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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 MY_D = 0x0100,
37 MY_D_NFC = 0x0200,
38 MY_D_MOVE = 0x0400,
39 MY_D_MOVE_NFC = 0x0800,
40 MAGIC = 0x1000,
41 UL_MAGIC = UL | MAGIC,
42 UL_C_MAGIC = UL_C | MAGIC,
43 UL_ERROR = 0xFFFF,
44 } TagTypeUL_t;
45
46 #define KEYS_3DES_COUNT 7
47 uint8_t default_3des_keys[KEYS_3DES_COUNT][16] = {
48 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
49 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
50 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
51 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
52 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
53 { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
54 { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
55 };
56
57 #define KEYS_PWD_COUNT 8
58 uint8_t default_pwd_pack[KEYS_PWD_COUNT][4] = {
59 {0xFF,0xFF,0xFF,0xFF}, // PACK 0x00,0x00 -- factory default
60 {0x4A,0xF8,0x4B,0x19}, // PACK 0xE5,0xBE -- italian bus (sniffed)
61 {0x33,0x6B,0xA1,0x19}, // PACK 0x9c,0x2d -- italian bus (sniffed)
62 {0xFF,0x90,0x6C,0xB2}, // PACK 0x12,0x9e -- italian bus (sniffed)
63 {0x05,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- Amiiboo (sniffed) pikachu-b UID:
64 {0x7E,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- AMiiboo (sniffed)
65 {0x02,0xE1,0xEE,0x36}, // PACK 0x80,0x80 -- AMiiboo (sniffed) sonic UID: 04d257 7ae33e8027
66 {0x32,0x0C,0x16,0x17}, // PACK 0x80,0x80 -- AMiiboo (sniffed)
67
68 };
69
70 static int CmdHelp(const char *Cmd);
71
72 char* getProductTypeStr( uint8_t id){
73
74 static char buf[20];
75 char *retStr = buf;
76
77 switch(id) {
78 case 3:
79 sprintf(retStr, "%02X, %s", id, "Ultralight");
80 break;
81 case 4:
82 sprintf(retStr, "%02X, %s", id, "NTAG");
83 break;
84 default:
85 sprintf(retStr, "%02X, %s", id, "unknown");
86 break;
87 }
88 return buf;
89 }
90
91 /*
92 The 7 MSBits (=n) code the storage size itself based on 2^n,
93 the LSBit is set to '0' if the size is exactly 2^n
94 and set to '1' if the storage size is between 2^n and 2^(n+1).
95 */
96 char* getUlev1CardSizeStr( uint8_t fsize ){
97
98 static char buf[40];
99 char *retStr = buf;
100 memset(buf, 0, sizeof(buf));
101
102 uint16_t usize = 1 << ((fsize >>1) + 1);
103 uint16_t lsize = 1 << (fsize >>1);
104
105 // is LSB set?
106 if ( fsize & 1 )
107 sprintf(retStr, "%02X (%u <-> %u bytes)", fsize, usize, lsize);
108 else
109 sprintf(retStr, "%02X (%u bytes)", fsize, lsize);
110 return buf;
111 }
112
113 static void ul_switch_on_field(void) {
114 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
115 SendCommand(&c);
116 }
117
118 static void ul_switch_off_field(void) {
119 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
120 SendCommand(&c);
121 }
122
123 static int ul_send_cmd_raw( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength ) {
124 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_APPEND_CRC, cmdlen, 0}};
125 memcpy(c.d.asBytes, cmd, cmdlen);
126 SendCommand(&c);
127 UsbCommand resp;
128 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
129 if ( !resp.arg[0] && responseLength) return -1;
130
131 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
132 memcpy(response, resp.d.asBytes, resplen);
133 return resplen;
134 }
135 /*
136 static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength, bool append_crc ) {
137 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT , cmdlen, 0}};
138 if (append_crc)
139 c.arg[0] |= ISO14A_APPEND_CRC;
140
141 memcpy(c.d.asBytes, cmd, cmdlen);
142 SendCommand(&c);
143 UsbCommand resp;
144 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
145 if (!resp.arg[0] && responseLength) return -1;
146
147 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
148 memcpy(response, resp.d.asBytes, resplen );
149 return resplen;
150 }
151 */
152 static int ul_select( iso14a_card_select_t *card ){
153
154 ul_switch_on_field();
155
156 UsbCommand resp;
157 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
158 if (resp.arg[0] < 1) return -1;
159
160 memcpy(card, resp.d.asBytes, sizeof(iso14a_card_select_t));
161 return resp.arg[0];
162 }
163
164 // This read command will at least return 16bytes.
165 static int ul_read( uint8_t page, uint8_t *response, uint16_t responseLength ){
166
167 uint8_t cmd[] = {ISO14443A_CMD_READBLOCK, page};
168 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
169 if ( len == -1 )
170 ul_switch_off_field();
171 return len;
172 }
173
174 static int ul_comp_write( uint8_t page, uint8_t *data, uint8_t datalen ){
175
176 uint8_t cmd[18];
177 memset(cmd, 0x00, sizeof(cmd));
178 datalen = ( datalen > 16) ? 16 : datalen;
179
180 cmd[0] = ISO14443A_CMD_WRITEBLOCK;
181 cmd[1] = page;
182 memcpy(cmd+2, data, datalen);
183
184 uint8_t response[1] = {0xff};
185 int len = ul_send_cmd_raw(cmd, 2+datalen, response, sizeof(response));
186 if ( len == -1 )
187 ul_switch_off_field();
188 // ACK
189 if ( response[0] == 0x0a ) return 0;
190 // NACK
191 return -1;
192 }
193
194 static int ulc_requestAuthentication( uint8_t blockNo, uint8_t *nonce, uint16_t nonceLength ){
195
196 uint8_t cmd[] = {MIFARE_ULC_AUTH_1, blockNo};
197 int len = ul_send_cmd_raw(cmd, sizeof(cmd), nonce, nonceLength);
198 if ( len == -1 )
199 ul_switch_off_field();
200 return len;
201 }
202
203 static int ulev1_requestAuthentication( uint8_t *pwd, uint8_t *pack, uint16_t packLength ){
204
205 uint8_t cmd[] = {MIFARE_ULEV1_AUTH, pwd[0], pwd[1], pwd[2], pwd[3]};
206 int len = ul_send_cmd_raw(cmd, sizeof(cmd), pack, packLength);
207 if ( len == -1)
208 ul_switch_off_field();
209 return len;
210 }
211
212 static int ulev1_getVersion( uint8_t *response, uint16_t responseLength ){
213
214 uint8_t cmd[] = {MIFARE_ULEV1_VERSION};
215 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
216 if ( len == -1 )
217 ul_switch_off_field();
218 return len;
219 }
220
221 // static int ulev1_fastRead( uint8_t startblock, uint8_t endblock, uint8_t *response ){
222
223 // uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
224
225 // if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
226 // ul_switch_off_field();
227 // return -1;
228 // }
229 // return 0;
230 // }
231
232 static int ulev1_readCounter( uint8_t counter, uint8_t *response, uint16_t responseLength ){
233
234 uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
235 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
236 if (len == -1)
237 ul_switch_off_field();
238 return len;
239 }
240
241 static int ulev1_readSignature( uint8_t *response, uint16_t responseLength ){
242
243 uint8_t cmd[] = {MIFARE_ULEV1_READSIG, 0x00};
244 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
245 if (len == -1)
246 ul_switch_off_field();
247 return len;
248 }
249
250 static int ul_print_default( uint8_t *data){
251
252 uint8_t uid[7];
253 uid[0] = data[0];
254 uid[1] = data[1];
255 uid[2] = data[2];
256 uid[3] = data[4];
257 uid[4] = data[5];
258 uid[5] = data[6];
259 uid[6] = data[7];
260
261 PrintAndLog(" UID : %s ", sprint_hex(uid, 7));
262 PrintAndLog(" UID[0] : %02x, Manufacturer: %s", uid[0], getTagInfo(uid[0]) );
263 if ( uid[0] == 0x05 ) {
264 uint8_t chip = (data[8] & 0xC7); // 11000111 mask, bit 3,4,5 RFU
265 switch (chip){
266 case 0xc2: PrintAndLog(" IC type : SLE 66R04P"); break;
267 case 0xc4: PrintAndLog(" IC type : SLE 66R16P"); break;
268 case 0xc6: PrintAndLog(" IC type : SLE 66R32P"); break;
269 }
270 }
271 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
272 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
273 if ( data[3] == crc0 )
274 PrintAndLog(" BCC0 : %02X, Ok", data[3]);
275 else
276 PrintAndLog(" BCC0 : %02X, crc should be %02X", data[3], crc0);
277
278 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
279 if ( data[8] == crc1 )
280 PrintAndLog(" BCC1 : %02X, Ok", data[8]);
281 else
282 PrintAndLog(" BCC1 : %02X, crc should be %02X", data[8], crc1 );
283
284 PrintAndLog(" Internal : %02X, %sdefault", data[9], (data[9]==0x48)?"":"not " );
285 PrintAndLog(" Lock : %s - %s", sprint_hex(data+10, 2),printBits( 2, data+10) );
286
287 // if Page3 has NDEF magic number, its not a OTP..
288 if ( data[12] != 0xE1 )
289 PrintAndLog("OneTimePad : %s\n", sprint_hex(data + 12, 4));
290
291 return 0;
292 }
293
294 static int ntag_print_CC(uint8_t *data) {
295
296 PrintAndLog("\n--- NTAG NDEF Message");
297
298 if(data[0] != 0xe1) {
299 PrintAndLog("no NDEF message found");
300 return -1; // no NDEF message
301 }
302
303 PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
304 PrintAndLog(" %02X: NDEF Magic Number", data[0]);
305 PrintAndLog(" %02X: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
306 PrintAndLog(" %02X: Physical Memory Size: %d bytes", data[2], (data[2] + 1) * 8);
307 if ( data[2] == 0x12 )
308 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 144);
309 else if ( data[2] == 0x3e )
310 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 496);
311 else if ( data[2] == 0x6d )
312 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 872);
313
314 PrintAndLog(" %02X: %s / %s", data[3],
315 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
316 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
317 return 0;
318 }
319
320 static int ul_print_type(uint16_t tagtype){
321 if ( tagtype & UL )
322 PrintAndLog(" TYPE : MIFARE Ultralight (MF0ICU1) %s", (tagtype & MAGIC)?"<magic>":"");
323 else if ( tagtype & UL_C)
324 PrintAndLog(" TYPE : MIFARE Ultralight C (MF0ULC) %s [%x]", (tagtype & MAGIC)?"<magic>":"", tagtype );
325 else if ( tagtype & UL_EV1_48)
326 PrintAndLog(" TYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)");
327 else if ( tagtype & UL_EV1_128)
328 PrintAndLog(" TYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)");
329 else if ( tagtype & NTAG_213 )
330 PrintAndLog(" TYPE : MIFARE NTAG 213 144bytes (NT2H1311G0DU)");
331 else if ( tagtype & NTAG_215 )
332 PrintAndLog(" TYPE : MIFARE NTAG 215 504bytes (NT2H1511G0DU)");
333 else if ( tagtype & NTAG_216 )
334 PrintAndLog(" TYPE : MIFARE NTAG 216 888bytes (NT2H1611G0DU)");
335 else if ( tagtype & MY_D )
336 PrintAndLog(" TYPE : INFINEON my-d\x99");
337 else if ( tagtype & MY_D_NFC )
338 PrintAndLog(" TYPE : INFINEON my-d\x99 NFC");
339 else if ( tagtype & MY_D_MOVE )
340 PrintAndLog(" TYPE : INFINEON my-d\x99 move");
341 else if ( tagtype & MY_D_MOVE_NFC )
342 PrintAndLog(" TYPE : INFINEON my-d\x99 move NFC");
343 else
344 PrintAndLog(" TYPE : Unknown %04x",tagtype);
345 return 0;
346 }
347
348 static int ulc_print_3deskey( uint8_t *data){
349 PrintAndLog(" deskey1 [44/0x2C]: %s [%.4s]", sprint_hex(data ,4),data);
350 PrintAndLog(" deskey1 [45/0x2D]: %s [%.4s]", sprint_hex(data+4 ,4),data+4);
351 PrintAndLog(" deskey2 [46/0x2E]: %s [%.4s]", sprint_hex(data+8 ,4),data+8);
352 PrintAndLog(" deskey2 [47/0x2F]: %s [%.4s]", sprint_hex(data+12,4),data+12);
353
354 PrintAndLog("\n 3des key : %s", sprint_hex(SwapEndian64(data, 16), 16));
355 return 0;
356 }
357
358 static int ulc_print_configuration( uint8_t *data){
359
360 PrintAndLog("--- UL-C Configuration");
361 PrintAndLog(" Higher Lockbits [40/0x28]: %s - %s", sprint_hex(data, 4), printBits(2, data));
362 PrintAndLog(" Counter [41/0x29]: %s - %s", sprint_hex(data+4, 4), printBits(2, data+4));
363
364 bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
365 if ( validAuth )
366 PrintAndLog(" Auth0 [42/0x2A]: %s Pages above %d/0x%02X needs authentication", sprint_hex(data+8, 4), data[8],data[8] );
367 else{
368 if ( data[8] == 0){
369 PrintAndLog(" Auth0 [42/0x2A]: %s default", sprint_hex(data+8, 4) );
370 } else {
371 PrintAndLog(" Auth0 [42/0x2A]: %s auth byte is out-of-range", sprint_hex(data+8, 4) );
372 }
373 }
374 PrintAndLog(" Auth1 [43/0x2B]: %s %s",
375 sprint_hex(data+12, 4),
376 (data[12] & 1) ? "write access restricted": "read and write access restricted"
377 );
378 return 0;
379 }
380
381 static int ulev1_print_configuration( uint8_t *data){
382
383 PrintAndLog("\n--- UL-EV1 Configuration");
384
385 bool strg_mod_en = (data[0] & 2);
386 uint8_t authlim = (data[4] & 0x07);
387 bool cfglck = (data[4] & 0x40);
388 bool prot = (data[4] & 0x80);
389 uint8_t vctid = data[5];
390
391 PrintAndLog(" cfg0 [16/0x10]: %s", sprint_hex(data, 4));
392 if ( data[3] < 0xff )
393 PrintAndLog(" - pages above %d needs authentication",data[3]);
394 else
395 PrintAndLog(" - pages don't need authentication");
396 PrintAndLog(" - strong modulation mode %s", (strg_mod_en) ? "enabled":"disabled");
397 PrintAndLog(" cfg1 [17/0x11]: %s", sprint_hex(data+4, 4) );
398 if ( authlim == 0)
399 PrintAndLog(" - Unlimited password attempts");
400 else
401 PrintAndLog(" - Max number of password attempts is %d", authlim);
402 PrintAndLog(" - user configuration %s", cfglck ? "permanently locked":"writeable");
403 PrintAndLog(" - %s access is protected with password", prot ? "read and write":"write");
404 PrintAndLog(" %02X - Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
405 PrintAndLog(" PWD [18/0x12]: %s", sprint_hex(data+8, 4));
406 PrintAndLog(" PACK [19/0x13]: %s", sprint_hex(data+12, 4));
407 return 0;
408 }
409
410 static int ulev1_print_counters(){
411 PrintAndLog("--- UL-EV1 Counters");
412 uint8_t counter[3] = {0,0,0};
413 for ( uint8_t i = 0; i<3; ++i) {
414 ulev1_readCounter(i,counter, sizeof(counter) );
415 PrintAndLog(" [%0d] : %s", i, sprint_hex(counter,3));
416 }
417 return 0;
418 }
419
420 static int ulev1_print_signature( uint8_t *data, uint8_t len){
421 PrintAndLog("\n--- UL-EV1 Signature");
422 PrintAndLog("IC signature public key name : NXP NTAG21x 2013");
423 PrintAndLog("IC signature public key value : 04494e1a386d3d3cfe3dc10e5de68a499b1c202db5b132393e89ed19fe5be8bc61");
424 PrintAndLog(" Elliptic curve parameters : secp128r1");
425 PrintAndLog(" Tag ECC Signature : %s", sprint_hex(data, len));
426 //to do: verify if signature is valid
427 //PrintAndLog("IC signature status: %s valid", (iseccvalid() )?"":"not");
428 return 0;
429 }
430
431 static int ulev1_print_version(uint8_t *data){
432 PrintAndLog("\n--- UL-EV1 / NTAG Version");
433 PrintAndLog(" Raw bytes : %s", sprint_hex(data, 8) );
434 PrintAndLog(" Vendor ID : %02X, Manufacturer: %s", data[1], getTagInfo(data[1]));
435 PrintAndLog(" Product type : %s" , getProductTypeStr(data[2]));
436 PrintAndLog(" Product subtype : %02X, %s" , data[3], (data[3]==1) ?"17 pF":"50pF");
437 PrintAndLog(" Major version : %02X" , data[4]);
438 PrintAndLog(" Minor version : %02X" , data[5]);
439 PrintAndLog(" Size : %s", getUlev1CardSizeStr(data[6]));
440 PrintAndLog(" Protocol type : %02X" , data[7]);
441 return 0;
442 }
443
444 static int ulc_magic_test(){
445 // Magic Ultralight test
446 // Magic UL-C, by observation,
447 // 1) it seems to have a static nonce response to 0x1A command.
448 // 2) the deskey bytes is not-zero:d out on as datasheet states.
449 // 3) UID - changeable, not only, but pages 0-1-2-3.
450 // 4) use the ul_magic_test ! magic tags answers specially!
451 int returnValue = UL_ERROR;
452 iso14a_card_select_t card;
453 uint8_t nonce1[11] = {0x00};
454 uint8_t nonce2[11] = {0x00};
455 int status = ul_select(&card);
456 if ( status < 1 ){
457 PrintAndLog("Error: couldn't select ulc_magic_test");
458 ul_switch_off_field();
459 return UL_ERROR;
460 }
461 status = ulc_requestAuthentication(0, nonce1, sizeof(nonce1));
462 if ( status > 0 ) {
463 status = ulc_requestAuthentication(0, nonce2, sizeof(nonce2));
464 returnValue = ( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
465 } else {
466 returnValue = UL;
467 }
468 ul_switch_off_field();
469 return returnValue;
470 }
471
472 static int ul_magic_test(){
473
474 // Magic Ultralight tests
475 // 1) take present UID, and try to write it back. OBSOLETE
476 // 2) make a wrong length write to page0, and see if tag answers with ACK/NACK:
477 iso14a_card_select_t card;
478 int status = ul_select(&card);
479 if ( status < 1 ){
480 PrintAndLog("Error: couldn't select ul_magic_test");
481 ul_switch_off_field();
482 return UL_ERROR;
483 }
484 status = ul_comp_write(0, NULL, 0);
485 ul_switch_off_field();
486 if ( status == 0)
487 return UL_MAGIC;
488 return UL;
489 }
490
491 uint16_t GetHF14AMfU_Type(void){
492
493 TagTypeUL_t tagtype = UNKNOWN;
494 iso14a_card_select_t card;
495 uint8_t version[10] = {0x00};
496 int status = 0;
497 int len;
498
499 status = ul_select(&card);
500 if ( status < 1 ){
501 PrintAndLog("Error: couldn't select");
502 ul_switch_off_field();
503 return UL_ERROR;
504 }
505 // Ultralight - ATQA / SAK
506 if ( card.atqa[1] != 0x00 || card.atqa[0] != 0x44 || card.sak != 0x00 ) {
507 PrintAndLog("Tag is not Ultralight | NTAG | MY-D [ATQA: %02X %02x SAK: %02X]\n", card.atqa[1], card.atqa[0], card.sak);
508 ul_switch_off_field();
509 return UL_ERROR;
510 }
511
512 if ( card.uid[0] != 0x05) {
513
514 len = ulev1_getVersion(version, sizeof(version));
515 if (len > -1) ul_switch_off_field(); //if -1 it is already off
516
517 switch (len) {
518 case 0x0A: {
519
520 if ( version[2] == 0x03 && version[6] == 0x0B )
521 tagtype = UL_EV1_48;
522 else if ( version[2] == 0x03 && version[6] != 0x0B )
523 tagtype = UL_EV1_128;
524 else if ( version[2] == 0x04 && version[6] == 0x0F )
525 tagtype = NTAG_213;
526 else if ( version[2] == 0x04 && version[6] == 0x11 )
527 tagtype = NTAG_215;
528 else if ( version[2] == 0x04 && version[6] == 0x13 )
529 tagtype = NTAG_216;
530 else if ( version[2] == 0x04 )
531 tagtype = NTAG;
532
533 break;
534 }
535 case 0x01: tagtype = UL_C; break;
536 case 0x00: tagtype = UL; break;
537 case -1 : tagtype = (UL | UL_C); break; //when does this happen? -- if getversion fails, it assumes it is either UL/ULC
538 default : tagtype = UNKNOWN; break;
539 }
540 }
541 else {
542 // Infinition MY-D tests Exam high nibble
543 uint8_t nib = (card.uid[1] & 0xf0) >> 4;
544 switch ( nib ){
545 case 1: tagtype = MY_D; break;
546 case 2: tagtype = (MY_D | MY_D_NFC); break;
547 case 3: tagtype = (MY_D_MOVE | MY_D_MOVE_NFC); break;
548 }
549 }
550
551 if ((tagtype & ( UL_C | UL ))) tagtype = ulc_magic_test();
552 if ( (tagtype & UL) ) tagtype = ul_magic_test();
553
554 return tagtype;
555 }
556
557 int CmdHF14AMfUInfo(const char *Cmd){
558
559 uint8_t authlim = 0xff;
560 uint8_t data[16] = {0x00};
561 iso14a_card_select_t card;
562 uint8_t *key;
563 int status;
564
565 TagTypeUL_t tagtype = GetHF14AMfU_Type();
566 if (tagtype == UL_ERROR) return -1;
567
568 PrintAndLog("\n--- Tag Information ---------");
569 PrintAndLog("-------------------------------------------------------------");
570
571 ul_print_type(tagtype);
572
573 status = ul_select(&card);
574 if ( status < 1 ){
575 PrintAndLog("Error: couldn't select");
576 ul_switch_off_field();
577 return status;
578 }
579
580 // read pages 0,1,2,3 (should read 4pages)
581 status = ul_read(0, data, sizeof(data));
582 if ( status == -1 ){
583 PrintAndLog("Error: tag didn't answer to READ A");
584 ul_switch_off_field();
585 return status;
586 }
587
588 ul_print_default(data);
589
590 if ((tagtype & UL_C)){
591
592 // read pages 0x28, 0x29, 0x2A, 0x2B
593 uint8_t ulc_conf[16] = {0x00};
594 status = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
595 if ( status == -1 ){
596 PrintAndLog("Error: tag didn't answer to READ - possibly locked");
597 ul_switch_off_field();
598 return status;
599 }
600
601 ulc_print_configuration(ulc_conf);
602
603 if ((tagtype & MAGIC)){
604
605 uint8_t ulc_deskey[16] = {0x00};
606 status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
607 if ( status == -1 ){
608 PrintAndLog("Error: tag didn't answer to READ magic");
609 ul_switch_off_field();
610 return status;
611 }
612 ulc_print_3deskey(ulc_deskey);
613
614 } else {
615 PrintAndLog("Trying some default 3des keys");
616 ul_switch_off_field();
617 for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ){
618 key = default_3des_keys[i];
619 if (try3DesAuthentication(key) == 1){
620 PrintAndLog("Found default 3des key: "); //%s", sprint_hex(key,16));
621 ulc_print_3deskey(SwapEndian64(key,16));
622 return 0;
623 }
624 }
625 }
626 }
627
628 if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
629
630 ulev1_print_counters();
631
632 uint8_t ulev1_signature[32] = {0x00};
633 status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
634 if ( status == -1 ){
635 PrintAndLog("Error: tag didn't answer to READ SIGNATURE");
636 ul_switch_off_field();
637 return status;
638 }
639 ulev1_print_signature( ulev1_signature, sizeof(ulev1_signature));
640
641 uint8_t startconfigblock = (tagtype & UL_EV1_48) ? 0x10 : 0x25;
642 uint8_t ulev1_conf[16] = {0x00};
643 status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
644 if ( status == -1 ){
645 PrintAndLog("Error: tag didn't answer to READ - possibly locked");
646 ul_switch_off_field();
647 //return status;
648 }
649 // save AUTHENTICATION LIMITS for later:
650 authlim = (ulev1_conf[4] & 0x07);
651 ulev1_print_configuration(ulev1_conf);
652 }
653
654 if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216))) {
655
656 uint8_t version[10] = {0x00};
657 status = ulev1_getVersion(version, sizeof(version));
658 if ( status == -1 ){
659 PrintAndLog("Error: tag didn't answer to GET_VERSION");
660 ul_switch_off_field();
661 return status;
662 }
663 ulev1_print_version(version);
664
665 // AUTHLIMIT, (number of failed authentications)
666 // 0 = limitless.
667 // 1-7 = ... should we even try then?
668 authlim = 1;
669 if ( authlim == 0 ){
670 PrintAndLog("\n--- Known EV1/NTAG passwords.");
671
672 uint8_t pack[4] = {0,0,0,0};
673
674 for (uint8_t i = 0; i < KEYS_PWD_COUNT; ++i ){
675 key = default_pwd_pack[i];
676 if ( ulev1_requestAuthentication(key, pack, sizeof(pack)) > -1 ){
677 PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
678 }
679 }
680 ul_switch_off_field();
681 }
682 }
683
684 if ((tagtype & (NTAG_213 | NTAG_215 | NTAG_216))){
685
686 uint8_t cc[16] = {0x00};
687 status = ul_read(3, cc, sizeof(cc));
688 if ( status == -1 ){
689 PrintAndLog("Error: tag didn't answer to READ ntag");
690 ul_switch_off_field();
691 return status;
692 }
693 ntag_print_CC(cc);
694 }
695
696 ul_switch_off_field();
697 PrintAndLog("");
698 return 0;
699 }
700
701 //
702 // Mifare Ultralight Write Single Block
703 //
704 int CmdHF14AMfUWrBl(const char *Cmd){
705 uint8_t blockNo = -1;
706 bool chinese_card = FALSE;
707 uint8_t bldata[16] = {0x00};
708 UsbCommand resp;
709
710 char cmdp = param_getchar(Cmd, 0);
711 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
712 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
713 PrintAndLog(" [block number]");
714 PrintAndLog(" [block data] - (8 hex symbols)");
715 PrintAndLog(" [w] - Chinese magic ultralight tag");
716 PrintAndLog("");
717 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
718 PrintAndLog("");
719 return 0;
720 }
721
722 blockNo = param_get8(Cmd, 0);
723
724 if (blockNo > MAX_UL_BLOCKS){
725 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
726 return 1;
727 }
728
729 if (param_gethex(Cmd, 1, bldata, 8)) {
730 PrintAndLog("Block data must include 8 HEX symbols");
731 return 1;
732 }
733
734 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
735 chinese_card = TRUE;
736 }
737
738 if ( blockNo <= 3) {
739 if (!chinese_card){
740 PrintAndLog("Access Denied");
741 } else {
742 PrintAndLog("--specialblock no:%02x", blockNo);
743 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
744 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
745 memcpy(d.d.asBytes,bldata, 4);
746 SendCommand(&d);
747 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
748 uint8_t isOK = resp.arg[0] & 0xff;
749 PrintAndLog("isOk:%02x", isOK);
750 } else {
751 PrintAndLog("Command execute timeout");
752 }
753 }
754 } else {
755 PrintAndLog("--block no:%02x", blockNo);
756 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
757 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
758 memcpy(e.d.asBytes,bldata, 4);
759 SendCommand(&e);
760 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
761 uint8_t isOK = resp.arg[0] & 0xff;
762 PrintAndLog("isOk:%02x", isOK);
763 } else {
764 PrintAndLog("Command execute timeout");
765 }
766 }
767 return 0;
768 }
769
770 //
771 // Mifare Ultralight Read Single Block
772 //
773 int CmdHF14AMfURdBl(const char *Cmd){
774
775 UsbCommand resp;
776 uint8_t blockNo = -1;
777 char cmdp = param_getchar(Cmd, 0);
778
779 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
780 PrintAndLog("Usage: hf mfu rdbl <block number>");
781 PrintAndLog(" sample: hfu mfu rdbl 0");
782 return 0;
783 }
784
785 blockNo = param_get8(Cmd, 0);
786
787 if (blockNo > MAX_UL_BLOCKS){
788 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
789 return 1;
790 }
791
792 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
793 SendCommand(&c);
794
795
796 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
797 uint8_t isOK = resp.arg[0] & 0xff;
798 if (isOK) {
799 uint8_t *data = resp.d.asBytes;
800 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
801 }
802 else {
803 PrintAndLog("Failed reading block: (%02x)", isOK);
804 }
805 } else {
806 PrintAndLog("Command execute time-out");
807 }
808
809 return 0;
810 }
811
812 int usage_hf_mfu_dump(void)
813 {
814 PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
815 PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
816 PrintAndLog("It autodetects card type.\n");
817 PrintAndLog("Usage: hf mfu dump k <key> n <filename w/o .bin>");
818 PrintAndLog(" Options : ");
819 PrintAndLog(" k <key> : Enter key for authentication");
820 PrintAndLog(" n <FN > : Enter filename w/o .bin to save the dump as");
821 PrintAndLog(" s : Swap entered key's endianness for auth");
822 PrintAndLog("");
823 PrintAndLog(" sample : hf mfu dump");
824 PrintAndLog(" : hf mfu dump n myfile");
825 return 0;
826 }
827 //
828 // Mifare Ultralight / Ultralight-C / Ultralight-EV1
829 // Read and Dump Card Contents, using auto detection of tag size.
830 //
831 // TODO: take a password to read UL-C / UL-EV1 tags.
832 int CmdHF14AMfUDump(const char *Cmd){
833
834 FILE *fout;
835 char filename[FILE_PATH_SIZE] = {0x00};
836 char * fnameptr = filename;
837 char* str = "Dumping Ultralight%s%s Card Data...";
838 uint8_t *lockbytes_t = NULL;
839 uint8_t lockbytes[2] = {0x00};
840 uint8_t *lockbytes_t2 = NULL;
841 uint8_t lockbytes2[2] = {0x00};
842 bool bit[16] = {0x00};
843 bool bit2[16] = {0x00};
844 uint8_t data[1024] = {0x00};
845 bool hasPwd = false;
846 int i = 0;
847 int Pages = 16;
848 bool tmplockbit = false;
849 uint8_t dataLen=0;
850 uint8_t cmdp =0;
851 uint8_t key[16] = {0x00};
852 uint8_t *keyPtr = key;
853 size_t fileNlen = 0;
854 bool errors = false;
855 bool swapEndian = false;
856
857 while(param_getchar(Cmd, cmdp) != 0x00)
858 {
859 switch(param_getchar(Cmd, cmdp))
860 {
861 case 'h':
862 case 'H':
863 return usage_hf_mfu_dump();
864 case 'k':
865 case 'K':
866 dataLen = param_gethex(Cmd, cmdp+1, data, 32);
867 if (dataLen) {
868 errors = true;
869 } else {
870 memcpy(key, data, 16);
871 }
872 cmdp += 2;
873 hasPwd = true;
874 break;
875 case 'n':
876 case 'N':
877 fileNlen = param_getstr(Cmd, cmdp+1, filename);
878 if (!fileNlen) errors = true;
879 if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
880 cmdp += 2;
881 break;
882 case 's':
883 swapEndian = true;
884 cmdp++;
885 break;
886 default:
887 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
888 errors = true;
889 break;
890 }
891 if(errors) break;
892 }
893
894 //Validations
895 if(errors) return usage_hf_mfu_dump();
896
897 if (swapEndian)
898 keyPtr = SwapEndian64(data, 16);
899
900 TagTypeUL_t tagtype = GetHF14AMfU_Type();
901 if (tagtype == UL_ERROR) return -1;
902
903 if ( tagtype & UL ) {
904 Pages = 16;
905 PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" );
906 }
907 else if ( tagtype & UL_C ) {
908 Pages = 44;
909 PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" );
910 }
911 else if ( tagtype & UL_EV1_48 ) {
912 Pages = 18;
913 PrintAndLog(str," EV1_48","");
914 }
915 else if ( tagtype & UL_EV1_128 ) {
916 Pages = 32;
917 PrintAndLog(str," EV1_128","");
918 } else {
919 Pages = 16;
920 PrintAndLog("Dumping unknown Ultralight, using default values.");
921 }
922
923 UsbCommand c = {CMD_MIFAREUC_READCARD, {0,Pages}};
924 if ( hasPwd ) {
925 c.arg[2] = 1;
926 memcpy(c.d.asBytes, key, 16);
927 }
928 SendCommand(&c);
929 UsbCommand resp;
930 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
931 PrintAndLog("Command execute time-out");
932 return 1;
933 }
934 PrintAndLog ("%u,%u",resp.arg[0],resp.arg[1]);
935 uint8_t isOK = resp.arg[0] & 0xff;
936 if (isOK) {
937 memcpy(data, resp.d.asBytes, resp.arg[1]);
938 } else {
939 PrintAndLog("Failed reading block: (%02x)", i);
940 return 1;
941 }
942
943 // Load lock bytes.
944 int j = 0;
945
946 lockbytes_t = data + 8;
947 lockbytes[0] = lockbytes_t[2];
948 lockbytes[1] = lockbytes_t[3];
949 for(j = 0; j < 16; j++){
950 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
951 }
952
953 // Load bottom lockbytes if available
954 if ( Pages == 44 ) {
955 lockbytes_t2 = data + (40*4);
956 lockbytes2[0] = lockbytes_t2[2];
957 lockbytes2[1] = lockbytes_t2[3];
958 for (j = 0; j < 16; j++) {
959 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
960 }
961 }
962
963 // add keys
964 if (hasPwd){
965 memcpy(data + Pages*4, key, 16);
966 Pages += 4;
967 }
968 for (i = 0; i < Pages; ++i) {
969 if ( i < 3 ) {
970 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
971 continue;
972 }
973 switch(i){
974 case 3: tmplockbit = bit[4]; break;
975 case 4: tmplockbit = bit[3]; break;
976 case 5: tmplockbit = bit[2]; break;
977 case 6: tmplockbit = bit[1]; break;
978 case 7: tmplockbit = bit[0]; break;
979 case 8: tmplockbit = bit[15]; break;
980 case 9: tmplockbit = bit[14]; break;
981 case 10: tmplockbit = bit[13]; break;
982 case 11: tmplockbit = bit[12]; break;
983 case 12: tmplockbit = bit[11]; break;
984 case 13: tmplockbit = bit[10]; break;
985 case 14: tmplockbit = bit[9]; break;
986 case 15: tmplockbit = bit[8]; break;
987 case 16:
988 case 17:
989 case 18:
990 case 19: tmplockbit = bit2[6]; break;
991 case 20:
992 case 21:
993 case 22:
994 case 23: tmplockbit = bit2[5]; break;
995 case 24:
996 case 25:
997 case 26:
998 case 27: tmplockbit = bit2[4]; break;
999 case 28:
1000 case 29:
1001 case 30:
1002 case 31: tmplockbit = bit2[2]; break;
1003 case 32:
1004 case 33:
1005 case 34:
1006 case 35: tmplockbit = bit2[1]; break;
1007 case 36:
1008 case 37:
1009 case 38:
1010 case 39: tmplockbit = bit2[0]; break;
1011 case 40: tmplockbit = bit2[12]; break;
1012 case 41: tmplockbit = bit2[11]; break;
1013 case 42: tmplockbit = bit2[10]; break; //auth0
1014 case 43: tmplockbit = bit2[9]; break; //auth1
1015 default: break;
1016 }
1017 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
1018 }
1019
1020 // user supplied filename?
1021 if (fileNlen < 1) {
1022 // UID = data 0-1-2 4-5-6-7 (skips a beat)
1023 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
1024 data[0], data[1], data[2], data[4], data[5], data[6], data[7]);
1025 } else {
1026 sprintf(fnameptr + fileNlen," .bin");
1027 }
1028
1029 if ((fout = fopen(filename,"wb")) == NULL) {
1030 PrintAndLog("Could not create file name %s", filename);
1031 return 1;
1032 }
1033 fwrite( data, 1, Pages*4, fout );
1034 fclose(fout);
1035
1036 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
1037 return 0;
1038 }
1039
1040 // Needed to Authenticate to Ultralight C tags
1041 void rol (uint8_t *data, const size_t len){
1042 uint8_t first = data[0];
1043 for (size_t i = 0; i < len-1; i++) {
1044 data[i] = data[i+1];
1045 }
1046 data[len-1] = first;
1047 }
1048
1049 //-------------------------------------------------------------------------------
1050 // Ultralight C Methods
1051 //-------------------------------------------------------------------------------
1052
1053 //
1054 // Ultralight C Authentication Demo {currently uses hard-coded key}
1055 //
1056 int CmdHF14AMfucAuth(const char *Cmd){
1057
1058 uint8_t keyNo = 0;
1059 bool errors = false;
1060
1061 char cmdp = param_getchar(Cmd, 0);
1062
1063 //Change key to user defined one
1064 if (cmdp == 'k' || cmdp == 'K'){
1065 keyNo = param_get8(Cmd, 1);
1066 if(keyNo > KEYS_3DES_COUNT)
1067 errors = true;
1068 }
1069
1070 if (cmdp == 'h' || cmdp == 'H')
1071 errors = true;
1072
1073 if (errors) {
1074 PrintAndLog("Usage: hf mfu cauth k <key number>");
1075 PrintAndLog(" 0 (default): 3DES standard key");
1076 PrintAndLog(" 1 : all 0x00 key");
1077 PrintAndLog(" 2 : 0x00-0x0F key");
1078 PrintAndLog(" 3 : nfc key");
1079 PrintAndLog(" 4 : all 0x01 key");
1080 PrintAndLog(" 5 : all 0xff key");
1081 PrintAndLog(" 6 : 0x00-0xFF key");
1082 PrintAndLog("\n sample : hf mfu cauth k");
1083 PrintAndLog(" : hf mfu cauth k 3");
1084 return 0;
1085 }
1086
1087 uint8_t *key = default_3des_keys[keyNo];
1088 if (try3DesAuthentication(key)>0)
1089 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
1090 else
1091 PrintAndLog("Authentication failed");
1092
1093 return 0;
1094 }
1095
1096 int try3DesAuthentication( uint8_t *key){
1097
1098 uint8_t blockNo = 0;
1099 uint32_t cuid = 0;
1100
1101 des3_context ctx = { 0 };
1102
1103 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
1104 uint8_t random_b[8] = { 0 };
1105 uint8_t enc_random_b[8] = { 0 };
1106 uint8_t rnd_ab[16] = { 0 };
1107 uint8_t iv[8] = { 0 };
1108
1109 UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
1110 SendCommand(&c);
1111 UsbCommand resp;
1112 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
1113 if ( !(resp.arg[0] & 0xff) ) return -2;
1114
1115 cuid = resp.arg[1];
1116 memcpy(enc_random_b,resp.d.asBytes+1,8);
1117
1118 des3_set2key_dec(&ctx, key);
1119 // context, mode, length, IV, input, output
1120 des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
1121
1122 rol(random_b,8);
1123 memcpy(rnd_ab ,random_a,8);
1124 memcpy(rnd_ab+8,random_b,8);
1125
1126 //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8));
1127 //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8));
1128 //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8));
1129 //PrintAndLog(" A+B :%s", sprint_hex(rnd_ab, 16));
1130
1131 des3_set2key_enc(&ctx, key);
1132 // context, mode, length, IV, input, output
1133 des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
1134
1135 //Auth2
1136 c.cmd = CMD_MIFAREUC_AUTH2;
1137 c.arg[0] = cuid;
1138 memcpy(c.d.asBytes, rnd_ab, 16);
1139 SendCommand(&c);
1140
1141 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
1142 if ( !(resp.arg[0] & 0xff)) return -2;
1143
1144 uint8_t enc_resp[8] = { 0 };
1145 uint8_t resp_random_a[8] = { 0 };
1146 memcpy(enc_resp, resp.d.asBytes+1, 8);
1147
1148 des3_set2key_dec(&ctx, key);
1149 // context, mode, length, IV, input, output
1150 des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
1151
1152 //PrintAndLog(" enc(A+B) :%s", sprint_hex(rnd_ab, 16));
1153 //PrintAndLog(" enc(RndA') :%s", sprint_hex(enc_resp, 8));
1154
1155 if ( !memcmp(resp_random_a, random_a, 8))
1156 return 1;
1157 return 0;
1158 }
1159
1160 /**
1161 A test function to validate that the polarssl-function works the same
1162 was as the openssl-implementation.
1163 Commented out, since it requires openssl
1164
1165 int CmdTestDES(const char * cmd)
1166 {
1167 uint8_t key[16] = {0x00};
1168
1169 memcpy(key,key3_3des_data,16);
1170 DES_cblock RndA, RndB;
1171
1172 PrintAndLog("----------OpenSSL DES implementation----------");
1173 {
1174 uint8_t e_RndB[8] = {0x00};
1175 unsigned char RndARndB[16] = {0x00};
1176
1177 DES_cblock iv = { 0 };
1178 DES_key_schedule ks1,ks2;
1179 DES_cblock key1,key2;
1180
1181 memcpy(key,key3_3des_data,16);
1182 memcpy(key1,key,8);
1183 memcpy(key2,key+8,8);
1184
1185
1186 DES_set_key((DES_cblock *)key1,&ks1);
1187 DES_set_key((DES_cblock *)key2,&ks2);
1188
1189 DES_random_key(&RndA);
1190 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
1191 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
1192 //void DES_ede2_cbc_encrypt(const unsigned char *input,
1193 // unsigned char *output, long length, DES_key_schedule *ks1,
1194 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
1195 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
1196
1197 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
1198 rol(RndB,8);
1199 memcpy(RndARndB,RndA,8);
1200 memcpy(RndARndB+8,RndB,8);
1201 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
1202 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
1203 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
1204
1205 }
1206 PrintAndLog("----------PolarSSL implementation----------");
1207 {
1208 uint8_t random_a[8] = { 0 };
1209 uint8_t enc_random_a[8] = { 0 };
1210 uint8_t random_b[8] = { 0 };
1211 uint8_t enc_random_b[8] = { 0 };
1212 uint8_t random_a_and_b[16] = { 0 };
1213 des3_context ctx = { 0 };
1214
1215 memcpy(random_a, RndA,8);
1216
1217 uint8_t output[8] = { 0 };
1218 uint8_t iv[8] = { 0 };
1219
1220 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
1221 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
1222
1223 des3_set2key_dec(&ctx, key);
1224
1225 des3_crypt_cbc(&ctx // des3_context *ctx
1226 , DES_DECRYPT // int mode
1227 , sizeof(random_b) // size_t length
1228 , iv // unsigned char iv[8]
1229 , enc_random_b // const unsigned char *input
1230 , random_b // unsigned char *output
1231 );
1232
1233 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
1234
1235 rol(random_b,8);
1236 memcpy(random_a_and_b ,random_a,8);
1237 memcpy(random_a_and_b+8,random_b,8);
1238
1239 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
1240
1241 des3_set2key_enc(&ctx, key);
1242
1243 des3_crypt_cbc(&ctx // des3_context *ctx
1244 , DES_ENCRYPT // int mode
1245 , sizeof(random_a_and_b) // size_t length
1246 , enc_random_b // unsigned char iv[8]
1247 , random_a_and_b // const unsigned char *input
1248 , random_a_and_b // unsigned char *output
1249 );
1250
1251 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
1252 }
1253 return 0;
1254 }
1255 **/
1256
1257 //
1258 // Ultralight C Read Single Block
1259 //
1260 int CmdHF14AMfUCRdBl(const char *Cmd)
1261 {
1262 UsbCommand resp;
1263 bool hasPwd = FALSE;
1264 uint8_t blockNo = -1;
1265 uint8_t key[16];
1266 char cmdp = param_getchar(Cmd, 0);
1267
1268 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
1269 PrintAndLog("Usage: hf mfu crdbl <block number> <key>");
1270 PrintAndLog("");
1271 PrintAndLog("sample: hf mfu crdbl 0");
1272 PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
1273 return 0;
1274 }
1275
1276 blockNo = param_get8(Cmd, 0);
1277 if (blockNo < 0) {
1278 PrintAndLog("Wrong block number");
1279 return 1;
1280 }
1281
1282 if (blockNo > MAX_ULC_BLOCKS ){
1283 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
1284 return 1;
1285 }
1286
1287 // key
1288 if ( strlen(Cmd) > 3){
1289 if (param_gethex(Cmd, 1, key, 32)) {
1290 PrintAndLog("Key must include %d HEX symbols", 32);
1291 return 1;
1292 } else {
1293 hasPwd = TRUE;
1294 }
1295 }
1296
1297 //Read Block
1298 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
1299 if ( hasPwd ) {
1300 c.arg[1] = 1;
1301 memcpy(c.d.asBytes,key,16);
1302 }
1303 SendCommand(&c);
1304
1305 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1306 uint8_t isOK = resp.arg[0] & 0xff;
1307 if (isOK) {
1308 uint8_t *data = resp.d.asBytes;
1309 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
1310 }
1311 else {
1312 PrintAndLog("Failed reading block: (%02x)", isOK);
1313 }
1314 } else {
1315 PrintAndLog("Command execute time-out");
1316 }
1317 return 0;
1318 }
1319
1320 //
1321 // Mifare Ultralight C Write Single Block
1322 //
1323 int CmdHF14AMfUCWrBl(const char *Cmd){
1324
1325 uint8_t blockNo = -1;
1326 bool chinese_card = FALSE;
1327 uint8_t bldata[16] = {0x00};
1328 UsbCommand resp;
1329
1330 char cmdp = param_getchar(Cmd, 0);
1331
1332 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
1333 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
1334 PrintAndLog(" [block number]");
1335 PrintAndLog(" [block data] - (8 hex symbols)");
1336 PrintAndLog(" [w] - Chinese magic ultralight tag");
1337 PrintAndLog("");
1338 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
1339 PrintAndLog("");
1340 return 0;
1341 }
1342
1343 blockNo = param_get8(Cmd, 0);
1344 if (blockNo > MAX_ULC_BLOCKS ){
1345 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
1346 return 1;
1347 }
1348
1349 if (param_gethex(Cmd, 1, bldata, 8)) {
1350 PrintAndLog("Block data must include 8 HEX symbols");
1351 return 1;
1352 }
1353
1354 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
1355 chinese_card = TRUE;
1356 }
1357
1358 if ( blockNo <= 3 ) {
1359 if (!chinese_card){
1360 PrintAndLog("Access Denied");
1361 return 1;
1362 } else {
1363 PrintAndLog("--Special block no: 0x%02x", blockNo);
1364 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1365 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
1366 memcpy(d.d.asBytes,bldata, 4);
1367 SendCommand(&d);
1368 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1369 uint8_t isOK = resp.arg[0] & 0xff;
1370 PrintAndLog("isOk:%02x", isOK);
1371 } else {
1372 PrintAndLog("Command execute timeout");
1373 return 1;
1374 }
1375 }
1376 } else {
1377 PrintAndLog("--Block no : 0x%02x", blockNo);
1378 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1379 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
1380 memcpy(e.d.asBytes,bldata, 4);
1381 SendCommand(&e);
1382 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1383 uint8_t isOK = resp.arg[0] & 0xff;
1384 PrintAndLog("isOk : %02x", isOK);
1385 } else {
1386 PrintAndLog("Command execute timeout");
1387 return 1;
1388 }
1389 }
1390 return 0;
1391 }
1392
1393 //
1394 // Mifare Ultralight C - Set password
1395 //
1396 int CmdHF14AMfucSetPwd(const char *Cmd){
1397
1398 uint8_t pwd[16] = {0x00};
1399
1400 char cmdp = param_getchar(Cmd, 0);
1401
1402 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1403 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
1404 PrintAndLog(" [password] - (32 hex symbols)");
1405 PrintAndLog("");
1406 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
1407 PrintAndLog("");
1408 return 0;
1409 }
1410
1411 if (param_gethex(Cmd, 0, pwd, 32)) {
1412 PrintAndLog("Password must include 32 HEX symbols");
1413 return 1;
1414 }
1415
1416 UsbCommand c = {CMD_MIFAREUC_SETPWD};
1417 memcpy( c.d.asBytes, pwd, 16);
1418 SendCommand(&c);
1419
1420 UsbCommand resp;
1421
1422 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1423 if ( (resp.arg[0] & 0xff) == 1)
1424 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
1425 else{
1426 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
1427 return 1;
1428 }
1429 }
1430 else {
1431 PrintAndLog("command execution time out");
1432 return 1;
1433 }
1434
1435 return 0;
1436 }
1437
1438 //
1439 // Magic UL / UL-C tags - Set UID
1440 //
1441 int CmdHF14AMfucSetUid(const char *Cmd){
1442
1443 UsbCommand c;
1444 UsbCommand resp;
1445 uint8_t uid[7] = {0x00};
1446 char cmdp = param_getchar(Cmd, 0);
1447
1448 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1449 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
1450 PrintAndLog(" [uid] - (14 hex symbols)");
1451 PrintAndLog("\nThis only works for Magic Ultralight tags.");
1452 PrintAndLog("");
1453 PrintAndLog("sample: hf mfu setuid 11223344556677");
1454 PrintAndLog("");
1455 return 0;
1456 }
1457
1458 if (param_gethex(Cmd, 0, uid, 14)) {
1459 PrintAndLog("UID must include 14 HEX symbols");
1460 return 1;
1461 }
1462
1463 // read block2.
1464 c.cmd = CMD_MIFAREU_READBL;
1465 c.arg[0] = 2;
1466 SendCommand(&c);
1467 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1468 PrintAndLog("Command execute timeout");
1469 return 2;
1470 }
1471
1472 // save old block2.
1473 uint8_t oldblock2[4] = {0x00};
1474 memcpy(resp.d.asBytes, oldblock2, 4);
1475
1476 // block 0.
1477 c.cmd = CMD_MIFAREU_WRITEBL;
1478 c.arg[0] = 0;
1479 c.d.asBytes[0] = uid[0];
1480 c.d.asBytes[1] = uid[1];
1481 c.d.asBytes[2] = uid[2];
1482 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
1483 SendCommand(&c);
1484 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1485 PrintAndLog("Command execute timeout");
1486 return 3;
1487 }
1488
1489 // block 1.
1490 c.arg[0] = 1;
1491 c.d.asBytes[0] = uid[3];
1492 c.d.asBytes[1] = uid[4];
1493 c.d.asBytes[2] = uid[5];
1494 c.d.asBytes[3] = uid[6];
1495 SendCommand(&c);
1496 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1497 PrintAndLog("Command execute timeout");
1498 return 4;
1499 }
1500
1501 // block 2.
1502 c.arg[0] = 2;
1503 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
1504 c.d.asBytes[1] = oldblock2[1];
1505 c.d.asBytes[2] = oldblock2[2];
1506 c.d.asBytes[3] = oldblock2[3];
1507 SendCommand(&c);
1508 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1509 PrintAndLog("Command execute timeout");
1510 return 5;
1511 }
1512
1513 return 0;
1514 }
1515
1516 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
1517
1518 uint8_t iv[8] = { 0x00 };
1519 uint8_t block = 0x07;
1520
1521 // UL-EV1
1522 //04 57 b6 e2 05 3f 80 UID
1523 //4a f8 4b 19 PWD
1524 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
1525 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
1526 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
1527 uint8_t dkeyA[8] = { 0x00 };
1528 uint8_t dkeyB[8] = { 0x00 };
1529
1530 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
1531
1532 uint8_t mix[8] = { 0x00 };
1533 uint8_t divkey[8] = { 0x00 };
1534
1535 memcpy(mix, mifarekeyA, 4);
1536
1537 mix[4] = mifarekeyA[4] ^ uid[0];
1538 mix[5] = mifarekeyA[5] ^ uid[1];
1539 mix[6] = block ^ uid[2];
1540 mix[7] = uid[3];
1541
1542 des3_context ctx = { 0x00 };
1543 des3_set2key_enc(&ctx, masterkey);
1544
1545 des3_crypt_cbc(&ctx // des3_context
1546 , DES_ENCRYPT // int mode
1547 , sizeof(mix) // length
1548 , iv // iv[8]
1549 , mix // input
1550 , divkey // output
1551 );
1552
1553 PrintAndLog("3DES version");
1554 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1555 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
1556 PrintAndLog("Sector :\t %0d", block);
1557 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1558 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
1559 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1560
1561 PrintAndLog("\n DES version");
1562
1563 for (int i=0; i < sizeof(mifarekeyA); ++i){
1564 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1565 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
1566 }
1567
1568 for (int i=0; i < sizeof(mifarekeyB); ++i){
1569 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
1570 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1571 }
1572
1573 uint8_t zeros[8] = {0x00};
1574 uint8_t newpwd[8] = {0x00};
1575 uint8_t dmkey[24] = {0x00};
1576 memcpy(dmkey, dkeyA, 8);
1577 memcpy(dmkey+8, dkeyB, 8);
1578 memcpy(dmkey+16, dkeyA, 8);
1579 memset(iv, 0x00, 8);
1580
1581 des3_set3key_enc(&ctx, dmkey);
1582
1583 des3_crypt_cbc(&ctx // des3_context
1584 , DES_ENCRYPT // int mode
1585 , sizeof(newpwd) // length
1586 , iv // iv[8]
1587 , zeros // input
1588 , newpwd // output
1589 );
1590
1591 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1592 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1593 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1594 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1595
1596 return 0;
1597 }
1598
1599 // static uint8_t * diversify_key(uint8_t * key){
1600
1601 // for(int i=0; i<16; i++){
1602 // if(i<=6) key[i]^=cuid[i];
1603 // if(i>6) key[i]^=cuid[i%7];
1604 // }
1605 // return key;
1606 // }
1607
1608 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1609 // for (int i=0; i<len; ++i){
1610
1611 // }
1612 // return;
1613 // }
1614
1615 static command_t CommandTable[] =
1616 {
1617 {"help", CmdHelp, 1, "This help"},
1618 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
1619 {"info", CmdHF14AMfUInfo, 0, "Tag information"},
1620 {"dump", CmdHF14AMfUDump, 0, "Dump Ultralight / Ultralight-C tag to binary file"},
1621 {"rdbl", CmdHF14AMfURdBl, 0, "Read block - Ultralight"},
1622 {"wrbl", CmdHF14AMfUWrBl, 0, "Write block - Ultralight"},
1623 {"crdbl", CmdHF14AMfUCRdBl, 0, "Read block - Ultralight C"},
1624 {"cwrbl", CmdHF14AMfUCWrBl, 0, "Write block - Ultralight C"},
1625 {"cauth", CmdHF14AMfucAuth, 0, "Authentication - Ultralight C"},
1626 {"setpwd", CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1627 {"setuid", CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1628 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1629 {NULL, NULL, 0, NULL}
1630 };
1631
1632 int CmdHFMFUltra(const char *Cmd){
1633 WaitForResponseTimeout(CMD_ACK,NULL,100);
1634 CmdsParse(CommandTable, Cmd);
1635 return 0;
1636 }
1637
1638 int CmdHelp(const char *Cmd){
1639 CmdsHelp(CommandTable);
1640 return 0;
1641 }
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