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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 bool errors = FALSE;
187 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
188 {
189 tmp = param_getchar(Cmd, cmdp);
190 switch(tmp)
191 {
192 case 'h':
193 case 'H':
194 return usage_t55xx_config();
195 case 'b':
196 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
197 if ( !errors){
198 uint8_t i = 0;
199 for (; i < 9; i++){
200 if (rates[i]==bitRate) {
201 config.bitrate = i;
202 break;
203 }
204 }
205 if (i==9) errors = TRUE;
206 }
207 cmdp+=2;
208 break;
209 case 'd':
210 param_getstr(Cmd, cmdp+1, modulation);
211 cmdp += 2;
212
213 if ( strcmp(modulation, "FSK" ) == 0) {
214 config.modulation = DEMOD_FSK;
215 } else if ( strcmp(modulation, "FSK1" ) == 0) {
216 config.modulation = DEMOD_FSK1;
217 config.inverted=1;
218 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
219 config.modulation = DEMOD_FSK1a;
220 config.inverted=0;
221 } else if ( strcmp(modulation, "FSK2" ) == 0) {
222 config.modulation = DEMOD_FSK2;
223 config.inverted=0;
224 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
225 config.modulation = DEMOD_FSK2a;
226 config.inverted=1;
227 } else if ( strcmp(modulation, "ASK" ) == 0) {
228 config.modulation = DEMOD_ASK;
229 } else if ( strcmp(modulation, "NRZ" ) == 0) {
230 config.modulation = DEMOD_NRZ;
231 } else if ( strcmp(modulation, "PSK1" ) == 0) {
232 config.modulation = DEMOD_PSK1;
233 } else if ( strcmp(modulation, "PSK2" ) == 0) {
234 config.modulation = DEMOD_PSK2;
235 } else if ( strcmp(modulation, "PSK3" ) == 0) {
236 config.modulation = DEMOD_PSK3;
237 } else if ( strcmp(modulation, "BIa" ) == 0) {
238 config.modulation = DEMOD_BIa;
239 config.inverted=1;
240 } else if ( strcmp(modulation, "BI" ) == 0) {
241 config.modulation = DEMOD_BI;
242 config.inverted=0;
243 } else {
244 PrintAndLog("Unknown modulation '%s'", modulation);
245 errors = TRUE;
246 }
247 break;
248 case 'i':
249 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
250 cmdp+=2;
251 break;
252 case 'o':
253 errors |= param_getdec(Cmd, cmdp+1, &offset);
254 if ( !errors )
255 config.offset = offset;
256 cmdp+=2;
257 break;
258 case 'Q':
259 case 'q':
260 config.Q5 = TRUE;
261 cmdp++;
262 break;
263 default:
264 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
265 errors = TRUE;
266 break;
267 }
268 }
269
270 // No args
271 if (cmdp == 0) return printConfiguration( config );
272
273 //Validations
274 if (errors) return usage_t55xx_config();
275
276 config.block0 = 0;
277 return printConfiguration ( config );
278 }
279
280 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
281 //Password mode
282 if ( usepwd ) {
283 // try reading the config block and verify that PWD bit is set before doing this!
284 if ( !override ) {
285 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
286 if ( !tryDetectModulation() ) {
287 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
288 return 0;
289 } else {
290 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
291 usepwd = false;
292 page1 = false;
293 }
294 } else {
295 PrintAndLog("Safety Check Overriden - proceeding despite risk");
296 }
297 }
298
299 if (!AquireData(page1, block, usepwd, password) ) return 0;
300 if (!DecodeT55xxBlock()) return 0;
301
302 char blk[10]={0};
303 sprintf(blk,"%d", block);
304 printT55xxBlock(blk);
305 return 1;
306 }
307
308 int CmdT55xxReadBlock(const char *Cmd) {
309 uint8_t block = REGULAR_READ_MODE_BLOCK;
310 uint32_t password = 0; //default to blank Block 7
311 bool usepwd = false;
312 bool override = false;
313 bool page1 = false;
314 bool errors = false;
315 uint8_t cmdp = 0;
316 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
317 switch(param_getchar(Cmd, cmdp)) {
318 case 'h':
319 case 'H':
320 return usage_t55xx_read();
321 case 'b':
322 case 'B':
323 errors |= param_getdec(Cmd, cmdp+1, &block);
324 cmdp += 2;
325 break;
326 case 'o':
327 case 'O':
328 override = true;
329 cmdp++;
330 break;
331 case 'p':
332 case 'P':
333 password = param_get32ex(Cmd, cmdp+1, 0, 16);
334 usepwd = true;
335 cmdp += 2;
336 break;
337 case '1':
338 page1 = true;
339 cmdp++;
340 break;
341 default:
342 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
343 errors = true;
344 break;
345 }
346 }
347 if (errors) return usage_t55xx_read();
348
349 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
350 PrintAndLog("Block must be between 0 and 7");
351 return 0;
352 }
353
354 printT5xxHeader(page1);
355 return T55xxReadBlock(block, page1, usepwd, override, password);
356 }
357
358 bool DecodeT55xxBlock(){
359
360 char buf[30] = {0x00};
361 char *cmdStr = buf;
362 int ans = 0;
363 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
364 DemodBufferLen = 0x00;
365
366 switch( config.modulation ){
367 case DEMOD_FSK:
368 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
369 ans = FSKrawDemod(cmdStr, FALSE);
370 break;
371 case DEMOD_FSK1:
372 case DEMOD_FSK1a:
373 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
374 ans = FSKrawDemod(cmdStr, FALSE);
375 break;
376 case DEMOD_FSK2:
377 case DEMOD_FSK2a:
378 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
379 ans = FSKrawDemod(cmdStr, FALSE);
380 break;
381 case DEMOD_ASK:
382 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
383 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
384 break;
385 case DEMOD_PSK1:
386 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
387 save_restoreGB(1);
388 CmdLtrim("160");
389 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
390 ans = PSKDemod(cmdStr, FALSE);
391 //undo trim samples
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 //undo trim samples
403 save_restoreGB(0);
404 break;
405 case DEMOD_NRZ:
406 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
407 ans = NRZrawDemod(cmdStr, FALSE);
408 break;
409 case DEMOD_BI:
410 case DEMOD_BIa:
411 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
412 ans = ASKbiphaseDemod(cmdStr, FALSE);
413 break;
414 default:
415 return FALSE;
416 }
417 return (bool) ans;
418 }
419
420 int CmdT55xxDetect(const char *Cmd){
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
469 if (GetFskClock("", FALSE, FALSE)){
470 fskClocks(&fc1, &fc2, &clk, FALSE);
471 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
472 tests[hits].modulation = DEMOD_FSK;
473 if (fc1==8 && fc2 == 5)
474 tests[hits].modulation = DEMOD_FSK1a;
475 else if (fc1==10 && fc2 == 8)
476 tests[hits].modulation = DEMOD_FSK2;
477 tests[hits].bitrate = bitRate;
478 tests[hits].inverted = FALSE;
479 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
480 ++hits;
481 }
482 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
483 tests[hits].modulation = DEMOD_FSK;
484 if (fc1 == 8 && fc2 == 5)
485 tests[hits].modulation = DEMOD_FSK1;
486 else if (fc1 == 10 && fc2 == 8)
487 tests[hits].modulation = DEMOD_FSK2a;
488 tests[hits].bitrate = bitRate;
489 tests[hits].inverted = TRUE;
490 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
491 ++hits;
492 }
493 } else {
494 clk = GetAskClock("", FALSE, FALSE);
495 if (clk>0) {
496 if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
497 tests[hits].modulation = DEMOD_ASK;
498 tests[hits].bitrate = bitRate;
499 tests[hits].inverted = FALSE;
500 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
501 ++hits;
502 }
503 if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
504 tests[hits].modulation = DEMOD_ASK;
505 tests[hits].bitrate = bitRate;
506 tests[hits].inverted = TRUE;
507 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
508 ++hits;
509 }
510 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
511 tests[hits].modulation = DEMOD_BI;
512 tests[hits].bitrate = bitRate;
513 tests[hits].inverted = FALSE;
514 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
515 ++hits;
516 }
517 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
518 tests[hits].modulation = DEMOD_BIa;
519 tests[hits].bitrate = bitRate;
520 tests[hits].inverted = TRUE;
521 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
522 ++hits;
523 }
524 }
525 //undo trim from ask
526 //save_restoreGB(0);
527 clk = GetNrzClock("", FALSE, FALSE);
528 if (clk>0) {
529 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
530 tests[hits].modulation = DEMOD_NRZ;
531 tests[hits].bitrate = bitRate;
532 tests[hits].inverted = FALSE;
533 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
534 ++hits;
535 }
536
537 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
538 tests[hits].modulation = DEMOD_NRZ;
539 tests[hits].bitrate = bitRate;
540 tests[hits].inverted = TRUE;
541 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
542 ++hits;
543 }
544 }
545
546 // allow undo
547 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
548 save_restoreGB(1);
549 CmdLtrim("160");
550 clk = GetPskClock("", FALSE, FALSE);
551 if (clk>0) {
552 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
553 tests[hits].modulation = DEMOD_PSK1;
554 tests[hits].bitrate = bitRate;
555 tests[hits].inverted = FALSE;
556 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
557 ++hits;
558 }
559 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
560 tests[hits].modulation = DEMOD_PSK1;
561 tests[hits].bitrate = bitRate;
562 tests[hits].inverted = TRUE;
563 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
564 ++hits;
565 }
566 // PSK2 - needs a call to psk1TOpsk2.
567 if ( PSKDemod("0 0 6", FALSE)) {
568 psk1TOpsk2(DemodBuffer, DemodBufferLen);
569 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
570 tests[hits].modulation = DEMOD_PSK2;
571 tests[hits].bitrate = bitRate;
572 tests[hits].inverted = FALSE;
573 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
574 ++hits;
575 }
576 } // inverse waves does not affect this demod
577 // PSK3 - needs a call to psk1TOpsk2.
578 if ( PSKDemod("0 0 6", FALSE)) {
579 psk1TOpsk2(DemodBuffer, DemodBufferLen);
580 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
581 tests[hits].modulation = DEMOD_PSK3;
582 tests[hits].bitrate = bitRate;
583 tests[hits].inverted = FALSE;
584 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
585 ++hits;
586 }
587 } // inverse waves does not affect this demod
588 }
589 //undo trim samples
590 save_restoreGB(0);
591 }
592 if ( hits == 1) {
593 config.modulation = tests[0].modulation;
594 config.bitrate = tests[0].bitrate;
595 config.inverted = tests[0].inverted;
596 config.offset = tests[0].offset;
597 config.block0 = tests[0].block0;
598 config.Q5 = tests[0].Q5;
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 int convertQ5bitRate(uint8_t bitRateRead) {
675 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
676 for (int i=0; i<8; i++)
677 if (expected[i] == bitRateRead)
678 return i;
679
680 return -1;
681 }
682
683 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
684
685 if ( DemodBufferLen < 64 ) return FALSE;
686 uint8_t si = 0;
687 for (uint8_t idx = 28; idx < 64; idx++){
688 si = idx;
689 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
690
691 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
692 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
693 // 2nibble must be zeroed.
694 if (safer != 0x6 && safer != 0x9) continue;
695 if ( resv > 0x00) continue;
696 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
697 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
698 si += 1+1;
699 int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate
700 if (bitRate > 128 || bitRate < 8) continue;
701
702 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
703 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
704 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
705 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
706 si += 1+1+2+1;
707 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
708 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
709 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
710 if (maxBlk == 0) continue;
711 //test modulation
712 if (!testQ5Modulation(mode, modread)) continue;
713 if (bitRate != clk) continue;
714 *fndBitRate = convertQ5bitRate(bitRate);
715 if (*fndBitRate < 0) continue;
716 *offset = idx;
717
718 return TRUE;
719 }
720 return FALSE;
721 }
722
723 bool testBitRate(uint8_t readRate, uint8_t clk){
724 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
725 if (expected[readRate] == clk)
726 return true;
727
728 return false;
729 }
730
731 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
732
733 if ( DemodBufferLen < 64 ) return FALSE;
734 uint8_t si = 0;
735 for (uint8_t idx = 28; idx < 64; idx++){
736 si = idx;
737 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
738
739 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
740 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
741 // 2nibble must be zeroed.
742 // moved test to here, since this gets most faults first.
743 if ( resv > 0x00) continue;
744
745 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
746 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
747 if (bitRate > 7) continue;
748 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
749 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
750 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
751 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
752 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
753
754 //if extended mode
755 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
756
757 if (!extMode){
758 if (nml01 || nml02 || xtRate) continue;
759 }
760 //test modulation
761 if (!testModulation(mode, modread)) continue;
762 if (!testBitRate(bitRate, clk)) continue;
763 *fndBitRate = bitRate;
764 *offset = idx;
765 *Q5 = FALSE;
766 return TRUE;
767 }
768 if (testQ5(mode, offset, fndBitRate, clk)) {
769 *Q5 = TRUE;
770 return TRUE;
771 }
772 return FALSE;
773 }
774
775 void printT55xxBlock(const char *blockNum){
776
777 uint8_t i = config.offset;
778 uint8_t endpos = 32 + i;
779 uint32_t blockData = 0;
780 uint8_t bits[64] = {0x00};
781
782 if ( !DemodBufferLen) return;
783
784 if ( endpos > DemodBufferLen){
785 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
786 return;
787 }
788
789 for (; i < endpos; ++i)
790 bits[i - config.offset]=DemodBuffer[i];
791
792 blockData = PackBits(0, 32, bits);
793
794 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
795 }
796
797 int special(const char *Cmd) {
798 uint32_t blockData = 0;
799 uint8_t bits[32] = {0x00};
800
801 PrintAndLog("OFFSET | DATA | BINARY");
802 PrintAndLog("----------------------------------------------------");
803 int i,j = 0;
804 for (; j < 64; ++j){
805
806 for (i = 0; i < 32; ++i)
807 bits[i]=DemodBuffer[j+i];
808
809 blockData = PackBits(0, 32, bits);
810
811 PrintAndLog(" %02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
812 }
813 return 0;
814 }
815
816 int printConfiguration( t55xx_conf_block_t b){
817 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
818 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
819 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
820 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
821 PrintAndLog("Offset : %d", b.offset);
822 PrintAndLog("Block0 : 0x%08X", b.block0);
823 PrintAndLog("");
824 return 0;
825 }
826
827 int CmdT55xxWakeUp(const char *Cmd) {
828 uint32_t password = 0;
829 uint8_t cmdp = 0;
830 bool errors = true;
831 while(param_getchar(Cmd, cmdp) != 0x00) {
832 switch(param_getchar(Cmd, cmdp)) {
833 case 'h':
834 case 'H':
835 return usage_t55xx_wakup();
836 case 'p':
837 case 'P':
838 password = param_get32ex(Cmd, cmdp+1, 0xFFFFFFFF, 16);
839 cmdp += 2;
840 errors = false;
841 break;
842 default:
843 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
844 errors = true;
845 break;
846 }
847 }
848 if (errors) return usage_t55xx_wakup();
849
850 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
851 clearCommandBuffer();
852 SendCommand(&c);
853 PrintAndLog("Wake up command sent. Try read now");
854 return 0;
855 }
856
857 int CmdT55xxWriteBlock(const char *Cmd) {
858 uint8_t block = 0xFF; //default to invalid block
859 uint32_t data = 0; //default to blank Block
860 uint32_t password = 0; //default to blank Block 7
861 bool usepwd = false;
862 bool page1 = false;
863 bool gotdata = false;
864 bool errors = false;
865 uint8_t cmdp = 0;
866 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
867 switch(param_getchar(Cmd, cmdp)) {
868 case 'h':
869 case 'H':
870 return usage_t55xx_write();
871 case 'b':
872 case 'B':
873 errors |= param_getdec(Cmd, cmdp+1, &block);
874 cmdp += 2;
875 break;
876 case 'd':
877 case 'D':
878 data = param_get32ex(Cmd, cmdp+1, 0, 16);
879 gotdata = true;
880 cmdp += 2;
881 break;
882 case 'p':
883 case 'P':
884 password = param_get32ex(Cmd, cmdp+1, 0, 16);
885 usepwd = true;
886 cmdp += 2;
887 break;
888 case '1':
889 page1 = true;
890 cmdp++;
891 break;
892 default:
893 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
894 errors = true;
895 break;
896 }
897 }
898 if (errors || !gotdata) return usage_t55xx_write();
899
900 if (block > 7) {
901 PrintAndLog("Block number must be between 0 and 7");
902 return 0;
903 }
904
905 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
906 UsbCommand resp;
907 c.d.asBytes[0] = (page1) ? 0x2 : 0;
908
909 char pwdStr[16] = {0};
910 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
911
912 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
913
914 //Password mode
915 if (usepwd) {
916 c.arg[2] = password;
917 c.d.asBytes[0] |= 0x1;
918 }
919 clearCommandBuffer();
920 SendCommand(&c);
921 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
922 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
923 return 0;
924 }
925 return 1;
926 }
927
928 int CmdT55xxReadTrace(const char *Cmd) {
929 char cmdp = param_getchar(Cmd, 0);
930 bool pwdmode = false;
931 uint32_t password = 0;
932 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
933 return usage_t55xx_trace();
934
935 if (strlen(Cmd)==0)
936 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
937 return 0;
938
939 if (!DecodeT55xxBlock()) return 0;
940
941 if ( !DemodBufferLen) return 0;
942
943 RepaintGraphWindow();
944 uint8_t repeat = 0;
945 if (config.offset > 5)
946 repeat = 32;
947 uint8_t si = config.offset+repeat;
948 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
949 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
950
951 uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;
952 uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;
953 uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;
954 uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;
955 uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;
956 uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;
957 uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;
958 uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;
959 uint32_t dw = PackBits(si, 15, DemodBuffer);
960
961 time_t t = time(NULL);
962 struct tm tm = *localtime(&t);
963 if ( year > tm.tm_year-110)
964 year += 2000;
965 else
966 year += 2010;
967
968 if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected");
969 if ( acl != 0xE0 ) {
970 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
971 return 0;
972 }
973 PrintAndLog("");
974 PrintAndLog("-- T55xx Trace Information ----------------------------------");
975 PrintAndLog("-------------------------------------------------------------");
976 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
977 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));
978 PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));
979 PrintAndLog(" ICR IC Revision : %d",icr );
980 PrintAndLog(" Manufactured");
981 PrintAndLog(" Year/Quarter : %d/%d",year, quarter);
982 PrintAndLog(" Lot ID : %d", lotid );
983 PrintAndLog(" Wafer number : %d", wafer);
984 PrintAndLog(" Die Number : %d", dw);
985 PrintAndLog("-------------------------------------------------------------");
986 PrintAndLog(" Raw Data - Page 1");
987 PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
988 PrintAndLog(" Block 2 : 0x%08X %s", bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
989 PrintAndLog("-------------------------------------------------------------");
990
991 /*
992 TRACE - BLOCK O
993 Bits Definition HEX
994 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
995 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
996 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
997 22-24 ICR IC revision
998 25-28 YEAR (BCD encoded) 9 (= 2009)
999 29-30 QUARTER 1,2,3,4
1000 31-32 LOT ID
1001
1002 TRACE - BLOCK 1
1003 1-12 LOT ID
1004 13-17 Wafer number
1005 18-32 DW, die number sequential
1006 */
1007
1008 return 0;
1009 }
1010
1011 int CmdT55xxInfo(const char *Cmd){
1012 /*
1013 Page 0 Block 0 Configuration data.
1014 Normal mode
1015 Extended mode
1016 */
1017 bool pwdmode = false;
1018 uint32_t password = 0;
1019 char cmdp = param_getchar(Cmd, 0);
1020
1021 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
1022 return usage_t55xx_info();
1023
1024 if (strlen(Cmd)==0)
1025 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1026 return 1;
1027
1028 if (!DecodeT55xxBlock()) return 1;
1029
1030 if ( DemodBufferLen < 32) return 1;
1031
1032 uint8_t si = config.offset;
1033 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1034
1035 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1036 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1037 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1038 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1039 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1040 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1041 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1042 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1043 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1044 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1045 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1046 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1047 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1048 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1049 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1050 PrintAndLog("");
1051 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
1052 PrintAndLog("-------------------------------------------------------------");
1053 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1054 PrintAndLog(" reserved : %d", resv);
1055 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1056 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1057 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1058 PrintAndLog(" PSK clock frequency : %d", pskcf);
1059 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1060 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1061 PrintAndLog(" Max block : %d", maxblk);
1062 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1063 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1064 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1065 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1066 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1067 PrintAndLog("-------------------------------------------------------------");
1068 PrintAndLog(" Raw Data - Page 0");
1069 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1070 PrintAndLog("-------------------------------------------------------------");
1071
1072 return 0;
1073 }
1074
1075 int CmdT55xxDump(const char *Cmd){
1076
1077 uint32_t password = 0;
1078 char cmdp = param_getchar(Cmd, 0);
1079 bool override = false;
1080 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1081
1082 bool usepwd = ( strlen(Cmd) > 0);
1083 if ( usepwd ){
1084 password = param_get32ex(Cmd, 0, 0, 16);
1085 if (param_getchar(Cmd, 1) =='o' )
1086 override = true;
1087 }
1088
1089 printT5xxHeader(0);
1090 for ( uint8_t i = 0; i <8; ++i)
1091 T55xxReadBlock(i, 0, usepwd, override, password);
1092
1093 printT5xxHeader(1);
1094 for ( uint8_t i = 0; i<4; i++)
1095 T55xxReadBlock(i, 1, usepwd, override, password);
1096
1097 return 1;
1098 }
1099
1100 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1101 // arg0 bitmodes:
1102 // bit0 = pwdmode
1103 // bit1 = page to read from
1104 uint8_t arg0 = (page<<1) | pwdmode;
1105 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1106
1107 clearCommandBuffer();
1108 SendCommand(&c);
1109 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1110 PrintAndLog("command execution time out");
1111 return 0;
1112 }
1113
1114 uint8_t got[12000];
1115 GetFromBigBuf(got,sizeof(got),0);
1116 WaitForResponse(CMD_ACK,NULL);
1117 setGraphBuf(got, sizeof(got));
1118 return 1;
1119 }
1120
1121 char * GetBitRateStr(uint32_t id) {
1122 static char buf[25];
1123
1124 char *retStr = buf;
1125 switch (id) {
1126 case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
1127 case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
1128 case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
1129 case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
1130 case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
1131 case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
1132 case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
1133 case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
1134 default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
1135 }
1136 return buf;
1137 }
1138
1139 char * GetSaferStr(uint32_t id) {
1140 static char buf[40];
1141 char *retStr = buf;
1142
1143 snprintf(retStr,sizeof(buf),"%d",id);
1144 if (id == 6) {
1145 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1146 }
1147 if (id == 9 ){
1148 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1149 }
1150
1151 return buf;
1152 }
1153
1154 char * GetModulationStr( uint32_t id){
1155 static char buf[60];
1156 char *retStr = buf;
1157
1158 switch (id){
1159 case 0:
1160 snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id);
1161 break;
1162 case 1:
1163 snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id);
1164 break;
1165 case 2:
1166 snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id);
1167 break;
1168 case 3:
1169 snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id);
1170 break;
1171 case 4:
1172 snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id);
1173 break;
1174 case 5:
1175 snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id);
1176 break;
1177 case 6:
1178 snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id);
1179 break;
1180 case 7:
1181 snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id);
1182 break;
1183 case 8:
1184 snprintf(retStr,sizeof(buf),"%d - Manchester",id);
1185 break;
1186 case 16:
1187 snprintf(retStr,sizeof(buf),"%d - Biphase",id);
1188 break;
1189 case 0x18:
1190 snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);
1191 break;
1192 case 17:
1193 snprintf(retStr,sizeof(buf),"%d - Reserved",id);
1194 break;
1195 default:
1196 snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id);
1197 break;
1198 }
1199 return buf;
1200 }
1201
1202 char * GetModelStrFromCID(uint32_t cid){
1203
1204 static char buf[10];
1205 char *retStr = buf;
1206
1207 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1208 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1209 return buf;
1210 }
1211
1212 char * GetSelectedModulationStr( uint8_t id){
1213
1214 static char buf[20];
1215 char *retStr = buf;
1216
1217 switch (id){
1218 case DEMOD_FSK:
1219 snprintf(retStr,sizeof(buf),"FSK");
1220 break;
1221 case DEMOD_FSK1:
1222 snprintf(retStr,sizeof(buf),"FSK1");
1223 break;
1224 case DEMOD_FSK1a:
1225 snprintf(retStr,sizeof(buf),"FSK1a");
1226 break;
1227 case DEMOD_FSK2:
1228 snprintf(retStr,sizeof(buf),"FSK2");
1229 break;
1230 case DEMOD_FSK2a:
1231 snprintf(retStr,sizeof(buf),"FSK2a");
1232 break;
1233 case DEMOD_ASK:
1234 snprintf(retStr,sizeof(buf),"ASK");
1235 break;
1236 case DEMOD_NRZ:
1237 snprintf(retStr,sizeof(buf),"DIRECT/NRZ");
1238 break;
1239 case DEMOD_PSK1:
1240 snprintf(retStr,sizeof(buf),"PSK1");
1241 break;
1242 case DEMOD_PSK2:
1243 snprintf(retStr,sizeof(buf),"PSK2");
1244 break;
1245 case DEMOD_PSK3:
1246 snprintf(retStr,sizeof(buf),"PSK3");
1247 break;
1248 case DEMOD_BI:
1249 snprintf(retStr,sizeof(buf),"BIPHASE");
1250 break;
1251 case DEMOD_BIa:
1252 snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)");
1253 break;
1254 default:
1255 snprintf(retStr,sizeof(buf),"(Unknown)");
1256 break;
1257 }
1258 return buf;
1259 }
1260
1261 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
1262
1263 int i = start;
1264 int j = len-1;
1265
1266 if (len > 32) return 0;
1267
1268 uint32_t tmp = 0;
1269 for (; j >= 0; --j, ++i)
1270 tmp |= bits[i] << j;
1271
1272 return tmp;
1273 }
1274
1275 int CmdResetRead(const char *Cmd) {
1276 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1277
1278 clearCommandBuffer();
1279 SendCommand(&c);
1280 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1281 PrintAndLog("command execution time out");
1282 return 0;
1283 }
1284
1285 uint8_t got[BIGBUF_SIZE-1];
1286 GetFromBigBuf(got,sizeof(got),0);
1287 WaitForResponse(CMD_ACK,NULL);
1288 setGraphBuf(got, sizeof(got));
1289 return 1;
1290 }
1291
1292 int CmdT55xxWipe(const char *Cmd) {
1293 char writeData[20] = {0};
1294 char *ptrData = writeData;
1295
1296 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1297
1298 //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)
1299 snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0");
1300
1301 if (!CmdT55xxWriteBlock(ptrData))
1302 PrintAndLog("Error writing blk 0");
1303
1304 for (uint8_t blk = 1; blk<8; blk++) {
1305 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1306 if (!CmdT55xxWriteBlock(ptrData))
1307 PrintAndLog("Error writing blk %d", blk);
1308
1309 memset(writeData, 0x00, sizeof(writeData));
1310 }
1311 return 0;
1312 }
1313
1314 int CmdT55xxBruteForce(const char *Cmd) {
1315
1316 // load a default pwd file.
1317 char buf[9];
1318 char filename[FILE_PATH_SIZE]={0};
1319 int keycnt = 0;
1320 uint8_t stKeyBlock = 20;
1321 uint8_t *keyBlock = NULL, *p;
1322 keyBlock = calloc(stKeyBlock, 6);
1323 if (keyBlock == NULL) return 1;
1324
1325 uint32_t start_password = 0x00000000; //start password
1326 uint32_t end_password = 0xFFFFFFFF; //end password
1327 bool found = false;
1328
1329 char cmdp = param_getchar(Cmd, 0);
1330 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1331
1332 if (cmdp == 'i' || cmdp == 'I') {
1333
1334 int len = strlen(Cmd+2);
1335 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1336 memcpy(filename, Cmd+2, len);
1337
1338 FILE * f = fopen( filename , "r");
1339
1340 if ( !f ) {
1341 PrintAndLog("File: %s: not found or locked.", filename);
1342 free(keyBlock);
1343 return 1;
1344 }
1345
1346 while( fgets(buf, sizeof(buf), f) ){
1347 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1348
1349 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1350
1351 //The line start with # is comment, skip
1352 if( buf[0]=='#' ) continue;
1353
1354 if (!isxdigit(buf[0])){
1355 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1356 continue;
1357 }
1358
1359 buf[8] = 0;
1360
1361 if ( stKeyBlock - keycnt < 2) {
1362 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1363 if (!p) {
1364 PrintAndLog("Cannot allocate memory for defaultKeys");
1365 free(keyBlock);
1366 return 2;
1367 }
1368 keyBlock = p;
1369 }
1370 memset(keyBlock + 4 * keycnt, 0, 4);
1371 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1372 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1373 keycnt++;
1374 memset(buf, 0, sizeof(buf));
1375 }
1376 fclose(f);
1377
1378 if (keycnt == 0) {
1379 PrintAndLog("No keys found in file");
1380 return 1;
1381 }
1382 PrintAndLog("Loaded %d keys", keycnt);
1383
1384 // loop
1385 uint64_t testpwd = 0x00;
1386 for (uint16_t c = 0; c < keycnt; ++c ) {
1387
1388 if (ukbhit()) {
1389 getchar();
1390 printf("\naborted via keyboard!\n");
1391 return 0;
1392 }
1393
1394 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1395
1396 PrintAndLog("Testing %08X", testpwd);
1397
1398 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1399 PrintAndLog("Aquireing data from device failed. Quitting");
1400 return 0;
1401 }
1402
1403 found = tryDetectModulation();
1404
1405 if ( found ) {
1406 PrintAndLog("Found valid password: [%08X]", testpwd);
1407 return 0;
1408 }
1409 }
1410 PrintAndLog("Password NOT found.");
1411 return 0;
1412 }
1413
1414 // Try to read Block 7, first :)
1415
1416 // incremental pwd range search
1417 start_password = param_get32ex(Cmd, 0, 0, 16);
1418 end_password = param_get32ex(Cmd, 1, 0, 16);
1419
1420 if ( start_password >= end_password ) return usage_t55xx_bruteforce();
1421
1422 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1423
1424 uint32_t i = start_password;
1425
1426 while ((!found) && (i <= end_password)){
1427
1428 printf(".");
1429 fflush(stdout);
1430 if (ukbhit()) {
1431 getchar();
1432 printf("\naborted via keyboard!\n");
1433 return 0;
1434 }
1435
1436 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1437 PrintAndLog("Aquireing data from device failed. Quitting");
1438 return 0;
1439 }
1440 found = tryDetectModulation();
1441
1442 if (found) break;
1443 i++;
1444 }
1445
1446 PrintAndLog("");
1447
1448 if (found)
1449 PrintAndLog("Found valid password: [%08x]", i);
1450 else
1451 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1452 return 0;
1453 }
1454
1455 static command_t CommandTable[] = {
1456 {"help", CmdHelp, 1, "This help"},
1457 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1458 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1459 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1460 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1461 {"resetread", CmdResetRead, 0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"},
1462 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1463 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1464 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1465 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1466 {"special", special, 0, "Show block changes with 64 different offsets"},
1467 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1468 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1469 {NULL, NULL, 0, NULL}
1470 };
1471
1472 int CmdLFT55XX(const char *Cmd) {
1473 CmdsParse(CommandTable, Cmd);
1474 return 0;
1475 }
1476
1477 int CmdHelp(const char *Cmd) {
1478 CmdsHelp(CommandTable);
1479 return 0;
1480 }
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