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