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 //-----------------------------------------------------------------------------
13 #include "proxmark3.h"
17 #include "cmdparser.h"
20 #include "cmdlft55xx.h"
24 #include "../common/crc.h"
26 #define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..)
27 #define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend.. 8block * 4 bytes * 8bits =
39 // Default configuration: FSK, not inversed.
40 t55xx_conf_block_t config
= { .modulation
= 2, .inversed
= FALSE
, .block0
= 0x00};
42 int usage_t55xx_config(){
43 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1]");
44 PrintAndLog("Options: ");
45 PrintAndLog(" h This help");
46 PrintAndLog(" d <FSK|ASK|PSK|NZ|BI> Set demodulation FSK / ASK / PSK / NZ / Biphase");
47 PrintAndLog(" i [1] Inverse data signal, defaults to normal");
49 PrintAndLog("Examples:");
50 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
51 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
55 int usage_t55xx_read(){
56 PrintAndLog("Usage: lf t55xx read <block> <password>");
57 PrintAndLog(" <block>, block number to read. Between 0-7");
58 PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");
60 PrintAndLog("Examples:");
61 PrintAndLog(" lf t55xx read 0 - read data from block 0");
62 PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");
66 int usage_t55xx_write(){
67 PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");
68 PrintAndLog(" <block>, block number to read. Between 0-7");
69 PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");
70 PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");
72 PrintAndLog("Examples:");
73 PrintAndLog(" lf t55xx wd 3 11223344 - write 11223344 to block 3");
74 PrintAndLog(" lf t55xx wd 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");
78 int usage_t55xx_trace() {
79 PrintAndLog("Usage: lf t55xx trace [1]");
80 PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
82 PrintAndLog("Examples:");
83 PrintAndLog(" lf t55xx trace");
84 PrintAndLog(" lf t55xx trace 1");
88 int usage_t55xx_info() {
89 PrintAndLog("Usage: lf t55xx info [1]");
90 PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
92 PrintAndLog("Examples:");
93 PrintAndLog(" lf t55xx info");
94 PrintAndLog(" lf t55xx info 1");
98 int usage_t55xx_dump(){
99 PrintAndLog("Usage: lf t55xx dump <password>");
100 PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex symbols)");
102 PrintAndLog("Examples:");
103 PrintAndLog(" lf t55xx dump");
104 PrintAndLog(" lf t55xx dump feedbeef");
108 int usage_t55xx_detect(){
109 PrintAndLog("Usage: lf t55xx detect");
111 PrintAndLog("Examples:");
112 PrintAndLog(" lf t55xx detect");
113 PrintAndLog(" lf t55xx detect 1");
118 static int CmdHelp(const char *Cmd
);
120 int CmdT55xxSetConfig(const char *Cmd
){
126 char modulation
[4] = {0x00};
128 while(param_getchar(Cmd
, cmdp
) != 0x00 && !errors
)
130 switch(param_getchar(Cmd
, cmdp
))
134 return usage_t55xx_config();
136 len
= param_getstr(Cmd
, cmdp
+1, modulation
);
139 if ( strcmp(modulation
, "FSK" ) == 0)
141 else if ( strcmp(modulation
, "ASK" ) == 0)
143 else if ( strcmp(modulation
, "PSK" ) == 0)
145 else if ( strcmp(modulation
, "NZ" ) == 0)
147 else if ( strcmp(modulation
, "BI" ) == 0)
150 PrintAndLog("Unknown modulation '%s'", modulation
);
155 inverse
= param_getchar(Cmd
,cmdp
+1) == '1';
159 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
166 PrintAndLog("Modulation: %d", config
.modulation
);
167 PrintAndLog("Invert : %d", config
.inversed
);
168 PrintAndLog("Block0 : %08X", config
.block0
);
173 return usage_t55xx_config();
175 config
.modulation
= len
;
176 config
.inversed
= inverse
;
181 int CmdT55xxReadBlock(const char *Cmd
)
184 int password
= 0xFFFFFFFF; //default to blank Block 7
186 char cmdp
= param_getchar(Cmd
, 0);
187 if (cmdp
== 'h' || cmdp
== 'H')
188 return usage_t55xx_read();
190 int res
= sscanf(Cmd
, "%d %x", &block
, &password
);
192 if ( res
< 1 || res
> 2 ){
197 if ((block
< 0) | (block
> 7)) {
198 PrintAndLog("Block must be between 0 and 7");
202 UsbCommand c
= {CMD_T55XX_READ_BLOCK
, {0, block
, 0}};
203 c
.d
.asBytes
[0] = 0x0;
208 c
.d
.asBytes
[0] = 0x1;
212 if ( !WaitForResponseTimeout(CMD_ACK
,NULL
,2500) ) {
213 PrintAndLog("command execution time out");
218 GetFromBigBuf(got
,sizeof(got
),0);
219 WaitForResponse(CMD_ACK
,NULL
);
220 setGraphBuf(got
, 12000);
229 void DecodeT55xxBlock(){
231 char buf
[6] = {0x00};
234 // use the configuration
235 switch( config
.modulation
){
237 sprintf(cmdStr
,"0 %d", config
.inversed
);
238 FSKrawDemod(cmdStr
, FALSE
);
241 sprintf(cmdStr
,"0 %d 1", config
.inversed
);
242 ASKmanDemod(cmdStr
, FALSE
, FALSE
);
246 sprintf(cmdStr
,"0 %d 1", config
.inversed
);
247 PSKDemod(cmdStr
, FALSE
);
250 sprintf(cmdStr
,"0 %d 1", config
.inversed
);
251 NRZrawDemod(cmdStr
, FALSE
);
254 //BiphaseRawDecode("0",FALSE);
261 int CmdT55xxDetect(const char *Cmd
){
262 char cmdp
= param_getchar(Cmd
, 0);
263 if (cmdp
== 'h' || cmdp
== 'H')
264 return usage_t55xx_detect();
266 // read block 0, Page 0. Configuration.
267 UsbCommand c
= {CMD_T55XX_READ_BLOCK
, {0, 0, 0}};
268 c
.d
.asBytes
[0] = 0x0;
272 // c.arg[2] = password;
273 // c.d.asBytes[0] = 0x1;
277 if ( !WaitForResponseTimeout(CMD_ACK
,NULL
,2500) ) {
278 PrintAndLog("command execution time out");
283 GetFromBigBuf(got
,sizeof(got
),0);
284 WaitForResponse(CMD_ACK
,NULL
);
285 setGraphBuf(got
, 12000);
287 tryDetectModulation();
291 // detect configuration?
292 bool tryDetectModulation(){
296 //IF true, the wave is almost certainly FSK
297 if (GetFskClock("", FALSE
, FALSE
)){
299 if ( FSKrawDemod("0 0", FALSE
) && test()){
300 printT55xxBlock("FSK");
303 if ( FSKrawDemod("0 1", FALSE
) && test()) {
304 printT55xxBlock("FSK inv");
308 if ( ASKmanDemod("0 0 1", FALSE
, FALSE
) && test()) {
309 printT55xxBlock("ASK/MAN");
313 if ( ASKmanDemod("0 1 1", FALSE
, FALSE
) && test()) {
314 printT55xxBlock("ASK/MAN Inv");
318 if ( NRZrawDemod("0 0 1", FALSE
) && test()) {
319 printT55xxBlock("NZR");
323 if ( NRZrawDemod("0 1 1", FALSE
) && test()) {
324 printT55xxBlock("NZR inv");
328 if ( PSKDemod("0 0 1", FALSE
) && test()) {
329 printT55xxBlock("PSK");
333 if ( PSKDemod("0 1 1", FALSE
) && test()) {
334 printT55xxBlock("PSK inv");
338 // if (!BiphaseRawDecode("0",FALSE) && test()) {
339 // printT55xx("BIPHASE");
341 // if (!BiphaseRawDecode("1",FALSE) && test()) {
342 // printT55xx("BIPHASE inv");
349 PrintAndLog("Found [%d] possible matches for modulation.",hits
);
356 if ( !DemodBufferLen
)
360 uint8_t safer
= PackBits(si
, 4, DemodBuffer
); si
+= 4;
361 uint8_t resv
= PackBits(si
, 7, DemodBuffer
); si
+= 7+3;
362 uint8_t extend
= PackBits(si
, 1, DemodBuffer
); si
+= 1;
364 //PrintAndLog("test: %X %X %X ", safer, resv, extend);
366 // 2nibble must be zeroed.
367 if ( resv
> 0x00) return FALSE
;
369 if ( safer
== 0x6 || safer
== 0x9){
373 if ( resv
== 0x00) return TRUE
;
377 void printT55xxBlock(const char *demodStr
){
379 uint32_t blockData
= 0;
380 uint8_t bits
[MAX_GRAPH_TRACE_LEN
] = {0x00};
382 if ( !DemodBufferLen
)
386 for (;i
<DemodBufferLen
;++i
)
387 bits
[i
]=DemodBuffer
[i
];
389 blockData
= PackBits(1, 32, bits
);
390 PrintAndLog("0x%08X %s [%s]", blockData
, sprint_bin(bits
+1,32), demodStr
);
395 size = fskdemod(dest, size, 32, 0, 8, 10); // fsk1 RF/32
396 size = fskdemod(dest, size, 32, 1, 8, 10); // fsk1a RF/32
399 size = fskdemod(dest, size, 32, 0, 10, 8); // fsk2 RF/32
400 size = fskdemod(dest, size, 32, 1, 10, 8); // fsk2a RF/32
401 size = fskdemod(dest, size, 50, 1, 10, 8); // fsk2a RF/50
402 size = fskdemod(dest, size, 64, 1, 10, 8); // FSK2a RF/64
405 errCnt = pskRawDemod(bits, &bitlen, 32, 0);
407 int CmdT55xxWriteBlock(const char *Cmd
)
409 int block
= 8; //default to invalid block
410 int data
= 0xFFFFFFFF; //default to blank Block
411 int password
= 0xFFFFFFFF; //default to blank Block 7
413 char cmdp
= param_getchar(Cmd
, 0);
414 if (cmdp
== 'h' || cmdp
== 'H') {
419 int res
= sscanf(Cmd
, "%d %x %x",&block
, &data
, &password
);
421 if ( res
< 2 || res
> 3) {
427 PrintAndLog("Block must be between 0 and 7");
431 UsbCommand c
= {CMD_T55XX_WRITE_BLOCK
, {data
, block
, 0}};
432 c
.d
.asBytes
[0] = 0x0;
434 PrintAndLog("Writing to T55x7");
435 PrintAndLog("block : %d", block
);
436 PrintAndLog("data : 0x%08X", data
);
441 c
.d
.asBytes
[0] = 0x1;
442 PrintAndLog("pwd : 0x%08X", password
);
448 int CmdT55xxReadTrace(const char *Cmd
)
450 uint8_t bits
[MAX_GRAPH_TRACE_LEN
] = {0x00};
452 char cmdp
= param_getchar(Cmd
, 0);
454 if (strlen(Cmd
) > 1 || cmdp
== 'h' || cmdp
== 'H') {
459 if ( strlen(Cmd
)==0){
461 UsbCommand c
= {CMD_T55XX_READ_TRACE
, {0, 0, 0}};
463 if ( !WaitForResponseTimeout(CMD_ACK
,NULL
,2500) ) {
464 PrintAndLog("command execution time out");
468 //CmdSamples("12000");
471 size_t bitlen
= getFromGraphBuf(bits
);
475 RepaintGraphWindow();
478 uint32_t bl0
= PackBits(si
, 32, bits
);
479 uint32_t bl1
= PackBits(si
+32, 32, bits
);
481 uint32_t acl
= PackBits(si
, 8, bits
); si
+= 8;
482 uint32_t mfc
= PackBits(si
, 8, bits
); si
+= 8;
483 uint32_t cid
= PackBits(si
, 5, bits
); si
+= 5;
484 uint32_t icr
= PackBits(si
, 3, bits
); si
+= 3;
485 uint32_t year
= PackBits(si
, 4, bits
); si
+= 4;
486 uint32_t quarter
= PackBits(si
, 2, bits
); si
+= 2;
487 uint32_t lotid
= PackBits(si
, 12, bits
); si
+= 12;
488 uint32_t wafer
= PackBits(si
, 5, bits
); si
+= 5;
489 uint32_t dw
= PackBits(si
, 15, bits
);
492 PrintAndLog("-- T55xx Trace Information ----------------------------------");
493 PrintAndLog("-------------------------------------------------------------");
494 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl
, acl
);
495 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d)", mfc
, mfc
);
496 PrintAndLog(" CID : 0x%02X (%d)", cid
, cid
);
497 PrintAndLog(" ICR IC Revision : %d",icr
);
498 PrintAndLog(" Manufactured");
499 PrintAndLog(" Year/Quarter : %d/%d",2000+year
, quarter
);
500 PrintAndLog(" Lot ID : %d", lotid
);
501 PrintAndLog(" Wafer number : %d", wafer
);
502 PrintAndLog(" Die Number : %d", dw
);
503 PrintAndLog("-------------------------------------------------------------");
504 PrintAndLog(" Raw Data - Page 1");
505 PrintAndLog(" Block 0 : 0x%08X %s", bl0
, sprint_bin(bits
+5,32) );
506 PrintAndLog(" Block 0 : 0x%08X %s", bl1
, sprint_bin(bits
+37,32) );
507 PrintAndLog("-------------------------------------------------------------");
511 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
512 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
513 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
514 22-24 ICR IC revision
515 25-28 YEAR (BCD encoded) 9 (= 2009)
516 29-30 QUARTER 1,2,3,4
522 18-32 DW, die number sequential
528 int CmdT55xxInfo(const char *Cmd
){
530 Page 0 Block 0 Configuration data.
534 char cmdp
= param_getchar(Cmd
, 0);
536 if (cmdp
== 'h' || cmdp
== 'H') {
537 return usage_t55xx_info();
539 CmdT55xxReadBlock("0");
544 uint8_t bits
[LF_BITSSTREAM_LEN
] = {0x00};
547 uint32_t bl0
= PackBits(si
, 32, bits
);
549 uint32_t safer
= PackBits(si
, 4, bits
); si
+= 4;
550 uint32_t resv
= PackBits(si
, 7, bits
); si
+= 7;
551 uint32_t dbr
= PackBits(si
, 3, bits
); si
+= 3;
552 uint32_t extend
= PackBits(si
, 1, bits
); si
+= 1;
553 uint32_t datamod
= PackBits(si
, 5, bits
); si
+= 5;
554 uint32_t pskcf
= PackBits(si
, 2, bits
); si
+= 2;
555 uint32_t aor
= PackBits(si
, 1, bits
); si
+= 1;
556 uint32_t otp
= PackBits(si
, 1, bits
); si
+= 1;
557 uint32_t maxblk
= PackBits(si
, 3, bits
); si
+= 3;
558 uint32_t pwd
= PackBits(si
, 1, bits
); si
+= 1;
559 uint32_t sst
= PackBits(si
, 1, bits
); si
+= 1;
560 uint32_t fw
= PackBits(si
, 1, bits
); si
+= 1;
561 uint32_t inv
= PackBits(si
, 1, bits
); si
+= 1;
562 uint32_t por
= PackBits(si
, 1, bits
); si
+= 1;
565 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
566 PrintAndLog("-------------------------------------------------------------");
567 PrintAndLog(" Safer key : %s", GetSaferStr(safer
));
568 PrintAndLog(" reserved : %d", resv
);
569 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr
));
570 PrintAndLog(" eXtended mode : %s", (extend
) ? "Yes - Warning":"No");
571 PrintAndLog(" Modulation : %s", GetModulationStr(datamod
));
572 PrintAndLog(" PSK clock freq : %d", pskcf
);
573 PrintAndLog(" AOR - Answer on Request : %s", (aor
) ? "Yes":"No");
574 PrintAndLog(" OTP - One Time Pad : %s", (otp
) ? "Yes - Warning":"No" );
575 PrintAndLog(" Max block : %d", maxblk
);
576 PrintAndLog(" Password mode : %s", (pwd
) ? "Yes":"No");
577 PrintAndLog(" Sequence Start Terminator : %s", (sst
) ? "Yes":"No");
578 PrintAndLog(" Fast Write : %s", (fw
) ? "Yes":"No");
579 PrintAndLog(" Inverse data : %s", (inv
) ? "Yes":"No");
580 PrintAndLog(" POR-Delay : %s", (por
) ? "Yes":"No");
581 PrintAndLog("-------------------------------------------------------------");
582 PrintAndLog(" Raw Data - Page 0");
583 PrintAndLog(" Block 0 : 0x%08X %s", bl0
, sprint_bin(bits
+5,32) );
584 PrintAndLog("-------------------------------------------------------------");
589 int CmdT55xxDump(const char *Cmd
){
592 uint8_t pwd
[4] = {0x00};
594 char cmdp
= param_getchar(Cmd
, 0);
595 if ( cmdp
== 'h' || cmdp
== 'H') {
600 bool hasPwd
= ( strlen(Cmd
) > 0);
602 if (param_gethex(Cmd
, 0, pwd
, 8)) {
603 PrintAndLog("password must include 8 HEX symbols");
608 for ( int i
= 0; i
<8; ++i
){
609 memset(s
,0,sizeof(s
));
611 sprintf(s
,"%d %02x%02x%02x%02x", i
, pwd
[0],pwd
[1],pwd
[2],pwd
[3]);
615 CmdT55xxReadBlock(s
);
620 char * GetBitRateStr(uint32_t id
){
625 sprintf(retStr
,"%d - RF/8",id
);
628 sprintf(retStr
,"%d - RF/16",id
);
631 sprintf(retStr
,"%d - RF/32",id
);
634 sprintf(retStr
,"%d - RF/40",id
);
637 sprintf(retStr
,"%d - RF/50",id
);
640 sprintf(retStr
,"%d - RF/64",id
);
643 sprintf(retStr
,"%d - RF/100",id
);
646 sprintf(retStr
,"%d - RF/128",id
);
649 sprintf(retStr
,"%d - (Unknown)",id
);
656 char * GetSaferStr(uint32_t id
){
660 sprintf(retStr
,"%d",id
);
662 sprintf(retStr
,"%d - passwd",id
);
665 sprintf(retStr
,"%d - testmode",id
);
670 char * GetModulationStr( uint32_t id
){
676 sprintf(retStr
,"%d - DIRECT (ASK/NRZ)",id
);
679 sprintf(retStr
,"%d - PSK 1 phase change when input changes",id
);
682 sprintf(retStr
,"%d - PSK 2 phase change on bitclk if input high",id
);
685 sprintf(retStr
,"%d - PSK 3 phase change on rising edge of input",id
);
688 sprintf(retStr
,"%d - FSK 1 RF/8 RF/5",id
);
691 sprintf(retStr
,"%d - FSK 2 RF/8 RF/10",id
);
694 sprintf(retStr
,"%d - FSK 1a RF/5 RF/8",id
);
697 sprintf(retStr
,"%d - FSK 2a RF/10 RF/8",id
);
700 sprintf(retStr
,"%d - Manschester",id
);
703 sprintf(retStr
,"%d - Biphase",id
);
706 sprintf(retStr
,"%d - Reserved",id
);
709 sprintf(retStr
,"0x%02X (Unknown)",id
);
715 uint32_t PackBits(uint8_t start
, uint8_t len
, uint8_t* bits
){
723 for (; j
>= 0; --j
, ++i
){
729 static command_t CommandTable
[] =
731 {"help", CmdHelp
, 1, "This help"},
732 {"config", CmdT55xxSetConfig
, 1, "Set T55XX config for modulation, inversed data"},
733 {"detect", CmdT55xxDetect
, 0, "Try detecting the tag modulation from reading the configuration block."},
734 {"read", CmdT55xxReadBlock
, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},
735 {"write", CmdT55xxWriteBlock
,0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},
736 {"trace", CmdT55xxReadTrace
, 0, "[1] Show T55xx traceability data (page 1/ blk 0-1)"},
737 {"info", CmdT55xxInfo
, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"},
738 {"dump", CmdT55xxDump
, 0, "[password] Dump T55xx card block 0-7. [optional password]"},
739 {NULL
, NULL
, 0, NULL
}
742 int CmdLFT55XX(const char *Cmd
)
744 CmdsParse(CommandTable
, Cmd
);
748 int CmdHelp(const char *Cmd
)
750 CmdsHelp(CommandTable
);