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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 static void print_atqb_resp(uint8_t *data){
201 PrintAndLog (" UID: %s", sprint_hex(data+1,4));
202 PrintAndLog (" App Data: %s", sprint_hex(data+5,4));
203 PrintAndLog (" Protocol: %s", sprint_hex(data+9,3));
204 uint8_t BitRate = data[9];
205 if (!BitRate)
206 PrintAndLog (" Bit Rate: 106 kbit/s only PICC <-> PCD");
207 if (BitRate & 0x10)
208 PrintAndLog (" Bit Rate: 212 kbit/s PICC -> PCD supported");
209 if (BitRate & 0x20)
210 PrintAndLog (" Bit Rate: 424 kbit/s PICC -> PCD supported");
211 if (BitRate & 0x40)
212 PrintAndLog (" Bit Rate: 847 kbit/s PICC -> PCD supported");
213 if (BitRate & 0x01)
214 PrintAndLog (" Bit Rate: 212 kbit/s PICC <- PCD supported");
215 if (BitRate & 0x02)
216 PrintAndLog (" Bit Rate: 424 kbit/s PICC <- PCD supported");
217 if (BitRate & 0x04)
218 PrintAndLog (" Bit Rate: 847 kbit/s PICC <- PCD supported");
219 if (BitRate & 0x80)
220 PrintAndLog (" Same bit rate <-> required");
221
222 uint16_t maxFrame = data[10]>>4;
223 if (maxFrame < 5)
224 maxFrame = 8*maxFrame + 16;
225 else if (maxFrame == 5)
226 maxFrame = 64;
227 else if (maxFrame == 6)
228 maxFrame = 96;
229 else if (maxFrame == 7)
230 maxFrame = 128;
231 else if (maxFrame == 8)
232 maxFrame = 256;
233 else
234 maxFrame = 257;
235
236 PrintAndLog ("Max Frame Size: %d%s",maxFrame, (maxFrame == 257) ? "+ RFU" : "");
237
238 uint8_t protocolT = data[10] & 0xF;
239 PrintAndLog (" Protocol Type: Protocol is %scompliant with ISO/IEC 14443-4",(protocolT) ? "" : "not " );
240 PrintAndLog ("Frame Wait Int: %d", data[11]>>4);
241 PrintAndLog (" App Data Code: Application is %s",(data[11]&4) ? "Standard" : "Proprietary");
242 PrintAndLog (" Frame Options: NAD is %ssupported",(data[11]&2) ? "" : "not ");
243 PrintAndLog (" Frame Options: CID is %ssupported",(data[11]&1) ? "" : "not ");
244
245 return;
246 }
247
248 char *get_ST_Chip_Model(uint8_t data){
249 static char model[20];
250 char *retStr = model;
251 memset(model,0, sizeof(model));
252
253 switch (data) {
254 case 0x0: sprintf(retStr, "SRIX4K (Special)"); break;
255 case 0x2: sprintf(retStr, "SR176"); break;
256 case 0x3: sprintf(retStr, "SRIX4K"); break;
257 case 0x4: sprintf(retStr, "SRIX512"); break;
258 case 0x6: sprintf(retStr, "SRI512"); break;
259 case 0x7: sprintf(retStr, "SRI4K"); break;
260 case 0xC: sprintf(retStr, "SRT512"); break;
261 default : sprintf(retStr, "Unknown"); break;
262 }
263 return retStr;
264 }
265
266 static void print_st_info(uint8_t *data){
267 //uid = first 8 bytes in data
268 PrintAndLog(" UID: %s", sprint_hex(SwapEndian64(data,8,8),8));
269 PrintAndLog(" MFG: %02X, %s", data[6], getTagInfo(data[6]));
270 PrintAndLog("Chip: %02X, %s", data[5]>>2, get_ST_Chip_Model(data[5]>>2));
271 return;
272 }
273
274 int HF14BStdInfo(uint8_t *data, uint8_t *datalen){
275
276 //05 00 00 = find one tag in field
277 //1d xx xx xx xx 20 00 08 01 00 = attrib xx=crc
278 //a3 = ? (resp 03 e2 c2)
279 //02 = ? (resp 02 6a d3)
280 // 022b (resp 02 67 00 [29 5b])
281 // 0200a40400 (resp 02 67 00 [29 5b])
282 // 0200a4040c07a0000002480300 (resp 02 67 00 [29 5b])
283 // 0200a4040c07a0000002480200 (resp 02 67 00 [29 5b])
284 // 0200a4040006a0000000010100 (resp 02 6a 82 [4b 4c])
285 // 0200a4040c09d27600002545500200 (resp 02 67 00 [29 5b])
286 // 0200a404000cd2760001354b414e4d30310000 (resp 02 6a 82 [4b 4c])
287 // 0200a404000ca000000063504b43532d313500 (resp 02 6a 82 [4b 4c])
288 // 0200a4040010a000000018300301000000000000000000 (resp 02 6a 82 [4b 4c])
289 //03 = ? (resp 03 [e3 c2])
290 //c2 = ? (resp c2 [66 15])
291 //b2 = ? (resp a3 [e9 67])
292 bool crc = true;
293 *datalen = 3;
294 //std read cmd
295 data[0] = 0x05;
296 data[1] = 0x00;
297 data[2] = 0x00;
298
299 if (HF14BCmdRaw(true, &crc, false, data, datalen, false)==0) return 0;
300
301 if (data[0] != 0x50 || *datalen != 14 || !crc) return 0;
302
303 PrintAndLog ("\n14443-3b tag found:");
304 print_atqb_resp(data);
305
306 return 1;
307 }
308
309 int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){
310 bool crc = true;
311 *datalen = 2;
312 //wake cmd
313 data[0] = 0x06;
314 data[1] = 0x00;
315
316 //leave power on
317 // verbose on for now for testing - turn off when functional
318 if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
319
320 if (*datalen != 3 || !crc) return rawClose();
321
322 uint8_t chipID = data[0];
323 // select
324 data[0] = 0x0E;
325 data[1] = chipID;
326 *datalen = 2;
327
328 //leave power on
329 // verbose on for now for testing - turn off when functional
330 if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
331
332 if (*datalen != 3 || !crc || data[0] != chipID) return rawClose();
333
334 // get uid
335 data[0] = 0x0B;
336 *datalen = 1;
337
338 //power off
339 // verbose on for now for testing - turn off when functional
340 if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return 0;
341 rawClose();
342 if (*datalen != 10 || !crc) return 0;
343
344 PrintAndLog("\n14443-3b ST tag found:");
345 print_st_info(data);
346 return 1;
347 }
348
349 // test for other 14b type tags (mimic another reader - don't have tags to identify)
350 int HF14B_Other_Info(uint8_t *data, uint8_t *datalen){
351 bool crc = true;
352 *datalen = 4;
353 //std read cmd
354 data[0] = 0x00;
355 data[1] = 0x0b;
356 data[2] = 0x3f;
357 data[3] = 0x80;
358
359 if (HF14BCmdRaw(true, &crc, false, data, datalen, false)!=0) {
360 if (*datalen > 2 || !crc) {
361 PrintAndLog ("\n14443-3b tag found:");
362 PrintAndLog ("Unknown tag type answered to a 0x000b3f80 command ans:");
363 PrintAndLog ("%s",sprint_hex(data,*datalen));
364 return 1;
365 }
366 }
367
368 crc = false;
369 *datalen = 1;
370 data[0] = 0x0a;
371
372 if (HF14BCmdRaw(true, &crc, false, data, datalen, false)!=0) {
373 if (*datalen > 0) {
374 PrintAndLog ("\n14443-3b tag found:");
375 PrintAndLog ("Unknown tag type answered to a 0x0A command ans:");
376 PrintAndLog ("%s",sprint_hex(data,*datalen));
377 return 1;
378 }
379 }
380
381 crc = false;
382 *datalen = 1;
383 data[0] = 0x0c;
384
385 if (HF14BCmdRaw(true, &crc, false, data, datalen, false)!=0) {
386 if (*datalen > 0) {
387 PrintAndLog ("\n14443-3b tag found:");
388 PrintAndLog ("Unknown tag type answered to a 0x0C command ans:");
389 PrintAndLog ("%s",sprint_hex(data,*datalen));
390 return 1;
391 }
392 }
393
394 return 0;
395
396 }
397
398 int HF14BInfo(bool verbose){
399 uint8_t data[100];
400 uint8_t datalen = 5;
401
402 // try std 14b (atqb)
403 if (HF14BStdInfo(data, &datalen)) return 1;
404
405 // try st 14b
406 if (HF14B_ST_Info(data, &datalen)) return 1;
407
408 // try unknown 14b read commands (to be identified later)
409 // could be read of calypso, CEPAS, moneo, or pico pass.
410 if (HF14B_Other_Info(data, &datalen)) return 1;
411
412 if (verbose) PrintAndLog("no 14443B tag found");
413 return 0;
414 }
415
416 int CmdHF14Binfo(const char *Cmd){
417 return HF14BInfo(true);
418 }
419
420 int CmdSriWrite( const char *Cmd){
421 /*
422 * For SRIX4K blocks 00 - 7F
423 * hf 14b raw -c -p 09 $srix4kwblock $srix4kwdata
424 *
425 * For SR512 blocks 00 - 0F
426 * hf 14b raw -c -p 09 $sr512wblock $sr512wdata
427 *
428 * Special block FF = otp_lock_reg block.
429 * Data len 4 bytes-
430 */
431 char cmdp = param_getchar(Cmd, 0);
432 uint8_t blockno = -1;
433 uint8_t data[4] = {0x00};
434 bool isSrix4k = true;
435 char str[20];
436
437 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
438 PrintAndLog("Usage: hf 14b write <1|2> <BLOCK> <DATA>");
439 PrintAndLog(" [1 = SRIX4K]");
440 PrintAndLog(" [2 = SRI512]");
441 PrintAndLog(" [BLOCK number depends on tag, special block == FF]");
442 PrintAndLog(" sample: hf 14b write 1 7F 11223344");
443 PrintAndLog(" : hf 14b write 1 FF 11223344");
444 PrintAndLog(" : hf 14b write 2 15 11223344");
445 PrintAndLog(" : hf 14b write 2 FF 11223344");
446 return 0;
447 }
448
449 if ( cmdp == '2' )
450 isSrix4k = false;
451
452 //blockno = param_get8(Cmd, 1);
453
454 if ( param_gethex(Cmd,1, &blockno, 2) ) {
455 PrintAndLog("Block number must include 2 HEX symbols");
456 return 0;
457 }
458
459 if ( isSrix4k ){
460 if ( blockno > 0x7f && blockno != 0xff ){
461 PrintAndLog("Block number out of range");
462 return 0;
463 }
464 } else {
465 if ( blockno > 0x0f && blockno != 0xff ){
466 PrintAndLog("Block number out of range");
467 return 0;
468 }
469 }
470
471 if (param_gethex(Cmd, 2, data, 8)) {
472 PrintAndLog("Data must include 8 HEX symbols");
473 return 0;
474 }
475
476 if ( blockno == 0xff)
477 PrintAndLog("[%s] Write special block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512" , blockno, sprint_hex(data,4) );
478 else
479 PrintAndLog("[%s] Write block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512", blockno, sprint_hex(data,4) );
480
481 sprintf(str, "-c 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);
482
483 CmdHF14BCmdRaw(str);
484 return 0;
485 }
486
487 static command_t CommandTable[] =
488 {
489 {"help", CmdHelp, 1, "This help"},
490 {"info", CmdHF14Binfo, 0, "Find and print info about a 14b type tag (HF ISO 14443b)"},
491 {"list", CmdHF14BList, 0, "[Deprecated] List ISO 14443b history"},
492 {"sim", CmdHF14BSim, 0, "Fake ISO 14443B tag"},
493 {"snoop", CmdHF14BSnoop, 0, "Eavesdrop ISO 14443B"},
494 {"sri512read", CmdSri512Read, 0, "Read contents of a SRI512 tag"},
495 {"srix4kread", CmdSrix4kRead, 0, "Read contents of a SRIX4K tag"},
496 {"sriwrite", CmdSriWrite, 0, "Write data to a SRI512 | SRIX4K tag"},
497 {"raw", CmdHF14BCmdRaw, 0, "Send raw hex data to tag"},
498 {NULL, NULL, 0, NULL}
499 };
500
501 int CmdHF14B(const char *Cmd)
502 {
503 CmdsParse(CommandTable, Cmd);
504 return 0;
505 }
506
507 int CmdHelp(const char *Cmd)
508 {
509 CmdsHelp(CommandTable);
510 return 0;
511 }
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