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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 write b 3 d 11223344 - write 11223344 to block 3");
90 PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
91 PrintAndLog("");
92 return 0;
93 }
94 int usage_t55xx_trace() {
95 PrintAndLog("Usage: lf t55xx trace [1]");
96 PrintAndLog("Options:");
97 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
98 PrintAndLog("");
99 PrintAndLog("Examples:");
100 PrintAndLog(" lf t55xx trace");
101 PrintAndLog(" lf t55xx trace 1");
102 PrintAndLog("");
103 return 0;
104 }
105 int usage_t55xx_info() {
106 PrintAndLog("Usage: lf t55xx info [1]");
107 PrintAndLog("Options:");
108 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
109 PrintAndLog("");
110 PrintAndLog("Examples:");
111 PrintAndLog(" lf t55xx info");
112 PrintAndLog(" lf t55xx info 1");
113 PrintAndLog("");
114 return 0;
115 }
116 int usage_t55xx_dump(){
117 PrintAndLog("Usage: lf t55xx dump <password> [o]");
118 PrintAndLog("Options:");
119 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
120 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
121 PrintAndLog("");
122 PrintAndLog("Examples:");
123 PrintAndLog(" lf t55xx dump");
124 PrintAndLog(" lf t55xx dump feedbeef o");
125 PrintAndLog("");
126 return 0;
127 }
128 int usage_t55xx_detect(){
129 PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
130 PrintAndLog("Options:");
131 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
132 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
133 PrintAndLog("");
134 PrintAndLog("Examples:");
135 PrintAndLog(" lf t55xx detect");
136 PrintAndLog(" lf t55xx detect 1");
137 PrintAndLog(" lf t55xx detect p 11223344");
138 PrintAndLog("");
139 return 0;
140 }
141 int usage_t55xx_wakup(){
142 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
143 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
144 PrintAndLog("Options:");
145 PrintAndLog(" h - this help");
146 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
147 PrintAndLog("");
148 PrintAndLog("Examples:");
149 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
150 return 0;
151 }
152 int usage_t55xx_bruteforce(){
153 PrintAndLog("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
286 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
287
288 if ( !tryDetectModulation() ) {
289 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
290 return 0;
291 } else {
292 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
293 usepwd = false;
294 page1 = false;
295 }
296 } else {
297 PrintAndLog("Safety Check Overriden - proceeding despite risk");
298 }
299 }
300
301 if (!AquireData(page1, block, usepwd, password) ) return 0;
302 if (!DecodeT55xxBlock()) return 0;
303
304 char blk[10]={0};
305 sprintf(blk,"%02d", block);
306 printT55xxBlock(blk);
307 return 1;
308 }
309
310 int CmdT55xxReadBlock(const char *Cmd) {
311 uint8_t block = REGULAR_READ_MODE_BLOCK;
312 uint32_t password = 0; //default to blank Block 7
313 bool usepwd = false;
314 bool override = false;
315 bool page1 = false;
316 bool errors = false;
317 uint8_t cmdp = 0;
318 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
319 switch(param_getchar(Cmd, cmdp)) {
320 case 'h':
321 case 'H':
322 return usage_t55xx_read();
323 case 'b':
324 case 'B':
325 errors |= param_getdec(Cmd, cmdp+1, &block);
326 cmdp += 2;
327 break;
328 case 'o':
329 case 'O':
330 override = TRUE;
331 cmdp++;
332 break;
333 case 'p':
334 case 'P':
335 password = param_get32ex(Cmd, cmdp+1, 0, 16);
336 usepwd = true;
337 cmdp += 2;
338 break;
339 case '1':
340 page1 = true;
341 cmdp++;
342 break;
343 default:
344 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
345 errors = true;
346 break;
347 }
348 }
349 if (errors) return usage_t55xx_read();
350
351 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
352 PrintAndLog("Block must be between 0 and 7");
353 return 0;
354 }
355
356 printT5xxHeader(page1);
357 return T55xxReadBlock(block, page1, usepwd, override, password);
358 }
359
360 bool DecodeT55xxBlock(){
361
362 char buf[30] = {0x00};
363 char *cmdStr = buf;
364 int ans = 0;
365 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
366 DemodBufferLen = 0x00;
367
368 switch( config.modulation ){
369 case DEMOD_FSK:
370 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
371 ans = FSKrawDemod(cmdStr, FALSE);
372 break;
373 case DEMOD_FSK1:
374 case DEMOD_FSK1a:
375 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
376 ans = FSKrawDemod(cmdStr, FALSE);
377 break;
378 case DEMOD_FSK2:
379 case DEMOD_FSK2a:
380 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
381 ans = FSKrawDemod(cmdStr, FALSE);
382 break;
383 case DEMOD_ASK:
384 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
385 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
386 break;
387 case DEMOD_PSK1:
388 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
389 save_restoreGB(1);
390 CmdLtrim("160");
391 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
392 ans = PSKDemod(cmdStr, FALSE);
393 //undo trim samples
394 save_restoreGB(0);
395 break;
396 case DEMOD_PSK2: //inverted won't affect this
397 case DEMOD_PSK3: //not fully implemented
398 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
399 save_restoreGB(1);
400 CmdLtrim("160");
401 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
402 ans = PSKDemod(cmdStr, FALSE);
403 psk1TOpsk2(DemodBuffer, DemodBufferLen);
404 //undo trim samples
405 save_restoreGB(0);
406 break;
407 case DEMOD_NRZ:
408 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
409 ans = NRZrawDemod(cmdStr, FALSE);
410 break;
411 case DEMOD_BI:
412 case DEMOD_BIa:
413 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
414 ans = ASKbiphaseDemod(cmdStr, FALSE);
415 break;
416 default:
417 return FALSE;
418 }
419 return (bool) ans;
420 }
421
422 int CmdT55xxDetect(const char *Cmd){
423 bool errors = FALSE;
424 bool useGB = FALSE;
425 bool usepwd = FALSE;
426 uint32_t password = 0;
427 uint8_t cmdp = 0;
428
429 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
430 switch(param_getchar(Cmd, cmdp)) {
431 case 'h':
432 case 'H':
433 return usage_t55xx_detect();
434 case 'p':
435 case 'P':
436 password = param_get32ex(Cmd, cmdp+1, 0, 16);
437 usepwd = TRUE;
438 cmdp += 2;
439 break;
440 case '1':
441 // use Graphbuffer data
442 useGB = TRUE;
443 cmdp++;
444 break;
445 default:
446 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
447 errors = true;
448 break;
449 }
450 }
451 if (errors) return usage_t55xx_detect();
452
453 if ( !useGB) {
454 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
455 return 0;
456 }
457
458 if ( !tryDetectModulation() )
459 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
460
461 return 1;
462 }
463
464 // detect configuration?
465 bool tryDetectModulation(){
466 uint8_t hits = 0;
467 t55xx_conf_block_t tests[15];
468 int bitRate=0;
469 uint8_t fc1 = 0, fc2 = 0, clk=0;
470
471 if (GetFskClock("", FALSE, FALSE)){
472 fskClocks(&fc1, &fc2, &clk, FALSE);
473 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
474 tests[hits].modulation = DEMOD_FSK;
475 if (fc1==8 && fc2 == 5)
476 tests[hits].modulation = DEMOD_FSK1a;
477 else if (fc1==10 && fc2 == 8)
478 tests[hits].modulation = DEMOD_FSK2;
479 tests[hits].bitrate = bitRate;
480 tests[hits].inverted = FALSE;
481 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
482 ++hits;
483 }
484 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
485 tests[hits].modulation = DEMOD_FSK;
486 if (fc1 == 8 && fc2 == 5)
487 tests[hits].modulation = DEMOD_FSK1;
488 else if (fc1 == 10 && fc2 == 8)
489 tests[hits].modulation = DEMOD_FSK2a;
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 config.Q5 = tests[0].Q5;
601 printConfiguration( config );
602 return TRUE;
603 }
604
605 if ( hits > 1) {
606 PrintAndLog("Found [%d] possible matches for modulation.",hits);
607 for(int i=0; i<hits; ++i){
608 PrintAndLog("--[%d]---------------", i+1);
609 printConfiguration( tests[i] );
610 }
611 }
612 return FALSE;
613 }
614
615 bool testModulation(uint8_t mode, uint8_t modread){
616 switch( mode ){
617 case DEMOD_FSK:
618 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
619 break;
620 case DEMOD_ASK:
621 if (modread == DEMOD_ASK) return TRUE;
622 break;
623 case DEMOD_PSK1:
624 if (modread == DEMOD_PSK1) return TRUE;
625 break;
626 case DEMOD_PSK2:
627 if (modread == DEMOD_PSK2) return TRUE;
628 break;
629 case DEMOD_PSK3:
630 if (modread == DEMOD_PSK3) return TRUE;
631 break;
632 case DEMOD_NRZ:
633 if (modread == DEMOD_NRZ) return TRUE;
634 break;
635 case DEMOD_BI:
636 if (modread == DEMOD_BI) return TRUE;
637 break;
638 case DEMOD_BIa:
639 if (modread == DEMOD_BIa) return TRUE;
640 break;
641 default:
642 return FALSE;
643 }
644 return FALSE;
645 }
646
647 bool testQ5Modulation(uint8_t mode, uint8_t modread){
648 switch( mode ){
649 case DEMOD_FSK:
650 if (modread >= 4 && modread <= 5) return TRUE;
651 break;
652 case DEMOD_ASK:
653 if (modread == 0) return TRUE;
654 break;
655 case DEMOD_PSK1:
656 if (modread == 1) return TRUE;
657 break;
658 case DEMOD_PSK2:
659 if (modread == 2) return TRUE;
660 break;
661 case DEMOD_PSK3:
662 if (modread == 3) return TRUE;
663 break;
664 case DEMOD_NRZ:
665 if (modread == 7) return TRUE;
666 break;
667 case DEMOD_BI:
668 if (modread == 6) return TRUE;
669 break;
670 default:
671 return FALSE;
672 }
673 return FALSE;
674 }
675
676 int convertQ5bitRate(uint8_t bitRateRead) {
677 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
678 for (int i=0; i<8; i++)
679 if (expected[i] == bitRateRead)
680 return i;
681
682 return -1;
683 }
684
685 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
686
687 if ( DemodBufferLen < 64 ) return FALSE;
688 uint8_t si = 0;
689 for (uint8_t idx = 28; idx < 64; idx++){
690 si = idx;
691 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
692
693 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
694 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
695 // 2nibble must be zeroed.
696 if (safer != 0x6 && safer != 0x9) continue;
697 if ( resv > 0x00) continue;
698 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
699 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
700 si += 1+1;
701 int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate
702 if (bitRate > 128 || bitRate < 8) continue;
703
704 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
705 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
706 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
707 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
708 si += 1+1+2+1;
709 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
710 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
711 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
712 if (maxBlk == 0) continue;
713 //test modulation
714 if (!testQ5Modulation(mode, modread)) continue;
715 if (bitRate != clk) continue;
716 *fndBitRate = convertQ5bitRate(bitRate);
717 if (*fndBitRate < 0) continue;
718 *offset = idx;
719
720 return TRUE;
721 }
722 return FALSE;
723 }
724
725 bool testBitRate(uint8_t readRate, uint8_t clk){
726 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
727 if (expected[readRate] == clk)
728 return true;
729
730 return false;
731 }
732
733 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
734
735 if ( DemodBufferLen < 64 ) return FALSE;
736 uint8_t si = 0;
737 for (uint8_t idx = 28; idx < 64; idx++){
738 si = idx;
739 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
740
741 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
742 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
743 // 2nibble must be zeroed.
744 // moved test to here, since this gets most faults first.
745 if ( resv > 0x00) continue;
746
747 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
748 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
749 if (bitRate > 7) continue;
750 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
751 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
752 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
753 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
754 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
755
756 //if extended mode
757 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
758
759 if (!extMode){
760 if (nml01 || nml02 || xtRate) continue;
761 }
762 //test modulation
763 if (!testModulation(mode, modread)) continue;
764 if (!testBitRate(bitRate, clk)) continue;
765 *fndBitRate = bitRate;
766 *offset = idx;
767 *Q5 = FALSE;
768 return TRUE;
769 }
770 if (testQ5(mode, offset, fndBitRate, clk)) {
771 *Q5 = TRUE;
772 return TRUE;
773 }
774 return FALSE;
775 }
776
777 void printT55xxBlock(const char *blockNum){
778
779 uint8_t i = config.offset;
780 uint8_t endpos = 32 + i;
781 uint32_t blockData = 0;
782 uint8_t bits[64] = {0x00};
783
784 if ( !DemodBufferLen) return;
785
786 if ( endpos > DemodBufferLen){
787 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
788 return;
789 }
790
791 for (; i < endpos; ++i)
792 bits[i - config.offset] = DemodBuffer[i];
793
794 blockData = PackBits(0, 32, bits);
795
796 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
797 }
798
799 int special(const char *Cmd) {
800 uint32_t blockData = 0;
801 uint8_t bits[32] = {0x00};
802
803 PrintAndLog("OFFSET | DATA | BINARY");
804 PrintAndLog("----------------------------------------------------");
805 int i,j = 0;
806 for (; j < 64; ++j){
807
808 for (i = 0; i < 32; ++i)
809 bits[i]=DemodBuffer[j+i];
810
811 blockData = PackBits(0, 32, bits);
812
813 PrintAndLog("%02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
814 }
815 return 0;
816 }
817
818 int printConfiguration( t55xx_conf_block_t b){
819 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
820 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
821 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
822 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
823 PrintAndLog("Offset : %d", b.offset);
824 PrintAndLog("Block0 : 0x%08X", b.block0);
825 PrintAndLog("");
826 return 0;
827 }
828
829 int CmdT55xxWakeUp(const char *Cmd) {
830 uint32_t password = 0;
831 uint8_t cmdp = 0;
832 bool errors = false;
833 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
834 switch(param_getchar(Cmd, cmdp)) {
835 case 'h':
836 case 'H':
837 return usage_t55xx_wakup();
838 case 'p':
839 case 'P':
840 password = param_get32ex(Cmd, cmdp+1, 0, 16);
841 cmdp += 2;
842 errors = false;
843 break;
844 default:
845 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
846 errors = true;
847 break;
848 }
849 }
850 if (errors) return usage_t55xx_wakup();
851
852 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
853 clearCommandBuffer();
854 SendCommand(&c);
855 PrintAndLog("Wake up command sent. Try read now");
856 return 0;
857 }
858
859 int CmdT55xxWriteBlock(const char *Cmd) {
860 uint8_t block = 0xFF; //default to invalid block
861 uint32_t data = 0; //default to blank Block
862 uint32_t password = 0; //default to blank Block 7
863 bool usepwd = false;
864 bool page1 = false;
865 bool gotdata = false;
866 bool errors = false;
867 uint8_t cmdp = 0;
868 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
869 switch(param_getchar(Cmd, cmdp)) {
870 case 'h':
871 case 'H':
872 return usage_t55xx_write();
873 case 'b':
874 case 'B':
875 errors |= param_getdec(Cmd, cmdp+1, &block);
876 cmdp += 2;
877 break;
878 case 'd':
879 case 'D':
880 data = param_get32ex(Cmd, cmdp+1, 0, 16);
881 gotdata = true;
882 cmdp += 2;
883 break;
884 case 'p':
885 case 'P':
886 password = param_get32ex(Cmd, cmdp+1, 0, 16);
887 usepwd = true;
888 cmdp += 2;
889 break;
890 case '1':
891 page1 = true;
892 cmdp++;
893 break;
894 default:
895 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
896 errors = true;
897 break;
898 }
899 }
900 if (errors || !gotdata) return usage_t55xx_write();
901
902 if (block > 7) {
903 PrintAndLog("Block number must be between 0 and 7");
904 return 0;
905 }
906
907 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
908 UsbCommand resp;
909 c.d.asBytes[0] = (page1) ? 0x2 : 0;
910
911 char pwdStr[16] = {0};
912 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
913
914 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
915
916 //Password mode
917 if (usepwd) {
918 c.arg[2] = password;
919 c.d.asBytes[0] |= 0x1;
920 }
921 clearCommandBuffer();
922 SendCommand(&c);
923 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
924 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
925 return 0;
926 }
927 return 1;
928 }
929
930 int CmdT55xxReadTrace(const char *Cmd) {
931 char cmdp = param_getchar(Cmd, 0);
932 bool pwdmode = false;
933 uint32_t password = 0;
934 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();
935
936 if (strlen(Cmd)==0)
937 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
938 return 0;
939
940 if (!DecodeT55xxBlock()) return 0;
941
942 if ( !DemodBufferLen) return 0;
943
944 RepaintGraphWindow();
945 uint8_t repeat = 0;
946 if (config.offset > 5)
947 repeat = 32;
948 uint8_t si = config.offset+repeat;
949 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
950 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
951
952 uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;
953 uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;
954 uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;
955 uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;
956 uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;
957 uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;
958 uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;
959 uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;
960 uint32_t dw = PackBits(si, 15, DemodBuffer);
961
962 time_t t = time(NULL);
963 struct tm tm = *localtime(&t);
964 if ( year > tm.tm_year-110)
965 year += 2000;
966 else
967 year += 2010;
968
969 if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected");
970 if ( acl != 0xE0 ) {
971 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
972 return 0;
973 }
974 PrintAndLog("");
975 PrintAndLog("-- T55xx Trace Information ----------------------------------");
976 PrintAndLog("-------------------------------------------------------------");
977 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
978 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));
979 PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));
980 PrintAndLog(" ICR IC Revision : %d",icr );
981 PrintAndLog(" Manufactured");
982 PrintAndLog(" Year/Quarter : %d/%d",year, quarter);
983 PrintAndLog(" Lot ID : %d", lotid );
984 PrintAndLog(" Wafer number : %d", wafer);
985 PrintAndLog(" Die Number : %d", dw);
986 PrintAndLog("-------------------------------------------------------------");
987 PrintAndLog(" Raw Data - Page 1");
988 PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
989 PrintAndLog(" Block 2 : 0x%08X %s", bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
990 PrintAndLog("-------------------------------------------------------------");
991
992 /*
993 TRACE - BLOCK O
994 Bits Definition HEX
995 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
996 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
997 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
998 22-24 ICR IC revision
999 25-28 YEAR (BCD encoded) 9 (= 2009)
1000 29-30 QUARTER 1,2,3,4
1001 31-32 LOT ID
1002
1003 TRACE - BLOCK 1
1004 1-12 LOT ID
1005 13-17 Wafer number
1006 18-32 DW, die number sequential
1007 */
1008
1009 return 0;
1010 }
1011
1012 int CmdT55xxInfo(const char *Cmd){
1013 /*
1014 Page 0 Block 0 Configuration data.
1015 Normal mode
1016 Extended mode
1017 */
1018 bool pwdmode = false;
1019 uint32_t password = 0;
1020 char cmdp = param_getchar(Cmd, 0);
1021
1022 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') 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 // too little space to start with
1031 if ( DemodBufferLen < 32) return 1;
1032
1033 //
1034 PrintAndLog("Offset+32 ==%d\n DemodLen == %d", config.offset + 32,DemodBufferLen );
1035
1036
1037
1038 uint8_t si = config.offset;
1039 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1040
1041 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1042 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1043 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1044 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1045 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1046 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1047 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1048 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1049 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1050 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1051 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1052 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1053 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1054 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1055 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1056 PrintAndLog("");
1057 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
1058 PrintAndLog("-------------------------------------------------------------");
1059 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1060 PrintAndLog(" reserved : %d", resv);
1061 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1062 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1063 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1064 PrintAndLog(" PSK clock frequency : %d", pskcf);
1065 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1066 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1067 PrintAndLog(" Max block : %d", maxblk);
1068 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1069 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1070 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1071 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1072 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1073 PrintAndLog("-------------------------------------------------------------");
1074 PrintAndLog(" Raw Data - Page 0");
1075 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1076 PrintAndLog("-------------------------------------------------------------");
1077
1078 return 0;
1079 }
1080
1081 int CmdT55xxDump(const char *Cmd){
1082
1083 uint32_t password = 0;
1084 bool override = false;
1085 char cmdp = param_getchar(Cmd, 0);
1086 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1087
1088 bool usepwd = ( strlen(Cmd) > 0);
1089 if ( usepwd ){
1090 password = param_get32ex(Cmd, 0, 0, 16);
1091 if (param_getchar(Cmd, 1) =='o' )
1092 override = true;
1093 }
1094
1095 printT5xxHeader(0);
1096 for ( uint8_t i = 0; i < 8; ++i)
1097 T55xxReadBlock(i, 0, usepwd, override, password);
1098
1099 printT5xxHeader(1);
1100 for ( uint8_t i = 0; i < 4; i++)
1101 T55xxReadBlock(i, 1, usepwd, override, password);
1102
1103 return 1;
1104 }
1105
1106 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1107 // arg0 bitmodes:
1108 // bit0 = pwdmode
1109 // bit1 = page to read from
1110 uint8_t arg0 = (page<<1) | pwdmode;
1111 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1112
1113 clearCommandBuffer();
1114 SendCommand(&c);
1115 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1116 PrintAndLog("command execution time out");
1117 return 0;
1118 }
1119
1120 uint8_t got[12000];
1121 GetFromBigBuf(got,sizeof(got),0);
1122 WaitForResponse(CMD_ACK,NULL);
1123 setGraphBuf(got, sizeof(got));
1124 return 1;
1125 }
1126
1127 char * GetBitRateStr(uint32_t id){
1128 static char buf[25];
1129
1130 char *retStr = buf;
1131 switch (id){
1132 case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
1133 case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
1134 case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
1135 case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
1136 case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
1137 case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
1138 case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
1139 case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
1140 default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
1141 }
1142 return buf;
1143 }
1144
1145 char * GetSaferStr(uint32_t id){
1146 static char buf[40];
1147 char *retStr = buf;
1148
1149 snprintf(retStr,sizeof(buf),"%d",id);
1150 if (id == 6) {
1151 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1152 }
1153 if (id == 9 ){
1154 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1155 }
1156
1157 return buf;
1158 }
1159
1160 char * GetModulationStr( uint32_t id){
1161 static char buf[60];
1162 char *retStr = buf;
1163
1164 switch (id){
1165 case 0:
1166 snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id);
1167 break;
1168 case 1:
1169 snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id);
1170 break;
1171 case 2:
1172 snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id);
1173 break;
1174 case 3:
1175 snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id);
1176 break;
1177 case 4:
1178 snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id);
1179 break;
1180 case 5:
1181 snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id);
1182 break;
1183 case 6:
1184 snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id);
1185 break;
1186 case 7:
1187 snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id);
1188 break;
1189 case 8:
1190 snprintf(retStr,sizeof(buf),"%d - Manchester",id);
1191 break;
1192 case 16:
1193 snprintf(retStr,sizeof(buf),"%d - Biphase",id);
1194 break;
1195 case 0x18:
1196 snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);
1197 break;
1198 case 17:
1199 snprintf(retStr,sizeof(buf),"%d - Reserved",id);
1200 break;
1201 default:
1202 snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id);
1203 break;
1204 }
1205 return buf;
1206 }
1207
1208 char * GetModelStrFromCID(uint32_t cid){
1209
1210 static char buf[10];
1211 char *retStr = buf;
1212
1213 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1214 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1215 return buf;
1216 }
1217
1218 char * GetSelectedModulationStr( uint8_t id){
1219
1220 static char buf[20];
1221 char *retStr = buf;
1222
1223 switch (id){
1224 case DEMOD_FSK:
1225 snprintf(retStr,sizeof(buf),"FSK");
1226 break;
1227 case DEMOD_FSK1:
1228 snprintf(retStr,sizeof(buf),"FSK1");
1229 break;
1230 case DEMOD_FSK1a:
1231 snprintf(retStr,sizeof(buf),"FSK1a");
1232 break;
1233 case DEMOD_FSK2:
1234 snprintf(retStr,sizeof(buf),"FSK2");
1235 break;
1236 case DEMOD_FSK2a:
1237 snprintf(retStr,sizeof(buf),"FSK2a");
1238 break;
1239 case DEMOD_ASK:
1240 snprintf(retStr,sizeof(buf),"ASK");
1241 break;
1242 case DEMOD_NRZ:
1243 snprintf(retStr,sizeof(buf),"DIRECT/NRZ");
1244 break;
1245 case DEMOD_PSK1:
1246 snprintf(retStr,sizeof(buf),"PSK1");
1247 break;
1248 case DEMOD_PSK2:
1249 snprintf(retStr,sizeof(buf),"PSK2");
1250 break;
1251 case DEMOD_PSK3:
1252 snprintf(retStr,sizeof(buf),"PSK3");
1253 break;
1254 case DEMOD_BI:
1255 snprintf(retStr,sizeof(buf),"BIPHASE");
1256 break;
1257 case DEMOD_BIa:
1258 snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)");
1259 break;
1260 default:
1261 snprintf(retStr,sizeof(buf),"(Unknown)");
1262 break;
1263 }
1264 return buf;
1265 }
1266
1267 void t55x7_create_config_block( int tagtype ){
1268
1269 /*
1270 T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK
1271 T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK,
1272 T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK
1273 T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK
1274 */
1275 static char buf[60];
1276 char *retStr = buf;
1277
1278 switch (tagtype){
1279 case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;
1280 case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;
1281 default:
1282 break;
1283 }
1284 PrintAndLog(buf);
1285 }
1286
1287 int CmdResetRead(const char *Cmd) {
1288 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1289
1290 clearCommandBuffer();
1291 SendCommand(&c);
1292 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1293 PrintAndLog("command execution time out");
1294 return 0;
1295 }
1296
1297 uint8_t got[BIGBUF_SIZE-1];
1298 GetFromBigBuf(got,sizeof(got),0);
1299 WaitForResponse(CMD_ACK,NULL);
1300 setGraphBuf(got, sizeof(got));
1301 return 1;
1302 }
1303
1304 int CmdT55xxWipe(const char *Cmd) {
1305 char writeData[20] = {0};
1306 char *ptrData = writeData;
1307
1308 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1309
1310 //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)
1311 snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");
1312
1313 if (!CmdT55xxWriteBlock(ptrData))
1314 PrintAndLog("Error writing blk 0");
1315
1316 for (uint8_t blk = 1; blk<8; blk++) {
1317
1318 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1319
1320 if (!CmdT55xxWriteBlock(ptrData))
1321 PrintAndLog("Error writing blk %d", blk);
1322
1323 memset(writeData,0x00, sizeof(writeData));
1324 }
1325 return 0;
1326 }
1327
1328 int CmdT55xxBruteForce(const char *Cmd) {
1329
1330 // load a default pwd file.
1331 char buf[9];
1332 char filename[FILE_PATH_SIZE]={0};
1333 int keycnt = 0;
1334 uint8_t stKeyBlock = 20;
1335 uint8_t *keyBlock = NULL, *p;
1336 keyBlock = calloc(stKeyBlock, 6);
1337 if (keyBlock == NULL) return 1;
1338
1339 uint32_t start_password = 0x00000000; //start password
1340 uint32_t end_password = 0xFFFFFFFF; //end password
1341 bool found = false;
1342
1343 char cmdp = param_getchar(Cmd, 0);
1344 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1345
1346 if (cmdp == 'i' || cmdp == 'I') {
1347
1348 int len = strlen(Cmd+2);
1349 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1350 memcpy(filename, Cmd+2, len);
1351
1352 FILE * f = fopen( filename , "r");
1353
1354 if ( !f ) {
1355 PrintAndLog("File: %s: not found or locked.", filename);
1356 free(keyBlock);
1357 return 1;
1358 }
1359
1360 while( fgets(buf, sizeof(buf), f) ){
1361 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1362
1363 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1364
1365 //The line start with # is comment, skip
1366 if( buf[0]=='#' ) continue;
1367
1368 if (!isxdigit(buf[0])){
1369 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1370 continue;
1371 }
1372
1373 buf[8] = 0;
1374
1375 if ( stKeyBlock - keycnt < 2) {
1376 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1377 if (!p) {
1378 PrintAndLog("Cannot allocate memory for defaultKeys");
1379 free(keyBlock);
1380 return 2;
1381 }
1382 keyBlock = p;
1383 }
1384 memset(keyBlock + 4 * keycnt, 0, 4);
1385 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1386 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1387 keycnt++;
1388 memset(buf, 0, sizeof(buf));
1389 }
1390 fclose(f);
1391
1392 if (keycnt == 0) {
1393 PrintAndLog("No keys found in file");
1394 return 1;
1395 }
1396 PrintAndLog("Loaded %d keys", keycnt);
1397
1398 // loop
1399 uint64_t testpwd = 0x00;
1400 for (uint16_t c = 0; c < keycnt; ++c ) {
1401
1402 if (ukbhit()) {
1403 getchar();
1404 printf("\naborted via keyboard!\n");
1405 return 0;
1406 }
1407
1408 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1409
1410 PrintAndLog("Testing %08X", testpwd);
1411
1412
1413 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1414 PrintAndLog("Aquireing data from device failed. Quitting");
1415 return 0;
1416 }
1417
1418 found = tryDetectModulation();
1419
1420 if ( found ) {
1421 PrintAndLog("Found valid password: [%08X]", testpwd);
1422 return 0;
1423 }
1424 }
1425 PrintAndLog("Password NOT found.");
1426 return 0;
1427 }
1428
1429 // Try to read Block 7, first :)
1430
1431 // incremental pwd range search
1432 start_password = param_get32ex(Cmd, 0, 0, 16);
1433 end_password = param_get32ex(Cmd, 1, 0, 16);
1434
1435 if ( start_password >= end_password ) return usage_t55xx_bruteforce();
1436
1437 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1438
1439 uint32_t i = start_password;
1440
1441 while ((!found) && (i <= end_password)){
1442
1443 printf(".");
1444 fflush(stdout);
1445 if (ukbhit()) {
1446 getchar();
1447 printf("\naborted via keyboard!\n");
1448 return 0;
1449 }
1450
1451 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1452 PrintAndLog("Aquireing data from device failed. Quitting");
1453 return 0;
1454 }
1455 found = tryDetectModulation();
1456
1457 if (found) break;
1458 i++;
1459 }
1460
1461 PrintAndLog("");
1462
1463 if (found)
1464 PrintAndLog("Found valid password: [%08x]", i);
1465 else
1466 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1467 return 0;
1468 }
1469
1470 static command_t CommandTable[] = {
1471 {"help", CmdHelp, 1, "This help"},
1472 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1473 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1474 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1475 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1476 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1477 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1478 {"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)"},
1479 {"special", special, 0, "Show block changes with 64 different offsets"},
1480 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1481 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1482 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1483 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1484 {NULL, NULL, 0, NULL}
1485 };
1486
1487 int CmdLFT55XX(const char *Cmd) {
1488 CmdsParse(CommandTable, Cmd);
1489 return 0;
1490 }
1491
1492 int CmdHelp(const char *Cmd) {
1493 CmdsHelp(CommandTable);
1494 return 0;
1495 }
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