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ADD: HF MFU SETUID, this commands helps changing the UID on a magic UL, UL-C...
[proxmark3-svn] / client / cmdhfmfu.c
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 "loclass/des.h"
11 #include "cmdhfmfu.h"
12 #include "cmdhfmf.h"
13 #include "cmdhf14a.h"
14 #include "mifare.h"
15
16 #define MAX_ULTRA_BLOCKS 0x0f
17 #define MAX_ULTRAC_BLOCKS 0x2f
18 //#define MAX_ULTRAC_BLOCKS 0x2c
19
20 static int CmdHelp(const char *Cmd);
21
22 int CmdHF14AMfUInfo(const char *Cmd){
23
24 uint8_t datatemp[7] = {0x00};
25 uint8_t isOK = 0;
26 uint8_t data[16] = {0x00};
27
28 UsbCommand c = {CMD_MIFAREU_READCARD, {0, 4}};
29 SendCommand(&c);
30 UsbCommand resp;
31
32 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
33 isOK = resp.arg[0] & 0xff;
34 memcpy(data, resp.d.asBytes, sizeof(data));
35
36 if (!isOK) {
37 PrintAndLog("Error reading from tag");
38 return -1;
39 }
40 } else {
41 PrintAndLog("Command execute timed out");
42 return -1;
43 }
44
45 PrintAndLog("\n-- Tag Information ---------");
46 PrintAndLog("-------------------------------------------------------------");
47
48 UsbCommand cmd = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC , 1, 0}};
49 cmd.d.asBytes[0] = 0x60;
50 SendCommand(&cmd);
51 WaitForResponse(CMD_ACK, &resp);
52
53 if ( resp.arg[0] ) {
54 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
55
56 uint8_t version[8] = {0,0,0,0,0,0,0,0};
57 memcpy(&version, resp.d.asBytes, sizeof(version));
58 uint8_t len = resp.arg[0] & 0xff;
59 switch (len) {
60 // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
61 // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
62 case 0x0A:PrintAndLog(" TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128); break;
63 case 0x01:PrintAndLog(" TYPE : NXP MIFARE Ultralight C");break;
64 case 0x00:PrintAndLog(" TYPE : NXP MIFARE Ultralight");break;
65 }
66 }
67 }
68 // TODO:
69 // Answers to 0x1A == UL-C
70 // NONCE seems to be fixed for my Magic UL-C. How to detect a Magic UL?
71 // maybe read Block0, change 1 byte, write back, and see if it failes or not. If magic, revert changes made?
72
73 // UID
74 memcpy( datatemp, data, 3);
75 memcpy( datatemp+3, data+4, 4);
76
77 PrintAndLog("MANUFACTURER : %s", getTagInfo(datatemp[0]));
78 PrintAndLog(" UID : %s ", sprint_hex(datatemp, 7));
79 // BBC
80 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
81 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
82 if ( data[3] == crc0 )
83 PrintAndLog(" BCC0 : %02x - Ok", data[3]);
84 else
85 PrintAndLog(" BCC0 : %02x - crc should be %02x", data[3], crc0);
86
87 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
88 if ( data[8] == crc1 )
89 PrintAndLog(" BCC1 : %02x - Ok", data[8]);
90 else
91 PrintAndLog(" BCC1 : %02x - crc should be %02x", data[8], crc1 );
92
93 PrintAndLog(" Internal : %s ", sprint_hex(data + 9, 1));
94
95 memcpy(datatemp, data+10, 2);
96 PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
97 PrintAndLog(" OneTimePad : %s ", sprint_hex(data + 3*4, 4));
98 PrintAndLog("");
99 return 0;
100 }
101
102 //
103 // Mifare Ultralight Write Single Block
104 //
105 int CmdHF14AMfUWrBl(const char *Cmd){
106 uint8_t blockNo = -1;
107 bool chinese_card = FALSE;
108 uint8_t bldata[16] = {0x00};
109 UsbCommand resp;
110
111 char cmdp = param_getchar(Cmd, 0);
112 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
113 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
114 PrintAndLog(" [block number]");
115 PrintAndLog(" [block data] - (8 hex symbols)");
116 PrintAndLog(" [w] - Chinese magic ultralight tag");
117 PrintAndLog("");
118 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
119 PrintAndLog("");
120 return 0;
121 }
122
123 blockNo = param_get8(Cmd, 0);
124
125 if (blockNo > MAX_ULTRA_BLOCKS){
126 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
127 return 1;
128 }
129
130 if (param_gethex(Cmd, 1, bldata, 8)) {
131 PrintAndLog("Block data must include 8 HEX symbols");
132 return 1;
133 }
134
135 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
136 chinese_card = TRUE;
137 }
138
139 if ( blockNo <= 3) {
140 if (!chinese_card){
141 PrintAndLog("Access Denied");
142 } else {
143 PrintAndLog("--specialblock no:%02x", blockNo);
144 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
145 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
146 memcpy(d.d.asBytes,bldata, 4);
147 SendCommand(&d);
148 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
149 uint8_t isOK = resp.arg[0] & 0xff;
150 PrintAndLog("isOk:%02x", isOK);
151 } else {
152 PrintAndLog("Command execute timeout");
153 }
154 }
155 } else {
156 PrintAndLog("--block no:%02x", blockNo);
157 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
158 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
159 memcpy(e.d.asBytes,bldata, 4);
160 SendCommand(&e);
161 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
162 uint8_t isOK = resp.arg[0] & 0xff;
163 PrintAndLog("isOk:%02x", isOK);
164 } else {
165 PrintAndLog("Command execute timeout");
166 }
167 }
168 return 0;
169 }
170
171 //
172 // Mifare Ultralight Read Single Block
173 //
174 int CmdHF14AMfURdBl(const char *Cmd){
175
176 UsbCommand resp;
177 uint8_t blockNo = -1;
178 char cmdp = param_getchar(Cmd, 0);
179
180 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
181 PrintAndLog("Usage: hf mfu rdbl <block number>");
182 PrintAndLog(" sample: hfu mfu rdbl 0");
183 return 0;
184 }
185
186 blockNo = param_get8(Cmd, 0);
187
188 if (blockNo > MAX_ULTRA_BLOCKS){
189 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
190 return 1;
191 }
192
193 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
194 SendCommand(&c);
195
196
197 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
198 uint8_t isOK = resp.arg[0] & 0xff;
199 if (isOK) {
200 uint8_t *data = resp.d.asBytes;
201 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
202 }
203 else {
204 PrintAndLog("Failed reading block: (%02x)", isOK);
205 }
206 } else {
207 PrintAndLog("Command execute time-out");
208 }
209
210 return 0;
211 }
212
213 //
214 // Mifare Ultralight / Ultralight-C; Read and Dump Card Contents
215 //
216 int CmdHF14AMfUDump(const char *Cmd){
217
218 FILE *fout;
219 char filename[FILE_PATH_SIZE] = {0x00};
220 char * fnameptr = filename;
221
222 uint8_t *lockbytes_t = NULL;
223 uint8_t lockbytes[2] = {0x00};
224
225 uint8_t *lockbytes_t2 = NULL;
226 uint8_t lockbytes2[2] = {0x00};
227
228 bool bit[16] = {0x00};
229 bool bit2[16] = {0x00};
230
231 int i;
232 uint8_t BlockNo = 0;
233 int Pages = 16;
234
235 bool tmplockbit = false;
236 uint8_t isOK = 0;
237 uint8_t *data = NULL;
238
239 char cmdp = param_getchar(Cmd, 0);
240
241 if (cmdp == 'h' || cmdp == 'H') {
242 PrintAndLog("Reads all pages from Mifare Ultralight or Ultralight-C tag.");
243 PrintAndLog("It saves binary dump into the file `filename.bin` or `cardUID.bin`");
244 PrintAndLog("Usage: hf mfu dump <c> <filename w/o .bin>");
245 PrintAndLog(" <c> optional cardtype c == Ultralight-C, Defaults to Ultralight");
246 PrintAndLog(" sample: hf mfu dump");
247 PrintAndLog(" : hf mfu dump myfile");
248 PrintAndLog(" : hf mfu dump c myfile");
249 return 0;
250 }
251
252 // UL or UL-C?
253 Pages = (cmdp == 'c' || cmdp == 'C') ? 44 : 16;
254
255 PrintAndLog("Dumping Ultralight%s Card Data...", (Pages ==16)?"":"-C");
256
257 UsbCommand c = {CMD_MIFAREU_READCARD, {BlockNo,Pages}};
258 SendCommand(&c);
259 UsbCommand resp;
260
261 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
262 isOK = resp.arg[0] & 0xff;
263 if (!isOK) {
264 PrintAndLog("Command error");
265 return 0;
266 }
267 data = resp.d.asBytes;
268 } else {
269 PrintAndLog("Command execute time-out");
270 return 0;
271 }
272
273 // Load lock bytes.
274 int j = 0;
275
276 lockbytes_t = data + 8;
277 lockbytes[0] = lockbytes_t[2];
278 lockbytes[1] = lockbytes_t[3];
279 for(j = 0; j < 16; j++){
280 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
281 }
282
283 // Load bottom lockbytes if available
284 if ( Pages == 44 ) {
285
286 lockbytes_t2 = data + (40*4);
287 lockbytes2[0] = lockbytes_t2[2];
288 lockbytes2[1] = lockbytes_t2[3];
289 for (j = 0; j < 16; j++) {
290 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
291 }
292 }
293
294 for (i = 0; i < Pages; ++i) {
295
296 if ( i < 3 ) {
297 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
298 continue;
299 }
300
301 switch(i){
302 case 3: tmplockbit = bit[4]; break;
303 case 4: tmplockbit = bit[3]; break;
304 case 5: tmplockbit = bit[2]; break;
305 case 6: tmplockbit = bit[1]; break;
306 case 7: tmplockbit = bit[0]; break;
307 case 8: tmplockbit = bit[15]; break;
308 case 9: tmplockbit = bit[14]; break;
309 case 10: tmplockbit = bit[13]; break;
310 case 11: tmplockbit = bit[12]; break;
311 case 12: tmplockbit = bit[11]; break;
312 case 13: tmplockbit = bit[10]; break;
313 case 14: tmplockbit = bit[9]; break;
314 case 15: tmplockbit = bit[8]; break;
315 case 16:
316 case 17:
317 case 18:
318 case 19: tmplockbit = bit2[6]; break;
319 case 20:
320 case 21:
321 case 22:
322 case 23: tmplockbit = bit2[5]; break;
323 case 24:
324 case 25:
325 case 26:
326 case 27: tmplockbit = bit2[4]; break;
327 case 28:
328 case 29:
329 case 30:
330 case 31: tmplockbit = bit2[2]; break;
331 case 32:
332 case 33:
333 case 34:
334 case 35: tmplockbit = bit2[1]; break;
335 case 36:
336 case 37:
337 case 38:
338 case 39: tmplockbit = bit2[0]; break;
339 case 40: tmplockbit = bit2[12]; break;
340 case 41: tmplockbit = bit2[11]; break;
341 case 42: tmplockbit = bit2[10]; break; //auth0
342 case 43: tmplockbit = bit2[9]; break; //auth1
343 default: break;
344 }
345 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
346 }
347
348 int len = 0;
349 if ( Pages == 16 )
350 len = param_getstr(Cmd,0,filename);
351 else
352 len = param_getstr(Cmd,1,filename);
353
354 if (len > FILE_PATH_SIZE-5) len = FILE_PATH_SIZE-5;
355
356 // user supplied filename?
357 if (len < 1) {
358
359 // UID = data 0-1-2 4-5-6-7 (skips a beat)
360 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
361 data[0],data[1], data[2], data[4],data[5],data[6], data[7]);
362
363 } else {
364 sprintf(fnameptr + len," .bin");
365 }
366
367
368 if ((fout = fopen(filename,"wb")) == NULL) {
369 PrintAndLog("Could not create file name %s", filename);
370 return 1;
371 }
372 fwrite( data, 1, Pages*4, fout );
373 fclose(fout);
374
375 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
376 return 0;
377 }
378
379 // Needed to Authenticate to Ultralight C tags
380 void rol (uint8_t *data, const size_t len){
381 uint8_t first = data[0];
382 for (size_t i = 0; i < len-1; i++) {
383 data[i] = data[i+1];
384 }
385 data[len-1] = first;
386 }
387
388 //-------------------------------------------------------------------------------
389 // Ultralight C Methods
390 //-------------------------------------------------------------------------------
391
392 //
393 // Ultralight C Authentication Demo {currently uses hard-coded key}
394 //
395 int CmdHF14AMfucAuth(const char *Cmd){
396
397 uint8_t default_keys[7][16] = {
398 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
399 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
400 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
401 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
402 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
403 { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
404 { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
405 };
406
407 char cmdp = param_getchar(Cmd, 0);
408
409 uint8_t keyNo = 0;
410 bool errors = false;
411 //Change key to user defined one
412 if (cmdp == 'k' || cmdp == 'K'){
413 keyNo = param_get8(Cmd, 1);
414 if(keyNo > 6) errors = true;
415 }
416
417 if (cmdp == 'h' || cmdp == 'H') {
418 errors = true;
419 }
420
421 if (errors) {
422 PrintAndLog("Usage: hf mfu cauth k <key number>");
423 PrintAndLog(" 0 (default): 3DES standard key");
424 PrintAndLog(" 1 : all 0x00 key");
425 PrintAndLog(" 2 : 0x00-0x0F key");
426 PrintAndLog(" 3 : nfc key");
427 PrintAndLog(" 4 : all 0x01 key");
428 PrintAndLog(" 5 : all 0xff key");
429 PrintAndLog(" 6 : 0x00-0xFF key");
430 PrintAndLog("\n sample : hf mfu cauth k");
431 PrintAndLog(" : hf mfu cauth k 3");
432 return 0;
433 }
434
435 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
436 //uint8_t enc_random_a[8] = { 0 };
437 uint8_t random_b[8] = { 0 };
438 uint8_t enc_random_b[8] = { 0 };
439 uint8_t random_a_and_b[16] = { 0 };
440 des3_context ctx = { 0 };
441 uint8_t *key = default_keys[keyNo];
442 uint8_t blockNo = 0;
443 uint32_t cuid = 0;
444
445 //Auth1
446 UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
447 SendCommand(&c);
448 UsbCommand resp;
449 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
450 uint8_t isOK = resp.arg[0] & 0xff;
451 cuid = resp.arg[1];
452 uint8_t * data= resp.d.asBytes;
453
454 if (isOK){
455 memcpy(enc_random_b,data+1,8);
456 } else {
457 PrintAndLog("Auth failed");
458 return 2;
459 }
460 } else {
461 PrintAndLog("Command execute timeout");
462 return 1;
463 }
464 uint8_t iv[8] = { 0 };
465
466 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
467 PrintAndLog(" enc(RndB):%s",sprint_hex(enc_random_b, 8));
468
469 des3_set2key_dec(&ctx, key);
470
471 des3_crypt_cbc(&ctx // des3_context *ctx
472 , DES_DECRYPT // int mode
473 , sizeof(random_b) // size_t length
474 , iv // unsigned char iv[8]
475 , enc_random_b // const unsigned char *input
476 , random_b // unsigned char *output
477 );
478
479 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
480
481 rol(random_b,8);
482 memcpy(random_a_and_b ,random_a,8);
483 memcpy(random_a_and_b+8,random_b,8);
484
485 PrintAndLog(" A+B:%s",sprint_hex(random_a_and_b, 16));
486
487 des3_set2key_enc(&ctx, key);
488
489 des3_crypt_cbc(&ctx // des3_context *ctx
490 , DES_ENCRYPT // int mode
491 , sizeof(random_a_and_b) // size_t length
492 , enc_random_b // unsigned char iv[8]
493 , random_a_and_b // const unsigned char *input
494 , random_a_and_b // unsigned char *output
495 );
496
497 PrintAndLog("enc(A+B):%s",sprint_hex(random_a_and_b, 16));
498
499 //Auth2
500 UsbCommand d = {CMD_MIFAREUC_AUTH2, {cuid}};
501 memcpy(d.d.asBytes,random_a_and_b, 16);
502 SendCommand(&d);
503
504 UsbCommand respb;
505 if (WaitForResponseTimeout(CMD_ACK,&respb,1500)) {
506 uint8_t isOK = respb.arg[0] & 0xff;
507 uint8_t * data2= respb.d.asBytes;
508
509 if (isOK){
510 PrintAndLog("enc(RndA'):%s", sprint_hex(data2+1, 8));
511
512 uint8_t foo[8] = { 0 };
513 uint8_t bar[8] = { 0 };
514 memcpy(foo, data2+1, 8);
515 des3_set2key_dec(&ctx, key);
516
517 des3_crypt_cbc(&ctx // des3_context *ctx
518 , DES_DECRYPT // int mode
519 , 8 // size_t length
520 , enc_random_b // unsigned char iv[8]
521 , foo // const unsigned char *input
522 , bar // unsigned char *output
523 );
524
525 PrintAndLog("--> : %s : <-- Should be equal to our RndA",sprint_hex(bar, 8));
526
527
528 } else {
529 return 2;
530 }
531
532 } else {
533 PrintAndLog("Command execute timeout");
534 return 1;
535 }
536 return 0;
537 }
538 /**
539 A test function to validate that the polarssl-function works the same
540 was as the openssl-implementation.
541 Commented out, since it requires openssl
542
543 int CmdTestDES(const char * cmd)
544 {
545 uint8_t key[16] = {0x00};
546
547 memcpy(key,key3_3des_data,16);
548 DES_cblock RndA, RndB;
549
550 PrintAndLog("----------OpenSSL DES implementation----------");
551 {
552 uint8_t e_RndB[8] = {0x00};
553 unsigned char RndARndB[16] = {0x00};
554
555 DES_cblock iv = { 0 };
556 DES_key_schedule ks1,ks2;
557 DES_cblock key1,key2;
558
559 memcpy(key,key3_3des_data,16);
560 memcpy(key1,key,8);
561 memcpy(key2,key+8,8);
562
563
564 DES_set_key((DES_cblock *)key1,&ks1);
565 DES_set_key((DES_cblock *)key2,&ks2);
566
567 DES_random_key(&RndA);
568 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
569 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
570 //void DES_ede2_cbc_encrypt(const unsigned char *input,
571 // unsigned char *output, long length, DES_key_schedule *ks1,
572 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
573 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
574
575 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
576 rol(RndB,8);
577 memcpy(RndARndB,RndA,8);
578 memcpy(RndARndB+8,RndB,8);
579 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
580 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
581 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
582
583 }
584 PrintAndLog("----------PolarSSL implementation----------");
585 {
586 uint8_t random_a[8] = { 0 };
587 uint8_t enc_random_a[8] = { 0 };
588 uint8_t random_b[8] = { 0 };
589 uint8_t enc_random_b[8] = { 0 };
590 uint8_t random_a_and_b[16] = { 0 };
591 des3_context ctx = { 0 };
592
593 memcpy(random_a, RndA,8);
594
595 uint8_t output[8] = { 0 };
596 uint8_t iv[8] = { 0 };
597
598 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
599 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
600
601 des3_set2key_dec(&ctx, key);
602
603 des3_crypt_cbc(&ctx // des3_context *ctx
604 , DES_DECRYPT // int mode
605 , sizeof(random_b) // size_t length
606 , iv // unsigned char iv[8]
607 , enc_random_b // const unsigned char *input
608 , random_b // unsigned char *output
609 );
610
611 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
612
613 rol(random_b,8);
614 memcpy(random_a_and_b ,random_a,8);
615 memcpy(random_a_and_b+8,random_b,8);
616
617 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
618
619 des3_set2key_enc(&ctx, key);
620
621 des3_crypt_cbc(&ctx // des3_context *ctx
622 , DES_ENCRYPT // int mode
623 , sizeof(random_a_and_b) // size_t length
624 , enc_random_b // unsigned char iv[8]
625 , random_a_and_b // const unsigned char *input
626 , random_a_and_b // unsigned char *output
627 );
628
629 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
630 }
631 return 0;
632 }
633 **/
634 //
635 // Ultralight C Read Single Block
636 //
637 int CmdHF14AMfUCRdBl(const char *Cmd)
638 {
639 UsbCommand resp;
640 bool hasPwd = FALSE;
641 uint8_t blockNo = -1;
642 unsigned char key[16];
643 char cmdp = param_getchar(Cmd, 0);
644
645 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
646 PrintAndLog("Usage: hf mfu crdbl <block number> <password>");
647 PrintAndLog("");
648 PrintAndLog("sample: hf mfu crdbl 0");
649 PrintAndLog(" hf mfu crdbl 0 112233445566778899AABBCCDDEEFF");
650 return 0;
651 }
652
653 blockNo = param_get8(Cmd, 0);
654 if (blockNo < 0) {
655 PrintAndLog("Wrong block number");
656 return 1;
657 }
658
659 if (blockNo > MAX_ULTRAC_BLOCKS ){
660 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
661 return 1;
662 }
663
664 // key
665 if ( strlen(Cmd) > 3){
666 if (param_gethex(Cmd, 1, key, 32)) {
667 PrintAndLog("Key must include %d HEX symbols", 32);
668 return 1;
669 } else {
670 hasPwd = TRUE;
671 }
672 }
673
674 //Read Block
675 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
676 if ( hasPwd ) {
677 c.arg[1] = 1;
678 memcpy(c.d.asBytes,key,16);
679 }
680 SendCommand(&c);
681
682 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
683 uint8_t isOK = resp.arg[0] & 0xff;
684 if (isOK) {
685 uint8_t *data = resp.d.asBytes;
686 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
687 }
688 else {
689 PrintAndLog("Failed reading block: (%02x)", isOK);
690 }
691 } else {
692 PrintAndLog("Command execute time-out");
693 }
694 return 0;
695 }
696
697 //
698 // Mifare Ultralight C Write Single Block
699 //
700 int CmdHF14AMfUCWrBl(const char *Cmd){
701
702 uint8_t blockNo = -1;
703 bool chinese_card = FALSE;
704 uint8_t bldata[16] = {0x00};
705 UsbCommand resp;
706
707 char cmdp = param_getchar(Cmd, 0);
708
709 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
710 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
711 PrintAndLog(" [block number]");
712 PrintAndLog(" [block data] - (8 hex symbols)");
713 PrintAndLog(" [w] - Chinese magic ultralight tag");
714 PrintAndLog("");
715 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
716 PrintAndLog("");
717 return 0;
718 }
719
720 blockNo = param_get8(Cmd, 0);
721 if (blockNo > MAX_ULTRAC_BLOCKS ){
722 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
723 return 1;
724 }
725
726 if (param_gethex(Cmd, 1, bldata, 8)) {
727 PrintAndLog("Block data must include 8 HEX symbols");
728 return 1;
729 }
730
731 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
732 chinese_card = TRUE;
733 }
734
735 if ( blockNo <= 3 ) {
736 if (!chinese_card){
737 PrintAndLog("Access Denied");
738 } else {
739 PrintAndLog("--Special block no: 0x%02x", blockNo);
740 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
741 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
742 memcpy(d.d.asBytes,bldata, 4);
743 SendCommand(&d);
744 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
745 uint8_t isOK = resp.arg[0] & 0xff;
746 PrintAndLog("isOk:%02x", isOK);
747 } else {
748 PrintAndLog("Command execute timeout");
749 }
750 }
751 } else {
752 PrintAndLog("--Block no : 0x%02x", blockNo);
753 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
754 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
755 memcpy(e.d.asBytes,bldata, 4);
756 SendCommand(&e);
757 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
758 uint8_t isOK = resp.arg[0] & 0xff;
759 PrintAndLog("isOk : %02x", isOK);
760 } else {
761 PrintAndLog("Command execute timeout");
762 }
763 }
764 return 0;
765 }
766
767 //
768 // Mifare Ultralight C - Set password
769 //
770 int CmdHF14AMfucSetPwd(const char *Cmd){
771
772 uint8_t pwd[16] = {0x00};
773
774 char cmdp = param_getchar(Cmd, 0);
775
776 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
777 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
778 PrintAndLog(" [password] - (32 hex symbols)");
779 PrintAndLog("");
780 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
781 PrintAndLog("");
782 return 0;
783 }
784
785 if (param_gethex(Cmd, 0, pwd, 32)) {
786 PrintAndLog("Password must include 32 HEX symbols");
787 return 1;
788 }
789
790 UsbCommand c = {CMD_MIFAREUC_SETPWD};
791 memcpy( c.d.asBytes, pwd, 16);
792 SendCommand(&c);
793
794 UsbCommand resp;
795
796 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
797 if ( (resp.arg[0] & 0xff) == 1)
798 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
799 else{
800 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
801 return 1;
802 }
803 }
804 else {
805 PrintAndLog("command execution time out");
806 return 1;
807 }
808
809 return 0;
810 }
811
812 //
813 // Mifare Ultraligh - Set UID
814 //
815 int CmdHF14AMfucSetUid(const char *Cmd){
816
817 UsbCommand c;
818 UsbCommand resp;
819 uint8_t uid[7] = {0x00};
820 char cmdp = param_getchar(Cmd, 0);
821
822 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
823 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
824 PrintAndLog(" [uid] - (14 hex symbols)");
825 PrintAndLog("\nThis only works for Magic Ultralight tags.");
826 PrintAndLog("");
827 PrintAndLog("sample: hf mfu setuid 11223344556677");
828 PrintAndLog("");
829 return 0;
830 }
831
832 if (param_gethex(Cmd, 0, uid, 14)) {
833 PrintAndLog("UID must include 14 HEX symbols");
834 return 1;
835 }
836
837 // read block2.
838 c.cmd = CMD_MIFAREU_READBL;
839 c.arg[0] = 2;
840 SendCommand(&c);
841 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
842 PrintAndLog("Command execute timeout");
843 return 2;
844 }
845
846 // save old block2.
847 uint8_t oldblock2[4] = {0x00};
848 memcpy(resp.d.asBytes, oldblock2, 4);
849
850 // block 0.
851 c.cmd = CMD_MIFAREU_WRITEBL;
852 c.arg[0] = 0;
853 c.d.asBytes[0] = uid[0];
854 c.d.asBytes[1] = uid[1];
855 c.d.asBytes[2] = uid[2];
856 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
857 SendCommand(&c);
858 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
859 PrintAndLog("Command execute timeout");
860 return 3;
861 }
862
863 // block 1.
864 c.arg[0] = 1;
865 c.d.asBytes[0] = uid[3];
866 c.d.asBytes[1] = uid[4];
867 c.d.asBytes[2] = uid[5];
868 c.d.asBytes[3] = uid[6];
869 SendCommand(&c);
870 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
871 PrintAndLog("Command execute timeout");
872 return 4;
873 }
874
875 // block 2.
876 c.arg[0] = 2;
877 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
878 c.d.asBytes[1] = oldblock2[1];
879 c.d.asBytes[2] = oldblock2[2];
880 c.d.asBytes[3] = oldblock2[3];
881 SendCommand(&c);
882 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
883 PrintAndLog("Command execute timeout");
884 return 5;
885 }
886
887 return 0;
888 }
889
890 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
891
892 uint8_t iv[8] = { 0x00 };
893 uint8_t block = 0x07;
894
895 // UL-EV1
896 //04 57 b6 e2 05 3f 80 UID
897 //4a f8 4b 19 PWD
898 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
899 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
900 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
901 uint8_t dkeyA[8] = { 0x00 };
902 uint8_t dkeyB[8] = { 0x00 };
903
904 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
905
906 uint8_t mix[8] = { 0x00 };
907 uint8_t divkey[8] = { 0x00 };
908
909 memcpy(mix, mifarekeyA, 4);
910
911 mix[4] = mifarekeyA[4] ^ uid[0];
912 mix[5] = mifarekeyA[5] ^ uid[1];
913 mix[6] = block ^ uid[2];
914 mix[7] = uid[3];
915
916 des3_context ctx = { 0x00 };
917 des3_set2key_enc(&ctx, masterkey);
918
919 des3_crypt_cbc(&ctx // des3_context
920 , DES_ENCRYPT // int mode
921 , sizeof(mix) // length
922 , iv // iv[8]
923 , mix // input
924 , divkey // output
925 );
926
927 PrintAndLog("3DES version");
928 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
929 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
930 PrintAndLog("Sector :\t %0d", block);
931 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
932 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
933 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
934
935 PrintAndLog("\n DES version");
936
937 for (int i=0; i < sizeof(mifarekeyA); ++i){
938 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
939 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
940 }
941
942 for (int i=0; i < sizeof(mifarekeyB); ++i){
943 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
944 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
945 }
946
947 uint8_t zeros[8] = {0x00};
948 uint8_t newpwd[8] = {0x00};
949 uint8_t dmkey[24] = {0x00};
950 memcpy(dmkey, dkeyA, 8);
951 memcpy(dmkey+8, dkeyB, 8);
952 memcpy(dmkey+16, dkeyA, 8);
953 memset(iv, 0x00, 8);
954
955 des3_set3key_enc(&ctx, dmkey);
956
957 des3_crypt_cbc(&ctx // des3_context
958 , DES_ENCRYPT // int mode
959 , sizeof(newpwd) // length
960 , iv // iv[8]
961 , zeros // input
962 , newpwd // output
963 );
964
965 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
966 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
967 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
968 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
969
970 return 0;
971 }
972
973 // static uint8_t * diversify_key(uint8_t * key){
974
975 // for(int i=0; i<16; i++){
976 // if(i<=6) key[i]^=cuid[i];
977 // if(i>6) key[i]^=cuid[i%7];
978 // }
979 // return key;
980 // }
981
982 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
983 // for (int i=0; i<len; ++i){
984
985 // }
986 // return;
987 // }
988
989 //------------------------------------
990 // Menu Stuff
991 //------------------------------------
992 static command_t CommandTable[] =
993 {
994 {"help", CmdHelp, 1,"This help"},
995 {"dbg", CmdHF14AMfDbg, 0,"Set default debug mode"},
996 {"info", CmdHF14AMfUInfo, 0,"Taginfo"},
997 {"dump", CmdHF14AMfUDump, 0,"Dump MIFARE Ultralight / Ultralight-C tag to binary file"},
998 {"rdbl", CmdHF14AMfURdBl, 0,"Read block - MIFARE Ultralight"},
999 {"wrbl", CmdHF14AMfUWrBl, 0,"Write block - MIFARE Ultralight"},
1000 {"crdbl", CmdHF14AMfUCRdBl, 0,"Read block - MIFARE Ultralight C"},
1001 {"cwrbl", CmdHF14AMfUCWrBl, 0,"Write block - MIFARE Ultralight C"},
1002 {"cauth", CmdHF14AMfucAuth, 0,"Ultralight C Authentication"},
1003 //{"testdes", CmdTestDES , 1, "Test DES"},
1004 {"setpwd", CmdHF14AMfucSetPwd , 1, "Set 3des password [Ultralight-C only]"},
1005 {"setuid", CmdHF14AMfucSetUid , 1, "Set UID"},
1006 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1007 {NULL, NULL, 0, NULL}
1008 };
1009
1010 int CmdHFMFUltra(const char *Cmd){
1011 WaitForResponseTimeout(CMD_ACK,NULL,100);
1012 CmdsParse(CommandTable, Cmd);
1013 return 0;
1014 }
1015
1016 int CmdHelp(const char *Cmd){
1017 CmdsHelp(CommandTable);
1018 return 0;
1019 }
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