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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
33 static int CmdHelp(const char *Cmd);
34
35 int xorbits_8(uint8_t val)
36 {
37 uint8_t res = val ^ (val >> 1); //1st pass
38 res = res ^ (res >> 1); // 2nd pass
39 res = res ^ (res >> 2); // 3rd pass
40 res = res ^ (res >> 4); // 4th pass
41 return res & 1;
42 }
43
44 int CmdHFiClassList(const char *Cmd)
45 {
46 PrintAndLog("Deprecated command, use 'hf list iclass' instead");
47 return 0;
48 }
49
50 int CmdHFiClassSnoop(const char *Cmd)
51 {
52 UsbCommand c = {CMD_SNOOP_ICLASS};
53 SendCommand(&c);
54 return 0;
55 }
56 int usage_hf_iclass_sim()
57 {
58 PrintAndLog("Usage: hf iclass sim <option> [CSN]");
59 PrintAndLog(" options");
60 PrintAndLog(" 0 <CSN> simulate the given CSN");
61 PrintAndLog(" 1 simulate default CSN");
62 PrintAndLog(" 2 Reader-attack, gather reader responses to extract elite key");
63 PrintAndLog(" 3 Full simulation using emulator memory (see 'hf iclass eload')");
64 PrintAndLog(" example: hf iclass sim 0 031FEC8AF7FF12E0");
65 PrintAndLog(" example: hf iclass sim 2");
66 PrintAndLog(" example: hf iclass eload 'tagdump.bin'");
67 PrintAndLog(" hf iclass sim 3");
68 return 0;
69 }
70
71 #define NUM_CSNS 15
72 int CmdHFiClassSim(const char *Cmd)
73 {
74 uint8_t simType = 0;
75 uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
76
77 if (strlen(Cmd)<1) {
78 usage_hf_iclass_sim();
79 }
80
81 simType = param_get8(Cmd, 0);
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,12,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 saveFile(filename,"bin",iclass_data, iclass_datalen );
368 }
369 //Aaaand we're finished
370 return 0;
371 }
372 }
373 }
374
375
376 return 0;
377 }
378
379 int hf_iclass_eload_usage()
380 {
381 PrintAndLog("Loads iclass tag-dump into emulator memory on device");
382 PrintAndLog("Usage: hf iclass eload f <filename>");
383 PrintAndLog("");
384 PrintAndLog("Example: hf iclass eload f iclass_tagdump-aa162d30f8ff12f1.bin");
385 return 0;
386
387 }
388
389 int iclassEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {
390 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}};
391 memcpy(c.d.asBytes, data, blocksCount * 16);
392 SendCommand(&c);
393 return 0;
394 }
395 int CmdHFiClassELoad(const char *Cmd)
396 {
397
398 char opt = param_getchar(Cmd, 0);
399 if (strlen(Cmd)<1 || opt == 'h')
400 return hf_iclass_eload_usage();
401
402 //File handling and reading
403 FILE *f;
404 char filename[FILE_PATH_SIZE];
405 if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
406 {
407 f = fopen(filename, "rb");
408 }else{
409 return hf_iclass_eload_usage();
410 }
411
412 if(!f) {
413 PrintAndLog("Failed to read from file '%s'", filename);
414 return 1;
415 }
416
417 fseek(f, 0, SEEK_END);
418 long fsize = ftell(f);
419 fseek(f, 0, SEEK_SET);
420
421 uint8_t *dump = malloc(fsize);
422 size_t bytes_read = fread(dump, 1, fsize, f);
423 fclose(f);
424
425 //Validate
426
427 if (bytes_read < fsize)
428 {
429 prnlog("Error, could only read %d bytes (should be %d)",bytes_read, fsize );
430 free(dump);
431 return 1;
432 }
433 //Send to device
434 uint32_t bytes_sent = 0;
435 uint32_t bytes_remaining = bytes_read;
436
437 while(bytes_remaining > 0){
438 uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining);
439 UsbCommand c = {CMD_ICLASS_EML_MEMSET, {bytes_sent,bytes_in_packet,0}};
440 memcpy(c.d.asBytes, dump, bytes_in_packet);
441 SendCommand(&c);
442 bytes_remaining -= bytes_in_packet;
443 bytes_sent += bytes_in_packet;
444 }
445 free(dump);
446 PrintAndLog("Sent %d bytes of data to device emulator memory", bytes_sent);
447 return 0;
448 }
449
450 int usage_hf_iclass_decrypt()
451 {
452 PrintAndLog("Usage: hf iclass decrypt f <tagdump> o ");
453 PrintAndLog("");
454 PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
455 PrintAndLog("in the working directory. The file should be 16 bytes binary data");
456 PrintAndLog("");
457 PrintAndLog("example: hf iclass decrypt tagdump_12312342343.bin");
458 PrintAndLog("");
459 PrintAndLog("OBS! This is pretty stupid implementation, it tries to decrypt every block after block 6. ");
460 PrintAndLog("Correct behaviour would be to decrypt only the application areas where the key is valid,");
461 PrintAndLog("which is defined by the configuration block.");
462 return 1;
463 }
464
465 int readKeyfile(const char *filename, size_t len, uint8_t* buffer)
466 {
467 FILE *f = fopen(filename, "rb");
468 if(!f) {
469 PrintAndLog("Failed to read from file '%s'", filename);
470 return 1;
471 }
472 fseek(f, 0, SEEK_END);
473 long fsize = ftell(f);
474 fseek(f, 0, SEEK_SET);
475 size_t bytes_read = fread(buffer, 1, len, f);
476 fclose(f);
477 if(fsize != len)
478 {
479 PrintAndLog("Warning, file size is %d, expected %d", fsize, len);
480 return 1;
481 }
482 if(bytes_read != len)
483 {
484 PrintAndLog("Warning, could only read %d bytes, expected %d" ,bytes_read, len);
485 return 1;
486 }
487 return 0;
488 }
489
490 int CmdHFiClassDecrypt(const char *Cmd)
491 {
492 uint8_t key[16] = { 0 };
493 if(readKeyfile("iclass_decryptionkey.bin", 16, key))
494 {
495 usage_hf_iclass_decrypt();
496 return 1;
497 }
498 PrintAndLog("Decryption file found... ");
499 char opt = param_getchar(Cmd, 0);
500 if (strlen(Cmd)<1 || opt == 'h')
501 return usage_hf_iclass_decrypt();
502
503 //Open the tagdump-file
504 FILE *f;
505 char filename[FILE_PATH_SIZE];
506 if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
507 {
508 f = fopen(filename, "rb");
509 }else{
510 return usage_hf_iclass_decrypt();
511 }
512
513 fseek(f, 0, SEEK_END);
514 long fsize = ftell(f);
515 fseek(f, 0, SEEK_SET);
516 uint8_t enc_dump[8] = {0};
517 uint8_t *decrypted = malloc(fsize);
518 des3_context ctx = { DES_DECRYPT ,{ 0 } };
519 des3_set2key_dec( &ctx, key);
520 size_t bytes_read = fread(enc_dump, 1, 8, f);
521
522 //Use the first block (CSN) for filename
523 char outfilename[FILE_PATH_SIZE] = { 0 };
524 snprintf(outfilename,FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x-decrypted",
525 enc_dump[0],enc_dump[1],enc_dump[2],enc_dump[3],
526 enc_dump[4],enc_dump[5],enc_dump[6],enc_dump[7]);
527
528 size_t blocknum =0;
529 while(bytes_read == 8)
530 {
531 if(blocknum < 7)
532 {
533 memcpy(decrypted+(blocknum*8), enc_dump, 8);
534 }else{
535 des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) );
536 }
537 printvar("decrypted block", decrypted +(blocknum*8), 8);
538 bytes_read = fread(enc_dump, 1, 8, f);
539 blocknum++;
540 }
541 fclose(f);
542
543 saveFile(outfilename,"bin", decrypted, blocknum*8);
544
545 return 0;
546 }
547
548 int CmdHFiClass_iso14443A_write(const char *Cmd)
549 {
550 uint8_t readerType = 0;
551 uint8_t MAC[4]={0x00,0x00,0x00,0x00};
552 uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
553 uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
554 uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
555 uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
556
557 uint8_t blockNo=0;
558 uint8_t bldata[8]={0};
559
560 if (strlen(Cmd)<3)
561 {
562 PrintAndLog("Usage: hf iclass write <Key> <Block> <Data>");
563 PrintAndLog(" sample: hf iclass write 0011223344556677 10 AAAAAAAAAAAAAAAA");
564 return 0;
565 }
566
567 if (param_gethex(Cmd, 0, KEY, 16))
568 {
569 PrintAndLog("KEY must include 16 HEX symbols");
570 return 1;
571 }
572
573 blockNo = param_get8(Cmd, 1);
574 if (blockNo>32)
575 {
576 PrintAndLog("Error: Maximum number of blocks is 32 for iClass 2K Cards!");
577 return 1;
578 }
579 if (param_gethex(Cmd, 2, bldata, 8))
580 {
581 PrintAndLog("Block data must include 8 HEX symbols");
582 return 1;
583 }
584
585 UsbCommand c = {CMD_ICLASS_ISO14443A_WRITE, {0}};
586 SendCommand(&c);
587 UsbCommand resp;
588
589 if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
590 uint8_t isOK = resp.arg[0] & 0xff;
591 uint8_t * data = resp.d.asBytes;
592
593 memcpy(CSN,data,8);
594 memcpy(CCNR,data+8,8);
595 PrintAndLog("DEBUG: %s",sprint_hex(CSN,8));
596 PrintAndLog("DEBUG: %s",sprint_hex(CCNR,8));
597 PrintAndLog("isOk:%02x", isOK);
598 } else {
599 PrintAndLog("Command execute timeout");
600 }
601
602 diversifyKey(CSN,KEY, div_key);
603
604 PrintAndLog("Div Key: %s",sprint_hex(div_key,8));
605 doMAC(CCNR, 12,div_key, MAC);
606
607 UsbCommand c2 = {CMD_ICLASS_ISO14443A_WRITE, {readerType,blockNo}};
608 memcpy(c2.d.asBytes, bldata, 8);
609 memcpy(c2.d.asBytes+8, MAC, 4);
610 SendCommand(&c2);
611
612 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
613 uint8_t isOK = resp.arg[0] & 0xff;
614 uint8_t * data = resp.d.asBytes;
615
616 if (isOK)
617 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 4));
618 else
619 PrintAndLog("isOk:%02x", isOK);
620 } else {
621 PrintAndLog("Command execute timeout");
622 }
623 return 0;
624 }
625 int CmdHFiClass_loclass(const char *Cmd)
626 {
627 char opt = param_getchar(Cmd, 0);
628
629 if (strlen(Cmd)<1 || opt == 'h') {
630 PrintAndLog("Usage: hf iclass loclass [options]");
631 PrintAndLog("Options:");
632 PrintAndLog("h Show this help");
633 PrintAndLog("t Perform self-test");
634 PrintAndLog("f <filename> Bruteforce iclass dumpfile");
635 PrintAndLog(" An iclass dumpfile is assumed to consist of an arbitrary number of");
636 PrintAndLog(" malicious CSNs, and their protocol responses");
637 PrintAndLog(" The the binary format of the file is expected to be as follows: ");
638 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
639 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
640 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
641 PrintAndLog(" ... totalling N*24 bytes");
642 return 0;
643 }
644 char fileName[255] = {0};
645 if(opt == 'f')
646 {
647 if(param_getstr(Cmd, 1, fileName) > 0)
648 {
649 return bruteforceFileNoKeys(fileName);
650 }else
651 {
652 PrintAndLog("You must specify a filename");
653 }
654 }
655 else if(opt == 't')
656 {
657 int errors = testCipherUtils();
658 errors += testMAC();
659 errors += doKeyTests(0);
660 errors += testElite();
661 if(errors)
662 {
663 prnlog("OBS! There were errors!!!");
664 }
665 return errors;
666 }
667
668 return 0;
669 }
670
671 static command_t CommandTable[] =
672 {
673 {"help", CmdHelp, 1, "This help"},
674 {"list", CmdHFiClassList, 0, "[Deprecated] List iClass history"},
675 {"snoop", CmdHFiClassSnoop, 0, "Eavesdrop iClass communication"},
676 {"sim", CmdHFiClassSim, 0, "Simulate iClass tag"},
677 {"reader",CmdHFiClassReader, 0, "Read an iClass tag"},
678 {"replay",CmdHFiClassReader_Replay, 0, "Read an iClass tag via Reply Attack"},
679 {"dump", CmdHFiClassReader_Dump, 0, "Authenticate and Dump iClass tag"},
680 // {"write", CmdHFiClass_iso14443A_write, 0, "Authenticate and Write iClass block"},
681 {"loclass", CmdHFiClass_loclass, 1, "Use loclass to perform bruteforce of reader attack dump"},
682 {"eload", CmdHFiClassELoad, 0, "[experimental] Load data into iclass emulator memory"},
683 {"decrypt", CmdHFiClassDecrypt, 1, "Decrypt tagdump" },
684 {NULL, NULL, 0, NULL}
685 };
686
687 int CmdHFiClass(const char *Cmd)
688 {
689 CmdsParse(CommandTable, Cmd);
690 return 0;
691 }
692
693 int CmdHelp(const char *Cmd)
694 {
695 CmdsHelp(CommandTable);
696 return 0;
697 }
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