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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" | |
902cb3c0 | 19 | #include "proxmark3.h" |
cee5a30d | 20 | #include "ui.h" |
21 | #include "cmdparser.h" | |
22 | #include "cmdhficlass.h" | |
23 | #include "common.h" | |
14006804 | 24 | #include "util.h" |
17cba269 | 25 | #include "cmdmain.h" |
a66fca86 AD |
26 | #include "loclass/des.h" |
27 | #include "loclass/cipherutils.h" | |
28 | #include "loclass/cipher.h" | |
29 | #include "loclass/ikeys.h" | |
3ad48540 MHS |
30 | #include "loclass/elite_crack.h" |
31 | #include "loclass/fileutils.h" | |
1defcf60 | 32 | #include "protocols.h" |
caaf9618 | 33 | #include "usb_cmd.h" |
aa53efc3 | 34 | #include "cmdhfmfu.h" |
35 | ||
cee5a30d | 36 | static int CmdHelp(const char *Cmd); |
37 | ||
aa53efc3 | 38 | #define ICLASS_KEYS_MAX 8 |
39 | static uint8_t iClass_Key_Table[ICLASS_KEYS_MAX][8] = { | |
40 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, | |
41 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, | |
42 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, | |
43 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, | |
44 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, | |
45 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, | |
46 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, | |
47 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 } | |
48 | }; | |
49 | ||
50 | typedef struct iclass_block { | |
51 | uint8_t d[8]; | |
52 | } iclass_block_t; | |
53 | ||
4d68ec02 | 54 | int xorbits_8(uint8_t val) { |
53444513 MHS |
55 | uint8_t res = val ^ (val >> 1); //1st pass |
56 | res = res ^ (res >> 1); // 2nd pass | |
57 | res = res ^ (res >> 2); // 3rd pass | |
58 | res = res ^ (res >> 4); // 4th pass | |
59 | return res & 1; | |
17cba269 MHS |
60 | } |
61 | ||
4d68ec02 | 62 | int CmdHFiClassList(const char *Cmd) { |
4c3de57a | 63 | PrintAndLog("Deprecated command, use 'hf list iclass' instead"); |
17cba269 MHS |
64 | return 0; |
65 | } | |
66 | ||
4d68ec02 | 67 | int CmdHFiClassSnoop(const char *Cmd) { |
53444513 MHS |
68 | UsbCommand c = {CMD_SNOOP_ICLASS}; |
69 | SendCommand(&c); | |
70 | return 0; | |
cee5a30d | 71 | } |
4d68ec02 | 72 | |
73 | int usage_hf_iclass_sim(void) { | |
41524d8a MHS |
74 | PrintAndLog("Usage: hf iclass sim <option> [CSN]"); |
75 | PrintAndLog(" options"); | |
76 | PrintAndLog(" 0 <CSN> simulate the given CSN"); | |
77 | PrintAndLog(" 1 simulate default CSN"); | |
78 | PrintAndLog(" 2 Reader-attack, gather reader responses to extract elite key"); | |
79 | PrintAndLog(" 3 Full simulation using emulator memory (see 'hf iclass eload')"); | |
80 | PrintAndLog(" example: hf iclass sim 0 031FEC8AF7FF12E0"); | |
81 | PrintAndLog(" example: hf iclass sim 2"); | |
82 | PrintAndLog(" example: hf iclass eload 'tagdump.bin'"); | |
83 | PrintAndLog(" hf iclass sim 3"); | |
84 | return 0; | |
85 | } | |
86 | ||
6116c796 | 87 | #define NUM_CSNS 15 |
4d68ec02 | 88 | int CmdHFiClassSim(const char *Cmd) { |
53444513 MHS |
89 | uint8_t simType = 0; |
90 | uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0}; | |
91 | ||
92 | if (strlen(Cmd)<1) { | |
1defcf60 | 93 | return usage_hf_iclass_sim(); |
53444513 | 94 | } |
1defcf60 | 95 | simType = param_get8ex(Cmd, 0, 0, 10); |
53444513 MHS |
96 | |
97 | if(simType == 0) | |
98 | { | |
99 | if (param_gethex(Cmd, 1, CSN, 16)) { | |
100 | PrintAndLog("A CSN should consist of 16 HEX symbols"); | |
41524d8a | 101 | return usage_hf_iclass_sim(); |
53444513 | 102 | } |
53444513 | 103 | |
41524d8a | 104 | PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8)); |
53444513 | 105 | } |
41524d8a | 106 | if(simType > 3) |
53444513 MHS |
107 | { |
108 | PrintAndLog("Undefined simptype %d", simType); | |
41524d8a | 109 | return usage_hf_iclass_sim(); |
53444513 | 110 | } |
1e262141 | 111 | |
41524d8a | 112 | uint8_t numberOfCSNs=0; |
9f6e9d15 MHS |
113 | if(simType == 2) |
114 | { | |
6116c796 | 115 | UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,NUM_CSNS}}; |
9f6e9d15 | 116 | UsbCommand resp = {0}; |
17cba269 | 117 | |
53444513 MHS |
118 | uint8_t csns[8*NUM_CSNS] = { |
119 | 0x00, 0x0B, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0, | |
120 | 0x00, 0x04, 0x0E, 0x08, 0xF7, 0xFF, 0x12, 0xE0, | |
121 | 0x00, 0x09, 0x0D, 0x05, 0xF7, 0xFF, 0x12, 0xE0, | |
122 | 0x00, 0x0A, 0x0C, 0x06, 0xF7, 0xFF, 0x12, 0xE0, | |
123 | 0x00, 0x0F, 0x0B, 0x03, 0xF7, 0xFF, 0x12, 0xE0, | |
124 | 0x00, 0x08, 0x0A, 0x0C, 0xF7, 0xFF, 0x12, 0xE0, | |
125 | 0x00, 0x0D, 0x09, 0x09, 0xF7, 0xFF, 0x12, 0xE0, | |
126 | 0x00, 0x0E, 0x08, 0x0A, 0xF7, 0xFF, 0x12, 0xE0, | |
127 | 0x00, 0x03, 0x07, 0x17, 0xF7, 0xFF, 0x12, 0xE0, | |
128 | 0x00, 0x3C, 0x06, 0xE0, 0xF7, 0xFF, 0x12, 0xE0, | |
129 | 0x00, 0x01, 0x05, 0x1D, 0xF7, 0xFF, 0x12, 0xE0, | |
130 | 0x00, 0x02, 0x04, 0x1E, 0xF7, 0xFF, 0x12, 0xE0, | |
131 | 0x00, 0x07, 0x03, 0x1B, 0xF7, 0xFF, 0x12, 0xE0, | |
132 | 0x00, 0x00, 0x02, 0x24, 0xF7, 0xFF, 0x12, 0xE0, | |
133 | 0x00, 0x05, 0x01, 0x21, 0xF7, 0xFF, 0x12, 0xE0 }; | |
6116c796 MHS |
134 | |
135 | memcpy(c.d.asBytes, csns, 8*NUM_CSNS); | |
9f6e9d15 MHS |
136 | |
137 | SendCommand(&c); | |
138 | if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) { | |
139 | PrintAndLog("Command timed out"); | |
140 | return 0; | |
141 | } | |
1e262141 | 142 | |
77abe781 | 143 | uint8_t num_mac_responses = resp.arg[1]; |
6116c796 | 144 | PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses,NUM_CSNS); |
9f6e9d15 | 145 | |
6116c796 | 146 | size_t datalen = NUM_CSNS*24; |
9f6e9d15 MHS |
147 | /* |
148 | * Now, time to dump to file. We'll use this format: | |
77abe781 | 149 | * <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>.... |
9f6e9d15 | 150 | * So, it should wind up as |
77abe781 MHS |
151 | * 8 * 24 bytes. |
152 | * | |
153 | * The returndata from the pm3 is on the following format | |
154 | * <4 byte NR><4 byte MAC> | |
155 | * CC are all zeroes, CSN is the same as was sent in | |
9f6e9d15 | 156 | **/ |
77abe781 MHS |
157 | void* dump = malloc(datalen); |
158 | memset(dump,0,datalen);//<-- Need zeroes for the CC-field | |
9f6e9d15 | 159 | uint8_t i = 0; |
6116c796 | 160 | for(i = 0 ; i < NUM_CSNS ; i++) |
9f6e9d15 | 161 | { |
77abe781 MHS |
162 | memcpy(dump+i*24, csns+i*8,8); //CSN |
163 | //8 zero bytes here... | |
164 | //Then comes NR_MAC (eight bytes from the response) | |
165 | memcpy(dump+i*24+16,resp.d.asBytes+i*8,8); | |
1e262141 | 166 | |
9f6e9d15 MHS |
167 | } |
168 | /** Now, save to dumpfile **/ | |
77abe781 MHS |
169 | saveFile("iclass_mac_attack", "bin", dump,datalen); |
170 | free(dump); | |
9f6e9d15 MHS |
171 | }else |
172 | { | |
173 | UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}}; | |
174 | memcpy(c.d.asBytes, CSN, 8); | |
175 | SendCommand(&c); | |
176 | } | |
1e262141 | 177 | |
53444513 | 178 | return 0; |
1e262141 | 179 | } |
180 | ||
4d68ec02 | 181 | int HFiClassReader(const char *Cmd, bool loop, bool verbose) { |
6ce0e538 | 182 | bool tagFound = false; |
34e2af02 | 183 | UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN | |
184 | FLAG_ICLASS_READER_CC | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_AA | | |
185 | FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY } }; | |
aa53efc3 | 186 | // loop in client not device - else on windows have a communication error |
53444513 MHS |
187 | UsbCommand resp; |
188 | while(!ukbhit()){ | |
aa53efc3 | 189 | SendCommand(&c); |
6ce0e538 | 190 | if (WaitForResponseTimeout(CMD_ACK,&resp, 4500)) { |
191 | uint8_t readStatus = resp.arg[0] & 0xff; | |
192 | uint8_t *data = resp.d.asBytes; | |
53444513 | 193 | |
979c7655 | 194 | // no tag found or button pressed |
195 | if( (readStatus == 0 && !loop) || readStatus == 0xFF) { | |
196 | // abort | |
197 | if (verbose) PrintAndLog("Quitting..."); | |
198 | return 0; | |
199 | } | |
34e2af02 | 200 | |
201 | if( readStatus & FLAG_ICLASS_READER_CSN) { | |
67e344df | 202 | PrintAndLog(" CSN: %s",sprint_hex(data,8)); |
6ce0e538 | 203 | tagFound = true; |
204 | } | |
34e2af02 | 205 | if( readStatus & FLAG_ICLASS_READER_CC) { |
206 | PrintAndLog(" CC: %s",sprint_hex(data+16,8)); | |
207 | } | |
208 | if( readStatus & FLAG_ICLASS_READER_CONF) { | |
caaf9618 | 209 | printIclassDumpInfo(data); |
53444513 | 210 | } |
67e344df | 211 | if (readStatus & FLAG_ICLASS_READER_AA) { |
212 | bool legacy = true; | |
34e2af02 | 213 | PrintAndLog(" AppIA: %s",sprint_hex(data+8*5,8)); |
67e344df | 214 | for (int i = 0; i<8; i++) { |
34e2af02 | 215 | if (data[8*5+i] != 0xFF) { |
67e344df | 216 | legacy = false; |
217 | } | |
218 | } | |
219 | PrintAndLog(" : Possible iClass %s",(legacy) ? "(legacy tag)" : "(NOT legacy tag)"); | |
220 | } | |
221 | ||
6ce0e538 | 222 | if (tagFound && !loop) return 1; |
53444513 | 223 | } else { |
6ce0e538 | 224 | if (verbose) PrintAndLog("Command execute timeout"); |
53444513 | 225 | } |
6ce0e538 | 226 | if (!loop) break; |
53444513 | 227 | } |
53444513 | 228 | return 0; |
6ce0e538 | 229 | } |
230 | ||
4d68ec02 | 231 | int CmdHFiClassReader(const char *Cmd) { |
6ce0e538 | 232 | return HFiClassReader(Cmd, true, true); |
c3963755 | 233 | } |
234 | ||
4d68ec02 | 235 | int CmdHFiClassReader_Replay(const char *Cmd) { |
53444513 MHS |
236 | uint8_t readerType = 0; |
237 | uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00}; | |
c3963755 | 238 | |
53444513 MHS |
239 | if (strlen(Cmd)<1) { |
240 | PrintAndLog("Usage: hf iclass replay <MAC>"); | |
241 | PrintAndLog(" sample: hf iclass replay 00112233"); | |
242 | return 0; | |
243 | } | |
c3963755 | 244 | |
53444513 MHS |
245 | if (param_gethex(Cmd, 0, MAC, 8)) { |
246 | PrintAndLog("MAC must include 8 HEX symbols"); | |
247 | return 1; | |
248 | } | |
c3963755 | 249 | |
53444513 MHS |
250 | UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}}; |
251 | memcpy(c.d.asBytes, MAC, 4); | |
252 | SendCommand(&c); | |
1e262141 | 253 | |
53444513 | 254 | return 0; |
1e262141 | 255 | } |
256 | ||
4d68ec02 | 257 | int iclassEmlSetMem(uint8_t *data, int blockNum, int blocksCount) { |
258 | UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}}; | |
259 | memcpy(c.d.asBytes, data, blocksCount * 16); | |
260 | SendCommand(&c); | |
261 | return 0; | |
262 | } | |
263 | ||
264 | int hf_iclass_eload_usage(void) { | |
7781a656 MHS |
265 | PrintAndLog("Loads iclass tag-dump into emulator memory on device"); |
266 | PrintAndLog("Usage: hf iclass eload f <filename>"); | |
267 | PrintAndLog(""); | |
268 | PrintAndLog("Example: hf iclass eload f iclass_tagdump-aa162d30f8ff12f1.bin"); | |
269 | return 0; | |
7781a656 MHS |
270 | } |
271 | ||
4d68ec02 | 272 | int CmdHFiClassELoad(const char *Cmd) { |
7781a656 MHS |
273 | |
274 | char opt = param_getchar(Cmd, 0); | |
275 | if (strlen(Cmd)<1 || opt == 'h') | |
276 | return hf_iclass_eload_usage(); | |
277 | ||
278 | //File handling and reading | |
279 | FILE *f; | |
280 | char filename[FILE_PATH_SIZE]; | |
281 | if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) | |
282 | { | |
283 | f = fopen(filename, "rb"); | |
284 | }else{ | |
285 | return hf_iclass_eload_usage(); | |
286 | } | |
287 | ||
288 | if(!f) { | |
289 | PrintAndLog("Failed to read from file '%s'", filename); | |
290 | return 1; | |
291 | } | |
292 | ||
293 | fseek(f, 0, SEEK_END); | |
294 | long fsize = ftell(f); | |
295 | fseek(f, 0, SEEK_SET); | |
296 | ||
7a616c0d | 297 | if (fsize < 0) { |
298 | PrintAndLog("Error, when getting filesize"); | |
eb5b63b4 | 299 | fclose(f); |
7a616c0d | 300 | return 1; |
301 | } | |
1defcf60 | 302 | |
7a616c0d | 303 | uint8_t *dump = malloc(fsize); |
1defcf60 | 304 | |
7781a656 MHS |
305 | size_t bytes_read = fread(dump, 1, fsize, f); |
306 | fclose(f); | |
307 | ||
1defcf60 | 308 | printIclassDumpInfo(dump); |
7781a656 MHS |
309 | //Validate |
310 | ||
311 | if (bytes_read < fsize) | |
312 | { | |
313 | prnlog("Error, could only read %d bytes (should be %d)",bytes_read, fsize ); | |
314 | free(dump); | |
315 | return 1; | |
316 | } | |
317 | //Send to device | |
318 | uint32_t bytes_sent = 0; | |
319 | uint32_t bytes_remaining = bytes_read; | |
320 | ||
321 | while(bytes_remaining > 0){ | |
322 | uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining); | |
323 | UsbCommand c = {CMD_ICLASS_EML_MEMSET, {bytes_sent,bytes_in_packet,0}}; | |
324 | memcpy(c.d.asBytes, dump, bytes_in_packet); | |
325 | SendCommand(&c); | |
326 | bytes_remaining -= bytes_in_packet; | |
327 | bytes_sent += bytes_in_packet; | |
328 | } | |
329 | free(dump); | |
330 | PrintAndLog("Sent %d bytes of data to device emulator memory", bytes_sent); | |
331 | return 0; | |
332 | } | |
333 | ||
4d68ec02 | 334 | static int readKeyfile(const char *filename, size_t len, uint8_t* buffer) { |
41524d8a MHS |
335 | FILE *f = fopen(filename, "rb"); |
336 | if(!f) { | |
337 | PrintAndLog("Failed to read from file '%s'", filename); | |
338 | return 1; | |
339 | } | |
340 | fseek(f, 0, SEEK_END); | |
341 | long fsize = ftell(f); | |
342 | fseek(f, 0, SEEK_SET); | |
343 | size_t bytes_read = fread(buffer, 1, len, f); | |
344 | fclose(f); | |
345 | if(fsize != len) | |
346 | { | |
347 | PrintAndLog("Warning, file size is %d, expected %d", fsize, len); | |
348 | return 1; | |
349 | } | |
350 | if(bytes_read != len) | |
351 | { | |
352 | PrintAndLog("Warning, could only read %d bytes, expected %d" ,bytes_read, len); | |
353 | return 1; | |
354 | } | |
355 | return 0; | |
356 | } | |
357 | ||
4d68ec02 | 358 | int usage_hf_iclass_decrypt(void) { |
359 | PrintAndLog("Usage: hf iclass decrypt f <tagdump>"); | |
aa53efc3 | 360 | PrintAndLog(""); |
361 | PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside"); | |
362 | PrintAndLog("in the working directory. The file should be 16 bytes binary data"); | |
363 | PrintAndLog(""); | |
364 | PrintAndLog("example: hf iclass decrypt f tagdump_12312342343.bin"); | |
365 | PrintAndLog(""); | |
366 | PrintAndLog("OBS! This is pretty stupid implementation, it tries to decrypt every block after block 6. "); | |
367 | PrintAndLog("Correct behaviour would be to decrypt only the application areas where the key is valid,"); | |
368 | PrintAndLog("which is defined by the configuration block."); | |
369 | return 1; | |
370 | } | |
371 | ||
4d68ec02 | 372 | int CmdHFiClassDecrypt(const char *Cmd) { |
41524d8a MHS |
373 | uint8_t key[16] = { 0 }; |
374 | if(readKeyfile("iclass_decryptionkey.bin", 16, key)) | |
375 | { | |
376 | usage_hf_iclass_decrypt(); | |
377 | return 1; | |
378 | } | |
379 | PrintAndLog("Decryption file found... "); | |
380 | char opt = param_getchar(Cmd, 0); | |
381 | if (strlen(Cmd)<1 || opt == 'h') | |
382 | return usage_hf_iclass_decrypt(); | |
383 | ||
384 | //Open the tagdump-file | |
385 | FILE *f; | |
386 | char filename[FILE_PATH_SIZE]; | |
165e0775 | 387 | if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) { |
41524d8a | 388 | f = fopen(filename, "rb"); |
165e0775 | 389 | if ( f == NULL ) { |
390 | PrintAndLog("Could not find file %s", filename); | |
391 | return 1; | |
392 | } | |
393 | } else { | |
41524d8a MHS |
394 | return usage_hf_iclass_decrypt(); |
395 | } | |
396 | ||
397 | fseek(f, 0, SEEK_END); | |
398 | long fsize = ftell(f); | |
399 | fseek(f, 0, SEEK_SET); | |
400 | uint8_t enc_dump[8] = {0}; | |
401 | uint8_t *decrypted = malloc(fsize); | |
402 | des3_context ctx = { DES_DECRYPT ,{ 0 } }; | |
403 | des3_set2key_dec( &ctx, key); | |
404 | size_t bytes_read = fread(enc_dump, 1, 8, f); | |
405 | ||
406 | //Use the first block (CSN) for filename | |
407 | char outfilename[FILE_PATH_SIZE] = { 0 }; | |
408 | snprintf(outfilename,FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x-decrypted", | |
409 | enc_dump[0],enc_dump[1],enc_dump[2],enc_dump[3], | |
410 | enc_dump[4],enc_dump[5],enc_dump[6],enc_dump[7]); | |
411 | ||
412 | size_t blocknum =0; | |
413 | while(bytes_read == 8) | |
414 | { | |
9a9bcea8 | 415 | if(blocknum < 7) |
41524d8a MHS |
416 | { |
417 | memcpy(decrypted+(blocknum*8), enc_dump, 8); | |
418 | }else{ | |
419 | des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) ); | |
420 | } | |
421 | printvar("decrypted block", decrypted +(blocknum*8), 8); | |
422 | bytes_read = fread(enc_dump, 1, 8, f); | |
423 | blocknum++; | |
424 | } | |
425 | fclose(f); | |
426 | ||
427 | saveFile(outfilename,"bin", decrypted, blocknum*8); | |
c4c3af7c | 428 | free(decrypted); |
41524d8a MHS |
429 | return 0; |
430 | } | |
7781a656 | 431 | |
4d68ec02 | 432 | int usage_hf_iclass_encrypt(void) { |
aa53efc3 | 433 | PrintAndLog("Usage: hf iclass encrypt <BlockData>"); |
434 | PrintAndLog(""); | |
435 | PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside"); | |
436 | PrintAndLog("in the working directory. The file should be 16 bytes binary data"); | |
437 | PrintAndLog(""); | |
438 | PrintAndLog("example: hf iclass encrypt 0102030405060708"); | |
439 | PrintAndLog(""); | |
440 | return 0; | |
441 | } | |
442 | ||
4d68ec02 | 443 | static int iClassEncryptBlkData(uint8_t *blkData) { |
aa53efc3 | 444 | uint8_t key[16] = { 0 }; |
445 | if(readKeyfile("iclass_decryptionkey.bin", 16, key)) | |
446 | { | |
447 | usage_hf_iclass_encrypt(); | |
448 | return 1; | |
449 | } | |
450 | PrintAndLog("Decryption file found... "); | |
53444513 | 451 | |
4d68ec02 | 452 | uint8_t encryptedData[16]; |
453 | uint8_t *encrypted = encryptedData; | |
aa53efc3 | 454 | des3_context ctx = { DES_DECRYPT ,{ 0 } }; |
455 | des3_set2key_enc( &ctx, key); | |
456 | ||
4d68ec02 | 457 | des3_crypt_ecb(&ctx, blkData,encrypted); |
aa53efc3 | 458 | //printvar("decrypted block", decrypted, 8); |
4d68ec02 | 459 | memcpy(blkData,encrypted,8); |
aa53efc3 | 460 | |
461 | return 1; | |
462 | } | |
463 | ||
4d68ec02 | 464 | int CmdHFiClassEncryptBlk(const char *Cmd) { |
aa53efc3 | 465 | uint8_t blkData[8] = {0}; |
466 | char opt = param_getchar(Cmd, 0); | |
467 | if (strlen(Cmd)<1 || opt == 'h') | |
468 | return usage_hf_iclass_encrypt(); | |
53444513 | 469 | |
aa53efc3 | 470 | //get the bytes to encrypt |
471 | if (param_gethex(Cmd, 0, blkData, 16)) | |
53444513 | 472 | { |
aa53efc3 | 473 | PrintAndLog("BlockData must include 16 HEX symbols"); |
53444513 MHS |
474 | return 0; |
475 | } | |
aa53efc3 | 476 | if (!iClassEncryptBlkData(blkData)) return 0; |
53444513 | 477 | |
aa53efc3 | 478 | printvar("encrypted block", blkData, 8); |
479 | return 1; | |
480 | } | |
53444513 | 481 | |
4d68ec02 | 482 | void Calc_wb_mac(uint8_t blockno, uint8_t *data, uint8_t *div_key, uint8_t MAC[4]) { |
aa53efc3 | 483 | uint8_t WB[9]; |
484 | WB[0] = blockno; | |
485 | memcpy(WB + 1,data,8); | |
486 | doMAC_N(WB,sizeof(WB),div_key,MAC); | |
487 | //printf("Cal wb mac block [%02x][%02x%02x%02x%02x%02x%02x%02x%02x] : MAC [%02x%02x%02x%02x]",WB[0],WB[1],WB[2],WB[3],WB[4],WB[5],WB[6],WB[7],WB[8],MAC[0],MAC[1],MAC[2],MAC[3]); | |
488 | } | |
53444513 | 489 | |
4d68ec02 | 490 | static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool verbose) { |
53444513 MHS |
491 | UsbCommand resp; |
492 | ||
aa53efc3 | 493 | UsbCommand c = {CMD_READER_ICLASS, {0}}; |
3ac22ee1 | 494 | c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_CC | FLAG_ICLASS_READER_ONE_TRY; |
aa53efc3 | 495 | if (use_credit_key) |
496 | c.arg[0] |= FLAG_ICLASS_READER_CEDITKEY; | |
53444513 | 497 | |
aa53efc3 | 498 | clearCommandBuffer(); |
499 | SendCommand(&c); | |
500 | if (!WaitForResponseTimeout(CMD_ACK,&resp,4500)) | |
501 | { | |
53444513 | 502 | PrintAndLog("Command execute timeout"); |
aa53efc3 | 503 | return false; |
53444513 MHS |
504 | } |
505 | ||
aa53efc3 | 506 | uint8_t isOK = resp.arg[0] & 0xff; |
507 | uint8_t *data = resp.d.asBytes; | |
53444513 | 508 | |
aa53efc3 | 509 | memcpy(CSN,data,8); |
510 | if (CCNR!=NULL)memcpy(CCNR,data+16,8); | |
aa53efc3 | 511 | if(isOK > 0) |
512 | { | |
513 | if (verbose) PrintAndLog("CSN: %s",sprint_hex(CSN,8)); | |
53444513 | 514 | } |
aa53efc3 | 515 | if(isOK <= 1){ |
516 | PrintAndLog("Failed to obtain CC! Aborting"); | |
517 | return false; | |
518 | } | |
519 | return true; | |
a66fca86 | 520 | } |
6f101995 | 521 | |
bc37cfb3 | 522 | static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool rawkey, bool verbose) { |
aa53efc3 | 523 | uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
524 | uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
aa53efc3 | 525 | |
526 | if (!select_only(CSN, CCNR, use_credit_key, verbose)) | |
527 | return false; | |
528 | ||
4d68ec02 | 529 | //get div_key |
bc37cfb3 AL |
530 | if(rawkey) |
531 | memcpy(div_key, KEY, 8); | |
532 | else | |
533 | HFiClassCalcDivKey(CSN, KEY, div_key, elite); | |
534 | PrintAndLog("Authing with %s: %02x%02x%02x%02x%02x%02x%02x%02x", rawkey ? "raw key" : "diversified key", div_key[0],div_key[1],div_key[2],div_key[3],div_key[4],div_key[5],div_key[6],div_key[7]); | |
4d68ec02 | 535 | |
aa53efc3 | 536 | doMAC(CCNR, div_key, MAC); |
aa53efc3 | 537 | UsbCommand resp; |
538 | UsbCommand d = {CMD_ICLASS_AUTHENTICATION, {0}}; | |
539 | memcpy(d.d.asBytes, MAC, 4); | |
540 | clearCommandBuffer(); | |
541 | SendCommand(&d); | |
542 | if (!WaitForResponseTimeout(CMD_ACK,&resp,4500)) | |
543 | { | |
544 | PrintAndLog("Auth Command execute timeout"); | |
545 | return false; | |
546 | } | |
547 | uint8_t isOK = resp.arg[0] & 0xff; | |
548 | if (!isOK) { | |
549 | PrintAndLog("Authentication error"); | |
550 | return false; | |
551 | } | |
552 | return true; | |
553 | } | |
554 | ||
4d68ec02 | 555 | int usage_hf_iclass_dump(void) { |
bc37cfb3 | 556 | PrintAndLog("Usage: hf iclass dump f <fileName> k <Key> c <CreditKey> e|r\n"); |
aa53efc3 | 557 | PrintAndLog("Options:"); |
558 | PrintAndLog(" f <filename> : specify a filename to save dump to"); | |
559 | PrintAndLog(" k <Key> : *Access Key as 16 hex symbols or 1 hex to select key from memory"); | |
560 | PrintAndLog(" c <CreditKey>: Credit Key as 16 hex symbols or 1 hex to select key from memory"); | |
561 | PrintAndLog(" e : If 'e' is specified, the key is interpreted as the 16 byte"); | |
562 | PrintAndLog(" Custom Key (KCus), which can be obtained via reader-attack"); | |
563 | PrintAndLog(" See 'hf iclass sim 2'. This key should be on iclass-format"); | |
bc37cfb3 | 564 | PrintAndLog(" r : If 'r' is specified, the key is interpreted as raw block 3/4"); |
aa53efc3 | 565 | PrintAndLog(" NOTE: * = required"); |
566 | PrintAndLog("Samples:"); | |
567 | PrintAndLog(" hf iclass dump k 001122334455667B"); | |
568 | PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA c 001122334455667B"); | |
569 | PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA e"); | |
570 | return 0; | |
571 | } | |
572 | ||
4d68ec02 | 573 | int CmdHFiClassReader_Dump(const char *Cmd) { |
aa53efc3 | 574 | |
575 | uint8_t MAC[4] = {0x00,0x00,0x00,0x00}; | |
576 | uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
577 | uint8_t c_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
578 | uint8_t blockno = 0; | |
579 | uint8_t numblks = 0; | |
4d68ec02 | 580 | uint8_t maxBlk = 31; |
bbd19bec | 581 | uint8_t app_areas = 1; |
b82d8098 | 582 | uint8_t kb = 2; |
aa53efc3 | 583 | uint8_t KEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
584 | uint8_t CreditKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
585 | uint8_t keyNbr = 0; | |
586 | uint8_t dataLen = 0; | |
587 | uint8_t fileNameLen = 0; | |
588 | char filename[FILE_PATH_SIZE]={0}; | |
589 | char tempStr[50] = {0}; | |
4d68ec02 | 590 | bool have_debit_key = false; |
aa53efc3 | 591 | bool have_credit_key = false; |
4d68ec02 | 592 | bool use_credit_key = false; |
aa53efc3 | 593 | bool elite = false; |
bc37cfb3 | 594 | bool rawkey = false; |
aa53efc3 | 595 | bool errors = false; |
596 | uint8_t cmdp = 0; | |
597 | ||
598 | while(param_getchar(Cmd, cmdp) != 0x00) | |
599 | { | |
600 | switch(param_getchar(Cmd, cmdp)) | |
601 | { | |
602 | case 'h': | |
603 | case 'H': | |
604 | return usage_hf_iclass_dump(); | |
605 | case 'c': | |
606 | case 'C': | |
607 | have_credit_key = true; | |
608 | dataLen = param_getstr(Cmd, cmdp+1, tempStr); | |
609 | if (dataLen == 16) { | |
610 | errors = param_gethex(tempStr, 0, CreditKEY, dataLen); | |
611 | } else if (dataLen == 1) { | |
612 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 613 | if (keyNbr < ICLASS_KEYS_MAX) { |
aa53efc3 | 614 | memcpy(CreditKEY, iClass_Key_Table[keyNbr], 8); |
615 | } else { | |
616 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
617 | errors = true; | |
618 | } | |
619 | } else { | |
620 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); | |
621 | errors = true; | |
622 | } | |
623 | cmdp += 2; | |
624 | break; | |
625 | case 'e': | |
626 | case 'E': | |
627 | elite = true; | |
628 | cmdp++; | |
629 | break; | |
630 | case 'f': | |
631 | case 'F': | |
632 | fileNameLen = param_getstr(Cmd, cmdp+1, filename); | |
633 | if (fileNameLen < 1) { | |
634 | PrintAndLog("No filename found after f"); | |
635 | errors = true; | |
636 | } | |
637 | cmdp += 2; | |
638 | break; | |
639 | case 'k': | |
640 | case 'K': | |
4d68ec02 | 641 | have_debit_key = true; |
aa53efc3 | 642 | dataLen = param_getstr(Cmd, cmdp+1, tempStr); |
643 | if (dataLen == 16) { | |
644 | errors = param_gethex(tempStr, 0, KEY, dataLen); | |
645 | } else if (dataLen == 1) { | |
646 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 647 | if (keyNbr < ICLASS_KEYS_MAX) { |
aa53efc3 | 648 | memcpy(KEY, iClass_Key_Table[keyNbr], 8); |
649 | } else { | |
650 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
651 | errors = true; | |
652 | } | |
653 | } else { | |
654 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); | |
655 | errors = true; | |
656 | } | |
657 | cmdp += 2; | |
658 | break; | |
bc37cfb3 AL |
659 | case 'r': |
660 | case 'R': | |
661 | rawkey = true; | |
662 | cmdp++; | |
663 | break; | |
aa53efc3 | 664 | default: |
665 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
666 | errors = true; | |
667 | break; | |
668 | } | |
669 | if(errors) return usage_hf_iclass_dump(); | |
670 | } | |
671 | ||
672 | if (cmdp < 2) return usage_hf_iclass_dump(); | |
4d68ec02 | 673 | // if no debit key given try credit key on AA1 (not for iclass but for some picopass this will work) |
674 | if (!have_debit_key && have_credit_key) use_credit_key = true; | |
aa53efc3 | 675 | |
676 | //get config and first 3 blocks | |
677 | UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN | | |
678 | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY}}; | |
679 | UsbCommand resp; | |
680 | uint8_t tag_data[255*8]; | |
4d68ec02 | 681 | |
aa53efc3 | 682 | clearCommandBuffer(); |
683 | SendCommand(&c); | |
4d68ec02 | 684 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { |
aa53efc3 | 685 | PrintAndLog("Command execute timeout"); |
3ac22ee1 | 686 | ul_switch_off_field(); |
aa53efc3 | 687 | return 0; |
688 | } | |
4d68ec02 | 689 | uint8_t readStatus = resp.arg[0] & 0xff; |
690 | uint8_t *data = resp.d.asBytes; | |
691 | ||
692 | if(readStatus == 0){ | |
693 | PrintAndLog("No tag found..."); | |
3ac22ee1 | 694 | ul_switch_off_field(); |
4d68ec02 | 695 | return 0; |
696 | } | |
697 | if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){ | |
698 | memcpy(tag_data, data, 8*3); | |
699 | blockno+=2; // 2 to force re-read of block 2 later. (seems to respond differently..) | |
700 | numblks = data[8]; | |
bbd19bec | 701 | getMemConfig(data[13], data[12], &maxBlk, &app_areas, &kb); |
b82d8098 | 702 | // large memory - not able to dump pages currently |
4d68ec02 | 703 | if (numblks > maxBlk) numblks = maxBlk; |
704 | } | |
3ac22ee1 | 705 | ul_switch_off_field(); |
4d68ec02 | 706 | // authenticate debit key and get div_key - later store in dump block 3 |
bc37cfb3 | 707 | if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){ |
aa53efc3 | 708 | //try twice - for some reason it sometimes fails the first time... |
bc37cfb3 | 709 | if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){ |
aa53efc3 | 710 | ul_switch_off_field(); |
711 | return 0; | |
712 | } | |
713 | } | |
aa53efc3 | 714 | |
4d68ec02 | 715 | // begin dump |
3ac22ee1 | 716 | UsbCommand w = {CMD_ICLASS_DUMP, {blockno, numblks-blockno+1}}; |
aa53efc3 | 717 | clearCommandBuffer(); |
718 | SendCommand(&w); | |
719 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { | |
720 | PrintAndLog("Command execute time-out 1"); | |
3ac22ee1 | 721 | ul_switch_off_field(); |
aa53efc3 | 722 | return 1; |
723 | } | |
724 | uint32_t blocksRead = resp.arg[1]; | |
725 | uint8_t isOK = resp.arg[0] & 0xff; | |
726 | if (!isOK && !blocksRead) { | |
727 | PrintAndLog("Read Block Failed"); | |
3ac22ee1 | 728 | ul_switch_off_field(); |
aa53efc3 | 729 | return 0; |
730 | } | |
731 | uint32_t startindex = resp.arg[2]; | |
732 | if (blocksRead*8 > sizeof(tag_data)-(blockno*8)) { | |
733 | PrintAndLog("Data exceeded Buffer size!"); | |
734 | blocksRead = (sizeof(tag_data)/8) - blockno; | |
735 | } | |
4d68ec02 | 736 | // response ok - now get bigbuf content of the dump |
aa53efc3 | 737 | GetFromBigBuf(tag_data+(blockno*8), blocksRead*8, startindex); |
738 | WaitForResponse(CMD_ACK,NULL); | |
4d68ec02 | 739 | size_t gotBytes = blocksRead*8 + blockno*8; |
aa53efc3 | 740 | |
4d68ec02 | 741 | // try AA2 |
742 | if (have_credit_key) { | |
743 | //turn off hf field before authenticating with different key | |
aa53efc3 | 744 | ul_switch_off_field(); |
aa53efc3 | 745 | memset(MAC,0,4); |
4d68ec02 | 746 | // AA2 authenticate credit key and git c_div_key - later store in dump block 4 |
bc37cfb3 | 747 | if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){ |
aa53efc3 | 748 | //try twice - for some reason it sometimes fails the first time... |
bc37cfb3 | 749 | if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){ |
aa53efc3 | 750 | ul_switch_off_field(); |
751 | return 0; | |
752 | } | |
753 | } | |
4d68ec02 | 754 | // do we still need to read more block? (aa2 enabled?) |
755 | if (maxBlk > blockno+numblks+1) { | |
756 | // setup dump and start | |
757 | w.arg[0] = blockno + blocksRead; | |
758 | w.arg[1] = maxBlk - (blockno + blocksRead); | |
4d68ec02 | 759 | clearCommandBuffer(); |
760 | SendCommand(&w); | |
761 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { | |
762 | PrintAndLog("Command execute timeout 2"); | |
3ac22ee1 | 763 | ul_switch_off_field(); |
4d68ec02 | 764 | return 0; |
765 | } | |
766 | uint8_t isOK = resp.arg[0] & 0xff; | |
767 | blocksRead = resp.arg[1]; | |
768 | if (!isOK && !blocksRead) { | |
769 | PrintAndLog("Read Block Failed 2"); | |
3ac22ee1 | 770 | ul_switch_off_field(); |
4d68ec02 | 771 | return 0; |
772 | } | |
aa53efc3 | 773 | |
4d68ec02 | 774 | startindex = resp.arg[2]; |
775 | if (blocksRead*8 > sizeof(tag_data)-gotBytes) { | |
776 | PrintAndLog("Data exceeded Buffer size!"); | |
777 | blocksRead = (sizeof(tag_data) - gotBytes)/8; | |
778 | } | |
779 | // get dumped data from bigbuf | |
780 | GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex); | |
781 | WaitForResponse(CMD_ACK,NULL); | |
aa53efc3 | 782 | |
4d68ec02 | 783 | gotBytes += blocksRead*8; |
784 | } else { //field is still on - turn it off... | |
785 | ul_switch_off_field(); | |
786 | } | |
aa53efc3 | 787 | } |
788 | ||
4d68ec02 | 789 | // add diversified keys to dump |
790 | if (have_debit_key) memcpy(tag_data+(3*8),div_key,8); | |
791 | if (have_credit_key) memcpy(tag_data+(4*8),c_div_key,8); | |
792 | // print the dump | |
89696b8b | 793 | printf("------+--+-------------------------+\n"); |
794 | printf("CSN |00| %s|\n",sprint_hex(tag_data, 8)); | |
795 | printIclassDumpContents(tag_data, 1, (gotBytes/8), gotBytes); | |
796 | ||
aa53efc3 | 797 | if (filename[0] == 0){ |
798 | snprintf(filename, FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x", | |
799 | tag_data[0],tag_data[1],tag_data[2],tag_data[3], | |
800 | tag_data[4],tag_data[5],tag_data[6],tag_data[7]); | |
801 | } | |
4d68ec02 | 802 | |
803 | // save the dump to .bin file | |
aa53efc3 | 804 | PrintAndLog("Saving dump file - %d blocks read", gotBytes/8); |
4d68ec02 | 805 | saveFile(filename, "bin", tag_data, gotBytes); |
aa53efc3 | 806 | return 1; |
807 | } | |
808 | ||
bc37cfb3 | 809 | static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool rawkey, bool verbose) { |
aa53efc3 | 810 | uint8_t MAC[4]={0x00,0x00,0x00,0x00}; |
811 | uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
bc37cfb3 | 812 | if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, verbose)) |
aa53efc3 | 813 | return 0; |
814 | ||
815 | UsbCommand resp; | |
816 | ||
817 | Calc_wb_mac(blockno,bldata,div_key,MAC); | |
3ac22ee1 | 818 | UsbCommand w = {CMD_ICLASS_WRITEBLOCK, {blockno}}; |
aa53efc3 | 819 | memcpy(w.d.asBytes, bldata, 8); |
3ac22ee1 | 820 | memcpy(w.d.asBytes + 8, MAC, 4); |
aa53efc3 | 821 | |
822 | clearCommandBuffer(); | |
823 | SendCommand(&w); | |
824 | if (!WaitForResponseTimeout(CMD_ACK,&resp,4500)) | |
825 | { | |
826 | PrintAndLog("Write Command execute timeout"); | |
827 | return 0; | |
828 | } | |
829 | uint8_t isOK = resp.arg[0] & 0xff; | |
830 | if (!isOK) { | |
831 | PrintAndLog("Write Block Failed"); | |
832 | return 0; | |
833 | } | |
834 | PrintAndLog("Write Block Successful"); | |
aa53efc3 | 835 | return 1; |
836 | } | |
837 | ||
4d68ec02 | 838 | int usage_hf_iclass_writeblock(void) { |
aa53efc3 | 839 | PrintAndLog("Options:"); |
840 | PrintAndLog(" b <Block> : The block number as 2 hex symbols"); | |
841 | PrintAndLog(" d <data> : Set the Data to write as 16 hex symbols"); | |
842 | PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory"); | |
843 | PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n"); | |
844 | PrintAndLog(" e : If 'e' is specified, elite computations applied to key"); | |
bc37cfb3 | 845 | PrintAndLog(" r : If 'r' is specified, no computations applied to key"); |
aa53efc3 | 846 | PrintAndLog("Samples:"); |
847 | PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B"); | |
848 | PrintAndLog(" hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c"); | |
849 | PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA n 0"); | |
850 | return 0; | |
851 | } | |
852 | ||
853 | int CmdHFiClass_WriteBlock(const char *Cmd) { | |
854 | uint8_t blockno=0; | |
3ac22ee1 | 855 | uint8_t bldata[8]={0,0,0,0,0,0,0,0}; |
aa53efc3 | 856 | uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
857 | uint8_t keyNbr = 0; | |
858 | uint8_t dataLen = 0; | |
859 | char tempStr[50] = {0}; | |
860 | bool use_credit_key = false; | |
861 | bool elite = false; | |
bc37cfb3 | 862 | bool rawkey= false; |
aa53efc3 | 863 | bool errors = false; |
864 | uint8_t cmdp = 0; | |
865 | while(param_getchar(Cmd, cmdp) != 0x00) | |
866 | { | |
867 | switch(param_getchar(Cmd, cmdp)) | |
868 | { | |
869 | case 'h': | |
870 | case 'H': | |
871 | return usage_hf_iclass_writeblock(); | |
872 | case 'b': | |
873 | case 'B': | |
874 | if (param_gethex(Cmd, cmdp+1, &blockno, 2)) { | |
875 | PrintAndLog("Block No must include 2 HEX symbols\n"); | |
876 | errors = true; | |
877 | } | |
878 | cmdp += 2; | |
879 | break; | |
880 | case 'c': | |
881 | case 'C': | |
882 | use_credit_key = true; | |
883 | cmdp++; | |
884 | break; | |
885 | case 'd': | |
886 | case 'D': | |
887 | if (param_gethex(Cmd, cmdp+1, bldata, 16)) | |
888 | { | |
889 | PrintAndLog("KEY must include 16 HEX symbols\n"); | |
890 | errors = true; | |
891 | } | |
892 | cmdp += 2; | |
893 | break; | |
894 | case 'e': | |
895 | case 'E': | |
896 | elite = true; | |
897 | cmdp++; | |
898 | break; | |
899 | case 'k': | |
900 | case 'K': | |
901 | dataLen = param_getstr(Cmd, cmdp+1, tempStr); | |
902 | if (dataLen == 16) { | |
903 | errors = param_gethex(tempStr, 0, KEY, dataLen); | |
904 | } else if (dataLen == 1) { | |
905 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 906 | if (keyNbr < ICLASS_KEYS_MAX) { |
aa53efc3 | 907 | memcpy(KEY, iClass_Key_Table[keyNbr], 8); |
908 | } else { | |
909 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
910 | errors = true; | |
911 | } | |
912 | } else { | |
913 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); | |
914 | errors = true; | |
915 | } | |
916 | cmdp += 2; | |
917 | break; | |
bc37cfb3 AL |
918 | case 'r': |
919 | case 'R': | |
920 | rawkey = true; | |
921 | cmdp++; | |
922 | break; | |
aa53efc3 | 923 | default: |
924 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
925 | errors = true; | |
926 | break; | |
927 | } | |
928 | if(errors) return usage_hf_iclass_writeblock(); | |
929 | } | |
930 | ||
931 | if (cmdp < 6) return usage_hf_iclass_writeblock(); | |
bc37cfb3 | 932 | int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, true); |
3ac22ee1 | 933 | ul_switch_off_field(); |
934 | return ans; | |
aa53efc3 | 935 | } |
936 | ||
4d68ec02 | 937 | int usage_hf_iclass_clone(void) { |
bc37cfb3 | 938 | PrintAndLog("Usage: hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> c e|r"); |
aa53efc3 | 939 | PrintAndLog("Options:"); |
940 | PrintAndLog(" f <filename>: specify a filename to clone from"); | |
941 | PrintAndLog(" b <Block> : The first block to clone as 2 hex symbols"); | |
942 | PrintAndLog(" l <Last Blk>: Set the Data to write as 16 hex symbols"); | |
943 | PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory"); | |
944 | PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n"); | |
945 | PrintAndLog(" e : If 'e' is specified, elite computations applied to key"); | |
bc37cfb3 | 946 | PrintAndLog(" r : If 'r' is specified, no computations applied to key"); |
aa53efc3 | 947 | PrintAndLog("Samples:"); |
948 | PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 1A k 1122334455667788 e"); | |
949 | PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 05 l 19 k 0"); | |
950 | PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 19 k 0 e"); | |
951 | return -1; | |
952 | } | |
953 | ||
954 | int CmdHFiClassCloneTag(const char *Cmd) { | |
165e0775 | 955 | char filename[FILE_PATH_SIZE] = {0}; |
aa53efc3 | 956 | char tempStr[50]={0}; |
957 | uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
958 | uint8_t keyNbr = 0; | |
959 | uint8_t fileNameLen = 0; | |
960 | uint8_t startblock = 0; | |
961 | uint8_t endblock = 0; | |
962 | uint8_t dataLen = 0; | |
963 | bool use_credit_key = false; | |
964 | bool elite = false; | |
bc37cfb3 | 965 | bool rawkey = false; |
aa53efc3 | 966 | bool errors = false; |
967 | uint8_t cmdp = 0; | |
968 | while(param_getchar(Cmd, cmdp) != 0x00) | |
969 | { | |
970 | switch(param_getchar(Cmd, cmdp)) | |
971 | { | |
972 | case 'h': | |
973 | case 'H': | |
974 | return usage_hf_iclass_clone(); | |
975 | case 'b': | |
976 | case 'B': | |
977 | if (param_gethex(Cmd, cmdp+1, &startblock, 2)) { | |
978 | PrintAndLog("Start Block No must include 2 HEX symbols\n"); | |
979 | errors = true; | |
980 | } | |
981 | cmdp += 2; | |
982 | break; | |
983 | case 'c': | |
984 | case 'C': | |
985 | use_credit_key = true; | |
986 | cmdp++; | |
987 | break; | |
988 | case 'e': | |
989 | case 'E': | |
990 | elite = true; | |
991 | cmdp++; | |
992 | break; | |
993 | case 'f': | |
994 | case 'F': | |
995 | fileNameLen = param_getstr(Cmd, cmdp+1, filename); | |
996 | if (fileNameLen < 1) { | |
997 | PrintAndLog("No filename found after f"); | |
998 | errors = true; | |
999 | } | |
1000 | cmdp += 2; | |
1001 | break; | |
1002 | case 'k': | |
1003 | case 'K': | |
1004 | dataLen = param_getstr(Cmd, cmdp+1, tempStr); | |
1005 | if (dataLen == 16) { | |
1006 | errors = param_gethex(tempStr, 0, KEY, dataLen); | |
1007 | } else if (dataLen == 1) { | |
1008 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1009 | if (keyNbr < ICLASS_KEYS_MAX) { |
aa53efc3 | 1010 | memcpy(KEY, iClass_Key_Table[keyNbr], 8); |
1011 | } else { | |
1012 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
1013 | errors = true; | |
1014 | } | |
1015 | } else { | |
1016 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); | |
1017 | errors = true; | |
1018 | } | |
1019 | cmdp += 2; | |
1020 | break; | |
1021 | case 'l': | |
1022 | case 'L': | |
1023 | if (param_gethex(Cmd, cmdp+1, &endblock, 2)) { | |
1024 | PrintAndLog("Start Block No must include 2 HEX symbols\n"); | |
1025 | errors = true; | |
1026 | } | |
1027 | cmdp += 2; | |
1028 | break; | |
bc37cfb3 AL |
1029 | case 'r': |
1030 | case 'R': | |
1031 | rawkey = true; | |
1032 | cmdp++; | |
1033 | break; | |
aa53efc3 | 1034 | default: |
1035 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
1036 | errors = true; | |
1037 | break; | |
1038 | } | |
1039 | if(errors) return usage_hf_iclass_clone(); | |
1040 | } | |
1041 | ||
1042 | if (cmdp < 8) return usage_hf_iclass_clone(); | |
1043 | ||
1044 | FILE *f; | |
1045 | ||
1046 | iclass_block_t tag_data[USB_CMD_DATA_SIZE/12]; | |
1047 | ||
1048 | if ((endblock-startblock+1)*12 > USB_CMD_DATA_SIZE) { | |
1049 | PrintAndLog("Trying to write too many blocks at once. Max: %d", USB_CMD_DATA_SIZE/8); | |
1050 | } | |
1051 | // file handling and reading | |
1052 | f = fopen(filename,"rb"); | |
1053 | if(!f) { | |
1054 | PrintAndLog("Failed to read from file '%s'", filename); | |
1055 | return 1; | |
1056 | } | |
1057 | ||
1058 | if (startblock<5) { | |
1059 | PrintAndLog("You cannot write key blocks this way. yet... make your start block > 4"); | |
165e0775 | 1060 | fclose(f); |
aa53efc3 | 1061 | return 0; |
1062 | } | |
1063 | // now read data from the file from block 6 --- 19 | |
1064 | // ok we will use this struct [data 8 bytes][MAC 4 bytes] for each block calculate all mac number for each data | |
1065 | // then copy to usbcommand->asbytes; the max is 32 - 6 = 24 block 12 bytes each block 288 bytes then we can only accept to clone 21 blocks at the time, | |
1066 | // else we have to create a share memory | |
1067 | int i; | |
1068 | fseek(f,startblock*8,SEEK_SET); | |
33c795d0 | 1069 | if ( fread(tag_data,sizeof(iclass_block_t),endblock - startblock + 1,f) == 0 ) { |
1070 | PrintAndLog("File reading error."); | |
1071 | fclose(f); | |
1072 | return 2; | |
1073 | } | |
aa53efc3 | 1074 | |
1075 | uint8_t MAC[4]={0x00,0x00,0x00,0x00}; | |
1076 | uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1077 | ||
bc37cfb3 | 1078 | if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, true)) |
aa53efc3 | 1079 | return 0; |
1080 | ||
3ac22ee1 | 1081 | UsbCommand w = {CMD_ICLASS_CLONE,{startblock,endblock}}; |
aa53efc3 | 1082 | uint8_t *ptr; |
1083 | // calculate all mac for every the block we will write | |
1084 | for (i = startblock; i <= endblock; i++){ | |
1085 | Calc_wb_mac(i,tag_data[i - startblock].d,div_key,MAC); | |
1086 | // usb command d start pointer = d + (i - 6) * 12 | |
1087 | // memcpy(pointer,tag_data[i - 6],8) 8 bytes | |
1088 | // memcpy(pointer + 8,mac,sizoof(mac) 4 bytes; | |
1089 | // next one | |
1090 | ptr = w.d.asBytes + (i - startblock) * 12; | |
1091 | memcpy(ptr, &(tag_data[i - startblock].d[0]), 8); | |
1092 | memcpy(ptr + 8,MAC, 4); | |
1093 | } | |
1094 | uint8_t p[12]; | |
1095 | for (i = 0; i <= endblock - startblock;i++){ | |
1096 | memcpy(p,w.d.asBytes + (i * 12),12); | |
4d68ec02 | 1097 | printf("Block |%02x|",i + startblock); |
1098 | printf(" %02x%02x%02x%02x%02x%02x%02x%02x |",p[0],p[1],p[2],p[3],p[4],p[5],p[6],p[7]); | |
1099 | printf(" MAC |%02x%02x%02x%02x|\n",p[8],p[9],p[10],p[11]); | |
aa53efc3 | 1100 | } |
1101 | UsbCommand resp; | |
1102 | SendCommand(&w); | |
1103 | if (!WaitForResponseTimeout(CMD_ACK,&resp,4500)) | |
1104 | { | |
1105 | PrintAndLog("Command execute timeout"); | |
1106 | return 0; | |
1107 | } | |
1108 | return 1; | |
1109 | } | |
1110 | ||
67e344df | 1111 | static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool verbose, bool auth) { |
aa53efc3 | 1112 | uint8_t MAC[4]={0x00,0x00,0x00,0x00}; |
1113 | uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1114 | ||
67e344df | 1115 | if (auth) { |
1116 | if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, rawkey, verbose)) | |
1117 | return 0; | |
1118 | } else { | |
1119 | uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1120 | uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1121 | if (!select_only(CSN, CCNR, (keyType==0x18), verbose)) | |
1122 | return 0; | |
1123 | } | |
aa53efc3 | 1124 | |
1125 | UsbCommand resp; | |
3ac22ee1 | 1126 | UsbCommand w = {CMD_ICLASS_READBLOCK, {blockno}}; |
aa53efc3 | 1127 | clearCommandBuffer(); |
1128 | SendCommand(&w); | |
1129 | if (!WaitForResponseTimeout(CMD_ACK,&resp,4500)) | |
1130 | { | |
1131 | PrintAndLog("Command execute timeout"); | |
1132 | return 0; | |
1133 | } | |
1134 | uint8_t isOK = resp.arg[0] & 0xff; | |
1135 | if (!isOK) { | |
1136 | PrintAndLog("Read Block Failed"); | |
1137 | return 0; | |
1138 | } | |
1139 | //data read is stored in: resp.d.asBytes[0-15] | |
1140 | if (verbose) PrintAndLog("Block %02X: %s\n",blockno, sprint_hex(resp.d.asBytes,8)); | |
1141 | return 1; | |
1142 | } | |
1143 | ||
4d68ec02 | 1144 | int usage_hf_iclass_readblock(void) { |
bc37cfb3 | 1145 | PrintAndLog("Usage: hf iclass readblk b <Block> k <Key> c e|r\n"); |
aa53efc3 | 1146 | PrintAndLog("Options:"); |
1147 | PrintAndLog(" b <Block> : The block number as 2 hex symbols"); | |
1148 | PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory"); | |
1149 | PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n"); | |
1150 | PrintAndLog(" e : If 'e' is specified, elite computations applied to key"); | |
bc37cfb3 | 1151 | PrintAndLog(" r : If 'r' is specified, no computations applied to key"); |
aa53efc3 | 1152 | PrintAndLog("Samples:"); |
1153 | PrintAndLog(" hf iclass readblk b 06 k 0011223344556677"); | |
1154 | PrintAndLog(" hf iclass readblk b 1B k 0011223344556677 c"); | |
1155 | PrintAndLog(" hf iclass readblk b 0A k 0"); | |
1156 | return 0; | |
1157 | } | |
1158 | ||
4d68ec02 | 1159 | int CmdHFiClass_ReadBlock(const char *Cmd) { |
aa53efc3 | 1160 | uint8_t blockno=0; |
1161 | uint8_t keyType = 0x88; //debit key | |
1162 | uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1163 | uint8_t keyNbr = 0; | |
1164 | uint8_t dataLen = 0; | |
1165 | char tempStr[50] = {0}; | |
1166 | bool elite = false; | |
bc37cfb3 | 1167 | bool rawkey = false; |
aa53efc3 | 1168 | bool errors = false; |
67e344df | 1169 | bool auth = false; |
aa53efc3 | 1170 | uint8_t cmdp = 0; |
1171 | while(param_getchar(Cmd, cmdp) != 0x00) | |
1172 | { | |
1173 | switch(param_getchar(Cmd, cmdp)) | |
1174 | { | |
1175 | case 'h': | |
1176 | case 'H': | |
1177 | return usage_hf_iclass_readblock(); | |
1178 | case 'b': | |
1179 | case 'B': | |
1180 | if (param_gethex(Cmd, cmdp+1, &blockno, 2)) { | |
1181 | PrintAndLog("Block No must include 2 HEX symbols\n"); | |
1182 | errors = true; | |
1183 | } | |
1184 | cmdp += 2; | |
1185 | break; | |
1186 | case 'c': | |
1187 | case 'C': | |
1188 | keyType = 0x18; | |
1189 | cmdp++; | |
1190 | break; | |
1191 | case 'e': | |
1192 | case 'E': | |
1193 | elite = true; | |
1194 | cmdp++; | |
1195 | break; | |
1196 | case 'k': | |
1197 | case 'K': | |
67e344df | 1198 | auth = true; |
aa53efc3 | 1199 | dataLen = param_getstr(Cmd, cmdp+1, tempStr); |
1200 | if (dataLen == 16) { | |
1201 | errors = param_gethex(tempStr, 0, KEY, dataLen); | |
1202 | } else if (dataLen == 1) { | |
1203 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1204 | if (keyNbr < ICLASS_KEYS_MAX) { |
aa53efc3 | 1205 | memcpy(KEY, iClass_Key_Table[keyNbr], 8); |
1206 | } else { | |
1207 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
1208 | errors = true; | |
1209 | } | |
1210 | } else { | |
1211 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); | |
1212 | errors = true; | |
1213 | } | |
1214 | cmdp += 2; | |
1215 | break; | |
bc37cfb3 AL |
1216 | case 'r': |
1217 | case 'R': | |
1218 | rawkey = true; | |
1219 | cmdp++; | |
1220 | break; | |
aa53efc3 | 1221 | default: |
1222 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
1223 | errors = true; | |
1224 | break; | |
1225 | } | |
1226 | if(errors) return usage_hf_iclass_readblock(); | |
1227 | } | |
1228 | ||
67e344df | 1229 | if (cmdp < 2) return usage_hf_iclass_readblock(); |
1230 | if (!auth) | |
1231 | PrintAndLog("warning: no authentication used with read, only a few specific blocks can be read accurately without authentication."); | |
1232 | return ReadBlock(KEY, blockno, keyType, elite, rawkey, true, auth); | |
aa53efc3 | 1233 | } |
1234 | ||
4d68ec02 | 1235 | int CmdHFiClass_loclass(const char *Cmd) { |
aa53efc3 | 1236 | char opt = param_getchar(Cmd, 0); |
1237 | ||
1238 | if (strlen(Cmd)<1 || opt == 'h') { | |
1239 | PrintAndLog("Usage: hf iclass loclass [options]"); | |
1240 | PrintAndLog("Options:"); | |
1241 | PrintAndLog("h Show this help"); | |
6f101995 MHS |
1242 | PrintAndLog("t Perform self-test"); |
1243 | PrintAndLog("f <filename> Bruteforce iclass dumpfile"); | |
1244 | PrintAndLog(" An iclass dumpfile is assumed to consist of an arbitrary number of"); | |
1245 | PrintAndLog(" malicious CSNs, and their protocol responses"); | |
b8140ab1 | 1246 | PrintAndLog(" The binary format of the file is expected to be as follows: "); |
6f101995 MHS |
1247 | PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>"); |
1248 | PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>"); | |
1249 | PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>"); | |
1250 | PrintAndLog(" ... totalling N*24 bytes"); | |
1251 | return 0; | |
1252 | } | |
1253 | char fileName[255] = {0}; | |
1254 | if(opt == 'f') | |
1255 | { | |
53444513 MHS |
1256 | if(param_getstr(Cmd, 1, fileName) > 0) |
1257 | { | |
1258 | return bruteforceFileNoKeys(fileName); | |
1259 | }else | |
1260 | { | |
1261 | PrintAndLog("You must specify a filename"); | |
1262 | } | |
6f101995 MHS |
1263 | } |
1264 | else if(opt == 't') | |
1265 | { | |
1266 | int errors = testCipherUtils(); | |
1267 | errors += testMAC(); | |
1268 | errors += doKeyTests(0); | |
1269 | errors += testElite(); | |
1270 | if(errors) | |
1271 | { | |
1272 | prnlog("OBS! There were errors!!!"); | |
1273 | } | |
1274 | return errors; | |
1275 | } | |
a66fca86 | 1276 | |
6f101995 MHS |
1277 | return 0; |
1278 | } | |
c3963755 | 1279 | |
4d68ec02 | 1280 | void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize) { |
aa53efc3 | 1281 | uint8_t mem_config; |
1282 | memcpy(&mem_config, iclass_dump + 13,1); | |
1283 | uint8_t maxmemcount; | |
1284 | uint8_t filemaxblock = filesize / 8; | |
4d68ec02 | 1285 | if (mem_config & 0x80) |
aa53efc3 | 1286 | maxmemcount = 255; |
1287 | else | |
4d68ec02 | 1288 | maxmemcount = 31; |
1289 | //PrintAndLog ("endblock: %d, filesize: %d, maxmemcount: %d, filemaxblock: %d", endblock,filesize, maxmemcount, filemaxblock); | |
aa53efc3 | 1290 | |
1291 | if (startblock == 0) | |
1292 | startblock = 6; | |
1293 | if ((endblock > maxmemcount) || (endblock == 0)) | |
1294 | endblock = maxmemcount; | |
89696b8b | 1295 | |
1296 | // remember endblock need to relate to zero-index arrays. | |
1297 | if (endblock > filemaxblock-1) | |
aa53efc3 | 1298 | endblock = filemaxblock; |
89696b8b | 1299 | |
aa53efc3 | 1300 | int i = startblock; |
89696b8b | 1301 | printf("------+--+-------------------------+\n"); |
1302 | while (i <= endblock) { | |
1303 | uint8_t *blk = iclass_dump + (i * 8); | |
1304 | printf("Block |%02X| %s|\n", i, sprint_hex(blk, 8) ); | |
aa53efc3 | 1305 | i++; |
1306 | } | |
89696b8b | 1307 | printf("------+--+-------------------------+\n"); |
aa53efc3 | 1308 | } |
1309 | ||
4d68ec02 | 1310 | int usage_hf_iclass_readtagfile() { |
1311 | PrintAndLog("Usage: hf iclass readtagfile <filename> [startblock] [endblock]"); | |
1312 | return 1; | |
1313 | } | |
1314 | ||
1315 | int CmdHFiClassReadTagFile(const char *Cmd) { | |
aa53efc3 | 1316 | int startblock = 0; |
1317 | int endblock = 0; | |
1318 | char tempnum[5]; | |
1319 | FILE *f; | |
1320 | char filename[FILE_PATH_SIZE]; | |
1321 | if (param_getstr(Cmd, 0, filename) < 1) | |
1322 | return usage_hf_iclass_readtagfile(); | |
1323 | if (param_getstr(Cmd,1,(char *)&tempnum) < 1) | |
1324 | startblock = 0; | |
1325 | else | |
1326 | sscanf(tempnum,"%d",&startblock); | |
1327 | ||
1328 | if (param_getstr(Cmd,2,(char *)&tempnum) < 1) | |
1329 | endblock = 0; | |
1330 | else | |
1331 | sscanf(tempnum,"%d",&endblock); | |
1332 | // file handling and reading | |
1333 | f = fopen(filename,"rb"); | |
1334 | if(!f) { | |
1335 | PrintAndLog("Failed to read from file '%s'", filename); | |
1336 | return 1; | |
1337 | } | |
1338 | fseek(f, 0, SEEK_END); | |
1339 | long fsize = ftell(f); | |
1340 | fseek(f, 0, SEEK_SET); | |
1341 | ||
b0c68b72 | 1342 | if ( fsize < 0 ) { |
1343 | PrintAndLog("Error, when getting filesize"); | |
1344 | fclose(f); | |
1345 | return 1; | |
1346 | } | |
aa53efc3 | 1347 | |
b0c68b72 | 1348 | uint8_t *dump = malloc(fsize); |
aa53efc3 | 1349 | |
1350 | size_t bytes_read = fread(dump, 1, fsize, f); | |
1351 | fclose(f); | |
1352 | uint8_t *csn = dump; | |
89696b8b | 1353 | printf("------+--+-------------------------+\n"); |
1354 | printf("CSN |00| %s|\n", sprint_hex(csn, 8) ); | |
aa53efc3 | 1355 | // printIclassDumpInfo(dump); |
1356 | printIclassDumpContents(dump,startblock,endblock,bytes_read); | |
1357 | free(dump); | |
1358 | return 0; | |
1359 | } | |
1360 | ||
4d68ec02 | 1361 | /* |
1362 | uint64_t xorcheck(uint64_t sdiv,uint64_t hdiv) { | |
aa53efc3 | 1363 | uint64_t new_div = 0x00; |
1364 | new_div ^= sdiv; | |
1365 | new_div ^= hdiv; | |
1366 | return new_div; | |
1367 | } | |
1368 | ||
4d68ec02 | 1369 | uint64_t hexarray_to_uint64(uint8_t *key) { |
aa53efc3 | 1370 | char temp[17]; |
1371 | uint64_t uint_key; | |
1372 | for (int i = 0;i < 8;i++) | |
1373 | sprintf(&temp[(i *2)],"%02X",key[i]); | |
1374 | temp[16] = '\0'; | |
43534cba | 1375 | if (sscanf(temp,"%016" SCNx64,&uint_key) < 1) |
aa53efc3 | 1376 | return 0; |
1377 | return uint_key; | |
1378 | } | |
4d68ec02 | 1379 | */ |
1380 | void HFiClassCalcDivKey(uint8_t *CSN, uint8_t *KEY, uint8_t *div_key, bool elite){ | |
aa53efc3 | 1381 | uint8_t keytable[128] = {0}; |
1382 | uint8_t key_index[8] = {0}; | |
4d68ec02 | 1383 | if (elite) { |
1384 | uint8_t key_sel[8] = { 0 }; | |
1385 | uint8_t key_sel_p[8] = { 0 }; | |
1386 | hash2(KEY, keytable); | |
1387 | hash1(CSN, key_index); | |
1388 | for(uint8_t i = 0; i < 8 ; i++) | |
1389 | key_sel[i] = keytable[key_index[i]] & 0xFF; | |
aa53efc3 | 1390 | |
4d68ec02 | 1391 | //Permute from iclass format to standard format |
1392 | permutekey_rev(key_sel, key_sel_p); | |
1393 | diversifyKey(CSN, key_sel_p, div_key); | |
1394 | } else { | |
1395 | diversifyKey(CSN, KEY, div_key); | |
1396 | } | |
1397 | } | |
aa53efc3 | 1398 | |
4d68ec02 | 1399 | //when told CSN, oldkey, newkey, if new key is elite (elite), and if old key was elite (oldElite) |
1400 | //calculate and return xor_div_key (ready for a key write command) | |
1401 | //print all div_keys if verbose | |
1402 | static void HFiClassCalcNewKey(uint8_t *CSN, uint8_t *OLDKEY, uint8_t *NEWKEY, uint8_t *xor_div_key, bool elite, bool oldElite, bool verbose){ | |
1403 | uint8_t old_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1404 | uint8_t new_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1405 | //get old div key | |
1406 | HFiClassCalcDivKey(CSN, OLDKEY, old_div_key, oldElite); | |
1407 | //get new div key | |
1408 | HFiClassCalcDivKey(CSN, NEWKEY, new_div_key, elite); | |
1409 | ||
1410 | for (uint8_t i = 0; i < sizeof(old_div_key); i++){ | |
1411 | xor_div_key[i] = old_div_key[i] ^ new_div_key[i]; | |
1412 | } | |
1413 | if (verbose) { | |
1414 | printf("Old Div Key : %s\n",sprint_hex(old_div_key,8)); | |
1415 | printf("New Div Key : %s\n",sprint_hex(new_div_key,8)); | |
1416 | printf("Xor Div Key : %s\n",sprint_hex(xor_div_key,8)); | |
1417 | } | |
1418 | } | |
aa53efc3 | 1419 | |
4d68ec02 | 1420 | int usage_hf_iclass_calc_newkey(void) { |
1421 | PrintAndLog("HELP : Manage iClass Keys in client memory:\n"); | |
1422 | PrintAndLog("Usage: hf iclass calc_newkey o <Old key> n <New key> s [csn] e"); | |
1423 | PrintAndLog(" Options:"); | |
1424 | PrintAndLog(" o <oldkey> : *specify a key as 16 hex symbols or a key number as 1 symbol"); | |
1425 | PrintAndLog(" n <newkey> : *specify a key as 16 hex symbols or a key number as 1 symbol"); | |
1426 | PrintAndLog(" s <csn> : specify a card Serial number to diversify the key (if omitted will attempt to read a csn)"); | |
1427 | PrintAndLog(" e : specify new key as elite calc"); | |
1428 | PrintAndLog(" ee : specify old and new key as elite calc"); | |
1429 | PrintAndLog("Samples:"); | |
1430 | PrintAndLog(" e key to e key given csn : hf iclass calcnewkey o 1122334455667788 n 2233445566778899 s deadbeafdeadbeaf ee"); | |
1431 | PrintAndLog(" std key to e key read csn: hf iclass calcnewkey o 1122334455667788 n 2233445566778899 e"); | |
1432 | PrintAndLog(" std to std read csn : hf iclass calcnewkey o 1122334455667788 n 2233445566778899"); | |
1433 | PrintAndLog("NOTE: * = required\n"); | |
aa53efc3 | 1434 | |
4d68ec02 | 1435 | return 1; |
1436 | } | |
aa53efc3 | 1437 | |
4d68ec02 | 1438 | int CmdHFiClassCalcNewKey(const char *Cmd) { |
1439 | uint8_t OLDKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1440 | uint8_t NEWKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1441 | uint8_t xor_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1442 | uint8_t CSN[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1443 | uint8_t CCNR[12] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1444 | uint8_t keyNbr = 0; | |
1445 | uint8_t dataLen = 0; | |
1446 | char tempStr[50] = {0}; | |
1447 | bool givenCSN = false; | |
1448 | bool oldElite = false; | |
1449 | bool elite = false; | |
1450 | bool errors = false; | |
1451 | uint8_t cmdp = 0; | |
1452 | while(param_getchar(Cmd, cmdp) != 0x00) | |
1453 | { | |
1454 | switch(param_getchar(Cmd, cmdp)) | |
1455 | { | |
1456 | case 'h': | |
1457 | case 'H': | |
1458 | return usage_hf_iclass_calc_newkey(); | |
1459 | case 'e': | |
1460 | case 'E': | |
1461 | dataLen = param_getstr(Cmd, cmdp, tempStr); | |
1462 | if (dataLen==2) | |
1463 | oldElite = true; | |
1464 | elite = true; | |
1465 | cmdp++; | |
1466 | break; | |
1467 | case 'n': | |
1468 | case 'N': | |
1469 | dataLen = param_getstr(Cmd, cmdp+1, tempStr); | |
1470 | if (dataLen == 16) { | |
1471 | errors = param_gethex(tempStr, 0, NEWKEY, dataLen); | |
1472 | } else if (dataLen == 1) { | |
1473 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1474 | if (keyNbr < ICLASS_KEYS_MAX) { |
4d68ec02 | 1475 | memcpy(NEWKEY, iClass_Key_Table[keyNbr], 8); |
1476 | } else { | |
1477 | PrintAndLog("\nERROR: NewKey Nbr is invalid\n"); | |
1478 | errors = true; | |
1479 | } | |
1480 | } else { | |
1481 | PrintAndLog("\nERROR: NewKey is incorrect length\n"); | |
1482 | errors = true; | |
1483 | } | |
1484 | cmdp += 2; | |
1485 | break; | |
1486 | case 'o': | |
1487 | case 'O': | |
1488 | dataLen = param_getstr(Cmd, cmdp+1, tempStr); | |
1489 | if (dataLen == 16) { | |
1490 | errors = param_gethex(tempStr, 0, OLDKEY, dataLen); | |
1491 | } else if (dataLen == 1) { | |
1492 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1493 | if (keyNbr < ICLASS_KEYS_MAX) { |
4d68ec02 | 1494 | memcpy(OLDKEY, iClass_Key_Table[keyNbr], 8); |
1495 | } else { | |
1496 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
1497 | errors = true; | |
1498 | } | |
1499 | } else { | |
1500 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); | |
1501 | errors = true; | |
1502 | } | |
1503 | cmdp += 2; | |
1504 | break; | |
1505 | case 's': | |
1506 | case 'S': | |
1507 | givenCSN = true; | |
1508 | if (param_gethex(Cmd, cmdp+1, CSN, 16)) | |
1509 | return usage_hf_iclass_calc_newkey(); | |
1510 | cmdp += 2; | |
1511 | break; | |
1512 | default: | |
1513 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
1514 | errors = true; | |
1515 | break; | |
1516 | } | |
1517 | if(errors) return usage_hf_iclass_calc_newkey(); | |
1518 | } | |
aa53efc3 | 1519 | |
4d68ec02 | 1520 | if (cmdp < 4) return usage_hf_iclass_calc_newkey(); |
aa53efc3 | 1521 | |
4d68ec02 | 1522 | if (!givenCSN) |
1523 | if (!select_only(CSN, CCNR, false, true)) | |
1524 | return 0; | |
1525 | ||
1526 | HFiClassCalcNewKey(CSN, OLDKEY, NEWKEY, xor_div_key, elite, oldElite, true); | |
aa53efc3 | 1527 | return 0; |
1528 | } | |
1529 | ||
4d68ec02 | 1530 | static int loadKeys(char *filename) { |
aa53efc3 | 1531 | FILE *f; |
1532 | f = fopen(filename,"rb"); | |
1533 | if(!f) { | |
1534 | PrintAndLog("Failed to read from file '%s'", filename); | |
1535 | return 0; | |
1536 | } | |
1537 | fseek(f, 0, SEEK_END); | |
1538 | long fsize = ftell(f); | |
1539 | fseek(f, 0, SEEK_SET); | |
1540 | ||
eb5b63b4 | 1541 | if ( fsize < 0 ) { |
1542 | PrintAndLog("Error, when getting filesize"); | |
1543 | fclose(f); | |
1544 | return 1; | |
1545 | } | |
1546 | ||
aa53efc3 | 1547 | uint8_t *dump = malloc(fsize); |
1548 | ||
1549 | size_t bytes_read = fread(dump, 1, fsize, f); | |
1550 | fclose(f); | |
1551 | if (bytes_read > ICLASS_KEYS_MAX * 8){ | |
1552 | PrintAndLog("File is too long to load - bytes: %u", bytes_read); | |
1553 | free(dump); | |
1554 | return 0; | |
1555 | } | |
1556 | uint8_t i = 0; | |
1557 | for (; i < bytes_read/8; i++){ | |
1558 | memcpy(iClass_Key_Table[i],dump+(i*8),8); | |
1559 | } | |
1560 | free(dump); | |
1561 | PrintAndLog("%u keys loaded", i); | |
1562 | return 1; | |
1563 | } | |
1564 | ||
4d68ec02 | 1565 | static int saveKeys(char *filename) { |
aa53efc3 | 1566 | FILE *f; |
1567 | f = fopen(filename,"wb"); | |
1568 | if (f == NULL) { | |
1569 | printf("error opening file %s\n",filename); | |
1570 | return 0; | |
1571 | } | |
1572 | for (uint8_t i = 0; i < ICLASS_KEYS_MAX; i++){ | |
1573 | if (fwrite(iClass_Key_Table[i],8,1,f) != 1){ | |
1574 | PrintAndLog("save key failed to write to file: %s", filename); | |
1575 | break; | |
1576 | } | |
1577 | } | |
1578 | fclose(f); | |
1579 | return 0; | |
1580 | } | |
1581 | ||
4d68ec02 | 1582 | static int printKeys(void) { |
aa53efc3 | 1583 | PrintAndLog(""); |
1584 | for (uint8_t i = 0; i < ICLASS_KEYS_MAX; i++){ | |
1585 | PrintAndLog("%u: %s",i,sprint_hex(iClass_Key_Table[i],8)); | |
1586 | } | |
1587 | PrintAndLog(""); | |
1588 | return 0; | |
1589 | } | |
1590 | ||
4d68ec02 | 1591 | int usage_hf_iclass_managekeys(void) { |
aa53efc3 | 1592 | PrintAndLog("HELP : Manage iClass Keys in client memory:\n"); |
1593 | PrintAndLog("Usage: hf iclass managekeys n [keynbr] k [key] f [filename] s l p\n"); | |
1594 | PrintAndLog(" Options:"); | |
1595 | PrintAndLog(" n <keynbr> : specify the keyNbr to set in memory"); | |
1596 | PrintAndLog(" k <key> : set a key in memory"); | |
1597 | PrintAndLog(" f <filename>: specify a filename to use with load or save operations"); | |
1598 | PrintAndLog(" s : save keys in memory to file specified by filename"); | |
1599 | PrintAndLog(" l : load keys to memory from file specified by filename"); | |
1600 | PrintAndLog(" p : print keys loaded into memory\n"); | |
1601 | PrintAndLog("Samples:"); | |
1602 | PrintAndLog(" set key : hf iclass managekeys n 0 k 1122334455667788"); | |
1603 | PrintAndLog(" save key file: hf iclass managekeys f mykeys.bin s"); | |
1604 | PrintAndLog(" load key file: hf iclass managekeys f mykeys.bin l"); | |
1605 | PrintAndLog(" print keys : hf iclass managekeys p\n"); | |
1606 | return 0; | |
1607 | } | |
1608 | ||
4d68ec02 | 1609 | int CmdHFiClassManageKeys(const char *Cmd) { |
aa53efc3 | 1610 | uint8_t keyNbr = 0; |
1611 | uint8_t dataLen = 0; | |
1612 | uint8_t KEY[8] = {0}; | |
1613 | char filename[FILE_PATH_SIZE]; | |
1614 | uint8_t fileNameLen = 0; | |
1615 | bool errors = false; | |
1616 | uint8_t operation = 0; | |
1617 | char tempStr[20]; | |
1618 | uint8_t cmdp = 0; | |
1619 | ||
1620 | while(param_getchar(Cmd, cmdp) != 0x00) | |
1621 | { | |
1622 | switch(param_getchar(Cmd, cmdp)) | |
1623 | { | |
1624 | case 'h': | |
1625 | case 'H': | |
1626 | return usage_hf_iclass_managekeys(); | |
1627 | case 'f': | |
1628 | case 'F': | |
1629 | fileNameLen = param_getstr(Cmd, cmdp+1, filename); | |
1630 | if (fileNameLen < 1) { | |
1631 | PrintAndLog("No filename found after f"); | |
1632 | errors = true; | |
1633 | } | |
1634 | cmdp += 2; | |
1635 | break; | |
1636 | case 'n': | |
1637 | case 'N': | |
1638 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1639 | if (keyNbr >= ICLASS_KEYS_MAX) { |
1640 | PrintAndLog("Invalid block number"); | |
aa53efc3 | 1641 | errors = true; |
1642 | } | |
1643 | cmdp += 2; | |
1644 | break; | |
1645 | case 'k': | |
1646 | case 'K': | |
1647 | operation += 3; //set key | |
1648 | dataLen = param_getstr(Cmd, cmdp+1, tempStr); | |
1649 | if (dataLen == 16) { //ul-c or ev1/ntag key length | |
1650 | errors = param_gethex(tempStr, 0, KEY, dataLen); | |
1651 | } else { | |
1652 | PrintAndLog("\nERROR: Key is incorrect length\n"); | |
1653 | errors = true; | |
1654 | } | |
1655 | cmdp += 2; | |
1656 | break; | |
1657 | case 'p': | |
1658 | case 'P': | |
1659 | operation += 4; //print keys in memory | |
1660 | cmdp++; | |
1661 | break; | |
1662 | case 'l': | |
1663 | case 'L': | |
1664 | operation += 5; //load keys from file | |
1665 | cmdp++; | |
1666 | break; | |
1667 | case 's': | |
1668 | case 'S': | |
1669 | operation += 6; //save keys to file | |
1670 | cmdp++; | |
1671 | break; | |
1672 | default: | |
1673 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
1674 | errors = true; | |
1675 | break; | |
1676 | } | |
1677 | if(errors) return usage_hf_iclass_managekeys(); | |
1678 | } | |
1679 | if (operation == 0){ | |
1680 | PrintAndLog("no operation specified (load, save, or print)\n"); | |
1681 | return usage_hf_iclass_managekeys(); | |
1682 | } | |
1683 | if (operation > 6){ | |
1684 | PrintAndLog("Too many operations specified\n"); | |
1685 | return usage_hf_iclass_managekeys(); | |
1686 | } | |
1687 | if (operation > 4 && fileNameLen == 0){ | |
1688 | PrintAndLog("You must enter a filename when loading or saving\n"); | |
1689 | return usage_hf_iclass_managekeys(); | |
1690 | } | |
1691 | ||
1692 | switch (operation){ | |
1693 | case 3: memcpy(iClass_Key_Table[keyNbr], KEY, 8); return 1; | |
1694 | case 4: return printKeys(); | |
1695 | case 5: return loadKeys(filename); | |
1696 | case 6: return saveKeys(filename); | |
1697 | break; | |
1698 | } | |
1699 | return 0; | |
1700 | } | |
1701 | ||
cee5a30d | 1702 | static command_t CommandTable[] = |
1703 | { | |
aa53efc3 | 1704 | {"help", CmdHelp, 1, "This help"}, |
4d68ec02 | 1705 | {"calcnewkey", CmdHFiClassCalcNewKey, 1, "[options..] Calc Diversified keys (blocks 3 & 4) to write new keys"}, |
1706 | {"clone", CmdHFiClassCloneTag, 0, "[options..] Authenticate and Clone from iClass bin file"}, | |
1707 | {"decrypt", CmdHFiClassDecrypt, 1, "[f <fname>] Decrypt tagdump" }, | |
1708 | {"dump", CmdHFiClassReader_Dump, 0, "[options..] Authenticate and Dump iClass tag's AA1"}, | |
1709 | {"eload", CmdHFiClassELoad, 0, "[f <fname>] (experimental) Load data into iClass emulator memory"}, | |
1710 | {"encryptblk", CmdHFiClassEncryptBlk, 1, "<BlockData> Encrypt given block data"}, | |
1711 | {"list", CmdHFiClassList, 0, " (Deprecated) List iClass history"}, | |
1712 | {"loclass", CmdHFiClass_loclass, 1, "[options..] Use loclass to perform bruteforce of reader attack dump"}, | |
1713 | {"managekeys", CmdHFiClassManageKeys, 1, "[options..] Manage the keys to use with iClass"}, | |
1714 | {"readblk", CmdHFiClass_ReadBlock, 0, "[options..] Authenticate and Read iClass block"}, | |
979c7655 | 1715 | {"reader", CmdHFiClassReader, 0, " Look for iClass tags until a key or the pm3 button is pressed"}, |
4d68ec02 | 1716 | {"readtagfile", CmdHFiClassReadTagFile, 1, "[options..] Display Content from tagfile"}, |
1717 | {"replay", CmdHFiClassReader_Replay, 0, "<mac> Read an iClass tag via Reply Attack"}, | |
1718 | {"sim", CmdHFiClassSim, 0, "[options..] Simulate iClass tag"}, | |
1719 | {"snoop", CmdHFiClassSnoop, 0, " Eavesdrop iClass communication"}, | |
1720 | {"writeblk", CmdHFiClass_WriteBlock, 0, "[options..] Authenticate and Write iClass block"}, | |
6f101995 | 1721 | {NULL, NULL, 0, NULL} |
cee5a30d | 1722 | }; |
1723 | ||
1724 | int CmdHFiClass(const char *Cmd) | |
1725 | { | |
53444513 MHS |
1726 | CmdsParse(CommandTable, Cmd); |
1727 | return 0; | |
cee5a30d | 1728 | } |
1729 | ||
1730 | int CmdHelp(const char *Cmd) | |
1731 | { | |
53444513 MHS |
1732 | CmdsHelp(CommandTable); |
1733 | return 0; | |
cee5a30d | 1734 | } |