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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 PrintAndLog(" Lock : %s - %s", sprint_hex(data+10, 2),printBits( 2, data+10) );
274
275 // if Page3 has NDEF magic number, its not a OTP..
276 if ( data[12] != 0xE1 )
277 PrintAndLog("OneTimePad : %s\n", sprint_hex(data + 12, 4));
278
279 return 0;
280 }
281
282 static int ntag_print_CC(uint8_t *data) {
283
284 PrintAndLog("\n--- NTAG NDEF Message");
285
286 if(data[0] != 0xe1) {
287 PrintAndLog("no NDEF message found");
288 return -1; // no NDEF message
289 }
290
291 PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
292 PrintAndLog(" %02X: NDEF Magic Number", data[0]);
293 PrintAndLog(" %02X: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
294 PrintAndLog(" %02X: Physical Memory Size: %d bytes", data[2], (data[2] + 1) * 8);
295 if ( data[2] == 0x12 )
296 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 144);
297 else if ( data[2] == 0x3e )
298 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 496);
299 else if ( data[2] == 0x6d )
300 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 872);
301
302 PrintAndLog(" %02X: %s / %s", data[3],
303 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
304 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
305 return 0;
306 }
307
308 int ul_print_type(uint16_t tagtype, uint8_t spaces){
309 char spc[11] = " ";
310 spc[10]=0x00;
311 char *spacer = spc + (10-spaces);
312
313 if ( tagtype & UL )
314 PrintAndLog("%sTYPE : MIFARE Ultralight (MF0ICU1) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
315 else if ( tagtype & UL_C)
316 PrintAndLog("%sTYPE : MIFARE Ultralight C (MF0ULC) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
317 else if ( tagtype & UL_EV1_48)
318 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)", spacer);
319 else if ( tagtype & UL_EV1_128)
320 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)", spacer);
321 else if ( tagtype & NTAG_213 )
322 PrintAndLog("%sTYPE : MIFARE NTAG 213 144bytes (NT2H1311G0DU)", spacer);
323 else if ( tagtype & NTAG_215 )
324 PrintAndLog("%sTYPE : MIFARE NTAG 215 504bytes (NT2H1511G0DU)", spacer);
325 else if ( tagtype & NTAG_216 )
326 PrintAndLog("%sTYPE : MIFARE NTAG 216 888bytes (NT2H1611G0DU)", spacer);
327 else if ( tagtype & MY_D )
328 PrintAndLog("%sTYPE : INFINEON my-d\x99", spacer);
329 else if ( tagtype & MY_D_NFC )
330 PrintAndLog("%sTYPE : INFINEON my-d\x99 NFC", spacer);
331 else if ( tagtype & MY_D_MOVE )
332 PrintAndLog("%sTYPE : INFINEON my-d\x99 move", spacer);
333 else if ( tagtype & MY_D_MOVE_NFC )
334 PrintAndLog("%sTYPE : INFINEON my-d\x99 move NFC", spacer);
335 else
336 PrintAndLog("%sTYPE : Unknown %04x", spacer, tagtype);
337 return 0;
338 }
339
340 static int ulc_print_3deskey( uint8_t *data){
341 PrintAndLog(" deskey1 [44/0x2C]: %s [%.4s]", sprint_hex(data ,4),data);
342 PrintAndLog(" deskey1 [45/0x2D]: %s [%.4s]", sprint_hex(data+4 ,4),data+4);
343 PrintAndLog(" deskey2 [46/0x2E]: %s [%.4s]", sprint_hex(data+8 ,4),data+8);
344 PrintAndLog(" deskey2 [47/0x2F]: %s [%.4s]", sprint_hex(data+12,4),data+12);
345
346 PrintAndLog("\n 3des key : %s", sprint_hex(SwapEndian64(data, 16), 16));
347 return 0;
348 }
349
350 static int ulc_print_configuration( uint8_t *data){
351
352 PrintAndLog("--- UL-C Configuration");
353 PrintAndLog(" Higher Lockbits [40/0x28]: %s - %s", sprint_hex(data, 4), printBits(2, data));
354 PrintAndLog(" Counter [41/0x29]: %s - %s", sprint_hex(data+4, 4), printBits(2, data+4));
355
356 bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
357 if ( validAuth )
358 PrintAndLog(" Auth0 [42/0x2A]: %s Pages above %d/0x%02X needs authentication", sprint_hex(data+8, 4), data[8],data[8] );
359 else{
360 if ( data[8] == 0){
361 PrintAndLog(" Auth0 [42/0x2A]: %s default", sprint_hex(data+8, 4) );
362 } else {
363 PrintAndLog(" Auth0 [42/0x2A]: %s auth byte is out-of-range", sprint_hex(data+8, 4) );
364 }
365 }
366 PrintAndLog(" Auth1 [43/0x2B]: %s %s",
367 sprint_hex(data+12, 4),
368 (data[12] & 1) ? "write access restricted": "read and write access restricted"
369 );
370 return 0;
371 }
372
373 static int ulev1_print_configuration( uint8_t *data){
374
375 PrintAndLog("\n--- UL-EV1 Configuration");
376
377 bool strg_mod_en = (data[0] & 2);
378 uint8_t authlim = (data[4] & 0x07);
379 bool cfglck = (data[4] & 0x40);
380 bool prot = (data[4] & 0x80);
381 uint8_t vctid = data[5];
382
383 PrintAndLog(" cfg0 [16/0x10]: %s", sprint_hex(data, 4));
384 if ( data[3] < 0xff )
385 PrintAndLog(" - pages above %d needs authentication",data[3]);
386 else
387 PrintAndLog(" - pages don't need authentication");
388 PrintAndLog(" - strong modulation mode %s", (strg_mod_en) ? "enabled":"disabled");
389 PrintAndLog(" cfg1 [17/0x11]: %s", sprint_hex(data+4, 4) );
390 if ( authlim == 0)
391 PrintAndLog(" - Unlimited password attempts");
392 else
393 PrintAndLog(" - Max number of password attempts is %d", authlim);
394 PrintAndLog(" - user configuration %s", cfglck ? "permanently locked":"writeable");
395 PrintAndLog(" - %s access is protected with password", prot ? "read and write":"write");
396 PrintAndLog(" %02X - Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
397 PrintAndLog(" PWD [18/0x12]: %s", sprint_hex(data+8, 4));
398 PrintAndLog(" PACK [19/0x13]: %s", sprint_hex(data+12, 4));
399 return 0;
400 }
401
402 static int ulev1_print_counters(){
403 PrintAndLog("--- UL-EV1 Counters");
404 uint8_t tear[1] = {0};
405 uint8_t counter[3] = {0,0,0};
406 for ( uint8_t i = 0; i<3; ++i) {
407 ulev1_readTearing(i,tear,sizeof(tear));
408 ulev1_readCounter(i,counter, sizeof(counter) );
409 PrintAndLog(" [%0d] : %s", i, sprint_hex(counter,3));
410 PrintAndLog(" - %02X tearing %s", tear[0], ( tear[0]==0xBD)?"Ok":"failure");
411 }
412 return 0;
413 }
414
415 static int ulev1_print_signature( uint8_t *data, uint8_t len){
416 PrintAndLog("\n--- UL-EV1 Signature");
417 PrintAndLog("IC signature public key name : NXP NTAG21x 2013");
418 PrintAndLog("IC signature public key value : 04494e1a386d3d3cfe3dc10e5de68a499b1c202db5b132393e89ed19fe5be8bc61");
419 PrintAndLog(" Elliptic curve parameters : secp128r1");
420 PrintAndLog(" Tag ECC Signature : %s", sprint_hex(data, len));
421 //to do: verify if signature is valid
422 //PrintAndLog("IC signature status: %s valid", (iseccvalid() )?"":"not");
423 return 0;
424 }
425
426 static int ulev1_print_version(uint8_t *data){
427 PrintAndLog("\n--- UL-EV1 / NTAG Version");
428 PrintAndLog(" Raw bytes : %s", sprint_hex(data, 8) );
429 PrintAndLog(" Vendor ID : %02X, Manufacturer: %s", data[1], getTagInfo(data[1]));
430 PrintAndLog(" Product type : %s" , getProductTypeStr(data[2]));
431 PrintAndLog(" Product subtype : %02X, %s" , data[3], (data[3]==1) ?"17 pF":"50pF");
432 PrintAndLog(" Major version : %02X" , data[4]);
433 PrintAndLog(" Minor version : %02X" , data[5]);
434 PrintAndLog(" Size : %s", getUlev1CardSizeStr(data[6]));
435 PrintAndLog(" Protocol type : %02X" , data[7]);
436 return 0;
437 }
438
439 /*
440 static int ulc_magic_test(){
441 // Magic Ultralight test
442 // Magic UL-C, by observation,
443 // 1) it seems to have a static nonce response to 0x1A command.
444 // 2) the deskey bytes is not-zero:d out on as datasheet states.
445 // 3) UID - changeable, not only, but pages 0-1-2-3.
446 // 4) use the ul_magic_test ! magic tags answers specially!
447 int returnValue = UL_ERROR;
448 iso14a_card_select_t card;
449 uint8_t nonce1[11] = {0x00};
450 uint8_t nonce2[11] = {0x00};
451 int status = ul_select(&card);
452 if ( status < 1 ){
453 PrintAndLog("Error: couldn't select ulc_magic_test");
454 ul_switch_off_field();
455 return UL_ERROR;
456 }
457 status = ulc_requestAuthentication(nonce1, sizeof(nonce1));
458 if ( status > 0 ) {
459 status = ulc_requestAuthentication(nonce2, sizeof(nonce2));
460 returnValue = ( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
461 } else {
462 returnValue = UL;
463 }
464 ul_switch_off_field();
465 return returnValue;
466 }
467 */
468 static int ul_magic_test(){
469
470 // Magic Ultralight tests
471 // 1) take present UID, and try to write it back. OBSOLETE
472 // 2) make a wrong length write to page0, and see if tag answers with ACK/NACK:
473 iso14a_card_select_t card;
474 int status = ul_select(&card);
475 if ( status < 1 ){
476 PrintAndLog("Error: couldn't select ul_magic_test");
477 ul_switch_off_field();
478 return UL_ERROR;
479 }
480 status = ul_comp_write(0, NULL, 0);
481 ul_switch_off_field();
482 if ( status == 0 )
483 return UL_MAGIC;
484 return UL;
485 }
486
487 uint16_t GetHF14AMfU_Type(void){
488
489 TagTypeUL_t tagtype = UNKNOWN;
490 iso14a_card_select_t card;
491 uint8_t version[10] = {0x00};
492 int status = 0;
493 int len;
494
495 status = ul_select(&card);
496 if ( status < 1 ){
497 PrintAndLog("iso14443a card select failed");
498 ul_switch_off_field();
499 return UL_ERROR;
500 }
501 // Ultralight - ATQA / SAK
502 if ( card.atqa[1] != 0x00 || card.atqa[0] != 0x44 || card.sak != 0x00 ) {
503 PrintAndLog("Tag is not Ultralight | NTAG | MY-D [ATQA: %02X %02X SAK: %02X]\n", card.atqa[1], card.atqa[0], card.sak);
504 ul_switch_off_field();
505 return UL_ERROR;
506 }
507
508 if ( card.uid[0] != 0x05) {
509
510 len = ulev1_getVersion(version, sizeof(version));
511 if (len > -1) ul_switch_off_field(); //if -1 it is already off
512
513 switch (len) {
514 case 0x0A: {
515
516 if ( version[2] == 0x03 && version[6] == 0x0B )
517 tagtype = UL_EV1_48;
518 else if ( version[2] == 0x03 && version[6] != 0x0B )
519 tagtype = UL_EV1_128;
520 else if ( version[2] == 0x04 && version[6] == 0x0F )
521 tagtype = NTAG_213;
522 else if ( version[2] == 0x04 && version[6] == 0x11 )
523 tagtype = NTAG_215;
524 else if ( version[2] == 0x04 && version[6] == 0x13 )
525 tagtype = NTAG_216;
526 else if ( version[2] == 0x04 )
527 tagtype = NTAG;
528
529 break;
530 }
531 case 0x01: tagtype = UL_C; break;
532 case 0x00: tagtype = UL; break;
533 case -1 : tagtype = (UL | UL_C); break; //when does this happen? -- if getversion fails, it assumes it is either UL/ULC
534 default : tagtype = UNKNOWN; break;
535 }
536 // UL-C test
537 if (tagtype == (UL | UL_C)) {
538 status = ul_select(&card);
539 if ( status < 1 ){
540 PrintAndLog("iso14443a card select failed (UL-C)");
541 ul_switch_off_field();
542 return UL_ERROR;
543 }
544 uint8_t nonce[11] = {0x00};
545 status = ulc_requestAuthentication(nonce, sizeof(nonce));
546 tagtype = ( status > 0 ) ? UL_C : UL;
547
548 if (status != -1) ul_switch_off_field();
549 }
550 } else {
551 // Infinition MY-D tests Exam high nibble
552 uint8_t nib = (card.uid[1] & 0xf0) >> 4;
553 switch ( nib ){
554 case 1: tagtype = MY_D; break;
555 case 2: tagtype = (MY_D | MY_D_NFC); break;
556 case 3: tagtype = (MY_D_MOVE | MY_D_MOVE_NFC); break;
557 }
558 }
559
560 tagtype = (ul_magic_test() == UL_MAGIC) ? (tagtype | MAGIC) : tagtype;
561 //if ((tagtype & UL)) tagtype = ul_magic_test();
562
563 return tagtype;
564 }
565
566 int CmdHF14AMfUInfo(const char *Cmd){
567
568 uint8_t authlim = 0xff;
569 uint8_t data[16] = {0x00};
570 iso14a_card_select_t card;
571 uint8_t *key;
572 int status;
573 bool errors = false;
574 bool hasAuthKey = false;
575 uint8_t cmdp = 0;
576 uint8_t datalen = 0;
577 uint8_t authenticationkey[16] = {0x00};
578 uint8_t pack[4] = {0,0,0,0};
579
580 while(param_getchar(Cmd, cmdp) != 0x00)
581 {
582 switch(param_getchar(Cmd, cmdp))
583 {
584 case 'h':
585 case 'H':
586 return usage_hf_mfu_info();
587 case 'k':
588 case 'K':
589 // EV1/NTAG size key
590 datalen = param_gethex(Cmd, cmdp+1, data, 8);
591 if ( !datalen ) {
592 memcpy(authenticationkey, data, 4);
593 cmdp += 2;
594 hasAuthKey = true;
595 break;
596 }
597 // UL-C size key
598 datalen = param_gethex(Cmd, cmdp+1, data, 32);
599 if (!datalen){
600 memcpy(authenticationkey, data, 16);
601 cmdp += 2;
602 hasAuthKey = true;
603 break;
604 }
605 errors = true;
606 break;
607 default:
608 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
609 errors = true;
610 break;
611 }
612 if(errors) break;
613 }
614
615 //Validations
616 if(errors) return usage_hf_mfu_info();
617
618 TagTypeUL_t tagtype = GetHF14AMfU_Type();
619 if (tagtype == UL_ERROR) return -1;
620
621 PrintAndLog("\n--- Tag Information ---------");
622 PrintAndLog("-------------------------------------------------------------");
623 ul_print_type(tagtype, 6);
624
625 status = ul_select(&card);
626 if ( status < 1 ){
627 PrintAndLog("iso14443a card select failed");
628 ul_switch_off_field();
629 return status;
630 }
631
632 if ( hasAuthKey ) {
633 if ((tagtype & UL_C))
634 try3DesAuthentication(authenticationkey);
635 else
636 ulev1_requestAuthentication(authenticationkey, pack, sizeof(pack));
637 }
638
639 // read pages 0,1,2,3 (should read 4pages)
640 status = ul_read(0, data, sizeof(data));
641 if ( status == -1 ){
642 PrintAndLog("Error: tag didn't answer to READ A");
643 ul_switch_off_field();
644 return status;
645 }
646
647 ul_print_default(data);
648
649 if ((tagtype & UL_C)){
650
651 // read pages 0x28, 0x29, 0x2A, 0x2B
652 uint8_t ulc_conf[16] = {0x00};
653 status = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
654 if ( status == -1 ){
655 PrintAndLog("Error: tag didn't answer to READ - possibly locked");
656 ul_switch_off_field();
657 return status;
658 }
659
660 ulc_print_configuration(ulc_conf);
661
662 if ((tagtype & MAGIC)){
663
664 uint8_t ulc_deskey[16] = {0x00};
665 status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
666 if ( status == -1 ){
667 PrintAndLog("Error: tag didn't answer to READ magic");
668 ul_switch_off_field();
669 return status;
670 }
671 ulc_print_3deskey(ulc_deskey);
672
673 } else {
674
675 // if we called info with key, just return
676 if ( hasAuthKey ) return 0;
677
678 PrintAndLog("Trying some default 3des keys");
679 ul_switch_off_field();
680 for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ){
681 key = default_3des_keys[i];
682 if (try3DesAuthentication(key) == 1){
683 PrintAndLog("Found default 3des key: "); //%s", sprint_hex(key,16));
684 ulc_print_3deskey(SwapEndian64(key,16));
685 return 0;
686 }
687 }
688 }
689 }
690
691 if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
692
693 ulev1_print_counters();
694
695 uint8_t ulev1_signature[32] = {0x00};
696 status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
697 if ( status == -1 ){
698 PrintAndLog("Error: tag didn't answer to READ SIGNATURE");
699 ul_switch_off_field();
700 return status;
701 }
702 ulev1_print_signature( ulev1_signature, sizeof(ulev1_signature));
703
704 uint8_t startconfigblock = (tagtype & UL_EV1_48) ? 0x10 : 0x25;
705 uint8_t ulev1_conf[16] = {0x00};
706 status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
707 if ( status == -1 ){
708 PrintAndLog("Error: tag didn't answer to READ EV1");
709 return status;
710 }
711 // save AUTHENTICATION LIMITS for later:
712 authlim = (ulev1_conf[4] & 0x07);
713 ulev1_print_configuration(ulev1_conf);
714 }
715
716 if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216))) {
717
718 uint8_t version[10] = {0x00};
719 status = ulev1_getVersion(version, sizeof(version));
720 if ( status == -1 ){
721 PrintAndLog("Error: tag didn't answer to GET_VERSION");
722 ul_switch_off_field();
723 return status;
724 }
725 ulev1_print_version(version);
726
727 // if we called info with key, just return
728 if ( hasAuthKey ) return 0;
729
730 // AUTHLIMIT, (number of failed authentications)
731 // 0 = limitless.
732 // 1-7 = ... should we even try then?
733 if ( authlim == 0 ){
734 PrintAndLog("\n--- Known EV1/NTAG passwords.");
735
736
737 int len=0; //if len goes to -1 the connection will be turned off.
738 for (uint8_t i = 0; i < KEYS_PWD_COUNT; ++i ){
739 key = default_pwd_pack[i];
740 if ( len > -1 ){
741 len = ulev1_requestAuthentication(key, pack, sizeof(pack));
742 PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
743 break;
744 }
745 }
746 if (len > -1) ul_switch_off_field();
747 }
748 }
749
750 if ((tagtype & (NTAG_213 | NTAG_215 | NTAG_216))){
751
752 uint8_t cc[16] = {0x00};
753 status = ul_read(3, cc, sizeof(cc));
754 if ( status == -1 ){
755 PrintAndLog("Error: tag didn't answer to READ ntag");
756 ul_switch_off_field();
757 return status;
758 }
759 ntag_print_CC(cc);
760 }
761
762 ul_switch_off_field();
763 PrintAndLog("");
764 return 0;
765 }
766
767 //
768 // Mifare Ultralight Write Single Block
769 //
770 int CmdHF14AMfUWrBl(const char *Cmd){
771 uint8_t blockNo = -1;
772 bool chinese_card = FALSE;
773 uint8_t bldata[16] = {0x00};
774 UsbCommand resp;
775
776 char cmdp = param_getchar(Cmd, 0);
777 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
778 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
779 PrintAndLog(" [block number]");
780 PrintAndLog(" [block data] - (8 hex symbols)");
781 PrintAndLog(" [w] - Chinese magic ultralight tag");
782 PrintAndLog("");
783 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
784 PrintAndLog("");
785 return 0;
786 }
787
788 blockNo = param_get8(Cmd, 0);
789
790 if (blockNo > MAX_UL_BLOCKS){
791 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
792 return 1;
793 }
794
795 if (param_gethex(Cmd, 1, bldata, 8)) {
796 PrintAndLog("Block data must include 8 HEX symbols");
797 return 1;
798 }
799
800 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
801 chinese_card = TRUE;
802 }
803
804 if ( blockNo <= 3) {
805 if (!chinese_card){
806 PrintAndLog("Access Denied");
807 } else {
808 PrintAndLog("--specialblock no:%02x", blockNo);
809 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
810 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
811 memcpy(d.d.asBytes,bldata, 4);
812 SendCommand(&d);
813 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
814 uint8_t isOK = resp.arg[0] & 0xff;
815 PrintAndLog("isOk:%02x", isOK);
816 } else {
817 PrintAndLog("Command execute timeout");
818 }
819 }
820 } else {
821 PrintAndLog("--block no:%02x", blockNo);
822 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
823 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
824 memcpy(e.d.asBytes,bldata, 4);
825 SendCommand(&e);
826 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
827 uint8_t isOK = resp.arg[0] & 0xff;
828 PrintAndLog("isOk:%02x", isOK);
829 } else {
830 PrintAndLog("Command execute timeout");
831 }
832 }
833 return 0;
834 }
835
836 //
837 // Mifare Ultralight Read Single Block
838 //
839 int CmdHF14AMfURdBl(const char *Cmd){
840
841 UsbCommand resp;
842 uint8_t blockNo = -1;
843 char cmdp = param_getchar(Cmd, 0);
844
845 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
846 PrintAndLog("Usage: hf mfu rdbl <block number>");
847 PrintAndLog(" sample: hfu mfu rdbl 0");
848 return 0;
849 }
850
851 blockNo = param_get8(Cmd, 0);
852
853 if (blockNo > MAX_UL_BLOCKS){
854 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
855 return 1;
856 }
857
858 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
859 SendCommand(&c);
860
861
862 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
863 uint8_t isOK = resp.arg[0] & 0xff;
864 if (isOK) {
865 uint8_t *data = resp.d.asBytes;
866 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
867 }
868 else {
869 PrintAndLog("Failed reading block: (%02x)", isOK);
870 }
871 } else {
872 PrintAndLog("Command execute time-out");
873 }
874
875 return 0;
876 }
877
878 int usage_hf_mfu_info(void)
879 {
880 PrintAndLog("It gathers information about the tag and tries to detect what kind it is.");
881 PrintAndLog("Sometimes the tags are locked down, and you may need a key to be able to read the information");
882 PrintAndLog("The following tags can be identified:\n");
883 PrintAndLog("Ultralight, Ultralight-C, Ultralight EV1");
884 PrintAndLog("NTAG 213, NTAG 215, NTAG 216");
885 PrintAndLog("my-d, my-d NFC, my-d move, my-d move NFC\n");
886 PrintAndLog("Usage: hf mfu info k <key>");
887 PrintAndLog(" Options : ");
888 PrintAndLog(" k <key> : key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
889 PrintAndLog("");
890 PrintAndLog(" sample : hf mfu info");
891 PrintAndLog(" : hf mfu info k 11223344");
892 return 0;
893 }
894
895 int usage_hf_mfu_dump(void)
896 {
897 PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
898 PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
899 PrintAndLog("It autodetects card type.\n");
900 PrintAndLog("Usage: hf mfu dump s k <key> n <filename w/o .bin>");
901 PrintAndLog(" Options : ");
902 PrintAndLog(" k <key> : Enter key for authentication");
903 PrintAndLog(" n <FN > : Enter filename w/o .bin to save the dump as");
904 PrintAndLog(" s : Swap entered key's endianness for auth");
905 PrintAndLog("");
906 PrintAndLog(" sample : hf mfu dump");
907 PrintAndLog(" : hf mfu dump n myfile");
908 PrintAndLog(" : hf mfu dump k 00112233445566778899AABBCCDDEEFF");
909 return 0;
910 }
911
912 //
913 // Mifare Ultralight / Ultralight-C / Ultralight-EV1
914 // Read and Dump Card Contents, using auto detection of tag size.
915 //
916 // TODO: take a password to read UL-C / UL-EV1 tags.
917 int CmdHF14AMfUDump(const char *Cmd){
918
919 FILE *fout;
920 char filename[FILE_PATH_SIZE] = {0x00};
921 char * fnameptr = filename;
922 char* str = "Dumping Ultralight%s%s Card Data...";
923 uint8_t *lockbytes_t = NULL;
924 uint8_t lockbytes[2] = {0x00};
925 uint8_t *lockbytes_t2 = NULL;
926 uint8_t lockbytes2[2] = {0x00};
927 bool bit[16] = {0x00};
928 bool bit2[16] = {0x00};
929 uint8_t data[1024] = {0x00};
930 bool hasPwd = false;
931 int i = 0;
932 int Pages = 16;
933 bool tmplockbit = false;
934 uint8_t dataLen=0;
935 uint8_t cmdp =0;
936 uint8_t key[16] = {0x00};
937 uint8_t *keyPtr = key;
938 size_t fileNlen = 0;
939 bool errors = false;
940 bool swapEndian = false;
941
942 while(param_getchar(Cmd, cmdp) != 0x00)
943 {
944 switch(param_getchar(Cmd, cmdp))
945 {
946 case 'h':
947 case 'H':
948 return usage_hf_mfu_dump();
949 case 'k':
950 case 'K':
951 dataLen = param_gethex(Cmd, cmdp+1, data, 32);
952 if (dataLen) {
953 errors = true;
954 } else {
955 memcpy(key, data, 16);
956 }
957 cmdp += 2;
958 hasPwd = true;
959 break;
960 case 'n':
961 case 'N':
962 fileNlen = param_getstr(Cmd, cmdp+1, filename);
963 if (!fileNlen) errors = true;
964 if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
965 cmdp += 2;
966 break;
967 case 's':
968 swapEndian = true;
969 cmdp++;
970 break;
971 default:
972 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
973 errors = true;
974 break;
975 }
976 if(errors) break;
977 }
978
979 //Validations
980 if(errors) return usage_hf_mfu_dump();
981
982 if (swapEndian)
983 keyPtr = SwapEndian64(data, 16);
984
985 TagTypeUL_t tagtype = GetHF14AMfU_Type();
986 if (tagtype == UL_ERROR) return -1;
987
988 if ( tagtype & UL ) {
989 Pages = 16;
990 PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" );
991 }
992 else if ( tagtype & UL_C ) {
993 Pages = 44;
994 PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" );
995 }
996 else if ( tagtype & UL_EV1_48 ) {
997 Pages = 18;
998 PrintAndLog(str," EV1_48","");
999 }
1000 else if ( tagtype & UL_EV1_128 ) {
1001 Pages = 32;
1002 PrintAndLog(str," EV1_128","");
1003 } else {
1004 Pages = 16;
1005 PrintAndLog("Dumping unknown Ultralight, using default values.");
1006 }
1007
1008 UsbCommand c = {CMD_MIFAREUC_READCARD, {0,Pages}};
1009 if ( hasPwd ) {
1010 c.arg[2] = 1;
1011 memcpy(c.d.asBytes, key, 16);
1012 }
1013 SendCommand(&c);
1014 UsbCommand resp;
1015 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1016 PrintAndLog("Command execute time-out");
1017 return 1;
1018 }
1019 PrintAndLog ("%u,%u",resp.arg[0],resp.arg[1]);
1020 uint8_t isOK = resp.arg[0] & 0xff;
1021 if (isOK) {
1022 memcpy(data, resp.d.asBytes, resp.arg[1]);
1023 } else {
1024 PrintAndLog("Failed reading block: (%02x)", i);
1025 return 1;
1026 }
1027
1028 // Load lock bytes.
1029 int j = 0;
1030
1031 lockbytes_t = data + 8;
1032 lockbytes[0] = lockbytes_t[2];
1033 lockbytes[1] = lockbytes_t[3];
1034 for(j = 0; j < 16; j++){
1035 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
1036 }
1037
1038 // Load bottom lockbytes if available
1039 if ( Pages == 44 ) {
1040 lockbytes_t2 = data + (40*4);
1041 lockbytes2[0] = lockbytes_t2[2];
1042 lockbytes2[1] = lockbytes_t2[3];
1043 for (j = 0; j < 16; j++) {
1044 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
1045 }
1046 }
1047
1048 // add keys
1049 if (hasPwd){
1050 memcpy(data + Pages*4, key, 16);
1051 Pages += 4;
1052 }
1053 for (i = 0; i < Pages; ++i) {
1054 if ( i < 3 ) {
1055 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
1056 continue;
1057 }
1058 switch(i){
1059 case 3: tmplockbit = bit[4]; break;
1060 case 4: tmplockbit = bit[3]; break;
1061 case 5: tmplockbit = bit[2]; break;
1062 case 6: tmplockbit = bit[1]; break;
1063 case 7: tmplockbit = bit[0]; break;
1064 case 8: tmplockbit = bit[15]; break;
1065 case 9: tmplockbit = bit[14]; break;
1066 case 10: tmplockbit = bit[13]; break;
1067 case 11: tmplockbit = bit[12]; break;
1068 case 12: tmplockbit = bit[11]; break;
1069 case 13: tmplockbit = bit[10]; break;
1070 case 14: tmplockbit = bit[9]; break;
1071 case 15: tmplockbit = bit[8]; break;
1072 case 16:
1073 case 17:
1074 case 18:
1075 case 19: tmplockbit = bit2[6]; break;
1076 case 20:
1077 case 21:
1078 case 22:
1079 case 23: tmplockbit = bit2[5]; break;
1080 case 24:
1081 case 25:
1082 case 26:
1083 case 27: tmplockbit = bit2[4]; break;
1084 case 28:
1085 case 29:
1086 case 30:
1087 case 31: tmplockbit = bit2[2]; break;
1088 case 32:
1089 case 33:
1090 case 34:
1091 case 35: tmplockbit = bit2[1]; break;
1092 case 36:
1093 case 37:
1094 case 38:
1095 case 39: tmplockbit = bit2[0]; break;
1096 case 40: tmplockbit = bit2[12]; break;
1097 case 41: tmplockbit = bit2[11]; break;
1098 case 42: tmplockbit = bit2[10]; break; //auth0
1099 case 43: tmplockbit = bit2[9]; break; //auth1
1100 default: break;
1101 }
1102 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
1103 }
1104
1105 // user supplied filename?
1106 if (fileNlen < 1) {
1107 // UID = data 0-1-2 4-5-6-7 (skips a beat)
1108 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
1109 data[0], data[1], data[2], data[4], data[5], data[6], data[7]);
1110 } else {
1111 sprintf(fnameptr + fileNlen," .bin");
1112 }
1113
1114 if ((fout = fopen(filename,"wb")) == NULL) {
1115 PrintAndLog("Could not create file name %s", filename);
1116 return 1;
1117 }
1118 fwrite( data, 1, Pages*4, fout );
1119 fclose(fout);
1120
1121 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
1122 return 0;
1123 }
1124
1125 // Needed to Authenticate to Ultralight C tags
1126 void rol (uint8_t *data, const size_t len){
1127 uint8_t first = data[0];
1128 for (size_t i = 0; i < len-1; i++) {
1129 data[i] = data[i+1];
1130 }
1131 data[len-1] = first;
1132 }
1133
1134 //-------------------------------------------------------------------------------
1135 // Ultralight C Methods
1136 //-------------------------------------------------------------------------------
1137
1138 //
1139 // Ultralight C Authentication Demo {currently uses hard-coded key}
1140 //
1141 int CmdHF14AMfucAuth(const char *Cmd){
1142
1143 uint8_t keyNo = 0;
1144 bool errors = false;
1145
1146 char cmdp = param_getchar(Cmd, 0);
1147
1148 //Change key to user defined one
1149 if (cmdp == 'k' || cmdp == 'K'){
1150 keyNo = param_get8(Cmd, 1);
1151 if(keyNo > KEYS_3DES_COUNT)
1152 errors = true;
1153 }
1154
1155 if (cmdp == 'h' || cmdp == 'H')
1156 errors = true;
1157
1158 if (errors) {
1159 PrintAndLog("Usage: hf mfu cauth k <key number>");
1160 PrintAndLog(" 0 (default): 3DES standard key");
1161 PrintAndLog(" 1 : all 0x00 key");
1162 PrintAndLog(" 2 : 0x00-0x0F key");
1163 PrintAndLog(" 3 : nfc key");
1164 PrintAndLog(" 4 : all 0x01 key");
1165 PrintAndLog(" 5 : all 0xff key");
1166 PrintAndLog(" 6 : 0x00-0xFF key");
1167 PrintAndLog("\n sample : hf mfu cauth k");
1168 PrintAndLog(" : hf mfu cauth k 3");
1169 return 0;
1170 }
1171
1172 uint8_t *key = default_3des_keys[keyNo];
1173 if (try3DesAuthentication(key)>0)
1174 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
1175 else
1176 PrintAndLog("Authentication failed");
1177
1178 return 0;
1179 }
1180
1181 int try3DesAuthentication( uint8_t *key){
1182
1183 uint32_t cuid = 0;
1184
1185 des3_context ctx = { 0 };
1186
1187 uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
1188 uint8_t random_b[8] = { 0 };
1189 uint8_t enc_random_b[8] = { 0 };
1190 uint8_t rnd_ab[16] = { 0 };
1191 uint8_t iv[8] = { 0 };
1192
1193 UsbCommand c = {CMD_MIFAREUC_AUTH1, {0x00}};
1194 SendCommand(&c);
1195 UsbCommand resp;
1196 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
1197 if ( !(resp.arg[0] & 0xff) ) return -2;
1198
1199 cuid = resp.arg[1];
1200 memcpy(enc_random_b,resp.d.asBytes+1,8);
1201
1202 des3_set2key_dec(&ctx, key);
1203 // context, mode, length, IV, input, output
1204 des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
1205
1206 rol(random_b,8);
1207 memcpy(rnd_ab ,random_a,8);
1208 memcpy(rnd_ab+8,random_b,8);
1209
1210 //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8));
1211 //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8));
1212 //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8));
1213 //PrintAndLog(" A+B :%s", sprint_hex(rnd_ab, 16));
1214
1215 des3_set2key_enc(&ctx, key);
1216 // context, mode, length, IV, input, output
1217 des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
1218
1219 //Auth2
1220 c.cmd = CMD_MIFAREUC_AUTH2;
1221 c.arg[0] = cuid;
1222 memcpy(c.d.asBytes, rnd_ab, 16);
1223 SendCommand(&c);
1224
1225 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
1226 if ( !(resp.arg[0] & 0xff)) return -2;
1227
1228 uint8_t enc_resp[8] = { 0 };
1229 uint8_t resp_random_a[8] = { 0 };
1230 memcpy(enc_resp, resp.d.asBytes+1, 8);
1231
1232 des3_set2key_dec(&ctx, key);
1233 // context, mode, length, IV, input, output
1234 des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
1235
1236 //PrintAndLog(" enc(A+B) :%s", sprint_hex(rnd_ab, 16));
1237 //PrintAndLog(" enc(RndA') :%s", sprint_hex(enc_resp, 8));
1238
1239 if ( !memcmp(resp_random_a, random_a, 8))
1240 return 1;
1241 return 0;
1242 }
1243
1244 /**
1245 A test function to validate that the polarssl-function works the same
1246 was as the openssl-implementation.
1247 Commented out, since it requires openssl
1248
1249 int CmdTestDES(const char * cmd)
1250 {
1251 uint8_t key[16] = {0x00};
1252
1253 memcpy(key,key3_3des_data,16);
1254 DES_cblock RndA, RndB;
1255
1256 PrintAndLog("----------OpenSSL DES implementation----------");
1257 {
1258 uint8_t e_RndB[8] = {0x00};
1259 unsigned char RndARndB[16] = {0x00};
1260
1261 DES_cblock iv = { 0 };
1262 DES_key_schedule ks1,ks2;
1263 DES_cblock key1,key2;
1264
1265 memcpy(key,key3_3des_data,16);
1266 memcpy(key1,key,8);
1267 memcpy(key2,key+8,8);
1268
1269
1270 DES_set_key((DES_cblock *)key1,&ks1);
1271 DES_set_key((DES_cblock *)key2,&ks2);
1272
1273 DES_random_key(&RndA);
1274 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
1275 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
1276 //void DES_ede2_cbc_encrypt(const unsigned char *input,
1277 // unsigned char *output, long length, DES_key_schedule *ks1,
1278 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
1279 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
1280
1281 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
1282 rol(RndB,8);
1283 memcpy(RndARndB,RndA,8);
1284 memcpy(RndARndB+8,RndB,8);
1285 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
1286 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
1287 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
1288
1289 }
1290 PrintAndLog("----------PolarSSL implementation----------");
1291 {
1292 uint8_t random_a[8] = { 0 };
1293 uint8_t enc_random_a[8] = { 0 };
1294 uint8_t random_b[8] = { 0 };
1295 uint8_t enc_random_b[8] = { 0 };
1296 uint8_t random_a_and_b[16] = { 0 };
1297 des3_context ctx = { 0 };
1298
1299 memcpy(random_a, RndA,8);
1300
1301 uint8_t output[8] = { 0 };
1302 uint8_t iv[8] = { 0 };
1303
1304 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
1305 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
1306
1307 des3_set2key_dec(&ctx, key);
1308
1309 des3_crypt_cbc(&ctx // des3_context *ctx
1310 , DES_DECRYPT // int mode
1311 , sizeof(random_b) // size_t length
1312 , iv // unsigned char iv[8]
1313 , enc_random_b // const unsigned char *input
1314 , random_b // unsigned char *output
1315 );
1316
1317 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
1318
1319 rol(random_b,8);
1320 memcpy(random_a_and_b ,random_a,8);
1321 memcpy(random_a_and_b+8,random_b,8);
1322
1323 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
1324
1325 des3_set2key_enc(&ctx, key);
1326
1327 des3_crypt_cbc(&ctx // des3_context *ctx
1328 , DES_ENCRYPT // int mode
1329 , sizeof(random_a_and_b) // size_t length
1330 , enc_random_b // unsigned char iv[8]
1331 , random_a_and_b // const unsigned char *input
1332 , random_a_and_b // unsigned char *output
1333 );
1334
1335 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
1336 }
1337 return 0;
1338 }
1339 **/
1340
1341 //
1342 // Ultralight C Read Single Block
1343 //
1344 int CmdHF14AMfUCRdBl(const char *Cmd)
1345 {
1346 UsbCommand resp;
1347 bool hasPwd = FALSE;
1348 uint8_t blockNo = -1;
1349 uint8_t key[16];
1350 char cmdp = param_getchar(Cmd, 0);
1351
1352 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
1353 PrintAndLog("Usage: hf mfu crdbl <block number> <key>");
1354 PrintAndLog("");
1355 PrintAndLog("sample: hf mfu crdbl 0");
1356 PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
1357 return 0;
1358 }
1359
1360 blockNo = param_get8(Cmd, 0);
1361 if (blockNo < 0) {
1362 PrintAndLog("Wrong block number");
1363 return 1;
1364 }
1365
1366 if (blockNo > MAX_ULC_BLOCKS ){
1367 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
1368 return 1;
1369 }
1370
1371 // key
1372 if ( strlen(Cmd) > 3){
1373 if (param_gethex(Cmd, 1, key, 32)) {
1374 PrintAndLog("Key must include %d HEX symbols", 32);
1375 return 1;
1376 } else {
1377 hasPwd = TRUE;
1378 }
1379 }
1380
1381 //Read Block
1382 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
1383 if ( hasPwd ) {
1384 c.arg[1] = 1;
1385 memcpy(c.d.asBytes,key,16);
1386 }
1387 SendCommand(&c);
1388
1389 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1390 uint8_t isOK = resp.arg[0] & 0xff;
1391 if (isOK) {
1392 uint8_t *data = resp.d.asBytes;
1393 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
1394 }
1395 else {
1396 PrintAndLog("Failed reading block: (%02x)", isOK);
1397 }
1398 } else {
1399 PrintAndLog("Command execute time-out");
1400 }
1401 return 0;
1402 }
1403
1404 //
1405 // Mifare Ultralight C Write Single Block
1406 //
1407 int CmdHF14AMfUCWrBl(const char *Cmd){
1408
1409 uint8_t blockNo = -1;
1410 bool chinese_card = FALSE;
1411 uint8_t bldata[16] = {0x00};
1412 UsbCommand resp;
1413
1414 char cmdp = param_getchar(Cmd, 0);
1415
1416 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
1417 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
1418 PrintAndLog(" [block number]");
1419 PrintAndLog(" [block data] - (8 hex symbols)");
1420 PrintAndLog(" [w] - Chinese magic ultralight tag");
1421 PrintAndLog("");
1422 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
1423 PrintAndLog("");
1424 return 0;
1425 }
1426
1427 blockNo = param_get8(Cmd, 0);
1428 if (blockNo > MAX_ULC_BLOCKS ){
1429 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
1430 return 1;
1431 }
1432
1433 if (param_gethex(Cmd, 1, bldata, 8)) {
1434 PrintAndLog("Block data must include 8 HEX symbols");
1435 return 1;
1436 }
1437
1438 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
1439 chinese_card = TRUE;
1440 }
1441
1442 if ( blockNo <= 3 ) {
1443 if (!chinese_card){
1444 PrintAndLog("Access Denied");
1445 return 1;
1446 } else {
1447 PrintAndLog("--Special block no: 0x%02x", blockNo);
1448 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1449 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
1450 memcpy(d.d.asBytes,bldata, 4);
1451 SendCommand(&d);
1452 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1453 uint8_t isOK = resp.arg[0] & 0xff;
1454 PrintAndLog("isOk:%02x", isOK);
1455 } else {
1456 PrintAndLog("Command execute timeout");
1457 return 1;
1458 }
1459 }
1460 } else {
1461 PrintAndLog("--Block no : 0x%02x", blockNo);
1462 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1463 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
1464 memcpy(e.d.asBytes,bldata, 4);
1465 SendCommand(&e);
1466 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1467 uint8_t isOK = resp.arg[0] & 0xff;
1468 PrintAndLog("isOk : %02x", isOK);
1469 } else {
1470 PrintAndLog("Command execute timeout");
1471 return 1;
1472 }
1473 }
1474 return 0;
1475 }
1476
1477 //
1478 // Mifare Ultralight C - Set password
1479 //
1480 int CmdHF14AMfucSetPwd(const char *Cmd){
1481
1482 uint8_t pwd[16] = {0x00};
1483
1484 char cmdp = param_getchar(Cmd, 0);
1485
1486 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1487 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
1488 PrintAndLog(" [password] - (32 hex symbols)");
1489 PrintAndLog("");
1490 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
1491 PrintAndLog("");
1492 return 0;
1493 }
1494
1495 if (param_gethex(Cmd, 0, pwd, 32)) {
1496 PrintAndLog("Password must include 32 HEX symbols");
1497 return 1;
1498 }
1499
1500 UsbCommand c = {CMD_MIFAREUC_SETPWD};
1501 memcpy( c.d.asBytes, pwd, 16);
1502 SendCommand(&c);
1503
1504 UsbCommand resp;
1505
1506 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1507 if ( (resp.arg[0] & 0xff) == 1)
1508 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
1509 else{
1510 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
1511 return 1;
1512 }
1513 }
1514 else {
1515 PrintAndLog("command execution time out");
1516 return 1;
1517 }
1518
1519 return 0;
1520 }
1521
1522 //
1523 // Magic UL / UL-C tags - Set UID
1524 //
1525 int CmdHF14AMfucSetUid(const char *Cmd){
1526
1527 UsbCommand c;
1528 UsbCommand resp;
1529 uint8_t uid[7] = {0x00};
1530 char cmdp = param_getchar(Cmd, 0);
1531
1532 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1533 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
1534 PrintAndLog(" [uid] - (14 hex symbols)");
1535 PrintAndLog("\nThis only works for Magic Ultralight tags.");
1536 PrintAndLog("");
1537 PrintAndLog("sample: hf mfu setuid 11223344556677");
1538 PrintAndLog("");
1539 return 0;
1540 }
1541
1542 if (param_gethex(Cmd, 0, uid, 14)) {
1543 PrintAndLog("UID must include 14 HEX symbols");
1544 return 1;
1545 }
1546
1547 // read block2.
1548 c.cmd = CMD_MIFAREU_READBL;
1549 c.arg[0] = 2;
1550 SendCommand(&c);
1551 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1552 PrintAndLog("Command execute timeout");
1553 return 2;
1554 }
1555
1556 // save old block2.
1557 uint8_t oldblock2[4] = {0x00};
1558 memcpy(resp.d.asBytes, oldblock2, 4);
1559
1560 // block 0.
1561 c.cmd = CMD_MIFAREU_WRITEBL;
1562 c.arg[0] = 0;
1563 c.d.asBytes[0] = uid[0];
1564 c.d.asBytes[1] = uid[1];
1565 c.d.asBytes[2] = uid[2];
1566 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
1567 SendCommand(&c);
1568 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1569 PrintAndLog("Command execute timeout");
1570 return 3;
1571 }
1572
1573 // block 1.
1574 c.arg[0] = 1;
1575 c.d.asBytes[0] = uid[3];
1576 c.d.asBytes[1] = uid[4];
1577 c.d.asBytes[2] = uid[5];
1578 c.d.asBytes[3] = uid[6];
1579 SendCommand(&c);
1580 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1581 PrintAndLog("Command execute timeout");
1582 return 4;
1583 }
1584
1585 // block 2.
1586 c.arg[0] = 2;
1587 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
1588 c.d.asBytes[1] = oldblock2[1];
1589 c.d.asBytes[2] = oldblock2[2];
1590 c.d.asBytes[3] = oldblock2[3];
1591 SendCommand(&c);
1592 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1593 PrintAndLog("Command execute timeout");
1594 return 5;
1595 }
1596
1597 return 0;
1598 }
1599
1600 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
1601
1602 uint8_t iv[8] = { 0x00 };
1603 uint8_t block = 0x07;
1604
1605 // UL-EV1
1606 //04 57 b6 e2 05 3f 80 UID
1607 //4a f8 4b 19 PWD
1608 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
1609 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
1610 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
1611 uint8_t dkeyA[8] = { 0x00 };
1612 uint8_t dkeyB[8] = { 0x00 };
1613
1614 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
1615
1616 uint8_t mix[8] = { 0x00 };
1617 uint8_t divkey[8] = { 0x00 };
1618
1619 memcpy(mix, mifarekeyA, 4);
1620
1621 mix[4] = mifarekeyA[4] ^ uid[0];
1622 mix[5] = mifarekeyA[5] ^ uid[1];
1623 mix[6] = block ^ uid[2];
1624 mix[7] = uid[3];
1625
1626 des3_context ctx = { 0x00 };
1627 des3_set2key_enc(&ctx, masterkey);
1628
1629 des3_crypt_cbc(&ctx // des3_context
1630 , DES_ENCRYPT // int mode
1631 , sizeof(mix) // length
1632 , iv // iv[8]
1633 , mix // input
1634 , divkey // output
1635 );
1636
1637 PrintAndLog("3DES version");
1638 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1639 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
1640 PrintAndLog("Sector :\t %0d", block);
1641 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1642 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
1643 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1644
1645 PrintAndLog("\n DES version");
1646
1647 for (int i=0; i < sizeof(mifarekeyA); ++i){
1648 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1649 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
1650 }
1651
1652 for (int i=0; i < sizeof(mifarekeyB); ++i){
1653 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
1654 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1655 }
1656
1657 uint8_t zeros[8] = {0x00};
1658 uint8_t newpwd[8] = {0x00};
1659 uint8_t dmkey[24] = {0x00};
1660 memcpy(dmkey, dkeyA, 8);
1661 memcpy(dmkey+8, dkeyB, 8);
1662 memcpy(dmkey+16, dkeyA, 8);
1663 memset(iv, 0x00, 8);
1664
1665 des3_set3key_enc(&ctx, dmkey);
1666
1667 des3_crypt_cbc(&ctx // des3_context
1668 , DES_ENCRYPT // int mode
1669 , sizeof(newpwd) // length
1670 , iv // iv[8]
1671 , zeros // input
1672 , newpwd // output
1673 );
1674
1675 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1676 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1677 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1678 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1679
1680 return 0;
1681 }
1682
1683 // static uint8_t * diversify_key(uint8_t * key){
1684
1685 // for(int i=0; i<16; i++){
1686 // if(i<=6) key[i]^=cuid[i];
1687 // if(i>6) key[i]^=cuid[i%7];
1688 // }
1689 // return key;
1690 // }
1691
1692 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1693 // for (int i=0; i<len; ++i){
1694
1695 // }
1696 // return;
1697 // }
1698
1699 static command_t CommandTable[] =
1700 {
1701 {"help", CmdHelp, 1, "This help"},
1702 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
1703 {"info", CmdHF14AMfUInfo, 0, "Tag information"},
1704 {"dump", CmdHF14AMfUDump, 0, "Dump Ultralight / Ultralight-C tag to binary file"},
1705 {"rdbl", CmdHF14AMfURdBl, 0, "Read block - Ultralight"},
1706 {"wrbl", CmdHF14AMfUWrBl, 0, "Write block - Ultralight"},
1707 {"crdbl", CmdHF14AMfUCRdBl, 0, "Read block - Ultralight C"},
1708 {"cwrbl", CmdHF14AMfUCWrBl, 0, "Write block - Ultralight C"},
1709 {"cauth", CmdHF14AMfucAuth, 0, "Authentication - Ultralight C"},
1710 {"setpwd", CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1711 {"setuid", CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1712 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1713 {NULL, NULL, 0, NULL}
1714 };
1715
1716 int CmdHFMFUltra(const char *Cmd){
1717 WaitForResponseTimeout(CMD_ACK,NULL,100);
1718 CmdsParse(CommandTable, Cmd);
1719 return 0;
1720 }
1721
1722 int CmdHelp(const char *Cmd){
1723 CmdsHelp(CommandTable);
1724 return 0;
1725 }
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