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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> |
385c1a5e | 17 | #include <ctype.h> |
cee5a30d | 18 | #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type |
ad939de5 | 19 | #include "comms.h" |
cee5a30d | 20 | #include "ui.h" |
be09ea86 | 21 | #include "cliparser/cliparser.h" |
cee5a30d | 22 | #include "cmdparser.h" |
23 | #include "cmdhficlass.h" | |
24 | #include "common.h" | |
14006804 | 25 | #include "util.h" |
17cba269 | 26 | #include "cmdmain.h" |
e0991f6a | 27 | #include "mbedtls/des.h" |
a66fca86 AD |
28 | #include "loclass/cipherutils.h" |
29 | #include "loclass/cipher.h" | |
30 | #include "loclass/ikeys.h" | |
3ad48540 MHS |
31 | #include "loclass/elite_crack.h" |
32 | #include "loclass/fileutils.h" | |
1defcf60 | 33 | #include "protocols.h" |
caaf9618 | 34 | #include "usb_cmd.h" |
aa53efc3 | 35 | #include "cmdhfmfu.h" |
385c1a5e | 36 | #include "util_posix.h" |
4be9f36e | 37 | #include "cmdhf14a.h" // DropField() |
aa53efc3 | 38 | |
cee5a30d | 39 | |
aa53efc3 | 40 | #define ICLASS_KEYS_MAX 8 |
41 | static uint8_t iClass_Key_Table[ICLASS_KEYS_MAX][8] = { | |
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 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, | |
49 | { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 } | |
50 | }; | |
51 | ||
ece38ef3 | 52 | |
aa53efc3 | 53 | typedef struct iclass_block { |
ece38ef3 | 54 | uint8_t d[8]; |
aa53efc3 | 55 | } iclass_block_t; |
56 | ||
ece38ef3 | 57 | |
496bb4be | 58 | // iclass / picopass chip config structures and shared routines |
59 | typedef struct { | |
60 | uint8_t app_limit; //[8] | |
61 | uint8_t otp[2]; //[9-10] | |
62 | uint8_t block_writelock;//[11] | |
63 | uint8_t chip_config; //[12] | |
64 | uint8_t mem_config; //[13] | |
65 | uint8_t eas; //[14] | |
66 | uint8_t fuses; //[15] | |
67 | } picopass_conf_block; | |
68 | ||
69 | typedef struct { | |
70 | uint8_t csn[8]; | |
71 | picopass_conf_block conf; | |
72 | uint8_t epurse[8]; | |
73 | uint8_t key_d[8]; | |
74 | uint8_t key_c[8]; | |
75 | uint8_t app_issuer_area[8]; | |
76 | } picopass_hdr; | |
77 | ||
78 | ||
79 | static void fuse_config(const picopass_hdr *hdr) { | |
80 | uint8_t fuses = hdr->conf.fuses; | |
81 | ||
82 | if (fuses & FUSE_FPERS) | |
83 | PrintAndLog(" Mode: Personalization [Programmable]"); | |
84 | else | |
85 | PrintAndLog(" Mode: Application [Locked]"); | |
86 | ||
87 | if (fuses & FUSE_CODING1) | |
88 | PrintAndLog("Coding: RFU"); | |
89 | else { | |
90 | if (fuses & FUSE_CODING0) | |
91 | PrintAndLog("Coding: ISO 14443-2 B/ISO 15693"); | |
92 | else | |
93 | PrintAndLog("Coding: ISO 14443B only"); | |
94 | } | |
95 | if ((fuses & FUSE_CRYPT1) && (fuses & FUSE_CRYPT0)) PrintAndLog(" Crypt: Secured page, keys not locked"); | |
96 | if ((fuses & FUSE_CRYPT1) && !(fuses & FUSE_CRYPT0)) PrintAndLog(" Crypt: Secured page, keys locked"); | |
97 | if (!(fuses & FUSE_CRYPT1) && (fuses & FUSE_CRYPT0)) PrintAndLog(" Crypt: Non secured page"); | |
98 | if (!(fuses & FUSE_CRYPT1) && !(fuses & FUSE_CRYPT0)) PrintAndLog(" Crypt: No auth possible. Read only if RA is enabled"); | |
99 | ||
100 | if (fuses & FUSE_RA) | |
101 | PrintAndLog(" RA: Read access enabled"); | |
102 | else | |
103 | PrintAndLog(" RA: Read access not enabled"); | |
104 | } | |
105 | ||
106 | ||
107 | static void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *app_areas, uint8_t *kb) { | |
108 | // mem-bit 5, mem-bit 7, chip-bit 4: defines chip type | |
109 | if((chip_cfg & 0x10) && !(mem_cfg & 0x80) && !(mem_cfg & 0x20)) { | |
110 | *kb = 2; | |
111 | *app_areas = 2; | |
112 | *max_blk = 31; | |
113 | } else if((chip_cfg & 0x10) && (mem_cfg & 0x80) && !(mem_cfg & 0x20)) { | |
114 | *kb = 16; | |
115 | *app_areas = 2; | |
116 | *max_blk = 255; //16kb | |
117 | } else if(!(chip_cfg & 0x10) && !(mem_cfg & 0x80) && !(mem_cfg & 0x20)) { | |
118 | *kb = 16; | |
119 | *app_areas = 16; | |
120 | *max_blk = 255; //16kb | |
121 | } else if((chip_cfg & 0x10) && (mem_cfg & 0x80) && (mem_cfg & 0x20)) { | |
122 | *kb = 32; | |
123 | *app_areas = 3; | |
124 | *max_blk = 255; //16kb | |
125 | } else if(!(chip_cfg & 0x10) && !(mem_cfg & 0x80) && (mem_cfg & 0x20)) { | |
126 | *kb = 32; | |
127 | *app_areas = 17; | |
128 | *max_blk = 255; //16kb | |
129 | } else { | |
130 | *kb = 32; | |
131 | *app_areas = 2; | |
132 | *max_blk = 255; | |
133 | } | |
134 | } | |
135 | ||
136 | ||
137 | static void mem_app_config(const picopass_hdr *hdr) { | |
138 | uint8_t mem = hdr->conf.mem_config; | |
139 | uint8_t chip = hdr->conf.chip_config; | |
140 | uint8_t applimit = hdr->conf.app_limit; | |
141 | if (applimit < 6) applimit = 26; | |
142 | uint8_t kb = 2; | |
143 | uint8_t app_areas = 2; | |
144 | uint8_t max_blk = 31; | |
145 | getMemConfig(mem, chip, &max_blk, &app_areas, &kb); | |
146 | PrintAndLog(" Mem: %u KBits/%u App Areas (%u * 8 bytes) [%02X]", kb, app_areas, max_blk+1, mem); | |
147 | PrintAndLog(" AA1: blocks 06-%02X", applimit); | |
148 | PrintAndLog(" AA2: blocks %02X-%02X", applimit+1, max_blk); | |
149 | } | |
150 | ||
151 | ||
152 | static void printIclassDumpInfo(uint8_t* iclass_dump) { | |
153 | fuse_config((picopass_hdr*)iclass_dump); | |
154 | mem_app_config((picopass_hdr*)iclass_dump); | |
155 | } | |
156 | ||
157 | ||
ece38ef3 | 158 | static void usage_hf_iclass_chk(void) { |
159 | PrintAndLog("Checkkeys loads a dictionary text file with 8byte hex keys to test authenticating against a iClass tag"); | |
5e4932e8 | 160 | PrintAndLog("Usage: hf iclass chk [h|e|r] <f (*.dic)>"); |
385c1a5e I |
161 | PrintAndLog("Options:"); |
162 | PrintAndLog("h Show this help"); | |
163 | PrintAndLog("f <filename> Dictionary file with default iclass keys"); | |
5e4932e8 I |
164 | PrintAndLog(" e target Elite / High security key scheme"); |
165 | PrintAndLog(" r interpret dictionary file as raw (diversified keys)"); | |
166 | PrintAndLog("Samples:"); | |
ece38ef3 | 167 | PrintAndLog(" hf iclass chk f default_iclass_keys.dic"); |
168 | PrintAndLog(" hf iclass chk f default_iclass_keys.dic e"); | |
385c1a5e I |
169 | } |
170 | ||
17cba269 | 171 | |
ece38ef3 | 172 | static int CmdHFiClassList(const char *Cmd) { |
4c3de57a | 173 | PrintAndLog("Deprecated command, use 'hf list iclass' instead"); |
17cba269 MHS |
174 | return 0; |
175 | } | |
176 | ||
ece38ef3 | 177 | |
178 | static int CmdHFiClassSnoop(const char *Cmd) { | |
be09ea86 | 179 | |
180 | CLIParserInit("hf iclass snoop", "\nSnoop a communication between an iClass Reader and an iClass Tag.", NULL); | |
181 | void* argtable[] = { | |
182 | arg_param_begin, | |
cd028159 | 183 | arg_lit0("j", "jam", "Jam (prevent) e-purse Updates"), |
be09ea86 | 184 | arg_param_end |
185 | }; | |
186 | if (CLIParserParseString(Cmd, argtable, arg_getsize(argtable), true)){ | |
187 | CLIParserFree(); | |
188 | return 0; | |
189 | } | |
190 | ||
191 | bool jam_epurse_update = arg_get_lit(1); | |
192 | ||
193 | const uint8_t update_epurse_sequence[2] = {0x87, 0x02}; | |
194 | ||
195 | UsbCommand c = {CMD_SNOOP_ICLASS, {0}}; | |
196 | if (jam_epurse_update) { | |
197 | c.arg[0] = sizeof(update_epurse_sequence); | |
198 | memcpy(c.d.asBytes, update_epurse_sequence, sizeof(update_epurse_sequence)); | |
199 | } | |
53444513 | 200 | SendCommand(&c); |
be09ea86 | 201 | |
53444513 | 202 | return 0; |
cee5a30d | 203 | } |
4d68ec02 | 204 | |
ece38ef3 | 205 | |
206 | static void usage_hf_iclass_sim(void) { | |
41524d8a MHS |
207 | PrintAndLog("Usage: hf iclass sim <option> [CSN]"); |
208 | PrintAndLog(" options"); | |
209 | PrintAndLog(" 0 <CSN> simulate the given CSN"); | |
210 | PrintAndLog(" 1 simulate default CSN"); | |
211 | PrintAndLog(" 2 Reader-attack, gather reader responses to extract elite key"); | |
212 | PrintAndLog(" 3 Full simulation using emulator memory (see 'hf iclass eload')"); | |
213 | PrintAndLog(" example: hf iclass sim 0 031FEC8AF7FF12E0"); | |
214 | PrintAndLog(" example: hf iclass sim 2"); | |
215 | PrintAndLog(" example: hf iclass eload 'tagdump.bin'"); | |
216 | PrintAndLog(" hf iclass sim 3"); | |
41524d8a MHS |
217 | } |
218 | ||
ece38ef3 | 219 | |
5b12974a | 220 | // the original malicious IDs from Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult, |
221 | // and Milosch Meriac. Dismantling iClass and iClass Elite. | |
6116c796 | 222 | #define NUM_CSNS 15 |
5b12974a | 223 | static uint8_t csns[8 * NUM_CSNS] = { |
224 | 0x00, 0x0B, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0, | |
225 | 0x00, 0x04, 0x0E, 0x08, 0xF7, 0xFF, 0x12, 0xE0, | |
226 | 0x00, 0x09, 0x0D, 0x05, 0xF7, 0xFF, 0x12, 0xE0, | |
227 | 0x00, 0x0A, 0x0C, 0x06, 0xF7, 0xFF, 0x12, 0xE0, | |
228 | 0x00, 0x0F, 0x0B, 0x03, 0xF7, 0xFF, 0x12, 0xE0, | |
229 | 0x00, 0x08, 0x0A, 0x0C, 0xF7, 0xFF, 0x12, 0xE0, | |
230 | 0x00, 0x0D, 0x09, 0x09, 0xF7, 0xFF, 0x12, 0xE0, | |
231 | 0x00, 0x0E, 0x08, 0x0A, 0xF7, 0xFF, 0x12, 0xE0, | |
232 | 0x00, 0x03, 0x07, 0x17, 0xF7, 0xFF, 0x12, 0xE0, | |
233 | 0x00, 0x3C, 0x06, 0xE0, 0xF7, 0xFF, 0x12, 0xE0, | |
234 | 0x00, 0x01, 0x05, 0x1D, 0xF7, 0xFF, 0x12, 0xE0, | |
235 | 0x00, 0x02, 0x04, 0x1E, 0xF7, 0xFF, 0x12, 0xE0, | |
236 | 0x00, 0x07, 0x03, 0x1B, 0xF7, 0xFF, 0x12, 0xE0, | |
237 | 0x00, 0x00, 0x02, 0x24, 0xF7, 0xFF, 0x12, 0xE0, | |
238 | 0x00, 0x05, 0x01, 0x21, 0xF7, 0xFF, 0x12, 0xE0 }; | |
239 | ||
240 | ||
241 | // pre-defined 9 CSNs by iceman. | |
242 | // only one csn depend on several others. | |
243 | // six depends only on the first csn, (0,1, 0x45) | |
244 | ||
245 | // #define NUM_CSNS 9 | |
246 | // static uint8_t csns[8 * NUM_CSNS] = { | |
ece38ef3 | 247 | // 0x01, 0x0A, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0, |
248 | // 0x0C, 0x06, 0x0C, 0xFE, 0xF7, 0xFF, 0x12, 0xE0, | |
249 | // 0x10, 0x97, 0x83, 0x7B, 0xF7, 0xFF, 0x12, 0xE0, | |
250 | // 0x13, 0x97, 0x82, 0x7A, 0xF7, 0xFF, 0x12, 0xE0, | |
251 | // 0x07, 0x0E, 0x0D, 0xF9, 0xF7, 0xFF, 0x12, 0xE0, | |
252 | // 0x14, 0x96, 0x84, 0x76, 0xF7, 0xFF, 0x12, 0xE0, | |
253 | // 0x17, 0x96, 0x85, 0x71, 0xF7, 0xFF, 0x12, 0xE0, | |
254 | // 0xCE, 0xC5, 0x0F, 0x77, 0xF7, 0xFF, 0x12, 0xE0, | |
255 | // 0xD2, 0x5A, 0x82, 0xF8, 0xF7, 0xFF, 0x12, 0xE0 | |
256 | // //0x04, 0x08, 0x9F, 0x78, 0x6E, 0xFF, 0x12, 0xE0 | |
5b12974a | 257 | // }; |
258 | ||
259 | ||
ece38ef3 | 260 | static int CmdHFiClassSim(const char *Cmd) { |
53444513 MHS |
261 | uint8_t simType = 0; |
262 | uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0}; | |
263 | ||
e49d31c0 | 264 | if (strlen(Cmd) < 1) { |
ece38ef3 | 265 | usage_hf_iclass_sim(); |
266 | return 0; | |
53444513 | 267 | } |
1defcf60 | 268 | simType = param_get8ex(Cmd, 0, 0, 10); |
53444513 | 269 | |
0ab9002f | 270 | if (simType == ICLASS_SIM_MODE_CSN) { |
53444513 MHS |
271 | if (param_gethex(Cmd, 1, CSN, 16)) { |
272 | PrintAndLog("A CSN should consist of 16 HEX symbols"); | |
ece38ef3 | 273 | usage_hf_iclass_sim(); |
274 | return 0; | |
53444513 | 275 | } |
41524d8a | 276 | PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8)); |
53444513 | 277 | } |
1e262141 | 278 | |
0ab9002f | 279 | if (simType == ICLASS_SIM_MODE_READER_ATTACK) { |
280 | UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType, NUM_CSNS}}; | |
9f6e9d15 | 281 | UsbCommand resp = {0}; |
17cba269 | 282 | |
0ab9002f | 283 | memcpy(c.d.asBytes, csns, 8 * NUM_CSNS); |
9f6e9d15 MHS |
284 | |
285 | SendCommand(&c); | |
286 | if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) { | |
287 | PrintAndLog("Command timed out"); | |
288 | return 0; | |
289 | } | |
1e262141 | 290 | |
77abe781 | 291 | uint8_t num_mac_responses = resp.arg[1]; |
0ab9002f | 292 | PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses, NUM_CSNS); |
9f6e9d15 | 293 | |
0ab9002f | 294 | size_t datalen = NUM_CSNS * 24; |
9f6e9d15 MHS |
295 | /* |
296 | * Now, time to dump to file. We'll use this format: | |
77abe781 | 297 | * <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>.... |
9f6e9d15 | 298 | * So, it should wind up as |
77abe781 MHS |
299 | * 8 * 24 bytes. |
300 | * | |
301 | * The returndata from the pm3 is on the following format | |
0ab9002f | 302 | * <8 byte CC><4 byte NR><4 byte MAC> |
303 | * CSN is the same as was sent in | |
9f6e9d15 | 304 | **/ |
77abe781 | 305 | void* dump = malloc(datalen); |
0ab9002f | 306 | for(int i = 0; i < NUM_CSNS; i++) { |
307 | memcpy(dump + i*24, csns+i*8, 8); //CSN | |
ece38ef3 | 308 | //copy CC from response |
309 | memcpy(dump + i*24 + 8, resp.d.asBytes + i*16, 8); | |
77abe781 | 310 | //Then comes NR_MAC (eight bytes from the response) |
0ab9002f | 311 | memcpy(dump + i*24 + 16, resp.d.asBytes + i*16 + 8, 8); |
9f6e9d15 MHS |
312 | } |
313 | /** Now, save to dumpfile **/ | |
77abe781 MHS |
314 | saveFile("iclass_mac_attack", "bin", dump,datalen); |
315 | free(dump); | |
0ab9002f | 316 | |
e49d31c0 | 317 | } else if (simType == ICLASS_SIM_MODE_CSN || simType == ICLASS_SIM_MODE_CSN_DEFAULT || simType == ICLASS_SIM_MODE_FULL) { |
318 | UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType, 0}}; | |
9f6e9d15 MHS |
319 | memcpy(c.d.asBytes, CSN, 8); |
320 | SendCommand(&c); | |
0ab9002f | 321 | |
322 | } else { | |
323 | PrintAndLog("Undefined simtype %d", simType); | |
ece38ef3 | 324 | usage_hf_iclass_sim(); |
325 | return 0; | |
9f6e9d15 | 326 | } |
1e262141 | 327 | |
53444513 | 328 | return 0; |
1e262141 | 329 | } |
330 | ||
ece38ef3 | 331 | |
496bb4be | 332 | int HFiClassReader(bool loop, bool verbose) { |
333 | ||
6ce0e538 | 334 | bool tagFound = false; |
496bb4be | 335 | UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_INIT | FLAG_ICLASS_READER_CLEARTRACE | FLAG_ICLASS_READER_CSN | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_CC | FLAG_ICLASS_READER_AA} }; |
53444513 | 336 | UsbCommand resp; |
496bb4be | 337 | |
338 | while (!ukbhit()) { | |
aa53efc3 | 339 | SendCommand(&c); |
6ce0e538 | 340 | if (WaitForResponseTimeout(CMD_ACK,&resp, 4500)) { |
341 | uint8_t readStatus = resp.arg[0] & 0xff; | |
342 | uint8_t *data = resp.d.asBytes; | |
53444513 | 343 | |
496bb4be | 344 | // no tag found |
345 | if (readStatus == 0 && !loop) { | |
979c7655 | 346 | // abort |
347 | if (verbose) PrintAndLog("Quitting..."); | |
496bb4be | 348 | DropField(); |
979c7655 | 349 | return 0; |
350 | } | |
34e2af02 | 351 | |
496bb4be | 352 | if (readStatus & FLAG_ICLASS_READER_CSN) { |
67e344df | 353 | PrintAndLog(" CSN: %s",sprint_hex(data,8)); |
6ce0e538 | 354 | tagFound = true; |
355 | } | |
496bb4be | 356 | if (readStatus & FLAG_ICLASS_READER_CC) { |
34e2af02 | 357 | PrintAndLog(" CC: %s",sprint_hex(data+16,8)); |
358 | } | |
496bb4be | 359 | if (readStatus & FLAG_ICLASS_READER_CONF) { |
caaf9618 | 360 | printIclassDumpInfo(data); |
53444513 | 361 | } |
67e344df | 362 | if (readStatus & FLAG_ICLASS_READER_AA) { |
363 | bool legacy = true; | |
34e2af02 | 364 | PrintAndLog(" AppIA: %s",sprint_hex(data+8*5,8)); |
67e344df | 365 | for (int i = 0; i<8; i++) { |
34e2af02 | 366 | if (data[8*5+i] != 0xFF) { |
67e344df | 367 | legacy = false; |
ece38ef3 | 368 | } |
67e344df | 369 | } |
370 | PrintAndLog(" : Possible iClass %s",(legacy) ? "(legacy tag)" : "(NOT legacy tag)"); | |
371 | } | |
372 | ||
6ce0e538 | 373 | if (tagFound && !loop) return 1; |
53444513 | 374 | } else { |
6ce0e538 | 375 | if (verbose) PrintAndLog("Command execute timeout"); |
53444513 | 376 | } |
6ce0e538 | 377 | if (!loop) break; |
53444513 | 378 | } |
496bb4be | 379 | |
380 | DropField(); | |
53444513 | 381 | return 0; |
6ce0e538 | 382 | } |
383 | ||
ece38ef3 | 384 | |
496bb4be | 385 | static void usage_hf_iclass_reader(void) { |
386 | PrintAndLogEx(NORMAL, "Act as a Iclass reader. Look for iClass tags until Enter or the pm3 button is pressed\n"); | |
387 | PrintAndLogEx(NORMAL, "Usage: hf iclass reader [h] [1]\n"); | |
388 | PrintAndLogEx(NORMAL, "Options:"); | |
389 | PrintAndLogEx(NORMAL, " h This help text"); | |
390 | PrintAndLogEx(NORMAL, " 1 read only 1 tag"); | |
391 | PrintAndLogEx(NORMAL, "Examples:"); | |
392 | PrintAndLogEx(NORMAL, " hf iclass reader 1"); | |
393 | } | |
394 | ||
395 | ||
ece38ef3 | 396 | static int CmdHFiClassReader(const char *Cmd) { |
496bb4be | 397 | char cmdp = tolower(param_getchar(Cmd, 0)); |
398 | if (cmdp == 'h') { | |
399 | usage_hf_iclass_reader(); | |
400 | return 0; | |
401 | } | |
402 | bool findone = (cmdp == '1') ? false : true; | |
403 | return HFiClassReader(findone, true); | |
c3963755 | 404 | } |
405 | ||
ece38ef3 | 406 | |
407 | static int CmdHFiClassReader_Replay(const char *Cmd) { | |
53444513 MHS |
408 | uint8_t readerType = 0; |
409 | uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00}; | |
c3963755 | 410 | |
53444513 MHS |
411 | if (strlen(Cmd)<1) { |
412 | PrintAndLog("Usage: hf iclass replay <MAC>"); | |
413 | PrintAndLog(" sample: hf iclass replay 00112233"); | |
414 | return 0; | |
415 | } | |
c3963755 | 416 | |
53444513 MHS |
417 | if (param_gethex(Cmd, 0, MAC, 8)) { |
418 | PrintAndLog("MAC must include 8 HEX symbols"); | |
419 | return 1; | |
420 | } | |
c3963755 | 421 | |
53444513 MHS |
422 | UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}}; |
423 | memcpy(c.d.asBytes, MAC, 4); | |
424 | SendCommand(&c); | |
1e262141 | 425 | |
53444513 | 426 | return 0; |
1e262141 | 427 | } |
428 | ||
4d68ec02 | 429 | |
ece38ef3 | 430 | static void usage_hf_iclass_eload(void) { |
7781a656 MHS |
431 | PrintAndLog("Loads iclass tag-dump into emulator memory on device"); |
432 | PrintAndLog("Usage: hf iclass eload f <filename>"); | |
433 | PrintAndLog(""); | |
434 | PrintAndLog("Example: hf iclass eload f iclass_tagdump-aa162d30f8ff12f1.bin"); | |
7781a656 MHS |
435 | } |
436 | ||
ece38ef3 | 437 | |
438 | static int CmdHFiClassELoad(const char *Cmd) { | |
7781a656 MHS |
439 | |
440 | char opt = param_getchar(Cmd, 0); | |
ece38ef3 | 441 | if (strlen(Cmd)<1 || opt == 'h') { |
442 | usage_hf_iclass_eload(); | |
443 | return 0; | |
444 | } | |
7781a656 MHS |
445 | |
446 | //File handling and reading | |
447 | FILE *f; | |
448 | char filename[FILE_PATH_SIZE]; | |
26d0156a | 449 | if (opt == 'f' && param_getstr(Cmd, 1, filename, sizeof(filename)) > 0) { |
7781a656 | 450 | f = fopen(filename, "rb"); |
26d0156a | 451 | } else { |
ece38ef3 | 452 | usage_hf_iclass_eload(); |
453 | return 0; | |
7781a656 MHS |
454 | } |
455 | ||
26d0156a | 456 | if (!f) { |
7781a656 MHS |
457 | PrintAndLog("Failed to read from file '%s'", filename); |
458 | return 1; | |
459 | } | |
460 | ||
461 | fseek(f, 0, SEEK_END); | |
462 | long fsize = ftell(f); | |
463 | fseek(f, 0, SEEK_SET); | |
464 | ||
7a616c0d | 465 | if (fsize < 0) { |
466 | PrintAndLog("Error, when getting filesize"); | |
eb5b63b4 | 467 | fclose(f); |
7a616c0d | 468 | return 1; |
469 | } | |
1defcf60 | 470 | |
7a616c0d | 471 | uint8_t *dump = malloc(fsize); |
1defcf60 | 472 | |
7781a656 MHS |
473 | size_t bytes_read = fread(dump, 1, fsize, f); |
474 | fclose(f); | |
475 | ||
1defcf60 | 476 | printIclassDumpInfo(dump); |
7781a656 MHS |
477 | //Validate |
478 | ||
ece38ef3 | 479 | if (bytes_read < fsize) { |
7781a656 MHS |
480 | prnlog("Error, could only read %d bytes (should be %d)",bytes_read, fsize ); |
481 | free(dump); | |
482 | return 1; | |
483 | } | |
484 | //Send to device | |
485 | uint32_t bytes_sent = 0; | |
486 | uint32_t bytes_remaining = bytes_read; | |
487 | ||
26d0156a | 488 | while (bytes_remaining > 0) { |
7781a656 MHS |
489 | uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining); |
490 | UsbCommand c = {CMD_ICLASS_EML_MEMSET, {bytes_sent,bytes_in_packet,0}}; | |
26d0156a | 491 | memcpy(c.d.asBytes, dump+bytes_sent, bytes_in_packet); |
7781a656 MHS |
492 | SendCommand(&c); |
493 | bytes_remaining -= bytes_in_packet; | |
494 | bytes_sent += bytes_in_packet; | |
495 | } | |
496 | free(dump); | |
497 | PrintAndLog("Sent %d bytes of data to device emulator memory", bytes_sent); | |
498 | return 0; | |
499 | } | |
500 | ||
ece38ef3 | 501 | |
4d68ec02 | 502 | static int readKeyfile(const char *filename, size_t len, uint8_t* buffer) { |
41524d8a MHS |
503 | FILE *f = fopen(filename, "rb"); |
504 | if(!f) { | |
505 | PrintAndLog("Failed to read from file '%s'", filename); | |
506 | return 1; | |
507 | } | |
508 | fseek(f, 0, SEEK_END); | |
509 | long fsize = ftell(f); | |
510 | fseek(f, 0, SEEK_SET); | |
511 | size_t bytes_read = fread(buffer, 1, len, f); | |
512 | fclose(f); | |
513 | if(fsize != len) | |
514 | { | |
515 | PrintAndLog("Warning, file size is %d, expected %d", fsize, len); | |
516 | return 1; | |
517 | } | |
518 | if(bytes_read != len) | |
519 | { | |
520 | PrintAndLog("Warning, could only read %d bytes, expected %d" ,bytes_read, len); | |
521 | return 1; | |
522 | } | |
523 | return 0; | |
524 | } | |
525 | ||
ece38ef3 | 526 | |
527 | static void usage_hf_iclass_decrypt(void) { | |
4d68ec02 | 528 | PrintAndLog("Usage: hf iclass decrypt f <tagdump>"); |
aa53efc3 | 529 | PrintAndLog(""); |
530 | PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside"); | |
531 | PrintAndLog("in the working directory. The file should be 16 bytes binary data"); | |
532 | PrintAndLog(""); | |
533 | PrintAndLog("example: hf iclass decrypt f tagdump_12312342343.bin"); | |
534 | PrintAndLog(""); | |
535 | PrintAndLog("OBS! This is pretty stupid implementation, it tries to decrypt every block after block 6. "); | |
536 | PrintAndLog("Correct behaviour would be to decrypt only the application areas where the key is valid,"); | |
537 | PrintAndLog("which is defined by the configuration block."); | |
aa53efc3 | 538 | } |
539 | ||
ece38ef3 | 540 | |
541 | static int CmdHFiClassDecrypt(const char *Cmd) { | |
41524d8a MHS |
542 | uint8_t key[16] = { 0 }; |
543 | if(readKeyfile("iclass_decryptionkey.bin", 16, key)) | |
544 | { | |
545 | usage_hf_iclass_decrypt(); | |
546 | return 1; | |
547 | } | |
548 | PrintAndLog("Decryption file found... "); | |
549 | char opt = param_getchar(Cmd, 0); | |
ece38ef3 | 550 | if (strlen(Cmd)<1 || opt == 'h') { |
551 | usage_hf_iclass_decrypt(); | |
552 | return 0; | |
553 | } | |
41524d8a MHS |
554 | |
555 | //Open the tagdump-file | |
556 | FILE *f; | |
557 | char filename[FILE_PATH_SIZE]; | |
874572d4 | 558 | if(opt == 'f' && param_getstr(Cmd, 1, filename, sizeof(filename)) > 0) { |
41524d8a | 559 | f = fopen(filename, "rb"); |
165e0775 | 560 | if ( f == NULL ) { |
561 | PrintAndLog("Could not find file %s", filename); | |
562 | return 1; | |
563 | } | |
564 | } else { | |
ece38ef3 | 565 | usage_hf_iclass_decrypt(); |
566 | return 0; | |
41524d8a MHS |
567 | } |
568 | ||
569 | fseek(f, 0, SEEK_END); | |
570 | long fsize = ftell(f); | |
571 | fseek(f, 0, SEEK_SET); | |
572 | uint8_t enc_dump[8] = {0}; | |
573 | uint8_t *decrypted = malloc(fsize); | |
aa0b1c43 | 574 | mbedtls_des3_context ctx = { {0} }; |
e0991f6a | 575 | mbedtls_des3_set2key_dec( &ctx, key); |
41524d8a MHS |
576 | size_t bytes_read = fread(enc_dump, 1, 8, f); |
577 | ||
578 | //Use the first block (CSN) for filename | |
579 | char outfilename[FILE_PATH_SIZE] = { 0 }; | |
580 | snprintf(outfilename,FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x-decrypted", | |
581 | enc_dump[0],enc_dump[1],enc_dump[2],enc_dump[3], | |
582 | enc_dump[4],enc_dump[5],enc_dump[6],enc_dump[7]); | |
583 | ||
584 | size_t blocknum =0; | |
585 | while(bytes_read == 8) | |
586 | { | |
9a9bcea8 | 587 | if(blocknum < 7) |
41524d8a MHS |
588 | { |
589 | memcpy(decrypted+(blocknum*8), enc_dump, 8); | |
590 | }else{ | |
e0991f6a | 591 | mbedtls_des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) ); |
41524d8a MHS |
592 | } |
593 | printvar("decrypted block", decrypted +(blocknum*8), 8); | |
594 | bytes_read = fread(enc_dump, 1, 8, f); | |
595 | blocknum++; | |
596 | } | |
597 | fclose(f); | |
598 | ||
599 | saveFile(outfilename,"bin", decrypted, blocknum*8); | |
c4c3af7c | 600 | free(decrypted); |
41524d8a MHS |
601 | return 0; |
602 | } | |
7781a656 | 603 | |
ece38ef3 | 604 | |
605 | static void usage_hf_iclass_encrypt(void) { | |
aa53efc3 | 606 | PrintAndLog("Usage: hf iclass encrypt <BlockData>"); |
607 | PrintAndLog(""); | |
608 | PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside"); | |
609 | PrintAndLog("in the working directory. The file should be 16 bytes binary data"); | |
610 | PrintAndLog(""); | |
611 | PrintAndLog("example: hf iclass encrypt 0102030405060708"); | |
612 | PrintAndLog(""); | |
aa53efc3 | 613 | } |
614 | ||
ece38ef3 | 615 | |
4d68ec02 | 616 | static int iClassEncryptBlkData(uint8_t *blkData) { |
aa53efc3 | 617 | uint8_t key[16] = { 0 }; |
618 | if(readKeyfile("iclass_decryptionkey.bin", 16, key)) | |
619 | { | |
620 | usage_hf_iclass_encrypt(); | |
621 | return 1; | |
622 | } | |
623 | PrintAndLog("Decryption file found... "); | |
53444513 | 624 | |
4d68ec02 | 625 | uint8_t encryptedData[16]; |
626 | uint8_t *encrypted = encryptedData; | |
aa0b1c43 | 627 | mbedtls_des3_context ctx = { {0} }; |
e0991f6a | 628 | mbedtls_des3_set2key_enc( &ctx, key); |
ece38ef3 | 629 | |
e0991f6a | 630 | mbedtls_des3_crypt_ecb(&ctx, blkData,encrypted); |
aa53efc3 | 631 | //printvar("decrypted block", decrypted, 8); |
4d68ec02 | 632 | memcpy(blkData,encrypted,8); |
aa53efc3 | 633 | |
634 | return 1; | |
635 | } | |
636 | ||
ece38ef3 | 637 | |
638 | static int CmdHFiClassEncryptBlk(const char *Cmd) { | |
aa53efc3 | 639 | uint8_t blkData[8] = {0}; |
640 | char opt = param_getchar(Cmd, 0); | |
ece38ef3 | 641 | if (strlen(Cmd)<1 || opt == 'h') { |
642 | usage_hf_iclass_encrypt(); | |
643 | return 0; | |
644 | } | |
aa53efc3 | 645 | //get the bytes to encrypt |
ece38ef3 | 646 | if (param_gethex(Cmd, 0, blkData, 16)) { |
aa53efc3 | 647 | PrintAndLog("BlockData must include 16 HEX symbols"); |
53444513 MHS |
648 | return 0; |
649 | } | |
aa53efc3 | 650 | if (!iClassEncryptBlkData(blkData)) return 0; |
aa53efc3 | 651 | printvar("encrypted block", blkData, 8); |
652 | return 1; | |
653 | } | |
53444513 | 654 | |
ece38ef3 | 655 | |
656 | static void Calc_wb_mac(uint8_t blockno, uint8_t *data, uint8_t *div_key, uint8_t MAC[4]) { | |
aa53efc3 | 657 | uint8_t WB[9]; |
658 | WB[0] = blockno; | |
496bb4be | 659 | memcpy(WB+1, data, 8); |
660 | doMAC_N(WB, sizeof(WB), div_key, MAC); | |
aa53efc3 | 661 | //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]); |
662 | } | |
53444513 | 663 | |
ece38ef3 | 664 | |
496bb4be | 665 | static bool iClass_select(uint8_t *CSN, bool verbose, bool cleartrace, bool init) { |
53444513 | 666 | |
496bb4be | 667 | UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN}}; |
668 | if (init) c.arg[0] |= FLAG_ICLASS_READER_INIT; | |
669 | if (cleartrace) c.arg[0] |= FLAG_ICLASS_READER_CLEARTRACE; | |
53444513 | 670 | |
496bb4be | 671 | UsbCommand resp; |
aa53efc3 | 672 | clearCommandBuffer(); |
673 | SendCommand(&c); | |
ece38ef3 | 674 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { |
53444513 | 675 | PrintAndLog("Command execute timeout"); |
aa53efc3 | 676 | return false; |
53444513 MHS |
677 | } |
678 | ||
aa53efc3 | 679 | uint8_t isOK = resp.arg[0] & 0xff; |
680 | uint8_t *data = resp.d.asBytes; | |
53444513 | 681 | |
496bb4be | 682 | if (isOK & FLAG_ICLASS_READER_CSN) { |
683 | memcpy(CSN, data, 8); | |
ece38ef3 | 684 | if (verbose) PrintAndLog("CSN: %s", sprint_hex(CSN, 8)); |
685 | } else { | |
686 | PrintAndLog("Failed to select card! Aborting"); | |
aa53efc3 | 687 | return false; |
688 | } | |
ece38ef3 | 689 | return true; |
a66fca86 | 690 | } |
6f101995 | 691 | |
ece38ef3 | 692 | |
693 | static void HFiClassCalcDivKey(uint8_t *CSN, uint8_t *KEY, uint8_t *div_key, bool elite){ | |
694 | uint8_t keytable[128] = {0}; | |
695 | uint8_t key_index[8] = {0}; | |
696 | if (elite) { | |
697 | uint8_t key_sel[8] = { 0 }; | |
698 | uint8_t key_sel_p[8] = { 0 }; | |
699 | hash2(KEY, keytable); | |
700 | hash1(CSN, key_index); | |
701 | for(uint8_t i = 0; i < 8 ; i++) | |
702 | key_sel[i] = keytable[key_index[i]] & 0xFF; | |
703 | ||
704 | //Permute from iclass format to standard format | |
705 | permutekey_rev(key_sel, key_sel_p); | |
706 | diversifyKey(CSN, key_sel_p, div_key); | |
707 | } else { | |
708 | diversifyKey(CSN, KEY, div_key); | |
709 | } | |
710 | } | |
711 | ||
712 | ||
496bb4be | 713 | static bool iClass_authenticate(uint8_t *CSN, uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool rawkey, bool verbose) { |
aa53efc3 | 714 | |
4d68ec02 | 715 | //get div_key |
ece38ef3 | 716 | if (rawkey) |
bc37cfb3 AL |
717 | memcpy(div_key, KEY, 8); |
718 | else | |
719 | HFiClassCalcDivKey(CSN, KEY, div_key, elite); | |
4d68ec02 | 720 | |
ece38ef3 | 721 | if (verbose) PrintAndLog("Authenticating with %s: %s", rawkey ? "raw key" : "diversified key", sprint_hex(div_key, 8)); |
722 | ||
aa53efc3 | 723 | UsbCommand resp; |
ece38ef3 | 724 | UsbCommand d = {CMD_ICLASS_READCHECK, {2, use_credit_key, 0}}; |
725 | ||
726 | clearCommandBuffer(); | |
727 | SendCommand(&d); | |
728 | ||
729 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { | |
730 | if (verbose) PrintAndLog("Auth Command (READCHECK[2]) execute timeout"); | |
731 | return false; | |
732 | } | |
733 | bool isOK = resp.arg[0]; | |
734 | if (!isOK) { | |
735 | if (verbose) PrintAndLog("Couldn't get Card Challenge"); | |
736 | return false; | |
737 | } | |
496bb4be | 738 | |
739 | uint8_t CCNR[12]; | |
ece38ef3 | 740 | memcpy(CCNR, resp.d.asBytes, 8); |
496bb4be | 741 | memset(CCNR+8, 0x00, 4); // NR = {0, 0, 0, 0} |
ece38ef3 | 742 | |
743 | doMAC(CCNR, div_key, MAC); | |
744 | ||
745 | d.cmd = CMD_ICLASS_CHECK; | |
aa53efc3 | 746 | memcpy(d.d.asBytes, MAC, 4); |
747 | clearCommandBuffer(); | |
748 | SendCommand(&d); | |
ece38ef3 | 749 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { |
750 | if (verbose) PrintAndLog("Auth Command (CHECK) execute timeout"); | |
aa53efc3 | 751 | return false; |
752 | } | |
ece38ef3 | 753 | isOK = resp.arg[0]; |
aa53efc3 | 754 | if (!isOK) { |
385c1a5e | 755 | if (verbose) PrintAndLog("Authentication error"); |
aa53efc3 | 756 | return false; |
757 | } | |
758 | return true; | |
759 | } | |
760 | ||
ece38ef3 | 761 | |
762 | static void usage_hf_iclass_dump(void) { | |
bc37cfb3 | 763 | PrintAndLog("Usage: hf iclass dump f <fileName> k <Key> c <CreditKey> e|r\n"); |
aa53efc3 | 764 | PrintAndLog("Options:"); |
765 | PrintAndLog(" f <filename> : specify a filename to save dump to"); | |
766 | PrintAndLog(" k <Key> : *Access Key as 16 hex symbols or 1 hex to select key from memory"); | |
767 | PrintAndLog(" c <CreditKey>: Credit Key as 16 hex symbols or 1 hex to select key from memory"); | |
768 | PrintAndLog(" e : If 'e' is specified, the key is interpreted as the 16 byte"); | |
769 | PrintAndLog(" Custom Key (KCus), which can be obtained via reader-attack"); | |
770 | PrintAndLog(" See 'hf iclass sim 2'. This key should be on iclass-format"); | |
bc37cfb3 | 771 | PrintAndLog(" r : If 'r' is specified, the key is interpreted as raw block 3/4"); |
aa53efc3 | 772 | PrintAndLog(" NOTE: * = required"); |
ece38ef3 | 773 | PrintAndLog("Samples:"); |
aa53efc3 | 774 | PrintAndLog(" hf iclass dump k 001122334455667B"); |
775 | PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA c 001122334455667B"); | |
776 | PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA e"); | |
aa53efc3 | 777 | } |
778 | ||
ece38ef3 | 779 | |
780 | static void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize) { | |
781 | uint8_t mem_config; | |
782 | memcpy(&mem_config, iclass_dump + 13,1); | |
783 | uint8_t maxmemcount; | |
784 | uint8_t filemaxblock = filesize / 8; | |
785 | if (mem_config & 0x80) | |
786 | maxmemcount = 255; | |
787 | else | |
788 | maxmemcount = 31; | |
789 | //PrintAndLog ("endblock: %d, filesize: %d, maxmemcount: %d, filemaxblock: %d", endblock,filesize, maxmemcount, filemaxblock); | |
790 | ||
791 | if (startblock == 0) | |
792 | startblock = 6; | |
793 | if ((endblock > maxmemcount) || (endblock == 0)) | |
794 | endblock = maxmemcount; | |
795 | ||
796 | // remember endblock need to relate to zero-index arrays. | |
797 | if (endblock > filemaxblock-1) | |
798 | endblock = filemaxblock; | |
799 | ||
800 | int i = startblock; | |
801 | printf("------+--+-------------------------+\n"); | |
802 | while (i <= endblock) { | |
803 | uint8_t *blk = iclass_dump + (i * 8); | |
804 | printf("Block |%02X| %s|\n", i, sprint_hex(blk, 8) ); | |
805 | i++; | |
806 | } | |
807 | printf("------+--+-------------------------+\n"); | |
808 | } | |
809 | ||
810 | ||
811 | static int CmdHFiClassReader_Dump(const char *Cmd) { | |
aa53efc3 | 812 | |
813 | uint8_t MAC[4] = {0x00,0x00,0x00,0x00}; | |
814 | uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
815 | uint8_t c_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
816 | uint8_t blockno = 0; | |
496bb4be | 817 | uint8_t AA1_maxBlk = 0; |
4d68ec02 | 818 | uint8_t maxBlk = 31; |
bbd19bec | 819 | uint8_t app_areas = 1; |
b82d8098 | 820 | uint8_t kb = 2; |
aa53efc3 | 821 | uint8_t KEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
822 | uint8_t CreditKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
823 | uint8_t keyNbr = 0; | |
824 | uint8_t dataLen = 0; | |
825 | uint8_t fileNameLen = 0; | |
826 | char filename[FILE_PATH_SIZE]={0}; | |
827 | char tempStr[50] = {0}; | |
4d68ec02 | 828 | bool have_debit_key = false; |
aa53efc3 | 829 | bool have_credit_key = false; |
4d68ec02 | 830 | bool use_credit_key = false; |
aa53efc3 | 831 | bool elite = false; |
bc37cfb3 | 832 | bool rawkey = false; |
aa53efc3 | 833 | bool errors = false; |
496bb4be | 834 | bool verbose = false; |
aa53efc3 | 835 | uint8_t cmdp = 0; |
836 | ||
496bb4be | 837 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { |
838 | switch(param_getchar(Cmd, cmdp)) { | |
839 | case 'h': | |
840 | case 'H': | |
841 | usage_hf_iclass_dump(); | |
842 | return 0; | |
843 | case 'c': | |
844 | case 'C': | |
845 | have_credit_key = true; | |
846 | dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr)); | |
847 | if (dataLen == 16) { | |
848 | errors = param_gethex(tempStr, 0, CreditKEY, dataLen); | |
849 | } else if (dataLen == 1) { | |
850 | keyNbr = param_get8(Cmd, cmdp+1); | |
851 | if (keyNbr < ICLASS_KEYS_MAX) { | |
852 | memcpy(CreditKEY, iClass_Key_Table[keyNbr], 8); | |
853 | } else { | |
854 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
855 | errors = true; | |
856 | } | |
aa53efc3 | 857 | } else { |
496bb4be | 858 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); |
aa53efc3 | 859 | errors = true; |
860 | } | |
496bb4be | 861 | cmdp += 2; |
862 | break; | |
863 | case 'e': | |
864 | case 'E': | |
865 | elite = true; | |
866 | cmdp++; | |
867 | break; | |
868 | case 'f': | |
869 | case 'F': | |
870 | fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename)); | |
871 | if (fileNameLen < 1) { | |
872 | PrintAndLog("No filename found after f"); | |
873 | errors = true; | |
874 | } | |
875 | cmdp += 2; | |
876 | break; | |
877 | case 'k': | |
878 | case 'K': | |
879 | have_debit_key = true; | |
880 | dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr)); | |
881 | if (dataLen == 16) { | |
882 | errors = param_gethex(tempStr, 0, KEY, dataLen); | |
883 | } else if (dataLen == 1) { | |
884 | keyNbr = param_get8(Cmd, cmdp+1); | |
885 | if (keyNbr < ICLASS_KEYS_MAX) { | |
886 | memcpy(KEY, iClass_Key_Table[keyNbr], 8); | |
887 | } else { | |
888 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
889 | errors = true; | |
890 | } | |
aa53efc3 | 891 | } else { |
496bb4be | 892 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); |
aa53efc3 | 893 | errors = true; |
894 | } | |
496bb4be | 895 | cmdp += 2; |
896 | break; | |
897 | case 'r': | |
898 | case 'R': | |
899 | rawkey = true; | |
900 | cmdp++; | |
901 | break; | |
902 | case 'v': | |
903 | case 'V': | |
904 | verbose = true; | |
905 | cmdp++; | |
906 | break; | |
907 | default: | |
908 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
aa53efc3 | 909 | errors = true; |
496bb4be | 910 | break; |
ece38ef3 | 911 | } |
aa53efc3 | 912 | } |
913 | ||
496bb4be | 914 | if (errors || cmdp < 2) { |
ece38ef3 | 915 | usage_hf_iclass_dump(); |
916 | return 0; | |
917 | } | |
aa53efc3 | 918 | |
496bb4be | 919 | // if only credit key is given: try for AA1 as well (not for iclass but for some picopass this will work) |
920 | if (!have_debit_key && have_credit_key) { | |
921 | use_credit_key = true; | |
922 | memcpy(KEY, CreditKEY, 8); | |
923 | } | |
924 | ||
925 | // clear trace and get first 3 blocks | |
926 | UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_INIT | FLAG_ICLASS_READER_CLEARTRACE | FLAG_ICLASS_READER_CSN | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_CC}}; | |
aa53efc3 | 927 | UsbCommand resp; |
496bb4be | 928 | uint8_t tag_data[256*8]; |
4d68ec02 | 929 | |
aa53efc3 | 930 | clearCommandBuffer(); |
931 | SendCommand(&c); | |
4d68ec02 | 932 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { |
aa53efc3 | 933 | PrintAndLog("Command execute timeout"); |
872337e0 | 934 | DropField(); |
aa53efc3 | 935 | return 0; |
936 | } | |
496bb4be | 937 | |
4d68ec02 | 938 | uint8_t readStatus = resp.arg[0] & 0xff; |
939 | uint8_t *data = resp.d.asBytes; | |
496bb4be | 940 | uint8_t status_mask = FLAG_ICLASS_READER_CSN | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_CC; |
4d68ec02 | 941 | |
496bb4be | 942 | if (readStatus != status_mask) { |
943 | PrintAndLog("No tag found ..."); | |
4d68ec02 | 944 | return 0; |
496bb4be | 945 | } else { |
4d68ec02 | 946 | memcpy(tag_data, data, 8*3); |
496bb4be | 947 | if (verbose) PrintAndLog("CSN: %s", sprint_hex(tag_data, 8)); |
948 | AA1_maxBlk = data[8]; | |
bbd19bec | 949 | getMemConfig(data[13], data[12], &maxBlk, &app_areas, &kb); |
b82d8098 | 950 | // large memory - not able to dump pages currently |
496bb4be | 951 | if (AA1_maxBlk > maxBlk) AA1_maxBlk = maxBlk; |
aa53efc3 | 952 | } |
ece38ef3 | 953 | |
496bb4be | 954 | // authenticate debit key (or credit key if we have no debit key) and get div_key - later store in dump block 3 |
955 | if (!iClass_authenticate(tag_data, KEY, MAC, div_key, use_credit_key, elite, rawkey, verbose)){ | |
872337e0 | 956 | DropField(); |
aa53efc3 | 957 | return 0; |
958 | } | |
496bb4be | 959 | |
960 | // read AA1 | |
961 | UsbCommand w = {CMD_ICLASS_DUMP}; | |
962 | uint32_t blocksRead = 0; | |
963 | for (blockno = 3; blockno <= AA1_maxBlk; blockno += blocksRead) { | |
964 | w.arg[0] = blockno; | |
965 | w.arg[1] = AA1_maxBlk - blockno + 1; | |
966 | clearCommandBuffer(); | |
967 | SendCommand(&w); | |
968 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { | |
969 | PrintAndLog("Command execute time-out 1"); | |
970 | DropField(); | |
971 | return 1; | |
972 | } | |
973 | blocksRead = resp.arg[1]; | |
974 | bool isOK = resp.arg[0]; | |
975 | if (!isOK) { | |
976 | PrintAndLog("Reading AA1 block failed"); | |
977 | DropField(); | |
978 | return 0; | |
979 | } | |
980 | memcpy(tag_data + blockno*8, resp.d.asBytes, blocksRead*8); | |
aa53efc3 | 981 | } |
aa53efc3 | 982 | |
496bb4be | 983 | // do we still need to read more blocks (AA2 enabled)? |
984 | if (have_credit_key && maxBlk > AA1_maxBlk) { | |
985 | if (!use_credit_key) { | |
986 | //turn off hf field before authenticating with different key | |
987 | DropField(); | |
988 | // AA2 authenticate credit key and git c_div_key - later store in dump block 4 | |
989 | uint8_t CSN[8]; | |
990 | if (!iClass_select(CSN, verbose, false, true) || !iClass_authenticate(CSN, CreditKEY, MAC, c_div_key, true, false, false, verbose)){ | |
872337e0 | 991 | DropField(); |
aa53efc3 | 992 | return 0; |
993 | } | |
994 | } | |
496bb4be | 995 | for ( ; blockno <= maxBlk; blockno += blocksRead) { |
996 | w.arg[0] = blockno; | |
997 | w.arg[1] = maxBlk - blockno + 1; | |
4d68ec02 | 998 | clearCommandBuffer(); |
999 | SendCommand(&w); | |
1000 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { | |
496bb4be | 1001 | PrintAndLog("Command execute time-out 1"); |
872337e0 | 1002 | DropField(); |
496bb4be | 1003 | return 1; |
4d68ec02 | 1004 | } |
4d68ec02 | 1005 | blocksRead = resp.arg[1]; |
496bb4be | 1006 | bool isOK = resp.arg[0]; |
1007 | if (!isOK) { | |
1008 | PrintAndLog("Reading AA2 block failed"); | |
872337e0 | 1009 | DropField(); |
4d68ec02 | 1010 | return 0; |
ece38ef3 | 1011 | } |
496bb4be | 1012 | memcpy(tag_data + blockno*8, resp.d.asBytes, blocksRead*8); |
4d68ec02 | 1013 | } |
aa53efc3 | 1014 | } |
1015 | ||
496bb4be | 1016 | DropField(); |
1017 | ||
4d68ec02 | 1018 | // add diversified keys to dump |
496bb4be | 1019 | if (have_debit_key) { |
1020 | memcpy(tag_data + 3*8, div_key, 8); | |
1021 | } else { | |
1022 | memset(tag_data + 3*8, 0xff, 8); | |
1023 | } | |
1024 | if (have_credit_key) { | |
1025 | memcpy(tag_data + 4*8, c_div_key, 8); | |
1026 | } else { | |
1027 | memset(tag_data + 4*8, 0xff, 8); | |
1028 | } | |
1029 | ||
4d68ec02 | 1030 | // print the dump |
89696b8b | 1031 | printf("------+--+-------------------------+\n"); |
1032 | printf("CSN |00| %s|\n",sprint_hex(tag_data, 8)); | |
496bb4be | 1033 | printIclassDumpContents(tag_data, 1, blockno-1, blockno*8); |
ece38ef3 | 1034 | |
496bb4be | 1035 | if (filename[0] == 0) { |
aa53efc3 | 1036 | snprintf(filename, FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x", |
ece38ef3 | 1037 | tag_data[0],tag_data[1],tag_data[2],tag_data[3], |
1038 | tag_data[4],tag_data[5],tag_data[6],tag_data[7]); | |
aa53efc3 | 1039 | } |
4d68ec02 | 1040 | |
1041 | // save the dump to .bin file | |
496bb4be | 1042 | PrintAndLog("Saving dump file - %d blocks read", blockno); |
1043 | saveFile(filename, "bin", tag_data, blockno*8); | |
aa53efc3 | 1044 | return 1; |
1045 | } | |
1046 | ||
ece38ef3 | 1047 | |
bc37cfb3 | 1048 | static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool rawkey, bool verbose) { |
496bb4be | 1049 | |
1050 | uint8_t MAC[4] = {0x00,0x00,0x00,0x00}; | |
1051 | uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1052 | uint8_t CSN[8]; | |
1053 | ||
1054 | if (!iClass_select(CSN, verbose, true, true) || !iClass_authenticate(CSN, KEY, MAC, div_key, use_credit_key, elite, rawkey, verbose)) { | |
1055 | DropField(); | |
aa53efc3 | 1056 | return 0; |
496bb4be | 1057 | } |
aa53efc3 | 1058 | |
1059 | UsbCommand resp; | |
1060 | ||
496bb4be | 1061 | Calc_wb_mac(blockno, bldata, div_key, MAC); |
1062 | ||
3ac22ee1 | 1063 | UsbCommand w = {CMD_ICLASS_WRITEBLOCK, {blockno}}; |
aa53efc3 | 1064 | memcpy(w.d.asBytes, bldata, 8); |
3ac22ee1 | 1065 | memcpy(w.d.asBytes + 8, MAC, 4); |
ece38ef3 | 1066 | |
aa53efc3 | 1067 | clearCommandBuffer(); |
1068 | SendCommand(&w); | |
496bb4be | 1069 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { |
aa53efc3 | 1070 | PrintAndLog("Write Command execute timeout"); |
496bb4be | 1071 | DropField(); |
aa53efc3 | 1072 | return 0; |
1073 | } | |
496bb4be | 1074 | bool isOK = resp.arg[0]; |
aa53efc3 | 1075 | if (!isOK) { |
1076 | PrintAndLog("Write Block Failed"); | |
496bb4be | 1077 | DropField(); |
aa53efc3 | 1078 | return 0; |
1079 | } | |
496bb4be | 1080 | |
aa53efc3 | 1081 | PrintAndLog("Write Block Successful"); |
aa53efc3 | 1082 | return 1; |
1083 | } | |
1084 | ||
ece38ef3 | 1085 | |
1086 | static void usage_hf_iclass_writeblock(void) { | |
aa53efc3 | 1087 | PrintAndLog("Options:"); |
ece38ef3 | 1088 | PrintAndLog(" b <Block> : The block number as 2 hex symbols"); |
1089 | PrintAndLog(" d <data> : Set the Data to write as 16 hex symbols"); | |
aa53efc3 | 1090 | PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory"); |
ece38ef3 | 1091 | PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n"); |
1092 | PrintAndLog(" e : If 'e' is specified, elite computations applied to key"); | |
1093 | PrintAndLog(" r : If 'r' is specified, no computations applied to key"); | |
1094 | PrintAndLog("Samples:"); | |
aa53efc3 | 1095 | PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B"); |
1096 | PrintAndLog(" hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c"); | |
1097 | PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA n 0"); | |
aa53efc3 | 1098 | } |
1099 | ||
ece38ef3 | 1100 | |
1101 | static int CmdHFiClass_WriteBlock(const char *Cmd) { | |
aa53efc3 | 1102 | uint8_t blockno=0; |
3ac22ee1 | 1103 | uint8_t bldata[8]={0,0,0,0,0,0,0,0}; |
aa53efc3 | 1104 | uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
1105 | uint8_t keyNbr = 0; | |
1106 | uint8_t dataLen = 0; | |
1107 | char tempStr[50] = {0}; | |
1108 | bool use_credit_key = false; | |
1109 | bool elite = false; | |
bc37cfb3 | 1110 | bool rawkey= false; |
aa53efc3 | 1111 | bool errors = false; |
1112 | uint8_t cmdp = 0; | |
1113 | while(param_getchar(Cmd, cmdp) != 0x00) | |
1114 | { | |
1115 | switch(param_getchar(Cmd, cmdp)) | |
1116 | { | |
1117 | case 'h': | |
1118 | case 'H': | |
ece38ef3 | 1119 | usage_hf_iclass_writeblock(); |
1120 | return 0; | |
aa53efc3 | 1121 | case 'b': |
1122 | case 'B': | |
1123 | if (param_gethex(Cmd, cmdp+1, &blockno, 2)) { | |
1124 | PrintAndLog("Block No must include 2 HEX symbols\n"); | |
1125 | errors = true; | |
1126 | } | |
1127 | cmdp += 2; | |
1128 | break; | |
1129 | case 'c': | |
1130 | case 'C': | |
1131 | use_credit_key = true; | |
1132 | cmdp++; | |
1133 | break; | |
1134 | case 'd': | |
1135 | case 'D': | |
496bb4be | 1136 | if (param_gethex(Cmd, cmdp+1, bldata, 16)) { |
1137 | PrintAndLog("Data must include 16 HEX symbols\n"); | |
aa53efc3 | 1138 | errors = true; |
1139 | } | |
1140 | cmdp += 2; | |
1141 | break; | |
1142 | case 'e': | |
1143 | case 'E': | |
1144 | elite = true; | |
1145 | cmdp++; | |
1146 | break; | |
1147 | case 'k': | |
1148 | case 'K': | |
874572d4 | 1149 | dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr)); |
ece38ef3 | 1150 | if (dataLen == 16) { |
aa53efc3 | 1151 | errors = param_gethex(tempStr, 0, KEY, dataLen); |
1152 | } else if (dataLen == 1) { | |
1153 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1154 | if (keyNbr < ICLASS_KEYS_MAX) { |
aa53efc3 | 1155 | memcpy(KEY, iClass_Key_Table[keyNbr], 8); |
1156 | } else { | |
1157 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
1158 | errors = true; | |
1159 | } | |
1160 | } else { | |
1161 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); | |
1162 | errors = true; | |
1163 | } | |
1164 | cmdp += 2; | |
1165 | break; | |
bc37cfb3 AL |
1166 | case 'r': |
1167 | case 'R': | |
1168 | rawkey = true; | |
1169 | cmdp++; | |
1170 | break; | |
aa53efc3 | 1171 | default: |
1172 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
1173 | errors = true; | |
1174 | break; | |
1175 | } | |
496bb4be | 1176 | if (errors) { |
ece38ef3 | 1177 | usage_hf_iclass_writeblock(); |
1178 | return 0; | |
1179 | } | |
aa53efc3 | 1180 | } |
1181 | ||
ece38ef3 | 1182 | if (cmdp < 6) { |
1183 | usage_hf_iclass_writeblock(); | |
1184 | return 0; | |
1185 | } | |
bc37cfb3 | 1186 | int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, true); |
872337e0 | 1187 | DropField(); |
3ac22ee1 | 1188 | return ans; |
aa53efc3 | 1189 | } |
1190 | ||
ece38ef3 | 1191 | |
1192 | static void usage_hf_iclass_clone(void) { | |
bc37cfb3 | 1193 | PrintAndLog("Usage: hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> c e|r"); |
aa53efc3 | 1194 | PrintAndLog("Options:"); |
1195 | PrintAndLog(" f <filename>: specify a filename to clone from"); | |
1196 | PrintAndLog(" b <Block> : The first block to clone as 2 hex symbols"); | |
1197 | PrintAndLog(" l <Last Blk>: Set the Data to write as 16 hex symbols"); | |
1198 | PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory"); | |
1199 | PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n"); | |
1200 | PrintAndLog(" e : If 'e' is specified, elite computations applied to key"); | |
bc37cfb3 | 1201 | PrintAndLog(" r : If 'r' is specified, no computations applied to key"); |
aa53efc3 | 1202 | PrintAndLog("Samples:"); |
1203 | PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 1A k 1122334455667788 e"); | |
1204 | PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 05 l 19 k 0"); | |
1205 | PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 19 k 0 e"); | |
aa53efc3 | 1206 | } |
1207 | ||
ece38ef3 | 1208 | |
1209 | static int CmdHFiClassCloneTag(const char *Cmd) { | |
165e0775 | 1210 | char filename[FILE_PATH_SIZE] = {0}; |
aa53efc3 | 1211 | char tempStr[50]={0}; |
1212 | uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1213 | uint8_t keyNbr = 0; | |
1214 | uint8_t fileNameLen = 0; | |
1215 | uint8_t startblock = 0; | |
1216 | uint8_t endblock = 0; | |
1217 | uint8_t dataLen = 0; | |
1218 | bool use_credit_key = false; | |
1219 | bool elite = false; | |
bc37cfb3 | 1220 | bool rawkey = false; |
aa53efc3 | 1221 | bool errors = false; |
1222 | uint8_t cmdp = 0; | |
1223 | while(param_getchar(Cmd, cmdp) != 0x00) | |
1224 | { | |
1225 | switch(param_getchar(Cmd, cmdp)) | |
1226 | { | |
1227 | case 'h': | |
1228 | case 'H': | |
ece38ef3 | 1229 | usage_hf_iclass_clone(); |
1230 | return 0; | |
aa53efc3 | 1231 | case 'b': |
1232 | case 'B': | |
1233 | if (param_gethex(Cmd, cmdp+1, &startblock, 2)) { | |
1234 | PrintAndLog("Start Block No must include 2 HEX symbols\n"); | |
1235 | errors = true; | |
1236 | } | |
1237 | cmdp += 2; | |
1238 | break; | |
1239 | case 'c': | |
1240 | case 'C': | |
1241 | use_credit_key = true; | |
1242 | cmdp++; | |
1243 | break; | |
1244 | case 'e': | |
1245 | case 'E': | |
1246 | elite = true; | |
1247 | cmdp++; | |
1248 | break; | |
1249 | case 'f': | |
1250 | case 'F': | |
ece38ef3 | 1251 | fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename)); |
aa53efc3 | 1252 | if (fileNameLen < 1) { |
1253 | PrintAndLog("No filename found after f"); | |
1254 | errors = true; | |
1255 | } | |
1256 | cmdp += 2; | |
1257 | break; | |
1258 | case 'k': | |
1259 | case 'K': | |
874572d4 | 1260 | dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr)); |
ece38ef3 | 1261 | if (dataLen == 16) { |
aa53efc3 | 1262 | errors = param_gethex(tempStr, 0, KEY, dataLen); |
1263 | } else if (dataLen == 1) { | |
1264 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1265 | if (keyNbr < ICLASS_KEYS_MAX) { |
aa53efc3 | 1266 | memcpy(KEY, iClass_Key_Table[keyNbr], 8); |
1267 | } else { | |
1268 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
1269 | errors = true; | |
1270 | } | |
1271 | } else { | |
1272 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); | |
1273 | errors = true; | |
1274 | } | |
1275 | cmdp += 2; | |
1276 | break; | |
1277 | case 'l': | |
1278 | case 'L': | |
1279 | if (param_gethex(Cmd, cmdp+1, &endblock, 2)) { | |
1280 | PrintAndLog("Start Block No must include 2 HEX symbols\n"); | |
1281 | errors = true; | |
1282 | } | |
1283 | cmdp += 2; | |
1284 | break; | |
bc37cfb3 AL |
1285 | case 'r': |
1286 | case 'R': | |
1287 | rawkey = true; | |
1288 | cmdp++; | |
1289 | break; | |
aa53efc3 | 1290 | default: |
1291 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
1292 | errors = true; | |
1293 | break; | |
1294 | } | |
ece38ef3 | 1295 | if (errors) { |
1296 | usage_hf_iclass_clone(); | |
1297 | return 0; | |
1298 | } | |
aa53efc3 | 1299 | } |
1300 | ||
ece38ef3 | 1301 | if (cmdp < 8) { |
1302 | usage_hf_iclass_clone(); | |
1303 | return 0; | |
1304 | } | |
aa53efc3 | 1305 | |
1306 | FILE *f; | |
1307 | ||
1308 | iclass_block_t tag_data[USB_CMD_DATA_SIZE/12]; | |
1309 | ||
1310 | if ((endblock-startblock+1)*12 > USB_CMD_DATA_SIZE) { | |
1311 | PrintAndLog("Trying to write too many blocks at once. Max: %d", USB_CMD_DATA_SIZE/8); | |
1312 | } | |
1313 | // file handling and reading | |
1314 | f = fopen(filename,"rb"); | |
496bb4be | 1315 | if (!f) { |
aa53efc3 | 1316 | PrintAndLog("Failed to read from file '%s'", filename); |
1317 | return 1; | |
1318 | } | |
1319 | ||
1320 | if (startblock<5) { | |
1321 | PrintAndLog("You cannot write key blocks this way. yet... make your start block > 4"); | |
165e0775 | 1322 | fclose(f); |
aa53efc3 | 1323 | return 0; |
1324 | } | |
1325 | // now read data from the file from block 6 --- 19 | |
1326 | // ok we will use this struct [data 8 bytes][MAC 4 bytes] for each block calculate all mac number for each data | |
1327 | // 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, | |
1328 | // else we have to create a share memory | |
1329 | int i; | |
496bb4be | 1330 | fseek(f, startblock*8, SEEK_SET); |
1331 | if (fread(tag_data, sizeof(iclass_block_t), endblock - startblock + 1, f) == 0 ) { | |
33c795d0 | 1332 | PrintAndLog("File reading error."); |
1333 | fclose(f); | |
1334 | return 2; | |
1335 | } | |
aa53efc3 | 1336 | |
1337 | uint8_t MAC[4]={0x00,0x00,0x00,0x00}; | |
1338 | uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
496bb4be | 1339 | uint8_t CSN[8]; |
aa53efc3 | 1340 | |
496bb4be | 1341 | if (!iClass_select(CSN, true, false, false) || !iClass_authenticate(CSN, KEY, MAC, div_key, use_credit_key, elite, rawkey, true)) { |
1342 | DropField(); | |
aa53efc3 | 1343 | return 0; |
496bb4be | 1344 | } |
aa53efc3 | 1345 | |
496bb4be | 1346 | UsbCommand w = {CMD_ICLASS_CLONE, {startblock, endblock}}; |
aa53efc3 | 1347 | uint8_t *ptr; |
1348 | // calculate all mac for every the block we will write | |
1349 | for (i = startblock; i <= endblock; i++){ | |
496bb4be | 1350 | Calc_wb_mac(i, tag_data[i - startblock].d, div_key, MAC); |
ece38ef3 | 1351 | // usb command d start pointer = d + (i - 6) * 12 |
1352 | // memcpy(pointer,tag_data[i - 6],8) 8 bytes | |
1353 | // memcpy(pointer + 8,mac,sizoof(mac) 4 bytes; | |
1354 | // next one | |
1355 | ptr = w.d.asBytes + (i - startblock) * 12; | |
1356 | memcpy(ptr, &(tag_data[i - startblock].d[0]), 8); | |
1357 | memcpy(ptr + 8,MAC, 4); | |
aa53efc3 | 1358 | } |
1359 | uint8_t p[12]; | |
1360 | for (i = 0; i <= endblock - startblock;i++){ | |
ece38ef3 | 1361 | memcpy(p,w.d.asBytes + (i * 12),12); |
1362 | printf("Block |%02x|",i + startblock); | |
1363 | 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]); | |
1364 | printf(" MAC |%02x%02x%02x%02x|\n",p[8],p[9],p[10],p[11]); | |
aa53efc3 | 1365 | } |
496bb4be | 1366 | |
aa53efc3 | 1367 | UsbCommand resp; |
1368 | SendCommand(&w); | |
1369 | if (!WaitForResponseTimeout(CMD_ACK,&resp,4500)) | |
1370 | { | |
1371 | PrintAndLog("Command execute timeout"); | |
496bb4be | 1372 | DropField(); |
aa53efc3 | 1373 | return 0; |
1374 | } | |
1375 | return 1; | |
1376 | } | |
1377 | ||
ece38ef3 | 1378 | |
67e344df | 1379 | static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool verbose, bool auth) { |
ece38ef3 | 1380 | |
aa53efc3 | 1381 | uint8_t MAC[4]={0x00,0x00,0x00,0x00}; |
1382 | uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
496bb4be | 1383 | uint8_t CSN[8]; |
1384 | ||
1385 | if (!iClass_select(CSN, verbose, true, true)) { | |
1386 | DropField(); | |
1387 | return 0; | |
1388 | } | |
aa53efc3 | 1389 | |
67e344df | 1390 | if (auth) { |
496bb4be | 1391 | if (!iClass_authenticate(CSN, KEY, MAC, div_key, (keyType==0x18), elite, rawkey, verbose)) { |
1392 | DropField(); | |
67e344df | 1393 | return 0; |
496bb4be | 1394 | } |
67e344df | 1395 | } |
aa53efc3 | 1396 | |
1397 | UsbCommand resp; | |
3ac22ee1 | 1398 | UsbCommand w = {CMD_ICLASS_READBLOCK, {blockno}}; |
aa53efc3 | 1399 | clearCommandBuffer(); |
1400 | SendCommand(&w); | |
ece38ef3 | 1401 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) { |
aa53efc3 | 1402 | PrintAndLog("Command execute timeout"); |
496bb4be | 1403 | DropField(); |
aa53efc3 | 1404 | return 0; |
1405 | } | |
496bb4be | 1406 | bool isOK = resp.arg[0]; |
aa53efc3 | 1407 | if (!isOK) { |
1408 | PrintAndLog("Read Block Failed"); | |
496bb4be | 1409 | DropField(); |
aa53efc3 | 1410 | return 0; |
1411 | } | |
1412 | //data read is stored in: resp.d.asBytes[0-15] | |
496bb4be | 1413 | if (verbose) |
1414 | PrintAndLog("Block %02X: %s\n",blockno, sprint_hex(resp.d.asBytes,8)); | |
1415 | ||
aa53efc3 | 1416 | return 1; |
1417 | } | |
1418 | ||
ece38ef3 | 1419 | |
1420 | static void usage_hf_iclass_readblock(void) { | |
1421 | PrintAndLog("Usage: hf iclass readblk b <Block> k <Key> [c] [e|r]\n"); | |
aa53efc3 | 1422 | PrintAndLog("Options:"); |
ece38ef3 | 1423 | PrintAndLog(" b <Block> : The block number as 2 hex symbols"); |
aa53efc3 | 1424 | PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory"); |
ece38ef3 | 1425 | PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n"); |
1426 | PrintAndLog(" e : If 'e' is specified, elite computations applied to key"); | |
1427 | PrintAndLog(" r : If 'r' is specified, no computations applied to key"); | |
1428 | PrintAndLog("Samples:"); | |
aa53efc3 | 1429 | PrintAndLog(" hf iclass readblk b 06 k 0011223344556677"); |
1430 | PrintAndLog(" hf iclass readblk b 1B k 0011223344556677 c"); | |
1431 | PrintAndLog(" hf iclass readblk b 0A k 0"); | |
aa53efc3 | 1432 | } |
1433 | ||
ece38ef3 | 1434 | |
1435 | static int CmdHFiClass_ReadBlock(const char *Cmd) { | |
aa53efc3 | 1436 | uint8_t blockno=0; |
1437 | uint8_t keyType = 0x88; //debit key | |
1438 | uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1439 | uint8_t keyNbr = 0; | |
1440 | uint8_t dataLen = 0; | |
1441 | char tempStr[50] = {0}; | |
1442 | bool elite = false; | |
bc37cfb3 | 1443 | bool rawkey = false; |
aa53efc3 | 1444 | bool errors = false; |
67e344df | 1445 | bool auth = false; |
aa53efc3 | 1446 | uint8_t cmdp = 0; |
ece38ef3 | 1447 | while (param_getchar(Cmd, cmdp) != 0x00) { |
1448 | switch (param_getchar(Cmd, cmdp)) { | |
1449 | case 'h': | |
1450 | case 'H': | |
1451 | usage_hf_iclass_readblock(); | |
1452 | return 0; | |
1453 | case 'b': | |
1454 | case 'B': | |
1455 | if (param_gethex(Cmd, cmdp+1, &blockno, 2)) { | |
1456 | PrintAndLog("Block No must include 2 HEX symbols\n"); | |
1457 | errors = true; | |
1458 | } | |
1459 | cmdp += 2; | |
1460 | break; | |
1461 | case 'c': | |
1462 | case 'C': | |
1463 | keyType = 0x18; | |
1464 | cmdp++; | |
1465 | break; | |
1466 | case 'e': | |
1467 | case 'E': | |
1468 | elite = true; | |
1469 | cmdp++; | |
1470 | break; | |
1471 | case 'k': | |
1472 | case 'K': | |
1473 | auth = true; | |
1474 | dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr)); | |
1475 | if (dataLen == 16) { | |
1476 | errors = param_gethex(tempStr, 0, KEY, dataLen); | |
1477 | } else if (dataLen == 1) { | |
1478 | keyNbr = param_get8(Cmd, cmdp+1); | |
1479 | if (keyNbr < ICLASS_KEYS_MAX) { | |
1480 | memcpy(KEY, iClass_Key_Table[keyNbr], 8); | |
1481 | } else { | |
1482 | PrintAndLog("\nERROR: KeyNbr is invalid\n"); | |
1483 | errors = true; | |
1484 | } | |
aa53efc3 | 1485 | } else { |
ece38ef3 | 1486 | PrintAndLog("\nERROR: Key is incorrect length\n"); |
aa53efc3 | 1487 | errors = true; |
1488 | } | |
ece38ef3 | 1489 | cmdp += 2; |
1490 | break; | |
1491 | case 'r': | |
1492 | case 'R': | |
1493 | rawkey = true; | |
1494 | cmdp++; | |
1495 | break; | |
1496 | default: | |
1497 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
aa53efc3 | 1498 | errors = true; |
ece38ef3 | 1499 | break; |
1500 | } | |
1501 | if (errors) { | |
1502 | usage_hf_iclass_readblock(); | |
1503 | return 0; | |
aa53efc3 | 1504 | } |
aa53efc3 | 1505 | } |
1506 | ||
ece38ef3 | 1507 | if (cmdp < 2) { |
1508 | usage_hf_iclass_readblock(); | |
1509 | return 0; | |
1510 | } | |
67e344df | 1511 | if (!auth) |
1512 | PrintAndLog("warning: no authentication used with read, only a few specific blocks can be read accurately without authentication."); | |
ece38ef3 | 1513 | |
67e344df | 1514 | return ReadBlock(KEY, blockno, keyType, elite, rawkey, true, auth); |
aa53efc3 | 1515 | } |
1516 | ||
ece38ef3 | 1517 | |
1518 | static int CmdHFiClass_loclass(const char *Cmd) { | |
aa53efc3 | 1519 | char opt = param_getchar(Cmd, 0); |
1520 | ||
1521 | if (strlen(Cmd)<1 || opt == 'h') { | |
1522 | PrintAndLog("Usage: hf iclass loclass [options]"); | |
1523 | PrintAndLog("Options:"); | |
1524 | PrintAndLog("h Show this help"); | |
6f101995 MHS |
1525 | PrintAndLog("t Perform self-test"); |
1526 | PrintAndLog("f <filename> Bruteforce iclass dumpfile"); | |
1527 | PrintAndLog(" An iclass dumpfile is assumed to consist of an arbitrary number of"); | |
1528 | PrintAndLog(" malicious CSNs, and their protocol responses"); | |
b8140ab1 | 1529 | PrintAndLog(" The binary format of the file is expected to be as follows: "); |
6f101995 MHS |
1530 | PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>"); |
1531 | PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>"); | |
1532 | PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>"); | |
1533 | PrintAndLog(" ... totalling N*24 bytes"); | |
1534 | return 0; | |
1535 | } | |
1536 | char fileName[255] = {0}; | |
0ab9002f | 1537 | if(opt == 'f') { |
1538 | if(param_getstr(Cmd, 1, fileName, sizeof(fileName)) > 0) { | |
53444513 | 1539 | return bruteforceFileNoKeys(fileName); |
0ab9002f | 1540 | } else { |
53444513 MHS |
1541 | PrintAndLog("You must specify a filename"); |
1542 | } | |
0ab9002f | 1543 | } else if(opt == 't') { |
6f101995 MHS |
1544 | int errors = testCipherUtils(); |
1545 | errors += testMAC(); | |
1546 | errors += doKeyTests(0); | |
1547 | errors += testElite(); | |
0ab9002f | 1548 | if(errors) { |
6f101995 MHS |
1549 | prnlog("OBS! There were errors!!!"); |
1550 | } | |
1551 | return errors; | |
1552 | } | |
a66fca86 | 1553 | |
6f101995 MHS |
1554 | return 0; |
1555 | } | |
c3963755 | 1556 | |
aa53efc3 | 1557 | |
ece38ef3 | 1558 | static void usage_hf_iclass_readtagfile() { |
4d68ec02 | 1559 | PrintAndLog("Usage: hf iclass readtagfile <filename> [startblock] [endblock]"); |
4d68ec02 | 1560 | } |
1561 | ||
ece38ef3 | 1562 | |
1563 | static int CmdHFiClassReadTagFile(const char *Cmd) { | |
aa53efc3 | 1564 | int startblock = 0; |
1565 | int endblock = 0; | |
1566 | char tempnum[5]; | |
1567 | FILE *f; | |
1568 | char filename[FILE_PATH_SIZE]; | |
ece38ef3 | 1569 | if (param_getstr(Cmd, 0, filename, sizeof(filename)) < 1) { |
1570 | usage_hf_iclass_readtagfile(); | |
1571 | return 0; | |
1572 | } | |
874572d4 | 1573 | if (param_getstr(Cmd, 1, tempnum, sizeof(tempnum)) < 1) |
aa53efc3 | 1574 | startblock = 0; |
1575 | else | |
1576 | sscanf(tempnum,"%d",&startblock); | |
1577 | ||
874572d4 | 1578 | if (param_getstr(Cmd,2, tempnum, sizeof(tempnum)) < 1) |
aa53efc3 | 1579 | endblock = 0; |
1580 | else | |
1581 | sscanf(tempnum,"%d",&endblock); | |
1582 | // file handling and reading | |
1583 | f = fopen(filename,"rb"); | |
1584 | if(!f) { | |
1585 | PrintAndLog("Failed to read from file '%s'", filename); | |
1586 | return 1; | |
1587 | } | |
1588 | fseek(f, 0, SEEK_END); | |
1589 | long fsize = ftell(f); | |
1590 | fseek(f, 0, SEEK_SET); | |
1591 | ||
b0c68b72 | 1592 | if ( fsize < 0 ) { |
1593 | PrintAndLog("Error, when getting filesize"); | |
1594 | fclose(f); | |
1595 | return 1; | |
1596 | } | |
aa53efc3 | 1597 | |
b0c68b72 | 1598 | uint8_t *dump = malloc(fsize); |
aa53efc3 | 1599 | |
1600 | size_t bytes_read = fread(dump, 1, fsize, f); | |
1601 | fclose(f); | |
1602 | uint8_t *csn = dump; | |
89696b8b | 1603 | printf("------+--+-------------------------+\n"); |
1604 | printf("CSN |00| %s|\n", sprint_hex(csn, 8) ); | |
aa53efc3 | 1605 | // printIclassDumpInfo(dump); |
1606 | printIclassDumpContents(dump,startblock,endblock,bytes_read); | |
1607 | free(dump); | |
1608 | return 0; | |
1609 | } | |
1610 | ||
4d68ec02 | 1611 | /* |
1612 | uint64_t xorcheck(uint64_t sdiv,uint64_t hdiv) { | |
aa53efc3 | 1613 | uint64_t new_div = 0x00; |
1614 | new_div ^= sdiv; | |
1615 | new_div ^= hdiv; | |
1616 | return new_div; | |
1617 | } | |
1618 | ||
4d68ec02 | 1619 | uint64_t hexarray_to_uint64(uint8_t *key) { |
aa53efc3 | 1620 | char temp[17]; |
1621 | uint64_t uint_key; | |
1622 | for (int i = 0;i < 8;i++) | |
1623 | sprintf(&temp[(i *2)],"%02X",key[i]); | |
1624 | temp[16] = '\0'; | |
43534cba | 1625 | if (sscanf(temp,"%016" SCNx64,&uint_key) < 1) |
aa53efc3 | 1626 | return 0; |
1627 | return uint_key; | |
1628 | } | |
4d68ec02 | 1629 | */ |
aa53efc3 | 1630 | |
aa53efc3 | 1631 | |
4d68ec02 | 1632 | //when told CSN, oldkey, newkey, if new key is elite (elite), and if old key was elite (oldElite) |
1633 | //calculate and return xor_div_key (ready for a key write command) | |
1634 | //print all div_keys if verbose | |
1635 | static void HFiClassCalcNewKey(uint8_t *CSN, uint8_t *OLDKEY, uint8_t *NEWKEY, uint8_t *xor_div_key, bool elite, bool oldElite, bool verbose){ | |
1636 | uint8_t old_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1637 | uint8_t new_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1638 | //get old div key | |
1639 | HFiClassCalcDivKey(CSN, OLDKEY, old_div_key, oldElite); | |
1640 | //get new div key | |
1641 | HFiClassCalcDivKey(CSN, NEWKEY, new_div_key, elite); | |
ece38ef3 | 1642 | |
4d68ec02 | 1643 | for (uint8_t i = 0; i < sizeof(old_div_key); i++){ |
1644 | xor_div_key[i] = old_div_key[i] ^ new_div_key[i]; | |
1645 | } | |
1646 | if (verbose) { | |
1647 | printf("Old Div Key : %s\n",sprint_hex(old_div_key,8)); | |
1648 | printf("New Div Key : %s\n",sprint_hex(new_div_key,8)); | |
ece38ef3 | 1649 | printf("Xor Div Key : %s\n",sprint_hex(xor_div_key,8)); |
4d68ec02 | 1650 | } |
1651 | } | |
aa53efc3 | 1652 | |
ece38ef3 | 1653 | |
1654 | static void usage_hf_iclass_calc_newkey(void) { | |
4d68ec02 | 1655 | PrintAndLog("HELP : Manage iClass Keys in client memory:\n"); |
1656 | PrintAndLog("Usage: hf iclass calc_newkey o <Old key> n <New key> s [csn] e"); | |
1657 | PrintAndLog(" Options:"); | |
1658 | PrintAndLog(" o <oldkey> : *specify a key as 16 hex symbols or a key number as 1 symbol"); | |
1659 | PrintAndLog(" n <newkey> : *specify a key as 16 hex symbols or a key number as 1 symbol"); | |
1660 | PrintAndLog(" s <csn> : specify a card Serial number to diversify the key (if omitted will attempt to read a csn)"); | |
1661 | PrintAndLog(" e : specify new key as elite calc"); | |
1662 | PrintAndLog(" ee : specify old and new key as elite calc"); | |
1663 | PrintAndLog("Samples:"); | |
1664 | PrintAndLog(" e key to e key given csn : hf iclass calcnewkey o 1122334455667788 n 2233445566778899 s deadbeafdeadbeaf ee"); | |
1665 | PrintAndLog(" std key to e key read csn: hf iclass calcnewkey o 1122334455667788 n 2233445566778899 e"); | |
1666 | PrintAndLog(" std to std read csn : hf iclass calcnewkey o 1122334455667788 n 2233445566778899"); | |
1667 | PrintAndLog("NOTE: * = required\n"); | |
4d68ec02 | 1668 | } |
aa53efc3 | 1669 | |
ece38ef3 | 1670 | |
1671 | static int CmdHFiClassCalcNewKey(const char *Cmd) { | |
4d68ec02 | 1672 | uint8_t OLDKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
1673 | uint8_t NEWKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1674 | uint8_t xor_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1675 | uint8_t CSN[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
4d68ec02 | 1676 | uint8_t keyNbr = 0; |
1677 | uint8_t dataLen = 0; | |
1678 | char tempStr[50] = {0}; | |
1679 | bool givenCSN = false; | |
1680 | bool oldElite = false; | |
1681 | bool elite = false; | |
1682 | bool errors = false; | |
1683 | uint8_t cmdp = 0; | |
1684 | while(param_getchar(Cmd, cmdp) != 0x00) | |
1685 | { | |
1686 | switch(param_getchar(Cmd, cmdp)) | |
1687 | { | |
1688 | case 'h': | |
1689 | case 'H': | |
ece38ef3 | 1690 | usage_hf_iclass_calc_newkey(); |
1691 | return 0; | |
4d68ec02 | 1692 | case 'e': |
1693 | case 'E': | |
874572d4 | 1694 | dataLen = param_getstr(Cmd, cmdp, tempStr, sizeof(tempStr)); |
4d68ec02 | 1695 | if (dataLen==2) |
1696 | oldElite = true; | |
1697 | elite = true; | |
1698 | cmdp++; | |
1699 | break; | |
1700 | case 'n': | |
1701 | case 'N': | |
874572d4 | 1702 | dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr)); |
ece38ef3 | 1703 | if (dataLen == 16) { |
4d68ec02 | 1704 | errors = param_gethex(tempStr, 0, NEWKEY, dataLen); |
1705 | } else if (dataLen == 1) { | |
1706 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1707 | if (keyNbr < ICLASS_KEYS_MAX) { |
4d68ec02 | 1708 | memcpy(NEWKEY, iClass_Key_Table[keyNbr], 8); |
1709 | } else { | |
1710 | PrintAndLog("\nERROR: NewKey Nbr is invalid\n"); | |
1711 | errors = true; | |
1712 | } | |
1713 | } else { | |
1714 | PrintAndLog("\nERROR: NewKey is incorrect length\n"); | |
1715 | errors = true; | |
1716 | } | |
1717 | cmdp += 2; | |
1718 | break; | |
1719 | case 'o': | |
1720 | case 'O': | |
874572d4 | 1721 | dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr)); |
ece38ef3 | 1722 | if (dataLen == 16) { |
4d68ec02 | 1723 | errors = param_gethex(tempStr, 0, OLDKEY, dataLen); |
1724 | } else if (dataLen == 1) { | |
1725 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1726 | if (keyNbr < ICLASS_KEYS_MAX) { |
4d68ec02 | 1727 | memcpy(OLDKEY, iClass_Key_Table[keyNbr], 8); |
1728 | } else { | |
1729 | PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); | |
1730 | errors = true; | |
1731 | } | |
1732 | } else { | |
1733 | PrintAndLog("\nERROR: Credit Key is incorrect length\n"); | |
1734 | errors = true; | |
1735 | } | |
1736 | cmdp += 2; | |
1737 | break; | |
1738 | case 's': | |
1739 | case 'S': | |
1740 | givenCSN = true; | |
ece38ef3 | 1741 | if (param_gethex(Cmd, cmdp+1, CSN, 16)) { |
1742 | usage_hf_iclass_calc_newkey(); | |
1743 | return 0; | |
1744 | } | |
4d68ec02 | 1745 | cmdp += 2; |
1746 | break; | |
1747 | default: | |
1748 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
1749 | errors = true; | |
1750 | break; | |
1751 | } | |
ece38ef3 | 1752 | if (errors) { |
1753 | usage_hf_iclass_calc_newkey(); | |
1754 | return 0; | |
1755 | } | |
4d68ec02 | 1756 | } |
aa53efc3 | 1757 | |
ece38ef3 | 1758 | if (cmdp < 4) { |
1759 | usage_hf_iclass_calc_newkey(); | |
1760 | return 0; | |
1761 | } | |
aa53efc3 | 1762 | |
4d68ec02 | 1763 | if (!givenCSN) |
496bb4be | 1764 | if (!iClass_select(CSN, true, true, true)) { |
1765 | DropField(); | |
4d68ec02 | 1766 | return 0; |
496bb4be | 1767 | } |
1768 | DropField(); | |
ece38ef3 | 1769 | |
4d68ec02 | 1770 | HFiClassCalcNewKey(CSN, OLDKEY, NEWKEY, xor_div_key, elite, oldElite, true); |
aa53efc3 | 1771 | return 0; |
1772 | } | |
1773 | ||
ece38ef3 | 1774 | |
4d68ec02 | 1775 | static int loadKeys(char *filename) { |
aa53efc3 | 1776 | FILE *f; |
1777 | f = fopen(filename,"rb"); | |
1778 | if(!f) { | |
1779 | PrintAndLog("Failed to read from file '%s'", filename); | |
1780 | return 0; | |
1781 | } | |
1782 | fseek(f, 0, SEEK_END); | |
1783 | long fsize = ftell(f); | |
1784 | fseek(f, 0, SEEK_SET); | |
1785 | ||
eb5b63b4 | 1786 | if ( fsize < 0 ) { |
1787 | PrintAndLog("Error, when getting filesize"); | |
1788 | fclose(f); | |
1789 | return 1; | |
1790 | } | |
1791 | ||
aa53efc3 | 1792 | uint8_t *dump = malloc(fsize); |
1793 | ||
1794 | size_t bytes_read = fread(dump, 1, fsize, f); | |
1795 | fclose(f); | |
1796 | if (bytes_read > ICLASS_KEYS_MAX * 8){ | |
1797 | PrintAndLog("File is too long to load - bytes: %u", bytes_read); | |
1798 | free(dump); | |
1799 | return 0; | |
1800 | } | |
1801 | uint8_t i = 0; | |
1802 | for (; i < bytes_read/8; i++){ | |
1803 | memcpy(iClass_Key_Table[i],dump+(i*8),8); | |
1804 | } | |
1805 | free(dump); | |
1806 | PrintAndLog("%u keys loaded", i); | |
1807 | return 1; | |
1808 | } | |
1809 | ||
ece38ef3 | 1810 | |
4d68ec02 | 1811 | static int saveKeys(char *filename) { |
aa53efc3 | 1812 | FILE *f; |
1813 | f = fopen(filename,"wb"); | |
1814 | if (f == NULL) { | |
1815 | printf("error opening file %s\n",filename); | |
1816 | return 0; | |
1817 | } | |
1818 | for (uint8_t i = 0; i < ICLASS_KEYS_MAX; i++){ | |
1819 | if (fwrite(iClass_Key_Table[i],8,1,f) != 1){ | |
1820 | PrintAndLog("save key failed to write to file: %s", filename); | |
1821 | break; | |
1822 | } | |
1823 | } | |
1824 | fclose(f); | |
1825 | return 0; | |
1826 | } | |
1827 | ||
ece38ef3 | 1828 | |
4d68ec02 | 1829 | static int printKeys(void) { |
aa53efc3 | 1830 | PrintAndLog(""); |
1831 | for (uint8_t i = 0; i < ICLASS_KEYS_MAX; i++){ | |
1832 | PrintAndLog("%u: %s",i,sprint_hex(iClass_Key_Table[i],8)); | |
1833 | } | |
ece38ef3 | 1834 | PrintAndLog(""); |
aa53efc3 | 1835 | return 0; |
1836 | } | |
1837 | ||
ece38ef3 | 1838 | |
1839 | static void usage_hf_iclass_managekeys(void) { | |
aa53efc3 | 1840 | PrintAndLog("HELP : Manage iClass Keys in client memory:\n"); |
1841 | PrintAndLog("Usage: hf iclass managekeys n [keynbr] k [key] f [filename] s l p\n"); | |
1842 | PrintAndLog(" Options:"); | |
1843 | PrintAndLog(" n <keynbr> : specify the keyNbr to set in memory"); | |
1844 | PrintAndLog(" k <key> : set a key in memory"); | |
1845 | PrintAndLog(" f <filename>: specify a filename to use with load or save operations"); | |
1846 | PrintAndLog(" s : save keys in memory to file specified by filename"); | |
1847 | PrintAndLog(" l : load keys to memory from file specified by filename"); | |
1848 | PrintAndLog(" p : print keys loaded into memory\n"); | |
1849 | PrintAndLog("Samples:"); | |
1850 | PrintAndLog(" set key : hf iclass managekeys n 0 k 1122334455667788"); | |
1851 | PrintAndLog(" save key file: hf iclass managekeys f mykeys.bin s"); | |
1852 | PrintAndLog(" load key file: hf iclass managekeys f mykeys.bin l"); | |
1853 | PrintAndLog(" print keys : hf iclass managekeys p\n"); | |
aa53efc3 | 1854 | } |
1855 | ||
ece38ef3 | 1856 | |
1857 | static int CmdHFiClassManageKeys(const char *Cmd) { | |
aa53efc3 | 1858 | uint8_t keyNbr = 0; |
1859 | uint8_t dataLen = 0; | |
1860 | uint8_t KEY[8] = {0}; | |
1861 | char filename[FILE_PATH_SIZE]; | |
1862 | uint8_t fileNameLen = 0; | |
1863 | bool errors = false; | |
1864 | uint8_t operation = 0; | |
1865 | char tempStr[20]; | |
1866 | uint8_t cmdp = 0; | |
1867 | ||
1868 | while(param_getchar(Cmd, cmdp) != 0x00) | |
1869 | { | |
1870 | switch(param_getchar(Cmd, cmdp)) | |
1871 | { | |
1872 | case 'h': | |
1873 | case 'H': | |
ece38ef3 | 1874 | usage_hf_iclass_managekeys(); |
1875 | return 0; | |
aa53efc3 | 1876 | case 'f': |
1877 | case 'F': | |
ece38ef3 | 1878 | fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename)); |
aa53efc3 | 1879 | if (fileNameLen < 1) { |
1880 | PrintAndLog("No filename found after f"); | |
1881 | errors = true; | |
1882 | } | |
1883 | cmdp += 2; | |
1884 | break; | |
1885 | case 'n': | |
1886 | case 'N': | |
1887 | keyNbr = param_get8(Cmd, cmdp+1); | |
b0c68b72 | 1888 | if (keyNbr >= ICLASS_KEYS_MAX) { |
1889 | PrintAndLog("Invalid block number"); | |
aa53efc3 | 1890 | errors = true; |
1891 | } | |
1892 | cmdp += 2; | |
1893 | break; | |
1894 | case 'k': | |
1895 | case 'K': | |
ece38ef3 | 1896 | operation += 3; //set key |
874572d4 | 1897 | dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr)); |
aa53efc3 | 1898 | if (dataLen == 16) { //ul-c or ev1/ntag key length |
1899 | errors = param_gethex(tempStr, 0, KEY, dataLen); | |
1900 | } else { | |
1901 | PrintAndLog("\nERROR: Key is incorrect length\n"); | |
1902 | errors = true; | |
1903 | } | |
1904 | cmdp += 2; | |
1905 | break; | |
1906 | case 'p': | |
1907 | case 'P': | |
1908 | operation += 4; //print keys in memory | |
1909 | cmdp++; | |
1910 | break; | |
1911 | case 'l': | |
1912 | case 'L': | |
1913 | operation += 5; //load keys from file | |
1914 | cmdp++; | |
1915 | break; | |
1916 | case 's': | |
1917 | case 'S': | |
1918 | operation += 6; //save keys to file | |
1919 | cmdp++; | |
1920 | break; | |
1921 | default: | |
1922 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
1923 | errors = true; | |
1924 | break; | |
1925 | } | |
ece38ef3 | 1926 | if (errors) { |
1927 | usage_hf_iclass_managekeys(); | |
1928 | return 0; | |
1929 | } | |
aa53efc3 | 1930 | } |
1931 | if (operation == 0){ | |
1932 | PrintAndLog("no operation specified (load, save, or print)\n"); | |
ece38ef3 | 1933 | usage_hf_iclass_managekeys(); |
1934 | return 0; | |
aa53efc3 | 1935 | } |
1936 | if (operation > 6){ | |
1937 | PrintAndLog("Too many operations specified\n"); | |
ece38ef3 | 1938 | usage_hf_iclass_managekeys(); |
1939 | return 0; | |
aa53efc3 | 1940 | } |
1941 | if (operation > 4 && fileNameLen == 0){ | |
1942 | PrintAndLog("You must enter a filename when loading or saving\n"); | |
ece38ef3 | 1943 | usage_hf_iclass_managekeys(); |
1944 | return 0; | |
aa53efc3 | 1945 | } |
1946 | ||
1947 | switch (operation){ | |
1948 | case 3: memcpy(iClass_Key_Table[keyNbr], KEY, 8); return 1; | |
1949 | case 4: return printKeys(); | |
1950 | case 5: return loadKeys(filename); | |
1951 | case 6: return saveKeys(filename); | |
1952 | break; | |
1953 | } | |
1954 | return 0; | |
1955 | } | |
1956 | ||
ece38ef3 | 1957 | |
1958 | static int CmdHFiClassCheckKeys(const char *Cmd) { | |
385c1a5e | 1959 | |
385c1a5e I |
1960 | uint8_t mac[4] = {0x00,0x00,0x00,0x00}; |
1961 | uint8_t key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1962 | uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; | |
1963 | ||
1964 | // elite key, raw key, standard key | |
5e4932e8 | 1965 | bool use_elite = false; |
ece38ef3 | 1966 | bool use_raw = false; |
385c1a5e | 1967 | bool found_debit = false; |
ece38ef3 | 1968 | bool found_credit = false; |
5e4932e8 I |
1969 | bool errors = false; |
1970 | uint8_t cmdp = 0x00; | |
385c1a5e I |
1971 | FILE * f; |
1972 | char filename[FILE_PATH_SIZE] = {0}; | |
5e4932e8 | 1973 | uint8_t fileNameLen = 0; |
385c1a5e I |
1974 | char buf[17]; |
1975 | uint8_t *keyBlock = NULL, *p; | |
1976 | int keyitems = 0, keycnt = 0; | |
1977 | ||
5e4932e8 I |
1978 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { |
1979 | switch (param_getchar(Cmd, cmdp)) { | |
1980 | case 'h': | |
1981 | case 'H': | |
ece38ef3 | 1982 | usage_hf_iclass_chk(); |
1983 | return 0; | |
5e4932e8 I |
1984 | case 'f': |
1985 | case 'F': | |
ece38ef3 | 1986 | fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename)); |
5e4932e8 I |
1987 | if (fileNameLen < 1) { |
1988 | PrintAndLog("No filename found after f"); | |
1989 | errors = true; | |
1990 | } | |
1991 | cmdp += 2; | |
1992 | break; | |
1993 | case 'e': | |
1994 | case 'E': | |
1995 | use_elite = true; | |
1996 | cmdp++; | |
1997 | break; | |
1998 | case 'r': | |
1999 | case 'R': | |
2000 | use_raw = true; | |
2001 | cmdp++; | |
2002 | break; | |
2003 | default: | |
2004 | PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); | |
2005 | errors = true; | |
2006 | break; | |
2007 | } | |
385c1a5e | 2008 | } |
ece38ef3 | 2009 | if (errors) { |
2010 | usage_hf_iclass_chk(); | |
2011 | return 0; | |
2012 | } | |
2013 | ||
385c1a5e I |
2014 | if ( !(f = fopen( filename , "r")) ) { |
2015 | PrintAndLog("File: %s: not found or locked.", filename); | |
385c1a5e I |
2016 | return 1; |
2017 | } | |
2018 | ||
2019 | while( fgets(buf, sizeof(buf), f) ){ | |
2020 | if (strlen(buf) < 16 || buf[15] == '\n') | |
2021 | continue; | |
ece38ef3 | 2022 | |
385c1a5e | 2023 | while (fgetc(f) != '\n' && !feof(f)) ; //goto next line |
ece38ef3 | 2024 | |
2025 | if( buf[0]=='#' ) continue; //The line start with # is comment, skip | |
385c1a5e I |
2026 | |
2027 | if (!isxdigit(buf[0])){ | |
2028 | PrintAndLog("File content error. '%s' must include 16 HEX symbols",buf); | |
2029 | continue; | |
2030 | } | |
ece38ef3 | 2031 | |
385c1a5e I |
2032 | buf[16] = 0; |
2033 | ||
2034 | p = realloc(keyBlock, 8 * (keyitems += 64)); | |
2035 | if (!p) { | |
2036 | PrintAndLog("Cannot allocate memory for default keys"); | |
2037 | free(keyBlock); | |
2038 | fclose(f); | |
2039 | return 2; | |
2040 | } | |
2041 | keyBlock = p; | |
2042 | ||
2043 | memset(keyBlock + 8 * keycnt, 0, 8); | |
2044 | num_to_bytes(strtoull(buf, NULL, 16), 8, keyBlock + 8 * keycnt); | |
2045 | ||
2046 | //PrintAndLog("check key[%2d] %016" PRIx64, keycnt, bytes_to_num(keyBlock + 8*keycnt, 8)); | |
2047 | keycnt++; | |
2048 | memset(buf, 0, sizeof(buf)); | |
2049 | } | |
2050 | fclose(f); | |
2051 | PrintAndLog("Loaded %2d keys from %s", keycnt, filename); | |
ece38ef3 | 2052 | |
385c1a5e I |
2053 | // time |
2054 | uint64_t t1 = msclock(); | |
ece38ef3 | 2055 | |
496bb4be | 2056 | uint8_t CSN[8]; |
2057 | if (!iClass_select(CSN, false, true, true)) { | |
2058 | PrintAndLog("Couldn't select card"); | |
2059 | DropField(); | |
2060 | return 0; | |
2061 | } | |
ece38ef3 | 2062 | |
496bb4be | 2063 | for (uint32_t c = 0; c < keycnt; c++) { |
2064 | printf("."); fflush(stdout); | |
2065 | if (ukbhit()) { | |
2066 | int gc = getchar(); (void)gc; | |
2067 | printf("\naborted via keyboard!\n"); | |
2068 | break; | |
2069 | } | |
385c1a5e | 2070 | |
496bb4be | 2071 | memcpy(key, keyBlock + 8 * c , 8); |
385c1a5e | 2072 | |
496bb4be | 2073 | // debit key |
2074 | if (!iClass_authenticate(CSN, key, mac, div_key, false, use_elite, use_raw, false)) | |
2075 | continue; | |
ece38ef3 | 2076 | |
496bb4be | 2077 | // key found. |
2078 | PrintAndLog("\n--------------------------------------------------------"); | |
2079 | PrintAndLog(" Found AA1 debit key\t\t[%s]", sprint_hex(key, 8)); | |
2080 | found_debit = true; | |
ece38ef3 | 2081 | |
496bb4be | 2082 | // credit key |
2083 | if (!iClass_authenticate(CSN, key, mac, div_key, true, use_elite, use_raw, false)) | |
2084 | continue; | |
ece38ef3 | 2085 | |
496bb4be | 2086 | // key found |
2087 | PrintAndLog("\n--------------------------------------------------------"); | |
2088 | PrintAndLog(" Found AA2 credit key\t\t[%s]", sprint_hex(key, 8)); | |
2089 | found_credit = true; | |
2090 | ||
2091 | // both keys found. | |
2092 | if (found_debit && found_credit) | |
2093 | break; | |
385c1a5e I |
2094 | } |
2095 | ||
2096 | t1 = msclock() - t1; | |
2097 | ||
2098 | PrintAndLog("\nTime in iclass checkkeys: %.0f seconds\n", (float)t1/1000.0); | |
ece38ef3 | 2099 | |
385c1a5e I |
2100 | DropField(); |
2101 | free(keyBlock); | |
2102 | PrintAndLog(""); | |
2103 | return 0; | |
2104 | } | |
2105 | ||
ece38ef3 | 2106 | |
2107 | static void usage_hf_iclass_permutekey(void) { | |
2108 | PrintAndLogEx(NORMAL, "Convert keys from standard NIST to iClass format (and vice versa)"); | |
2109 | PrintAndLogEx(NORMAL, ""); | |
2110 | PrintAndLogEx(NORMAL, "Usage: hf iclass permute [h] [r] <key>"); | |
2111 | PrintAndLogEx(NORMAL, "Options:"); | |
2112 | PrintAndLogEx(NORMAL, " h This help"); | |
2113 | PrintAndLogEx(NORMAL, " r reverse convert key from iClass to NIST format"); | |
2114 | PrintAndLogEx(NORMAL, ""); | |
2115 | PrintAndLogEx(NORMAL, "Examples:"); | |
2116 | PrintAndLogEx(NORMAL, " hf iclass permute r 0123456789abcdef"); | |
2117 | } | |
2118 | ||
2119 | ||
2120 | static int CmdHFiClassPermuteKey(const char *Cmd) { | |
2121 | ||
2122 | uint8_t key[8] = {0}; | |
2123 | uint8_t data[16] = {0}; | |
2124 | bool isReverse = false; | |
2125 | int len = sizeof(data); | |
2126 | char cmdp = tolower(param_getchar(Cmd, 0)); | |
2127 | if (strlen(Cmd) == 0 || cmdp == 'h') { | |
2128 | usage_hf_iclass_permutekey(); | |
2129 | return 0; | |
2130 | } | |
2131 | ||
2132 | if (cmdp == 'r') { | |
2133 | isReverse = true; | |
2134 | param_gethex_ex(Cmd, 1, data, &len); | |
2135 | } else if (cmdp == 'f') { | |
2136 | param_gethex_ex(Cmd, 1, data, &len); | |
2137 | } else { | |
2138 | param_gethex_ex(Cmd, 0, data, &len); | |
2139 | } | |
2140 | ||
2141 | ||
2142 | if (len % 2) { | |
2143 | usage_hf_iclass_permutekey(); | |
2144 | return 0; | |
2145 | } | |
2146 | ||
2147 | len >>= 1; | |
2148 | ||
2149 | memcpy(key, data, 8); | |
2150 | ||
2151 | if (isReverse) { | |
2152 | // generate_rev(data, len); | |
2153 | uint8_t key_std_format[8] = {0}; | |
2154 | permutekey_rev(key, key_std_format); | |
2155 | PrintAndLogEx(SUCCESS, "key in standard NIST format: %s \n", sprint_hex(key_std_format, 8)); | |
2156 | // if (mbedtls_des_key_check_key_parity(key_std_format | |
2157 | } else { | |
2158 | // generate(data, len); | |
2159 | uint8_t key_iclass_format[8] = {0}; | |
2160 | permutekey(key, key_iclass_format); | |
2161 | PrintAndLogEx(SUCCESS, "key in iClass (permuted) format: %s \n", sprint_hex(key_iclass_format, 8)); | |
2162 | } | |
2163 | return 0; | |
2164 | } | |
2165 | ||
2166 | ||
2167 | static int CmdHelp(const char *Cmd); | |
2168 | ||
2169 | static command_t CommandTable[] = { | |
2170 | {"help", CmdHelp, 1, "This help"}, | |
2171 | {"calcnewkey", CmdHFiClassCalcNewKey, 1, "[options..] Calc Diversified keys (blocks 3 & 4) to write new keys"}, | |
2172 | {"chk", CmdHFiClassCheckKeys, 0, " Check keys"}, | |
2173 | {"clone", CmdHFiClassCloneTag, 0, "[options..] Authenticate and Clone from iClass bin file"}, | |
2174 | {"decrypt", CmdHFiClassDecrypt, 1, "[f <fname>] Decrypt tagdump" }, | |
2175 | {"dump", CmdHFiClassReader_Dump, 0, "[options..] Authenticate and Dump iClass tag's AA1"}, | |
2176 | {"eload", CmdHFiClassELoad, 0, "[f <fname>] (experimental) Load data into iClass emulator memory"}, | |
2177 | {"encryptblk", CmdHFiClassEncryptBlk, 1, "<BlockData> Encrypt given block data"}, | |
2178 | {"list", CmdHFiClassList, 0, " (Deprecated) List iClass history"}, | |
2179 | {"loclass", CmdHFiClass_loclass, 1, "[options..] Use loclass to perform bruteforce of reader attack dump"}, | |
2180 | {"managekeys", CmdHFiClassManageKeys, 1, "[options..] Manage the keys to use with iClass"}, | |
2181 | {"permutekey", CmdHFiClassPermuteKey, 1, " iClass key permutation"}, | |
2182 | {"readblk", CmdHFiClass_ReadBlock, 0, "[options..] Authenticate and Read iClass block"}, | |
2183 | {"reader", CmdHFiClassReader, 0, " Look for iClass tags until a key or the pm3 button is pressed"}, | |
2184 | {"readtagfile", CmdHFiClassReadTagFile, 1, "[options..] Display Content from tagfile"}, | |
2185 | {"replay", CmdHFiClassReader_Replay, 0, "<mac> Read an iClass tag via Reply Attack"}, | |
2186 | {"sim", CmdHFiClassSim, 0, "[options..] Simulate iClass tag"}, | |
2187 | {"snoop", CmdHFiClassSnoop, 0, " Eavesdrop iClass communication"}, | |
2188 | {"writeblk", CmdHFiClass_WriteBlock, 0, "[options..] Authenticate and Write iClass block"}, | |
6f101995 | 2189 | {NULL, NULL, 0, NULL} |
cee5a30d | 2190 | }; |
2191 | ||
ece38ef3 | 2192 | |
2193 | int CmdHFiClass(const char *Cmd) { | |
2194 | clearCommandBuffer(); | |
53444513 MHS |
2195 | CmdsParse(CommandTable, Cmd); |
2196 | return 0; | |
cee5a30d | 2197 | } |
2198 | ||
ece38ef3 | 2199 | |
2200 | int CmdHelp(const char *Cmd) { | |
53444513 MHS |
2201 | CmdsHelp(CommandTable); |
2202 | return 0; | |
cee5a30d | 2203 | } |