !ukbhit() ){
1528 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue;
1529
1530 if ( !(flags & FLAG_NR_AR_ATTACK) ) break;
1531 if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;
1532
1533 memcpy( data, resp.d.asBytes, sizeof(data) );
1534 readerAttack(data, setEmulatorMem, verbose);
1535 }
1536
1537 if (k_sector != NULL) {
1538 printKeyTable(k_sectorsCount, k_sector );
1539 free(k_sector);
1540 k_sector = NULL;
1541 }
1542 }
1543 return 0;
1544 }
1545
1546 int CmdHF14AMfSniff(const char *Cmd){
1547 bool wantLogToFile = FALSE;
1548 bool wantDecrypt = FALSE;
1549 //bool wantSaveToEml = FALSE; TODO
1550 bool wantSaveToEmlFile = FALSE;
1551
1552 //var
1553 int tmpchar;
1554 int res = 0;
1555 int len = 0;
1556 int blockLen = 0;
1557 int pckNum = 0;
1558 int num = 0;
1559 uint8_t uid[10];
1560 uint8_t uid_len = 0;
1561 uint8_t atqa[2] = {0x00, 0x00};
1562 uint8_t sak = 0;
1563 bool isTag = FALSE;
1564 uint8_t *buf = NULL;
1565 uint16_t bufsize = 0;
1566 uint8_t *bufPtr = NULL;
1567 uint16_t traceLen = 0;
1568
1569 memset(uid, 0x00, sizeof(uid));
1570
1571 char ctmp = param_getchar(Cmd, 0);
1572 if ( ctmp == 'h' || ctmp == 'H' ) return usage_hf14_sniff();
1573
1574 for (int i = 0; i < 4; i++) {
1575 ctmp = param_getchar(Cmd, i);
1576 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
1577 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
1578 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
1579 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
1580 }
1581
1582 printf("-------------------------------------------------------------------------\n");
1583 printf("Executing mifare sniffing command. \n");
1584 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
1585 printf("Press the key on pc keyboard to abort the client.\n");
1586 printf("-------------------------------------------------------------------------\n");
1587
1588 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
1589 clearCommandBuffer();
1590 SendCommand(&c);
1591
1592 // wait cycle
1593 while (true) {
1594 printf(".");
1595 fflush(stdout);
1596 if (ukbhit()) {
1597 tmpchar = getchar();
1598 (void)tmpchar;
1599 printf("\naborted via keyboard!\n");
1600 break;
1601 }
1602
1603 UsbCommand resp;
1604 if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
1605 res = resp.arg[0] & 0xff;
1606 traceLen = resp.arg[1];
1607 len = resp.arg[2];
1608
1609 // we are done?
1610 if (res == 0) {
1611 free(buf);
1612 return 0;
1613 }
1614
1615 if (res == 1) { // there is (more) data to be transferred
1616 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
1617 if (traceLen > bufsize) {
1618 uint8_t *p;
1619 if (buf == NULL) // not yet allocated
1620 p = malloc(traceLen);
1621 else // need more memory
1622 p = realloc(buf, traceLen);
1623
1624 if (p == NULL) {
1625 PrintAndLog("Cannot allocate memory for trace");
1626 free(buf);
1627 return 2;
1628 }
1629 buf = p;
1630 }
1631 bufPtr = buf;
1632 bufsize = traceLen;
1633 memset(buf, 0x00, traceLen);
1634 }
1635 if (bufPtr == NULL) {
1636 PrintAndLog("Cannot allocate memory for trace");
1637 free(buf);
1638 return 2;
1639 }
1640 // what happens if LEN is bigger then TRACELEN --iceman
1641 memcpy(bufPtr, resp.d.asBytes, len);
1642 bufPtr += len;
1643 pckNum++;
1644 }
1645
1646 if (res == 2) { // received all data, start displaying
1647 blockLen = bufPtr - buf;
1648 bufPtr = buf;
1649 printf(">\n");
1650 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
1651 while (bufPtr - buf < blockLen) {
1652 bufPtr += 6; // skip (void) timing information
1653 len = *((uint16_t *)bufPtr);
1654 if(len & 0x8000) {
1655 isTag = true;
1656 len &= 0x7fff;
1657 } else {
1658 isTag = false;
1659 }
1660 bufPtr += 2;
1661 if ((len == 17) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[15] == 0xff) && (bufPtr[16] == 0xff)) {
1662 memcpy(uid, bufPtr + 2, 10);
1663 memcpy(atqa, bufPtr + 2 + 10, 2);
1664 switch (atqa[0] & 0xC0) {
1665 case 0x80: uid_len = 10; break;
1666 case 0x40: uid_len = 7; break;
1667 default: uid_len = 4; break;
1668 }
1669 sak = bufPtr[14];
1670 PrintAndLog("tag select uid| %s atqa:0x%02x%02x sak:0x%02x",
1671 sprint_hex(uid, uid_len),
1672 atqa[1],
1673 atqa[0],
1674 sak);
1675 if (wantLogToFile || wantDecrypt) {
1676 FillFileNameByUID(logHexFileName, uid, ".log", uid_len);
1677 AddLogCurrentDT(logHexFileName);
1678 }
1679 if (wantDecrypt)
1680 mfTraceInit(uid, uid_len, atqa, sak, wantSaveToEmlFile);
1681 } else {
1682 PrintAndLog("%03d| %s |%s", num, isTag ? "TAG" : "RDR", sprint_hex(bufPtr, len));
1683 if (wantLogToFile)
1684 AddLogHex(logHexFileName, isTag ? "TAG| ":"RDR| ", bufPtr, len);
1685 if (wantDecrypt)
1686 mfTraceDecode(bufPtr, len, wantSaveToEmlFile);
1687 num++;
1688 }
1689 bufPtr += len;
1690 bufPtr += ((len-1)/8+1); // ignore parity
1691 }
1692 pckNum = 0;
1693 }
1694 } // resp not NULL
1695 } // while (true)
1696
1697 free(buf);
1698 return 0;
1699 }
1700
1701 int CmdHF14AMfDbg(const char *Cmd) {
1702
1703 char ctmp = param_getchar(Cmd, 0);
1704 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') return usage_hf14_dbg();
1705
1706 uint8_t dbgMode = param_get8ex(Cmd, 0, 0, 10);
1707 if (dbgMode > 4) return usage_hf14_dbg();
1708
1709 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1710 SendCommand(&c);
1711 return 0;
1712 }
1713
1714 int CmdHF14AMfKeyBrute(const char *Cmd) {
1715
1716 uint8_t blockNo = 0, keytype = 0;
1717 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
1718 uint64_t foundkey = 0;
1719
1720 char cmdp = param_getchar(Cmd, 0);
1721 if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_keybrute();
1722
1723 // block number
1724 blockNo = param_get8(Cmd, 0);
1725
1726 // keytype
1727 cmdp = param_getchar(Cmd, 1);
1728 if (cmdp == 'B' || cmdp == 'b') keytype = 1;
1729
1730 // key
1731 if (param_gethex(Cmd, 2, key, 12)) return usage_hf14_keybrute();
1732
1733 clock_t t1 = clock();
1734 time_t start, end;
1735 time(&start);
1736
1737 if (mfKeyBrute( blockNo, keytype, key, &foundkey))
1738 PrintAndLog("Found valid key: %012"llx" \n", foundkey);
1739 else
1740 PrintAndLog("Key not found");
1741
1742 t1 = clock() - t1;
1743 time(&end);
1744 unsigned long elapsed_time = difftime(end, start);
1745 if ( t1 > 0 )
1746 PrintAndLog("\nTime in keybrute: %.0f ticks %u seconds\n", (float)t1, elapsed_time);
1747
1748 return 0;
1749 }
1750
1751 void printKeyTable( uint8_t sectorscnt, sector *e_sector ){
1752 PrintAndLog("|---|----------------|---|----------------|---|");
1753 PrintAndLog("|sec|key A |res|key B |res|");
1754 PrintAndLog("|---|----------------|---|----------------|---|");
1755 for (uint8_t i = 0; i < sectorscnt; ++i) {
1756 PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i,
1757 e_sector[i].Key[0], e_sector[i].foundKey[0],
1758 e_sector[i].Key[1], e_sector[i].foundKey[1]
1759 );
1760 }
1761 PrintAndLog("|---|----------------|---|----------------|---|");
1762 }
1763
1764 // EMULATOR COMMANDS
1765 int CmdHF14AMfEGet(const char *Cmd)
1766 {
1767 uint8_t blockNo = 0;
1768 uint8_t data[16] = {0x00};
1769
1770 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1771 PrintAndLog("Usage: hf mf eget <block number>");
1772 PrintAndLog(" sample: hf mf eget 0 ");
1773 return 0;
1774 }
1775
1776 blockNo = param_get8(Cmd, 0);
1777
1778 PrintAndLog("");
1779 if (!mfEmlGetMem(data, blockNo, 1)) {
1780 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1781 } else {
1782 PrintAndLog("Command execute timeout");
1783 }
1784
1785 return 0;
1786 }
1787
1788 int CmdHF14AMfEClear(const char *Cmd)
1789 {
1790 if (param_getchar(Cmd, 0) == 'h') {
1791 PrintAndLog("Usage: hf mf eclr");
1792 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1793 return 0;
1794 }
1795
1796 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1797 SendCommand(&c);
1798 return 0;
1799 }
1800
1801 int CmdHF14AMfESet(const char *Cmd)
1802 {
1803 uint8_t memBlock[16];
1804 uint8_t blockNo = 0;
1805
1806 memset(memBlock, 0x00, sizeof(memBlock));
1807
1808 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1809 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1810 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1811 return 0;
1812 }
1813
1814 blockNo = param_get8(Cmd, 0);
1815
1816 if (param_gethex(Cmd, 1, memBlock, 32)) {
1817 PrintAndLog("block data must include 32 HEX symbols");
1818 return 1;
1819 }
1820
1821 // 1 - blocks count
1822 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};
1823 memcpy(c.d.asBytes, memBlock, 16);
1824 SendCommand(&c);
1825 return 0;
1826 }
1827
1828 int CmdHF14AMfELoad(const char *Cmd)
1829 {
1830 FILE * f;
1831 char filename[FILE_PATH_SIZE];
1832 char *fnameptr = filename;
1833 char buf[64] = {0x00};
1834 uint8_t buf8[64] = {0x00};
1835 int i, len, blockNum, numBlocks;
1836 int nameParamNo = 1;
1837 uint8_t blockWidth = 32;
1838 char ctmp = param_getchar(Cmd, 0);
1839
1840 if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
1841 PrintAndLog("It loads emul dump from the file `filename.eml`");
1842 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`> [numblocks]");
1843 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL");
1844 PrintAndLog("");
1845 PrintAndLog(" sample: hf mf eload filename");
1846 PrintAndLog(" hf mf eload 4 filename");
1847 return 0;
1848 }
1849
1850 switch (ctmp) {
1851 case '0' : numBlocks = 5*4; break;
1852 case '1' :
1853 case '\0': numBlocks = 16*4; break;
1854 case '2' : numBlocks = 32*4; break;
1855 case '4' : numBlocks = 256; break;
1856 case 'U' : // fall through
1857 case 'u' : numBlocks = 255; blockWidth = 8; break;
1858 default: {
1859 numBlocks = 16*4;
1860 nameParamNo = 0;
1861 }
1862 }
1863 uint32_t numblk2 = param_get32ex(Cmd,2,0,10);
1864 if (numblk2 > 0) numBlocks = numblk2;
1865
1866 len = param_getstr(Cmd,nameParamNo,filename);
1867
1868 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1869
1870 fnameptr += len;
1871
1872 sprintf(fnameptr, ".eml");
1873
1874 // open file
1875 f = fopen(filename, "r");
1876 if (f == NULL) {
1877 PrintAndLog("File %s not found or locked", filename);
1878 return 1;
1879 }
1880
1881 blockNum = 0;
1882 while(!feof(f)){
1883 memset(buf, 0, sizeof(buf));
1884
1885 if (fgets(buf, sizeof(buf), f) == NULL) {
1886
1887 if (blockNum >= numBlocks) break;
1888
1889 PrintAndLog("File reading error.");
1890 fclose(f);
1891 return 2;
1892 }
1893
1894 if (strlen(buf) < blockWidth){
1895 if(strlen(buf) && feof(f))
1896 break;
1897 PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth);
1898 fclose(f);
1899 return 2;
1900 }
1901
1902 for (i = 0; i < blockWidth; i += 2) {
1903 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1904 }
1905 if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) {
1906 PrintAndLog("Cant set emul block: %3d", blockNum);
1907 fclose(f);
1908 return 3;
1909 }
1910 printf(".");
1911 blockNum++;
1912
1913 if (blockNum >= numBlocks) break;
1914 }
1915 fclose(f);
1916 printf("\n");
1917
1918 if ((blockNum != numBlocks)) {
1919 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1920 return 4;
1921 }
1922 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1923 return 0;
1924 }
1925
1926 int CmdHF14AMfESave(const char *Cmd)
1927 {
1928 FILE * f;
1929 char filename[FILE_PATH_SIZE];
1930 char * fnameptr = filename;
1931 uint8_t buf[64];
1932 int i, j, len, numBlocks;
1933 int nameParamNo = 1;
1934
1935 memset(filename, 0, sizeof(filename));
1936 memset(buf, 0, sizeof(buf));
1937
1938 char ctmp = param_getchar(Cmd, 0);
1939
1940 if ( ctmp == 'h' || ctmp == 'H') {
1941 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1942 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1943 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1944 PrintAndLog("");
1945 PrintAndLog(" sample: hf mf esave ");
1946 PrintAndLog(" hf mf esave 4");
1947 PrintAndLog(" hf mf esave 4 filename");
1948 return 0;
1949 }
1950
1951 switch (ctmp) {
1952 case '0' : numBlocks = 5*4; break;
1953 case '1' :
1954 case '\0': numBlocks = 16*4; break;
1955 case '2' : numBlocks = 32*4; break;
1956 case '4' : numBlocks = 256; break;
1957 default: {
1958 numBlocks = 16*4;
1959 nameParamNo = 0;
1960 }
1961 }
1962
1963 len = param_getstr(Cmd,nameParamNo,filename);
1964
1965 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1966
1967 // user supplied filename?
1968 if (len < 1) {
1969 // get filename (UID from memory)
1970 if (mfEmlGetMem(buf, 0, 1)) {
1971 PrintAndLog("Can\'t get UID from block: %d", 0);
1972 len = sprintf(fnameptr, "dump");
1973 fnameptr += len;
1974 }
1975 else {
1976 for (j = 0; j < 7; j++, fnameptr += 2)
1977 sprintf(fnameptr, "%02X", buf[j]);
1978 }
1979 } else {
1980 fnameptr += len;
1981 }
1982
1983 // add file extension
1984 sprintf(fnameptr, ".eml");
1985
1986 // open file
1987 f = fopen(filename, "w+");
1988
1989 if ( !f ) {
1990 PrintAndLog("Can't open file %s ", filename);
1991 return 1;
1992 }
1993
1994 // put hex
1995 for (i = 0; i < numBlocks; i++) {
1996 if (mfEmlGetMem(buf, i, 1)) {
1997 PrintAndLog("Cant get block: %d", i);
1998 break;
1999 }
2000 for (j = 0; j < 16; j++)
2001 fprintf(f, "%02X", buf[j]);
2002 fprintf(f,"\n");
2003 }
2004 fclose(f);
2005
2006 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
2007
2008 return 0;
2009 }
2010
2011 int CmdHF14AMfECFill(const char *Cmd)
2012 {
2013 uint8_t keyType = 0;
2014 uint8_t numSectors = 16;
2015
2016 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2017 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
2018 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
2019 PrintAndLog("");
2020 PrintAndLog("samples: hf mf ecfill A");
2021 PrintAndLog(" hf mf ecfill A 4");
2022 PrintAndLog("Read card and transfer its data to emulator memory.");
2023 PrintAndLog("Keys must be laid in the emulator memory. \n");
2024 return 0;
2025 }
2026
2027 char ctmp = param_getchar(Cmd, 0);
2028 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
2029 PrintAndLog("Key type must be A or B");
2030 return 1;
2031 }
2032 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
2033
2034 ctmp = param_getchar(Cmd, 1);
2035 switch (ctmp) {
2036 case '0' : numSectors = 5; break;
2037 case '1' :
2038 case '\0': numSectors = 16; break;
2039 case '2' : numSectors = 32; break;
2040 case '4' : numSectors = 40; break;
2041 default: numSectors = 16;
2042 }
2043
2044 printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);
2045 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
2046 SendCommand(&c);
2047 return 0;
2048 }
2049
2050 int CmdHF14AMfEKeyPrn(const char *Cmd)
2051 {
2052 int i;
2053 uint8_t numSectors;
2054 uint8_t data[16];
2055 uint64_t keyA, keyB;
2056
2057 char cmdp = param_getchar(Cmd, 0);
2058
2059 if ( cmdp == 'h' || cmdp == 'H' ) {
2060 PrintAndLog("It prints the keys loaded in the emulator memory");
2061 PrintAndLog("Usage: hf mf ekeyprn [card memory]");
2062 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
2063 PrintAndLog("");
2064 PrintAndLog(" sample: hf mf ekeyprn 1");
2065 return 0;
2066 }
2067
2068 switch (cmdp) {
2069 case '0' : numSectors = 5; break;
2070 case '1' :
2071 case '\0': numSectors = 16; break;
2072 case '2' : numSectors = 32; break;
2073 case '4' : numSectors = 40; break;
2074 default: numSectors = 16;
2075 }
2076
2077 PrintAndLog("|---|----------------|----------------|");
2078 PrintAndLog("|sec|key A |key B |");
2079 PrintAndLog("|---|----------------|----------------|");
2080 for (i = 0; i < numSectors; i++) {
2081 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
2082 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
2083 break;
2084 }
2085 keyA = bytes_to_num(data, 6);
2086 keyB = bytes_to_num(data + 10, 6);
2087 PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB);
2088 }
2089 PrintAndLog("|---|----------------|----------------|");
2090
2091 return 0;
2092 }
2093
2094 // CHINESE MAGIC COMMANDS
2095
2096 int CmdHF14AMfCSetUID(const char *Cmd) {
2097 uint8_t wipeCard = 0;
2098 uint8_t uid[8] = {0x00};
2099 uint8_t oldUid[8] = {0x00};
2100 uint8_t atqa[2] = {0x00};
2101 uint8_t sak[1] = {0x00};
2102 uint8_t atqaPresent = 1;
2103 int res;
2104 char ctmp;
2105 int argi=0;
2106
2107 if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') {
2108 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
2109 PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line.");
2110 PrintAndLog("");
2111 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols] [w]");
2112 PrintAndLog("");
2113 PrintAndLog("sample: hf mf csetuid 01020304");
2114 PrintAndLog(" hf mf csetuid 01020304 0004 08 w");
2115 return 0;
2116 }
2117
2118 if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) {
2119 PrintAndLog("UID must include 8 HEX symbols");
2120 return 1;
2121 }
2122 argi++;
2123
2124 ctmp = param_getchar(Cmd, argi);
2125 if (ctmp == 'w' || ctmp == 'W') {
2126 wipeCard = 1;
2127 atqaPresent = 0;
2128 }
2129
2130 if (atqaPresent) {
2131 if (param_getchar(Cmd, argi)) {
2132 if (param_gethex(Cmd, argi, atqa, 4)) {
2133 PrintAndLog("ATQA must include 4 HEX symbols");
2134 return 1;
2135 }
2136 argi++;
2137 if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) {
2138 PrintAndLog("SAK must include 2 HEX symbols");
2139 return 1;
2140 }
2141 argi++;
2142 } else
2143 atqaPresent = 0;
2144 }
2145
2146 if(!wipeCard) {
2147 ctmp = param_getchar(Cmd, argi);
2148 if (ctmp == 'w' || ctmp == 'W') {
2149 wipeCard = 1;
2150 }
2151 }
2152
2153 PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4));
2154
2155 res = mfCSetUID(uid, (atqaPresent) ? atqa : NULL, (atqaPresent) ? sak : NULL, oldUid, wipeCard);
2156 if (res) {
2157 PrintAndLog("Can't set UID. error=%d", res);
2158 return 1;
2159 }
2160
2161 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
2162 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
2163 return 0;
2164 }
2165
2166 int CmdHF14AMfCSetBlk(const char *Cmd) {
2167 uint8_t block[16] = {0x00};
2168 uint8_t blockNo = 0;
2169 uint8_t params = MAGIC_SINGLE;
2170 int res;
2171
2172 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2173 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
2174 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
2175 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
2176 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
2177 return 0;
2178 }
2179
2180 blockNo = param_get8(Cmd, 0);
2181
2182 if (param_gethex(Cmd, 1, block, 32)) {
2183 PrintAndLog("block data must include 32 HEX symbols");
2184 return 1;
2185 }
2186
2187 char ctmp = param_getchar(Cmd, 2);
2188 if (ctmp == 'w' || ctmp == 'W')
2189 params |= MAGIC_WIPE;
2190
2191 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(block, 16));
2192
2193 res = mfCSetBlock(blockNo, block, NULL, params);
2194 if (res) {
2195 PrintAndLog("Can't write block. error=%d", res);
2196 return 1;
2197 }
2198 return 0;
2199 }
2200
2201 int CmdHF14AMfCLoad(const char *Cmd) {
2202 FILE * f;
2203 char filename[FILE_PATH_SIZE];
2204 char * fnameptr = filename;
2205 char buf[64] = {0x00};
2206 uint8_t buf8[64] = {0x00};
2207 uint8_t fillFromEmulator = 0;
2208 int i, len, blockNum, flags=0;
2209
2210 memset(filename, 0, sizeof(filename));
2211
2212 char ctmp = param_getchar(Cmd, 0);
2213
2214 if (ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {
2215 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
2216 PrintAndLog("or from emulator memory (option `e`)");
2217 PrintAndLog("Usage: hf mf cload <file name w/o `.eml`>");
2218 PrintAndLog(" or: hf mf cload e ");
2219 PrintAndLog(" sample: hf mf cload filename");
2220 return 0;
2221 }
2222
2223 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2224
2225 if (fillFromEmulator) {
2226 for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {
2227 if (mfEmlGetMem(buf8, blockNum, 1)) {
2228 PrintAndLog("Cant get block: %d", blockNum);
2229 return 2;
2230 }
2231 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
2232 if (blockNum == 1) flags = 0; // just write
2233 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Magic Halt and switch off field.
2234
2235 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
2236 PrintAndLog("Cant set magic card block: %d", blockNum);
2237 return 3;
2238 }
2239 }
2240 return 0;
2241 } else {
2242 len = strlen(Cmd);
2243 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2244
2245 memcpy(filename, Cmd, len);
2246 fnameptr += len;
2247
2248 sprintf(fnameptr, ".eml");
2249
2250 // open file
2251 f = fopen(filename, "r");
2252 if (f == NULL) {
2253 PrintAndLog("File not found or locked.");
2254 return 1;
2255 }
2256
2257 blockNum = 0;
2258 while(!feof(f)){
2259
2260 memset(buf, 0, sizeof(buf));
2261
2262 if (fgets(buf, sizeof(buf), f) == NULL) {
2263 fclose(f);
2264 PrintAndLog("File reading error.");
2265 return 2;
2266 }
2267
2268 if (strlen(buf) < 32) {
2269 if(strlen(buf) && feof(f))
2270 break;
2271 PrintAndLog("File content error. Block data must include 32 HEX symbols");
2272 fclose(f);
2273 return 2;
2274 }
2275 for (i = 0; i < 32; i += 2)
2276 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
2277
2278 if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence
2279 if (blockNum == 1) flags = 0; // just write
2280 if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Switch off field.
2281
2282 if (mfCSetBlock(blockNum, buf8, NULL, flags)) {
2283 PrintAndLog("Can't set magic card block: %d", blockNum);
2284 fclose(f);
2285 return 3;
2286 }
2287 blockNum++;
2288
2289 if (blockNum >= 16 * 4) break; // magic card type - mifare 1K
2290 }
2291 fclose(f);
2292
2293 // 64 or 256blocks.
2294 if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
2295 PrintAndLog("File content error. There must be 64 blocks");
2296 return 4;
2297 }
2298 PrintAndLog("Loaded from file: %s", filename);
2299 return 0;
2300 }
2301 return 0;
2302 }
2303
2304 int CmdHF14AMfCGetBlk(const char *Cmd) {
2305 uint8_t data[16];
2306 uint8_t blockNo = 0;
2307 int res;
2308 memset(data, 0x00, sizeof(data));
2309 char ctmp = param_getchar(Cmd, 0);
2310
2311 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
2312 PrintAndLog("Usage: hf mf cgetblk <block number>");
2313 PrintAndLog("sample: hf mf cgetblk 1");
2314 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
2315 return 0;
2316 }
2317
2318 blockNo = param_get8(Cmd, 0);
2319
2320 PrintAndLog("--block number:%2d ", blockNo);
2321
2322 res = mfCGetBlock(blockNo, data, MAGIC_SINGLE);
2323 if (res) {
2324 PrintAndLog("Can't read block. error=%d", res);
2325 return 1;
2326 }
2327
2328 PrintAndLog("data: %s", sprint_hex(data, sizeof(data)));
2329 return 0;
2330 }
2331
2332 int CmdHF14AMfCGetSc(const char *Cmd) {
2333 uint8_t data[16];
2334 uint8_t sectorNo = 0;
2335 int i, res, flags;
2336 memset(data, 0x00, sizeof(data));
2337 char ctmp = param_getchar(Cmd, 0);
2338
2339 if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {
2340 PrintAndLog("Usage: hf mf cgetsc <sector number>");
2341 PrintAndLog("sample: hf mf cgetsc 0");
2342 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
2343 return 0;
2344 }
2345
2346 sectorNo = param_get8(Cmd, 0);
2347 if (sectorNo > 15) {
2348 PrintAndLog("Sector number must be in [0..15] as in MIFARE classic.");
2349 return 1;
2350 }
2351
2352 PrintAndLog("--sector number:%d ", sectorNo);
2353 PrintAndLog("block | data");
2354
2355 flags = MAGIC_INIT + MAGIC_WUPC;
2356 for (i = 0; i < 4; i++) {
2357 if (i == 1) flags = 0;
2358 if (i == 3) flags = MAGIC_HALT + MAGIC_OFF;
2359
2360 res = mfCGetBlock(sectorNo * 4 + i, data, flags);
2361 if (res) {
2362 PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res);
2363 return 1;
2364 }
2365 PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data)));
2366 }
2367 return 0;
2368 }
2369
2370 int CmdHF14AMfCSave(const char *Cmd) {
2371
2372 FILE * f;
2373 char filename[FILE_PATH_SIZE];
2374 char * fnameptr = filename;
2375 uint8_t fillFromEmulator = 0;
2376 uint8_t buf[64];
2377 int i, j, len, flags;
2378
2379 memset(filename, 0, sizeof(filename));
2380 memset(buf, 0, sizeof(buf));
2381 char ctmp = param_getchar(Cmd, 0);
2382
2383 if ( ctmp == 'h' || ctmp == 'H' ) {
2384 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
2385 PrintAndLog("or into emulator memory (option `e`)");
2386 PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]");
2387 PrintAndLog(" sample: hf mf esave ");
2388 PrintAndLog(" hf mf esave filename");
2389 PrintAndLog(" hf mf esave e \n");
2390 return 0;
2391 }
2392 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2393
2394 if (fillFromEmulator) {
2395 // put into emulator
2396 flags = MAGIC_INIT + MAGIC_WUPC;
2397 for (i = 0; i < 16 * 4; i++) {
2398 if (i == 1) flags = 0;
2399 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
2400
2401 if (mfCGetBlock(i, buf, flags)) {
2402 PrintAndLog("Cant get block: %d", i);
2403 break;
2404 }
2405
2406 if (mfEmlSetMem(buf, i, 1)) {
2407 PrintAndLog("Cant set emul block: %d", i);
2408 return 3;
2409 }
2410 }
2411 return 0;
2412 } else {
2413 len = strlen(Cmd);
2414 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2415
2416 // get filename based on UID
2417 if (len < 1) {
2418
2419 if (mfCGetBlock(0, buf, MAGIC_SINGLE)) {
2420 PrintAndLog("Cant get block: %d", 0);
2421 len = sprintf(fnameptr, "dump");
2422 fnameptr += len;
2423 } else {
2424 for (j = 0; j < 7; j++, fnameptr += 2)
2425 sprintf(fnameptr, "%02x", buf[j]);
2426 }
2427 } else {
2428 memcpy(filename, Cmd, len);
2429 fnameptr += len;
2430 }
2431
2432 // add .eml extension
2433 sprintf(fnameptr, ".eml");
2434
2435 // open file
2436 f = fopen(filename, "w+");
2437
2438 if (f == NULL) {
2439 PrintAndLog("File not found or locked.");
2440 return 1;
2441 }
2442
2443 // put hex
2444 flags = MAGIC_INIT + MAGIC_WUPC;
2445 for (i = 0; i < 16 * 4; i++) {
2446 if (i == 1) flags = 0;
2447 if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;
2448
2449 if (mfCGetBlock(i, buf, flags)) {
2450 PrintAndLog("Cant get block: %d", i);
2451 break;
2452 }
2453 for (j = 0; j < 16; j++)
2454 fprintf(f, "%02x", buf[j]);
2455 fprintf(f,"\n");
2456 }
2457 fflush(f);
2458 fclose(f);
2459 PrintAndLog("Saved to file: %s", filename);
2460 return 0;
2461 }
2462 }
2463
2464 //needs nt, ar, at, Data to decrypt
2465 int CmdHf14MfDecryptBytes(const char *Cmd){
2466 uint8_t data[50];
2467 uint32_t nt = param_get32ex(Cmd,0,0,16);
2468 uint32_t ar_enc = param_get32ex(Cmd,1,0,16);
2469 uint32_t at_enc = param_get32ex(Cmd,2,0,16);
2470
2471 int len = 0;
2472 param_gethex_ex(Cmd, 3, data, &len);
2473
2474 len /= 2;
2475 int limit = sizeof(data) / 2;
2476
2477 if ( len >= limit )
2478 len = limit;
2479
2480 return tryDecryptWord( nt, ar_enc, at_enc, data, len);
2481 }
2482
2483 static command_t CommandTable[] = {
2484 {"help", CmdHelp, 1, "This help"},
2485 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
2486 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
2487 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
2488 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
2489 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
2490 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
2491 {"chk", CmdHF14AMfChk, 0, "Check keys"},
2492 {"mifare", CmdHF14AMifare, 0, "Darkside attack. read parity error messages."},
2493 {"nested", CmdHF14AMfNested, 0, "Nested attack. Test nested authentication"},
2494 {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},
2495 {"keybrute", CmdHF14AMfKeyBrute, 0, "J_Run's 2nd phase of multiple sector nested authentication key recovery"},
2496 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
2497 {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},
2498 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},
2499 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
2500 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
2501 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
2502 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
2503 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
2504 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
2505 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
2506 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
2507 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
2508 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
2509 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
2510 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
2511 {"decrypt", CmdHf14MfDecryptBytes, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2512 {NULL, NULL, 0, NULL}
2513 };
2514
2515 int CmdHFMF(const char *Cmd) {
2516 clearCommandBuffer();
2517 CmdsParse(CommandTable, Cmd);
2518 return 0;
2519 }
2520
2521 int CmdHelp(const char *Cmd) {
2522 CmdsHelp(CommandTable);
2523 return 0;
2524 }
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