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CHG: added some sanity checks for the Ultralight-EV1 annotations, to make less...
[proxmark3-svn] / client / cmdhfmfu.c
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81740aa5 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//-----------------------------------------------------------------------------
afceaf40 10#include "loclass/des.h"
81740aa5 11#include "cmdhfmfu.h"
12#include "cmdhfmf.h"
13#include "cmdhf14a.h"
14
81740aa5 15#define MAX_ULTRA_BLOCKS 0x0f
16#define MAX_ULTRAC_BLOCKS 0x2f
17//#define MAX_ULTRAC_BLOCKS 0x2c
afceaf40 18
81740aa5 19static int CmdHelp(const char *Cmd);
20
21int CmdHF14AMfUInfo(const char *Cmd){
22
afceaf40
MHS		 23 uint8_t datatemp[7] = {0x00};
24 uint8_t isOK = 0;
25 uint8_t *data = NULL;
81740aa5 26
afceaf40
MHS		 27 UsbCommand c = {CMD_MIFAREU_READCARD, {0, 4}};
28 SendCommand(&c);
29 UsbCommand resp;
81740aa5 30
afceaf40
MHS		 31 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
32 isOK = resp.arg[0] & 0xff;
33 data = resp.d.asBytes;
81740aa5 34
afceaf40 35 if (!isOK) {
81740aa5 36 PrintAndLog("Error reading from tag");
37 return -1;
38 }
39 } else {
40 PrintAndLog("Command execute timed out");
41 return -1;
42 }
43
44 PrintAndLog("");
45 PrintAndLog("-- Mifare Ultralight / Ultralight-C Tag Information ---------");
46 PrintAndLog("-------------------------------------------------------------");
47
48 // UID
49 memcpy( datatemp, data, 3);
50 memcpy( datatemp+3, data+4, 4);
51
52 PrintAndLog("MANUFACTURER : %s", getTagInfo(datatemp[0]));
53 PrintAndLog(" UID : %s ", sprint_hex(datatemp, 7));
54 // BBC
55 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
56 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
57 if ( data[3] == crc0 )
58 PrintAndLog(" BCC0 : %02x - Ok", data[3]);
59 else
60 PrintAndLog(" BCC0 : %02x - crc should be %02x", data[3], crc0);
61
62 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
63 if ( data[8] == crc1 )
64 PrintAndLog(" BCC1 : %02x - Ok", data[8]);
65 else
66 PrintAndLog(" BCC1 : %02x - crc should be %02x", data[8], crc1 );
67
68 PrintAndLog(" Internal : %s ", sprint_hex(data + 9, 1));
69
70 memcpy(datatemp, data+10, 2);
71 PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
72 PrintAndLog(" OneTimePad : %s ", sprint_hex(data + 3*4, 4));
73 PrintAndLog("");
74
75 int len = CmdHF14AMfucAuth("K 0");
76// PrintAndLog("CODE: %d",len);
aa60d156 77// Fix reading UL-C 's password higher blocks.
81740aa5 78
79 PrintAndLog("Seems to be a Ultralight %s", (len==0) ? "-C" :"");
aa60d156 80
81
81740aa5 82 return 0;
83}
84
85//
86// Mifare Ultralight Write Single Block
87//
88int CmdHF14AMfUWrBl(const char *Cmd){
afceaf40
MHS		 89 uint8_t blockNo = -1;
90 bool chinese_card = FALSE;
91 uint8_t bldata[16] = {0x00};
92 UsbCommand resp;
81740aa5 93
afceaf40 94 char cmdp = param_getchar(Cmd, 0);
81740aa5 95 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
afceaf40 96 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
81740aa5 97 PrintAndLog(" [block number]");
98 PrintAndLog(" [block data] - (8 hex symbols)");
99 PrintAndLog(" [w] - Chinese magic ultralight tag");
100 PrintAndLog("");
afceaf40 101 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
81740aa5 102 PrintAndLog("");
afceaf40
MHS		 103 return 0;
104 }
105
81740aa5 106 blockNo = param_get8(Cmd, 0);
107
afceaf40
MHS		 108 if (blockNo > MAX_ULTRA_BLOCKS){
109 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
110 return 1;
111 }
81740aa5 112
afceaf40
MHS		 113 if (param_gethex(Cmd, 1, bldata, 8)) {
114 PrintAndLog("Block data must include 8 HEX symbols");
115 return 1;
116 }
81740aa5 117
afceaf40
MHS		 118 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
119 chinese_card = TRUE;
120 }
81740aa5 121
afceaf40 122 if ( blockNo <= 3) {
81740aa5 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 {
afceaf40
MHS		 139 PrintAndLog("--block no:%02x", blockNo);
140 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
141 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
81740aa5 142 memcpy(e.d.asBytes,bldata, 4);
143 SendCommand(&e);
afceaf40
MHS		 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;
81740aa5 152}
153
154//
155// Mifare Ultralight Read Single Block
156//
157int CmdHF14AMfURdBl(const char *Cmd){
81740aa5 158
aa60d156 159 UsbCommand resp;
160 uint8_t blockNo = -1;
afceaf40 161 char cmdp = param_getchar(Cmd, 0);
81740aa5 162
163 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
afceaf40
MHS		 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){
aa60d156 172 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
afceaf40
MHS		 173 return 1;
174 }
aa60d156 175
afceaf40
MHS		 176 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
177 SendCommand(&c);
178
aa60d156 179
afceaf40 180 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
aa60d156 181 uint8_t isOK = resp.arg[0] & 0xff;
182 if (isOK) {
183 uint8_t *data = resp.d.asBytes;
184 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
185 }
186 else {
187 PrintAndLog("Failed reading block: (%02x)", isOK);
188 }
81740aa5 189 } else {
aa60d156 190 PrintAndLog("Command execute time-out");
afceaf40 191 }
aa60d156 192
afceaf40 193 return 0;
81740aa5 194}
195
196//
197// Mifare Ultralight / Ultralight-C; Read and Dump Card Contents
198//
199int CmdHF14AMfUDump(const char *Cmd){
200
afceaf40 201 FILE *fout;
81740aa5 202 char filename[FILE_PATH_SIZE] = {0x00};
203 char * fnameptr = filename;
204
afceaf40
MHS		 205 uint8_t *lockbytes_t = NULL;
206 uint8_t lockbytes[2] = {0x00};
81740aa5 207
afceaf40
MHS		 208 uint8_t *lockbytes_t2 = NULL;
209 uint8_t lockbytes2[2] = {0x00};
81740aa5 210
afceaf40 211 bool bit[16] = {0x00};
81740aa5 212 bool bit2[16] = {0x00};
213
afceaf40
MHS		 214 int i;
215 uint8_t BlockNo = 0;
216 int Pages = 16;
81740aa5 217
218 bool tmplockbit = false;
afceaf40
MHS		 219 uint8_t isOK = 0;
220 uint8_t *data = NULL;
81740aa5 221
afceaf40 222 char cmdp = param_getchar(Cmd, 0);
81740aa5 223
224 if (cmdp == 'h' || cmdp == 'H') {
225 PrintAndLog("Reads all pages from Mifare Ultralight or Ultralight-C tag.");
226 PrintAndLog("It saves binary dump into the file `filename.bin` or `cardUID.bin`");
227 PrintAndLog("Usage: hf mfu dump <c> <filename w/o .bin>");
aa60d156 228 PrintAndLog(" <c> optional cardtype c == Ultralight-C, Defaults to Ultralight");
81740aa5 229 PrintAndLog(" sample: hf mfu dump");
230 PrintAndLog(" : hf mfu dump myfile");
231 PrintAndLog(" : hf mfu dump c myfile");
232 return 0;
233 }
234
235 // UL or UL-C?
236 Pages = (cmdp == 'c' || cmdp == 'C') ? 44 : 16;
237
238 PrintAndLog("Dumping Ultralight%s Card Data...", (Pages ==16)?"":"-C");
afceaf40
MHS		 239
240 UsbCommand c = {CMD_MIFAREU_READCARD, {BlockNo,Pages}};
241 SendCommand(&c);
242 UsbCommand resp;
81740aa5 243
afceaf40 244 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
81740aa5 245 isOK = resp.arg[0] & 0xff;
afceaf40 246 if (!isOK) {
81740aa5 247 PrintAndLog("Command error");
248 return 0;
249 }
250 data = resp.d.asBytes;
251 } else {
aa60d156 252 PrintAndLog("Command execute time-out");
81740aa5 253 return 0;
254 }
255
256 // Load lock bytes.
257 int j = 0;
258
259 lockbytes_t = data + 8;
260 lockbytes[0] = lockbytes_t[2];
261 lockbytes[1] = lockbytes_t[3];
262 for(j = 0; j < 16; j++){
263 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
264 }
265
266 // Load bottom lockbytes if available
267 if ( Pages == 44 ) {
268
269 lockbytes_t2 = data + (40*4);
270 lockbytes2[0] = lockbytes_t2[2];
271 lockbytes2[1] = lockbytes_t2[3];
272 for (j = 0; j < 16; j++) {
273 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
274 }
275 }
276
277 for (i = 0; i < Pages; ++i) {
278
279 if ( i < 3 ) {
280 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
281 continue;
282 }
afceaf40 283
81740aa5 284 switch(i){
285 case 3: tmplockbit = bit[4]; break;
286 case 4: tmplockbit = bit[3]; break;
287 case 5: tmplockbit = bit[2]; break;
288 case 6: tmplockbit = bit[1]; break;
289 case 7: tmplockbit = bit[0]; break;
290 case 8: tmplockbit = bit[15]; break;
291 case 9: tmplockbit = bit[14]; break;
292 case 10: tmplockbit = bit[13]; break;
293 case 11: tmplockbit = bit[12]; break;
294 case 12: tmplockbit = bit[11]; break;
295 case 13: tmplockbit = bit[10]; break;
296 case 14: tmplockbit = bit[9]; break;
297 case 15: tmplockbit = bit[8]; break;
298 case 16:
299 case 17:
300 case 18:
301 case 19: tmplockbit = bit2[6]; break;
302 case 20:
303 case 21:
304 case 22:
305 case 23: tmplockbit = bit2[5]; break;
306 case 24:
307 case 25:
308 case 26:
309 case 27: tmplockbit = bit2[4]; break;
310 case 28:
311 case 29:
312 case 30:
313 case 31: tmplockbit = bit2[2]; break;
314 case 32:
315 case 33:
316 case 34:
317 case 35: tmplockbit = bit2[1]; break;
318 case 36:
319 case 37:
320 case 38:
321 case 39: tmplockbit = bit2[0]; break;
322 case 40: tmplockbit = bit2[12]; break;
323 case 41: tmplockbit = bit2[11]; break;
324 case 42: tmplockbit = bit2[10]; break; //auth0
325 case 43: tmplockbit = bit2[9]; break; //auth1
326 default: break;
327 }
328 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
329 }
330
331 int len = 0;
332 if ( Pages == 16 )
333 len = param_getstr(Cmd,0,filename);
334 else
335 len = param_getstr(Cmd,1,filename);
336
afceaf40 337 if (len > FILE_PATH_SIZE-5) len = FILE_PATH_SIZE-5;
81740aa5 338
339 // user supplied filename?
340 if (len < 1) {
341
342 // UID = data 0-1-2 4-5-6-7 (skips a beat)
afceaf40
MHS		 343 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
344 data[0],data[1], data[2], data[4],data[5],data[6], data[7]);
81740aa5 345
346 } else {
afceaf40 347 sprintf(fnameptr + len," .bin");
81740aa5 348 }
349
81740aa5 350
351 if ((fout = fopen(filename,"wb")) == NULL) {
352 PrintAndLog("Could not create file name %s", filename);
353 return 1;
354 }
355 fwrite( data, 1, Pages*4, fout );
356 fclose(fout);
357
358 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
afceaf40 359 return 0;
81740aa5 360}
361
362// Needed to Authenticate to Ultralight C tags
363void rol (uint8_t *data, const size_t len){
afceaf40
MHS		 364 uint8_t first = data[0];
365 for (size_t i = 0; i < len-1; i++) {
366 data[i] = data[i+1];
367 }
368 data[len-1] = first;
81740aa5 369}
370
371//-------------------------------------------------------------------------------
372// Ultralight C Methods
373//-------------------------------------------------------------------------------
374
375//
376// Ultralight C Authentication Demo {currently uses hard-coded key}
377//
378int CmdHF14AMfucAuth(const char *Cmd){
afceaf40 379
aa60d156 380 uint8_t default_keys[7][16] = {
afceaf40
MHS		 381 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
382 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
383 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
384 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
aa60d156 385 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
386 { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
387 { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
afceaf40 388 };
81740aa5 389
390 char cmdp = param_getchar(Cmd, 0);
afceaf40
MHS		 391
392 uint8_t keyNo = 0;
393 bool errors = false;
394 //Change key to user defined one
395 if (cmdp == 'k' || cmdp == 'K'){
396 keyNo = param_get8(Cmd, 1);
aa60d156 397 if(keyNo > 6) errors = true;
afceaf40
MHS		 398 }
399
400 if (cmdp == 'h' || cmdp == 'H') {
401 errors = true;
402 }
403
404 if (errors) {
405 PrintAndLog("Usage: hf mfu cauth k <key number>");
406 PrintAndLog(" 0 (default): 3DES standard key");
aa60d156 407 PrintAndLog(" 1 : all 0x00 key");
afceaf40
MHS		 408 PrintAndLog(" 2 : 0x00-0x0F key");
409 PrintAndLog(" 3 : nfc key");
aa60d156 410 PrintAndLog(" 4 : all 0x01 key");
411 PrintAndLog(" 5 : all 0xff key");
412 PrintAndLog(" 6 : 0x00-0xFF key");
413 PrintAndLog("\n sample : hf mfu cauth k");
81740aa5 414 PrintAndLog(" : hf mfu cauth k 3");
afceaf40
MHS		 415 return 0;
416 }
417
418 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
419 //uint8_t enc_random_a[8] = { 0 };
420 uint8_t random_b[8] = { 0 };
421 uint8_t enc_random_b[8] = { 0 };
422 uint8_t random_a_and_b[16] = { 0 };
423 des3_context ctx = { 0 };
424 uint8_t *key = default_keys[keyNo];
425 uint8_t blockNo = 0;
426 uint32_t cuid = 0;
81740aa5 427
81740aa5 428 //Auth1
429 UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
430 SendCommand(&c);
431 UsbCommand resp;
432 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
433 uint8_t isOK = resp.arg[0] & 0xff;
434 cuid = resp.arg[1];
435 uint8_t * data= resp.d.asBytes;
436
437 if (isOK){
afceaf40 438 memcpy(enc_random_b,data+1,8);
81740aa5 439 } else {
afceaf40 440 PrintAndLog("Auth failed");
aa60d156 441 return 2;
81740aa5 442 }
443 } else {
444 PrintAndLog("Command execute timeout");
445 return 1;
446 }
afceaf40 447 uint8_t iv[8] = { 0 };
afceaf40
MHS		 448
449 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
aa60d156 450 PrintAndLog(" enc(RndB):%s",sprint_hex(enc_random_b, 8));
afceaf40
MHS		 451
452 des3_set2key_dec(&ctx, key);
453
454 des3_crypt_cbc(&ctx // des3_context *ctx
455 , DES_DECRYPT // int mode
456 , sizeof(random_b) // size_t length
457 , iv // unsigned char iv[8]
458 , enc_random_b // const unsigned char *input
459 , random_b // unsigned char *output
460 );
461
462 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
463
464 rol(random_b,8);
465 memcpy(random_a_and_b ,random_a,8);
466 memcpy(random_a_and_b+8,random_b,8);
467
aa60d156 468 PrintAndLog(" A+B:%s",sprint_hex(random_a_and_b, 16));
afceaf40
MHS		 469
470 des3_set2key_enc(&ctx, key);
471
472 des3_crypt_cbc(&ctx // des3_context *ctx
473 , DES_ENCRYPT // int mode
474 , sizeof(random_a_and_b) // size_t length
475 , enc_random_b // unsigned char iv[8]
476 , random_a_and_b // const unsigned char *input
477 , random_a_and_b // unsigned char *output
478 );
479
aa60d156 480 PrintAndLog("enc(A+B):%s",sprint_hex(random_a_and_b, 16));
afceaf40
MHS		 481
482 //Auth2
483 UsbCommand d = {CMD_MIFAREUC_AUTH2, {cuid}};
484 memcpy(d.d.asBytes,random_a_and_b, 16);
485 SendCommand(&d);
81740aa5 486
487 UsbCommand respb;
488 if (WaitForResponseTimeout(CMD_ACK,&respb,1500)) {
489 uint8_t isOK = respb.arg[0] & 0xff;
490 uint8_t * data2= respb.d.asBytes;
491
492 if (isOK){
493 PrintAndLog("enc(RndA'):%s", sprint_hex(data2+1, 8));
0ec548dc 494
495 uint8_t foo[8] = { 0 };
496 uint8_t bar[8] = { 0 };
497 memcpy(foo, data2+1, 8);
aa60d156 498 des3_set2key_dec(&ctx, key);
0ec548dc 499
500 des3_crypt_cbc(&ctx // des3_context *ctx
501 , DES_DECRYPT // int mode
502 , 8 // size_t length
503 , enc_random_b // unsigned char iv[8]
504 , foo // const unsigned char *input
505 , bar // unsigned char *output
506 );
507
aa60d156 508 PrintAndLog("--> : %s : <-- Should be equal to our RndA",sprint_hex(bar, 8));
0ec548dc 509
510
81740aa5 511 } else {
512 return 2;
513 }
514
515 } else {
516 PrintAndLog("Command execute timeout");
517 return 1;
518 }
afceaf40 519 return 0;
81740aa5 520}
afceaf40
MHS		 521/**
522A test function to validate that the polarssl-function works the same
523was as the openssl-implementation.
524Commented out, since it requires openssl
525
526int CmdTestDES(const char * cmd)
527{
528 uint8_t key[16] = {0x00};
529
530 memcpy(key,key3_3des_data,16);
531 DES_cblock RndA, RndB;
532
533 PrintAndLog("----------OpenSSL DES implementation----------");
534 {
535 uint8_t e_RndB[8] = {0x00};
536 unsigned char RndARndB[16] = {0x00};
537
538 DES_cblock iv = { 0 };
539 DES_key_schedule ks1,ks2;
540 DES_cblock key1,key2;
541
542 memcpy(key,key3_3des_data,16);
543 memcpy(key1,key,8);
544 memcpy(key2,key+8,8);
545
546
547 DES_set_key((DES_cblock *)key1,&ks1);
548 DES_set_key((DES_cblock *)key2,&ks2);
549
550 DES_random_key(&RndA);
551 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
552 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
553 //void DES_ede2_cbc_encrypt(const unsigned char *input,
554 // unsigned char *output, long length, DES_key_schedule *ks1,
555 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
556 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
557
558 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
559 rol(RndB,8);
560 memcpy(RndARndB,RndA,8);
561 memcpy(RndARndB+8,RndB,8);
562 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
563 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
564 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
565
566 }
567 PrintAndLog("----------PolarSSL implementation----------");
568 {
569 uint8_t random_a[8] = { 0 };
570 uint8_t enc_random_a[8] = { 0 };
571 uint8_t random_b[8] = { 0 };
572 uint8_t enc_random_b[8] = { 0 };
573 uint8_t random_a_and_b[16] = { 0 };
574 des3_context ctx = { 0 };
575
576 memcpy(random_a, RndA,8);
577
578 uint8_t output[8] = { 0 };
579 uint8_t iv[8] = { 0 };
580
581 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
582 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
583
584 des3_set2key_dec(&ctx, key);
585
586 des3_crypt_cbc(&ctx // des3_context *ctx
587 , DES_DECRYPT // int mode
588 , sizeof(random_b) // size_t length
589 , iv // unsigned char iv[8]
590 , enc_random_b // const unsigned char *input
591 , random_b // unsigned char *output
592 );
593
594 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
595
596 rol(random_b,8);
597 memcpy(random_a_and_b ,random_a,8);
598 memcpy(random_a_and_b+8,random_b,8);
599
600 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
601
602 des3_set2key_enc(&ctx, key);
81740aa5 603
afceaf40
MHS		 604 des3_crypt_cbc(&ctx // des3_context *ctx
605 , DES_ENCRYPT // int mode
606 , sizeof(random_a_and_b) // size_t length
607 , enc_random_b // unsigned char iv[8]
608 , random_a_and_b // const unsigned char *input
609 , random_a_and_b // unsigned char *output
610 );
611
612 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
613 }
614 return 0;
615}
616**/
81740aa5 617//
618// Ultralight C Read Single Block
619//
620int CmdHF14AMfUCRdBl(const char *Cmd)
621{
aa60d156 622 UsbCommand resp;
f1170fa7 623 bool hasPwd = FALSE;
afceaf40 624 uint8_t blockNo = -1;
f1170fa7 625 unsigned char key[16];
afceaf40 626 char cmdp = param_getchar(Cmd, 0);
81740aa5 627
628 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
f1170fa7 629 PrintAndLog("Usage: hf mfu crdbl <block number> <password>");
630 PrintAndLog("");
631 PrintAndLog("sample: hf mfu crdbl 0");
aa60d156 632 PrintAndLog(" hf mfu crdbl 0 112233445566778899AABBCCDDEEFF");
afceaf40
MHS		 633 return 0;
634 }
635
636 blockNo = param_get8(Cmd, 0);
81740aa5 637 if (blockNo < 0) {
638 PrintAndLog("Wrong block number");
639 return 1;
640 }
641
afceaf40 642 if (blockNo > MAX_ULTRAC_BLOCKS ){
aa60d156 643 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
afceaf40
MHS		 644 return 1;
645 }
81740aa5 646
f1170fa7 647 // key
648 if ( strlen(Cmd) > 3){
aa60d156 649 if (param_gethex(Cmd, 1, key, 32)) {
650 PrintAndLog("Key must include %d HEX symbols", 32);
f1170fa7 651 return 1;
652 } else {
653 hasPwd = TRUE;
654 }
aa60d156 655 }
afceaf40
MHS		 656
657 //Read Block
f1170fa7 658 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
659 if ( hasPwd ) {
660 c.arg[1] = 1;
661 memcpy(c.d.asBytes,key,16);
662 }
663 SendCommand(&c);
aa60d156 664
f1170fa7 665 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
666 uint8_t isOK = resp.arg[0] & 0xff;
aa60d156 667 if (isOK) {
668 uint8_t *data = resp.d.asBytes;
669 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
670 }
671 else {
672 PrintAndLog("Failed reading block: (%02x)", isOK);
673 }
81740aa5 674 } else {
aa60d156 675 PrintAndLog("Command execute time-out");
81740aa5 676 }
afceaf40 677 return 0;
81740aa5 678}
679
680//
681// Mifare Ultralight C Write Single Block
682//
683int CmdHF14AMfUCWrBl(const char *Cmd){
afceaf40
MHS		 684
685 uint8_t blockNo = -1;
686 bool chinese_card = FALSE;
687 uint8_t bldata[16] = {0x00};
688 UsbCommand resp;
81740aa5 689
afceaf40 690 char cmdp = param_getchar(Cmd, 0);
81740aa5 691
692 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
afceaf40 693 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
81740aa5 694 PrintAndLog(" [block number]");
695 PrintAndLog(" [block data] - (8 hex symbols)");
696 PrintAndLog(" [w] - Chinese magic ultralight tag");
697 PrintAndLog("");
afceaf40 698 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
81740aa5 699 PrintAndLog("");
afceaf40
MHS		 700 return 0;
701 }
81740aa5 702
afceaf40
MHS		 703 blockNo = param_get8(Cmd, 0);
704 if (blockNo > MAX_ULTRAC_BLOCKS ){
705 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
706 return 1;
707 }
81740aa5 708
afceaf40
MHS		 709 if (param_gethex(Cmd, 1, bldata, 8)) {
710 PrintAndLog("Block data must include 8 HEX symbols");
711 return 1;
712 }
81740aa5 713
afceaf40
MHS		 714 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
715 chinese_card = TRUE;
716 }
81740aa5 717
718 if ( blockNo <= 3 ) {
719 if (!chinese_card){
720 PrintAndLog("Access Denied");
721 } else {
722 PrintAndLog("--Special block no: 0x%02x", blockNo);
723 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
724 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
725 memcpy(d.d.asBytes,bldata, 4);
726 SendCommand(&d);
727 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
728 uint8_t isOK = resp.arg[0] & 0xff;
729 PrintAndLog("isOk:%02x", isOK);
730 } else {
731 PrintAndLog("Command execute timeout");
732 }
733 }
734 } else {
afceaf40
MHS		 735 PrintAndLog("--Block no : 0x%02x", blockNo);
736 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
737 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
738 memcpy(e.d.asBytes,bldata, 4);
739 SendCommand(&e);
740 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
741 uint8_t isOK = resp.arg[0] & 0xff;
742 PrintAndLog("isOk : %02x", isOK);
743 } else {
744 PrintAndLog("Command execute timeout");
745 }
81740aa5 746 }
747 return 0;
748}
749
aa60d156 750//
751// Mifare Ultralight C - Set password
752//
753int CmdHF14AMfucSetPwd(const char *Cmd){
754
755 uint8_t pwd[16] = {0x00};
756
757 char cmdp = param_getchar(Cmd, 0);
758
759 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
760 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
761 PrintAndLog(" [password] - (32 hex symbols)");
762 PrintAndLog("");
763 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
764 PrintAndLog("");
765 return 0;
766 }
767
768 if (param_gethex(Cmd, 0, pwd, 32)) {
769 PrintAndLog("Password must include 32 HEX symbols");
770 return 1;
771 }
772
773 UsbCommand c = {CMD_MIFAREUC_SETPWD};
774 memcpy( c.d.asBytes, pwd, 16);
775 SendCommand(&c);
776
777 UsbCommand resp;
778
779 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
780 if ( (resp.arg[0] & 0xff) == 1)
781 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
782 else{
783 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
784 return 1;
785 }
786 }
787 else {
788 PrintAndLog("command execution time out");
789 return 1;
790 }
791
792 return 0;
793}
794
795//
796// Mifare Ultraligh - Set UID
797//
798int CmdHF14AMfucSetUid(const char *Cmd){
799
800 uint8_t uid[7] = {0x00};
801 char cmdp = param_getchar(Cmd, 0);
802
803 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
804 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
805 PrintAndLog(" [uid] - (14 hex symbols)");
806 PrintAndLog("");
807 PrintAndLog("sample: hf mfu setuid 11223344556677");
808 PrintAndLog("");
809 return 0;
810 }
811
812 if (param_gethex(Cmd, 0, uid, 14)) {
813 PrintAndLog("Password must include 14 HEX symbols");
814 return 1;
815 }
816
817 UsbCommand c = {CMD_MIFAREU_SETUID};
818 memcpy( c.d.asBytes, uid, 14);
819 SendCommand(&c);
820
821 UsbCommand resp;
822 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
823 if ( (resp.arg[0] & 0xff) == 1)
824 PrintAndLog("New UID: %s", sprint_hex(uid,14));
825 else{
826 PrintAndLog("Failed writing new uid");
827 return 1;
828 }
829 }
830 else {
831 PrintAndLog("command execution time out");
832 return 1;
833 }
834 return 0;
835}
836
837int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
838
839 uint8_t iv[8] = { 0x00 };
840 uint8_t block = 0x07;
841
842 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
395f6a81 843 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
844 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
845 uint8_t dkeyA[8] = { 0x00 };
846 uint8_t dkeyB[8] = { 0x00 };
847
aa60d156 848 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
849
850 uint8_t mix[8] = { 0x00 };
851 uint8_t divkey[8] = { 0x00 };
852
395f6a81 853 memcpy(mix, mifarekeyA, 4);
aa60d156 854
395f6a81 855 mix[4] = mifarekeyA[4] ^ uid[0];
856 mix[5] = mifarekeyA[5] ^ uid[1];
aa60d156 857 mix[6] = block ^ uid[2];
858 mix[7] = uid[3];
859
860 des3_context ctx = { 0x00 };
861 des3_set2key_enc(&ctx, masterkey);
862
f2019c77 863 des3_crypt_cbc(&ctx // des3_context
864 , DES_ENCRYPT // int mode
865 , sizeof(mix) // length
866 , iv // iv[8]
867 , mix // input
868 , divkey // output
aa60d156 869 );
870
871 PrintAndLog("3DES version");
872 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
873 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
874 PrintAndLog("Sector :\t %0d", block);
395f6a81 875 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
aa60d156 876 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
877 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
878
395f6a81 879 PrintAndLog("\n DES version");
880
881 for (int i=0; i < sizeof(mifarekeyA); ++i){
882 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
883 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
884 }
885
886 for (int i=0; i < sizeof(mifarekeyB); ++i){
887 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
888 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
889 }
890
891 uint8_t zeros[8] = {0x00};
892 uint8_t newpwd[8] = {0x00};
893 uint8_t dmkey[24] = {0x00};
894 memcpy(dmkey, dkeyA, 8);
895 memcpy(dmkey+8, dkeyB, 8);
896 memcpy(dmkey+16, dkeyA, 8);
897 memset(iv, 0x00, 8);
898
899 des3_set3key_enc(&ctx, dmkey);
900
901 des3_crypt_cbc(&ctx // des3_context
902 , DES_ENCRYPT // int mode
903 , sizeof(newpwd) // length
904 , iv // iv[8]
905 , zeros // input
906 , newpwd // output
907 );
908
909 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
910 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
911 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
912 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
913
aa60d156 914 return 0;
915}
916
395f6a81 917// static uint8_t * diversify_key(uint8_t * key){
918
aa60d156 919 // for(int i=0; i<16; i++){
920 // if(i<=6) key[i]^=cuid[i];
921 // if(i>6) key[i]^=cuid[i%7];
922 // }
923 // return key;
924// }
925
926// static void GenerateUIDe( uint8_t *uid, uint8_t len){
927 // for (int i=0; i<len; ++i){
928
929 // }
930 // return;
931// }
932
81740aa5 933//------------------------------------
934// Menu Stuff
935//------------------------------------
936static command_t CommandTable[] =
937{
afceaf40
MHS		 938 {"help", CmdHelp, 1,"This help"},
939 {"dbg", CmdHF14AMfDbg, 0,"Set default debug mode"},
81740aa5 940 {"info", CmdHF14AMfUInfo, 0,"Taginfo"},
941 {"dump", CmdHF14AMfUDump, 0,"Dump MIFARE Ultralight / Ultralight-C tag to binary file"},
aa60d156 942 {"rdbl", CmdHF14AMfURdBl, 0,"Read block - MIFARE Ultralight"},
afceaf40 943 {"wrbl", CmdHF14AMfUWrBl, 0,"Write block - MIFARE Ultralight"},
aa60d156 944 {"crdbl", CmdHF14AMfUCRdBl, 0,"Read block - MIFARE Ultralight C"},
945 {"cwrbl", CmdHF14AMfUCWrBl, 0,"Write block - MIFARE Ultralight C"},
946 {"cauth", CmdHF14AMfucAuth, 0,"Ultralight C Authentication"},
afceaf40 947 //{"testdes", CmdTestDES , 1, "Test DES"},
aa60d156 948 {"setpwd", CmdHF14AMfucSetPwd , 1, "Set 3des password [Ultralight-C only]"},
949 {"setuid", CmdHF14AMfucSetUid , 1, "Set UID"},
950 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
afceaf40 951 {NULL, NULL, 0, NULL}
81740aa5 952};
953
954int CmdHFMFUltra(const char *Cmd){
afceaf40
MHS		 955 WaitForResponseTimeout(CMD_ACK,NULL,100);
956 CmdsParse(CommandTable, Cmd);
957 return 0;
81740aa5 958}
959
960int CmdHelp(const char *Cmd){
afceaf40
MHS		 961 CmdsHelp(CommandTable);
962 return 0;
81740aa5 963}
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