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[proxmark3-svn] / client / cmdhficlass.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
3 // Copyright (C) 2011 Gerhard de Koning Gans
4 // Copyright (C) 2014 Midnitesnake & Andy Davies & Martin Holst Swende
5 //
6 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
7 // at your option, any later version. See the LICENSE.txt file for the text of
8 // the license.
9 //-----------------------------------------------------------------------------
10 // High frequency iClass commands
11 //-----------------------------------------------------------------------------
12
13 #include <stdio.h>
14 #include <stdlib.h>
15 #include <string.h>
16 #include <sys/stat.h>
17 #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
18 #include "data.h"
19 #include "proxmark3.h"
20 #include "ui.h"
21 #include "cmdparser.h"
22 #include "cmdhficlass.h"
23 #include "common.h"
24 #include "util.h"
25 #include "cmdmain.h"
26 #include "loclass/des.h"
27 #include "loclass/cipherutils.h"
28 #include "loclass/cipher.h"
29 #include "loclass/ikeys.h"
30 #include "loclass/elite_crack.h"
31 #include "loclass/fileutils.h"
32 #include "protocols.h"
33
34 static int CmdHelp(const char *Cmd);
35
36 int xorbits_8(uint8_t val)
37 {
38 uint8_t res = val ^ (val >> 1); //1st pass
39 res = res ^ (res >> 1); // 2nd pass
40 res = res ^ (res >> 2); // 3rd pass
41 res = res ^ (res >> 4); // 4th pass
42 return res & 1;
43 }
44
45 int CmdHFiClassList(const char *Cmd)
46 {
47 PrintAndLog("Deprecated command, use 'hf list iclass' instead");
48 return 0;
49 }
50
51 int CmdHFiClassSnoop(const char *Cmd)
52 {
53 UsbCommand c = {CMD_SNOOP_ICLASS};
54 SendCommand(&c);
55 return 0;
56 }
57 int usage_hf_iclass_sim()
58 {
59 PrintAndLog("Usage: hf iclass sim <option> [CSN]");
60 PrintAndLog(" options");
61 PrintAndLog(" 0 <CSN> simulate the given CSN");
62 PrintAndLog(" 1 simulate default CSN");
63 PrintAndLog(" 2 Reader-attack, gather reader responses to extract elite key");
64 PrintAndLog(" 3 Full simulation using emulator memory (see 'hf iclass eload')");
65 PrintAndLog(" example: hf iclass sim 0 031FEC8AF7FF12E0");
66 PrintAndLog(" example: hf iclass sim 2");
67 PrintAndLog(" example: hf iclass eload 'tagdump.bin'");
68 PrintAndLog(" hf iclass sim 3");
69 return 0;
70 }
71
72 #define NUM_CSNS 15
73 int CmdHFiClassSim(const char *Cmd)
74 {
75 uint8_t simType = 0;
76 uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
77
78 if (strlen(Cmd)<1) {
79 return usage_hf_iclass_sim();
80 }
81 simType = param_get8ex(Cmd, 0, 0, 10);
82
83 if(simType == 0)
84 {
85 if (param_gethex(Cmd, 1, CSN, 16)) {
86 PrintAndLog("A CSN should consist of 16 HEX symbols");
87 return usage_hf_iclass_sim();
88 }
89
90 PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
91 }
92 if(simType > 3)
93 {
94 PrintAndLog("Undefined simptype %d", simType);
95 return usage_hf_iclass_sim();
96 }
97
98 uint8_t numberOfCSNs=0;
99 if(simType == 2)
100 {
101 UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,NUM_CSNS}};
102 UsbCommand resp = {0};
103
104 uint8_t csns[8*NUM_CSNS] = {
105 0x00, 0x0B, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0,
106 0x00, 0x04, 0x0E, 0x08, 0xF7, 0xFF, 0x12, 0xE0,
107 0x00, 0x09, 0x0D, 0x05, 0xF7, 0xFF, 0x12, 0xE0,
108 0x00, 0x0A, 0x0C, 0x06, 0xF7, 0xFF, 0x12, 0xE0,
109 0x00, 0x0F, 0x0B, 0x03, 0xF7, 0xFF, 0x12, 0xE0,
110 0x00, 0x08, 0x0A, 0x0C, 0xF7, 0xFF, 0x12, 0xE0,
111 0x00, 0x0D, 0x09, 0x09, 0xF7, 0xFF, 0x12, 0xE0,
112 0x00, 0x0E, 0x08, 0x0A, 0xF7, 0xFF, 0x12, 0xE0,
113 0x00, 0x03, 0x07, 0x17, 0xF7, 0xFF, 0x12, 0xE0,
114 0x00, 0x3C, 0x06, 0xE0, 0xF7, 0xFF, 0x12, 0xE0,
115 0x00, 0x01, 0x05, 0x1D, 0xF7, 0xFF, 0x12, 0xE0,
116 0x00, 0x02, 0x04, 0x1E, 0xF7, 0xFF, 0x12, 0xE0,
117 0x00, 0x07, 0x03, 0x1B, 0xF7, 0xFF, 0x12, 0xE0,
118 0x00, 0x00, 0x02, 0x24, 0xF7, 0xFF, 0x12, 0xE0,
119 0x00, 0x05, 0x01, 0x21, 0xF7, 0xFF, 0x12, 0xE0 };
120
121 memcpy(c.d.asBytes, csns, 8*NUM_CSNS);
122
123 SendCommand(&c);
124 if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) {
125 PrintAndLog("Command timed out");
126 return 0;
127 }
128
129 uint8_t num_mac_responses = resp.arg[1];
130 PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses,NUM_CSNS);
131
132 size_t datalen = NUM_CSNS*24;
133 /*
134 * Now, time to dump to file. We'll use this format:
135 * <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>....
136 * So, it should wind up as
137 * 8 * 24 bytes.
138 *
139 * The returndata from the pm3 is on the following format
140 * <4 byte NR><4 byte MAC>
141 * CC are all zeroes, CSN is the same as was sent in
142 **/
143 void* dump = malloc(datalen);
144 memset(dump,0,datalen);//<-- Need zeroes for the CC-field
145 uint8_t i = 0;
146 for(i = 0 ; i < NUM_CSNS ; i++)
147 {
148 memcpy(dump+i*24, csns+i*8,8); //CSN
149 //8 zero bytes here...
150 //Then comes NR_MAC (eight bytes from the response)
151 memcpy(dump+i*24+16,resp.d.asBytes+i*8,8);
152
153 }
154 /** Now, save to dumpfile **/
155 saveFile("iclass_mac_attack", "bin", dump,datalen);
156 free(dump);
157 }else
158 {
159 UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}};
160 memcpy(c.d.asBytes, CSN, 8);
161 SendCommand(&c);
162 }
163
164 return 0;
165 }
166
167 int CmdHFiClassReader(const char *Cmd)
168 {
169 UsbCommand c = {CMD_READER_ICLASS, {0}};
170 SendCommand(&c);
171 UsbCommand resp;
172 while(!ukbhit()){
173 if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
174 uint8_t isOK = resp.arg[0] & 0xff;
175 uint8_t * data = resp.d.asBytes;
176
177 PrintAndLog("isOk:%02x", isOK);
178 if( isOK == 0){
179 //Aborted
180 PrintAndLog("Quitting...");
181 return 0;
182 }
183 if(isOK > 0)
184 {
185 PrintAndLog("CSN: %s",sprint_hex(data,8));
186 }
187 if(isOK >= 1)
188 {
189 PrintAndLog("CC: %s",sprint_hex(data+8,8));
190 }else{
191 PrintAndLog("No CC obtained");
192 }
193 } else {
194 PrintAndLog("Command execute timeout");
195 }
196 }
197
198 return 0;
199 }
200
201 int CmdHFiClassReader_Replay(const char *Cmd)
202 {
203 uint8_t readerType = 0;
204 uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};
205
206 if (strlen(Cmd)<1) {
207 PrintAndLog("Usage: hf iclass replay <MAC>");
208 PrintAndLog(" sample: hf iclass replay 00112233");
209 return 0;
210 }
211
212 if (param_gethex(Cmd, 0, MAC, 8)) {
213 PrintAndLog("MAC must include 8 HEX symbols");
214 return 1;
215 }
216
217 UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}};
218 memcpy(c.d.asBytes, MAC, 4);
219 SendCommand(&c);
220
221 return 0;
222 }
223
224 int CmdHFiClassReader_Dump(const char *Cmd)
225 {
226 uint8_t readerType = 0;
227 uint8_t MAC[4]={0x00,0x00,0x00,0x00};
228 uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
229 uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
230 uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
231 //uint8_t CC_temp[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
232 uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
233 uint8_t keytable[128] = {0};
234 int elite = 0;
235 uint8_t *used_key;
236 int i;
237 if (strlen(Cmd)<1)
238 {
239 PrintAndLog("Usage: hf iclass dump <Key> [e]");
240 PrintAndLog(" Key - A 16 byte master key");
241 PrintAndLog(" e - If 'e' is specified, the key is interpreted as the 16 byte");
242 PrintAndLog(" Custom Key (KCus), which can be obtained via reader-attack");
243 PrintAndLog(" See 'hf iclass sim 2'. This key should be on iclass-format");
244 PrintAndLog(" sample: hf iclass dump 0011223344556677");
245
246
247 return 0;
248 }
249
250 if (param_gethex(Cmd, 0, KEY, 16))
251 {
252 PrintAndLog("KEY must include 16 HEX symbols");
253 return 1;
254 }
255
256 if (param_getchar(Cmd, 1) == 'e')
257 {
258 PrintAndLog("Elite switch on");
259 elite = 1;
260
261 //calc h2
262 hash2(KEY, keytable);
263 printarr_human_readable("keytable", keytable, 128);
264
265 }
266
267 UsbCommand resp;
268 uint8_t key_sel[8] = {0};
269 uint8_t key_sel_p[8] = { 0 };
270
271 UsbCommand c = {CMD_READER_ICLASS, {0}};
272 c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_GET_CC;
273 SendCommand(&c);
274
275
276
277 if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
278 {
279 PrintAndLog("Command execute timeout");
280 return 0;
281 }
282
283 uint8_t isOK = resp.arg[0] & 0xff;
284 uint8_t * data = resp.d.asBytes;
285
286 memcpy(CSN,data,8);
287 memcpy(CCNR,data+8,8);
288
289 PrintAndLog("isOk:%02x", isOK);
290
291 if(isOK > 0)
292 {
293 PrintAndLog("CSN: %s",sprint_hex(CSN,8));
294 }
295 if(isOK <= 1){
296 PrintAndLog("Failed to obtain CC! Aborting");
297 return 0;
298 }
299 //Status 2 or higher
300
301 if(elite)
302 {
303 //Get the key index (hash1)
304 uint8_t key_index[8] = {0};
305
306 hash1(CSN, key_index);
307 printvar("hash1", key_index,8);
308 for(i = 0; i < 8 ; i++)
309 key_sel[i] = keytable[key_index[i]] & 0xFF;
310 PrintAndLog("Pre-fortified 'permuted' HS key that would be needed by an iclass reader to talk to above CSN:");
311 printvar("k_sel", key_sel,8);
312 //Permute from iclass format to standard format
313 permutekey_rev(key_sel,key_sel_p);
314 used_key = key_sel_p;
315 }else{
316 used_key = KEY;
317 }
318
319 PrintAndLog("Pre-fortified key that would be needed by the OmniKey reader to talk to above CSN:");
320 printvar("Used key",used_key,8);
321 diversifyKey(CSN,used_key, div_key);
322 PrintAndLog("Hash0, a.k.a diversified key, that is computed using Ksel and stored in the card (Block 3):");
323 printvar("Div key", div_key, 8);
324 printvar("CC_NR:",CCNR,12);
325 doMAC(CCNR,div_key, MAC);
326 printvar("MAC", MAC, 4);
327
328 uint8_t iclass_data[32000] = {0};
329 uint32_t iclass_datalen = 0;
330 uint32_t iclass_blocksFailed = 0;//Set to 1 if dump was incomplete
331
332 UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
333 memcpy(d.d.asBytes, MAC, 4);
334 clearCommandBuffer();
335 SendCommand(&d);
336 PrintAndLog("Waiting for device to dump data. Press button on device and key on keyboard to abort...");
337 while (true) {
338 printf(".");
339 if (ukbhit()) {
340 getchar();
341 printf("\naborted via keyboard!\n");
342 break;
343 }
344 if(WaitForResponseTimeout(CMD_ACK,&resp,4500))
345 {
346 uint32_t dataLength = resp.arg[0];
347 iclass_blocksFailed |= resp.arg[1];
348 if(dataLength > 0)
349 {
350 PrintAndLog("Got %d bytes data (total so far %d)" ,dataLength,iclass_datalen);
351 memcpy(iclass_data, resp.d.asBytes,dataLength);
352 iclass_datalen += dataLength;
353 }else
354 {//Last transfer, datalength 0 means the dump is finished
355 PrintAndLog("Dumped %d bytes of data from tag. ", iclass_datalen);
356 if(iclass_blocksFailed)
357 {
358 PrintAndLog("OBS! Some blocks failed to be dumped correctly!");
359 }
360 if(iclass_datalen > 0)
361 {
362 char filename[100] = {0};
363 //create a preferred filename
364 snprintf(filename, 100,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
365 CSN[0],CSN[1],CSN[2],CSN[3],
366 CSN[4],CSN[5],CSN[6],CSN[7]);
367 //Place the div_key in block 3
368 memcpy(iclass_data+(3*8), div_key, 8);
369 saveFile(filename,"bin",iclass_data, iclass_datalen );
370 }
371 //Aaaand we're finished
372 return 0;
373 }
374 }
375 }
376
377
378 return 0;
379 }
380
381 int hf_iclass_eload_usage()
382 {
383 PrintAndLog("Loads iclass tag-dump into emulator memory on device");
384 PrintAndLog("Usage: hf iclass eload f <filename>");
385 PrintAndLog("");
386 PrintAndLog("Example: hf iclass eload f iclass_tagdump-aa162d30f8ff12f1.bin");
387 return 0;
388
389 }
390
391 int iclassEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {
392 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}};
393 memcpy(c.d.asBytes, data, blocksCount * 16);
394 SendCommand(&c);
395 return 0;
396 }
397 int CmdHFiClassELoad(const char *Cmd)
398 {
399
400 char opt = param_getchar(Cmd, 0);
401 if (strlen(Cmd)<1 || opt == 'h')
402 return hf_iclass_eload_usage();
403
404 //File handling and reading
405 FILE *f;
406 char filename[FILE_PATH_SIZE];
407 if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
408 {
409 f = fopen(filename, "rb");
410 }else{
411 return hf_iclass_eload_usage();
412 }
413
414 if(!f) {
415 PrintAndLog("Failed to read from file '%s'", filename);
416 return 1;
417 }
418
419 fseek(f, 0, SEEK_END);
420 long fsize = ftell(f);
421 fseek(f, 0, SEEK_SET);
422
423 uint8_t *dump = malloc(fsize);
424
425
426 size_t bytes_read = fread(dump, 1, fsize, f);
427 fclose(f);
428
429 printIclassDumpInfo(dump);
430 //Validate
431
432 if (bytes_read < fsize)
433 {
434 prnlog("Error, could only read %d bytes (should be %d)",bytes_read, fsize );
435 free(dump);
436 return 1;
437 }
438 //Send to device
439 uint32_t bytes_sent = 0;
440 uint32_t bytes_remaining = bytes_read;
441
442 while(bytes_remaining > 0){
443 uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining);
444 UsbCommand c = {CMD_ICLASS_EML_MEMSET, {bytes_sent,bytes_in_packet,0}};
445 memcpy(c.d.asBytes, dump, bytes_in_packet);
446 SendCommand(&c);
447 bytes_remaining -= bytes_in_packet;
448 bytes_sent += bytes_in_packet;
449 }
450 free(dump);
451 PrintAndLog("Sent %d bytes of data to device emulator memory", bytes_sent);
452 return 0;
453 }
454
455 int usage_hf_iclass_decrypt()
456 {
457 PrintAndLog("Usage: hf iclass decrypt f <tagdump> o ");
458 PrintAndLog("");
459 PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
460 PrintAndLog("in the working directory. The file should be 16 bytes binary data");
461 PrintAndLog("");
462 PrintAndLog("example: hf iclass decrypt f tagdump_12312342343.bin");
463 PrintAndLog("");
464 PrintAndLog("OBS! This is pretty stupid implementation, it tries to decrypt every block after block 6. ");
465 PrintAndLog("Correct behaviour would be to decrypt only the application areas where the key is valid,");
466 PrintAndLog("which is defined by the configuration block.");
467 return 1;
468 }
469
470 int readKeyfile(const char *filename, size_t len, uint8_t* buffer)
471 {
472 FILE *f = fopen(filename, "rb");
473 if(!f) {
474 PrintAndLog("Failed to read from file '%s'", filename);
475 return 1;
476 }
477 fseek(f, 0, SEEK_END);
478 long fsize = ftell(f);
479 fseek(f, 0, SEEK_SET);
480 size_t bytes_read = fread(buffer, 1, len, f);
481 fclose(f);
482 if(fsize != len)
483 {
484 PrintAndLog("Warning, file size is %d, expected %d", fsize, len);
485 return 1;
486 }
487 if(bytes_read != len)
488 {
489 PrintAndLog("Warning, could only read %d bytes, expected %d" ,bytes_read, len);
490 return 1;
491 }
492 return 0;
493 }
494
495 int CmdHFiClassDecrypt(const char *Cmd)
496 {
497 uint8_t key[16] = { 0 };
498 if(readKeyfile("iclass_decryptionkey.bin", 16, key))
499 {
500 usage_hf_iclass_decrypt();
501 return 1;
502 }
503 PrintAndLog("Decryption file found... ");
504 char opt = param_getchar(Cmd, 0);
505 if (strlen(Cmd)<1 || opt == 'h')
506 return usage_hf_iclass_decrypt();
507
508 //Open the tagdump-file
509 FILE *f;
510 char filename[FILE_PATH_SIZE];
511 if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
512 {
513 f = fopen(filename, "rb");
514 }else{
515 return usage_hf_iclass_decrypt();
516 }
517
518 fseek(f, 0, SEEK_END);
519 long fsize = ftell(f);
520 fseek(f, 0, SEEK_SET);
521 uint8_t enc_dump[8] = {0};
522 uint8_t *decrypted = malloc(fsize);
523 des3_context ctx = { DES_DECRYPT ,{ 0 } };
524 des3_set2key_dec( &ctx, key);
525 size_t bytes_read = fread(enc_dump, 1, 8, f);
526
527 //Use the first block (CSN) for filename
528 char outfilename[FILE_PATH_SIZE] = { 0 };
529 snprintf(outfilename,FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x-decrypted",
530 enc_dump[0],enc_dump[1],enc_dump[2],enc_dump[3],
531 enc_dump[4],enc_dump[5],enc_dump[6],enc_dump[7]);
532
533 size_t blocknum =0;
534 while(bytes_read == 8)
535 {
536 if(blocknum < 7)
537 {
538 memcpy(decrypted+(blocknum*8), enc_dump, 8);
539 }else{
540 des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) );
541 }
542 printvar("decrypted block", decrypted +(blocknum*8), 8);
543 bytes_read = fread(enc_dump, 1, 8, f);
544 blocknum++;
545 }
546 fclose(f);
547
548 saveFile(outfilename,"bin", decrypted, blocknum*8);
549
550 return 0;
551 }
552
553 int CmdHFiClass_iso14443A_write(const char *Cmd)
554 {
555 uint8_t readerType = 0;
556 uint8_t MAC[4]={0x00,0x00,0x00,0x00};
557 uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
558 uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
559 uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
560 uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
561
562 uint8_t blockNo=0;
563 uint8_t bldata[8]={0};
564
565 if (strlen(Cmd)<3)
566 {
567 PrintAndLog("Usage: hf iclass write <Key> <Block> <Data>");
568 PrintAndLog(" sample: hf iclass write 0011223344556677 10 AAAAAAAAAAAAAAAA");
569 return 0;
570 }
571
572 if (param_gethex(Cmd, 0, KEY, 16))
573 {
574 PrintAndLog("KEY must include 16 HEX symbols");
575 return 1;
576 }
577
578 blockNo = param_get8(Cmd, 1);
579 if (blockNo>32)
580 {
581 PrintAndLog("Error: Maximum number of blocks is 32 for iClass 2K Cards!");
582 return 1;
583 }
584 if (param_gethex(Cmd, 2, bldata, 8))
585 {
586 PrintAndLog("Block data must include 8 HEX symbols");
587 return 1;
588 }
589
590 UsbCommand c = {CMD_ICLASS_ISO14443A_WRITE, {0}};
591 SendCommand(&c);
592 UsbCommand resp;
593
594 if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
595 uint8_t isOK = resp.arg[0] & 0xff;
596 uint8_t * data = resp.d.asBytes;
597
598 memcpy(CSN,data,8);
599 memcpy(CCNR,data+8,8);
600 PrintAndLog("DEBUG: %s",sprint_hex(CSN,8));
601 PrintAndLog("DEBUG: %s",sprint_hex(CCNR,8));
602 PrintAndLog("isOk:%02x", isOK);
603 } else {
604 PrintAndLog("Command execute timeout");
605 }
606
607 diversifyKey(CSN,KEY, div_key);
608
609 PrintAndLog("Div Key: %s",sprint_hex(div_key,8));
610 doMAC(CCNR, div_key, MAC);
611
612 UsbCommand c2 = {CMD_ICLASS_ISO14443A_WRITE, {readerType,blockNo}};
613 memcpy(c2.d.asBytes, bldata, 8);
614 memcpy(c2.d.asBytes+8, MAC, 4);
615 SendCommand(&c2);
616
617 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
618 uint8_t isOK = resp.arg[0] & 0xff;
619 uint8_t * data = resp.d.asBytes;
620
621 if (isOK)
622 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 4));
623 else
624 PrintAndLog("isOk:%02x", isOK);
625 } else {
626 PrintAndLog("Command execute timeout");
627 }
628 return 0;
629 }
630 int CmdHFiClass_loclass(const char *Cmd)
631 {
632 char opt = param_getchar(Cmd, 0);
633
634 if (strlen(Cmd)<1 || opt == 'h') {
635 PrintAndLog("Usage: hf iclass loclass [options]");
636 PrintAndLog("Options:");
637 PrintAndLog("h Show this help");
638 PrintAndLog("t Perform self-test");
639 PrintAndLog("f <filename> Bruteforce iclass dumpfile");
640 PrintAndLog(" An iclass dumpfile is assumed to consist of an arbitrary number of");
641 PrintAndLog(" malicious CSNs, and their protocol responses");
642 PrintAndLog(" The the binary format of the file is expected to be as follows: ");
643 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
644 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
645 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
646 PrintAndLog(" ... totalling N*24 bytes");
647 return 0;
648 }
649 char fileName[255] = {0};
650 if(opt == 'f')
651 {
652 if(param_getstr(Cmd, 1, fileName) > 0)
653 {
654 return bruteforceFileNoKeys(fileName);
655 }else
656 {
657 PrintAndLog("You must specify a filename");
658 }
659 }
660 else if(opt == 't')
661 {
662 int errors = testCipherUtils();
663 errors += testMAC();
664 errors += doKeyTests(0);
665 errors += testElite();
666 if(errors)
667 {
668 prnlog("OBS! There were errors!!!");
669 }
670 return errors;
671 }
672
673 return 0;
674 }
675
676 static command_t CommandTable[] =
677 {
678 {"help", CmdHelp, 1, "This help"},
679 {"list", CmdHFiClassList, 0, "[Deprecated] List iClass history"},
680 {"snoop", CmdHFiClassSnoop, 0, "Eavesdrop iClass communication"},
681 {"sim", CmdHFiClassSim, 0, "Simulate iClass tag"},
682 {"reader",CmdHFiClassReader, 0, "Read an iClass tag"},
683 {"replay",CmdHFiClassReader_Replay, 0, "Read an iClass tag via Reply Attack"},
684 {"dump", CmdHFiClassReader_Dump, 0, "Authenticate and Dump iClass tag"},
685 // {"write", CmdHFiClass_iso14443A_write, 0, "Authenticate and Write iClass block"},
686 {"loclass", CmdHFiClass_loclass, 1, "Use loclass to perform bruteforce of reader attack dump"},
687 {"eload", CmdHFiClassELoad, 0, "[experimental] Load data into iclass emulator memory"},
688 {"decrypt", CmdHFiClassDecrypt, 1, "Decrypt tagdump" },
689 {NULL, NULL, 0, NULL}
690 };
691
692 int CmdHFiClass(const char *Cmd)
693 {
694 CmdsParse(CommandTable, Cmd);
695 return 0;
696 }
697
698 int CmdHelp(const char *Cmd)
699 {
700 CmdsHelp(CommandTable);
701 return 0;
702 }
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