]> cvs.zerfleddert.de Git - proxmark3-svn/blob - client/cmdhficlass.c
Implemented 'hf iclass decrypt <tagdump>'. This performs the 3des decryption of iclas...
[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("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("example: hf iclass decrypt tagdump_12312342343.bin");
457 PrintAndLog("");
458 PrintAndLog("OBS! This is pretty stupid implementation, it tries to decrypt every block after block 5. ");
459 PrintAndLog("Correct behaviour would be to decrypt only the application areas where the key is valid,");
460 PrintAndLog("which is defined by the configuration block.");
461 return 1;
462 }
463
464 int readKeyfile(const char *filename, size_t len, uint8_t* buffer)
465 {
466 FILE *f = fopen(filename, "rb");
467 if(!f) {
468 PrintAndLog("Failed to read from file '%s'", filename);
469 return 1;
470 }
471 fseek(f, 0, SEEK_END);
472 long fsize = ftell(f);
473 fseek(f, 0, SEEK_SET);
474 size_t bytes_read = fread(buffer, 1, len, f);
475 fclose(f);
476 if(fsize != len)
477 {
478 PrintAndLog("Warning, file size is %d, expected %d", fsize, len);
479 return 1;
480 }
481 if(bytes_read != len)
482 {
483 PrintAndLog("Warning, could only read %d bytes, expected %d" ,bytes_read, len);
484 return 1;
485 }
486 return 0;
487 }
488
489 int CmdHFiClassDecrypt(const char *Cmd)
490 {
491 uint8_t key[16] = { 0 };
492 if(readKeyfile("iclass_decryptionkey.bin", 16, key))
493 {
494 usage_hf_iclass_decrypt();
495 return 1;
496 }
497 PrintAndLog("Decryption file found... ");
498 char opt = param_getchar(Cmd, 0);
499 if (strlen(Cmd)<1 || opt == 'h')
500 return usage_hf_iclass_decrypt();
501
502 //Open the tagdump-file
503 FILE *f;
504 char filename[FILE_PATH_SIZE];
505 if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
506 {
507 f = fopen(filename, "rb");
508 }else{
509 return usage_hf_iclass_decrypt();
510 }
511
512 fseek(f, 0, SEEK_END);
513 long fsize = ftell(f);
514 fseek(f, 0, SEEK_SET);
515 uint8_t enc_dump[8] = {0};
516 uint8_t *decrypted = malloc(fsize);
517 des3_context ctx = { DES_DECRYPT ,{ 0 } };
518 des3_set2key_dec( &ctx, key);
519 size_t bytes_read = fread(enc_dump, 1, 8, f);
520
521 //Use the first block (CSN) for filename
522 char outfilename[FILE_PATH_SIZE] = { 0 };
523 snprintf(outfilename,FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x-decrypted",
524 enc_dump[0],enc_dump[1],enc_dump[2],enc_dump[3],
525 enc_dump[4],enc_dump[5],enc_dump[6],enc_dump[7]);
526
527 size_t blocknum =0;
528 while(bytes_read == 8)
529 {
530 if(blocknum < 6)
531 {
532 memcpy(decrypted+(blocknum*8), enc_dump, 8);
533 }else{
534 des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) );
535 }
536 printvar("decrypted block", decrypted +(blocknum*8), 8);
537 bytes_read = fread(enc_dump, 1, 8, f);
538 blocknum++;
539 }
540 fclose(f);
541
542 saveFile(outfilename,"bin", decrypted, blocknum*8);
543
544 return 0;
545 }
546
547 int CmdHFiClass_iso14443A_write(const char *Cmd)
548 {
549 uint8_t readerType = 0;
550 uint8_t MAC[4]={0x00,0x00,0x00,0x00};
551 uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
552 uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
553 uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
554 uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
555
556 uint8_t blockNo=0;
557 uint8_t bldata[8]={0};
558
559 if (strlen(Cmd)<3)
560 {
561 PrintAndLog("Usage: hf iclass write <Key> <Block> <Data>");
562 PrintAndLog(" sample: hf iclass write 0011223344556677 10 AAAAAAAAAAAAAAAA");
563 return 0;
564 }
565
566 if (param_gethex(Cmd, 0, KEY, 16))
567 {
568 PrintAndLog("KEY must include 16 HEX symbols");
569 return 1;
570 }
571
572 blockNo = param_get8(Cmd, 1);
573 if (blockNo>32)
574 {
575 PrintAndLog("Error: Maximum number of blocks is 32 for iClass 2K Cards!");
576 return 1;
577 }
578 if (param_gethex(Cmd, 2, bldata, 8))
579 {
580 PrintAndLog("Block data must include 8 HEX symbols");
581 return 1;
582 }
583
584 UsbCommand c = {CMD_ICLASS_ISO14443A_WRITE, {0}};
585 SendCommand(&c);
586 UsbCommand resp;
587
588 if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
589 uint8_t isOK = resp.arg[0] & 0xff;
590 uint8_t * data = resp.d.asBytes;
591
592 memcpy(CSN,data,8);
593 memcpy(CCNR,data+8,8);
594 PrintAndLog("DEBUG: %s",sprint_hex(CSN,8));
595 PrintAndLog("DEBUG: %s",sprint_hex(CCNR,8));
596 PrintAndLog("isOk:%02x", isOK);
597 } else {
598 PrintAndLog("Command execute timeout");
599 }
600
601 diversifyKey(CSN,KEY, div_key);
602
603 PrintAndLog("Div Key: %s",sprint_hex(div_key,8));
604 doMAC(CCNR, 12,div_key, MAC);
605
606 UsbCommand c2 = {CMD_ICLASS_ISO14443A_WRITE, {readerType,blockNo}};
607 memcpy(c2.d.asBytes, bldata, 8);
608 memcpy(c2.d.asBytes+8, MAC, 4);
609 SendCommand(&c2);
610
611 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
612 uint8_t isOK = resp.arg[0] & 0xff;
613 uint8_t * data = resp.d.asBytes;
614
615 if (isOK)
616 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 4));
617 else
618 PrintAndLog("isOk:%02x", isOK);
619 } else {
620 PrintAndLog("Command execute timeout");
621 }
622 return 0;
623 }
624 int CmdHFiClass_loclass(const char *Cmd)
625 {
626 char opt = param_getchar(Cmd, 0);
627
628 if (strlen(Cmd)<1 || opt == 'h') {
629 PrintAndLog("Usage: hf iclass loclass [options]");
630 PrintAndLog("Options:");
631 PrintAndLog("h Show this help");
632 PrintAndLog("t Perform self-test");
633 PrintAndLog("f <filename> Bruteforce iclass dumpfile");
634 PrintAndLog(" An iclass dumpfile is assumed to consist of an arbitrary number of");
635 PrintAndLog(" malicious CSNs, and their protocol responses");
636 PrintAndLog(" The the binary format of the file is expected to be as follows: ");
637 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
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(" ... totalling N*24 bytes");
641 return 0;
642 }
643 char fileName[255] = {0};
644 if(opt == 'f')
645 {
646 if(param_getstr(Cmd, 1, fileName) > 0)
647 {
648 return bruteforceFileNoKeys(fileName);
649 }else
650 {
651 PrintAndLog("You must specify a filename");
652 }
653 }
654 else if(opt == 't')
655 {
656 int errors = testCipherUtils();
657 errors += testMAC();
658 errors += doKeyTests(0);
659 errors += testElite();
660 if(errors)
661 {
662 prnlog("OBS! There were errors!!!");
663 }
664 return errors;
665 }
666
667 return 0;
668 }
669
670 static command_t CommandTable[] =
671 {
672 {"help", CmdHelp, 1, "This help"},
673 {"list", CmdHFiClassList, 0, "[Deprecated] List iClass history"},
674 {"snoop", CmdHFiClassSnoop, 0, "Eavesdrop iClass communication"},
675 {"sim", CmdHFiClassSim, 0, "Simulate iClass tag"},
676 {"reader",CmdHFiClassReader, 0, "Read an iClass tag"},
677 {"replay",CmdHFiClassReader_Replay, 0, "Read an iClass tag via Reply Attack"},
678 {"dump", CmdHFiClassReader_Dump, 0, "Authenticate and Dump iClass tag"},
679 // {"write", CmdHFiClass_iso14443A_write, 0, "Authenticate and Write iClass block"},
680 {"loclass", CmdHFiClass_loclass, 1, "Use loclass to perform bruteforce of reader attack dump"},
681 {"eload", CmdHFiClassELoad, 0, "[experimental] Load data into iclass emulator memory"},
682 {"decrypt", CmdHFiClassDecrypt, 1, "Decrypt tagdump" },
683 {NULL, NULL, 0, NULL}
684 };
685
686 int CmdHFiClass(const char *Cmd)
687 {
688 CmdsParse(CommandTable, Cmd);
689 return 0;
690 }
691
692 int CmdHelp(const char *Cmd)
693 {
694 CmdsHelp(CommandTable);
695 return 0;
696 }
Impressum, Datenschutz