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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 #define KEYS_3DES_COUNT 7
27 uint8_t default_3des_keys[KEYS_3DES_COUNT][16] = {
28 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
29 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
30 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
31 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
32 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
33 { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
34 { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
35 };
36
37 #define KEYS_PWD_COUNT 8
38 uint8_t default_pwd_pack[KEYS_PWD_COUNT][4] = {
39 {0xFF,0xFF,0xFF,0xFF}, // PACK 0x00,0x00 -- factory default
40 {0x4A,0xF8,0x4B,0x19}, // PACK 0xE5,0xBE -- italian bus (sniffed)
41 {0x33,0x6B,0xA1,0x19}, // PACK 0x9c,0x2d -- italian bus (sniffed)
42 {0xFF,0x90,0x6C,0xB2}, // PACK 0x12,0x9e -- italian bus (sniffed)
43 {0x05,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- Amiiboo (sniffed) pikachu-b UID:
44 {0x7E,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- AMiiboo (sniffed)
45 {0x02,0xE1,0xEE,0x36}, // PACK 0x80,0x80 -- AMiiboo (sniffed) sonic UID: 04d257 7ae33e8027
46 {0x32,0x0C,0x16,0x17}, // PACK 0x80,0x80 -- AMiiboo (sniffed)
47 };
48
49 static int CmdHelp(const char *Cmd);
50
51 char* getProductTypeStr( uint8_t id){
52
53 static char buf[20];
54 char *retStr = buf;
55
56 switch(id) {
57 case 3:
58 sprintf(retStr, "%02X, %s", id, "Ultralight");
59 break;
60 case 4:
61 sprintf(retStr, "%02X, %s", id, "NTAG");
62 break;
63 default:
64 sprintf(retStr, "%02X, %s", id, "unknown");
65 break;
66 }
67 return buf;
68 }
69
70 /*
71 The 7 MSBits (=n) code the storage size itself based on 2^n,
72 the LSBit is set to '0' if the size is exactly 2^n
73 and set to '1' if the storage size is between 2^n and 2^(n+1).
74 */
75 char* getUlev1CardSizeStr( uint8_t fsize ){
76
77 static char buf[40];
78 char *retStr = buf;
79 memset(buf, 0, sizeof(buf));
80
81 uint16_t usize = 1 << ((fsize >>1) + 1);
82 uint16_t lsize = 1 << (fsize >>1);
83
84 // is LSB set?
85 if ( fsize & 1 )
86 sprintf(retStr, "%02X (%u <-> %u bytes)", fsize, usize, lsize);
87 else
88 sprintf(retStr, "%02X (%u bytes)", fsize, lsize);
89 return buf;
90 }
91
92 static void ul_switch_on_field(void) {
93 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
94 SendCommand(&c);
95 }
96
97 void ul_switch_off_field(void) {
98 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
99 SendCommand(&c);
100 }
101
102 static int ul_send_cmd_raw( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength ) {
103 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_APPEND_CRC, cmdlen, 0}};
104 memcpy(c.d.asBytes, cmd, cmdlen);
105 SendCommand(&c);
106 UsbCommand resp;
107 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
108 if ( !resp.arg[0] && responseLength) return -1;
109
110 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
111 memcpy(response, resp.d.asBytes, resplen);
112 return resplen;
113 }
114 /*
115 static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength, bool append_crc ) {
116 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT , cmdlen, 0}};
117 if (append_crc)
118 c.arg[0] |= ISO14A_APPEND_CRC;
119
120 memcpy(c.d.asBytes, cmd, cmdlen);
121 SendCommand(&c);
122 UsbCommand resp;
123 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
124 if (!resp.arg[0] && responseLength) return -1;
125
126 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
127 memcpy(response, resp.d.asBytes, resplen );
128 return resplen;
129 }
130 */
131 static int ul_select( iso14a_card_select_t *card ){
132
133 ul_switch_on_field();
134
135 UsbCommand resp;
136 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
137 if (resp.arg[0] < 1) return -1;
138
139 memcpy(card, resp.d.asBytes, sizeof(iso14a_card_select_t));
140 return resp.arg[0];
141 }
142
143 // This read command will at least return 16bytes.
144 static int ul_read( uint8_t page, uint8_t *response, uint16_t responseLength ){
145
146 uint8_t cmd[] = {ISO14443A_CMD_READBLOCK, page};
147 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
148 if ( len == -1 )
149 ul_switch_off_field();
150 return len;
151 }
152
153 static int ul_comp_write( uint8_t page, uint8_t *data, uint8_t datalen ){
154
155 uint8_t cmd[18];
156 memset(cmd, 0x00, sizeof(cmd));
157 datalen = ( datalen > 16) ? 16 : datalen;
158
159 cmd[0] = ISO14443A_CMD_WRITEBLOCK;
160 cmd[1] = page;
161 memcpy(cmd+2, data, datalen);
162
163 uint8_t response[1] = {0xff};
164 int len = ul_send_cmd_raw(cmd, 2+datalen, response, sizeof(response));
165 if ( len == -1 )
166 ul_switch_off_field();
167 // ACK
168 if ( response[0] == 0x0a ) return 0;
169 // NACK
170 return -1;
171 }
172
173 static int ulc_requestAuthentication( uint8_t *nonce, uint16_t nonceLength ){
174
175 uint8_t cmd[] = {MIFARE_ULC_AUTH_1, 0x00};
176 int len = ul_send_cmd_raw(cmd, sizeof(cmd), nonce, nonceLength);
177 if ( len == -1 )
178 ul_switch_off_field();
179 return len;
180 }
181
182 static int ulev1_requestAuthentication( uint8_t *pwd, uint8_t *pack, uint16_t packLength ){
183
184 uint8_t cmd[] = {MIFARE_ULEV1_AUTH, pwd[0], pwd[1], pwd[2], pwd[3]};
185 int len = ul_send_cmd_raw(cmd, sizeof(cmd), pack, packLength);
186 if ( len == -1)
187 ul_switch_off_field();
188 return len;
189 }
190
191 static int ulev1_getVersion( uint8_t *response, uint16_t responseLength ){
192
193 uint8_t cmd[] = {MIFARE_ULEV1_VERSION};
194 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
195 if ( len == -1 )
196 ul_switch_off_field();
197 return len;
198 }
199
200 // static int ulev1_fastRead( uint8_t startblock, uint8_t endblock, uint8_t *response ){
201
202 // uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
203
204 // if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
205 // ul_switch_off_field();
206 // return -1;
207 // }
208 // return 0;
209 // }
210
211 static int ulev1_readCounter( uint8_t counter, uint8_t *response, uint16_t responseLength ){
212
213 uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
214 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
215 if (len == -1)
216 ul_switch_off_field();
217 return len;
218 }
219
220 static int ulev1_readTearing( uint8_t counter, uint8_t *response, uint16_t responseLength ){
221
222 uint8_t cmd[] = {MIFARE_ULEV1_CHECKTEAR, counter};
223 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
224 if (len == -1)
225 ul_switch_off_field();
226 return len;
227 }
228
229 static int ulev1_readSignature( uint8_t *response, uint16_t responseLength ){
230
231 uint8_t cmd[] = {MIFARE_ULEV1_READSIG, 0x00};
232 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
233 if (len == -1)
234 ul_switch_off_field();
235 return len;
236 }
237
238 static int ul_print_default( uint8_t *data){
239
240 uint8_t uid[7];
241 uid[0] = data[0];
242 uid[1] = data[1];
243 uid[2] = data[2];
244 uid[3] = data[4];
245 uid[4] = data[5];
246 uid[5] = data[6];
247 uid[6] = data[7];
248
249 PrintAndLog(" UID : %s ", sprint_hex(uid, 7));
250 PrintAndLog(" UID[0] : %02X, Manufacturer: %s", uid[0], getTagInfo(uid[0]) );
251 if ( uid[0] == 0x05 ) {
252 uint8_t chip = (data[8] & 0xC7); // 11000111 mask, bit 3,4,5 RFU
253 switch (chip){
254 case 0xc2: PrintAndLog(" IC type : SLE 66R04P"); break;
255 case 0xc4: PrintAndLog(" IC type : SLE 66R16P"); break;
256 case 0xc6: PrintAndLog(" IC type : SLE 66R32P"); break;
257 }
258 }
259 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
260 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
261 if ( data[3] == crc0 )
262 PrintAndLog(" BCC0 : %02X, Ok", data[3]);
263 else
264 PrintAndLog(" BCC0 : %02X, crc should be %02X", data[3], crc0);
265
266 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
267 if ( data[8] == crc1 )
268 PrintAndLog(" BCC1 : %02X, Ok", data[8]);
269 else
270 PrintAndLog(" BCC1 : %02X, crc should be %02X", data[8], crc1 );
271
272 PrintAndLog(" Internal : %02X, %sdefault", data[9], (data[9]==0x48)?"":"not " );
273
274 PrintAndLog(" Lock : %s - %s",
275 sprint_hex(data+10, 2),
276 printBits(2, data+10)
277 );
278
279 PrintAndLog("OneTimePad : %s - %s\n",
280 sprint_hex(data + 12, 4),
281 printBits(4, data+12)
282 );
283
284 return 0;
285 }
286
287 static int ntag_print_CC(uint8_t *data) {
288
289 PrintAndLog("\n--- NTAG NDEF Message");
290
291 if(data[0] != 0xe1) {
292 PrintAndLog("no NDEF message found");
293 return -1; // no NDEF message
294 }
295
296 PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
297 PrintAndLog(" %02X: NDEF Magic Number", data[0]);
298 PrintAndLog(" %02X: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
299 PrintAndLog(" %02X: Physical Memory Size: %d bytes", data[2], (data[2] + 1) * 8);
300 if ( data[2] == 0x12 )
301 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 144);
302 else if ( data[2] == 0x3e )
303 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 496);
304 else if ( data[2] == 0x6d )
305 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 872);
306
307 PrintAndLog(" %02X: %s / %s", data[3],
308 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
309 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
310 return 0;
311 }
312
313 int ul_print_type(uint16_t tagtype, uint8_t spaces){
314 char spc[11] = " ";
315 spc[10]=0x00;
316 char *spacer = spc + (10-spaces);
317
318 if ( tagtype & UL )
319 PrintAndLog("%sTYPE : MIFARE Ultralight (MF0ICU1) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
320 else if ( tagtype & UL_C)
321 PrintAndLog("%sTYPE : MIFARE Ultralight C (MF0ULC) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
322 else if ( tagtype & UL_EV1_48)
323 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)", spacer);
324 else if ( tagtype & UL_EV1_128)
325 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)", spacer);
326 else if ( tagtype & NTAG_213 )
327 PrintAndLog("%sTYPE : MIFARE NTAG 213 144bytes (NT2H1311G0DU)", spacer);
328 else if ( tagtype & NTAG_215 )
329 PrintAndLog("%sTYPE : MIFARE NTAG 215 504bytes (NT2H1511G0DU)", spacer);
330 else if ( tagtype & NTAG_216 )
331 PrintAndLog("%sTYPE : MIFARE NTAG 216 888bytes (NT2H1611G0DU)", spacer);
332 else if ( tagtype & MY_D )
333 PrintAndLog("%sTYPE : INFINEON my-d\x99", spacer);
334 else if ( tagtype & MY_D_NFC )
335 PrintAndLog("%sTYPE : INFINEON my-d\x99 NFC", spacer);
336 else if ( tagtype & MY_D_MOVE )
337 PrintAndLog("%sTYPE : INFINEON my-d\x99 move", spacer);
338 else if ( tagtype & MY_D_MOVE_NFC )
339 PrintAndLog("%sTYPE : INFINEON my-d\x99 move NFC", spacer);
340 else
341 PrintAndLog("%sTYPE : Unknown %04x", spacer, tagtype);
342 return 0;
343 }
344
345 static int ulc_print_3deskey( uint8_t *data){
346 PrintAndLog(" deskey1 [44/0x2C]: %s [%.4s]", sprint_hex(data ,4),data);
347 PrintAndLog(" deskey1 [45/0x2D]: %s [%.4s]", sprint_hex(data+4 ,4),data+4);
348 PrintAndLog(" deskey2 [46/0x2E]: %s [%.4s]", sprint_hex(data+8 ,4),data+8);
349 PrintAndLog(" deskey2 [47/0x2F]: %s [%.4s]", sprint_hex(data+12,4),data+12);
350
351 PrintAndLog("\n 3des key : %s", sprint_hex(SwapEndian64(data, 16), 16));
352 return 0;
353 }
354
355 static int ulc_print_configuration( uint8_t *data){
356
357 PrintAndLog("--- UL-C Configuration");
358 PrintAndLog(" Higher Lockbits [40/0x28]: %s - %s", sprint_hex(data, 4), printBits(2, data));
359 PrintAndLog(" Counter [41/0x29]: %s - %s", sprint_hex(data+4, 4), printBits(2, data+4));
360
361 bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
362 if ( validAuth )
363 PrintAndLog(" Auth0 [42/0x2A]: %s page %d/0x%02X and above need authentication", sprint_hex(data+8, 4), data[8],data[8] );
364 else{
365 if ( data[8] == 0){
366 PrintAndLog(" Auth0 [42/0x2A]: %s default", sprint_hex(data+8, 4) );
367 } else {
368 PrintAndLog(" Auth0 [42/0x2A]: %s auth byte is out-of-range", sprint_hex(data+8, 4) );
369 }
370 }
371 PrintAndLog(" Auth1 [43/0x2B]: %s %s",
372 sprint_hex(data+12, 4),
373 (data[12] & 1) ? "write access restricted": "read and write access restricted"
374 );
375 return 0;
376 }
377
378 static int ulev1_print_configuration( uint8_t *data){
379
380 PrintAndLog("\n--- UL-EV1 Configuration");
381
382 bool strg_mod_en = (data[0] & 2);
383 uint8_t authlim = (data[4] & 0x07);
384 bool cfglck = (data[4] & 0x40);
385 bool prot = (data[4] & 0x80);
386 uint8_t vctid = data[5];
387
388 PrintAndLog(" cfg0 [16/0x10]: %s", sprint_hex(data, 4));
389 if ( data[3] < 0xff )
390 PrintAndLog(" - page %d and above need authentication",data[3]);
391 else
392 PrintAndLog(" - pages don't need authentication");
393 PrintAndLog(" - strong modulation mode %s", (strg_mod_en) ? "enabled":"disabled");
394 PrintAndLog(" cfg1 [17/0x11]: %s", sprint_hex(data+4, 4) );
395 if ( authlim == 0)
396 PrintAndLog(" - Unlimited password attempts");
397 else
398 PrintAndLog(" - Max number of password attempts is %d", authlim);
399 PrintAndLog(" - user configuration %s", cfglck ? "permanently locked":"writeable");
400 PrintAndLog(" - %s access is protected with password", prot ? "read and write":"write");
401 PrintAndLog(" %02X - Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
402 PrintAndLog(" PWD [18/0x12]: %s", sprint_hex(data+8, 4));
403 PrintAndLog(" PACK [19/0x13]: %s", sprint_hex(data+12, 4));
404 return 0;
405 }
406
407 static int ulev1_print_counters(){
408 PrintAndLog("--- UL-EV1 Counters");
409 uint8_t tear[1] = {0};
410 uint8_t counter[3] = {0,0,0};
411 for ( uint8_t i = 0; i<3; ++i) {
412 ulev1_readTearing(i,tear,sizeof(tear));
413 ulev1_readCounter(i,counter, sizeof(counter) );
414 PrintAndLog(" [%0d] : %s", i, sprint_hex(counter,3));
415 PrintAndLog(" - %02X tearing %s", tear[0], ( tear[0]==0xBD)?"Ok":"failure");
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 /*
445 static int ulc_magic_test(){
446 // Magic Ultralight test
447 // Magic UL-C, by observation,
448 // 1) it seems to have a static nonce response to 0x1A command.
449 // 2) the deskey bytes is not-zero:d out on as datasheet states.
450 // 3) UID - changeable, not only, but pages 0-1-2-3.
451 // 4) use the ul_magic_test ! magic tags answers specially!
452 int returnValue = UL_ERROR;
453 iso14a_card_select_t card;
454 uint8_t nonce1[11] = {0x00};
455 uint8_t nonce2[11] = {0x00};
456 int status = ul_select(&card);
457 if ( status < 1 ){
458 PrintAndLog("Error: couldn't select ulc_magic_test");
459 ul_switch_off_field();
460 return UL_ERROR;
461 }
462 status = ulc_requestAuthentication(nonce1, sizeof(nonce1));
463 if ( status > 0 ) {
464 status = ulc_requestAuthentication(nonce2, sizeof(nonce2));
465 returnValue = ( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
466 } else {
467 returnValue = UL;
468 }
469 ul_switch_off_field();
470 return returnValue;
471 }
472 */
473 static int ul_magic_test(){
474
475 // Magic Ultralight tests
476 // 1) take present UID, and try to write it back. OBSOLETE
477 // 2) make a wrong length write to page0, and see if tag answers with ACK/NACK:
478 iso14a_card_select_t card;
479 int status = ul_select(&card);
480 if ( status < 1 ){
481 PrintAndLog("iso14443a card select failed");
482 ul_switch_off_field();
483 return UL_ERROR;
484 }
485 status = ul_comp_write(0, NULL, 0);
486 ul_switch_off_field();
487 if ( status == 0 )
488 return UL_MAGIC;
489 return UL;
490 }
491
492 uint16_t GetHF14AMfU_Type(void){
493
494 TagTypeUL_t tagtype = UNKNOWN;
495 iso14a_card_select_t card;
496 uint8_t version[10] = {0x00};
497 int status = 0;
498 int len;
499
500 status = ul_select(&card);
501 if ( status < 1 ){
502 PrintAndLog("iso14443a card select failed");
503 ul_switch_off_field();
504 return UL_ERROR;
505 }
506 // Ultralight - ATQA / SAK
507 if ( card.atqa[1] != 0x00 || card.atqa[0] != 0x44 || card.sak != 0x00 ) {
508 PrintAndLog("Tag is not Ultralight | NTAG | MY-D [ATQA: %02X %02X SAK: %02X]\n", card.atqa[1], card.atqa[0], card.sak);
509 ul_switch_off_field();
510 return UL_ERROR;
511 }
512
513 if ( card.uid[0] != 0x05) {
514
515 len = ulev1_getVersion(version, sizeof(version));
516 if (len > -1) ul_switch_off_field(); //if -1 it is already off
517
518 switch (len) {
519 case 0x0A: {
520
521 if ( version[2] == 0x03 && version[6] == 0x0B )
522 tagtype = UL_EV1_48;
523 else if ( version[2] == 0x03 && version[6] != 0x0B )
524 tagtype = UL_EV1_128;
525 else if ( version[2] == 0x04 && version[6] == 0x0F )
526 tagtype = NTAG_213;
527 else if ( version[2] == 0x04 && version[6] == 0x11 )
528 tagtype = NTAG_215;
529 else if ( version[2] == 0x04 && version[6] == 0x13 )
530 tagtype = NTAG_216;
531 else if ( version[2] == 0x04 )
532 tagtype = NTAG;
533
534 break;
535 }
536 case 0x01: tagtype = UL_C; break;
537 case 0x00: tagtype = UL; break;
538 case -1 : tagtype = (UL | UL_C); break; //when does this happen? -- if getversion fails, it assumes it is either UL/ULC
539 default : tagtype = UNKNOWN; break;
540 }
541 // UL-C test
542 if (tagtype == (UL | UL_C)) {
543 status = ul_select(&card);
544 if ( status < 1 ){
545 PrintAndLog("iso14443a card select failed (UL-C)");
546 ul_switch_off_field();
547 return UL_ERROR;
548 }
549 uint8_t nonce[11] = {0x00};
550 status = ulc_requestAuthentication(nonce, sizeof(nonce));
551 tagtype = ( status > 0 ) ? UL_C : UL;
552
553 if (status != -1) ul_switch_off_field();
554 }
555 } else {
556 // Infinition MY-D tests Exam high nibble
557 uint8_t nib = (card.uid[1] & 0xf0) >> 4;
558 switch ( nib ){
559 case 1: tagtype = MY_D; break;
560 case 2: tagtype = (MY_D | MY_D_NFC); break;
561 case 3: tagtype = (MY_D_MOVE | MY_D_MOVE_NFC); break;
562 }
563 }
564
565 tagtype = (ul_magic_test() == UL_MAGIC) ? (tagtype | MAGIC) : tagtype;
566 //if ((tagtype & UL)) tagtype = ul_magic_test();
567
568 return tagtype;
569 }
570
571 int CmdHF14AMfUInfo(const char *Cmd){
572
573 uint8_t authlim = 0xff;
574 uint8_t data[16] = {0x00};
575 iso14a_card_select_t card;
576 uint8_t *key;
577 int status;
578 bool errors = false;
579 bool hasAuthKey = false;
580 uint8_t cmdp = 0;
581 uint8_t datalen = 0;
582 uint8_t authenticationkey[16] = {0x00};
583 uint8_t pack[4] = {0,0,0,0};
584
585 while(param_getchar(Cmd, cmdp) != 0x00)
586 {
587 switch(param_getchar(Cmd, cmdp))
588 {
589 case 'h':
590 case 'H':
591 return usage_hf_mfu_info();
592 case 'k':
593 case 'K':
594 // EV1/NTAG size key
595 datalen = param_gethex(Cmd, cmdp+1, data, 8);
596 if ( !datalen ) {
597 memcpy(authenticationkey, data, 4);
598 cmdp += 2;
599 hasAuthKey = true;
600 break;
601 }
602 // UL-C size key
603 datalen = param_gethex(Cmd, cmdp+1, data, 32);
604 if (!datalen){
605 memcpy(authenticationkey, data, 16);
606 cmdp += 2;
607 hasAuthKey = true;
608 break;
609 }
610 errors = true;
611 break;
612 default:
613 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
614 errors = true;
615 break;
616 }
617 if(errors) break;
618 }
619
620 //Validations
621 if(errors) return usage_hf_mfu_info();
622
623 TagTypeUL_t tagtype = GetHF14AMfU_Type();
624 if (tagtype == UL_ERROR) return -1;
625
626 PrintAndLog("\n--- Tag Information ---------");
627 PrintAndLog("-------------------------------------------------------------");
628 ul_print_type(tagtype, 6);
629
630 status = ul_select(&card);
631 if ( status < 1 ){
632 PrintAndLog("iso14443a card select failed");
633 ul_switch_off_field();
634 return status;
635 }
636
637 if ( hasAuthKey ) {
638 if ((tagtype & UL_C))
639 try3DesAuthentication(authenticationkey);
640 else
641 ulev1_requestAuthentication(authenticationkey, pack, sizeof(pack));
642 }
643
644 // read pages 0,1,2,3 (should read 4pages)
645 status = ul_read(0, data, sizeof(data));
646 if ( status == -1 ){
647 PrintAndLog("Error: tag didn't answer to READ A");
648 return status;
649 }
650
651 ul_print_default(data);
652
653 if ((tagtype & UL_C)){
654
655 // read pages 0x28, 0x29, 0x2A, 0x2B
656 uint8_t ulc_conf[16] = {0x00};
657 status = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
658 if ( status == -1 ){
659 PrintAndLog("Error: tag didn't answer to READ - possibly locked");
660 return status;
661 }
662
663 ulc_print_configuration(ulc_conf);
664
665 if ((tagtype & MAGIC)){
666
667 uint8_t ulc_deskey[16] = {0x00};
668 status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
669 if ( status == -1 ){
670 PrintAndLog("Error: tag didn't answer to READ magic");
671 return status;
672 }
673 ulc_print_3deskey(ulc_deskey);
674
675 } else {
676
677 // if we called info with key, just return
678 if ( hasAuthKey ) return 1;
679
680 PrintAndLog("Trying some default 3des keys");
681 ul_switch_off_field();
682 for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ){
683 key = default_3des_keys[i];
684 if (try3DesAuthentication(key) == 1){
685 PrintAndLog("Found default 3des key: "); //%s", sprint_hex(key,16));
686 ulc_print_3deskey(SwapEndian64(key,16));
687 return 1;
688 }
689 }
690 }
691 }
692
693 if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
694
695 ulev1_print_counters();
696
697 uint8_t ulev1_signature[32] = {0x00};
698 status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
699 if ( status == -1 ){
700 PrintAndLog("Error: tag didn't answer to READ SIGNATURE");
701 return status;
702 }
703 ulev1_print_signature( ulev1_signature, sizeof(ulev1_signature));
704
705 uint8_t startconfigblock = (tagtype & UL_EV1_48) ? 0x10 : 0x25;
706 uint8_t ulev1_conf[16] = {0x00};
707 status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
708 if ( status == -1 ){
709 PrintAndLog("Error: tag didn't answer to READ EV1");
710 return status;
711 }
712 // save AUTHENTICATION LIMITS for later:
713 authlim = (ulev1_conf[4] & 0x07);
714 bool allZeros = true;
715 for (uint8_t idx=0; idx<8; idx++)
716 if (ulev1_conf[idx]) allZeros = false;
717
718 if (allZeros) authlim=7;
719 ulev1_print_configuration(ulev1_conf);
720 }
721
722 if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216))) {
723
724 uint8_t version[10] = {0x00};
725 status = ulev1_getVersion(version, sizeof(version));
726 if ( status == -1 ){
727 PrintAndLog("Error: tag didn't answer to GET_VERSION");
728 return status;
729 }
730 ulev1_print_version(version);
731
732 // if we called info with key, just return
733 if ( hasAuthKey ) return 1;
734
735 // AUTHLIMIT, (number of failed authentications)
736 // 0 = limitless.
737 // 1-7 = ... should we even try then?
738 if ( authlim == 0 ){
739 PrintAndLog("\n--- Known EV1/NTAG passwords.");
740
741
742 int len=0; //if len goes to -1 the connection will be turned off.
743 for (uint8_t i = 0; i < KEYS_PWD_COUNT; ++i ){
744 key = default_pwd_pack[i];
745 if ( len > -1 ){
746 len = ulev1_requestAuthentication(key, pack, sizeof(pack));
747 PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
748 break;
749 }
750 }
751 if (len > -1) ul_switch_off_field();
752 }
753 }
754
755 if ((tagtype & (NTAG_213 | NTAG_215 | NTAG_216))){
756
757 uint8_t cc[16] = {0x00};
758 status = ul_read(3, cc, sizeof(cc));
759 if ( status == -1 ){
760 PrintAndLog("Error: tag didn't answer to READ ntag");
761 return status;
762 }
763 ntag_print_CC(cc);
764 }
765
766 ul_switch_off_field();
767 PrintAndLog("");
768 return 1;
769 }
770
771 //
772 // Mifare Ultralight Write Single Block
773 //
774 int CmdHF14AMfUWrBl(const char *Cmd){
775 uint8_t blockNo = -1;
776 bool chinese_card = FALSE;
777 uint8_t bldata[16] = {0x00};
778 UsbCommand resp;
779
780 char cmdp = param_getchar(Cmd, 0);
781 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
782 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
783 PrintAndLog(" [block number]");
784 PrintAndLog(" [block data] - (8 hex symbols)");
785 PrintAndLog(" [w] - Chinese magic ultralight tag");
786 PrintAndLog("");
787 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
788 PrintAndLog("");
789 return 0;
790 }
791
792 blockNo = param_get8(Cmd, 0);
793
794 if (blockNo > MAX_UL_BLOCKS){
795 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
796 return 1;
797 }
798
799 if (param_gethex(Cmd, 1, bldata, 8)) {
800 PrintAndLog("Block data must include 8 HEX symbols");
801 return 1;
802 }
803
804 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
805 chinese_card = TRUE;
806 }
807
808 if ( blockNo <= 3) {
809 if (!chinese_card){
810 PrintAndLog("Access Denied");
811 } else {
812 PrintAndLog("--specialblock no:%02x", blockNo);
813 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
814 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
815 memcpy(d.d.asBytes,bldata, 4);
816 SendCommand(&d);
817 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
818 uint8_t isOK = resp.arg[0] & 0xff;
819 PrintAndLog("isOk:%02x", isOK);
820 } else {
821 PrintAndLog("Command execute timeout");
822 }
823 }
824 } else {
825 PrintAndLog("--block no:%02x", blockNo);
826 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
827 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
828 memcpy(e.d.asBytes,bldata, 4);
829 SendCommand(&e);
830 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
831 uint8_t isOK = resp.arg[0] & 0xff;
832 PrintAndLog("isOk:%02x", isOK);
833 } else {
834 PrintAndLog("Command execute timeout");
835 }
836 }
837 return 0;
838 }
839
840 //
841 // Mifare Ultralight Read Single Block
842 //
843 int CmdHF14AMfURdBl(const char *Cmd){
844
845 UsbCommand resp;
846 uint8_t blockNo = -1;
847 char cmdp = param_getchar(Cmd, 0);
848
849 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
850 PrintAndLog("Usage: hf mfu rdbl <block number>");
851 PrintAndLog(" sample: hfu mfu rdbl 0");
852 return 0;
853 }
854
855 blockNo = param_get8(Cmd, 0);
856
857 if (blockNo > MAX_UL_BLOCKS){
858 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
859 return 1;
860 }
861
862 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
863 SendCommand(&c);
864
865
866 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
867 uint8_t isOK = resp.arg[0] & 0xff;
868 if (isOK) {
869 uint8_t *data = resp.d.asBytes;
870 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
871 }
872 else {
873 PrintAndLog("Failed reading block: (%02x)", isOK);
874 }
875 } else {
876 PrintAndLog("Command execute time-out");
877 }
878
879 return 0;
880 }
881
882 int usage_hf_mfu_info(void)
883 {
884 PrintAndLog("It gathers information about the tag and tries to detect what kind it is.");
885 PrintAndLog("Sometimes the tags are locked down, and you may need a key to be able to read the information");
886 PrintAndLog("The following tags can be identified:\n");
887 PrintAndLog("Ultralight, Ultralight-C, Ultralight EV1");
888 PrintAndLog("NTAG 213, NTAG 215, NTAG 216");
889 PrintAndLog("my-d, my-d NFC, my-d move, my-d move NFC\n");
890 PrintAndLog("Usage: hf mfu info k <key>");
891 PrintAndLog(" Options : ");
892 PrintAndLog(" k <key> : key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
893 PrintAndLog("");
894 PrintAndLog(" sample : hf mfu info");
895 PrintAndLog(" : hf mfu info k 11223344");
896 return 0;
897 }
898
899 int usage_hf_mfu_dump(void)
900 {
901 PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
902 PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
903 PrintAndLog("It autodetects card type.\n");
904 PrintAndLog("Usage: hf mfu dump s k <key> n <filename w/o .bin>");
905 PrintAndLog(" Options : ");
906 PrintAndLog(" k <key> : Enter key for authentication");
907 PrintAndLog(" n <FN > : Enter filename w/o .bin to save the dump as");
908 PrintAndLog(" s : Swap entered key's endianness for auth");
909 PrintAndLog("");
910 PrintAndLog(" sample : hf mfu dump");
911 PrintAndLog(" : hf mfu dump n myfile");
912 PrintAndLog(" : hf mfu dump k 00112233445566778899AABBCCDDEEFF");
913 return 0;
914 }
915
916 //
917 // Mifare Ultralight / Ultralight-C / Ultralight-EV1
918 // Read and Dump Card Contents, using auto detection of tag size.
919 //
920 // TODO: take a password to read UL-C / UL-EV1 tags.
921 int CmdHF14AMfUDump(const char *Cmd){
922
923 FILE *fout;
924 char filename[FILE_PATH_SIZE] = {0x00};
925 char * fnameptr = filename;
926 char* str = "Dumping Ultralight%s%s Card Data...";
927 uint8_t *lockbytes_t = NULL;
928 uint8_t lockbytes[2] = {0x00};
929 uint8_t *lockbytes_t2 = NULL;
930 uint8_t lockbytes2[2] = {0x00};
931 bool bit[16] = {0x00};
932 bool bit2[16] = {0x00};
933 uint8_t data[1024] = {0x00};
934 bool hasPwd = false;
935 int i = 0;
936 int Pages = 16;
937 bool tmplockbit = false;
938 uint8_t dataLen=0;
939 uint8_t cmdp =0;
940 uint8_t key[16] = {0x00};
941 uint8_t *keyPtr = key;
942 size_t fileNlen = 0;
943 bool errors = false;
944 bool swapEndian = false;
945
946 while(param_getchar(Cmd, cmdp) != 0x00)
947 {
948 switch(param_getchar(Cmd, cmdp))
949 {
950 case 'h':
951 case 'H':
952 return usage_hf_mfu_dump();
953 case 'k':
954 case 'K':
955 dataLen = param_gethex(Cmd, cmdp+1, data, 32);
956 if (dataLen) {
957 errors = true;
958 } else {
959 memcpy(key, data, 16);
960 }
961 cmdp += 2;
962 hasPwd = true;
963 break;
964 case 'n':
965 case 'N':
966 fileNlen = param_getstr(Cmd, cmdp+1, filename);
967 if (!fileNlen) errors = true;
968 if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
969 cmdp += 2;
970 break;
971 case 's':
972 swapEndian = true;
973 cmdp++;
974 break;
975 default:
976 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
977 errors = true;
978 break;
979 }
980 if(errors) break;
981 }
982
983 //Validations
984 if(errors) return usage_hf_mfu_dump();
985
986 if (swapEndian)
987 keyPtr = SwapEndian64(data, 16);
988
989 TagTypeUL_t tagtype = GetHF14AMfU_Type();
990 if (tagtype == UL_ERROR) return -1;
991
992 if ( tagtype & UL ) {
993 Pages = 16;
994 PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" );
995 }
996 else if ( tagtype & UL_C ) {
997 Pages = 44;
998 PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" );
999 }
1000 else if ( tagtype & UL_EV1_48 ) {
1001 Pages = 18;
1002 PrintAndLog(str," EV1_48","");
1003 }
1004 else if ( tagtype & UL_EV1_128 ) {
1005 Pages = 32;
1006 PrintAndLog(str," EV1_128","");
1007 } else {
1008 Pages = 16;
1009 PrintAndLog("Dumping unknown Ultralight, using default values.");
1010 }
1011
1012 UsbCommand c = {CMD_MIFAREUC_READCARD, {0,Pages}};
1013 if ( hasPwd ) {
1014 c.arg[2] = 1;
1015 memcpy(c.d.asBytes, key, 16);
1016 }
1017 SendCommand(&c);
1018 UsbCommand resp;
1019 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1020 PrintAndLog("Command execute time-out");
1021 return 1;
1022 }
1023 PrintAndLog ("%u,%u",resp.arg[0],resp.arg[1]);
1024 uint8_t isOK = resp.arg[0] & 0xff;
1025 if (isOK) {
1026 memcpy(data, resp.d.asBytes, resp.arg[1]);
1027 } else {
1028 PrintAndLog("Failed reading block: (%02x)", i);
1029 return 1;
1030 }
1031
1032 // Load lock bytes.
1033 int j = 0;
1034
1035 lockbytes_t = data + 8;
1036 lockbytes[0] = lockbytes_t[2];
1037 lockbytes[1] = lockbytes_t[3];
1038 for(j = 0; j < 16; j++){
1039 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
1040 }
1041
1042 // Load bottom lockbytes if available
1043 if ( Pages == 44 ) {
1044 lockbytes_t2 = data + (40*4);
1045 lockbytes2[0] = lockbytes_t2[2];
1046 lockbytes2[1] = lockbytes_t2[3];
1047 for (j = 0; j < 16; j++) {
1048 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
1049 }
1050 }
1051
1052 // add keys
1053 if (hasPwd){
1054 memcpy(data + Pages*4, key, 16);
1055 Pages += 4;
1056 }
1057 for (i = 0; i < Pages; ++i) {
1058 if ( i < 3 ) {
1059 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
1060 continue;
1061 }
1062 switch(i){
1063 case 3: tmplockbit = bit[4]; break;
1064 case 4: tmplockbit = bit[3]; break;
1065 case 5: tmplockbit = bit[2]; break;
1066 case 6: tmplockbit = bit[1]; break;
1067 case 7: tmplockbit = bit[0]; break;
1068 case 8: tmplockbit = bit[15]; break;
1069 case 9: tmplockbit = bit[14]; break;
1070 case 10: tmplockbit = bit[13]; break;
1071 case 11: tmplockbit = bit[12]; break;
1072 case 12: tmplockbit = bit[11]; break;
1073 case 13: tmplockbit = bit[10]; break;
1074 case 14: tmplockbit = bit[9]; break;
1075 case 15: tmplockbit = bit[8]; break;
1076 case 16:
1077 case 17:
1078 case 18:
1079 case 19: tmplockbit = bit2[6]; break;
1080 case 20:
1081 case 21:
1082 case 22:
1083 case 23: tmplockbit = bit2[5]; break;
1084 case 24:
1085 case 25:
1086 case 26:
1087 case 27: tmplockbit = bit2[4]; break;
1088 case 28:
1089 case 29:
1090 case 30:
1091 case 31: tmplockbit = bit2[2]; break;
1092 case 32:
1093 case 33:
1094 case 34:
1095 case 35: tmplockbit = bit2[1]; break;
1096 case 36:
1097 case 37:
1098 case 38:
1099 case 39: tmplockbit = bit2[0]; break;
1100 case 40: tmplockbit = bit2[12]; break;
1101 case 41: tmplockbit = bit2[11]; break;
1102 case 42: tmplockbit = bit2[10]; break; //auth0
1103 case 43: tmplockbit = bit2[9]; break; //auth1
1104 default: break;
1105 }
1106 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
1107 }
1108
1109 // user supplied filename?
1110 if (fileNlen < 1) {
1111 // UID = data 0-1-2 4-5-6-7 (skips a beat)
1112 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
1113 data[0], data[1], data[2], data[4], data[5], data[6], data[7]);
1114 } else {
1115 sprintf(fnameptr + fileNlen,".bin");
1116 }
1117
1118 if ((fout = fopen(filename,"wb")) == NULL) {
1119 PrintAndLog("Could not create file name %s", filename);
1120 return 1;
1121 }
1122 fwrite( data, 1, Pages*4, fout );
1123 fclose(fout);
1124
1125 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
1126 return 0;
1127 }
1128
1129 // Needed to Authenticate to Ultralight C tags
1130 void rol (uint8_t *data, const size_t len){
1131 uint8_t first = data[0];
1132 for (size_t i = 0; i < len-1; i++) {
1133 data[i] = data[i+1];
1134 }
1135 data[len-1] = first;
1136 }
1137
1138 //-------------------------------------------------------------------------------
1139 // Ultralight C Methods
1140 //-------------------------------------------------------------------------------
1141
1142 //
1143 // Ultralight C Authentication Demo {currently uses hard-coded key}
1144 //
1145 int CmdHF14AMfucAuth(const char *Cmd){
1146
1147 uint8_t keyNo = 0;
1148 bool errors = false;
1149
1150 char cmdp = param_getchar(Cmd, 0);
1151
1152 //Change key to user defined one
1153 if (cmdp == 'k' || cmdp == 'K'){
1154 keyNo = param_get8(Cmd, 1);
1155 if(keyNo > KEYS_3DES_COUNT)
1156 errors = true;
1157 }
1158
1159 if (cmdp == 'h' || cmdp == 'H')
1160 errors = true;
1161
1162 if (errors) {
1163 PrintAndLog("Usage: hf mfu cauth k <key number>");
1164 PrintAndLog(" 0 (default): 3DES standard key");
1165 PrintAndLog(" 1 : all 0x00 key");
1166 PrintAndLog(" 2 : 0x00-0x0F key");
1167 PrintAndLog(" 3 : nfc key");
1168 PrintAndLog(" 4 : all 0x01 key");
1169 PrintAndLog(" 5 : all 0xff key");
1170 PrintAndLog(" 6 : 0x00-0xFF key");
1171 PrintAndLog("\n sample : hf mfu cauth k");
1172 PrintAndLog(" : hf mfu cauth k 3");
1173 return 0;
1174 }
1175
1176 uint8_t *key = default_3des_keys[keyNo];
1177 if (try3DesAuthentication(key)>0)
1178 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
1179 else
1180 PrintAndLog("Authentication failed");
1181
1182 return 0;
1183 }
1184
1185 int try3DesAuthentication( uint8_t *key){
1186
1187 uint32_t cuid = 0;
1188
1189 des3_context ctx = { 0 };
1190
1191 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
1192 uint8_t random_b[8] = { 0 };
1193 uint8_t enc_random_b[8] = { 0 };
1194 uint8_t rnd_ab[16] = { 0 };
1195 uint8_t iv[8] = { 0 };
1196
1197 UsbCommand c = {CMD_MIFAREUC_AUTH1, {0x00}};
1198 SendCommand(&c);
1199 UsbCommand resp;
1200 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
1201 if ( !(resp.arg[0] & 0xff) ) return -2;
1202
1203 cuid = resp.arg[1];
1204 memcpy(enc_random_b,resp.d.asBytes+1,8);
1205
1206 des3_set2key_dec(&ctx, key);
1207 // context, mode, length, IV, input, output
1208 des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
1209
1210 rol(random_b,8);
1211 memcpy(rnd_ab ,random_a,8);
1212 memcpy(rnd_ab+8,random_b,8);
1213
1214 //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8));
1215 //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8));
1216 //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8));
1217 //PrintAndLog(" A+B :%s", sprint_hex(rnd_ab, 16));
1218
1219 des3_set2key_enc(&ctx, key);
1220 // context, mode, length, IV, input, output
1221 des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
1222
1223 //Auth2
1224 c.cmd = CMD_MIFAREUC_AUTH2;
1225 c.arg[0] = cuid;
1226 memcpy(c.d.asBytes, rnd_ab, 16);
1227 SendCommand(&c);
1228
1229 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
1230 if ( !(resp.arg[0] & 0xff)) return -2;
1231
1232 uint8_t enc_resp[8] = { 0 };
1233 uint8_t resp_random_a[8] = { 0 };
1234 memcpy(enc_resp, resp.d.asBytes+1, 8);
1235
1236 des3_set2key_dec(&ctx, key);
1237 // context, mode, length, IV, input, output
1238 des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
1239
1240 //PrintAndLog(" enc(A+B) :%s", sprint_hex(rnd_ab, 16));
1241 //PrintAndLog(" enc(RndA') :%s", sprint_hex(enc_resp, 8));
1242
1243 if ( !memcmp(resp_random_a, random_a, 8))
1244 return 1;
1245 return 0;
1246 }
1247
1248 /**
1249 A test function to validate that the polarssl-function works the same
1250 was as the openssl-implementation.
1251 Commented out, since it requires openssl
1252
1253 int CmdTestDES(const char * cmd)
1254 {
1255 uint8_t key[16] = {0x00};
1256
1257 memcpy(key,key3_3des_data,16);
1258 DES_cblock RndA, RndB;
1259
1260 PrintAndLog("----------OpenSSL DES implementation----------");
1261 {
1262 uint8_t e_RndB[8] = {0x00};
1263 unsigned char RndARndB[16] = {0x00};
1264
1265 DES_cblock iv = { 0 };
1266 DES_key_schedule ks1,ks2;
1267 DES_cblock key1,key2;
1268
1269 memcpy(key,key3_3des_data,16);
1270 memcpy(key1,key,8);
1271 memcpy(key2,key+8,8);
1272
1273
1274 DES_set_key((DES_cblock *)key1,&ks1);
1275 DES_set_key((DES_cblock *)key2,&ks2);
1276
1277 DES_random_key(&RndA);
1278 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
1279 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
1280 //void DES_ede2_cbc_encrypt(const unsigned char *input,
1281 // unsigned char *output, long length, DES_key_schedule *ks1,
1282 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
1283 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
1284
1285 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
1286 rol(RndB,8);
1287 memcpy(RndARndB,RndA,8);
1288 memcpy(RndARndB+8,RndB,8);
1289 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
1290 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
1291 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
1292
1293 }
1294 PrintAndLog("----------PolarSSL implementation----------");
1295 {
1296 uint8_t random_a[8] = { 0 };
1297 uint8_t enc_random_a[8] = { 0 };
1298 uint8_t random_b[8] = { 0 };
1299 uint8_t enc_random_b[8] = { 0 };
1300 uint8_t random_a_and_b[16] = { 0 };
1301 des3_context ctx = { 0 };
1302
1303 memcpy(random_a, RndA,8);
1304
1305 uint8_t output[8] = { 0 };
1306 uint8_t iv[8] = { 0 };
1307
1308 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
1309 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
1310
1311 des3_set2key_dec(&ctx, key);
1312
1313 des3_crypt_cbc(&ctx // des3_context *ctx
1314 , DES_DECRYPT // int mode
1315 , sizeof(random_b) // size_t length
1316 , iv // unsigned char iv[8]
1317 , enc_random_b // const unsigned char *input
1318 , random_b // unsigned char *output
1319 );
1320
1321 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
1322
1323 rol(random_b,8);
1324 memcpy(random_a_and_b ,random_a,8);
1325 memcpy(random_a_and_b+8,random_b,8);
1326
1327 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
1328
1329 des3_set2key_enc(&ctx, key);
1330
1331 des3_crypt_cbc(&ctx // des3_context *ctx
1332 , DES_ENCRYPT // int mode
1333 , sizeof(random_a_and_b) // size_t length
1334 , enc_random_b // unsigned char iv[8]
1335 , random_a_and_b // const unsigned char *input
1336 , random_a_and_b // unsigned char *output
1337 );
1338
1339 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
1340 }
1341 return 0;
1342 }
1343 **/
1344
1345 //
1346 // Ultralight C Read Single Block
1347 //
1348 int CmdHF14AMfUCRdBl(const char *Cmd)
1349 {
1350 UsbCommand resp;
1351 bool hasPwd = FALSE;
1352 uint8_t blockNo = -1;
1353 uint8_t key[16];
1354 char cmdp = param_getchar(Cmd, 0);
1355
1356 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
1357 PrintAndLog("Usage: hf mfu crdbl <block number> <key>");
1358 PrintAndLog("");
1359 PrintAndLog("sample: hf mfu crdbl 0");
1360 PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
1361 return 0;
1362 }
1363
1364 blockNo = param_get8(Cmd, 0);
1365 if (blockNo < 0) {
1366 PrintAndLog("Wrong block number");
1367 return 1;
1368 }
1369
1370 if (blockNo > MAX_ULC_BLOCKS ){
1371 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
1372 return 1;
1373 }
1374
1375 // key
1376 if ( strlen(Cmd) > 3){
1377 if (param_gethex(Cmd, 1, key, 32)) {
1378 PrintAndLog("Key must include %d HEX symbols", 32);
1379 return 1;
1380 } else {
1381 hasPwd = TRUE;
1382 }
1383 }
1384
1385 //Read Block
1386 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
1387 if ( hasPwd ) {
1388 c.arg[1] = 1;
1389 memcpy(c.d.asBytes,key,16);
1390 }
1391 SendCommand(&c);
1392
1393 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1394 uint8_t isOK = resp.arg[0] & 0xff;
1395 if (isOK) {
1396 uint8_t *data = resp.d.asBytes;
1397 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
1398 }
1399 else {
1400 PrintAndLog("Failed reading block: (%02x)", isOK);
1401 }
1402 } else {
1403 PrintAndLog("Command execute time-out");
1404 }
1405 return 0;
1406 }
1407
1408 //
1409 // Mifare Ultralight C Write Single Block
1410 //
1411 int CmdHF14AMfUCWrBl(const char *Cmd){
1412
1413 uint8_t blockNo = -1;
1414 bool chinese_card = FALSE;
1415 uint8_t bldata[16] = {0x00};
1416 UsbCommand resp;
1417
1418 char cmdp = param_getchar(Cmd, 0);
1419
1420 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
1421 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
1422 PrintAndLog(" [block number]");
1423 PrintAndLog(" [block data] - (8 hex symbols)");
1424 PrintAndLog(" [w] - Chinese magic ultralight tag");
1425 PrintAndLog("");
1426 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
1427 PrintAndLog("");
1428 return 0;
1429 }
1430
1431 blockNo = param_get8(Cmd, 0);
1432 if (blockNo > MAX_ULC_BLOCKS ){
1433 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
1434 return 1;
1435 }
1436
1437 if (param_gethex(Cmd, 1, bldata, 8)) {
1438 PrintAndLog("Block data must include 8 HEX symbols");
1439 return 1;
1440 }
1441
1442 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
1443 chinese_card = TRUE;
1444 }
1445
1446 if ( blockNo <= 3 ) {
1447 if (!chinese_card){
1448 PrintAndLog("Access Denied");
1449 return 1;
1450 } else {
1451 PrintAndLog("--Special block no: 0x%02x", blockNo);
1452 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1453 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
1454 memcpy(d.d.asBytes,bldata, 4);
1455 SendCommand(&d);
1456 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1457 uint8_t isOK = resp.arg[0] & 0xff;
1458 PrintAndLog("isOk:%02x", isOK);
1459 } else {
1460 PrintAndLog("Command execute timeout");
1461 return 1;
1462 }
1463 }
1464 } else {
1465 PrintAndLog("--Block no : 0x%02x", blockNo);
1466 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1467 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
1468 memcpy(e.d.asBytes,bldata, 4);
1469 SendCommand(&e);
1470 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1471 uint8_t isOK = resp.arg[0] & 0xff;
1472 PrintAndLog("isOk : %02x", isOK);
1473 } else {
1474 PrintAndLog("Command execute timeout");
1475 return 1;
1476 }
1477 }
1478 return 0;
1479 }
1480
1481 //
1482 // Mifare Ultralight C - Set password
1483 //
1484 int CmdHF14AMfucSetPwd(const char *Cmd){
1485
1486 uint8_t pwd[16] = {0x00};
1487
1488 char cmdp = param_getchar(Cmd, 0);
1489
1490 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1491 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
1492 PrintAndLog(" [password] - (32 hex symbols)");
1493 PrintAndLog("");
1494 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
1495 PrintAndLog("");
1496 return 0;
1497 }
1498
1499 if (param_gethex(Cmd, 0, pwd, 32)) {
1500 PrintAndLog("Password must include 32 HEX symbols");
1501 return 1;
1502 }
1503
1504 UsbCommand c = {CMD_MIFAREUC_SETPWD};
1505 memcpy( c.d.asBytes, pwd, 16);
1506 SendCommand(&c);
1507
1508 UsbCommand resp;
1509
1510 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1511 if ( (resp.arg[0] & 0xff) == 1)
1512 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
1513 else{
1514 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
1515 return 1;
1516 }
1517 }
1518 else {
1519 PrintAndLog("command execution time out");
1520 return 1;
1521 }
1522
1523 return 0;
1524 }
1525
1526 //
1527 // Magic UL / UL-C tags - Set UID
1528 //
1529 int CmdHF14AMfucSetUid(const char *Cmd){
1530
1531 UsbCommand c;
1532 UsbCommand resp;
1533 uint8_t uid[7] = {0x00};
1534 char cmdp = param_getchar(Cmd, 0);
1535
1536 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1537 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
1538 PrintAndLog(" [uid] - (14 hex symbols)");
1539 PrintAndLog("\nThis only works for Magic Ultralight tags.");
1540 PrintAndLog("");
1541 PrintAndLog("sample: hf mfu setuid 11223344556677");
1542 PrintAndLog("");
1543 return 0;
1544 }
1545
1546 if (param_gethex(Cmd, 0, uid, 14)) {
1547 PrintAndLog("UID must include 14 HEX symbols");
1548 return 1;
1549 }
1550
1551 // read block2.
1552 c.cmd = CMD_MIFAREU_READBL;
1553 c.arg[0] = 2;
1554 SendCommand(&c);
1555 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1556 PrintAndLog("Command execute timeout");
1557 return 2;
1558 }
1559
1560 // save old block2.
1561 uint8_t oldblock2[4] = {0x00};
1562 memcpy(resp.d.asBytes, oldblock2, 4);
1563
1564 // block 0.
1565 c.cmd = CMD_MIFAREU_WRITEBL;
1566 c.arg[0] = 0;
1567 c.d.asBytes[0] = uid[0];
1568 c.d.asBytes[1] = uid[1];
1569 c.d.asBytes[2] = uid[2];
1570 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
1571 SendCommand(&c);
1572 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1573 PrintAndLog("Command execute timeout");
1574 return 3;
1575 }
1576
1577 // block 1.
1578 c.arg[0] = 1;
1579 c.d.asBytes[0] = uid[3];
1580 c.d.asBytes[1] = uid[4];
1581 c.d.asBytes[2] = uid[5];
1582 c.d.asBytes[3] = uid[6];
1583 SendCommand(&c);
1584 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1585 PrintAndLog("Command execute timeout");
1586 return 4;
1587 }
1588
1589 // block 2.
1590 c.arg[0] = 2;
1591 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
1592 c.d.asBytes[1] = oldblock2[1];
1593 c.d.asBytes[2] = oldblock2[2];
1594 c.d.asBytes[3] = oldblock2[3];
1595 SendCommand(&c);
1596 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1597 PrintAndLog("Command execute timeout");
1598 return 5;
1599 }
1600
1601 return 0;
1602 }
1603
1604 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
1605
1606 uint8_t iv[8] = { 0x00 };
1607 uint8_t block = 0x07;
1608
1609 // UL-EV1
1610 //04 57 b6 e2 05 3f 80 UID
1611 //4a f8 4b 19 PWD
1612 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
1613 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
1614 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
1615 uint8_t dkeyA[8] = { 0x00 };
1616 uint8_t dkeyB[8] = { 0x00 };
1617
1618 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
1619
1620 uint8_t mix[8] = { 0x00 };
1621 uint8_t divkey[8] = { 0x00 };
1622
1623 memcpy(mix, mifarekeyA, 4);
1624
1625 mix[4] = mifarekeyA[4] ^ uid[0];
1626 mix[5] = mifarekeyA[5] ^ uid[1];
1627 mix[6] = block ^ uid[2];
1628 mix[7] = uid[3];
1629
1630 des3_context ctx = { 0x00 };
1631 des3_set2key_enc(&ctx, masterkey);
1632
1633 des3_crypt_cbc(&ctx // des3_context
1634 , DES_ENCRYPT // int mode
1635 , sizeof(mix) // length
1636 , iv // iv[8]
1637 , mix // input
1638 , divkey // output
1639 );
1640
1641 PrintAndLog("3DES version");
1642 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1643 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
1644 PrintAndLog("Sector :\t %0d", block);
1645 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1646 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
1647 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1648
1649 PrintAndLog("\n DES version");
1650
1651 for (int i=0; i < sizeof(mifarekeyA); ++i){
1652 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1653 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
1654 }
1655
1656 for (int i=0; i < sizeof(mifarekeyB); ++i){
1657 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
1658 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1659 }
1660
1661 uint8_t zeros[8] = {0x00};
1662 uint8_t newpwd[8] = {0x00};
1663 uint8_t dmkey[24] = {0x00};
1664 memcpy(dmkey, dkeyA, 8);
1665 memcpy(dmkey+8, dkeyB, 8);
1666 memcpy(dmkey+16, dkeyA, 8);
1667 memset(iv, 0x00, 8);
1668
1669 des3_set3key_enc(&ctx, dmkey);
1670
1671 des3_crypt_cbc(&ctx // des3_context
1672 , DES_ENCRYPT // int mode
1673 , sizeof(newpwd) // length
1674 , iv // iv[8]
1675 , zeros // input
1676 , newpwd // output
1677 );
1678
1679 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1680 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1681 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1682 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1683
1684 return 0;
1685 }
1686
1687 // static uint8_t * diversify_key(uint8_t * key){
1688
1689 // for(int i=0; i<16; i++){
1690 // if(i<=6) key[i]^=cuid[i];
1691 // if(i>6) key[i]^=cuid[i%7];
1692 // }
1693 // return key;
1694 // }
1695
1696 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1697 // for (int i=0; i<len; ++i){
1698
1699 // }
1700 // return;
1701 // }
1702
1703 static command_t CommandTable[] =
1704 {
1705 {"help", CmdHelp, 1, "This help"},
1706 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
1707 {"info", CmdHF14AMfUInfo, 0, "Tag information"},
1708 {"dump", CmdHF14AMfUDump, 0, "Dump Ultralight / Ultralight-C tag to binary file"},
1709 {"rdbl", CmdHF14AMfURdBl, 0, "Read block - Ultralight"},
1710 {"wrbl", CmdHF14AMfUWrBl, 0, "Write block - Ultralight"},
1711 {"crdbl", CmdHF14AMfUCRdBl, 0, "Read block - Ultralight C"},
1712 {"cwrbl", CmdHF14AMfUCWrBl, 0, "Write block - Ultralight C"},
1713 {"cauth", CmdHF14AMfucAuth, 0, "Authentication - Ultralight C"},
1714 {"setpwd", CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1715 {"setuid", CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1716 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1717 {NULL, NULL, 0, NULL}
1718 };
1719
1720 int CmdHFMFUltra(const char *Cmd){
1721 WaitForResponseTimeout(CMD_ACK,NULL,100);
1722 CmdsParse(CommandTable, Cmd);
1723 return 0;
1724 }
1725
1726 int CmdHelp(const char *Cmd){
1727 CmdsHelp(CommandTable);
1728 return 0;
1729 }
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