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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 "loclass/des.h"
11 #include "cmdhfmfu.h"
12 #include "cmdhfmf.h"
13 #include "cmdhf14a.h"
14 #include "mifare.h"
15 #include "util.h"
16 #include "../common/protocols.h"
17
18 #define MAX_UL_BLOCKS 0x0f
19 #define MAX_ULC_BLOCKS 0x2f
20 #define MAX_ULEV1a_BLOCKS 0x0b
21 #define MAX_ULEV1b_BLOCKS 0x20
22 #define MAX_NTAG_213 0x2c
23 #define MAX_NTAG_215 0x86
24 #define MAX_NTAG_216 0xE6
25
26 typedef enum TAGTYPE_UL {
27 UNKNOWN = 0,
28 UL = 1,
29 UL_C = 2,
30 UL_EV1_48 = 4,
31 UL_EV1_128 = 8,
32 NTAG = 16,
33 NTAG_213 = 32,
34 NTAG_215 = 64,
35 NTAG_216 = 128,
36 MAGIC = 256,
37 UL_MAGIC = UL | MAGIC,
38 UL_C_MAGIC = UL_C | MAGIC,
39 UL_ERROR = 0xFFFF,
40
41 } TagTypeUL_t;
42
43 uint8_t default_3des_keys[7][16] = {
44 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
45 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
46 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
47 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
48 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
49 { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
50 { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
51 };
52
53 static int CmdHelp(const char *Cmd);
54
55 char* getProductTypeStr( uint8_t id){
56
57 static char buf[20];
58 char *retStr = buf;
59
60 switch(id) {
61 case 3:
62 sprintf(retStr, "0x%02X %s", id, "(Ultralight)");
63 break;
64 case 4:
65 sprintf(retStr, "0x%02X %s", id, "(NTAG)");
66 break;
67 default:
68 sprintf(retStr, "0x%02X %s", id, "(unknown)");
69 break;
70 }
71 return buf;
72 }
73
74 /*
75 The 7 MSBits (=n) code the storage size itself based on 2^n,
76 the LSBit is set to '0' if the size is exactly 2^n
77 and set to '1' if the storage size is between 2^n and 2^(n+1).
78 */
79 char* getUlev1CardSizeStr( uint8_t fsize ){
80
81 static char buf[30];
82 char *retStr = buf;
83
84 uint8_t usize = 1 << ((fsize >>1) + 1);
85 uint8_t lsize = 1 << (fsize >>1);
86
87 // is LSB set?
88 if ( fsize & 1 )
89 sprintf(retStr, "0x%02X (%d - %d bytes)",fsize, usize, lsize);
90 else
91 sprintf(retStr, "0x%02X (%d bytes)", fsize, lsize);
92 return buf;
93 }
94
95 static void ul_switch_on_field(void) {
96 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
97 SendCommand(&c);
98 }
99
100 static void ul_switch_off_field(void) {
101 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
102 SendCommand(&c);
103 }
104
105 static int ul_send_cmd_raw( uint8_t *cmd, uint8_t len, uint8_t *response ) {
106 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_APPEND_CRC, len, 0}};
107 memcpy(c.d.asBytes, cmd, len);
108 SendCommand(&c);
109 UsbCommand resp;
110 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
111
112 if (resp.arg[0] > 0)
113 memcpy(response, resp.d.asBytes, resp.arg[0]);
114
115 return resp.arg[0];
116 }
117
118 static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t len, uint8_t *response, bool append_crc ) {
119
120 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT , len, 0}};
121 if (append_crc)
122 c.arg[0] |= ISO14A_APPEND_CRC;
123
124 memcpy(c.d.asBytes, cmd, len);
125 SendCommand(&c);
126 UsbCommand resp;
127 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
128
129 if (resp.arg[0] > 0)
130 memcpy(response, resp.d.asBytes, resp.arg[0]);
131
132 return resp.arg[0];
133 }
134
135 static int ul_select( iso14a_card_select_t *card ){
136
137 ul_switch_on_field();
138
139 UsbCommand resp;
140 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
141 ul_switch_off_field();
142 return -1;
143 }
144
145 if (resp.arg[0] > 0) {
146 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
147 }
148 return resp.arg[0];
149 }
150
151 // This read command will at least return 16bytes.
152 static int ul_read( uint8_t page, uint8_t *response ){
153
154 uint8_t cmd[] = {ISO14443A_CMD_READBLOCK, page};
155 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response);
156 if ( len == -1 )
157 ul_switch_off_field();
158 return len;
159 }
160
161 static int ulc_requestAuthentication( uint8_t blockNo, uint8_t *nonce ){
162
163 uint8_t cmd[] = {MIFARE_ULC_AUTH_1, blockNo};
164 int len = ul_send_cmd_raw(cmd, sizeof(cmd), nonce);
165 if ( len == -1 )
166 ul_switch_off_field();
167 return len;
168 }
169
170 static int ulev1_requestAuthentication( uint8_t *pwd, uint8_t *pack ){
171
172 uint8_t cmd[] = {MIFARE_ULEV1_AUTH, pwd[0], pwd[1], pwd[2], pwd[3]};
173 int len = ul_send_cmd_raw(cmd, sizeof(cmd), pack);
174 if ( len == -1)
175 ul_switch_off_field();
176 return len;
177 }
178
179 static int ulev1_getVersion( uint8_t *response ){
180
181 uint8_t cmd[] = {MIFARE_ULEV1_VERSION};
182 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response);
183 if ( len == -1 )
184 ul_switch_off_field();
185 return len;
186 }
187
188 // static int ulev1_fastRead( uint8_t startblock, uint8_t endblock, uint8_t *response ){
189
190 // uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
191
192 // if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
193 // ul_switch_off_field();
194 // return -1;
195 // }
196 // return 0;
197 // }
198
199 static int ulev1_readCounter( uint8_t counter, uint8_t *response ){
200
201 uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
202 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response);
203 if (len == -1)
204 ul_switch_off_field();
205 return len;
206 }
207
208 static int ul_print_CC(uint8_t *data) {
209 if(data[0] != 0xe1) {
210 PrintAndLog("no NDEF message");
211 return -1; // no NDEF message
212 }
213
214 PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
215 PrintAndLog(" %02X: NDEF Magic Number", data[0]);
216 PrintAndLog(" %02X: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
217 PrintAndLog(" %02X: Physical Memory Size of this tag: %d bytes", data[2], (data[2] + 1) * 8);
218 PrintAndLog(" %02X: %s / %s", data[3],
219 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
220 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
221 return 0;
222 }
223
224 static int ul_print_version(uint8_t *data){
225 PrintAndLog("VERSION COMMAND: %s", sprint_hex(data, 8) );
226 PrintAndLog(" Vendor ID : 0x%02X, Manufacturer: %s", data[1], getTagInfo(data[1]));
227 PrintAndLog(" Product type : %s" , getProductTypeStr(data[2]));
228 PrintAndLog("Product subtype : 0x%02X %s" , data[3], (data[3]==1) ?"17 pF":"50pF");
229 PrintAndLog(" Major version : 0x%02X" , data[4]);
230 PrintAndLog(" Minor version : 0x%02X" , data[5]);
231 PrintAndLog(" Size : %s", getUlev1CardSizeStr(data[6]));
232 PrintAndLog(" Protocol type : 0x%02X" , data[7]);
233 return 0;
234 }
235
236 static int ul_print_type(uint16_t tagtype){
237 if ( tagtype & UL )
238 PrintAndLog(" TYPE : MIFARE Ultralight (MF0ICU1) %s", (tagtype & MAGIC)?"<magic>":"");
239 else if ( tagtype & UL_C)
240 PrintAndLog(" TYPE : MIFARE Ultralight C (MF0ULC) %s", (tagtype & MAGIC)?"<magic>":"" );
241 else if ( tagtype & UL_EV1_48)
242 PrintAndLog(" TYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)");
243 else if ( tagtype & UL_EV1_128)
244 PrintAndLog(" TYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101");
245 else if ( tagtype & NTAG_213 )
246 PrintAndLog(" TYPE : MIFARE NTAG 213 144bytes (NT2H1311G0DU)");
247 else if ( tagtype & NTAG_215 )
248 PrintAndLog(" TYPE : MIFARE NTAG 215 504bytes (NT2H1511G0DU)");
249 else if ( tagtype & NTAG_216 )
250 PrintAndLog(" TYPE : MIFARE NTAG 216 888bytes (NT2H1611G0DU)");
251 else
252 PrintAndLog(" TYPE : Unknown %x",tagtype);
253 return 0;
254 }
255
256 uint16_t GetHF14AMfU_Type(void){
257
258 TagTypeUL_t tagtype = UNKNOWN;
259 iso14a_card_select_t card;
260 uint8_t version[10] = {0x00};
261 uint8_t nonce1[11] = {0x00};
262 uint8_t nonce2[11] = {0x00};
263 int status = 0;
264 int len;
265
266 status = ul_select(&card);
267 if ( status < 1 ){
268 PrintAndLog("Error: couldn't select");
269 return UL_ERROR;
270 }
271
272 // Ultralight - ATQA / SAK
273 if ( card.atqa[1] != 0x00 && card.atqa[0] != 0x44 && card.sak != 0x00 ) {
274 ul_switch_off_field();
275 return UL_ERROR;
276 }
277
278 len = ulev1_getVersion(version);
279
280 switch (len) {
281 case -1:
282 tagtype = (UL | UL_C);
283 break;
284 case 0x0A: {
285
286 if ( version[2] == 0x03 && version[6] == 0x0B )
287 tagtype = UL_EV1_48;
288 else if ( version[2] == 0x03 && version[6] != 0x0B )
289 tagtype = UL_EV1_128;
290 else if ( version[2] == 0x04 && version[6] == 0x0F )
291 tagtype = NTAG_213;
292 else if ( version[2] == 0x04 && version[6] != 0x11 )
293 tagtype = NTAG_215;
294 else if ( version[2] == 0x04 && version[6] == 0x13 )
295 tagtype = NTAG_216;
296 else if ( version[2] == 0x04 )
297 tagtype = NTAG;
298
299 break;
300 }
301 case 0x01:{
302 tagtype = UL_C;
303 break;
304 }
305 case 0x00: {
306 tagtype = UL;
307 break;
308 }
309 default :{
310 tagtype = UNKNOWN;
311 break;
312 }
313 }
314
315 if ((tagtype & ( UL_C | UL ))) {
316 // Magic UL-C, by observation,
317 // it seems to have a static nonce response to 0x1A command.
318 status = ul_select(&card);
319 status = ulc_requestAuthentication(0, nonce1);
320 if ( status > 0 ) {
321 status = ulc_requestAuthentication(0, nonce2);
322
323 if ( !memcmp(nonce1, nonce2, 11)) {
324 tagtype = UL_C_MAGIC;
325 }
326 else
327 tagtype = UL_C;
328
329 } else {
330 tagtype = UL;
331 }
332 }
333
334 //PrintAndLog("ICE %d", tagtype);
335 //Magic Ultralight test here. It takes present UID, and tries to write it back.
336 if ( (tagtype & UL) ){
337 // read 3des key or PWD,
338 // if response bytes == all zeros its a NORMAL tag.
339 //return UL_MAGIC;
340 }
341
342 ul_switch_off_field();
343 return tagtype;
344 }
345
346 int CmdHF14AMfUInfo(const char *Cmd){
347
348 uint8_t datatemp[7] = {0x00};
349 uint8_t data[16] = {0x00};
350 iso14a_card_select_t card;
351 uint8_t *key;
352 int status;
353
354 PrintAndLog("\n-- Tag Information ---------");
355 PrintAndLog("-------------------------------------------------------------");
356
357 TagTypeUL_t tagtype = GetHF14AMfU_Type();
358 if (tagtype == UL_ERROR) return -1;
359
360 ul_print_type(tagtype);
361
362 status = ul_select(&card);
363 if ( status < 1 ){
364 PrintAndLog("Error: couldn't select");
365 ul_switch_off_field();
366 return status;
367 }
368
369 // read pages 0,1,2,4 (should read 4pages)
370 status = ul_read(0, data);
371 if ( status == -1 ){
372 PrintAndLog("Error: tag didn't answer to READ");
373 ul_switch_off_field();
374 return status;
375 }
376
377 // UID
378 memcpy( datatemp, data, 3);
379 memcpy( datatemp+3, data+4, 4);
380
381 PrintAndLog(" UID : %s ", sprint_hex(datatemp, 7));
382 PrintAndLog(" UID[0] : (Manufacturer Byte) = %02x, Manufacturer: %s", datatemp[0], getTagInfo(datatemp[0]) );
383
384 // BBC
385 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
386 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
387 if ( data[3] == crc0 )
388 PrintAndLog(" BCC0 : 0x%02X - Ok", data[3]);
389 else
390 PrintAndLog(" BCC0 : 0x%02X - crc should be %02x", data[3], crc0);
391
392 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
393 if ( data[8] == crc1 )
394 PrintAndLog(" BCC1 : 0x%02X - Ok", data[8]);
395 else
396 PrintAndLog(" BCC1 : 0x%02X - crc should be 0x%02X", data[8], crc1 );
397
398 PrintAndLog(" Internal : %s ", sprint_hex(data + 9, 1));
399
400 memcpy(datatemp, data+10, 2);
401 PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
402 PrintAndLog("OneTimePad : %s ", sprint_hex(data + 3*4, 4));
403 PrintAndLog("");
404
405
406
407 if ((tagtype & UL_C)){
408 PrintAndLog("--- Trying some Ultralight-C stuff");
409 // read pages 42,43
410 uint8_t ulc_conf[16] = {0x00};
411 status = ul_read(42, ulc_conf);
412 if ( status == -1 ){
413 PrintAndLog("Error: tag didn't answer to READ");
414 ul_switch_off_field();
415 return status;
416 }
417
418 PrintAndLog("read UL-C Configuration bytes at page 42,43");
419 //PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2), printBits( 2, &datatemp) );
420 PrintAndLog(" Lock [42]: %s", sprint_hex(ulc_conf, 4) );
421 PrintAndLog("Config [43]: %s", sprint_hex(ulc_conf+4, 4) );
422
423
424 // if magic, try read passwd?
425 if ((tagtype & UL_C_MAGIC)){
426 // read pages 44,45,46,47
427 uint8_t deskey[16] = {0x00};
428 status = ul_read(44, deskey);
429 if ( status == -1 ){
430 PrintAndLog("Error: tag didn't answer to READ");
431 ul_switch_off_field();
432 return status;
433 }
434 PrintAndLog(" pwd0 [44]: %s", sprint_hex(deskey ,4));
435 PrintAndLog(" pwd1 [45]: %s", sprint_hex(deskey+4 ,4));
436 PrintAndLog(" pwd2 [46]: %s", sprint_hex(deskey+8 ,4));
437 PrintAndLog(" pwd3 [47]: %s", sprint_hex(deskey+12,4));
438
439 }
440
441 PrintAndLog("Trying some default 3des keys");
442 for (uint8_t i = 0; i < 7; ++i ){
443 key = default_3des_keys[i];
444 if (try3DesAuthentication(key) == 1){
445 PrintAndLog("Found default 3des key: %s", sprint_hex(key,16));
446 return 0;
447 }
448 }
449 }
450
451 if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
452 uint8_t counter[4] = {0,0,0,0};
453 ulev1_readCounter(0,counter);
454 PrintAndLog("COUNTER: 0 :: %s",sprint_hex(counter,4));
455 ulev1_readCounter(1,counter);
456 PrintAndLog("COUNTER: 1 :: %s",sprint_hex(counter,4));
457 ulev1_readCounter(2,counter);
458 PrintAndLog("COUNTER: 2 :: %s",sprint_hex(counter,4));
459 }
460
461 if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216))) {
462
463 PrintAndLog("--- Trying some Ultralight-EV1 / NTAG stuff");
464
465 uint8_t version[10] = {0x00};
466 status = ulev1_getVersion(version);
467 if ( status == -1 ){
468 PrintAndLog("Error: tag didn't answer to GETVERSION");
469 ul_switch_off_field();
470 return status;
471 }
472 ul_print_version(version);
473
474 //********** TODO ********************************
475 // --problem, there is a failed pwd tries counter in UL-EV1
476 PrintAndLog("Trying some known EV1/NTAG passwords.");
477
478 uint8_t password[4] ={0xff,0xff,0xff,0xff};
479 uint8_t pack[4] = {0,0,0,0};
480 status = ulev1_requestAuthentication(password, pack);
481 if ( status == -1 ){
482 PrintAndLog("Error: tag didn't answer to AUTHENTICATE");
483 ul_switch_off_field();
484 return status;
485 }
486 PrintAndLog("Found default password: %s",sprint_hex(password, sizeof(password)));
487 PrintAndLog("Got PACK : %s", sprint_hex(pack,sizeof(pack)));
488 }
489
490 if ((tagtype & (NTAG_213 | NTAG_215 | NTAG_216))){
491
492 PrintAndLog("--- Trying some NTAG stuff");
493 uint8_t cc[16] = {0x00};
494 status = ul_read(2, cc);
495 if ( status == -1 ){
496 PrintAndLog("Error: tag didn't answer to READ");
497 ul_switch_off_field();
498 return status;
499 }
500 ul_print_CC(cc);
501 }
502
503 ul_switch_off_field();
504 return 0;
505 }
506
507 //
508 // Mifare Ultralight Write Single Block
509 //
510 int CmdHF14AMfUWrBl(const char *Cmd){
511 uint8_t blockNo = -1;
512 bool chinese_card = FALSE;
513 uint8_t bldata[16] = {0x00};
514 UsbCommand resp;
515
516 char cmdp = param_getchar(Cmd, 0);
517 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
518 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
519 PrintAndLog(" [block number]");
520 PrintAndLog(" [block data] - (8 hex symbols)");
521 PrintAndLog(" [w] - Chinese magic ultralight tag");
522 PrintAndLog("");
523 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
524 PrintAndLog("");
525 return 0;
526 }
527
528 blockNo = param_get8(Cmd, 0);
529
530 if (blockNo > MAX_UL_BLOCKS){
531 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
532 return 1;
533 }
534
535 if (param_gethex(Cmd, 1, bldata, 8)) {
536 PrintAndLog("Block data must include 8 HEX symbols");
537 return 1;
538 }
539
540 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
541 chinese_card = TRUE;
542 }
543
544 if ( blockNo <= 3) {
545 if (!chinese_card){
546 PrintAndLog("Access Denied");
547 } else {
548 PrintAndLog("--specialblock no:%02x", blockNo);
549 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
550 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
551 memcpy(d.d.asBytes,bldata, 4);
552 SendCommand(&d);
553 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
554 uint8_t isOK = resp.arg[0] & 0xff;
555 PrintAndLog("isOk:%02x", isOK);
556 } else {
557 PrintAndLog("Command execute timeout");
558 }
559 }
560 } else {
561 PrintAndLog("--block no:%02x", blockNo);
562 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
563 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
564 memcpy(e.d.asBytes,bldata, 4);
565 SendCommand(&e);
566 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
567 uint8_t isOK = resp.arg[0] & 0xff;
568 PrintAndLog("isOk:%02x", isOK);
569 } else {
570 PrintAndLog("Command execute timeout");
571 }
572 }
573 return 0;
574 }
575
576 //
577 // Mifare Ultralight Read Single Block
578 //
579 int CmdHF14AMfURdBl(const char *Cmd){
580
581 UsbCommand resp;
582 uint8_t blockNo = -1;
583 char cmdp = param_getchar(Cmd, 0);
584
585 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
586 PrintAndLog("Usage: hf mfu rdbl <block number>");
587 PrintAndLog(" sample: hfu mfu rdbl 0");
588 return 0;
589 }
590
591 blockNo = param_get8(Cmd, 0);
592
593 if (blockNo > MAX_UL_BLOCKS){
594 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
595 return 1;
596 }
597
598 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
599 SendCommand(&c);
600
601
602 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
603 uint8_t isOK = resp.arg[0] & 0xff;
604 if (isOK) {
605 uint8_t *data = resp.d.asBytes;
606 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
607 }
608 else {
609 PrintAndLog("Failed reading block: (%02x)", isOK);
610 }
611 } else {
612 PrintAndLog("Command execute time-out");
613 }
614
615 return 0;
616 }
617
618 int usage_hf_mfu_dump(void)
619 {
620 PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
621 PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
622 PrintAndLog("It autodetects card type.\n");
623 PrintAndLog("Usage: hf mfu dump k <key> n <filename w/o .bin>");
624 PrintAndLog(" sample : hf mfu dump");
625 PrintAndLog(" : hf mfu dump n myfile");
626 return 0;
627 }
628 //
629 // Mifare Ultralight / Ultralight-C / Ultralight-EV1
630 // Read and Dump Card Contents, using auto detection of tag size.
631 //
632 // TODO: take a password to read UL-C / UL-EV1 tags.
633 int CmdHF14AMfUDump(const char *Cmd){
634
635 FILE *fout;
636 char filename[FILE_PATH_SIZE] = {0x00};
637 char * fnameptr = filename;
638 char* str = "Dumping Ultralight%s%s Card Data...";
639 uint8_t *lockbytes_t = NULL;
640 uint8_t lockbytes[2] = {0x00};
641 uint8_t *lockbytes_t2 = NULL;
642 uint8_t lockbytes2[2] = {0x00};
643 bool bit[16] = {0x00};
644 bool bit2[16] = {0x00};
645 uint8_t data[1024] = {0x00};
646 bool hasPwd = false;
647 int i = 0;
648 int Pages = 16;
649 bool tmplockbit = false;
650 uint8_t dataLen=0;
651 uint8_t cmdp =0;
652 //uint8_t key[16]= {0x00};
653 uint8_t *key = NULL;
654 size_t fileNlen = 0;
655 bool errors = FALSE;
656
657 while(param_getchar(Cmd, cmdp) != 0x00)
658 {
659 switch(param_getchar(Cmd, cmdp))
660 {
661 case 'h':
662 case 'H':
663 return usage_hf_mfu_dump();
664 case 'k':
665 case 'K':
666 dataLen = param_gethex(Cmd, cmdp+1, data, 32);
667 if (dataLen) {
668 errors = true;
669 } else {
670 //memcpy(key, data, 16);
671 key = SwapEndian64(data, 16);
672 PrintAndLog("3des key: %s",sprint_hex(key, 16));
673 }
674 cmdp += 2;
675 hasPwd = true;
676 break;
677 case 'n':
678 case 'N':
679 fileNlen = param_getstr(Cmd, cmdp+1, filename);
680 if (!fileNlen) errors = true;
681 if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
682 cmdp += 2;
683 break;
684 default:
685 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
686 errors = true;
687 break;
688 }
689 if(errors) break;
690 }
691
692 //Validations
693 if(errors) return usage_hf_mfu_dump();
694
695 TagTypeUL_t tagtype = GetHF14AMfU_Type();
696 if (tagtype == UL_ERROR) return -1;
697
698 if ( tagtype & UL ) {
699 Pages = 16;
700 PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" );
701 }
702 else if ( tagtype & UL_C ) {
703 Pages = 44;
704 PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" );
705 }
706 else if ( tagtype & UL_EV1_48 ) {
707 Pages = 18;
708 PrintAndLog(str," EV1_48","");
709 }
710 else if ( tagtype & UL_EV1_128 ) {
711 Pages = 32;
712 PrintAndLog(str," EV1_128","");
713 } else {
714 Pages = 16;
715 PrintAndLog("Dumping unknown Ultralight, using default values.");
716 }
717
718 UsbCommand c = {CMD_MIFAREUC_READCARD, {0,Pages}};
719 if ( hasPwd ) {
720 c.arg[2] = 1;
721 memcpy(c.d.asBytes, key, 16);
722 }
723 SendCommand(&c);
724 UsbCommand resp;
725 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
726 PrintAndLog("Command execute time-out");
727 return 1;
728 }
729
730 uint8_t isOK = resp.arg[0] & 0xff;
731 if (isOK) {
732 memcpy(data, resp.d.asBytes, resp.arg[1]);
733 } else {
734 PrintAndLog("Failed reading block: (%02x)", i);
735 return 1;
736 }
737
738 // Load lock bytes.
739 int j = 0;
740
741 lockbytes_t = data + 8;
742 lockbytes[0] = lockbytes_t[2];
743 lockbytes[1] = lockbytes_t[3];
744 for(j = 0; j < 16; j++){
745 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
746 }
747
748 // Load bottom lockbytes if available
749 if ( Pages == 44 ) {
750 lockbytes_t2 = data + (40*4);
751 lockbytes2[0] = lockbytes_t2[2];
752 lockbytes2[1] = lockbytes_t2[3];
753 for (j = 0; j < 16; j++) {
754 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
755 }
756 }
757
758 // add keys
759 if (hasPwd){
760 memcpy(data + Pages*4, key, 16);
761 Pages += 4;
762 }
763 for (i = 0; i < Pages; ++i) {
764 if ( i < 3 ) {
765 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
766 continue;
767 }
768 switch(i){
769 case 3: tmplockbit = bit[4]; break;
770 case 4: tmplockbit = bit[3]; break;
771 case 5: tmplockbit = bit[2]; break;
772 case 6: tmplockbit = bit[1]; break;
773 case 7: tmplockbit = bit[0]; break;
774 case 8: tmplockbit = bit[15]; break;
775 case 9: tmplockbit = bit[14]; break;
776 case 10: tmplockbit = bit[13]; break;
777 case 11: tmplockbit = bit[12]; break;
778 case 12: tmplockbit = bit[11]; break;
779 case 13: tmplockbit = bit[10]; break;
780 case 14: tmplockbit = bit[9]; break;
781 case 15: tmplockbit = bit[8]; break;
782 case 16:
783 case 17:
784 case 18:
785 case 19: tmplockbit = bit2[6]; break;
786 case 20:
787 case 21:
788 case 22:
789 case 23: tmplockbit = bit2[5]; break;
790 case 24:
791 case 25:
792 case 26:
793 case 27: tmplockbit = bit2[4]; break;
794 case 28:
795 case 29:
796 case 30:
797 case 31: tmplockbit = bit2[2]; break;
798 case 32:
799 case 33:
800 case 34:
801 case 35: tmplockbit = bit2[1]; break;
802 case 36:
803 case 37:
804 case 38:
805 case 39: tmplockbit = bit2[0]; break;
806 case 40: tmplockbit = bit2[12]; break;
807 case 41: tmplockbit = bit2[11]; break;
808 case 42: tmplockbit = bit2[10]; break; //auth0
809 case 43: tmplockbit = bit2[9]; break; //auth1
810 default: break;
811 }
812 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
813 }
814
815 // user supplied filename?
816 if (fileNlen < 1) {
817 // UID = data 0-1-2 4-5-6-7 (skips a beat)
818 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
819 data[0], data[1], data[2], data[4], data[5], data[6], data[7]);
820 } else {
821 sprintf(fnameptr + fileNlen," .bin");
822 }
823
824 if ((fout = fopen(filename,"wb")) == NULL) {
825 PrintAndLog("Could not create file name %s", filename);
826 return 1;
827 }
828 fwrite( data, 1, Pages*4, fout );
829 fclose(fout);
830
831 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
832 return 0;
833 }
834
835 // Needed to Authenticate to Ultralight C tags
836 void rol (uint8_t *data, const size_t len){
837 uint8_t first = data[0];
838 for (size_t i = 0; i < len-1; i++) {
839 data[i] = data[i+1];
840 }
841 data[len-1] = first;
842 }
843
844 //-------------------------------------------------------------------------------
845 // Ultralight C Methods
846 //-------------------------------------------------------------------------------
847
848 //
849 // Ultralight C Authentication Demo {currently uses hard-coded key}
850 //
851 int CmdHF14AMfucAuth(const char *Cmd){
852
853 uint8_t keyNo = 0;
854 bool errors = false;
855
856 char cmdp = param_getchar(Cmd, 0);
857
858 //Change key to user defined one
859 if (cmdp == 'k' || cmdp == 'K'){
860 keyNo = param_get8(Cmd, 1);
861 if(keyNo > 6)
862 errors = true;
863 }
864
865 if (cmdp == 'h' || cmdp == 'H')
866 errors = true;
867
868 if (errors) {
869 PrintAndLog("Usage: hf mfu cauth k <key number>");
870 PrintAndLog(" 0 (default): 3DES standard key");
871 PrintAndLog(" 1 : all 0x00 key");
872 PrintAndLog(" 2 : 0x00-0x0F key");
873 PrintAndLog(" 3 : nfc key");
874 PrintAndLog(" 4 : all 0x01 key");
875 PrintAndLog(" 5 : all 0xff key");
876 PrintAndLog(" 6 : 0x00-0xFF key");
877 PrintAndLog("\n sample : hf mfu cauth k");
878 PrintAndLog(" : hf mfu cauth k 3");
879 return 0;
880 }
881
882 uint8_t *key = default_3des_keys[keyNo];
883 if (try3DesAuthentication(key)>0)
884 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
885 else
886 PrintAndLog("Authentication failed");
887
888 return 0;
889 }
890
891 int try3DesAuthentication( uint8_t *key){
892
893 uint8_t blockNo = 0;
894 uint32_t cuid = 0;
895
896 des3_context ctx = { 0 };
897
898 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
899 uint8_t random_b[8] = { 0 };
900 uint8_t enc_random_b[8] = { 0 };
901 uint8_t rnd_ab[16] = { 0 };
902 uint8_t iv[8] = { 0 };
903
904 UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
905 SendCommand(&c);
906 UsbCommand resp;
907 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
908 if ( !(resp.arg[0] & 0xff) ) return -2;
909
910 cuid = resp.arg[1];
911 memcpy(enc_random_b,resp.d.asBytes+1,8);
912
913 des3_set2key_dec(&ctx, key);
914 // context, mode, length, IV, input, output
915 des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
916
917 rol(random_b,8);
918 memcpy(rnd_ab ,random_a,8);
919 memcpy(rnd_ab+8,random_b,8);
920
921 //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8));
922 //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8));
923 //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8));
924 //PrintAndLog(" A+B :%s", sprint_hex(rnd_ab, 16));
925
926 des3_set2key_enc(&ctx, key);
927 // context, mode, length, IV, input, output
928 des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
929
930 //Auth2
931 c.cmd = CMD_MIFAREUC_AUTH2;
932 c.arg[0] = cuid;
933 memcpy(c.d.asBytes, rnd_ab, 16);
934 SendCommand(&c);
935
936 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
937 if ( !(resp.arg[0] & 0xff)) return -2;
938
939 uint8_t enc_resp[8] = { 0 };
940 uint8_t resp_random_a[8] = { 0 };
941 memcpy(enc_resp, resp.d.asBytes+1, 8);
942
943 des3_set2key_dec(&ctx, key);
944 // context, mode, length, IV, input, output
945 des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
946
947 //PrintAndLog(" enc(A+B) :%s", sprint_hex(rnd_ab, 16));
948 //PrintAndLog(" enc(RndA') :%s", sprint_hex(enc_resp, 8));
949
950 if ( !memcmp(resp_random_a, random_a, 8))
951 return 1;
952 return 0;
953 }
954
955 /**
956 A test function to validate that the polarssl-function works the same
957 was as the openssl-implementation.
958 Commented out, since it requires openssl
959
960 int CmdTestDES(const char * cmd)
961 {
962 uint8_t key[16] = {0x00};
963
964 memcpy(key,key3_3des_data,16);
965 DES_cblock RndA, RndB;
966
967 PrintAndLog("----------OpenSSL DES implementation----------");
968 {
969 uint8_t e_RndB[8] = {0x00};
970 unsigned char RndARndB[16] = {0x00};
971
972 DES_cblock iv = { 0 };
973 DES_key_schedule ks1,ks2;
974 DES_cblock key1,key2;
975
976 memcpy(key,key3_3des_data,16);
977 memcpy(key1,key,8);
978 memcpy(key2,key+8,8);
979
980
981 DES_set_key((DES_cblock *)key1,&ks1);
982 DES_set_key((DES_cblock *)key2,&ks2);
983
984 DES_random_key(&RndA);
985 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
986 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
987 //void DES_ede2_cbc_encrypt(const unsigned char *input,
988 // unsigned char *output, long length, DES_key_schedule *ks1,
989 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
990 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
991
992 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
993 rol(RndB,8);
994 memcpy(RndARndB,RndA,8);
995 memcpy(RndARndB+8,RndB,8);
996 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
997 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
998 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
999
1000 }
1001 PrintAndLog("----------PolarSSL implementation----------");
1002 {
1003 uint8_t random_a[8] = { 0 };
1004 uint8_t enc_random_a[8] = { 0 };
1005 uint8_t random_b[8] = { 0 };
1006 uint8_t enc_random_b[8] = { 0 };
1007 uint8_t random_a_and_b[16] = { 0 };
1008 des3_context ctx = { 0 };
1009
1010 memcpy(random_a, RndA,8);
1011
1012 uint8_t output[8] = { 0 };
1013 uint8_t iv[8] = { 0 };
1014
1015 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
1016 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
1017
1018 des3_set2key_dec(&ctx, key);
1019
1020 des3_crypt_cbc(&ctx // des3_context *ctx
1021 , DES_DECRYPT // int mode
1022 , sizeof(random_b) // size_t length
1023 , iv // unsigned char iv[8]
1024 , enc_random_b // const unsigned char *input
1025 , random_b // unsigned char *output
1026 );
1027
1028 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
1029
1030 rol(random_b,8);
1031 memcpy(random_a_and_b ,random_a,8);
1032 memcpy(random_a_and_b+8,random_b,8);
1033
1034 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
1035
1036 des3_set2key_enc(&ctx, key);
1037
1038 des3_crypt_cbc(&ctx // des3_context *ctx
1039 , DES_ENCRYPT // int mode
1040 , sizeof(random_a_and_b) // size_t length
1041 , enc_random_b // unsigned char iv[8]
1042 , random_a_and_b // const unsigned char *input
1043 , random_a_and_b // unsigned char *output
1044 );
1045
1046 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
1047 }
1048 return 0;
1049 }
1050 **/
1051
1052 //
1053 // Ultralight C Read Single Block
1054 //
1055 int CmdHF14AMfUCRdBl(const char *Cmd)
1056 {
1057 UsbCommand resp;
1058 bool hasPwd = FALSE;
1059 uint8_t blockNo = -1;
1060 unsigned char key[16];
1061 char cmdp = param_getchar(Cmd, 0);
1062
1063 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
1064 PrintAndLog("Usage: hf mfu crdbl <block number> <password>");
1065 PrintAndLog("");
1066 PrintAndLog("sample: hf mfu crdbl 0");
1067 PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
1068 return 0;
1069 }
1070
1071 blockNo = param_get8(Cmd, 0);
1072 if (blockNo < 0) {
1073 PrintAndLog("Wrong block number");
1074 return 1;
1075 }
1076
1077 if (blockNo > MAX_ULC_BLOCKS ){
1078 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
1079 return 1;
1080 }
1081
1082 // key
1083 if ( strlen(Cmd) > 3){
1084 if (param_gethex(Cmd, 1, key, 32)) {
1085 PrintAndLog("Key must include %d HEX symbols", 32);
1086 return 1;
1087 } else {
1088 hasPwd = TRUE;
1089 }
1090 }
1091
1092 //Read Block
1093 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
1094 if ( hasPwd ) {
1095 c.arg[1] = 1;
1096 memcpy(c.d.asBytes,key,16);
1097 }
1098 SendCommand(&c);
1099
1100 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1101 uint8_t isOK = resp.arg[0] & 0xff;
1102 if (isOK) {
1103 uint8_t *data = resp.d.asBytes;
1104 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
1105 }
1106 else {
1107 PrintAndLog("Failed reading block: (%02x)", isOK);
1108 }
1109 } else {
1110 PrintAndLog("Command execute time-out");
1111 }
1112 return 0;
1113 }
1114
1115 //
1116 // Mifare Ultralight C Write Single Block
1117 //
1118 int CmdHF14AMfUCWrBl(const char *Cmd){
1119
1120 uint8_t blockNo = -1;
1121 bool chinese_card = FALSE;
1122 uint8_t bldata[16] = {0x00};
1123 UsbCommand resp;
1124
1125 char cmdp = param_getchar(Cmd, 0);
1126
1127 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
1128 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
1129 PrintAndLog(" [block number]");
1130 PrintAndLog(" [block data] - (8 hex symbols)");
1131 PrintAndLog(" [w] - Chinese magic ultralight tag");
1132 PrintAndLog("");
1133 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
1134 PrintAndLog("");
1135 return 0;
1136 }
1137
1138 blockNo = param_get8(Cmd, 0);
1139 if (blockNo > MAX_ULC_BLOCKS ){
1140 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
1141 return 1;
1142 }
1143
1144 if (param_gethex(Cmd, 1, bldata, 8)) {
1145 PrintAndLog("Block data must include 8 HEX symbols");
1146 return 1;
1147 }
1148
1149 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
1150 chinese_card = TRUE;
1151 }
1152
1153 if ( blockNo <= 3 ) {
1154 if (!chinese_card){
1155 PrintAndLog("Access Denied");
1156 } else {
1157 PrintAndLog("--Special block no: 0x%02x", blockNo);
1158 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1159 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
1160 memcpy(d.d.asBytes,bldata, 4);
1161 SendCommand(&d);
1162 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1163 uint8_t isOK = resp.arg[0] & 0xff;
1164 PrintAndLog("isOk:%02x", isOK);
1165 } else {
1166 PrintAndLog("Command execute timeout");
1167 }
1168 }
1169 } else {
1170 PrintAndLog("--Block no : 0x%02x", blockNo);
1171 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1172 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
1173 memcpy(e.d.asBytes,bldata, 4);
1174 SendCommand(&e);
1175 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1176 uint8_t isOK = resp.arg[0] & 0xff;
1177 PrintAndLog("isOk : %02x", isOK);
1178 } else {
1179 PrintAndLog("Command execute timeout");
1180 }
1181 }
1182 return 0;
1183 }
1184
1185 //
1186 // Mifare Ultralight C - Set password
1187 //
1188 int CmdHF14AMfucSetPwd(const char *Cmd){
1189
1190 uint8_t pwd[16] = {0x00};
1191
1192 char cmdp = param_getchar(Cmd, 0);
1193
1194 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1195 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
1196 PrintAndLog(" [password] - (32 hex symbols)");
1197 PrintAndLog("");
1198 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
1199 PrintAndLog("");
1200 return 0;
1201 }
1202
1203 if (param_gethex(Cmd, 0, pwd, 32)) {
1204 PrintAndLog("Password must include 32 HEX symbols");
1205 return 1;
1206 }
1207
1208 UsbCommand c = {CMD_MIFAREUC_SETPWD};
1209 memcpy( c.d.asBytes, pwd, 16);
1210 SendCommand(&c);
1211
1212 UsbCommand resp;
1213
1214 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1215 if ( (resp.arg[0] & 0xff) == 1)
1216 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
1217 else{
1218 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
1219 return 1;
1220 }
1221 }
1222 else {
1223 PrintAndLog("command execution time out");
1224 return 1;
1225 }
1226
1227 return 0;
1228 }
1229
1230 //
1231 // Magic UL / UL-C tags - Set UID
1232 //
1233 int CmdHF14AMfucSetUid(const char *Cmd){
1234
1235 UsbCommand c;
1236 UsbCommand resp;
1237 uint8_t uid[7] = {0x00};
1238 char cmdp = param_getchar(Cmd, 0);
1239
1240 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1241 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
1242 PrintAndLog(" [uid] - (14 hex symbols)");
1243 PrintAndLog("\nThis only works for Magic Ultralight tags.");
1244 PrintAndLog("");
1245 PrintAndLog("sample: hf mfu setuid 11223344556677");
1246 PrintAndLog("");
1247 return 0;
1248 }
1249
1250 if (param_gethex(Cmd, 0, uid, 14)) {
1251 PrintAndLog("UID must include 14 HEX symbols");
1252 return 1;
1253 }
1254
1255 // read block2.
1256 c.cmd = CMD_MIFAREU_READBL;
1257 c.arg[0] = 2;
1258 SendCommand(&c);
1259 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1260 PrintAndLog("Command execute timeout");
1261 return 2;
1262 }
1263
1264 // save old block2.
1265 uint8_t oldblock2[4] = {0x00};
1266 memcpy(resp.d.asBytes, oldblock2, 4);
1267
1268 // block 0.
1269 c.cmd = CMD_MIFAREU_WRITEBL;
1270 c.arg[0] = 0;
1271 c.d.asBytes[0] = uid[0];
1272 c.d.asBytes[1] = uid[1];
1273 c.d.asBytes[2] = uid[2];
1274 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
1275 SendCommand(&c);
1276 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1277 PrintAndLog("Command execute timeout");
1278 return 3;
1279 }
1280
1281 // block 1.
1282 c.arg[0] = 1;
1283 c.d.asBytes[0] = uid[3];
1284 c.d.asBytes[1] = uid[4];
1285 c.d.asBytes[2] = uid[5];
1286 c.d.asBytes[3] = uid[6];
1287 SendCommand(&c);
1288 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1289 PrintAndLog("Command execute timeout");
1290 return 4;
1291 }
1292
1293 // block 2.
1294 c.arg[0] = 2;
1295 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
1296 c.d.asBytes[1] = oldblock2[1];
1297 c.d.asBytes[2] = oldblock2[2];
1298 c.d.asBytes[3] = oldblock2[3];
1299 SendCommand(&c);
1300 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1301 PrintAndLog("Command execute timeout");
1302 return 5;
1303 }
1304
1305 return 0;
1306 }
1307
1308 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
1309
1310 uint8_t iv[8] = { 0x00 };
1311 uint8_t block = 0x07;
1312
1313 // UL-EV1
1314 //04 57 b6 e2 05 3f 80 UID
1315 //4a f8 4b 19 PWD
1316 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
1317 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
1318 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
1319 uint8_t dkeyA[8] = { 0x00 };
1320 uint8_t dkeyB[8] = { 0x00 };
1321
1322 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
1323
1324 uint8_t mix[8] = { 0x00 };
1325 uint8_t divkey[8] = { 0x00 };
1326
1327 memcpy(mix, mifarekeyA, 4);
1328
1329 mix[4] = mifarekeyA[4] ^ uid[0];
1330 mix[5] = mifarekeyA[5] ^ uid[1];
1331 mix[6] = block ^ uid[2];
1332 mix[7] = uid[3];
1333
1334 des3_context ctx = { 0x00 };
1335 des3_set2key_enc(&ctx, masterkey);
1336
1337 des3_crypt_cbc(&ctx // des3_context
1338 , DES_ENCRYPT // int mode
1339 , sizeof(mix) // length
1340 , iv // iv[8]
1341 , mix // input
1342 , divkey // output
1343 );
1344
1345 PrintAndLog("3DES version");
1346 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1347 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
1348 PrintAndLog("Sector :\t %0d", block);
1349 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1350 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
1351 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1352
1353 PrintAndLog("\n DES version");
1354
1355 for (int i=0; i < sizeof(mifarekeyA); ++i){
1356 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1357 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
1358 }
1359
1360 for (int i=0; i < sizeof(mifarekeyB); ++i){
1361 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
1362 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1363 }
1364
1365 uint8_t zeros[8] = {0x00};
1366 uint8_t newpwd[8] = {0x00};
1367 uint8_t dmkey[24] = {0x00};
1368 memcpy(dmkey, dkeyA, 8);
1369 memcpy(dmkey+8, dkeyB, 8);
1370 memcpy(dmkey+16, dkeyA, 8);
1371 memset(iv, 0x00, 8);
1372
1373 des3_set3key_enc(&ctx, dmkey);
1374
1375 des3_crypt_cbc(&ctx // des3_context
1376 , DES_ENCRYPT // int mode
1377 , sizeof(newpwd) // length
1378 , iv // iv[8]
1379 , zeros // input
1380 , newpwd // output
1381 );
1382
1383 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1384 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1385 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1386 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1387
1388 return 0;
1389 }
1390
1391 // static uint8_t * diversify_key(uint8_t * key){
1392
1393 // for(int i=0; i<16; i++){
1394 // if(i<=6) key[i]^=cuid[i];
1395 // if(i>6) key[i]^=cuid[i%7];
1396 // }
1397 // return key;
1398 // }
1399
1400 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1401 // for (int i=0; i<len; ++i){
1402
1403 // }
1404 // return;
1405 // }
1406
1407 static command_t CommandTable[] =
1408 {
1409 {"help", CmdHelp, 1, "This help"},
1410 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
1411 {"info", CmdHF14AMfUInfo, 0, "Tag information"},
1412 {"dump", CmdHF14AMfUDump, 0, "Dump Ultralight / Ultralight-C tag to binary file"},
1413 {"rdbl", CmdHF14AMfURdBl, 0, "Read block - Ultralight"},
1414 {"wrbl", CmdHF14AMfUWrBl, 0, "Write block - Ultralight"},
1415 {"crdbl", CmdHF14AMfUCRdBl, 0, "Read block - Ultralight C"},
1416 {"cwrbl", CmdHF14AMfUCWrBl, 0, "Write block - Ultralight C"},
1417 {"cauth", CmdHF14AMfucAuth, 0, "Authentication - Ultralight C"},
1418 {"setpwd", CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1419 {"setuid", CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1420 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1421 {NULL, NULL, 0, NULL}
1422 };
1423
1424 int CmdHFMFUltra(const char *Cmd){
1425 WaitForResponseTimeout(CMD_ACK,NULL,100);
1426 CmdsParse(CommandTable, Cmd);
1427 return 0;
1428 }
1429
1430 int CmdHelp(const char *Cmd){
1431 CmdsHelp(CommandTable);
1432 return 0;
1433 }
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