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 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
35 // Default configuration
36 t55xx_conf_block_t config
= { .modulation
= DEMOD_ASK
, .inverted
= FALSE
, .offset
= 0x00, .block0
= 0x00};
38 t55xx_conf_block_t
Get_t55xx_Config(){
41 void Set_t55xx_Config(t55xx_conf_block_t conf
){
45 int usage_t55xx_config(){
46 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>]");
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");
54 PrintAndLog("Examples:");
55 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
56 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
57 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
61 int usage_t55xx_read(){
62 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
63 PrintAndLog("Options:");
64 PrintAndLog(" b <block> - block number to read. Between 0-7");
65 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
66 PrintAndLog(" o - OPTIONAL override safety check");
67 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
68 PrintAndLog(" ****WARNING****");
69 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
70 PrintAndLog(" can damage the tag");
72 PrintAndLog("Examples:");
73 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
74 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
75 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
79 int usage_t55xx_write(){
80 PrintAndLog("Usage: lf t55xx wr [b <block>] [d <data>] [p <password>] [1]");
81 PrintAndLog("Options:");
82 PrintAndLog(" b <block> - block number to write. Between 0-7");
83 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
84 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
85 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
87 PrintAndLog("Examples:");
88 PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");
89 PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
93 int usage_t55xx_trace() {
94 PrintAndLog("Usage: lf t55xx trace [1]");
95 PrintAndLog("Options:");
96 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
98 PrintAndLog("Examples:");
99 PrintAndLog(" lf t55xx trace");
100 PrintAndLog(" lf t55xx trace 1");
104 int usage_t55xx_info() {
105 PrintAndLog("Usage: lf t55xx info [1]");
106 PrintAndLog("Options:");
107 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
109 PrintAndLog("Examples:");
110 PrintAndLog(" lf t55xx info");
111 PrintAndLog(" lf t55xx info 1");
115 int usage_t55xx_dump(){
116 PrintAndLog("Usage: lf t55xx dump <password> [o]");
117 PrintAndLog("Options:");
118 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
119 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
121 PrintAndLog("Examples:");
122 PrintAndLog(" lf t55xx dump");
123 PrintAndLog(" lf t55xx dump feedbeef o");
127 int usage_t55xx_detect(){
128 PrintAndLog("Usage: lf t55xx detect [1]");
129 PrintAndLog("Options:");
130 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
132 PrintAndLog("Examples:");
133 PrintAndLog(" lf t55xx detect");
134 PrintAndLog(" lf t55xx detect 1");
138 int usage_t55xx_wakup(){
139 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
140 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
141 PrintAndLog("Options:");
142 PrintAndLog(" h - this help");
143 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
145 PrintAndLog("Examples:");
146 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
150 static int CmdHelp(const char *Cmd
);
152 int CmdT55xxSetConfig(const char *Cmd
) {
157 char modulation
[5] = {0x00};
160 uint8_t rates
[9] = {8,16,32,40,50,64,100,128,0};
161 while(param_getchar(Cmd
, cmdp
) != 0x00 && !errors
) {
162 tmp
= param_getchar(Cmd
, cmdp
);
167 return usage_t55xx_config();
169 errors
|= param_getdec(Cmd
, cmdp
+1, &bitRate
);
173 if (rates
[i
]==bitRate
) {
178 if (i
==9) errors
= TRUE
;
183 param_getstr(Cmd
, cmdp
+1, modulation
);
186 if ( strcmp(modulation
, "FSK" ) == 0) {
187 config
.modulation
= DEMOD_FSK
;
188 } else if ( strcmp(modulation
, "FSK1" ) == 0) {
189 config
.modulation
= DEMOD_FSK1
;
191 } else if ( strcmp(modulation
, "FSK1a" ) == 0) {
192 config
.modulation
= DEMOD_FSK1a
;
194 } else if ( strcmp(modulation
, "FSK2" ) == 0) {
195 config
.modulation
= DEMOD_FSK2
;
197 } else if ( strcmp(modulation
, "FSK2a" ) == 0) {
198 config
.modulation
= DEMOD_FSK2a
;
200 } else if ( strcmp(modulation
, "ASK" ) == 0) {
201 config
.modulation
= DEMOD_ASK
;
202 } else if ( strcmp(modulation
, "NRZ" ) == 0) {
203 config
.modulation
= DEMOD_NRZ
;
204 } else if ( strcmp(modulation
, "PSK1" ) == 0) {
205 config
.modulation
= DEMOD_PSK1
;
206 } else if ( strcmp(modulation
, "PSK2" ) == 0) {
207 config
.modulation
= DEMOD_PSK2
;
208 } else if ( strcmp(modulation
, "PSK3" ) == 0) {
209 config
.modulation
= DEMOD_PSK3
;
210 } else if ( strcmp(modulation
, "BIa" ) == 0) {
211 config
.modulation
= DEMOD_BIa
;
213 } else if ( strcmp(modulation
, "BI" ) == 0) {
214 config
.modulation
= DEMOD_BI
;
217 PrintAndLog("Unknown modulation '%s'", modulation
);
222 config
.inverted
= param_getchar(Cmd
,cmdp
+1) == '1';
226 errors
|= param_getdec(Cmd
, cmdp
+1, &offset
);
228 config
.offset
= offset
;
232 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
239 if (cmdp
== 0) return printConfiguration( config
);
242 if (errors
) return usage_t55xx_config();
245 return printConfiguration ( config
);
248 int T55xxReadBlock(uint8_t block
, bool page1
, bool usepwd
, bool override
, uint32_t password
){
251 // try reading the config block and verify that PWD bit is set before doing this!
254 if ( !AquireData(T55x7_PAGE0
, T55x7_CONFIGURATION_BLOCK
, false, 0 ) ) return 0;
256 if ( !tryDetectModulation() ) {
257 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
260 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
265 PrintAndLog("Safety Check Overriden - proceeding despite risk");
269 if (!AquireData(page1
, block
, usepwd
, password
) ) return 0;
270 if (!DecodeT55xxBlock()) return 0;
273 sprintf(blk
,"%d", block
);
274 printT55xxBlock(blk
);
278 int CmdT55xxReadBlock(const char *Cmd
) {
279 uint8_t block
= REGULAR_READ_MODE_BLOCK
;
280 uint32_t password
= 0; //default to blank Block 7
282 bool override
= false;
286 while(param_getchar(Cmd
, cmdp
) != 0x00 && !errors
) {
287 switch(param_getchar(Cmd
, cmdp
)) {
290 return usage_t55xx_read();
293 errors
|= param_getdec(Cmd
, cmdp
+1, &block
);
303 password
= param_get32ex(Cmd
, cmdp
+1, 0, 16);
312 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
317 if (errors
) return usage_t55xx_read();
319 if (block
> 7 && block
!= REGULAR_READ_MODE_BLOCK
) {
320 PrintAndLog("Block must be between 0 and 7");
323 PrintAndLog("Reading Page %d:", page1
);
324 PrintAndLog("blk | hex data | binary");
325 return T55xxReadBlock(block
, page1
, usepwd
, override
, password
);
328 bool DecodeT55xxBlock(){
330 char buf
[30] = {0x00};
333 uint8_t bitRate
[8] = {8,16,32,40,50,64,100,128};
334 DemodBufferLen
= 0x00;
336 switch( config
.modulation
){
338 snprintf(cmdStr
, sizeof(buf
),"%d %d", bitRate
[config
.bitrate
], config
.inverted
);
339 ans
= FSKrawDemod(cmdStr
, FALSE
);
343 snprintf(cmdStr
, sizeof(buf
),"%d %d 8 5", bitRate
[config
.bitrate
], config
.inverted
);
344 ans
= FSKrawDemod(cmdStr
, FALSE
);
348 snprintf(cmdStr
, sizeof(buf
),"%d %d 10 8", bitRate
[config
.bitrate
], config
.inverted
);
349 ans
= FSKrawDemod(cmdStr
, FALSE
);
352 snprintf(cmdStr
, sizeof(buf
),"%d %d 0", bitRate
[config
.bitrate
], config
.inverted
);
353 ans
= ASKDemod(cmdStr
, FALSE
, FALSE
, 1);
356 snprintf(cmdStr
, sizeof(buf
),"%d %d 0", bitRate
[config
.bitrate
], config
.inverted
);
357 ans
= PSKDemod(cmdStr
, FALSE
);
359 case DEMOD_PSK2
: //inverted won't affect this
360 case DEMOD_PSK3
: //not fully implemented
361 snprintf(cmdStr
, sizeof(buf
),"%d 0 1", bitRate
[config
.bitrate
] );
362 ans
= PSKDemod(cmdStr
, FALSE
);
363 psk1TOpsk2(DemodBuffer
, DemodBufferLen
);
366 snprintf(cmdStr
, sizeof(buf
),"%d %d 1", bitRate
[config
.bitrate
], config
.inverted
);
367 ans
= NRZrawDemod(cmdStr
, FALSE
);
371 snprintf(cmdStr
, sizeof(buf
),"0 %d %d 0", bitRate
[config
.bitrate
], config
.inverted
);
372 ans
= ASKbiphaseDemod(cmdStr
, FALSE
);
380 int CmdT55xxDetect(const char *Cmd
){
382 bool override
= false;
383 //bool pwdmode = false;
385 uint32_t password
= 0; //default to blank Block 7
386 bool usepwd
= ( strlen(Cmd
) > 0);
388 password
= param_get32ex(Cmd
, 0, 0, 16);
389 if (param_getchar(Cmd
, 1) =='o' )
393 char cmdp
= param_getchar(Cmd
, 0);
394 if (strlen(Cmd
) > 1 || cmdp
== 'h' || cmdp
== 'H') return usage_t55xx_detect();
396 if (strlen(Cmd
)==0) {
397 password
= param_get32ex(Cmd
, 0, 0, 16);
398 if (param_getchar(Cmd
, 1) =='o' ) override
= true;
401 if ( !AquireData(T55x7_PAGE0
, T55x7_CONFIGURATION_BLOCK
, usepwd
, password
) )
404 if ( !tryDetectModulation() )
405 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
410 // detect configuration?
411 bool tryDetectModulation(){
413 t55xx_conf_block_t tests
[15];
415 uint8_t fc1
= 0, fc2
= 0, clk
=0;
417 if (GetFskClock("", FALSE
, FALSE
)){
418 fskClocks(&fc1
, &fc2
, &clk
, FALSE
);
419 if ( FSKrawDemod("0 0", FALSE
) && test(DEMOD_FSK
, &tests
[hits
].offset
, &bitRate
)){
420 tests
[hits
].modulation
= DEMOD_FSK
;
421 if (fc1
==8 && fc2
== 5)
422 tests
[hits
].modulation
= DEMOD_FSK1a
;
423 else if (fc1
==10 && fc2
== 8)
424 tests
[hits
].modulation
= DEMOD_FSK2
;
425 tests
[hits
].bitrate
= bitRate
;
426 tests
[hits
].inverted
= FALSE
;
427 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
430 if ( FSKrawDemod("0 1", FALSE
) && test(DEMOD_FSK
, &tests
[hits
].offset
, &bitRate
)) {
431 tests
[hits
].modulation
= DEMOD_FSK
;
432 if (fc1
== 8 && fc2
== 5)
433 tests
[hits
].modulation
= DEMOD_FSK1
;
434 else if (fc1
== 10 && fc2
== 8)
435 tests
[hits
].modulation
= DEMOD_FSK2a
;
437 tests
[hits
].bitrate
= bitRate
;
438 tests
[hits
].inverted
= TRUE
;
439 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
443 clk
= GetAskClock("", FALSE
, FALSE
);
445 if ( ASKDemod("0 0 0", FALSE
, FALSE
, 1) && test(DEMOD_ASK
, &tests
[hits
].offset
, &bitRate
)) {
446 tests
[hits
].modulation
= DEMOD_ASK
;
447 tests
[hits
].bitrate
= bitRate
;
448 tests
[hits
].inverted
= FALSE
;
449 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
452 if ( ASKDemod("0 1 0", FALSE
, FALSE
, 1) && test(DEMOD_ASK
, &tests
[hits
].offset
, &bitRate
)) {
453 tests
[hits
].modulation
= DEMOD_ASK
;
454 tests
[hits
].bitrate
= bitRate
;
455 tests
[hits
].inverted
= TRUE
;
456 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
459 if ( ASKbiphaseDemod("0 0 0 0", FALSE
) && test(DEMOD_BI
, &tests
[hits
].offset
, &bitRate
) ) {
460 tests
[hits
].modulation
= DEMOD_BI
;
461 tests
[hits
].bitrate
= bitRate
;
462 tests
[hits
].inverted
= FALSE
;
463 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
466 if ( ASKbiphaseDemod("0 0 1 0", FALSE
) && test(DEMOD_BIa
, &tests
[hits
].offset
, &bitRate
) ) {
467 tests
[hits
].modulation
= DEMOD_BIa
;
468 tests
[hits
].bitrate
= bitRate
;
469 tests
[hits
].inverted
= TRUE
;
470 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
476 clk
= GetNrzClock("", FALSE
, FALSE
);
478 if ( NRZrawDemod("0 0 1", FALSE
) && test(DEMOD_NRZ
, &tests
[hits
].offset
, &bitRate
)) {
479 tests
[hits
].modulation
= DEMOD_NRZ
;
480 tests
[hits
].bitrate
= bitRate
;
481 tests
[hits
].inverted
= FALSE
;
482 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
486 if ( NRZrawDemod("0 1 1", FALSE
) && test(DEMOD_NRZ
, &tests
[hits
].offset
, &bitRate
)) {
487 tests
[hits
].modulation
= DEMOD_NRZ
;
488 tests
[hits
].bitrate
= bitRate
;
489 tests
[hits
].inverted
= TRUE
;
490 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
497 clk
= GetPskClock("", FALSE
, FALSE
);
499 if ( PSKDemod("0 0 1", FALSE
) && test(DEMOD_PSK1
, &tests
[hits
].offset
, &bitRate
)) {
500 tests
[hits
].modulation
= DEMOD_PSK1
;
501 tests
[hits
].bitrate
= bitRate
;
502 tests
[hits
].inverted
= FALSE
;
503 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
506 if ( PSKDemod("0 1 1", FALSE
) && test(DEMOD_PSK1
, &tests
[hits
].offset
, &bitRate
)) {
507 tests
[hits
].modulation
= DEMOD_PSK1
;
508 tests
[hits
].bitrate
= bitRate
;
509 tests
[hits
].inverted
= TRUE
;
510 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
513 // PSK2 - needs a call to psk1TOpsk2.
514 if ( PSKDemod("0 0 1", FALSE
)) {
515 psk1TOpsk2(DemodBuffer
, DemodBufferLen
);
516 if (test(DEMOD_PSK2
, &tests
[hits
].offset
, &bitRate
)){
517 tests
[hits
].modulation
= DEMOD_PSK2
;
518 tests
[hits
].bitrate
= bitRate
;
519 tests
[hits
].inverted
= FALSE
;
520 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
523 } // inverse waves does not affect this demod
524 // PSK3 - needs a call to psk1TOpsk2.
525 if ( PSKDemod("0 0 1", FALSE
)) {
526 psk1TOpsk2(DemodBuffer
, DemodBufferLen
);
527 if (test(DEMOD_PSK3
, &tests
[hits
].offset
, &bitRate
)){
528 tests
[hits
].modulation
= DEMOD_PSK3
;
529 tests
[hits
].bitrate
= bitRate
;
530 tests
[hits
].inverted
= FALSE
;
531 tests
[hits
].block0
= PackBits(tests
[hits
].offset
, 32, DemodBuffer
);
534 } // inverse waves does not affect this demod
538 config
.modulation
= tests
[0].modulation
;
539 config
.bitrate
= tests
[0].bitrate
;
540 config
.inverted
= tests
[0].inverted
;
541 config
.offset
= tests
[0].offset
;
542 config
.block0
= tests
[0].block0
;
543 printConfiguration( config
);
548 PrintAndLog("Found [%d] possible matches for modulation.",hits
);
549 for(int i
=0; i
<hits
; ++i
){
550 PrintAndLog("--[%d]---------------", i
+1);
551 printConfiguration( tests
[i
] );
557 bool testModulation(uint8_t mode
, uint8_t modread
){
560 if (modread
>= DEMOD_FSK1
&& modread
<= DEMOD_FSK2a
) return TRUE
;
563 if (modread
== DEMOD_ASK
) return TRUE
;
566 if (modread
== DEMOD_PSK1
) return TRUE
;
569 if (modread
== DEMOD_PSK2
) return TRUE
;
572 if (modread
== DEMOD_PSK3
) return TRUE
;
575 if (modread
== DEMOD_NRZ
) return TRUE
;
578 if (modread
== DEMOD_BI
) return TRUE
;
581 if (modread
== DEMOD_BIa
) return TRUE
;
589 bool testBitRate(uint8_t readRate
, uint8_t mod
){
590 uint8_t expected
[8] = {8, 16, 32, 40, 50, 64, 100, 128};
598 detRate
= GetFskClock("",FALSE
, FALSE
);
599 if (expected
[readRate
] == detRate
)
605 detRate
= GetAskClock("",FALSE
, FALSE
);
606 if (expected
[readRate
] == detRate
)
612 detRate
= GetPskClock("",FALSE
, FALSE
);
613 if (expected
[readRate
] == detRate
)
617 detRate
= GetNrzClock("",FALSE
, FALSE
);
618 if (expected
[readRate
] == detRate
)
627 bool test(uint8_t mode
, uint8_t *offset
, int *fndBitRate
){
629 if ( DemodBufferLen
< 64 ) return FALSE
;
631 for (uint8_t idx
= 0; idx
< 64; idx
++){
633 if ( PackBits(si
, 32, DemodBuffer
) == 0x00 ) continue;
635 uint8_t safer
= PackBits(si
, 4, DemodBuffer
); si
+= 4; //master key
636 uint8_t resv
= PackBits(si
, 4, DemodBuffer
); si
+= 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
637 // 2nibble must be zeroed.
638 // moved test to here, since this gets most faults first.
639 if ( resv
> 0x00) continue;
641 uint8_t xtRate
= PackBits(si
, 3, DemodBuffer
); si
+= 3; //extended mode part of rate
642 int bitRate
= PackBits(si
, 3, DemodBuffer
); si
+= 3; //bit rate
643 if (bitRate
> 7) continue;
644 uint8_t extend
= PackBits(si
, 1, DemodBuffer
); si
+= 1; //bit 15 extended mode
645 uint8_t modread
= PackBits(si
, 5, DemodBuffer
); si
+= 5+2+1;
646 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
647 uint8_t nml01
= PackBits(si
, 1, DemodBuffer
); si
+= 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
648 uint8_t nml02
= PackBits(si
, 2, DemodBuffer
); si
+= 2;
651 bool extMode
=( (safer
== 0x6 || safer
== 0x9) && extend
) ? TRUE
: FALSE
;
654 if (nml01
|| nml02
|| xtRate
) continue;
657 if (!testModulation(mode
, modread
)) continue;
658 if (!testBitRate(bitRate
, mode
)) continue;
659 *fndBitRate
= bitRate
;
666 void printT55xxBlock(const char *blockNum
){
668 uint8_t i
= config
.offset
;
669 uint8_t endpos
= 32 + i
;
670 uint32_t blockData
= 0;
671 uint8_t bits
[64] = {0x00};
673 if ( !DemodBufferLen
) return;
675 if ( endpos
> DemodBufferLen
){
676 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i
, DemodBufferLen
-32);
680 for (; i
< endpos
; ++i
)
681 bits
[i
- config
.offset
] = DemodBuffer
[i
];
683 blockData
= PackBits(0, 32, bits
);
684 PrintAndLog("%s | %08X | %s", blockNum
, blockData
, sprint_bin(bits
,32));
687 int special(const char *Cmd
) {
688 uint32_t blockData
= 0;
689 uint8_t bits
[32] = {0x00};
691 PrintAndLog("OFFSET | DATA | BINARY");
692 PrintAndLog("----------------------------------------------------");
696 for (i
= 0; i
< 32; ++i
)
697 bits
[i
]=DemodBuffer
[j
+i
];
699 blockData
= PackBits(0, 32, bits
);
701 PrintAndLog("%02d | 0x%08X | %s",j
, blockData
, sprint_bin(bits
,32));
706 int printConfiguration( t55xx_conf_block_t b
){
707 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b
.modulation
) );
708 PrintAndLog("Bit Rate : %s", GetBitRateStr(b
.bitrate
) );
709 PrintAndLog("Inverted : %s", (b
.inverted
) ? "Yes" : "No" );
710 PrintAndLog("Offset : %d", b
.offset
);
711 PrintAndLog("Block0 : 0x%08X", b
.block0
);
716 int CmdT55xxWakeUp(const char *Cmd
) {
717 uint32_t password
= 0;
720 while(param_getchar(Cmd
, cmdp
) != 0x00 && !errors
) {
721 switch(param_getchar(Cmd
, cmdp
)) {
724 return usage_t55xx_wakup();
727 password
= param_get32ex(Cmd
, cmdp
+1, 0, 16);
732 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
737 if (errors
) return usage_t55xx_wakup();
739 UsbCommand c
= {CMD_T55XX_WAKEUP
, {password
, 0, 0}};
740 clearCommandBuffer();
742 PrintAndLog("Wake up command sent. Try read now");
746 int CmdT55xxWriteBlock(const char *Cmd
) {
747 uint8_t block
= 0xFF; //default to invalid block
748 uint32_t data
= 0; //default to blank Block
749 uint32_t password
= 0; //default to blank Block 7
752 bool gotdata
= false;
755 while(param_getchar(Cmd
, cmdp
) != 0x00 && !errors
) {
756 switch(param_getchar(Cmd
, cmdp
)) {
759 return usage_t55xx_write();
762 errors
|= param_getdec(Cmd
, cmdp
+1, &block
);
767 data
= param_get32ex(Cmd
, cmdp
+1, 0, 16);
773 password
= param_get32ex(Cmd
, cmdp
+1, 0, 16);
782 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
787 if (errors
|| !gotdata
) return usage_t55xx_write();
790 PrintAndLog("Block number must be between 0 and 7");
794 UsbCommand c
= {CMD_T55XX_WRITE_BLOCK
, {data
, block
, 0}};
796 c
.d
.asBytes
[0] = (page1
) ? 0x2 : 0;
798 PrintAndLog("Writing to page: %d block: %d data : 0x%08X", page1
, block
, data
);
803 c
.d
.asBytes
[0] |= 0x1;
804 PrintAndLog("pwd : 0x%08X", password
);
806 clearCommandBuffer();
808 if (!WaitForResponseTimeout(CMD_ACK
, &resp
, 1000)){
809 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
815 int CmdT55xxReadTrace(const char *Cmd
) {
816 char cmdp
= param_getchar(Cmd
, 0);
817 bool pwdmode
= false;
818 uint32_t password
= 0;
819 if (strlen(Cmd
) > 1 || cmdp
== 'h' || cmdp
== 'H') return usage_t55xx_trace();
822 if ( !AquireData( T55x7_PAGE1
, REGULAR_READ_MODE_BLOCK
, pwdmode
, password
) )
825 if (!DecodeT55xxBlock()) return 0;
827 if ( !DemodBufferLen
) return 0;
829 RepaintGraphWindow();
831 if (config
.offset
> 5)
833 uint8_t si
= config
.offset
+repeat
;
834 uint32_t bl1
= PackBits(si
, 32, DemodBuffer
);
835 uint32_t bl2
= PackBits(si
+32, 32, DemodBuffer
);
837 uint32_t acl
= PackBits(si
, 8, DemodBuffer
); si
+= 8;
838 uint32_t mfc
= PackBits(si
, 8, DemodBuffer
); si
+= 8;
839 uint32_t cid
= PackBits(si
, 5, DemodBuffer
); si
+= 5;
840 uint32_t icr
= PackBits(si
, 3, DemodBuffer
); si
+= 3;
841 uint32_t year
= PackBits(si
, 4, DemodBuffer
); si
+= 4;
842 uint32_t quarter
= PackBits(si
, 2, DemodBuffer
); si
+= 2;
843 uint32_t lotid
= PackBits(si
, 14, DemodBuffer
); si
+= 14;
844 uint32_t wafer
= PackBits(si
, 5, DemodBuffer
); si
+= 5;
845 uint32_t dw
= PackBits(si
, 15, DemodBuffer
);
847 time_t t
= time(NULL
);
848 struct tm tm
= *localtime(&t
);
849 if ( year
> tm
.tm_year
-110)
855 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
860 PrintAndLog("-- T55xx Trace Information ----------------------------------");
861 PrintAndLog("-------------------------------------------------------------");
862 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl
, acl
);
863 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc
, mfc
, getTagInfo(mfc
));
864 PrintAndLog(" CID : 0x%02X (%d) - %s", cid
, cid
, GetModelStrFromCID(cid
));
865 PrintAndLog(" ICR IC Revision : %d",icr
);
866 PrintAndLog(" Manufactured");
867 PrintAndLog(" Year/Quarter : %d/%d",year
, quarter
);
868 PrintAndLog(" Lot ID : %d", lotid
);
869 PrintAndLog(" Wafer number : %d", wafer
);
870 PrintAndLog(" Die Number : %d", dw
);
871 PrintAndLog("-------------------------------------------------------------");
872 PrintAndLog(" Raw Data - Page 1");
873 PrintAndLog(" Block 1 : 0x%08X %s", bl1
, sprint_bin(DemodBuffer
+config
.offset
+repeat
,32) );
874 PrintAndLog(" Block 2 : 0x%08X %s", bl2
, sprint_bin(DemodBuffer
+config
.offset
+repeat
+32,32) );
875 PrintAndLog("-------------------------------------------------------------");
880 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
881 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
882 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
883 22-24 ICR IC revision
884 25-28 YEAR (BCD encoded) 9 (= 2009)
885 29-30 QUARTER 1,2,3,4
891 18-32 DW, die number sequential
897 int CmdT55xxInfo(const char *Cmd
){
899 Page 0 Block 0 Configuration data.
903 bool pwdmode
= false;
904 uint32_t password
= 0;
905 char cmdp
= param_getchar(Cmd
, 0);
907 if (strlen(Cmd
) > 1 || cmdp
== 'h' || cmdp
== 'H') return usage_t55xx_info();
910 if ( !AquireData( T55x7_PAGE0
, T55x7_CONFIGURATION_BLOCK
, pwdmode
, password
) )
913 if (!DecodeT55xxBlock()) return 1;
915 if ( DemodBufferLen
< 32) return 1;
917 uint8_t si
= config
.offset
;
918 uint32_t bl0
= PackBits(si
, 32, DemodBuffer
);
920 uint32_t safer
= PackBits(si
, 4, DemodBuffer
); si
+= 4;
921 uint32_t resv
= PackBits(si
, 7, DemodBuffer
); si
+= 7;
922 uint32_t dbr
= PackBits(si
, 3, DemodBuffer
); si
+= 3;
923 uint32_t extend
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
924 uint32_t datamod
= PackBits(si
, 5, DemodBuffer
); si
+= 5;
925 uint32_t pskcf
= PackBits(si
, 2, DemodBuffer
); si
+= 2;
926 uint32_t aor
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
927 uint32_t otp
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
928 uint32_t maxblk
= PackBits(si
, 3, DemodBuffer
); si
+= 3;
929 uint32_t pwd
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
930 uint32_t sst
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
931 uint32_t fw
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
932 uint32_t inv
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
933 uint32_t por
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
936 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
937 PrintAndLog("-------------------------------------------------------------");
938 PrintAndLog(" Safer key : %s", GetSaferStr(safer
));
939 PrintAndLog(" reserved : %d", resv
);
940 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr
));
941 PrintAndLog(" eXtended mode : %s", (extend
) ? "Yes - Warning":"No");
942 PrintAndLog(" Modulation : %s", GetModulationStr(datamod
));
943 PrintAndLog(" PSK clock frequency : %d", pskcf
);
944 PrintAndLog(" AOR - Answer on Request : %s", (aor
) ? "Yes":"No");
945 PrintAndLog(" OTP - One Time Pad : %s", (otp
) ? "Yes - Warning":"No" );
946 PrintAndLog(" Max block : %d", maxblk
);
947 PrintAndLog(" Password mode : %s", (pwd
) ? "Yes":"No");
948 PrintAndLog(" Sequence Start Terminator : %s", (sst
) ? "Yes":"No");
949 PrintAndLog(" Fast Write : %s", (fw
) ? "Yes":"No");
950 PrintAndLog(" Inverse data : %s", (inv
) ? "Yes":"No");
951 PrintAndLog(" POR-Delay : %s", (por
) ? "Yes":"No");
952 PrintAndLog("-------------------------------------------------------------");
953 PrintAndLog(" Raw Data - Page 0");
954 PrintAndLog(" Block 0 : 0x%08X %s", bl0
, sprint_bin(DemodBuffer
+config
.offset
,32) );
955 PrintAndLog("-------------------------------------------------------------");
960 int CmdT55xxDump(const char *Cmd
){
962 uint32_t password
= 0;
963 bool override
= false;
964 char cmdp
= param_getchar(Cmd
, 0);
965 if ( cmdp
== 'h' || cmdp
== 'H') return usage_t55xx_dump();
967 bool usepwd
= ( strlen(Cmd
) > 0);
969 password
= param_get32ex(Cmd
, 0, 0, 16);
970 if (param_getchar(Cmd
, 1) =='o' )
974 PrintAndLog("Reading Page 0:");
975 PrintAndLog("blk | hex data | binary");
976 for ( uint8_t i
= 0; i
< 8; ++i
){
977 T55xxReadBlock(i
, 0, usepwd
, override
, password
);
979 PrintAndLog("Reading Page 1:");
980 PrintAndLog("blk | hex data | binary");
981 for ( uint8_t i
= 0; i
< 4; i
++){
982 T55xxReadBlock(i
, 1, usepwd
, override
, password
);
987 int AquireData( uint8_t page
, uint8_t block
, bool pwdmode
, uint32_t password
){
990 // bit1 = page to read from
991 uint8_t arg0
= (page
<<1) | pwdmode
;
992 UsbCommand c
= {CMD_T55XX_READ_BLOCK
, {arg0
, block
, password
}};
994 clearCommandBuffer();
996 if ( !WaitForResponseTimeout(CMD_ACK
,NULL
,2500) ) {
997 PrintAndLog("command execution time out");
1002 GetFromBigBuf(got
,sizeof(got
),0);
1003 WaitForResponse(CMD_ACK
,NULL
);
1004 setGraphBuf(got
, sizeof(got
));
1008 char * GetBitRateStr(uint32_t id
){
1009 static char buf
[25];
1014 snprintf(retStr
,sizeof(buf
),"%d - RF/8",id
);
1017 snprintf(retStr
,sizeof(buf
),"%d - RF/16",id
);
1020 snprintf(retStr
,sizeof(buf
),"%d - RF/32",id
);
1023 snprintf(retStr
,sizeof(buf
),"%d - RF/40",id
);
1026 snprintf(retStr
,sizeof(buf
),"%d - RF/50",id
);
1029 snprintf(retStr
,sizeof(buf
),"%d - RF/64",id
);
1032 snprintf(retStr
,sizeof(buf
),"%d - RF/100",id
);
1035 snprintf(retStr
,sizeof(buf
),"%d - RF/128",id
);
1038 snprintf(retStr
,sizeof(buf
),"%d - (Unknown)",id
);
1045 char * GetSaferStr(uint32_t id
){
1046 static char buf
[40];
1049 snprintf(retStr
,sizeof(buf
),"%d",id
);
1051 snprintf(retStr
,sizeof(buf
),"%d - passwd",id
);
1054 snprintf(retStr
,sizeof(buf
),"%d - testmode",id
);
1060 char * GetModulationStr( uint32_t id
){
1061 static char buf
[60];
1066 snprintf(retStr
,sizeof(buf
),"%d - DIRECT (ASK/NRZ)",id
);
1069 snprintf(retStr
,sizeof(buf
),"%d - PSK 1 phase change when input changes",id
);
1072 snprintf(retStr
,sizeof(buf
),"%d - PSK 2 phase change on bitclk if input high",id
);
1075 snprintf(retStr
,sizeof(buf
),"%d - PSK 3 phase change on rising edge of input",id
);
1078 snprintf(retStr
,sizeof(buf
),"%d - FSK 1 RF/8 RF/5",id
);
1081 snprintf(retStr
,sizeof(buf
),"%d - FSK 2 RF/8 RF/10",id
);
1084 snprintf(retStr
,sizeof(buf
),"%d - FSK 1a RF/5 RF/8",id
);
1087 snprintf(retStr
,sizeof(buf
),"%d - FSK 2a RF/10 RF/8",id
);
1090 snprintf(retStr
,sizeof(buf
),"%d - Manchester",id
);
1093 snprintf(retStr
,sizeof(buf
),"%d - Biphase",id
);
1096 snprintf(retStr
,sizeof(buf
),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id
);
1099 snprintf(retStr
,sizeof(buf
),"%d - Reserved",id
);
1102 snprintf(retStr
,sizeof(buf
),"0x%02X (Unknown)",id
);
1108 char * GetModelStrFromCID(uint32_t cid
){
1110 static char buf
[10];
1113 if (cid
== 1) snprintf(retStr
, sizeof(buf
),"ATA5577M1");
1114 if (cid
== 2) snprintf(retStr
, sizeof(buf
),"ATA5577M2");
1118 char * GetSelectedModulationStr( uint8_t id
){
1120 static char buf
[20];
1125 snprintf(retStr
,sizeof(buf
),"FSK");
1128 snprintf(retStr
,sizeof(buf
),"FSK1");
1131 snprintf(retStr
,sizeof(buf
),"FSK1a");
1134 snprintf(retStr
,sizeof(buf
),"FSK2");
1137 snprintf(retStr
,sizeof(buf
),"FSK2a");
1140 snprintf(retStr
,sizeof(buf
),"ASK");
1143 snprintf(retStr
,sizeof(buf
),"DIRECT/NRZ");
1146 snprintf(retStr
,sizeof(buf
),"PSK1");
1149 snprintf(retStr
,sizeof(buf
),"PSK2");
1152 snprintf(retStr
,sizeof(buf
),"PSK3");
1155 snprintf(retStr
,sizeof(buf
),"BIPHASE");
1158 snprintf(retStr
,sizeof(buf
),"BIPHASEa - (CDP)");
1161 snprintf(retStr
,sizeof(buf
),"(Unknown)");
1167 void t55x7_create_config_block( int tagtype
){
1174 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
1179 if (len > 32) return 0;
1182 for (; j >= 0; --j, ++i)
1183 tmp |= bits[i] << j;
1189 int CmdResetRead(const char *Cmd
) {
1190 UsbCommand c
= {CMD_T55XX_RESET_READ
, {0,0,0}};
1192 clearCommandBuffer();
1194 if ( !WaitForResponseTimeout(CMD_ACK
,NULL
,2500) ) {
1195 PrintAndLog("command execution time out");
1199 uint8_t got
[BIGBUF_SIZE
-1];
1200 GetFromBigBuf(got
,sizeof(got
),0);
1201 WaitForResponse(CMD_ACK
,NULL
);
1202 setGraphBuf(got
, sizeof(got
));
1206 static command_t CommandTable
[] =
1208 {"help", CmdHelp
, 1, "This help"},
1209 {"config", CmdT55xxSetConfig
, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1210 {"detect", CmdT55xxDetect
, 0, "[1] Try detecting the tag modulation from reading the configuration block."},
1211 {"read", CmdT55xxReadBlock
, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1212 {"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)"},
1213 {"write", CmdT55xxWriteBlock
,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1214 {"trace", CmdT55xxReadTrace
, 0, "[1] Show T55xx traceability data (page 1/ blk 0-1)"},
1215 {"info", CmdT55xxInfo
, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"},
1216 {"dump", CmdT55xxDump
, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1217 {"special", special
, 0, "Show block changes with 64 different offsets"},
1218 {"wakeup", CmdT55xxWakeUp
, 0, "Send AOR wakeup command"},
1219 {NULL
, NULL
, 0, NULL
}
1222 int CmdLFT55XX(const char *Cmd
)
1224 CmdsParse(CommandTable
, Cmd
);
1228 int CmdHelp(const char *Cmd
)
1230 CmdsHelp(CommandTable
);