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CHG: the work in progress of making "HF MFU INFO" / "HF MFU DUMP" goes on.
[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_UL_BLOCKS 0x0f
17 #define MAX_ULC_BLOCKS 0x2f
18 #define MAX_ULEV1a_BLOCKS 0x0b;
19 #define MAX_ULEV1b_BLOCKS 0x20;
20
21 uint8_t default_3des_keys[7][16] = {
22 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
23 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
24 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
25 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
26 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
27 { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
28 { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
29 };
30
31 static int CmdHelp(const char *Cmd);
32
33 // return 1 if tag responded to 0x1A.
34 uint8_t requestAuthentication( uint8_t* nonce){
35
36 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC ,2 ,0}};
37 c.d.asBytes[0] = 0x1A;
38 c.d.asBytes[1] = 0x00;
39 SendCommand(&c);
40 UsbCommand resp;
41 WaitForResponse(CMD_ACK, &resp); // skip select answer.
42
43 if ( !(resp.arg[0] & 0xff) )
44 return 0;
45
46 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
47
48 if ( resp.arg[0] & 0xff ) {
49 memcpy(nonce, resp.d.asBytes+1, 8);
50 return 1;
51 }
52 }
53 return 0;
54 }
55
56 typedef enum TAGTYPE_UL {
57 UNKNOWN = 0x00,
58 UL = 0x01,
59 UL_C = 0x02,
60 UL_EV1_48 = 0x04,
61 UL_EV1_128 = 0x08,
62 MAGIC = 0x10,
63 UL_MAGIC = UL | MAGIC,
64 UL_C_MAGIC = UL_C | MAGIC,
65 UL_ERROR = 0xFF,
66 } TagTypeUL_t;
67
68 uint8_t GetHF14AMfU_Type(){
69
70 TagTypeUL_t tagtype = UNKNOWN;
71 iso14a_card_select_t card;
72
73 // select and run 0x60 (GET_VERSION - EV1 command)
74 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC, 1, 0}};
75 c.d.asBytes[0] = 0x60;
76 SendCommand(&c);
77 UsbCommand resp;
78 WaitForResponse(CMD_ACK, &resp);
79
80 if ( resp.arg[0] == 0 ) return UL_ERROR;
81
82 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
83
84 // Ultralight - ATQA / SAK
85 if ( card.atqa[1] != 0x00 && card.atqa[0] != 0x44 && card.sak != 0x00 ) return UL_ERROR;
86
87 // EV1 GetVersion
88 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
89
90 uint8_t version[8] = {0,0,0,0,0,0,0,0};
91 memcpy(&version, resp.d.asBytes, sizeof(version));
92 uint8_t len = resp.arg[0] & 0xff;
93
94 if ( len == 0x0A && version[6] == 0x0B )
95 tagtype = UL_EV1_48;
96 else if ( len == 0x0A && version[6] != 0x0B )
97 tagtype = UL_EV1_128;
98 else if ( len == 0x01 )
99 tagtype = UL_C;
100 else if ( len == 0x00 )
101 tagtype = UL;
102 }
103
104 // Magic UL-C, mine have a static nonce response to 0x1A command.
105 uint8_t nonce1[8] = {0,0,0,0,0,0,0,0};
106 uint8_t nonce2[8] = {0,0,0,0,0,0,0,0};
107 uint8_t status = requestAuthentication(nonce1);
108 if ( status ) {
109 requestAuthentication(nonce2);
110 if ( !memcmp(nonce1, nonce2, 8) ){
111 tagtype = UL_C_MAGIC;
112 }
113 } else {
114 //TODO: Magic Ultralight test here
115 }
116 return tagtype;
117 }
118
119 int CmdHF14AMfUInfo(const char *Cmd){
120
121 uint8_t datatemp[7] = {0x00};
122 uint8_t isOK = 0;
123 uint8_t data[16] = {0x00};
124 uint8_t *key;
125
126 TagTypeUL_t tagtype = GetHF14AMfU_Type();
127 if (tagtype == UL_ERROR) return -1;
128
129 PrintAndLog("\n-- Tag Information ---------");
130 PrintAndLog("-------------------------------------------------------------");
131
132 if ( tagtype & UL )
133 PrintAndLog(" TYPE : MIFARE Ultralight %s", (tagtype & MAGIC)?"(magic)":"");
134 else if ( tagtype & UL_C)
135 PrintAndLog(" TYPE : MIFARE Ultralight C %s", (tagtype & MAGIC)?"(magic)":"" );
136 else if ( tagtype & UL_EV1_48)
137 PrintAndLog(" TYPE : MIFARE Ultralight EV1 48 bytes");
138 else if ( tagtype & UL_EV1_128)
139 PrintAndLog(" TYPE : MIFARE Ultralight EV1 128 bytes");
140 else
141 PrintAndLog(" TYPE : Unknown %x",tagtype);
142
143 // read pages 0,1,2,4
144 UsbCommand c = {CMD_MIFAREU_READCARD, {0, 4}};
145 SendCommand(&c);
146 UsbCommand resp;
147
148 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
149 isOK = resp.arg[0] & 0xff;
150 memcpy(data, resp.d.asBytes, sizeof(data));
151
152 if (!isOK) {
153 PrintAndLog("Error reading from tag");
154 return -1;
155 }
156 } else {
157 PrintAndLog("Command execute timed out");
158 return -1;
159 }
160
161 // UID
162 memcpy( datatemp, data, 3);
163 memcpy( datatemp+3, data+4, 4);
164
165 PrintAndLog(" UID : %s ", sprint_hex(datatemp, 7));
166 PrintAndLog(" UID[0] (Manufacturer Byte) = %02x, Manufacturer: %s", datatemp[0], getTagInfo(datatemp[0]) );
167
168 // BBC
169 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
170 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
171 if ( data[3] == crc0 )
172 PrintAndLog(" BCC0 : %02x - Ok", data[3]);
173 else
174 PrintAndLog(" BCC0 : %02x - crc should be %02x", data[3], crc0);
175
176 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
177 if ( data[8] == crc1 )
178 PrintAndLog(" BCC1 : %02x - Ok", data[8]);
179 else
180 PrintAndLog(" BCC1 : %02x - crc should be %02x", data[8], crc1 );
181
182 PrintAndLog(" Internal : %s ", sprint_hex(data + 9, 1));
183
184 memcpy(datatemp, data+10, 2);
185 PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
186 PrintAndLog("OneTimePad : %s ", sprint_hex(data + 3*4, 4));
187 PrintAndLog("");
188
189
190 PrintAndLog("--- ");
191 if ( tagtype & UL_C ) {
192
193 PrintAndLog("Trying some default 3des keys");
194
195 for (uint8_t i = 0; i < 5; ++i ){
196 key = default_3des_keys[i];
197 if (try3DesAuthentication(key)){
198 PrintAndLog("Found default 3des key: %s", sprint_hex(key,16));
199 return 0;
200 }
201 }
202 }
203 else if ((tagtype & (UL_EV1_48 || UL_EV1_128))) {
204 //TODO
205 // --problem, there is a failed pwd tries counter in UL-EV1
206 //PrintAndLog("Trying some known EV1 passwords.");
207 }
208
209 // disconnect
210 // c.arg[0] = 0;
211 // c.arg[1] = 0;
212 // c.arg[2] = 0;
213 // SendCommand(&c);
214 return 0;
215 }
216
217 //
218 // Mifare Ultralight Write Single Block
219 //
220 int CmdHF14AMfUWrBl(const char *Cmd){
221 uint8_t blockNo = -1;
222 bool chinese_card = FALSE;
223 uint8_t bldata[16] = {0x00};
224 UsbCommand resp;
225
226 char cmdp = param_getchar(Cmd, 0);
227 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
228 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
229 PrintAndLog(" [block number]");
230 PrintAndLog(" [block data] - (8 hex symbols)");
231 PrintAndLog(" [w] - Chinese magic ultralight tag");
232 PrintAndLog("");
233 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
234 PrintAndLog("");
235 return 0;
236 }
237
238 blockNo = param_get8(Cmd, 0);
239
240 if (blockNo > MAX_UL_BLOCKS){
241 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
242 return 1;
243 }
244
245 if (param_gethex(Cmd, 1, bldata, 8)) {
246 PrintAndLog("Block data must include 8 HEX symbols");
247 return 1;
248 }
249
250 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
251 chinese_card = TRUE;
252 }
253
254 if ( blockNo <= 3) {
255 if (!chinese_card){
256 PrintAndLog("Access Denied");
257 } else {
258 PrintAndLog("--specialblock no:%02x", blockNo);
259 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
260 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
261 memcpy(d.d.asBytes,bldata, 4);
262 SendCommand(&d);
263 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
264 uint8_t isOK = resp.arg[0] & 0xff;
265 PrintAndLog("isOk:%02x", isOK);
266 } else {
267 PrintAndLog("Command execute timeout");
268 }
269 }
270 } else {
271 PrintAndLog("--block no:%02x", blockNo);
272 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
273 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
274 memcpy(e.d.asBytes,bldata, 4);
275 SendCommand(&e);
276 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
277 uint8_t isOK = resp.arg[0] & 0xff;
278 PrintAndLog("isOk:%02x", isOK);
279 } else {
280 PrintAndLog("Command execute timeout");
281 }
282 }
283 return 0;
284 }
285
286 //
287 // Mifare Ultralight Read Single Block
288 //
289 int CmdHF14AMfURdBl(const char *Cmd){
290
291 UsbCommand resp;
292 uint8_t blockNo = -1;
293 char cmdp = param_getchar(Cmd, 0);
294
295 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
296 PrintAndLog("Usage: hf mfu rdbl <block number>");
297 PrintAndLog(" sample: hfu mfu rdbl 0");
298 return 0;
299 }
300
301 blockNo = param_get8(Cmd, 0);
302
303 if (blockNo > MAX_UL_BLOCKS){
304 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
305 return 1;
306 }
307
308 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
309 SendCommand(&c);
310
311
312 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
313 uint8_t isOK = resp.arg[0] & 0xff;
314 if (isOK) {
315 uint8_t *data = resp.d.asBytes;
316 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
317 }
318 else {
319 PrintAndLog("Failed reading block: (%02x)", isOK);
320 }
321 } else {
322 PrintAndLog("Command execute time-out");
323 }
324
325 return 0;
326 }
327
328
329 int usage_hf_mfu_dump()
330 {
331 PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
332 PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
333 PrintAndLog("It autodetects card type.\n");
334 PrintAndLog("Usage: hf mfu dump <filename w/o .bin>");
335 PrintAndLog(" sample : hf mfu dump");
336 PrintAndLog(" : hf mfu dump myfile");
337 PrintAndLog(" : hf mfu dump 1 myfile");
338 return 0;
339 }
340 //
341 // Mifare Ultralight / Ultralight-C / Ultralight-EV1
342 // Read and Dump Card Contents, using auto detection of tag size.
343 //
344 // TODO: take a password to read UL-C / UL-EV1 tags.
345 int CmdHF14AMfUDump(const char *Cmd){
346
347 char cmdp = param_getchar(Cmd, 0);
348 if (cmdp == 'h' || cmdp == 'H')
349 return usage_hf_mfu_dump();
350
351 FILE *fout;
352 char filename[FILE_PATH_SIZE] = {0x00};
353 char * fnameptr = filename;
354 char* str = "Dumping Ultralight%s%s Card Data...";
355
356 uint8_t *lockbytes_t = NULL;
357 uint8_t lockbytes[2] = {0x00};
358 uint8_t *lockbytes_t2 = NULL;
359 uint8_t lockbytes2[2] = {0x00};
360 bool bit[16] = {0x00};
361 bool bit2[16] = {0x00};
362 uint8_t data[176] = {0x00};
363
364 int i = 0;
365 int Pages = 16;
366 bool tmplockbit = false;
367
368 TagTypeUL_t tagtype = GetHF14AMfU_Type();
369 if (tagtype == UL_ERROR) return -1;
370
371 if ( tagtype & UL ) {
372 Pages = 16;
373 PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" );
374 }
375 else if ( tagtype & UL_C ) {
376 Pages = 44;
377 PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" );
378 }
379 else if ( tagtype & UL_EV1_48 ) {
380 Pages = 18;
381 PrintAndLog(str," EV1_48","");
382 }
383 else if ( tagtype & UL_EV1_128 ) {
384 Pages = 32;
385 PrintAndLog(str," EV1_128","");
386 } else {
387 Pages = 16;
388 PrintAndLog("Dumping unknown Ultralight, using default values.");
389 }
390
391 UsbCommand c = {CMD_MIFAREU_READCARD, {0,Pages}};
392 SendCommand(&c);
393 UsbCommand resp;
394
395 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
396 PrintAndLog("Command execute time-out");
397 return 0;
398 }
399
400 if (!resp.arg[0] ) {
401 PrintAndLog("Read command failed");
402 return 0;
403 }
404 memcpy(data, resp.d.asBytes, sizeof(data));
405
406 // Load lock bytes.
407 int j = 0;
408
409 lockbytes_t = data + 8;
410 lockbytes[0] = lockbytes_t[2];
411 lockbytes[1] = lockbytes_t[3];
412 for(j = 0; j < 16; j++){
413 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
414 }
415
416 // Load bottom lockbytes if available
417 if ( Pages == 44 ) {
418
419 lockbytes_t2 = data + (40*4);
420 lockbytes2[0] = lockbytes_t2[2];
421 lockbytes2[1] = lockbytes_t2[3];
422 for (j = 0; j < 16; j++) {
423 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
424 }
425 }
426
427 for (i = 0; i < Pages; ++i) {
428
429 if ( i < 3 ) {
430 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
431 continue;
432 }
433
434 switch(i){
435 case 3: tmplockbit = bit[4]; break;
436 case 4: tmplockbit = bit[3]; break;
437 case 5: tmplockbit = bit[2]; break;
438 case 6: tmplockbit = bit[1]; break;
439 case 7: tmplockbit = bit[0]; break;
440 case 8: tmplockbit = bit[15]; break;
441 case 9: tmplockbit = bit[14]; break;
442 case 10: tmplockbit = bit[13]; break;
443 case 11: tmplockbit = bit[12]; break;
444 case 12: tmplockbit = bit[11]; break;
445 case 13: tmplockbit = bit[10]; break;
446 case 14: tmplockbit = bit[9]; break;
447 case 15: tmplockbit = bit[8]; break;
448 case 16:
449 case 17:
450 case 18:
451 case 19: tmplockbit = bit2[6]; break;
452 case 20:
453 case 21:
454 case 22:
455 case 23: tmplockbit = bit2[5]; break;
456 case 24:
457 case 25:
458 case 26:
459 case 27: tmplockbit = bit2[4]; break;
460 case 28:
461 case 29:
462 case 30:
463 case 31: tmplockbit = bit2[2]; break;
464 case 32:
465 case 33:
466 case 34:
467 case 35: tmplockbit = bit2[1]; break;
468 case 36:
469 case 37:
470 case 38:
471 case 39: tmplockbit = bit2[0]; break;
472 case 40: tmplockbit = bit2[12]; break;
473 case 41: tmplockbit = bit2[11]; break;
474 case 42: tmplockbit = bit2[10]; break; //auth0
475 case 43: tmplockbit = bit2[9]; break; //auth1
476 default: break;
477 }
478 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
479 }
480
481 int len = param_getstr(Cmd,0,filename);
482 if (len > FILE_PATH_SIZE-5)
483 len = FILE_PATH_SIZE-5;
484
485 if (len < 1) {
486 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
487 data[0], data[1], data[2], data[4], data[5], data[6], data[7]);
488 } else {
489 sprintf(fnameptr + len," .bin");
490 }
491
492 if ((fout = fopen(filename,"wb")) == NULL) {
493 PrintAndLog("Could not create file name %s", filename);
494 return 1;
495 }
496 fwrite( data, 1, Pages*4, fout );
497 fclose(fout);
498
499 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
500 return 0;
501 }
502
503 // Needed to Authenticate to Ultralight C tags
504 void rol (uint8_t *data, const size_t len){
505 uint8_t first = data[0];
506 for (size_t i = 0; i < len-1; i++) {
507 data[i] = data[i+1];
508 }
509 data[len-1] = first;
510 }
511
512 //-------------------------------------------------------------------------------
513 // Ultralight C Methods
514 //-------------------------------------------------------------------------------
515
516 //
517 // Ultralight C Authentication Demo {currently uses hard-coded key}
518 //
519 int CmdHF14AMfucAuth(const char *Cmd){
520
521 uint8_t keyNo = 0;
522 bool errors = false;
523
524 char cmdp = param_getchar(Cmd, 0);
525
526 //Change key to user defined one
527 if (cmdp == 'k' || cmdp == 'K'){
528 keyNo = param_get8(Cmd, 1);
529 if(keyNo > 6)
530 errors = true;
531 }
532
533 if (cmdp == 'h' || cmdp == 'H')
534 errors = true;
535
536 if (errors) {
537 PrintAndLog("Usage: hf mfu cauth k <key number>");
538 PrintAndLog(" 0 (default): 3DES standard key");
539 PrintAndLog(" 1 : all 0x00 key");
540 PrintAndLog(" 2 : 0x00-0x0F key");
541 PrintAndLog(" 3 : nfc key");
542 PrintAndLog(" 4 : all 0x01 key");
543 PrintAndLog(" 5 : all 0xff key");
544 PrintAndLog(" 6 : 0x00-0xFF key");
545 PrintAndLog("\n sample : hf mfu cauth k");
546 PrintAndLog(" : hf mfu cauth k 3");
547 return 0;
548 }
549
550 uint8_t *key = default_3des_keys[keyNo];
551 if (try3DesAuthentication(key))
552 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 8));
553 else
554 PrintAndLog("Authentication failed");
555
556 return 0;
557 }
558
559 int try3DesAuthentication( uint8_t *key){
560
561 uint8_t blockNo = 0;
562 uint32_t cuid = 0;
563
564 des3_context ctx = { 0 };
565
566 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
567 uint8_t random_b[8] = { 0 };
568 uint8_t enc_random_b[8] = { 0 };
569 uint8_t rnd_ab[16] = { 0 };
570 uint8_t iv[8] = { 0 };
571
572 UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
573 SendCommand(&c);
574 UsbCommand resp;
575 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
576 if ( !(resp.arg[0] & 0xff) ) return -2;
577
578 cuid = resp.arg[1];
579 memcpy(enc_random_b,resp.d.asBytes+1,8);
580
581 des3_set2key_dec(&ctx, key);
582 // context, mode, length, IV, input, output
583 des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
584
585 rol(random_b,8);
586 memcpy(rnd_ab ,random_a,8);
587 memcpy(rnd_ab+8,random_b,8);
588
589 des3_set2key_enc(&ctx, key);
590 // context, mode, length, IV, input, output
591 des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
592
593 //Auth2
594 c.cmd = CMD_MIFAREUC_AUTH2;
595 c.arg[0] = cuid;
596 memcpy(c.d.asBytes, rnd_ab, 16);
597 SendCommand(&c);
598
599 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
600 if ( !(resp.arg[0] & 0xff)) return -2;
601
602 uint8_t enc_resp[8] = { 0 };
603 uint8_t resp_random_a[8] = { 0 };
604 memcpy(enc_resp, resp.d.asBytes+1, 8);
605
606 des3_set2key_dec(&ctx, key);
607 // context, mode, length, IV, input, output
608 des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
609
610 if ( !memcmp(resp_random_a, random_a, 8))
611 return 1;
612 return 0;
613
614 //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8));
615 //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8));
616 //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8));
617 //PrintAndLog(" A+B :%s", sprint_hex(random_a_and_b, 16));
618 //PrintAndLog(" enc(A+B) :%s", sprint_hex(random_a_and_b, 16));
619 //PrintAndLog(" enc(RndA') :%s", sprint_hex(data2+1, 8));
620 }
621
622 /**
623 A test function to validate that the polarssl-function works the same
624 was as the openssl-implementation.
625 Commented out, since it requires openssl
626
627 int CmdTestDES(const char * cmd)
628 {
629 uint8_t key[16] = {0x00};
630
631 memcpy(key,key3_3des_data,16);
632 DES_cblock RndA, RndB;
633
634 PrintAndLog("----------OpenSSL DES implementation----------");
635 {
636 uint8_t e_RndB[8] = {0x00};
637 unsigned char RndARndB[16] = {0x00};
638
639 DES_cblock iv = { 0 };
640 DES_key_schedule ks1,ks2;
641 DES_cblock key1,key2;
642
643 memcpy(key,key3_3des_data,16);
644 memcpy(key1,key,8);
645 memcpy(key2,key+8,8);
646
647
648 DES_set_key((DES_cblock *)key1,&ks1);
649 DES_set_key((DES_cblock *)key2,&ks2);
650
651 DES_random_key(&RndA);
652 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
653 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
654 //void DES_ede2_cbc_encrypt(const unsigned char *input,
655 // unsigned char *output, long length, DES_key_schedule *ks1,
656 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
657 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
658
659 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
660 rol(RndB,8);
661 memcpy(RndARndB,RndA,8);
662 memcpy(RndARndB+8,RndB,8);
663 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
664 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
665 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
666
667 }
668 PrintAndLog("----------PolarSSL implementation----------");
669 {
670 uint8_t random_a[8] = { 0 };
671 uint8_t enc_random_a[8] = { 0 };
672 uint8_t random_b[8] = { 0 };
673 uint8_t enc_random_b[8] = { 0 };
674 uint8_t random_a_and_b[16] = { 0 };
675 des3_context ctx = { 0 };
676
677 memcpy(random_a, RndA,8);
678
679 uint8_t output[8] = { 0 };
680 uint8_t iv[8] = { 0 };
681
682 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
683 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
684
685 des3_set2key_dec(&ctx, key);
686
687 des3_crypt_cbc(&ctx // des3_context *ctx
688 , DES_DECRYPT // int mode
689 , sizeof(random_b) // size_t length
690 , iv // unsigned char iv[8]
691 , enc_random_b // const unsigned char *input
692 , random_b // unsigned char *output
693 );
694
695 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
696
697 rol(random_b,8);
698 memcpy(random_a_and_b ,random_a,8);
699 memcpy(random_a_and_b+8,random_b,8);
700
701 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
702
703 des3_set2key_enc(&ctx, key);
704
705 des3_crypt_cbc(&ctx // des3_context *ctx
706 , DES_ENCRYPT // int mode
707 , sizeof(random_a_and_b) // size_t length
708 , enc_random_b // unsigned char iv[8]
709 , random_a_and_b // const unsigned char *input
710 , random_a_and_b // unsigned char *output
711 );
712
713 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
714 }
715 return 0;
716 }
717 **/
718 //
719 // Ultralight C Read Single Block
720 //
721 int CmdHF14AMfUCRdBl(const char *Cmd)
722 {
723 UsbCommand resp;
724 bool hasPwd = FALSE;
725 uint8_t blockNo = -1;
726 unsigned char key[16];
727 char cmdp = param_getchar(Cmd, 0);
728
729 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
730 PrintAndLog("Usage: hf mfu crdbl <block number> <password>");
731 PrintAndLog("");
732 PrintAndLog("sample: hf mfu crdbl 0");
733 PrintAndLog(" hf mfu crdbl 0 112233445566778899AABBCCDDEEFF");
734 return 0;
735 }
736
737 blockNo = param_get8(Cmd, 0);
738 if (blockNo < 0) {
739 PrintAndLog("Wrong block number");
740 return 1;
741 }
742
743 if (blockNo > MAX_ULC_BLOCKS ){
744 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
745 return 1;
746 }
747
748 // key
749 if ( strlen(Cmd) > 3){
750 if (param_gethex(Cmd, 1, key, 32)) {
751 PrintAndLog("Key must include %d HEX symbols", 32);
752 return 1;
753 } else {
754 hasPwd = TRUE;
755 }
756 }
757
758 //Read Block
759 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
760 if ( hasPwd ) {
761 c.arg[1] = 1;
762 memcpy(c.d.asBytes,key,16);
763 }
764 SendCommand(&c);
765
766 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
767 uint8_t isOK = resp.arg[0] & 0xff;
768 if (isOK) {
769 uint8_t *data = resp.d.asBytes;
770 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
771 }
772 else {
773 PrintAndLog("Failed reading block: (%02x)", isOK);
774 }
775 } else {
776 PrintAndLog("Command execute time-out");
777 }
778 return 0;
779 }
780
781 //
782 // Mifare Ultralight C Write Single Block
783 //
784 int CmdHF14AMfUCWrBl(const char *Cmd){
785
786 uint8_t blockNo = -1;
787 bool chinese_card = FALSE;
788 uint8_t bldata[16] = {0x00};
789 UsbCommand resp;
790
791 char cmdp = param_getchar(Cmd, 0);
792
793 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
794 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
795 PrintAndLog(" [block number]");
796 PrintAndLog(" [block data] - (8 hex symbols)");
797 PrintAndLog(" [w] - Chinese magic ultralight tag");
798 PrintAndLog("");
799 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
800 PrintAndLog("");
801 return 0;
802 }
803
804 blockNo = param_get8(Cmd, 0);
805 if (blockNo > MAX_ULC_BLOCKS ){
806 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
807 return 1;
808 }
809
810 if (param_gethex(Cmd, 1, bldata, 8)) {
811 PrintAndLog("Block data must include 8 HEX symbols");
812 return 1;
813 }
814
815 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
816 chinese_card = TRUE;
817 }
818
819 if ( blockNo <= 3 ) {
820 if (!chinese_card){
821 PrintAndLog("Access Denied");
822 } else {
823 PrintAndLog("--Special block no: 0x%02x", blockNo);
824 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
825 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
826 memcpy(d.d.asBytes,bldata, 4);
827 SendCommand(&d);
828 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
829 uint8_t isOK = resp.arg[0] & 0xff;
830 PrintAndLog("isOk:%02x", isOK);
831 } else {
832 PrintAndLog("Command execute timeout");
833 }
834 }
835 } else {
836 PrintAndLog("--Block no : 0x%02x", blockNo);
837 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
838 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
839 memcpy(e.d.asBytes,bldata, 4);
840 SendCommand(&e);
841 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
842 uint8_t isOK = resp.arg[0] & 0xff;
843 PrintAndLog("isOk : %02x", isOK);
844 } else {
845 PrintAndLog("Command execute timeout");
846 }
847 }
848 return 0;
849 }
850
851 //
852 // Mifare Ultralight C - Set password
853 //
854 int CmdHF14AMfucSetPwd(const char *Cmd){
855
856 uint8_t pwd[16] = {0x00};
857 char cmdp = param_getchar(Cmd, 0);
858
859 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
860 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
861 PrintAndLog(" [password] - (32 hex symbols)");
862 PrintAndLog("");
863 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
864 PrintAndLog("");
865 return 0;
866 }
867
868 if (param_gethex(Cmd, 0, pwd, 32)) {
869 PrintAndLog("Password must include 32 HEX symbols");
870 return 1;
871 }
872
873 UsbCommand c = {CMD_MIFAREUC_SETPWD};
874 memcpy( c.d.asBytes, pwd, 16);
875 SendCommand(&c);
876
877 UsbCommand resp;
878
879 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
880 if ( (resp.arg[0] & 0xff) == 1)
881 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
882 else{
883 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
884 return 1;
885 }
886 }
887 else {
888 PrintAndLog("command execution time out");
889 }
890
891 return 0;
892 }
893
894 //
895 // Magic UL / UL-C tags - Set UID
896 //
897 int CmdHF14AMfucSetUid(const char *Cmd){
898
899 UsbCommand c;
900 UsbCommand resp;
901 uint8_t uid[7] = {0x00};
902 char cmdp = param_getchar(Cmd, 0);
903
904 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
905 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
906 PrintAndLog(" [uid] - (14 hex symbols)");
907 PrintAndLog("\nThis only works for Magic Ultralight tags.");
908 PrintAndLog("");
909 PrintAndLog("sample: hf mfu setuid 11223344556677");
910 PrintAndLog("");
911 return 0;
912 }
913
914 if (param_gethex(Cmd, 0, uid, 14)) {
915 PrintAndLog("UID must include 14 HEX symbols");
916 return 1;
917 }
918
919 // read block2.
920 c.cmd = CMD_MIFAREU_READBL;
921 c.arg[0] = 2;
922 SendCommand(&c);
923 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
924 PrintAndLog("Command execute timeout");
925 return 2;
926 }
927
928 // save old block2.
929 uint8_t oldblock2[4] = {0x00};
930 memcpy(resp.d.asBytes, oldblock2, 4);
931
932 // block 0.
933 c.cmd = CMD_MIFAREU_WRITEBL;
934 c.arg[0] = 0;
935 c.d.asBytes[0] = uid[0];
936 c.d.asBytes[1] = uid[1];
937 c.d.asBytes[2] = uid[2];
938 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
939 SendCommand(&c);
940 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
941 PrintAndLog("Command execute timeout");
942 return 3;
943 }
944
945 // block 1.
946 c.arg[0] = 1;
947 c.d.asBytes[0] = uid[3];
948 c.d.asBytes[1] = uid[4];
949 c.d.asBytes[2] = uid[5];
950 c.d.asBytes[3] = uid[6];
951 SendCommand(&c);
952 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
953 PrintAndLog("Command execute timeout");
954 return 4;
955 }
956
957 // block 2.
958 c.arg[0] = 2;
959 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
960 c.d.asBytes[1] = oldblock2[1];
961 c.d.asBytes[2] = oldblock2[2];
962 c.d.asBytes[3] = oldblock2[3];
963 SendCommand(&c);
964 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
965 PrintAndLog("Command execute timeout");
966 return 5;
967 }
968
969 return 0;
970 }
971
972 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
973
974 uint8_t iv[8] = { 0x00 };
975 uint8_t block = 0x07;
976
977 // UL-EV1
978 //04 57 b6 e2 05 3f 80 UID
979 //4a f8 4b 19 PWD
980 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
981 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
982 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
983 uint8_t dkeyA[8] = { 0x00 };
984 uint8_t dkeyB[8] = { 0x00 };
985
986 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
987
988 uint8_t mix[8] = { 0x00 };
989 uint8_t divkey[8] = { 0x00 };
990
991 memcpy(mix, mifarekeyA, 4);
992
993 mix[4] = mifarekeyA[4] ^ uid[0];
994 mix[5] = mifarekeyA[5] ^ uid[1];
995 mix[6] = block ^ uid[2];
996 mix[7] = uid[3];
997
998 des3_context ctx = { 0x00 };
999 des3_set2key_enc(&ctx, masterkey);
1000
1001 des3_crypt_cbc(&ctx // des3_context
1002 , DES_ENCRYPT // int mode
1003 , sizeof(mix) // length
1004 , iv // iv[8]
1005 , mix // input
1006 , divkey // output
1007 );
1008
1009 PrintAndLog("3DES version");
1010 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1011 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
1012 PrintAndLog("Sector :\t %0d", block);
1013 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1014 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
1015 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1016
1017 PrintAndLog("\n DES version");
1018
1019 for (int i=0; i < sizeof(mifarekeyA); ++i){
1020 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1021 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
1022 }
1023
1024 for (int i=0; i < sizeof(mifarekeyB); ++i){
1025 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
1026 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1027 }
1028
1029 uint8_t zeros[8] = {0x00};
1030 uint8_t newpwd[8] = {0x00};
1031 uint8_t dmkey[24] = {0x00};
1032 memcpy(dmkey, dkeyA, 8);
1033 memcpy(dmkey+8, dkeyB, 8);
1034 memcpy(dmkey+16, dkeyA, 8);
1035 memset(iv, 0x00, 8);
1036
1037 des3_set3key_enc(&ctx, dmkey);
1038
1039 des3_crypt_cbc(&ctx // des3_context
1040 , DES_ENCRYPT // int mode
1041 , sizeof(newpwd) // length
1042 , iv // iv[8]
1043 , zeros // input
1044 , newpwd // output
1045 );
1046
1047 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1048 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1049 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1050 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1051
1052 return 0;
1053 }
1054
1055 // static uint8_t * diversify_key(uint8_t * key){
1056
1057 // for(int i=0; i<16; i++){
1058 // if(i<=6) key[i]^=cuid[i];
1059 // if(i>6) key[i]^=cuid[i%7];
1060 // }
1061 // return key;
1062 // }
1063
1064 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1065 // for (int i=0; i<len; ++i){
1066
1067 // }
1068 // return;
1069 // }
1070
1071 static command_t CommandTable[] =
1072 {
1073 {"help", CmdHelp, 1, "This help"},
1074 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
1075 {"info", CmdHF14AMfUInfo, 0, "Tag information"},
1076 {"dump", CmdHF14AMfUDump, 0, "Dump Ultralight / Ultralight-C tag to binary file"},
1077 {"rdbl", CmdHF14AMfURdBl, 0, "Read block - Ultralight"},
1078 {"wrbl", CmdHF14AMfUWrBl, 0, "Write block - Ultralight"},
1079 {"crdbl", CmdHF14AMfUCRdBl, 0, "Read block - Ultralight C"},
1080 {"cwrbl", CmdHF14AMfUCWrBl, 0, "Write block - Ultralight C"},
1081 {"cauth", CmdHF14AMfucAuth, 0, "Authentication - Ultralight C"},
1082 {"setpwd", CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1083 {"setuid", CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1084 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1085 {NULL, NULL, 0, NULL}
1086 };
1087
1088 int CmdHFMFUltra(const char *Cmd){
1089 WaitForResponseTimeout(CMD_ACK,NULL,100);
1090 CmdsParse(CommandTable, Cmd);
1091 return 0;
1092 }
1093
1094 int CmdHelp(const char *Cmd){
1095 CmdsHelp(CommandTable);
1096 return 0;
1097 }
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