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[proxmark3-svn] / client / cmdlft55xx.c
1 //-----------------------------------------------------------------------------
2 //
3 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
4 // at your option, any later version. See the LICENSE.txt file for the text of
5 // the license.
6 //-----------------------------------------------------------------------------
7 // Low frequency T55xx commands
8 //-----------------------------------------------------------------------------
9
10 #include <stdio.h>
11 #include <string.h>
12 #include <inttypes.h>
13 #include <time.h>
14 #include "proxmark3.h"
15 #include "ui.h"
16 #include "graph.h"
17 #include "cmdmain.h"
18 #include "cmdparser.h"
19 #include "cmddata.h"
20 #include "cmdlf.h"
21 #include "cmdlft55xx.h"
22 #include "util.h"
23 #include "data.h"
24 #include "lfdemod.h"
25 #include "../common/crc.h"
26 #include "../common/iso14443crc.h"
27 #include "cmdhf14a.h"
28
29 #define T55x7_CONFIGURATION_BLOCK 0x00
30 #define T55x7_PAGE0 0x00
31 #define T55x7_PAGE1 0x01
32 #define T55x7_PWD 0x00000010
33 #define REGULAR_READ_MODE_BLOCK 0xFF
34
35 // Default configuration
36 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00, .Q5 = FALSE };
37
38 t55xx_conf_block_t Get_t55xx_Config(){
39 return config;
40 }
41 void Set_t55xx_Config(t55xx_conf_block_t conf){
42 config = conf;
43 }
44
45 int usage_t55xx_config(){
46 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
47 PrintAndLog("Options:");
48 PrintAndLog(" h This help");
49 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
50 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
51 PrintAndLog(" i [1] Invert data signal, defaults to normal");
52 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
53 PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
54 PrintAndLog("");
55 PrintAndLog("Examples:");
56 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
57 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
58 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
59 PrintAndLog("");
60 return 0;
61 }
62 int usage_t55xx_read(){
63 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
64 PrintAndLog("Options:");
65 PrintAndLog(" b <block> - block number to read. Between 0-7");
66 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
67 PrintAndLog(" o - OPTIONAL override safety check");
68 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
69 PrintAndLog(" ****WARNING****");
70 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
71 PrintAndLog(" can damage the tag");
72 PrintAndLog("");
73 PrintAndLog("Examples:");
74 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
75 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
76 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
77 PrintAndLog("");
78 return 0;
79 }
80 int usage_t55xx_write(){
81 PrintAndLog("Usage: lf t55xx wr [b <block>] [d <data>] [p <password>] [1]");
82 PrintAndLog("Options:");
83 PrintAndLog(" b <block> - block number to write. Between 0-7");
84 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
85 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
86 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
87 PrintAndLog("");
88 PrintAndLog("Examples:");
89 PrintAndLog(" lf t55xx wr b 3 d 11223344 - write 11223344 to block 3");
90 PrintAndLog(" lf t55xx wr 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 default:
277 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
278 errors = TRUE;
279 break;
280 }
281 }
282
283 // No args
284 if (cmdp == 0) return printConfiguration( config );
285
286 //Validations
287 if (errors) return usage_t55xx_config();
288
289 config.block0 = 0;
290 return printConfiguration ( config );
291 }
292
293 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
294 //Password mode
295 if ( usepwd ) {
296 // try reading the config block and verify that PWD bit is set before doing this!
297 if ( !override ) {
298 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
299 if ( !tryDetectModulation() ) {
300 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
301 return 0;
302 } else {
303 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
304 usepwd = false;
305 page1 = false;
306 }
307 } else {
308 PrintAndLog("Safety Check Overriden - proceeding despite risk");
309 }
310 }
311
312 if (!AquireData(page1, block, usepwd, password) ) return 0;
313 if (!DecodeT55xxBlock()) return 0;
314
315 char blk[10]={0};
316 sprintf(blk,"%d", block);
317 printT55xxBlock(blk);
318 return 1;
319 }
320
321 int CmdT55xxReadBlock(const char *Cmd) {
322 uint8_t block = REGULAR_READ_MODE_BLOCK;
323 uint32_t password = 0; //default to blank Block 7
324 bool usepwd = false;
325 bool override = false;
326 bool page1 = false;
327 bool errors = false;
328 uint8_t cmdp = 0;
329 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
330 switch(param_getchar(Cmd, cmdp)) {
331 case 'h':
332 case 'H':
333 return usage_t55xx_read();
334 case 'b':
335 case 'B':
336 errors |= param_getdec(Cmd, cmdp+1, &block);
337 cmdp += 2;
338 break;
339 case 'o':
340 case 'O':
341 override = true;
342 cmdp++;
343 break;
344 case 'p':
345 case 'P':
346 password = param_get32ex(Cmd, cmdp+1, 0, 16);
347 usepwd = true;
348 cmdp += 2;
349 break;
350 case '1':
351 page1 = true;
352 cmdp++;
353 break;
354 default:
355 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
356 errors = true;
357 break;
358 }
359 }
360 if (errors) return usage_t55xx_read();
361
362 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
363 PrintAndLog("Block must be between 0 and 7");
364 return 0;
365 }
366
367 printT5xxHeader(page1);
368 return T55xxReadBlock(block, page1, usepwd, override, password);
369 }
370
371 bool DecodeT55xxBlock(){
372
373 char buf[30] = {0x00};
374 char *cmdStr = buf;
375 int ans = 0;
376 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
377 DemodBufferLen = 0x00;
378
379 switch( config.modulation ){
380 case DEMOD_FSK:
381 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
382 ans = FSKrawDemod(cmdStr, FALSE);
383 break;
384 case DEMOD_FSK1:
385 case DEMOD_FSK1a:
386 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
387 ans = FSKrawDemod(cmdStr, FALSE);
388 break;
389 case DEMOD_FSK2:
390 case DEMOD_FSK2a:
391 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
392 ans = FSKrawDemod(cmdStr, FALSE);
393 break;
394 case DEMOD_ASK:
395 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
396 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
397 break;
398 case DEMOD_PSK1:
399 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
400 save_restoreGB(1);
401 CmdLtrim("160");
402 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
403 ans = PSKDemod(cmdStr, FALSE);
404 //undo trim samples
405 save_restoreGB(0);
406 break;
407 case DEMOD_PSK2: //inverted won't affect this
408 case DEMOD_PSK3: //not fully implemented
409 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
410 save_restoreGB(1);
411 CmdLtrim("160");
412 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
413 ans = PSKDemod(cmdStr, FALSE);
414 psk1TOpsk2(DemodBuffer, DemodBufferLen);
415 //undo trim samples
416 save_restoreGB(0);
417 break;
418 case DEMOD_NRZ:
419 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
420 ans = NRZrawDemod(cmdStr, FALSE);
421 break;
422 case DEMOD_BI:
423 case DEMOD_BIa:
424 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
425 ans = ASKbiphaseDemod(cmdStr, FALSE);
426 break;
427 default:
428 return FALSE;
429 }
430 return (bool) ans;
431 }
432
433 bool DecodeT5555TraceBlock() {
434 DemodBufferLen = 0x00;
435
436 // According to datasheet. Always: RF/64, not inverted, Manchester
437 return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1);
438 }
439
440 int CmdT55xxDetect(const char *Cmd){
441 bool errors = FALSE;
442 bool useGB = FALSE;
443 bool usepwd = FALSE;
444 uint32_t password = 0;
445 uint8_t cmdp = 0;
446
447 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
448 switch(param_getchar(Cmd, cmdp)) {
449 case 'h':
450 case 'H':
451 return usage_t55xx_detect();
452 case 'p':
453 case 'P':
454 password = param_get32ex(Cmd, cmdp+1, 0, 16);
455 usepwd = TRUE;
456 cmdp += 2;
457 break;
458 case '1':
459 // use Graphbuffer data
460 useGB = TRUE;
461 cmdp++;
462 break;
463 default:
464 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
465 errors = true;
466 break;
467 }
468 }
469 if (errors) return usage_t55xx_detect();
470
471 if ( !useGB) {
472 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
473 return 0;
474 }
475
476 if ( !tryDetectModulation() )
477 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
478
479 return 1;
480 }
481
482 // detect configuration?
483 bool tryDetectModulation(){
484 uint8_t hits = 0;
485 t55xx_conf_block_t tests[15];
486 int bitRate=0;
487 uint8_t fc1 = 0, fc2 = 0, clk=0;
488
489 if (GetFskClock("", FALSE, FALSE)){
490 fskClocks(&fc1, &fc2, &clk, FALSE);
491 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
492 tests[hits].modulation = DEMOD_FSK;
493 if (fc1==8 && fc2 == 5)
494 tests[hits].modulation = DEMOD_FSK1a;
495 else if (fc1==10 && fc2 == 8)
496 tests[hits].modulation = DEMOD_FSK2;
497 tests[hits].bitrate = bitRate;
498 tests[hits].inverted = FALSE;
499 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
500 ++hits;
501 }
502 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
503 tests[hits].modulation = DEMOD_FSK;
504 if (fc1 == 8 && fc2 == 5)
505 tests[hits].modulation = DEMOD_FSK1;
506 else if (fc1 == 10 && fc2 == 8)
507 tests[hits].modulation = DEMOD_FSK2a;
508 tests[hits].bitrate = bitRate;
509 tests[hits].inverted = TRUE;
510 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
511 ++hits;
512 }
513 } else {
514 clk = GetAskClock("", FALSE, FALSE);
515 if (clk>0) {
516 if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
517 tests[hits].modulation = DEMOD_ASK;
518 tests[hits].bitrate = bitRate;
519 tests[hits].inverted = FALSE;
520 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
521 ++hits;
522 }
523 if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
524 tests[hits].modulation = DEMOD_ASK;
525 tests[hits].bitrate = bitRate;
526 tests[hits].inverted = TRUE;
527 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
528 ++hits;
529 }
530 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
531 tests[hits].modulation = DEMOD_BI;
532 tests[hits].bitrate = bitRate;
533 tests[hits].inverted = FALSE;
534 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
535 ++hits;
536 }
537 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
538 tests[hits].modulation = DEMOD_BIa;
539 tests[hits].bitrate = bitRate;
540 tests[hits].inverted = TRUE;
541 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
542 ++hits;
543 }
544 }
545 //undo trim from ask
546 //save_restoreGB(0);
547 clk = GetNrzClock("", FALSE, FALSE);
548 if (clk>0) {
549 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
550 tests[hits].modulation = DEMOD_NRZ;
551 tests[hits].bitrate = bitRate;
552 tests[hits].inverted = FALSE;
553 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
554 ++hits;
555 }
556
557 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
558 tests[hits].modulation = DEMOD_NRZ;
559 tests[hits].bitrate = bitRate;
560 tests[hits].inverted = TRUE;
561 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
562 ++hits;
563 }
564 }
565
566 // allow undo
567 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
568 save_restoreGB(1);
569 CmdLtrim("160");
570 clk = GetPskClock("", FALSE, FALSE);
571 if (clk>0) {
572 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
573 tests[hits].modulation = DEMOD_PSK1;
574 tests[hits].bitrate = bitRate;
575 tests[hits].inverted = FALSE;
576 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
577 ++hits;
578 }
579 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
580 tests[hits].modulation = DEMOD_PSK1;
581 tests[hits].bitrate = bitRate;
582 tests[hits].inverted = TRUE;
583 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
584 ++hits;
585 }
586 // PSK2 - needs a call to psk1TOpsk2.
587 if ( PSKDemod("0 0 6", FALSE)) {
588 psk1TOpsk2(DemodBuffer, DemodBufferLen);
589 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
590 tests[hits].modulation = DEMOD_PSK2;
591 tests[hits].bitrate = bitRate;
592 tests[hits].inverted = FALSE;
593 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
594 ++hits;
595 }
596 } // inverse waves does not affect this demod
597 // PSK3 - needs a call to psk1TOpsk2.
598 if ( PSKDemod("0 0 6", FALSE)) {
599 psk1TOpsk2(DemodBuffer, DemodBufferLen);
600 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
601 tests[hits].modulation = DEMOD_PSK3;
602 tests[hits].bitrate = bitRate;
603 tests[hits].inverted = FALSE;
604 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
605 ++hits;
606 }
607 } // inverse waves does not affect this demod
608 }
609 //undo trim samples
610 save_restoreGB(0);
611 }
612 if ( hits == 1) {
613 config.modulation = tests[0].modulation;
614 config.bitrate = tests[0].bitrate;
615 config.inverted = tests[0].inverted;
616 config.offset = tests[0].offset;
617 config.block0 = tests[0].block0;
618 config.Q5 = tests[0].Q5;
619 printConfiguration( config );
620 return TRUE;
621 }
622
623 if ( hits > 1) {
624 PrintAndLog("Found [%d] possible matches for modulation.",hits);
625 for(int i=0; i<hits; ++i){
626 PrintAndLog("--[%d]---------------", i+1);
627 printConfiguration( tests[i] );
628 }
629 }
630 return FALSE;
631 }
632
633 bool testModulation(uint8_t mode, uint8_t modread){
634 switch( mode ){
635 case DEMOD_FSK:
636 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
637 break;
638 case DEMOD_ASK:
639 if (modread == DEMOD_ASK) return TRUE;
640 break;
641 case DEMOD_PSK1:
642 if (modread == DEMOD_PSK1) return TRUE;
643 break;
644 case DEMOD_PSK2:
645 if (modread == DEMOD_PSK2) return TRUE;
646 break;
647 case DEMOD_PSK3:
648 if (modread == DEMOD_PSK3) return TRUE;
649 break;
650 case DEMOD_NRZ:
651 if (modread == DEMOD_NRZ) return TRUE;
652 break;
653 case DEMOD_BI:
654 if (modread == DEMOD_BI) return TRUE;
655 break;
656 case DEMOD_BIa:
657 if (modread == DEMOD_BIa) return TRUE;
658 break;
659 default:
660 return FALSE;
661 }
662 return FALSE;
663 }
664
665 bool testQ5Modulation(uint8_t mode, uint8_t modread){
666 switch( mode ){
667 case DEMOD_FSK:
668 if (modread >= 4 && modread <= 5) return TRUE;
669 break;
670 case DEMOD_ASK:
671 if (modread == 0) return TRUE;
672 break;
673 case DEMOD_PSK1:
674 if (modread == 1) return TRUE;
675 break;
676 case DEMOD_PSK2:
677 if (modread == 2) return TRUE;
678 break;
679 case DEMOD_PSK3:
680 if (modread == 3) return TRUE;
681 break;
682 case DEMOD_NRZ:
683 if (modread == 7) return TRUE;
684 break;
685 case DEMOD_BI:
686 if (modread == 6) return TRUE;
687 break;
688 default:
689 return FALSE;
690 }
691 return FALSE;
692 }
693
694 int convertQ5bitRate(uint8_t bitRateRead) {
695 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
696 for (int i=0; i<8; i++)
697 if (expected[i] == bitRateRead)
698 return i;
699
700 return -1;
701 }
702
703 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
704
705 if ( DemodBufferLen < 64 ) return FALSE;
706 uint8_t si = 0;
707 for (uint8_t idx = 28; idx < 64; idx++){
708 si = idx;
709 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
710
711 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
712 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
713 // 2nibble must be zeroed.
714 if (safer != 0x6 && safer != 0x9) continue;
715 if ( resv > 0x00) continue;
716 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
717 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
718 si += 1+1;
719 int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate
720 if (bitRate > 128 || bitRate < 8) continue;
721
722 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
723 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
724 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
725 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
726 si += 1+1+2+1;
727 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
728 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
729 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
730 if (maxBlk == 0) continue;
731 //test modulation
732 if (!testQ5Modulation(mode, modread)) continue;
733 if (bitRate != clk) continue;
734 *fndBitRate = convertQ5bitRate(bitRate);
735 if (*fndBitRate < 0) continue;
736 *offset = idx;
737
738 return TRUE;
739 }
740 return FALSE;
741 }
742
743 bool testBitRate(uint8_t readRate, uint8_t clk){
744 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
745 if (expected[readRate] == clk)
746 return true;
747
748 return false;
749 }
750
751 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
752
753 if ( DemodBufferLen < 64 ) return FALSE;
754 uint8_t si = 0;
755 for (uint8_t idx = 28; idx < 64; idx++){
756 si = idx;
757 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
758
759 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
760 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
761 // 2nibble must be zeroed.
762 // moved test to here, since this gets most faults first.
763 if ( resv > 0x00) continue;
764
765 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
766 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
767 if (bitRate > 7) continue;
768 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
769 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
770 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
771 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
772 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
773
774 //if extended mode
775 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
776
777 if (!extMode){
778 if (nml01 || nml02 || xtRate) continue;
779 }
780 //test modulation
781 if (!testModulation(mode, modread)) continue;
782 if (!testBitRate(bitRate, clk)) continue;
783 *fndBitRate = bitRate;
784 *offset = idx;
785 *Q5 = FALSE;
786 return TRUE;
787 }
788 if (testQ5(mode, offset, fndBitRate, clk)) {
789 *Q5 = TRUE;
790 return TRUE;
791 }
792 return FALSE;
793 }
794
795 void printT55xxBlock(const char *blockNum){
796
797 uint8_t i = config.offset;
798 uint8_t endpos = 32 + i;
799 uint32_t blockData = 0;
800 uint8_t bits[64] = {0x00};
801
802 if ( !DemodBufferLen) return;
803
804 if ( endpos > DemodBufferLen){
805 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
806 return;
807 }
808
809 for (; i < endpos; ++i)
810 bits[i - config.offset]=DemodBuffer[i];
811
812 blockData = PackBits(0, 32, bits);
813
814 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
815 }
816
817 int special(const char *Cmd) {
818 uint32_t blockData = 0;
819 uint8_t bits[32] = {0x00};
820
821 PrintAndLog("OFFSET | DATA | BINARY");
822 PrintAndLog("----------------------------------------------------");
823 int i,j = 0;
824 for (; j < 64; ++j){
825
826 for (i = 0; i < 32; ++i)
827 bits[i]=DemodBuffer[j+i];
828
829 blockData = PackBits(0, 32, bits);
830
831 PrintAndLog(" %02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
832 }
833 return 0;
834 }
835
836 int printConfiguration( t55xx_conf_block_t b){
837 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
838 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
839 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
840 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
841 PrintAndLog("Offset : %d", b.offset);
842 PrintAndLog("Block0 : 0x%08X", b.block0);
843 PrintAndLog("");
844 return 0;
845 }
846
847 int CmdT55xxWakeUp(const char *Cmd) {
848 uint32_t password = 0;
849 uint8_t cmdp = 0;
850 bool errors = true;
851 while(param_getchar(Cmd, cmdp) != 0x00) {
852 switch(param_getchar(Cmd, cmdp)) {
853 case 'h':
854 case 'H':
855 return usage_t55xx_wakup();
856 case 'p':
857 case 'P':
858 password = param_get32ex(Cmd, cmdp+1, 0xFFFFFFFF, 16);
859 cmdp += 2;
860 errors = false;
861 break;
862 default:
863 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
864 errors = true;
865 break;
866 }
867 }
868 if (errors) return usage_t55xx_wakup();
869
870 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
871 clearCommandBuffer();
872 SendCommand(&c);
873 PrintAndLog("Wake up command sent. Try read now");
874 return 0;
875 }
876
877 int CmdT55xxWriteBlock(const char *Cmd) {
878 uint8_t block = 0xFF; //default to invalid block
879 uint32_t data = 0; //default to blank Block
880 uint32_t password = 0; //default to blank Block 7
881 bool usepwd = false;
882 bool page1 = false;
883 bool gotdata = false;
884 bool errors = false;
885 uint8_t cmdp = 0;
886 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
887 switch(param_getchar(Cmd, cmdp)) {
888 case 'h':
889 case 'H':
890 return usage_t55xx_write();
891 case 'b':
892 case 'B':
893 errors |= param_getdec(Cmd, cmdp+1, &block);
894 cmdp += 2;
895 break;
896 case 'd':
897 case 'D':
898 data = param_get32ex(Cmd, cmdp+1, 0, 16);
899 gotdata = true;
900 cmdp += 2;
901 break;
902 case 'p':
903 case 'P':
904 password = param_get32ex(Cmd, cmdp+1, 0, 16);
905 usepwd = true;
906 cmdp += 2;
907 break;
908 case '1':
909 page1 = true;
910 cmdp++;
911 break;
912 default:
913 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
914 errors = true;
915 break;
916 }
917 }
918 if (errors || !gotdata) return usage_t55xx_write();
919
920 if (block > 7) {
921 PrintAndLog("Block number must be between 0 and 7");
922 return 0;
923 }
924
925 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
926 UsbCommand resp;
927 c.d.asBytes[0] = (page1) ? 0x2 : 0;
928
929 char pwdStr[16] = {0};
930 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
931
932 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
933
934 //Password mode
935 if (usepwd) {
936 c.arg[2] = password;
937 c.d.asBytes[0] |= 0x1;
938 }
939 clearCommandBuffer();
940 SendCommand(&c);
941 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
942 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
943 return 0;
944 }
945 return 1;
946 }
947
948 int CmdT55xxReadTrace(const char *Cmd) {
949 char cmdp = param_getchar(Cmd, 0);
950 bool pwdmode = false;
951 uint32_t password = 0;
952 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
953 return usage_t55xx_trace();
954
955 if (strlen(Cmd)==0)
956 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
957 return 0;
958
959 if ( config.Q5 ) {
960 if (!DecodeT5555TraceBlock()) return 0;
961 } else {
962 if (!DecodeT55xxBlock()) return 0;
963 }
964
965 if ( !DemodBufferLen ) return 0;
966
967 RepaintGraphWindow();
968 uint8_t repeat = (config.offset > 5) ? 32 : 0;
969
970 uint8_t si = config.offset+repeat;
971 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
972 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
973
974 if (config.Q5) {
975 uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9;
976
977 if (hdr != 0x1FF) {
978 PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
979 return 0;
980 }
981
982 t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};
983
984 data.icr = PackBits(si, 2, DemodBuffer); si += 2;
985 data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3;
986
987 data.lotid = PackBits(si, 4, DemodBuffer); si += 5;
988 data.lotid <<= 4;
989 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
990 data.lotid <<= 4;
991 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
992 data.lotid <<= 4;
993 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
994 data.lotid <<= 1;
995 data.lotid |= PackBits(si, 1, DemodBuffer); si += 1;
996
997 data.wafer = PackBits(si, 3, DemodBuffer); si += 4;
998 data.wafer <<= 2;
999 data.wafer |= PackBits(si, 2, DemodBuffer); si += 2;
1000
1001 data.dw = PackBits(si, 2, DemodBuffer); si += 3;
1002 data.dw <<= 4;
1003 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1004 data.dw <<= 4;
1005 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1006 data.dw <<= 4;
1007 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1008
1009 printT5555Trace(data, repeat);
1010
1011 } else {
1012
1013 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};
1014
1015 data.acl = PackBits(si, 8, DemodBuffer); si += 8;
1016 if ( data.acl != 0xE0 ) {
1017 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
1018 return 0;
1019 }
1020
1021 data.mfc = PackBits(si, 8, DemodBuffer); si += 8;
1022 data.cid = PackBits(si, 5, DemodBuffer); si += 5;
1023 data.icr = PackBits(si, 3, DemodBuffer); si += 3;
1024 data.year = PackBits(si, 4, DemodBuffer); si += 4;
1025 data.quarter = PackBits(si, 2, DemodBuffer); si += 2;
1026 data.lotid = PackBits(si, 14, DemodBuffer); si += 14;
1027 data.wafer = PackBits(si, 5, DemodBuffer); si += 5;
1028 data.dw = PackBits(si, 15, DemodBuffer);
1029
1030 time_t t = time(NULL);
1031 struct tm tm = *localtime(&t);
1032 if ( data.year > tm.tm_year-110)
1033 data.year += 2000;
1034 else
1035 data.year += 2010;
1036
1037 printT55x7Trace(data, repeat);
1038 }
1039 return 0;
1040 }
1041
1042 void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){
1043 PrintAndLog("-- T55x7 Trace Information ----------------------------------");
1044 PrintAndLog("-------------------------------------------------------------");
1045 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);
1046 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));
1047 PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid));
1048 PrintAndLog(" ICR IC Revision : %d", data.icr );
1049 PrintAndLog(" Manufactured");
1050 PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter);
1051 PrintAndLog(" Lot ID : %d", data.lotid );
1052 PrintAndLog(" Wafer number : %d", data.wafer);
1053 PrintAndLog(" Die Number : %d", data.dw);
1054 PrintAndLog("-------------------------------------------------------------");
1055 PrintAndLog(" Raw Data - Page 1");
1056 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1057 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1058 PrintAndLog("-------------------------------------------------------------");
1059
1060 /*
1061 TRACE - BLOCK O
1062 Bits Definition HEX
1063 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
1064 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
1065 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
1066 22-24 ICR IC revision
1067 25-28 YEAR (BCD encoded) 9 (= 2009)
1068 29-30 QUARTER 1,2,3,4
1069 31-32 LOT ID
1070
1071 TRACE - BLOCK 1
1072 1-12 LOT ID
1073 13-17 Wafer number
1074 18-32 DW, die number sequential
1075 */
1076 }
1077
1078 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){
1079 PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");
1080 PrintAndLog("-------------------------------------------------------------");
1081 PrintAndLog(" ICR IC Revision : %d", data.icr );
1082 PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid);
1083 PrintAndLog(" Wafer number : %d", data.wafer);
1084 PrintAndLog(" Die Number : %d", data.dw);
1085 PrintAndLog("-------------------------------------------------------------");
1086 PrintAndLog(" Raw Data - Page 1");
1087 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1088 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1089
1090 /*
1091 ** Q5 **
1092 TRACE - BLOCK O and BLOCK1
1093 Bits Definition HEX
1094 1-9 Header 0x1FF
1095 10-11 IC Revision
1096 12-13 Lot ID char
1097 15-35 Lot ID (NB parity)
1098 36-41 Wafer number (NB parity)
1099 42-58 DW, die number sequential (NB parity)
1100 60-63 Parity bits
1101 64 Always zero
1102 */
1103 }
1104
1105 //need to add Q5 info...
1106 int CmdT55xxInfo(const char *Cmd){
1107 /*
1108 Page 0 Block 0 Configuration data.
1109 Normal mode
1110 Extended mode
1111 */
1112 bool pwdmode = false;
1113 uint32_t password = 0;
1114 char cmdp = param_getchar(Cmd, 0);
1115
1116 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
1117 return usage_t55xx_info();
1118
1119 if (strlen(Cmd)==0)
1120 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1121 return 1;
1122
1123 if (!DecodeT55xxBlock()) return 1;
1124
1125 // too little space to start with
1126 if ( DemodBufferLen < 32) return 1;
1127
1128 uint8_t si = config.offset;
1129 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1130
1131 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1132 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1133 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1134 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1135 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1136 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1137 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1138 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1139 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1140 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1141 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1142 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1143 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1144 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1145
1146 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1147 PrintAndLog("");
1148 PrintAndLog("-- T55x7 Configuration & Tag Information --------------------");
1149 PrintAndLog("-------------------------------------------------------------");
1150 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1151 PrintAndLog(" reserved : %d", resv);
1152 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1153 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1154 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1155 PrintAndLog(" PSK clock frequency : %d", pskcf);
1156 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1157 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1158 PrintAndLog(" Max block : %d", maxblk);
1159 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1160 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1161 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1162 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1163 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1164 PrintAndLog("-------------------------------------------------------------");
1165 PrintAndLog(" Raw Data - Page 0");
1166 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1167 PrintAndLog("-------------------------------------------------------------");
1168
1169 return 0;
1170 }
1171
1172 int CmdT55xxDump(const char *Cmd){
1173
1174 uint32_t password = 0;
1175 char cmdp = param_getchar(Cmd, 0);
1176 bool override = false;
1177 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1178
1179 bool usepwd = ( strlen(Cmd) > 0);
1180 if ( usepwd ){
1181 password = param_get32ex(Cmd, 0, 0, 16);
1182 if (param_getchar(Cmd, 1) =='o' )
1183 override = true;
1184 }
1185
1186 printT5xxHeader(0);
1187 for ( uint8_t i = 0; i <8; ++i)
1188 T55xxReadBlock(i, 0, usepwd, override, password);
1189
1190 printT5xxHeader(1);
1191 for ( uint8_t i = 0; i<4; i++)
1192 T55xxReadBlock(i, 1, usepwd, override, password);
1193
1194 return 1;
1195 }
1196
1197 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1198 // arg0 bitmodes:
1199 // bit0 = pwdmode
1200 // bit1 = page to read from
1201 uint8_t arg0 = (page<<1) | pwdmode;
1202 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1203
1204 clearCommandBuffer();
1205 SendCommand(&c);
1206 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1207 PrintAndLog("command execution time out");
1208 return 0;
1209 }
1210
1211 uint8_t got[12000];
1212 GetFromBigBuf(got,sizeof(got),0);
1213 WaitForResponse(CMD_ACK,NULL);
1214 setGraphBuf(got, sizeof(got));
1215 return 1;
1216 }
1217
1218 char * GetBitRateStr(uint32_t id) {
1219 static char buf[25];
1220
1221 char *retStr = buf;
1222 switch (id) {
1223 case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
1224 case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
1225 case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
1226 case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
1227 case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
1228 case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
1229 case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
1230 case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
1231 default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
1232 }
1233 return buf;
1234 }
1235
1236 char * GetSaferStr(uint32_t id) {
1237 static char buf[40];
1238 char *retStr = buf;
1239
1240 snprintf(retStr,sizeof(buf),"%d",id);
1241 if (id == 6) {
1242 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1243 }
1244 if (id == 9 ){
1245 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1246 }
1247
1248 return buf;
1249 }
1250
1251 char * GetModulationStr( uint32_t id){
1252 static char buf[60];
1253 char *retStr = buf;
1254
1255 switch (id){
1256 case 0: snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break;
1257 case 1: snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break;
1258 case 2: snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break;
1259 case 3: snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break;
1260 case 4: snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break;
1261 case 5: snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break;
1262 case 6: snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break;
1263 case 7: snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break;
1264 case 8: snprintf(retStr,sizeof(buf),"%d - Manchester",id); break;
1265 case 16: snprintf(retStr,sizeof(buf),"%d - Biphase",id); break;
1266 case 0x18: snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break;
1267 case 17: snprintf(retStr,sizeof(buf),"%d - Reserved",id); break;
1268 default: snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); break;
1269 }
1270 return buf;
1271 }
1272
1273 char * GetModelStrFromCID(uint32_t cid){
1274
1275 static char buf[10];
1276 char *retStr = buf;
1277
1278 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1279 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1280 return buf;
1281 }
1282
1283 char * GetSelectedModulationStr( uint8_t id){
1284
1285 static char buf[20];
1286 char *retStr = buf;
1287
1288 switch (id) {
1289 case DEMOD_FSK: snprintf(retStr,sizeof(buf),"FSK"); break;
1290 case DEMOD_FSK1: snprintf(retStr,sizeof(buf),"FSK1"); break;
1291 case DEMOD_FSK1a: snprintf(retStr,sizeof(buf),"FSK1a"); break;
1292 case DEMOD_FSK2: snprintf(retStr,sizeof(buf),"FSK2"); break;
1293 case DEMOD_FSK2a: snprintf(retStr,sizeof(buf),"FSK2a"); break;
1294 case DEMOD_ASK: snprintf(retStr,sizeof(buf),"ASK"); break;
1295 case DEMOD_NRZ: snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); break;
1296 case DEMOD_PSK1: snprintf(retStr,sizeof(buf),"PSK1"); break;
1297 case DEMOD_PSK2: snprintf(retStr,sizeof(buf),"PSK2"); break;
1298 case DEMOD_PSK3: snprintf(retStr,sizeof(buf),"PSK3"); break;
1299 case DEMOD_BI: snprintf(retStr,sizeof(buf),"BIPHASE"); break;
1300 case DEMOD_BIa: snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); break;
1301 default: snprintf(retStr,sizeof(buf),"(Unknown)"); break;
1302 }
1303 return buf;
1304 }
1305
1306 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
1307
1308 int i = start;
1309 int j = len-1;
1310
1311 if (len > 32) return 0;
1312
1313 uint32_t tmp = 0;
1314 for (; j >= 0; --j, ++i)
1315 tmp |= bits[i] << j;
1316
1317 return tmp;
1318 }
1319
1320 int CmdResetRead(const char *Cmd) {
1321 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1322
1323 clearCommandBuffer();
1324 SendCommand(&c);
1325 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1326 PrintAndLog("command execution time out");
1327 return 0;
1328 }
1329
1330 uint8_t got[BIGBUF_SIZE-1];
1331 GetFromBigBuf(got,sizeof(got),0);
1332 WaitForResponse(CMD_ACK,NULL);
1333 setGraphBuf(got, sizeof(got));
1334 return 1;
1335 }
1336
1337 int CmdT55xxWipe(const char *Cmd) {
1338 char writeData[20] = {0};
1339 char *ptrData = writeData;
1340
1341 char cmdp = param_getchar(Cmd, 0);
1342 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();
1343
1344 bool Q5 = (cmdp == 'q' || cmdp == 'Q');
1345
1346 // Try with the default password to reset block 0
1347 // With a pwd should work even if pwd bit not set
1348 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1349
1350 if ( Q5 ){
1351 snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0");
1352 } else {
1353 snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0");
1354 }
1355
1356 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");
1357
1358 for (uint8_t blk = 1; blk<8; blk++) {
1359 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1360 if (!CmdT55xxWriteBlock(ptrData))
1361 PrintAndLog("Error writing blk %d", blk);
1362
1363 memset(writeData, 0x00, sizeof(writeData));
1364 }
1365 return 0;
1366 }
1367
1368 int CmdT55xxBruteForce(const char *Cmd) {
1369
1370 // load a default pwd file.
1371 char buf[9];
1372 char filename[FILE_PATH_SIZE]={0};
1373 int keycnt = 0;
1374 uint8_t stKeyBlock = 20;
1375 uint8_t *keyBlock = NULL, *p;
1376 keyBlock = calloc(stKeyBlock, 6);
1377 if (keyBlock == NULL) return 1;
1378
1379 uint32_t start_password = 0x00000000; //start password
1380 uint32_t end_password = 0xFFFFFFFF; //end password
1381 bool found = false;
1382
1383 char cmdp = param_getchar(Cmd, 0);
1384 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1385
1386 if (cmdp == 'i' || cmdp == 'I') {
1387
1388 int len = strlen(Cmd+2);
1389 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1390 memcpy(filename, Cmd+2, len);
1391
1392 FILE * f = fopen( filename , "r");
1393
1394 if ( !f ) {
1395 PrintAndLog("File: %s: not found or locked.", filename);
1396 free(keyBlock);
1397 return 1;
1398 }
1399
1400 while( fgets(buf, sizeof(buf), f) ) {
1401 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1402
1403 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1404
1405 //The line start with # is comment, skip
1406 if( buf[0]=='#' ) continue;
1407
1408 if (!isxdigit(buf[0])) {
1409 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1410 continue;
1411 }
1412
1413 buf[8] = 0;
1414
1415 if ( stKeyBlock - keycnt < 2) {
1416 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1417 if (!p) {
1418 PrintAndLog("Cannot allocate memory for defaultKeys");
1419 free(keyBlock);
1420 return 2;
1421 }
1422 keyBlock = p;
1423 }
1424 memset(keyBlock + 4 * keycnt, 0, 4);
1425 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1426 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1427 keycnt++;
1428 memset(buf, 0, sizeof(buf));
1429 }
1430 fclose(f);
1431
1432 if (keycnt == 0) {
1433 PrintAndLog("No keys found in file");
1434 return 1;
1435 }
1436 PrintAndLog("Loaded %d keys", keycnt);
1437
1438 // loop
1439 uint64_t testpwd = 0x00;
1440 for (uint16_t c = 0; c < keycnt; ++c ) {
1441
1442 if (ukbhit()) {
1443 getchar();
1444 printf("\naborted via keyboard!\n");
1445 return 0;
1446 }
1447
1448 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1449
1450 PrintAndLog("Testing %08X", testpwd);
1451
1452 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1453 PrintAndLog("Aquireing data from device failed. Quitting");
1454 return 0;
1455 }
1456
1457 found = tryDetectModulation();
1458
1459 if ( found ) {
1460 PrintAndLog("Found valid password: [%08X]", testpwd);
1461 return 0;
1462 }
1463 }
1464 PrintAndLog("Password NOT found.");
1465 return 0;
1466 }
1467
1468 // Try to read Block 7, first :)
1469
1470 // incremental pwd range search
1471 start_password = param_get32ex(Cmd, 0, 0, 16);
1472 end_password = param_get32ex(Cmd, 1, 0, 16);
1473
1474 if ( start_password >= end_password ) return usage_t55xx_bruteforce();
1475
1476 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1477
1478 uint32_t i = start_password;
1479
1480 while ((!found) && (i <= end_password)) {
1481
1482 printf(".");
1483 fflush(stdout);
1484 if (ukbhit()) {
1485 getchar();
1486 printf("\naborted via keyboard!\n");
1487 return 0;
1488 }
1489
1490 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1491 PrintAndLog("Aquireing data from device failed. Quitting");
1492 return 0;
1493 }
1494 found = tryDetectModulation();
1495
1496 if (found) break;
1497 i++;
1498 }
1499
1500 PrintAndLog("");
1501
1502 if (found)
1503 PrintAndLog("Found valid password: [%08x]", i);
1504 else
1505 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1506 return 0;
1507 }
1508
1509 static command_t CommandTable[] = {
1510 {"help", CmdHelp, 1, "This help"},
1511 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1512 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1513 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1514 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1515 {"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)"},
1516 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1517 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1518 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1519 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1520 {"special", special, 0, "Show block changes with 64 different offsets"},
1521 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1522 {"wipe", CmdT55xxWipe, 0, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1523 {NULL, NULL, 0, NULL}
1524 };
1525
1526 int CmdLFT55XX(const char *Cmd) {
1527 CmdsParse(CommandTable, Cmd);
1528 return 0;
1529 }
1530
1531 int CmdHelp(const char *Cmd) {
1532 CmdsHelp(CommandTable);
1533 return 0;
1534 }
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