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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 <ctype.h>
14 #include <time.h>
15 #include "proxmark3.h"
16 #include "ui.h"
17 #include "graph.h"
18 #include "cmdmain.h"
19 #include "cmdparser.h"
20 #include "cmddata.h"
21 #include "cmdlf.h"
22 #include "cmdlft55xx.h"
23 #include "util.h"
24 #include "data.h"
25 #include "lfdemod.h"
26 #include "cmdhf14a.h" //for getTagInfo
27 #include "protocols.h"
28
29 #define T55x7_CONFIGURATION_BLOCK 0x00
30 #define T55x7_PAGE0 0x00
31 #define T55x7_PAGE1 0x01
32 //#define T55x7_PWD 0x00000010
33 #define REGULAR_READ_MODE_BLOCK 0xFF
34
35 // Default configuration
36 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = false, .offset = 0x00, .block0 = 0x00, .Q5 = false };
37
38 t55xx_conf_block_t Get_t55xx_Config(){
39 return config;
40 }
41 void Set_t55xx_Config(t55xx_conf_block_t conf){
42 config = conf;
43 }
44
45 int usage_t55xx_config(){
46 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
47 PrintAndLog("Options:");
48 PrintAndLog(" h This help");
49 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
50 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
51 PrintAndLog(" i [1] Invert data signal, defaults to normal");
52 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
53 PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
54 PrintAndLog(" ST Set Sequence Terminator on");
55 PrintAndLog("");
56 PrintAndLog("Examples:");
57 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
58 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
59 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
60 PrintAndLog("");
61 return 0;
62 }
63 int usage_t55xx_read(){
64 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
65 PrintAndLog("Options:");
66 PrintAndLog(" b <block> - block number to read. Between 0-7");
67 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
68 PrintAndLog(" o - OPTIONAL override safety check");
69 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
70 PrintAndLog(" ****WARNING****");
71 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
72 PrintAndLog(" can damage the tag");
73 PrintAndLog("");
74 PrintAndLog("Examples:");
75 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
76 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
77 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
78 PrintAndLog("");
79 return 0;
80 }
81 int usage_t55xx_write(){
82 PrintAndLog("Usage: lf t55xx write [b <block>] [d <data>] [p <password>] [1] [t]");
83 PrintAndLog("Options:");
84 PrintAndLog(" b <block> - block number to write. Between 0-7");
85 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
86 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
87 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
88 PrintAndLog(" t - OPTIONAL test mode write - ****DANGER****");
89 PrintAndLog("");
90 PrintAndLog("Examples:");
91 PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");
92 PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
93 PrintAndLog("");
94 return 0;
95 }
96 int usage_t55xx_trace() {
97 PrintAndLog("Usage: lf t55xx trace [1]");
98 PrintAndLog("Options:");
99 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
100 PrintAndLog("");
101 PrintAndLog("Examples:");
102 PrintAndLog(" lf t55xx trace");
103 PrintAndLog(" lf t55xx trace 1");
104 PrintAndLog("");
105 return 0;
106 }
107 int usage_t55xx_info() {
108 PrintAndLog("Usage: lf t55xx info [1]");
109 PrintAndLog("Options:");
110 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
111 PrintAndLog("");
112 PrintAndLog("Examples:");
113 PrintAndLog(" lf t55xx info");
114 PrintAndLog(" lf t55xx info 1");
115 PrintAndLog("");
116 return 0;
117 }
118 int usage_t55xx_dump(){
119 PrintAndLog("Usage: lf t55xx dump <password> [o]");
120 PrintAndLog("Options:");
121 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
122 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
123 PrintAndLog("");
124 PrintAndLog("Examples:");
125 PrintAndLog(" lf t55xx dump");
126 PrintAndLog(" lf t55xx dump feedbeef o");
127 PrintAndLog("");
128 return 0;
129 }
130 int usage_t55xx_detect(){
131 PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
132 PrintAndLog("Options:");
133 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
134 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
135 PrintAndLog("");
136 PrintAndLog("Examples:");
137 PrintAndLog(" lf t55xx detect");
138 PrintAndLog(" lf t55xx detect 1");
139 PrintAndLog(" lf t55xx detect p 11223344");
140 PrintAndLog("");
141 return 0;
142 }
143 int usage_t55xx_detectP1(){
144 PrintAndLog("Command: Detect Page 1 of a t55xx chip");
145 PrintAndLog("Usage: lf t55xx p1detect [1] [p <password>]");
146 PrintAndLog("Options:");
147 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
148 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
149 PrintAndLog("");
150 PrintAndLog("Examples:");
151 PrintAndLog(" lf t55xx p1detect");
152 PrintAndLog(" lf t55xx p1detect 1");
153 PrintAndLog(" lf t55xx p1detect p 11223344");
154 PrintAndLog("");
155 return 0;
156 }
157 int usage_t55xx_wakup(){
158 PrintAndLog("Usage: lf t55xx wakeup [h] <password>");
159 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
160 PrintAndLog("Options:");
161 PrintAndLog(" h - this help");
162 PrintAndLog(" <password> - [required] password 4bytes (8 hex symbols)");
163 PrintAndLog("");
164 PrintAndLog("Examples:");
165 PrintAndLog(" lf t55xx wakeup 11223344 - send wakeup password");
166 return 0;
167 }
168 int usage_t55xx_bruteforce(){
169 PrintAndLog("This command uses A) bruteforce to scan a number range");
170 PrintAndLog(" B) a dictionary attack");
171 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
172 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
173 PrintAndLog("Options:");
174 PrintAndLog(" h - this help");
175 PrintAndLog(" <start_pwd> - 4 byte hex value to start pwd search at");
176 PrintAndLog(" <end_pwd> - 4 byte hex value to end pwd search at");
177 PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");
178 PrintAndLog("");
179 PrintAndLog("Examples:");
180 PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");
181 PrintAndLog(" lf t55xx bruteforce i default_pwd.dic");
182 PrintAndLog("");
183 return 0;
184 }
185 int usage_t55xx_wipe(){
186 PrintAndLog("Usage: lf t55xx wipe [h] [Q5]");
187 PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block");
188 PrintAndLog("Options:");
189 PrintAndLog(" h - this help");
190 PrintAndLog(" Q5 - indicates to use the T5555 (Q5) default configuration block");
191 PrintAndLog("");
192 PrintAndLog("Examples:");
193 PrintAndLog(" lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0");
194 PrintAndLog(" lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004");
195 return 0;
196 }
197
198
199 static int CmdHelp(const char *Cmd);
200
201 void printT5xxHeader(uint8_t page){
202 PrintAndLog("Reading Page %d:", page);
203 PrintAndLog("blk | hex data | binary");
204 PrintAndLog("----+----------+---------------------------------");
205 }
206
207 int CmdT55xxSetConfig(const char *Cmd) {
208
209 uint8_t offset = 0;
210 char modulation[5] = {0x00};
211 char tmp = 0x00;
212 uint8_t bitRate = 0;
213 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
214 uint8_t cmdp = 0;
215 bool errors = false;
216 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
217 {
218 tmp = param_getchar(Cmd, cmdp);
219 switch(tmp)
220 {
221 case 'h':
222 case 'H':
223 return usage_t55xx_config();
224 case 'b':
225 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
226 if ( !errors){
227 uint8_t i = 0;
228 for (; i < 9; i++){
229 if (rates[i]==bitRate) {
230 config.bitrate = i;
231 break;
232 }
233 }
234 if (i==9) errors = true;
235 }
236 cmdp+=2;
237 break;
238 case 'd':
239 param_getstr(Cmd, cmdp+1, modulation, sizeof(modulation));
240 cmdp += 2;
241
242 if ( strcmp(modulation, "FSK" ) == 0) {
243 config.modulation = DEMOD_FSK;
244 } else if ( strcmp(modulation, "FSK1" ) == 0) {
245 config.modulation = DEMOD_FSK1;
246 config.inverted=1;
247 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
248 config.modulation = DEMOD_FSK1a;
249 config.inverted=0;
250 } else if ( strcmp(modulation, "FSK2" ) == 0) {
251 config.modulation = DEMOD_FSK2;
252 config.inverted=0;
253 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
254 config.modulation = DEMOD_FSK2a;
255 config.inverted=1;
256 } else if ( strcmp(modulation, "ASK" ) == 0) {
257 config.modulation = DEMOD_ASK;
258 } else if ( strcmp(modulation, "NRZ" ) == 0) {
259 config.modulation = DEMOD_NRZ;
260 } else if ( strcmp(modulation, "PSK1" ) == 0) {
261 config.modulation = DEMOD_PSK1;
262 } else if ( strcmp(modulation, "PSK2" ) == 0) {
263 config.modulation = DEMOD_PSK2;
264 } else if ( strcmp(modulation, "PSK3" ) == 0) {
265 config.modulation = DEMOD_PSK3;
266 } else if ( strcmp(modulation, "BIa" ) == 0) {
267 config.modulation = DEMOD_BIa;
268 config.inverted=1;
269 } else if ( strcmp(modulation, "BI" ) == 0) {
270 config.modulation = DEMOD_BI;
271 config.inverted=0;
272 } else {
273 PrintAndLog("Unknown modulation '%s'", modulation);
274 errors = true;
275 }
276 break;
277 case 'i':
278 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
279 cmdp+=2;
280 break;
281 case 'o':
282 errors |= param_getdec(Cmd, cmdp+1, &offset);
283 if ( !errors )
284 config.offset = offset;
285 cmdp+=2;
286 break;
287 case 'Q':
288 case 'q':
289 config.Q5 = true;
290 cmdp++;
291 break;
292 case 'S':
293 case 's':
294 config.ST = true;
295 cmdp++;
296 break;
297 default:
298 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
299 errors = true;
300 break;
301 }
302 }
303
304 // No args
305 if (cmdp == 0) return printConfiguration( config );
306
307 //Validations
308 if (errors) return usage_t55xx_config();
309
310 config.block0 = 0;
311 return printConfiguration ( config );
312 }
313
314 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
315 //Password mode
316 if ( usepwd ) {
317 // try reading the config block and verify that PWD bit is set before doing this!
318 if ( !override ) {
319 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
320 if ( !tryDetectModulation() ) {
321 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
322 return 0;
323 } else {
324 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
325 usepwd = false;
326 page1 = false;
327 }
328 } else {
329 PrintAndLog("Safety Check Overriden - proceeding despite risk");
330 }
331 }
332
333 if (!AquireData(page1, block, usepwd, password) ) return 0;
334 if (!DecodeT55xxBlock()) return 0;
335
336 char blk[10]={0};
337 sprintf(blk,"%d", block);
338 printT55xxBlock(blk);
339 return 1;
340 }
341
342 int CmdT55xxReadBlock(const char *Cmd) {
343 uint8_t block = REGULAR_READ_MODE_BLOCK;
344 uint32_t password = 0; //default to blank Block 7
345 bool usepwd = false;
346 bool override = false;
347 bool page1 = false;
348 bool errors = false;
349 uint8_t cmdp = 0;
350 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
351 switch(param_getchar(Cmd, cmdp)) {
352 case 'h':
353 case 'H':
354 return usage_t55xx_read();
355 case 'b':
356 case 'B':
357 errors |= param_getdec(Cmd, cmdp+1, &block);
358 cmdp += 2;
359 break;
360 case 'o':
361 case 'O':
362 override = true;
363 cmdp++;
364 break;
365 case 'p':
366 case 'P':
367 password = param_get32ex(Cmd, cmdp+1, 0, 16);
368 usepwd = true;
369 cmdp += 2;
370 break;
371 case '1':
372 page1 = true;
373 cmdp++;
374 break;
375 default:
376 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
377 errors = true;
378 break;
379 }
380 }
381 if (errors) return usage_t55xx_read();
382
383 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
384 PrintAndLog("Block must be between 0 and 7");
385 return 0;
386 }
387
388 printT5xxHeader(page1);
389 return T55xxReadBlock(block, page1, usepwd, override, password);
390 }
391
392 bool DecodeT55xxBlock(){
393
394 char buf[30] = {0x00};
395 char *cmdStr = buf;
396 int ans = 0;
397 bool ST = config.ST;
398 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
399 DemodBufferLen = 0x00;
400
401 switch( config.modulation ){
402 case DEMOD_FSK:
403 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
404 ans = FSKrawDemod(cmdStr, false);
405 break;
406 case DEMOD_FSK1:
407 case DEMOD_FSK1a:
408 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
409 ans = FSKrawDemod(cmdStr, false);
410 break;
411 case DEMOD_FSK2:
412 case DEMOD_FSK2a:
413 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
414 ans = FSKrawDemod(cmdStr, false);
415 break;
416 case DEMOD_ASK:
417 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
418 ans = ASKDemod_ext(cmdStr, false, false, 1, &ST);
419 break;
420 case DEMOD_PSK1:
421 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
422 save_restoreGB(GRAPH_SAVE);
423 CmdLtrim("160");
424 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
425 ans = PSKDemod(cmdStr, false);
426 //undo trim samples
427 save_restoreGB(GRAPH_RESTORE);
428 break;
429 case DEMOD_PSK2: //inverted won't affect this
430 case DEMOD_PSK3: //not fully implemented
431 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
432 save_restoreGB(GRAPH_SAVE);
433 CmdLtrim("160");
434 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
435 ans = PSKDemod(cmdStr, false);
436 psk1TOpsk2(DemodBuffer, DemodBufferLen);
437 //undo trim samples
438 save_restoreGB(GRAPH_RESTORE);
439 break;
440 case DEMOD_NRZ:
441 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
442 ans = NRZrawDemod(cmdStr, false);
443 break;
444 case DEMOD_BI:
445 case DEMOD_BIa:
446 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
447 ans = ASKbiphaseDemod(cmdStr, false);
448 break;
449 default:
450 return false;
451 }
452 return (bool) ans;
453 }
454
455 bool DecodeT5555TraceBlock() {
456 DemodBufferLen = 0x00;
457
458 // According to datasheet. Always: RF/64, not inverted, Manchester
459 return (bool) ASKDemod("64 0 1", false, false, 1);
460 }
461
462 int CmdT55xxDetect(const char *Cmd){
463 bool errors = false;
464 bool useGB = false;
465 bool usepwd = false;
466 uint32_t password = 0;
467 uint8_t cmdp = 0;
468
469 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
470 switch(param_getchar(Cmd, cmdp)) {
471 case 'h':
472 case 'H':
473 return usage_t55xx_detect();
474 case 'p':
475 case 'P':
476 password = param_get32ex(Cmd, cmdp+1, 0, 16);
477 usepwd = true;
478 cmdp += 2;
479 break;
480 case '1':
481 // use Graphbuffer data
482 useGB = true;
483 cmdp++;
484 break;
485 default:
486 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
487 errors = true;
488 break;
489 }
490 }
491 if (errors) return usage_t55xx_detect();
492
493 if ( !useGB) {
494 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
495 return 0;
496 }
497
498 if ( !tryDetectModulation() )
499 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
500
501 return 1;
502 }
503
504 // detect configuration?
505 bool tryDetectModulation(){
506 uint8_t hits = 0;
507 t55xx_conf_block_t tests[15];
508 int bitRate=0;
509 uint8_t fc1 = 0, fc2 = 0, ans = 0;
510 int clk = 0, firstClockEdge = 0;
511 ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge);
512 if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) {
513 if ( FSKrawDemod("0 0", false) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
514 tests[hits].modulation = DEMOD_FSK;
515 if (fc1==8 && fc2 == 5)
516 tests[hits].modulation = DEMOD_FSK1a;
517 else if (fc1==10 && fc2 == 8)
518 tests[hits].modulation = DEMOD_FSK2;
519 tests[hits].bitrate = bitRate;
520 tests[hits].inverted = false;
521 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
522 tests[hits].ST = false;
523 ++hits;
524 }
525 if ( FSKrawDemod("0 1", false) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
526 tests[hits].modulation = DEMOD_FSK;
527 if (fc1 == 8 && fc2 == 5)
528 tests[hits].modulation = DEMOD_FSK1;
529 else if (fc1 == 10 && fc2 == 8)
530 tests[hits].modulation = DEMOD_FSK2a;
531 tests[hits].bitrate = bitRate;
532 tests[hits].inverted = true;
533 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
534 tests[hits].ST = false;
535 ++hits;
536 }
537 } else {
538 clk = GetAskClock("", false, false);
539 if (clk>0) {
540 tests[hits].ST = true;
541 if ( ASKDemod_ext("0 0 1", false, false, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
542 tests[hits].modulation = DEMOD_ASK;
543 tests[hits].bitrate = bitRate;
544 tests[hits].inverted = false;
545 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
546 ++hits;
547 }
548 tests[hits].ST = true;
549 if ( ASKDemod_ext("0 1 1", false, false, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
550 tests[hits].modulation = DEMOD_ASK;
551 tests[hits].bitrate = bitRate;
552 tests[hits].inverted = true;
553 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
554 ++hits;
555 }
556 if ( ASKbiphaseDemod("0 0 0 2", false) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
557 tests[hits].modulation = DEMOD_BI;
558 tests[hits].bitrate = bitRate;
559 tests[hits].inverted = false;
560 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
561 tests[hits].ST = false;
562 ++hits;
563 }
564 if ( ASKbiphaseDemod("0 0 1 2", false) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
565 tests[hits].modulation = DEMOD_BIa;
566 tests[hits].bitrate = bitRate;
567 tests[hits].inverted = true;
568 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
569 tests[hits].ST = false;
570 ++hits;
571 }
572 }
573 clk = GetNrzClock("", false, false);
574 if (clk>8) { //clock of rf/8 is likely a false positive, so don't use it.
575 if ( NRZrawDemod("0 0 1", false) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
576 tests[hits].modulation = DEMOD_NRZ;
577 tests[hits].bitrate = bitRate;
578 tests[hits].inverted = false;
579 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
580 tests[hits].ST = false;
581 ++hits;
582 }
583
584 if ( NRZrawDemod("0 1 1", false) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
585 tests[hits].modulation = DEMOD_NRZ;
586 tests[hits].bitrate = bitRate;
587 tests[hits].inverted = true;
588 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
589 tests[hits].ST = false;
590 ++hits;
591 }
592 }
593
594 clk = GetPskClock("", false, false);
595 if (clk>0) {
596 // allow undo
597 save_restoreGB(GRAPH_SAVE);
598 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
599 CmdLtrim("160");
600 if ( PSKDemod("0 0 6", false) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
601 tests[hits].modulation = DEMOD_PSK1;
602 tests[hits].bitrate = bitRate;
603 tests[hits].inverted = false;
604 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
605 tests[hits].ST = false;
606 ++hits;
607 }
608 if ( PSKDemod("0 1 6", false) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
609 tests[hits].modulation = DEMOD_PSK1;
610 tests[hits].bitrate = bitRate;
611 tests[hits].inverted = true;
612 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
613 tests[hits].ST = false;
614 ++hits;
615 }
616 // PSK2 - needs a call to psk1TOpsk2.
617 if ( PSKDemod("0 0 6", false)) {
618 psk1TOpsk2(DemodBuffer, DemodBufferLen);
619 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
620 tests[hits].modulation = DEMOD_PSK2;
621 tests[hits].bitrate = bitRate;
622 tests[hits].inverted = false;
623 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
624 tests[hits].ST = false;
625 ++hits;
626 }
627 } // inverse waves does not affect this demod
628 // PSK3 - needs a call to psk1TOpsk2.
629 if ( PSKDemod("0 0 6", false)) {
630 psk1TOpsk2(DemodBuffer, DemodBufferLen);
631 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
632 tests[hits].modulation = DEMOD_PSK3;
633 tests[hits].bitrate = bitRate;
634 tests[hits].inverted = false;
635 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
636 tests[hits].ST = false;
637 ++hits;
638 }
639 } // inverse waves does not affect this demod
640 //undo trim samples
641 save_restoreGB(GRAPH_RESTORE);
642 }
643 }
644 if ( hits == 1) {
645 config.modulation = tests[0].modulation;
646 config.bitrate = tests[0].bitrate;
647 config.inverted = tests[0].inverted;
648 config.offset = tests[0].offset;
649 config.block0 = tests[0].block0;
650 config.Q5 = tests[0].Q5;
651 config.ST = tests[0].ST;
652 printConfiguration( config );
653 return true;
654 }
655
656 if ( hits > 1) {
657 PrintAndLog("Found [%d] possible matches for modulation.",hits);
658 for(int i=0; i<hits; ++i){
659 PrintAndLog("--[%d]---------------", i+1);
660 printConfiguration( tests[i] );
661 }
662 }
663 return false;
664 }
665
666 bool testModulation(uint8_t mode, uint8_t modread){
667 switch( mode ){
668 case DEMOD_FSK:
669 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return true;
670 break;
671 case DEMOD_ASK:
672 if (modread == DEMOD_ASK) return true;
673 break;
674 case DEMOD_PSK1:
675 if (modread == DEMOD_PSK1) return true;
676 break;
677 case DEMOD_PSK2:
678 if (modread == DEMOD_PSK2) return true;
679 break;
680 case DEMOD_PSK3:
681 if (modread == DEMOD_PSK3) return true;
682 break;
683 case DEMOD_NRZ:
684 if (modread == DEMOD_NRZ) return true;
685 break;
686 case DEMOD_BI:
687 if (modread == DEMOD_BI) return true;
688 break;
689 case DEMOD_BIa:
690 if (modread == DEMOD_BIa) return true;
691 break;
692 default:
693 return false;
694 }
695 return false;
696 }
697
698 bool testQ5Modulation(uint8_t mode, uint8_t modread){
699 switch( mode ){
700 case DEMOD_FSK:
701 if (modread >= 4 && modread <= 5) return true;
702 break;
703 case DEMOD_ASK:
704 if (modread == 0) return true;
705 break;
706 case DEMOD_PSK1:
707 if (modread == 1) return true;
708 break;
709 case DEMOD_PSK2:
710 if (modread == 2) return true;
711 break;
712 case DEMOD_PSK3:
713 if (modread == 3) return true;
714 break;
715 case DEMOD_NRZ:
716 if (modread == 7) return true;
717 break;
718 case DEMOD_BI:
719 if (modread == 6) return true;
720 break;
721 default:
722 return false;
723 }
724 return false;
725 }
726
727 int convertQ5bitRate(uint8_t bitRateRead) {
728 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
729 for (int i=0; i<8; i++)
730 if (expected[i] == bitRateRead)
731 return i;
732
733 return -1;
734 }
735
736 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
737
738 if ( DemodBufferLen < 64 ) return false;
739 uint8_t si = 0;
740 for (uint8_t idx = 28; idx < 64; idx++){
741 si = idx;
742 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
743
744 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
745 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
746 // 2nibble must be zeroed.
747 if (safer != 0x6 && safer != 0x9) continue;
748 if ( resv > 0x00) continue;
749 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
750 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
751 si += 1+1;
752 int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate
753 if (bitRate > 128 || bitRate < 8) continue;
754
755 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
756 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
757 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
758 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
759 si += 1+1+2+1;
760 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
761 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
762 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
763 if (maxBlk == 0) continue;
764 //test modulation
765 if (!testQ5Modulation(mode, modread)) continue;
766 if (bitRate != clk) continue;
767 *fndBitRate = convertQ5bitRate(bitRate);
768 if (*fndBitRate < 0) continue;
769 *offset = idx;
770
771 return true;
772 }
773 return false;
774 }
775
776 bool testBitRate(uint8_t readRate, uint8_t clk){
777 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
778 if (expected[readRate] == clk)
779 return true;
780
781 return false;
782 }
783
784 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
785
786 if ( DemodBufferLen < 64 ) return false;
787 uint8_t si = 0;
788 for (uint8_t idx = 28; idx < 64; idx++){
789 si = idx;
790 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
791
792 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
793 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
794 // 2nibble must be zeroed.
795 // moved test to here, since this gets most faults first.
796 if ( resv > 0x00) continue;
797
798 int bitRate = PackBits(si, 6, DemodBuffer); si += 6; //bit rate (includes extended mode part of rate)
799 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
800 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
801 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
802 //uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
803 //uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
804
805 //if extended mode
806 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? true : false;
807
808 if (!extMode) {
809 if (bitRate > 7) continue;
810 if (!testBitRate(bitRate, clk)) continue;
811 } else { //extended mode bitrate = same function to calc bitrate as em4x05
812 if (EM4x05_GET_BITRATE(bitRate) != clk) continue;
813
814 }
815 //test modulation
816 if (!testModulation(mode, modread)) continue;
817 *fndBitRate = bitRate;
818 *offset = idx;
819 *Q5 = false;
820 return true;
821 }
822 if (testQ5(mode, offset, fndBitRate, clk)) {
823 *Q5 = true;
824 return true;
825 }
826 return false;
827 }
828
829 void printT55xxBlock(const char *blockNum){
830
831 uint8_t i = config.offset;
832 uint8_t endpos = 32 + i;
833 uint32_t blockData = 0;
834 uint8_t bits[64] = {0x00};
835
836 if ( !DemodBufferLen) return;
837
838 if ( endpos > DemodBufferLen){
839 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
840 return;
841 }
842
843 for (; i < endpos; ++i)
844 bits[i - config.offset]=DemodBuffer[i];
845
846 blockData = PackBits(0, 32, bits);
847
848 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
849 }
850
851 int special(const char *Cmd) {
852 uint32_t blockData = 0;
853 uint8_t bits[32] = {0x00};
854
855 PrintAndLog("OFFSET | DATA | BINARY");
856 PrintAndLog("----------------------------------------------------");
857 int i,j = 0;
858 for (; j < 64; ++j){
859
860 for (i = 0; i < 32; ++i)
861 bits[i]=DemodBuffer[j+i];
862
863 blockData = PackBits(0, 32, bits);
864
865 PrintAndLog(" %02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
866 }
867 return 0;
868 }
869
870 int printConfiguration( t55xx_conf_block_t b){
871 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
872 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
873 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate, (b.block0 & T55x7_X_MODE && (b.block0>>28==6 || b.block0>>28==9))) );
874 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
875 PrintAndLog("Offset : %d", b.offset);
876 PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" );
877 PrintAndLog("Block0 : 0x%08X", b.block0);
878 PrintAndLog("");
879 return 0;
880 }
881
882 int CmdT55xxWakeUp(const char *Cmd) {
883 uint32_t password = 0;
884 if ( strlen(Cmd) <= 0 ) return usage_t55xx_wakup();
885 char cmdp = param_getchar(Cmd, 0);
886 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wakup();
887
888 password = param_get32ex(Cmd, 0, 0, 16);
889
890 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
891 clearCommandBuffer();
892 SendCommand(&c);
893 PrintAndLog("Wake up command sent. Try read now");
894 return 0;
895 }
896
897 int CmdT55xxWriteBlock(const char *Cmd) {
898 uint8_t block = 0xFF; //default to invalid block
899 uint32_t data = 0; //default to blank Block
900 uint32_t password = 0; //default to blank Block 7
901 bool usepwd = false;
902 bool page1 = false;
903 bool gotdata = false;
904 bool testMode = false;
905 bool errors = false;
906 uint8_t cmdp = 0;
907 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
908 switch(param_getchar(Cmd, cmdp)) {
909 case 'h':
910 case 'H':
911 return usage_t55xx_write();
912 case 'b':
913 case 'B':
914 errors |= param_getdec(Cmd, cmdp+1, &block);
915 cmdp += 2;
916 break;
917 case 'd':
918 case 'D':
919 data = param_get32ex(Cmd, cmdp+1, 0, 16);
920 gotdata = true;
921 cmdp += 2;
922 break;
923 case 'p':
924 case 'P':
925 password = param_get32ex(Cmd, cmdp+1, 0, 16);
926 usepwd = true;
927 cmdp += 2;
928 break;
929 case 't':
930 case 'T':
931 testMode = true;
932 cmdp++;
933 break;
934 case '1':
935 page1 = true;
936 cmdp++;
937 break;
938 default:
939 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
940 errors = true;
941 break;
942 }
943 }
944 if (errors || !gotdata) return usage_t55xx_write();
945
946 if (block > 7) {
947 PrintAndLog("Block number must be between 0 and 7");
948 return 0;
949 }
950
951 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
952 UsbCommand resp;
953 c.d.asBytes[0] = (page1) ? 0x2 : 0;
954 c.d.asBytes[0] |= (testMode) ? 0x4 : 0;
955
956 char pwdStr[16] = {0};
957 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
958
959 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
960
961 //Password mode
962 if (usepwd) {
963 c.arg[2] = password;
964 c.d.asBytes[0] |= 0x1;
965 }
966 clearCommandBuffer();
967 SendCommand(&c);
968 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
969 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
970 return 0;
971 }
972 return 1;
973 }
974
975 int CmdT55xxReadTrace(const char *Cmd) {
976 char cmdp = param_getchar(Cmd, 0);
977 bool pwdmode = false;
978 uint32_t password = 0;
979 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
980 return usage_t55xx_trace();
981
982 if (strlen(Cmd)==0)
983 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
984 return 0;
985
986 if ( config.Q5 ) {
987 if (!DecodeT5555TraceBlock()) return 0;
988 } else {
989 if (!DecodeT55xxBlock()) return 0;
990 }
991
992 if ( !DemodBufferLen ) return 0;
993
994 RepaintGraphWindow();
995 uint8_t repeat = (config.offset > 5) ? 32 : 0;
996
997 uint8_t si = config.offset+repeat;
998 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
999 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
1000
1001 if (config.Q5) {
1002 uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9;
1003
1004 if (hdr != 0x1FF) {
1005 PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
1006 return 0;
1007 }
1008
1009 t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};
1010
1011 data.icr = PackBits(si, 2, DemodBuffer); si += 2;
1012 data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3;
1013
1014 data.lotid = PackBits(si, 4, DemodBuffer); si += 5;
1015 data.lotid <<= 4;
1016 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1017 data.lotid <<= 4;
1018 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1019 data.lotid <<= 4;
1020 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1021 data.lotid <<= 1;
1022 data.lotid |= PackBits(si, 1, DemodBuffer); si += 1;
1023
1024 data.wafer = PackBits(si, 3, DemodBuffer); si += 4;
1025 data.wafer <<= 2;
1026 data.wafer |= PackBits(si, 2, DemodBuffer); si += 2;
1027
1028 data.dw = PackBits(si, 2, DemodBuffer); si += 3;
1029 data.dw <<= 4;
1030 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1031 data.dw <<= 4;
1032 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1033 data.dw <<= 4;
1034 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1035
1036 printT5555Trace(data, repeat);
1037
1038 } else {
1039
1040 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};
1041
1042 data.acl = PackBits(si, 8, DemodBuffer); si += 8;
1043 if ( data.acl != 0xE0 ) {
1044 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
1045 return 0;
1046 }
1047
1048 data.mfc = PackBits(si, 8, DemodBuffer); si += 8;
1049 data.cid = PackBits(si, 5, DemodBuffer); si += 5;
1050 data.icr = PackBits(si, 3, DemodBuffer); si += 3;
1051 data.year = PackBits(si, 4, DemodBuffer); si += 4;
1052 data.quarter = PackBits(si, 2, DemodBuffer); si += 2;
1053 data.lotid = PackBits(si, 14, DemodBuffer); si += 14;
1054 data.wafer = PackBits(si, 5, DemodBuffer); si += 5;
1055 data.dw = PackBits(si, 15, DemodBuffer);
1056
1057 time_t t = time(NULL);
1058 struct tm tm = *localtime(&t);
1059 if ( data.year > tm.tm_year-110)
1060 data.year += 2000;
1061 else
1062 data.year += 2010;
1063
1064 printT55x7Trace(data, repeat);
1065 }
1066 return 0;
1067 }
1068
1069 void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){
1070 PrintAndLog("-- T55x7 Trace Information ----------------------------------");
1071 PrintAndLog("-------------------------------------------------------------");
1072 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);
1073 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));
1074 PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid));
1075 PrintAndLog(" ICR IC Revision : %d", data.icr );
1076 PrintAndLog(" Manufactured");
1077 PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter);
1078 PrintAndLog(" Lot ID : %d", data.lotid );
1079 PrintAndLog(" Wafer number : %d", data.wafer);
1080 PrintAndLog(" Die Number : %d", data.dw);
1081 PrintAndLog("-------------------------------------------------------------");
1082 PrintAndLog(" Raw Data - Page 1");
1083 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1084 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1085 PrintAndLog("-------------------------------------------------------------");
1086
1087 /*
1088 TRACE - BLOCK O
1089 Bits Definition HEX
1090 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
1091 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
1092 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
1093 22-24 ICR IC revision
1094 25-28 YEAR (BCD encoded) 9 (= 2009)
1095 29-30 QUARTER 1,2,3,4
1096 31-32 LOT ID
1097
1098 TRACE - BLOCK 1
1099 1-12 LOT ID
1100 13-17 Wafer number
1101 18-32 DW, die number sequential
1102 */
1103 }
1104
1105 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){
1106 PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");
1107 PrintAndLog("-------------------------------------------------------------");
1108 PrintAndLog(" ICR IC Revision : %d", data.icr );
1109 PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid);
1110 PrintAndLog(" Wafer number : %d", data.wafer);
1111 PrintAndLog(" Die Number : %d", data.dw);
1112 PrintAndLog("-------------------------------------------------------------");
1113 PrintAndLog(" Raw Data - Page 1");
1114 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1115 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1116
1117 /*
1118 ** Q5 **
1119 TRACE - BLOCK O and BLOCK1
1120 Bits Definition HEX
1121 1-9 Header 0x1FF
1122 10-11 IC Revision
1123 12-13 Lot ID char
1124 15-35 Lot ID (NB parity)
1125 36-41 Wafer number (NB parity)
1126 42-58 DW, die number sequential (NB parity)
1127 60-63 Parity bits
1128 64 Always zero
1129 */
1130 }
1131
1132 //need to add Q5 info...
1133 int CmdT55xxInfo(const char *Cmd){
1134 /*
1135 Page 0 Block 0 Configuration data.
1136 Normal mode
1137 Extended mode
1138 */
1139 bool pwdmode = false;
1140 uint32_t password = 0;
1141 char cmdp = param_getchar(Cmd, 0);
1142
1143 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
1144 return usage_t55xx_info();
1145
1146 if (strlen(Cmd)==0)
1147 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1148 return 1;
1149
1150 if (!DecodeT55xxBlock()) return 1;
1151
1152 // too little space to start with
1153 if ( DemodBufferLen < 32) return 1;
1154
1155 uint8_t si = config.offset;
1156 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1157
1158 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1159 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1160 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1161 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1162 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1163 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1164 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1165 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1166 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1167 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1168 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1169 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1170 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1171 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1172
1173 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1174 PrintAndLog("");
1175 PrintAndLog("-- T55x7 Configuration & Tag Information --------------------");
1176 PrintAndLog("-------------------------------------------------------------");
1177 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1178 PrintAndLog(" reserved : %d", resv);
1179 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr, extend));
1180 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1181 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1182 PrintAndLog(" PSK clock frequency : %d", pskcf);
1183 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1184 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1185 PrintAndLog(" Max block : %d", maxblk);
1186 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1187 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1188 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1189 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1190 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1191 PrintAndLog("-------------------------------------------------------------");
1192 PrintAndLog(" Raw Data - Page 0");
1193 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1194 PrintAndLog("-------------------------------------------------------------");
1195
1196 return 0;
1197 }
1198
1199 int CmdT55xxDump(const char *Cmd){
1200
1201 uint32_t password = 0;
1202 char cmdp = param_getchar(Cmd, 0);
1203 bool override = false;
1204 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1205
1206 bool usepwd = ( strlen(Cmd) > 0);
1207 if ( usepwd ){
1208 password = param_get32ex(Cmd, 0, 0, 16);
1209 if (param_getchar(Cmd, 1) =='o' )
1210 override = true;
1211 }
1212
1213 printT5xxHeader(0);
1214 for ( uint8_t i = 0; i <8; ++i)
1215 T55xxReadBlock(i, 0, usepwd, override, password);
1216
1217 printT5xxHeader(1);
1218 for ( uint8_t i = 0; i<4; i++)
1219 T55xxReadBlock(i, 1, usepwd, override, password);
1220
1221 return 1;
1222 }
1223
1224 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1225 // arg0 bitmodes:
1226 // bit0 = pwdmode
1227 // bit1 = page to read from
1228 uint8_t arg0 = (page<<1) | pwdmode;
1229 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1230
1231 clearCommandBuffer();
1232 SendCommand(&c);
1233 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1234 PrintAndLog("command execution time out");
1235 return 0;
1236 }
1237 getSamples(12000,true);
1238 return 1;
1239 }
1240
1241 char * GetBitRateStr(uint32_t id, bool xmode) {
1242 static char buf[25];
1243
1244 char *retStr = buf;
1245 if (xmode) { //xmode bitrate calc is same as em4x05 calc
1246 snprintf(retStr,sizeof(buf),"%d - RF/%d", id, EM4x05_GET_BITRATE(id));
1247 } else {
1248 switch (id) {
1249 case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
1250 case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
1251 case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
1252 case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
1253 case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
1254 case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
1255 case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
1256 case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
1257 default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
1258 }
1259 }
1260 return buf;
1261 }
1262
1263 char * GetSaferStr(uint32_t id) {
1264 static char buf[40];
1265 char *retStr = buf;
1266
1267 snprintf(retStr,sizeof(buf),"%d",id);
1268 if (id == 6) {
1269 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1270 }
1271 if (id == 9 ){
1272 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1273 }
1274
1275 return buf;
1276 }
1277
1278 char * GetModulationStr( uint32_t id){
1279 static char buf[60];
1280 char *retStr = buf;
1281
1282 switch (id){
1283 case 0: snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break;
1284 case 1: snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break;
1285 case 2: snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break;
1286 case 3: snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break;
1287 case 4: snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break;
1288 case 5: snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break;
1289 case 6: snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break;
1290 case 7: snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break;
1291 case 8: snprintf(retStr,sizeof(buf),"%d - Manchester",id); break;
1292 case 16: snprintf(retStr,sizeof(buf),"%d - Biphase",id); break;
1293 case 0x18: snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break;
1294 case 17: snprintf(retStr,sizeof(buf),"%d - Reserved",id); break;
1295 default: snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); break;
1296 }
1297 return buf;
1298 }
1299
1300 char * GetModelStrFromCID(uint32_t cid){
1301
1302 static char buf[10];
1303 char *retStr = buf;
1304
1305 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1306 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1307 return buf;
1308 }
1309
1310 char * GetSelectedModulationStr( uint8_t id){
1311
1312 static char buf[20];
1313 char *retStr = buf;
1314
1315 switch (id) {
1316 case DEMOD_FSK: snprintf(retStr,sizeof(buf),"FSK"); break;
1317 case DEMOD_FSK1: snprintf(retStr,sizeof(buf),"FSK1"); break;
1318 case DEMOD_FSK1a: snprintf(retStr,sizeof(buf),"FSK1a"); break;
1319 case DEMOD_FSK2: snprintf(retStr,sizeof(buf),"FSK2"); break;
1320 case DEMOD_FSK2a: snprintf(retStr,sizeof(buf),"FSK2a"); break;
1321 case DEMOD_ASK: snprintf(retStr,sizeof(buf),"ASK"); break;
1322 case DEMOD_NRZ: snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); break;
1323 case DEMOD_PSK1: snprintf(retStr,sizeof(buf),"PSK1"); break;
1324 case DEMOD_PSK2: snprintf(retStr,sizeof(buf),"PSK2"); break;
1325 case DEMOD_PSK3: snprintf(retStr,sizeof(buf),"PSK3"); break;
1326 case DEMOD_BI: snprintf(retStr,sizeof(buf),"BIPHASE"); break;
1327 case DEMOD_BIa: snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); break;
1328 default: snprintf(retStr,sizeof(buf),"(Unknown)"); break;
1329 }
1330 return buf;
1331 }
1332
1333 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
1334
1335 int i = start;
1336 int j = len-1;
1337
1338 if (len > 32) return 0;
1339
1340 uint32_t tmp = 0;
1341 for (; j >= 0; --j, ++i)
1342 tmp |= bits[i] << j;
1343
1344 return tmp;
1345 }
1346
1347 int CmdResetRead(const char *Cmd) {
1348 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1349
1350 clearCommandBuffer();
1351 SendCommand(&c);
1352 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1353 PrintAndLog("command execution time out");
1354 return 0;
1355 }
1356
1357 uint8_t got[BIGBUF_SIZE-1];
1358 GetFromBigBuf(got,sizeof(got),0);
1359 WaitForResponse(CMD_ACK,NULL);
1360 setGraphBuf(got, sizeof(got));
1361 return 1;
1362 }
1363
1364 int CmdT55xxWipe(const char *Cmd) {
1365 char writeData[20] = {0};
1366 char *ptrData = writeData;
1367
1368 char cmdp = param_getchar(Cmd, 0);
1369 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();
1370
1371 bool Q5 = (cmdp == 'q' || cmdp == 'Q');
1372
1373 // Try with the default password to reset block 0
1374 // With a pwd should work even if pwd bit not set
1375 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1376
1377 if ( Q5 ){
1378 snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0");
1379 } else {
1380 snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0");
1381 }
1382
1383 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");
1384
1385 for (uint8_t blk = 1; blk<8; blk++) {
1386 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1387 if (!CmdT55xxWriteBlock(ptrData))
1388 PrintAndLog("Error writing blk %d", blk);
1389
1390 memset(writeData, 0x00, sizeof(writeData));
1391 }
1392 return 0;
1393 }
1394
1395 int CmdT55xxBruteForce(const char *Cmd) {
1396
1397 // load a default pwd file.
1398 char buf[9];
1399 char filename[FILE_PATH_SIZE]={0};
1400 int keycnt = 0;
1401 int ch;
1402 uint8_t stKeyBlock = 20;
1403 uint8_t *keyBlock = NULL, *p = NULL;
1404 uint32_t start_password = 0x00000000; //start password
1405 uint32_t end_password = 0xFFFFFFFF; //end password
1406 bool found = false;
1407
1408 char cmdp = param_getchar(Cmd, 0);
1409 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1410
1411 keyBlock = calloc(stKeyBlock, 6);
1412 if (keyBlock == NULL) return 1;
1413
1414 if (cmdp == 'i' || cmdp == 'I') {
1415
1416 int len = strlen(Cmd+2);
1417 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1418 memcpy(filename, Cmd+2, len);
1419
1420 FILE * f = fopen( filename , "r");
1421
1422 if ( !f ) {
1423 PrintAndLog("File: %s: not found or locked.", filename);
1424 free(keyBlock);
1425 return 1;
1426 }
1427
1428 while( fgets(buf, sizeof(buf), f) ) {
1429 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1430
1431 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1432
1433 //The line start with # is comment, skip
1434 if( buf[0]=='#' ) continue;
1435
1436 if (!isxdigit(buf[0])) {
1437 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1438 continue;
1439 }
1440
1441 buf[8] = 0;
1442
1443 if ( stKeyBlock - keycnt < 2) {
1444 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1445 if (!p) {
1446 PrintAndLog("Cannot allocate memory for defaultKeys");
1447 free(keyBlock);
1448 fclose(f);
1449 return 2;
1450 }
1451 keyBlock = p;
1452 }
1453 memset(keyBlock + 4 * keycnt, 0, 4);
1454 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1455 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1456 keycnt++;
1457 memset(buf, 0, sizeof(buf));
1458 }
1459 fclose(f);
1460
1461 if (keycnt == 0) {
1462 PrintAndLog("No keys found in file");
1463 free(keyBlock);
1464 return 1;
1465 }
1466 PrintAndLog("Loaded %d keys", keycnt);
1467
1468 // loop
1469 uint64_t testpwd = 0x00;
1470 for (uint16_t c = 0; c < keycnt; ++c ) {
1471
1472 if (ukbhit()) {
1473 ch = getchar();
1474 (void)ch;
1475 printf("\naborted via keyboard!\n");
1476 free(keyBlock);
1477 return 0;
1478 }
1479
1480 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1481
1482 PrintAndLog("Testing %08X", testpwd);
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 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1514
1515 uint32_t i = start_password;
1516
1517 while ((!found) && (i <= end_password)) {
1518
1519 printf(".");
1520 fflush(stdout);
1521 if (ukbhit()) {
1522 ch = getchar();
1523 (void)ch;
1524 printf("\naborted via keyboard!\n");
1525 free(keyBlock);
1526 return 0;
1527 }
1528
1529 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, i)) {
1530 PrintAndLog("Aquireing data from device failed. Quitting");
1531 free(keyBlock);
1532 return 0;
1533 }
1534 found = tryDetectModulation();
1535
1536 if (found) break;
1537 i++;
1538 }
1539
1540 PrintAndLog("");
1541
1542 if (found)
1543 PrintAndLog("Found valid password: [%08x]", i);
1544 else
1545 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1546
1547 free(keyBlock);
1548 return 0;
1549 }
1550
1551 // note length of data returned is different for different chips.
1552 // some return all page 1 (64 bits) and others return just that block (32 bits)
1553 // unfortunately the 64 bits makes this more likely to get a false positive...
1554 bool tryDetectP1(bool getData) {
1555 uint8_t preamble[] = {1,1,1,0,0,0,0,0,0,0,0,1,0,1,0,1};
1556 size_t startIdx = 0;
1557 uint8_t fc1 = 0, fc2 = 0, ans = 0;
1558 int clk = 0, firstClockEdge = 0;
1559 bool st = true;
1560
1561 if ( getData ) {
1562 if ( !AquireData(T55x7_PAGE1, 1, false, 0) )
1563 return false;
1564 }
1565
1566 // try fsk clock detect. if successful it cannot be any other type of modulation... (in theory...)
1567 ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge);
1568 if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) {
1569 if ( FSKrawDemod("0 0", false) &&
1570 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1571 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1572 return true;
1573 }
1574 if ( FSKrawDemod("0 1", false) &&
1575 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1576 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1577 return true;
1578 }
1579 return false;
1580 }
1581
1582 // try psk clock detect. if successful it cannot be any other type of modulation... (in theory...)
1583 clk = GetPskClock("", false, false);
1584 if (clk>0) {
1585 // allow undo
1586 // save_restoreGB(1);
1587 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
1588 //CmdLtrim("160");
1589 if ( PSKDemod("0 0 6", false) &&
1590 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1591 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1592 //save_restoreGB(0);
1593 return true;
1594 }
1595 if ( PSKDemod("0 1 6", false) &&
1596 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1597 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1598 //save_restoreGB(0);
1599 return true;
1600 }
1601 // PSK2 - needs a call to psk1TOpsk2.
1602 if ( PSKDemod("0 0 6", false)) {
1603 psk1TOpsk2(DemodBuffer, DemodBufferLen);
1604 if (preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1605 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1606 //save_restoreGB(0);
1607 return true;
1608 }
1609 } // inverse waves does not affect PSK2 demod
1610 //undo trim samples
1611 //save_restoreGB(0);
1612 // no other modulation clocks = 2 or 4 so quit searching
1613 if (fc1 != 8) return false;
1614 }
1615
1616 // try ask clock detect. it could be another type even if successful.
1617 clk = GetAskClock("", false, false);
1618 if (clk>0) {
1619 if ( ASKDemod_ext("0 0 1", false, false, 1, &st) &&
1620 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1621 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1622 return true;
1623 }
1624 st = true;
1625 if ( ASKDemod_ext("0 1 1", false, false, 1, &st) &&
1626 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1627 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1628 return true;
1629 }
1630 if ( ASKbiphaseDemod("0 0 0 2", false) &&
1631 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1632 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1633 return true;
1634 }
1635 if ( ASKbiphaseDemod("0 0 1 2", false) &&
1636 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1637 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1638 return true;
1639 }
1640 }
1641
1642 // try NRZ clock detect. it could be another type even if successful.
1643 clk = GetNrzClock("", false, false); //has the most false positives :(
1644 if (clk>0) {
1645 if ( NRZrawDemod("0 0 1", false) &&
1646 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1647 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1648 return true;
1649 }
1650 if ( NRZrawDemod("0 1 1", false) &&
1651 preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
1652 (DemodBufferLen == 32 || DemodBufferLen == 64) ) {
1653 return true;
1654 }
1655 }
1656 return false;
1657 }
1658 // does this need to be a callable command?
1659 int CmdT55xxDetectPage1(const char *Cmd){
1660 bool errors = false;
1661 bool useGB = false;
1662 bool usepwd = false;
1663 uint32_t password = 0;
1664 uint8_t cmdp = 0;
1665
1666 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
1667 switch(param_getchar(Cmd, cmdp)) {
1668 case 'h':
1669 case 'H':
1670 return usage_t55xx_detectP1();
1671 case 'p':
1672 case 'P':
1673 password = param_get32ex(Cmd, cmdp+1, 0, 16);
1674 usepwd = true;
1675 cmdp += 2;
1676 break;
1677 case '1':
1678 // use Graphbuffer data
1679 useGB = true;
1680 cmdp++;
1681 break;
1682 default:
1683 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1684 errors = true;
1685 break;
1686 }
1687 }
1688 if (errors) return usage_t55xx_detectP1();
1689
1690 if ( !useGB ) {
1691 if ( !AquireData(T55x7_PAGE1, 1, usepwd, password) )
1692 return false;
1693 }
1694 bool success = tryDetectP1(false);
1695 if (success) PrintAndLog("T55xx chip found!");
1696 return success;
1697 }
1698
1699 static command_t CommandTable[] = {
1700 {"help", CmdHelp, 1, "This help"},
1701 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1702 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1703 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1704 {"p1detect", CmdT55xxDetectPage1,1, "[1] Try detecting if this is a t55xx tag by reading page 1"},
1705 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1706 {"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)"},
1707 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1708 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1709 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1710 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1711 {"special", special, 0, "Show block changes with 64 different offsets"},
1712 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1713 {"wipe", CmdT55xxWipe, 0, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1714 {NULL, NULL, 0, NULL}
1715 };
1716
1717 int CmdLFT55XX(const char *Cmd) {
1718 CmdsParse(CommandTable, Cmd);
1719 return 0;
1720 }
1721
1722 int CmdHelp(const char *Cmd) {
1723 CmdsHelp(CommandTable);
1724 return 0;
1725 }
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