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1 //-----------------------------------------------------------------------------
2 // 2011, 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 <stdio.h>
13 #include <stdlib.h>
14 #include <inttypes.h>
15 #include <string.h>
16 #include <unistd.h>
17 #include "util.h"
18 #include "util_posix.h"
19 #include "iso14443crc.h"
20 #include "data.h"
21 #include "proxmark3.h"
22 #include "ui.h"
23 #include "cmdparser.h"
24 #include "cmdhf14a.h"
25 #include "common.h"
26 #include "cmdmain.h"
27 #include "mifare.h"
28 #include "cmdhfmfu.h"
29 #include "mifarehost.h"
30
31 static int CmdHelp(const char *Cmd);
32 static void waitCmd(uint8_t iLen);
33
34 // structure and database for uid -> tagtype lookups
35 typedef struct {
36 uint8_t uid;
37 char* desc;
38 } manufactureName;
39
40 const manufactureName manufactureMapping[] = {
41 // ID, "Vendor Country"
42 { 0x01, "Motorola UK" },
43 { 0x02, "ST Microelectronics SA France" },
44 { 0x03, "Hitachi, Ltd Japan" },
45 { 0x04, "NXP Semiconductors Germany" },
46 { 0x05, "Infineon Technologies AG Germany" },
47 { 0x06, "Cylink USA" },
48 { 0x07, "Texas Instrument France" },
49 { 0x08, "Fujitsu Limited Japan" },
50 { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
51 { 0x0A, "NEC Japan" },
52 { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
53 { 0x0C, "Toshiba Corp. Japan" },
54 { 0x0D, "Mitsubishi Electric Corp. Japan" },
55 { 0x0E, "Samsung Electronics Co. Ltd Korea" },
56 { 0x0F, "Hynix / Hyundai, Korea" },
57 { 0x10, "LG-Semiconductors Co. Ltd Korea" },
58 { 0x11, "Emosyn-EM Microelectronics USA" },
59 { 0x12, "INSIDE Technology France" },
60 { 0x13, "ORGA Kartensysteme GmbH Germany" },
61 { 0x14, "SHARP Corporation Japan" },
62 { 0x15, "ATMEL France" },
63 { 0x16, "EM Microelectronic-Marin SA Switzerland" },
64 { 0x17, "KSW Microtec GmbH Germany" },
65 { 0x18, "ZMD AG Germany" },
66 { 0x19, "XICOR, Inc. USA" },
67 { 0x1A, "Sony Corporation Japan Identifier Company Country" },
68 { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
69 { 0x1C, "Emosyn USA" },
70 { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
71 { 0x1E, "Magellan Technology Pty Limited Australia" },
72 { 0x1F, "Melexis NV BO Switzerland" },
73 { 0x20, "Renesas Technology Corp. Japan" },
74 { 0x21, "TAGSYS France" },
75 { 0x22, "Transcore USA" },
76 { 0x23, "Shanghai belling corp., ltd. China" },
77 { 0x24, "Masktech Germany Gmbh Germany" },
78 { 0x25, "Innovision Research and Technology Plc UK" },
79 { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
80 { 0x27, "Cypak AB Sweden" },
81 { 0x28, "Ricoh Japan" },
82 { 0x29, "ASK France" },
83 { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
84 { 0x2B, "Dallas Semiconductor/Maxim USA" },
85 { 0x2C, "Impinj, Inc. USA" },
86 { 0x2D, "RightPlug Alliance USA" },
87 { 0x2E, "Broadcom Corporation USA" },
88 { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
89 { 0x30, "BeeDar Technology Inc. USA" },
90 { 0x31, "RFIDsec Denmark" },
91 { 0x32, "Schweizer Electronic AG Germany" },
92 { 0x33, "AMIC Technology Corp Taiwan" },
93 { 0x34, "Mikron JSC Russia" },
94 { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
95 { 0x36, "IDS Microchip AG Switzerland" },
96 { 0x37, "Kovio USA" },
97 { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
98 { 0x39, "Silicon Craft Technology Thailand" },
99 { 0x3A, "Advanced Film Device Inc. Japan" },
100 { 0x3B, "Nitecrest Ltd UK" },
101 { 0x3C, "Verayo Inc. USA" },
102 { 0x3D, "HID Global USA" },
103 { 0x3E, "Productivity Engineering Gmbh Germany" },
104 { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
105 { 0x40, "Gemalto SA France" },
106 { 0x41, "Renesas Electronics Corporation Japan" },
107 { 0x42, "3Alogics Inc Korea" },
108 { 0x43, "Top TroniQ Asia Limited Hong Kong" },
109 { 0x44, "Gentag Inc (USA) USA" },
110 { 0x00, "no tag-info available" } // must be the last entry
111 };
112
113
114 // get a product description based on the UID
115 // uid[8] tag uid
116 // returns description of the best match
117 char* getTagInfo(uint8_t uid) {
118
119 int i;
120 int len = sizeof(manufactureMapping) / sizeof(manufactureName);
121
122 for ( i = 0; i < len; ++i )
123 if ( uid == manufactureMapping[i].uid)
124 return manufactureMapping[i].desc;
125
126 //No match, return default
127 return manufactureMapping[len-1].desc;
128 }
129
130 int CmdHF14AList(const char *Cmd)
131 {
132 PrintAndLog("Deprecated command, use 'hf list 14a' instead");
133 return 0;
134 }
135
136 int CmdHF14AReader(const char *Cmd)
137 {
138 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
139 SendCommand(&c);
140
141 UsbCommand resp;
142 WaitForResponse(CMD_ACK,&resp);
143
144 iso14a_card_select_t card;
145 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
146
147 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
148
149 if(select_status == 0) {
150 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
151 // disconnect
152 c.arg[0] = 0;
153 c.arg[1] = 0;
154 c.arg[2] = 0;
155 SendCommand(&c);
156 return 0;
157 }
158
159 if(select_status == 3) {
160 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
161 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
162 // disconnect
163 c.arg[0] = 0;
164 c.arg[1] = 0;
165 c.arg[2] = 0;
166 SendCommand(&c);
167 return 0;
168 }
169
170 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
171 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
172 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
173
174 bool isMifareClassic = true;
175 switch (card.sak) {
176 case 0x00:
177 isMifareClassic = false;
178 //***************************************test****************
179 // disconnect
180 c.arg[0] = 0;
181 c.arg[1] = 0;
182 c.arg[2] = 0;
183 SendCommand(&c);
184
185 uint32_t tagT = GetHF14AMfU_Type();
186 ul_print_type(tagT, 0);
187
188 //reconnect for further tests
189 c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
190 c.arg[1] = 0;
191 c.arg[2] = 0;
192
193 SendCommand(&c);
194
195 UsbCommand resp;
196 WaitForResponse(CMD_ACK,&resp);
197
198 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
199
200 select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
201
202 if(select_status == 0) {
203 //PrintAndLog("iso14443a card select failed");
204 // disconnect
205 c.arg[0] = 0;
206 c.arg[1] = 0;
207 c.arg[2] = 0;
208 SendCommand(&c);
209 return 0;
210 }
211
212 /* orig
213 // check if the tag answers to GETVERSION (0x60)
214 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
215 c.arg[1] = 1;
216 c.arg[2] = 0;
217 c.d.asBytes[0] = 0x60;
218 SendCommand(&c);
219 WaitForResponse(CMD_ACK,&resp);
220
221 uint8_t version[10] = {0};
222 memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
223 uint8_t len = resp.arg[0] & 0xff;
224 switch ( len ){
225 // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
226 // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
227 case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);break;
228 case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
229 case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
230 }
231 */
232 break;
233 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
234 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
235 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
236 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
237 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
238 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
239 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
240 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
241 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
242 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
243 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
244 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
245 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
246 default: ;
247 }
248
249 // Double & triple sized UID, can be mapped to a manufacturer.
250 // HACK: does this apply for Ultralight cards?
251 if ( card.uidlen > 4 ) {
252 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
253 }
254
255 // try to request ATS even if tag claims not to support it
256 if (select_status == 2) {
257 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
258 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
259 c.arg[1] = 2;
260 c.arg[2] = 0;
261 memcpy(c.d.asBytes, rats, 2);
262 SendCommand(&c);
263 WaitForResponse(CMD_ACK,&resp);
264
265 memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
266 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
267 }
268
269 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
270 bool ta1 = 0, tb1 = 0, tc1 = 0;
271 int pos;
272
273 if (select_status == 2) {
274 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
275 }
276 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
277 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
278 if (card.ats[0] != card.ats_len - 2) {
279 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
280 }
281
282 if (card.ats[0] > 1) { // there is a format byte (T0)
283 ta1 = (card.ats[1] & 0x10) == 0x10;
284 tb1 = (card.ats[1] & 0x20) == 0x20;
285 tc1 = (card.ats[1] & 0x40) == 0x40;
286 int16_t fsci = card.ats[1] & 0x0f;
287 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
288 "TC1 is%s present, FSCI is %d (FSC = %ld)",
289 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
290 fsci,
291 fsci < 5 ? (fsci - 2) * 8 :
292 fsci < 8 ? (fsci - 3) * 32 :
293 fsci == 8 ? 256 :
294 -1
295 );
296 }
297 pos = 2;
298 if (ta1) {
299 char dr[16], ds[16];
300 dr[0] = ds[0] = '\0';
301 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
302 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
303 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
304 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
305 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
306 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
307 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
308 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
309 PrintAndLog(" - TA1 : different divisors are%s supported, "
310 "DR: [%s], DS: [%s]",
311 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
312 pos++;
313 }
314 if (tb1) {
315 uint32_t sfgi = card.ats[pos] & 0x0F;
316 uint32_t fwi = card.ats[pos] >> 4;
317 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
318 (sfgi),
319 sfgi ? "" : "(not needed) ",
320 sfgi ? (1 << 12) << sfgi : 0,
321 fwi,
322 (1 << 12) << fwi
323 );
324 pos++;
325 }
326 if (tc1) {
327 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
328 (card.ats[pos] & 0x01) ? "" : " NOT",
329 (card.ats[pos] & 0x02) ? "" : " NOT");
330 pos++;
331 }
332 if (card.ats[0] > pos) {
333 char *tip = "";
334 if (card.ats[0] - pos >= 7) {
335 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
336 tip = "-> MIFARE Plus X 2K or 4K";
337 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
338 tip = "-> MIFARE Plus S 2K or 4K";
339 }
340 }
341 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
342 if (card.ats[pos] == 0xC1) {
343 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
344 PrintAndLog(" %02x -> Length is %d bytes",
345 card.ats[pos + 1], card.ats[pos + 1]);
346 switch (card.ats[pos + 2] & 0xf0) {
347 case 0x10:
348 PrintAndLog(" 1x -> MIFARE DESFire");
349 break;
350 case 0x20:
351 PrintAndLog(" 2x -> MIFARE Plus");
352 break;
353 }
354 switch (card.ats[pos + 2] & 0x0f) {
355 case 0x00:
356 PrintAndLog(" x0 -> <1 kByte");
357 break;
358 case 0x01:
359 PrintAndLog(" x1 -> 1 kByte");
360 break;
361 case 0x02:
362 PrintAndLog(" x2 -> 2 kByte");
363 break;
364 case 0x03:
365 PrintAndLog(" x3 -> 4 kByte");
366 break;
367 case 0x04:
368 PrintAndLog(" x4 -> 8 kByte");
369 break;
370 }
371 switch (card.ats[pos + 3] & 0xf0) {
372 case 0x00:
373 PrintAndLog(" 0x -> Engineering sample");
374 break;
375 case 0x20:
376 PrintAndLog(" 2x -> Released");
377 break;
378 }
379 switch (card.ats[pos + 3] & 0x0f) {
380 case 0x00:
381 PrintAndLog(" x0 -> Generation 1");
382 break;
383 case 0x01:
384 PrintAndLog(" x1 -> Generation 2");
385 break;
386 case 0x02:
387 PrintAndLog(" x2 -> Generation 3");
388 break;
389 }
390 switch (card.ats[pos + 4] & 0x0f) {
391 case 0x00:
392 PrintAndLog(" x0 -> Only VCSL supported");
393 break;
394 case 0x01:
395 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
396 break;
397 case 0x0E:
398 PrintAndLog(" xE -> no VCS command supported");
399 break;
400 }
401 }
402 }
403 } else {
404 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
405 }
406
407
408 // try to see if card responses to "chinese magic backdoor" commands.
409 c.cmd = CMD_MIFARE_CIDENT;
410 c.arg[0] = 0;
411 c.arg[1] = 0;
412 c.arg[2] = 0;
413 SendCommand(&c);
414 WaitForResponse(CMD_ACK,&resp);
415 uint8_t isOK = resp.arg[0] & 0xff;
416 PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
417
418 // disconnect
419 c.cmd = CMD_READER_ISO_14443a;
420 c.arg[0] = 0;
421 c.arg[1] = 0;
422 c.arg[2] = 0;
423 SendCommand(&c);
424
425 if (isMifareClassic) {
426 if ( detect_classic_prng() )
427 PrintAndLog("Prng detection: WEAK (darkside)");
428 else
429 PrintAndLog("Prng detection: HARDEND (hardnested)");
430 }
431
432 return select_status;
433 }
434
435 // Collect ISO14443 Type A UIDs
436 int CmdHF14ACUIDs(const char *Cmd)
437 {
438 // requested number of UIDs
439 int n = atoi(Cmd);
440 // collect at least 1 (e.g. if no parameter was given)
441 n = n > 0 ? n : 1;
442
443 PrintAndLog("Collecting %d UIDs", n);
444 PrintAndLog("Start: %" PRIu64, msclock()/1000);
445 // repeat n times
446 for (int i = 0; i < n; i++) {
447 // execute anticollision procedure
448 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
449 SendCommand(&c);
450
451 UsbCommand resp;
452 WaitForResponse(CMD_ACK,&resp);
453
454 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
455
456 // check if command failed
457 if (resp.arg[0] == 0) {
458 PrintAndLog("Card select failed.");
459 } else {
460 char uid_string[20];
461 for (uint16_t i = 0; i < card->uidlen; i++) {
462 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
463 }
464 PrintAndLog("%s", uid_string);
465 }
466 }
467 PrintAndLog("End: %" PRIu64, msclock()/1000);
468
469 return 1;
470 }
471
472 // ## simulate iso14443a tag
473 // ## greg - added ability to specify tag UID
474 int CmdHF14ASim(const char *Cmd)
475 {
476 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
477
478 // Retrieve the tag type
479 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
480
481 // When no argument was given, just print help message
482 if (tagtype == 0) {
483 PrintAndLog("");
484 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
485 PrintAndLog("");
486 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
487 PrintAndLog(" types: 1 = MIFARE Classic");
488 PrintAndLog(" 2 = MIFARE Ultralight");
489 PrintAndLog(" 3 = MIFARE Desfire");
490 PrintAndLog(" 4 = ISO/IEC 14443-4");
491 PrintAndLog(" 5 = MIFARE Tnp3xxx");
492 PrintAndLog("");
493 return 1;
494 }
495
496 // Store the tag type
497 c.arg[0] = tagtype;
498
499 // Retrieve the full 4 or 7 byte long uid
500 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
501
502 // Are we handling the (optional) second part uid?
503 if (long_uid > 0xffffffff) {
504 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014" PRIx64 ")",long_uid);
505 // Store the second part
506 c.arg[2] = (long_uid & 0xffffffff);
507 long_uid >>= 32;
508 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
509 c.arg[1] = (long_uid & 0xffffff);
510 } else {
511 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
512 // Only store the first part
513 c.arg[1] = long_uid & 0xffffffff;
514 }
515 /*
516 // At lease save the mandatory first part of the UID
517 c.arg[0] = long_uid & 0xffffffff;
518
519 if (c.arg[1] == 0) {
520 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
521 }
522
523 switch (c.arg[0]) {
524 case 1: {
525 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
526 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)};
527 } break;
528 case 2: {
529 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
530 } break;
531 default: {
532 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
533 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
534 PrintAndLog(" type1: 4 ",c.arg[0]);
535
536 return 1;
537 } break;
538 }
539 */
540 /*
541 unsigned int hi = 0, lo = 0;
542 int n = 0, i = 0;
543 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
544 hi= (hi << 4) | (lo >> 28);
545 lo= (lo << 4) | (n & 0xf);
546 }
547 */
548 // 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)};
549 // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
550 SendCommand(&c);
551 return 0;
552 }
553
554 int CmdHF14ASnoop(const char *Cmd) {
555 int param = 0;
556
557 uint8_t ctmp = param_getchar(Cmd, 0) ;
558 if (ctmp == 'h' || ctmp == 'H') {
559 PrintAndLog("It get data from the field and saves it into command buffer.");
560 PrintAndLog("Buffer accessible from command hf list 14a.");
561 PrintAndLog("Usage: hf 14a snoop [c][r]");
562 PrintAndLog("c - triggered by first data from card");
563 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
564 PrintAndLog("sample: hf 14a snoop c r");
565 return 0;
566 }
567
568 for (int i = 0; i < 2; i++) {
569 ctmp = param_getchar(Cmd, i);
570 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
571 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
572 }
573
574 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
575 SendCommand(&c);
576 return 0;
577 }
578
579
580 int CmdHF14ACmdRaw(const char *cmd) {
581 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
582 bool reply=1;
583 bool crc = false;
584 bool power = false;
585 bool active = false;
586 bool active_select = false;
587 uint16_t numbits = 0;
588 bool bTimeout = false;
589 uint32_t timeout = 0;
590 bool topazmode = false;
591 char buf[5]="";
592 int i = 0;
593 uint8_t data[USB_CMD_DATA_SIZE];
594 uint16_t datalen = 0;
595 uint32_t temp;
596
597 if (strlen(cmd)<2) {
598 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
599 PrintAndLog(" -r do not read response");
600 PrintAndLog(" -c calculate and append CRC");
601 PrintAndLog(" -p leave the signal field ON after receive");
602 PrintAndLog(" -a active signal field ON without select");
603 PrintAndLog(" -s active signal field ON with select");
604 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
605 PrintAndLog(" -t timeout in ms");
606 PrintAndLog(" -T use Topaz protocol to send command");
607 return 0;
608 }
609
610
611 // strip
612 while (*cmd==' ' || *cmd=='\t') cmd++;
613
614 while (cmd[i]!='\0') {
615 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
616 if (cmd[i]=='-') {
617 switch (cmd[i+1]) {
618 case 'r':
619 reply = false;
620 break;
621 case 'c':
622 crc = true;
623 break;
624 case 'p':
625 power = true;
626 break;
627 case 'a':
628 active = true;
629 break;
630 case 's':
631 active_select = true;
632 break;
633 case 'b':
634 sscanf(cmd+i+2,"%d",&temp);
635 numbits = temp & 0xFFFF;
636 i+=3;
637 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
638 i-=2;
639 break;
640 case 't':
641 bTimeout = true;
642 sscanf(cmd+i+2,"%d",&temp);
643 timeout = temp;
644 i+=3;
645 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
646 i-=2;
647 break;
648 case 'T':
649 topazmode = true;
650 break;
651 default:
652 PrintAndLog("Invalid option");
653 return 0;
654 }
655 i+=2;
656 continue;
657 }
658 if ((cmd[i]>='0' && cmd[i]<='9') ||
659 (cmd[i]>='a' && cmd[i]<='f') ||
660 (cmd[i]>='A' && cmd[i]<='F') ) {
661 buf[strlen(buf)+1]=0;
662 buf[strlen(buf)]=cmd[i];
663 i++;
664
665 if (strlen(buf)>=2) {
666 sscanf(buf,"%x",&temp);
667 data[datalen]=(uint8_t)(temp & 0xff);
668 *buf=0;
669 if (datalen > sizeof(data)-1) {
670 if (crc)
671 PrintAndLog("Buffer is full, we can't add CRC to your data");
672 break;
673 } else {
674 datalen++;
675 }
676 }
677 continue;
678 }
679 PrintAndLog("Invalid char on input");
680 return 0;
681 }
682
683 if(crc && datalen>0 && datalen<sizeof(data)-2)
684 {
685 uint8_t first, second;
686 if (topazmode) {
687 ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
688 } else {
689 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
690 }
691 data[datalen++] = first;
692 data[datalen++] = second;
693 }
694
695 if(active || active_select)
696 {
697 c.arg[0] |= ISO14A_CONNECT;
698 if(active)
699 c.arg[0] |= ISO14A_NO_SELECT;
700 }
701
702 if(bTimeout){
703 #define MAX_TIMEOUT 40542464 // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
704 c.arg[0] |= ISO14A_SET_TIMEOUT;
705 if(timeout > MAX_TIMEOUT) {
706 timeout = MAX_TIMEOUT;
707 PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
708 }
709 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
710 }
711
712 if(power) {
713 c.arg[0] |= ISO14A_NO_DISCONNECT;
714 }
715
716 if(datalen > 0) {
717 c.arg[0] |= ISO14A_RAW;
718 }
719
720 if(topazmode) {
721 c.arg[0] |= ISO14A_TOPAZMODE;
722 }
723
724 // Max buffer is USB_CMD_DATA_SIZE (512)
725 c.arg[1] = (datalen & 0xFFFF) | ((uint32_t)numbits << 16);
726 memcpy(c.d.asBytes,data,datalen);
727
728 SendCommand(&c);
729
730 if (reply) {
731 if(active_select)
732 waitCmd(1);
733 if(datalen>0)
734 waitCmd(0);
735 } // if reply
736 return 0;
737 }
738
739
740 static void waitCmd(uint8_t iSelect)
741 {
742 uint8_t *recv;
743 UsbCommand resp;
744 char *hexout;
745
746 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
747 recv = resp.d.asBytes;
748 uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
749 PrintAndLog("received %i octets", iLen);
750 if(!iLen)
751 return;
752 hexout = (char *)malloc(iLen * 3 + 1);
753 if (hexout != NULL) {
754 for (int i = 0; i < iLen; i++) { // data in hex
755 sprintf(&hexout[i * 3], "%02X ", recv[i]);
756 }
757 PrintAndLog("%s", hexout);
758 free(hexout);
759 } else {
760 PrintAndLog("malloc failed your client has low memory?");
761 }
762 } else {
763 PrintAndLog("timeout while waiting for reply.");
764 }
765 }
766
767 static command_t CommandTable[] =
768 {
769 {"help", CmdHelp, 1, "This help"},
770 {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
771 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
772 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
773 {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
774 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
775 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
776 {NULL, NULL, 0, NULL}
777 };
778
779 int CmdHF14A(const char *Cmd) {
780 // flush
781 WaitForResponseTimeout(CMD_ACK,NULL,100);
782
783 // parse
784 CmdsParse(CommandTable, Cmd);
785 return 0;
786 }
787
788 int CmdHelp(const char *Cmd)
789 {
790 CmdsHelp(CommandTable);
791 return 0;
792 }
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