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