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1 //-----------------------------------------------------------------------------
2 // Ultralight Code (c) 2013,2014 Midnitesnake & Andy Davies of Pentura
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // High frequency MIFARE ULTRALIGHT (C) commands
9 //-----------------------------------------------------------------------------
10 #include "loclass/des.h"
11 #include "cmdhfmfu.h"
12 #include "cmdhfmf.h"
13 #include "cmdhf14a.h"
14 #include "mifare.h"
15 #include "util.h"
16 #include "protocols.h"
17
18 #define MAX_UL_BLOCKS 0x0f
19 #define MAX_ULC_BLOCKS 0x2f
20 #define MAX_ULEV1a_BLOCKS 0x0b
21 #define MAX_ULEV1b_BLOCKS 0x20
22 #define MAX_NTAG_213 0x2c
23 #define MAX_NTAG_215 0x86
24 #define MAX_NTAG_216 0xe6
25
26 #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, "0x%02X %s", id, "(Ultralight)");
59 break;
60 case 4:
61 sprintf(retStr, "0x%02X %s", id, "(NTAG)");
62 break;
63 default:
64 sprintf(retStr, "0x%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
242 uid[0] = data[0];
243 uid[1] = data[1];
244 uid[2] = data[2];
245 uid[3] = data[4];
246 uid[4] = data[5];
247 uid[5] = data[6];
248 uid[6] = data[7];
249
250 PrintAndLog(" UID : %s ", sprint_hex(uid, 7));
251 PrintAndLog(" UID[0] : %02X, Manufacturer: %s", uid[0], getTagInfo(uid[0]) );
252 if ( uid[0] == 0x05 ) {
253 uint8_t chip = (data[8] & 0xC7); // 11000111 mask, bit 3,4,5 RFU
254 switch (chip){
255 case 0xc2: PrintAndLog(" IC type : SLE 66R04P"); break;
256 case 0xc4: PrintAndLog(" IC type : SLE 66R16P"); break;
257 case 0xc6: PrintAndLog(" IC type : SLE 66R32P"); break;
258 }
259 }
260 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
261 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
262 if ( data[3] == crc0 )
263 PrintAndLog(" BCC0 : %02X - Ok", data[3]);
264 else
265 PrintAndLog(" BCC0 : %02X - crc should be %02X", data[3], crc0);
266
267 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
268 if ( data[8] == crc1 )
269 PrintAndLog(" BCC1 : %02X - Ok", data[8]);
270 else
271 PrintAndLog(" BCC1 : %02X - crc should be %02X", data[8], crc1 );
272
273 PrintAndLog(" Internal : %02X - %s default", data[9], (data[9]==0x48)?"":"not" );
274 PrintAndLog(" Lock : %s - %s", sprint_hex(data+10, 2),printBits( 2, data+10) );
275 PrintAndLog("OneTimePad : %s ", sprint_hex(data + 12, 4));
276 PrintAndLog("");
277 return 0;
278 }
279
280 static int ntag_print_CC(uint8_t *data) {
281
282 PrintAndLog("\n--- NTAG NDEF Message");
283
284 if(data[0] != 0xe1) {
285 PrintAndLog("no NDEF message");
286 return -1; // no NDEF message
287 }
288
289 PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
290 PrintAndLog(" %02X: NDEF Magic Number", data[0]);
291 PrintAndLog(" %02X: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
292 PrintAndLog(" %02X: Physical Memory Size: %d bytes", data[2], (data[2] + 1) * 8);
293 if ( data[2] == 0x12 )
294 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 144);
295 else if ( data[2] == 0x3e )
296 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 496);
297 else if ( data[2] == 0x6d )
298 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 872);
299
300 PrintAndLog(" %02X: %s / %s", data[3],
301 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
302 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
303 return 0;
304 }
305
306 int ul_print_type(uint16_t tagtype, uint8_t spaces){
307 char spc[11] = " ";
308 spc[10]=0x00;
309 char *spacer = spc + (10-spaces);
310
311 if ( tagtype & UL )
312 PrintAndLog("%sTYPE : MIFARE Ultralight (MF0ICU1) %s [%x]", spacer, (tagtype & MAGIC)?"<magic>":"", tagtype);
313 else if ( tagtype & UL_C)
314 PrintAndLog("%sTYPE : MIFARE Ultralight C (MF0ULC) %s [%x]", spacer, (tagtype & MAGIC)?"<magic>":"", tagtype );
315 else if ( tagtype & UL_EV1_48)
316 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)", spacer);
317 else if ( tagtype & UL_EV1_128)
318 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)", spacer);
319 else if ( tagtype & NTAG_213 )
320 PrintAndLog("%sTYPE : MIFARE NTAG 213 144bytes (NT2H1311G0DU)", spacer);
321 else if ( tagtype & NTAG_215 )
322 PrintAndLog("%sTYPE : MIFARE NTAG 215 504bytes (NT2H1511G0DU)", spacer);
323 else if ( tagtype & NTAG_216 )
324 PrintAndLog("%sTYPE : MIFARE NTAG 216 888bytes (NT2H1611G0DU)", spacer);
325 else if ( tagtype & MY_D )
326 PrintAndLog("%sTYPE : INFINEON my-d\x99", spacer);
327 else if ( tagtype & MY_D_NFC )
328 PrintAndLog("%sTYPE : INFINEON my-d\x99 NFC", spacer);
329 else if ( tagtype & MY_D_MOVE )
330 PrintAndLog("%sTYPE : INFINEON my-d\x99 move", spacer);
331 else if ( tagtype & MY_D_MOVE_NFC )
332 PrintAndLog("%sTYPE : INFINEON my-d\x99 move NFC", spacer);
333 else
334 PrintAndLog("%sTYPE : Unknown %04x", spacer, tagtype);
335 return 0;
336 }
337
338 static int ulc_print_3deskey( uint8_t *data){
339 PrintAndLog(" deskey1 [44/0x2C]: %s [%.4s]", sprint_hex(data ,4),data);
340 PrintAndLog(" deskey1 [45/0x2D]: %s [%.4s]", sprint_hex(data+4 ,4),data+4);
341 PrintAndLog(" deskey2 [46/0x2E]: %s [%.4s]", sprint_hex(data+8 ,4),data+8);
342 PrintAndLog(" deskey2 [47/0x2F]: %s [%.4s]", sprint_hex(data+12,4),data+12);
343 PrintAndLog("\n 3des key : %s", sprint_hex(SwapEndian64(data, 16, 8), 16));
344 return 0;
345 }
346
347 static int ulc_print_configuration( uint8_t *data){
348
349 PrintAndLog("--- UL-C Configuration");
350 PrintAndLog(" Higher Lockbits [40/0x28]: %s - %s", sprint_hex(data, 4), printBits(2, data));
351 PrintAndLog(" Counter [41/0x29]: %s - %s", sprint_hex(data+4, 4), printBits(2, data+4));
352
353 bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
354 if ( validAuth )
355 PrintAndLog(" Auth0 [42/0x2A]: %s Page %d and above need authentication", sprint_hex(data+8, 4), data[8] );
356 else{
357 if ( data[8] == 0){
358 PrintAndLog(" Auth0 [42/0x2A]: %s default", sprint_hex(data+8, 4) );
359 } else {
360 PrintAndLog(" Auth0 [42/0x2A]: %s auth byte is out-of-range", sprint_hex(data+8, 4) );
361 }
362 }
363 PrintAndLog(" Auth1 [43/0x2B]: %s %s",
364 sprint_hex(data+12, 4),
365 (data[12] & 1) ? "write access restricted": "read and write access restricted"
366 );
367 return 0;
368 }
369
370 static int ulev1_print_configuration( uint8_t *data){
371
372 PrintAndLog("\n--- UL-EV1 Configuration");
373
374 bool strg_mod_en = (data[0] & 2);
375 uint8_t authlim = (data[4] & 0x07);
376 bool cfglck = (data[4] & 0x40);
377 bool prot = (data[4] & 0x80);
378 uint8_t vctid = data[5];
379
380 PrintAndLog(" cfg0 [16/0x10]: %s", sprint_hex(data, 4));
381 if ( data[3] < 0xff )
382 PrintAndLog(" - page %d and above need authentication",data[3]);
383 else
384 PrintAndLog(" - pages don't need authentication");
385 PrintAndLog(" - strong modulation mode %s", (strg_mod_en) ? "enabled":"disabled");
386 PrintAndLog(" cfg1 [17/0x11]: %s", sprint_hex(data+4, 4) );
387 if ( authlim == 0)
388 PrintAndLog(" - Unlimited password attempts");
389 else
390 PrintAndLog(" - Max number of password attempts is %d", authlim);
391 PrintAndLog(" - user configuration %s", cfglck ? "permanently locked":"writeable");
392 PrintAndLog(" - %s access is protected with password", prot ? "read and write":"write");
393 PrintAndLog(" %02X - Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
394 PrintAndLog(" PWD [18/0x12]: %s", sprint_hex(data+8, 4));
395 PrintAndLog(" PACK [19/0x13]: %s", sprint_hex(data+12, 4));
396 return 0;
397 }
398
399 static int ulev1_print_counters(){
400 PrintAndLog("--- UL-EV1 Counters");
401 uint8_t tear[1] = {0};
402 uint8_t counter[3] = {0,0,0};
403 for ( uint8_t i = 0; i<3; ++i) {
404 ulev1_readTearing(i,tear,sizeof(tear));
405 ulev1_readCounter(i,counter, sizeof(counter) );
406 PrintAndLog(" [%0d] : %s", i, sprint_hex(counter,3));
407 PrintAndLog(" - %02X tearing %s", tear[0], ( tear[0]==0xBD)?"Ok":"failure");
408 }
409 return 0;
410 }
411
412 static int ulev1_print_signature( uint8_t *data, uint8_t len){
413 PrintAndLog("\n--- UL-EV1 Signature");
414 PrintAndLog("IC signature public key name : NXP NTAG21x 2013");
415 PrintAndLog("IC signature public key value : 04494e1a386d3d3cfe3dc10e5de68a499b1c202db5b132393e89ed19fe5be8bc61");
416 PrintAndLog(" Elliptic curve parameters : secp128r1");
417 PrintAndLog(" Tag ECC Signature : %s", sprint_hex(data, len));
418 //to do: verify if signature is valid
419 //PrintAndLog("IC signature status: %s valid", (iseccvalid() )?"":"not");
420 return 0;
421 }
422
423 static int ulev1_print_version(uint8_t *data){
424 PrintAndLog("\n--- UL-EV1 / NTAG Version");
425 PrintAndLog(" Raw bytes : %s", sprint_hex(data, 8) );
426 PrintAndLog(" Vendor ID : %02X, Manufacturer: %s", data[1], getTagInfo(data[1]));
427 PrintAndLog(" Product type : %s", getProductTypeStr(data[2]));
428 PrintAndLog(" Product subtype : %02X %s", data[3], (data[3]==1) ?"17 pF":"50pF");
429 PrintAndLog(" Major version : %02X", data[4]);
430 PrintAndLog(" Minor version : %02X", data[5]);
431 PrintAndLog(" Size : %s", getUlev1CardSizeStr(data[6]));
432 PrintAndLog(" Protocol type : %02X", data[7]);
433 return 0;
434 }
435
436 /*
437 static int ulc_magic_test(){
438 // Magic Ultralight test
439 // Magic UL-C, by observation,
440 // 1) it seems to have a static nonce response to 0x1A command.
441 // 2) the deskey bytes is not-zero:d out on as datasheet states.
442 // 3) UID - changeable, not only, but pages 0-1-2-3.
443 // 4) use the ul_magic_test ! magic tags answers specially!
444 int returnValue = UL_ERROR;
445 iso14a_card_select_t card;
446 uint8_t nonce1[11] = {0x00};
447 uint8_t nonce2[11] = {0x00};
448 int status = ul_select(&card);
449 if ( status < 1 ){
450 PrintAndLog("Error: couldn't select ulc_magic_test");
451 ul_switch_off_field();
452 return UL_ERROR;
453 }
454 status = ulc_requestAuthentication(nonce1, sizeof(nonce1));
455 if ( status > 0 ) {
456 status = ulc_requestAuthentication(nonce2, sizeof(nonce2));
457 returnValue = ( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
458 } else {
459 returnValue = UL;
460 }
461 ul_switch_off_field();
462 return returnValue;
463 }
464 */
465 static int ul_magic_test(){
466
467 // Magic Ultralight tests
468 // 1) take present UID, and try to write it back. OBSOLETE
469 // 2) make a wrong length write to page0, and see if tag answers with ACK/NACK:
470 iso14a_card_select_t card;
471 int status = ul_select(&card);
472 if ( status < 1 ){
473 PrintAndLog("iso14443a card select failed");
474 ul_switch_off_field();
475 return UL_ERROR;
476 }
477 status = ul_comp_write(0, NULL, 0);
478 ul_switch_off_field();
479 if ( status == 0 )
480 return UL_MAGIC;
481 return UL;
482 }
483
484 uint16_t GetHF14AMfU_Type(void){
485
486 TagTypeUL_t tagtype = UNKNOWN;
487 iso14a_card_select_t card;
488 uint8_t version[10] = {0x00};
489 int status = 0;
490 int len;
491
492 status = ul_select(&card);
493 if ( status < 1 ){
494 PrintAndLog("Error: couldn't select");
495 ul_switch_off_field();
496 return UL_ERROR;
497 }
498 // Ultralight - ATQA / SAK
499 if ( card.atqa[1] != 0x00 || card.atqa[0] != 0x44 || card.sak != 0x00 ) {
500 PrintAndLog("Tag is not Ultralight | NTAG | MY-D [ATQA: %02X %02X SAK: %02X]\n", card.atqa[1], card.atqa[0], card.sak);
501 ul_switch_off_field();
502 return UL_ERROR;
503 }
504
505 if ( card.uid[0] != 0x05) {
506
507 len = ulev1_getVersion(version, sizeof(version));
508 if (len > -1) ul_switch_off_field(); //if -1 it is already off
509
510 switch (len) {
511 case 0x0A: {
512
513 if ( version[2] == 0x03 && version[6] == 0x0B )
514 tagtype = UL_EV1_48;
515 else if ( version[2] == 0x03 && version[6] != 0x0B )
516 tagtype = UL_EV1_128;
517 else if ( version[2] == 0x04 && version[6] == 0x0F )
518 tagtype = NTAG_213;
519 else if ( version[2] == 0x04 && version[6] == 0x11 )
520 tagtype = NTAG_215;
521 else if ( version[2] == 0x04 && version[6] == 0x13 )
522 tagtype = NTAG_216;
523 else if ( version[2] == 0x04 )
524 tagtype = NTAG;
525
526 break;
527 }
528 case 0x01: tagtype = UL_C; break;
529 case 0x00: tagtype = UL; break;
530 case -1 : tagtype = (UL | UL_C); break; //when does this happen?
531 default : tagtype = UNKNOWN; break;
532 }
533 // UL-C test
534 if (tagtype == (UL | UL_C)) {
535 status = ul_select(&card);
536 if ( status < 1 ){
537 PrintAndLog("iso14443a card select failed (UL-C)");
538 ul_switch_off_field();
539 return UL_ERROR;
540 }
541 uint8_t nonce1[11] = {0x00};
542 status = ulc_requestAuthentication(nonce1, sizeof(nonce1));
543 tagtype = ( status > 0 ) ? UL_C : UL;
544
545 if (status != -1) ul_switch_off_field();
546 }
547 } else {
548 // Infinition MY-D tests Exam high nibble
549 uint8_t nib = (card.uid[1] & 0xf0) >> 4;
550 switch ( nib ){
551 case 1: tagtype = MY_D; break;
552 case 2: tagtype = (MY_D | MY_D_NFC); break;
553 case 3: tagtype = (MY_D_MOVE | MY_D_MOVE_NFC); break;
554 }
555 }
556
557 tagtype = (ul_magic_test() == UL_MAGIC) ? (tagtype | MAGIC) : tagtype;
558 //if ((tagtype & UL)) tagtype = ul_magic_test();
559
560 return tagtype;
561 }
562
563 int CmdHF14AMfUInfo(const char *Cmd){
564
565 uint8_t authlim = 0xff;
566 uint8_t data[16] = {0x00};
567 iso14a_card_select_t card;
568 uint8_t *key;
569 int status;
570 bool errors = false;
571 bool hasAuthKey = false;
572 uint8_t cmdp = 0;
573 uint8_t datalen = 0;
574 uint8_t authenticationkey[16] = {0x00};
575 uint8_t pack[4] = {0,0,0,0};
576
577 while(param_getchar(Cmd, cmdp) != 0x00)
578 {
579 switch(param_getchar(Cmd, cmdp))
580 {
581 case 'h':
582 case 'H':
583 return usage_hf_mfu_info();
584 case 'k':
585 case 'K':
586 // EV1/NTAG size key
587 datalen = param_gethex(Cmd, cmdp+1, data, 8);
588 if ( !datalen ) {
589 memcpy(authenticationkey, data, 4);
590 cmdp += 2;
591 hasAuthKey = true;
592 break;
593 }
594 // UL-C size key
595 datalen = param_gethex(Cmd, cmdp+1, data, 32);
596 if (!datalen){
597 memcpy(authenticationkey, data, 16);
598 cmdp += 2;
599 hasAuthKey = true;
600 break;
601 }
602 errors = true;
603 break;
604 default:
605 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
606 errors = true;
607 break;
608 }
609 if(errors) break;
610 }
611
612 //Validations
613 if(errors) return usage_hf_mfu_info();
614
615 TagTypeUL_t tagtype = GetHF14AMfU_Type();
616 if (tagtype == UL_ERROR) return -1;
617
618 PrintAndLog("\n--- Tag Information ---------");
619 PrintAndLog("-------------------------------------------------------------");
620 ul_print_type(tagtype, 6);
621
622 status = ul_select(&card);
623 if ( status < 1 ){
624 PrintAndLog("iso14443a card select failed");
625 ul_switch_off_field();
626 return status;
627 }
628
629 if ( hasAuthKey ) {
630 if ((tagtype & UL_C))
631 try3DesAuthentication(authenticationkey);
632 else
633 ulev1_requestAuthentication(authenticationkey, pack, sizeof(pack));
634 }
635
636 // read pages 0,1,2,4 (should read 4pages)
637 status = ul_read(0, data, sizeof(data));
638 if ( status == -1 ){
639 PrintAndLog("Error: tag didn't answer to READ");
640 return status;
641 }
642
643 ul_print_default(data);
644
645 if ((tagtype & UL_C)){
646
647 // read pages 0x28, 0x29, 0x2A, 0x2B
648 uint8_t ulc_conf[16] = {0x00};
649 status = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
650 if ( status == -1 ){
651 PrintAndLog("Error: tag didn't answer to READ UL-C");
652 return status;
653 }
654 ulc_print_configuration(ulc_conf);
655
656 if ((tagtype & MAGIC)){
657
658 uint8_t ulc_deskey[16] = {0x00};
659 status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
660 if ( status == -1 ){
661 PrintAndLog("Error: tag didn't answer to READ magic");
662 return status;
663 }
664 ulc_print_3deskey(ulc_deskey);
665
666 } else {
667 // if we called info with key, just return
668 if ( hasAuthKey ) return 1;
669
670 PrintAndLog("Trying some default 3des keys");
671 ul_switch_off_field();
672 for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ){
673 key = default_3des_keys[i];
674 if (try3DesAuthentication(key) == 1){
675 PrintAndLog("Found default 3des key: "); //%s", sprint_hex(key,16));
676 uint8_t keySwap[16];
677 memcpy(keySwap, SwapEndian64(key,16,8), 16);
678 ulc_print_3deskey(keySwap);
679 return 1;
680 }
681 }
682 }
683 }
684
685 if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
686 //do counters and signature first (don't neet auth)
687 ulev1_print_counters();
688
689 uint8_t ulev1_signature[32] = {0x00};
690 status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
691 if ( status == -1 ){
692 PrintAndLog("Error: tag didn't answer to READ SIGNATURE");
693 return status;
694 }
695 ulev1_print_signature( ulev1_signature, sizeof(ulev1_signature));
696
697 uint8_t startconfigblock = (tagtype & UL_EV1_48) ? 0x10 : 0x25;
698 uint8_t ulev1_conf[16] = {0x00};
699 status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
700 if ( status == -1 ){
701 PrintAndLog("Error: tag didn't answer to READ EV1");
702 return status;
703 }
704 // save AUTHENTICATION LIMITS for later:
705 authlim = (ulev1_conf[4] & 0x07);
706 bool allZeros = true;
707 for (uint8_t idx=0; idx<8; idx++)
708 if (ulev1_conf[idx]) allZeros = false;
709
710 if (allZeros) authlim=7;
711 ulev1_print_configuration(ulev1_conf);
712 }
713
714 if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216))) {
715
716 uint8_t version[10] = {0x00};
717 status = ulev1_getVersion(version, sizeof(version));
718 if ( status == -1 ){
719 PrintAndLog("Error: tag didn't answer to GETVERSION");
720 return status;
721 }
722 ulev1_print_version(version);
723
724 // if we called info with key, just return
725 if ( hasAuthKey ) return 1;
726
727 // AUTHLIMIT, (number of failed authentications)
728 // 0 = limitless.
729 // 1-7 = ... should we even try then?
730 if ( authlim == 0 ){
731 PrintAndLog("\n--- Known EV1/NTAG passwords.");
732
733 int len=0; //if len goes to -1 the connection will be turned off.
734 for (uint8_t i = 0; i < 3; ++i ){
735 key = default_pwd_pack[i];
736 if ( len > -1 ){
737 len = ulev1_requestAuthentication(key, pack, sizeof(pack));
738 PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
739 break;
740 }
741 }
742 if (len > -1) ul_switch_off_field();
743 }
744 }
745
746 if ((tagtype & (NTAG_213 | NTAG_215 | NTAG_216))){
747
748 uint8_t cc[16] = {0x00};
749 status = ul_read(3, cc, sizeof(cc));
750 if ( status == -1 ){
751 PrintAndLog("Error: tag didn't answer to READ ntag");
752 return status;
753 }
754 ntag_print_CC(cc);
755 }
756
757 ul_switch_off_field();
758 PrintAndLog("");
759 return 1;
760 }
761
762 //
763 // Mifare Ultralight Write Single Block
764 //
765 int CmdHF14AMfUWrBl(const char *Cmd){
766 uint8_t blockNo = -1;
767 bool chinese_card = FALSE;
768 uint8_t bldata[16] = {0x00};
769 UsbCommand resp;
770
771 char cmdp = param_getchar(Cmd, 0);
772 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
773 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
774 PrintAndLog(" [block number]");
775 PrintAndLog(" [block data] - (8 hex symbols)");
776 PrintAndLog(" [w] - Chinese magic ultralight tag");
777 PrintAndLog("");
778 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
779 PrintAndLog("");
780 return 0;
781 }
782
783 blockNo = param_get8(Cmd, 0);
784
785 if (blockNo > MAX_UL_BLOCKS){
786 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
787 return 1;
788 }
789
790 if (param_gethex(Cmd, 1, bldata, 8)) {
791 PrintAndLog("Block data must include 8 HEX symbols");
792 return 1;
793 }
794
795 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
796 chinese_card = TRUE;
797 }
798
799 if ( blockNo <= 3) {
800 if (!chinese_card){
801 PrintAndLog("Access Denied");
802 } else {
803 PrintAndLog("--specialblock no:%02x", blockNo);
804 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
805 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
806 memcpy(d.d.asBytes,bldata, 4);
807 SendCommand(&d);
808 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
809 uint8_t isOK = resp.arg[0] & 0xff;
810 PrintAndLog("isOk:%02x", isOK);
811 } else {
812 PrintAndLog("Command execute timeout");
813 }
814 }
815 } else {
816 PrintAndLog("--block no:%02x", blockNo);
817 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
818 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
819 memcpy(e.d.asBytes,bldata, 4);
820 SendCommand(&e);
821 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
822 uint8_t isOK = resp.arg[0] & 0xff;
823 PrintAndLog("isOk:%02x", isOK);
824 } else {
825 PrintAndLog("Command execute timeout");
826 }
827 }
828 return 0;
829 }
830
831 //
832 // Mifare Ultralight Read Single Block
833 //
834 int CmdHF14AMfURdBl(const char *Cmd){
835
836 UsbCommand resp;
837 uint8_t blockNo = -1;
838 char cmdp = param_getchar(Cmd, 0);
839
840 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
841 PrintAndLog("Usage: hf mfu rdbl <block number>");
842 PrintAndLog(" sample: hfu mfu rdbl 0");
843 return 0;
844 }
845
846 blockNo = param_get8(Cmd, 0);
847
848 if (blockNo > MAX_UL_BLOCKS){
849 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
850 return 1;
851 }
852
853 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
854 SendCommand(&c);
855
856
857 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
858 uint8_t isOK = resp.arg[0] & 0xff;
859 if (isOK) {
860 uint8_t *data = resp.d.asBytes;
861 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
862 }
863 else {
864 PrintAndLog("Failed reading block: (%02x)", isOK);
865 }
866 } else {
867 PrintAndLog("Command execute time-out");
868 }
869
870 return 0;
871 }
872
873 int usage_hf_mfu_info(void)
874 {
875 PrintAndLog("It gathers information about the tag and tries to detect what kind it is.");
876 PrintAndLog("Sometimes the tags are locked down, and you may need a key to be able to read the information");
877 PrintAndLog("The following tags can be identified:\n");
878 PrintAndLog("Ultralight, Ultralight-C, Ultralight EV1");
879 PrintAndLog("NTAG 213, NTAG 215, NTAG 216");
880 PrintAndLog("my-d, my-d NFC, my-d move, my-d move NFC\n");
881 PrintAndLog("Usage: hf mfu info k <key>");
882 PrintAndLog(" Options : ");
883 PrintAndLog(" k <key> : key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
884 PrintAndLog("");
885 PrintAndLog(" sample : hf mfu info");
886 PrintAndLog(" : hf mfu info k 11223344");
887 return 0;
888 }
889
890 int usage_hf_mfu_dump(void)
891 {
892 PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
893 PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
894 PrintAndLog("It autodetects card type.\n");
895 PrintAndLog("Usage: hf mfu dump s k <key> n <filename w/o .bin>");
896 PrintAndLog(" Options : ");
897 PrintAndLog(" k <key> : Enter key for authentication");
898 PrintAndLog(" n <FN > : Enter filename w/o .bin to save the dump as");
899 PrintAndLog(" s : Swap entered key's endianness for auth");
900 PrintAndLog("");
901 PrintAndLog(" sample : hf mfu dump");
902 PrintAndLog(" : hf mfu dump n myfile");
903 PrintAndLog(" : hf mfu dump k 00112233445566778899AABBCCDDEEFF");
904 return 0;
905 }
906
907 //
908 // Mifare Ultralight / Ultralight-C / Ultralight-EV1
909 // Read and Dump Card Contents, using auto detection of tag size.
910 //
911 // TODO: take a password to read UL-C / UL-EV1 tags.
912 int CmdHF14AMfUDump(const char *Cmd){
913
914 FILE *fout;
915 char filename[FILE_PATH_SIZE] = {0x00};
916 char *fnameptr = filename;
917 char *str = "Dumping Ultralight%s%s Card Data...";
918 uint8_t *lockbytes_t = NULL;
919 uint8_t lockbytes[2] = {0x00};
920 uint8_t *lockbytes_t2 = NULL;
921 uint8_t lockbytes2[2] = {0x00};
922 bool bit[16] = {0x00};
923 bool bit2[16] = {0x00};
924 uint8_t data[1024] = {0x00};
925 bool hasPwd = false;
926 int i = 0;
927 int Pages = 16;
928 bool tmplockbit = false;
929 uint8_t dataLen=0;
930 uint8_t cmdp =0;
931 uint8_t key[16] = {0x00};
932 uint8_t *keyPtr = key;
933 size_t fileNlen = 0;
934 bool errors = false;
935 bool swapEndian = false;
936
937 while(param_getchar(Cmd, cmdp) != 0x00)
938 {
939 switch(param_getchar(Cmd, cmdp))
940 {
941 case 'h':
942 case 'H':
943 return usage_hf_mfu_dump();
944 case 'k':
945 case 'K':
946 dataLen = param_gethex(Cmd, cmdp+1, data, 32);
947 if (dataLen) {
948 errors = true;
949 } else {
950 memcpy(key, data, 16);
951 }
952 cmdp += 2;
953 hasPwd = true;
954 break;
955 case 'n':
956 case 'N':
957 fileNlen = param_getstr(Cmd, cmdp+1, filename);
958 if (!fileNlen) errors = true;
959 if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
960 cmdp += 2;
961 break;
962 case 's':
963 swapEndian = true;
964 cmdp++;
965 break;
966 default:
967 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
968 errors = true;
969 break;
970 }
971 if(errors) break;
972 }
973
974 //Validations
975 if(errors) return usage_hf_mfu_dump();
976
977 if (swapEndian)
978 keyPtr = SwapEndian64(data, 16, 8);
979
980 TagTypeUL_t tagtype = GetHF14AMfU_Type();
981 if (tagtype == UL_ERROR) return -1;
982
983 if ( tagtype & UL ) {
984 Pages = 16;
985 PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" );
986 }
987 else if ( tagtype & UL_C ) {
988 Pages = 44;
989 PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" );
990 }
991 else if ( tagtype & UL_EV1_48 ) {
992 Pages = 18;
993 PrintAndLog(str," EV1_48","");
994 }
995 else if ( tagtype & UL_EV1_128 ) {
996 Pages = 32;
997 PrintAndLog(str," EV1_128","");
998 } else {
999 Pages = 16;
1000 PrintAndLog("Dumping unknown Ultralight, using default values.");
1001 }
1002
1003 UsbCommand c = {CMD_MIFAREUC_READCARD, {0,Pages}};
1004 if ( hasPwd ) {
1005 c.arg[2] = 1;
1006 memcpy(c.d.asBytes, key, 16);
1007 }
1008 SendCommand(&c);
1009 UsbCommand resp;
1010 if (!WaitForResponseTimeout(CMD_ACK, &resp,1500)) {
1011 PrintAndLog("Command execute time-out");
1012 return 1;
1013 }
1014 PrintAndLog ("%u,%u",resp.arg[0],resp.arg[1]);
1015 uint8_t isOK = resp.arg[0] & 0xff;
1016 if (isOK) {
1017 memcpy(data, resp.d.asBytes, resp.arg[1]);
1018 } else {
1019 PrintAndLog("Failed reading block: (%02x)", i);
1020 return 1;
1021 }
1022
1023 // Load lock bytes.
1024 int j = 0;
1025
1026 lockbytes_t = data + 8;
1027 lockbytes[0] = lockbytes_t[2];
1028 lockbytes[1] = lockbytes_t[3];
1029 for(j = 0; j < 16; j++){
1030 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
1031 }
1032
1033 // Load bottom lockbytes if available
1034 if ( Pages == 44 ) {
1035 lockbytes_t2 = data + (40*4);
1036 lockbytes2[0] = lockbytes_t2[2];
1037 lockbytes2[1] = lockbytes_t2[3];
1038 for (j = 0; j < 16; j++) {
1039 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
1040 }
1041 }
1042
1043 // add keys
1044 if (hasPwd){
1045 memcpy(data + Pages*4, key, 16);
1046 Pages += 4;
1047 }
1048 for (i = 0; i < Pages; ++i) {
1049 if ( i < 3 ) {
1050 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
1051 continue;
1052 }
1053 switch(i){
1054 case 3: tmplockbit = bit[4]; break;
1055 case 4: tmplockbit = bit[3]; break;
1056 case 5: tmplockbit = bit[2]; break;
1057 case 6: tmplockbit = bit[1]; break;
1058 case 7: tmplockbit = bit[0]; break;
1059 case 8: tmplockbit = bit[15]; break;
1060 case 9: tmplockbit = bit[14]; break;
1061 case 10: tmplockbit = bit[13]; break;
1062 case 11: tmplockbit = bit[12]; break;
1063 case 12: tmplockbit = bit[11]; break;
1064 case 13: tmplockbit = bit[10]; break;
1065 case 14: tmplockbit = bit[9]; break;
1066 case 15: tmplockbit = bit[8]; break;
1067 case 16:
1068 case 17:
1069 case 18:
1070 case 19: tmplockbit = bit2[6]; break;
1071 case 20:
1072 case 21:
1073 case 22:
1074 case 23: tmplockbit = bit2[5]; break;
1075 case 24:
1076 case 25:
1077 case 26:
1078 case 27: tmplockbit = bit2[4]; break;
1079 case 28:
1080 case 29:
1081 case 30:
1082 case 31: tmplockbit = bit2[2]; break;
1083 case 32:
1084 case 33:
1085 case 34:
1086 case 35: tmplockbit = bit2[1]; break;
1087 case 36:
1088 case 37:
1089 case 38:
1090 case 39: tmplockbit = bit2[0]; break;
1091 case 40: tmplockbit = bit2[12]; break;
1092 case 41: tmplockbit = bit2[11]; break;
1093 case 42: tmplockbit = bit2[10]; break; //auth0
1094 case 43: tmplockbit = bit2[9]; break; //auth1
1095 default: break;
1096 }
1097 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
1098 }
1099
1100 // user supplied filename?
1101 if (fileNlen < 1) {
1102 // UID = data 0-1-2 4-5-6-7 (skips a beat)
1103 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
1104 data[0],data[1], data[2], data[4],data[5],data[6], data[7]);
1105 } else {
1106 sprintf(fnameptr + fileNlen,".bin");
1107 }
1108
1109 if ((fout = fopen(filename,"wb")) == NULL) {
1110 PrintAndLog("Could not create file name %s", filename);
1111 return 1;
1112 }
1113 fwrite( data, 1, Pages*4, fout );
1114 fclose(fout);
1115
1116 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
1117 return 0;
1118 }
1119
1120 // Needed to Authenticate to Ultralight C tags
1121 void rol (uint8_t *data, const size_t len){
1122 uint8_t first = data[0];
1123 for (size_t i = 0; i < len-1; i++) {
1124 data[i] = data[i+1];
1125 }
1126 data[len-1] = first;
1127 }
1128
1129 //-------------------------------------------------------------------------------
1130 // Ultralight C Methods
1131 //-------------------------------------------------------------------------------
1132
1133 //
1134 // Ultralight C Authentication Demo {currently uses hard-coded key}
1135 //
1136 int CmdHF14AMfucAuth(const char *Cmd){
1137
1138 uint8_t keyNo = 0;
1139 bool errors = false;
1140
1141 char cmdp = param_getchar(Cmd, 0);
1142
1143 //Change key to user defined one
1144 if (cmdp == 'k' || cmdp == 'K'){
1145 keyNo = param_get8(Cmd, 1);
1146 if(keyNo > 6)
1147 errors = true;
1148 }
1149
1150 if (cmdp == 'h' || cmdp == 'H')
1151 errors = true;
1152
1153 if (errors) {
1154 PrintAndLog("Usage: hf mfu cauth k <key number>");
1155 PrintAndLog(" 0 (default): 3DES standard key");
1156 PrintAndLog(" 1 : all 0x00 key");
1157 PrintAndLog(" 2 : 0x00-0x0F key");
1158 PrintAndLog(" 3 : nfc key");
1159 PrintAndLog(" 4 : all 0x01 key");
1160 PrintAndLog(" 5 : all 0xff key");
1161 PrintAndLog(" 6 : 0x00-0xFF key");
1162 PrintAndLog("\n sample : hf mfu cauth k");
1163 PrintAndLog(" : hf mfu cauth k 3");
1164 return 0;
1165 }
1166
1167 uint8_t *key = default_3des_keys[keyNo];
1168 if (try3DesAuthentication(key)>0)
1169 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
1170 else
1171 PrintAndLog("Authentication failed");
1172
1173 return 0;
1174 }
1175
1176 int try3DesAuthentication( uint8_t *key){
1177
1178 uint32_t cuid = 0;
1179
1180 des3_context ctx = { 0 };
1181
1182 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
1183 uint8_t random_b[8] = { 0 };
1184 uint8_t enc_random_b[8] = { 0 };
1185 uint8_t rnd_ab[16] = { 0 };
1186 uint8_t iv[8] = { 0 };
1187
1188 UsbCommand c = {CMD_MIFAREUC_AUTH1, {0x00}};
1189 SendCommand(&c);
1190 UsbCommand resp;
1191 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
1192 if ( !(resp.arg[0] & 0xff) ) return -2;
1193
1194 cuid = resp.arg[1];
1195 memcpy(enc_random_b,resp.d.asBytes+1,8);
1196
1197 des3_set2key_dec(&ctx, key);
1198 // context, mode, length, IV, input, output
1199 des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
1200
1201 rol(random_b,8);
1202 memcpy(rnd_ab ,random_a,8);
1203 memcpy(rnd_ab+8,random_b,8);
1204
1205 des3_set2key_enc(&ctx, key);
1206 // context, mode, length, IV, input, output
1207 des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
1208
1209 //Auth2
1210 c.cmd = CMD_MIFAREUC_AUTH2;
1211 c.arg[0] = cuid;
1212 memcpy(c.d.asBytes, rnd_ab, 16);
1213 SendCommand(&c);
1214
1215 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
1216 if ( !(resp.arg[0] & 0xff)) return -2;
1217
1218 uint8_t enc_resp[8] = { 0 };
1219 uint8_t resp_random_a[8] = { 0 };
1220 memcpy(enc_resp, resp.d.asBytes+1, 8);
1221
1222 des3_set2key_dec(&ctx, key);
1223 // context, mode, length, IV, input, output
1224 des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
1225
1226 if ( !memcmp(resp_random_a, random_a, 8))
1227 return 1;
1228 return 0;
1229
1230 //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8));
1231 //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8));
1232 //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8));
1233 //PrintAndLog(" A+B :%s", sprint_hex(random_a_and_b, 16));
1234 //PrintAndLog(" enc(A+B) :%s", sprint_hex(random_a_and_b, 16));
1235 //PrintAndLog(" enc(RndA') :%s", sprint_hex(data2+1, 8));
1236 }
1237
1238 /**
1239 A test function to validate that the polarssl-function works the same
1240 was as the openssl-implementation.
1241 Commented out, since it requires openssl
1242
1243 int CmdTestDES(const char * cmd)
1244 {
1245 uint8_t key[16] = {0x00};
1246
1247 memcpy(key,key3_3des_data,16);
1248 DES_cblock RndA, RndB;
1249
1250 PrintAndLog("----------OpenSSL DES implementation----------");
1251 {
1252 uint8_t e_RndB[8] = {0x00};
1253 unsigned char RndARndB[16] = {0x00};
1254
1255 DES_cblock iv = { 0 };
1256 DES_key_schedule ks1,ks2;
1257 DES_cblock key1,key2;
1258
1259 memcpy(key,key3_3des_data,16);
1260 memcpy(key1,key,8);
1261 memcpy(key2,key+8,8);
1262
1263
1264 DES_set_key((DES_cblock *)key1,&ks1);
1265 DES_set_key((DES_cblock *)key2,&ks2);
1266
1267 DES_random_key(&RndA);
1268 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
1269 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
1270 //void DES_ede2_cbc_encrypt(const unsigned char *input,
1271 // unsigned char *output, long length, DES_key_schedule *ks1,
1272 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
1273 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
1274
1275 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
1276 rol(RndB,8);
1277 memcpy(RndARndB,RndA,8);
1278 memcpy(RndARndB+8,RndB,8);
1279 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
1280 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
1281 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
1282
1283 }
1284 PrintAndLog("----------PolarSSL implementation----------");
1285 {
1286 uint8_t random_a[8] = { 0 };
1287 uint8_t enc_random_a[8] = { 0 };
1288 uint8_t random_b[8] = { 0 };
1289 uint8_t enc_random_b[8] = { 0 };
1290 uint8_t random_a_and_b[16] = { 0 };
1291 des3_context ctx = { 0 };
1292
1293 memcpy(random_a, RndA,8);
1294
1295 uint8_t output[8] = { 0 };
1296 uint8_t iv[8] = { 0 };
1297
1298 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
1299 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
1300
1301 des3_set2key_dec(&ctx, key);
1302
1303 des3_crypt_cbc(&ctx // des3_context *ctx
1304 , DES_DECRYPT // int mode
1305 , sizeof(random_b) // size_t length
1306 , iv // unsigned char iv[8]
1307 , enc_random_b // const unsigned char *input
1308 , random_b // unsigned char *output
1309 );
1310
1311 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
1312
1313 rol(random_b,8);
1314 memcpy(random_a_and_b ,random_a,8);
1315 memcpy(random_a_and_b+8,random_b,8);
1316
1317 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
1318
1319 des3_set2key_enc(&ctx, key);
1320
1321 des3_crypt_cbc(&ctx // des3_context *ctx
1322 , DES_ENCRYPT // int mode
1323 , sizeof(random_a_and_b) // size_t length
1324 , enc_random_b // unsigned char iv[8]
1325 , random_a_and_b // const unsigned char *input
1326 , random_a_and_b // unsigned char *output
1327 );
1328
1329 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
1330 }
1331 return 0;
1332 }
1333 **/
1334
1335 //
1336 // Ultralight C Read Single Block
1337 //
1338 int CmdHF14AMfUCRdBl(const char *Cmd)
1339 {
1340 UsbCommand resp;
1341 bool hasPwd = FALSE;
1342 uint8_t blockNo = -1;
1343 uint8_t key[16];
1344 char cmdp = param_getchar(Cmd, 0);
1345
1346 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
1347 PrintAndLog("Usage: hf mfu crdbl <block number> <key>");
1348 PrintAndLog("");
1349 PrintAndLog("sample: hf mfu crdbl 0");
1350 PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
1351 return 0;
1352 }
1353
1354 blockNo = param_get8(Cmd, 0);
1355 if (blockNo < 0) {
1356 PrintAndLog("Wrong block number");
1357 return 1;
1358 }
1359
1360 if (blockNo > MAX_ULC_BLOCKS ){
1361 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
1362 return 1;
1363 }
1364
1365 // key
1366 if ( strlen(Cmd) > 3){
1367 if (param_gethex(Cmd, 1, key, 32)) {
1368 PrintAndLog("Key must include %d HEX symbols", 32);
1369 return 1;
1370 } else {
1371 hasPwd = TRUE;
1372 }
1373 }
1374 //uint8_t *key2 = SwapEndian64(key, 16, 8);
1375
1376 //Read Block
1377 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
1378 if ( hasPwd ) {
1379 c.arg[1] = 1;
1380 memcpy(c.d.asBytes,key,16);
1381 }
1382 SendCommand(&c);
1383
1384 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1385 uint8_t isOK = resp.arg[0] & 0xff;
1386 if (isOK) {
1387 uint8_t *data = resp.d.asBytes;
1388 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
1389 }
1390 else {
1391 PrintAndLog("Failed reading block: (%02x)", isOK);
1392 }
1393 } else {
1394 PrintAndLog("Command execute time-out");
1395 }
1396 return 0;
1397 }
1398
1399 //
1400 // Mifare Ultralight C Write Single Block
1401 //
1402 int CmdHF14AMfUCWrBl(const char *Cmd){
1403
1404 uint8_t blockNo = -1;
1405 bool chinese_card = FALSE;
1406 uint8_t bldata[16] = {0x00};
1407 UsbCommand resp;
1408
1409 char cmdp = param_getchar(Cmd, 0);
1410
1411 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
1412 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
1413 PrintAndLog(" [block number]");
1414 PrintAndLog(" [block data] - (8 hex symbols)");
1415 PrintAndLog(" [w] - Chinese magic ultralight tag");
1416 PrintAndLog("");
1417 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
1418 PrintAndLog("");
1419 return 0;
1420 }
1421
1422 blockNo = param_get8(Cmd, 0);
1423 if (blockNo > MAX_ULC_BLOCKS ){
1424 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
1425 return 1;
1426 }
1427
1428 if (param_gethex(Cmd, 1, bldata, 8)) {
1429 PrintAndLog("Block data must include 8 HEX symbols");
1430 return 1;
1431 }
1432
1433 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
1434 chinese_card = TRUE;
1435 }
1436
1437 if ( blockNo <= 3 ) {
1438 if (!chinese_card){
1439 PrintAndLog("Access Denied");
1440 return 1;
1441 } else {
1442 PrintAndLog("--Special block no: 0x%02x", blockNo);
1443 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1444 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
1445 memcpy(d.d.asBytes,bldata, 4);
1446 SendCommand(&d);
1447 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1448 uint8_t isOK = resp.arg[0] & 0xff;
1449 PrintAndLog("isOk:%02x", isOK);
1450 } else {
1451 PrintAndLog("Command execute timeout");
1452 return 1;
1453 }
1454 }
1455 } else {
1456 PrintAndLog("--Block no : 0x%02x", blockNo);
1457 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1458 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
1459 memcpy(e.d.asBytes,bldata, 4);
1460 SendCommand(&e);
1461 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1462 uint8_t isOK = resp.arg[0] & 0xff;
1463 PrintAndLog("isOk : %02x", isOK);
1464 } else {
1465 PrintAndLog("Command execute timeout");
1466 return 1;
1467 }
1468 }
1469 return 0;
1470 }
1471
1472 //
1473 // Mifare Ultralight C - Set password
1474 //
1475 int CmdHF14AMfucSetPwd(const char *Cmd){
1476
1477 uint8_t pwd[16] = {0x00};
1478
1479 char cmdp = param_getchar(Cmd, 0);
1480
1481 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1482 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
1483 PrintAndLog(" [password] - (32 hex symbols)");
1484 PrintAndLog("");
1485 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
1486 PrintAndLog("");
1487 return 0;
1488 }
1489
1490 if (param_gethex(Cmd, 0, pwd, 32)) {
1491 PrintAndLog("Password must include 32 HEX symbols");
1492 return 1;
1493 }
1494
1495 UsbCommand c = {CMD_MIFAREUC_SETPWD};
1496 memcpy( c.d.asBytes, pwd, 16);
1497 SendCommand(&c);
1498
1499 UsbCommand resp;
1500
1501 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1502 if ( (resp.arg[0] & 0xff) == 1)
1503 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
1504 else{
1505 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
1506 return 1;
1507 }
1508 }
1509 else {
1510 PrintAndLog("command execution time out");
1511 return 1;
1512 }
1513
1514 return 0;
1515 }
1516
1517 //
1518 // Magic UL / UL-C tags - Set UID
1519 //
1520 int CmdHF14AMfucSetUid(const char *Cmd){
1521
1522 UsbCommand c;
1523 UsbCommand resp;
1524 uint8_t uid[7] = {0x00};
1525 char cmdp = param_getchar(Cmd, 0);
1526
1527 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1528 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
1529 PrintAndLog(" [uid] - (14 hex symbols)");
1530 PrintAndLog("\nThis only works for Magic Ultralight tags.");
1531 PrintAndLog("");
1532 PrintAndLog("sample: hf mfu setuid 11223344556677");
1533 PrintAndLog("");
1534 return 0;
1535 }
1536
1537 if (param_gethex(Cmd, 0, uid, 14)) {
1538 PrintAndLog("UID must include 14 HEX symbols");
1539 return 1;
1540 }
1541
1542 // read block2.
1543 c.cmd = CMD_MIFAREU_READBL;
1544 c.arg[0] = 2;
1545 SendCommand(&c);
1546 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1547 PrintAndLog("Command execute timeout");
1548 return 2;
1549 }
1550
1551 // save old block2.
1552 uint8_t oldblock2[4] = {0x00};
1553 memcpy(resp.d.asBytes, oldblock2, 4);
1554
1555 // block 0.
1556 c.cmd = CMD_MIFAREU_WRITEBL;
1557 c.arg[0] = 0;
1558 c.d.asBytes[0] = uid[0];
1559 c.d.asBytes[1] = uid[1];
1560 c.d.asBytes[2] = uid[2];
1561 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
1562 SendCommand(&c);
1563 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1564 PrintAndLog("Command execute timeout");
1565 return 3;
1566 }
1567
1568 // block 1.
1569 c.arg[0] = 1;
1570 c.d.asBytes[0] = uid[3];
1571 c.d.asBytes[1] = uid[4];
1572 c.d.asBytes[2] = uid[5];
1573 c.d.asBytes[3] = uid[6];
1574 SendCommand(&c);
1575 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1576 PrintAndLog("Command execute timeout");
1577 return 4;
1578 }
1579
1580 // block 2.
1581 c.arg[0] = 2;
1582 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
1583 c.d.asBytes[1] = oldblock2[1];
1584 c.d.asBytes[2] = oldblock2[2];
1585 c.d.asBytes[3] = oldblock2[3];
1586 SendCommand(&c);
1587 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1588 PrintAndLog("Command execute timeout");
1589 return 5;
1590 }
1591
1592 return 0;
1593 }
1594
1595 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
1596
1597 uint8_t iv[8] = { 0x00 };
1598 uint8_t block = 0x07;
1599
1600 // UL-EV1
1601 //04 57 b6 e2 05 3f 80 UID
1602 //4a f8 4b 19 PWD
1603 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
1604 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
1605 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
1606 uint8_t dkeyA[8] = { 0x00 };
1607 uint8_t dkeyB[8] = { 0x00 };
1608
1609 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
1610
1611 uint8_t mix[8] = { 0x00 };
1612 uint8_t divkey[8] = { 0x00 };
1613
1614 memcpy(mix, mifarekeyA, 4);
1615
1616 mix[4] = mifarekeyA[4] ^ uid[0];
1617 mix[5] = mifarekeyA[5] ^ uid[1];
1618 mix[6] = block ^ uid[2];
1619 mix[7] = uid[3];
1620
1621 des3_context ctx = { 0x00 };
1622 des3_set2key_enc(&ctx, masterkey);
1623
1624 des3_crypt_cbc(&ctx // des3_context
1625 , DES_ENCRYPT // int mode
1626 , sizeof(mix) // length
1627 , iv // iv[8]
1628 , mix // input
1629 , divkey // output
1630 );
1631
1632 PrintAndLog("3DES version");
1633 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1634 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
1635 PrintAndLog("Sector :\t %0d", block);
1636 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1637 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
1638 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1639
1640 PrintAndLog("\n DES version");
1641
1642 for (int i=0; i < sizeof(mifarekeyA); ++i){
1643 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1644 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
1645 }
1646
1647 for (int i=0; i < sizeof(mifarekeyB); ++i){
1648 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
1649 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1650 }
1651
1652 uint8_t zeros[8] = {0x00};
1653 uint8_t newpwd[8] = {0x00};
1654 uint8_t dmkey[24] = {0x00};
1655 memcpy(dmkey, dkeyA, 8);
1656 memcpy(dmkey+8, dkeyB, 8);
1657 memcpy(dmkey+16, dkeyA, 8);
1658 memset(iv, 0x00, 8);
1659
1660 des3_set3key_enc(&ctx, dmkey);
1661
1662 des3_crypt_cbc(&ctx // des3_context
1663 , DES_ENCRYPT // int mode
1664 , sizeof(newpwd) // length
1665 , iv // iv[8]
1666 , zeros // input
1667 , newpwd // output
1668 );
1669
1670 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1671 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1672 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1673 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1674
1675 return 0;
1676 }
1677
1678 // static uint8_t * diversify_key(uint8_t * key){
1679
1680 // for(int i=0; i<16; i++){
1681 // if(i<=6) key[i]^=cuid[i];
1682 // if(i>6) key[i]^=cuid[i%7];
1683 // }
1684 // return key;
1685 // }
1686
1687 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1688 // for (int i=0; i<len; ++i){
1689
1690 // }
1691 // return;
1692 // }
1693
1694 //------------------------------------
1695 // Menu Stuff
1696 //------------------------------------
1697 static command_t CommandTable[] =
1698 {
1699 {"help", CmdHelp, 1, "This help"},
1700 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
1701 {"info", CmdHF14AMfUInfo, 0, "Tag information"},
1702 {"dump", CmdHF14AMfUDump, 0, "Dump Ultralight / Ultralight-C tag to binary file"},
1703 {"rdbl", CmdHF14AMfURdBl, 0, "Read block - Ultralight"},
1704 {"wrbl", CmdHF14AMfUWrBl, 0, "Write block - Ultralight"},
1705 {"crdbl", CmdHF14AMfUCRdBl, 0, "Read block - Ultralight C"},
1706 {"cwrbl", CmdHF14AMfUCWrBl, 0, "Write block - Ultralight C"},
1707 {"cauth", CmdHF14AMfucAuth, 0, "Authentication - Ultralight C"},
1708 {"setpwd", CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1709 {"setuid", CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1710 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1711 {NULL, NULL, 0, NULL}
1712 };
1713
1714 int CmdHFMFUltra(const char *Cmd){
1715 WaitForResponseTimeout(CMD_ACK,NULL,100);
1716 CmdsParse(CommandTable, Cmd);
1717 return 0;
1718 }
1719
1720 int CmdHelp(const char *Cmd){
1721 CmdsHelp(CommandTable);
1722 return 0;
1723 }
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