1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
7 //-----------------------------------------------------------------------------
8 // High frequency commands
9 //-----------------------------------------------------------------------------
13 #include "proxmark3.h"
16 #include "cmdparser.h"
22 #include "cmdhflegic.h"
23 #include "cmdhficlass.h"
26 #include "protocols.h"
28 static int CmdHelp(const char *Cmd
);
30 int CmdHFTune(const char *Cmd
)
32 UsbCommand c
={CMD_MEASURE_ANTENNA_TUNING_HF
};
38 void annotateIso14443a(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
42 case ISO14443A_CMD_WUPA
: snprintf(exp
,size
,"WUPA"); break;
43 case ISO14443A_CMD_ANTICOLL_OR_SELECT
:{
44 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
45 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
48 snprintf(exp
,size
,"SELECT_UID"); break;
51 snprintf(exp
,size
,"ANTICOLL"); break;
54 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2
:{
55 //95 20 = Anticollision of cascade level2
56 //95 70 = Select of cascade level2
59 snprintf(exp
,size
,"SELECT_UID-2"); break;
62 snprintf(exp
,size
,"ANTICOLL-2"); break;
65 case ISO14443A_CMD_REQA
: snprintf(exp
,size
,"REQA"); break;
66 case ISO14443A_CMD_READBLOCK
: snprintf(exp
,size
,"READBLOCK(%d)",cmd
[1]); break;
67 case ISO14443A_CMD_WRITEBLOCK
: snprintf(exp
,size
,"WRITEBLOCK(%d)",cmd
[1]); break;
68 case ISO14443A_CMD_HALT
: snprintf(exp
,size
,"HALT"); break;
69 case ISO14443A_CMD_RATS
: snprintf(exp
,size
,"RATS"); break;
70 case MIFARE_CMD_INC
: snprintf(exp
,size
,"INC(%d)",cmd
[1]); break;
71 case MIFARE_CMD_DEC
: snprintf(exp
,size
,"DEC(%d)",cmd
[1]); break;
72 case MIFARE_CMD_RESTORE
: snprintf(exp
,size
,"RESTORE(%d)",cmd
[1]); break;
73 case MIFARE_CMD_TRANSFER
: snprintf(exp
,size
,"TRANSFER(%d)",cmd
[1]); break;
74 case MIFARE_AUTH_KEYA
:{
76 snprintf(exp
,size
,"AUTH-A(%d)",cmd
[1]);
78 // case MIFARE_ULEV1_VERSION : both 0x60.
79 snprintf(exp
,size
,"EV1 VERSION");
82 case MIFARE_AUTH_KEYB
: snprintf(exp
,size
,"AUTH-B(%d)",cmd
[1]); break;
83 case MIFARE_MAGICWUPC1
: snprintf(exp
,size
,"MAGIC WUPC1"); break;
84 case MIFARE_MAGICWUPC2
: snprintf(exp
,size
,"MAGIC WUPC2"); break;
85 case MIFARE_MAGICWIPEC
: snprintf(exp
,size
,"MAGIC WIPEC"); break;
86 case MIFARE_ULC_AUTH_1
: snprintf(exp
,size
,"AUTH "); break;
87 case MIFARE_ULC_AUTH_2
: snprintf(exp
,size
,"AUTH_ANSW"); break;
88 case MIFARE_ULEV1_AUTH
:
90 snprintf(exp
,size
,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd
[1], cmd
[2], cmd
[3], cmd
[4] );
92 snprintf(exp
,size
,"PWD-AUTH");
94 case MIFARE_ULEV1_FASTREAD
:{
95 if ( cmdsize
>=3 && cmd
[2] <= 0xE6)
96 snprintf(exp
,size
,"READ RANGE (%d-%d)",cmd
[1],cmd
[2]);
98 snprintf(exp
,size
,"?");
101 case MIFARE_ULC_WRITE
:{
103 snprintf(exp
,size
,"WRITEBLOCK(%d)",cmd
[1]);
105 snprintf(exp
,size
,"?");
108 case MIFARE_ULEV1_READ_CNT
:{
110 snprintf(exp
,size
,"READ CNT(%d)",cmd
[1]);
112 snprintf(exp
,size
,"?");
115 case MIFARE_ULEV1_INCR_CNT
:{
117 snprintf(exp
,size
,"INCR(%d)",cmd
[1]);
119 snprintf(exp
,size
,"?");
122 case MIFARE_ULEV1_READSIG
: snprintf(exp
,size
,"READ_SIG"); break;
123 case MIFARE_ULEV1_CHECKTEAR
: snprintf(exp
,size
,"CHK_TEARING(%d)",cmd
[1]); break;
124 case MIFARE_ULEV1_VCSL
: snprintf(exp
,size
,"VCSL"); break;
125 default: snprintf(exp
,size
,"?"); break;
130 void annotateIclass(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
134 case ICLASS_CMD_ACTALL
: snprintf(exp
,size
,"ACTALL"); break;
135 case ICLASS_CMD_READ_OR_IDENTIFY
:{
137 snprintf(exp
,size
,"READ(%d)",cmd
[1]);
139 snprintf(exp
,size
,"IDENTIFY");
143 case ICLASS_CMD_SELECT
: snprintf(exp
,size
,"SELECT"); break;
144 case ICLASS_CMD_PAGESEL
: snprintf(exp
,size
,"PAGESEL(%d)", cmd
[1]); break;
145 case ICLASS_CMD_READCHECK_KC
:snprintf(exp
,size
,"READCHECK[Kc](%d)", cmd
[1]); break;
146 case ICLASS_CMD_READCHECK_KD
:snprintf(exp
,size
,"READCHECK[Kd](%d)", cmd
[1]); break;
147 case ICLASS_CMD_CHECK
: snprintf(exp
,size
,"CHECK"); break;
148 case ICLASS_CMD_DETECT
: snprintf(exp
,size
,"DETECT"); break;
149 case ICLASS_CMD_HALT
: snprintf(exp
,size
,"HALT"); break;
150 case ICLASS_CMD_UPDATE
: snprintf(exp
,size
,"UPDATE(%d)",cmd
[1]); break;
151 case ICLASS_CMD_ACT
: snprintf(exp
,size
,"ACT"); break;
152 case ICLASS_CMD_READ4
: snprintf(exp
,size
,"READ4(%d)",cmd
[1]); break;
153 default: snprintf(exp
,size
,"?"); break;
158 void annotateIso15693(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
164 case ISO15693_INVENTORY
:snprintf(exp
, size
, "INVENTORY");break;
165 case ISO15693_STAYQUIET
:snprintf(exp
, size
, "STAY_QUIET");break;
166 default: snprintf(exp
,size
,"?"); break;
169 }else if(cmd
[0] == 0x02)
173 case ISO15693_READBLOCK
:snprintf(exp
, size
, "READBLOCK");break;
174 case ISO15693_WRITEBLOCK
:snprintf(exp
, size
, "WRITEBLOCK");break;
175 case ISO15693_LOCKBLOCK
:snprintf(exp
, size
, "LOCKBLOCK");break;
176 case ISO15693_READ_MULTI_BLOCK
:snprintf(exp
, size
, "READ_MULTI_BLOCK");break;
177 case ISO15693_SELECT
:snprintf(exp
, size
, "SELECT");break;
178 case ISO15693_RESET_TO_READY
:snprintf(exp
, size
, "RESET_TO_READY");break;
179 case ISO15693_WRITE_AFI
:snprintf(exp
, size
, "WRITE_AFI");break;
180 case ISO15693_LOCK_AFI
:snprintf(exp
, size
, "LOCK_AFI");break;
181 case ISO15693_WRITE_DSFID
:snprintf(exp
, size
, "WRITE_DSFID");break;
182 case ISO15693_LOCK_DSFID
:snprintf(exp
, size
, "LOCK_DSFID");break;
183 case ISO15693_GET_SYSTEM_INFO
:snprintf(exp
, size
, "GET_SYSTEM_INFO");break;
184 case ISO15693_READ_MULTI_SECSTATUS
:snprintf(exp
, size
, "READ_MULTI_SECSTATUS");break;
185 default: snprintf(exp
,size
,"?"); break;
192 0E xx = SELECT ID (xx = Chip-ID)
194 08 yy = Read Block (yy = block number)
195 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
196 0C = Reset to Inventory
198 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
201 void annotateIso14443b(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
204 case ISO14443B_REQB
: snprintf(exp
,size
,"REQB");break;
205 case ISO14443B_ATTRIB
: snprintf(exp
,size
,"ATTRIB");break;
206 case ISO14443B_HALT
: snprintf(exp
,size
,"HALT");break;
207 case ISO14443B_INITIATE
: snprintf(exp
,size
,"INITIATE");break;
208 case ISO14443B_SELECT
: snprintf(exp
,size
,"SELECT(%d)",cmd
[1]);break;
209 case ISO14443B_GET_UID
: snprintf(exp
,size
,"GET UID");break;
210 case ISO14443B_READ_BLK
: snprintf(exp
,size
,"READ_BLK(%d)", cmd
[1]);break;
211 case ISO14443B_WRITE_BLK
: snprintf(exp
,size
,"WRITE_BLK(%d)",cmd
[1]);break;
212 case ISO14443B_RESET
: snprintf(exp
,size
,"RESET");break;
213 case ISO14443B_COMPLETION
: snprintf(exp
,size
,"COMPLETION");break;
214 case ISO14443B_AUTHENTICATE
: snprintf(exp
,size
,"AUTHENTICATE");break;
215 default : snprintf(exp
,size
,"?");break;
221 * @brief iso14443B_CRC_Ok Checks CRC in command or response
225 * @return 0 : CRC-command, CRC not ok
226 * 1 : CRC-command, CRC ok
227 * 2 : Not crc-command
230 uint8_t iso14443B_CRC_check(bool isResponse
, uint8_t* data
, uint8_t len
)
234 if(len
<= 2) return 2;
236 ComputeCrc14443(CRC_14443_B
, data
, len
-2, &b1
, &b2
);
237 if(b1
!= data
[len
-2] || b2
!= data
[len
-1]) {
244 * @brief iclass_CRC_Ok Checks CRC in command or response
248 * @return 0 : CRC-command, CRC not ok
249 * 1 : CRC-command, CRC ok
250 * 2 : Not crc-command
252 uint8_t iclass_CRC_check(bool isResponse
, uint8_t* data
, uint8_t len
)
254 if(len
< 4) return 2;//CRC commands (and responses) are all at least 4 bytes
258 if(!isResponse
)//Commands to tag
261 These commands should have CRC. Total length leftmost
264 12 UPDATE - unsecured, ends with CRC16
265 14 UPDATE - secured, ends with signature instead
268 if(len
== 4 || len
== 12)//Covers three of them
270 //Don't include the command byte
271 ComputeCrc14443(CRC_ICLASS
, (data
+1), len
-3, &b1
, &b2
);
272 return b1
== data
[len
-2] && b2
== data
[len
-1];
277 These tag responses should have CRC. Total length leftmost
279 10 READ data[8] crc[2]
280 34 READ4 data[32]crc[2]
281 10 UPDATE data[8] crc[2]
282 10 SELECT csn[8] crc[2]
283 10 IDENTIFY asnb[8] crc[2]
284 10 PAGESEL block1[8] crc[2]
285 10 DETECT csn[8] crc[2]
289 4 CHECK chip_response[4]
294 In conclusion, without looking at the command; any response
295 of length 10 or 34 should have CRC
297 if(len
!= 10 && len
!= 34) return true;
299 ComputeCrc14443(CRC_ICLASS
, data
, len
-2, &b1
, &b2
);
300 return b1
== data
[len
-2] && b2
== data
[len
-1];
304 uint16_t printTraceLine(uint16_t tracepos
, uint16_t traceLen
, uint8_t *trace
, uint8_t protocol
, bool showWaitCycles
)
307 uint16_t duration
, data_len
, parity_len
;
309 uint32_t timestamp
, first_timestamp
, EndOfTransmissionTimestamp
;
310 char explanation
[30] = {0};
312 if (tracepos
+ sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen
) return traceLen
;
314 first_timestamp
= *((uint32_t *)(trace
));
315 timestamp
= *((uint32_t *)(trace
+ tracepos
));
318 duration
= *((uint16_t *)(trace
+ tracepos
));
320 data_len
= *((uint16_t *)(trace
+ tracepos
));
323 if (data_len
& 0x8000) {
329 parity_len
= (data_len
-1)/8 + 1;
331 if (tracepos
+ data_len
+ parity_len
> traceLen
) {
334 uint8_t *frame
= trace
+ tracepos
;
335 tracepos
+= data_len
;
336 uint8_t *parityBytes
= trace
+ tracepos
;
337 tracepos
+= parity_len
;
339 //Check the CRC status
340 uint8_t crcStatus
= 2;
344 if(protocol
== ICLASS
)
346 crcStatus
= iclass_CRC_check(isResponse
, frame
, data_len
);
348 }else if (protocol
== ISO_14443B
)
350 crcStatus
= iso14443B_CRC_check(isResponse
, frame
, data_len
);
352 else if (protocol
== ISO_14443A
){//Iso 14443a
354 ComputeCrc14443(CRC_14443_A
, frame
, data_len
-2, &b1
, &b2
);
356 if (b1
!= frame
[data_len
-2] || b2
!= frame
[data_len
-1]) {
357 if(!(isResponse
& (data_len
< 6)))
364 //0 CRC-command, CRC not ok
365 //1 CRC-command, CRC ok
368 //--- Draw the data column
369 //char line[16][110];
372 for (int j
= 0; j
< data_len
&& j
/16 < 16; j
++) {
374 int oddparity
= 0x01;
377 for (k
=0 ; k
<8 ; k
++) {
378 oddparity
^= (((frame
[j
] & 0xFF) >> k
) & 0x01);
380 uint8_t parityBits
= parityBytes
[j
>>3];
381 if (isResponse
&& (oddparity
!= ((parityBits
>> (7-(j
&0x0007))) & 0x01))) {
382 snprintf(line
[j
/16]+(( j
% 16) * 4),110, "%02x! ", frame
[j
]);
385 snprintf(line
[j
/16]+(( j
% 16) * 4),110, "%02x ", frame
[j
]);
391 char *pos1
= line
[(data_len
-2)/16]+(((data_len
-2) % 16) * 4)-1;
393 char *pos2
= line
[(data_len
)/16]+(((data_len
) % 16) * 4)-2;
399 sprintf(line
[0],"<empty trace - possible error>");
402 //--- Draw the CRC column
404 char *crc
= (crcStatus
== 0 ? "!crc" : (crcStatus
== 1 ? " ok " : " "));
406 EndOfTransmissionTimestamp
= timestamp
+ duration
;
410 if(protocol
== ICLASS
)
411 annotateIclass(explanation
,sizeof(explanation
),frame
,data_len
);
412 else if (protocol
== ISO_14443A
)
413 annotateIso14443a(explanation
,sizeof(explanation
),frame
,data_len
);
414 else if(protocol
== ISO_14443B
)
415 annotateIso14443b(explanation
,sizeof(explanation
),frame
,data_len
);
418 int num_lines
= MIN((data_len
- 1)/16 + 1, 16);
419 for (int j
= 0; j
< num_lines
; j
++) {
421 PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
422 (timestamp
- first_timestamp
),
423 (EndOfTransmissionTimestamp
- first_timestamp
),
424 (isResponse
? "Tag" : "Rdr"),
426 (j
== num_lines
-1) ? crc
: " ",
427 (j
== num_lines
-1) ? explanation
: "");
429 PrintAndLog(" | | | %-64s| %s| %s",
431 (j
== num_lines
-1)?crc
:" ",
432 (j
== num_lines
-1) ? explanation
: "");
436 if (tracepos
+ sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen
) return traceLen
;
438 bool next_isResponse
= *((uint16_t *)(trace
+ tracepos
+ 6)) & 0x8000;
440 if (showWaitCycles
&& !isResponse
&& next_isResponse
) {
441 uint32_t next_timestamp
= *((uint32_t *)(trace
+ tracepos
));
442 if (next_timestamp
!= 0x44444444) {
443 PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
444 (EndOfTransmissionTimestamp
- first_timestamp
),
445 (next_timestamp
- first_timestamp
),
447 (next_timestamp
- EndOfTransmissionTimestamp
));
455 int CmdHFList(const char *Cmd
)
457 bool showWaitCycles
= false;
459 int tlen
= param_getstr(Cmd
,0,type
);
460 char param
= param_getchar(Cmd
, 1);
462 uint8_t protocol
= 0;
468 if(param
== 'h' || (param
!=0 && param
!= 'f'))
474 if(strcmp(type
, "iclass") == 0)
477 }else if(strcmp(type
, "14a") == 0)
479 protocol
= ISO_14443A
;
481 else if(strcmp(type
, "14b") == 0)
483 protocol
= ISO_14443B
;
484 }else if(strcmp(type
,"raw")== 0)
486 protocol
= -1;//No crc, no annotations
493 PrintAndLog("List protocol data in trace buffer.");
494 PrintAndLog("Usage: hf list <protocol> [f]");
495 PrintAndLog(" f - show frame delay times as well");
496 PrintAndLog("Supported <protocol> values:");
497 PrintAndLog(" raw - just show raw data without annotations");
498 PrintAndLog(" 14a - interpret data as iso14443a communications");
499 PrintAndLog(" 14b - interpret data as iso14443b communications");
500 PrintAndLog(" iclass - interpret data as iclass communications");
502 PrintAndLog("example: hf list 14a f");
503 PrintAndLog("example: hf list iclass");
509 showWaitCycles
= true;
514 uint16_t tracepos
= 0;
515 trace
= malloc(USB_CMD_DATA_SIZE
);
517 // Query for the size of the trace
519 GetFromBigBuf(trace
, USB_CMD_DATA_SIZE
, 0);
520 WaitForResponse(CMD_ACK
, &response
);
521 uint16_t traceLen
= response
.arg
[2];
522 if (traceLen
> USB_CMD_DATA_SIZE
) {
523 uint8_t *p
= realloc(trace
, traceLen
);
525 PrintAndLog("Cannot allocate memory for trace");
530 GetFromBigBuf(trace
, traceLen
, 0);
531 WaitForResponse(CMD_ACK
, NULL
);
534 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen
);
536 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
537 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
538 PrintAndLog("iClass - Timings are not as accurate");
540 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
541 PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
543 while(tracepos
< traceLen
)
545 tracepos
= printTraceLine(tracepos
, traceLen
, trace
, protocol
, showWaitCycles
);
552 int CmdHFSearch(const char *Cmd
){
555 ans
= CmdHF14AReader("s");
557 PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n");
560 ans
= HFiClassReader("", false, false);
562 PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
565 ans
= HF15Reader("", false);
567 PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
572 //14b has issues currently...
573 //ans = CmdHF14BRead(Cmd);
574 //if (ans > 0) return ans;
579 static command_t CommandTable
[] =
581 {"help", CmdHelp
, 1, "This help"},
582 {"14a", CmdHF14A
, 1, "{ ISO14443A RFIDs... }"},
583 {"14b", CmdHF14B
, 1, "{ ISO14443B RFIDs... }"},
584 {"15", CmdHF15
, 1, "{ ISO15693 RFIDs... }"},
585 {"epa", CmdHFEPA
, 1, "{ German Identification Card... }"},
586 {"legic", CmdHFLegic
, 0, "{ LEGIC RFIDs... }"},
587 {"iclass", CmdHFiClass
, 1, "{ ICLASS RFIDs... }"},
588 {"mf", CmdHFMF
, 1, "{ MIFARE RFIDs... }"},
589 {"mfu", CmdHFMFUltra
, 1, "{ MIFARE Ultralight RFIDs... }"},
590 {"tune", CmdHFTune
, 0, "Continuously measure HF antenna tuning"},
591 {"list", CmdHFList
, 1, "List protocol data in trace buffer"},
592 {"search", CmdHFSearch
, 1, "Search for known HF tags [preliminary]"},
593 {NULL
, NULL
, 0, NULL
}
596 int CmdHF(const char *Cmd
)
598 CmdsParse(CommandTable
, Cmd
);
602 int CmdHelp(const char *Cmd
)
604 CmdsHelp(CommandTable
);