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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 "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 = 0x0000,
28 UL = 0x0001,
29 UL_C = 0x0002,
30 UL_EV1_48 = 0x0004,
31 UL_EV1_128 = 0x0008,
32 NTAG = 0x0010,
33 NTAG_213 = 0x0020,
34 NTAG_215 = 0x0040,
35 NTAG_216 = 0x0080,
36 MAGIC = 0x0100,
37 UL_MAGIC = UL | MAGIC,
38 UL_C_MAGIC = UL_C | MAGIC,
39 UL_ERROR = 0xFFFF,
40 } TagTypeUL_t;
41
42 uint8_t default_3des_keys[7][16] = {
43 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
44 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
45 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
46 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
47 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
48 { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
49 { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
50 };
51
52 static int CmdHelp(const char *Cmd);
53
54 char* getProductTypeStr( uint8_t id){
55
56 static char buf[20];
57 char *retStr = buf;
58
59 switch(id) {
60 case 3:
61 sprintf(retStr, "0x%02X %s", id, "(Ultralight)");
62 break;
63 case 4:
64 sprintf(retStr, "0x%02X %s", id, "(NTAG)");
65 break;
66 default:
67 sprintf(retStr, "0x%02X %s", id, "(unknown)");
68 break;
69 }
70 return buf;
71 }
72
73 /*
74 The 7 MSBits (=n) code the storage size itself based on 2^n,
75 the LSBit is set to '0' if the size is exactly 2^n
76 and set to '1' if the storage size is between 2^n and 2^(n+1).
77 */
78 char* getUlev1CardSizeStr( uint8_t fsize ){
79
80 static char buf[30];
81 char *retStr = buf;
82
83 uint8_t usize = 1 << ((fsize >>1) + 1);
84 uint8_t lsize = 1 << (fsize >>1);
85
86 // is LSB set?
87 if ( fsize & 1 )
88 sprintf(retStr, "0x%02X (%u - %u bytes)",fsize, usize, lsize);
89 else
90 sprintf(retStr, "0x%02X (%u bytes)", fsize, lsize);
91 return buf;
92 }
93
94 static void ul_switch_on_field(void) {
95 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
96 SendCommand(&c);
97 }
98
99 static void ul_switch_off_field(void) {
100 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
101 SendCommand(&c);
102 }
103
104 static int ul_send_cmd_raw( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength ) {
105 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_APPEND_CRC, cmdlen, 0}};
106 memcpy(c.d.asBytes, cmd, cmdlen);
107 SendCommand(&c);
108 UsbCommand resp;
109 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
110 if (resp.arg[0] < 1) return -1;
111
112 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
113 memcpy(response, resp.d.asBytes, resplen);
114 return resplen;
115 }
116 /*
117 static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength, bool append_crc ) {
118 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT , cmdlen, 0}};
119 if (append_crc)
120 c.arg[0] |= ISO14A_APPEND_CRC;
121
122 memcpy(c.d.asBytes, cmd, cmdlen);
123 SendCommand(&c);
124 UsbCommand resp;
125 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
126
127 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
128 if (resp.arg[0] > 0) {
129 memcpy(response, resp.d.asBytes, resplen);
130 return resplen;
131 } else return -1;
132 }
133 */
134 static int ul_select( iso14a_card_select_t *card ){
135
136 ul_switch_on_field();
137
138 UsbCommand resp;
139 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
140 if (resp.arg[0] < 1) return -1;
141
142 memcpy(card, resp.d.asBytes, sizeof(iso14a_card_select_t));
143 return resp.arg[0];
144 }
145
146 // This read command will at least return 16bytes.
147 static int ul_read( uint8_t page, uint8_t *response, uint16_t responseLength ){
148
149 uint8_t cmd[] = {ISO14443A_CMD_READBLOCK, page};
150 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
151 if ( len == -1 )
152 ul_switch_off_field();
153 return len;
154 }
155
156 static int ulc_requestAuthentication( uint8_t blockNo, uint8_t *nonce, uint16_t nonceLength ){
157
158 uint8_t cmd[] = {MIFARE_ULC_AUTH_1, blockNo};
159 int len = ul_send_cmd_raw(cmd, sizeof(cmd), nonce, nonceLength);
160 if ( len == -1 )
161 ul_switch_off_field();
162 return len;
163 }
164
165 static int ulev1_requestAuthentication( uint8_t *pwd, uint8_t *pack, uint16_t packLength ){
166
167 uint8_t cmd[] = {MIFARE_ULEV1_AUTH, pwd[0], pwd[1], pwd[2], pwd[3]};
168 int len = ul_send_cmd_raw(cmd, sizeof(cmd), pack, packLength);
169 if ( len == -1)
170 ul_switch_off_field();
171 return len;
172 }
173
174 static int ulev1_getVersion( uint8_t *response, uint16_t responseLength ){
175
176 uint8_t cmd[] = {MIFARE_ULEV1_VERSION};
177 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
178 if ( len == -1 )
179 ul_switch_off_field();
180 return len;
181 }
182
183 // static int ulev1_fastRead( uint8_t startblock, uint8_t endblock, uint8_t *response ){
184
185 // uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
186
187 // if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
188 // ul_switch_off_field();
189 // return -1;
190 // }
191 // return 0;
192 // }
193
194 static int ulev1_readCounter( uint8_t counter, uint8_t *response, uint16_t responseLength ){
195
196 uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
197 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
198 if (len == -1)
199 ul_switch_off_field();
200 return len;
201 }
202
203 static int ul_print_default( uint8_t *data){
204
205 uint8_t uid[7];
206
207 uid[0] = data[0];
208 uid[1] = data[1];
209 uid[2] = data[2];
210 uid[3] = data[4];
211 uid[4] = data[5];
212 uid[5] = data[6];
213 uid[6] = data[7];
214
215 PrintAndLog(" UID : %s ", sprint_hex(uid, 7));
216 PrintAndLog(" UID[0] : (Manufacturer Byte) = %02x, Manufacturer: %s", uid[0], getTagInfo(uid[0]) );
217
218 // BBC
219 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
220 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
221 if ( data[3] == crc0 )
222 PrintAndLog(" BCC0 : 0x%02X - Ok", data[3]);
223 else
224 PrintAndLog(" BCC0 : 0x%02X - crc should be %02x", data[3], crc0);
225
226 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
227 if ( data[8] == crc1 )
228 PrintAndLog(" BCC1 : 0x%02X - Ok", data[8]);
229 else
230 PrintAndLog(" BCC1 : 0x%02X - crc should be 0x%02X", data[8], crc1 );
231
232 PrintAndLog(" Internal : 0x%02X - %s default", data[9], (data[9]==0x48)?"":"not" );
233 PrintAndLog(" Lock : %s - %s", sprint_hex(data+10, 2),printBits( 2, data+10) );
234 PrintAndLog("OneTimePad : %s ", sprint_hex(data + 12, 4));
235 PrintAndLog("");
236 return 0;
237 }
238
239 static int ul_print_CC(uint8_t *data) {
240 if(data[0] != 0xe1) {
241 PrintAndLog("no NDEF message");
242 return -1; // no NDEF message
243 }
244
245 PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
246 PrintAndLog(" %02X: NDEF Magic Number", data[0]);
247 PrintAndLog(" %02X: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
248 PrintAndLog(" %02X: Physical Memory Size of this tag: %d bytes", data[2], (data[2] + 1) * 8);
249 PrintAndLog(" %02X: %s / %s", data[3],
250 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
251 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
252 return 0;
253 }
254
255 static int ul_print_version(uint8_t *data){
256 PrintAndLog("\n--- UL-EV1 / NTAG Version");
257 PrintAndLog("Raw version bytes: %s", sprint_hex(data, 8) );
258 PrintAndLog(" Vendor ID : 0x%02X, Manufacturer: %s", data[1], getTagInfo(data[1]));
259 PrintAndLog(" Product type : %s" , getProductTypeStr(data[2]));
260 PrintAndLog(" Product subtype : 0x%02X %s" , data[3], (data[3]==1) ?"17 pF":"50pF");
261 PrintAndLog(" Major version : 0x%02X" , data[4]);
262 PrintAndLog(" Minor version : 0x%02X" , data[5]);
263 PrintAndLog(" Size : %s", getUlev1CardSizeStr(data[6]));
264 PrintAndLog(" Protocol type : 0x%02X" , data[7]);
265 return 0;
266 }
267
268 static int ul_print_type(uint16_t tagtype){
269 if ( tagtype & UL )
270 PrintAndLog(" TYPE : MIFARE Ultralight (MF0ICU1) %s", (tagtype & MAGIC)?"<magic>":"");
271 else if ( tagtype & UL_C)
272 PrintAndLog(" TYPE : MIFARE Ultralight C (MF0ULC) %s [%x]", (tagtype & MAGIC)?"<magic>":"", tagtype );
273 else if ( tagtype & UL_EV1_48)
274 PrintAndLog(" TYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)");
275 else if ( tagtype & UL_EV1_128)
276 PrintAndLog(" TYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)");
277 else if ( tagtype & NTAG_213 )
278 PrintAndLog(" TYPE : MIFARE NTAG 213 144bytes (NT2H1311G0DU)");
279 else if ( tagtype & NTAG_215 )
280 PrintAndLog(" TYPE : MIFARE NTAG 215 504bytes (NT2H1511G0DU)");
281 else if ( tagtype & NTAG_216 )
282 PrintAndLog(" TYPE : MIFARE NTAG 216 888bytes (NT2H1611G0DU)");
283 else
284 PrintAndLog(" TYPE : Unknown %04x",tagtype);
285 return 0;
286 }
287
288 static int ulc_print_3deskey( uint8_t *data){
289 PrintAndLog(" deskey1 [44/0x2C]: %s", sprint_hex(data ,4));
290 PrintAndLog(" deskey1 [45/0x2D]: %s", sprint_hex(data+4 ,4));
291 PrintAndLog(" deskey2 [46/0x2E]: %s", sprint_hex(data+8 ,4));
292 PrintAndLog(" deskey2 [47/0x2F]: %s", sprint_hex(data+12,4));
293 PrintAndLog(" 3des key : %s", sprint_hex(SwapEndian64(data, 16), 16));
294 return 0;
295 }
296
297 static int ulc_print_configuration( uint8_t *data){
298
299 PrintAndLog("--- UL-C Configuration");
300 PrintAndLog(" Higher Lockbits [40/0x28]: %s %s", sprint_hex(data, 4), printBits(2, data));
301 PrintAndLog(" Counter [41/0x29]: %s %s", sprint_hex(data+4, 4), printBits(2, data+4));
302
303 bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
304 if ( validAuth )
305 PrintAndLog(" Auth0 [42/0x2A]: %s - Pages above %d needs authentication", sprint_hex(data+8, 4), data[8] );
306 else{
307 if ( data[8] == 0){
308 PrintAndLog(" Auth0 [42/0x2A]: %s - default", sprint_hex(data+8, 4) );
309 } else {
310 PrintAndLog(" Auth0 [42/0x2A]: %s - auth byte is out-of-range", sprint_hex(data+8, 4) );
311 }
312 }
313 PrintAndLog(" Auth1 [43/0x2B]: %s - %s",
314 sprint_hex(data+12, 4),
315 (data[12] & 1) ? "write access restricted": "read and write access restricted"
316 );
317 return 0;
318 }
319
320 static int ulev1_print_configuration( uint8_t *data){
321
322 PrintAndLog("\n--- UL-EV1 Configuration");
323
324 bool strg_mod_en = (data[0] & 2);
325 uint8_t authlim = (data[4] & 0x07);
326 bool cfglck = (data[4] & 0x40);
327 bool prot = (data[4] & 0x80);
328 uint8_t vctid = data[5];
329
330 PrintAndLog(" cfg0 [16/0x10]: %s", sprint_hex(data, 4));
331 PrintAndLog(" - pages above %d needs authentication",data[3]);
332 PrintAndLog(" - strong modulation mode %s", (strg_mod_en) ? "enabled":"disabled");
333 PrintAndLog(" cfg1 [17/0x11]: %s", sprint_hex(data+4, 4) );
334 if ( authlim == 0)
335 PrintAndLog(" - Max number of password attempts is unlimited");
336 else
337 PrintAndLog(" - Max number of password attempts is %d", authlim);
338 PrintAndLog(" - user configuration %s", cfglck ? "permanently locked":"writeable");
339 PrintAndLog(" - %s access is protected with password", prot ? "read and write":"write");
340 PrintAndLog(" 0x%02X - Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
341 PrintAndLog(" PWD [18/0x12]: %s", sprint_hex(data+8, 4));
342 PrintAndLog(" PACK [19/0x13]: %s", sprint_hex(data+12, 4));
343 return 0;
344 }
345
346 static int ulev1_print_counters(){
347 PrintAndLog("--- UL-EV1 Counters");
348 uint8_t counter[3] = {0,0,0};
349 for ( uint8_t i = 0; i<3; ++i) {
350 ulev1_readCounter(i,counter, sizeof(counter) );
351 PrintAndLog("Counter [%d] : %s", i, sprint_hex(counter,3));
352 }
353 return 0;
354 }
355
356 uint16_t GetHF14AMfU_Type(void){
357
358 TagTypeUL_t tagtype = UNKNOWN;
359 iso14a_card_select_t card;
360 uint8_t version[10] = {0x00};
361 uint8_t nonce1[11] = {0x00};
362 uint8_t nonce2[11] = {0x00};
363 int status = 0;
364 int len;
365
366 status = ul_select(&card);
367 if ( status < 1 ){
368 PrintAndLog("Error: couldn't select");
369 ul_switch_off_field();
370 return UL_ERROR;
371 }
372 // Ultralight - ATQA / SAK
373 if ( card.atqa[1] != 0x00 || card.atqa[0] != 0x44 || card.sak != 0x00 ) {
374 PrintAndLog ("Tag is not UL or NTAG, ATQA1: %x, ATQA0: %x, SAK: %d", card.atqa[1],card.atqa[0],card.sak);
375 ul_switch_off_field();
376 return UL_ERROR;
377 }
378
379 len = ulev1_getVersion(version, sizeof(version));
380 ul_switch_off_field();
381
382 switch (len) {
383 case -1:
384 tagtype = (UL | UL_C);
385 break;
386 case 0x0A: {
387
388 if ( version[2] == 0x03 && version[6] == 0x0B )
389 tagtype = UL_EV1_48;
390 else if ( version[2] == 0x03 && version[6] != 0x0B )
391 tagtype = UL_EV1_128;
392 else if ( version[2] == 0x04 && version[6] == 0x0F )
393 tagtype = NTAG_213;
394 else if ( version[2] == 0x04 && version[6] != 0x11 )
395 tagtype = NTAG_215;
396 else if ( version[2] == 0x04 && version[6] == 0x13 )
397 tagtype = NTAG_216;
398 else if ( version[2] == 0x04 )
399 tagtype = NTAG;
400
401 break;
402 }
403 case 0x01:{
404 tagtype = UL_C;
405 break;
406 }
407 case 0x00: {
408 tagtype = UL;
409 break;
410 }
411 default :{
412 tagtype = UNKNOWN;
413 break;
414 }
415 }
416
417 if ((tagtype & ( UL_C | UL ))) {
418 // Magic UL-C, by observation,
419 // it seems to have a static nonce response to 0x1A command.
420 status = ul_select(&card);
421 if ( status < 1 ){
422 PrintAndLog("Error: couldn't select B");
423 ul_switch_off_field();
424 return UL_ERROR;
425 }
426 status = ulc_requestAuthentication(0, nonce1, sizeof(nonce1));
427 if ( status > 0 ) {
428 status = ulc_requestAuthentication(0, nonce2, sizeof(nonce2));
429 tagtype =( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
430 } else {
431 tagtype = UL;
432 }
433 ul_switch_off_field();
434 }
435
436 //PrintAndLog("ICE %d", tagtype);
437 //Magic Ultralight test here. It takes present UID, and tries to write it back.
438 if ( (tagtype & UL) ){
439 // read 3des key or PWD,
440 // if response bytes == all zeros its a NORMAL tag.
441 //return UL_MAGIC;
442 }
443
444 return tagtype;
445 }
446
447 int CmdHF14AMfUInfo(const char *Cmd){
448
449
450 uint8_t data[16] = {0x00};
451 iso14a_card_select_t card;
452 uint8_t *key;
453 int status;
454
455
456 TagTypeUL_t tagtype = GetHF14AMfU_Type();
457 if (tagtype == UL_ERROR) return -1;
458
459 PrintAndLog("\n--- Tag Information ---------");
460 PrintAndLog("-------------------------------------------------------------");
461 ul_print_type(tagtype);
462
463 status = ul_select(&card);
464 if ( status < 1 ){
465 PrintAndLog("Error: couldn't select");
466 ul_switch_off_field();
467 return status;
468 }
469
470 // read pages 0,1,2,4 (should read 4pages)
471 status = ul_read(0, data, sizeof(data));
472 if ( status == -1 ){
473 PrintAndLog("Error: tag didn't answer to READ A");
474 ul_switch_off_field();
475 return status;
476 }
477
478 ul_print_default(data);
479
480 if ((tagtype & UL_C)){
481
482 // read pages 0x28, 0x29, 0x2A, 0x2B
483 uint8_t ulc_conf[16] = {0x00};
484 status = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
485 if ( status == -1 ){
486 PrintAndLog("Error: tag didn't answer to READ - possibly locked");
487 ul_switch_off_field();
488 return status;
489 }
490
491 ulc_print_configuration(ulc_conf);
492
493 if ((tagtype & MAGIC)){
494
495 uint8_t ulc_deskey[16] = {0x00};
496 status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
497 if ( status == -1 ){
498 PrintAndLog("Error: tag didn't answer to READ B");
499 ul_switch_off_field();
500 return status;
501 }
502
503 ulc_print_3deskey(ulc_deskey);
504
505 }
506 else {
507 PrintAndLog("Trying some default 3des keys");
508 ul_switch_off_field();
509 for (uint8_t i = 0; i < 7; ++i ){
510 key = default_3des_keys[i];
511 if (try3DesAuthentication(key) == 1){
512 PrintAndLog("Found default 3des key: %s", sprint_hex(key,16));
513 return 0;
514 }
515 }
516 }
517 }
518
519 if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
520
521 ulev1_print_counters();
522
523 uint8_t startconfigblock = (tagtype & UL_EV1_48) ? 0x10 : 0x24;
524 uint8_t ulev1_conf[16] = {0x00};
525 status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
526 if ( status == -1 ){
527 PrintAndLog("Error: tag didn't answer to READ C");
528 ul_switch_off_field();
529 return status;
530 }
531
532 ulev1_print_configuration(ulev1_conf);
533 }
534
535 if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216))) {
536
537 uint8_t version[10] = {0x00};
538 status = ulev1_getVersion(version, sizeof(version));
539 if ( status == -1 ){
540 PrintAndLog("Error: tag didn't answer to GETVERSION");
541 ul_switch_off_field();
542 return status;
543 }
544 ul_print_version(version);
545
546 //********** TODO ********************************
547 // --problem, there is a failed pwd tries counter in UL-EV1
548 PrintAndLog("\nTrying some known EV1/NTAG passwords.");
549
550 uint8_t password[4] ={0xff,0xff,0xff,0xff};
551 uint8_t pack[4] = {0,0,0,0};
552 status = ulev1_requestAuthentication(password, pack, sizeof(pack));
553 if ( status == -1 ){
554 PrintAndLog("Error: tag didn't answer to AUTHENTICATE");
555 ul_switch_off_field();
556 return status;
557 }
558 PrintAndLog("Found default password: %s",sprint_hex(password, sizeof(password)));
559 PrintAndLog("Got PACK : %s", sprint_hex(pack,sizeof(pack)));
560 }
561
562 if ((tagtype & (NTAG_213 | NTAG_215 | NTAG_216))){
563
564 PrintAndLog("\n--- NTAG NDEF Message");
565 uint8_t cc[16] = {0x00};
566 status = ul_read(2, cc, sizeof(cc));
567 if ( status == -1 ){
568 PrintAndLog("Error: tag didn't answer to READ D");
569 ul_switch_off_field();
570 return status;
571 }
572 ul_print_CC(cc);
573 }
574
575 ul_switch_off_field();
576 return 0;
577 }
578
579 //
580 // Mifare Ultralight Write Single Block
581 //
582 int CmdHF14AMfUWrBl(const char *Cmd){
583 uint8_t blockNo = -1;
584 bool chinese_card = FALSE;
585 uint8_t bldata[16] = {0x00};
586 UsbCommand resp;
587
588 char cmdp = param_getchar(Cmd, 0);
589 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
590 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
591 PrintAndLog(" [block number]");
592 PrintAndLog(" [block data] - (8 hex symbols)");
593 PrintAndLog(" [w] - Chinese magic ultralight tag");
594 PrintAndLog("");
595 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
596 PrintAndLog("");
597 return 0;
598 }
599
600 blockNo = param_get8(Cmd, 0);
601
602 if (blockNo > MAX_UL_BLOCKS){
603 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
604 return 1;
605 }
606
607 if (param_gethex(Cmd, 1, bldata, 8)) {
608 PrintAndLog("Block data must include 8 HEX symbols");
609 return 1;
610 }
611
612 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
613 chinese_card = TRUE;
614 }
615
616 if ( blockNo <= 3) {
617 if (!chinese_card){
618 PrintAndLog("Access Denied");
619 } else {
620 PrintAndLog("--specialblock no:%02x", blockNo);
621 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
622 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
623 memcpy(d.d.asBytes,bldata, 4);
624 SendCommand(&d);
625 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
626 uint8_t isOK = resp.arg[0] & 0xff;
627 PrintAndLog("isOk:%02x", isOK);
628 } else {
629 PrintAndLog("Command execute timeout");
630 }
631 }
632 } else {
633 PrintAndLog("--block no:%02x", blockNo);
634 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
635 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
636 memcpy(e.d.asBytes,bldata, 4);
637 SendCommand(&e);
638 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
639 uint8_t isOK = resp.arg[0] & 0xff;
640 PrintAndLog("isOk:%02x", isOK);
641 } else {
642 PrintAndLog("Command execute timeout");
643 }
644 }
645 return 0;
646 }
647
648 //
649 // Mifare Ultralight Read Single Block
650 //
651 int CmdHF14AMfURdBl(const char *Cmd){
652
653 UsbCommand resp;
654 uint8_t blockNo = -1;
655 char cmdp = param_getchar(Cmd, 0);
656
657 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
658 PrintAndLog("Usage: hf mfu rdbl <block number>");
659 PrintAndLog(" sample: hfu mfu rdbl 0");
660 return 0;
661 }
662
663 blockNo = param_get8(Cmd, 0);
664
665 if (blockNo > MAX_UL_BLOCKS){
666 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
667 return 1;
668 }
669
670 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
671 SendCommand(&c);
672
673
674 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
675 uint8_t isOK = resp.arg[0] & 0xff;
676 if (isOK) {
677 uint8_t *data = resp.d.asBytes;
678 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
679 }
680 else {
681 PrintAndLog("Failed reading block: (%02x)", isOK);
682 }
683 } else {
684 PrintAndLog("Command execute time-out");
685 }
686
687 return 0;
688 }
689
690 int usage_hf_mfu_dump(void)
691 {
692 PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
693 PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
694 PrintAndLog("It autodetects card type.\n");
695 PrintAndLog("Usage: hf mfu dump k <key> n <filename w/o .bin>");
696 PrintAndLog(" Options : ");
697 PrintAndLog(" k <key> : Enter key for authentication");
698 PrintAndLog(" n <FN > : Enter filename w/o .bin to save the dump as");
699 PrintAndLog(" s : Swap entered key's endianness for auth");
700 PrintAndLog("");
701 PrintAndLog(" sample : hf mfu dump");
702 PrintAndLog(" : hf mfu dump n myfile");
703 return 0;
704 }
705 //
706 // Mifare Ultralight / Ultralight-C / Ultralight-EV1
707 // Read and Dump Card Contents, using auto detection of tag size.
708 //
709 // TODO: take a password to read UL-C / UL-EV1 tags.
710 int CmdHF14AMfUDump(const char *Cmd){
711
712 FILE *fout;
713 char filename[FILE_PATH_SIZE] = {0x00};
714 char *fnameptr = filename;
715 char *str = "Dumping Ultralight%s%s Card Data...";
716 uint8_t *lockbytes_t = NULL;
717 uint8_t lockbytes[2] = {0x00};
718 uint8_t *lockbytes_t2 = NULL;
719 uint8_t lockbytes2[2] = {0x00};
720 bool bit[16] = {0x00};
721 bool bit2[16] = {0x00};
722 uint8_t data[1024] = {0x00};
723 bool hasPwd = false;
724 int i = 0;
725 int Pages = 16;
726 bool tmplockbit = false;
727 uint8_t dataLen=0;
728 uint8_t cmdp =0;
729 uint8_t key[16] = {0x00};
730 uint8_t *keyPtr = key;
731 size_t fileNlen = 0;
732 bool errors = false;
733 bool swapEndian = false;
734
735 while(param_getchar(Cmd, cmdp) != 0x00)
736 {
737 switch(param_getchar(Cmd, cmdp))
738 {
739 case 'h':
740 case 'H':
741 return usage_hf_mfu_dump();
742 case 'k':
743 case 'K':
744 dataLen = param_gethex(Cmd, cmdp+1, data, 32);
745 if (dataLen) {
746 errors = true;
747 } else {
748 memcpy(key, data, 16);
749 }
750 cmdp += 2;
751 hasPwd = true;
752 break;
753 case 'n':
754 case 'N':
755 fileNlen = param_getstr(Cmd, cmdp+1, filename);
756 if (!fileNlen) errors = true;
757 if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
758 cmdp += 2;
759 break;
760 case 's':
761 swapEndian = true;
762 cmdp++;
763 default:
764 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
765 errors = true;
766 break;
767 }
768 if(errors) break;
769 }
770
771 //Validations
772 if(errors) return usage_hf_mfu_dump();
773
774 if (swapEndian)
775 keyPtr = SwapEndian64(data, 16);
776
777 TagTypeUL_t tagtype = GetHF14AMfU_Type();
778 if (tagtype == UL_ERROR) return -1;
779
780 if ( tagtype & UL ) {
781 Pages = 16;
782 PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" );
783 }
784 else if ( tagtype & UL_C ) {
785 Pages = 44;
786 PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" );
787 }
788 else if ( tagtype & UL_EV1_48 ) {
789 Pages = 18;
790 PrintAndLog(str," EV1_48","");
791 }
792 else if ( tagtype & UL_EV1_128 ) {
793 Pages = 32;
794 PrintAndLog(str," EV1_128","");
795 } else {
796 Pages = 16;
797 PrintAndLog("Dumping unknown Ultralight, using default values.");
798 }
799
800 UsbCommand c = {CMD_MIFAREUC_READCARD, {0,Pages}};
801 if ( hasPwd ) {
802 c.arg[2] = 1;
803 memcpy(c.d.asBytes, key, 16);
804 }
805 SendCommand(&c);
806 UsbCommand resp;
807 if (!WaitForResponseTimeout(CMD_ACK, &resp,1500)) {
808 PrintAndLog("Command execute time-out");
809 return 1;
810 }
811 PrintAndLog ("%u,%u",resp.arg[0],resp.arg[1]);
812 uint8_t isOK = resp.arg[0] & 0xff;
813 if (isOK) {
814 memcpy(data, resp.d.asBytes, resp.arg[1]);
815 } else {
816 PrintAndLog("Failed reading block: (%02x)", i);
817 return 1;
818 }
819
820 // Load lock bytes.
821 int j = 0;
822
823 lockbytes_t = data + 8;
824 lockbytes[0] = lockbytes_t[2];
825 lockbytes[1] = lockbytes_t[3];
826 for(j = 0; j < 16; j++){
827 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
828 }
829
830 // Load bottom lockbytes if available
831 if ( Pages == 44 ) {
832 lockbytes_t2 = data + (40*4);
833 lockbytes2[0] = lockbytes_t2[2];
834 lockbytes2[1] = lockbytes_t2[3];
835 for (j = 0; j < 16; j++) {
836 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
837 }
838 }
839
840 // add keys
841 if (hasPwd){
842 memcpy(data + Pages*4, key, 16);
843 Pages += 4;
844 }
845 for (i = 0; i < Pages; ++i) {
846 if ( i < 3 ) {
847 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
848 continue;
849 }
850 switch(i){
851 case 3: tmplockbit = bit[4]; break;
852 case 4: tmplockbit = bit[3]; break;
853 case 5: tmplockbit = bit[2]; break;
854 case 6: tmplockbit = bit[1]; break;
855 case 7: tmplockbit = bit[0]; break;
856 case 8: tmplockbit = bit[15]; break;
857 case 9: tmplockbit = bit[14]; break;
858 case 10: tmplockbit = bit[13]; break;
859 case 11: tmplockbit = bit[12]; break;
860 case 12: tmplockbit = bit[11]; break;
861 case 13: tmplockbit = bit[10]; break;
862 case 14: tmplockbit = bit[9]; break;
863 case 15: tmplockbit = bit[8]; break;
864 case 16:
865 case 17:
866 case 18:
867 case 19: tmplockbit = bit2[6]; break;
868 case 20:
869 case 21:
870 case 22:
871 case 23: tmplockbit = bit2[5]; break;
872 case 24:
873 case 25:
874 case 26:
875 case 27: tmplockbit = bit2[4]; break;
876 case 28:
877 case 29:
878 case 30:
879 case 31: tmplockbit = bit2[2]; break;
880 case 32:
881 case 33:
882 case 34:
883 case 35: tmplockbit = bit2[1]; break;
884 case 36:
885 case 37:
886 case 38:
887 case 39: tmplockbit = bit2[0]; break;
888 case 40: tmplockbit = bit2[12]; break;
889 case 41: tmplockbit = bit2[11]; break;
890 case 42: tmplockbit = bit2[10]; break; //auth0
891 case 43: tmplockbit = bit2[9]; break; //auth1
892 default: break;
893 }
894 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
895 }
896
897 // user supplied filename?
898 if (fileNlen < 1) {
899 // UID = data 0-1-2 4-5-6-7 (skips a beat)
900 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
901 data[0],data[1], data[2], data[4],data[5],data[6], data[7]);
902 } else {
903 sprintf(fnameptr + fileNlen," .bin");
904 }
905
906 if ((fout = fopen(filename,"wb")) == NULL) {
907 PrintAndLog("Could not create file name %s", filename);
908 return 1;
909 }
910 fwrite( data, 1, Pages*4, fout );
911 fclose(fout);
912
913 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
914 return 0;
915 }
916
917 // Needed to Authenticate to Ultralight C tags
918 void rol (uint8_t *data, const size_t len){
919 uint8_t first = data[0];
920 for (size_t i = 0; i < len-1; i++) {
921 data[i] = data[i+1];
922 }
923 data[len-1] = first;
924 }
925
926 //-------------------------------------------------------------------------------
927 // Ultralight C Methods
928 //-------------------------------------------------------------------------------
929
930 //
931 // Ultralight C Authentication Demo {currently uses hard-coded key}
932 //
933 int CmdHF14AMfucAuth(const char *Cmd){
934
935 uint8_t keyNo = 0;
936 bool errors = false;
937
938 char cmdp = param_getchar(Cmd, 0);
939
940 //Change key to user defined one
941 if (cmdp == 'k' || cmdp == 'K'){
942 keyNo = param_get8(Cmd, 1);
943 if(keyNo > 6)
944 errors = true;
945 }
946
947 if (cmdp == 'h' || cmdp == 'H')
948 errors = true;
949
950 if (errors) {
951 PrintAndLog("Usage: hf mfu cauth k <key number>");
952 PrintAndLog(" 0 (default): 3DES standard key");
953 PrintAndLog(" 1 : all 0x00 key");
954 PrintAndLog(" 2 : 0x00-0x0F key");
955 PrintAndLog(" 3 : nfc key");
956 PrintAndLog(" 4 : all 0x01 key");
957 PrintAndLog(" 5 : all 0xff key");
958 PrintAndLog(" 6 : 0x00-0xFF key");
959 PrintAndLog("\n sample : hf mfu cauth k");
960 PrintAndLog(" : hf mfu cauth k 3");
961 return 0;
962 }
963
964 uint8_t *key = default_3des_keys[keyNo];
965 if (try3DesAuthentication(key)>0)
966 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
967 else
968 PrintAndLog("Authentication failed");
969
970 return 0;
971 }
972
973 int try3DesAuthentication( uint8_t *key){
974
975 uint8_t blockNo = 0;
976 uint32_t cuid = 0;
977
978 des3_context ctx = { 0 };
979
980 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
981 uint8_t random_b[8] = { 0 };
982 uint8_t enc_random_b[8] = { 0 };
983 uint8_t rnd_ab[16] = { 0 };
984 uint8_t iv[8] = { 0 };
985
986 UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
987 SendCommand(&c);
988 UsbCommand resp;
989 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
990 if ( !(resp.arg[0] & 0xff) ) return -2;
991
992 cuid = resp.arg[1];
993 memcpy(enc_random_b,resp.d.asBytes+1,8);
994
995 des3_set2key_dec(&ctx, key);
996 // context, mode, length, IV, input, output
997 des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
998
999 rol(random_b,8);
1000 memcpy(rnd_ab ,random_a,8);
1001 memcpy(rnd_ab+8,random_b,8);
1002
1003 des3_set2key_enc(&ctx, key);
1004 // context, mode, length, IV, input, output
1005 des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
1006
1007 //Auth2
1008 c.cmd = CMD_MIFAREUC_AUTH2;
1009 c.arg[0] = cuid;
1010 memcpy(c.d.asBytes, rnd_ab, 16);
1011 SendCommand(&c);
1012
1013 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
1014 if ( !(resp.arg[0] & 0xff)) return -2;
1015
1016 uint8_t enc_resp[8] = { 0 };
1017 uint8_t resp_random_a[8] = { 0 };
1018 memcpy(enc_resp, resp.d.asBytes+1, 8);
1019
1020 des3_set2key_dec(&ctx, key);
1021 // context, mode, length, IV, input, output
1022 des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
1023
1024 if ( !memcmp(resp_random_a, random_a, 8))
1025 return 1;
1026 return 0;
1027
1028 //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8));
1029 //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8));
1030 //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8));
1031 //PrintAndLog(" A+B :%s", sprint_hex(random_a_and_b, 16));
1032 //PrintAndLog(" enc(A+B) :%s", sprint_hex(random_a_and_b, 16));
1033 //PrintAndLog(" enc(RndA') :%s", sprint_hex(data2+1, 8));
1034 }
1035
1036 /**
1037 A test function to validate that the polarssl-function works the same
1038 was as the openssl-implementation.
1039 Commented out, since it requires openssl
1040
1041 int CmdTestDES(const char * cmd)
1042 {
1043 uint8_t key[16] = {0x00};
1044
1045 memcpy(key,key3_3des_data,16);
1046 DES_cblock RndA, RndB;
1047
1048 PrintAndLog("----------OpenSSL DES implementation----------");
1049 {
1050 uint8_t e_RndB[8] = {0x00};
1051 unsigned char RndARndB[16] = {0x00};
1052
1053 DES_cblock iv = { 0 };
1054 DES_key_schedule ks1,ks2;
1055 DES_cblock key1,key2;
1056
1057 memcpy(key,key3_3des_data,16);
1058 memcpy(key1,key,8);
1059 memcpy(key2,key+8,8);
1060
1061
1062 DES_set_key((DES_cblock *)key1,&ks1);
1063 DES_set_key((DES_cblock *)key2,&ks2);
1064
1065 DES_random_key(&RndA);
1066 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
1067 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
1068 //void DES_ede2_cbc_encrypt(const unsigned char *input,
1069 // unsigned char *output, long length, DES_key_schedule *ks1,
1070 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
1071 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
1072
1073 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
1074 rol(RndB,8);
1075 memcpy(RndARndB,RndA,8);
1076 memcpy(RndARndB+8,RndB,8);
1077 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
1078 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
1079 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
1080
1081 }
1082 PrintAndLog("----------PolarSSL implementation----------");
1083 {
1084 uint8_t random_a[8] = { 0 };
1085 uint8_t enc_random_a[8] = { 0 };
1086 uint8_t random_b[8] = { 0 };
1087 uint8_t enc_random_b[8] = { 0 };
1088 uint8_t random_a_and_b[16] = { 0 };
1089 des3_context ctx = { 0 };
1090
1091 memcpy(random_a, RndA,8);
1092
1093 uint8_t output[8] = { 0 };
1094 uint8_t iv[8] = { 0 };
1095
1096 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
1097 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
1098
1099 des3_set2key_dec(&ctx, key);
1100
1101 des3_crypt_cbc(&ctx // des3_context *ctx
1102 , DES_DECRYPT // int mode
1103 , sizeof(random_b) // size_t length
1104 , iv // unsigned char iv[8]
1105 , enc_random_b // const unsigned char *input
1106 , random_b // unsigned char *output
1107 );
1108
1109 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
1110
1111 rol(random_b,8);
1112 memcpy(random_a_and_b ,random_a,8);
1113 memcpy(random_a_and_b+8,random_b,8);
1114
1115 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
1116
1117 des3_set2key_enc(&ctx, key);
1118
1119 des3_crypt_cbc(&ctx // des3_context *ctx
1120 , DES_ENCRYPT // int mode
1121 , sizeof(random_a_and_b) // size_t length
1122 , enc_random_b // unsigned char iv[8]
1123 , random_a_and_b // const unsigned char *input
1124 , random_a_and_b // unsigned char *output
1125 );
1126
1127 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
1128 }
1129 return 0;
1130 }
1131 **/
1132
1133 //
1134 // Ultralight C Read Single Block
1135 //
1136 int CmdHF14AMfUCRdBl(const char *Cmd)
1137 {
1138 UsbCommand resp;
1139 bool hasPwd = FALSE;
1140 uint8_t blockNo = -1;
1141 uint8_t key[16];
1142 char cmdp = param_getchar(Cmd, 0);
1143
1144 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
1145 PrintAndLog("Usage: hf mfu crdbl <block number> <key>");
1146 PrintAndLog("");
1147 PrintAndLog("sample: hf mfu crdbl 0");
1148 PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
1149 return 0;
1150 }
1151
1152 blockNo = param_get8(Cmd, 0);
1153 if (blockNo < 0) {
1154 PrintAndLog("Wrong block number");
1155 return 1;
1156 }
1157
1158 if (blockNo > MAX_ULC_BLOCKS ){
1159 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
1160 return 1;
1161 }
1162
1163 // key
1164 if ( strlen(Cmd) > 3){
1165 if (param_gethex(Cmd, 1, key, 32)) {
1166 PrintAndLog("Key must include %d HEX symbols", 32);
1167 return 1;
1168 } else {
1169 hasPwd = TRUE;
1170 }
1171 }
1172 //uint8_t *key2 = SwapEndian64(key, 16);
1173
1174 //Read Block
1175 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
1176 if ( hasPwd ) {
1177 c.arg[1] = 1;
1178 memcpy(c.d.asBytes,key,16);
1179 }
1180 SendCommand(&c);
1181
1182 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1183 uint8_t isOK = resp.arg[0] & 0xff;
1184 if (isOK) {
1185 uint8_t *data = resp.d.asBytes;
1186 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
1187 }
1188 else {
1189 PrintAndLog("Failed reading block: (%02x)", isOK);
1190 }
1191 } else {
1192 PrintAndLog("Command execute time-out");
1193 }
1194 return 0;
1195 }
1196
1197 //
1198 // Mifare Ultralight C Write Single Block
1199 //
1200 int CmdHF14AMfUCWrBl(const char *Cmd){
1201
1202 uint8_t blockNo = -1;
1203 bool chinese_card = FALSE;
1204 uint8_t bldata[16] = {0x00};
1205 UsbCommand resp;
1206
1207 char cmdp = param_getchar(Cmd, 0);
1208
1209 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
1210 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
1211 PrintAndLog(" [block number]");
1212 PrintAndLog(" [block data] - (8 hex symbols)");
1213 PrintAndLog(" [w] - Chinese magic ultralight tag");
1214 PrintAndLog("");
1215 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
1216 PrintAndLog("");
1217 return 0;
1218 }
1219
1220 blockNo = param_get8(Cmd, 0);
1221 if (blockNo > MAX_ULC_BLOCKS ){
1222 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
1223 return 1;
1224 }
1225
1226 if (param_gethex(Cmd, 1, bldata, 8)) {
1227 PrintAndLog("Block data must include 8 HEX symbols");
1228 return 1;
1229 }
1230
1231 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
1232 chinese_card = TRUE;
1233 }
1234
1235 if ( blockNo <= 3 ) {
1236 if (!chinese_card){
1237 PrintAndLog("Access Denied");
1238 return 1;
1239 } else {
1240 PrintAndLog("--Special block no: 0x%02x", blockNo);
1241 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1242 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
1243 memcpy(d.d.asBytes,bldata, 4);
1244 SendCommand(&d);
1245 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1246 uint8_t isOK = resp.arg[0] & 0xff;
1247 PrintAndLog("isOk:%02x", isOK);
1248 } else {
1249 PrintAndLog("Command execute timeout");
1250 return 1;
1251 }
1252 }
1253 } else {
1254 PrintAndLog("--Block no : 0x%02x", blockNo);
1255 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1256 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
1257 memcpy(e.d.asBytes,bldata, 4);
1258 SendCommand(&e);
1259 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1260 uint8_t isOK = resp.arg[0] & 0xff;
1261 PrintAndLog("isOk : %02x", isOK);
1262 } else {
1263 PrintAndLog("Command execute timeout");
1264 return 1;
1265 }
1266 }
1267 return 0;
1268 }
1269
1270 //
1271 // Mifare Ultralight C - Set password
1272 //
1273 int CmdHF14AMfucSetPwd(const char *Cmd){
1274
1275 uint8_t pwd[16] = {0x00};
1276
1277 char cmdp = param_getchar(Cmd, 0);
1278
1279 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1280 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
1281 PrintAndLog(" [password] - (32 hex symbols)");
1282 PrintAndLog("");
1283 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
1284 PrintAndLog("");
1285 return 0;
1286 }
1287
1288 if (param_gethex(Cmd, 0, pwd, 32)) {
1289 PrintAndLog("Password must include 32 HEX symbols");
1290 return 1;
1291 }
1292
1293 UsbCommand c = {CMD_MIFAREUC_SETPWD};
1294 memcpy( c.d.asBytes, pwd, 16);
1295 SendCommand(&c);
1296
1297 UsbCommand resp;
1298
1299 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1300 if ( (resp.arg[0] & 0xff) == 1)
1301 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
1302 else{
1303 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
1304 return 1;
1305 }
1306 }
1307 else {
1308 PrintAndLog("command execution time out");
1309 return 1;
1310 }
1311
1312 return 0;
1313 }
1314
1315 //
1316 // Magic UL / UL-C tags - Set UID
1317 //
1318 int CmdHF14AMfucSetUid(const char *Cmd){
1319
1320 UsbCommand c;
1321 UsbCommand resp;
1322 uint8_t uid[7] = {0x00};
1323 char cmdp = param_getchar(Cmd, 0);
1324
1325 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1326 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
1327 PrintAndLog(" [uid] - (14 hex symbols)");
1328 PrintAndLog("\nThis only works for Magic Ultralight tags.");
1329 PrintAndLog("");
1330 PrintAndLog("sample: hf mfu setuid 11223344556677");
1331 PrintAndLog("");
1332 return 0;
1333 }
1334
1335 if (param_gethex(Cmd, 0, uid, 14)) {
1336 PrintAndLog("UID must include 14 HEX symbols");
1337 return 1;
1338 }
1339
1340 // read block2.
1341 c.cmd = CMD_MIFAREU_READBL;
1342 c.arg[0] = 2;
1343 SendCommand(&c);
1344 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1345 PrintAndLog("Command execute timeout");
1346 return 2;
1347 }
1348
1349 // save old block2.
1350 uint8_t oldblock2[4] = {0x00};
1351 memcpy(resp.d.asBytes, oldblock2, 4);
1352
1353 // block 0.
1354 c.cmd = CMD_MIFAREU_WRITEBL;
1355 c.arg[0] = 0;
1356 c.d.asBytes[0] = uid[0];
1357 c.d.asBytes[1] = uid[1];
1358 c.d.asBytes[2] = uid[2];
1359 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
1360 SendCommand(&c);
1361 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1362 PrintAndLog("Command execute timeout");
1363 return 3;
1364 }
1365
1366 // block 1.
1367 c.arg[0] = 1;
1368 c.d.asBytes[0] = uid[3];
1369 c.d.asBytes[1] = uid[4];
1370 c.d.asBytes[2] = uid[5];
1371 c.d.asBytes[3] = uid[6];
1372 SendCommand(&c);
1373 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1374 PrintAndLog("Command execute timeout");
1375 return 4;
1376 }
1377
1378 // block 2.
1379 c.arg[0] = 2;
1380 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
1381 c.d.asBytes[1] = oldblock2[1];
1382 c.d.asBytes[2] = oldblock2[2];
1383 c.d.asBytes[3] = oldblock2[3];
1384 SendCommand(&c);
1385 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1386 PrintAndLog("Command execute timeout");
1387 return 5;
1388 }
1389
1390 return 0;
1391 }
1392
1393 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
1394
1395 uint8_t iv[8] = { 0x00 };
1396 uint8_t block = 0x07;
1397
1398 // UL-EV1
1399 //04 57 b6 e2 05 3f 80 UID
1400 //4a f8 4b 19 PWD
1401 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
1402 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
1403 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
1404 uint8_t dkeyA[8] = { 0x00 };
1405 uint8_t dkeyB[8] = { 0x00 };
1406
1407 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
1408
1409 uint8_t mix[8] = { 0x00 };
1410 uint8_t divkey[8] = { 0x00 };
1411
1412 memcpy(mix, mifarekeyA, 4);
1413
1414 mix[4] = mifarekeyA[4] ^ uid[0];
1415 mix[5] = mifarekeyA[5] ^ uid[1];
1416 mix[6] = block ^ uid[2];
1417 mix[7] = uid[3];
1418
1419 des3_context ctx = { 0x00 };
1420 des3_set2key_enc(&ctx, masterkey);
1421
1422 des3_crypt_cbc(&ctx // des3_context
1423 , DES_ENCRYPT // int mode
1424 , sizeof(mix) // length
1425 , iv // iv[8]
1426 , mix // input
1427 , divkey // output
1428 );
1429
1430 PrintAndLog("3DES version");
1431 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1432 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
1433 PrintAndLog("Sector :\t %0d", block);
1434 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1435 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
1436 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1437
1438 PrintAndLog("\n DES version");
1439
1440 for (int i=0; i < sizeof(mifarekeyA); ++i){
1441 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1442 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
1443 }
1444
1445 for (int i=0; i < sizeof(mifarekeyB); ++i){
1446 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
1447 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1448 }
1449
1450 uint8_t zeros[8] = {0x00};
1451 uint8_t newpwd[8] = {0x00};
1452 uint8_t dmkey[24] = {0x00};
1453 memcpy(dmkey, dkeyA, 8);
1454 memcpy(dmkey+8, dkeyB, 8);
1455 memcpy(dmkey+16, dkeyA, 8);
1456 memset(iv, 0x00, 8);
1457
1458 des3_set3key_enc(&ctx, dmkey);
1459
1460 des3_crypt_cbc(&ctx // des3_context
1461 , DES_ENCRYPT // int mode
1462 , sizeof(newpwd) // length
1463 , iv // iv[8]
1464 , zeros // input
1465 , newpwd // output
1466 );
1467
1468 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1469 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1470 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1471 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1472
1473 return 0;
1474 }
1475
1476 // static uint8_t * diversify_key(uint8_t * key){
1477
1478 // for(int i=0; i<16; i++){
1479 // if(i<=6) key[i]^=cuid[i];
1480 // if(i>6) key[i]^=cuid[i%7];
1481 // }
1482 // return key;
1483 // }
1484
1485 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1486 // for (int i=0; i<len; ++i){
1487
1488 // }
1489 // return;
1490 // }
1491
1492 //------------------------------------
1493 // Menu Stuff
1494 //------------------------------------
1495 static command_t CommandTable[] =
1496 {
1497 {"help", CmdHelp, 1, "This help"},
1498 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
1499 {"info", CmdHF14AMfUInfo, 0, "Tag information"},
1500 {"dump", CmdHF14AMfUDump, 0, "Dump Ultralight / Ultralight-C tag to binary file"},
1501 {"rdbl", CmdHF14AMfURdBl, 0, "Read block - Ultralight"},
1502 {"wrbl", CmdHF14AMfUWrBl, 0, "Write block - Ultralight"},
1503 {"crdbl", CmdHF14AMfUCRdBl, 0, "Read block - Ultralight C"},
1504 {"cwrbl", CmdHF14AMfUCWrBl, 0, "Write block - Ultralight C"},
1505 {"cauth", CmdHF14AMfucAuth, 0, "Authentication - Ultralight C"},
1506 {"setpwd", CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1507 {"setuid", CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1508 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1509 {NULL, NULL, 0, NULL}
1510 };
1511
1512 int CmdHFMFUltra(const char *Cmd){
1513 WaitForResponseTimeout(CMD_ACK,NULL,100);
1514 CmdsParse(CommandTable, Cmd);
1515 return 0;
1516 }
1517
1518 int CmdHelp(const char *Cmd){
1519 CmdsHelp(CommandTable);
1520 return 0;
1521 }
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