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CHG: a bit code clean up,
[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 "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 wr [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 static int CmdHelp(const char *Cmd);
180
181 void printT5xxHeader(uint8_t page){
182 PrintAndLog("Reading Page %d:", page);
183 PrintAndLog("blk | hex data | binary");
184 PrintAndLog("----+----------+---------------------------------");
185 }
186
187 int CmdT55xxSetConfig(const char *Cmd) {
188
189 uint8_t offset = 0;
190 char modulation[5] = {0x00};
191 char tmp = 0x00;
192 uint8_t bitRate = 0;
193 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
194 uint8_t cmdp = 0;
195 bool errors = FALSE;
196 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
197 {
198 tmp = param_getchar(Cmd, cmdp);
199 switch(tmp)
200 {
201 case 'h':
202 case 'H':
203 return usage_t55xx_config();
204 case 'b':
205 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
206 if ( !errors){
207 uint8_t i = 0;
208 for (; i < 9; i++){
209 if (rates[i]==bitRate) {
210 config.bitrate = i;
211 break;
212 }
213 }
214 if (i==9) errors = TRUE;
215 }
216 cmdp+=2;
217 break;
218 case 'd':
219 param_getstr(Cmd, cmdp+1, modulation);
220 cmdp += 2;
221
222 if ( strcmp(modulation, "FSK" ) == 0) {
223 config.modulation = DEMOD_FSK;
224 } else if ( strcmp(modulation, "FSK1" ) == 0) {
225 config.modulation = DEMOD_FSK1;
226 config.inverted=1;
227 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
228 config.modulation = DEMOD_FSK1a;
229 config.inverted=0;
230 } else if ( strcmp(modulation, "FSK2" ) == 0) {
231 config.modulation = DEMOD_FSK2;
232 config.inverted=0;
233 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
234 config.modulation = DEMOD_FSK2a;
235 config.inverted=1;
236 } else if ( strcmp(modulation, "ASK" ) == 0) {
237 config.modulation = DEMOD_ASK;
238 } else if ( strcmp(modulation, "NRZ" ) == 0) {
239 config.modulation = DEMOD_NRZ;
240 } else if ( strcmp(modulation, "PSK1" ) == 0) {
241 config.modulation = DEMOD_PSK1;
242 } else if ( strcmp(modulation, "PSK2" ) == 0) {
243 config.modulation = DEMOD_PSK2;
244 } else if ( strcmp(modulation, "PSK3" ) == 0) {
245 config.modulation = DEMOD_PSK3;
246 } else if ( strcmp(modulation, "BIa" ) == 0) {
247 config.modulation = DEMOD_BIa;
248 config.inverted=1;
249 } else if ( strcmp(modulation, "BI" ) == 0) {
250 config.modulation = DEMOD_BI;
251 config.inverted=0;
252 } else {
253 PrintAndLog("Unknown modulation '%s'", modulation);
254 errors = TRUE;
255 }
256 break;
257 case 'i':
258 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
259 cmdp+=2;
260 break;
261 case 'o':
262 errors |= param_getdec(Cmd, cmdp+1, &offset);
263 if ( !errors )
264 config.offset = offset;
265 cmdp+=2;
266 break;
267 case 'Q':
268 case 'q':
269 config.Q5 = TRUE;
270 cmdp++;
271 break;
272 case 'S':
273 case 's':
274 config.ST = TRUE;
275 cmdp++;
276 break;
277 default:
278 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
279 errors = TRUE;
280 break;
281 }
282 }
283
284 // No args
285 if (cmdp == 0) return printConfiguration( config );
286
287 //Validations
288 if (errors) return usage_t55xx_config();
289
290 config.block0 = 0;
291 return printConfiguration ( config );
292 }
293
294 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
295 //Password mode
296 if ( usepwd ) {
297 // try reading the config block and verify that PWD bit is set before doing this!
298 if ( !override ) {
299
300 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
301
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,"%02d", 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
445 int CmdT55xxDetect(const char *Cmd){
446 bool errors = FALSE;
447 bool useGB = FALSE;
448 bool usepwd = FALSE;
449 uint32_t password = 0;
450 uint8_t cmdp = 0;
451
452 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
453 switch(param_getchar(Cmd, cmdp)) {
454 case 'h':
455 case 'H':
456 return usage_t55xx_detect();
457 case 'p':
458 case 'P':
459 password = param_get32ex(Cmd, cmdp+1, 0, 16);
460 usepwd = TRUE;
461 cmdp += 2;
462 break;
463 case '1':
464 // use Graphbuffer data
465 useGB = TRUE;
466 cmdp++;
467 break;
468 default:
469 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
470 errors = true;
471 break;
472 }
473 }
474 if (errors) return usage_t55xx_detect();
475
476 if ( !useGB) {
477 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
478 return 0;
479 }
480
481 if ( !tryDetectModulation() )
482 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
483
484 return 1;
485 }
486
487 // detect configuration?
488 bool tryDetectModulation(){
489 uint8_t hits = 0;
490 t55xx_conf_block_t tests[15];
491 int bitRate=0;
492 uint8_t fc1 = 0, fc2 = 0, clk=0;
493
494 if (GetFskClock("", FALSE, FALSE)){
495 fskClocks(&fc1, &fc2, &clk, FALSE);
496 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
497 tests[hits].modulation = DEMOD_FSK;
498 if (fc1==8 && fc2 == 5)
499 tests[hits].modulation = DEMOD_FSK1a;
500 else if (fc1==10 && fc2 == 8)
501 tests[hits].modulation = DEMOD_FSK2;
502 tests[hits].bitrate = bitRate;
503 tests[hits].inverted = FALSE;
504 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
505 tests[hits].ST = FALSE;
506 ++hits;
507 }
508 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
509 tests[hits].modulation = DEMOD_FSK;
510 if (fc1 == 8 && fc2 == 5)
511 tests[hits].modulation = DEMOD_FSK1;
512 else if (fc1 == 10 && fc2 == 8)
513 tests[hits].modulation = DEMOD_FSK2a;
514 tests[hits].bitrate = bitRate;
515 tests[hits].inverted = TRUE;
516 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
517 tests[hits].ST = FALSE;
518 ++hits;
519 }
520 } else {
521 clk = GetAskClock("", FALSE, FALSE);
522 if (clk>0) {
523 tests[hits].ST = TRUE;
524 if ( ASKDemod_ext("0 0 1", FALSE, FALSE, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
525 tests[hits].modulation = DEMOD_ASK;
526 tests[hits].bitrate = bitRate;
527 tests[hits].inverted = FALSE;
528 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
529 ++hits;
530 }
531 tests[hits].ST = TRUE;
532 if ( ASKDemod_ext("0 1 1", FALSE, FALSE, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
533 tests[hits].modulation = DEMOD_ASK;
534 tests[hits].bitrate = bitRate;
535 tests[hits].inverted = TRUE;
536 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
537 ++hits;
538 }
539 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
540 tests[hits].modulation = DEMOD_BI;
541 tests[hits].bitrate = bitRate;
542 tests[hits].inverted = FALSE;
543 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
544 tests[hits].ST = FALSE;
545 ++hits;
546 }
547 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
548 tests[hits].modulation = DEMOD_BIa;
549 tests[hits].bitrate = bitRate;
550 tests[hits].inverted = TRUE;
551 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
552 tests[hits].ST = FALSE;
553 ++hits;
554 }
555 }
556 //undo trim from ask
557 //save_restoreGB(0);
558 clk = GetNrzClock("", FALSE, FALSE);
559 if (clk>0) {
560 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
561 tests[hits].modulation = DEMOD_NRZ;
562 tests[hits].bitrate = bitRate;
563 tests[hits].inverted = FALSE;
564 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
565 tests[hits].ST = FALSE;
566 ++hits;
567 }
568
569 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
570 tests[hits].modulation = DEMOD_NRZ;
571 tests[hits].bitrate = bitRate;
572 tests[hits].inverted = TRUE;
573 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
574 tests[hits].ST = FALSE;
575 ++hits;
576 }
577 }
578
579 // allow undo
580 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
581 save_restoreGB(1);
582 CmdLtrim("160");
583 clk = GetPskClock("", FALSE, FALSE);
584 if (clk>0) {
585 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
586 tests[hits].modulation = DEMOD_PSK1;
587 tests[hits].bitrate = bitRate;
588 tests[hits].inverted = FALSE;
589 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
590 tests[hits].ST = FALSE;
591 ++hits;
592 }
593 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
594 tests[hits].modulation = DEMOD_PSK1;
595 tests[hits].bitrate = bitRate;
596 tests[hits].inverted = TRUE;
597 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
598 tests[hits].ST = FALSE;
599 ++hits;
600 }
601 // PSK2 - needs a call to psk1TOpsk2.
602 if ( PSKDemod("0 0 6", FALSE)) {
603 psk1TOpsk2(DemodBuffer, DemodBufferLen);
604 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
605 tests[hits].modulation = DEMOD_PSK2;
606 tests[hits].bitrate = bitRate;
607 tests[hits].inverted = FALSE;
608 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
609 tests[hits].ST = FALSE;
610 ++hits;
611 }
612 } // inverse waves does not affect this demod
613 // PSK3 - needs a call to psk1TOpsk2.
614 if ( PSKDemod("0 0 6", FALSE)) {
615 psk1TOpsk2(DemodBuffer, DemodBufferLen);
616 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
617 tests[hits].modulation = DEMOD_PSK3;
618 tests[hits].bitrate = bitRate;
619 tests[hits].inverted = FALSE;
620 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
621 tests[hits].ST = FALSE;
622 ++hits;
623 }
624 } // inverse waves does not affect this demod
625 }
626 //undo trim samples
627 save_restoreGB(0);
628 }
629 if ( hits == 1) {
630 config.modulation = tests[0].modulation;
631 config.bitrate = tests[0].bitrate;
632 config.inverted = tests[0].inverted;
633 config.offset = tests[0].offset;
634 config.block0 = tests[0].block0;
635 config.Q5 = tests[0].Q5;
636 config.ST = tests[0].ST;
637 printConfiguration( config );
638 return TRUE;
639 }
640
641 if ( hits > 1) {
642 PrintAndLog("Found [%d] possible matches for modulation.",hits);
643 for(int i=0; i<hits; ++i){
644 PrintAndLog("--[%d]---------------", i+1);
645 printConfiguration( tests[i] );
646 }
647 }
648 return FALSE;
649 }
650
651 bool testModulation(uint8_t mode, uint8_t modread){
652 switch( mode ){
653 case DEMOD_FSK:
654 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
655 break;
656 case DEMOD_ASK:
657 if (modread == DEMOD_ASK) return TRUE;
658 break;
659 case DEMOD_PSK1:
660 if (modread == DEMOD_PSK1) return TRUE;
661 break;
662 case DEMOD_PSK2:
663 if (modread == DEMOD_PSK2) return TRUE;
664 break;
665 case DEMOD_PSK3:
666 if (modread == DEMOD_PSK3) return TRUE;
667 break;
668 case DEMOD_NRZ:
669 if (modread == DEMOD_NRZ) return TRUE;
670 break;
671 case DEMOD_BI:
672 if (modread == DEMOD_BI) return TRUE;
673 break;
674 case DEMOD_BIa:
675 if (modread == DEMOD_BIa) return TRUE;
676 break;
677 default:
678 return FALSE;
679 }
680 return FALSE;
681 }
682
683 bool testQ5Modulation(uint8_t mode, uint8_t modread){
684 switch( mode ){
685 case DEMOD_FSK:
686 if (modread >= 4 && modread <= 5) return TRUE;
687 break;
688 case DEMOD_ASK:
689 if (modread == 0) return TRUE;
690 break;
691 case DEMOD_PSK1:
692 if (modread == 1) return TRUE;
693 break;
694 case DEMOD_PSK2:
695 if (modread == 2) return TRUE;
696 break;
697 case DEMOD_PSK3:
698 if (modread == 3) return TRUE;
699 break;
700 case DEMOD_NRZ:
701 if (modread == 7) return TRUE;
702 break;
703 case DEMOD_BI:
704 if (modread == 6) return TRUE;
705 break;
706 default:
707 return FALSE;
708 }
709 return FALSE;
710 }
711
712 int convertQ5bitRate(uint8_t bitRateRead) {
713 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
714 for (int i=0; i<8; i++)
715 if (expected[i] == bitRateRead)
716 return i;
717
718 return -1;
719 }
720
721 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
722
723 if ( DemodBufferLen < 64 ) return FALSE;
724 uint8_t si = 0;
725 for (uint8_t idx = 28; idx < 64; idx++){
726 si = idx;
727 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
728
729 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
730 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
731 // 2nibble must be zeroed.
732 if (safer != 0x6 && safer != 0x9) continue;
733 if ( resv > 0x00) continue;
734 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
735 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
736 si += 1+1;
737 int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate
738 if (bitRate > 128 || bitRate < 8) continue;
739
740 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
741 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
742 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
743 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
744 si += 1+1+2+1;
745 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
746 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
747 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
748 if (maxBlk == 0) continue;
749 //test modulation
750 if (!testQ5Modulation(mode, modread)) continue;
751 if (bitRate != clk) continue;
752 *fndBitRate = convertQ5bitRate(bitRate);
753 if (*fndBitRate < 0) continue;
754 *offset = idx;
755
756 return TRUE;
757 }
758 return FALSE;
759 }
760
761 bool testBitRate(uint8_t readRate, uint8_t clk){
762 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
763 if (expected[readRate] == clk)
764 return true;
765
766 return false;
767 }
768
769 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
770
771 if ( DemodBufferLen < 64 ) return FALSE;
772 uint8_t si = 0;
773 for (uint8_t idx = 28; idx < 64; idx++){
774 si = idx;
775 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
776
777 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
778 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
779 // 2nibble must be zeroed.
780 // moved test to here, since this gets most faults first.
781 if ( resv > 0x00) continue;
782
783 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
784 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
785 if (bitRate > 7) continue;
786 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
787 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
788 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
789 //uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
790 //uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
791
792 //if extended mode
793 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
794
795 if (!extMode){
796 if (xtRate) continue; //nml01 || nml02 || caused issues on noralys tags
797 }
798 //test modulation
799 if (!testModulation(mode, modread)) continue;
800 if (!testBitRate(bitRate, clk)) continue;
801 *fndBitRate = bitRate;
802 *offset = idx;
803 *Q5 = FALSE;
804 return TRUE;
805 }
806 if (testQ5(mode, offset, fndBitRate, clk)) {
807 *Q5 = TRUE;
808 return TRUE;
809 }
810 return FALSE;
811 }
812
813 void printT55xxBlock(const char *blockNum){
814
815 uint8_t i = config.offset;
816 uint8_t endpos = 32 + i;
817 uint32_t blockData = 0;
818 uint8_t bits[64] = {0x00};
819
820 if ( !DemodBufferLen) return;
821
822 if ( endpos > DemodBufferLen){
823 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
824 return;
825 }
826
827 for (; i < endpos; ++i)
828 bits[i - config.offset] = DemodBuffer[i];
829
830 blockData = PackBits(0, 32, bits);
831
832 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
833 }
834
835 int special(const char *Cmd) {
836 uint32_t blockData = 0;
837 uint8_t bits[32] = {0x00};
838
839 PrintAndLog("OFFSET | DATA | BINARY");
840 PrintAndLog("----------------------------------------------------");
841 int i,j = 0;
842 for (; j < 64; ++j){
843
844 for (i = 0; i < 32; ++i)
845 bits[i]=DemodBuffer[j+i];
846
847 blockData = PackBits(0, 32, bits);
848
849 PrintAndLog("%02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
850 }
851 return 0;
852 }
853
854 int printConfiguration( t55xx_conf_block_t b){
855 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
856 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
857 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
858 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
859 PrintAndLog("Offset : %d", b.offset);
860 PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" );
861 PrintAndLog("Block0 : 0x%08X", b.block0);
862 PrintAndLog("");
863 return 0;
864 }
865
866 int CmdT55xxWakeUp(const char *Cmd) {
867 uint32_t password = 0;
868 uint8_t cmdp = 0;
869 bool errors = false;
870 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
871 switch(param_getchar(Cmd, cmdp)) {
872 case 'h':
873 case 'H':
874 return usage_t55xx_wakup();
875 case 'p':
876 case 'P':
877 password = param_get32ex(Cmd, cmdp+1, 0, 16);
878 cmdp += 2;
879 errors = false;
880 break;
881 default:
882 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
883 errors = true;
884 break;
885 }
886 }
887 if (errors) return usage_t55xx_wakup();
888
889 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
890 clearCommandBuffer();
891 SendCommand(&c);
892 PrintAndLog("Wake up command sent. Try read now");
893 return 0;
894 }
895
896 int CmdT55xxWriteBlock(const char *Cmd) {
897 uint8_t block = 0xFF; //default to invalid block
898 uint32_t data = 0; //default to blank Block
899 uint32_t password = 0; //default to blank Block 7
900 bool usepwd = false;
901 bool page1 = false;
902 bool gotdata = false;
903 bool errors = false;
904 uint8_t cmdp = 0;
905 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
906 switch(param_getchar(Cmd, cmdp)) {
907 case 'h':
908 case 'H':
909 return usage_t55xx_write();
910 case 'b':
911 case 'B':
912 errors |= param_getdec(Cmd, cmdp+1, &block);
913 cmdp += 2;
914 break;
915 case 'd':
916 case 'D':
917 data = param_get32ex(Cmd, cmdp+1, 0, 16);
918 gotdata = true;
919 cmdp += 2;
920 break;
921 case 'p':
922 case 'P':
923 password = param_get32ex(Cmd, cmdp+1, 0, 16);
924 usepwd = true;
925 cmdp += 2;
926 break;
927 case '1':
928 page1 = true;
929 cmdp++;
930 break;
931 default:
932 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
933 errors = true;
934 break;
935 }
936 }
937 if (errors || !gotdata) return usage_t55xx_write();
938
939 if (block > 7) {
940 PrintAndLog("Block number must be between 0 and 7");
941 return 0;
942 }
943
944 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
945 UsbCommand resp;
946 c.d.asBytes[0] = (page1) ? 0x2 : 0;
947
948 char pwdStr[16] = {0};
949 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
950
951 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
952
953 //Password mode
954 if (usepwd) {
955 c.arg[2] = password;
956 c.d.asBytes[0] |= 0x1;
957 }
958 clearCommandBuffer();
959 SendCommand(&c);
960 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
961 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
962 return 0;
963 }
964 return 1;
965 }
966
967 int CmdT55xxReadTrace(const char *Cmd) {
968 char cmdp = param_getchar(Cmd, 0);
969 bool pwdmode = false;
970 uint32_t password = 0;
971 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();
972
973 if (strlen(Cmd)==0)
974 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
975 return 0;
976
977 if ( config.Q5 ){
978 if (!DecodeT5555TraceBlock()) return 0;
979 } else {
980 if (!DecodeT55xxBlock()) return 0;
981 }
982
983 if ( !DemodBufferLen ) return 0;
984
985 RepaintGraphWindow();
986 uint8_t repeat = (config.offset > 5) ? 32 : 0;
987
988 uint8_t si = config.offset + repeat;
989 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
990 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
991
992 if (config.Q5) {
993 uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9;
994
995 if (hdr != 0x1FF) {
996 PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
997 return 0;
998 }
999
1000 t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};
1001
1002 data.icr = PackBits(si, 2, DemodBuffer); si += 2;
1003 data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3;
1004
1005 data.lotid = PackBits(si, 4, DemodBuffer); si += 5;
1006 data.lotid <<= 4;
1007 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1008 data.lotid <<= 4;
1009 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1010 data.lotid <<= 4;
1011 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1012 data.lotid <<= 1;
1013 data.lotid |= PackBits(si, 1, DemodBuffer); si += 1;
1014
1015 data.wafer = PackBits(si, 3, DemodBuffer); si += 4;
1016 data.wafer <<= 2;
1017 data.wafer |= PackBits(si, 2, DemodBuffer); si += 2;
1018
1019 data.dw = PackBits(si, 2, DemodBuffer); si += 3;
1020 data.dw <<= 4;
1021 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1022 data.dw <<= 4;
1023 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1024 data.dw <<= 4;
1025 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1026
1027 printT5555Trace(data, repeat);
1028
1029 } else {
1030
1031 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};
1032
1033 data.acl = PackBits(si, 8, DemodBuffer); si += 8;
1034 if ( data.acl != 0xE0 ) {
1035 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
1036 return 0;
1037 }
1038
1039 data.mfc = PackBits(si, 8, DemodBuffer); si += 8;
1040 data.cid = PackBits(si, 5, DemodBuffer); si += 5;
1041 data.icr = PackBits(si, 3, DemodBuffer); si += 3;
1042 data.year = PackBits(si, 4, DemodBuffer); si += 4;
1043 data.quarter = PackBits(si, 2, DemodBuffer); si += 2;
1044 data.lotid = PackBits(si, 14, DemodBuffer); si += 14;
1045 data.wafer = PackBits(si, 5, DemodBuffer); si += 5;
1046 data.dw = PackBits(si, 15, DemodBuffer);
1047
1048 time_t t = time(NULL);
1049 struct tm tm = *localtime(&t);
1050 if ( data.year > tm.tm_year-110)
1051 data.year += 2000;
1052 else
1053 data.year += 2010;
1054
1055 printT55x7Trace(data, repeat);
1056 }
1057 return 0;
1058 }
1059
1060 void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){
1061 PrintAndLog("-- T55x7 Trace Information ----------------------------------");
1062 PrintAndLog("-------------------------------------------------------------");
1063 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);
1064 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));
1065 PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid));
1066 PrintAndLog(" ICR IC Revision : %d", data.icr );
1067 PrintAndLog(" Manufactured");
1068 PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter);
1069 PrintAndLog(" Lot ID : %d", data.lotid );
1070 PrintAndLog(" Wafer number : %d", data.wafer);
1071 PrintAndLog(" Die Number : %d", data.dw);
1072 PrintAndLog("-------------------------------------------------------------");
1073 PrintAndLog(" Raw Data - Page 1");
1074 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1075 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1076 PrintAndLog("-------------------------------------------------------------");
1077
1078 /*
1079 TRACE - BLOCK O
1080 Bits Definition HEX
1081 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
1082 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
1083 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
1084 22-24 ICR IC revision
1085 25-28 YEAR (BCD encoded) 9 (= 2009)
1086 29-30 QUARTER 1,2,3,4
1087 31-32 LOT ID
1088
1089 TRACE - BLOCK 1
1090 1-12 LOT ID
1091 13-17 Wafer number
1092 18-32 DW, die number sequential
1093 */
1094 }
1095
1096 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){
1097 PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");
1098 PrintAndLog("-------------------------------------------------------------");
1099 PrintAndLog(" ICR IC Revision : %d", data.icr );
1100 PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid);
1101 PrintAndLog(" Wafer number : %d", data.wafer);
1102 PrintAndLog(" Die Number : %d", data.dw);
1103 PrintAndLog("-------------------------------------------------------------");
1104 PrintAndLog(" Raw Data - Page 1");
1105 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1106 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1107
1108 /*
1109 ** Q5 **
1110 TRACE - BLOCK O and BLOCK1
1111 Bits Definition HEX
1112 1-9 Header 0x1FF
1113 10-11 IC Revision
1114 12-13 Lot ID char
1115 15-35 Lot ID (NB parity)
1116 36-41 Wafer number (NB parity)
1117 42-58 DW, die number sequential (NB parity)
1118 60-63 Parity bits
1119 64 Always zero
1120 */
1121 }
1122
1123 //need to add Q5 info...
1124 int CmdT55xxInfo(const char *Cmd){
1125 /*
1126 Page 0 Block 0 Configuration data.
1127 Normal mode
1128 Extended mode
1129 */
1130 bool pwdmode = false;
1131 uint32_t password = 0;
1132 char cmdp = param_getchar(Cmd, 0);
1133
1134 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') 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 //
1146 PrintAndLog("Offset+32 ==%d\n DemodLen == %d", config.offset + 32,DemodBufferLen );
1147
1148 uint8_t si = config.offset;
1149 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1150 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1151 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1152 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1153 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1154 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1155 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1156 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1157 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1158 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1159 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1160 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1161 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1162 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1163 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1164
1165 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1166 PrintAndLog("");
1167 PrintAndLog("-- T55x7 Configuration & Tag Information --------------------");
1168 PrintAndLog("-------------------------------------------------------------");
1169 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1170 PrintAndLog(" reserved : %d", resv);
1171 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1172 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1173 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1174 PrintAndLog(" PSK clock frequency : %d", pskcf);
1175 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1176 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1177 PrintAndLog(" Max block : %d", maxblk);
1178 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1179 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1180 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1181 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1182 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1183 PrintAndLog("-------------------------------------------------------------");
1184 PrintAndLog(" Raw Data - Page 0");
1185 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1186 PrintAndLog("-------------------------------------------------------------");
1187
1188 return 0;
1189 }
1190
1191 int CmdT55xxDump(const char *Cmd){
1192
1193 uint32_t password = 0;
1194 bool override = false;
1195 char cmdp = param_getchar(Cmd, 0);
1196 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1197
1198 bool usepwd = ( strlen(Cmd) > 0);
1199 if ( usepwd ){
1200 password = param_get32ex(Cmd, 0, 0, 16);
1201 if (param_getchar(Cmd, 1) =='o' )
1202 override = true;
1203 }
1204
1205 printT5xxHeader(0);
1206 for ( uint8_t i = 0; i < 8; ++i)
1207 T55xxReadBlock(i, 0, usepwd, override, password);
1208
1209 printT5xxHeader(1);
1210 for ( uint8_t i = 0; i < 4; i++)
1211 T55xxReadBlock(i, 1, usepwd, override, password);
1212
1213 return 1;
1214 }
1215
1216 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1217 // arg0 bitmodes:
1218 // bit0 = pwdmode
1219 // bit1 = page to read from
1220 uint8_t arg0 = (page<<1) | pwdmode;
1221 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1222
1223 clearCommandBuffer();
1224 SendCommand(&c);
1225 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1226 PrintAndLog("command execution time out");
1227 return 0;
1228 }
1229
1230 uint8_t got[12000];
1231 GetFromBigBuf(got,sizeof(got),0);
1232 WaitForResponse(CMD_ACK,NULL);
1233 setGraphBuf(got, sizeof(got));
1234 return 1;
1235 }
1236
1237 char * GetBitRateStr(uint32_t id){
1238 static char buf[25];
1239
1240 char *retStr = buf;
1241 switch (id){
1242 case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
1243 case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
1244 case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
1245 case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
1246 case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
1247 case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
1248 case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
1249 case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
1250 default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
1251 }
1252 return buf;
1253 }
1254
1255 char * GetSaferStr(uint32_t id){
1256 static char buf[40];
1257 char *retStr = buf;
1258
1259 snprintf(retStr,sizeof(buf),"%d",id);
1260 if (id == 6) {
1261 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1262 }
1263 if (id == 9 ){
1264 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1265 }
1266
1267 return buf;
1268 }
1269
1270 char * GetModulationStr( uint32_t id){
1271 static char buf[60];
1272 char *retStr = buf;
1273
1274 switch (id){
1275 case 0: snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break;
1276 case 1: snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break;
1277 case 2: snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break;
1278 case 3: snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break;
1279 case 4: snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break;
1280 case 5: snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break;
1281 case 6: snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break;
1282 case 7: snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break;
1283 case 8: snprintf(retStr,sizeof(buf),"%d - Manchester",id); break;
1284 case 16: snprintf(retStr,sizeof(buf),"%d - Biphase",id); break;
1285 case 0x18:snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break;
1286 case 17: snprintf(retStr,sizeof(buf),"%d - Reserved",id); break;
1287 default: snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); break;
1288 }
1289 return buf;
1290 }
1291
1292 char * GetModelStrFromCID(uint32_t cid){
1293
1294 static char buf[10];
1295 char *retStr = buf;
1296
1297 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1298 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1299 return buf;
1300 }
1301
1302 char * GetSelectedModulationStr( uint8_t id){
1303
1304 static char buf[20];
1305 char *retStr = buf;
1306
1307 switch (id){
1308 case DEMOD_FSK: snprintf(retStr,sizeof(buf),"FSK"); break;
1309 case DEMOD_FSK1: snprintf(retStr,sizeof(buf),"FSK1"); break;
1310 case DEMOD_FSK1a: snprintf(retStr,sizeof(buf),"FSK1a"); break;
1311 case DEMOD_FSK2: snprintf(retStr,sizeof(buf),"FSK2"); break;
1312 case DEMOD_FSK2a: snprintf(retStr,sizeof(buf),"FSK2a"); break;
1313 case DEMOD_ASK: snprintf(retStr,sizeof(buf),"ASK"); break;
1314 case DEMOD_NRZ: snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); break;
1315 case DEMOD_PSK1: snprintf(retStr,sizeof(buf),"PSK1"); break;
1316 case DEMOD_PSK2: snprintf(retStr,sizeof(buf),"PSK2"); break;
1317 case DEMOD_PSK3: snprintf(retStr,sizeof(buf),"PSK3"); break;
1318 case DEMOD_BI: snprintf(retStr,sizeof(buf),"BIPHASE"); break;
1319 case DEMOD_BIa: snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); break;
1320 default: snprintf(retStr,sizeof(buf),"(Unknown)"); break;
1321 }
1322 return buf;
1323 }
1324
1325 void t55x7_create_config_block( int tagtype ){
1326
1327 /*
1328 T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK
1329 T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK,
1330 T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK
1331 T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK
1332 */
1333 static char buf[60];
1334 char *retStr = buf;
1335
1336 switch (tagtype){
1337 case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;
1338 case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;
1339 case 2: snprintf(retStr, sizeof(buf),"%08X - T5555 Q5 Default", T5555_DEFAULT_CONFIG_BLOCK); break;
1340 default:
1341 break;
1342 }
1343 PrintAndLog(buf);
1344 }
1345
1346 int CmdResetRead(const char *Cmd) {
1347 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1348
1349 clearCommandBuffer();
1350 SendCommand(&c);
1351 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1352 PrintAndLog("command execution time out");
1353 return 0;
1354 }
1355
1356 uint8_t got[BIGBUF_SIZE-1];
1357 GetFromBigBuf(got,sizeof(got),0);
1358 WaitForResponse(CMD_ACK,NULL);
1359 setGraphBuf(got, sizeof(got));
1360 return 1;
1361 }
1362 // ADD T5555 (Q5) Default config block
1363 int CmdT55xxWipe(const char *Cmd) {
1364 char writeData[20] = {0};
1365 char *ptrData = writeData;
1366 char cmdp = param_getchar(Cmd, 0);
1367 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();
1368
1369 bool Q5 = (cmdp == 'q' || cmdp == 'Q');
1370
1371 // Try with the default password to reset block 0
1372 // With a pwd should work even if pwd bit not set
1373 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1374
1375 if ( Q5 ){
1376 snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0");
1377 } else {
1378 snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");
1379 }
1380
1381 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");
1382
1383 for (uint8_t blk = 1; blk<8; blk++) {
1384
1385 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1386
1387 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk %d", blk);
1388
1389 memset(writeData,0x00, sizeof(writeData));
1390 }
1391 return 0;
1392 }
1393
1394 int CmdT55xxBruteForce(const char *Cmd) {
1395
1396 // load a default pwd file.
1397 char buf[9];
1398 char filename[FILE_PATH_SIZE]={0};
1399 int keycnt = 0;
1400 int ch;
1401 uint8_t stKeyBlock = 20;
1402 uint8_t *keyBlock = NULL, *p = NULL;
1403 uint32_t start_password = 0x00000000; //start password
1404 uint32_t end_password = 0xFFFFFFFF; //end password
1405 bool found = false;
1406
1407 char cmdp = param_getchar(Cmd, 0);
1408 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1409
1410 keyBlock = calloc(stKeyBlock, 6);
1411 if (keyBlock == NULL) return 1;
1412
1413 if (cmdp == 'i' || cmdp == 'I') {
1414
1415 int len = strlen(Cmd+2);
1416 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1417 memcpy(filename, Cmd+2, len);
1418
1419 FILE * f = fopen( filename , "r");
1420
1421 if ( !f ) {
1422 PrintAndLog("File: %s: not found or locked.", filename);
1423 free(keyBlock);
1424 return 1;
1425 }
1426
1427 while( fgets(buf, sizeof(buf), f) ){
1428 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1429
1430 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1431
1432 //The line start with # is comment, skip
1433 if( buf[0]=='#' ) continue;
1434
1435 if (!isxdigit(buf[0])){
1436 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1437 continue;
1438 }
1439
1440 buf[8] = 0;
1441
1442 if ( stKeyBlock - keycnt < 2) {
1443 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1444 if (!p) {
1445 PrintAndLog("Cannot allocate memory for defaultKeys");
1446 free(keyBlock);
1447 fclose(f);
1448 return 2;
1449 }
1450 keyBlock = p;
1451 }
1452 memset(keyBlock + 4 * keycnt, 0, 4);
1453 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1454 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1455 keycnt++;
1456 memset(buf, 0, sizeof(buf));
1457 }
1458 fclose(f);
1459
1460 if (keycnt == 0) {
1461 PrintAndLog("No keys found in file");
1462 free(keyBlock);
1463 return 1;
1464 }
1465 PrintAndLog("Loaded %d keys", keycnt);
1466
1467 // loop
1468 uint64_t testpwd = 0x00;
1469 for (uint16_t c = 0; c < keycnt; ++c ) {
1470
1471 if (ukbhit()) {
1472 ch = getchar();
1473 (void)ch;
1474 printf("\naborted via keyboard!\n");
1475 free(keyBlock);
1476 return 0;
1477 }
1478
1479 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1480
1481 PrintAndLog("Testing %08X", testpwd);
1482
1483
1484 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1485 PrintAndLog("Aquireing data from device failed. Quitting");
1486 free(keyBlock);
1487 return 0;
1488 }
1489
1490 found = tryDetectModulation();
1491
1492 if ( found ) {
1493 PrintAndLog("Found valid password: [%08X]", testpwd);
1494 free(keyBlock);
1495 return 0;
1496 }
1497 }
1498 PrintAndLog("Password NOT found.");
1499 free(keyBlock);
1500 return 0;
1501 }
1502
1503 // Try to read Block 7, first :)
1504
1505 // incremental pwd range search
1506 start_password = param_get32ex(Cmd, 0, 0, 16);
1507 end_password = param_get32ex(Cmd, 1, 0, 16);
1508
1509 if ( start_password >= end_password ) {
1510 free(keyBlock);
1511 return usage_t55xx_bruteforce();
1512 }
1513
1514 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1515
1516 uint32_t i = start_password;
1517
1518 while ((!found) && (i <= end_password)){
1519
1520 printf(".");
1521 fflush(stdout);
1522 if (ukbhit()) {
1523 ch = getchar();
1524 (void)ch;
1525 printf("\naborted via keyboard!\n");
1526 free(keyBlock);
1527 return 0;
1528 }
1529
1530 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1531 PrintAndLog("Aquireing data from device failed. Quitting");
1532 free(keyBlock);
1533 return 0;
1534 }
1535 found = tryDetectModulation();
1536
1537 if (found) break;
1538 i++;
1539 }
1540
1541 PrintAndLog("");
1542
1543 if (found)
1544 PrintAndLog("Found valid password: [%08x]", i);
1545 else
1546 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1547
1548 free(keyBlock);
1549 return 0;
1550 }
1551
1552 static command_t CommandTable[] = {
1553 {"help", CmdHelp, 1, "This help"},
1554 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1555 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1556 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1557 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1558 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1559 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1560 {"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)"},
1561 {"special", special, 0, "Show block changes with 64 different offsets"},
1562 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1563 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1564 {"wipe", CmdT55xxWipe, 0, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1565 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1566 {NULL, NULL, 0, NULL}
1567 };
1568
1569 int CmdLFT55XX(const char *Cmd) {
1570 clearCommandBuffer();
1571 CmdsParse(CommandTable, Cmd);
1572 return 0;
1573 }
1574
1575 int CmdHelp(const char *Cmd) {
1576 CmdsHelp(CommandTable);
1577 return 0;
1578 }
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