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1 //-----------------------------------------------------------------------------
2 // 2011, 2017 Merlok
3 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
4 //
5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
6 // at your option, any later version. See the LICENSE.txt file for the text of
7 // the license.
8 //-----------------------------------------------------------------------------
9 // High frequency ISO14443A commands
10 //-----------------------------------------------------------------------------
11
12 #include "cmdhf14a.h"
13
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <inttypes.h>
17 #include <string.h>
18 #include <unistd.h>
19 #include <ctype.h>
20 #include "util.h"
21 #include "util_posix.h"
22 #include "iso14443crc.h"
23 #include "data.h"
24 #include "proxmark3.h"
25 #include "ui.h"
26 #include "cmdparser.h"
27 #include "common.h"
28 #include "cmdmain.h"
29 #include "mifare.h"
30 #include "cmdhfmfu.h"
31 #include "mifarehost.h"
32 #include "emv/apduinfo.h"
33 #include "emv/emvcore.h"
34
35 static int CmdHelp(const char *Cmd);
36 static int waitCmd(uint8_t iLen);
37
38 // structure and database for uid -> tagtype lookups
39 typedef struct {
40 uint8_t uid;
41 char* desc;
42 } manufactureName;
43
44 static const manufactureName manufactureMapping[] = {
45 // ID, "Vendor Country"
46 { 0x01, "Motorola UK" },
47 { 0x02, "ST Microelectronics SA France" },
48 { 0x03, "Hitachi, Ltd Japan" },
49 { 0x04, "NXP Semiconductors Germany" },
50 { 0x05, "Infineon Technologies AG Germany" },
51 { 0x06, "Cylink USA" },
52 { 0x07, "Texas Instrument France" },
53 { 0x08, "Fujitsu Limited Japan" },
54 { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
55 { 0x0A, "NEC Japan" },
56 { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
57 { 0x0C, "Toshiba Corp. Japan" },
58 { 0x0D, "Mitsubishi Electric Corp. Japan" },
59 { 0x0E, "Samsung Electronics Co. Ltd Korea" },
60 { 0x0F, "Hynix / Hyundai, Korea" },
61 { 0x10, "LG-Semiconductors Co. Ltd Korea" },
62 { 0x11, "Emosyn-EM Microelectronics USA" },
63 { 0x12, "INSIDE Technology France" },
64 { 0x13, "ORGA Kartensysteme GmbH Germany" },
65 { 0x14, "SHARP Corporation Japan" },
66 { 0x15, "ATMEL France" },
67 { 0x16, "EM Microelectronic-Marin SA Switzerland" },
68 { 0x17, "KSW Microtec GmbH Germany" },
69 { 0x18, "ZMD AG Germany" },
70 { 0x19, "XICOR, Inc. USA" },
71 { 0x1A, "Sony Corporation Japan Identifier Company Country" },
72 { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
73 { 0x1C, "Emosyn USA" },
74 { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
75 { 0x1E, "Magellan Technology Pty Limited Australia" },
76 { 0x1F, "Melexis NV BO Switzerland" },
77 { 0x20, "Renesas Technology Corp. Japan" },
78 { 0x21, "TAGSYS France" },
79 { 0x22, "Transcore USA" },
80 { 0x23, "Shanghai belling corp., ltd. China" },
81 { 0x24, "Masktech Germany Gmbh Germany" },
82 { 0x25, "Innovision Research and Technology Plc UK" },
83 { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
84 { 0x27, "Cypak AB Sweden" },
85 { 0x28, "Ricoh Japan" },
86 { 0x29, "ASK France" },
87 { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
88 { 0x2B, "Dallas Semiconductor/Maxim USA" },
89 { 0x2C, "Impinj, Inc. USA" },
90 { 0x2D, "RightPlug Alliance USA" },
91 { 0x2E, "Broadcom Corporation USA" },
92 { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
93 { 0x30, "BeeDar Technology Inc. USA" },
94 { 0x31, "RFIDsec Denmark" },
95 { 0x32, "Schweizer Electronic AG Germany" },
96 { 0x33, "AMIC Technology Corp Taiwan" },
97 { 0x34, "Mikron JSC Russia" },
98 { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
99 { 0x36, "IDS Microchip AG Switzerland" },
100 { 0x37, "Kovio USA" },
101 { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
102 { 0x39, "Silicon Craft Technology Thailand" },
103 { 0x3A, "Advanced Film Device Inc. Japan" },
104 { 0x3B, "Nitecrest Ltd UK" },
105 { 0x3C, "Verayo Inc. USA" },
106 { 0x3D, "HID Global USA" },
107 { 0x3E, "Productivity Engineering Gmbh Germany" },
108 { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
109 { 0x40, "Gemalto SA France" },
110 { 0x41, "Renesas Electronics Corporation Japan" },
111 { 0x42, "3Alogics Inc Korea" },
112 { 0x43, "Top TroniQ Asia Limited Hong Kong" },
113 { 0x44, "Gentag Inc (USA) USA" },
114 { 0x00, "no tag-info available" } // must be the last entry
115 };
116
117 // get a product description based on the UID
118 // uid[8] tag uid
119 // returns description of the best match
120 char* getTagInfo(uint8_t uid) {
121
122 int i;
123 int len = sizeof(manufactureMapping) / sizeof(manufactureName);
124
125 for ( i = 0; i < len; ++i )
126 if ( uid == manufactureMapping[i].uid)
127 return manufactureMapping[i].desc;
128
129 //No match, return default
130 return manufactureMapping[len-1].desc;
131 }
132
133 int CmdHF14AList(const char *Cmd)
134 {
135 PrintAndLog("Deprecated command, use 'hf list 14a' instead");
136 return 0;
137 }
138
139 int CmdHF14AReader(const char *Cmd) {
140 uint32_t cm = ISO14A_CONNECT;
141 bool disconnectAfter = true;
142
143 int cmdp = 0;
144 while(param_getchar(Cmd, cmdp) != 0x00) {
145 switch(param_getchar(Cmd, cmdp)) {
146 case 'h':
147 case 'H':
148 PrintAndLog("Usage: hf 14a reader [k|x] [3]");
149 PrintAndLog(" k keep the field active after command executed");
150 PrintAndLog(" x just drop the signal field");
151 PrintAndLog(" 3 ISO14443-3 select only (skip RATS)");
152 return 0;
153 case '3':
154 cm |= ISO14A_NO_RATS;
155 break;
156 case 'k':
157 case 'K':
158 disconnectAfter = false;
159 break;
160 case 'x':
161 case 'X':
162 cm &= ~ISO14A_CONNECT;
163 break;
164 default:
165 PrintAndLog("Unknown command.");
166 return 1;
167 }
168
169 cmdp++;
170 }
171
172 if (!disconnectAfter)
173 cm |= ISO14A_NO_DISCONNECT;
174
175 UsbCommand c = {CMD_READER_ISO_14443a, {cm, 0, 0}};
176 SendCommand(&c);
177
178 if (ISO14A_CONNECT & cm) {
179 UsbCommand resp;
180 WaitForResponse(CMD_ACK,&resp);
181
182 iso14a_card_select_t card;
183 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
184
185 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
186
187 if(select_status == 0) {
188 PrintAndLog("iso14443a card select failed");
189 return 1;
190 }
191
192 if(select_status == 3) {
193 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
194 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
195 return 1;
196 }
197
198 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
199 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
200 PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]);
201 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
202 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
203 }
204 if (!disconnectAfter) {
205 PrintAndLog("Card is selected. You can now start sending commands");
206 }
207 }
208
209 if (disconnectAfter) {
210 PrintAndLog("Field dropped.");
211 }
212
213 return 0;
214 }
215
216 int CmdHF14AInfo(const char *Cmd)
217 {
218 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
219 SendCommand(&c);
220
221 UsbCommand resp;
222 WaitForResponse(CMD_ACK,&resp);
223
224 iso14a_card_select_t card;
225 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
226
227 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
228
229 if(select_status == 0) {
230 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
231 // disconnect
232 c.arg[0] = 0;
233 c.arg[1] = 0;
234 c.arg[2] = 0;
235 SendCommand(&c);
236 return 0;
237 }
238
239 if(select_status == 3) {
240 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
241 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
242 // disconnect
243 c.arg[0] = 0;
244 c.arg[1] = 0;
245 c.arg[2] = 0;
246 SendCommand(&c);
247 return 0;
248 }
249
250 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
251 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
252 PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]);
253
254 bool isMifareClassic = true;
255 switch (card.sak) {
256 case 0x00:
257 isMifareClassic = false;
258
259 //***************************************test****************
260 // disconnect
261 c.arg[0] = 0;
262 c.arg[1] = 0;
263 c.arg[2] = 0;
264 SendCommand(&c);
265
266 uint32_t tagT = GetHF14AMfU_Type();
267 ul_print_type(tagT, 0);
268
269 //reconnect for further tests
270 c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
271 c.arg[1] = 0;
272 c.arg[2] = 0;
273
274 SendCommand(&c);
275
276 UsbCommand resp;
277 WaitForResponse(CMD_ACK,&resp);
278
279 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
280
281 select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
282
283 if(select_status == 0) {
284 //PrintAndLog("iso14443a card select failed");
285 // disconnect
286 c.arg[0] = 0;
287 c.arg[1] = 0;
288 c.arg[2] = 0;
289 SendCommand(&c);
290 return 0;
291 }
292
293 /* orig
294 // check if the tag answers to GETVERSION (0x60)
295 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
296 c.arg[1] = 1;
297 c.arg[2] = 0;
298 c.d.asBytes[0] = 0x60;
299 SendCommand(&c);
300 WaitForResponse(CMD_ACK,&resp);
301
302 uint8_t version[10] = {0};
303 memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
304 uint8_t len = resp.arg[0] & 0xff;
305 switch ( len ){
306 // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
307 // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
308 case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);break;
309 case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
310 case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
311 }
312 */
313 break;
314 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
315 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
316 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
317 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
318 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
319 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
320 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
321 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
322 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
323 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
324 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
325 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
326 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
327 default: ;
328 }
329
330 // Double & triple sized UID, can be mapped to a manufacturer.
331 // HACK: does this apply for Ultralight cards?
332 if ( card.uidlen > 4 ) {
333 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
334 }
335
336 // try to request ATS even if tag claims not to support it
337 if (select_status == 2) {
338 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
339 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
340 c.arg[1] = 2;
341 c.arg[2] = 0;
342 memcpy(c.d.asBytes, rats, 2);
343 SendCommand(&c);
344 WaitForResponse(CMD_ACK,&resp);
345
346 memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
347 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
348 }
349
350 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
351 bool ta1 = 0, tb1 = 0, tc1 = 0;
352 int pos;
353
354 if (select_status == 2) {
355 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
356 }
357 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
358 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
359 if (card.ats[0] != card.ats_len - 2) {
360 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
361 }
362
363 if (card.ats[0] > 1) { // there is a format byte (T0)
364 ta1 = (card.ats[1] & 0x10) == 0x10;
365 tb1 = (card.ats[1] & 0x20) == 0x20;
366 tc1 = (card.ats[1] & 0x40) == 0x40;
367 int16_t fsci = card.ats[1] & 0x0f;
368 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
369 "TC1 is%s present, FSCI is %d (FSC = %ld)",
370 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
371 fsci,
372 fsci < 5 ? (fsci - 2) * 8 :
373 fsci < 8 ? (fsci - 3) * 32 :
374 fsci == 8 ? 256 :
375 -1
376 );
377 }
378 pos = 2;
379 if (ta1) {
380 char dr[16], ds[16];
381 dr[0] = ds[0] = '\0';
382 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
383 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
384 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
385 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
386 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
387 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
388 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
389 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
390 PrintAndLog(" - TA1 : different divisors are%s supported, "
391 "DR: [%s], DS: [%s]",
392 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
393 pos++;
394 }
395 if (tb1) {
396 uint32_t sfgi = card.ats[pos] & 0x0F;
397 uint32_t fwi = card.ats[pos] >> 4;
398 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
399 (sfgi),
400 sfgi ? "" : "(not needed) ",
401 sfgi ? (1 << 12) << sfgi : 0,
402 fwi,
403 (1 << 12) << fwi
404 );
405 pos++;
406 }
407 if (tc1) {
408 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
409 (card.ats[pos] & 0x01) ? "" : " NOT",
410 (card.ats[pos] & 0x02) ? "" : " NOT");
411 pos++;
412 }
413 if (card.ats[0] > pos) {
414 char *tip = "";
415 if (card.ats[0] - pos >= 7) {
416 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
417 tip = "-> MIFARE Plus X 2K or 4K";
418 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
419 tip = "-> MIFARE Plus S 2K or 4K";
420 }
421 }
422 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
423 if (card.ats[pos] == 0xC1) {
424 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
425 PrintAndLog(" %02x -> Length is %d bytes",
426 card.ats[pos + 1], card.ats[pos + 1]);
427 switch (card.ats[pos + 2] & 0xf0) {
428 case 0x10:
429 PrintAndLog(" 1x -> MIFARE DESFire");
430 break;
431 case 0x20:
432 PrintAndLog(" 2x -> MIFARE Plus");
433 break;
434 }
435 switch (card.ats[pos + 2] & 0x0f) {
436 case 0x00:
437 PrintAndLog(" x0 -> <1 kByte");
438 break;
439 case 0x01:
440 PrintAndLog(" x1 -> 1 kByte");
441 break;
442 case 0x02:
443 PrintAndLog(" x2 -> 2 kByte");
444 break;
445 case 0x03:
446 PrintAndLog(" x3 -> 4 kByte");
447 break;
448 case 0x04:
449 PrintAndLog(" x4 -> 8 kByte");
450 break;
451 }
452 switch (card.ats[pos + 3] & 0xf0) {
453 case 0x00:
454 PrintAndLog(" 0x -> Engineering sample");
455 break;
456 case 0x20:
457 PrintAndLog(" 2x -> Released");
458 break;
459 }
460 switch (card.ats[pos + 3] & 0x0f) {
461 case 0x00:
462 PrintAndLog(" x0 -> Generation 1");
463 break;
464 case 0x01:
465 PrintAndLog(" x1 -> Generation 2");
466 break;
467 case 0x02:
468 PrintAndLog(" x2 -> Generation 3");
469 break;
470 }
471 switch (card.ats[pos + 4] & 0x0f) {
472 case 0x00:
473 PrintAndLog(" x0 -> Only VCSL supported");
474 break;
475 case 0x01:
476 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
477 break;
478 case 0x0E:
479 PrintAndLog(" xE -> no VCS command supported");
480 break;
481 }
482 }
483 }
484 } else {
485 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
486 }
487
488
489 // try to see if card responses to "chinese magic backdoor" commands.
490 mfCIdentify();
491
492 if (isMifareClassic) {
493 switch(DetectClassicPrng()) {
494 case 0:
495 PrintAndLog("Prng detection: HARDEND (hardnested)");
496 break;
497 case 1:
498 PrintAndLog("Prng detection: WEAK");
499 break;
500 default:
501 PrintAndLog("Prng detection error.");
502 }
503 }
504
505 return select_status;
506 }
507
508 // Collect ISO14443 Type A UIDs
509 int CmdHF14ACUIDs(const char *Cmd)
510 {
511 // requested number of UIDs
512 int n = atoi(Cmd);
513 // collect at least 1 (e.g. if no parameter was given)
514 n = n > 0 ? n : 1;
515
516 PrintAndLog("Collecting %d UIDs", n);
517 PrintAndLog("Start: %" PRIu64, msclock()/1000);
518 // repeat n times
519 for (int i = 0; i < n; i++) {
520 // execute anticollision procedure
521 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_RATS, 0, 0}};
522 SendCommand(&c);
523
524 UsbCommand resp;
525 WaitForResponse(CMD_ACK,&resp);
526
527 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
528
529 // check if command failed
530 if (resp.arg[0] == 0) {
531 PrintAndLog("Card select failed.");
532 } else {
533 char uid_string[20];
534 for (uint16_t i = 0; i < card->uidlen; i++) {
535 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
536 }
537 PrintAndLog("%s", uid_string);
538 }
539 }
540 PrintAndLog("End: %" PRIu64, msclock()/1000);
541
542 return 1;
543 }
544
545 // ## simulate iso14443a tag
546 // ## greg - added ability to specify tag UID
547 int CmdHF14ASim(const char *Cmd)
548 {
549 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
550
551 // Retrieve the tag type
552 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
553
554 // When no argument was given, just print help message
555 if (tagtype == 0) {
556 PrintAndLog("");
557 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
558 PrintAndLog("");
559 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
560 PrintAndLog(" types: 1 = MIFARE Classic");
561 PrintAndLog(" 2 = MIFARE Ultralight");
562 PrintAndLog(" 3 = MIFARE Desfire");
563 PrintAndLog(" 4 = ISO/IEC 14443-4");
564 PrintAndLog(" 5 = MIFARE Tnp3xxx");
565 PrintAndLog("");
566 return 1;
567 }
568
569 // Store the tag type
570 c.arg[0] = tagtype;
571
572 // Retrieve the full 4 or 7 byte long uid
573 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
574
575 // Are we handling the (optional) second part uid?
576 if (long_uid > 0xffffffff) {
577 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014" PRIx64 ")",long_uid);
578 // Store the second part
579 c.arg[2] = (long_uid & 0xffffffff);
580 long_uid >>= 32;
581 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
582 c.arg[1] = (long_uid & 0xffffff);
583 } else {
584 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
585 // Only store the first part
586 c.arg[1] = long_uid & 0xffffffff;
587 }
588 /*
589 // At lease save the mandatory first part of the UID
590 c.arg[0] = long_uid & 0xffffffff;
591
592 if (c.arg[1] == 0) {
593 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
594 }
595
596 switch (c.arg[0]) {
597 case 1: {
598 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
599 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
600 } break;
601 case 2: {
602 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
603 } break;
604 default: {
605 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
606 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
607 PrintAndLog(" type1: 4 ",c.arg[0]);
608
609 return 1;
610 } break;
611 }
612 */
613 /*
614 unsigned int hi = 0, lo = 0;
615 int n = 0, i = 0;
616 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
617 hi= (hi << 4) | (lo >> 28);
618 lo= (lo << 4) | (n & 0xf);
619 }
620 */
621 // UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
622 // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
623 SendCommand(&c);
624 return 0;
625 }
626
627 int CmdHF14ASnoop(const char *Cmd) {
628 int param = 0;
629
630 uint8_t ctmp = param_getchar(Cmd, 0) ;
631 if (ctmp == 'h' || ctmp == 'H') {
632 PrintAndLog("It get data from the field and saves it into command buffer.");
633 PrintAndLog("Buffer accessible from command hf list 14a.");
634 PrintAndLog("Usage: hf 14a snoop [c][r]");
635 PrintAndLog("c - triggered by first data from card");
636 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
637 PrintAndLog("sample: hf 14a snoop c r");
638 return 0;
639 }
640
641 for (int i = 0; i < 2; i++) {
642 ctmp = param_getchar(Cmd, i);
643 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
644 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
645 }
646
647 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
648 SendCommand(&c);
649 return 0;
650 }
651
652 void DropField() {
653 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
654 SendCommand(&c);
655 }
656
657 int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
658 uint16_t cmdc = 0;
659
660 if (activateField) {
661 cmdc |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
662 }
663 if (leaveSignalON)
664 cmdc |= ISO14A_NO_DISCONNECT;
665
666 // "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes
667 // https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size
668 // here length USB_CMD_DATA_SIZE=512
669 // timeout must be authomatically set by "get ATS"
670 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | cmdc, (datainlen & 0xFFFF), 0}};
671 memcpy(c.d.asBytes, datain, datainlen);
672 SendCommand(&c);
673
674 uint8_t *recv;
675 UsbCommand resp;
676
677 if (activateField) {
678 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
679 PrintAndLog("APDU ERROR: Proxmark connection timeout.");
680 return 1;
681 }
682 if (resp.arg[0] != 1) {
683 PrintAndLog("APDU ERROR: Proxmark error %d.", resp.arg[0]);
684 return 1;
685 }
686 }
687
688 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
689 recv = resp.d.asBytes;
690 int iLen = resp.arg[0];
691
692 *dataoutlen = iLen - 2;
693 if (*dataoutlen < 0)
694 *dataoutlen = 0;
695
696 if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
697 PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
698 return 2;
699 }
700
701 memcpy(dataout, recv, *dataoutlen);
702
703 if(!iLen) {
704 PrintAndLog("APDU ERROR: No APDU response.");
705 return 1;
706 }
707
708 // check block TODO
709 if (iLen == -2) {
710 PrintAndLog("APDU ERROR: Block type mismatch.");
711 return 2;
712 }
713
714 // CRC Check
715 if (iLen == -1) {
716 PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
717 return 3;
718 }
719
720 // check apdu length
721 if (iLen < 4) {
722 PrintAndLog("APDU ERROR: Small APDU response. Len=%d", iLen);
723 return 2;
724 }
725
726 } else {
727 PrintAndLog("APDU ERROR: Reply timeout.");
728 return 4;
729 }
730
731 return 0;
732 }
733
734 // ISO14443-4. 7. Half-duplex block transmission protocol
735 int CmdHF14AAPDU(const char *cmd) {
736 uint8_t data[USB_CMD_DATA_SIZE];
737 int datalen = 0;
738 bool activateField = false;
739 bool leaveSignalON = false;
740 bool decodeTLV = false;
741
742 if (strlen(cmd) < 2) {
743 PrintAndLog("Usage: hf 14a apdu [-s] [-k] [-t] <APDU (hex)>");
744 PrintAndLog("Command sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)");
745 PrintAndLog(" -s activate field and select card");
746 PrintAndLog(" -k leave the signal field ON after receive response");
747 PrintAndLog(" -t executes TLV decoder if it possible. TODO!!!!");
748 return 0;
749 }
750
751 int cmdp = 0;
752 while(param_getchar(cmd, cmdp) != 0x00) {
753 char c = param_getchar(cmd, cmdp);
754 if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
755 switch (param_getchar_indx(cmd, 1, cmdp)) {
756 case 's':
757 case 'S':
758 activateField = true;
759 break;
760 case 'k':
761 case 'K':
762 leaveSignalON = true;
763 break;
764 case 't':
765 case 'T':
766 decodeTLV = true;
767 break;
768 default:
769 PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
770 return 1;
771 }
772
773 if (isxdigit((unsigned char)c)) {
774 // len = data + PCB(1b) + CRC(2b)
775 switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data) - 1 - 2, &datalen)) {
776 case 1:
777 PrintAndLog("Invalid HEX value.");
778 return 1;
779 case 2:
780 PrintAndLog("APDU too large.");
781 return 1;
782 case 3:
783 PrintAndLog("Hex must have even number of digits.");
784 return 1;
785 }
786
787 // we get all the hex to end of line with spaces
788 break;
789 }
790
791 cmdp++;
792 }
793
794 PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
795
796 int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
797
798 if (res)
799 return res;
800
801 PrintAndLog("<<<< %s", sprint_hex(data, datalen));
802
803 PrintAndLog("APDU response: %02x %02x - %s", data[datalen - 2], data[datalen - 1], GetAPDUCodeDescription(data[datalen - 2], data[datalen - 1]));
804
805 // TLV decoder
806 if (decodeTLV && datalen > 4) {
807 TLVPrintFromBuffer(data, datalen - 2);
808 }
809
810 return 0;
811 }
812
813 int CmdHF14ACmdRaw(const char *cmd) {
814 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
815 bool reply=1;
816 bool crc = false;
817 bool power = false;
818 bool active = false;
819 bool active_select = false;
820 bool no_rats = false;
821 uint16_t numbits = 0;
822 bool bTimeout = false;
823 uint32_t timeout = 0;
824 bool topazmode = false;
825 char buf[5]="";
826 int i = 0;
827 uint8_t data[USB_CMD_DATA_SIZE];
828 uint16_t datalen = 0;
829 uint32_t temp;
830
831 if (strlen(cmd)<2) {
832 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
833 PrintAndLog(" -r do not read response");
834 PrintAndLog(" -c calculate and append CRC");
835 PrintAndLog(" -p leave the signal field ON after receive");
836 PrintAndLog(" -a active signal field ON without select");
837 PrintAndLog(" -s active signal field ON with select");
838 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
839 PrintAndLog(" -t timeout in ms");
840 PrintAndLog(" -T use Topaz protocol to send command");
841 PrintAndLog(" -3 ISO14443-3 select only (skip RATS)");
842 return 0;
843 }
844
845
846 // strip
847 while (*cmd==' ' || *cmd=='\t') cmd++;
848
849 while (cmd[i]!='\0') {
850 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
851 if (cmd[i]=='-') {
852 switch (cmd[i+1]) {
853 case 'r':
854 reply = false;
855 break;
856 case 'c':
857 crc = true;
858 break;
859 case 'p':
860 power = true;
861 break;
862 case 'a':
863 active = true;
864 break;
865 case 's':
866 active_select = true;
867 break;
868 case 'b':
869 sscanf(cmd+i+2,"%d",&temp);
870 numbits = temp & 0xFFFF;
871 i+=3;
872 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
873 i-=2;
874 break;
875 case 't':
876 bTimeout = true;
877 sscanf(cmd+i+2,"%d",&temp);
878 timeout = temp;
879 i+=3;
880 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
881 i-=2;
882 break;
883 case 'T':
884 topazmode = true;
885 break;
886 case '3':
887 no_rats = true;
888 break;
889 default:
890 PrintAndLog("Invalid option");
891 return 0;
892 }
893 i+=2;
894 continue;
895 }
896 if ((cmd[i]>='0' && cmd[i]<='9') ||
897 (cmd[i]>='a' && cmd[i]<='f') ||
898 (cmd[i]>='A' && cmd[i]<='F') ) {
899 buf[strlen(buf)+1]=0;
900 buf[strlen(buf)]=cmd[i];
901 i++;
902
903 if (strlen(buf)>=2) {
904 sscanf(buf,"%x",&temp);
905 data[datalen]=(uint8_t)(temp & 0xff);
906 *buf=0;
907 if (datalen > sizeof(data)-1) {
908 if (crc)
909 PrintAndLog("Buffer is full, we can't add CRC to your data");
910 break;
911 } else {
912 datalen++;
913 }
914 }
915 continue;
916 }
917 PrintAndLog("Invalid char on input");
918 return 0;
919 }
920
921 if(crc && datalen>0 && datalen<sizeof(data)-2)
922 {
923 uint8_t first, second;
924 if (topazmode) {
925 ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
926 } else {
927 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
928 }
929 data[datalen++] = first;
930 data[datalen++] = second;
931 }
932
933 if(active || active_select)
934 {
935 c.arg[0] |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
936 if(active)
937 c.arg[0] |= ISO14A_NO_SELECT;
938 }
939
940 if(bTimeout){
941 #define MAX_TIMEOUT 40542464 // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
942 c.arg[0] |= ISO14A_SET_TIMEOUT;
943 if(timeout > MAX_TIMEOUT) {
944 timeout = MAX_TIMEOUT;
945 PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
946 }
947 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
948 }
949
950 if(power) {
951 c.arg[0] |= ISO14A_NO_DISCONNECT;
952 }
953
954 if(datalen > 0) {
955 c.arg[0] |= ISO14A_RAW;
956 }
957
958 if(topazmode) {
959 c.arg[0] |= ISO14A_TOPAZMODE;
960 }
961
962 if(no_rats) {
963 c.arg[0] |= ISO14A_NO_RATS;
964 }
965
966 // Max buffer is USB_CMD_DATA_SIZE (512)
967 c.arg[1] = (datalen & 0xFFFF) | ((uint32_t)numbits << 16);
968 memcpy(c.d.asBytes,data,datalen);
969
970 SendCommand(&c);
971
972 if (reply) {
973 int res = 0;
974 if (active_select)
975 res = waitCmd(1);
976 if (!res && datalen > 0)
977 waitCmd(0);
978 } // if reply
979 return 0;
980 }
981
982
983 static int waitCmd(uint8_t iSelect) {
984 uint8_t *recv;
985 UsbCommand resp;
986 char *hexout;
987
988 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
989 recv = resp.d.asBytes;
990 uint8_t iLen = resp.arg[0];
991 if (iSelect){
992 iLen = resp.arg[1];
993 if (iLen){
994 PrintAndLog("Card selected. UID[%i]:", iLen);
995 } else {
996 PrintAndLog("Can't select card.");
997 }
998 } else {
999 PrintAndLog("received %i bytes:", iLen);
1000 }
1001 if(!iLen)
1002 return 1;
1003 hexout = (char *)malloc(iLen * 3 + 1);
1004 if (hexout != NULL) {
1005 for (int i = 0; i < iLen; i++) { // data in hex
1006 sprintf(&hexout[i * 3], "%02X ", recv[i]);
1007 }
1008 PrintAndLog("%s", hexout);
1009 free(hexout);
1010 } else {
1011 PrintAndLog("malloc failed your client has low memory?");
1012 return 2;
1013 }
1014 } else {
1015 PrintAndLog("timeout while waiting for reply.");
1016 return 3;
1017 }
1018 return 0;
1019 }
1020
1021 static command_t CommandTable[] =
1022 {
1023 {"help", CmdHelp, 1, "This help"},
1024 {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
1025 {"reader", CmdHF14AReader, 0, "Start acting like an ISO14443 Type A reader"},
1026 {"info", CmdHF14AInfo, 0, "Reads card and shows information about it"},
1027 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
1028 {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
1029 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
1030 {"apdu", CmdHF14AAPDU, 0, "Send an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol"},
1031 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
1032 {NULL, NULL, 0, NULL}
1033 };
1034
1035 int CmdHF14A(const char *Cmd) {
1036 // flush
1037 WaitForResponseTimeout(CMD_ACK,NULL,100);
1038
1039 // parse
1040 CmdsParse(CommandTable, Cmd);
1041 return 0;
1042 }
1043
1044 int CmdHelp(const char *Cmd)
1045 {
1046 CmdsHelp(CommandTable);
1047 return 0;
1048 }
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