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[proxmark3-svn] / client / cmdlft55xx.c
1 //-----------------------------------------------------------------------------
2 //
3 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
4 // at your option, any later version. See the LICENSE.txt file for the text of
5 // the license.
6 //-----------------------------------------------------------------------------
7 // Low frequency T55xx commands
8 //-----------------------------------------------------------------------------
9
10 #include <stdio.h>
11 #include <string.h>
12 #include <inttypes.h>
13 #include <time.h>
14 #include "proxmark3.h"
15 #include "ui.h"
16 #include "graph.h"
17 #include "cmdmain.h"
18 #include "cmdparser.h"
19 #include "cmddata.h"
20 #include "cmdlf.h"
21 #include "cmdlft55xx.h"
22 #include "util.h"
23 #include "data.h"
24 #include "lfdemod.h"
25 #include "../common/crc.h"
26 #include "../common/iso14443crc.h"
27 #include "cmdhf14a.h"
28
29 #define T55x7_CONFIGURATION_BLOCK 0x00
30 #define T55x7_PAGE0 0x00
31 #define T55x7_PAGE1 0x01
32 #define T55x7_PWD 0x00000010
33 #define REGULAR_READ_MODE_BLOCK 0xFF
34
35 // Default configuration
36 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00, .Q5 = FALSE };
37
38 t55xx_conf_block_t Get_t55xx_Config(){
39 return config;
40 }
41 void Set_t55xx_Config(t55xx_conf_block_t conf){
42 config = conf;
43 }
44
45 int usage_t55xx_config(){
46 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
47 PrintAndLog("Options:");
48 PrintAndLog(" h This help");
49 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
50 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
51 PrintAndLog(" i [1] Invert data signal, defaults to normal");
52 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
53 PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
54 PrintAndLog("");
55 PrintAndLog("Examples:");
56 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
57 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
58 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
59 PrintAndLog("");
60 return 0;
61 }
62 int usage_t55xx_read(){
63 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
64 PrintAndLog("Options:");
65 PrintAndLog(" b <block> - block number to read. Between 0-7");
66 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
67 PrintAndLog(" o - OPTIONAL override safety check");
68 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
69 PrintAndLog(" ****WARNING****");
70 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
71 PrintAndLog(" can damage the tag");
72 PrintAndLog("");
73 PrintAndLog("Examples:");
74 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
75 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
76 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
77 PrintAndLog("");
78 return 0;
79 }
80 int usage_t55xx_write(){
81 PrintAndLog("Usage: lf t55xx wr [b <block>] [d <data>] [p <password>] [1]");
82 PrintAndLog("Options:");
83 PrintAndLog(" b <block> - block number to write. Between 0-7");
84 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
85 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
86 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
87 PrintAndLog("");
88 PrintAndLog("Examples:");
89 PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");
90 PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
91 PrintAndLog("");
92 return 0;
93 }
94 int usage_t55xx_trace() {
95 PrintAndLog("Usage: lf t55xx trace [1]");
96 PrintAndLog("Options:");
97 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
98 PrintAndLog("");
99 PrintAndLog("Examples:");
100 PrintAndLog(" lf t55xx trace");
101 PrintAndLog(" lf t55xx trace 1");
102 PrintAndLog("");
103 return 0;
104 }
105 int usage_t55xx_info() {
106 PrintAndLog("Usage: lf t55xx info [1]");
107 PrintAndLog("Options:");
108 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
109 PrintAndLog("");
110 PrintAndLog("Examples:");
111 PrintAndLog(" lf t55xx info");
112 PrintAndLog(" lf t55xx info 1");
113 PrintAndLog("");
114 return 0;
115 }
116 int usage_t55xx_dump(){
117 PrintAndLog("Usage: lf t55xx dump <password> [o]");
118 PrintAndLog("Options:");
119 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
120 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
121 PrintAndLog("");
122 PrintAndLog("Examples:");
123 PrintAndLog(" lf t55xx dump");
124 PrintAndLog(" lf t55xx dump feedbeef o");
125 PrintAndLog("");
126 return 0;
127 }
128 int usage_t55xx_detect(){
129 PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
130 PrintAndLog("Options:");
131 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
132 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
133 PrintAndLog("");
134 PrintAndLog("Examples:");
135 PrintAndLog(" lf t55xx detect");
136 PrintAndLog(" lf t55xx detect 1");
137 PrintAndLog(" lf t55xx detect p 11223344");
138 PrintAndLog("");
139 return 0;
140 }
141 int usage_t55xx_wakup(){
142 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
143 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
144 PrintAndLog("Options:");
145 PrintAndLog(" h - this help");
146 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
147 PrintAndLog("");
148 PrintAndLog("Examples:");
149 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
150 return 0;
151 }
152 int usage_t55xx_bruteforce(){
153 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password>");
154 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
155 PrintAndLog("Examples:");
156 PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");
157 PrintAndLog("");
158 return 0;
159 }
160
161 static int CmdHelp(const char *Cmd);
162
163 void printT5xxHeader(uint8_t page){
164 PrintAndLog("Reading Page %d:", page);
165 PrintAndLog("blk | hex data | binary");
166 PrintAndLog("----+----------+---------------------------------");
167 }
168
169 int CmdT55xxSetConfig(const char *Cmd) {
170
171 uint8_t offset = 0;
172 char modulation[5] = {0x00};
173 char tmp = 0x00;
174 uint8_t bitRate = 0;
175 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
176 uint8_t cmdp = 0;
177 config.Q5 = FALSE;
178 bool errors = FALSE;
179 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
180 {
181 tmp = param_getchar(Cmd, cmdp);
182 switch(tmp)
183 {
184 case 'h':
185 case 'H':
186 return usage_t55xx_config();
187 case 'b':
188 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
189 if ( !errors){
190 uint8_t i = 0;
191 for (; i < 9; i++){
192 if (rates[i]==bitRate) {
193 config.bitrate = i;
194 break;
195 }
196 }
197 if (i==9) errors = TRUE;
198 }
199 cmdp+=2;
200 break;
201 case 'd':
202 param_getstr(Cmd, cmdp+1, modulation);
203 cmdp += 2;
204
205 if ( strcmp(modulation, "FSK" ) == 0) {
206 config.modulation = DEMOD_FSK;
207 } else if ( strcmp(modulation, "FSK1" ) == 0) {
208 config.modulation = DEMOD_FSK1;
209 config.inverted=1;
210 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
211 config.modulation = DEMOD_FSK1a;
212 config.inverted=0;
213 } else if ( strcmp(modulation, "FSK2" ) == 0) {
214 config.modulation = DEMOD_FSK2;
215 config.inverted=0;
216 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
217 config.modulation = DEMOD_FSK2a;
218 config.inverted=1;
219 } else if ( strcmp(modulation, "ASK" ) == 0) {
220 config.modulation = DEMOD_ASK;
221 } else if ( strcmp(modulation, "NRZ" ) == 0) {
222 config.modulation = DEMOD_NRZ;
223 } else if ( strcmp(modulation, "PSK1" ) == 0) {
224 config.modulation = DEMOD_PSK1;
225 } else if ( strcmp(modulation, "PSK2" ) == 0) {
226 config.modulation = DEMOD_PSK2;
227 } else if ( strcmp(modulation, "PSK3" ) == 0) {
228 config.modulation = DEMOD_PSK3;
229 } else if ( strcmp(modulation, "BIa" ) == 0) {
230 config.modulation = DEMOD_BIa;
231 config.inverted=1;
232 } else if ( strcmp(modulation, "BI" ) == 0) {
233 config.modulation = DEMOD_BI;
234 config.inverted=0;
235 } else {
236 PrintAndLog("Unknown modulation '%s'", modulation);
237 errors = TRUE;
238 }
239 break;
240 case 'i':
241 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
242 cmdp+=2;
243 break;
244 case 'o':
245 errors |= param_getdec(Cmd, cmdp+1, &offset);
246 if ( !errors )
247 config.offset = offset;
248 cmdp+=2;
249 break;
250 case 'Q':
251 case 'q':
252 config.Q5 = TRUE;
253 cmdp++;
254 break;
255 default:
256 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
257 errors = TRUE;
258 break;
259 }
260 }
261
262 // No args
263 if (cmdp == 0) return printConfiguration( config );
264
265 //Validations
266 if (errors) return usage_t55xx_config();
267
268 config.block0 = 0;
269 return printConfiguration ( config );
270 }
271
272 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
273 //Password mode
274 if ( usepwd ) {
275 // try reading the config block and verify that PWD bit is set before doing this!
276 if ( !override ) {
277
278 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
279
280 if ( !tryDetectModulation() ) {
281 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
282 return 0;
283 } else {
284 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
285 usepwd = false;
286 page1 = false;
287 }
288 } else {
289 PrintAndLog("Safety Check Overriden - proceeding despite risk");
290 }
291 }
292
293 if (!AquireData(page1, block, usepwd, password) ) return 0;
294 if (!DecodeT55xxBlock()) return 0;
295
296 char blk[10]={0};
297 sprintf(blk,"%02d", block);
298 printT55xxBlock(blk);
299 return 1;
300 }
301
302 int CmdT55xxReadBlock(const char *Cmd) {
303 uint8_t block = REGULAR_READ_MODE_BLOCK;
304 uint32_t password = 0; //default to blank Block 7
305 bool usepwd = false;
306 bool override = false;
307 bool page1 = false;
308 bool errors = false;
309 uint8_t cmdp = 0;
310 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
311 switch(param_getchar(Cmd, cmdp)) {
312 case 'h':
313 case 'H':
314 return usage_t55xx_read();
315 case 'b':
316 case 'B':
317 errors |= param_getdec(Cmd, cmdp+1, &block);
318 cmdp += 2;
319 break;
320 case 'o':
321 case 'O':
322 override = TRUE;
323 cmdp++;
324 break;
325 case 'p':
326 case 'P':
327 password = param_get32ex(Cmd, cmdp+1, 0, 16);
328 usepwd = true;
329 cmdp += 2;
330 break;
331 case '1':
332 page1 = true;
333 cmdp++;
334 break;
335 default:
336 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
337 errors = true;
338 break;
339 }
340 }
341 if (errors) return usage_t55xx_read();
342
343 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
344 PrintAndLog("Block must be between 0 and 7");
345 return 0;
346 }
347
348 printT5xxHeader(page1);
349 return T55xxReadBlock(block, page1, usepwd, override, password);
350 }
351
352 bool DecodeT55xxBlock(){
353
354 char buf[30] = {0x00};
355 char *cmdStr = buf;
356 int ans = 0;
357 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
358 DemodBufferLen = 0x00;
359
360 switch( config.modulation ){
361 case DEMOD_FSK:
362 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
363 ans = FSKrawDemod(cmdStr, FALSE);
364 break;
365 case DEMOD_FSK1:
366 case DEMOD_FSK1a:
367 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
368 ans = FSKrawDemod(cmdStr, FALSE);
369 break;
370 case DEMOD_FSK2:
371 case DEMOD_FSK2a:
372 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
373 ans = FSKrawDemod(cmdStr, FALSE);
374 break;
375 case DEMOD_ASK:
376 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
377 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
378 break;
379 case DEMOD_PSK1:
380 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
381 CmdLtrim("160");
382 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
383 ans = PSKDemod(cmdStr, FALSE);
384 break;
385 case DEMOD_PSK2: //inverted won't affect this
386 case DEMOD_PSK3: //not fully implemented
387 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
388 CmdLtrim("160");
389 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
390 ans = PSKDemod(cmdStr, FALSE);
391 psk1TOpsk2(DemodBuffer, DemodBufferLen);
392 break;
393 case DEMOD_NRZ:
394 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
395 ans = NRZrawDemod(cmdStr, FALSE);
396 break;
397 case DEMOD_BI:
398 case DEMOD_BIa:
399 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
400 ans = ASKbiphaseDemod(cmdStr, FALSE);
401 break;
402 default:
403 return FALSE;
404 }
405 return (bool) ans;
406 }
407
408 int CmdT55xxDetect(const char *Cmd){
409
410 bool errors = FALSE;
411 bool useGB = FALSE;
412 bool usepwd = FALSE;
413 uint32_t password = 0;
414 uint8_t cmdp = 0;
415
416 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
417 switch(param_getchar(Cmd, cmdp)) {
418 case 'h':
419 case 'H':
420 return usage_t55xx_detect();
421 case 'p':
422 case 'P':
423 password = param_get32ex(Cmd, cmdp+1, 0, 16);
424 usepwd = TRUE;
425 cmdp += 2;
426 break;
427 case '1':
428 // use Graphbuffer data
429 useGB = TRUE;
430 cmdp++;
431 break;
432 default:
433 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
434 errors = true;
435 break;
436 }
437 }
438 if (errors) return usage_t55xx_detect();
439
440 if ( !useGB) {
441 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
442 return 0;
443 }
444
445 if ( !tryDetectModulation() )
446 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
447
448 return 1;
449 }
450
451 // detect configuration?
452 bool tryDetectModulation(){
453 uint8_t hits = 0;
454 t55xx_conf_block_t tests[15];
455 int bitRate=0;
456 uint8_t fc1 = 0, fc2 = 0, clk=0;
457 save_restoreGB(1);
458
459 if (GetFskClock("", FALSE, FALSE)){
460 fskClocks(&fc1, &fc2, &clk, FALSE);
461 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
462 tests[hits].modulation = DEMOD_FSK;
463 if (fc1==8 && fc2 == 5)
464 tests[hits].modulation = DEMOD_FSK1a;
465 else if (fc1==10 && fc2 == 8)
466 tests[hits].modulation = DEMOD_FSK2;
467 tests[hits].bitrate = bitRate;
468 tests[hits].inverted = FALSE;
469 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
470 ++hits;
471 }
472 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
473 tests[hits].modulation = DEMOD_FSK;
474 if (fc1 == 8 && fc2 == 5)
475 tests[hits].modulation = DEMOD_FSK1;
476 else if (fc1 == 10 && fc2 == 8)
477 tests[hits].modulation = DEMOD_FSK2a;
478
479 tests[hits].bitrate = bitRate;
480 tests[hits].inverted = TRUE;
481 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
482 ++hits;
483 }
484 } else {
485 clk = GetAskClock("", FALSE, FALSE);
486 if (clk>0) {
487 if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
488 tests[hits].modulation = DEMOD_ASK;
489 tests[hits].bitrate = bitRate;
490 tests[hits].inverted = FALSE;
491 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
492 ++hits;
493 }
494 if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
495 tests[hits].modulation = DEMOD_ASK;
496 tests[hits].bitrate = bitRate;
497 tests[hits].inverted = TRUE;
498 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
499 ++hits;
500 }
501 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
502 tests[hits].modulation = DEMOD_BI;
503 tests[hits].bitrate = bitRate;
504 tests[hits].inverted = FALSE;
505 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
506 ++hits;
507 }
508 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
509 tests[hits].modulation = DEMOD_BIa;
510 tests[hits].bitrate = bitRate;
511 tests[hits].inverted = TRUE;
512 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
513 ++hits;
514 }
515 }
516 //undo trim from ask
517 save_restoreGB(0);
518 clk = GetNrzClock("", FALSE, FALSE);
519 if (clk>0) {
520 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
521 tests[hits].modulation = DEMOD_NRZ;
522 tests[hits].bitrate = bitRate;
523 tests[hits].inverted = FALSE;
524 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
525 ++hits;
526 }
527
528 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
529 tests[hits].modulation = DEMOD_NRZ;
530 tests[hits].bitrate = bitRate;
531 tests[hits].inverted = TRUE;
532 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
533 ++hits;
534 }
535 }
536
537 //undo trim from nrz
538 save_restoreGB(0);
539 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
540 CmdLtrim("160");
541 clk = GetPskClock("", FALSE, FALSE);
542 if (clk>0) {
543 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
544 tests[hits].modulation = DEMOD_PSK1;
545 tests[hits].bitrate = bitRate;
546 tests[hits].inverted = FALSE;
547 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
548 ++hits;
549 }
550 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
551 tests[hits].modulation = DEMOD_PSK1;
552 tests[hits].bitrate = bitRate;
553 tests[hits].inverted = TRUE;
554 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
555 ++hits;
556 }
557 // PSK2 - needs a call to psk1TOpsk2.
558 if ( PSKDemod("0 0 6", FALSE)) {
559 psk1TOpsk2(DemodBuffer, DemodBufferLen);
560 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
561 tests[hits].modulation = DEMOD_PSK2;
562 tests[hits].bitrate = bitRate;
563 tests[hits].inverted = FALSE;
564 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
565 ++hits;
566 }
567 } // inverse waves does not affect this demod
568 // PSK3 - needs a call to psk1TOpsk2.
569 if ( PSKDemod("0 0 6", FALSE)) {
570 psk1TOpsk2(DemodBuffer, DemodBufferLen);
571 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
572 tests[hits].modulation = DEMOD_PSK3;
573 tests[hits].bitrate = bitRate;
574 tests[hits].inverted = FALSE;
575 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
576 ++hits;
577 }
578 } // inverse waves does not affect this demod
579 }
580 }
581 save_restoreGB(0);
582 if ( hits == 1) {
583 config.modulation = tests[0].modulation;
584 config.bitrate = tests[0].bitrate;
585 config.inverted = tests[0].inverted;
586 config.offset = tests[0].offset;
587 config.block0 = tests[0].block0;
588 printConfiguration( config );
589 return TRUE;
590 }
591
592 if ( hits > 1) {
593 PrintAndLog("Found [%d] possible matches for modulation.",hits);
594 for(int i=0; i<hits; ++i){
595 PrintAndLog("--[%d]---------------", i+1);
596 printConfiguration( tests[i] );
597 }
598 }
599 return FALSE;
600 }
601
602 bool testModulation(uint8_t mode, uint8_t modread){
603 switch( mode ){
604 case DEMOD_FSK:
605 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
606 break;
607 case DEMOD_ASK:
608 if (modread == DEMOD_ASK) return TRUE;
609 break;
610 case DEMOD_PSK1:
611 if (modread == DEMOD_PSK1) return TRUE;
612 break;
613 case DEMOD_PSK2:
614 if (modread == DEMOD_PSK2) return TRUE;
615 break;
616 case DEMOD_PSK3:
617 if (modread == DEMOD_PSK3) return TRUE;
618 break;
619 case DEMOD_NRZ:
620 if (modread == DEMOD_NRZ) return TRUE;
621 break;
622 case DEMOD_BI:
623 if (modread == DEMOD_BI) return TRUE;
624 break;
625 case DEMOD_BIa:
626 if (modread == DEMOD_BIa) return TRUE;
627 break;
628 default:
629 return FALSE;
630 }
631 return FALSE;
632 }
633
634 bool testQ5Modulation(uint8_t mode, uint8_t modread){
635 switch( mode ){
636 case DEMOD_FSK:
637 if (modread >= 4 && modread <= 5) return TRUE;
638 break;
639 case DEMOD_ASK:
640 if (modread == 0) return TRUE;
641 break;
642 case DEMOD_PSK1:
643 if (modread == 1) return TRUE;
644 break;
645 case DEMOD_PSK2:
646 if (modread == 2) return TRUE;
647 break;
648 case DEMOD_PSK3:
649 if (modread == 3) return TRUE;
650 break;
651 case DEMOD_NRZ:
652 if (modread == 7) return TRUE;
653 break;
654 case DEMOD_BI:
655 if (modread == 6) return TRUE;
656 break;
657 default:
658 return FALSE;
659 }
660 return FALSE;
661 }
662
663 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
664
665 if ( DemodBufferLen < 64 ) return FALSE;
666 uint8_t si = 0;
667 for (uint8_t idx = 28; idx < 64; idx++){
668 si = idx;
669 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
670
671 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
672 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
673 // 2nibble must be zeroed.
674 if (safer != 0x6) continue;
675 if ( resv > 0x00) continue;
676 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
677 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
678 si += 1+1;
679 int bitRate = PackBits(si, 5, DemodBuffer)*2 + 2; si += 5; //bit rate
680 if (bitRate > 128 || bitRate < 8) continue;
681
682 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
683 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
684 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
685 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
686 si += 1+1+2+1;
687 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
688 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
689 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
690 if (maxBlk == 0) continue;
691 //test modulation
692 if (!testQ5Modulation(mode, modread)) continue;
693 if (bitRate != clk) continue;
694 *fndBitRate = bitRate;
695 *offset = idx;
696
697 return TRUE;
698 }
699 return FALSE;
700 }
701
702 bool testBitRate(uint8_t readRate, uint8_t clk){
703 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
704 if (expected[readRate] == clk)
705 return true;
706
707 return false;
708 }
709
710 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
711
712 if ( DemodBufferLen < 64 ) return FALSE;
713 uint8_t si = 0;
714 for (uint8_t idx = 28; idx < 64; idx++){
715 si = idx;
716 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
717
718 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
719 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
720 // 2nibble must be zeroed.
721 // moved test to here, since this gets most faults first.
722 if ( resv > 0x00) continue;
723
724 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
725 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
726 if (bitRate > 7) continue;
727 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
728 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
729 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
730 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
731 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
732
733 //if extended mode
734 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
735
736 if (!extMode){
737 if (nml01 || nml02 || xtRate) continue;
738 }
739 //test modulation
740 if (!testModulation(mode, modread)) continue;
741 if (!testBitRate(bitRate, clk)) continue;
742 *fndBitRate = bitRate;
743 *offset = idx;
744 *Q5 = FALSE;
745 return TRUE;
746 }
747 if (testQ5(mode, offset, fndBitRate, clk)) {
748 *Q5 = TRUE;
749 return TRUE;
750 }
751 return FALSE;
752 }
753
754 void printT55xxBlock(const char *blockNum){
755
756 uint8_t i = config.offset;
757 uint8_t endpos = 32 + i;
758 uint32_t blockData = 0;
759 uint8_t bits[64] = {0x00};
760
761 if ( !DemodBufferLen) return;
762
763 if ( endpos > DemodBufferLen){
764 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
765 return;
766 }
767
768 for (; i < endpos; ++i)
769 bits[i - config.offset] = DemodBuffer[i];
770
771 blockData = PackBits(0, 32, bits);
772
773 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
774 }
775
776 int special(const char *Cmd) {
777 uint32_t blockData = 0;
778 uint8_t bits[32] = {0x00};
779
780 PrintAndLog("OFFSET | DATA | BINARY");
781 PrintAndLog("----------------------------------------------------");
782 int i,j = 0;
783 for (; j < 64; ++j){
784
785 for (i = 0; i < 32; ++i)
786 bits[i]=DemodBuffer[j+i];
787
788 blockData = PackBits(0, 32, bits);
789
790 PrintAndLog("%02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
791 }
792 return 0;
793 }
794
795 int printConfiguration( t55xx_conf_block_t b){
796 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
797 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
798 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
799 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
800 PrintAndLog("Offset : %d", b.offset);
801 PrintAndLog("Block0 : 0x%08X", b.block0);
802 PrintAndLog("");
803 return 0;
804 }
805
806 int CmdT55xxWakeUp(const char *Cmd) {
807 uint32_t password = 0;
808 uint8_t cmdp = 0;
809 bool errors = false;
810 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
811 switch(param_getchar(Cmd, cmdp)) {
812 case 'h':
813 case 'H':
814 return usage_t55xx_wakup();
815 case 'p':
816 case 'P':
817 password = param_get32ex(Cmd, cmdp+1, 0, 16);
818 cmdp += 2;
819 errors = false;
820 break;
821 default:
822 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
823 errors = true;
824 break;
825 }
826 }
827 if (errors) return usage_t55xx_wakup();
828
829 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
830 clearCommandBuffer();
831 SendCommand(&c);
832 PrintAndLog("Wake up command sent. Try read now");
833 return 0;
834 }
835
836 int CmdT55xxWriteBlock(const char *Cmd) {
837 uint8_t block = 0xFF; //default to invalid block
838 uint32_t data = 0; //default to blank Block
839 uint32_t password = 0; //default to blank Block 7
840 bool usepwd = false;
841 bool page1 = false;
842 bool gotdata = false;
843 bool errors = false;
844 uint8_t cmdp = 0;
845 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
846 switch(param_getchar(Cmd, cmdp)) {
847 case 'h':
848 case 'H':
849 return usage_t55xx_write();
850 case 'b':
851 case 'B':
852 errors |= param_getdec(Cmd, cmdp+1, &block);
853 cmdp += 2;
854 break;
855 case 'd':
856 case 'D':
857 data = param_get32ex(Cmd, cmdp+1, 0, 16);
858 gotdata = true;
859 cmdp += 2;
860 break;
861 case 'p':
862 case 'P':
863 password = param_get32ex(Cmd, cmdp+1, 0, 16);
864 usepwd = true;
865 cmdp += 2;
866 break;
867 case '1':
868 page1 = true;
869 cmdp++;
870 break;
871 default:
872 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
873 errors = true;
874 break;
875 }
876 }
877 if (errors || !gotdata) return usage_t55xx_write();
878
879 if (block > 7) {
880 PrintAndLog("Block number must be between 0 and 7");
881 return 0;
882 }
883
884 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
885 UsbCommand resp;
886 c.d.asBytes[0] = (page1) ? 0x2 : 0;
887
888 char pwdStr[16] = {0};
889 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
890
891 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
892
893 //Password mode
894 if (usepwd) {
895 c.arg[2] = password;
896 c.d.asBytes[0] |= 0x1;
897 }
898 clearCommandBuffer();
899 SendCommand(&c);
900 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
901 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
902 return 0;
903 }
904 return 1;
905 }
906
907 int CmdT55xxReadTrace(const char *Cmd) {
908 char cmdp = param_getchar(Cmd, 0);
909 bool pwdmode = false;
910 uint32_t password = 0;
911 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();
912
913 if (strlen(Cmd)==0)
914 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
915 return 0;
916
917 if (!DecodeT55xxBlock()) return 0;
918
919 if ( !DemodBufferLen) return 0;
920
921 RepaintGraphWindow();
922 uint8_t repeat = 0;
923 if (config.offset > 5)
924 repeat = 32;
925 uint8_t si = config.offset+repeat;
926 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
927 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
928
929 uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;
930 uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;
931 uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;
932 uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;
933 uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;
934 uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;
935 uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;
936 uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;
937 uint32_t dw = PackBits(si, 15, DemodBuffer);
938
939 time_t t = time(NULL);
940 struct tm tm = *localtime(&t);
941 if ( year > tm.tm_year-110)
942 year += 2000;
943 else
944 year += 2010;
945
946 if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected");
947 if ( acl != 0xE0 ) {
948 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
949 return 0;
950 }
951 PrintAndLog("");
952 PrintAndLog("-- T55xx Trace Information ----------------------------------");
953 PrintAndLog("-------------------------------------------------------------");
954 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
955 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));
956 PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));
957 PrintAndLog(" ICR IC Revision : %d",icr );
958 PrintAndLog(" Manufactured");
959 PrintAndLog(" Year/Quarter : %d/%d",year, quarter);
960 PrintAndLog(" Lot ID : %d", lotid );
961 PrintAndLog(" Wafer number : %d", wafer);
962 PrintAndLog(" Die Number : %d", dw);
963 PrintAndLog("-------------------------------------------------------------");
964 PrintAndLog(" Raw Data - Page 1");
965 PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
966 PrintAndLog(" Block 2 : 0x%08X %s", bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
967 PrintAndLog("-------------------------------------------------------------");
968
969 /*
970 TRACE - BLOCK O
971 Bits Definition HEX
972 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
973 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
974 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
975 22-24 ICR IC revision
976 25-28 YEAR (BCD encoded) 9 (= 2009)
977 29-30 QUARTER 1,2,3,4
978 31-32 LOT ID
979
980 TRACE - BLOCK 1
981 1-12 LOT ID
982 13-17 Wafer number
983 18-32 DW, die number sequential
984 */
985
986 return 0;
987 }
988
989 int CmdT55xxInfo(const char *Cmd){
990 /*
991 Page 0 Block 0 Configuration data.
992 Normal mode
993 Extended mode
994 */
995 bool pwdmode = false;
996 uint32_t password = 0;
997 char cmdp = param_getchar(Cmd, 0);
998
999 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info();
1000
1001 if (strlen(Cmd)==0)
1002 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1003 return 1;
1004
1005 if (!DecodeT55xxBlock()) return 1;
1006
1007 if ( DemodBufferLen < 32) return 1;
1008
1009 uint8_t si = config.offset;
1010 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1011
1012 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1013 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1014 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1015 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1016 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1017 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1018 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1019 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1020 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1021 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1022 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1023 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1024 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1025 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1026 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1027 PrintAndLog("");
1028 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
1029 PrintAndLog("-------------------------------------------------------------");
1030 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1031 PrintAndLog(" reserved : %d", resv);
1032 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1033 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1034 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1035 PrintAndLog(" PSK clock frequency : %d", pskcf);
1036 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1037 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1038 PrintAndLog(" Max block : %d", maxblk);
1039 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1040 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1041 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1042 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1043 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1044 PrintAndLog("-------------------------------------------------------------");
1045 PrintAndLog(" Raw Data - Page 0");
1046 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1047 PrintAndLog("-------------------------------------------------------------");
1048
1049 return 0;
1050 }
1051
1052 int CmdT55xxDump(const char *Cmd){
1053
1054 uint32_t password = 0;
1055 bool override = false;
1056 char cmdp = param_getchar(Cmd, 0);
1057 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1058
1059 bool usepwd = ( strlen(Cmd) > 0);
1060 if ( usepwd ){
1061 password = param_get32ex(Cmd, 0, 0, 16);
1062 if (param_getchar(Cmd, 1) =='o' )
1063 override = true;
1064 }
1065
1066 printT5xxHeader(0);
1067 for ( uint8_t i = 0; i < 8; ++i)
1068 T55xxReadBlock(i, 0, usepwd, override, password);
1069
1070 printT5xxHeader(1);
1071 for ( uint8_t i = 0; i < 4; i++)
1072 T55xxReadBlock(i, 1, usepwd, override, password);
1073
1074 return 1;
1075 }
1076
1077 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1078 // arg0 bitmodes:
1079 // bit0 = pwdmode
1080 // bit1 = page to read from
1081 uint8_t arg0 = (page<<1) | pwdmode;
1082 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1083
1084 clearCommandBuffer();
1085 SendCommand(&c);
1086 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1087 PrintAndLog("command execution time out");
1088 return 0;
1089 }
1090
1091 uint8_t got[12000];
1092 GetFromBigBuf(got,sizeof(got),0);
1093 WaitForResponse(CMD_ACK,NULL);
1094 setGraphBuf(got, sizeof(got));
1095 return 1;
1096 }
1097
1098 char * GetBitRateStr(uint32_t id){
1099 static char buf[25];
1100
1101 char *retStr = buf;
1102 switch (id){
1103 case 0:
1104 snprintf(retStr,sizeof(buf),"%d - RF/8",id);
1105 break;
1106 case 1:
1107 snprintf(retStr,sizeof(buf),"%d - RF/16",id);
1108 break;
1109 case 2:
1110 snprintf(retStr,sizeof(buf),"%d - RF/32",id);
1111 break;
1112 case 3:
1113 snprintf(retStr,sizeof(buf),"%d - RF/40",id);
1114 break;
1115 case 4:
1116 snprintf(retStr,sizeof(buf),"%d - RF/50",id);
1117 break;
1118 case 5:
1119 snprintf(retStr,sizeof(buf),"%d - RF/64",id);
1120 break;
1121 case 6:
1122 snprintf(retStr,sizeof(buf),"%d - RF/100",id);
1123 break;
1124 case 7:
1125 snprintf(retStr,sizeof(buf),"%d - RF/128",id);
1126 break;
1127 default:
1128 snprintf(retStr,sizeof(buf),"%d - (Unknown)",id);
1129 break;
1130 }
1131
1132 return buf;
1133 }
1134
1135 char * GetSaferStr(uint32_t id){
1136 static char buf[40];
1137 char *retStr = buf;
1138
1139 snprintf(retStr,sizeof(buf),"%d",id);
1140 if (id == 6) {
1141 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1142 }
1143 if (id == 9 ){
1144 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1145 }
1146
1147 return buf;
1148 }
1149
1150 char * GetModulationStr( uint32_t id){
1151 static char buf[60];
1152 char *retStr = buf;
1153
1154 switch (id){
1155 case 0:
1156 snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id);
1157 break;
1158 case 1:
1159 snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id);
1160 break;
1161 case 2:
1162 snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id);
1163 break;
1164 case 3:
1165 snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id);
1166 break;
1167 case 4:
1168 snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id);
1169 break;
1170 case 5:
1171 snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id);
1172 break;
1173 case 6:
1174 snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id);
1175 break;
1176 case 7:
1177 snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id);
1178 break;
1179 case 8:
1180 snprintf(retStr,sizeof(buf),"%d - Manchester",id);
1181 break;
1182 case 16:
1183 snprintf(retStr,sizeof(buf),"%d - Biphase",id);
1184 break;
1185 case 0x18:
1186 snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);
1187 break;
1188 case 17:
1189 snprintf(retStr,sizeof(buf),"%d - Reserved",id);
1190 break;
1191 default:
1192 snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id);
1193 break;
1194 }
1195 return buf;
1196 }
1197
1198 char * GetModelStrFromCID(uint32_t cid){
1199
1200 static char buf[10];
1201 char *retStr = buf;
1202
1203 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1204 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1205 return buf;
1206 }
1207
1208 char * GetSelectedModulationStr( uint8_t id){
1209
1210 static char buf[20];
1211 char *retStr = buf;
1212
1213 switch (id){
1214 case DEMOD_FSK:
1215 snprintf(retStr,sizeof(buf),"FSK");
1216 break;
1217 case DEMOD_FSK1:
1218 snprintf(retStr,sizeof(buf),"FSK1");
1219 break;
1220 case DEMOD_FSK1a:
1221 snprintf(retStr,sizeof(buf),"FSK1a");
1222 break;
1223 case DEMOD_FSK2:
1224 snprintf(retStr,sizeof(buf),"FSK2");
1225 break;
1226 case DEMOD_FSK2a:
1227 snprintf(retStr,sizeof(buf),"FSK2a");
1228 break;
1229 case DEMOD_ASK:
1230 snprintf(retStr,sizeof(buf),"ASK");
1231 break;
1232 case DEMOD_NRZ:
1233 snprintf(retStr,sizeof(buf),"DIRECT/NRZ");
1234 break;
1235 case DEMOD_PSK1:
1236 snprintf(retStr,sizeof(buf),"PSK1");
1237 break;
1238 case DEMOD_PSK2:
1239 snprintf(retStr,sizeof(buf),"PSK2");
1240 break;
1241 case DEMOD_PSK3:
1242 snprintf(retStr,sizeof(buf),"PSK3");
1243 break;
1244 case DEMOD_BI:
1245 snprintf(retStr,sizeof(buf),"BIPHASE");
1246 break;
1247 case DEMOD_BIa:
1248 snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)");
1249 break;
1250 default:
1251 snprintf(retStr,sizeof(buf),"(Unknown)");
1252 break;
1253 }
1254 return buf;
1255 }
1256
1257 void t55x7_create_config_block( int tagtype ){
1258
1259 /*
1260 T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK
1261 T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK,
1262 T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK
1263 T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK
1264 */
1265 static char buf[60];
1266 char *retStr = buf;
1267
1268 switch (tagtype){
1269 case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;
1270 case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;
1271 default:
1272 break;
1273 }
1274 PrintAndLog(buf);
1275 }
1276
1277 int CmdResetRead(const char *Cmd) {
1278 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1279
1280 clearCommandBuffer();
1281 SendCommand(&c);
1282 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1283 PrintAndLog("command execution time out");
1284 return 0;
1285 }
1286
1287 uint8_t got[BIGBUF_SIZE-1];
1288 GetFromBigBuf(got,sizeof(got),0);
1289 WaitForResponse(CMD_ACK,NULL);
1290 setGraphBuf(got, sizeof(got));
1291 return 1;
1292 }
1293
1294 int CmdT55xxWipe(const char *Cmd) {
1295 char writeData[20] = {0};
1296 char *ptrData = writeData;
1297
1298 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1299
1300 //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)
1301 snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");
1302
1303 if (!CmdT55xxWriteBlock(ptrData))
1304 PrintAndLog("Error writing blk 0");
1305
1306 for (uint8_t blk = 1; blk<8; blk++) {
1307
1308 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1309
1310 if (!CmdT55xxWriteBlock(ptrData))
1311 PrintAndLog("Error writing blk %d", blk);
1312
1313 memset(writeData, sizeof(writeData), 0x00);
1314 }
1315 return 0;
1316 }
1317
1318 int CmdT55xxBruteForce(const char *Cmd) {
1319 uint32_t start_password = 0x00000000; //start password
1320 uint32_t end_password = 0xFFFFFFFF; //end password
1321
1322 bool found = false;
1323 char cmdp = param_getchar(Cmd, 0);
1324 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1325
1326 start_password = param_get32ex(Cmd, 0, 0, 16);
1327 end_password = param_get32ex(Cmd, 1, 0, 16);
1328
1329 if ( start_password >= end_password ) return usage_t55xx_bruteforce();
1330
1331 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1332
1333 uint32_t i = start_password;
1334
1335 while ((!found) && (i <= end_password)){
1336
1337 AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i);
1338 found = tryDetectModulation();
1339
1340 if (found)
1341 break;
1342
1343 if ((i % 0x100) == 0) printf("[%08x], ",i);
1344
1345 i++;
1346 }
1347
1348 PrintAndLog("");
1349
1350 if (found)
1351 PrintAndLog("Password found [%08x]", i);
1352 else
1353 PrintAndLog("Password NOT found. Last tried: [%08x]", i);
1354 return 0;
1355 }
1356
1357 static command_t CommandTable[] = {
1358 {"help", CmdHelp, 1, "This help"},
1359 {"bruteforce", CmdT55xxBruteForce,0, "Simple bruteforce attack to find password"},
1360 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1361 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1362 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1363 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1364 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1365 {"resetread", CmdResetRead, 0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"},
1366 {"special", special, 0, "Show block changes with 64 different offsets"},
1367 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1368 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1369 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1370 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1371 {NULL, NULL, 0, NULL}
1372 };
1373
1374 int CmdLFT55XX(const char *Cmd) {
1375 CmdsParse(CommandTable, Cmd);
1376 return 0;
1377 }
1378
1379 int CmdHelp(const char *Cmd) {
1380 CmdsHelp(CommandTable);
1381 return 0;
1382 }
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