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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 CONFIGURATION_BLOCK 0x00
30 #define TRACE_BLOCK 0x01
31 #define REGULAR_READ_MODE_BLOCK 0xFF
32
33 // Default configuration
34 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00, .Q5 = FALSE };
35
36 t55xx_conf_block_t Get_t55xx_Config(){
37 return config;
38 }
39 void Set_t55xx_Config(t55xx_conf_block_t conf){
40 config = conf;
41 }
42
43 int usage_t55xx_config(){
44 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
45 PrintAndLog("Options:");
46 PrintAndLog(" h This help");
47 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
48 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
49 PrintAndLog(" i [1] Invert data signal, defaults to normal");
50 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
51 PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
52 PrintAndLog("");
53 PrintAndLog("Examples:");
54 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
55 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
56 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
57 PrintAndLog("");
58 return 0;
59 }
60 int usage_t55xx_read(){
61 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
62 PrintAndLog("Options:");
63 PrintAndLog(" b <block> - block number to read. Between 0-7");
64 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
65 PrintAndLog(" o - OPTIONAL override safety check");
66 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
67 PrintAndLog(" ****WARNING****");
68 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
69 PrintAndLog(" can damage the tag");
70 PrintAndLog("");
71 PrintAndLog("Examples:");
72 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
73 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
74 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
75 PrintAndLog("");
76 return 0;
77 }
78 int usage_t55xx_write(){
79 PrintAndLog("Usage: lf t55xx wr [b <block>] [d <data>] [p <password>] [1]");
80 PrintAndLog("Options:");
81 PrintAndLog(" b <block> - block number to write. Between 0-7");
82 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
83 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
84 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
85 PrintAndLog("");
86 PrintAndLog("Examples:");
87 PrintAndLog(" lf t55xx wr b 3 d 11223344 - write 11223344 to block 3");
88 PrintAndLog(" lf t55xx wr b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
89 PrintAndLog("");
90 return 0;
91 }
92 int usage_t55xx_trace() {
93 PrintAndLog("Usage: lf t55xx trace [1]");
94 PrintAndLog("Options:");
95 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
96 PrintAndLog("");
97 PrintAndLog("Examples:");
98 PrintAndLog(" lf t55xx trace");
99 PrintAndLog(" lf t55xx trace 1");
100 PrintAndLog("");
101 return 0;
102 }
103 int usage_t55xx_info() {
104 PrintAndLog("Usage: lf t55xx info [1]");
105 PrintAndLog("Options:");
106 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
107 PrintAndLog("");
108 PrintAndLog("Examples:");
109 PrintAndLog(" lf t55xx info");
110 PrintAndLog(" lf t55xx info 1");
111 PrintAndLog("");
112 return 0;
113 }
114 int usage_t55xx_dump(){
115 PrintAndLog("Usage: lf t55xx dump <password> [o]");
116 PrintAndLog("Options:");
117 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
118 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
119 PrintAndLog("");
120 PrintAndLog("Examples:");
121 PrintAndLog(" lf t55xx dump");
122 PrintAndLog(" lf t55xx dump feedbeef o");
123 PrintAndLog("");
124 return 0;
125 }
126 int usage_t55xx_detect(){
127 PrintAndLog("Usage: lf t55xx detect [1]");
128 PrintAndLog("Options:");
129 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
130 PrintAndLog("");
131 PrintAndLog("Examples:");
132 PrintAndLog(" lf t55xx detect");
133 PrintAndLog(" lf t55xx detect 1");
134 PrintAndLog("");
135 return 0;
136 }
137 int usage_t55xx_wakup(){
138 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
139 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
140 PrintAndLog("Options:");
141 PrintAndLog(" h - this help");
142 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
143 PrintAndLog("");
144 PrintAndLog("Examples:");
145 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
146 return 0;
147 }
148
149 static int CmdHelp(const char *Cmd);
150
151 int CmdT55xxSetConfig(const char *Cmd) {
152
153 uint8_t offset = 0;
154 char modulation[5] = {0x00};
155 char tmp = 0x00;
156 uint8_t bitRate = 0;
157 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
158 uint8_t cmdp = 0;
159 config.Q5 = FALSE;
160 bool errors = FALSE;
161 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
162 {
163 tmp = param_getchar(Cmd, cmdp);
164 switch(tmp)
165 {
166 case 'h':
167 case 'H':
168 return usage_t55xx_config();
169 case 'b':
170 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
171 if ( !errors){
172 uint8_t i = 0;
173 for (; i < 9; i++){
174 if (rates[i]==bitRate) {
175 config.bitrate = i;
176 break;
177 }
178 }
179 if (i==9) errors = TRUE;
180 }
181 cmdp+=2;
182 break;
183 case 'd':
184 param_getstr(Cmd, cmdp+1, modulation);
185 cmdp += 2;
186
187 if ( strcmp(modulation, "FSK" ) == 0) {
188 config.modulation = DEMOD_FSK;
189 } else if ( strcmp(modulation, "FSK1" ) == 0) {
190 config.modulation = DEMOD_FSK1;
191 config.inverted=1;
192 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
193 config.modulation = DEMOD_FSK1a;
194 config.inverted=0;
195 } else if ( strcmp(modulation, "FSK2" ) == 0) {
196 config.modulation = DEMOD_FSK2;
197 config.inverted=0;
198 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
199 config.modulation = DEMOD_FSK2a;
200 config.inverted=1;
201 } else if ( strcmp(modulation, "ASK" ) == 0) {
202 config.modulation = DEMOD_ASK;
203 } else if ( strcmp(modulation, "NRZ" ) == 0) {
204 config.modulation = DEMOD_NRZ;
205 } else if ( strcmp(modulation, "PSK1" ) == 0) {
206 config.modulation = DEMOD_PSK1;
207 } else if ( strcmp(modulation, "PSK2" ) == 0) {
208 config.modulation = DEMOD_PSK2;
209 } else if ( strcmp(modulation, "PSK3" ) == 0) {
210 config.modulation = DEMOD_PSK3;
211 } else if ( strcmp(modulation, "BIa" ) == 0) {
212 config.modulation = DEMOD_BIa;
213 config.inverted=1;
214 } else if ( strcmp(modulation, "BI" ) == 0) {
215 config.modulation = DEMOD_BI;
216 config.inverted=0;
217 } else {
218 PrintAndLog("Unknown modulation '%s'", modulation);
219 errors = TRUE;
220 }
221 break;
222 case 'i':
223 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
224 cmdp+=2;
225 break;
226 case 'o':
227 errors |= param_getdec(Cmd, cmdp+1, &offset);
228 if ( !errors )
229 config.offset = offset;
230 cmdp+=2;
231 break;
232 case 'Q':
233 case 'q':
234 config.Q5 = TRUE;
235 cmdp++;
236 break;
237 default:
238 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
239 errors = TRUE;
240 break;
241 }
242 }
243
244 // No args
245 if (cmdp == 0) return printConfiguration( config );
246
247 //Validations
248 if (errors) return usage_t55xx_config();
249
250 config.block0 = 0;
251 return printConfiguration ( config );
252 }
253
254 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
255 //Password mode
256 if ( usepwd ) {
257 // try reading the config block and verify that PWD bit is set before doing this!
258 if ( !override ) {
259 if ( !AquireData(0, CONFIGURATION_BLOCK, false, 0 ) ) return 0;
260 if ( !tryDetectModulation() ) {
261 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
262 return 0;
263 } else {
264 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
265 usepwd = false;
266 page1 = false;
267 }
268 } else {
269 PrintAndLog("Safety Check Overriden - proceeding despite risk");
270 }
271 }
272
273 if (!AquireData(page1, block, usepwd, password) ) return 0;
274 if (!DecodeT55xxBlock()) return 0;
275
276 char blk[10]={0};
277 sprintf(blk,"%d", block);
278 printT55xxBlock(blk);
279 return 1;
280 }
281
282 int CmdT55xxReadBlock(const char *Cmd) {
283 uint8_t block = REGULAR_READ_MODE_BLOCK;
284 uint32_t password = 0; //default to blank Block 7
285 bool usepwd = false;
286 bool override = false;
287 bool page1 = false;
288 bool errors = false;
289 uint8_t cmdp = 0;
290 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
291 switch(param_getchar(Cmd, cmdp)) {
292 case 'h':
293 case 'H':
294 return usage_t55xx_read();
295 case 'b':
296 case 'B':
297 errors |= param_getdec(Cmd, cmdp+1, &block);
298 cmdp += 2;
299 break;
300 case 'o':
301 case 'O':
302 override = true;
303 cmdp++;
304 break;
305 case 'p':
306 case 'P':
307 password = param_get32ex(Cmd, cmdp+1, 0, 16);
308 usepwd = true;
309 cmdp += 2;
310 break;
311 case '1':
312 page1 = true;
313 cmdp++;
314 break;
315 default:
316 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
317 errors = true;
318 break;
319 }
320 }
321 if (errors) return usage_t55xx_read();
322
323 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
324 PrintAndLog("Block must be between 0 and 7");
325 return 0;
326 }
327 PrintAndLog("Reading Page %d:", page1);
328 PrintAndLog("blk | hex data | binary");
329 return T55xxReadBlock(block, page1, usepwd, override, password);
330 }
331
332 bool DecodeT55xxBlock(){
333
334 char buf[30] = {0x00};
335 char *cmdStr = buf;
336 int ans = 0;
337 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
338 DemodBufferLen = 0x00;
339
340 switch( config.modulation ){
341 case DEMOD_FSK:
342 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
343 ans = FSKrawDemod(cmdStr, FALSE);
344 break;
345 case DEMOD_FSK1:
346 case DEMOD_FSK1a:
347 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
348 ans = FSKrawDemod(cmdStr, FALSE);
349 break;
350 case DEMOD_FSK2:
351 case DEMOD_FSK2a:
352 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
353 ans = FSKrawDemod(cmdStr, FALSE);
354 break;
355 case DEMOD_ASK:
356 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
357 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
358 break;
359 case DEMOD_PSK1:
360 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
361 CmdLtrim("160");
362 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
363 ans = PSKDemod(cmdStr, FALSE);
364 break;
365 case DEMOD_PSK2: //inverted won't affect this
366 case DEMOD_PSK3: //not fully implemented
367 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
368 CmdLtrim("160");
369 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
370 ans = PSKDemod(cmdStr, FALSE);
371 psk1TOpsk2(DemodBuffer, DemodBufferLen);
372 break;
373 case DEMOD_NRZ:
374 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
375 ans = NRZrawDemod(cmdStr, FALSE);
376 break;
377 case DEMOD_BI:
378 case DEMOD_BIa:
379 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
380 ans = ASKbiphaseDemod(cmdStr, FALSE);
381 break;
382 default:
383 return FALSE;
384 }
385 return (bool) ans;
386 }
387
388 int CmdT55xxDetect(const char *Cmd){
389
390 char cmdp = param_getchar(Cmd, 0);
391 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
392 return usage_t55xx_detect();
393
394 if (strlen(Cmd)==0)
395 if ( !AquireData(0, CONFIGURATION_BLOCK, false, 0) )
396 return 0;
397
398 if ( !tryDetectModulation() )
399 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
400
401 return 1;
402 }
403
404 // detect configuration?
405 bool tryDetectModulation(){
406 uint8_t hits = 0;
407 t55xx_conf_block_t tests[15];
408 int bitRate=0;
409 uint8_t fc1 = 0, fc2 = 0, clk=0;
410 save_restoreGB(1);
411 if (GetFskClock("", FALSE, FALSE)){
412 fskClocks(&fc1, &fc2, &clk, FALSE);
413 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
414 tests[hits].modulation = DEMOD_FSK;
415 if (fc1==8 && fc2 == 5)
416 tests[hits].modulation = DEMOD_FSK1a;
417 else if (fc1==10 && fc2 == 8)
418 tests[hits].modulation = DEMOD_FSK2;
419 tests[hits].bitrate = bitRate;
420 tests[hits].inverted = FALSE;
421 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
422 ++hits;
423 }
424 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
425 tests[hits].modulation = DEMOD_FSK;
426 if (fc1 == 8 && fc2 == 5)
427 tests[hits].modulation = DEMOD_FSK1;
428 else if (fc1 == 10 && fc2 == 8)
429 tests[hits].modulation = DEMOD_FSK2a;
430
431 tests[hits].bitrate = bitRate;
432 tests[hits].inverted = TRUE;
433 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
434 ++hits;
435 }
436 } else {
437 clk = GetAskClock("", FALSE, FALSE);
438 if (clk>0) {
439 if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
440 tests[hits].modulation = DEMOD_ASK;
441 tests[hits].bitrate = bitRate;
442 tests[hits].inverted = FALSE;
443 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
444 ++hits;
445 }
446 if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
447 tests[hits].modulation = DEMOD_ASK;
448 tests[hits].bitrate = bitRate;
449 tests[hits].inverted = TRUE;
450 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
451 ++hits;
452 }
453 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
454 tests[hits].modulation = DEMOD_BI;
455 tests[hits].bitrate = bitRate;
456 tests[hits].inverted = FALSE;
457 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
458 ++hits;
459 }
460 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
461 tests[hits].modulation = DEMOD_BIa;
462 tests[hits].bitrate = bitRate;
463 tests[hits].inverted = TRUE;
464 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
465 ++hits;
466 }
467 }
468 //undo trim from ask
469 save_restoreGB(0);
470 clk = GetNrzClock("", FALSE, FALSE);
471 if (clk>0) {
472 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
473 tests[hits].modulation = DEMOD_NRZ;
474 tests[hits].bitrate = bitRate;
475 tests[hits].inverted = FALSE;
476 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
477 ++hits;
478 }
479
480 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
481 tests[hits].modulation = DEMOD_NRZ;
482 tests[hits].bitrate = bitRate;
483 tests[hits].inverted = TRUE;
484 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
485 ++hits;
486 }
487 }
488
489 //undo trim from nrz
490 save_restoreGB(0);
491 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
492 CmdLtrim("160");
493 clk = GetPskClock("", FALSE, FALSE);
494 if (clk>0) {
495 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
496 tests[hits].modulation = DEMOD_PSK1;
497 tests[hits].bitrate = bitRate;
498 tests[hits].inverted = FALSE;
499 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
500 ++hits;
501 }
502 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
503 tests[hits].modulation = DEMOD_PSK1;
504 tests[hits].bitrate = bitRate;
505 tests[hits].inverted = TRUE;
506 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
507 ++hits;
508 }
509 // PSK2 - needs a call to psk1TOpsk2.
510 if ( PSKDemod("0 0 6", FALSE)) {
511 psk1TOpsk2(DemodBuffer, DemodBufferLen);
512 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
513 tests[hits].modulation = DEMOD_PSK2;
514 tests[hits].bitrate = bitRate;
515 tests[hits].inverted = FALSE;
516 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
517 ++hits;
518 }
519 } // inverse waves does not affect this demod
520 // PSK3 - needs a call to psk1TOpsk2.
521 if ( PSKDemod("0 0 6", FALSE)) {
522 psk1TOpsk2(DemodBuffer, DemodBufferLen);
523 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
524 tests[hits].modulation = DEMOD_PSK3;
525 tests[hits].bitrate = bitRate;
526 tests[hits].inverted = FALSE;
527 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
528 ++hits;
529 }
530 } // inverse waves does not affect this demod
531 }
532 }
533 save_restoreGB(0);
534 if ( hits == 1) {
535 config.modulation = tests[0].modulation;
536 config.bitrate = tests[0].bitrate;
537 config.inverted = tests[0].inverted;
538 config.offset = tests[0].offset;
539 config.block0 = tests[0].block0;
540 printConfiguration( config );
541 return TRUE;
542 }
543
544 if ( hits > 1) {
545 PrintAndLog("Found [%d] possible matches for modulation.",hits);
546 for(int i=0; i<hits; ++i){
547 PrintAndLog("--[%d]---------------", i+1);
548 printConfiguration( tests[i] );
549 }
550 }
551 return FALSE;
552 }
553
554 bool testModulation(uint8_t mode, uint8_t modread){
555 switch( mode ){
556 case DEMOD_FSK:
557 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
558 break;
559 case DEMOD_ASK:
560 if (modread == DEMOD_ASK) return TRUE;
561 break;
562 case DEMOD_PSK1:
563 if (modread == DEMOD_PSK1) return TRUE;
564 break;
565 case DEMOD_PSK2:
566 if (modread == DEMOD_PSK2) return TRUE;
567 break;
568 case DEMOD_PSK3:
569 if (modread == DEMOD_PSK3) return TRUE;
570 break;
571 case DEMOD_NRZ:
572 if (modread == DEMOD_NRZ) return TRUE;
573 break;
574 case DEMOD_BI:
575 if (modread == DEMOD_BI) return TRUE;
576 break;
577 case DEMOD_BIa:
578 if (modread == DEMOD_BIa) return TRUE;
579 break;
580 default:
581 return FALSE;
582 }
583 return FALSE;
584 }
585
586 bool testQ5Modulation(uint8_t mode, uint8_t modread){
587 switch( mode ){
588 case DEMOD_FSK:
589 if (modread >= 4 && modread <= 5) return TRUE;
590 break;
591 case DEMOD_ASK:
592 if (modread == 0) return TRUE;
593 break;
594 case DEMOD_PSK1:
595 if (modread == 1) return TRUE;
596 break;
597 case DEMOD_PSK2:
598 if (modread == 2) return TRUE;
599 break;
600 case DEMOD_PSK3:
601 if (modread == 3) return TRUE;
602 break;
603 case DEMOD_NRZ:
604 if (modread == 7) return TRUE;
605 break;
606 case DEMOD_BI:
607 if (modread == 6) return TRUE;
608 break;
609 default:
610 return FALSE;
611 }
612 return FALSE;
613 }
614
615 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
616
617 if ( DemodBufferLen < 64 ) return FALSE;
618 uint8_t si = 0;
619 for (uint8_t idx = 28; idx < 64; idx++){
620 si = idx;
621 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
622
623 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
624 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
625 // 2nibble must be zeroed.
626 if (safer != 0x6) continue;
627 if ( resv > 0x00) continue;
628 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
629 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
630 si += 1+1;
631 int bitRate = PackBits(si, 5, DemodBuffer)*2 + 2; si += 5; //bit rate
632 if (bitRate > 128 || bitRate < 8) continue;
633
634 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
635 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
636 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
637 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
638 si += 1+1+2+1;
639 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
640 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
641 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
642 if (maxBlk == 0) continue;
643 //test modulation
644 if (!testQ5Modulation(mode, modread)) continue;
645 if (bitRate != clk) continue;
646 *fndBitRate = bitRate;
647 *offset = idx;
648
649 return TRUE;
650 }
651 return FALSE;
652 }
653
654 bool testBitRate(uint8_t readRate, uint8_t clk){
655 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
656 if (expected[readRate] == clk)
657 return true;
658
659 return false;
660 }
661
662 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
663
664 if ( DemodBufferLen < 64 ) return FALSE;
665 uint8_t si = 0;
666 for (uint8_t idx = 28; idx < 64; idx++){
667 si = idx;
668 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
669
670 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
671 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
672 // 2nibble must be zeroed.
673 // moved test to here, since this gets most faults first.
674 if ( resv > 0x00) continue;
675
676 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
677 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
678 if (bitRate > 7) continue;
679 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
680 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
681 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
682 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
683 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
684
685 //if extended mode
686 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
687
688 if (!extMode){
689 if (nml01 || nml02 || xtRate) continue;
690 }
691 //test modulation
692 if (!testModulation(mode, modread)) continue;
693 if (!testBitRate(bitRate, clk)) continue;
694 *fndBitRate = bitRate;
695 *offset = idx;
696 *Q5 = FALSE;
697 return TRUE;
698 }
699 if (testQ5(mode, offset, fndBitRate, clk)) {
700 *Q5 = TRUE;
701 return TRUE;
702 }
703 return FALSE;
704 }
705
706 void printT55xxBlock(const char *blockNum){
707
708 uint8_t i = config.offset;
709 uint8_t endpos = 32 + i;
710 uint32_t blockData = 0;
711 uint8_t bits[64] = {0x00};
712
713 if ( !DemodBufferLen) return;
714
715 if ( endpos > DemodBufferLen){
716 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
717 return;
718 }
719
720 for (; i < endpos; ++i)
721 bits[i - config.offset]=DemodBuffer[i];
722
723 blockData = PackBits(0, 32, bits);
724
725 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
726 }
727
728 int special(const char *Cmd) {
729 uint32_t blockData = 0;
730 uint8_t bits[32] = {0x00};
731
732 PrintAndLog("OFFSET | DATA | BINARY");
733 PrintAndLog("----------------------------------------------------");
734 int i,j = 0;
735 for (; j < 64; ++j){
736
737 for (i = 0; i < 32; ++i)
738 bits[i]=DemodBuffer[j+i];
739
740 blockData = PackBits(0, 32, bits);
741
742 PrintAndLog(" %02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
743 }
744 return 0;
745 }
746
747 int printConfiguration( t55xx_conf_block_t b){
748 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
749 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
750 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
751 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
752 PrintAndLog("Offset : %d", b.offset);
753 PrintAndLog("Block0 : 0x%08X", b.block0);
754 PrintAndLog("");
755 return 0;
756 }
757
758 int CmdT55xxWakeUp(const char *Cmd) {
759 uint32_t password = 0;
760 uint8_t cmdp = 0;
761 bool errors = true;
762 while(param_getchar(Cmd, cmdp) != 0x00) {
763 switch(param_getchar(Cmd, cmdp)) {
764 case 'h':
765 case 'H':
766 return usage_t55xx_wakup();
767 case 'p':
768 case 'P':
769 password = param_get32ex(Cmd, cmdp+1, 0xFFFFFFFF, 16);
770 cmdp += 2;
771 errors = false;
772 break;
773 default:
774 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
775 errors = true;
776 break;
777 }
778 }
779 if (errors) return usage_t55xx_wakup();
780
781 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
782 clearCommandBuffer();
783 SendCommand(&c);
784 PrintAndLog("Wake up command sent. Try read now");
785 return 0;
786 }
787
788 int CmdT55xxWriteBlock(const char *Cmd) {
789 uint8_t block = 0xFF; //default to invalid block
790 uint32_t data = 0xFFFFFFFF; //default to blank Block
791 uint32_t password = 0xFFFFFFFF; //default to blank Block 7
792 bool usepwd = false;
793 bool page1 = false;
794 bool gotdata = false;
795 bool errors = false;
796 uint8_t cmdp = 0;
797 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
798 switch(param_getchar(Cmd, cmdp)) {
799 case 'h':
800 case 'H':
801 return usage_t55xx_write();
802 case 'b':
803 case 'B':
804 errors |= param_getdec(Cmd, cmdp+1, &block);
805 cmdp += 2;
806 break;
807 case 'd':
808 case 'D':
809 data = param_get32ex(Cmd, cmdp+1, 0, 16);
810 gotdata = true;
811 cmdp += 2;
812 break;
813 case 'p':
814 case 'P':
815 password = param_get32ex(Cmd, cmdp+1, 0, 16);
816 usepwd = true;
817 cmdp += 2;
818 break;
819 case '1':
820 page1 = true;
821 cmdp++;
822 break;
823 default:
824 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
825 errors = true;
826 break;
827 }
828 }
829 if (errors || !gotdata) return usage_t55xx_write();
830
831 if (block > 7) {
832 PrintAndLog("Block number must be between 0 and 7");
833 return 0;
834 }
835
836 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
837 UsbCommand resp;
838 c.d.asBytes[0] = (page1) ? 0x2 : 0;
839
840 PrintAndLog("Writing to page: %d block: %d data : 0x%08X", page1, block, data);
841
842 //Password mode
843 if (usepwd) {
844 c.arg[2] = password;
845 c.d.asBytes[0] |= 0x1;
846 PrintAndLog("pwd : 0x%08X", password);
847 }
848 clearCommandBuffer();
849 SendCommand(&c);
850 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
851 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
852 return 0;
853 }
854 return 1;
855 }
856
857 int CmdT55xxReadTrace(const char *Cmd) {
858 char cmdp = param_getchar(Cmd, 0);
859 bool pwdmode = false;
860 uint32_t password = 0;
861 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
862 return usage_t55xx_trace();
863
864 if (strlen(Cmd)==0)
865 if ( !AquireData( TRACE_BLOCK, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
866 return 0;
867
868 if (!DecodeT55xxBlock()) return 0;
869
870 if ( !DemodBufferLen) return 0;
871
872 RepaintGraphWindow();
873 uint8_t repeat = 0;
874 if (config.offset > 5)
875 repeat = 32;
876 uint8_t si = config.offset+repeat;
877 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
878 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
879
880 uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;
881 uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;
882 uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;
883 uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;
884 uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;
885 uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;
886 uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;
887 uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;
888 uint32_t dw = PackBits(si, 15, DemodBuffer);
889
890 time_t t = time(NULL);
891 struct tm tm = *localtime(&t);
892 if ( year > tm.tm_year-110)
893 year += 2000;
894 else
895 year += 2010;
896
897 if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected");
898 if ( acl != 0xE0 ) {
899 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
900 return 0;
901 }
902 PrintAndLog("");
903 PrintAndLog("-- T55xx Trace Information ----------------------------------");
904 PrintAndLog("-------------------------------------------------------------");
905 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
906 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));
907 PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));
908 PrintAndLog(" ICR IC Revision : %d",icr );
909 PrintAndLog(" Manufactured");
910 PrintAndLog(" Year/Quarter : %d/%d",year, quarter);
911 PrintAndLog(" Lot ID : %d", lotid );
912 PrintAndLog(" Wafer number : %d", wafer);
913 PrintAndLog(" Die Number : %d", dw);
914 PrintAndLog("-------------------------------------------------------------");
915 PrintAndLog(" Raw Data - Page 1");
916 PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
917 PrintAndLog(" Block 2 : 0x%08X %s", bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
918 PrintAndLog("-------------------------------------------------------------");
919
920 /*
921 TRACE - BLOCK O
922 Bits Definition HEX
923 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
924 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
925 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
926 22-24 ICR IC revision
927 25-28 YEAR (BCD encoded) 9 (= 2009)
928 29-30 QUARTER 1,2,3,4
929 31-32 LOT ID
930
931 TRACE - BLOCK 1
932 1-12 LOT ID
933 13-17 Wafer number
934 18-32 DW, die number sequential
935 */
936
937 return 0;
938 }
939
940 int CmdT55xxInfo(const char *Cmd){
941 /*
942 Page 0 Block 0 Configuration data.
943 Normal mode
944 Extended mode
945 */
946 bool pwdmode = false;
947 uint32_t password = 0;
948 char cmdp = param_getchar(Cmd, 0);
949
950 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
951 return usage_t55xx_info();
952
953 if (strlen(Cmd)==0)
954 if ( !AquireData( 0, CONFIGURATION_BLOCK, pwdmode, password ) )
955 return 1;
956
957 if (!DecodeT55xxBlock()) return 1;
958
959 if ( DemodBufferLen < 32) return 1;
960
961 uint8_t si = config.offset;
962 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
963
964 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
965 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
966 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
967 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
968 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
969 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
970 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
971 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
972 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
973 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
974 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
975 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
976 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
977 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
978 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
979 PrintAndLog("");
980 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
981 PrintAndLog("-------------------------------------------------------------");
982 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
983 PrintAndLog(" reserved : %d", resv);
984 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
985 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
986 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
987 PrintAndLog(" PSK clock frequency : %d", pskcf);
988 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
989 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
990 PrintAndLog(" Max block : %d", maxblk);
991 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
992 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
993 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
994 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
995 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
996 PrintAndLog("-------------------------------------------------------------");
997 PrintAndLog(" Raw Data - Page 0");
998 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
999 PrintAndLog("-------------------------------------------------------------");
1000
1001 return 0;
1002 }
1003
1004 int CmdT55xxDump(const char *Cmd){
1005
1006 uint32_t password = 0;
1007 char cmdp = param_getchar(Cmd, 0);
1008 bool override = false;
1009 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1010
1011 bool usepwd = ( strlen(Cmd) > 0);
1012 if ( usepwd ){
1013 password = param_get32ex(Cmd, 0, 0, 16);
1014 if (param_getchar(Cmd, 1) =='o' )
1015 override = true;
1016 }
1017
1018 PrintAndLog("Reading Page 0:");
1019 PrintAndLog("blk | hex data | binary");
1020 for ( uint8_t i = 0; i <8; ++i){
1021 T55xxReadBlock(i, 0, usepwd, override, password);
1022 /*memset(s,0,sizeof(s));
1023 if ( hasPwd ) {
1024 if ( override ) {
1025 sprintf(s,"b %d p %02x%02x%02x%02x o", i, pwd[0],pwd[1],pwd[2],pwd[3]);
1026 } else {
1027 sprintf(s,"b %d p %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);
1028 }
1029 } else {
1030 sprintf(s,"b %d", i);
1031 }
1032 CmdT55xxReadBlock(s);*/
1033 }
1034 PrintAndLog("Reading Page 1:");
1035 PrintAndLog("blk | hex data | binary");
1036 for ( uint8_t i = 0; i<4; i++){
1037 T55xxReadBlock(i, 1, usepwd, override, password);
1038 }
1039 return 1;
1040 }
1041
1042 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1043
1044 uint8_t arg0 = (page<<1) | pwdmode;
1045 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1046
1047 clearCommandBuffer();
1048 SendCommand(&c);
1049 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1050 PrintAndLog("command execution time out");
1051 return 0;
1052 }
1053
1054 uint8_t got[12000];
1055 GetFromBigBuf(got,sizeof(got),0);
1056 WaitForResponse(CMD_ACK,NULL);
1057 setGraphBuf(got, sizeof(got));
1058 return 1;
1059 }
1060
1061 char * GetBitRateStr(uint32_t id){
1062 static char buf[25];
1063
1064 char *retStr = buf;
1065 switch (id){
1066 case 0:
1067 snprintf(retStr,sizeof(buf),"%d - RF/8",id);
1068 break;
1069 case 1:
1070 snprintf(retStr,sizeof(buf),"%d - RF/16",id);
1071 break;
1072 case 2:
1073 snprintf(retStr,sizeof(buf),"%d - RF/32",id);
1074 break;
1075 case 3:
1076 snprintf(retStr,sizeof(buf),"%d - RF/40",id);
1077 break;
1078 case 4:
1079 snprintf(retStr,sizeof(buf),"%d - RF/50",id);
1080 break;
1081 case 5:
1082 snprintf(retStr,sizeof(buf),"%d - RF/64",id);
1083 break;
1084 case 6:
1085 snprintf(retStr,sizeof(buf),"%d - RF/100",id);
1086 break;
1087 case 7:
1088 snprintf(retStr,sizeof(buf),"%d - RF/128",id);
1089 break;
1090 default:
1091 snprintf(retStr,sizeof(buf),"%d - (Unknown)",id);
1092 break;
1093 }
1094
1095 return buf;
1096 }
1097
1098 char * GetSaferStr(uint32_t id){
1099 static char buf[40];
1100 char *retStr = buf;
1101
1102 snprintf(retStr,sizeof(buf),"%d",id);
1103 if (id == 6) {
1104 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1105 }
1106 if (id == 9 ){
1107 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1108 }
1109
1110 return buf;
1111 }
1112
1113 char * GetModulationStr( uint32_t id){
1114 static char buf[60];
1115 char *retStr = buf;
1116
1117 switch (id){
1118 case 0:
1119 snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id);
1120 break;
1121 case 1:
1122 snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id);
1123 break;
1124 case 2:
1125 snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id);
1126 break;
1127 case 3:
1128 snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id);
1129 break;
1130 case 4:
1131 snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id);
1132 break;
1133 case 5:
1134 snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id);
1135 break;
1136 case 6:
1137 snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id);
1138 break;
1139 case 7:
1140 snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id);
1141 break;
1142 case 8:
1143 snprintf(retStr,sizeof(buf),"%d - Manchester",id);
1144 break;
1145 case 16:
1146 snprintf(retStr,sizeof(buf),"%d - Biphase",id);
1147 break;
1148 case 0x18:
1149 snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);
1150 break;
1151 case 17:
1152 snprintf(retStr,sizeof(buf),"%d - Reserved",id);
1153 break;
1154 default:
1155 snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id);
1156 break;
1157 }
1158 return buf;
1159 }
1160
1161 char * GetModelStrFromCID(uint32_t cid){
1162
1163 static char buf[10];
1164 char *retStr = buf;
1165
1166 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1167 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1168 return buf;
1169 }
1170
1171 char * GetSelectedModulationStr( uint8_t id){
1172
1173 static char buf[20];
1174 char *retStr = buf;
1175
1176 switch (id){
1177 case DEMOD_FSK:
1178 snprintf(retStr,sizeof(buf),"FSK");
1179 break;
1180 case DEMOD_FSK1:
1181 snprintf(retStr,sizeof(buf),"FSK1");
1182 break;
1183 case DEMOD_FSK1a:
1184 snprintf(retStr,sizeof(buf),"FSK1a");
1185 break;
1186 case DEMOD_FSK2:
1187 snprintf(retStr,sizeof(buf),"FSK2");
1188 break;
1189 case DEMOD_FSK2a:
1190 snprintf(retStr,sizeof(buf),"FSK2a");
1191 break;
1192 case DEMOD_ASK:
1193 snprintf(retStr,sizeof(buf),"ASK");
1194 break;
1195 case DEMOD_NRZ:
1196 snprintf(retStr,sizeof(buf),"DIRECT/NRZ");
1197 break;
1198 case DEMOD_PSK1:
1199 snprintf(retStr,sizeof(buf),"PSK1");
1200 break;
1201 case DEMOD_PSK2:
1202 snprintf(retStr,sizeof(buf),"PSK2");
1203 break;
1204 case DEMOD_PSK3:
1205 snprintf(retStr,sizeof(buf),"PSK3");
1206 break;
1207 case DEMOD_BI:
1208 snprintf(retStr,sizeof(buf),"BIPHASE");
1209 break;
1210 case DEMOD_BIa:
1211 snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)");
1212 break;
1213 default:
1214 snprintf(retStr,sizeof(buf),"(Unknown)");
1215 break;
1216 }
1217 return buf;
1218 }
1219
1220 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
1221
1222 int i = start;
1223 int j = len-1;
1224
1225 if (len > 32) return 0;
1226
1227 uint32_t tmp = 0;
1228 for (; j >= 0; --j, ++i)
1229 tmp |= bits[i] << j;
1230
1231 return tmp;
1232 }
1233
1234 int CmdResetRead(const char *Cmd) {
1235 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1236
1237 clearCommandBuffer();
1238 SendCommand(&c);
1239 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1240 PrintAndLog("command execution time out");
1241 return 0;
1242 }
1243
1244 uint8_t got[BIGBUF_SIZE-1];
1245 GetFromBigBuf(got,sizeof(got),0);
1246 WaitForResponse(CMD_ACK,NULL);
1247 setGraphBuf(got, sizeof(got));
1248 return 1;
1249 }
1250
1251 int CmdT55xxWipe(const char *Cmd) {
1252 char writeData[20] = {0};
1253 char *ptrData = writeData;
1254 uint8_t blk = 0;
1255 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1256 //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)
1257 snprintf(ptrData,sizeof(writeData),"b %d d 00088040 p 0", blk);
1258 if (!CmdT55xxWriteBlock(ptrData)){
1259 PrintAndLog("Error writing blk %d", blk);
1260 }
1261 blk = 1;
1262 for (; blk<8; blk++) {
1263 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1264 if (!CmdT55xxWriteBlock(ptrData)){
1265 PrintAndLog("Error writing blk %d", blk);
1266 }
1267 }
1268 return 0;
1269 }
1270
1271 static command_t CommandTable[] =
1272 {
1273 {"help", CmdHelp, 1, "This help"},
1274 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1275 {"detect", CmdT55xxDetect, 0, "[1] Try detecting the tag modulation from reading the configuration block."},
1276 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1277 {"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)"},
1278 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1279 {"trace", CmdT55xxReadTrace, 0, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1280 {"info", CmdT55xxInfo, 0, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1281 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1282 {"special", special, 0, "Show block changes with 64 different offsets"},
1283 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1284 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1285 {NULL, NULL, 0, NULL}
1286 };
1287
1288 int CmdLFT55XX(const char *Cmd)
1289 {
1290 CmdsParse(CommandTable, Cmd);
1291 return 0;
1292 }
1293
1294 int CmdHelp(const char *Cmd)
1295 {
1296 CmdsHelp(CommandTable);
1297 return 0;
1298 }
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