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ADD: @marshmellow42 's fixes to cmdlft55xx.c (save_restoreGB)
[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 write b 3 d 11223344 - write 11223344 to block 3");
90 PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
91 PrintAndLog("");
92 return 0;
93 }
94 int usage_t55xx_trace() {
95 PrintAndLog("Usage: lf t55xx trace [1]");
96 PrintAndLog("Options:");
97 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
98 PrintAndLog("");
99 PrintAndLog("Examples:");
100 PrintAndLog(" lf t55xx trace");
101 PrintAndLog(" lf t55xx trace 1");
102 PrintAndLog("");
103 return 0;
104 }
105 int usage_t55xx_info() {
106 PrintAndLog("Usage: lf t55xx info [1]");
107 PrintAndLog("Options:");
108 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
109 PrintAndLog("");
110 PrintAndLog("Examples:");
111 PrintAndLog(" lf t55xx info");
112 PrintAndLog(" lf t55xx info 1");
113 PrintAndLog("");
114 return 0;
115 }
116 int usage_t55xx_dump(){
117 PrintAndLog("Usage: lf t55xx dump <password> [o]");
118 PrintAndLog("Options:");
119 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
120 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
121 PrintAndLog("");
122 PrintAndLog("Examples:");
123 PrintAndLog(" lf t55xx dump");
124 PrintAndLog(" lf t55xx dump feedbeef o");
125 PrintAndLog("");
126 return 0;
127 }
128 int usage_t55xx_detect(){
129 PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
130 PrintAndLog("Options:");
131 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
132 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
133 PrintAndLog("");
134 PrintAndLog("Examples:");
135 PrintAndLog(" lf t55xx detect");
136 PrintAndLog(" lf t55xx detect 1");
137 PrintAndLog(" lf t55xx detect p 11223344");
138 PrintAndLog("");
139 return 0;
140 }
141 int usage_t55xx_wakup(){
142 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
143 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
144 PrintAndLog("Options:");
145 PrintAndLog(" h - this help");
146 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
147 PrintAndLog("");
148 PrintAndLog("Examples:");
149 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
150 return 0;
151 }
152 int usage_t55xx_bruteforce(){
153 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
154 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
155 PrintAndLog("This command uses A) bruteforce to scan a number range");
156 PrintAndLog(" B) a dictionary attack");
157 PrintAndLog("Options:");
158 PrintAndLog(" h - this help");
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
168 static int CmdHelp(const char *Cmd);
169
170 void printT5xxHeader(uint8_t page){
171 PrintAndLog("Reading Page %d:", page);
172 PrintAndLog("blk | hex data | binary");
173 PrintAndLog("----+----------+---------------------------------");
174 }
175
176 int CmdT55xxSetConfig(const char *Cmd) {
177
178 uint8_t offset = 0;
179 char modulation[5] = {0x00};
180 char tmp = 0x00;
181 uint8_t bitRate = 0;
182 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
183 uint8_t cmdp = 0;
184 config.Q5 = FALSE;
185 bool errors = FALSE;
186 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
187 {
188 tmp = param_getchar(Cmd, cmdp);
189 switch(tmp)
190 {
191 case 'h':
192 case 'H':
193 return usage_t55xx_config();
194 case 'b':
195 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
196 if ( !errors){
197 uint8_t i = 0;
198 for (; i < 9; i++){
199 if (rates[i]==bitRate) {
200 config.bitrate = i;
201 break;
202 }
203 }
204 if (i==9) errors = TRUE;
205 }
206 cmdp+=2;
207 break;
208 case 'd':
209 param_getstr(Cmd, cmdp+1, modulation);
210 cmdp += 2;
211
212 if ( strcmp(modulation, "FSK" ) == 0) {
213 config.modulation = DEMOD_FSK;
214 } else if ( strcmp(modulation, "FSK1" ) == 0) {
215 config.modulation = DEMOD_FSK1;
216 config.inverted=1;
217 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
218 config.modulation = DEMOD_FSK1a;
219 config.inverted=0;
220 } else if ( strcmp(modulation, "FSK2" ) == 0) {
221 config.modulation = DEMOD_FSK2;
222 config.inverted=0;
223 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
224 config.modulation = DEMOD_FSK2a;
225 config.inverted=1;
226 } else if ( strcmp(modulation, "ASK" ) == 0) {
227 config.modulation = DEMOD_ASK;
228 } else if ( strcmp(modulation, "NRZ" ) == 0) {
229 config.modulation = DEMOD_NRZ;
230 } else if ( strcmp(modulation, "PSK1" ) == 0) {
231 config.modulation = DEMOD_PSK1;
232 } else if ( strcmp(modulation, "PSK2" ) == 0) {
233 config.modulation = DEMOD_PSK2;
234 } else if ( strcmp(modulation, "PSK3" ) == 0) {
235 config.modulation = DEMOD_PSK3;
236 } else if ( strcmp(modulation, "BIa" ) == 0) {
237 config.modulation = DEMOD_BIa;
238 config.inverted=1;
239 } else if ( strcmp(modulation, "BI" ) == 0) {
240 config.modulation = DEMOD_BI;
241 config.inverted=0;
242 } else {
243 PrintAndLog("Unknown modulation '%s'", modulation);
244 errors = TRUE;
245 }
246 break;
247 case 'i':
248 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
249 cmdp+=2;
250 break;
251 case 'o':
252 errors |= param_getdec(Cmd, cmdp+1, &offset);
253 if ( !errors )
254 config.offset = offset;
255 cmdp+=2;
256 break;
257 case 'Q':
258 case 'q':
259 config.Q5 = TRUE;
260 cmdp++;
261 break;
262 default:
263 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
264 errors = TRUE;
265 break;
266 }
267 }
268
269 // No args
270 if (cmdp == 0) return printConfiguration( config );
271
272 //Validations
273 if (errors) return usage_t55xx_config();
274
275 config.block0 = 0;
276 return printConfiguration ( config );
277 }
278
279 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
280 //Password mode
281 if ( usepwd ) {
282 // try reading the config block and verify that PWD bit is set before doing this!
283 if ( !override ) {
284
285 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
286
287 if ( !tryDetectModulation() ) {
288 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
289 return 0;
290 } else {
291 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
292 usepwd = false;
293 page1 = false;
294 }
295 } else {
296 PrintAndLog("Safety Check Overriden - proceeding despite risk");
297 }
298 }
299
300 if (!AquireData(page1, block, usepwd, password) ) return 0;
301 if (!DecodeT55xxBlock()) return 0;
302
303 char blk[10]={0};
304 sprintf(blk,"%02d", block);
305 printT55xxBlock(blk);
306 return 1;
307 }
308
309 int CmdT55xxReadBlock(const char *Cmd) {
310 uint8_t block = REGULAR_READ_MODE_BLOCK;
311 uint32_t password = 0; //default to blank Block 7
312 bool usepwd = false;
313 bool override = false;
314 bool page1 = false;
315 bool errors = false;
316 uint8_t cmdp = 0;
317 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
318 switch(param_getchar(Cmd, cmdp)) {
319 case 'h':
320 case 'H':
321 return usage_t55xx_read();
322 case 'b':
323 case 'B':
324 errors |= param_getdec(Cmd, cmdp+1, &block);
325 cmdp += 2;
326 break;
327 case 'o':
328 case 'O':
329 override = TRUE;
330 cmdp++;
331 break;
332 case 'p':
333 case 'P':
334 password = param_get32ex(Cmd, cmdp+1, 0, 16);
335 usepwd = true;
336 cmdp += 2;
337 break;
338 case '1':
339 page1 = true;
340 cmdp++;
341 break;
342 default:
343 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
344 errors = true;
345 break;
346 }
347 }
348 if (errors) return usage_t55xx_read();
349
350 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
351 PrintAndLog("Block must be between 0 and 7");
352 return 0;
353 }
354
355 printT5xxHeader(page1);
356 return T55xxReadBlock(block, page1, usepwd, override, password);
357 }
358
359 bool DecodeT55xxBlock(){
360
361 char buf[30] = {0x00};
362 char *cmdStr = buf;
363 int ans = 0;
364 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
365 DemodBufferLen = 0x00;
366
367 switch( config.modulation ){
368 case DEMOD_FSK:
369 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
370 ans = FSKrawDemod(cmdStr, FALSE);
371 break;
372 case DEMOD_FSK1:
373 case DEMOD_FSK1a:
374 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
375 ans = FSKrawDemod(cmdStr, FALSE);
376 break;
377 case DEMOD_FSK2:
378 case DEMOD_FSK2a:
379 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
380 ans = FSKrawDemod(cmdStr, FALSE);
381 break;
382 case DEMOD_ASK:
383 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
384 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
385 break;
386 case DEMOD_PSK1:
387 // skip first 16 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
388 save_restoreGB(1);
389 CmdLtrim("160");
390 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
391 ans = PSKDemod(cmdStr, FALSE);
392 save_restoreGB(0);
393 break;
394 case DEMOD_PSK2: //inverted won't affect this
395 case DEMOD_PSK3: //not fully implemented
396 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
397 save_restoreGB(1);
398 CmdLtrim("160");
399 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
400 ans = PSKDemod(cmdStr, FALSE);
401 psk1TOpsk2(DemodBuffer, DemodBufferLen);
402 save_restoreGB(1);
403 break;
404 case DEMOD_NRZ:
405 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
406 ans = NRZrawDemod(cmdStr, FALSE);
407 break;
408 case DEMOD_BI:
409 case DEMOD_BIa:
410 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
411 ans = ASKbiphaseDemod(cmdStr, FALSE);
412 break;
413 default:
414 return FALSE;
415 }
416 return (bool) ans;
417 }
418
419 int CmdT55xxDetect(const char *Cmd){
420
421 bool errors = FALSE;
422 bool useGB = FALSE;
423 bool usepwd = FALSE;
424 uint32_t password = 0;
425 uint8_t cmdp = 0;
426
427 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
428 switch(param_getchar(Cmd, cmdp)) {
429 case 'h':
430 case 'H':
431 return usage_t55xx_detect();
432 case 'p':
433 case 'P':
434 password = param_get32ex(Cmd, cmdp+1, 0, 16);
435 usepwd = TRUE;
436 cmdp += 2;
437 break;
438 case '1':
439 // use Graphbuffer data
440 useGB = TRUE;
441 cmdp++;
442 break;
443 default:
444 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
445 errors = true;
446 break;
447 }
448 }
449 if (errors) return usage_t55xx_detect();
450
451 if ( !useGB) {
452 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
453 return 0;
454 }
455
456 if ( !tryDetectModulation() )
457 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
458
459 return 1;
460 }
461
462 // detect configuration?
463 bool tryDetectModulation(){
464 uint8_t hits = 0;
465 t55xx_conf_block_t tests[15];
466 int bitRate=0;
467 uint8_t fc1 = 0, fc2 = 0, clk=0;
468 save_restoreGB(1);
469
470 if (GetFskClock("", FALSE, FALSE)){
471 fskClocks(&fc1, &fc2, &clk, FALSE);
472 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
473 tests[hits].modulation = DEMOD_FSK;
474 if (fc1==8 && fc2 == 5)
475 tests[hits].modulation = DEMOD_FSK1a;
476 else if (fc1==10 && fc2 == 8)
477 tests[hits].modulation = DEMOD_FSK2;
478 tests[hits].bitrate = bitRate;
479 tests[hits].inverted = FALSE;
480 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
481 ++hits;
482 }
483 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
484 tests[hits].modulation = DEMOD_FSK;
485 if (fc1 == 8 && fc2 == 5)
486 tests[hits].modulation = DEMOD_FSK1;
487 else if (fc1 == 10 && fc2 == 8)
488 tests[hits].modulation = DEMOD_FSK2a;
489
490 tests[hits].bitrate = bitRate;
491 tests[hits].inverted = TRUE;
492 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
493 ++hits;
494 }
495 } else {
496 clk = GetAskClock("", FALSE, FALSE);
497 if (clk>0) {
498 if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
499 tests[hits].modulation = DEMOD_ASK;
500 tests[hits].bitrate = bitRate;
501 tests[hits].inverted = FALSE;
502 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
503 ++hits;
504 }
505 if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
506 tests[hits].modulation = DEMOD_ASK;
507 tests[hits].bitrate = bitRate;
508 tests[hits].inverted = TRUE;
509 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
510 ++hits;
511 }
512 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
513 tests[hits].modulation = DEMOD_BI;
514 tests[hits].bitrate = bitRate;
515 tests[hits].inverted = FALSE;
516 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
517 ++hits;
518 }
519 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
520 tests[hits].modulation = DEMOD_BIa;
521 tests[hits].bitrate = bitRate;
522 tests[hits].inverted = TRUE;
523 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
524 ++hits;
525 }
526 }
527 //undo trim from ask
528 save_restoreGB(0);
529 clk = GetNrzClock("", FALSE, FALSE);
530 if (clk>0) {
531 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
532 tests[hits].modulation = DEMOD_NRZ;
533 tests[hits].bitrate = bitRate;
534 tests[hits].inverted = FALSE;
535 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
536 ++hits;
537 }
538
539 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
540 tests[hits].modulation = DEMOD_NRZ;
541 tests[hits].bitrate = bitRate;
542 tests[hits].inverted = TRUE;
543 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
544 ++hits;
545 }
546 }
547
548 //undo trim from nrz
549 save_restoreGB(0);
550 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
551 CmdLtrim("160");
552 clk = GetPskClock("", FALSE, FALSE);
553 if (clk>0) {
554 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
555 tests[hits].modulation = DEMOD_PSK1;
556 tests[hits].bitrate = bitRate;
557 tests[hits].inverted = FALSE;
558 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
559 ++hits;
560 }
561 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
562 tests[hits].modulation = DEMOD_PSK1;
563 tests[hits].bitrate = bitRate;
564 tests[hits].inverted = TRUE;
565 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
566 ++hits;
567 }
568 // PSK2 - needs a call to psk1TOpsk2.
569 if ( PSKDemod("0 0 6", FALSE)) {
570 psk1TOpsk2(DemodBuffer, DemodBufferLen);
571 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
572 tests[hits].modulation = DEMOD_PSK2;
573 tests[hits].bitrate = bitRate;
574 tests[hits].inverted = FALSE;
575 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
576 ++hits;
577 }
578 } // inverse waves does not affect this demod
579 // PSK3 - needs a call to psk1TOpsk2.
580 if ( PSKDemod("0 0 6", FALSE)) {
581 psk1TOpsk2(DemodBuffer, DemodBufferLen);
582 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
583 tests[hits].modulation = DEMOD_PSK3;
584 tests[hits].bitrate = bitRate;
585 tests[hits].inverted = FALSE;
586 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
587 ++hits;
588 }
589 } // inverse waves does not affect this demod
590 }
591 }
592 save_restoreGB(0);
593 if ( hits == 1) {
594 config.modulation = tests[0].modulation;
595 config.bitrate = tests[0].bitrate;
596 config.inverted = tests[0].inverted;
597 config.offset = tests[0].offset;
598 config.block0 = tests[0].block0;
599 printConfiguration( config );
600 return TRUE;
601 }
602
603 if ( hits > 1) {
604 PrintAndLog("Found [%d] possible matches for modulation.",hits);
605 for(int i=0; i<hits; ++i){
606 PrintAndLog("--[%d]---------------", i+1);
607 printConfiguration( tests[i] );
608 }
609 }
610 return FALSE;
611 }
612
613 bool testModulation(uint8_t mode, uint8_t modread){
614 switch( mode ){
615 case DEMOD_FSK:
616 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
617 break;
618 case DEMOD_ASK:
619 if (modread == DEMOD_ASK) return TRUE;
620 break;
621 case DEMOD_PSK1:
622 if (modread == DEMOD_PSK1) return TRUE;
623 break;
624 case DEMOD_PSK2:
625 if (modread == DEMOD_PSK2) return TRUE;
626 break;
627 case DEMOD_PSK3:
628 if (modread == DEMOD_PSK3) return TRUE;
629 break;
630 case DEMOD_NRZ:
631 if (modread == DEMOD_NRZ) return TRUE;
632 break;
633 case DEMOD_BI:
634 if (modread == DEMOD_BI) return TRUE;
635 break;
636 case DEMOD_BIa:
637 if (modread == DEMOD_BIa) return TRUE;
638 break;
639 default:
640 return FALSE;
641 }
642 return FALSE;
643 }
644
645 bool testQ5Modulation(uint8_t mode, uint8_t modread){
646 switch( mode ){
647 case DEMOD_FSK:
648 if (modread >= 4 && modread <= 5) return TRUE;
649 break;
650 case DEMOD_ASK:
651 if (modread == 0) return TRUE;
652 break;
653 case DEMOD_PSK1:
654 if (modread == 1) return TRUE;
655 break;
656 case DEMOD_PSK2:
657 if (modread == 2) return TRUE;
658 break;
659 case DEMOD_PSK3:
660 if (modread == 3) return TRUE;
661 break;
662 case DEMOD_NRZ:
663 if (modread == 7) return TRUE;
664 break;
665 case DEMOD_BI:
666 if (modread == 6) return TRUE;
667 break;
668 default:
669 return FALSE;
670 }
671 return FALSE;
672 }
673
674 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
675
676 if ( DemodBufferLen < 64 ) return FALSE;
677 uint8_t si = 0;
678 for (uint8_t idx = 28; idx < 64; idx++){
679 si = idx;
680 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
681
682 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
683 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
684 // 2nibble must be zeroed.
685 if (safer != 0x6) continue;
686 if ( resv > 0x00) continue;
687 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
688 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
689 si += 1+1;
690 int bitRate = PackBits(si, 5, DemodBuffer)*2 + 2; si += 5; //bit rate
691 if (bitRate > 128 || bitRate < 8) continue;
692
693 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
694 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
695 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
696 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
697 si += 1+1+2+1;
698 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
699 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
700 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
701 if (maxBlk == 0) continue;
702 //test modulation
703 if (!testQ5Modulation(mode, modread)) continue;
704 if (bitRate != clk) continue;
705 *fndBitRate = bitRate;
706 *offset = idx;
707
708 return TRUE;
709 }
710 return FALSE;
711 }
712
713 bool testBitRate(uint8_t readRate, uint8_t clk){
714 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
715 if (expected[readRate] == clk)
716 return true;
717
718 return false;
719 }
720
721 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
722
723 if ( DemodBufferLen < 64 ) return FALSE;
724 uint8_t si = 0;
725 for (uint8_t idx = 28; idx < 64; idx++){
726 si = idx;
727 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
728
729 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
730 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
731 // 2nibble must be zeroed.
732 // moved test to here, since this gets most faults first.
733 if ( resv > 0x00) continue;
734
735 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
736 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
737 if (bitRate > 7) continue;
738 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
739 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
740 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
741 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
742 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
743
744 //if extended mode
745 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
746
747 if (!extMode){
748 if (nml01 || nml02 || xtRate) continue;
749 }
750 //test modulation
751 if (!testModulation(mode, modread)) continue;
752 if (!testBitRate(bitRate, clk)) continue;
753 *fndBitRate = bitRate;
754 *offset = idx;
755 *Q5 = FALSE;
756 return TRUE;
757 }
758 if (testQ5(mode, offset, fndBitRate, clk)) {
759 *Q5 = TRUE;
760 return TRUE;
761 }
762 return FALSE;
763 }
764
765 void printT55xxBlock(const char *blockNum){
766
767 uint8_t i = config.offset;
768 uint8_t endpos = 32 + i;
769 uint32_t blockData = 0;
770 uint8_t bits[64] = {0x00};
771
772 if ( !DemodBufferLen) return;
773
774 if ( endpos > DemodBufferLen){
775 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
776 return;
777 }
778
779 for (; i < endpos; ++i)
780 bits[i - config.offset] = DemodBuffer[i];
781
782 blockData = PackBits(0, 32, bits);
783
784 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
785 }
786
787 int special(const char *Cmd) {
788 uint32_t blockData = 0;
789 uint8_t bits[32] = {0x00};
790
791 PrintAndLog("OFFSET | DATA | BINARY");
792 PrintAndLog("----------------------------------------------------");
793 int i,j = 0;
794 for (; j < 64; ++j){
795
796 for (i = 0; i < 32; ++i)
797 bits[i]=DemodBuffer[j+i];
798
799 blockData = PackBits(0, 32, bits);
800
801 PrintAndLog("%02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
802 }
803 return 0;
804 }
805
806 int printConfiguration( t55xx_conf_block_t b){
807 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
808 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
809 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
810 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
811 PrintAndLog("Offset : %d", b.offset);
812 PrintAndLog("Block0 : 0x%08X", b.block0);
813 PrintAndLog("");
814 return 0;
815 }
816
817 int CmdT55xxWakeUp(const char *Cmd) {
818 uint32_t password = 0;
819 uint8_t cmdp = 0;
820 bool errors = false;
821 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
822 switch(param_getchar(Cmd, cmdp)) {
823 case 'h':
824 case 'H':
825 return usage_t55xx_wakup();
826 case 'p':
827 case 'P':
828 password = param_get32ex(Cmd, cmdp+1, 0, 16);
829 cmdp += 2;
830 errors = false;
831 break;
832 default:
833 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
834 errors = true;
835 break;
836 }
837 }
838 if (errors) return usage_t55xx_wakup();
839
840 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
841 clearCommandBuffer();
842 SendCommand(&c);
843 PrintAndLog("Wake up command sent. Try read now");
844 return 0;
845 }
846
847 int CmdT55xxWriteBlock(const char *Cmd) {
848 uint8_t block = 0xFF; //default to invalid block
849 uint32_t data = 0; //default to blank Block
850 uint32_t password = 0; //default to blank Block 7
851 bool usepwd = false;
852 bool page1 = false;
853 bool gotdata = false;
854 bool errors = false;
855 uint8_t cmdp = 0;
856 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
857 switch(param_getchar(Cmd, cmdp)) {
858 case 'h':
859 case 'H':
860 return usage_t55xx_write();
861 case 'b':
862 case 'B':
863 errors |= param_getdec(Cmd, cmdp+1, &block);
864 cmdp += 2;
865 break;
866 case 'd':
867 case 'D':
868 data = param_get32ex(Cmd, cmdp+1, 0, 16);
869 gotdata = true;
870 cmdp += 2;
871 break;
872 case 'p':
873 case 'P':
874 password = param_get32ex(Cmd, cmdp+1, 0, 16);
875 usepwd = true;
876 cmdp += 2;
877 break;
878 case '1':
879 page1 = true;
880 cmdp++;
881 break;
882 default:
883 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
884 errors = true;
885 break;
886 }
887 }
888 if (errors || !gotdata) return usage_t55xx_write();
889
890 if (block > 7) {
891 PrintAndLog("Block number must be between 0 and 7");
892 return 0;
893 }
894
895 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
896 UsbCommand resp;
897 c.d.asBytes[0] = (page1) ? 0x2 : 0;
898
899 char pwdStr[16] = {0};
900 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
901
902 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
903
904 //Password mode
905 if (usepwd) {
906 c.arg[2] = password;
907 c.d.asBytes[0] |= 0x1;
908 }
909 clearCommandBuffer();
910 SendCommand(&c);
911 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
912 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
913 return 0;
914 }
915 return 1;
916 }
917
918 int CmdT55xxReadTrace(const char *Cmd) {
919 char cmdp = param_getchar(Cmd, 0);
920 bool pwdmode = false;
921 uint32_t password = 0;
922 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();
923
924 if (strlen(Cmd)==0)
925 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
926 return 0;
927
928 if (!DecodeT55xxBlock()) return 0;
929
930 if ( !DemodBufferLen) return 0;
931
932 RepaintGraphWindow();
933 uint8_t repeat = 0;
934 if (config.offset > 5)
935 repeat = 32;
936 uint8_t si = config.offset+repeat;
937 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
938 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
939
940 uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;
941 uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;
942 uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;
943 uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;
944 uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;
945 uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;
946 uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;
947 uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;
948 uint32_t dw = PackBits(si, 15, DemodBuffer);
949
950 time_t t = time(NULL);
951 struct tm tm = *localtime(&t);
952 if ( year > tm.tm_year-110)
953 year += 2000;
954 else
955 year += 2010;
956
957 if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected");
958 if ( acl != 0xE0 ) {
959 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
960 return 0;
961 }
962 PrintAndLog("");
963 PrintAndLog("-- T55xx Trace Information ----------------------------------");
964 PrintAndLog("-------------------------------------------------------------");
965 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
966 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));
967 PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));
968 PrintAndLog(" ICR IC Revision : %d",icr );
969 PrintAndLog(" Manufactured");
970 PrintAndLog(" Year/Quarter : %d/%d",year, quarter);
971 PrintAndLog(" Lot ID : %d", lotid );
972 PrintAndLog(" Wafer number : %d", wafer);
973 PrintAndLog(" Die Number : %d", dw);
974 PrintAndLog("-------------------------------------------------------------");
975 PrintAndLog(" Raw Data - Page 1");
976 PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
977 PrintAndLog(" Block 2 : 0x%08X %s", bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
978 PrintAndLog("-------------------------------------------------------------");
979
980 /*
981 TRACE - BLOCK O
982 Bits Definition HEX
983 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
984 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
985 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
986 22-24 ICR IC revision
987 25-28 YEAR (BCD encoded) 9 (= 2009)
988 29-30 QUARTER 1,2,3,4
989 31-32 LOT ID
990
991 TRACE - BLOCK 1
992 1-12 LOT ID
993 13-17 Wafer number
994 18-32 DW, die number sequential
995 */
996
997 return 0;
998 }
999
1000 int CmdT55xxInfo(const char *Cmd){
1001 /*
1002 Page 0 Block 0 Configuration data.
1003 Normal mode
1004 Extended mode
1005 */
1006 bool pwdmode = false;
1007 uint32_t password = 0;
1008 char cmdp = param_getchar(Cmd, 0);
1009
1010 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info();
1011
1012 if (strlen(Cmd)==0)
1013 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1014 return 1;
1015
1016 if (!DecodeT55xxBlock()) return 1;
1017
1018 // too little space to start with
1019 if ( DemodBufferLen < 32) return 1;
1020
1021 //
1022 PrintAndLog("Offset+32 ==%d\n DemodLen == %d", config.offset + 32,DemodBufferLen );
1023
1024
1025
1026 uint8_t si = config.offset;
1027 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1028
1029 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1030 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1031 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1032 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1033 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1034 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1035 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1036 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1037 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1038 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1039 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1040 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1041 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1042 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1043 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1044 PrintAndLog("");
1045 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
1046 PrintAndLog("-------------------------------------------------------------");
1047 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1048 PrintAndLog(" reserved : %d", resv);
1049 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1050 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1051 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1052 PrintAndLog(" PSK clock frequency : %d", pskcf);
1053 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1054 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1055 PrintAndLog(" Max block : %d", maxblk);
1056 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1057 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1058 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1059 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1060 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1061 PrintAndLog("-------------------------------------------------------------");
1062 PrintAndLog(" Raw Data - Page 0");
1063 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1064 PrintAndLog("-------------------------------------------------------------");
1065
1066 return 0;
1067 }
1068
1069 int CmdT55xxDump(const char *Cmd){
1070
1071 uint32_t password = 0;
1072 bool override = false;
1073 char cmdp = param_getchar(Cmd, 0);
1074 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1075
1076 bool usepwd = ( strlen(Cmd) > 0);
1077 if ( usepwd ){
1078 password = param_get32ex(Cmd, 0, 0, 16);
1079 if (param_getchar(Cmd, 1) =='o' )
1080 override = true;
1081 }
1082
1083 printT5xxHeader(0);
1084 for ( uint8_t i = 0; i < 8; ++i)
1085 T55xxReadBlock(i, 0, usepwd, override, password);
1086
1087 printT5xxHeader(1);
1088 for ( uint8_t i = 0; i < 4; i++)
1089 T55xxReadBlock(i, 1, usepwd, override, password);
1090
1091 return 1;
1092 }
1093
1094 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1095 // arg0 bitmodes:
1096 // bit0 = pwdmode
1097 // bit1 = page to read from
1098 uint8_t arg0 = (page<<1) | pwdmode;
1099 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1100
1101 clearCommandBuffer();
1102 SendCommand(&c);
1103 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1104 PrintAndLog("command execution time out");
1105 return 0;
1106 }
1107
1108 uint8_t got[12000];
1109 GetFromBigBuf(got,sizeof(got),0);
1110 WaitForResponse(CMD_ACK,NULL);
1111 setGraphBuf(got, sizeof(got));
1112 return 1;
1113 }
1114
1115 char * GetBitRateStr(uint32_t id){
1116 static char buf[25];
1117
1118 char *retStr = buf;
1119 switch (id){
1120 case 0:
1121 snprintf(retStr,sizeof(buf),"%d - RF/8",id);
1122 break;
1123 case 1:
1124 snprintf(retStr,sizeof(buf),"%d - RF/16",id);
1125 break;
1126 case 2:
1127 snprintf(retStr,sizeof(buf),"%d - RF/32",id);
1128 break;
1129 case 3:
1130 snprintf(retStr,sizeof(buf),"%d - RF/40",id);
1131 break;
1132 case 4:
1133 snprintf(retStr,sizeof(buf),"%d - RF/50",id);
1134 break;
1135 case 5:
1136 snprintf(retStr,sizeof(buf),"%d - RF/64",id);
1137 break;
1138 case 6:
1139 snprintf(retStr,sizeof(buf),"%d - RF/100",id);
1140 break;
1141 case 7:
1142 snprintf(retStr,sizeof(buf),"%d - RF/128",id);
1143 break;
1144 default:
1145 snprintf(retStr,sizeof(buf),"%d - (Unknown)",id);
1146 break;
1147 }
1148
1149 return buf;
1150 }
1151
1152 char * GetSaferStr(uint32_t id){
1153 static char buf[40];
1154 char *retStr = buf;
1155
1156 snprintf(retStr,sizeof(buf),"%d",id);
1157 if (id == 6) {
1158 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1159 }
1160 if (id == 9 ){
1161 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1162 }
1163
1164 return buf;
1165 }
1166
1167 char * GetModulationStr( uint32_t id){
1168 static char buf[60];
1169 char *retStr = buf;
1170
1171 switch (id){
1172 case 0:
1173 snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id);
1174 break;
1175 case 1:
1176 snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id);
1177 break;
1178 case 2:
1179 snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id);
1180 break;
1181 case 3:
1182 snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id);
1183 break;
1184 case 4:
1185 snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id);
1186 break;
1187 case 5:
1188 snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id);
1189 break;
1190 case 6:
1191 snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id);
1192 break;
1193 case 7:
1194 snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id);
1195 break;
1196 case 8:
1197 snprintf(retStr,sizeof(buf),"%d - Manchester",id);
1198 break;
1199 case 16:
1200 snprintf(retStr,sizeof(buf),"%d - Biphase",id);
1201 break;
1202 case 0x18:
1203 snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);
1204 break;
1205 case 17:
1206 snprintf(retStr,sizeof(buf),"%d - Reserved",id);
1207 break;
1208 default:
1209 snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id);
1210 break;
1211 }
1212 return buf;
1213 }
1214
1215 char * GetModelStrFromCID(uint32_t cid){
1216
1217 static char buf[10];
1218 char *retStr = buf;
1219
1220 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1221 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1222 return buf;
1223 }
1224
1225 char * GetSelectedModulationStr( uint8_t id){
1226
1227 static char buf[20];
1228 char *retStr = buf;
1229
1230 switch (id){
1231 case DEMOD_FSK:
1232 snprintf(retStr,sizeof(buf),"FSK");
1233 break;
1234 case DEMOD_FSK1:
1235 snprintf(retStr,sizeof(buf),"FSK1");
1236 break;
1237 case DEMOD_FSK1a:
1238 snprintf(retStr,sizeof(buf),"FSK1a");
1239 break;
1240 case DEMOD_FSK2:
1241 snprintf(retStr,sizeof(buf),"FSK2");
1242 break;
1243 case DEMOD_FSK2a:
1244 snprintf(retStr,sizeof(buf),"FSK2a");
1245 break;
1246 case DEMOD_ASK:
1247 snprintf(retStr,sizeof(buf),"ASK");
1248 break;
1249 case DEMOD_NRZ:
1250 snprintf(retStr,sizeof(buf),"DIRECT/NRZ");
1251 break;
1252 case DEMOD_PSK1:
1253 snprintf(retStr,sizeof(buf),"PSK1");
1254 break;
1255 case DEMOD_PSK2:
1256 snprintf(retStr,sizeof(buf),"PSK2");
1257 break;
1258 case DEMOD_PSK3:
1259 snprintf(retStr,sizeof(buf),"PSK3");
1260 break;
1261 case DEMOD_BI:
1262 snprintf(retStr,sizeof(buf),"BIPHASE");
1263 break;
1264 case DEMOD_BIa:
1265 snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)");
1266 break;
1267 default:
1268 snprintf(retStr,sizeof(buf),"(Unknown)");
1269 break;
1270 }
1271 return buf;
1272 }
1273
1274 void t55x7_create_config_block( int tagtype ){
1275
1276 /*
1277 T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK
1278 T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK,
1279 T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK
1280 T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK
1281 */
1282 static char buf[60];
1283 char *retStr = buf;
1284
1285 switch (tagtype){
1286 case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;
1287 case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;
1288 default:
1289 break;
1290 }
1291 PrintAndLog(buf);
1292 }
1293
1294 int CmdResetRead(const char *Cmd) {
1295 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1296
1297 clearCommandBuffer();
1298 SendCommand(&c);
1299 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1300 PrintAndLog("command execution time out");
1301 return 0;
1302 }
1303
1304 uint8_t got[BIGBUF_SIZE-1];
1305 GetFromBigBuf(got,sizeof(got),0);
1306 WaitForResponse(CMD_ACK,NULL);
1307 setGraphBuf(got, sizeof(got));
1308 return 1;
1309 }
1310
1311 int CmdT55xxWipe(const char *Cmd) {
1312 char writeData[20] = {0};
1313 char *ptrData = writeData;
1314
1315 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1316
1317 //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)
1318 snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");
1319
1320 if (!CmdT55xxWriteBlock(ptrData))
1321 PrintAndLog("Error writing blk 0");
1322
1323 for (uint8_t blk = 1; blk<8; blk++) {
1324
1325 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1326
1327 if (!CmdT55xxWriteBlock(ptrData))
1328 PrintAndLog("Error writing blk %d", blk);
1329
1330 memset(writeData,0x00, sizeof(writeData));
1331 }
1332 return 0;
1333 }
1334
1335 int CmdT55xxBruteForce(const char *Cmd) {
1336
1337 // load a default pwd file.
1338 char buf[9];
1339 char filename[FILE_PATH_SIZE]={0};
1340 int keycnt = 0;
1341 uint8_t stKeyBlock = 20;
1342 uint8_t *keyBlock = NULL, *p;
1343 keyBlock = calloc(stKeyBlock, 6);
1344 if (keyBlock == NULL) return 1;
1345
1346 uint32_t start_password = 0x00000000; //start password
1347 uint32_t end_password = 0xFFFFFFFF; //end password
1348 bool found = false;
1349
1350 char cmdp = param_getchar(Cmd, 0);
1351 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1352
1353 if (cmdp == 'i' || cmdp == 'I') {
1354
1355 int len = strlen(Cmd+2);
1356 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1357 memcpy(filename, Cmd+2, len);
1358
1359 FILE * f = fopen( filename , "r");
1360
1361 if ( !f ) {
1362 PrintAndLog("File: %s: not found or locked.", filename);
1363 free(keyBlock);
1364 return 1;
1365 }
1366
1367 while( fgets(buf, sizeof(buf), f) ){
1368 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1369
1370 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1371
1372 //The line start with # is comment, skip
1373 if( buf[0]=='#' ) continue;
1374
1375 if (!isxdigit(buf[0])){
1376 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1377 continue;
1378 }
1379
1380 buf[8] = 0;
1381
1382 if ( stKeyBlock - keycnt < 2) {
1383 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1384 if (!p) {
1385 PrintAndLog("Cannot allocate memory for defaultKeys");
1386 free(keyBlock);
1387 return 2;
1388 }
1389 keyBlock = p;
1390 }
1391 memset(keyBlock + 4 * keycnt, 0, 4);
1392 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1393 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1394 keycnt++;
1395 memset(buf, 0, sizeof(buf));
1396 }
1397 fclose(f);
1398
1399 if (keycnt == 0) {
1400 PrintAndLog("No keys found in file");
1401 return 1;
1402 }
1403 PrintAndLog("Loaded %d keys", keycnt);
1404
1405 // loop
1406 uint64_t testpwd = 0x00;
1407 for (uint16_t c = 0; c < keycnt; ++c ) {
1408
1409 if (ukbhit()) {
1410 getchar();
1411 printf("\naborted via keyboard!\n");
1412 return 0;
1413 }
1414
1415 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1416
1417 PrintAndLog("Testing %08X", testpwd);
1418
1419
1420 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1421 PrintAndLog("Aquireing data from device failed. Quitting");
1422 return 0;
1423 }
1424
1425 found = tryDetectModulation();
1426
1427 if ( found ) {
1428 PrintAndLog("Found valid password: [%08X]", testpwd);
1429 return 0;
1430 }
1431 }
1432 PrintAndLog("Password NOT found.");
1433 return 0;
1434 }
1435
1436 // Try to read Block 7, first :)
1437
1438 // incremental pwd range search
1439 start_password = param_get32ex(Cmd, 0, 0, 16);
1440 end_password = param_get32ex(Cmd, 1, 0, 16);
1441
1442 if ( start_password >= end_password ) return usage_t55xx_bruteforce();
1443
1444 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1445
1446 uint32_t i = start_password;
1447
1448 while ((!found) && (i <= end_password)){
1449
1450 printf(".");
1451 fflush(stdout);
1452 if (ukbhit()) {
1453 getchar();
1454 printf("\naborted via keyboard!\n");
1455 return 0;
1456 }
1457
1458 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1459 PrintAndLog("Aquireing data from device failed. Quitting");
1460 return 0;
1461 }
1462 found = tryDetectModulation();
1463
1464 if (found) break;
1465 i++;
1466 }
1467
1468 PrintAndLog("");
1469
1470 if (found)
1471 PrintAndLog("Found valid password: [%08x]", i);
1472 else
1473 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1474 return 0;
1475 }
1476
1477 static command_t CommandTable[] = {
1478 {"help", CmdHelp, 1, "This help"},
1479 {"bruteforce", CmdT55xxBruteForce,0, "Simple bruteforce attack to find password"},
1480 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1481 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1482 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1483 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1484 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1485 {"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)"},
1486 {"special", special, 0, "Show block changes with 64 different offsets"},
1487 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1488 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1489 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1490 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1491 {NULL, NULL, 0, NULL}
1492 };
1493
1494 int CmdLFT55XX(const char *Cmd) {
1495 CmdsParse(CommandTable, Cmd);
1496 return 0;
1497 }
1498
1499 int CmdHelp(const char *Cmd) {
1500 CmdsHelp(CommandTable);
1501 return 0;
1502 }
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