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1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // High frequency ISO14443B commands
9 //-----------------------------------------------------------------------------
10
11 #include <stdio.h>
12 #include <stdlib.h>
13 #include <stdbool.h>
14 #include <string.h>
15 #include <stdint.h>
16 #include "iso14443crc.h"
17 #include "proxmark3.h"
18 #include "data.h"
19 #include "graph.h"
20 #include "util.h"
21 #include "ui.h"
22 #include "cmdparser.h"
23 #include "cmdhf14b.h"
24 #include "cmdmain.h"
25 #include "cmdhf14a.h"
26
27 static int CmdHelp(const char *Cmd);
28
29 int CmdHF14BList(const char *Cmd)
30 {
31 PrintAndLog("Deprecated command, use 'hf list 14b' instead");
32
33 return 0;
34 }
35
36 int CmdHF14BSim(const char *Cmd)
37 {
38 UsbCommand c={CMD_SIMULATE_TAG_ISO_14443B};
39 clearCommandBuffer();
40 SendCommand(&c);
41 return 0;
42 }
43
44 int CmdHF14BSnoop(const char *Cmd)
45 {
46 UsbCommand c = {CMD_SNOOP_ISO_14443B};
47 clearCommandBuffer();
48 SendCommand(&c);
49 return 0;
50 }
51
52 /* New command to read the contents of a SRI512 tag
53 * SRI512 tags are ISO14443-B modulated memory tags,
54 * this command just dumps the contents of the memory
55 */
56 int CmdSri512Read(const char *Cmd)
57 {
58 UsbCommand c = {CMD_READ_SRI512_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
59 clearCommandBuffer();
60 SendCommand(&c);
61 return 0;
62 }
63
64 /* New command to read the contents of a SRIX4K tag
65 * SRIX4K tags are ISO14443-B modulated memory tags,
66 * this command just dumps the contents of the memory/
67 */
68 int CmdSrix4kRead(const char *Cmd)
69 {
70 UsbCommand c = {CMD_READ_SRIX4K_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
71 clearCommandBuffer();
72 SendCommand(&c);
73 return 0;
74 }
75
76 int rawClose(void){
77 UsbCommand resp;
78 UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}};
79 clearCommandBuffer();
80 SendCommand(&c);
81 if (!WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
82 return 0;
83 }
84 return 0;
85 }
86
87 int HF14BCmdRaw(bool reply, bool *crc, bool power, uint8_t *data, uint8_t *datalen, bool verbose){
88 UsbCommand resp;
89 UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}}; // len,recv,power
90 if(*crc)
91 {
92 uint8_t first, second;
93 ComputeCrc14443(CRC_14443_B, data, *datalen, &first, &second);
94 data[*datalen] = first;
95 data[*datalen + 1] = second;
96 *datalen += 2;
97 }
98
99 c.arg[0] = *datalen;
100 c.arg[1] = reply;
101 c.arg[2] = power;
102 memcpy(c.d.asBytes,data,*datalen);
103 clearCommandBuffer();
104 SendCommand(&c);
105
106 if (!reply) return 1;
107
108 if (!WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
109 if (verbose) PrintAndLog("timeout while waiting for reply.");
110 return 0;
111 }
112 *datalen = resp.arg[0];
113 if (verbose) PrintAndLog("received %u octets", *datalen);
114 if(*datalen<2) return 0;
115
116 memcpy(data, resp.d.asBytes, *datalen);
117 if (verbose) PrintAndLog("%s", sprint_hex(data, *datalen));
118
119 uint8_t first, second;
120 ComputeCrc14443(CRC_14443_B, data, *datalen-2, &first, &second);
121 if(data[*datalen-2] == first && data[*datalen-1] == second) {
122 if (verbose) PrintAndLog("CRC OK");
123 *crc = true;
124 } else {
125 if (verbose) PrintAndLog("CRC failed");
126 *crc = false;
127 }
128 return 1;
129 }
130
131 int CmdHF14BCmdRaw (const char *Cmd) {
132 bool reply = true;
133 bool crc = false;
134 bool power = false;
135 char buf[5] = "";
136 uint8_t data[100] = {0x00};
137 uint8_t datalen = 0;
138 unsigned int temp;
139 int i = 0;
140 if (strlen(Cmd)<3) {
141 PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] <0A 0B 0C ... hex>");
142 PrintAndLog(" -r do not read response");
143 PrintAndLog(" -c calculate and append CRC");
144 PrintAndLog(" -p leave the field on after receive");
145 return 0;
146 }
147
148 // strip
149 while (*Cmd==' ' || *Cmd=='\t') Cmd++;
150
151 while (Cmd[i]!='\0') {
152 if (Cmd[i]==' ' || Cmd[i]=='\t') { i++; continue; }
153 if (Cmd[i]=='-') {
154 switch (Cmd[i+1]) {
155 case 'r':
156 case 'R':
157 reply = false;
158 break;
159 case 'c':
160 case 'C':
161 crc = true;
162 break;
163 case 'p':
164 case 'P':
165 power = true;
166 break;
167 default:
168 PrintAndLog("Invalid option");
169 return 0;
170 }
171 i+=2;
172 continue;
173 }
174 if ((Cmd[i]>='0' && Cmd[i]<='9') ||
175 (Cmd[i]>='a' && Cmd[i]<='f') ||
176 (Cmd[i]>='A' && Cmd[i]<='F') ) {
177 buf[strlen(buf)+1]=0;
178 buf[strlen(buf)]=Cmd[i];
179 i++;
180
181 if (strlen(buf)>=2) {
182 sscanf(buf,"%x",&temp);
183 data[datalen++]=(uint8_t)(temp & 0xff);
184 *buf=0;
185 }
186 continue;
187 }
188 PrintAndLog("Invalid char on input");
189 return 1;
190 }
191 if (datalen == 0)
192 {
193 PrintAndLog("Missing data input");
194 return 0;
195 }
196
197 return HF14BCmdRaw(reply, &crc, power, data, &datalen, true);
198 }
199
200 // print full atqb info
201 static void print_atqb_resp(uint8_t *data){
202 PrintAndLog (" UID: %s", sprint_hex(data+1,4));
203 PrintAndLog (" App Data: %s", sprint_hex(data+5,4));
204 PrintAndLog (" Protocol: %s", sprint_hex(data+9,3));
205 uint8_t BitRate = data[9];
206 if (!BitRate)
207 PrintAndLog (" Bit Rate: 106 kbit/s only PICC <-> PCD");
208 if (BitRate & 0x10)
209 PrintAndLog (" Bit Rate: 212 kbit/s PICC -> PCD supported");
210 if (BitRate & 0x20)
211 PrintAndLog (" Bit Rate: 424 kbit/s PICC -> PCD supported");
212 if (BitRate & 0x40)
213 PrintAndLog (" Bit Rate: 847 kbit/s PICC -> PCD supported");
214 if (BitRate & 0x01)
215 PrintAndLog (" Bit Rate: 212 kbit/s PICC <- PCD supported");
216 if (BitRate & 0x02)
217 PrintAndLog (" Bit Rate: 424 kbit/s PICC <- PCD supported");
218 if (BitRate & 0x04)
219 PrintAndLog (" Bit Rate: 847 kbit/s PICC <- PCD supported");
220 if (BitRate & 0x80)
221 PrintAndLog (" Same bit rate <-> required");
222
223 uint16_t maxFrame = data[10]>>4;
224 if (maxFrame < 5)
225 maxFrame = 8*maxFrame + 16;
226 else if (maxFrame == 5)
227 maxFrame = 64;
228 else if (maxFrame == 6)
229 maxFrame = 96;
230 else if (maxFrame == 7)
231 maxFrame = 128;
232 else if (maxFrame == 8)
233 maxFrame = 256;
234 else
235 maxFrame = 257;
236
237 PrintAndLog ("Max Frame Size: %d%s",maxFrame, (maxFrame == 257) ? "+ RFU" : "");
238
239 uint8_t protocolT = data[10] & 0xF;
240 PrintAndLog (" Protocol Type: Protocol is %scompliant with ISO/IEC 14443-4",(protocolT) ? "" : "not " );
241 PrintAndLog ("Frame Wait Int: %d", data[11]>>4);
242 PrintAndLog (" App Data Code: Application is %s",(data[11]&4) ? "Standard" : "Proprietary");
243 PrintAndLog (" Frame Options: NAD is %ssupported",(data[11]&2) ? "" : "not ");
244 PrintAndLog (" Frame Options: CID is %ssupported",(data[11]&1) ? "" : "not ");
245
246 return;
247 }
248
249 // get SRx chip model (from UID) // from ST Microelectronics
250 char *get_ST_Chip_Model(uint8_t data){
251 static char model[20];
252 char *retStr = model;
253 memset(model,0, sizeof(model));
254
255 switch (data) {
256 case 0x0: sprintf(retStr, "SRIX4K (Special)"); break;
257 case 0x2: sprintf(retStr, "SR176"); break;
258 case 0x3: sprintf(retStr, "SRIX4K"); break;
259 case 0x4: sprintf(retStr, "SRIX512"); break;
260 case 0x6: sprintf(retStr, "SRI512"); break;
261 case 0x7: sprintf(retStr, "SRI4K"); break;
262 case 0xC: sprintf(retStr, "SRT512"); break;
263 default : sprintf(retStr, "Unknown"); break;
264 }
265 return retStr;
266 }
267
268 int print_ST_Lock_info(uint8_t model){
269 //assume connection open and tag selected...
270 uint8_t data[8] = {0x00};
271 uint8_t datalen = 2;
272 bool crc = true;
273 uint8_t resplen;
274 uint8_t blk1;
275 data[0] = 0x08;
276
277 if (model == 0x2) { //SR176 has special command:
278 data[1] = 0xf;
279 resplen = 4;
280 } else {
281 data[1] = 0xff;
282 resplen = 6;
283 }
284
285 //std read cmd
286 if (HF14BCmdRaw(true, &crc, true, data, &datalen, false)==0) return rawClose();
287
288 if (datalen != resplen || !crc) return rawClose();
289
290 PrintAndLog("Chip Write Protection Bits:");
291 // now interpret the data
292 switch (model){
293 case 0x0: //fall through (SRIX4K special)
294 case 0x3: //fall through (SRIx4K)
295 case 0x7: // (SRI4K)
296 //only need data[3]
297 blk1 = 9;
298 PrintAndLog(" raw: %s",printBits(1,data+3));
299 PrintAndLog(" 07/08: %slocked", blk1, (data[3] & 1) ? "not " : "" );
300 for (uint8_t i = 1; i<8; i++){
301 PrintAndLog(" %02u: %slocked", blk1, (data[3] & (1 << i)) ? "not " : "" );
302 blk1++;
303 }
304 break;
305 case 0x4: //fall through (SRIX512)
306 case 0x6: //fall through (SRI512)
307 case 0xC: // (SRT512)
308 //need data[2] and data[3]
309 blk1 = 0;
310 PrintAndLog(" raw: %s",printBits(2,data+2));
311 for (uint8_t b=2; b<4; b++){
312 for (uint8_t i=0; i<8; i++){
313 PrintAndLog(" %02u: %slocked", blk1, (data[b] & (1 << i)) ? "not " : "" );
314 blk1++;
315 }
316 }
317 break;
318 case 0x2: // (SR176)
319 //need data[2]
320 blk1 = 0;
321 PrintAndLog(" raw: %s",printBits(1,data+2));
322 for (uint8_t i = 0; i<8; i++){
323 PrintAndLog(" %02u/%02u: %slocked", blk1, blk1+1, (data[2] & (1 << i)) ? "" : "not " );
324 blk1+=2;
325 }
326 break;
327 default:
328 return rawClose();
329 }
330 return 1;
331 }
332
333 // print UID info from SRx chips (ST Microelectronics)
334 static void print_st_general_info(uint8_t *data){
335 //uid = first 8 bytes in data
336 PrintAndLog(" UID: %s", sprint_hex(SwapEndian64(data,8,8),8));
337 PrintAndLog(" MFG: %02X, %s", data[6], getTagInfo(data[6]));
338 PrintAndLog(" Chip: %02X, %s", data[5]>>2, get_ST_Chip_Model(data[5]>>2));
339 return;
340 }
341
342 // 14b get and print UID only (general info)
343 int HF14BStdReader(uint8_t *data, uint8_t *datalen){
344 //05 00 00 = find one tag in field
345 //1d xx xx xx xx 20 00 08 01 00 = attrib xx=crc
346 //a3 = ? (resp 03 e2 c2)
347 //02 = ? (resp 02 6a d3)
348 // 022b (resp 02 67 00 [29 5b])
349 // 0200a40400 (resp 02 67 00 [29 5b])
350 // 0200a4040c07a0000002480300 (resp 02 67 00 [29 5b])
351 // 0200a4040c07a0000002480200 (resp 02 67 00 [29 5b])
352 // 0200a4040006a0000000010100 (resp 02 6a 82 [4b 4c])
353 // 0200a4040c09d27600002545500200 (resp 02 67 00 [29 5b])
354 // 0200a404000cd2760001354b414e4d30310000 (resp 02 6a 82 [4b 4c])
355 // 0200a404000ca000000063504b43532d313500 (resp 02 6a 82 [4b 4c])
356 // 0200a4040010a000000018300301000000000000000000 (resp 02 6a 82 [4b 4c])
357 //03 = ? (resp 03 [e3 c2])
358 //c2 = ? (resp c2 [66 15])
359 //b2 = ? (resp a3 [e9 67])
360 bool crc = true;
361 *datalen = 3;
362 //std read cmd
363 data[0] = 0x05;
364 data[1] = 0x00;
365 data[2] = 0x08;
366
367 if (HF14BCmdRaw(true, &crc, false, data, datalen, false)==0) return 0;
368
369 if (data[0] != 0x50 || *datalen != 14 || !crc) return 0;
370
371 PrintAndLog ("\n14443-3b tag found:");
372 PrintAndLog (" UID: %s", sprint_hex(data+1,4));
373
374 return 1;
375 }
376
377 // 14b get and print Full Info (as much as we know)
378 int HF14BStdInfo(uint8_t *data, uint8_t *datalen){
379 if (!HF14BStdReader(data,datalen)) return 0;
380
381 //add more info here
382 print_atqb_resp(data);
383
384 return 1;
385 }
386
387 // SRx get and print general info about SRx chip from UID
388 int HF14B_ST_Reader(uint8_t *data, uint8_t *datalen, bool closeCon){
389 bool crc = true;
390 *datalen = 2;
391 //wake cmd
392 data[0] = 0x06;
393 data[1] = 0x00;
394
395 //leave power on
396 // verbose on for now for testing - turn off when functional
397 if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
398
399 if (*datalen != 3 || !crc) return rawClose();
400
401 uint8_t chipID = data[0];
402 // select
403 data[0] = 0x0E;
404 data[1] = chipID;
405 *datalen = 2;
406
407 //leave power on
408 if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
409
410 if (*datalen != 3 || !crc || data[0] != chipID) return rawClose();
411
412 // get uid
413 data[0] = 0x0B;
414 *datalen = 1;
415
416 //leave power on
417 if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
418 //power off ?
419 if (closeCon) rawClose();
420
421 if (*datalen != 10 || !crc) return 0;
422
423 PrintAndLog("\n14443-3b ST tag found:");
424 print_st_general_info(data);
425 return 1;
426 }
427
428 // SRx get and print full info (needs more info...)
429 int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){
430 if (!HF14B_ST_Reader(data, datalen, false)) return 0;
431
432 //add locking bit information here.
433 if (print_ST_Lock_info(data[5]>>2))
434 rawClose();
435
436 return 1;
437 }
438
439 // test for other 14b type tags (mimic another reader - don't have tags to identify)
440 int HF14B_Other_Reader(uint8_t *data, uint8_t *datalen){
441 bool crc = true;
442 *datalen = 4;
443 //std read cmd
444 data[0] = 0x00;
445 data[1] = 0x0b;
446 data[2] = 0x3f;
447 data[3] = 0x80;
448
449 if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) {
450 if (*datalen > 2 || !crc) {
451 PrintAndLog ("\n14443-3b tag found:");
452 PrintAndLog ("Unknown tag type answered to a 0x000b3f80 command ans:");
453 PrintAndLog ("%s",sprint_hex(data,*datalen));
454 rawClose();
455 return 1;
456 }
457 }
458
459 crc = false;
460 *datalen = 1;
461 data[0] = 0x0a;
462
463 if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) {
464 if (*datalen > 0) {
465 PrintAndLog ("\n14443-3b tag found:");
466 PrintAndLog ("Unknown tag type answered to a 0x0A command ans:");
467 PrintAndLog ("%s",sprint_hex(data,*datalen));
468 rawClose();
469 return 1;
470 }
471 }
472
473 crc = false;
474 *datalen = 1;
475 data[0] = 0x0c;
476
477 if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) {
478 if (*datalen > 0) {
479 PrintAndLog ("\n14443-3b tag found:");
480 PrintAndLog ("Unknown tag type answered to a 0x0C command ans:");
481 PrintAndLog ("%s",sprint_hex(data,*datalen));
482 rawClose();
483 return 1;
484 }
485 }
486 rawClose();
487 return 0;
488 }
489
490 // get and print all info known about any known 14b tag
491 int HF14BInfo(bool verbose){
492 uint8_t data[100];
493 uint8_t datalen = 5;
494
495 // try std 14b (atqb)
496 if (HF14BStdInfo(data, &datalen)) return 1;
497
498 // try st 14b
499 if (HF14B_ST_Info(data, &datalen)) return 1;
500
501 // try unknown 14b read commands (to be identified later)
502 // could be read of calypso, CEPAS, moneo, or pico pass.
503 if (HF14B_Other_Reader(data, &datalen)) return 1;
504
505 if (verbose) PrintAndLog("no 14443B tag found");
506 return 0;
507 }
508
509 // menu command to get and print all info known about any known 14b tag
510 int CmdHF14Binfo(const char *Cmd){
511 return HF14BInfo(true);
512 }
513
514 // get and print general info about all known 14b chips
515 int HF14BReader(bool verbose){
516 uint8_t data[100];
517 uint8_t datalen = 5;
518
519 // try std 14b (atqb)
520 if (HF14BStdReader(data, &datalen)) return 1;
521
522 // try st 14b
523 if (HF14B_ST_Reader(data, &datalen, true)) return 1;
524
525 // try unknown 14b read commands (to be identified later)
526 // could be read of calypso, CEPAS, moneo, or pico pass.
527 if (HF14B_Other_Reader(data, &datalen)) return 1;
528
529 if (verbose) PrintAndLog("no 14443B tag found");
530 return 0;
531 }
532
533 // menu command to get and print general info about all known 14b chips
534 int CmdHF14BReader(const char *Cmd){
535 return HF14BReader(true);
536 }
537
538 int CmdSriWrite( const char *Cmd){
539 /*
540 * For SRIX4K blocks 00 - 7F
541 * hf 14b raw -c -p 09 $srix4kwblock $srix4kwdata
542 *
543 * For SR512 blocks 00 - 0F
544 * hf 14b raw -c -p 09 $sr512wblock $sr512wdata
545 *
546 * Special block FF = otp_lock_reg block.
547 * Data len 4 bytes-
548 */
549 char cmdp = param_getchar(Cmd, 0);
550 uint8_t blockno = -1;
551 uint8_t data[4] = {0x00};
552 bool isSrix4k = true;
553 char str[20];
554
555 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
556 PrintAndLog("Usage: hf 14b write <1|2> <BLOCK> <DATA>");
557 PrintAndLog(" [1 = SRIX4K]");
558 PrintAndLog(" [2 = SRI512]");
559 PrintAndLog(" [BLOCK number depends on tag, special block == FF]");
560 PrintAndLog(" sample: hf 14b write 1 7F 11223344");
561 PrintAndLog(" : hf 14b write 1 FF 11223344");
562 PrintAndLog(" : hf 14b write 2 15 11223344");
563 PrintAndLog(" : hf 14b write 2 FF 11223344");
564 return 0;
565 }
566
567 if ( cmdp == '2' )
568 isSrix4k = false;
569
570 //blockno = param_get8(Cmd, 1);
571
572 if ( param_gethex(Cmd,1, &blockno, 2) ) {
573 PrintAndLog("Block number must include 2 HEX symbols");
574 return 0;
575 }
576
577 if ( isSrix4k ){
578 if ( blockno > 0x7f && blockno != 0xff ){
579 PrintAndLog("Block number out of range");
580 return 0;
581 }
582 } else {
583 if ( blockno > 0x0f && blockno != 0xff ){
584 PrintAndLog("Block number out of range");
585 return 0;
586 }
587 }
588
589 if (param_gethex(Cmd, 2, data, 8)) {
590 PrintAndLog("Data must include 8 HEX symbols");
591 return 0;
592 }
593
594 if ( blockno == 0xff)
595 PrintAndLog("[%s] Write special block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512" , blockno, sprint_hex(data,4) );
596 else
597 PrintAndLog("[%s] Write block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512", blockno, sprint_hex(data,4) );
598
599 sprintf(str, "-c 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);
600
601 CmdHF14BCmdRaw(str);
602 return 0;
603 }
604
605 static command_t CommandTable[] =
606 {
607 {"help", CmdHelp, 1, "This help"},
608 {"info", CmdHF14Binfo, 0, "Find and print details about a 14443B tag"},
609 {"list", CmdHF14BList, 0, "[Deprecated] List ISO 14443B history"},
610 {"reader", CmdHF14BReader, 0, "Act as a 14443B reader to identify a tag"},
611 {"sim", CmdHF14BSim, 0, "Fake ISO 14443B tag"},
612 {"snoop", CmdHF14BSnoop, 0, "Eavesdrop ISO 14443B"},
613 {"sri512read", CmdSri512Read, 0, "Read contents of a SRI512 tag"},
614 {"srix4kread", CmdSrix4kRead, 0, "Read contents of a SRIX4K tag"},
615 {"sriwrite", CmdSriWrite, 0, "Write data to a SRI512 | SRIX4K tag"},
616 {"raw", CmdHF14BCmdRaw, 0, "Send raw hex data to tag"},
617 {NULL, NULL, 0, NULL}
618 };
619
620 int CmdHF14B(const char *Cmd)
621 {
622 CmdsParse(CommandTable, Cmd);
623 return 0;
624 }
625
626 int CmdHelp(const char *Cmd)
627 {
628 CmdsHelp(CommandTable);
629 return 0;
630 }
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