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ADD: added @pwpiwi 's corrections to "hf mf hardnested"
[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("This command uses A) bruteforce to scan a number range");
154 PrintAndLog(" B) a dictionary attack");
155 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
156 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
157 PrintAndLog("Options:");
158 PrintAndLog(" h - this help");
159 PrintAndLog(" <start_pwd> - 4 byte hex value to start pwd search at");
160 PrintAndLog(" <end_pwd> - 4 byte hex value to end pwd search at");
161 PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");
162 PrintAndLog("");
163 PrintAndLog("Examples:");
164 PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");
165 PrintAndLog(" lf t55xx bruteforce i default_pwd.dic");
166 PrintAndLog("");
167 return 0;
168 }
169
170 static int CmdHelp(const char *Cmd);
171
172 void printT5xxHeader(uint8_t page){
173 PrintAndLog("Reading Page %d:", page);
174 PrintAndLog("blk | hex data | binary");
175 PrintAndLog("----+----------+---------------------------------");
176 }
177
178 int CmdT55xxSetConfig(const char *Cmd) {
179
180 uint8_t offset = 0;
181 char modulation[5] = {0x00};
182 char tmp = 0x00;
183 uint8_t bitRate = 0;
184 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
185 uint8_t cmdp = 0;
186 bool errors = FALSE;
187 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
188 {
189 tmp = param_getchar(Cmd, cmdp);
190 switch(tmp)
191 {
192 case 'h':
193 case 'H':
194 return usage_t55xx_config();
195 case 'b':
196 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
197 if ( !errors){
198 uint8_t i = 0;
199 for (; i < 9; i++){
200 if (rates[i]==bitRate) {
201 config.bitrate = i;
202 break;
203 }
204 }
205 if (i==9) errors = TRUE;
206 }
207 cmdp+=2;
208 break;
209 case 'd':
210 param_getstr(Cmd, cmdp+1, modulation);
211 cmdp += 2;
212
213 if ( strcmp(modulation, "FSK" ) == 0) {
214 config.modulation = DEMOD_FSK;
215 } else if ( strcmp(modulation, "FSK1" ) == 0) {
216 config.modulation = DEMOD_FSK1;
217 config.inverted=1;
218 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
219 config.modulation = DEMOD_FSK1a;
220 config.inverted=0;
221 } else if ( strcmp(modulation, "FSK2" ) == 0) {
222 config.modulation = DEMOD_FSK2;
223 config.inverted=0;
224 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
225 config.modulation = DEMOD_FSK2a;
226 config.inverted=1;
227 } else if ( strcmp(modulation, "ASK" ) == 0) {
228 config.modulation = DEMOD_ASK;
229 } else if ( strcmp(modulation, "NRZ" ) == 0) {
230 config.modulation = DEMOD_NRZ;
231 } else if ( strcmp(modulation, "PSK1" ) == 0) {
232 config.modulation = DEMOD_PSK1;
233 } else if ( strcmp(modulation, "PSK2" ) == 0) {
234 config.modulation = DEMOD_PSK2;
235 } else if ( strcmp(modulation, "PSK3" ) == 0) {
236 config.modulation = DEMOD_PSK3;
237 } else if ( strcmp(modulation, "BIa" ) == 0) {
238 config.modulation = DEMOD_BIa;
239 config.inverted=1;
240 } else if ( strcmp(modulation, "BI" ) == 0) {
241 config.modulation = DEMOD_BI;
242 config.inverted=0;
243 } else {
244 PrintAndLog("Unknown modulation '%s'", modulation);
245 errors = TRUE;
246 }
247 break;
248 case 'i':
249 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
250 cmdp+=2;
251 break;
252 case 'o':
253 errors |= param_getdec(Cmd, cmdp+1, &offset);
254 if ( !errors )
255 config.offset = offset;
256 cmdp+=2;
257 break;
258 case 'Q':
259 case 'q':
260 config.Q5 = TRUE;
261 cmdp++;
262 break;
263 default:
264 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
265 errors = TRUE;
266 break;
267 }
268 }
269
270 // No args
271 if (cmdp == 0) return printConfiguration( config );
272
273 //Validations
274 if (errors) return usage_t55xx_config();
275
276 config.block0 = 0;
277 return printConfiguration ( config );
278 }
279
280 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
281 //Password mode
282 if ( usepwd ) {
283 // try reading the config block and verify that PWD bit is set before doing this!
284 if ( !override ) {
285
286 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
287
288 if ( !tryDetectModulation() ) {
289 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
290 return 0;
291 } else {
292 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
293 usepwd = false;
294 page1 = false;
295 }
296 } else {
297 PrintAndLog("Safety Check Overriden - proceeding despite risk");
298 }
299 }
300
301 if (!AquireData(page1, block, usepwd, password) ) return 0;
302 if (!DecodeT55xxBlock()) return 0;
303
304 char blk[10]={0};
305 sprintf(blk,"%02d", block);
306 printT55xxBlock(blk);
307 return 1;
308 }
309
310 int CmdT55xxReadBlock(const char *Cmd) {
311 uint8_t block = REGULAR_READ_MODE_BLOCK;
312 uint32_t password = 0; //default to blank Block 7
313 bool usepwd = false;
314 bool override = false;
315 bool page1 = false;
316 bool errors = false;
317 uint8_t cmdp = 0;
318 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
319 switch(param_getchar(Cmd, cmdp)) {
320 case 'h':
321 case 'H':
322 return usage_t55xx_read();
323 case 'b':
324 case 'B':
325 errors |= param_getdec(Cmd, cmdp+1, &block);
326 cmdp += 2;
327 break;
328 case 'o':
329 case 'O':
330 override = TRUE;
331 cmdp++;
332 break;
333 case 'p':
334 case 'P':
335 password = param_get32ex(Cmd, cmdp+1, 0, 16);
336 usepwd = true;
337 cmdp += 2;
338 break;
339 case '1':
340 page1 = true;
341 cmdp++;
342 break;
343 default:
344 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
345 errors = true;
346 break;
347 }
348 }
349 if (errors) return usage_t55xx_read();
350
351 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
352 PrintAndLog("Block must be between 0 and 7");
353 return 0;
354 }
355
356 printT5xxHeader(page1);
357 return T55xxReadBlock(block, page1, usepwd, override, password);
358 }
359
360 bool DecodeT55xxBlock(){
361
362 char buf[30] = {0x00};
363 char *cmdStr = buf;
364 int ans = 0;
365 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
366 DemodBufferLen = 0x00;
367
368 switch( config.modulation ){
369 case DEMOD_FSK:
370 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
371 ans = FSKrawDemod(cmdStr, FALSE);
372 break;
373 case DEMOD_FSK1:
374 case DEMOD_FSK1a:
375 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
376 ans = FSKrawDemod(cmdStr, FALSE);
377 break;
378 case DEMOD_FSK2:
379 case DEMOD_FSK2a:
380 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
381 ans = FSKrawDemod(cmdStr, FALSE);
382 break;
383 case DEMOD_ASK:
384 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
385 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
386 break;
387 case DEMOD_PSK1:
388 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
389 save_restoreGB(1);
390 CmdLtrim("160");
391 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
392 ans = PSKDemod(cmdStr, FALSE);
393 //undo trim samples
394 save_restoreGB(0);
395 break;
396 case DEMOD_PSK2: //inverted won't affect this
397 case DEMOD_PSK3: //not fully implemented
398 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
399 save_restoreGB(1);
400 CmdLtrim("160");
401 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
402 ans = PSKDemod(cmdStr, FALSE);
403 psk1TOpsk2(DemodBuffer, DemodBufferLen);
404 //undo trim samples
405 save_restoreGB(0);
406 break;
407 case DEMOD_NRZ:
408 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
409 ans = NRZrawDemod(cmdStr, FALSE);
410 break;
411 case DEMOD_BI:
412 case DEMOD_BIa:
413 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
414 ans = ASKbiphaseDemod(cmdStr, FALSE);
415 break;
416 default:
417 return FALSE;
418 }
419 return (bool) ans;
420 }
421
422 bool DecodeT5555TraceBlock() {
423 DemodBufferLen = 0x00;
424
425 // According to datasheet. Always: RF/64, not inverted, Manchester
426 return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1);
427 }
428
429
430 int CmdT55xxDetect(const char *Cmd){
431 bool errors = FALSE;
432 bool useGB = FALSE;
433 bool usepwd = FALSE;
434 uint32_t password = 0;
435 uint8_t cmdp = 0;
436
437 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
438 switch(param_getchar(Cmd, cmdp)) {
439 case 'h':
440 case 'H':
441 return usage_t55xx_detect();
442 case 'p':
443 case 'P':
444 password = param_get32ex(Cmd, cmdp+1, 0, 16);
445 usepwd = TRUE;
446 cmdp += 2;
447 break;
448 case '1':
449 // use Graphbuffer data
450 useGB = TRUE;
451 cmdp++;
452 break;
453 default:
454 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
455 errors = true;
456 break;
457 }
458 }
459 if (errors) return usage_t55xx_detect();
460
461 if ( !useGB) {
462 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
463 return 0;
464 }
465
466 if ( !tryDetectModulation() )
467 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
468
469 return 1;
470 }
471
472 // detect configuration?
473 bool tryDetectModulation(){
474 uint8_t hits = 0;
475 t55xx_conf_block_t tests[15];
476 int bitRate=0;
477 uint8_t fc1 = 0, fc2 = 0, clk=0;
478
479 if (GetFskClock("", FALSE, FALSE)){
480 fskClocks(&fc1, &fc2, &clk, FALSE);
481 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
482 tests[hits].modulation = DEMOD_FSK;
483 if (fc1==8 && fc2 == 5)
484 tests[hits].modulation = DEMOD_FSK1a;
485 else if (fc1==10 && fc2 == 8)
486 tests[hits].modulation = DEMOD_FSK2;
487 tests[hits].bitrate = bitRate;
488 tests[hits].inverted = FALSE;
489 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
490 ++hits;
491 }
492 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
493 tests[hits].modulation = DEMOD_FSK;
494 if (fc1 == 8 && fc2 == 5)
495 tests[hits].modulation = DEMOD_FSK1;
496 else if (fc1 == 10 && fc2 == 8)
497 tests[hits].modulation = DEMOD_FSK2a;
498 tests[hits].bitrate = bitRate;
499 tests[hits].inverted = TRUE;
500 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
501 ++hits;
502 }
503 } else {
504 clk = GetAskClock("", FALSE, FALSE);
505 if (clk>0) {
506 if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
507 tests[hits].modulation = DEMOD_ASK;
508 tests[hits].bitrate = bitRate;
509 tests[hits].inverted = FALSE;
510 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
511 ++hits;
512 }
513 if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
514 tests[hits].modulation = DEMOD_ASK;
515 tests[hits].bitrate = bitRate;
516 tests[hits].inverted = TRUE;
517 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
518 ++hits;
519 }
520 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
521 tests[hits].modulation = DEMOD_BI;
522 tests[hits].bitrate = bitRate;
523 tests[hits].inverted = FALSE;
524 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
525 ++hits;
526 }
527 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
528 tests[hits].modulation = DEMOD_BIa;
529 tests[hits].bitrate = bitRate;
530 tests[hits].inverted = TRUE;
531 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
532 ++hits;
533 }
534 }
535 //undo trim from ask
536 //save_restoreGB(0);
537 clk = GetNrzClock("", FALSE, FALSE);
538 if (clk>0) {
539 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
540 tests[hits].modulation = DEMOD_NRZ;
541 tests[hits].bitrate = bitRate;
542 tests[hits].inverted = FALSE;
543 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
544 ++hits;
545 }
546
547 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
548 tests[hits].modulation = DEMOD_NRZ;
549 tests[hits].bitrate = bitRate;
550 tests[hits].inverted = TRUE;
551 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
552 ++hits;
553 }
554 }
555
556 // allow undo
557 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
558 save_restoreGB(1);
559 CmdLtrim("160");
560 clk = GetPskClock("", FALSE, FALSE);
561 if (clk>0) {
562 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
563 tests[hits].modulation = DEMOD_PSK1;
564 tests[hits].bitrate = bitRate;
565 tests[hits].inverted = FALSE;
566 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
567 ++hits;
568 }
569 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
570 tests[hits].modulation = DEMOD_PSK1;
571 tests[hits].bitrate = bitRate;
572 tests[hits].inverted = TRUE;
573 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
574 ++hits;
575 }
576 // PSK2 - needs a call to psk1TOpsk2.
577 if ( PSKDemod("0 0 6", FALSE)) {
578 psk1TOpsk2(DemodBuffer, DemodBufferLen);
579 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
580 tests[hits].modulation = DEMOD_PSK2;
581 tests[hits].bitrate = bitRate;
582 tests[hits].inverted = FALSE;
583 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
584 ++hits;
585 }
586 } // inverse waves does not affect this demod
587 // PSK3 - needs a call to psk1TOpsk2.
588 if ( PSKDemod("0 0 6", FALSE)) {
589 psk1TOpsk2(DemodBuffer, DemodBufferLen);
590 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
591 tests[hits].modulation = DEMOD_PSK3;
592 tests[hits].bitrate = bitRate;
593 tests[hits].inverted = FALSE;
594 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
595 ++hits;
596 }
597 } // inverse waves does not affect this demod
598 }
599 //undo trim samples
600 save_restoreGB(0);
601 }
602 if ( hits == 1) {
603 config.modulation = tests[0].modulation;
604 config.bitrate = tests[0].bitrate;
605 config.inverted = tests[0].inverted;
606 config.offset = tests[0].offset;
607 config.block0 = tests[0].block0;
608 config.Q5 = tests[0].Q5;
609 printConfiguration( config );
610 return TRUE;
611 }
612
613 if ( hits > 1) {
614 PrintAndLog("Found [%d] possible matches for modulation.",hits);
615 for(int i=0; i<hits; ++i){
616 PrintAndLog("--[%d]---------------", i+1);
617 printConfiguration( tests[i] );
618 }
619 }
620 return FALSE;
621 }
622
623 bool testModulation(uint8_t mode, uint8_t modread){
624 switch( mode ){
625 case DEMOD_FSK:
626 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
627 break;
628 case DEMOD_ASK:
629 if (modread == DEMOD_ASK) return TRUE;
630 break;
631 case DEMOD_PSK1:
632 if (modread == DEMOD_PSK1) return TRUE;
633 break;
634 case DEMOD_PSK2:
635 if (modread == DEMOD_PSK2) return TRUE;
636 break;
637 case DEMOD_PSK3:
638 if (modread == DEMOD_PSK3) return TRUE;
639 break;
640 case DEMOD_NRZ:
641 if (modread == DEMOD_NRZ) return TRUE;
642 break;
643 case DEMOD_BI:
644 if (modread == DEMOD_BI) return TRUE;
645 break;
646 case DEMOD_BIa:
647 if (modread == DEMOD_BIa) return TRUE;
648 break;
649 default:
650 return FALSE;
651 }
652 return FALSE;
653 }
654
655 bool testQ5Modulation(uint8_t mode, uint8_t modread){
656 switch( mode ){
657 case DEMOD_FSK:
658 if (modread >= 4 && modread <= 5) return TRUE;
659 break;
660 case DEMOD_ASK:
661 if (modread == 0) return TRUE;
662 break;
663 case DEMOD_PSK1:
664 if (modread == 1) return TRUE;
665 break;
666 case DEMOD_PSK2:
667 if (modread == 2) return TRUE;
668 break;
669 case DEMOD_PSK3:
670 if (modread == 3) return TRUE;
671 break;
672 case DEMOD_NRZ:
673 if (modread == 7) return TRUE;
674 break;
675 case DEMOD_BI:
676 if (modread == 6) return TRUE;
677 break;
678 default:
679 return FALSE;
680 }
681 return FALSE;
682 }
683
684 int convertQ5bitRate(uint8_t bitRateRead) {
685 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
686 for (int i=0; i<8; i++)
687 if (expected[i] == bitRateRead)
688 return i;
689
690 return -1;
691 }
692
693 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
694
695 if ( DemodBufferLen < 64 ) return FALSE;
696 uint8_t si = 0;
697 for (uint8_t idx = 28; idx < 64; idx++){
698 si = idx;
699 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
700
701 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
702 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
703 // 2nibble must be zeroed.
704 if (safer != 0x6 && safer != 0x9) continue;
705 if ( resv > 0x00) continue;
706 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
707 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
708 si += 1+1;
709 int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate
710 if (bitRate > 128 || bitRate < 8) continue;
711
712 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
713 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
714 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
715 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
716 si += 1+1+2+1;
717 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
718 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
719 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
720 if (maxBlk == 0) continue;
721 //test modulation
722 if (!testQ5Modulation(mode, modread)) continue;
723 if (bitRate != clk) continue;
724 *fndBitRate = convertQ5bitRate(bitRate);
725 if (*fndBitRate < 0) continue;
726 *offset = idx;
727
728 return TRUE;
729 }
730 return FALSE;
731 }
732
733 bool testBitRate(uint8_t readRate, uint8_t clk){
734 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
735 if (expected[readRate] == clk)
736 return true;
737
738 return false;
739 }
740
741 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
742
743 if ( DemodBufferLen < 64 ) return FALSE;
744 uint8_t si = 0;
745 for (uint8_t idx = 28; idx < 64; idx++){
746 si = idx;
747 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
748
749 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
750 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
751 // 2nibble must be zeroed.
752 // moved test to here, since this gets most faults first.
753 if ( resv > 0x00) continue;
754
755 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
756 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
757 if (bitRate > 7) continue;
758 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
759 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
760 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
761 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
762 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
763
764 //if extended mode
765 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
766
767 if (!extMode){
768 if (nml01 || nml02 || xtRate) continue;
769 }
770 //test modulation
771 if (!testModulation(mode, modread)) continue;
772 if (!testBitRate(bitRate, clk)) continue;
773 *fndBitRate = bitRate;
774 *offset = idx;
775 *Q5 = FALSE;
776 return TRUE;
777 }
778 if (testQ5(mode, offset, fndBitRate, clk)) {
779 *Q5 = TRUE;
780 return TRUE;
781 }
782 return FALSE;
783 }
784
785 void printT55xxBlock(const char *blockNum){
786
787 uint8_t i = config.offset;
788 uint8_t endpos = 32 + i;
789 uint32_t blockData = 0;
790 uint8_t bits[64] = {0x00};
791
792 if ( !DemodBufferLen) return;
793
794 if ( endpos > DemodBufferLen){
795 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
796 return;
797 }
798
799 for (; i < endpos; ++i)
800 bits[i - config.offset] = DemodBuffer[i];
801
802 blockData = PackBits(0, 32, bits);
803
804 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
805 }
806
807 int special(const char *Cmd) {
808 uint32_t blockData = 0;
809 uint8_t bits[32] = {0x00};
810
811 PrintAndLog("OFFSET | DATA | BINARY");
812 PrintAndLog("----------------------------------------------------");
813 int i,j = 0;
814 for (; j < 64; ++j){
815
816 for (i = 0; i < 32; ++i)
817 bits[i]=DemodBuffer[j+i];
818
819 blockData = PackBits(0, 32, bits);
820
821 PrintAndLog("%02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
822 }
823 return 0;
824 }
825
826 int printConfiguration( t55xx_conf_block_t b){
827 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
828 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
829 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
830 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
831 PrintAndLog("Offset : %d", b.offset);
832 PrintAndLog("Block0 : 0x%08X", b.block0);
833 PrintAndLog("");
834 return 0;
835 }
836
837 int CmdT55xxWakeUp(const char *Cmd) {
838 uint32_t password = 0;
839 uint8_t cmdp = 0;
840 bool errors = false;
841 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
842 switch(param_getchar(Cmd, cmdp)) {
843 case 'h':
844 case 'H':
845 return usage_t55xx_wakup();
846 case 'p':
847 case 'P':
848 password = param_get32ex(Cmd, cmdp+1, 0, 16);
849 cmdp += 2;
850 errors = false;
851 break;
852 default:
853 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
854 errors = true;
855 break;
856 }
857 }
858 if (errors) return usage_t55xx_wakup();
859
860 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
861 clearCommandBuffer();
862 SendCommand(&c);
863 PrintAndLog("Wake up command sent. Try read now");
864 return 0;
865 }
866
867 int CmdT55xxWriteBlock(const char *Cmd) {
868 uint8_t block = 0xFF; //default to invalid block
869 uint32_t data = 0; //default to blank Block
870 uint32_t password = 0; //default to blank Block 7
871 bool usepwd = false;
872 bool page1 = false;
873 bool gotdata = false;
874 bool errors = false;
875 uint8_t cmdp = 0;
876 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
877 switch(param_getchar(Cmd, cmdp)) {
878 case 'h':
879 case 'H':
880 return usage_t55xx_write();
881 case 'b':
882 case 'B':
883 errors |= param_getdec(Cmd, cmdp+1, &block);
884 cmdp += 2;
885 break;
886 case 'd':
887 case 'D':
888 data = param_get32ex(Cmd, cmdp+1, 0, 16);
889 gotdata = true;
890 cmdp += 2;
891 break;
892 case 'p':
893 case 'P':
894 password = param_get32ex(Cmd, cmdp+1, 0, 16);
895 usepwd = true;
896 cmdp += 2;
897 break;
898 case '1':
899 page1 = true;
900 cmdp++;
901 break;
902 default:
903 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
904 errors = true;
905 break;
906 }
907 }
908 if (errors || !gotdata) return usage_t55xx_write();
909
910 if (block > 7) {
911 PrintAndLog("Block number must be between 0 and 7");
912 return 0;
913 }
914
915 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
916 UsbCommand resp;
917 c.d.asBytes[0] = (page1) ? 0x2 : 0;
918
919 char pwdStr[16] = {0};
920 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
921
922 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
923
924 //Password mode
925 if (usepwd) {
926 c.arg[2] = password;
927 c.d.asBytes[0] |= 0x1;
928 }
929 clearCommandBuffer();
930 SendCommand(&c);
931 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
932 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
933 return 0;
934 }
935 return 1;
936 }
937
938 int CmdT55xxReadTrace(const char *Cmd) {
939 char cmdp = param_getchar(Cmd, 0);
940 bool pwdmode = false;
941 uint32_t password = 0;
942 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();
943
944 if (strlen(Cmd)==0)
945 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
946 return 0;
947
948 if ( config.Q5 ){
949 if (!DecodeT5555TraceBlock()) return 0;
950 }
951 else {
952 if (!DecodeT55xxBlock()) return 0;
953 }
954
955 if ( !DemodBufferLen ) return 0;
956
957 RepaintGraphWindow();
958 uint8_t repeat = (config.offset > 5) ? 32 : 0;
959
960 uint8_t si = config.offset + repeat;
961 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
962 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
963
964 if (config.Q5) {
965 uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9;
966
967 if (hdr != 0x1FF) {
968 PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
969 return 0;
970 }
971
972 t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};
973
974 data.icr = PackBits(si, 2, DemodBuffer); si += 2;
975 data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3;
976
977 data.lotid = PackBits(si, 4, DemodBuffer); si += 5;
978 data.lotid <<= 4;
979 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
980 data.lotid <<= 4;
981 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
982 data.lotid <<= 4;
983 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
984 data.lotid <<= 1;
985 data.lotid |= PackBits(si, 1, DemodBuffer); si += 1;
986
987 data.wafer = PackBits(si, 3, DemodBuffer); si += 4;
988 data.wafer <<= 2;
989 data.wafer |= PackBits(si, 2, DemodBuffer); si += 2;
990
991 data.dw = PackBits(si, 2, DemodBuffer); si += 3;
992 data.dw <<= 4;
993 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
994 data.dw <<= 4;
995 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
996 data.dw <<= 4;
997 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
998
999 printT5555Trace(data, repeat);
1000
1001 } else {
1002
1003 t55xx_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .acl = 0, .mfc = 0, .cid = 0, .year = 0, .quarter = 0, .icr = 0, .lotid = 0, .wafer = 0, .dw = 0};
1004
1005 data.acl = PackBits(si, 8, DemodBuffer); si += 8;
1006 if ( data.acl != 0xE0 ) {
1007 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
1008 return 0;
1009 }
1010
1011 data.mfc = PackBits(si, 8, DemodBuffer); si += 8;
1012 data.cid = PackBits(si, 5, DemodBuffer); si += 5;
1013 data.icr = PackBits(si, 3, DemodBuffer); si += 3;
1014 data.year = PackBits(si, 4, DemodBuffer); si += 4;
1015 data.quarter = PackBits(si, 2, DemodBuffer); si += 2;
1016 data.lotid = PackBits(si, 14, DemodBuffer); si += 14;
1017 data.wafer = PackBits(si, 5, DemodBuffer); si += 5;
1018 data.dw = PackBits(si, 15, DemodBuffer);
1019
1020 time_t t = time(NULL);
1021 struct tm tm = *localtime(&t);
1022 if ( data.year > tm.tm_year-110)
1023 data.year += 2000;
1024 else
1025 data.year += 2010;
1026
1027
1028 printT55xxTrace(data, repeat);
1029 }
1030 return 0;
1031 }
1032
1033 void printT55xxTrace( t55xx_tracedata_t data, uint8_t repeat ){
1034 PrintAndLog("-- T55xx Trace Information ----------------------------------");
1035 PrintAndLog("-------------------------------------------------------------");
1036 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);
1037 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));
1038 PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid));
1039 PrintAndLog(" ICR IC Revision : %d", data.icr );
1040 PrintAndLog(" Manufactured");
1041 PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter);
1042 PrintAndLog(" Lot ID : %d", data.lotid );
1043 PrintAndLog(" Wafer number : %d", data.wafer);
1044 PrintAndLog(" Die Number : %d", data.dw);
1045 PrintAndLog("-------------------------------------------------------------");
1046 PrintAndLog(" Raw Data - Page 1");
1047 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1048 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1049 PrintAndLog("-------------------------------------------------------------");
1050
1051 /*
1052 TRACE - BLOCK O
1053 Bits Definition HEX
1054 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
1055 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
1056 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
1057 22-24 ICR IC revision
1058 25-28 YEAR (BCD encoded) 9 (= 2009)
1059 29-30 QUARTER 1,2,3,4
1060 31-32 LOT ID
1061
1062 TRACE - BLOCK 1
1063 1-12 LOT ID
1064 13-17 Wafer number
1065 18-32 DW, die number sequential
1066 */
1067 }
1068 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){
1069 PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");
1070 PrintAndLog("-------------------------------------------------------------");
1071 PrintAndLog(" ICR IC Revision : %d", data.icr );
1072 PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid);
1073 PrintAndLog(" Wafer number : %d", data.wafer);
1074 PrintAndLog(" Die Number : %d", data.dw);
1075 PrintAndLog("-------------------------------------------------------------");
1076 PrintAndLog(" Raw Data - Page 1");
1077 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1078 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1079
1080 /*
1081 ** Q5 **
1082 TRACE - BLOCK O and BLOCK1
1083 Bits Definition HEX
1084 1-9 Header 0x1FF
1085 10-11 IC Revision
1086 12-13 Lot ID char
1087 15-35 Lot ID (NB parity)
1088 36-41 Wafer number (NB parity)
1089 42-58 DW, die number sequential (NB parity)
1090 60-63 Parity bits
1091 64 Always zero
1092 */
1093 }
1094
1095 int CmdT55xxInfo(const char *Cmd){
1096 /*
1097 Page 0 Block 0 Configuration data.
1098 Normal mode
1099 Extended mode
1100 */
1101 bool pwdmode = false;
1102 uint32_t password = 0;
1103 char cmdp = param_getchar(Cmd, 0);
1104
1105 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info();
1106
1107 if (strlen(Cmd)==0)
1108 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1109 return 1;
1110
1111 if (!DecodeT55xxBlock()) return 1;
1112
1113 // too little space to start with
1114 if ( DemodBufferLen < 32) return 1;
1115
1116 //
1117 PrintAndLog("Offset+32 ==%d\n DemodLen == %d", config.offset + 32,DemodBufferLen );
1118
1119 uint8_t si = config.offset;
1120 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1121 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1122 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1123 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1124 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1125 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1126 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1127 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1128 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1129 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1130 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1131 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1132 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1133 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1134 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1135
1136 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1137 PrintAndLog("");
1138 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
1139 PrintAndLog("-------------------------------------------------------------");
1140 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1141 PrintAndLog(" reserved : %d", resv);
1142 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1143 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1144 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1145 PrintAndLog(" PSK clock frequency : %d", pskcf);
1146 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1147 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1148 PrintAndLog(" Max block : %d", maxblk);
1149 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1150 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1151 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1152 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1153 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1154 PrintAndLog("-------------------------------------------------------------");
1155 PrintAndLog(" Raw Data - Page 0");
1156 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1157 PrintAndLog("-------------------------------------------------------------");
1158
1159 return 0;
1160 }
1161
1162 int CmdT55xxDump(const char *Cmd){
1163
1164 uint32_t password = 0;
1165 bool override = false;
1166 char cmdp = param_getchar(Cmd, 0);
1167 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1168
1169 bool usepwd = ( strlen(Cmd) > 0);
1170 if ( usepwd ){
1171 password = param_get32ex(Cmd, 0, 0, 16);
1172 if (param_getchar(Cmd, 1) =='o' )
1173 override = true;
1174 }
1175
1176 printT5xxHeader(0);
1177 for ( uint8_t i = 0; i < 8; ++i)
1178 T55xxReadBlock(i, 0, usepwd, override, password);
1179
1180 printT5xxHeader(1);
1181 for ( uint8_t i = 0; i < 4; i++)
1182 T55xxReadBlock(i, 1, usepwd, override, password);
1183
1184 return 1;
1185 }
1186
1187 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1188 // arg0 bitmodes:
1189 // bit0 = pwdmode
1190 // bit1 = page to read from
1191 uint8_t arg0 = (page<<1) | pwdmode;
1192 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1193
1194 clearCommandBuffer();
1195 SendCommand(&c);
1196 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1197 PrintAndLog("command execution time out");
1198 return 0;
1199 }
1200
1201 uint8_t got[12000];
1202 GetFromBigBuf(got,sizeof(got),0);
1203 WaitForResponse(CMD_ACK,NULL);
1204 setGraphBuf(got, sizeof(got));
1205 return 1;
1206 }
1207
1208 char * GetBitRateStr(uint32_t id){
1209 static char buf[25];
1210
1211 char *retStr = buf;
1212 switch (id){
1213 case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
1214 case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
1215 case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
1216 case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
1217 case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
1218 case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
1219 case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
1220 case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
1221 default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
1222 }
1223 return buf;
1224 }
1225
1226 char * GetSaferStr(uint32_t id){
1227 static char buf[40];
1228 char *retStr = buf;
1229
1230 snprintf(retStr,sizeof(buf),"%d",id);
1231 if (id == 6) {
1232 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1233 }
1234 if (id == 9 ){
1235 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1236 }
1237
1238 return buf;
1239 }
1240
1241 char * GetModulationStr( uint32_t id){
1242 static char buf[60];
1243 char *retStr = buf;
1244
1245 switch (id){
1246 case 0: snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break;
1247 case 1: snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break;
1248 case 2: snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break;
1249 case 3: snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break;
1250 case 4: snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break;
1251 case 5: snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break;
1252 case 6: snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break;
1253 case 7: snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break;
1254 case 8: snprintf(retStr,sizeof(buf),"%d - Manchester",id); break;
1255 case 16: snprintf(retStr,sizeof(buf),"%d - Biphase",id); break;
1256 case 0x18:snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break;
1257 case 17: snprintf(retStr,sizeof(buf),"%d - Reserved",id); break;
1258 default: snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); break;
1259 }
1260 return buf;
1261 }
1262
1263 char * GetModelStrFromCID(uint32_t cid){
1264
1265 static char buf[10];
1266 char *retStr = buf;
1267
1268 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1269 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1270 return buf;
1271 }
1272
1273 char * GetSelectedModulationStr( uint8_t id){
1274
1275 static char buf[20];
1276 char *retStr = buf;
1277
1278 switch (id){
1279 case DEMOD_FSK: snprintf(retStr,sizeof(buf),"FSK"); break;
1280 case DEMOD_FSK1: snprintf(retStr,sizeof(buf),"FSK1"); break;
1281 case DEMOD_FSK1a: snprintf(retStr,sizeof(buf),"FSK1a"); break;
1282 case DEMOD_FSK2: snprintf(retStr,sizeof(buf),"FSK2"); break;
1283 case DEMOD_FSK2a: snprintf(retStr,sizeof(buf),"FSK2a"); break;
1284 case DEMOD_ASK: snprintf(retStr,sizeof(buf),"ASK"); break;
1285 case DEMOD_NRZ: snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); break;
1286 case DEMOD_PSK1: snprintf(retStr,sizeof(buf),"PSK1"); break;
1287 case DEMOD_PSK2: snprintf(retStr,sizeof(buf),"PSK2"); break;
1288 case DEMOD_PSK3: snprintf(retStr,sizeof(buf),"PSK3"); break;
1289 case DEMOD_BI: snprintf(retStr,sizeof(buf),"BIPHASE"); break;
1290 case DEMOD_BIa: snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); break;
1291 default: snprintf(retStr,sizeof(buf),"(Unknown)"); break;
1292 }
1293 return buf;
1294 }
1295
1296 void t55x7_create_config_block( int tagtype ){
1297
1298 /*
1299 T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK
1300 T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK,
1301 T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK
1302 T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK
1303 */
1304 static char buf[60];
1305 char *retStr = buf;
1306
1307 switch (tagtype){
1308 case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;
1309 case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;
1310 //case 2: snprintf(retStr, sizeof(buf),"%08X - Q5 Default", Q5_DEFAULT_CONFIG_BLOCK); break;
1311 default:
1312 break;
1313 }
1314 PrintAndLog(buf);
1315 }
1316
1317 int CmdResetRead(const char *Cmd) {
1318 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1319
1320 clearCommandBuffer();
1321 SendCommand(&c);
1322 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1323 PrintAndLog("command execution time out");
1324 return 0;
1325 }
1326
1327 uint8_t got[BIGBUF_SIZE-1];
1328 GetFromBigBuf(got,sizeof(got),0);
1329 WaitForResponse(CMD_ACK,NULL);
1330 setGraphBuf(got, sizeof(got));
1331 return 1;
1332 }
1333 // ADD T5555 (Q5) Default config block
1334 int CmdT55xxWipe(const char *Cmd) {
1335 char writeData[20] = {0};
1336 char *ptrData = writeData;
1337
1338 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1339
1340 //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)
1341 snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");
1342
1343 if (!CmdT55xxWriteBlock(ptrData))
1344 PrintAndLog("Error writing blk 0");
1345
1346 for (uint8_t blk = 1; blk<8; blk++) {
1347
1348 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1349
1350 if (!CmdT55xxWriteBlock(ptrData))
1351 PrintAndLog("Error writing blk %d", blk);
1352
1353 memset(writeData,0x00, sizeof(writeData));
1354 }
1355 return 0;
1356 }
1357
1358 int CmdT55xxBruteForce(const char *Cmd) {
1359
1360 // load a default pwd file.
1361 char buf[9];
1362 char filename[FILE_PATH_SIZE]={0};
1363 int keycnt = 0;
1364 uint8_t stKeyBlock = 20;
1365 uint8_t *keyBlock = NULL, *p;
1366 keyBlock = calloc(stKeyBlock, 6);
1367 if (keyBlock == NULL) return 1;
1368
1369 uint32_t start_password = 0x00000000; //start password
1370 uint32_t end_password = 0xFFFFFFFF; //end password
1371 bool found = false;
1372
1373 char cmdp = param_getchar(Cmd, 0);
1374 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1375
1376 if (cmdp == 'i' || cmdp == 'I') {
1377
1378 int len = strlen(Cmd+2);
1379 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1380 memcpy(filename, Cmd+2, len);
1381
1382 FILE * f = fopen( filename , "r");
1383
1384 if ( !f ) {
1385 PrintAndLog("File: %s: not found or locked.", filename);
1386 free(keyBlock);
1387 return 1;
1388 }
1389
1390 while( fgets(buf, sizeof(buf), f) ){
1391 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1392
1393 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1394
1395 //The line start with # is comment, skip
1396 if( buf[0]=='#' ) continue;
1397
1398 if (!isxdigit(buf[0])){
1399 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1400 continue;
1401 }
1402
1403 buf[8] = 0;
1404
1405 if ( stKeyBlock - keycnt < 2) {
1406 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1407 if (!p) {
1408 PrintAndLog("Cannot allocate memory for defaultKeys");
1409 free(keyBlock);
1410 return 2;
1411 }
1412 keyBlock = p;
1413 }
1414 memset(keyBlock + 4 * keycnt, 0, 4);
1415 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1416 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1417 keycnt++;
1418 memset(buf, 0, sizeof(buf));
1419 }
1420 fclose(f);
1421
1422 if (keycnt == 0) {
1423 PrintAndLog("No keys found in file");
1424 return 1;
1425 }
1426 PrintAndLog("Loaded %d keys", keycnt);
1427
1428 // loop
1429 uint64_t testpwd = 0x00;
1430 for (uint16_t c = 0; c < keycnt; ++c ) {
1431
1432 if (ukbhit()) {
1433 getchar();
1434 printf("\naborted via keyboard!\n");
1435 return 0;
1436 }
1437
1438 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1439
1440 PrintAndLog("Testing %08X", testpwd);
1441
1442
1443 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1444 PrintAndLog("Aquireing data from device failed. Quitting");
1445 return 0;
1446 }
1447
1448 found = tryDetectModulation();
1449
1450 if ( found ) {
1451 PrintAndLog("Found valid password: [%08X]", testpwd);
1452 return 0;
1453 }
1454 }
1455 PrintAndLog("Password NOT found.");
1456 return 0;
1457 }
1458
1459 // Try to read Block 7, first :)
1460
1461 // incremental pwd range search
1462 start_password = param_get32ex(Cmd, 0, 0, 16);
1463 end_password = param_get32ex(Cmd, 1, 0, 16);
1464
1465 if ( start_password >= end_password ) return usage_t55xx_bruteforce();
1466
1467 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1468
1469 uint32_t i = start_password;
1470
1471 while ((!found) && (i <= end_password)){
1472
1473 printf(".");
1474 fflush(stdout);
1475 if (ukbhit()) {
1476 getchar();
1477 printf("\naborted via keyboard!\n");
1478 return 0;
1479 }
1480
1481 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1482 PrintAndLog("Aquireing data from device failed. Quitting");
1483 return 0;
1484 }
1485 found = tryDetectModulation();
1486
1487 if (found) break;
1488 i++;
1489 }
1490
1491 PrintAndLog("");
1492
1493 if (found)
1494 PrintAndLog("Found valid password: [%08x]", i);
1495 else
1496 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1497 return 0;
1498 }
1499
1500 static command_t CommandTable[] = {
1501 {"help", CmdHelp, 1, "This help"},
1502 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1503 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1504 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1505 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1506 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1507 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1508 {"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)"},
1509 {"special", special, 0, "Show block changes with 64 different offsets"},
1510 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1511 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1512 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1513 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1514 {NULL, NULL, 0, NULL}
1515 };
1516
1517 int CmdLFT55XX(const char *Cmd) {
1518 CmdsParse(CommandTable, Cmd);
1519 return 0;
1520 }
1521
1522 int CmdHelp(const char *Cmd) {
1523 CmdsHelp(CommandTable);
1524 return 0;
1525 }
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