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CHG: Tried to unfold some loops inside ARM/crypto1 imp. It can't hurt, feels stabil.
[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 "cmdhf14a.h"
26
27 #define T55x7_CONFIGURATION_BLOCK 0x00
28 #define T55x7_PAGE0 0x00
29 #define T55x7_PAGE1 0x01
30 #define T55x7_PWD 0x00000010
31 #define REGULAR_READ_MODE_BLOCK 0xFF
32
33 // Default configuration
34 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00, .Q5 = FALSE };
35
36 t55xx_conf_block_t Get_t55xx_Config(){
37 return config;
38 }
39 void Set_t55xx_Config(t55xx_conf_block_t conf){
40 config = conf;
41 }
42
43 int usage_t55xx_config(){
44 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
45 PrintAndLog("Options:");
46 PrintAndLog(" h This help");
47 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
48 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
49 PrintAndLog(" i [1] Invert data signal, defaults to normal");
50 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
51 PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
52 PrintAndLog("");
53 PrintAndLog("Examples:");
54 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
55 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
56 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
57 PrintAndLog("");
58 return 0;
59 }
60 int usage_t55xx_read(){
61 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
62 PrintAndLog("Options:");
63 PrintAndLog(" b <block> - block number to read. Between 0-7");
64 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
65 PrintAndLog(" o - OPTIONAL override safety check");
66 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
67 PrintAndLog(" ****WARNING****");
68 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
69 PrintAndLog(" can damage the tag");
70 PrintAndLog("");
71 PrintAndLog("Examples:");
72 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
73 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
74 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
75 PrintAndLog("");
76 return 0;
77 }
78 int usage_t55xx_write(){
79 PrintAndLog("Usage: lf t55xx wr [b <block>] [d <data>] [p <password>] [1]");
80 PrintAndLog("Options:");
81 PrintAndLog(" b <block> - block number to write. Between 0-7");
82 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
83 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
84 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
85 PrintAndLog("");
86 PrintAndLog("Examples:");
87 PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");
88 PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
89 PrintAndLog("");
90 return 0;
91 }
92 int usage_t55xx_trace() {
93 PrintAndLog("Usage: lf t55xx trace [1]");
94 PrintAndLog("Options:");
95 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
96 PrintAndLog("");
97 PrintAndLog("Examples:");
98 PrintAndLog(" lf t55xx trace");
99 PrintAndLog(" lf t55xx trace 1");
100 PrintAndLog("");
101 return 0;
102 }
103 int usage_t55xx_info() {
104 PrintAndLog("Usage: lf t55xx info [1]");
105 PrintAndLog("Options:");
106 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
107 PrintAndLog("");
108 PrintAndLog("Examples:");
109 PrintAndLog(" lf t55xx info");
110 PrintAndLog(" lf t55xx info 1");
111 PrintAndLog("");
112 return 0;
113 }
114 int usage_t55xx_dump(){
115 PrintAndLog("Usage: lf t55xx dump <password> [o]");
116 PrintAndLog("Options:");
117 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
118 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
119 PrintAndLog("");
120 PrintAndLog("Examples:");
121 PrintAndLog(" lf t55xx dump");
122 PrintAndLog(" lf t55xx dump feedbeef o");
123 PrintAndLog("");
124 return 0;
125 }
126 int usage_t55xx_detect(){
127 PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
128 PrintAndLog("Options:");
129 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
130 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
131 PrintAndLog("");
132 PrintAndLog("Examples:");
133 PrintAndLog(" lf t55xx detect");
134 PrintAndLog(" lf t55xx detect 1");
135 PrintAndLog(" lf t55xx detect p 11223344");
136 PrintAndLog("");
137 return 0;
138 }
139 int usage_t55xx_wakup(){
140 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
141 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
142 PrintAndLog("Options:");
143 PrintAndLog(" h - this help");
144 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
145 PrintAndLog("");
146 PrintAndLog("Examples:");
147 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
148 return 0;
149 }
150 int usage_t55xx_bruteforce(){
151 PrintAndLog("This command uses A) bruteforce to scan a number range");
152 PrintAndLog(" B) a dictionary attack");
153 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
154 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
155 PrintAndLog("Options:");
156 PrintAndLog(" h - this help");
157 PrintAndLog(" <start_pwd> - 4 byte hex value to start pwd search at");
158 PrintAndLog(" <end_pwd> - 4 byte hex value to end pwd search at");
159 PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");
160 PrintAndLog("");
161 PrintAndLog("Examples:");
162 PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");
163 PrintAndLog(" lf t55xx bruteforce i default_pwd.dic");
164 PrintAndLog("");
165 return 0;
166 }
167 int usage_t55xx_wipe(){
168 PrintAndLog("Usage: lf t55xx wipe [h] [Q5]");
169 PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block");
170 PrintAndLog("Options:");
171 PrintAndLog(" h - this help");
172 PrintAndLog(" Q5 - indicates to use the T555 (Q5) default configuration block");
173 PrintAndLog("");
174 PrintAndLog("Examples:");
175 PrintAndLog(" lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0");
176 PrintAndLog(" lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004");
177 return 0;
178 }
179 static int CmdHelp(const char *Cmd);
180
181 void printT5xxHeader(uint8_t page){
182 PrintAndLog("Reading Page %d:", page);
183 PrintAndLog("blk | hex data | binary");
184 PrintAndLog("----+----------+---------------------------------");
185 }
186
187 int CmdT55xxSetConfig(const char *Cmd) {
188
189 uint8_t offset = 0;
190 char modulation[5] = {0x00};
191 char tmp = 0x00;
192 uint8_t bitRate = 0;
193 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
194 uint8_t cmdp = 0;
195 bool errors = FALSE;
196 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
197 {
198 tmp = param_getchar(Cmd, cmdp);
199 switch(tmp)
200 {
201 case 'h':
202 case 'H':
203 return usage_t55xx_config();
204 case 'b':
205 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
206 if ( !errors){
207 uint8_t i = 0;
208 for (; i < 9; i++){
209 if (rates[i]==bitRate) {
210 config.bitrate = i;
211 break;
212 }
213 }
214 if (i==9) errors = TRUE;
215 }
216 cmdp+=2;
217 break;
218 case 'd':
219 param_getstr(Cmd, cmdp+1, modulation);
220 cmdp += 2;
221
222 if ( strcmp(modulation, "FSK" ) == 0) {
223 config.modulation = DEMOD_FSK;
224 } else if ( strcmp(modulation, "FSK1" ) == 0) {
225 config.modulation = DEMOD_FSK1;
226 config.inverted=1;
227 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
228 config.modulation = DEMOD_FSK1a;
229 config.inverted=0;
230 } else if ( strcmp(modulation, "FSK2" ) == 0) {
231 config.modulation = DEMOD_FSK2;
232 config.inverted=0;
233 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
234 config.modulation = DEMOD_FSK2a;
235 config.inverted=1;
236 } else if ( strcmp(modulation, "ASK" ) == 0) {
237 config.modulation = DEMOD_ASK;
238 } else if ( strcmp(modulation, "NRZ" ) == 0) {
239 config.modulation = DEMOD_NRZ;
240 } else if ( strcmp(modulation, "PSK1" ) == 0) {
241 config.modulation = DEMOD_PSK1;
242 } else if ( strcmp(modulation, "PSK2" ) == 0) {
243 config.modulation = DEMOD_PSK2;
244 } else if ( strcmp(modulation, "PSK3" ) == 0) {
245 config.modulation = DEMOD_PSK3;
246 } else if ( strcmp(modulation, "BIa" ) == 0) {
247 config.modulation = DEMOD_BIa;
248 config.inverted=1;
249 } else if ( strcmp(modulation, "BI" ) == 0) {
250 config.modulation = DEMOD_BI;
251 config.inverted=0;
252 } else {
253 PrintAndLog("Unknown modulation '%s'", modulation);
254 errors = TRUE;
255 }
256 break;
257 case 'i':
258 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
259 cmdp+=2;
260 break;
261 case 'o':
262 errors |= param_getdec(Cmd, cmdp+1, &offset);
263 if ( !errors )
264 config.offset = offset;
265 cmdp+=2;
266 break;
267 case 'Q':
268 case 'q':
269 config.Q5 = TRUE;
270 cmdp++;
271 break;
272 default:
273 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
274 errors = TRUE;
275 break;
276 }
277 }
278
279 // No args
280 if (cmdp == 0) return printConfiguration( config );
281
282 //Validations
283 if (errors) return usage_t55xx_config();
284
285 config.block0 = 0;
286 return printConfiguration ( config );
287 }
288
289 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
290 //Password mode
291 if ( usepwd ) {
292 // try reading the config block and verify that PWD bit is set before doing this!
293 if ( !override ) {
294
295 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
296
297 if ( !tryDetectModulation() ) {
298 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
299 return 0;
300 } else {
301 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
302 usepwd = false;
303 page1 = false;
304 }
305 } else {
306 PrintAndLog("Safety Check Overriden - proceeding despite risk");
307 }
308 }
309
310 if (!AquireData(page1, block, usepwd, password) ) return 0;
311 if (!DecodeT55xxBlock()) return 0;
312
313 char blk[10]={0};
314 sprintf(blk,"%02d", block);
315 printT55xxBlock(blk);
316 return 1;
317 }
318
319 int CmdT55xxReadBlock(const char *Cmd) {
320 uint8_t block = REGULAR_READ_MODE_BLOCK;
321 uint32_t password = 0; //default to blank Block 7
322 bool usepwd = false;
323 bool override = false;
324 bool page1 = false;
325 bool errors = false;
326 uint8_t cmdp = 0;
327 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
328 switch(param_getchar(Cmd, cmdp)) {
329 case 'h':
330 case 'H':
331 return usage_t55xx_read();
332 case 'b':
333 case 'B':
334 errors |= param_getdec(Cmd, cmdp+1, &block);
335 cmdp += 2;
336 break;
337 case 'o':
338 case 'O':
339 override = TRUE;
340 cmdp++;
341 break;
342 case 'p':
343 case 'P':
344 password = param_get32ex(Cmd, cmdp+1, 0, 16);
345 usepwd = true;
346 cmdp += 2;
347 break;
348 case '1':
349 page1 = true;
350 cmdp++;
351 break;
352 default:
353 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
354 errors = true;
355 break;
356 }
357 }
358 if (errors) return usage_t55xx_read();
359
360 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
361 PrintAndLog("Block must be between 0 and 7");
362 return 0;
363 }
364
365 printT5xxHeader(page1);
366 return T55xxReadBlock(block, page1, usepwd, override, password);
367 }
368
369 bool DecodeT55xxBlock(){
370
371 char buf[30] = {0x00};
372 char *cmdStr = buf;
373 int ans = 0;
374 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
375 DemodBufferLen = 0x00;
376
377 switch( config.modulation ){
378 case DEMOD_FSK:
379 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
380 ans = FSKrawDemod(cmdStr, FALSE);
381 break;
382 case DEMOD_FSK1:
383 case DEMOD_FSK1a:
384 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
385 ans = FSKrawDemod(cmdStr, FALSE);
386 break;
387 case DEMOD_FSK2:
388 case DEMOD_FSK2a:
389 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
390 ans = FSKrawDemod(cmdStr, FALSE);
391 break;
392 case DEMOD_ASK:
393 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
394 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
395 break;
396 case DEMOD_PSK1:
397 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
398 save_restoreGB(1);
399 CmdLtrim("160");
400 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
401 ans = PSKDemod(cmdStr, FALSE);
402 //undo trim samples
403 save_restoreGB(0);
404 break;
405 case DEMOD_PSK2: //inverted won't affect this
406 case DEMOD_PSK3: //not fully implemented
407 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
408 save_restoreGB(1);
409 CmdLtrim("160");
410 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
411 ans = PSKDemod(cmdStr, FALSE);
412 psk1TOpsk2(DemodBuffer, DemodBufferLen);
413 //undo trim samples
414 save_restoreGB(0);
415 break;
416 case DEMOD_NRZ:
417 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
418 ans = NRZrawDemod(cmdStr, FALSE);
419 break;
420 case DEMOD_BI:
421 case DEMOD_BIa:
422 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
423 ans = ASKbiphaseDemod(cmdStr, FALSE);
424 break;
425 default:
426 return FALSE;
427 }
428 return (bool) ans;
429 }
430
431 bool DecodeT5555TraceBlock() {
432 DemodBufferLen = 0x00;
433
434 // According to datasheet. Always: RF/64, not inverted, Manchester
435 return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1);
436 }
437
438
439 int CmdT55xxDetect(const char *Cmd){
440 bool errors = FALSE;
441 bool useGB = FALSE;
442 bool usepwd = FALSE;
443 uint32_t password = 0;
444 uint8_t cmdp = 0;
445
446 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
447 switch(param_getchar(Cmd, cmdp)) {
448 case 'h':
449 case 'H':
450 return usage_t55xx_detect();
451 case 'p':
452 case 'P':
453 password = param_get32ex(Cmd, cmdp+1, 0, 16);
454 usepwd = TRUE;
455 cmdp += 2;
456 break;
457 case '1':
458 // use Graphbuffer data
459 useGB = TRUE;
460 cmdp++;
461 break;
462 default:
463 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
464 errors = true;
465 break;
466 }
467 }
468 if (errors) return usage_t55xx_detect();
469
470 if ( !useGB) {
471 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
472 return 0;
473 }
474
475 if ( !tryDetectModulation() )
476 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
477
478 return 1;
479 }
480
481 // detect configuration?
482 bool tryDetectModulation(){
483 uint8_t hits = 0;
484 t55xx_conf_block_t tests[15];
485 int bitRate=0;
486 uint8_t fc1 = 0, fc2 = 0, clk=0;
487
488 if (GetFskClock("", FALSE, FALSE)){
489 fskClocks(&fc1, &fc2, &clk, FALSE);
490 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
491 tests[hits].modulation = DEMOD_FSK;
492 if (fc1==8 && fc2 == 5)
493 tests[hits].modulation = DEMOD_FSK1a;
494 else if (fc1==10 && fc2 == 8)
495 tests[hits].modulation = DEMOD_FSK2;
496 tests[hits].bitrate = bitRate;
497 tests[hits].inverted = FALSE;
498 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
499 ++hits;
500 }
501 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
502 tests[hits].modulation = DEMOD_FSK;
503 if (fc1 == 8 && fc2 == 5)
504 tests[hits].modulation = DEMOD_FSK1;
505 else if (fc1 == 10 && fc2 == 8)
506 tests[hits].modulation = DEMOD_FSK2a;
507 tests[hits].bitrate = bitRate;
508 tests[hits].inverted = TRUE;
509 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
510 ++hits;
511 }
512 } else {
513 clk = GetAskClock("", FALSE, FALSE);
514 if (clk>0) {
515 if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
516 tests[hits].modulation = DEMOD_ASK;
517 tests[hits].bitrate = bitRate;
518 tests[hits].inverted = FALSE;
519 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
520 ++hits;
521 }
522 if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
523 tests[hits].modulation = DEMOD_ASK;
524 tests[hits].bitrate = bitRate;
525 tests[hits].inverted = TRUE;
526 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
527 ++hits;
528 }
529 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
530 tests[hits].modulation = DEMOD_BI;
531 tests[hits].bitrate = bitRate;
532 tests[hits].inverted = FALSE;
533 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
534 ++hits;
535 }
536 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
537 tests[hits].modulation = DEMOD_BIa;
538 tests[hits].bitrate = bitRate;
539 tests[hits].inverted = TRUE;
540 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
541 ++hits;
542 }
543 }
544 //undo trim from ask
545 //save_restoreGB(0);
546 clk = GetNrzClock("", FALSE, FALSE);
547 if (clk>0) {
548 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
549 tests[hits].modulation = DEMOD_NRZ;
550 tests[hits].bitrate = bitRate;
551 tests[hits].inverted = FALSE;
552 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
553 ++hits;
554 }
555
556 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
557 tests[hits].modulation = DEMOD_NRZ;
558 tests[hits].bitrate = bitRate;
559 tests[hits].inverted = TRUE;
560 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
561 ++hits;
562 }
563 }
564
565 // allow undo
566 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
567 save_restoreGB(1);
568 CmdLtrim("160");
569 clk = GetPskClock("", FALSE, FALSE);
570 if (clk>0) {
571 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
572 tests[hits].modulation = DEMOD_PSK1;
573 tests[hits].bitrate = bitRate;
574 tests[hits].inverted = FALSE;
575 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
576 ++hits;
577 }
578 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
579 tests[hits].modulation = DEMOD_PSK1;
580 tests[hits].bitrate = bitRate;
581 tests[hits].inverted = TRUE;
582 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
583 ++hits;
584 }
585 // PSK2 - needs a call to psk1TOpsk2.
586 if ( PSKDemod("0 0 6", FALSE)) {
587 psk1TOpsk2(DemodBuffer, DemodBufferLen);
588 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
589 tests[hits].modulation = DEMOD_PSK2;
590 tests[hits].bitrate = bitRate;
591 tests[hits].inverted = FALSE;
592 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
593 ++hits;
594 }
595 } // inverse waves does not affect this demod
596 // PSK3 - needs a call to psk1TOpsk2.
597 if ( PSKDemod("0 0 6", FALSE)) {
598 psk1TOpsk2(DemodBuffer, DemodBufferLen);
599 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
600 tests[hits].modulation = DEMOD_PSK3;
601 tests[hits].bitrate = bitRate;
602 tests[hits].inverted = FALSE;
603 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
604 ++hits;
605 }
606 } // inverse waves does not affect this demod
607 }
608 //undo trim samples
609 save_restoreGB(0);
610 }
611 if ( hits == 1) {
612 config.modulation = tests[0].modulation;
613 config.bitrate = tests[0].bitrate;
614 config.inverted = tests[0].inverted;
615 config.offset = tests[0].offset;
616 config.block0 = tests[0].block0;
617 config.Q5 = tests[0].Q5;
618 printConfiguration( config );
619 return TRUE;
620 }
621
622 if ( hits > 1) {
623 PrintAndLog("Found [%d] possible matches for modulation.",hits);
624 for(int i=0; i<hits; ++i){
625 PrintAndLog("--[%d]---------------", i+1);
626 printConfiguration( tests[i] );
627 }
628 }
629 return FALSE;
630 }
631
632 bool testModulation(uint8_t mode, uint8_t modread){
633 switch( mode ){
634 case DEMOD_FSK:
635 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
636 break;
637 case DEMOD_ASK:
638 if (modread == DEMOD_ASK) return TRUE;
639 break;
640 case DEMOD_PSK1:
641 if (modread == DEMOD_PSK1) return TRUE;
642 break;
643 case DEMOD_PSK2:
644 if (modread == DEMOD_PSK2) return TRUE;
645 break;
646 case DEMOD_PSK3:
647 if (modread == DEMOD_PSK3) return TRUE;
648 break;
649 case DEMOD_NRZ:
650 if (modread == DEMOD_NRZ) return TRUE;
651 break;
652 case DEMOD_BI:
653 if (modread == DEMOD_BI) return TRUE;
654 break;
655 case DEMOD_BIa:
656 if (modread == DEMOD_BIa) return TRUE;
657 break;
658 default:
659 return FALSE;
660 }
661 return FALSE;
662 }
663
664 bool testQ5Modulation(uint8_t mode, uint8_t modread){
665 switch( mode ){
666 case DEMOD_FSK:
667 if (modread >= 4 && modread <= 5) return TRUE;
668 break;
669 case DEMOD_ASK:
670 if (modread == 0) return TRUE;
671 break;
672 case DEMOD_PSK1:
673 if (modread == 1) return TRUE;
674 break;
675 case DEMOD_PSK2:
676 if (modread == 2) return TRUE;
677 break;
678 case DEMOD_PSK3:
679 if (modread == 3) return TRUE;
680 break;
681 case DEMOD_NRZ:
682 if (modread == 7) return TRUE;
683 break;
684 case DEMOD_BI:
685 if (modread == 6) return TRUE;
686 break;
687 default:
688 return FALSE;
689 }
690 return FALSE;
691 }
692
693 int convertQ5bitRate(uint8_t bitRateRead) {
694 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
695 for (int i=0; i<8; i++)
696 if (expected[i] == bitRateRead)
697 return i;
698
699 return -1;
700 }
701
702 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
703
704 if ( DemodBufferLen < 64 ) return FALSE;
705 uint8_t si = 0;
706 for (uint8_t idx = 28; idx < 64; idx++){
707 si = idx;
708 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
709
710 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
711 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
712 // 2nibble must be zeroed.
713 if (safer != 0x6 && safer != 0x9) continue;
714 if ( resv > 0x00) continue;
715 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
716 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
717 si += 1+1;
718 int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate
719 if (bitRate > 128 || bitRate < 8) continue;
720
721 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
722 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
723 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
724 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
725 si += 1+1+2+1;
726 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
727 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
728 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
729 if (maxBlk == 0) continue;
730 //test modulation
731 if (!testQ5Modulation(mode, modread)) continue;
732 if (bitRate != clk) continue;
733 *fndBitRate = convertQ5bitRate(bitRate);
734 if (*fndBitRate < 0) continue;
735 *offset = idx;
736
737 return TRUE;
738 }
739 return FALSE;
740 }
741
742 bool testBitRate(uint8_t readRate, uint8_t clk){
743 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
744 if (expected[readRate] == clk)
745 return true;
746
747 return false;
748 }
749
750 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
751
752 if ( DemodBufferLen < 64 ) return FALSE;
753 uint8_t si = 0;
754 for (uint8_t idx = 28; idx < 64; idx++){
755 si = idx;
756 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
757
758 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
759 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
760 // 2nibble must be zeroed.
761 // moved test to here, since this gets most faults first.
762 if ( resv > 0x00) continue;
763
764 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
765 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
766 if (bitRate > 7) continue;
767 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
768 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
769 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
770 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
771 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
772
773 //if extended mode
774 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
775
776 if (!extMode){
777 if (nml01 || nml02 || xtRate) continue;
778 }
779 //test modulation
780 if (!testModulation(mode, modread)) continue;
781 if (!testBitRate(bitRate, clk)) continue;
782 *fndBitRate = bitRate;
783 *offset = idx;
784 *Q5 = FALSE;
785 return TRUE;
786 }
787 if (testQ5(mode, offset, fndBitRate, clk)) {
788 *Q5 = TRUE;
789 return TRUE;
790 }
791 return FALSE;
792 }
793
794 void printT55xxBlock(const char *blockNum){
795
796 uint8_t i = config.offset;
797 uint8_t endpos = 32 + i;
798 uint32_t blockData = 0;
799 uint8_t bits[64] = {0x00};
800
801 if ( !DemodBufferLen) return;
802
803 if ( endpos > DemodBufferLen){
804 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
805 return;
806 }
807
808 for (; i < endpos; ++i)
809 bits[i - config.offset] = DemodBuffer[i];
810
811 blockData = PackBits(0, 32, bits);
812
813 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
814 }
815
816 int special(const char *Cmd) {
817 uint32_t blockData = 0;
818 uint8_t bits[32] = {0x00};
819
820 PrintAndLog("OFFSET | DATA | BINARY");
821 PrintAndLog("----------------------------------------------------");
822 int i,j = 0;
823 for (; j < 64; ++j){
824
825 for (i = 0; i < 32; ++i)
826 bits[i]=DemodBuffer[j+i];
827
828 blockData = PackBits(0, 32, bits);
829
830 PrintAndLog("%02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
831 }
832 return 0;
833 }
834
835 int printConfiguration( t55xx_conf_block_t b){
836 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
837 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
838 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
839 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
840 PrintAndLog("Offset : %d", b.offset);
841 PrintAndLog("Block0 : 0x%08X", b.block0);
842 PrintAndLog("");
843 return 0;
844 }
845
846 int CmdT55xxWakeUp(const char *Cmd) {
847 uint32_t password = 0;
848 uint8_t cmdp = 0;
849 bool errors = false;
850 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
851 switch(param_getchar(Cmd, cmdp)) {
852 case 'h':
853 case 'H':
854 return usage_t55xx_wakup();
855 case 'p':
856 case 'P':
857 password = param_get32ex(Cmd, cmdp+1, 0, 16);
858 cmdp += 2;
859 errors = false;
860 break;
861 default:
862 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
863 errors = true;
864 break;
865 }
866 }
867 if (errors) return usage_t55xx_wakup();
868
869 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
870 clearCommandBuffer();
871 SendCommand(&c);
872 PrintAndLog("Wake up command sent. Try read now");
873 return 0;
874 }
875
876 int CmdT55xxWriteBlock(const char *Cmd) {
877 uint8_t block = 0xFF; //default to invalid block
878 uint32_t data = 0; //default to blank Block
879 uint32_t password = 0; //default to blank Block 7
880 bool usepwd = false;
881 bool page1 = false;
882 bool gotdata = false;
883 bool errors = false;
884 uint8_t cmdp = 0;
885 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
886 switch(param_getchar(Cmd, cmdp)) {
887 case 'h':
888 case 'H':
889 return usage_t55xx_write();
890 case 'b':
891 case 'B':
892 errors |= param_getdec(Cmd, cmdp+1, &block);
893 cmdp += 2;
894 break;
895 case 'd':
896 case 'D':
897 data = param_get32ex(Cmd, cmdp+1, 0, 16);
898 gotdata = true;
899 cmdp += 2;
900 break;
901 case 'p':
902 case 'P':
903 password = param_get32ex(Cmd, cmdp+1, 0, 16);
904 usepwd = true;
905 cmdp += 2;
906 break;
907 case '1':
908 page1 = true;
909 cmdp++;
910 break;
911 default:
912 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
913 errors = true;
914 break;
915 }
916 }
917 if (errors || !gotdata) return usage_t55xx_write();
918
919 if (block > 7) {
920 PrintAndLog("Block number must be between 0 and 7");
921 return 0;
922 }
923
924 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
925 UsbCommand resp;
926 c.d.asBytes[0] = (page1) ? 0x2 : 0;
927
928 char pwdStr[16] = {0};
929 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
930
931 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
932
933 //Password mode
934 if (usepwd) {
935 c.arg[2] = password;
936 c.d.asBytes[0] |= 0x1;
937 }
938 clearCommandBuffer();
939 SendCommand(&c);
940 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
941 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
942 return 0;
943 }
944 return 1;
945 }
946
947 int CmdT55xxReadTrace(const char *Cmd) {
948 char cmdp = param_getchar(Cmd, 0);
949 bool pwdmode = false;
950 uint32_t password = 0;
951 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();
952
953 if (strlen(Cmd)==0)
954 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
955 return 0;
956
957 if ( config.Q5 ){
958 if (!DecodeT5555TraceBlock()) return 0;
959 }
960 else {
961 if (!DecodeT55xxBlock()) return 0;
962 }
963
964 if ( !DemodBufferLen ) return 0;
965
966 RepaintGraphWindow();
967 uint8_t repeat = (config.offset > 5) ? 32 : 0;
968
969 uint8_t si = config.offset + repeat;
970 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
971 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
972
973 if (config.Q5) {
974 uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9;
975
976 if (hdr != 0x1FF) {
977 PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
978 return 0;
979 }
980
981 t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};
982
983 data.icr = PackBits(si, 2, DemodBuffer); si += 2;
984 data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3;
985
986 data.lotid = PackBits(si, 4, DemodBuffer); si += 5;
987 data.lotid <<= 4;
988 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
989 data.lotid <<= 4;
990 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
991 data.lotid <<= 4;
992 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
993 data.lotid <<= 1;
994 data.lotid |= PackBits(si, 1, DemodBuffer); si += 1;
995
996 data.wafer = PackBits(si, 3, DemodBuffer); si += 4;
997 data.wafer <<= 2;
998 data.wafer |= PackBits(si, 2, DemodBuffer); si += 2;
999
1000 data.dw = PackBits(si, 2, DemodBuffer); si += 3;
1001 data.dw <<= 4;
1002 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1003 data.dw <<= 4;
1004 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1005 data.dw <<= 4;
1006 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1007
1008 printT5555Trace(data, repeat);
1009
1010 } else {
1011
1012 t55xx_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};
1013
1014 data.acl = PackBits(si, 8, DemodBuffer); si += 8;
1015 if ( data.acl != 0xE0 ) {
1016 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
1017 return 0;
1018 }
1019
1020 data.mfc = PackBits(si, 8, DemodBuffer); si += 8;
1021 data.cid = PackBits(si, 5, DemodBuffer); si += 5;
1022 data.icr = PackBits(si, 3, DemodBuffer); si += 3;
1023 data.year = PackBits(si, 4, DemodBuffer); si += 4;
1024 data.quarter = PackBits(si, 2, DemodBuffer); si += 2;
1025 data.lotid = PackBits(si, 14, DemodBuffer); si += 14;
1026 data.wafer = PackBits(si, 5, DemodBuffer); si += 5;
1027 data.dw = PackBits(si, 15, DemodBuffer);
1028
1029 time_t t = time(NULL);
1030 struct tm tm = *localtime(&t);
1031 if ( data.year > tm.tm_year-110)
1032 data.year += 2000;
1033 else
1034 data.year += 2010;
1035
1036
1037 printT55xxTrace(data, repeat);
1038 }
1039 return 0;
1040 }
1041
1042 void printT55xxTrace( t55xx_tracedata_t data, uint8_t repeat ){
1043 PrintAndLog("-- T55xx 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 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){
1078 PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");
1079 PrintAndLog("-------------------------------------------------------------");
1080 PrintAndLog(" ICR IC Revision : %d", data.icr );
1081 PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid);
1082 PrintAndLog(" Wafer number : %d", data.wafer);
1083 PrintAndLog(" Die Number : %d", data.dw);
1084 PrintAndLog("-------------------------------------------------------------");
1085 PrintAndLog(" Raw Data - Page 1");
1086 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1087 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1088
1089 /*
1090 ** Q5 **
1091 TRACE - BLOCK O and BLOCK1
1092 Bits Definition HEX
1093 1-9 Header 0x1FF
1094 10-11 IC Revision
1095 12-13 Lot ID char
1096 15-35 Lot ID (NB parity)
1097 36-41 Wafer number (NB parity)
1098 42-58 DW, die number sequential (NB parity)
1099 60-63 Parity bits
1100 64 Always zero
1101 */
1102 }
1103
1104 int CmdT55xxInfo(const char *Cmd){
1105 /*
1106 Page 0 Block 0 Configuration data.
1107 Normal mode
1108 Extended mode
1109 */
1110 bool pwdmode = false;
1111 uint32_t password = 0;
1112 char cmdp = param_getchar(Cmd, 0);
1113
1114 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info();
1115
1116 if (strlen(Cmd)==0)
1117 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1118 return 1;
1119
1120 if (!DecodeT55xxBlock()) return 1;
1121
1122 // too little space to start with
1123 if ( DemodBufferLen < 32) return 1;
1124
1125 //
1126 PrintAndLog("Offset+32 ==%d\n DemodLen == %d", config.offset + 32,DemodBufferLen );
1127
1128 uint8_t si = config.offset;
1129 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1130 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1131 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1132 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1133 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1134 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1135 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1136 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1137 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1138 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1139 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1140 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1141 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1142 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1143 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1144
1145 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1146 PrintAndLog("");
1147 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
1148 PrintAndLog("-------------------------------------------------------------");
1149 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1150 PrintAndLog(" reserved : %d", resv);
1151 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1152 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1153 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1154 PrintAndLog(" PSK clock frequency : %d", pskcf);
1155 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1156 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1157 PrintAndLog(" Max block : %d", maxblk);
1158 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1159 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1160 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1161 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1162 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1163 PrintAndLog("-------------------------------------------------------------");
1164 PrintAndLog(" Raw Data - Page 0");
1165 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1166 PrintAndLog("-------------------------------------------------------------");
1167
1168 return 0;
1169 }
1170
1171 int CmdT55xxDump(const char *Cmd){
1172
1173 uint32_t password = 0;
1174 bool override = false;
1175 char cmdp = param_getchar(Cmd, 0);
1176 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1177
1178 bool usepwd = ( strlen(Cmd) > 0);
1179 if ( usepwd ){
1180 password = param_get32ex(Cmd, 0, 0, 16);
1181 if (param_getchar(Cmd, 1) =='o' )
1182 override = true;
1183 }
1184
1185 printT5xxHeader(0);
1186 for ( uint8_t i = 0; i < 8; ++i)
1187 T55xxReadBlock(i, 0, usepwd, override, password);
1188
1189 printT5xxHeader(1);
1190 for ( uint8_t i = 0; i < 4; i++)
1191 T55xxReadBlock(i, 1, usepwd, override, password);
1192
1193 return 1;
1194 }
1195
1196 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1197 // arg0 bitmodes:
1198 // bit0 = pwdmode
1199 // bit1 = page to read from
1200 uint8_t arg0 = (page<<1) | pwdmode;
1201 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1202
1203 clearCommandBuffer();
1204 SendCommand(&c);
1205 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1206 PrintAndLog("command execution time out");
1207 return 0;
1208 }
1209
1210 uint8_t got[12000];
1211 GetFromBigBuf(got,sizeof(got),0);
1212 WaitForResponse(CMD_ACK,NULL);
1213 setGraphBuf(got, sizeof(got));
1214 return 1;
1215 }
1216
1217 char * GetBitRateStr(uint32_t id){
1218 static char buf[25];
1219
1220 char *retStr = buf;
1221 switch (id){
1222 case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
1223 case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
1224 case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
1225 case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
1226 case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
1227 case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
1228 case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
1229 case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
1230 default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
1231 }
1232 return buf;
1233 }
1234
1235 char * GetSaferStr(uint32_t id){
1236 static char buf[40];
1237 char *retStr = buf;
1238
1239 snprintf(retStr,sizeof(buf),"%d",id);
1240 if (id == 6) {
1241 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1242 }
1243 if (id == 9 ){
1244 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1245 }
1246
1247 return buf;
1248 }
1249
1250 char * GetModulationStr( uint32_t id){
1251 static char buf[60];
1252 char *retStr = buf;
1253
1254 switch (id){
1255 case 0: snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break;
1256 case 1: snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break;
1257 case 2: snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break;
1258 case 3: snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break;
1259 case 4: snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break;
1260 case 5: snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break;
1261 case 6: snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break;
1262 case 7: snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break;
1263 case 8: snprintf(retStr,sizeof(buf),"%d - Manchester",id); break;
1264 case 16: snprintf(retStr,sizeof(buf),"%d - Biphase",id); break;
1265 case 0x18:snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break;
1266 case 17: snprintf(retStr,sizeof(buf),"%d - Reserved",id); break;
1267 default: snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); break;
1268 }
1269 return buf;
1270 }
1271
1272 char * GetModelStrFromCID(uint32_t cid){
1273
1274 static char buf[10];
1275 char *retStr = buf;
1276
1277 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1278 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1279 return buf;
1280 }
1281
1282 char * GetSelectedModulationStr( uint8_t id){
1283
1284 static char buf[20];
1285 char *retStr = buf;
1286
1287 switch (id){
1288 case DEMOD_FSK: snprintf(retStr,sizeof(buf),"FSK"); break;
1289 case DEMOD_FSK1: snprintf(retStr,sizeof(buf),"FSK1"); break;
1290 case DEMOD_FSK1a: snprintf(retStr,sizeof(buf),"FSK1a"); break;
1291 case DEMOD_FSK2: snprintf(retStr,sizeof(buf),"FSK2"); break;
1292 case DEMOD_FSK2a: snprintf(retStr,sizeof(buf),"FSK2a"); break;
1293 case DEMOD_ASK: snprintf(retStr,sizeof(buf),"ASK"); break;
1294 case DEMOD_NRZ: snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); break;
1295 case DEMOD_PSK1: snprintf(retStr,sizeof(buf),"PSK1"); break;
1296 case DEMOD_PSK2: snprintf(retStr,sizeof(buf),"PSK2"); break;
1297 case DEMOD_PSK3: snprintf(retStr,sizeof(buf),"PSK3"); break;
1298 case DEMOD_BI: snprintf(retStr,sizeof(buf),"BIPHASE"); break;
1299 case DEMOD_BIa: snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); break;
1300 default: snprintf(retStr,sizeof(buf),"(Unknown)"); break;
1301 }
1302 return buf;
1303 }
1304
1305 void t55x7_create_config_block( int tagtype ){
1306
1307 /*
1308 T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK
1309 T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK,
1310 T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK
1311 T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK
1312 */
1313 static char buf[60];
1314 char *retStr = buf;
1315
1316 switch (tagtype){
1317 case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;
1318 case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;
1319 case 2: snprintf(retStr, sizeof(buf),"%08X - T5555 Q5 Default", T5555_DEFAULT_CONFIG_BLOCK); break;
1320 default:
1321 break;
1322 }
1323 PrintAndLog(buf);
1324 }
1325
1326 int CmdResetRead(const char *Cmd) {
1327 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1328
1329 clearCommandBuffer();
1330 SendCommand(&c);
1331 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1332 PrintAndLog("command execution time out");
1333 return 0;
1334 }
1335
1336 uint8_t got[BIGBUF_SIZE-1];
1337 GetFromBigBuf(got,sizeof(got),0);
1338 WaitForResponse(CMD_ACK,NULL);
1339 setGraphBuf(got, sizeof(got));
1340 return 1;
1341 }
1342 // ADD T5555 (Q5) Default config block
1343 int CmdT55xxWipe(const char *Cmd) {
1344 char writeData[20] = {0};
1345 char *ptrData = writeData;
1346 char cmdp = param_getchar(Cmd, 0);
1347 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();
1348
1349 bool Q5 = (cmdp == 'q' || cmdp == 'Q');
1350
1351 // Try with the default password to reset block 0
1352 // With a pwd should work even if pwd bit not set
1353 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1354
1355 if ( Q5 ){
1356 snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0");
1357 } else {
1358 snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");
1359 }
1360
1361 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");
1362
1363 for (uint8_t blk = 1; blk<8; blk++) {
1364
1365 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1366
1367 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk %d", blk);
1368
1369 memset(writeData,0x00, sizeof(writeData));
1370 }
1371 return 0;
1372 }
1373
1374 int CmdT55xxBruteForce(const char *Cmd) {
1375
1376 // load a default pwd file.
1377 char buf[9];
1378 char filename[FILE_PATH_SIZE]={0};
1379 int keycnt = 0;
1380 uint8_t stKeyBlock = 20;
1381 uint8_t *keyBlock = NULL, *p = NULL;
1382 keyBlock = calloc(stKeyBlock, 6);
1383 if (keyBlock == NULL) return 1;
1384
1385 uint32_t start_password = 0x00000000; //start password
1386 uint32_t end_password = 0xFFFFFFFF; //end password
1387 bool found = false;
1388
1389 char cmdp = param_getchar(Cmd, 0);
1390 if (cmdp == 'h' || cmdp == 'H') {
1391 free(keyBlock);
1392 return usage_t55xx_bruteforce();
1393 }
1394
1395 if (cmdp == 'i' || cmdp == 'I') {
1396
1397 int len = strlen(Cmd+2);
1398 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1399 memcpy(filename, Cmd+2, len);
1400
1401 FILE * f = fopen( filename , "r");
1402
1403 if ( !f ) {
1404 PrintAndLog("File: %s: not found or locked.", filename);
1405 free(keyBlock);
1406 return 1;
1407 }
1408
1409 while( fgets(buf, sizeof(buf), f) ){
1410 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1411
1412 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1413
1414 //The line start with # is comment, skip
1415 if( buf[0]=='#' ) continue;
1416
1417 if (!isxdigit(buf[0])){
1418 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1419 continue;
1420 }
1421
1422 buf[8] = 0;
1423
1424 if ( stKeyBlock - keycnt < 2) {
1425 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1426 if (!p) {
1427 PrintAndLog("Cannot allocate memory for defaultKeys");
1428 free(keyBlock);
1429 fclose(f);
1430 return 2;
1431 }
1432 keyBlock = p;
1433 }
1434 memset(keyBlock + 4 * keycnt, 0, 4);
1435 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1436 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1437 keycnt++;
1438 memset(buf, 0, sizeof(buf));
1439 }
1440 fclose(f);
1441
1442 if (keycnt == 0) {
1443 PrintAndLog("No keys found in file");
1444 free(keyBlock);
1445 return 1;
1446 }
1447 PrintAndLog("Loaded %d keys", keycnt);
1448
1449 // loop
1450 uint64_t testpwd = 0x00;
1451 for (uint16_t c = 0; c < keycnt; ++c ) {
1452
1453 if (ukbhit()) {
1454 getchar();
1455 printf("\naborted via keyboard!\n");
1456 free(keyBlock);
1457 free(p);
1458 return 0;
1459 }
1460
1461 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1462
1463 PrintAndLog("Testing %08X", testpwd);
1464
1465
1466 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1467 PrintAndLog("Aquireing data from device failed. Quitting");
1468 free(keyBlock);
1469 free(p);
1470 return 0;
1471 }
1472
1473 found = tryDetectModulation();
1474
1475 if ( found ) {
1476 PrintAndLog("Found valid password: [%08X]", testpwd);
1477 free(keyBlock);
1478 free(p);
1479 return 0;
1480 }
1481 }
1482 PrintAndLog("Password NOT found.");
1483 free(keyBlock);
1484 free(p);
1485 return 0;
1486 }
1487
1488 // Try to read Block 7, first :)
1489
1490 // incremental pwd range search
1491 start_password = param_get32ex(Cmd, 0, 0, 16);
1492 end_password = param_get32ex(Cmd, 1, 0, 16);
1493
1494 if ( start_password >= end_password ) {
1495 free(keyBlock);
1496 return usage_t55xx_bruteforce();
1497 }
1498
1499 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1500
1501 uint32_t i = start_password;
1502
1503 while ((!found) && (i <= end_password)){
1504
1505 printf(".");
1506 fflush(stdout);
1507 if (ukbhit()) {
1508 getchar();
1509 printf("\naborted via keyboard!\n");
1510 free(keyBlock);
1511 return 0;
1512 }
1513
1514 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1515 PrintAndLog("Aquireing data from device failed. Quitting");
1516 free(keyBlock);
1517 return 0;
1518 }
1519 found = tryDetectModulation();
1520
1521 if (found) break;
1522 i++;
1523 }
1524
1525 PrintAndLog("");
1526
1527 if (found)
1528 PrintAndLog("Found valid password: [%08x]", i);
1529 else
1530 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1531
1532 free(keyBlock);
1533 return 0;
1534 }
1535
1536 static command_t CommandTable[] = {
1537 {"help", CmdHelp, 1, "This help"},
1538 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1539 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1540 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1541 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1542 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1543 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1544 {"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)"},
1545 {"special", special, 0, "Show block changes with 64 different offsets"},
1546 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1547 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1548 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1549 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1550 {NULL, NULL, 0, NULL}
1551 };
1552
1553 int CmdLFT55XX(const char *Cmd) {
1554 CmdsParse(CommandTable, Cmd);
1555 return 0;
1556 }
1557
1558 int CmdHelp(const char *Cmd) {
1559 CmdsHelp(CommandTable);
1560 return 0;
1561 }
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