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split fdx-b demod to its own file
[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 <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
28 #define T55x7_CONFIGURATION_BLOCK 0x00
29 #define T55x7_PAGE0 0x00
30 #define T55x7_PAGE1 0x01
31 //#define T55x7_PWD 0x00000010
32 #define REGULAR_READ_MODE_BLOCK 0xFF
33
34 // Default configuration
35 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = false, .offset = 0x00, .block0 = 0x00, .Q5 = false };
36
37 t55xx_conf_block_t Get_t55xx_Config(){
38 return config;
39 }
40 void Set_t55xx_Config(t55xx_conf_block_t conf){
41 config = conf;
42 }
43
44 int usage_t55xx_config(){
45 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
46 PrintAndLog("Options:");
47 PrintAndLog(" h This help");
48 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
49 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
50 PrintAndLog(" i [1] Invert data signal, defaults to normal");
51 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
52 PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
53 PrintAndLog(" ST Set Sequence Terminator on");
54 PrintAndLog("");
55 PrintAndLog("Examples:");
56 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
57 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
58 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
59 PrintAndLog("");
60 return 0;
61 }
62 int usage_t55xx_read(){
63 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
64 PrintAndLog("Options:");
65 PrintAndLog(" b <block> - block number to read. Between 0-7");
66 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
67 PrintAndLog(" o - OPTIONAL override safety check");
68 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
69 PrintAndLog(" ****WARNING****");
70 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
71 PrintAndLog(" can damage the tag");
72 PrintAndLog("");
73 PrintAndLog("Examples:");
74 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
75 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
76 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
77 PrintAndLog("");
78 return 0;
79 }
80 int usage_t55xx_write(){
81 PrintAndLog("Usage: lf t55xx write [b <block>] [d <data>] [p <password>] [1]");
82 PrintAndLog("Options:");
83 PrintAndLog(" b <block> - block number to write. Between 0-7");
84 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
85 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
86 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
87 PrintAndLog("");
88 PrintAndLog("Examples:");
89 PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");
90 PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
91 PrintAndLog("");
92 return 0;
93 }
94 int usage_t55xx_trace() {
95 PrintAndLog("Usage: lf t55xx trace [1]");
96 PrintAndLog("Options:");
97 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
98 PrintAndLog("");
99 PrintAndLog("Examples:");
100 PrintAndLog(" lf t55xx trace");
101 PrintAndLog(" lf t55xx trace 1");
102 PrintAndLog("");
103 return 0;
104 }
105 int usage_t55xx_info() {
106 PrintAndLog("Usage: lf t55xx info [1]");
107 PrintAndLog("Options:");
108 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
109 PrintAndLog("");
110 PrintAndLog("Examples:");
111 PrintAndLog(" lf t55xx info");
112 PrintAndLog(" lf t55xx info 1");
113 PrintAndLog("");
114 return 0;
115 }
116 int usage_t55xx_dump(){
117 PrintAndLog("Usage: lf t55xx dump <password> [o]");
118 PrintAndLog("Options:");
119 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
120 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
121 PrintAndLog("");
122 PrintAndLog("Examples:");
123 PrintAndLog(" lf t55xx dump");
124 PrintAndLog(" lf t55xx dump feedbeef o");
125 PrintAndLog("");
126 return 0;
127 }
128 int usage_t55xx_detect(){
129 PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
130 PrintAndLog("Options:");
131 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
132 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
133 PrintAndLog("");
134 PrintAndLog("Examples:");
135 PrintAndLog(" lf t55xx detect");
136 PrintAndLog(" lf t55xx detect 1");
137 PrintAndLog(" lf t55xx detect p 11223344");
138 PrintAndLog("");
139 return 0;
140 }
141 int usage_t55xx_wakup(){
142 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
143 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
144 PrintAndLog("Options:");
145 PrintAndLog(" h - this help");
146 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
147 PrintAndLog("");
148 PrintAndLog("Examples:");
149 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
150 return 0;
151 }
152 int usage_t55xx_bruteforce(){
153 PrintAndLog("This command uses A) bruteforce to scan a number range");
154 PrintAndLog(" B) a dictionary attack");
155 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
156 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
157 PrintAndLog("Options:");
158 PrintAndLog(" h - this help");
159 PrintAndLog(" <start_pwd> - 4 byte hex value to start pwd search at");
160 PrintAndLog(" <end_pwd> - 4 byte hex value to end pwd search at");
161 PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");
162 PrintAndLog("");
163 PrintAndLog("Examples:");
164 PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");
165 PrintAndLog(" lf t55xx bruteforce i default_pwd.dic");
166 PrintAndLog("");
167 return 0;
168 }
169 int usage_t55xx_wipe(){
170 PrintAndLog("Usage: lf t55xx wipe [h] [Q5]");
171 PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block");
172 PrintAndLog("Options:");
173 PrintAndLog(" h - this help");
174 PrintAndLog(" Q5 - indicates to use the T5555 (Q5) default configuration block");
175 PrintAndLog("");
176 PrintAndLog("Examples:");
177 PrintAndLog(" lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0");
178 PrintAndLog(" lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004");
179 return 0;
180 }
181
182
183 static int CmdHelp(const char *Cmd);
184
185 void printT5xxHeader(uint8_t page){
186 PrintAndLog("Reading Page %d:", page);
187 PrintAndLog("blk | hex data | binary");
188 PrintAndLog("----+----------+---------------------------------");
189 }
190
191 int CmdT55xxSetConfig(const char *Cmd) {
192
193 uint8_t offset = 0;
194 char modulation[5] = {0x00};
195 char tmp = 0x00;
196 uint8_t bitRate = 0;
197 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
198 uint8_t cmdp = 0;
199 bool errors = false;
200 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
201 {
202 tmp = param_getchar(Cmd, cmdp);
203 switch(tmp)
204 {
205 case 'h':
206 case 'H':
207 return usage_t55xx_config();
208 case 'b':
209 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
210 if ( !errors){
211 uint8_t i = 0;
212 for (; i < 9; i++){
213 if (rates[i]==bitRate) {
214 config.bitrate = i;
215 break;
216 }
217 }
218 if (i==9) errors = true;
219 }
220 cmdp+=2;
221 break;
222 case 'd':
223 param_getstr(Cmd, cmdp+1, modulation);
224 cmdp += 2;
225
226 if ( strcmp(modulation, "FSK" ) == 0) {
227 config.modulation = DEMOD_FSK;
228 } else if ( strcmp(modulation, "FSK1" ) == 0) {
229 config.modulation = DEMOD_FSK1;
230 config.inverted=1;
231 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
232 config.modulation = DEMOD_FSK1a;
233 config.inverted=0;
234 } else if ( strcmp(modulation, "FSK2" ) == 0) {
235 config.modulation = DEMOD_FSK2;
236 config.inverted=0;
237 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
238 config.modulation = DEMOD_FSK2a;
239 config.inverted=1;
240 } else if ( strcmp(modulation, "ASK" ) == 0) {
241 config.modulation = DEMOD_ASK;
242 } else if ( strcmp(modulation, "NRZ" ) == 0) {
243 config.modulation = DEMOD_NRZ;
244 } else if ( strcmp(modulation, "PSK1" ) == 0) {
245 config.modulation = DEMOD_PSK1;
246 } else if ( strcmp(modulation, "PSK2" ) == 0) {
247 config.modulation = DEMOD_PSK2;
248 } else if ( strcmp(modulation, "PSK3" ) == 0) {
249 config.modulation = DEMOD_PSK3;
250 } else if ( strcmp(modulation, "BIa" ) == 0) {
251 config.modulation = DEMOD_BIa;
252 config.inverted=1;
253 } else if ( strcmp(modulation, "BI" ) == 0) {
254 config.modulation = DEMOD_BI;
255 config.inverted=0;
256 } else {
257 PrintAndLog("Unknown modulation '%s'", modulation);
258 errors = true;
259 }
260 break;
261 case 'i':
262 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
263 cmdp+=2;
264 break;
265 case 'o':
266 errors |= param_getdec(Cmd, cmdp+1, &offset);
267 if ( !errors )
268 config.offset = offset;
269 cmdp+=2;
270 break;
271 case 'Q':
272 case 'q':
273 config.Q5 = true;
274 cmdp++;
275 break;
276 case 'S':
277 case 's':
278 config.ST = true;
279 cmdp++;
280 break;
281 default:
282 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
283 errors = true;
284 break;
285 }
286 }
287
288 // No args
289 if (cmdp == 0) return printConfiguration( config );
290
291 //Validations
292 if (errors) return usage_t55xx_config();
293
294 config.block0 = 0;
295 return printConfiguration ( config );
296 }
297
298 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
299 //Password mode
300 if ( usepwd ) {
301 // try reading the config block and verify that PWD bit is set before doing this!
302 if ( !override ) {
303 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
304 if ( !tryDetectModulation() ) {
305 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
306 return 0;
307 } else {
308 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
309 usepwd = false;
310 page1 = false;
311 }
312 } else {
313 PrintAndLog("Safety Check Overriden - proceeding despite risk");
314 }
315 }
316
317 if (!AquireData(page1, block, usepwd, password) ) return 0;
318 if (!DecodeT55xxBlock()) return 0;
319
320 char blk[10]={0};
321 sprintf(blk,"%d", block);
322 printT55xxBlock(blk);
323 return 1;
324 }
325
326 int CmdT55xxReadBlock(const char *Cmd) {
327 uint8_t block = REGULAR_READ_MODE_BLOCK;
328 uint32_t password = 0; //default to blank Block 7
329 bool usepwd = false;
330 bool override = false;
331 bool page1 = false;
332 bool errors = false;
333 uint8_t cmdp = 0;
334 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
335 switch(param_getchar(Cmd, cmdp)) {
336 case 'h':
337 case 'H':
338 return usage_t55xx_read();
339 case 'b':
340 case 'B':
341 errors |= param_getdec(Cmd, cmdp+1, &block);
342 cmdp += 2;
343 break;
344 case 'o':
345 case 'O':
346 override = true;
347 cmdp++;
348 break;
349 case 'p':
350 case 'P':
351 password = param_get32ex(Cmd, cmdp+1, 0, 16);
352 usepwd = true;
353 cmdp += 2;
354 break;
355 case '1':
356 page1 = true;
357 cmdp++;
358 break;
359 default:
360 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
361 errors = true;
362 break;
363 }
364 }
365 if (errors) return usage_t55xx_read();
366
367 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
368 PrintAndLog("Block must be between 0 and 7");
369 return 0;
370 }
371
372 printT5xxHeader(page1);
373 return T55xxReadBlock(block, page1, usepwd, override, password);
374 }
375
376 bool DecodeT55xxBlock(){
377
378 char buf[30] = {0x00};
379 char *cmdStr = buf;
380 int ans = 0;
381 bool ST = config.ST;
382 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
383 DemodBufferLen = 0x00;
384
385 switch( config.modulation ){
386 case DEMOD_FSK:
387 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
388 ans = FSKrawDemod(cmdStr, false);
389 break;
390 case DEMOD_FSK1:
391 case DEMOD_FSK1a:
392 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
393 ans = FSKrawDemod(cmdStr, false);
394 break;
395 case DEMOD_FSK2:
396 case DEMOD_FSK2a:
397 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
398 ans = FSKrawDemod(cmdStr, false);
399 break;
400 case DEMOD_ASK:
401 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
402 ans = ASKDemod_ext(cmdStr, false, false, 1, &ST);
403 break;
404 case DEMOD_PSK1:
405 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
406 save_restoreGB(1);
407 CmdLtrim("160");
408 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
409 ans = PSKDemod(cmdStr, false);
410 //undo trim samples
411 save_restoreGB(0);
412 break;
413 case DEMOD_PSK2: //inverted won't affect this
414 case DEMOD_PSK3: //not fully implemented
415 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
416 save_restoreGB(1);
417 CmdLtrim("160");
418 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
419 ans = PSKDemod(cmdStr, false);
420 psk1TOpsk2(DemodBuffer, DemodBufferLen);
421 //undo trim samples
422 save_restoreGB(0);
423 break;
424 case DEMOD_NRZ:
425 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
426 ans = NRZrawDemod(cmdStr, false);
427 break;
428 case DEMOD_BI:
429 case DEMOD_BIa:
430 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
431 ans = ASKbiphaseDemod(cmdStr, false);
432 break;
433 default:
434 return false;
435 }
436 return (bool) ans;
437 }
438
439 bool DecodeT5555TraceBlock() {
440 DemodBufferLen = 0x00;
441
442 // According to datasheet. Always: RF/64, not inverted, Manchester
443 return (bool) ASKDemod("64 0 1", false, false, 1);
444 }
445
446 int CmdT55xxDetect(const char *Cmd){
447 bool errors = false;
448 bool useGB = false;
449 bool usepwd = false;
450 uint32_t password = 0;
451 uint8_t cmdp = 0;
452
453 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
454 switch(param_getchar(Cmd, cmdp)) {
455 case 'h':
456 case 'H':
457 return usage_t55xx_detect();
458 case 'p':
459 case 'P':
460 password = param_get32ex(Cmd, cmdp+1, 0, 16);
461 usepwd = true;
462 cmdp += 2;
463 break;
464 case '1':
465 // use Graphbuffer data
466 useGB = true;
467 cmdp++;
468 break;
469 default:
470 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
471 errors = true;
472 break;
473 }
474 }
475 if (errors) return usage_t55xx_detect();
476
477 if ( !useGB) {
478 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
479 return 0;
480 }
481
482 if ( !tryDetectModulation() )
483 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
484
485 return 1;
486 }
487
488 // detect configuration?
489 bool tryDetectModulation(){
490 uint8_t hits = 0;
491 t55xx_conf_block_t tests[15];
492 int bitRate=0;
493 uint8_t fc1 = 0, fc2 = 0, clk=0;
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 = true;
870 while(param_getchar(Cmd, cmdp) != 0x00) {
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, 0xFFFFFFFF, 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')
972 return usage_t55xx_trace();
973
974 if (strlen(Cmd)==0)
975 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
976 return 0;
977
978 if ( config.Q5 ) {
979 if (!DecodeT5555TraceBlock()) return 0;
980 } else {
981 if (!DecodeT55xxBlock()) return 0;
982 }
983
984 if ( !DemodBufferLen ) return 0;
985
986 RepaintGraphWindow();
987 uint8_t repeat = (config.offset > 5) ? 32 : 0;
988
989 uint8_t si = config.offset+repeat;
990 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
991 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
992
993 if (config.Q5) {
994 uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9;
995
996 if (hdr != 0x1FF) {
997 PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
998 return 0;
999 }
1000
1001 t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};
1002
1003 data.icr = PackBits(si, 2, DemodBuffer); si += 2;
1004 data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3;
1005
1006 data.lotid = PackBits(si, 4, DemodBuffer); si += 5;
1007 data.lotid <<= 4;
1008 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1009 data.lotid <<= 4;
1010 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1011 data.lotid <<= 4;
1012 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
1013 data.lotid <<= 1;
1014 data.lotid |= PackBits(si, 1, DemodBuffer); si += 1;
1015
1016 data.wafer = PackBits(si, 3, DemodBuffer); si += 4;
1017 data.wafer <<= 2;
1018 data.wafer |= PackBits(si, 2, DemodBuffer); si += 2;
1019
1020 data.dw = PackBits(si, 2, DemodBuffer); si += 3;
1021 data.dw <<= 4;
1022 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1023 data.dw <<= 4;
1024 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1025 data.dw <<= 4;
1026 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1027
1028 printT5555Trace(data, repeat);
1029
1030 } else {
1031
1032 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};
1033
1034 data.acl = PackBits(si, 8, DemodBuffer); si += 8;
1035 if ( data.acl != 0xE0 ) {
1036 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
1037 return 0;
1038 }
1039
1040 data.mfc = PackBits(si, 8, DemodBuffer); si += 8;
1041 data.cid = PackBits(si, 5, DemodBuffer); si += 5;
1042 data.icr = PackBits(si, 3, DemodBuffer); si += 3;
1043 data.year = PackBits(si, 4, DemodBuffer); si += 4;
1044 data.quarter = PackBits(si, 2, DemodBuffer); si += 2;
1045 data.lotid = PackBits(si, 14, DemodBuffer); si += 14;
1046 data.wafer = PackBits(si, 5, DemodBuffer); si += 5;
1047 data.dw = PackBits(si, 15, DemodBuffer);
1048
1049 time_t t = time(NULL);
1050 struct tm tm = *localtime(&t);
1051 if ( data.year > tm.tm_year-110)
1052 data.year += 2000;
1053 else
1054 data.year += 2010;
1055
1056 printT55x7Trace(data, repeat);
1057 }
1058 return 0;
1059 }
1060
1061 void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){
1062 PrintAndLog("-- T55x7 Trace Information ----------------------------------");
1063 PrintAndLog("-------------------------------------------------------------");
1064 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);
1065 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));
1066 PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid));
1067 PrintAndLog(" ICR IC Revision : %d", data.icr );
1068 PrintAndLog(" Manufactured");
1069 PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter);
1070 PrintAndLog(" Lot ID : %d", data.lotid );
1071 PrintAndLog(" Wafer number : %d", data.wafer);
1072 PrintAndLog(" Die Number : %d", data.dw);
1073 PrintAndLog("-------------------------------------------------------------");
1074 PrintAndLog(" Raw Data - Page 1");
1075 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1076 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1077 PrintAndLog("-------------------------------------------------------------");
1078
1079 /*
1080 TRACE - BLOCK O
1081 Bits Definition HEX
1082 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
1083 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
1084 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
1085 22-24 ICR IC revision
1086 25-28 YEAR (BCD encoded) 9 (= 2009)
1087 29-30 QUARTER 1,2,3,4
1088 31-32 LOT ID
1089
1090 TRACE - BLOCK 1
1091 1-12 LOT ID
1092 13-17 Wafer number
1093 18-32 DW, die number sequential
1094 */
1095 }
1096
1097 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){
1098 PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");
1099 PrintAndLog("-------------------------------------------------------------");
1100 PrintAndLog(" ICR IC Revision : %d", data.icr );
1101 PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid);
1102 PrintAndLog(" Wafer number : %d", data.wafer);
1103 PrintAndLog(" Die Number : %d", data.dw);
1104 PrintAndLog("-------------------------------------------------------------");
1105 PrintAndLog(" Raw Data - Page 1");
1106 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1107 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1108
1109 /*
1110 ** Q5 **
1111 TRACE - BLOCK O and BLOCK1
1112 Bits Definition HEX
1113 1-9 Header 0x1FF
1114 10-11 IC Revision
1115 12-13 Lot ID char
1116 15-35 Lot ID (NB parity)
1117 36-41 Wafer number (NB parity)
1118 42-58 DW, die number sequential (NB parity)
1119 60-63 Parity bits
1120 64 Always zero
1121 */
1122 }
1123
1124 //need to add Q5 info...
1125 int CmdT55xxInfo(const char *Cmd){
1126 /*
1127 Page 0 Block 0 Configuration data.
1128 Normal mode
1129 Extended mode
1130 */
1131 bool pwdmode = false;
1132 uint32_t password = 0;
1133 char cmdp = param_getchar(Cmd, 0);
1134
1135 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
1136 return usage_t55xx_info();
1137
1138 if (strlen(Cmd)==0)
1139 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1140 return 1;
1141
1142 if (!DecodeT55xxBlock()) return 1;
1143
1144 // too little space to start with
1145 if ( DemodBufferLen < 32) return 1;
1146
1147 uint8_t si = config.offset;
1148 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1149
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 char cmdp = param_getchar(Cmd, 0);
1195 bool override = false;
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 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
1326
1327 int i = start;
1328 int j = len-1;
1329
1330 if (len > 32) return 0;
1331
1332 uint32_t tmp = 0;
1333 for (; j >= 0; --j, ++i)
1334 tmp |= bits[i] << j;
1335
1336 return tmp;
1337 }
1338
1339 int CmdResetRead(const char *Cmd) {
1340 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1341
1342 clearCommandBuffer();
1343 SendCommand(&c);
1344 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1345 PrintAndLog("command execution time out");
1346 return 0;
1347 }
1348
1349 uint8_t got[BIGBUF_SIZE-1];
1350 GetFromBigBuf(got,sizeof(got),0);
1351 WaitForResponse(CMD_ACK,NULL);
1352 setGraphBuf(got, sizeof(got));
1353 return 1;
1354 }
1355
1356 int CmdT55xxWipe(const char *Cmd) {
1357 char writeData[20] = {0};
1358 char *ptrData = writeData;
1359
1360 char cmdp = param_getchar(Cmd, 0);
1361 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();
1362
1363 bool Q5 = (cmdp == 'q' || cmdp == 'Q');
1364
1365 // Try with the default password to reset block 0
1366 // With a pwd should work even if pwd bit not set
1367 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1368
1369 if ( Q5 ){
1370 snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0");
1371 } else {
1372 snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0");
1373 }
1374
1375 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");
1376
1377 for (uint8_t blk = 1; blk<8; blk++) {
1378 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1379 if (!CmdT55xxWriteBlock(ptrData))
1380 PrintAndLog("Error writing blk %d", blk);
1381
1382 memset(writeData, 0x00, sizeof(writeData));
1383 }
1384 return 0;
1385 }
1386
1387 int CmdT55xxBruteForce(const char *Cmd) {
1388
1389 // load a default pwd file.
1390 char buf[9];
1391 char filename[FILE_PATH_SIZE]={0};
1392 int keycnt = 0;
1393 int ch;
1394 uint8_t stKeyBlock = 20;
1395 uint8_t *keyBlock = NULL, *p = NULL;
1396 uint32_t start_password = 0x00000000; //start password
1397 uint32_t end_password = 0xFFFFFFFF; //end password
1398 bool found = false;
1399
1400 char cmdp = param_getchar(Cmd, 0);
1401 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1402
1403 keyBlock = calloc(stKeyBlock, 6);
1404 if (keyBlock == NULL) return 1;
1405
1406 if (cmdp == 'i' || cmdp == 'I') {
1407
1408 int len = strlen(Cmd+2);
1409 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1410 memcpy(filename, Cmd+2, len);
1411
1412 FILE * f = fopen( filename , "r");
1413
1414 if ( !f ) {
1415 PrintAndLog("File: %s: not found or locked.", filename);
1416 free(keyBlock);
1417 return 1;
1418 }
1419
1420 while( fgets(buf, sizeof(buf), f) ) {
1421 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1422
1423 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1424
1425 //The line start with # is comment, skip
1426 if( buf[0]=='#' ) continue;
1427
1428 if (!isxdigit(buf[0])) {
1429 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1430 continue;
1431 }
1432
1433 buf[8] = 0;
1434
1435 if ( stKeyBlock - keycnt < 2) {
1436 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1437 if (!p) {
1438 PrintAndLog("Cannot allocate memory for defaultKeys");
1439 free(keyBlock);
1440 fclose(f);
1441 return 2;
1442 }
1443 keyBlock = p;
1444 }
1445 memset(keyBlock + 4 * keycnt, 0, 4);
1446 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1447 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1448 keycnt++;
1449 memset(buf, 0, sizeof(buf));
1450 }
1451 fclose(f);
1452
1453 if (keycnt == 0) {
1454 PrintAndLog("No keys found in file");
1455 free(keyBlock);
1456 return 1;
1457 }
1458 PrintAndLog("Loaded %d keys", keycnt);
1459
1460 // loop
1461 uint64_t testpwd = 0x00;
1462 for (uint16_t c = 0; c < keycnt; ++c ) {
1463
1464 if (ukbhit()) {
1465 ch = getchar();
1466 (void)ch;
1467 printf("\naborted via keyboard!\n");
1468 free(keyBlock);
1469 return 0;
1470 }
1471
1472 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1473
1474 PrintAndLog("Testing %08X", testpwd);
1475
1476 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, testpwd)) {
1477 PrintAndLog("Aquireing data from device failed. Quitting");
1478 free(keyBlock);
1479 return 0;
1480 }
1481
1482 found = tryDetectModulation();
1483
1484 if ( found ) {
1485 PrintAndLog("Found valid password: [%08X]", testpwd);
1486 free(keyBlock);
1487 return 0;
1488 }
1489 }
1490 PrintAndLog("Password NOT found.");
1491 free(keyBlock);
1492 return 0;
1493 }
1494
1495 // Try to read Block 7, first :)
1496
1497 // incremental pwd range search
1498 start_password = param_get32ex(Cmd, 0, 0, 16);
1499 end_password = param_get32ex(Cmd, 1, 0, 16);
1500
1501 if ( start_password >= end_password ) {
1502 free(keyBlock);
1503 return usage_t55xx_bruteforce();
1504 }
1505 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1506
1507 uint32_t i = start_password;
1508
1509 while ((!found) && (i <= end_password)) {
1510
1511 printf(".");
1512 fflush(stdout);
1513 if (ukbhit()) {
1514 ch = getchar();
1515 (void)ch;
1516 printf("\naborted via keyboard!\n");
1517 free(keyBlock);
1518 return 0;
1519 }
1520
1521 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, i)) {
1522 PrintAndLog("Aquireing data from device failed. Quitting");
1523 free(keyBlock);
1524 return 0;
1525 }
1526 found = tryDetectModulation();
1527
1528 if (found) break;
1529 i++;
1530 }
1531
1532 PrintAndLog("");
1533
1534 if (found)
1535 PrintAndLog("Found valid password: [%08x]", i);
1536 else
1537 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1538
1539 free(keyBlock);
1540 return 0;
1541 }
1542
1543 static command_t CommandTable[] = {
1544 {"help", CmdHelp, 1, "This help"},
1545 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1546 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1547 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1548 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1549 {"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)"},
1550 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1551 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1552 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1553 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1554 {"special", special, 0, "Show block changes with 64 different offsets"},
1555 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1556 {"wipe", CmdT55xxWipe, 0, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1557 {NULL, NULL, 0, NULL}
1558 };
1559
1560 int CmdLFT55XX(const char *Cmd) {
1561 CmdsParse(CommandTable, Cmd);
1562 return 0;
1563 }
1564
1565 int CmdHelp(const char *Cmd) {
1566 CmdsHelp(CommandTable);
1567 return 0;
1568 }
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