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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 = 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 uint8_t default_pwd_pack[2][4] = {
53 {0xFF,0xFF,0xFF,0xFF}, // PACK 0x00,0x00 -- factory default
54 {0x4A,0xF8,0x4B,0x19} // PACK 0xE5 0xBE -- italian bus (sniffed.)
55 };
56
57 static int CmdHelp(const char *Cmd);
58
59 char* getProductTypeStr( uint8_t id){
60
61 static char buf[20];
62 char *retStr = buf;
63
64 switch(id) {
65 case 3:
66 sprintf(retStr, "0x%02X %s", id, "(Ultralight)");
67 break;
68 case 4:
69 sprintf(retStr, "0x%02X %s", id, "(NTAG)");
70 break;
71 default:
72 sprintf(retStr, "0x%02X %s", id, "(unknown)");
73 break;
74 }
75 return buf;
76 }
77
78 /*
79 The 7 MSBits (=n) code the storage size itself based on 2^n,
80 the LSBit is set to '0' if the size is exactly 2^n
81 and set to '1' if the storage size is between 2^n and 2^(n+1).
82 */
83 char* getUlev1CardSizeStr( uint8_t fsize ){
84
85 static char buf[30];
86 char *retStr = buf;
87
88 uint8_t usize = 1 << ((fsize >>1) + 1);
89 uint8_t lsize = 1 << (fsize >>1);
90
91 // is LSB set?
92 if ( fsize & 1 )
93 sprintf(retStr, "0x%02X (%u - %u bytes)",fsize, usize, lsize);
94 else
95 sprintf(retStr, "0x%02X (%u bytes)", fsize, lsize);
96 return buf;
97 }
98
99 static void ul_switch_on_field(void) {
100 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
101 SendCommand(&c);
102 }
103
104 static void ul_switch_off_field(void) {
105 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
106 SendCommand(&c);
107 }
108
109 static int ul_send_cmd_raw( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength ) {
110 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_APPEND_CRC, cmdlen, 0}};
111 memcpy(c.d.asBytes, cmd, cmdlen);
112 SendCommand(&c);
113 UsbCommand resp;
114 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
115 if ( !resp.arg[0] && responseLength) return -1;
116
117 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
118 memcpy(response, resp.d.asBytes, resplen);
119 return resplen;
120 }
121 /*
122 static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength, bool append_crc ) {
123
124 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT , cmdlen, 0}};
125 if (append_crc)
126 c.arg[0] |= ISO14A_APPEND_CRC;
127
128 memcpy(c.d.asBytes, cmd, cmdlen);
129 SendCommand(&c);
130 UsbCommand resp;
131 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
132
133 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
134 if (resp.arg[0] > 0) {
135 memcpy(response, resp.d.asBytes, resplen );
136 return resplen;
137 } else return -1;
138 }
139 */
140 static int ul_select( iso14a_card_select_t *card ){
141
142 ul_switch_on_field();
143
144 UsbCommand resp;
145 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
146 if (resp.arg[0] < 0) return -1;
147
148 memcpy(card, resp.d.asBytes, sizeof(iso14a_card_select_t));
149
150 return resp.arg[0];
151 }
152
153 // This read command will at least return 16bytes.
154 static int ul_read( uint8_t page, uint8_t *response, uint16_t responseLength ){
155
156 uint8_t cmd[] = {ISO14443A_CMD_READBLOCK, page};
157 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
158 if ( len == -1 )
159 ul_switch_off_field();
160 return len;
161 }
162
163 static int ul_write( uint8_t page, uint8_t *data, uint8_t datalen ){
164 uint8_t cmd[] = {MIFARE_ULC_WRITE, page, 0,0,0,0};
165 memcpy(cmd+2, data, datalen);
166 uint8_t response[1] = {0xff};
167 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, sizeof(response));
168 if ( len == -1 )
169 ul_switch_off_field();
170
171 PrintAndLog("RESP: %02x", response[0]);
172 // ACK
173 if ( response[0] == 0x0a ) return 0;
174 // NACK
175 return -1;
176 }
177
178 static int ulc_requestAuthentication( uint8_t blockNo, uint8_t *nonce, uint16_t nonceLength ){
179
180 uint8_t cmd[] = {MIFARE_ULC_AUTH_1, blockNo};
181 int len = ul_send_cmd_raw(cmd, sizeof(cmd), nonce, nonceLength);
182 if ( len == -1 )
183 ul_switch_off_field();
184 return len;
185 }
186
187 static int ulev1_requestAuthentication( uint8_t *pwd, uint8_t *pack, uint16_t packLength ){
188
189 uint8_t cmd[] = {MIFARE_ULEV1_AUTH, pwd[0], pwd[1], pwd[2], pwd[3]};
190 int len = ul_send_cmd_raw(cmd, sizeof(cmd), pack, packLength);
191 if ( len == -1)
192 ul_switch_off_field();
193 return len;
194 }
195
196 static int ulev1_getVersion( uint8_t *response, uint16_t responseLength ){
197
198 uint8_t cmd[] = {MIFARE_ULEV1_VERSION};
199 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
200 if ( len == -1 )
201 ul_switch_off_field();
202 return len;
203 }
204
205 // static int ulev1_fastRead( uint8_t startblock, uint8_t endblock, uint8_t *response ){
206
207 // uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
208
209 // if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
210 // ul_switch_off_field();
211 // return -1;
212 // }
213 // return 0;
214 // }
215
216 static int ulev1_readCounter( uint8_t counter, uint8_t *response, uint16_t responseLength ){
217
218 uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
219 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
220 if (len == -1)
221 ul_switch_off_field();
222 return len;
223 }
224
225 static int ulev1_readSignature( uint8_t *response, uint16_t responseLength ){
226
227 uint8_t cmd[] = {MIFARE_ULEV1_READSIG, 0x00};
228 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
229 if (len == -1)
230 ul_switch_off_field();
231 return len;
232 }
233
234 static int ul_print_default( uint8_t *data){
235
236 uint8_t uid[7];
237
238 uid[0] = data[0];
239 uid[1] = data[1];
240 uid[2] = data[2];
241 uid[3] = data[4];
242 uid[4] = data[5];
243 uid[5] = data[6];
244 uid[6] = data[7];
245
246 PrintAndLog(" UID : %s ", sprint_hex(uid, 7));
247 PrintAndLog(" UID[0] : (Manufacturer Byte) = %02x, Manufacturer: %s", uid[0], getTagInfo(uid[0]) );
248
249 // BBC
250 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
251 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
252 if ( data[3] == crc0 )
253 PrintAndLog(" BCC0 : 0x%02X - Ok", data[3]);
254 else
255 PrintAndLog(" BCC0 : 0x%02X - crc should be %02x", data[3], crc0);
256
257 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
258 if ( data[8] == crc1 )
259 PrintAndLog(" BCC1 : 0x%02X - Ok", data[8]);
260 else
261 PrintAndLog(" BCC1 : 0x%02X - crc should be 0x%02X", data[8], crc1 );
262
263 PrintAndLog(" Internal : 0x%02X - %s default", data[9], (data[9]==0x48)?"":"not" );
264 PrintAndLog(" Lock : %s - %s", sprint_hex(data+10, 2),printBits( 2, data+10) );
265 PrintAndLog("OneTimePad : %s ", sprint_hex(data + 12, 4));
266 PrintAndLog("");
267 return 0;
268 }
269
270 static int ntag_print_CC(uint8_t *data) {
271 if(data[0] != 0xe1) {
272 PrintAndLog("no NDEF message");
273 return -1; // no NDEF message
274 }
275
276 PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
277 PrintAndLog(" %02X: NDEF Magic Number", data[0]);
278 PrintAndLog(" %02X: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
279 PrintAndLog(" %02X: Physical Memory Size: %d bytes", data[2], (data[2] + 1) * 8);
280 if ( data[2] == 0x12 )
281 PrintAndLog(" %02X: NDEF Memory Size: &d bytes", data[2], 144);
282 else if ( data[2] == 0x3e )
283 PrintAndLog(" %02X: NDEF Memory Size: &d bytes", data[2], 496);
284 else if ( data[2] == 0x6d )
285 PrintAndLog(" %02X: NDEF Memory Size: &d bytes", data[2], 872);
286
287 PrintAndLog(" %02X: %s / %s", data[3],
288 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
289 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
290 return 0;
291 }
292
293 static int ulev1_print_version(uint8_t *data){
294 PrintAndLog("\n--- UL-EV1 / NTAG Version");
295 PrintAndLog(" Raw bytes : %s", sprint_hex(data, 8) );
296 PrintAndLog(" Vendor ID : 0x%02X, Manufacturer: %s", data[1], getTagInfo(data[1]));
297 PrintAndLog(" Product type : %s" , getProductTypeStr(data[2]));
298 PrintAndLog(" Product subtype : 0x%02X %s" , data[3], (data[3]==1) ?"17 pF":"50pF");
299 PrintAndLog(" Major version : 0x%02X" , data[4]);
300 PrintAndLog(" Minor version : 0x%02X" , data[5]);
301 PrintAndLog(" Size : %s", getUlev1CardSizeStr(data[6]));
302 PrintAndLog(" Protocol type : 0x%02X" , data[7]);
303 return 0;
304 }
305
306 static int ul_print_type(uint16_t tagtype){
307 if ( tagtype & UL )
308 PrintAndLog(" TYPE : MIFARE Ultralight (MF0ICU1) %s", (tagtype & MAGIC)?"<magic>":"");
309 else if ( tagtype & UL_C)
310 PrintAndLog(" TYPE : MIFARE Ultralight C (MF0ULC) %s [%x]", (tagtype & MAGIC)?"<magic>":"", tagtype );
311 else if ( tagtype & UL_EV1_48)
312 PrintAndLog(" TYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)");
313 else if ( tagtype & UL_EV1_128)
314 PrintAndLog(" TYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)");
315 else if ( tagtype & NTAG_213 )
316 PrintAndLog(" TYPE : MIFARE NTAG 213 144bytes (NT2H1311G0DU)");
317 else if ( tagtype & NTAG_215 )
318 PrintAndLog(" TYPE : MIFARE NTAG 215 504bytes (NT2H1511G0DU)");
319 else if ( tagtype & NTAG_216 )
320 PrintAndLog(" TYPE : MIFARE NTAG 216 888bytes (NT2H1611G0DU)");
321 else
322 PrintAndLog(" TYPE : Unknown %04x",tagtype);
323 return 0;
324 }
325
326 static int ulc_print_3deskey( uint8_t *data){
327 PrintAndLog(" deskey1 [44/0x2C]: %s", sprint_hex(data ,4));
328 PrintAndLog(" deskey1 [45/0x2D]: %s", sprint_hex(data+4 ,4));
329 PrintAndLog(" deskey2 [46/0x2E]: %s", sprint_hex(data+8 ,4));
330 PrintAndLog(" deskey2 [47/0x2F]: %s", sprint_hex(data+12,4));
331 PrintAndLog(" 3des key : %s", sprint_hex(SwapEndian64(data, 16), 16));
332 return 0;
333 }
334
335 static int ulc_print_configuration( uint8_t *data){
336
337 PrintAndLog("--- UL-C Configuration");
338 PrintAndLog(" Higher Lockbits [40/0x28]: %s %s", sprint_hex(data, 4), printBits(2, data));
339 PrintAndLog(" Counter [41/0x29]: %s %s", sprint_hex(data+4, 4), printBits(2, data+4));
340
341 bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
342 if ( validAuth )
343 PrintAndLog(" Auth0 [42/0x2A]: %s - Pages above %d needs authentication", sprint_hex(data+8, 4), data[8] );
344 else{
345 if ( data[8] == 0){
346 PrintAndLog(" Auth0 [42/0x2A]: %s - default", sprint_hex(data+8, 4) );
347 } else {
348 PrintAndLog(" Auth0 [42/0x2A]: %s - auth byte is out-of-range", sprint_hex(data+8, 4) );
349 }
350 }
351 PrintAndLog(" Auth1 [43/0x2B]: %s - %s",
352 sprint_hex(data+12, 4),
353 (data[12] & 1) ? "write access restricted": "read and write access restricted"
354 );
355 return 0;
356 }
357
358 static int ulev1_print_configuration( uint8_t *data){
359
360 PrintAndLog("\n--- UL-EV1 Configuration");
361
362 bool strg_mod_en = (data[0] & 2);
363 uint8_t authlim = (data[4] & 0x07);
364 bool cfglck = (data[4] & 0x40);
365 bool prot = (data[4] & 0x80);
366 uint8_t vctid = data[5];
367
368 PrintAndLog(" cfg0 [16/0x10]: %s", sprint_hex(data, 4));
369 PrintAndLog(" - pages above %d needs authentication",data[3]);
370 PrintAndLog(" - strong modulation mode %s", (strg_mod_en) ? "enabled":"disabled");
371 PrintAndLog(" cfg1 [17/0x11]: %s", sprint_hex(data+4, 4) );
372 if ( authlim == 0)
373 PrintAndLog(" - Max number of password attempts is unlimited");
374 else
375 PrintAndLog(" - Max number of password attempts is %d", authlim);
376 PrintAndLog(" - user configuration %s", cfglck ? "permanently locked":"writeable");
377 PrintAndLog(" - %s access is protected with password", prot ? "read and write":"write");
378 PrintAndLog(" 0x%02X - Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
379 PrintAndLog(" PWD [18/0x12]: %s", sprint_hex(data+8, 4));
380 PrintAndLog(" PACK [19/0x13]: %s", sprint_hex(data+12, 4));
381 return 0;
382 }
383
384 static int ulev1_print_counters(){
385 PrintAndLog("--- UL-EV1 Counters");
386 uint8_t counter[3] = {0,0,0};
387 for ( uint8_t i = 0; i<3; ++i) {
388 ulev1_readCounter(i,counter, sizeof(counter) );
389 PrintAndLog(" [0x%0d] : %s", i, sprint_hex(counter,3));
390 }
391 return 0;
392 }
393
394 static int ulev1_print_signature( uint8_t *data, uint8_t len){
395 PrintAndLog("\n--- UL-EV1 Signature");
396 PrintAndLog("IC signature public key name : NXP NTAG21x 2013");
397 PrintAndLog("IC signature public key value : 04494e1a386d3d3cfe3dc10e5de68a499b1c202db5b132393e89ed19fe5be8bc61");
398 PrintAndLog(" Elliptic curve parameters : secp128r1");
399 PrintAndLog(" Tag ECC Signature : %s", sprint_hex(data, len));
400 //to do: verify if signature is valid
401 //PrintAndLog("IC signature status: %s valid", (iseccvalid() )?"":"not");
402 return 0;
403 }
404
405 static int ulc_magic_test(){
406 // Magic Ultralight test
407 // Magic UL-C, by observation,
408 // 1) it seems to have a static nonce response to 0x1A command.
409 // 2) the deskey bytes is not-zero:d out on as datasheet states.
410 // 3) UID - changeable, not only, but pages 0-1-2-3.
411 int returnValue = UL_ERROR;
412 iso14a_card_select_t card;
413 uint8_t nonce1[11] = {0x00};
414 uint8_t nonce2[11] = {0x00};
415 int status = ul_select(&card);
416 if ( status < 1 ){
417 PrintAndLog("Error: couldn't select ulc_magic_test");
418 ul_switch_off_field();
419 return UL_ERROR;
420 }
421 status = ulc_requestAuthentication(0, nonce1, sizeof(nonce1));
422 if ( status > 0 ) {
423 status = ulc_requestAuthentication(0, nonce2, sizeof(nonce2));
424 returnValue = ( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
425 } else {
426 returnValue = UL;
427 }
428 ul_switch_off_field();
429 return returnValue;
430 }
431
432 static int ul_magic_test(){
433
434 // Magic Ultralight test
435 // It takes present UID, and tries to write it back.
436 iso14a_card_select_t card;
437 int status = ul_select(&card);
438 if ( status < 1 ){
439 PrintAndLog("Error: couldn't select ul_magic_test");
440 ul_switch_off_field();
441 return UL_ERROR;
442 }
443 uint8_t page0 = 0;
444 uint8_t data[4] = {card.uid[0], card.uid[1], card.uid[2], 0};
445 data[3] = 0x88 ^ card.uid[0] ^ card.uid[1] ^ card.uid[2];
446
447 status = ul_write( page0, data, sizeof(data));
448 ul_switch_off_field();
449 if ( status == 0)
450 return UL_MAGIC;
451 return UL;
452 }
453
454 uint16_t GetHF14AMfU_Type(void){
455
456 TagTypeUL_t tagtype = UNKNOWN;
457 iso14a_card_select_t card;
458 uint8_t version[10] = {0x00};
459 int status = 0;
460 int len;
461
462 status = ul_select(&card);
463 if ( status < 1 ){
464 PrintAndLog("Error: couldn't select");
465 ul_switch_off_field();
466 return UL_ERROR;
467 }
468 // Ultralight - ATQA / SAK
469 if ( card.atqa[1] != 0x00 || card.atqa[0] != 0x44 || card.sak != 0x00 ) {
470 PrintAndLog("Tag is not UL or NTAG. [ATQA: %02X %02x SAK: %02X]", card.atqa[1],card.atqa[0],card.sak);
471 ul_switch_off_field();
472 return UL_ERROR;
473 }
474
475 len = ulev1_getVersion(version, sizeof(version));
476 ul_switch_off_field();
477
478 switch (len) {
479 case 0x0A: {
480
481 if ( version[2] == 0x03 && version[6] == 0x0B )
482 tagtype = UL_EV1_48;
483 else if ( version[2] == 0x03 && version[6] != 0x0B )
484 tagtype = UL_EV1_128;
485 else if ( version[2] == 0x04 && version[6] == 0x0F )
486 tagtype = NTAG_213;
487 else if ( version[2] == 0x04 && version[6] != 0x11 )
488 tagtype = NTAG_215;
489 else if ( version[2] == 0x04 && version[6] == 0x13 )
490 tagtype = NTAG_216;
491 else if ( version[2] == 0x04 )
492 tagtype = NTAG;
493
494 break;
495 }
496 case 0x01: tagtype = UL_C; break;
497 case 0x00: tagtype = UL; break;
498 case -1: tagtype = (UL | UL_C); break;
499 default: tagtype = UNKNOWN; break;
500 }
501
502 if ((tagtype & ( UL_C | UL ))) tagtype = ulc_magic_test();
503 if ( (tagtype & UL) ) tagtype = ul_magic_test();
504
505 return tagtype;
506 }
507
508 int CmdHF14AMfUInfo(const char *Cmd){
509
510 uint8_t authlim = 0xff;
511 uint8_t data[16] = {0x00};
512 iso14a_card_select_t card;
513 uint8_t *key;
514 int status;
515
516 TagTypeUL_t tagtype = GetHF14AMfU_Type();
517 if (tagtype == UL_ERROR) return -1;
518
519 PrintAndLog("\n--- Tag Information ---------");
520 PrintAndLog("-------------------------------------------------------------");
521 ul_print_type(tagtype);
522
523 status = ul_select(&card);
524 if ( status < 1 ){
525 PrintAndLog("Error: couldn't select");
526 ul_switch_off_field();
527 return status;
528 }
529
530 // read pages 0,1,2,4 (should read 4pages)
531 status = ul_read(0, data, sizeof(data));
532 if ( status == -1 ){
533 PrintAndLog("Error: tag didn't answer to READ A");
534 ul_switch_off_field();
535 return status;
536 }
537
538 ul_print_default(data);
539
540 if ((tagtype & UL_C)){
541
542 // lookup lockbits before?
543 // read pages 0x28, 0x29, 0x2A, 0x2B
544 // tag may be locked
545 uint8_t ulc_conf[16] = {0x00};
546 status = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
547 if ( status == -1 ){
548 PrintAndLog("Error: tag didn't answer to READ - possibly locked");
549 } else {
550 ulc_print_configuration(ulc_conf);
551 }
552
553 if ((tagtype & MAGIC)){
554
555 uint8_t ulc_deskey[16] = {0x00};
556 status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
557 if ( status == -1 ){
558 PrintAndLog("Error: tag didn't answer to READ B");
559 ul_switch_off_field();
560 return status;
561 }
562
563 ulc_print_3deskey(ulc_deskey);
564
565 }
566 else {
567 PrintAndLog("Trying some default 3des keys");
568 ul_switch_off_field();
569 for (uint8_t i = 0; i < 7; ++i ){
570 key = default_3des_keys[i];
571 if (try3DesAuthentication(key) == 1){
572 PrintAndLog("Found default 3des key: %s", sprint_hex(key,16));
573 return 0;
574 }
575 }
576 }
577 }
578
579 if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
580
581 uint8_t startconfigblock = (tagtype & UL_EV1_48) ? 0x10 : 0x25;
582 uint8_t ulev1_conf[16] = {0x00};
583 status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
584 if ( status == -1 ){
585 PrintAndLog("Error: tag didn't answer to READ C");
586 ul_switch_off_field();
587 return status;
588 }
589 // save AUTHENTICATION LIMITS for later:
590 authlim = (ulev1_conf[4] & 0x07);
591
592 ulev1_print_configuration(ulev1_conf);
593
594 uint8_t ulev1_signature[32] = {0x00};
595 status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
596 if ( status == -1 ){
597 PrintAndLog("Error: tag didn't answer to READ SIGNATURE");
598 ul_switch_off_field();
599 return status;
600 }
601 ulev1_print_signature( ulev1_signature, sizeof(ulev1_signature));
602
603 ulev1_print_counters();
604 }
605
606 if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216))) {
607
608 uint8_t version[10] = {0x00};
609 status = ulev1_getVersion(version, sizeof(version));
610 if ( status == -1 ){
611 PrintAndLog("Error: tag didn't answer to GETVERSION");
612 ul_switch_off_field();
613 return status;
614 }
615 ulev1_print_version(version);
616
617 // AUTHLIMIT, (number of failed authentications)
618 // 0 = limitless.
619 // 1-7 = ... should we even try then?
620 if ( authlim == 0 ){
621 PrintAndLog("\n--- Known EV1/NTAG passwords.");
622
623 uint8_t pack[4] = {0,0,0,0};
624
625 for (uint8_t i = 0; i < 2; ++i ){
626 key = default_pwd_pack[i];
627 if ( ulev1_requestAuthentication(key, pack, sizeof(pack)) > -1 ){
628 PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
629 }
630 }
631 ul_switch_off_field();
632 }
633 }
634
635 if ((tagtype & (NTAG_213 | NTAG_215 | NTAG_216))){
636
637 PrintAndLog("\n--- NTAG NDEF Message");
638 uint8_t cc[16] = {0x00};
639 status = ul_read(2, cc, sizeof(cc));
640 if ( status == -1 ){
641 PrintAndLog("Error: tag didn't answer to READ D");
642 ul_switch_off_field();
643 return status;
644 }
645 ntag_print_CC(cc);
646 }
647
648 ul_switch_off_field();
649 return 0;
650 }
651
652 //
653 // Mifare Ultralight Write Single Block
654 //
655 int CmdHF14AMfUWrBl(const char *Cmd){
656 uint8_t blockNo = -1;
657 bool chinese_card = FALSE;
658 uint8_t bldata[16] = {0x00};
659 UsbCommand resp;
660
661 char cmdp = param_getchar(Cmd, 0);
662 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
663 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
664 PrintAndLog(" [block number]");
665 PrintAndLog(" [block data] - (8 hex symbols)");
666 PrintAndLog(" [w] - Chinese magic ultralight tag");
667 PrintAndLog("");
668 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
669 PrintAndLog("");
670 return 0;
671 }
672
673 blockNo = param_get8(Cmd, 0);
674
675 if (blockNo > MAX_UL_BLOCKS){
676 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
677 return 1;
678 }
679
680 if (param_gethex(Cmd, 1, bldata, 8)) {
681 PrintAndLog("Block data must include 8 HEX symbols");
682 return 1;
683 }
684
685 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
686 chinese_card = TRUE;
687 }
688
689 if ( blockNo <= 3) {
690 if (!chinese_card){
691 PrintAndLog("Access Denied");
692 } else {
693 PrintAndLog("--specialblock no:%02x", blockNo);
694 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
695 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
696 memcpy(d.d.asBytes,bldata, 4);
697 SendCommand(&d);
698 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
699 uint8_t isOK = resp.arg[0] & 0xff;
700 PrintAndLog("isOk:%02x", isOK);
701 } else {
702 PrintAndLog("Command execute timeout");
703 }
704 }
705 } else {
706 PrintAndLog("--block no:%02x", blockNo);
707 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
708 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
709 memcpy(e.d.asBytes,bldata, 4);
710 SendCommand(&e);
711 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
712 uint8_t isOK = resp.arg[0] & 0xff;
713 PrintAndLog("isOk:%02x", isOK);
714 } else {
715 PrintAndLog("Command execute timeout");
716 }
717 }
718 return 0;
719 }
720
721 //
722 // Mifare Ultralight Read Single Block
723 //
724 int CmdHF14AMfURdBl(const char *Cmd){
725
726 UsbCommand resp;
727 uint8_t blockNo = -1;
728 char cmdp = param_getchar(Cmd, 0);
729
730 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
731 PrintAndLog("Usage: hf mfu rdbl <block number>");
732 PrintAndLog(" sample: hfu mfu rdbl 0");
733 return 0;
734 }
735
736 blockNo = param_get8(Cmd, 0);
737
738 if (blockNo > MAX_UL_BLOCKS){
739 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
740 return 1;
741 }
742
743 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
744 SendCommand(&c);
745
746
747 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
748 uint8_t isOK = resp.arg[0] & 0xff;
749 if (isOK) {
750 uint8_t *data = resp.d.asBytes;
751 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
752 }
753 else {
754 PrintAndLog("Failed reading block: (%02x)", isOK);
755 }
756 } else {
757 PrintAndLog("Command execute time-out");
758 }
759
760 return 0;
761 }
762
763 int usage_hf_mfu_dump(void)
764 {
765 PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
766 PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
767 PrintAndLog("It autodetects card type.\n");
768 PrintAndLog("Usage: hf mfu dump k <key> n <filename w/o .bin>");
769 PrintAndLog(" Options : ");
770 PrintAndLog(" k <key> : Enter key for authentication");
771 PrintAndLog(" n <FN > : Enter filename w/o .bin to save the dump as");
772 PrintAndLog(" s : Swap entered key's endianness for auth");
773 PrintAndLog("");
774 PrintAndLog(" sample : hf mfu dump");
775 PrintAndLog(" : hf mfu dump n myfile");
776 return 0;
777 }
778 //
779 // Mifare Ultralight / Ultralight-C / Ultralight-EV1
780 // Read and Dump Card Contents, using auto detection of tag size.
781 //
782 // TODO: take a password to read UL-C / UL-EV1 tags.
783 int CmdHF14AMfUDump(const char *Cmd){
784
785 FILE *fout;
786 char filename[FILE_PATH_SIZE] = {0x00};
787 char * fnameptr = filename;
788 char* str = "Dumping Ultralight%s%s Card Data...";
789 uint8_t *lockbytes_t = NULL;
790 uint8_t lockbytes[2] = {0x00};
791 uint8_t *lockbytes_t2 = NULL;
792 uint8_t lockbytes2[2] = {0x00};
793 bool bit[16] = {0x00};
794 bool bit2[16] = {0x00};
795 uint8_t data[1024] = {0x00};
796 bool hasPwd = false;
797 int i = 0;
798 int Pages = 16;
799 bool tmplockbit = false;
800 uint8_t dataLen=0;
801 uint8_t cmdp =0;
802 uint8_t key[16] = {0x00};
803 uint8_t *keyPtr = key;
804 size_t fileNlen = 0;
805 bool errors = false;
806 bool swapEndian = false;
807
808 while(param_getchar(Cmd, cmdp) != 0x00)
809 {
810 switch(param_getchar(Cmd, cmdp))
811 {
812 case 'h':
813 case 'H':
814 return usage_hf_mfu_dump();
815 case 'k':
816 case 'K':
817 dataLen = param_gethex(Cmd, cmdp+1, data, 32);
818 if (dataLen) {
819 errors = true;
820 } else {
821 memcpy(key, data, 16);
822 }
823 cmdp += 2;
824 hasPwd = true;
825 break;
826 case 'n':
827 case 'N':
828 fileNlen = param_getstr(Cmd, cmdp+1, filename);
829 if (!fileNlen) errors = true;
830 if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
831 cmdp += 2;
832 break;
833 case 's':
834 swapEndian = true;
835 cmdp++;
836 default:
837 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
838 errors = true;
839 break;
840 }
841 if(errors) break;
842 }
843
844 //Validations
845 if(errors) return usage_hf_mfu_dump();
846
847 if (swapEndian)
848 keyPtr = SwapEndian64(data, 16);
849
850 TagTypeUL_t tagtype = GetHF14AMfU_Type();
851 if (tagtype == UL_ERROR) return -1;
852
853 if ( tagtype & UL ) {
854 Pages = 16;
855 PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" );
856 }
857 else if ( tagtype & UL_C ) {
858 Pages = 44;
859 PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" );
860 }
861 else if ( tagtype & UL_EV1_48 ) {
862 Pages = 18;
863 PrintAndLog(str," EV1_48","");
864 }
865 else if ( tagtype & UL_EV1_128 ) {
866 Pages = 32;
867 PrintAndLog(str," EV1_128","");
868 } else {
869 Pages = 16;
870 PrintAndLog("Dumping unknown Ultralight, using default values.");
871 }
872
873 UsbCommand c = {CMD_MIFAREUC_READCARD, {0,Pages}};
874 if ( hasPwd ) {
875 c.arg[2] = 1;
876 memcpy(c.d.asBytes, key, 16);
877 }
878 SendCommand(&c);
879 UsbCommand resp;
880 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
881 PrintAndLog("Command execute time-out");
882 return 1;
883 }
884 PrintAndLog ("%u,%u",resp.arg[0],resp.arg[1]);
885 uint8_t isOK = resp.arg[0] & 0xff;
886 if (isOK) {
887 memcpy(data, resp.d.asBytes, resp.arg[1]);
888 } else {
889 PrintAndLog("Failed reading block: (%02x)", i);
890 return 1;
891 }
892
893 // Load lock bytes.
894 int j = 0;
895
896 lockbytes_t = data + 8;
897 lockbytes[0] = lockbytes_t[2];
898 lockbytes[1] = lockbytes_t[3];
899 for(j = 0; j < 16; j++){
900 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
901 }
902
903 // Load bottom lockbytes if available
904 if ( Pages == 44 ) {
905 lockbytes_t2 = data + (40*4);
906 lockbytes2[0] = lockbytes_t2[2];
907 lockbytes2[1] = lockbytes_t2[3];
908 for (j = 0; j < 16; j++) {
909 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
910 }
911 }
912
913 // add keys
914 if (hasPwd){
915 memcpy(data + Pages*4, key, 16);
916 Pages += 4;
917 }
918 for (i = 0; i < Pages; ++i) {
919 if ( i < 3 ) {
920 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
921 continue;
922 }
923 switch(i){
924 case 3: tmplockbit = bit[4]; break;
925 case 4: tmplockbit = bit[3]; break;
926 case 5: tmplockbit = bit[2]; break;
927 case 6: tmplockbit = bit[1]; break;
928 case 7: tmplockbit = bit[0]; break;
929 case 8: tmplockbit = bit[15]; break;
930 case 9: tmplockbit = bit[14]; break;
931 case 10: tmplockbit = bit[13]; break;
932 case 11: tmplockbit = bit[12]; break;
933 case 12: tmplockbit = bit[11]; break;
934 case 13: tmplockbit = bit[10]; break;
935 case 14: tmplockbit = bit[9]; break;
936 case 15: tmplockbit = bit[8]; break;
937 case 16:
938 case 17:
939 case 18:
940 case 19: tmplockbit = bit2[6]; break;
941 case 20:
942 case 21:
943 case 22:
944 case 23: tmplockbit = bit2[5]; break;
945 case 24:
946 case 25:
947 case 26:
948 case 27: tmplockbit = bit2[4]; break;
949 case 28:
950 case 29:
951 case 30:
952 case 31: tmplockbit = bit2[2]; break;
953 case 32:
954 case 33:
955 case 34:
956 case 35: tmplockbit = bit2[1]; break;
957 case 36:
958 case 37:
959 case 38:
960 case 39: tmplockbit = bit2[0]; break;
961 case 40: tmplockbit = bit2[12]; break;
962 case 41: tmplockbit = bit2[11]; break;
963 case 42: tmplockbit = bit2[10]; break; //auth0
964 case 43: tmplockbit = bit2[9]; break; //auth1
965 default: break;
966 }
967 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
968 }
969
970 // user supplied filename?
971 if (fileNlen < 1) {
972 // UID = data 0-1-2 4-5-6-7 (skips a beat)
973 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
974 data[0], data[1], data[2], data[4], data[5], data[6], data[7]);
975 } else {
976 sprintf(fnameptr + fileNlen," .bin");
977 }
978
979 if ((fout = fopen(filename,"wb")) == NULL) {
980 PrintAndLog("Could not create file name %s", filename);
981 return 1;
982 }
983 fwrite( data, 1, Pages*4, fout );
984 fclose(fout);
985
986 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
987 return 0;
988 }
989
990 // Needed to Authenticate to Ultralight C tags
991 void rol (uint8_t *data, const size_t len){
992 uint8_t first = data[0];
993 for (size_t i = 0; i < len-1; i++) {
994 data[i] = data[i+1];
995 }
996 data[len-1] = first;
997 }
998
999 //-------------------------------------------------------------------------------
1000 // Ultralight C Methods
1001 //-------------------------------------------------------------------------------
1002
1003 //
1004 // Ultralight C Authentication Demo {currently uses hard-coded key}
1005 //
1006 int CmdHF14AMfucAuth(const char *Cmd){
1007
1008 uint8_t keyNo = 0;
1009 bool errors = false;
1010
1011 char cmdp = param_getchar(Cmd, 0);
1012
1013 //Change key to user defined one
1014 if (cmdp == 'k' || cmdp == 'K'){
1015 keyNo = param_get8(Cmd, 1);
1016 if(keyNo > 6)
1017 errors = true;
1018 }
1019
1020 if (cmdp == 'h' || cmdp == 'H')
1021 errors = true;
1022
1023 if (errors) {
1024 PrintAndLog("Usage: hf mfu cauth k <key number>");
1025 PrintAndLog(" 0 (default): 3DES standard key");
1026 PrintAndLog(" 1 : all 0x00 key");
1027 PrintAndLog(" 2 : 0x00-0x0F key");
1028 PrintAndLog(" 3 : nfc key");
1029 PrintAndLog(" 4 : all 0x01 key");
1030 PrintAndLog(" 5 : all 0xff key");
1031 PrintAndLog(" 6 : 0x00-0xFF key");
1032 PrintAndLog("\n sample : hf mfu cauth k");
1033 PrintAndLog(" : hf mfu cauth k 3");
1034 return 0;
1035 }
1036
1037 uint8_t *key = default_3des_keys[keyNo];
1038 if (try3DesAuthentication(key)>0)
1039 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
1040 else
1041 PrintAndLog("Authentication failed");
1042
1043 return 0;
1044 }
1045
1046 int try3DesAuthentication( uint8_t *key){
1047
1048 uint8_t blockNo = 0;
1049 uint32_t cuid = 0;
1050
1051 des3_context ctx = { 0 };
1052
1053 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
1054 uint8_t random_b[8] = { 0 };
1055 uint8_t enc_random_b[8] = { 0 };
1056 uint8_t rnd_ab[16] = { 0 };
1057 uint8_t iv[8] = { 0 };
1058
1059 UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
1060 SendCommand(&c);
1061 UsbCommand resp;
1062 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
1063 if ( !(resp.arg[0] & 0xff) ) return -2;
1064
1065 cuid = resp.arg[1];
1066 memcpy(enc_random_b,resp.d.asBytes+1,8);
1067
1068 des3_set2key_dec(&ctx, key);
1069 // context, mode, length, IV, input, output
1070 des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
1071
1072 rol(random_b,8);
1073 memcpy(rnd_ab ,random_a,8);
1074 memcpy(rnd_ab+8,random_b,8);
1075
1076 //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8));
1077 //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8));
1078 //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8));
1079 //PrintAndLog(" A+B :%s", sprint_hex(rnd_ab, 16));
1080
1081 des3_set2key_enc(&ctx, key);
1082 // context, mode, length, IV, input, output
1083 des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
1084
1085 //Auth2
1086 c.cmd = CMD_MIFAREUC_AUTH2;
1087 c.arg[0] = cuid;
1088 memcpy(c.d.asBytes, rnd_ab, 16);
1089 SendCommand(&c);
1090
1091 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
1092 if ( !(resp.arg[0] & 0xff)) return -2;
1093
1094 uint8_t enc_resp[8] = { 0 };
1095 uint8_t resp_random_a[8] = { 0 };
1096 memcpy(enc_resp, resp.d.asBytes+1, 8);
1097
1098 des3_set2key_dec(&ctx, key);
1099 // context, mode, length, IV, input, output
1100 des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
1101
1102 //PrintAndLog(" enc(A+B) :%s", sprint_hex(rnd_ab, 16));
1103 //PrintAndLog(" enc(RndA') :%s", sprint_hex(enc_resp, 8));
1104
1105 if ( !memcmp(resp_random_a, random_a, 8))
1106 return 1;
1107 return 0;
1108 }
1109
1110 /**
1111 A test function to validate that the polarssl-function works the same
1112 was as the openssl-implementation.
1113 Commented out, since it requires openssl
1114
1115 int CmdTestDES(const char * cmd)
1116 {
1117 uint8_t key[16] = {0x00};
1118
1119 memcpy(key,key3_3des_data,16);
1120 DES_cblock RndA, RndB;
1121
1122 PrintAndLog("----------OpenSSL DES implementation----------");
1123 {
1124 uint8_t e_RndB[8] = {0x00};
1125 unsigned char RndARndB[16] = {0x00};
1126
1127 DES_cblock iv = { 0 };
1128 DES_key_schedule ks1,ks2;
1129 DES_cblock key1,key2;
1130
1131 memcpy(key,key3_3des_data,16);
1132 memcpy(key1,key,8);
1133 memcpy(key2,key+8,8);
1134
1135
1136 DES_set_key((DES_cblock *)key1,&ks1);
1137 DES_set_key((DES_cblock *)key2,&ks2);
1138
1139 DES_random_key(&RndA);
1140 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
1141 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
1142 //void DES_ede2_cbc_encrypt(const unsigned char *input,
1143 // unsigned char *output, long length, DES_key_schedule *ks1,
1144 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
1145 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
1146
1147 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
1148 rol(RndB,8);
1149 memcpy(RndARndB,RndA,8);
1150 memcpy(RndARndB+8,RndB,8);
1151 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
1152 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
1153 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
1154
1155 }
1156 PrintAndLog("----------PolarSSL implementation----------");
1157 {
1158 uint8_t random_a[8] = { 0 };
1159 uint8_t enc_random_a[8] = { 0 };
1160 uint8_t random_b[8] = { 0 };
1161 uint8_t enc_random_b[8] = { 0 };
1162 uint8_t random_a_and_b[16] = { 0 };
1163 des3_context ctx = { 0 };
1164
1165 memcpy(random_a, RndA,8);
1166
1167 uint8_t output[8] = { 0 };
1168 uint8_t iv[8] = { 0 };
1169
1170 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
1171 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
1172
1173 des3_set2key_dec(&ctx, key);
1174
1175 des3_crypt_cbc(&ctx // des3_context *ctx
1176 , DES_DECRYPT // int mode
1177 , sizeof(random_b) // size_t length
1178 , iv // unsigned char iv[8]
1179 , enc_random_b // const unsigned char *input
1180 , random_b // unsigned char *output
1181 );
1182
1183 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
1184
1185 rol(random_b,8);
1186 memcpy(random_a_and_b ,random_a,8);
1187 memcpy(random_a_and_b+8,random_b,8);
1188
1189 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
1190
1191 des3_set2key_enc(&ctx, key);
1192
1193 des3_crypt_cbc(&ctx // des3_context *ctx
1194 , DES_ENCRYPT // int mode
1195 , sizeof(random_a_and_b) // size_t length
1196 , enc_random_b // unsigned char iv[8]
1197 , random_a_and_b // const unsigned char *input
1198 , random_a_and_b // unsigned char *output
1199 );
1200
1201 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
1202 }
1203 return 0;
1204 }
1205 **/
1206
1207 //
1208 // Ultralight C Read Single Block
1209 //
1210 int CmdHF14AMfUCRdBl(const char *Cmd)
1211 {
1212 UsbCommand resp;
1213 bool hasPwd = FALSE;
1214 uint8_t blockNo = -1;
1215 uint8_t key[16];
1216 char cmdp = param_getchar(Cmd, 0);
1217
1218 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
1219 PrintAndLog("Usage: hf mfu crdbl <block number> <key>");
1220 PrintAndLog("");
1221 PrintAndLog("sample: hf mfu crdbl 0");
1222 PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
1223 return 0;
1224 }
1225
1226 blockNo = param_get8(Cmd, 0);
1227 if (blockNo < 0) {
1228 PrintAndLog("Wrong block number");
1229 return 1;
1230 }
1231
1232 if (blockNo > MAX_ULC_BLOCKS ){
1233 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
1234 return 1;
1235 }
1236
1237 // key
1238 if ( strlen(Cmd) > 3){
1239 if (param_gethex(Cmd, 1, key, 32)) {
1240 PrintAndLog("Key must include %d HEX symbols", 32);
1241 return 1;
1242 } else {
1243 hasPwd = TRUE;
1244 }
1245 }
1246
1247 //Read Block
1248 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
1249 if ( hasPwd ) {
1250 c.arg[1] = 1;
1251 memcpy(c.d.asBytes,key,16);
1252 }
1253 SendCommand(&c);
1254
1255 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1256 uint8_t isOK = resp.arg[0] & 0xff;
1257 if (isOK) {
1258 uint8_t *data = resp.d.asBytes;
1259 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
1260 }
1261 else {
1262 PrintAndLog("Failed reading block: (%02x)", isOK);
1263 }
1264 } else {
1265 PrintAndLog("Command execute time-out");
1266 }
1267 return 0;
1268 }
1269
1270 //
1271 // Mifare Ultralight C Write Single Block
1272 //
1273 int CmdHF14AMfUCWrBl(const char *Cmd){
1274
1275 uint8_t blockNo = -1;
1276 bool chinese_card = FALSE;
1277 uint8_t bldata[16] = {0x00};
1278 UsbCommand resp;
1279
1280 char cmdp = param_getchar(Cmd, 0);
1281
1282 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
1283 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
1284 PrintAndLog(" [block number]");
1285 PrintAndLog(" [block data] - (8 hex symbols)");
1286 PrintAndLog(" [w] - Chinese magic ultralight tag");
1287 PrintAndLog("");
1288 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
1289 PrintAndLog("");
1290 return 0;
1291 }
1292
1293 blockNo = param_get8(Cmd, 0);
1294 if (blockNo > MAX_ULC_BLOCKS ){
1295 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
1296 return 1;
1297 }
1298
1299 if (param_gethex(Cmd, 1, bldata, 8)) {
1300 PrintAndLog("Block data must include 8 HEX symbols");
1301 return 1;
1302 }
1303
1304 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
1305 chinese_card = TRUE;
1306 }
1307
1308 if ( blockNo <= 3 ) {
1309 if (!chinese_card){
1310 PrintAndLog("Access Denied");
1311 return 1;
1312 } else {
1313 PrintAndLog("--Special block no: 0x%02x", blockNo);
1314 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1315 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
1316 memcpy(d.d.asBytes,bldata, 4);
1317 SendCommand(&d);
1318 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1319 uint8_t isOK = resp.arg[0] & 0xff;
1320 PrintAndLog("isOk:%02x", isOK);
1321 } else {
1322 PrintAndLog("Command execute timeout");
1323 return 1;
1324 }
1325 }
1326 } else {
1327 PrintAndLog("--Block no : 0x%02x", blockNo);
1328 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1329 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
1330 memcpy(e.d.asBytes,bldata, 4);
1331 SendCommand(&e);
1332 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1333 uint8_t isOK = resp.arg[0] & 0xff;
1334 PrintAndLog("isOk : %02x", isOK);
1335 } else {
1336 PrintAndLog("Command execute timeout");
1337 return 1;
1338 }
1339 }
1340 return 0;
1341 }
1342
1343 //
1344 // Mifare Ultralight C - Set password
1345 //
1346 int CmdHF14AMfucSetPwd(const char *Cmd){
1347
1348 uint8_t pwd[16] = {0x00};
1349
1350 char cmdp = param_getchar(Cmd, 0);
1351
1352 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1353 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
1354 PrintAndLog(" [password] - (32 hex symbols)");
1355 PrintAndLog("");
1356 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
1357 PrintAndLog("");
1358 return 0;
1359 }
1360
1361 if (param_gethex(Cmd, 0, pwd, 32)) {
1362 PrintAndLog("Password must include 32 HEX symbols");
1363 return 1;
1364 }
1365
1366 UsbCommand c = {CMD_MIFAREUC_SETPWD};
1367 memcpy( c.d.asBytes, pwd, 16);
1368 SendCommand(&c);
1369
1370 UsbCommand resp;
1371
1372 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1373 if ( (resp.arg[0] & 0xff) == 1)
1374 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
1375 else{
1376 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
1377 return 1;
1378 }
1379 }
1380 else {
1381 PrintAndLog("command execution time out");
1382 return 1;
1383 }
1384
1385 return 0;
1386 }
1387
1388 //
1389 // Magic UL / UL-C tags - Set UID
1390 //
1391 int CmdHF14AMfucSetUid(const char *Cmd){
1392
1393 UsbCommand c;
1394 UsbCommand resp;
1395 uint8_t uid[7] = {0x00};
1396 char cmdp = param_getchar(Cmd, 0);
1397
1398 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1399 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
1400 PrintAndLog(" [uid] - (14 hex symbols)");
1401 PrintAndLog("\nThis only works for Magic Ultralight tags.");
1402 PrintAndLog("");
1403 PrintAndLog("sample: hf mfu setuid 11223344556677");
1404 PrintAndLog("");
1405 return 0;
1406 }
1407
1408 if (param_gethex(Cmd, 0, uid, 14)) {
1409 PrintAndLog("UID must include 14 HEX symbols");
1410 return 1;
1411 }
1412
1413 // read block2.
1414 c.cmd = CMD_MIFAREU_READBL;
1415 c.arg[0] = 2;
1416 SendCommand(&c);
1417 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1418 PrintAndLog("Command execute timeout");
1419 return 2;
1420 }
1421
1422 // save old block2.
1423 uint8_t oldblock2[4] = {0x00};
1424 memcpy(resp.d.asBytes, oldblock2, 4);
1425
1426 // block 0.
1427 c.cmd = CMD_MIFAREU_WRITEBL;
1428 c.arg[0] = 0;
1429 c.d.asBytes[0] = uid[0];
1430 c.d.asBytes[1] = uid[1];
1431 c.d.asBytes[2] = uid[2];
1432 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
1433 SendCommand(&c);
1434 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1435 PrintAndLog("Command execute timeout");
1436 return 3;
1437 }
1438
1439 // block 1.
1440 c.arg[0] = 1;
1441 c.d.asBytes[0] = uid[3];
1442 c.d.asBytes[1] = uid[4];
1443 c.d.asBytes[2] = uid[5];
1444 c.d.asBytes[3] = uid[6];
1445 SendCommand(&c);
1446 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1447 PrintAndLog("Command execute timeout");
1448 return 4;
1449 }
1450
1451 // block 2.
1452 c.arg[0] = 2;
1453 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
1454 c.d.asBytes[1] = oldblock2[1];
1455 c.d.asBytes[2] = oldblock2[2];
1456 c.d.asBytes[3] = oldblock2[3];
1457 SendCommand(&c);
1458 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1459 PrintAndLog("Command execute timeout");
1460 return 5;
1461 }
1462
1463 return 0;
1464 }
1465
1466 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
1467
1468 uint8_t iv[8] = { 0x00 };
1469 uint8_t block = 0x07;
1470
1471 // UL-EV1
1472 //04 57 b6 e2 05 3f 80 UID
1473 //4a f8 4b 19 PWD
1474 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
1475 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
1476 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
1477 uint8_t dkeyA[8] = { 0x00 };
1478 uint8_t dkeyB[8] = { 0x00 };
1479
1480 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
1481
1482 uint8_t mix[8] = { 0x00 };
1483 uint8_t divkey[8] = { 0x00 };
1484
1485 memcpy(mix, mifarekeyA, 4);
1486
1487 mix[4] = mifarekeyA[4] ^ uid[0];
1488 mix[5] = mifarekeyA[5] ^ uid[1];
1489 mix[6] = block ^ uid[2];
1490 mix[7] = uid[3];
1491
1492 des3_context ctx = { 0x00 };
1493 des3_set2key_enc(&ctx, masterkey);
1494
1495 des3_crypt_cbc(&ctx // des3_context
1496 , DES_ENCRYPT // int mode
1497 , sizeof(mix) // length
1498 , iv // iv[8]
1499 , mix // input
1500 , divkey // output
1501 );
1502
1503 PrintAndLog("3DES version");
1504 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1505 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
1506 PrintAndLog("Sector :\t %0d", block);
1507 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1508 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
1509 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1510
1511 PrintAndLog("\n DES version");
1512
1513 for (int i=0; i < sizeof(mifarekeyA); ++i){
1514 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1515 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
1516 }
1517
1518 for (int i=0; i < sizeof(mifarekeyB); ++i){
1519 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
1520 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1521 }
1522
1523 uint8_t zeros[8] = {0x00};
1524 uint8_t newpwd[8] = {0x00};
1525 uint8_t dmkey[24] = {0x00};
1526 memcpy(dmkey, dkeyA, 8);
1527 memcpy(dmkey+8, dkeyB, 8);
1528 memcpy(dmkey+16, dkeyA, 8);
1529 memset(iv, 0x00, 8);
1530
1531 des3_set3key_enc(&ctx, dmkey);
1532
1533 des3_crypt_cbc(&ctx // des3_context
1534 , DES_ENCRYPT // int mode
1535 , sizeof(newpwd) // length
1536 , iv // iv[8]
1537 , zeros // input
1538 , newpwd // output
1539 );
1540
1541 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1542 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1543 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1544 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1545
1546 return 0;
1547 }
1548
1549 // static uint8_t * diversify_key(uint8_t * key){
1550
1551 // for(int i=0; i<16; i++){
1552 // if(i<=6) key[i]^=cuid[i];
1553 // if(i>6) key[i]^=cuid[i%7];
1554 // }
1555 // return key;
1556 // }
1557
1558 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1559 // for (int i=0; i<len; ++i){
1560
1561 // }
1562 // return;
1563 // }
1564
1565 static command_t CommandTable[] =
1566 {
1567 {"help", CmdHelp, 1, "This help"},
1568 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
1569 {"info", CmdHF14AMfUInfo, 0, "Tag information"},
1570 {"dump", CmdHF14AMfUDump, 0, "Dump Ultralight / Ultralight-C tag to binary file"},
1571 {"rdbl", CmdHF14AMfURdBl, 0, "Read block - Ultralight"},
1572 {"wrbl", CmdHF14AMfUWrBl, 0, "Write block - Ultralight"},
1573 {"crdbl", CmdHF14AMfUCRdBl, 0, "Read block - Ultralight C"},
1574 {"cwrbl", CmdHF14AMfUCWrBl, 0, "Write block - Ultralight C"},
1575 {"cauth", CmdHF14AMfucAuth, 0, "Authentication - Ultralight C"},
1576 {"setpwd", CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1577 {"setuid", CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1578 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1579 {NULL, NULL, 0, NULL}
1580 };
1581
1582 int CmdHFMFUltra(const char *Cmd){
1583 WaitForResponseTimeout(CMD_ACK,NULL,100);
1584 CmdsParse(CommandTable, Cmd);
1585 return 0;
1586 }
1587
1588 int CmdHelp(const char *Cmd){
1589 CmdsHelp(CommandTable);
1590 return 0;
1591 }
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