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1 //-----------------------------------------------------------------------------
2 // Ultralight Code (c) 2013,2014 Midnitesnake & Andy Davies of Pentura
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 ULTRALIGHT (C) commands
9 //-----------------------------------------------------------------------------
10 //#include <openssl/des.h>
11 #include "loclass/des.h"
12 #include "cmdhfmfu.h"
13 #include "cmdhfmf.h"
14 #include "cmdhf14a.h"
15
16
17 #define MAX_ULTRA_BLOCKS 0x0f
18 #define MAX_ULTRAC_BLOCKS 0x2f
19 //#define MAX_ULTRAC_BLOCKS 0x2c
20
21
22 static int CmdHelp(const char *Cmd);
23
24 int CmdHF14AMfUInfo(const char *Cmd){
25
26 uint8_t datatemp[7] = {0x00};
27 uint8_t isOK = 0;
28 uint8_t *data = NULL;
29
30 UsbCommand c = {CMD_MIFAREU_READCARD, {0, 4}};
31 SendCommand(&c);
32 UsbCommand resp;
33
34 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
35 isOK = resp.arg[0] & 0xff;
36 data = resp.d.asBytes;
37
38 if (!isOK) {
39 PrintAndLog("Error reading from tag");
40 return -1;
41 }
42 } else {
43 PrintAndLog("Command execute timed out");
44 return -1;
45 }
46
47 PrintAndLog("");
48 PrintAndLog("-- Mifare Ultralight / Ultralight-C Tag Information ---------");
49 PrintAndLog("-------------------------------------------------------------");
50
51 // UID
52 memcpy( datatemp, data, 3);
53 memcpy( datatemp+3, data+4, 4);
54
55 PrintAndLog("MANUFACTURER : %s", getTagInfo(datatemp[0]));
56 PrintAndLog(" UID : %s ", sprint_hex(datatemp, 7));
57 // BBC
58 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
59 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
60 if ( data[3] == crc0 )
61 PrintAndLog(" BCC0 : %02x - Ok", data[3]);
62 else
63 PrintAndLog(" BCC0 : %02x - crc should be %02x", data[3], crc0);
64
65 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
66 if ( data[8] == crc1 )
67 PrintAndLog(" BCC1 : %02x - Ok", data[8]);
68 else
69 PrintAndLog(" BCC1 : %02x - crc should be %02x", data[8], crc1 );
70
71 PrintAndLog(" Internal : %s ", sprint_hex(data + 9, 1));
72
73 memcpy(datatemp, data+10, 2);
74 PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
75 PrintAndLog(" OneTimePad : %s ", sprint_hex(data + 3*4, 4));
76 PrintAndLog("");
77
78 int len = CmdHF14AMfucAuth("K 0");
79 // PrintAndLog("CODE: %d",len);
80
81 PrintAndLog("Seems to be a Ultralight %s", (len==0) ? "-C" :"");
82 return 0;
83 }
84
85 //
86 // Mifare Ultralight Write Single Block
87 //
88 int CmdHF14AMfUWrBl(const char *Cmd){
89 uint8_t blockNo = -1;
90 bool chinese_card = FALSE;
91 uint8_t bldata[16] = {0x00};
92 UsbCommand resp;
93
94 char cmdp = param_getchar(Cmd, 0);
95 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
96 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
97 PrintAndLog(" [block number]");
98 PrintAndLog(" [block data] - (8 hex symbols)");
99 PrintAndLog(" [w] - Chinese magic ultralight tag");
100 PrintAndLog("");
101 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
102 PrintAndLog("");
103 return 0;
104 }
105
106 blockNo = param_get8(Cmd, 0);
107
108 if (blockNo > MAX_ULTRA_BLOCKS){
109 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
110 return 1;
111 }
112
113 if (param_gethex(Cmd, 1, bldata, 8)) {
114 PrintAndLog("Block data must include 8 HEX symbols");
115 return 1;
116 }
117
118 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
119 chinese_card = TRUE;
120 }
121
122 if ( blockNo <= 3) {
123 if (!chinese_card){
124 PrintAndLog("Access Denied");
125 } else {
126 PrintAndLog("--specialblock no:%02x", blockNo);
127 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
128 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
129 memcpy(d.d.asBytes,bldata, 4);
130 SendCommand(&d);
131 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
132 uint8_t isOK = resp.arg[0] & 0xff;
133 PrintAndLog("isOk:%02x", isOK);
134 } else {
135 PrintAndLog("Command execute timeout");
136 }
137 }
138 } else {
139 PrintAndLog("--block no:%02x", blockNo);
140 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
141 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
142 memcpy(e.d.asBytes,bldata, 4);
143 SendCommand(&e);
144 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
145 uint8_t isOK = resp.arg[0] & 0xff;
146 PrintAndLog("isOk:%02x", isOK);
147 } else {
148 PrintAndLog("Command execute timeout");
149 }
150 }
151 return 0;
152 }
153
154 //
155 // Mifare Ultralight Read Single Block
156 //
157 int CmdHF14AMfURdBl(const char *Cmd){
158
159 uint8_t blockNo = -1;
160
161 char cmdp = param_getchar(Cmd, 0);
162
163 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
164 PrintAndLog("Usage: hf mfu rdbl <block number>");
165 PrintAndLog(" sample: hfu mfu rdbl 0");
166 return 0;
167 }
168
169 blockNo = param_get8(Cmd, 0);
170
171 if (blockNo > MAX_ULTRA_BLOCKS){
172 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
173 return 1;
174 }
175
176 PrintAndLog("--block no:0x%02X (%d)", (int)blockNo, blockNo);
177 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
178 SendCommand(&c);
179
180 UsbCommand resp;
181 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
182 uint8_t isOK = resp.arg[0] & 0xff;
183 uint8_t * data = resp.d.asBytes;
184
185 PrintAndLog("isOk: %02x", isOK);
186
187 if (isOK)
188 PrintAndLog("Data: %s", sprint_hex(data, 4));
189 } else {
190 PrintAndLog("Command execute timeout");
191 }
192 return 0;
193 }
194
195 //
196 // Mifare Ultralight / Ultralight-C; Read and Dump Card Contents
197 //
198 int CmdHF14AMfUDump(const char *Cmd){
199
200 FILE *fout;
201 char filename[FILE_PATH_SIZE] = {0x00};
202 char * fnameptr = filename;
203
204 uint8_t *lockbytes_t = NULL;
205 uint8_t lockbytes[2] = {0x00};
206
207 uint8_t *lockbytes_t2 = NULL;
208 uint8_t lockbytes2[2] = {0x00};
209
210 bool bit[16] = {0x00};
211 bool bit2[16] = {0x00};
212
213 int i;
214 uint8_t BlockNo = 0;
215 int Pages = 16;
216
217 bool tmplockbit = false;
218 uint8_t isOK = 0;
219 uint8_t *data = NULL;
220
221 char cmdp = param_getchar(Cmd, 0);
222
223 if (cmdp == 'h' || cmdp == 'H') {
224 PrintAndLog("Reads all pages from Mifare Ultralight or Ultralight-C tag.");
225 PrintAndLog("It saves binary dump into the file `filename.bin` or `cardUID.bin`");
226 PrintAndLog("Usage: hf mfu dump <c> <filename w/o .bin>");
227 PrintAndLog(" <c> optional cardtype c == Ultralight-C, if not defaults to Ultralight");
228 PrintAndLog(" sample: hf mfu dump");
229 PrintAndLog(" : hf mfu dump myfile");
230 PrintAndLog(" : hf mfu dump c myfile");
231 return 0;
232 }
233
234 // UL or UL-C?
235 Pages = (cmdp == 'c' || cmdp == 'C') ? 44 : 16;
236
237 PrintAndLog("Dumping Ultralight%s Card Data...", (Pages ==16)?"":"-C");
238
239 UsbCommand c = {CMD_MIFAREU_READCARD, {BlockNo,Pages}};
240 SendCommand(&c);
241 UsbCommand resp;
242
243 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
244 isOK = resp.arg[0] & 0xff;
245 if (!isOK) {
246 PrintAndLog("Command error");
247 return 0;
248 }
249 data = resp.d.asBytes;
250 } else {
251 PrintAndLog("Command execute timeout");
252 return 0;
253 }
254
255 // Load lock bytes.
256 int j = 0;
257
258 lockbytes_t = data + 8;
259 lockbytes[0] = lockbytes_t[2];
260 lockbytes[1] = lockbytes_t[3];
261 for(j = 0; j < 16; j++){
262 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
263 }
264
265 // Load bottom lockbytes if available
266 if ( Pages == 44 ) {
267
268 lockbytes_t2 = data + (40*4);
269 lockbytes2[0] = lockbytes_t2[2];
270 lockbytes2[1] = lockbytes_t2[3];
271 for (j = 0; j < 16; j++) {
272 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
273 }
274 }
275
276 for (i = 0; i < Pages; ++i) {
277
278 if ( i < 3 ) {
279 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
280 continue;
281 }
282
283 switch(i){
284 case 3: tmplockbit = bit[4]; break;
285 case 4: tmplockbit = bit[3]; break;
286 case 5: tmplockbit = bit[2]; break;
287 case 6: tmplockbit = bit[1]; break;
288 case 7: tmplockbit = bit[0]; break;
289 case 8: tmplockbit = bit[15]; break;
290 case 9: tmplockbit = bit[14]; break;
291 case 10: tmplockbit = bit[13]; break;
292 case 11: tmplockbit = bit[12]; break;
293 case 12: tmplockbit = bit[11]; break;
294 case 13: tmplockbit = bit[10]; break;
295 case 14: tmplockbit = bit[9]; break;
296 case 15: tmplockbit = bit[8]; break;
297 case 16:
298 case 17:
299 case 18:
300 case 19: tmplockbit = bit2[6]; break;
301 case 20:
302 case 21:
303 case 22:
304 case 23: tmplockbit = bit2[5]; break;
305 case 24:
306 case 25:
307 case 26:
308 case 27: tmplockbit = bit2[4]; break;
309 case 28:
310 case 29:
311 case 30:
312 case 31: tmplockbit = bit2[2]; break;
313 case 32:
314 case 33:
315 case 34:
316 case 35: tmplockbit = bit2[1]; break;
317 case 36:
318 case 37:
319 case 38:
320 case 39: tmplockbit = bit2[0]; break;
321 case 40: tmplockbit = bit2[12]; break;
322 case 41: tmplockbit = bit2[11]; break;
323 case 42: tmplockbit = bit2[10]; break; //auth0
324 case 43: tmplockbit = bit2[9]; break; //auth1
325 default: break;
326 }
327 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
328 }
329
330 int len = 0;
331 if ( Pages == 16 )
332 len = param_getstr(Cmd,0,filename);
333 else
334 len = param_getstr(Cmd,1,filename);
335
336 if (len > FILE_PATH_SIZE-5) len = FILE_PATH_SIZE-5;
337
338 // user supplied filename?
339 if (len < 1) {
340
341 // UID = data 0-1-2 4-5-6-7 (skips a beat)
342 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
343 data[0],data[1], data[2], data[4],data[5],data[6], data[7]);
344
345 } else {
346 sprintf(fnameptr + len," .bin");
347 }
348
349
350 if ((fout = fopen(filename,"wb")) == NULL) {
351 PrintAndLog("Could not create file name %s", filename);
352 return 1;
353 }
354 fwrite( data, 1, Pages*4, fout );
355 fclose(fout);
356
357 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
358 return 0;
359 }
360
361 // Needed to Authenticate to Ultralight C tags
362 void rol (uint8_t *data, const size_t len){
363 uint8_t first = data[0];
364 for (size_t i = 0; i < len-1; i++) {
365 data[i] = data[i+1];
366 }
367 data[len-1] = first;
368 }
369
370 //-------------------------------------------------------------------------------
371 // Ultralight C Methods
372 //-------------------------------------------------------------------------------
373
374 //
375 // Ultralight C Authentication Demo {currently uses hard-coded key}
376 //
377 int CmdHF14AMfucAuth(const char *Cmd){
378
379 uint8_t default_keys[5][16] = {
380 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
381 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
382 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
383 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
384 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 } // all ones
385 };
386
387 char cmdp = param_getchar(Cmd, 0);
388
389 uint8_t keyNo = 0;
390 bool errors = false;
391 //Change key to user defined one
392 if (cmdp == 'k' || cmdp == 'K'){
393 keyNo = param_get8(Cmd, 1);
394 if(keyNo >= 4) errors = true;
395 }
396
397 if (cmdp == 'h' || cmdp == 'H') {
398 errors = true;
399 }
400
401 if (errors) {
402 PrintAndLog("Usage: hf mfu cauth k <key number>");
403 PrintAndLog(" 0 (default): 3DES standard key");
404 PrintAndLog(" 1 : all zeros key");
405 PrintAndLog(" 2 : 0x00-0x0F key");
406 PrintAndLog(" 3 : nfc key");
407 PrintAndLog(" 4 : all ones key");
408 PrintAndLog(" sample : hf mfu cauth k");
409 PrintAndLog(" : hf mfu cauth k 3");
410 return 0;
411 }
412
413 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
414 //uint8_t enc_random_a[8] = { 0 };
415 uint8_t random_b[8] = { 0 };
416 uint8_t enc_random_b[8] = { 0 };
417 uint8_t random_a_and_b[16] = { 0 };
418 des3_context ctx = { 0 };
419 uint8_t *key = default_keys[keyNo];
420 uint8_t blockNo = 0;
421 uint32_t cuid = 0;
422
423 //Auth1
424 UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
425 SendCommand(&c);
426 UsbCommand resp;
427 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
428 uint8_t isOK = resp.arg[0] & 0xff;
429 cuid = resp.arg[1];
430 uint8_t * data= resp.d.asBytes;
431
432 if (isOK){
433 PrintAndLog("enc(RndB):%s", sprint_hex(data+1, 8));
434 memcpy(enc_random_b,data+1,8);
435 } else {
436 PrintAndLog("Auth failed");
437 return 2; // auth failed.
438 }
439 } else {
440 PrintAndLog("Command execute timeout");
441 return 1;
442 }
443
444 uint8_t iv[8] = { 0 };
445 // Do we need random ? Right now we use all ones, is that random enough ?
446 // DES_random_key(&RndA);
447
448 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
449 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
450
451 des3_set2key_dec(&ctx, key);
452
453 des3_crypt_cbc(&ctx // des3_context *ctx
454 , DES_DECRYPT // int mode
455 , sizeof(random_b) // size_t length
456 , iv // unsigned char iv[8]
457 , enc_random_b // const unsigned char *input
458 , random_b // unsigned char *output
459 );
460
461 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
462
463 rol(random_b,8);
464 memcpy(random_a_and_b ,random_a,8);
465 memcpy(random_a_and_b+8,random_b,8);
466
467 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
468
469 des3_set2key_enc(&ctx, key);
470
471 des3_crypt_cbc(&ctx // des3_context *ctx
472 , DES_ENCRYPT // int mode
473 , sizeof(random_a_and_b) // size_t length
474 , enc_random_b // unsigned char iv[8]
475 , random_a_and_b // const unsigned char *input
476 , random_a_and_b // unsigned char *output
477 );
478
479 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
480
481 //Auth2
482 UsbCommand d = {CMD_MIFAREUC_AUTH2, {cuid}};
483 memcpy(d.d.asBytes,random_a_and_b, 16);
484 SendCommand(&d);
485
486 UsbCommand respb;
487 if (WaitForResponseTimeout(CMD_ACK,&respb,1500)) {
488 uint8_t isOK = respb.arg[0] & 0xff;
489 uint8_t * data2= respb.d.asBytes;
490
491 if (isOK){
492 PrintAndLog("enc(RndA'):%s", sprint_hex(data2+1, 8));
493 } else {
494 return 2;
495 }
496
497 } else {
498 PrintAndLog("Command execute timeout");
499 return 1;
500 }
501 return 0;
502 }
503 /**
504 A test function to validate that the polarssl-function works the same
505 was as the openssl-implementation.
506 Commented out, since it requires openssl
507
508 int CmdTestDES(const char * cmd)
509 {
510 uint8_t key[16] = {0x00};
511
512 memcpy(key,key3_3des_data,16);
513 DES_cblock RndA, RndB;
514
515 PrintAndLog("----------OpenSSL DES implementation----------");
516 {
517 uint8_t e_RndB[8] = {0x00};
518 unsigned char RndARndB[16] = {0x00};
519
520 DES_cblock iv = { 0 };
521 DES_key_schedule ks1,ks2;
522 DES_cblock key1,key2;
523
524 memcpy(key,key3_3des_data,16);
525 memcpy(key1,key,8);
526 memcpy(key2,key+8,8);
527
528
529 DES_set_key((DES_cblock *)key1,&ks1);
530 DES_set_key((DES_cblock *)key2,&ks2);
531
532 DES_random_key(&RndA);
533 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
534 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
535 //void DES_ede2_cbc_encrypt(const unsigned char *input,
536 // unsigned char *output, long length, DES_key_schedule *ks1,
537 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
538 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
539
540 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
541 rol(RndB,8);
542 memcpy(RndARndB,RndA,8);
543 memcpy(RndARndB+8,RndB,8);
544 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
545 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
546 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
547
548 }
549 PrintAndLog("----------PolarSSL implementation----------");
550 {
551 uint8_t random_a[8] = { 0 };
552 uint8_t enc_random_a[8] = { 0 };
553 uint8_t random_b[8] = { 0 };
554 uint8_t enc_random_b[8] = { 0 };
555 uint8_t random_a_and_b[16] = { 0 };
556 des3_context ctx = { 0 };
557
558 memcpy(random_a, RndA,8);
559
560 uint8_t output[8] = { 0 };
561 uint8_t iv[8] = { 0 };
562
563 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
564 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
565
566 des3_set2key_dec(&ctx, key);
567
568 des3_crypt_cbc(&ctx // des3_context *ctx
569 , DES_DECRYPT // int mode
570 , sizeof(random_b) // size_t length
571 , iv // unsigned char iv[8]
572 , enc_random_b // const unsigned char *input
573 , random_b // unsigned char *output
574 );
575
576 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
577
578 rol(random_b,8);
579 memcpy(random_a_and_b ,random_a,8);
580 memcpy(random_a_and_b+8,random_b,8);
581
582 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
583
584 des3_set2key_enc(&ctx, key);
585
586 des3_crypt_cbc(&ctx // des3_context *ctx
587 , DES_ENCRYPT // int mode
588 , sizeof(random_a_and_b) // size_t length
589 , enc_random_b // unsigned char iv[8]
590 , random_a_and_b // const unsigned char *input
591 , random_a_and_b // unsigned char *output
592 );
593
594 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
595 }
596 return 0;
597 }
598 **/
599 //
600 // Ultralight C Read Single Block
601 //
602 int CmdHF14AMfUCRdBl(const char *Cmd)
603 {
604 uint8_t blockNo = -1;
605 char cmdp = param_getchar(Cmd, 0);
606
607 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
608 PrintAndLog("Usage: hf mfu crdbl <block number>");
609 PrintAndLog(" sample: hf mfu crdbl 0");
610 return 0;
611 }
612
613 blockNo = param_get8(Cmd, 0);
614 if (blockNo < 0) {
615 PrintAndLog("Wrong block number");
616 return 1;
617 }
618
619 if (blockNo > MAX_ULTRAC_BLOCKS ){
620 PrintAndLog("Error: Maximum number of readable blocks is 47 for Ultralight-C Cards!");
621 return 1;
622 }
623
624 PrintAndLog("--block no: 0x%02X (%d)", (int)blockNo, blockNo);
625
626 //Read Block
627 UsbCommand e = {CMD_MIFAREU_READBL, {blockNo}};
628 SendCommand(&e);
629 UsbCommand resp_c;
630 if (WaitForResponseTimeout(CMD_ACK,&resp_c,1500)) {
631 uint8_t isOK = resp_c.arg[0] & 0xff;
632 uint8_t *data = resp_c.d.asBytes;
633
634 PrintAndLog("isOk: %02x", isOK);
635 if (isOK)
636 PrintAndLog("Data: %s", sprint_hex(data, 4));
637
638 } else {
639 PrintAndLog("Command execute timeout");
640 }
641 return 0;
642 }
643
644 //
645 // Mifare Ultralight C Write Single Block
646 //
647 int CmdHF14AMfUCWrBl(const char *Cmd){
648
649 uint8_t blockNo = -1;
650 bool chinese_card = FALSE;
651 uint8_t bldata[16] = {0x00};
652 UsbCommand resp;
653
654 char cmdp = param_getchar(Cmd, 0);
655
656 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
657 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
658 PrintAndLog(" [block number]");
659 PrintAndLog(" [block data] - (8 hex symbols)");
660 PrintAndLog(" [w] - Chinese magic ultralight tag");
661 PrintAndLog("");
662 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
663 PrintAndLog("");
664 return 0;
665 }
666
667 blockNo = param_get8(Cmd, 0);
668 if (blockNo > MAX_ULTRAC_BLOCKS ){
669 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
670 return 1;
671 }
672
673 if (param_gethex(Cmd, 1, bldata, 8)) {
674 PrintAndLog("Block data must include 8 HEX symbols");
675 return 1;
676 }
677
678 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
679 chinese_card = TRUE;
680 }
681
682 if ( blockNo <= 3 ) {
683 if (!chinese_card){
684 PrintAndLog("Access Denied");
685 } else {
686 PrintAndLog("--Special block no: 0x%02x", blockNo);
687 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
688 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
689 memcpy(d.d.asBytes,bldata, 4);
690 SendCommand(&d);
691 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
692 uint8_t isOK = resp.arg[0] & 0xff;
693 PrintAndLog("isOk:%02x", isOK);
694 } else {
695 PrintAndLog("Command execute timeout");
696 }
697 }
698 } else {
699 PrintAndLog("--Block no : 0x%02x", blockNo);
700 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
701 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
702 memcpy(e.d.asBytes,bldata, 4);
703 SendCommand(&e);
704 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
705 uint8_t isOK = resp.arg[0] & 0xff;
706 PrintAndLog("isOk : %02x", isOK);
707 } else {
708 PrintAndLog("Command execute timeout");
709 }
710 }
711 return 0;
712 }
713
714 //------------------------------------
715 // Menu Stuff
716 //------------------------------------
717 static command_t CommandTable[] =
718 {
719 {"help", CmdHelp, 1,"This help"},
720 {"dbg", CmdHF14AMfDbg, 0,"Set default debug mode"},
721 {"info", CmdHF14AMfUInfo, 0,"Taginfo"},
722 {"dump", CmdHF14AMfUDump, 0,"Dump MIFARE Ultralight / Ultralight-C tag to binary file"},
723 {"rdbl", CmdHF14AMfURdBl, 0,"Read block - MIFARE Ultralight"},
724 {"wrbl", CmdHF14AMfUWrBl, 0,"Write block - MIFARE Ultralight"},
725 {"crdbl", CmdHF14AMfUCRdBl, 0,"Read block - MIFARE Ultralight C"},
726 {"cwrbl", CmdHF14AMfUCWrBl, 0,"Write MIFARE Ultralight C block"},
727 {"cauth", CmdHF14AMfucAuth, 0,"try a Ultralight C Authentication"},
728 //{"testdes", CmdTestDES , 1, "Test DES"},
729 {NULL, NULL, 0, NULL}
730 };
731
732 int CmdHFMFUltra(const char *Cmd){
733 WaitForResponseTimeout(CMD_ACK,NULL,100);
734 CmdsParse(CommandTable, Cmd);
735 return 0;
736 }
737
738 int CmdHelp(const char *Cmd){
739 CmdsHelp(CommandTable);
740 return 0;
741 }
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