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