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cee5a30d | 1 | //----------------------------------------------------------------------------- |
2 | // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch | |
3 | // Copyright (C) 2011 Gerhard de Koning Gans | |
26c0d833 | 4 | // Copyright (C) 2014 Midnitesnake & Andy Davies & Martin Holst Swende |
cee5a30d | 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> | |
9f6e9d15 | 16 | #include <sys/stat.h> |
cee5a30d | 17 | #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type |
18 | #include "data.h" | |
28fdb04f | 19 | //#include "proxusb.h" |
902cb3c0 | 20 | #include "proxmark3.h" |
cee5a30d | 21 | #include "ui.h" |
22 | #include "cmdparser.h" | |
23 | #include "cmdhficlass.h" | |
24 | #include "common.h" | |
14006804 | 25 | #include "util.h" |
17cba269 | 26 | #include "cmdmain.h" |
a66fca86 AD |
27 | #include "loclass/des.h" |
28 | #include "loclass/cipherutils.h" | |
29 | #include "loclass/cipher.h" | |
30 | #include "loclass/ikeys.h" | |
3ad48540 MHS |
31 | #include "loclass/elite_crack.h" |
32 | #include "loclass/fileutils.h" | |
cee5a30d | 33 | |
34 | static int CmdHelp(const char *Cmd); | |
35 | ||
17cba269 MHS |
36 | int xorbits_8(uint8_t val) |
37 | { | |
3ad48540 MHS |
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; | |
17cba269 MHS |
43 | } |
44 | ||
cee5a30d | 45 | int CmdHFiClassList(const char *Cmd) |
17cba269 MHS |
46 | { |
47 | ||
48 | bool ShowWaitCycles = false; | |
49 | char param = param_getchar(Cmd, 0); | |
50 | ||
51 | if (param != 0) { | |
52 | PrintAndLog("List data in trace buffer."); | |
53 | PrintAndLog("Usage: hf iclass list"); | |
54 | PrintAndLog("h - help"); | |
55 | PrintAndLog("sample: hf iclass list"); | |
56 | return 0; | |
57 | } | |
58 | ||
59 | uint8_t got[1920]; | |
60 | GetFromBigBuf(got,sizeof(got),0); | |
61 | WaitForResponse(CMD_ACK,NULL); | |
62 | ||
63 | PrintAndLog("Recorded Activity"); | |
64 | PrintAndLog(""); | |
65 | PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer"); | |
66 | PrintAndLog("All times are in carrier periods (1/13.56Mhz)"); | |
67 | PrintAndLog(""); | |
68 | PrintAndLog(" Start | End | Src | Data"); | |
69 | PrintAndLog("-----------|-----------|-----|--------"); | |
70 | ||
71 | int i; | |
72 | uint32_t first_timestamp = 0; | |
73 | uint32_t timestamp; | |
74 | bool tagToReader; | |
75 | uint32_t parityBits; | |
76 | uint8_t len; | |
77 | uint8_t *frame; | |
78 | uint32_t EndOfTransmissionTimestamp = 0; | |
79 | ||
17cba269 MHS |
80 | |
81 | for( i=0; i < 1900;) | |
82 | { | |
83 | //First 32 bits contain | |
84 | // isResponse (1 bit) | |
85 | // timestamp (remaining) | |
86 | //Then paritybits | |
87 | //Then length | |
88 | timestamp = *((uint32_t *)(got+i)); | |
89 | parityBits = *((uint32_t *)(got+i+4)); | |
90 | len = got[i+8]; | |
26c0d833 | 91 | frame = (got+i+9); |
17cba269 MHS |
92 | uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff; |
93 | ||
94 | tagToReader = timestamp & 0x80000000; | |
95 | timestamp &= 0x7fffffff; | |
96 | ||
97 | if(i==0) { | |
98 | first_timestamp = timestamp; | |
99 | } | |
100 | ||
26c0d833 | 101 | // Break and stick with current result idf buffer was not completely full |
f83cc126 | 102 | if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break; |
17cba269 MHS |
103 | |
104 | char line[1000] = ""; | |
105 | ||
106 | if(len)//We have some data to display | |
107 | { | |
108 | int j,oddparity; | |
109 | ||
110 | for(j = 0; j < len ; j++) | |
111 | { | |
112 | oddparity = 0x01 ^ xorbits_8(frame[j] & 0xFF); | |
113 | ||
114 | if (tagToReader && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) { | |
115 | sprintf(line+(j*4), "%02x! ", frame[j]); | |
116 | } else { | |
117 | sprintf(line+(j*4), "%02x ", frame[j]); | |
118 | } | |
119 | } | |
120 | }else | |
121 | { | |
122 | if (ShowWaitCycles) { | |
123 | sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp)); | |
124 | } | |
125 | } | |
126 | ||
127 | char *crc = ""; | |
128 | ||
129 | if(len > 2) | |
130 | { | |
131 | uint8_t b1, b2; | |
132 | if(!tagToReader && len == 4) { | |
133 | // Rough guess that this is a command from the reader | |
134 | // For iClass the command byte is not part of the CRC | |
135 | ComputeCrc14443(CRC_ICLASS, &frame[1], len-3, &b1, &b2); | |
136 | } | |
137 | else { | |
138 | // For other data.. CRC might not be applicable (UPDATE commands etc.) | |
139 | ComputeCrc14443(CRC_ICLASS, frame, len-2, &b1, &b2); | |
140 | } | |
141 | ||
142 | if (b1 != frame[len-2] || b2 != frame[len-1]) { | |
143 | crc = (tagToReader & (len < 8)) ? "" : " !crc"; | |
144 | } | |
145 | } | |
146 | ||
147 | i += (len + 9); | |
148 | EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff; | |
149 | ||
150 | // Not implemented for iclass on the ARM-side | |
151 | //if (!ShowWaitCycles) i += 9; | |
152 | ||
153 | PrintAndLog(" %9d | %9d | %s | %s %s", | |
154 | (timestamp - first_timestamp), | |
155 | (EndOfTransmissionTimestamp - first_timestamp), | |
156 | (len?(tagToReader ? "Tag" : "Rdr"):" "), | |
157 | line, crc); | |
158 | } | |
159 | return 0; | |
160 | } | |
161 | ||
162 | int CmdHFiClassListOld(const char *Cmd) | |
cee5a30d | 163 | { |
164 | uint8_t got[1920]; | |
db09cb3a | 165 | GetFromBigBuf(got,sizeof(got),0); |
cee5a30d | 166 | |
167 | PrintAndLog("recorded activity:"); | |
168 | PrintAndLog(" ETU :rssi: who bytes"); | |
169 | PrintAndLog("---------+----+----+-----------"); | |
170 | ||
171 | int i = 0; | |
172 | int prev = -1; | |
173 | ||
174 | for (;;) { | |
175 | if(i >= 1900) { | |
176 | break; | |
177 | } | |
178 | ||
179 | bool isResponse; | |
180 | int timestamp = *((uint32_t *)(got+i)); | |
181 | if (timestamp & 0x80000000) { | |
182 | timestamp &= 0x7fffffff; | |
183 | isResponse = 1; | |
184 | } else { | |
185 | isResponse = 0; | |
186 | } | |
187 | ||
17cba269 | 188 | |
cee5a30d | 189 | int metric = 0; |
17cba269 | 190 | |
cee5a30d | 191 | int parityBits = *((uint32_t *)(got+i+4)); |
192 | // 4 bytes of additional information... | |
193 | // maximum of 32 additional parity bit information | |
194 | // | |
195 | // TODO: | |
196 | // at each quarter bit period we can send power level (16 levels) | |
197 | // or each half bit period in 256 levels. | |
198 | ||
199 | ||
200 | int len = got[i+8]; | |
201 | ||
202 | if (len > 100) { | |
203 | break; | |
204 | } | |
205 | if (i + len >= 1900) { | |
206 | break; | |
207 | } | |
208 | ||
209 | uint8_t *frame = (got+i+9); | |
210 | ||
211 | // Break and stick with current result if buffer was not completely full | |
212 | if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; } | |
213 | ||
214 | char line[1000] = ""; | |
215 | int j; | |
216 | for (j = 0; j < len; j++) { | |
217 | int oddparity = 0x01; | |
218 | int k; | |
219 | ||
220 | for (k=0;k<8;k++) { | |
221 | oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01); | |
222 | } | |
223 | ||
224 | //if((parityBits >> (len - j - 1)) & 0x01) { | |
225 | if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) { | |
226 | sprintf(line+(j*4), "%02x! ", frame[j]); | |
227 | } | |
228 | else { | |
229 | sprintf(line+(j*4), "%02x ", frame[j]); | |
230 | } | |
231 | } | |
232 | ||
233 | char *crc; | |
234 | crc = ""; | |
235 | if (len > 2) { | |
236 | uint8_t b1, b2; | |
237 | for (j = 0; j < (len - 1); j++) { | |
238 | // gives problems... search for the reason.. | |
239 | /*if(frame[j] == 0xAA) { | |
240 | switch(frame[j+1]) { | |
241 | case 0x01: | |
242 | crc = "[1] Two drops close after each other"; | |
243 | break; | |
244 | case 0x02: | |
245 | crc = "[2] Potential SOC with a drop in second half of bitperiod"; | |
246 | break; | |
247 | case 0x03: | |
248 | crc = "[3] Segment Z after segment X is not possible"; | |
249 | break; | |
250 | case 0x04: | |
251 | crc = "[4] Parity bit of a fully received byte was wrong"; | |
252 | break; | |
253 | default: | |
254 | crc = "[?] Unknown error"; | |
255 | break; | |
256 | } | |
257 | break; | |
258 | }*/ | |
259 | } | |
260 | ||
261 | if (strlen(crc)==0) { | |
262 | if(!isResponse && len == 4) { | |
263 | // Rough guess that this is a command from the reader | |
264 | // For iClass the command byte is not part of the CRC | |
265 | ComputeCrc14443(CRC_ICLASS, &frame[1], len-3, &b1, &b2); | |
266 | } | |
267 | else { | |
268 | // For other data.. CRC might not be applicable (UPDATE commands etc.) | |
269 | ComputeCrc14443(CRC_ICLASS, frame, len-2, &b1, &b2); | |
270 | } | |
271 | //printf("%1x %1x",(unsigned)b1,(unsigned)b2); | |
272 | if (b1 != frame[len-2] || b2 != frame[len-1]) { | |
273 | crc = (isResponse & (len < 8)) ? "" : " !crc"; | |
274 | } else { | |
275 | crc = ""; | |
276 | } | |
277 | } | |
278 | } else { | |
279 | crc = ""; // SHORT | |
280 | } | |
281 | ||
282 | char metricString[100]; | |
283 | if (isResponse) { | |
284 | sprintf(metricString, "%3d", metric); | |
285 | } else { | |
286 | strcpy(metricString, " "); | |
287 | } | |
288 | ||
289 | PrintAndLog(" +%7d: %s: %s %s %s", | |
290 | (prev < 0 ? 0 : (timestamp - prev)), | |
291 | metricString, | |
292 | (isResponse ? "TAG" : " "), line, crc); | |
293 | ||
294 | prev = timestamp; | |
295 | i += (len + 9); | |
296 | } | |
297 | return 0; | |
298 | } | |
299 | ||
cee5a30d | 300 | int CmdHFiClassSnoop(const char *Cmd) |
301 | { | |
302 | UsbCommand c = {CMD_SNOOP_ICLASS}; | |
303 | SendCommand(&c); | |
304 | return 0; | |
305 | } | |
306 | ||
1e262141 | 307 | int CmdHFiClassSim(const char *Cmd) |
308 | { | |
309 | uint8_t simType = 0; | |
310 | uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0}; | |
311 | ||
17cba269 MHS |
312 | if (strlen(Cmd)<1) { |
313 | PrintAndLog("Usage: hf iclass sim [0 <CSN>] | x"); | |
314 | PrintAndLog(" options"); | |
315 | PrintAndLog(" 0 <CSN> simulate the given CSN"); | |
316 | PrintAndLog(" 1 simulate default CSN"); | |
317 | PrintAndLog(" 2 iterate CSNs, gather MACs"); | |
1e262141 | 318 | PrintAndLog(" sample: hf iclass sim 0 031FEC8AF7FF12E0"); |
17cba269 | 319 | PrintAndLog(" sample: hf iclass sim 2"); |
1e262141 | 320 | return 0; |
321 | } | |
322 | ||
323 | simType = param_get8(Cmd, 0); | |
17cba269 MHS |
324 | |
325 | if(simType == 0) | |
326 | { | |
327 | if (param_gethex(Cmd, 1, CSN, 16)) { | |
328 | PrintAndLog("A CSN should consist of 16 HEX symbols"); | |
329 | return 1; | |
330 | } | |
331 | PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8)); | |
332 | ||
333 | } | |
77abe781 | 334 | if(simType > 2) |
17cba269 MHS |
335 | { |
336 | PrintAndLog("Undefined simptype %d", simType); | |
337 | return 1; | |
1e262141 | 338 | } |
17cba269 | 339 | uint8_t numberOfCSNs=0; |
1e262141 | 340 | |
9f6e9d15 MHS |
341 | if(simType == 2) |
342 | { | |
eabba3df | 343 | UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,8}}; |
9f6e9d15 | 344 | UsbCommand resp = {0}; |
17cba269 | 345 | |
77abe781 MHS |
346 | uint8_t csns[64] = { |
347 | 0x00,0x0B,0x0F,0xFF,0xF7,0xFF,0x12,0xE0 , | |
348 | 0x00,0x13,0x94,0x7e,0x76,0xff,0x12,0xe0 , | |
349 | 0x2a,0x99,0xac,0x79,0xec,0xff,0x12,0xe0 , | |
350 | 0x17,0x12,0x01,0xfd,0xf7,0xff,0x12,0xe0 , | |
351 | 0xcd,0x56,0x01,0x7c,0x6f,0xff,0x12,0xe0 , | |
352 | 0x4b,0x5e,0x0b,0x72,0xef,0xff,0x12,0xe0 , | |
353 | 0x00,0x73,0xd8,0x75,0x58,0xff,0x12,0xe0 , | |
354 | 0x0c,0x90,0x32,0xf3,0x5d,0xff,0x12,0xe0 }; | |
355 | ||
356 | memcpy(c.d.asBytes, csns, 64); | |
9f6e9d15 MHS |
357 | |
358 | SendCommand(&c); | |
359 | if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) { | |
360 | PrintAndLog("Command timed out"); | |
361 | return 0; | |
362 | } | |
1e262141 | 363 | |
77abe781 MHS |
364 | uint8_t num_mac_responses = resp.arg[1]; |
365 | PrintAndLog("Mac responses: %d MACs obtained (should be 8)", num_mac_responses); | |
9f6e9d15 | 366 | |
77abe781 | 367 | size_t datalen = 8*24; |
9f6e9d15 MHS |
368 | /* |
369 | * Now, time to dump to file. We'll use this format: | |
77abe781 | 370 | * <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>.... |
9f6e9d15 | 371 | * So, it should wind up as |
77abe781 MHS |
372 | * 8 * 24 bytes. |
373 | * | |
374 | * The returndata from the pm3 is on the following format | |
375 | * <4 byte NR><4 byte MAC> | |
376 | * CC are all zeroes, CSN is the same as was sent in | |
9f6e9d15 | 377 | **/ |
77abe781 MHS |
378 | void* dump = malloc(datalen); |
379 | memset(dump,0,datalen);//<-- Need zeroes for the CC-field | |
9f6e9d15 | 380 | uint8_t i = 0; |
77abe781 | 381 | for(i = 0 ; i < 8 ; i++) |
9f6e9d15 | 382 | { |
77abe781 MHS |
383 | memcpy(dump+i*24, csns+i*8,8); //CSN |
384 | //8 zero bytes here... | |
385 | //Then comes NR_MAC (eight bytes from the response) | |
386 | memcpy(dump+i*24+16,resp.d.asBytes+i*8,8); | |
1e262141 | 387 | |
9f6e9d15 MHS |
388 | } |
389 | /** Now, save to dumpfile **/ | |
77abe781 MHS |
390 | saveFile("iclass_mac_attack", "bin", dump,datalen); |
391 | free(dump); | |
9f6e9d15 MHS |
392 | }else |
393 | { | |
394 | UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}}; | |
395 | memcpy(c.d.asBytes, CSN, 8); | |
396 | SendCommand(&c); | |
397 | } | |
1e262141 | 398 | |
1e262141 | 399 | return 0; |
400 | } | |
401 | ||
402 | int CmdHFiClassReader(const char *Cmd) | |
403 | { | |
aa41c605 | 404 | UsbCommand c = {CMD_READER_ICLASS, {0}}; |
1e262141 | 405 | SendCommand(&c); |
aa41c605 MHS |
406 | UsbCommand resp; |
407 | while(!ukbhit()){ | |
408 | if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) { | |
409 | uint8_t isOK = resp.arg[0] & 0xff; | |
410 | uint8_t * data = resp.d.asBytes; | |
411 | ||
412 | PrintAndLog("isOk:%02x", isOK); | |
413 | ||
414 | if(isOK > 0) | |
415 | { | |
416 | PrintAndLog("CSN: %s",sprint_hex(data,8)); | |
417 | } | |
418 | if(isOK >= 1) | |
419 | { | |
420 | PrintAndLog("CC: %s",sprint_hex(data+8,8)); | |
421 | }else{ | |
422 | PrintAndLog("No CC obtained"); | |
423 | } | |
424 | } else { | |
425 | PrintAndLog("Command execute timeout"); | |
426 | } | |
427 | } | |
1e262141 | 428 | |
c3963755 | 429 | return 0; |
430 | } | |
431 | ||
432 | int CmdHFiClassReader_Replay(const char *Cmd) | |
433 | { | |
434 | uint8_t readerType = 0; | |
435 | uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00}; | |
436 | ||
437 | if (strlen(Cmd)<1) { | |
438 | PrintAndLog("Usage: hf iclass replay <MAC>"); | |
439 | PrintAndLog(" sample: hf iclass replay 00112233"); | |
440 | return 0; | |
441 | } | |
442 | ||
443 | if (param_gethex(Cmd, 0, MAC, 8)) { | |
444 | PrintAndLog("MAC must include 8 HEX symbols"); | |
445 | return 1; | |
446 | } | |
447 | ||
448 | UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}}; | |
449 | memcpy(c.d.asBytes, MAC, 4); | |
450 | SendCommand(&c); | |
1e262141 | 451 | |
452 | return 0; | |
453 | } | |
454 | ||
a66fca86 AD |
455 | int CmdHFiClassReader_Dump(const char *Cmd) |
456 | { | |
457 | uint8_t readerType = 0; | |
458 | uint8_t MAC[4]={0x00,0x00,0x00,0x00}; | |
459 | uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
460 | uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
461 | uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
fecd8202 | 462 | //uint8_t CC_temp[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
a66fca86 | 463 | uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
9b82de75 MHS |
464 | uint8_t keytable[128] = {0}; |
465 | int elite = 0; | |
466 | uint8_t *used_key; | |
467 | int i; | |
fecd8202 | 468 | if (strlen(Cmd)<1) |
469 | { | |
9b82de75 MHS |
470 | PrintAndLog("Usage: hf iclass dump <Key> [e]"); |
471 | PrintAndLog(" Key - A 16 byte master key"); | |
472 | PrintAndLog(" e - If 'e' is specified, the key is interpreted as the 16 byte"); | |
473 | PrintAndLog(" Custom Key (KCus), which can be obtained via reader-attack"); | |
474 | PrintAndLog(" See 'hf iclass sim 2'. This key should be on iclass-format"); | |
fecd8202 | 475 | PrintAndLog(" sample: hf iclass dump 0011223344556677"); |
9b82de75 MHS |
476 | |
477 | ||
a66fca86 AD |
478 | return 0; |
479 | } | |
480 | ||
fecd8202 | 481 | if (param_gethex(Cmd, 0, KEY, 16)) |
482 | { | |
a66fca86 AD |
483 | PrintAndLog("KEY must include 16 HEX symbols"); |
484 | return 1; | |
485 | } | |
9b82de75 MHS |
486 | |
487 | if (param_getchar(Cmd, 1) == 'e') | |
488 | { | |
489 | PrintAndLog("Elite switch on"); | |
490 | elite = 1; | |
491 | ||
492 | //calc h2 | |
493 | hash2(KEY, keytable); | |
9e28ee9f | 494 | printarr_human_readable("keytable", keytable, 128); |
9b82de75 MHS |
495 | |
496 | } | |
497 | ||
498 | ||
aa41c605 MHS |
499 | UsbCommand c = {CMD_READER_ICLASS, {0}}; |
500 | c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE; | |
26c0d833 | 501 | |
fecd8202 | 502 | SendCommand(&c); |
503 | ||
504 | UsbCommand resp; | |
90e278d3 MHS |
505 | uint8_t key_sel[8] = {0}; |
506 | uint8_t key_sel_p[8] = { 0 }; | |
26c0d833 | 507 | |
fecd8202 | 508 | if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) { |
26c0d833 MHS |
509 | uint8_t isOK = resp.arg[0] & 0xff; |
510 | uint8_t * data = resp.d.asBytes; | |
511 | ||
26c0d833 MHS |
512 | memcpy(CSN,data,8); |
513 | memcpy(CCNR,data+8,8); | |
3ad48540 | 514 | |
26c0d833 | 515 | PrintAndLog("isOk:%02x", isOK); |
a66fca86 | 516 | |
aa41c605 | 517 | if(isOK > 0) |
26c0d833 MHS |
518 | { |
519 | PrintAndLog("CSN: %s",sprint_hex(CSN,8)); | |
520 | } | |
9b82de75 | 521 | if(isOK > 1) |
26c0d833 | 522 | { |
9b82de75 MHS |
523 | if(elite) |
524 | { | |
9b82de75 MHS |
525 | //Get the key index (hash1) |
526 | uint8_t key_index[8] = {0}; | |
527 | ||
528 | hash1(CSN, key_index); | |
529 | printvar("hash1", key_index,8); | |
530 | for(i = 0; i < 8 ; i++) | |
531 | key_sel[i] = keytable[key_index[i]] & 0xFF; | |
532 | printvar("k_sel", key_sel,8); | |
533 | //Permute from iclass format to standard format | |
534 | permutekey_rev(key_sel,key_sel_p); | |
535 | used_key = key_sel_p; | |
536 | }else{ | |
9e28ee9f MHS |
537 | //Perhaps this should also be permuted to std format? |
538 | // Something like the code below? I have no std system | |
539 | // to test this with /Martin | |
540 | ||
541 | //uint8_t key_sel_p[8] = { 0 }; | |
542 | //permutekey_rev(KEY,key_sel_p); | |
543 | //used_key = key_sel_p; | |
544 | ||
9b82de75 MHS |
545 | used_key = KEY; |
546 | ||
547 | } | |
9b82de75 MHS |
548 | printvar("Used key",used_key,8); |
549 | diversifyKey(CSN,used_key, div_key); | |
550 | printvar("Div key", div_key, 8); | |
9e28ee9f | 551 | printvar("CC_NR:",CCNR,12); |
74a38802 | 552 | doMAC(CCNR,12,div_key, MAC); |
9b82de75 MHS |
553 | printvar("MAC", MAC, 4); |
554 | ||
26c0d833 MHS |
555 | UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}}; |
556 | memcpy(d.d.asBytes, MAC, 4); | |
557 | SendCommand(&d); | |
558 | ||
559 | }else{ | |
560 | PrintAndLog("Failed to obtain CC! Aborting"); | |
561 | } | |
562 | } else { | |
563 | PrintAndLog("Command execute timeout"); | |
564 | } | |
1e262141 | 565 | |
566 | return 0; | |
567 | } | |
568 | ||
fecd8202 | 569 | int CmdHFiClass_iso14443A_write(const char *Cmd) |
570 | { | |
571 | uint8_t readerType = 0; | |
572 | uint8_t MAC[4]={0x00,0x00,0x00,0x00}; | |
573 | uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
574 | uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
575 | uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
fecd8202 | 576 | uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
3ad48540 | 577 | |
fecd8202 | 578 | uint8_t blockNo=0; |
579 | uint8_t bldata[8]={0}; | |
580 | ||
581 | if (strlen(Cmd)<3) | |
582 | { | |
583 | PrintAndLog("Usage: hf iclass write <Key> <Block> <Data>"); | |
584 | PrintAndLog(" sample: hf iclass write 0011223344556677 10 AAAAAAAAAAAAAAAA"); | |
585 | return 0; | |
586 | } | |
587 | ||
588 | if (param_gethex(Cmd, 0, KEY, 16)) | |
589 | { | |
590 | PrintAndLog("KEY must include 16 HEX symbols"); | |
591 | return 1; | |
592 | } | |
593 | ||
594 | blockNo = param_get8(Cmd, 1); | |
595 | if (blockNo>32) | |
596 | { | |
597 | PrintAndLog("Error: Maximum number of blocks is 32 for iClass 2K Cards!"); | |
598 | return 1; | |
599 | } | |
600 | if (param_gethex(Cmd, 2, bldata, 8)) | |
601 | { | |
602 | PrintAndLog("Block data must include 8 HEX symbols"); | |
603 | return 1; | |
604 | } | |
605 | ||
aa41c605 | 606 | UsbCommand c = {CMD_ICLASS_ISO14443A_WRITE, {0}}; |
fecd8202 | 607 | SendCommand(&c); |
fecd8202 | 608 | UsbCommand resp; |
3ad48540 | 609 | |
fecd8202 | 610 | if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) { |
611 | uint8_t isOK = resp.arg[0] & 0xff; | |
612 | uint8_t * data = resp.d.asBytes; | |
613 | ||
614 | memcpy(CSN,data,8); | |
615 | memcpy(CCNR,data+8,8); | |
616 | PrintAndLog("DEBUG: %s",sprint_hex(CSN,8)); | |
617 | PrintAndLog("DEBUG: %s",sprint_hex(CCNR,8)); | |
618 | PrintAndLog("isOk:%02x", isOK); | |
619 | } else { | |
620 | PrintAndLog("Command execute timeout"); | |
621 | } | |
3ad48540 MHS |
622 | |
623 | diversifyKey(CSN,KEY, div_key); | |
624 | ||
fecd8202 | 625 | PrintAndLog("Div Key: %s",sprint_hex(div_key,8)); |
74a38802 | 626 | doMAC(CCNR, 12,div_key, MAC); |
fecd8202 | 627 | |
3ad48540 MHS |
628 | UsbCommand c2 = {CMD_ICLASS_ISO14443A_WRITE, {readerType,blockNo}}; |
629 | memcpy(c2.d.asBytes, bldata, 8); | |
630 | memcpy(c2.d.asBytes+8, MAC, 4); | |
631 | SendCommand(&c2); | |
a66fca86 | 632 | |
fecd8202 | 633 | if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { |
634 | uint8_t isOK = resp.arg[0] & 0xff; | |
635 | uint8_t * data = resp.d.asBytes; | |
636 | ||
637 | if (isOK) | |
638 | PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 4)); | |
639 | else | |
640 | PrintAndLog("isOk:%02x", isOK); | |
641 | } else { | |
642 | PrintAndLog("Command execute timeout"); | |
643 | } | |
a66fca86 AD |
644 | return 0; |
645 | } | |
646 | ||
c3963755 | 647 | |
cee5a30d | 648 | static command_t CommandTable[] = |
649 | { | |
fecd8202 | 650 | {"help", CmdHelp, 1, "This help"}, |
651 | {"list", CmdHFiClassList, 0, "List iClass history"}, | |
652 | {"snoop", CmdHFiClassSnoop, 0, "Eavesdrop iClass communication"}, | |
653 | {"sim", CmdHFiClassSim, 0, "Simulate iClass tag"}, | |
654 | {"reader",CmdHFiClassReader, 0, "Read an iClass tag"}, | |
655 | {"replay",CmdHFiClassReader_Replay, 0, "Read an iClass tag via Reply Attack"}, | |
656 | {"dump", CmdHFiClassReader_Dump, 0, "Authenticate and Dump iClass tag"}, | |
657 | {"write", CmdHFiClass_iso14443A_write, 0, "Authenticate and Write iClass block"}, | |
cee5a30d | 658 | {NULL, NULL, 0, NULL} |
659 | }; | |
660 | ||
661 | int CmdHFiClass(const char *Cmd) | |
662 | { | |
663 | CmdsParse(CommandTable, Cmd); | |
664 | return 0; | |
665 | } | |
666 | ||
667 | int CmdHelp(const char *Cmd) | |
668 | { | |
669 | CmdsHelp(CommandTable); | |
670 | return 0; | |
671 | } |