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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 "proxmark3.h"
14 #include "ui.h"
15 #include "graph.h"
16 #include "cmdmain.h"
17 #include "cmdparser.h"
18 #include "cmddata.h"
19 #include "cmdlf.h"
20 #include "cmdlft55xx.h"
21 #include "util.h"
22 #include "data.h"
23 #include "lfdemod.h"
24 #include "cmdhf14a.h" //for getTagInfo
25
26 #define T55x7_CONFIGURATION_BLOCK 0x00
27 #define T55x7_PAGE0 0x00
28 #define T55x7_PAGE1 0x01
29 //#define T55x7_PWD 0x00000010
30 #define REGULAR_READ_MODE_BLOCK 0xFF
31
32 // Default configuration
33 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00, .Q5 = FALSE };
34
35 t55xx_conf_block_t Get_t55xx_Config(){
36 return config;
37 }
38 void Set_t55xx_Config(t55xx_conf_block_t conf){
39 config = conf;
40 }
41
42 int usage_t55xx_config(){
43 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
44 PrintAndLog("Options:");
45 PrintAndLog(" h This help");
46 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
47 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
48 PrintAndLog(" i [1] Invert data signal, defaults to normal");
49 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
50 PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
51 PrintAndLog(" ST Set Sequence Terminator on");
52 PrintAndLog("");
53 PrintAndLog("Examples:");
54 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
55 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
56 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
57 PrintAndLog("");
58 return 0;
59 }
60 int usage_t55xx_read(){
61 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
62 PrintAndLog("Options:");
63 PrintAndLog(" b <block> - block number to read. Between 0-7");
64 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
65 PrintAndLog(" o - OPTIONAL override safety check");
66 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
67 PrintAndLog(" ****WARNING****");
68 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
69 PrintAndLog(" can damage the tag");
70 PrintAndLog("");
71 PrintAndLog("Examples:");
72 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
73 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
74 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
75 PrintAndLog("");
76 return 0;
77 }
78 int usage_t55xx_write(){
79 PrintAndLog("Usage: lf t55xx write [b <block>] [d <data>] [p <password>] [1]");
80 PrintAndLog("Options:");
81 PrintAndLog(" b <block> - block number to write. Between 0-7");
82 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
83 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
84 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
85 PrintAndLog("");
86 PrintAndLog("Examples:");
87 PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");
88 PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
89 PrintAndLog("");
90 return 0;
91 }
92 int usage_t55xx_trace() {
93 PrintAndLog("Usage: lf t55xx trace [1]");
94 PrintAndLog("Options:");
95 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
96 PrintAndLog("");
97 PrintAndLog("Examples:");
98 PrintAndLog(" lf t55xx trace");
99 PrintAndLog(" lf t55xx trace 1");
100 PrintAndLog("");
101 return 0;
102 }
103 int usage_t55xx_info() {
104 PrintAndLog("Usage: lf t55xx info [1]");
105 PrintAndLog("Options:");
106 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
107 PrintAndLog("");
108 PrintAndLog("Examples:");
109 PrintAndLog(" lf t55xx info");
110 PrintAndLog(" lf t55xx info 1");
111 PrintAndLog("");
112 return 0;
113 }
114 int usage_t55xx_dump(){
115 PrintAndLog("Usage: lf t55xx dump <password> [o]");
116 PrintAndLog("Options:");
117 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
118 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
119 PrintAndLog("");
120 PrintAndLog("Examples:");
121 PrintAndLog(" lf t55xx dump");
122 PrintAndLog(" lf t55xx dump feedbeef o");
123 PrintAndLog("");
124 return 0;
125 }
126 int usage_t55xx_detect(){
127 PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
128 PrintAndLog("Options:");
129 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
130 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
131 PrintAndLog("");
132 PrintAndLog("Examples:");
133 PrintAndLog(" lf t55xx detect");
134 PrintAndLog(" lf t55xx detect 1");
135 PrintAndLog(" lf t55xx detect p 11223344");
136 PrintAndLog("");
137 return 0;
138 }
139 int usage_t55xx_wakup(){
140 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
141 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
142 PrintAndLog("Options:");
143 PrintAndLog(" h - this help");
144 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
145 PrintAndLog("");
146 PrintAndLog("Examples:");
147 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
148 return 0;
149 }
150 int usage_t55xx_bruteforce(){
151 PrintAndLog("This command uses A) bruteforce to scan a number range");
152 PrintAndLog(" B) a dictionary attack");
153 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
154 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
155 PrintAndLog("Options:");
156 PrintAndLog(" h - this help");
157 PrintAndLog(" <start_pwd> - 4 byte hex value to start pwd search at");
158 PrintAndLog(" <end_pwd> - 4 byte hex value to end pwd search at");
159 PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");
160 PrintAndLog("");
161 PrintAndLog("Examples:");
162 PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");
163 PrintAndLog(" lf t55xx bruteforce i default_pwd.dic");
164 PrintAndLog("");
165 return 0;
166 }
167 int usage_t55xx_wipe(){
168 PrintAndLog("Usage: lf t55xx wipe [h] [Q5]");
169 PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block");
170 PrintAndLog("Options:");
171 PrintAndLog(" h - this help");
172 PrintAndLog(" Q5 - indicates to use the T5555 (Q5) default configuration block");
173 PrintAndLog("");
174 PrintAndLog("Examples:");
175 PrintAndLog(" lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0");
176 PrintAndLog(" lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004");
177 return 0;
178 }
179
180
181 static int CmdHelp(const char *Cmd);
182
183 void printT5xxHeader(uint8_t page){
184 PrintAndLog("Reading Page %d:", page);
185 PrintAndLog("blk | hex data | binary");
186 PrintAndLog("----+----------+---------------------------------");
187 }
188
189 int CmdT55xxSetConfig(const char *Cmd) {
190
191 uint8_t offset = 0;
192 char modulation[5] = {0x00};
193 char tmp = 0x00;
194 uint8_t bitRate = 0;
195 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
196 uint8_t cmdp = 0;
197 bool errors = FALSE;
198 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
199 {
200 tmp = param_getchar(Cmd, cmdp);
201 switch(tmp)
202 {
203 case 'h':
204 case 'H':
205 return usage_t55xx_config();
206 case 'b':
207 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
208 if ( !errors){
209 uint8_t i = 0;
210 for (; i < 9; i++){
211 if (rates[i]==bitRate) {
212 config.bitrate = i;
213 break;
214 }
215 }
216 if (i==9) errors = TRUE;
217 }
218 cmdp+=2;
219 break;
220 case 'd':
221 param_getstr(Cmd, cmdp+1, modulation);
222 cmdp += 2;
223
224 if ( strcmp(modulation, "FSK" ) == 0) {
225 config.modulation = DEMOD_FSK;
226 } else if ( strcmp(modulation, "FSK1" ) == 0) {
227 config.modulation = DEMOD_FSK1;
228 config.inverted=1;
229 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
230 config.modulation = DEMOD_FSK1a;
231 config.inverted=0;
232 } else if ( strcmp(modulation, "FSK2" ) == 0) {
233 config.modulation = DEMOD_FSK2;
234 config.inverted=0;
235 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
236 config.modulation = DEMOD_FSK2a;
237 config.inverted=1;
238 } else if ( strcmp(modulation, "ASK" ) == 0) {
239 config.modulation = DEMOD_ASK;
240 } else if ( strcmp(modulation, "NRZ" ) == 0) {
241 config.modulation = DEMOD_NRZ;
242 } else if ( strcmp(modulation, "PSK1" ) == 0) {
243 config.modulation = DEMOD_PSK1;
244 } else if ( strcmp(modulation, "PSK2" ) == 0) {
245 config.modulation = DEMOD_PSK2;
246 } else if ( strcmp(modulation, "PSK3" ) == 0) {
247 config.modulation = DEMOD_PSK3;
248 } else if ( strcmp(modulation, "BIa" ) == 0) {
249 config.modulation = DEMOD_BIa;
250 config.inverted=1;
251 } else if ( strcmp(modulation, "BI" ) == 0) {
252 config.modulation = DEMOD_BI;
253 config.inverted=0;
254 } else {
255 PrintAndLog("Unknown modulation '%s'", modulation);
256 errors = TRUE;
257 }
258 break;
259 case 'i':
260 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
261 cmdp+=2;
262 break;
263 case 'o':
264 errors |= param_getdec(Cmd, cmdp+1, &offset);
265 if ( !errors )
266 config.offset = offset;
267 cmdp+=2;
268 break;
269 case 'Q':
270 case 'q':
271 config.Q5 = TRUE;
272 cmdp++;
273 break;
274 case 'S':
275 case 's':
276 config.ST = TRUE;
277 cmdp++;
278 break;
279 default:
280 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
281 errors = TRUE;
282 break;
283 }
284 }
285
286 // No args
287 if (cmdp == 0) return printConfiguration( config );
288
289 //Validations
290 if (errors) return usage_t55xx_config();
291
292 config.block0 = 0;
293 return printConfiguration ( config );
294 }
295
296 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
297 //Password mode
298 if ( usepwd ) {
299 // try reading the config block and verify that PWD bit is set before doing this!
300 if ( !override ) {
301 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
302 if ( !tryDetectModulation() ) {
303 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
304 return 0;
305 } else {
306 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
307 usepwd = false;
308 page1 = false;
309 }
310 } else {
311 PrintAndLog("Safety Check Overriden - proceeding despite risk");
312 }
313 }
314
315 if (!AquireData(page1, block, usepwd, password) ) return 0;
316 if (!DecodeT55xxBlock()) return 0;
317
318 char blk[10]={0};
319 sprintf(blk,"%d", block);
320 printT55xxBlock(blk);
321 return 1;
322 }
323
324 int CmdT55xxReadBlock(const char *Cmd) {
325 uint8_t block = REGULAR_READ_MODE_BLOCK;
326 uint32_t password = 0; //default to blank Block 7
327 bool usepwd = false;
328 bool override = false;
329 bool page1 = false;
330 bool errors = false;
331 uint8_t cmdp = 0;
332 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
333 switch(param_getchar(Cmd, cmdp)) {
334 case 'h':
335 case 'H':
336 return usage_t55xx_read();
337 case 'b':
338 case 'B':
339 errors |= param_getdec(Cmd, cmdp+1, &block);
340 cmdp += 2;
341 break;
342 case 'o':
343 case 'O':
344 override = true;
345 cmdp++;
346 break;
347 case 'p':
348 case 'P':
349 password = param_get32ex(Cmd, cmdp+1, 0, 16);
350 usepwd = true;
351 cmdp += 2;
352 break;
353 case '1':
354 page1 = true;
355 cmdp++;
356 break;
357 default:
358 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
359 errors = true;
360 break;
361 }
362 }
363 if (errors) return usage_t55xx_read();
364
365 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
366 PrintAndLog("Block must be between 0 and 7");
367 return 0;
368 }
369
370 printT5xxHeader(page1);
371 return T55xxReadBlock(block, page1, usepwd, override, password);
372 }
373
374 bool DecodeT55xxBlock(){
375
376 char buf[30] = {0x00};
377 char *cmdStr = buf;
378 int ans = 0;
379 bool ST = config.ST;
380 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
381 DemodBufferLen = 0x00;
382
383 switch( config.modulation ){
384 case DEMOD_FSK:
385 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
386 ans = FSKrawDemod(cmdStr, FALSE);
387 break;
388 case DEMOD_FSK1:
389 case DEMOD_FSK1a:
390 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
391 ans = FSKrawDemod(cmdStr, FALSE);
392 break;
393 case DEMOD_FSK2:
394 case DEMOD_FSK2a:
395 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
396 ans = FSKrawDemod(cmdStr, FALSE);
397 break;
398 case DEMOD_ASK:
399 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
400 ans = ASKDemod_ext(cmdStr, FALSE, FALSE, 1, &ST);
401 break;
402 case DEMOD_PSK1:
403 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
404 save_restoreGB(1);
405 CmdLtrim("160");
406 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
407 ans = PSKDemod(cmdStr, FALSE);
408 //undo trim samples
409 save_restoreGB(0);
410 break;
411 case DEMOD_PSK2: //inverted won't affect this
412 case DEMOD_PSK3: //not fully implemented
413 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
414 save_restoreGB(1);
415 CmdLtrim("160");
416 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
417 ans = PSKDemod(cmdStr, FALSE);
418 psk1TOpsk2(DemodBuffer, DemodBufferLen);
419 //undo trim samples
420 save_restoreGB(0);
421 break;
422 case DEMOD_NRZ:
423 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
424 ans = NRZrawDemod(cmdStr, FALSE);
425 break;
426 case DEMOD_BI:
427 case DEMOD_BIa:
428 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
429 ans = ASKbiphaseDemod(cmdStr, FALSE);
430 break;
431 default:
432 return FALSE;
433 }
434 return (bool) ans;
435 }
436
437 bool DecodeT5555TraceBlock() {
438 DemodBufferLen = 0x00;
439
440 // According to datasheet. Always: RF/64, not inverted, Manchester
441 return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1);
442 }
443
444 int CmdT55xxDetect(const char *Cmd){
445 bool errors = FALSE;
446 bool useGB = FALSE;
447 bool usepwd = FALSE;
448 uint32_t password = 0;
449 uint8_t cmdp = 0;
450
451 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
452 switch(param_getchar(Cmd, cmdp)) {
453 case 'h':
454 case 'H':
455 return usage_t55xx_detect();
456 case 'p':
457 case 'P':
458 password = param_get32ex(Cmd, cmdp+1, 0, 16);
459 usepwd = TRUE;
460 cmdp += 2;
461 break;
462 case '1':
463 // use Graphbuffer data
464 useGB = TRUE;
465 cmdp++;
466 break;
467 default:
468 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
469 errors = true;
470 break;
471 }
472 }
473 if (errors) return usage_t55xx_detect();
474
475 if ( !useGB) {
476 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
477 return 0;
478 }
479
480 if ( !tryDetectModulation() )
481 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
482
483 return 1;
484 }
485
486 // detect configuration?
487 bool tryDetectModulation(){
488 uint8_t hits = 0;
489 t55xx_conf_block_t tests[15];
490 int bitRate=0;
491 uint8_t fc1 = 0, fc2 = 0, clk=0;
492 if (GetFskClock("", FALSE, FALSE)){
493 fskClocks(&fc1, &fc2, &clk, FALSE);
494 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
495 tests[hits].modulation = DEMOD_FSK;
496 if (fc1==8 && fc2 == 5)
497 tests[hits].modulation = DEMOD_FSK1a;
498 else if (fc1==10 && fc2 == 8)
499 tests[hits].modulation = DEMOD_FSK2;
500 tests[hits].bitrate = bitRate;
501 tests[hits].inverted = FALSE;
502 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
503 tests[hits].ST = FALSE;
504 ++hits;
505 }
506 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
507 tests[hits].modulation = DEMOD_FSK;
508 if (fc1 == 8 && fc2 == 5)
509 tests[hits].modulation = DEMOD_FSK1;
510 else if (fc1 == 10 && fc2 == 8)
511 tests[hits].modulation = DEMOD_FSK2a;
512 tests[hits].bitrate = bitRate;
513 tests[hits].inverted = TRUE;
514 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
515 tests[hits].ST = FALSE;
516 ++hits;
517 }
518 } else {
519 clk = GetAskClock("", FALSE, FALSE);
520 if (clk>0) {
521 tests[hits].ST = TRUE;
522 if ( ASKDemod_ext("0 0 1", FALSE, FALSE, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
523 tests[hits].modulation = DEMOD_ASK;
524 tests[hits].bitrate = bitRate;
525 tests[hits].inverted = FALSE;
526 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
527 ++hits;
528 }
529 tests[hits].ST = TRUE;
530 if ( ASKDemod_ext("0 1 1", FALSE, FALSE, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
531 tests[hits].modulation = DEMOD_ASK;
532 tests[hits].bitrate = bitRate;
533 tests[hits].inverted = TRUE;
534 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
535 ++hits;
536 }
537 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
538 tests[hits].modulation = DEMOD_BI;
539 tests[hits].bitrate = bitRate;
540 tests[hits].inverted = FALSE;
541 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
542 tests[hits].ST = FALSE;
543 ++hits;
544 }
545 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
546 tests[hits].modulation = DEMOD_BIa;
547 tests[hits].bitrate = bitRate;
548 tests[hits].inverted = TRUE;
549 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
550 tests[hits].ST = FALSE;
551 ++hits;
552 }
553 }
554 //undo trim from ask
555 //save_restoreGB(0);
556 clk = GetNrzClock("", FALSE, FALSE);
557 if (clk>0) {
558 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
559 tests[hits].modulation = DEMOD_NRZ;
560 tests[hits].bitrate = bitRate;
561 tests[hits].inverted = FALSE;
562 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
563 tests[hits].ST = FALSE;
564 ++hits;
565 }
566
567 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
568 tests[hits].modulation = DEMOD_NRZ;
569 tests[hits].bitrate = bitRate;
570 tests[hits].inverted = TRUE;
571 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
572 tests[hits].ST = FALSE;
573 ++hits;
574 }
575 }
576
577 // allow undo
578 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
579 save_restoreGB(1);
580 CmdLtrim("160");
581 clk = GetPskClock("", FALSE, FALSE);
582 if (clk>0) {
583 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
584 tests[hits].modulation = DEMOD_PSK1;
585 tests[hits].bitrate = bitRate;
586 tests[hits].inverted = FALSE;
587 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
588 tests[hits].ST = FALSE;
589 ++hits;
590 }
591 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
592 tests[hits].modulation = DEMOD_PSK1;
593 tests[hits].bitrate = bitRate;
594 tests[hits].inverted = TRUE;
595 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
596 tests[hits].ST = FALSE;
597 ++hits;
598 }
599 // PSK2 - needs a call to psk1TOpsk2.
600 if ( PSKDemod("0 0 6", FALSE)) {
601 psk1TOpsk2(DemodBuffer, DemodBufferLen);
602 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
603 tests[hits].modulation = DEMOD_PSK2;
604 tests[hits].bitrate = bitRate;
605 tests[hits].inverted = FALSE;
606 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
607 tests[hits].ST = FALSE;
608 ++hits;
609 }
610 } // inverse waves does not affect this demod
611 // PSK3 - needs a call to psk1TOpsk2.
612 if ( PSKDemod("0 0 6", FALSE)) {
613 psk1TOpsk2(DemodBuffer, DemodBufferLen);
614 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
615 tests[hits].modulation = DEMOD_PSK3;
616 tests[hits].bitrate = bitRate;
617 tests[hits].inverted = FALSE;
618 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
619 tests[hits].ST = FALSE;
620 ++hits;
621 }
622 } // inverse waves does not affect this demod
623 }
624 //undo trim samples
625 save_restoreGB(0);
626 }
627 if ( hits == 1) {
628 config.modulation = tests[0].modulation;
629 config.bitrate = tests[0].bitrate;
630 config.inverted = tests[0].inverted;
631 config.offset = tests[0].offset;
632 config.block0 = tests[0].block0;
633 config.Q5 = tests[0].Q5;
634 config.ST = tests[0].ST;
635 printConfiguration( config );
636 return TRUE;
637 }
638
639 if ( hits > 1) {
640 PrintAndLog("Found [%d] possible matches for modulation.",hits);
641 for(int i=0; i<hits; ++i){
642 PrintAndLog("--[%d]---------------", i+1);
643 printConfiguration( tests[i] );
644 }
645 }
646 return FALSE;
647 }
648
649 bool testModulation(uint8_t mode, uint8_t modread){
650 switch( mode ){
651 case DEMOD_FSK:
652 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
653 break;
654 case DEMOD_ASK:
655 if (modread == DEMOD_ASK) return TRUE;
656 break;
657 case DEMOD_PSK1:
658 if (modread == DEMOD_PSK1) return TRUE;
659 break;
660 case DEMOD_PSK2:
661 if (modread == DEMOD_PSK2) return TRUE;
662 break;
663 case DEMOD_PSK3:
664 if (modread == DEMOD_PSK3) return TRUE;
665 break;
666 case DEMOD_NRZ:
667 if (modread == DEMOD_NRZ) return TRUE;
668 break;
669 case DEMOD_BI:
670 if (modread == DEMOD_BI) return TRUE;
671 break;
672 case DEMOD_BIa:
673 if (modread == DEMOD_BIa) return TRUE;
674 break;
675 default:
676 return FALSE;
677 }
678 return FALSE;
679 }
680
681 bool testQ5Modulation(uint8_t mode, uint8_t modread){
682 switch( mode ){
683 case DEMOD_FSK:
684 if (modread >= 4 && modread <= 5) return TRUE;
685 break;
686 case DEMOD_ASK:
687 if (modread == 0) return TRUE;
688 break;
689 case DEMOD_PSK1:
690 if (modread == 1) return TRUE;
691 break;
692 case DEMOD_PSK2:
693 if (modread == 2) return TRUE;
694 break;
695 case DEMOD_PSK3:
696 if (modread == 3) return TRUE;
697 break;
698 case DEMOD_NRZ:
699 if (modread == 7) return TRUE;
700 break;
701 case DEMOD_BI:
702 if (modread == 6) return TRUE;
703 break;
704 default:
705 return FALSE;
706 }
707 return FALSE;
708 }
709
710 int convertQ5bitRate(uint8_t bitRateRead) {
711 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
712 for (int i=0; i<8; i++)
713 if (expected[i] == bitRateRead)
714 return i;
715
716 return -1;
717 }
718
719 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
720
721 if ( DemodBufferLen < 64 ) return FALSE;
722 uint8_t si = 0;
723 for (uint8_t idx = 28; idx < 64; idx++){
724 si = idx;
725 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
726
727 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
728 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
729 // 2nibble must be zeroed.
730 if (safer != 0x6 && safer != 0x9) continue;
731 if ( resv > 0x00) continue;
732 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
733 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
734 si += 1+1;
735 int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate
736 if (bitRate > 128 || bitRate < 8) continue;
737
738 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
739 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
740 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
741 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
742 si += 1+1+2+1;
743 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
744 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
745 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
746 if (maxBlk == 0) continue;
747 //test modulation
748 if (!testQ5Modulation(mode, modread)) continue;
749 if (bitRate != clk) continue;
750 *fndBitRate = convertQ5bitRate(bitRate);
751 if (*fndBitRate < 0) continue;
752 *offset = idx;
753
754 return TRUE;
755 }
756 return FALSE;
757 }
758
759 bool testBitRate(uint8_t readRate, uint8_t clk){
760 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
761 if (expected[readRate] == clk)
762 return true;
763
764 return false;
765 }
766
767 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
768
769 if ( DemodBufferLen < 64 ) return FALSE;
770 uint8_t si = 0;
771 for (uint8_t idx = 28; idx < 64; idx++){
772 si = idx;
773 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
774
775 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
776 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
777 // 2nibble must be zeroed.
778 // moved test to here, since this gets most faults first.
779 if ( resv > 0x00) continue;
780
781 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
782 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
783 if (bitRate > 7) continue;
784 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
785 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
786 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
787 //uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
788 //uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
789
790 //if extended mode
791 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
792
793 if (!extMode){
794 if (xtRate) continue; //nml01 || nml02 || caused issues on noralys tags
795 }
796 //test modulation
797 if (!testModulation(mode, modread)) continue;
798 if (!testBitRate(bitRate, clk)) continue;
799 *fndBitRate = bitRate;
800 *offset = idx;
801 *Q5 = FALSE;
802 return TRUE;
803 }
804 if (testQ5(mode, offset, fndBitRate, clk)) {
805 *Q5 = TRUE;
806 return TRUE;
807 }
808 return FALSE;
809 }
810
811 void printT55xxBlock(const char *blockNum){
812
813 uint8_t i = config.offset;
814 uint8_t endpos = 32 + i;
815 uint32_t blockData = 0;
816 uint8_t bits[64] = {0x00};
817
818 if ( !DemodBufferLen) return;
819
820 if ( endpos > DemodBufferLen){
821 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
822 return;
823 }
824
825 for (; i < endpos; ++i)
826 bits[i - config.offset]=DemodBuffer[i];
827
828 blockData = PackBits(0, 32, bits);
829
830 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
831 }
832
833 int special(const char *Cmd) {
834 uint32_t blockData = 0;
835 uint8_t bits[32] = {0x00};
836
837 PrintAndLog("OFFSET | DATA | BINARY");
838 PrintAndLog("----------------------------------------------------");
839 int i,j = 0;
840 for (; j < 64; ++j){
841
842 for (i = 0; i < 32; ++i)
843 bits[i]=DemodBuffer[j+i];
844
845 blockData = PackBits(0, 32, bits);
846
847 PrintAndLog(" %02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
848 }
849 return 0;
850 }
851
852 int printConfiguration( t55xx_conf_block_t b){
853 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
854 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
855 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
856 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
857 PrintAndLog("Offset : %d", b.offset);
858 PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" );
859 PrintAndLog("Block0 : 0x%08X", b.block0);
860 PrintAndLog("");
861 return 0;
862 }
863
864 int CmdT55xxWakeUp(const char *Cmd) {
865 uint32_t password = 0;
866 uint8_t cmdp = 0;
867 bool errors = true;
868 while(param_getchar(Cmd, cmdp) != 0x00) {
869 switch(param_getchar(Cmd, cmdp)) {
870 case 'h':
871 case 'H':
872 return usage_t55xx_wakup();
873 case 'p':
874 case 'P':
875 password = param_get32ex(Cmd, cmdp+1, 0xFFFFFFFF, 16);
876 cmdp += 2;
877 errors = false;
878 break;
879 default:
880 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
881 errors = true;
882 break;
883 }
884 }
885 if (errors) return usage_t55xx_wakup();
886
887 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
888 clearCommandBuffer();
889 SendCommand(&c);
890 PrintAndLog("Wake up command sent. Try read now");
891 return 0;
892 }
893
894 int CmdT55xxWriteBlock(const char *Cmd) {
895 uint8_t block = 0xFF; //default to invalid block
896 uint32_t data = 0; //default to blank Block
897 uint32_t password = 0; //default to blank Block 7
898 bool usepwd = false;
899 bool page1 = false;
900 bool gotdata = false;
901 bool errors = false;
902 uint8_t cmdp = 0;
903 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
904 switch(param_getchar(Cmd, cmdp)) {
905 case 'h':
906 case 'H':
907 return usage_t55xx_write();
908 case 'b':
909 case 'B':
910 errors |= param_getdec(Cmd, cmdp+1, &block);
911 cmdp += 2;
912 break;
913 case 'd':
914 case 'D':
915 data = param_get32ex(Cmd, cmdp+1, 0, 16);
916 gotdata = true;
917 cmdp += 2;
918 break;
919 case 'p':
920 case 'P':
921 password = param_get32ex(Cmd, cmdp+1, 0, 16);
922 usepwd = true;
923 cmdp += 2;
924 break;
925 case '1':
926 page1 = true;
927 cmdp++;
928 break;
929 default:
930 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
931 errors = true;
932 break;
933 }
934 }
935 if (errors || !gotdata) return usage_t55xx_write();
936
937 if (block > 7) {
938 PrintAndLog("Block number must be between 0 and 7");
939 return 0;
940 }
941
942 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
943 UsbCommand resp;
944 c.d.asBytes[0] = (page1) ? 0x2 : 0;
945
946 char pwdStr[16] = {0};
947 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
948
949 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
950
951 //Password mode
952 if (usepwd) {
953 c.arg[2] = password;
954 c.d.asBytes[0] |= 0x1;
955 }
956 clearCommandBuffer();
957 SendCommand(&c);
958 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
959 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
960 return 0;
961 }
962 return 1;
963 }
964
965 int CmdT55xxReadTrace(const char *Cmd) {
966 char cmdp = param_getchar(Cmd, 0);
967 bool pwdmode = false;
968 uint32_t password = 0;
969 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
970 return usage_t55xx_trace();
971
972 if (strlen(Cmd)==0)
973 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
974 return 0;
975
976 if ( config.Q5 ) {
977 if (!DecodeT5555TraceBlock()) return 0;
978 } else {
979 if (!DecodeT55xxBlock()) return 0;
980 }
981
982 if ( !DemodBufferLen ) return 0;
983
984 RepaintGraphWindow();
985 uint8_t repeat = (config.offset > 5) ? 32 : 0;
986
987 uint8_t si = config.offset+repeat;
988 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
989 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
990
991 if (config.Q5) {
992 uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9;
993
994 if (hdr != 0x1FF) {
995 PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
996 return 0;
997 }
998
999 t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};
1000
1001 data.icr = PackBits(si, 2, DemodBuffer); si += 2;
1002 data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3;
1003
1004 data.lotid = PackBits(si, 4, DemodBuffer); si += 5;
1005 data.lotid <<= 4;
1006 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1007 data.lotid <<= 4;
1008 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1009 data.lotid <<= 4;
1010 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1011 data.lotid <<= 1;
1012 data.lotid |= PackBits(si, 1, DemodBuffer); si += 1;
1013
1014 data.wafer = PackBits(si, 3, DemodBuffer); si += 4;
1015 data.wafer <<= 2;
1016 data.wafer |= PackBits(si, 2, DemodBuffer); si += 2;
1017
1018 data.dw = PackBits(si, 2, DemodBuffer); si += 3;
1019 data.dw <<= 4;
1020 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1021 data.dw <<= 4;
1022 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1023 data.dw <<= 4;
1024 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1025
1026 printT5555Trace(data, repeat);
1027
1028 } else {
1029
1030 t55x7_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};
1031
1032 data.acl = PackBits(si, 8, DemodBuffer); si += 8;
1033 if ( data.acl != 0xE0 ) {
1034 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
1035 return 0;
1036 }
1037
1038 data.mfc = PackBits(si, 8, DemodBuffer); si += 8;
1039 data.cid = PackBits(si, 5, DemodBuffer); si += 5;
1040 data.icr = PackBits(si, 3, DemodBuffer); si += 3;
1041 data.year = PackBits(si, 4, DemodBuffer); si += 4;
1042 data.quarter = PackBits(si, 2, DemodBuffer); si += 2;
1043 data.lotid = PackBits(si, 14, DemodBuffer); si += 14;
1044 data.wafer = PackBits(si, 5, DemodBuffer); si += 5;
1045 data.dw = PackBits(si, 15, DemodBuffer);
1046
1047 time_t t = time(NULL);
1048 struct tm tm = *localtime(&t);
1049 if ( data.year > tm.tm_year-110)
1050 data.year += 2000;
1051 else
1052 data.year += 2010;
1053
1054 printT55x7Trace(data, repeat);
1055 }
1056 return 0;
1057 }
1058
1059 void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){
1060 PrintAndLog("-- T55x7 Trace Information ----------------------------------");
1061 PrintAndLog("-------------------------------------------------------------");
1062 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);
1063 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));
1064 PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid));
1065 PrintAndLog(" ICR IC Revision : %d", data.icr );
1066 PrintAndLog(" Manufactured");
1067 PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter);
1068 PrintAndLog(" Lot ID : %d", data.lotid );
1069 PrintAndLog(" Wafer number : %d", data.wafer);
1070 PrintAndLog(" Die Number : %d", data.dw);
1071 PrintAndLog("-------------------------------------------------------------");
1072 PrintAndLog(" Raw Data - Page 1");
1073 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1074 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1075 PrintAndLog("-------------------------------------------------------------");
1076
1077 /*
1078 TRACE - BLOCK O
1079 Bits Definition HEX
1080 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
1081 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
1082 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
1083 22-24 ICR IC revision
1084 25-28 YEAR (BCD encoded) 9 (= 2009)
1085 29-30 QUARTER 1,2,3,4
1086 31-32 LOT ID
1087
1088 TRACE - BLOCK 1
1089 1-12 LOT ID
1090 13-17 Wafer number
1091 18-32 DW, die number sequential
1092 */
1093 }
1094
1095 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){
1096 PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");
1097 PrintAndLog("-------------------------------------------------------------");
1098 PrintAndLog(" ICR IC Revision : %d", data.icr );
1099 PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid);
1100 PrintAndLog(" Wafer number : %d", data.wafer);
1101 PrintAndLog(" Die Number : %d", data.dw);
1102 PrintAndLog("-------------------------------------------------------------");
1103 PrintAndLog(" Raw Data - Page 1");
1104 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1105 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1106
1107 /*
1108 ** Q5 **
1109 TRACE - BLOCK O and BLOCK1
1110 Bits Definition HEX
1111 1-9 Header 0x1FF
1112 10-11 IC Revision
1113 12-13 Lot ID char
1114 15-35 Lot ID (NB parity)
1115 36-41 Wafer number (NB parity)
1116 42-58 DW, die number sequential (NB parity)
1117 60-63 Parity bits
1118 64 Always zero
1119 */
1120 }
1121
1122 //need to add Q5 info...
1123 int CmdT55xxInfo(const char *Cmd){
1124 /*
1125 Page 0 Block 0 Configuration data.
1126 Normal mode
1127 Extended mode
1128 */
1129 bool pwdmode = false;
1130 uint32_t password = 0;
1131 char cmdp = param_getchar(Cmd, 0);
1132
1133 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
1134 return usage_t55xx_info();
1135
1136 if (strlen(Cmd)==0)
1137 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1138 return 1;
1139
1140 if (!DecodeT55xxBlock()) return 1;
1141
1142 // too little space to start with
1143 if ( DemodBufferLen < 32) return 1;
1144
1145 uint8_t si = config.offset;
1146 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1147
1148 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1149 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1150 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1151 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1152 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1153 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1154 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1155 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1156 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1157 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1158 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1159 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1160 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1161 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1162
1163 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1164 PrintAndLog("");
1165 PrintAndLog("-- T55x7 Configuration & Tag Information --------------------");
1166 PrintAndLog("-------------------------------------------------------------");
1167 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1168 PrintAndLog(" reserved : %d", resv);
1169 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1170 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1171 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1172 PrintAndLog(" PSK clock frequency : %d", pskcf);
1173 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1174 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1175 PrintAndLog(" Max block : %d", maxblk);
1176 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1177 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1178 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1179 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1180 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1181 PrintAndLog("-------------------------------------------------------------");
1182 PrintAndLog(" Raw Data - Page 0");
1183 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1184 PrintAndLog("-------------------------------------------------------------");
1185
1186 return 0;
1187 }
1188
1189 int CmdT55xxDump(const char *Cmd){
1190
1191 uint32_t password = 0;
1192 char cmdp = param_getchar(Cmd, 0);
1193 bool override = false;
1194 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1195
1196 bool usepwd = ( strlen(Cmd) > 0);
1197 if ( usepwd ){
1198 password = param_get32ex(Cmd, 0, 0, 16);
1199 if (param_getchar(Cmd, 1) =='o' )
1200 override = true;
1201 }
1202
1203 printT5xxHeader(0);
1204 for ( uint8_t i = 0; i <8; ++i)
1205 T55xxReadBlock(i, 0, usepwd, override, password);
1206
1207 printT5xxHeader(1);
1208 for ( uint8_t i = 0; i<4; i++)
1209 T55xxReadBlock(i, 1, usepwd, override, password);
1210
1211 return 1;
1212 }
1213
1214 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1215 // arg0 bitmodes:
1216 // bit0 = pwdmode
1217 // bit1 = page to read from
1218 uint8_t arg0 = (page<<1) | pwdmode;
1219 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1220
1221 clearCommandBuffer();
1222 SendCommand(&c);
1223 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1224 PrintAndLog("command execution time out");
1225 return 0;
1226 }
1227
1228 uint8_t got[12000];
1229 GetFromBigBuf(got,sizeof(got),0);
1230 WaitForResponse(CMD_ACK,NULL);
1231 setGraphBuf(got, sizeof(got));
1232 return 1;
1233 }
1234
1235 char * GetBitRateStr(uint32_t id) {
1236 static char buf[25];
1237
1238 char *retStr = buf;
1239 switch (id) {
1240 case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
1241 case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
1242 case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
1243 case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
1244 case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
1245 case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
1246 case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
1247 case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
1248 default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
1249 }
1250 return buf;
1251 }
1252
1253 char * GetSaferStr(uint32_t id) {
1254 static char buf[40];
1255 char *retStr = buf;
1256
1257 snprintf(retStr,sizeof(buf),"%d",id);
1258 if (id == 6) {
1259 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1260 }
1261 if (id == 9 ){
1262 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1263 }
1264
1265 return buf;
1266 }
1267
1268 char * GetModulationStr( uint32_t id){
1269 static char buf[60];
1270 char *retStr = buf;
1271
1272 switch (id){
1273 case 0: snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break;
1274 case 1: snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break;
1275 case 2: snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break;
1276 case 3: snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break;
1277 case 4: snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break;
1278 case 5: snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break;
1279 case 6: snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break;
1280 case 7: snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break;
1281 case 8: snprintf(retStr,sizeof(buf),"%d - Manchester",id); break;
1282 case 16: snprintf(retStr,sizeof(buf),"%d - Biphase",id); break;
1283 case 0x18: snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break;
1284 case 17: snprintf(retStr,sizeof(buf),"%d - Reserved",id); break;
1285 default: snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); break;
1286 }
1287 return buf;
1288 }
1289
1290 char * GetModelStrFromCID(uint32_t cid){
1291
1292 static char buf[10];
1293 char *retStr = buf;
1294
1295 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1296 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1297 return buf;
1298 }
1299
1300 char * GetSelectedModulationStr( uint8_t id){
1301
1302 static char buf[20];
1303 char *retStr = buf;
1304
1305 switch (id) {
1306 case DEMOD_FSK: snprintf(retStr,sizeof(buf),"FSK"); break;
1307 case DEMOD_FSK1: snprintf(retStr,sizeof(buf),"FSK1"); break;
1308 case DEMOD_FSK1a: snprintf(retStr,sizeof(buf),"FSK1a"); break;
1309 case DEMOD_FSK2: snprintf(retStr,sizeof(buf),"FSK2"); break;
1310 case DEMOD_FSK2a: snprintf(retStr,sizeof(buf),"FSK2a"); break;
1311 case DEMOD_ASK: snprintf(retStr,sizeof(buf),"ASK"); break;
1312 case DEMOD_NRZ: snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); break;
1313 case DEMOD_PSK1: snprintf(retStr,sizeof(buf),"PSK1"); break;
1314 case DEMOD_PSK2: snprintf(retStr,sizeof(buf),"PSK2"); break;
1315 case DEMOD_PSK3: snprintf(retStr,sizeof(buf),"PSK3"); break;
1316 case DEMOD_BI: snprintf(retStr,sizeof(buf),"BIPHASE"); break;
1317 case DEMOD_BIa: snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); break;
1318 default: snprintf(retStr,sizeof(buf),"(Unknown)"); break;
1319 }
1320 return buf;
1321 }
1322
1323 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
1324
1325 int i = start;
1326 int j = len-1;
1327
1328 if (len > 32) return 0;
1329
1330 uint32_t tmp = 0;
1331 for (; j >= 0; --j, ++i)
1332 tmp |= bits[i] << j;
1333
1334 return tmp;
1335 }
1336
1337 int CmdResetRead(const char *Cmd) {
1338 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1339
1340 clearCommandBuffer();
1341 SendCommand(&c);
1342 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1343 PrintAndLog("command execution time out");
1344 return 0;
1345 }
1346
1347 uint8_t got[BIGBUF_SIZE-1];
1348 GetFromBigBuf(got,sizeof(got),0);
1349 WaitForResponse(CMD_ACK,NULL);
1350 setGraphBuf(got, sizeof(got));
1351 return 1;
1352 }
1353
1354 int CmdT55xxWipe(const char *Cmd) {
1355 char writeData[20] = {0};
1356 char *ptrData = writeData;
1357
1358 char cmdp = param_getchar(Cmd, 0);
1359 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();
1360
1361 bool Q5 = (cmdp == 'q' || cmdp == 'Q');
1362
1363 // Try with the default password to reset block 0
1364 // With a pwd should work even if pwd bit not set
1365 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1366
1367 if ( Q5 ){
1368 snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0");
1369 } else {
1370 snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0");
1371 }
1372
1373 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");
1374
1375 for (uint8_t blk = 1; blk<8; blk++) {
1376 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1377 if (!CmdT55xxWriteBlock(ptrData))
1378 PrintAndLog("Error writing blk %d", blk);
1379
1380 memset(writeData, 0x00, sizeof(writeData));
1381 }
1382 return 0;
1383 }
1384
1385 int CmdT55xxBruteForce(const char *Cmd) {
1386
1387 // load a default pwd file.
1388 char buf[9];
1389 char filename[FILE_PATH_SIZE]={0};
1390 int keycnt = 0;
1391 int ch;
1392 uint8_t stKeyBlock = 20;
1393 uint8_t *keyBlock = NULL, *p = NULL;
1394 uint32_t start_password = 0x00000000; //start password
1395 uint32_t end_password = 0xFFFFFFFF; //end password
1396 bool found = false;
1397
1398 char cmdp = param_getchar(Cmd, 0);
1399 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1400
1401 keyBlock = calloc(stKeyBlock, 6);
1402 if (keyBlock == NULL) return 1;
1403
1404 if (cmdp == 'i' || cmdp == 'I') {
1405
1406 int len = strlen(Cmd+2);
1407 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1408 memcpy(filename, Cmd+2, len);
1409
1410 FILE * f = fopen( filename , "r");
1411
1412 if ( !f ) {
1413 PrintAndLog("File: %s: not found or locked.", filename);
1414 free(keyBlock);
1415 return 1;
1416 }
1417
1418 while( fgets(buf, sizeof(buf), f) ) {
1419 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1420
1421 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1422
1423 //The line start with # is comment, skip
1424 if( buf[0]=='#' ) continue;
1425
1426 if (!isxdigit(buf[0])) {
1427 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1428 continue;
1429 }
1430
1431 buf[8] = 0;
1432
1433 if ( stKeyBlock - keycnt < 2) {
1434 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1435 if (!p) {
1436 PrintAndLog("Cannot allocate memory for defaultKeys");
1437 free(keyBlock);
1438 fclose(f);
1439 return 2;
1440 }
1441 keyBlock = p;
1442 }
1443 memset(keyBlock + 4 * keycnt, 0, 4);
1444 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1445 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1446 keycnt++;
1447 memset(buf, 0, sizeof(buf));
1448 }
1449 fclose(f);
1450
1451 if (keycnt == 0) {
1452 PrintAndLog("No keys found in file");
1453 free(keyBlock);
1454 return 1;
1455 }
1456 PrintAndLog("Loaded %d keys", keycnt);
1457
1458 // loop
1459 uint64_t testpwd = 0x00;
1460 for (uint16_t c = 0; c < keycnt; ++c ) {
1461
1462 if (ukbhit()) {
1463 ch = getchar();
1464 (void)ch;
1465 printf("\naborted via keyboard!\n");
1466 free(keyBlock);
1467 return 0;
1468 }
1469
1470 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1471
1472 PrintAndLog("Testing %08X", testpwd);
1473
1474 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1475 PrintAndLog("Aquireing data from device failed. Quitting");
1476 free(keyBlock);
1477 return 0;
1478 }
1479
1480 found = tryDetectModulation();
1481
1482 if ( found ) {
1483 PrintAndLog("Found valid password: [%08X]", testpwd);
1484 free(keyBlock);
1485 return 0;
1486 }
1487 }
1488 PrintAndLog("Password NOT found.");
1489 free(keyBlock);
1490 return 0;
1491 }
1492
1493 // Try to read Block 7, first :)
1494
1495 // incremental pwd range search
1496 start_password = param_get32ex(Cmd, 0, 0, 16);
1497 end_password = param_get32ex(Cmd, 1, 0, 16);
1498
1499 if ( start_password >= end_password ) {
1500 free(keyBlock);
1501 return usage_t55xx_bruteforce();
1502 }
1503 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1504
1505 uint32_t i = start_password;
1506
1507 while ((!found) && (i <= end_password)) {
1508
1509 printf(".");
1510 fflush(stdout);
1511 if (ukbhit()) {
1512 ch = getchar();
1513 (void)ch;
1514 printf("\naborted via keyboard!\n");
1515 free(keyBlock);
1516 return 0;
1517 }
1518
1519 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1520 PrintAndLog("Aquireing data from device failed. Quitting");
1521 free(keyBlock);
1522 return 0;
1523 }
1524 found = tryDetectModulation();
1525
1526 if (found) break;
1527 i++;
1528 }
1529
1530 PrintAndLog("");
1531
1532 if (found)
1533 PrintAndLog("Found valid password: [%08x]", i);
1534 else
1535 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1536
1537 free(keyBlock);
1538 return 0;
1539 }
1540
1541 static command_t CommandTable[] = {
1542 {"help", CmdHelp, 1, "This help"},
1543 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1544 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1545 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1546 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1547 {"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)"},
1548 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1549 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1550 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1551 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1552 {"special", special, 0, "Show block changes with 64 different offsets"},
1553 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1554 {"wipe", CmdT55xxWipe, 0, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1555 {NULL, NULL, 0, NULL}
1556 };
1557
1558 int CmdLFT55XX(const char *Cmd) {
1559 CmdsParse(CommandTable, Cmd);
1560 return 0;
1561 }
1562
1563 int CmdHelp(const char *Cmd) {
1564 CmdsHelp(CommandTable);
1565 return 0;
1566 }
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