1 //-----------------------------------------------------------------------------
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
6 //-----------------------------------------------------------------------------
7 // Low frequency T55xx commands
8 //-----------------------------------------------------------------------------
14 #include "proxmark3.h"
18 #include "cmdparser.h"
21 #include "cmdlft55xx.h"
25 #include "../common/crc.h"
26 #include "../common/iso14443crc.h"
29 #define CONFIGURATION_BLOCK 0x00
30 #define TRACE_BLOCK 0x01
31 #define REGULAR_READ_MODE_BLOCK 0xFF
33 // Default configuration
34 t55xx_conf_block_t config
= { .modulation
= DEMOD_ASK
, .inverted
= FALSE
, .offset
= 0x00, .block0
= 0x00, .Q5
= FALSE
};
36 t55xx_conf_block_t
Get_t55xx_Config(){
39 void Set_t55xx_Config(t55xx_conf_block_t conf
){
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");
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");
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");
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");
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");
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");
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.");
97 PrintAndLog("Examples:");
98 PrintAndLog(" lf t55xx trace");
99 PrintAndLog(" lf t55xx trace 1");
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.");
108 PrintAndLog("Examples:");
109 PrintAndLog(" lf t55xx info");
110 PrintAndLog(" lf t55xx info 1");
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");
120 PrintAndLog("Examples:");
121 PrintAndLog(" lf t55xx dump");
122 PrintAndLog(" lf t55xx dump feedbeef o");
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.");
131 PrintAndLog("Examples:");
132 PrintAndLog(" lf t55xx detect");
133 PrintAndLog(" lf t55xx detect 1");
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)");
144 PrintAndLog("Examples:");
145 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
149 static int CmdHelp(const char *Cmd
);
151 int CmdT55xxSetConfig(const char *Cmd
) {
154 char modulation
[5] = {0x00};
157 uint8_t rates
[9] = {8,16,32,40,50,64,100,128,0};
161 while(param_getchar(Cmd
, cmdp
) != 0x00 && !errors
)
163 tmp
= param_getchar(Cmd
, cmdp
);
168 return usage_t55xx_config();
170 errors
|= param_getdec(Cmd
, cmdp
+1, &bitRate
);
174 if (rates
[i
]==bitRate
) {
179 if (i
==9) errors
= TRUE
;
184 param_getstr(Cmd
, cmdp
+1, modulation
);
187 if ( strcmp(modulation
, "FSK" ) == 0) {
188 config
.modulation
= DEMOD_FSK
;
189 } else if ( strcmp(modulation
, "FSK1" ) == 0) {
190 config
.modulation
= DEMOD_FSK1
;
192 } else if ( strcmp(modulation
, "FSK1a" ) == 0) {
193 config
.modulation
= DEMOD_FSK1a
;
195 } else if ( strcmp(modulation
, "FSK2" ) == 0) {
196 config
.modulation
= DEMOD_FSK2
;
198 } else if ( strcmp(modulation
, "FSK2a" ) == 0) {
199 config
.modulation
= DEMOD_FSK2a
;
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
;
214 } else if ( strcmp(modulation
, "BI" ) == 0) {
215 config
.modulation
= DEMOD_BI
;
218 PrintAndLog("Unknown modulation '%s'", modulation
);
223 config
.inverted
= param_getchar(Cmd
,cmdp
+1) == '1';
227 errors
|= param_getdec(Cmd
, cmdp
+1, &offset
);
229 config
.offset
= offset
;
238 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
245 if (cmdp
== 0) return printConfiguration( config
);
248 if (errors
) return usage_t55xx_config();
251 return printConfiguration ( config
);
254 int T55xxReadBlock(uint8_t block
, bool page1
, bool usepwd
, bool override
, uint32_t password
){
257 // try reading the config block and verify that PWD bit is set before doing this!
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.");
264 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
269 PrintAndLog("Safety Check Overriden - proceeding despite risk");
273 if (!AquireData(page1
, block
, usepwd
, password
) ) return 0;
274 if (!DecodeT55xxBlock()) return 0;
277 sprintf(blk
,"%d", block
);
278 printT55xxBlock(blk
);
282 int CmdT55xxReadBlock(const char *Cmd
) {
283 uint8_t block
= REGULAR_READ_MODE_BLOCK
;
284 uint32_t password
= 0; //default to blank Block 7
286 bool override
= false;
290 while(param_getchar(Cmd
, cmdp
) != 0x00 && !errors
) {
291 switch(param_getchar(Cmd
, cmdp
)) {
294 return usage_t55xx_read();
297 errors
|= param_getdec(Cmd
, cmdp
+1, &block
);
307 password
= param_get32ex(Cmd
, cmdp
+1, 0, 16);
316 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
321 if (errors
) return usage_t55xx_read();
323 if (block
> 7 && block
!= REGULAR_READ_MODE_BLOCK
) {
324 PrintAndLog("Block must be between 0 and 7");
327 PrintAndLog("Reading Page %d:", page1
);
328 PrintAndLog("blk | hex data | binary");
329 return T55xxReadBlock(block
, page1
, usepwd
, override
, password
);
332 bool DecodeT55xxBlock(){
334 char buf
[30] = {0x00};
337 uint8_t bitRate
[8] = {8,16,32,40,50,64,100,128};
338 DemodBufferLen
= 0x00;
340 switch( config
.modulation
){
342 snprintf(cmdStr
, sizeof(buf
),"%d %d", bitRate
[config
.bitrate
], config
.inverted
);
343 ans
= FSKrawDemod(cmdStr
, FALSE
);
347 snprintf(cmdStr
, sizeof(buf
),"%d %d 8 5", bitRate
[config
.bitrate
], config
.inverted
);
348 ans
= FSKrawDemod(cmdStr
, FALSE
);
352 snprintf(cmdStr
, sizeof(buf
),"%d %d 10 8", bitRate
[config
.bitrate
], config
.inverted
);
353 ans
= FSKrawDemod(cmdStr
, FALSE
);
356 snprintf(cmdStr
, sizeof(buf
),"%d %d 1", bitRate
[config
.bitrate
], config
.inverted
);
357 ans
= ASKDemod(cmdStr
, FALSE
, FALSE
, 1);
360 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
362 snprintf(cmdStr
, sizeof(buf
),"%d %d 6", bitRate
[config
.bitrate
], config
.inverted
);
363 ans
= PSKDemod(cmdStr
, FALSE
);
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)
369 snprintf(cmdStr
, sizeof(buf
),"%d 0 6", bitRate
[config
.bitrate
] );
370 ans
= PSKDemod(cmdStr
, FALSE
);
371 psk1TOpsk2(DemodBuffer
, DemodBufferLen
);
374 snprintf(cmdStr
, sizeof(buf
),"%d %d 1", bitRate
[config
.bitrate
], config
.inverted
);
375 ans
= NRZrawDemod(cmdStr
, FALSE
);
379 snprintf(cmdStr
, sizeof(buf
),"0 %d %d 1", bitRate
[config
.bitrate
], config
.inverted
);
380 ans
= ASKbiphaseDemod(cmdStr
, FALSE
);
388 int CmdT55xxDetect(const char *Cmd
){
390 char cmdp
= param_getchar(Cmd
, 0);
391 if (strlen(Cmd
) > 1 || cmdp
== 'h' || cmdp
== 'H')
392 return usage_t55xx_detect();
395 if ( !AquireData(0, CONFIGURATION_BLOCK
, false, 0) )
398 if ( !tryDetectModulation() )
399 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
404 // detect configuration?
405 bool tryDetectModulation(){
407 t55xx_conf_block_t tests
[15];
409 uint8_t fc1
= 0, fc2
= 0, clk
=0;
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
);
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
;
431 tests
[hits
].bitrate
= bitRate
;
432 tests
[hits
].inverted
= TRUE
;
433 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
437 clk
= GetAskClock("", FALSE
, FALSE
);
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
);
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
);
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
);
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
);
470 clk
= GetNrzClock("", FALSE
, FALSE
);
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
);
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
);
491 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
493 clk
= GetPskClock("", FALSE
, FALSE
);
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
);
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
);
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
);
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
);
530 } // inverse waves does not affect this demod
534 config
.modulation
= tests
[0].modulation
;
535 config
.bitrate
= tests
[0].bitrate
;
536 config
.inverted
= tests
[0].inverted
;
537 config
.offset
= tests
[0].offset
;
538 config
.block0
= tests
[0].block0
;
539 printConfiguration( config
);
544 PrintAndLog("Found [%d] possible matches for modulation.",hits
);
545 for(int i
=0; i
<hits
; ++i
){
546 PrintAndLog("--[%d]---------------", i
+1);
547 printConfiguration( tests
[i
] );
553 bool testModulation(uint8_t mode
, uint8_t modread
){
556 if (modread
>= DEMOD_FSK1
&& modread
<= DEMOD_FSK2a
) return TRUE
;
559 if (modread
== DEMOD_ASK
) return TRUE
;
562 if (modread
== DEMOD_PSK1
) return TRUE
;
565 if (modread
== DEMOD_PSK2
) return TRUE
;
568 if (modread
== DEMOD_PSK3
) return TRUE
;
571 if (modread
== DEMOD_NRZ
) return TRUE
;
574 if (modread
== DEMOD_BI
) return TRUE
;
577 if (modread
== DEMOD_BIa
) return TRUE
;
585 bool testQ5Modulation(uint8_t mode
, uint8_t modread
){
588 if (modread
>= 4 && modread
<= 5) return TRUE
;
591 if (modread
== 0) return TRUE
;
594 if (modread
== 1) return TRUE
;
597 if (modread
== 2) return TRUE
;
600 if (modread
== 3) return TRUE
;
603 if (modread
== 7) return TRUE
;
606 if (modread
== 6) return TRUE
;
614 bool testQ5(uint8_t mode
, uint8_t *offset
, int *fndBitRate
, uint8_t clk
){
616 if ( DemodBufferLen
< 64 ) return FALSE
;
618 for (uint8_t idx
= 28; idx
< 64; idx
++){
620 if ( PackBits(si
, 28, DemodBuffer
) == 0x00 ) continue;
622 uint8_t safer
= PackBits(si
, 4, DemodBuffer
); si
+= 4; //master key
623 uint8_t resv
= PackBits(si
, 8, DemodBuffer
); si
+= 8;
624 // 2nibble must be zeroed.
625 if (safer
!= 0x6) continue;
626 if ( resv
> 0x00) continue;
627 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
628 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
630 int bitRate
= PackBits(si
, 5, DemodBuffer
)*2 + 2; si
+= 5; //bit rate
631 if (bitRate
> 128 || bitRate
< 8) continue;
633 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
634 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
635 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
636 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
638 uint8_t modread
= PackBits(si
, 3, DemodBuffer
); si
+= 3;
639 uint8_t maxBlk
= PackBits(si
, 3, DemodBuffer
); si
+= 3;
640 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
641 if (maxBlk
== 0) continue;
643 if (!testQ5Modulation(mode
, modread
)) continue;
644 if (bitRate
!= clk
) continue;
645 *fndBitRate
= bitRate
;
653 bool testBitRate(uint8_t readRate
, uint8_t clk
){
654 uint8_t expected
[] = {8, 16, 32, 40, 50, 64, 100, 128};
655 if (expected
[readRate
] == clk
)
661 bool test(uint8_t mode
, uint8_t *offset
, int *fndBitRate
, uint8_t clk
, bool *Q5
){
663 if ( DemodBufferLen
< 64 ) return FALSE
;
665 for (uint8_t idx
= 28; idx
< 64; idx
++){
667 if ( PackBits(si
, 28, DemodBuffer
) == 0x00 ) continue;
669 uint8_t safer
= PackBits(si
, 4, DemodBuffer
); si
+= 4; //master key
670 uint8_t resv
= PackBits(si
, 4, DemodBuffer
); si
+= 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
671 // 2nibble must be zeroed.
672 // moved test to here, since this gets most faults first.
673 if ( resv
> 0x00) continue;
675 uint8_t xtRate
= PackBits(si
, 3, DemodBuffer
); si
+= 3; //extended mode part of rate
676 int bitRate
= PackBits(si
, 3, DemodBuffer
); si
+= 3; //bit rate
677 if (bitRate
> 7) continue;
678 uint8_t extend
= PackBits(si
, 1, DemodBuffer
); si
+= 1; //bit 15 extended mode
679 uint8_t modread
= PackBits(si
, 5, DemodBuffer
); si
+= 5+2+1;
680 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
681 uint8_t nml01
= PackBits(si
, 1, DemodBuffer
); si
+= 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
682 uint8_t nml02
= PackBits(si
, 2, DemodBuffer
); si
+= 2;
685 bool extMode
=( (safer
== 0x6 || safer
== 0x9) && extend
) ? TRUE
: FALSE
;
688 if (nml01
|| nml02
|| xtRate
) continue;
691 if (!testModulation(mode
, modread
)) continue;
692 if (!testBitRate(bitRate
, clk
)) continue;
693 *fndBitRate
= bitRate
;
698 if (testQ5(mode
, offset
, fndBitRate
, clk
)) {
705 void printT55xxBlock(const char *blockNum
){
707 uint8_t i
= config
.offset
;
708 uint8_t endpos
= 32 + i
;
709 uint32_t blockData
= 0;
710 uint8_t bits
[64] = {0x00};
712 if ( !DemodBufferLen
) return;
714 if ( endpos
> DemodBufferLen
){
715 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i
, DemodBufferLen
-32);
719 for (; i
< endpos
; ++i
)
720 bits
[i
- config
.offset
]=DemodBuffer
[i
];
722 blockData
= PackBits(0, 32, bits
);
724 PrintAndLog(" %s | %08X | %s", blockNum
, blockData
, sprint_bin(bits
,32));
727 int special(const char *Cmd
) {
728 uint32_t blockData
= 0;
729 uint8_t bits
[32] = {0x00};
731 PrintAndLog("OFFSET | DATA | BINARY");
732 PrintAndLog("----------------------------------------------------");
736 for (i
= 0; i
< 32; ++i
)
737 bits
[i
]=DemodBuffer
[j
+i
];
739 blockData
= PackBits(0, 32, bits
);
741 PrintAndLog(" %02d | 0x%08X | %s",j
, blockData
, sprint_bin(bits
,32));
746 int printConfiguration( t55xx_conf_block_t b
){
747 PrintAndLog("Chip Type : %s", (b
.Q5
) ? "T5555(Q5)" : "T55x7");
748 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b
.modulation
) );
749 PrintAndLog("Bit Rate : %s", GetBitRateStr(b
.bitrate
) );
750 PrintAndLog("Inverted : %s", (b
.inverted
) ? "Yes" : "No" );
751 PrintAndLog("Offset : %d", b
.offset
);
752 PrintAndLog("Block0 : 0x%08X", b
.block0
);
757 int CmdT55xxWakeUp(const char *Cmd
) {
758 uint32_t password
= 0;
761 while(param_getchar(Cmd
, cmdp
) != 0x00) {
762 switch(param_getchar(Cmd
, cmdp
)) {
765 return usage_t55xx_wakup();
768 password
= param_get32ex(Cmd
, cmdp
+1, 0xFFFFFFFF, 16);
773 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
778 if (errors
) return usage_t55xx_wakup();
780 UsbCommand c
= {CMD_T55XX_WAKEUP
, {password
, 0, 0}};
781 clearCommandBuffer();
783 PrintAndLog("Wake up command sent. Try read now");
787 int CmdT55xxWriteBlock(const char *Cmd
) {
788 uint8_t block
= 0xFF; //default to invalid block
789 uint32_t data
= 0xFFFFFFFF; //default to blank Block
790 uint32_t password
= 0xFFFFFFFF; //default to blank Block 7
793 bool gotdata
= false;
796 while(param_getchar(Cmd
, cmdp
) != 0x00 && !errors
) {
797 switch(param_getchar(Cmd
, cmdp
)) {
800 return usage_t55xx_write();
803 errors
|= param_getdec(Cmd
, cmdp
+1, &block
);
808 data
= param_get32ex(Cmd
, cmdp
+1, 0, 16);
814 password
= param_get32ex(Cmd
, cmdp
+1, 0, 16);
823 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
828 if (errors
|| !gotdata
) return usage_t55xx_write();
831 PrintAndLog("Block number must be between 0 and 7");
835 UsbCommand c
= {CMD_T55XX_WRITE_BLOCK
, {data
, block
, 0}};
837 c
.d
.asBytes
[0] = (page1
) ? 0x2 : 0;
839 PrintAndLog("Writing to page: %d block: %d data : 0x%08X", page1
, block
, data
);
844 c
.d
.asBytes
[0] |= 0x1;
845 PrintAndLog("pwd : 0x%08X", password
);
847 clearCommandBuffer();
849 if (!WaitForResponseTimeout(CMD_ACK
, &resp
, 1000)){
850 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
856 int CmdT55xxReadTrace(const char *Cmd
) {
857 char cmdp
= param_getchar(Cmd
, 0);
858 bool pwdmode
= false;
859 uint32_t password
= 0;
860 if (strlen(Cmd
) > 1 || cmdp
== 'h' || cmdp
== 'H')
861 return usage_t55xx_trace();
864 if ( !AquireData( TRACE_BLOCK
, REGULAR_READ_MODE_BLOCK
, pwdmode
, password
) )
867 if (!DecodeT55xxBlock()) return 0;
869 if ( !DemodBufferLen
) return 0;
871 RepaintGraphWindow();
873 if (config
.offset
> 5)
875 uint8_t si
= config
.offset
+repeat
;
876 uint32_t bl1
= PackBits(si
, 32, DemodBuffer
);
877 uint32_t bl2
= PackBits(si
+32, 32, DemodBuffer
);
879 uint32_t acl
= PackBits(si
, 8, DemodBuffer
); si
+= 8;
880 uint32_t mfc
= PackBits(si
, 8, DemodBuffer
); si
+= 8;
881 uint32_t cid
= PackBits(si
, 5, DemodBuffer
); si
+= 5;
882 uint32_t icr
= PackBits(si
, 3, DemodBuffer
); si
+= 3;
883 uint32_t year
= PackBits(si
, 4, DemodBuffer
); si
+= 4;
884 uint32_t quarter
= PackBits(si
, 2, DemodBuffer
); si
+= 2;
885 uint32_t lotid
= PackBits(si
, 14, DemodBuffer
); si
+= 14;
886 uint32_t wafer
= PackBits(si
, 5, DemodBuffer
); si
+= 5;
887 uint32_t dw
= PackBits(si
, 15, DemodBuffer
);
889 time_t t
= time(NULL
);
890 struct tm tm
= *localtime(&t
);
891 if ( year
> tm
.tm_year
-110)
896 if (config
.Q5
) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected");
898 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
902 PrintAndLog("-- T55xx Trace Information ----------------------------------");
903 PrintAndLog("-------------------------------------------------------------");
904 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl
, acl
);
905 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc
, mfc
, getTagInfo(mfc
));
906 PrintAndLog(" CID : 0x%02X (%d) - %s", cid
, cid
, GetModelStrFromCID(cid
));
907 PrintAndLog(" ICR IC Revision : %d",icr
);
908 PrintAndLog(" Manufactured");
909 PrintAndLog(" Year/Quarter : %d/%d",year
, quarter
);
910 PrintAndLog(" Lot ID : %d", lotid
);
911 PrintAndLog(" Wafer number : %d", wafer
);
912 PrintAndLog(" Die Number : %d", dw
);
913 PrintAndLog("-------------------------------------------------------------");
914 PrintAndLog(" Raw Data - Page 1");
915 PrintAndLog(" Block 1 : 0x%08X %s", bl1
, sprint_bin(DemodBuffer
+config
.offset
+repeat
,32) );
916 PrintAndLog(" Block 2 : 0x%08X %s", bl2
, sprint_bin(DemodBuffer
+config
.offset
+repeat
+32,32) );
917 PrintAndLog("-------------------------------------------------------------");
922 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
923 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
924 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
925 22-24 ICR IC revision
926 25-28 YEAR (BCD encoded) 9 (= 2009)
927 29-30 QUARTER 1,2,3,4
933 18-32 DW, die number sequential
939 int CmdT55xxInfo(const char *Cmd
){
941 Page 0 Block 0 Configuration data.
945 bool pwdmode
= false;
946 uint32_t password
= 0;
947 char cmdp
= param_getchar(Cmd
, 0);
949 if (strlen(Cmd
) > 1 || cmdp
== 'h' || cmdp
== 'H')
950 return usage_t55xx_info();
953 if ( !AquireData( 0, CONFIGURATION_BLOCK
, pwdmode
, password
) )
956 if (!DecodeT55xxBlock()) return 1;
958 if ( DemodBufferLen
< 32) return 1;
960 uint8_t si
= config
.offset
;
961 uint32_t bl0
= PackBits(si
, 32, DemodBuffer
);
963 uint32_t safer
= PackBits(si
, 4, DemodBuffer
); si
+= 4;
964 uint32_t resv
= PackBits(si
, 7, DemodBuffer
); si
+= 7;
965 uint32_t dbr
= PackBits(si
, 3, DemodBuffer
); si
+= 3;
966 uint32_t extend
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
967 uint32_t datamod
= PackBits(si
, 5, DemodBuffer
); si
+= 5;
968 uint32_t pskcf
= PackBits(si
, 2, DemodBuffer
); si
+= 2;
969 uint32_t aor
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
970 uint32_t otp
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
971 uint32_t maxblk
= PackBits(si
, 3, DemodBuffer
); si
+= 3;
972 uint32_t pwd
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
973 uint32_t sst
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
974 uint32_t fw
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
975 uint32_t inv
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
976 uint32_t por
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
977 if (config
.Q5
) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
979 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
980 PrintAndLog("-------------------------------------------------------------");
981 PrintAndLog(" Safer key : %s", GetSaferStr(safer
));
982 PrintAndLog(" reserved : %d", resv
);
983 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr
));
984 PrintAndLog(" eXtended mode : %s", (extend
) ? "Yes - Warning":"No");
985 PrintAndLog(" Modulation : %s", GetModulationStr(datamod
));
986 PrintAndLog(" PSK clock frequency : %d", pskcf
);
987 PrintAndLog(" AOR - Answer on Request : %s", (aor
) ? "Yes":"No");
988 PrintAndLog(" OTP - One Time Pad : %s", (otp
) ? "Yes - Warning":"No" );
989 PrintAndLog(" Max block : %d", maxblk
);
990 PrintAndLog(" Password mode : %s", (pwd
) ? "Yes":"No");
991 PrintAndLog(" Sequence Start Terminator : %s", (sst
) ? "Yes":"No");
992 PrintAndLog(" Fast Write : %s", (fw
) ? "Yes":"No");
993 PrintAndLog(" Inverse data : %s", (inv
) ? "Yes":"No");
994 PrintAndLog(" POR-Delay : %s", (por
) ? "Yes":"No");
995 PrintAndLog("-------------------------------------------------------------");
996 PrintAndLog(" Raw Data - Page 0");
997 PrintAndLog(" Block 0 : 0x%08X %s", bl0
, sprint_bin(DemodBuffer
+config
.offset
,32) );
998 PrintAndLog("-------------------------------------------------------------");
1003 int CmdT55xxDump(const char *Cmd
){
1005 uint32_t password
= 0;
1006 char cmdp
= param_getchar(Cmd
, 0);
1007 bool override
= false;
1008 if ( cmdp
== 'h' || cmdp
== 'H') return usage_t55xx_dump();
1010 bool usepwd
= ( strlen(Cmd
) > 0);
1012 password
= param_get32ex(Cmd
, 0, 0, 16);
1013 if (param_getchar(Cmd
, 1) =='o' )
1017 PrintAndLog("Reading Page 0:");
1018 PrintAndLog("blk | hex data | binary");
1019 for ( uint8_t i
= 0; i
<8; ++i
){
1020 T55xxReadBlock(i
, 0, usepwd
, override
, password
);
1021 /*memset(s,0,sizeof(s));
1024 sprintf(s,"b %d p %02x%02x%02x%02x o", i, pwd[0],pwd[1],pwd[2],pwd[3]);
1026 sprintf(s,"b %d p %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);
1029 sprintf(s,"b %d", i);
1031 CmdT55xxReadBlock(s);*/
1033 PrintAndLog("Reading Page 1:");
1034 PrintAndLog("blk | hex data | binary");
1035 for ( uint8_t i
= 0; i
<4; i
++){
1036 T55xxReadBlock(i
, 1, usepwd
, override
, password
);
1041 int AquireData( uint8_t page
, uint8_t block
, bool pwdmode
, uint32_t password
){
1043 uint8_t arg0
= (page
<<1) | pwdmode
;
1044 UsbCommand c
= {CMD_T55XX_READ_BLOCK
, {arg0
, block
, password
}};
1046 clearCommandBuffer();
1048 if ( !WaitForResponseTimeout(CMD_ACK
,NULL
,2500) ) {
1049 PrintAndLog("command execution time out");
1054 GetFromBigBuf(got
,sizeof(got
),0);
1055 WaitForResponse(CMD_ACK
,NULL
);
1056 setGraphBuf(got
, sizeof(got
));
1060 char * GetBitRateStr(uint32_t id
){
1061 static char buf
[25];
1066 snprintf(retStr
,sizeof(buf
),"%d - RF/8",id
);
1069 snprintf(retStr
,sizeof(buf
),"%d - RF/16",id
);
1072 snprintf(retStr
,sizeof(buf
),"%d - RF/32",id
);
1075 snprintf(retStr
,sizeof(buf
),"%d - RF/40",id
);
1078 snprintf(retStr
,sizeof(buf
),"%d - RF/50",id
);
1081 snprintf(retStr
,sizeof(buf
),"%d - RF/64",id
);
1084 snprintf(retStr
,sizeof(buf
),"%d - RF/100",id
);
1087 snprintf(retStr
,sizeof(buf
),"%d - RF/128",id
);
1090 snprintf(retStr
,sizeof(buf
),"%d - (Unknown)",id
);
1097 char * GetSaferStr(uint32_t id
){
1098 static char buf
[40];
1101 snprintf(retStr
,sizeof(buf
),"%d",id
);
1103 snprintf(retStr
,sizeof(buf
),"%d - passwd",id
);
1106 snprintf(retStr
,sizeof(buf
),"%d - testmode",id
);
1112 char * GetModulationStr( uint32_t id
){
1113 static char buf
[60];
1118 snprintf(retStr
,sizeof(buf
),"%d - DIRECT (ASK/NRZ)",id
);
1121 snprintf(retStr
,sizeof(buf
),"%d - PSK 1 phase change when input changes",id
);
1124 snprintf(retStr
,sizeof(buf
),"%d - PSK 2 phase change on bitclk if input high",id
);
1127 snprintf(retStr
,sizeof(buf
),"%d - PSK 3 phase change on rising edge of input",id
);
1130 snprintf(retStr
,sizeof(buf
),"%d - FSK 1 RF/8 RF/5",id
);
1133 snprintf(retStr
,sizeof(buf
),"%d - FSK 2 RF/8 RF/10",id
);
1136 snprintf(retStr
,sizeof(buf
),"%d - FSK 1a RF/5 RF/8",id
);
1139 snprintf(retStr
,sizeof(buf
),"%d - FSK 2a RF/10 RF/8",id
);
1142 snprintf(retStr
,sizeof(buf
),"%d - Manchester",id
);
1145 snprintf(retStr
,sizeof(buf
),"%d - Biphase",id
);
1148 snprintf(retStr
,sizeof(buf
),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id
);
1151 snprintf(retStr
,sizeof(buf
),"%d - Reserved",id
);
1154 snprintf(retStr
,sizeof(buf
),"0x%02X (Unknown)",id
);
1160 char * GetModelStrFromCID(uint32_t cid
){
1162 static char buf
[10];
1165 if (cid
== 1) snprintf(retStr
, sizeof(buf
),"ATA5577M1");
1166 if (cid
== 2) snprintf(retStr
, sizeof(buf
),"ATA5577M2");
1170 char * GetSelectedModulationStr( uint8_t id
){
1172 static char buf
[20];
1177 snprintf(retStr
,sizeof(buf
),"FSK");
1180 snprintf(retStr
,sizeof(buf
),"FSK1");
1183 snprintf(retStr
,sizeof(buf
),"FSK1a");
1186 snprintf(retStr
,sizeof(buf
),"FSK2");
1189 snprintf(retStr
,sizeof(buf
),"FSK2a");
1192 snprintf(retStr
,sizeof(buf
),"ASK");
1195 snprintf(retStr
,sizeof(buf
),"DIRECT/NRZ");
1198 snprintf(retStr
,sizeof(buf
),"PSK1");
1201 snprintf(retStr
,sizeof(buf
),"PSK2");
1204 snprintf(retStr
,sizeof(buf
),"PSK3");
1207 snprintf(retStr
,sizeof(buf
),"BIPHASE");
1210 snprintf(retStr
,sizeof(buf
),"BIPHASEa - (CDP)");
1213 snprintf(retStr
,sizeof(buf
),"(Unknown)");
1219 uint32_t PackBits(uint8_t start
, uint8_t len
, uint8_t* bits
){
1224 if (len
> 32) return 0;
1227 for (; j
>= 0; --j
, ++i
)
1228 tmp
|= bits
[i
] << j
;
1233 int CmdResetRead(const char *Cmd
) {
1234 UsbCommand c
= {CMD_T55XX_RESET_READ
, {0,0,0}};
1236 clearCommandBuffer();
1238 if ( !WaitForResponseTimeout(CMD_ACK
,NULL
,2500) ) {
1239 PrintAndLog("command execution time out");
1243 uint8_t got
[BIGBUF_SIZE
-1];
1244 GetFromBigBuf(got
,sizeof(got
),0);
1245 WaitForResponse(CMD_ACK
,NULL
);
1246 setGraphBuf(got
, sizeof(got
));
1250 int CmdT55xxWipe(const char *Cmd
) {
1251 char writeData
[20] = {0};
1252 char *ptrData
= writeData
;
1254 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1255 //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)
1256 snprintf(ptrData
,sizeof(writeData
),"b %d d 00088040 p 0", blk
);
1257 if (!CmdT55xxWriteBlock(ptrData
)){
1258 PrintAndLog("Error writing blk %d", blk
);
1261 for (; blk
<8; blk
++) {
1262 snprintf(ptrData
,sizeof(writeData
),"b %d d 0", blk
);
1263 if (!CmdT55xxWriteBlock(ptrData
)){
1264 PrintAndLog("Error writing blk %d", blk
);
1270 static command_t CommandTable
[] =
1272 {"help", CmdHelp
, 1, "This help"},
1273 {"config", CmdT55xxSetConfig
, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1274 {"detect", CmdT55xxDetect
, 0, "[1] Try detecting the tag modulation from reading the configuration block."},
1275 {"read", CmdT55xxReadBlock
, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1276 {"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)"},
1277 {"write", CmdT55xxWriteBlock
,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1278 {"trace", CmdT55xxReadTrace
, 0, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1279 {"info", CmdT55xxInfo
, 0, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1280 {"dump", CmdT55xxDump
, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1281 {"special", special
, 0, "Show block changes with 64 different offsets"},
1282 {"wakeup", CmdT55xxWakeUp
, 0, "Send AOR wakeup command"},
1283 {"wipe", CmdT55xxWipe
, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1284 {NULL
, NULL
, 0, NULL
}
1287 int CmdLFT55XX(const char *Cmd
)
1289 CmdsParse(CommandTable
, Cmd
);
1293 int CmdHelp(const char *Cmd
)
1295 CmdsHelp(CommandTable
);