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[proxmark3-svn] / client / cmdlft55xx.c
1 //-----------------------------------------------------------------------------
2 //
3 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
4 // at your option, any later version. See the LICENSE.txt file for the text of
5 // the license.
6 //-----------------------------------------------------------------------------
7 // Low frequency T55xx commands
8 //-----------------------------------------------------------------------------
9
10 #include <stdio.h>
11 #include <string.h>
12 #include <inttypes.h>
13 #include <time.h>
14 #include "proxmark3.h"
15 #include "ui.h"
16 #include "graph.h"
17 #include "cmdmain.h"
18 #include "cmdparser.h"
19 #include "cmddata.h"
20 #include "cmdlf.h"
21 #include "cmdlft55xx.h"
22 #include "util.h"
23 #include "data.h"
24 #include "lfdemod.h"
25 #include "../common/crc.h"
26 #include "../common/iso14443crc.h"
27 #include "cmdhf14a.h"
28
29 #define T55x7_CONFIGURATION_BLOCK 0x00
30 #define T55x7_PAGE0 0x00
31 #define T55x7_PAGE1 0x01
32 #define T55x7_PWD 0x00000010
33 #define REGULAR_READ_MODE_BLOCK 0xFF
34
35 // Default configuration
36 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00, .Q5 = FALSE };
37
38 t55xx_conf_block_t Get_t55xx_Config(){
39 return config;
40 }
41 void Set_t55xx_Config(t55xx_conf_block_t conf){
42 config = conf;
43 }
44
45 int usage_t55xx_config(){
46 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
47 PrintAndLog("Options:");
48 PrintAndLog(" h This help");
49 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
50 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
51 PrintAndLog(" i [1] Invert data signal, defaults to normal");
52 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
53 PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
54 PrintAndLog("");
55 PrintAndLog("Examples:");
56 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
57 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
58 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
59 PrintAndLog("");
60 return 0;
61 }
62 int usage_t55xx_read(){
63 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
64 PrintAndLog("Options:");
65 PrintAndLog(" b <block> - block number to read. Between 0-7");
66 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
67 PrintAndLog(" o - OPTIONAL override safety check");
68 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
69 PrintAndLog(" ****WARNING****");
70 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
71 PrintAndLog(" can damage the tag");
72 PrintAndLog("");
73 PrintAndLog("Examples:");
74 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
75 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
76 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
77 PrintAndLog("");
78 return 0;
79 }
80 int usage_t55xx_write(){
81 PrintAndLog("Usage: lf t55xx wr [b <block>] [d <data>] [p <password>] [1]");
82 PrintAndLog("Options:");
83 PrintAndLog(" b <block> - block number to write. Between 0-7");
84 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
85 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
86 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
87 PrintAndLog("");
88 PrintAndLog("Examples:");
89 PrintAndLog(" lf t55xx wr b 3 d 11223344 - write 11223344 to block 3");
90 PrintAndLog(" lf t55xx wr b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
91 PrintAndLog("");
92 return 0;
93 }
94 int usage_t55xx_trace() {
95 PrintAndLog("Usage: lf t55xx trace [1]");
96 PrintAndLog("Options:");
97 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
98 PrintAndLog("");
99 PrintAndLog("Examples:");
100 PrintAndLog(" lf t55xx trace");
101 PrintAndLog(" lf t55xx trace 1");
102 PrintAndLog("");
103 return 0;
104 }
105 int usage_t55xx_info() {
106 PrintAndLog("Usage: lf t55xx info [1]");
107 PrintAndLog("Options:");
108 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
109 PrintAndLog("");
110 PrintAndLog("Examples:");
111 PrintAndLog(" lf t55xx info");
112 PrintAndLog(" lf t55xx info 1");
113 PrintAndLog("");
114 return 0;
115 }
116 int usage_t55xx_dump(){
117 PrintAndLog("Usage: lf t55xx dump <password> [o]");
118 PrintAndLog("Options:");
119 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
120 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
121 PrintAndLog("");
122 PrintAndLog("Examples:");
123 PrintAndLog(" lf t55xx dump");
124 PrintAndLog(" lf t55xx dump feedbeef o");
125 PrintAndLog("");
126 return 0;
127 }
128 int usage_t55xx_detect(){
129 PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
130 PrintAndLog("Options:");
131 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
132 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
133 PrintAndLog("");
134 PrintAndLog("Examples:");
135 PrintAndLog(" lf t55xx detect");
136 PrintAndLog(" lf t55xx detect 1");
137 PrintAndLog(" lf t55xx detect p 11223344");
138 PrintAndLog("");
139 return 0;
140 }
141 int usage_t55xx_wakup(){
142 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
143 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
144 PrintAndLog("Options:");
145 PrintAndLog(" h - this help");
146 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
147 PrintAndLog("");
148 PrintAndLog("Examples:");
149 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
150 return 0;
151 }
152 int usage_t55xx_bruteforce(){
153 PrintAndLog("This command uses A) bruteforce to scan a number range");
154 PrintAndLog(" B) a dictionary attack");
155 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
156 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
157 PrintAndLog("Options:");
158 PrintAndLog(" h - this help");
159 PrintAndLog(" <start_pwd> - 4 byte hex value to start pwd search at");
160 PrintAndLog(" <end_pwd> - 4 byte hex value to end pwd search at");
161 PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");
162 PrintAndLog("");
163 PrintAndLog("Examples:");
164 PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");
165 PrintAndLog(" lf t55xx bruteforce i default_pwd.dic");
166 PrintAndLog("");
167 return 0;
168 }
169
170 static int CmdHelp(const char *Cmd);
171
172 void printT5xxHeader(uint8_t page){
173 PrintAndLog("Reading Page %d:", page);
174 PrintAndLog("blk | hex data | binary");
175 PrintAndLog("----+----------+---------------------------------");
176 }
177
178 int CmdT55xxSetConfig(const char *Cmd) {
179
180 uint8_t offset = 0;
181 char modulation[5] = {0x00};
182 char tmp = 0x00;
183 uint8_t bitRate = 0;
184 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
185 uint8_t cmdp = 0;
186 config.Q5 = FALSE;
187 bool errors = FALSE;
188 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
189 {
190 tmp = param_getchar(Cmd, cmdp);
191 switch(tmp)
192 {
193 case 'h':
194 case 'H':
195 return usage_t55xx_config();
196 case 'b':
197 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
198 if ( !errors){
199 uint8_t i = 0;
200 for (; i < 9; i++){
201 if (rates[i]==bitRate) {
202 config.bitrate = i;
203 break;
204 }
205 }
206 if (i==9) errors = TRUE;
207 }
208 cmdp+=2;
209 break;
210 case 'd':
211 param_getstr(Cmd, cmdp+1, modulation);
212 cmdp += 2;
213
214 if ( strcmp(modulation, "FSK" ) == 0) {
215 config.modulation = DEMOD_FSK;
216 } else if ( strcmp(modulation, "FSK1" ) == 0) {
217 config.modulation = DEMOD_FSK1;
218 config.inverted=1;
219 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
220 config.modulation = DEMOD_FSK1a;
221 config.inverted=0;
222 } else if ( strcmp(modulation, "FSK2" ) == 0) {
223 config.modulation = DEMOD_FSK2;
224 config.inverted=0;
225 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
226 config.modulation = DEMOD_FSK2a;
227 config.inverted=1;
228 } else if ( strcmp(modulation, "ASK" ) == 0) {
229 config.modulation = DEMOD_ASK;
230 } else if ( strcmp(modulation, "NRZ" ) == 0) {
231 config.modulation = DEMOD_NRZ;
232 } else if ( strcmp(modulation, "PSK1" ) == 0) {
233 config.modulation = DEMOD_PSK1;
234 } else if ( strcmp(modulation, "PSK2" ) == 0) {
235 config.modulation = DEMOD_PSK2;
236 } else if ( strcmp(modulation, "PSK3" ) == 0) {
237 config.modulation = DEMOD_PSK3;
238 } else if ( strcmp(modulation, "BIa" ) == 0) {
239 config.modulation = DEMOD_BIa;
240 config.inverted=1;
241 } else if ( strcmp(modulation, "BI" ) == 0) {
242 config.modulation = DEMOD_BI;
243 config.inverted=0;
244 } else {
245 PrintAndLog("Unknown modulation '%s'", modulation);
246 errors = TRUE;
247 }
248 break;
249 case 'i':
250 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
251 cmdp+=2;
252 break;
253 case 'o':
254 errors |= param_getdec(Cmd, cmdp+1, &offset);
255 if ( !errors )
256 config.offset = offset;
257 cmdp+=2;
258 break;
259 case 'Q':
260 case 'q':
261 config.Q5 = TRUE;
262 cmdp++;
263 break;
264 default:
265 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
266 errors = TRUE;
267 break;
268 }
269 }
270
271 // No args
272 if (cmdp == 0) return printConfiguration( config );
273
274 //Validations
275 if (errors) return usage_t55xx_config();
276
277 config.block0 = 0;
278 return printConfiguration ( config );
279 }
280
281 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
282 //Password mode
283 if ( usepwd ) {
284 // try reading the config block and verify that PWD bit is set before doing this!
285 if ( !override ) {
286 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
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,"%d", 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 160 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 //undo trim samples
393 save_restoreGB(0);
394 break;
395 case DEMOD_PSK2: //inverted won't affect this
396 case DEMOD_PSK3: //not fully implemented
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 0 6", bitRate[config.bitrate] );
401 ans = PSKDemod(cmdStr, FALSE);
402 psk1TOpsk2(DemodBuffer, DemodBufferLen);
403 //undo trim samples
404 save_restoreGB(0);
405 break;
406 case DEMOD_NRZ:
407 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
408 ans = NRZrawDemod(cmdStr, FALSE);
409 break;
410 case DEMOD_BI:
411 case DEMOD_BIa:
412 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
413 ans = ASKbiphaseDemod(cmdStr, FALSE);
414 break;
415 default:
416 return FALSE;
417 }
418 return (bool) ans;
419 }
420
421 int CmdT55xxDetect(const char *Cmd){
422 bool errors = FALSE;
423 bool useGB = FALSE;
424 bool usepwd = FALSE;
425 uint32_t password = 0;
426 uint8_t cmdp = 0;
427
428 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
429 switch(param_getchar(Cmd, cmdp)) {
430 case 'h':
431 case 'H':
432 return usage_t55xx_detect();
433 case 'p':
434 case 'P':
435 password = param_get32ex(Cmd, cmdp+1, 0, 16);
436 usepwd = TRUE;
437 cmdp += 2;
438 break;
439 case '1':
440 // use Graphbuffer data
441 useGB = TRUE;
442 cmdp++;
443 break;
444 default:
445 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
446 errors = true;
447 break;
448 }
449 }
450 if (errors) return usage_t55xx_detect();
451
452 if ( !useGB) {
453 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
454 return 0;
455 }
456
457 if ( !tryDetectModulation() )
458 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
459
460 return 1;
461 }
462
463 // detect configuration?
464 bool tryDetectModulation(){
465 uint8_t hits = 0;
466 t55xx_conf_block_t tests[15];
467 int bitRate=0;
468 uint8_t fc1 = 0, fc2 = 0, clk=0;
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 // allow undo
549 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
550 save_restoreGB(1);
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 //undo trim samples
592 save_restoreGB(0);
593 }
594 if ( hits == 1) {
595 config.modulation = tests[0].modulation;
596 config.bitrate = tests[0].bitrate;
597 config.inverted = tests[0].inverted;
598 config.offset = tests[0].offset;
599 config.block0 = tests[0].block0;
600 printConfiguration( config );
601 return TRUE;
602 }
603
604 if ( hits > 1) {
605 PrintAndLog("Found [%d] possible matches for modulation.",hits);
606 for(int i=0; i<hits; ++i){
607 PrintAndLog("--[%d]---------------", i+1);
608 printConfiguration( tests[i] );
609 }
610 }
611 return FALSE;
612 }
613
614 bool testModulation(uint8_t mode, uint8_t modread){
615 switch( mode ){
616 case DEMOD_FSK:
617 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
618 break;
619 case DEMOD_ASK:
620 if (modread == DEMOD_ASK) return TRUE;
621 break;
622 case DEMOD_PSK1:
623 if (modread == DEMOD_PSK1) return TRUE;
624 break;
625 case DEMOD_PSK2:
626 if (modread == DEMOD_PSK2) return TRUE;
627 break;
628 case DEMOD_PSK3:
629 if (modread == DEMOD_PSK3) return TRUE;
630 break;
631 case DEMOD_NRZ:
632 if (modread == DEMOD_NRZ) return TRUE;
633 break;
634 case DEMOD_BI:
635 if (modread == DEMOD_BI) return TRUE;
636 break;
637 case DEMOD_BIa:
638 if (modread == DEMOD_BIa) return TRUE;
639 break;
640 default:
641 return FALSE;
642 }
643 return FALSE;
644 }
645
646 bool testQ5Modulation(uint8_t mode, uint8_t modread){
647 switch( mode ){
648 case DEMOD_FSK:
649 if (modread >= 4 && modread <= 5) return TRUE;
650 break;
651 case DEMOD_ASK:
652 if (modread == 0) return TRUE;
653 break;
654 case DEMOD_PSK1:
655 if (modread == 1) return TRUE;
656 break;
657 case DEMOD_PSK2:
658 if (modread == 2) return TRUE;
659 break;
660 case DEMOD_PSK3:
661 if (modread == 3) return TRUE;
662 break;
663 case DEMOD_NRZ:
664 if (modread == 7) return TRUE;
665 break;
666 case DEMOD_BI:
667 if (modread == 6) return TRUE;
668 break;
669 default:
670 return FALSE;
671 }
672 return FALSE;
673 }
674
675 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
676
677 if ( DemodBufferLen < 64 ) return FALSE;
678 uint8_t si = 0;
679 for (uint8_t idx = 28; idx < 64; idx++){
680 si = idx;
681 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
682
683 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
684 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
685 // 2nibble must be zeroed.
686 if (safer != 0x6) continue;
687 if ( resv > 0x00) continue;
688 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
689 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
690 si += 1+1;
691 int bitRate = PackBits(si, 5, DemodBuffer)*2 + 2; si += 5; //bit rate
692 if (bitRate > 128 || bitRate < 8) continue;
693
694 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
695 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
696 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
697 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
698 si += 1+1+2+1;
699 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
700 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
701 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
702 if (maxBlk == 0) continue;
703 //test modulation
704 if (!testQ5Modulation(mode, modread)) continue;
705 if (bitRate != clk) continue;
706 *fndBitRate = bitRate;
707 *offset = idx;
708
709 return TRUE;
710 }
711 return FALSE;
712 }
713
714 bool testBitRate(uint8_t readRate, uint8_t clk){
715 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
716 if (expected[readRate] == clk)
717 return true;
718
719 return false;
720 }
721
722 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
723
724 if ( DemodBufferLen < 64 ) return FALSE;
725 uint8_t si = 0;
726 for (uint8_t idx = 28; idx < 64; idx++){
727 si = idx;
728 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
729
730 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
731 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
732 // 2nibble must be zeroed.
733 // moved test to here, since this gets most faults first.
734 if ( resv > 0x00) continue;
735
736 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
737 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
738 if (bitRate > 7) continue;
739 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
740 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
741 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
742 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
743 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
744
745 //if extended mode
746 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
747
748 if (!extMode){
749 if (nml01 || nml02 || xtRate) continue;
750 }
751 //test modulation
752 if (!testModulation(mode, modread)) continue;
753 if (!testBitRate(bitRate, clk)) continue;
754 *fndBitRate = bitRate;
755 *offset = idx;
756 *Q5 = FALSE;
757 return TRUE;
758 }
759 if (testQ5(mode, offset, fndBitRate, clk)) {
760 *Q5 = TRUE;
761 return TRUE;
762 }
763 return FALSE;
764 }
765
766 void printT55xxBlock(const char *blockNum){
767
768 uint8_t i = config.offset;
769 uint8_t endpos = 32 + i;
770 uint32_t blockData = 0;
771 uint8_t bits[64] = {0x00};
772
773 if ( !DemodBufferLen) return;
774
775 if ( endpos > DemodBufferLen){
776 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
777 return;
778 }
779
780 for (; i < endpos; ++i)
781 bits[i - config.offset]=DemodBuffer[i];
782
783 blockData = PackBits(0, 32, bits);
784
785 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
786 }
787
788 int special(const char *Cmd) {
789 uint32_t blockData = 0;
790 uint8_t bits[32] = {0x00};
791
792 PrintAndLog("OFFSET | DATA | BINARY");
793 PrintAndLog("----------------------------------------------------");
794 int i,j = 0;
795 for (; j < 64; ++j){
796
797 for (i = 0; i < 32; ++i)
798 bits[i]=DemodBuffer[j+i];
799
800 blockData = PackBits(0, 32, bits);
801
802 PrintAndLog(" %02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
803 }
804 return 0;
805 }
806
807 int printConfiguration( t55xx_conf_block_t b){
808 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
809 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
810 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
811 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
812 PrintAndLog("Offset : %d", b.offset);
813 PrintAndLog("Block0 : 0x%08X", b.block0);
814 PrintAndLog("");
815 return 0;
816 }
817
818 int CmdT55xxWakeUp(const char *Cmd) {
819 uint32_t password = 0;
820 uint8_t cmdp = 0;
821 bool errors = true;
822 while(param_getchar(Cmd, cmdp) != 0x00) {
823 switch(param_getchar(Cmd, cmdp)) {
824 case 'h':
825 case 'H':
826 return usage_t55xx_wakup();
827 case 'p':
828 case 'P':
829 password = param_get32ex(Cmd, cmdp+1, 0xFFFFFFFF, 16);
830 cmdp += 2;
831 errors = false;
832 break;
833 default:
834 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
835 errors = true;
836 break;
837 }
838 }
839 if (errors) return usage_t55xx_wakup();
840
841 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
842 clearCommandBuffer();
843 SendCommand(&c);
844 PrintAndLog("Wake up command sent. Try read now");
845 return 0;
846 }
847
848 int CmdT55xxWriteBlock(const char *Cmd) {
849 uint8_t block = 0xFF; //default to invalid block
850 uint32_t data = 0; //default to blank Block
851 uint32_t password = 0; //default to blank Block 7
852 bool usepwd = false;
853 bool page1 = false;
854 bool gotdata = false;
855 bool errors = false;
856 uint8_t cmdp = 0;
857 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
858 switch(param_getchar(Cmd, cmdp)) {
859 case 'h':
860 case 'H':
861 return usage_t55xx_write();
862 case 'b':
863 case 'B':
864 errors |= param_getdec(Cmd, cmdp+1, &block);
865 cmdp += 2;
866 break;
867 case 'd':
868 case 'D':
869 data = param_get32ex(Cmd, cmdp+1, 0, 16);
870 gotdata = true;
871 cmdp += 2;
872 break;
873 case 'p':
874 case 'P':
875 password = param_get32ex(Cmd, cmdp+1, 0, 16);
876 usepwd = true;
877 cmdp += 2;
878 break;
879 case '1':
880 page1 = true;
881 cmdp++;
882 break;
883 default:
884 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
885 errors = true;
886 break;
887 }
888 }
889 if (errors || !gotdata) return usage_t55xx_write();
890
891 if (block > 7) {
892 PrintAndLog("Block number must be between 0 and 7");
893 return 0;
894 }
895
896 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
897 UsbCommand resp;
898 c.d.asBytes[0] = (page1) ? 0x2 : 0;
899
900 char pwdStr[16] = {0};
901 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
902
903 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
904
905 //Password mode
906 if (usepwd) {
907 c.arg[2] = password;
908 c.d.asBytes[0] |= 0x1;
909 }
910 clearCommandBuffer();
911 SendCommand(&c);
912 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
913 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
914 return 0;
915 }
916 return 1;
917 }
918
919 int CmdT55xxReadTrace(const char *Cmd) {
920 char cmdp = param_getchar(Cmd, 0);
921 bool pwdmode = false;
922 uint32_t password = 0;
923 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
924 return usage_t55xx_trace();
925
926 if (strlen(Cmd)==0)
927 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
928 return 0;
929
930 if (!DecodeT55xxBlock()) return 0;
931
932 if ( !DemodBufferLen) return 0;
933
934 RepaintGraphWindow();
935 uint8_t repeat = 0;
936 if (config.offset > 5)
937 repeat = 32;
938 uint8_t si = config.offset+repeat;
939 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
940 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
941
942 uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;
943 uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;
944 uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;
945 uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;
946 uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;
947 uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;
948 uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;
949 uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;
950 uint32_t dw = PackBits(si, 15, DemodBuffer);
951
952 time_t t = time(NULL);
953 struct tm tm = *localtime(&t);
954 if ( year > tm.tm_year-110)
955 year += 2000;
956 else
957 year += 2010;
958
959 if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected");
960 if ( acl != 0xE0 ) {
961 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
962 return 0;
963 }
964 PrintAndLog("");
965 PrintAndLog("-- T55xx Trace Information ----------------------------------");
966 PrintAndLog("-------------------------------------------------------------");
967 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
968 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));
969 PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));
970 PrintAndLog(" ICR IC Revision : %d",icr );
971 PrintAndLog(" Manufactured");
972 PrintAndLog(" Year/Quarter : %d/%d",year, quarter);
973 PrintAndLog(" Lot ID : %d", lotid );
974 PrintAndLog(" Wafer number : %d", wafer);
975 PrintAndLog(" Die Number : %d", dw);
976 PrintAndLog("-------------------------------------------------------------");
977 PrintAndLog(" Raw Data - Page 1");
978 PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
979 PrintAndLog(" Block 2 : 0x%08X %s", bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
980 PrintAndLog("-------------------------------------------------------------");
981
982 /*
983 TRACE - BLOCK O
984 Bits Definition HEX
985 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
986 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
987 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
988 22-24 ICR IC revision
989 25-28 YEAR (BCD encoded) 9 (= 2009)
990 29-30 QUARTER 1,2,3,4
991 31-32 LOT ID
992
993 TRACE - BLOCK 1
994 1-12 LOT ID
995 13-17 Wafer number
996 18-32 DW, die number sequential
997 */
998
999 return 0;
1000 }
1001
1002 int CmdT55xxInfo(const char *Cmd){
1003 /*
1004 Page 0 Block 0 Configuration data.
1005 Normal mode
1006 Extended mode
1007 */
1008 bool pwdmode = false;
1009 uint32_t password = 0;
1010 char cmdp = param_getchar(Cmd, 0);
1011
1012 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
1013 return usage_t55xx_info();
1014
1015 if (strlen(Cmd)==0)
1016 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1017 return 1;
1018
1019 if (!DecodeT55xxBlock()) return 1;
1020
1021 if ( DemodBufferLen < 32) return 1;
1022
1023 uint8_t si = config.offset;
1024 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1025
1026 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1027 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1028 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1029 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1030 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1031 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1032 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1033 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1034 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1035 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1036 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1037 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1038 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1039 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1040 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1041 PrintAndLog("");
1042 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
1043 PrintAndLog("-------------------------------------------------------------");
1044 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1045 PrintAndLog(" reserved : %d", resv);
1046 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1047 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1048 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1049 PrintAndLog(" PSK clock frequency : %d", pskcf);
1050 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1051 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1052 PrintAndLog(" Max block : %d", maxblk);
1053 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1054 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1055 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1056 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1057 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1058 PrintAndLog("-------------------------------------------------------------");
1059 PrintAndLog(" Raw Data - Page 0");
1060 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1061 PrintAndLog("-------------------------------------------------------------");
1062
1063 return 0;
1064 }
1065
1066 int CmdT55xxDump(const char *Cmd){
1067
1068 uint32_t password = 0;
1069 char cmdp = param_getchar(Cmd, 0);
1070 bool override = false;
1071 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1072
1073 bool usepwd = ( strlen(Cmd) > 0);
1074 if ( usepwd ){
1075 password = param_get32ex(Cmd, 0, 0, 16);
1076 if (param_getchar(Cmd, 1) =='o' )
1077 override = true;
1078 }
1079
1080 printT5xxHeader(0);
1081 for ( uint8_t i = 0; i <8; ++i)
1082 T55xxReadBlock(i, 0, usepwd, override, password);
1083
1084 printT5xxHeader(1);
1085 for ( uint8_t i = 0; i<4; i++)
1086 T55xxReadBlock(i, 1, usepwd, override, password);
1087
1088 return 1;
1089 }
1090
1091 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1092 // arg0 bitmodes:
1093 // bit0 = pwdmode
1094 // bit1 = page to read from
1095 uint8_t arg0 = (page<<1) | pwdmode;
1096 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1097
1098 clearCommandBuffer();
1099 SendCommand(&c);
1100 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1101 PrintAndLog("command execution time out");
1102 return 0;
1103 }
1104
1105 uint8_t got[12000];
1106 GetFromBigBuf(got,sizeof(got),0);
1107 WaitForResponse(CMD_ACK,NULL);
1108 setGraphBuf(got, sizeof(got));
1109 return 1;
1110 }
1111
1112 char * GetBitRateStr(uint32_t id){
1113 static char buf[25];
1114
1115 char *retStr = buf;
1116 switch (id){
1117 case 0:
1118 snprintf(retStr,sizeof(buf),"%d - RF/8",id);
1119 break;
1120 case 1:
1121 snprintf(retStr,sizeof(buf),"%d - RF/16",id);
1122 break;
1123 case 2:
1124 snprintf(retStr,sizeof(buf),"%d - RF/32",id);
1125 break;
1126 case 3:
1127 snprintf(retStr,sizeof(buf),"%d - RF/40",id);
1128 break;
1129 case 4:
1130 snprintf(retStr,sizeof(buf),"%d - RF/50",id);
1131 break;
1132 case 5:
1133 snprintf(retStr,sizeof(buf),"%d - RF/64",id);
1134 break;
1135 case 6:
1136 snprintf(retStr,sizeof(buf),"%d - RF/100",id);
1137 break;
1138 case 7:
1139 snprintf(retStr,sizeof(buf),"%d - RF/128",id);
1140 break;
1141 default:
1142 snprintf(retStr,sizeof(buf),"%d - (Unknown)",id);
1143 break;
1144 }
1145
1146 return buf;
1147 }
1148
1149 char * GetSaferStr(uint32_t id){
1150 static char buf[40];
1151 char *retStr = buf;
1152
1153 snprintf(retStr,sizeof(buf),"%d",id);
1154 if (id == 6) {
1155 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1156 }
1157 if (id == 9 ){
1158 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1159 }
1160
1161 return buf;
1162 }
1163
1164 char * GetModulationStr( uint32_t id){
1165 static char buf[60];
1166 char *retStr = buf;
1167
1168 switch (id){
1169 case 0:
1170 snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id);
1171 break;
1172 case 1:
1173 snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id);
1174 break;
1175 case 2:
1176 snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id);
1177 break;
1178 case 3:
1179 snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id);
1180 break;
1181 case 4:
1182 snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id);
1183 break;
1184 case 5:
1185 snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id);
1186 break;
1187 case 6:
1188 snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id);
1189 break;
1190 case 7:
1191 snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id);
1192 break;
1193 case 8:
1194 snprintf(retStr,sizeof(buf),"%d - Manchester",id);
1195 break;
1196 case 16:
1197 snprintf(retStr,sizeof(buf),"%d - Biphase",id);
1198 break;
1199 case 0x18:
1200 snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);
1201 break;
1202 case 17:
1203 snprintf(retStr,sizeof(buf),"%d - Reserved",id);
1204 break;
1205 default:
1206 snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id);
1207 break;
1208 }
1209 return buf;
1210 }
1211
1212 char * GetModelStrFromCID(uint32_t cid){
1213
1214 static char buf[10];
1215 char *retStr = buf;
1216
1217 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1218 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1219 return buf;
1220 }
1221
1222 char * GetSelectedModulationStr( uint8_t id){
1223
1224 static char buf[20];
1225 char *retStr = buf;
1226
1227 switch (id){
1228 case DEMOD_FSK:
1229 snprintf(retStr,sizeof(buf),"FSK");
1230 break;
1231 case DEMOD_FSK1:
1232 snprintf(retStr,sizeof(buf),"FSK1");
1233 break;
1234 case DEMOD_FSK1a:
1235 snprintf(retStr,sizeof(buf),"FSK1a");
1236 break;
1237 case DEMOD_FSK2:
1238 snprintf(retStr,sizeof(buf),"FSK2");
1239 break;
1240 case DEMOD_FSK2a:
1241 snprintf(retStr,sizeof(buf),"FSK2a");
1242 break;
1243 case DEMOD_ASK:
1244 snprintf(retStr,sizeof(buf),"ASK");
1245 break;
1246 case DEMOD_NRZ:
1247 snprintf(retStr,sizeof(buf),"DIRECT/NRZ");
1248 break;
1249 case DEMOD_PSK1:
1250 snprintf(retStr,sizeof(buf),"PSK1");
1251 break;
1252 case DEMOD_PSK2:
1253 snprintf(retStr,sizeof(buf),"PSK2");
1254 break;
1255 case DEMOD_PSK3:
1256 snprintf(retStr,sizeof(buf),"PSK3");
1257 break;
1258 case DEMOD_BI:
1259 snprintf(retStr,sizeof(buf),"BIPHASE");
1260 break;
1261 case DEMOD_BIa:
1262 snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)");
1263 break;
1264 default:
1265 snprintf(retStr,sizeof(buf),"(Unknown)");
1266 break;
1267 }
1268 return buf;
1269 }
1270
1271 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
1272
1273 int i = start;
1274 int j = len-1;
1275
1276 if (len > 32) return 0;
1277
1278 uint32_t tmp = 0;
1279 for (; j >= 0; --j, ++i)
1280 tmp |= bits[i] << j;
1281
1282 return tmp;
1283 }
1284
1285 int CmdResetRead(const char *Cmd) {
1286 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1287
1288 clearCommandBuffer();
1289 SendCommand(&c);
1290 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1291 PrintAndLog("command execution time out");
1292 return 0;
1293 }
1294
1295 uint8_t got[BIGBUF_SIZE-1];
1296 GetFromBigBuf(got,sizeof(got),0);
1297 WaitForResponse(CMD_ACK,NULL);
1298 setGraphBuf(got, sizeof(got));
1299 return 1;
1300 }
1301
1302 int CmdT55xxWipe(const char *Cmd) {
1303 char writeData[20] = {0};
1304 char *ptrData = writeData;
1305
1306 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1307
1308 //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)
1309 snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0");
1310
1311 if (!CmdT55xxWriteBlock(ptrData))
1312 PrintAndLog("Error writing blk 0");
1313
1314 for (uint8_t blk = 1; blk<8; blk++) {
1315 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1316 if (!CmdT55xxWriteBlock(ptrData))
1317 PrintAndLog("Error writing blk %d", blk);
1318
1319 memset(writeData, 0x00, sizeof(writeData));
1320 }
1321 return 0;
1322 }
1323
1324 int CmdT55xxBruteForce(const char *Cmd) {
1325
1326 // load a default pwd file.
1327 char buf[9];
1328 char filename[FILE_PATH_SIZE]={0};
1329 int keycnt = 0;
1330 uint8_t stKeyBlock = 20;
1331 uint8_t *keyBlock = NULL, *p;
1332 keyBlock = calloc(stKeyBlock, 6);
1333 if (keyBlock == NULL) return 1;
1334
1335 uint32_t start_password = 0x00000000; //start password
1336 uint32_t end_password = 0xFFFFFFFF; //end password
1337 bool found = false;
1338
1339 char cmdp = param_getchar(Cmd, 0);
1340 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1341
1342 if (cmdp == 'i' || cmdp == 'I') {
1343
1344 int len = strlen(Cmd+2);
1345 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1346 memcpy(filename, Cmd+2, len);
1347
1348 FILE * f = fopen( filename , "r");
1349
1350 if ( !f ) {
1351 PrintAndLog("File: %s: not found or locked.", filename);
1352 free(keyBlock);
1353 return 1;
1354 }
1355
1356 while( fgets(buf, sizeof(buf), f) ){
1357 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1358
1359 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1360
1361 //The line start with # is comment, skip
1362 if( buf[0]=='#' ) continue;
1363
1364 if (!isxdigit(buf[0])){
1365 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1366 continue;
1367 }
1368
1369 buf[8] = 0;
1370
1371 if ( stKeyBlock - keycnt < 2) {
1372 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1373 if (!p) {
1374 PrintAndLog("Cannot allocate memory for defaultKeys");
1375 free(keyBlock);
1376 return 2;
1377 }
1378 keyBlock = p;
1379 }
1380 memset(keyBlock + 4 * keycnt, 0, 4);
1381 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1382 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1383 keycnt++;
1384 memset(buf, 0, sizeof(buf));
1385 }
1386 fclose(f);
1387
1388 if (keycnt == 0) {
1389 PrintAndLog("No keys found in file");
1390 return 1;
1391 }
1392 PrintAndLog("Loaded %d keys", keycnt);
1393
1394 // loop
1395 uint64_t testpwd = 0x00;
1396 for (uint16_t c = 0; c < keycnt; ++c ) {
1397
1398 if (ukbhit()) {
1399 getchar();
1400 printf("\naborted via keyboard!\n");
1401 return 0;
1402 }
1403
1404 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1405
1406 PrintAndLog("Testing %08X", testpwd);
1407
1408 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1409 PrintAndLog("Aquireing data from device failed. Quitting");
1410 return 0;
1411 }
1412
1413 found = tryDetectModulation();
1414
1415 if ( found ) {
1416 PrintAndLog("Found valid password: [%08X]", testpwd);
1417 return 0;
1418 }
1419 }
1420 PrintAndLog("Password NOT found.");
1421 return 0;
1422 }
1423
1424 // Try to read Block 7, first :)
1425
1426 // incremental pwd range search
1427 start_password = param_get32ex(Cmd, 0, 0, 16);
1428 end_password = param_get32ex(Cmd, 1, 0, 16);
1429
1430 if ( start_password >= end_password ) return usage_t55xx_bruteforce();
1431
1432 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1433
1434 uint32_t i = start_password;
1435
1436 while ((!found) && (i <= end_password)){
1437
1438 printf(".");
1439 fflush(stdout);
1440 if (ukbhit()) {
1441 getchar();
1442 printf("\naborted via keyboard!\n");
1443 return 0;
1444 }
1445
1446 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1447 PrintAndLog("Aquireing data from device failed. Quitting");
1448 return 0;
1449 }
1450 found = tryDetectModulation();
1451
1452 if (found) break;
1453 i++;
1454 }
1455
1456 PrintAndLog("");
1457
1458 if (found)
1459 PrintAndLog("Found valid password: [%08x]", i);
1460 else
1461 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1462 return 0;
1463 }
1464
1465 static command_t CommandTable[] = {
1466 {"help", CmdHelp, 1, "This help"},
1467 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1468 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1469 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1470 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1471 {"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)"},
1472 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1473 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1474 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1475 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1476 {"special", special, 0, "Show block changes with 64 different offsets"},
1477 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1478 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1479 {NULL, NULL, 0, NULL}
1480 };
1481
1482 int CmdLFT55XX(const char *Cmd) {
1483 CmdsParse(CommandTable, Cmd);
1484 return 0;
1485 }
1486
1487 int CmdHelp(const char *Cmd) {
1488 CmdsHelp(CommandTable);
1489 return 0;
1490 }
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