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"
27 static int CmdHelp(const char *Cmd
);
29 int CmdHFTune(const char *Cmd
)
31 UsbCommand c
={CMD_MEASURE_ANTENNA_TUNING_HF
};
35 // for the time being. Need better Bigbuf handling.
36 #define TRACE_SIZE 3000
38 //The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
40 ISO14443A (usually NFC tags)
42 30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
43 A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
44 52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
45 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
46 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
47 95 20 = Anticollision of cascade level2
48 95 70 = Select of cascade level2
49 50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
51 60 = Authenticate with KeyA
52 61 = Authenticate with KeyB
53 40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
59 A0 = Compatibility Write (to accomodate MIFARE commands)
60 1A = Step1 Authenticate
61 AF = Step2 Authenticate
68 SRIX4K (tag does not respond to 05)
70 0E xx = SELECT ID (xx = Chip-ID)
72 08 yy = Read Block (yy = block number)
73 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
74 0C = Reset to Inventory
76 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
80 MANDATORY COMMANDS (all ISO15693 tags must support those)
81 01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
83 OPTIONAL COMMANDS (not all tags support them)
84 20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
85 21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
87 23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
94 2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
95 2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)
97 EM Microelectronic CUSTOM COMMANDS
98 A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
99 A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
100 B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info)
101 E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
102 NXP/Philips CUSTOM COMMANDS
104 A1 = Fast Inventory Read
109 A6 = Password Protect EAS
112 B0 = Inventory Page Read
113 B1 = Fast Inventory Page Read
114 B2 = Get Random Number
118 B6 = Bit Password Protection
119 B7 = Lock Page Protection Condition
120 B8 = Get Multiple Block Protection Status
123 BB = 64bit Password Protection
124 40 = Long Range CMD (Standard ISO/TR7003:1990)
127 #define ICLASS_CMD_ACTALL 0x0A
128 #define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
129 #define ICLASS_CMD_SELECT 0x81
130 #define ICLASS_CMD_PAGESEL 0x84
131 #define ICLASS_CMD_READCHECK_KD 0x88
132 #define ICLASS_CMD_READCHECK_KC 0x18
133 #define ICLASS_CMD_CHECK 0x05
134 #define ICLASS_CMD_DETECT 0x0F
135 #define ICLASS_CMD_HALT 0x00
136 #define ICLASS_CMD_UPDATE 0x87
137 #define ICLASS_CMD_ACT 0x8E
138 #define ICLASS_CMD_READ4 0x06
141 #define ISO14443A_CMD_REQA 0x26
142 #define ISO14443A_CMD_READBLOCK 0x30
143 #define ISO14443A_CMD_WUPA 0x52
144 #define ISO14443A_CMD_ANTICOLL_OR_SELECT 0x93
145 #define ISO14443A_CMD_ANTICOLL_OR_SELECT_2 0x95
146 #define ISO14443A_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
147 #define ISO14443A_CMD_HALT 0x50
148 #define ISO14443A_CMD_RATS 0xE0
150 #define MIFARE_AUTH_KEYA 0x60
151 #define MIFARE_AUTH_KEYB 0x61
152 #define MIFARE_MAGICMODE 0x40
153 #define MIFARE_CMD_INC 0xC0
154 #define MIFARE_CMD_DEC 0xC1
155 #define MIFARE_CMD_RESTORE 0xC2
156 #define MIFARE_CMD_TRANSFER 0xB0
158 #define MIFARE_ULC_WRITE 0xA0
159 #define MIFARE_ULC_AUTH_1 0x1A
160 #define MIFARE_ULC_AUTH_2 0xAF
162 #define ISO14443B_REQB 0x05
163 #define ISO14443B_ATTRIB 0x1D
164 #define ISO14443B_HALT 0x50
167 #define ISO15693_INVENTORY 0x01
168 #define ISO15693_STAYQUIET 0x02
170 #define ISO15693_READBLOCK 0x20
171 #define ISO15693_WRITEBLOCK 0x21
172 #define ISO15693_LOCKBLOCK 0x22
173 #define ISO15693_READ_MULTI_BLOCK 0x23
174 #define ISO15693_SELECT 0x25
175 #define ISO15693_RESET_TO_READY 0x26
176 #define ISO15693_WRITE_AFI 0x27
177 #define ISO15693_LOCK_AFI 0x28
178 #define ISO15693_WRITE_DSFID 0x29
179 #define ISO15693_LOCK_DSFID 0x2A
180 #define ISO15693_GET_SYSTEM_INFO 0x2B
181 #define ISO15693_READ_MULTI_SECSTATUS 0x2C
189 void annotateIso14443a(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
193 case ISO14443A_CMD_WUPA
: snprintf(exp
,size
,"WUPA"); break;
194 case ISO14443A_CMD_ANTICOLL_OR_SELECT
:{
195 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
196 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
199 snprintf(exp
,size
,"SELECT_UID"); break;
202 snprintf(exp
,size
,"ANTICOLL"); break;
205 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2
:{
206 //95 20 = Anticollision of cascade level2
207 //95 70 = Select of cascade level2
210 snprintf(exp
,size
,"SELECT_UID-2"); break;
213 snprintf(exp
,size
,"ANTICOLL-2"); break;
216 case ISO14443A_CMD_REQA
: snprintf(exp
,size
,"REQA"); break;
217 case ISO14443A_CMD_READBLOCK
: snprintf(exp
,size
,"READBLOCK(%d)",cmd
[1]); break;
218 case ISO14443A_CMD_WRITEBLOCK
: snprintf(exp
,size
,"WRITEBLOCK(%d)",cmd
[1]); break;
219 case ISO14443A_CMD_HALT
: snprintf(exp
,size
,"HALT"); break;
220 case ISO14443A_CMD_RATS
: snprintf(exp
,size
,"RATS"); break;
221 case MIFARE_CMD_INC
: snprintf(exp
,size
,"INC(%d)",cmd
[1]); break;
222 case MIFARE_CMD_DEC
: snprintf(exp
,size
,"DEC(%d)",cmd
[1]); break;
223 case MIFARE_CMD_RESTORE
: snprintf(exp
,size
,"RESTORE(%d)",cmd
[1]); break;
224 case MIFARE_CMD_TRANSFER
: snprintf(exp
,size
,"TRANSFER(%d)",cmd
[1]); break;
225 case MIFARE_AUTH_KEYA
: snprintf(exp
,size
,"AUTH-A(%d)",cmd
[1]); break;
226 case MIFARE_AUTH_KEYB
: snprintf(exp
,size
,"AUTH-B(%d)",cmd
[1]); break;
227 case MIFARE_MAGICMODE
: snprintf(exp
,size
,"MAGIC"); break;
228 default: snprintf(exp
,size
,"?"); break;
233 void annotateIclass(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
237 case ICLASS_CMD_ACTALL
: snprintf(exp
,size
,"ACTALL"); break;
238 case ICLASS_CMD_READ_OR_IDENTIFY
:{
240 snprintf(exp
,size
,"READ(%d)",cmd
[1]);
242 snprintf(exp
,size
,"IDENTIFY");
246 case ICLASS_CMD_SELECT
: snprintf(exp
,size
,"SELECT"); break;
247 case ICLASS_CMD_PAGESEL
: snprintf(exp
,size
,"PAGESEL(%d)", cmd
[1]); break;
248 case ICLASS_CMD_READCHECK_KC
:snprintf(exp
,size
,"READCHECK[Kc](%d)", cmd
[1]); break;
249 case ICLASS_CMD_READCHECK_KD
:snprintf(exp
,size
,"READCHECK[Kd](%d)", cmd
[1]); break;
250 case ICLASS_CMD_CHECK
: snprintf(exp
,size
,"CHECK"); break;
251 case ICLASS_CMD_DETECT
: snprintf(exp
,size
,"DETECT"); break;
252 case ICLASS_CMD_HALT
: snprintf(exp
,size
,"HALT"); break;
253 case ICLASS_CMD_UPDATE
: snprintf(exp
,size
,"UPDATE(%d)",cmd
[1]); break;
254 case ICLASS_CMD_ACT
: snprintf(exp
,size
,"ACT"); break;
255 case ICLASS_CMD_READ4
: snprintf(exp
,size
,"READ4(%d)",cmd
[1]); break;
256 default: snprintf(exp
,size
,"?"); break;
261 void annotateIso15693(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
267 case ISO15693_INVENTORY
:snprintf(exp
, size
, "INVENTORY");break;
268 case ISO15693_STAYQUIET
:snprintf(exp
, size
, "STAY_QUIET");break;
269 default: snprintf(exp
,size
,"?"); break;
272 }else if(cmd
[0] == 0x02)
276 case ISO15693_READBLOCK
:snprintf(exp
, size
, "READBLOCK");break;
277 case ISO15693_WRITEBLOCK
:snprintf(exp
, size
, "WRITEBLOCK");break;
278 case ISO15693_LOCKBLOCK
:snprintf(exp
, size
, "LOCKBLOCK");break;
279 case ISO15693_READ_MULTI_BLOCK
:snprintf(exp
, size
, "READ_MULTI_BLOCK");break;
280 case ISO15693_SELECT
:snprintf(exp
, size
, "SELECT");break;
281 case ISO15693_RESET_TO_READY
:snprintf(exp
, size
, "RESET_TO_READY");break;
282 case ISO15693_WRITE_AFI
:snprintf(exp
, size
, "WRITE_AFI");break;
283 case ISO15693_LOCK_AFI
:snprintf(exp
, size
, "LOCK_AFI");break;
284 case ISO15693_WRITE_DSFID
:snprintf(exp
, size
, "WRITE_DSFID");break;
285 case ISO15693_LOCK_DSFID
:snprintf(exp
, size
, "LOCK_DSFID");break;
286 case ISO15693_GET_SYSTEM_INFO
:snprintf(exp
, size
, "GET_SYSTEM_INFO");break;
287 case ISO15693_READ_MULTI_SECSTATUS
:snprintf(exp
, size
, "READ_MULTI_SECSTATUS");break;
288 default: snprintf(exp
,size
,"?"); break;
292 void annotateIso14443b(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
295 case ISO14443B_REQB
: snprintf(exp
,size
,"REQB");break;
296 case ISO14443B_ATTRIB
: snprintf(exp
,size
,"ATTRIB");break;
297 case ISO14443B_HALT
: snprintf(exp
,size
,"HALT");break;
298 default: snprintf(exp
,size
,"?");break;
304 * @brief iso14443B_CRC_Ok Checks CRC in command or response
308 * @return 0 : CRC-command, CRC not ok
309 * 1 : CRC-command, CRC ok
310 * 2 : Not crc-command
313 uint8_t iso14443B_CRC_check(bool isResponse
, uint8_t* data
, uint8_t len
)
317 if(len
<= 2) return 2;
319 ComputeCrc14443(CRC_14443_B
, data
, len
-2, &b1
, &b2
);
320 if(b1
!= data
[len
-2] || b2
!= data
[len
-1]) {
327 * @brief iclass_CRC_Ok Checks CRC in command or response
331 * @return 0 : CRC-command, CRC not ok
332 * 1 : CRC-command, CRC ok
333 * 2 : Not crc-command
335 uint8_t iclass_CRC_check(bool isResponse
, uint8_t* data
, uint8_t len
)
337 if(len
< 4) return 2;//CRC commands (and responses) are all at least 4 bytes
341 if(!isResponse
)//Commands to tag
344 These commands should have CRC. Total length leftmost
347 12 UPDATE - unsecured, ends with CRC16
348 14 UPDATE - secured, ends with signature instead
351 if(len
== 4 || len
== 12)//Covers three of them
353 //Don't include the command byte
354 ComputeCrc14443(CRC_ICLASS
, (data
+1), len
-3, &b1
, &b2
);
355 return b1
== data
[len
-2] && b2
== data
[len
-1];
360 These tag responses should have CRC. Total length leftmost
362 10 READ data[8] crc[2]
363 34 READ4 data[32]crc[2]
364 10 UPDATE data[8] crc[2]
365 10 SELECT csn[8] crc[2]
366 10 IDENTIFY asnb[8] crc[2]
367 10 PAGESEL block1[8] crc[2]
368 10 DETECT csn[8] crc[2]
372 4 CHECK chip_response[4]
377 In conclusion, without looking at the command; any response
378 of length 10 or 34 should have CRC
380 if(len
!= 10 && len
!= 34) return true;
382 ComputeCrc14443(CRC_ICLASS
, data
, len
-2, &b1
, &b2
);
383 return b1
== data
[len
-2] && b2
== data
[len
-1];
387 uint16_t printTraceLine(uint16_t tracepos
, uint8_t* trace
, uint8_t protocol
, bool showWaitCycles
)
390 uint16_t duration
, data_len
,parity_len
;
392 uint32_t timestamp
, first_timestamp
, EndOfTransmissionTimestamp
;
393 char explanation
[30] = {0};
395 first_timestamp
= *((uint32_t *)(trace
));
396 timestamp
= *((uint32_t *)(trace
+ tracepos
));
397 // Break and stick with current result if buffer was not completely full
398 if (timestamp
== 0x44444444) return TRACE_SIZE
;
401 duration
= *((uint16_t *)(trace
+ tracepos
));
403 data_len
= *((uint16_t *)(trace
+ tracepos
));
406 if (data_len
& 0x8000) {
412 parity_len
= (data_len
-1)/8 + 1;
414 if (tracepos
+ data_len
+ parity_len
>= TRACE_SIZE
) {
418 uint8_t *frame
= trace
+ tracepos
;
419 tracepos
+= data_len
;
420 uint8_t *parityBytes
= trace
+ tracepos
;
421 tracepos
+= parity_len
;
423 //--- Draw the data column
425 for (int j
= 0; j
< data_len
; j
++) {
426 int oddparity
= 0x01;
429 for (k
=0 ; k
<8 ; k
++) {
430 oddparity
^= (((frame
[j
] & 0xFF) >> k
) & 0x01);
433 uint8_t parityBits
= parityBytes
[j
>>3];
435 if (isResponse
&& (oddparity
!= ((parityBits
>> (7-(j
&0x0007))) & 0x01))) {
436 sprintf(line
[j
/16]+((j
%16)*4), "%02x! ", frame
[j
]);
438 sprintf(line
[j
/16]+((j
%16)*4), "%02x ", frame
[j
]);
441 //--- Draw the CRC column
442 uint8_t crcStatus
= 2;
446 if(protocol
== ICLASS
)
448 crcStatus
= iclass_CRC_check(isResponse
, frame
, data_len
);
450 }else if (protocol
== ISO_14443B
)
452 crcStatus
= iso14443B_CRC_check(isResponse
, frame
, data_len
);
454 else if (protocol
== ISO_14443A
){//Iso 14443a
456 ComputeCrc14443(CRC_14443_A
, frame
, data_len
-2, &b1
, &b2
);
458 if (b1
!= frame
[data_len
-2] || b2
!= frame
[data_len
-1]) {
459 if(!(isResponse
& (data_len
< 6)))
466 //0 CRC-command, CRC not ok
467 //1 CRC-command, CRC ok
469 char *crc
= (crcStatus
== 0 ? "!crc" : (crcStatus
== 1 ? " ok " : " "));
471 EndOfTransmissionTimestamp
= timestamp
+ duration
;
475 if(protocol
== ICLASS
)
476 annotateIclass(explanation
,sizeof(explanation
),frame
,data_len
);
477 else if (protocol
== ISO_14443A
)
478 annotateIso14443a(explanation
,sizeof(explanation
),frame
,data_len
);
479 else if(protocol
== ISO_14443B
)
480 annotateIso14443b(explanation
,sizeof(explanation
),frame
,data_len
);
483 int num_lines
= (data_len
- 1)/16 + 1;
484 for (int j
= 0; j
< num_lines
; j
++) {
486 PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
487 (timestamp
- first_timestamp
),
488 (EndOfTransmissionTimestamp
- first_timestamp
),
489 (isResponse
? "Tag" : "Rdr"),
491 (j
== num_lines
-1) ? crc
: " ",
492 (j
== num_lines
-1) ? explanation
: "");
494 PrintAndLog(" | | | %-64s| %s| %s",
496 (j
== num_lines
-1)?crc
:" ",
497 (j
== num_lines
-1) ? explanation
: "");
501 bool next_isResponse
= *((uint16_t *)(trace
+ tracepos
+ 6)) & 0x8000;
503 if (showWaitCycles
&& !isResponse
&& next_isResponse
) {
504 uint32_t next_timestamp
= *((uint32_t *)(trace
+ tracepos
));
505 if (next_timestamp
!= 0x44444444) {
506 PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
507 (EndOfTransmissionTimestamp
- first_timestamp
),
508 (next_timestamp
- first_timestamp
),
510 (next_timestamp
- EndOfTransmissionTimestamp
));
516 int CmdHFList(const char *Cmd
)
518 bool showWaitCycles
= false;
520 int tlen
= param_getstr(Cmd
,0,type
);
521 char param
= param_getchar(Cmd
, 1);
523 uint8_t protocol
= 0;
529 if(param
== 'h' || (param
!=0 && param
!= 'f'))
535 if(strcmp(type
, "iclass") == 0)
538 }else if(strcmp(type
, "14a") == 0)
540 protocol
= ISO_14443A
;
542 else if(strcmp(type
, "14b") == 0)
544 protocol
= ISO_14443B
;
545 }else if(strcmp(type
,"raw")== 0)
547 protocol
= -1;//No crc, no annotations
554 PrintAndLog("List protocol data in trace buffer.");
555 PrintAndLog("Usage: hf list [14a|14b|iclass] [f]");
556 PrintAndLog(" 14a - interpret data as iso14443a communications");
557 PrintAndLog(" 14b - interpret data as iso14443b communications");
558 PrintAndLog(" iclass - interpret data as iclass communications");
559 PrintAndLog(" raw - just show raw data");
560 PrintAndLog(" f - show frame delay times as well");
562 PrintAndLog("example: hf list 14a f");
563 PrintAndLog("example: hf list iclass");
569 showWaitCycles
= true;
573 uint8_t trace
[TRACE_SIZE
];
574 uint16_t tracepos
= 0;
575 GetFromBigBuf(trace
, TRACE_SIZE
, 0);
576 WaitForResponse(CMD_ACK
, NULL
);
578 PrintAndLog("Recorded Activity");
580 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
581 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
582 PrintAndLog("iClass - Timings are not as accurate");
584 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
585 PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
587 while(tracepos
< TRACE_SIZE
)
589 tracepos
= printTraceLine(tracepos
, trace
, protocol
, showWaitCycles
);
595 static command_t CommandTable
[] =
597 {"help", CmdHelp
, 1, "This help"},
598 {"14a", CmdHF14A
, 1, "{ ISO14443A RFIDs... }"},
599 {"14b", CmdHF14B
, 1, "{ ISO14443B RFIDs... }"},
600 {"15", CmdHF15
, 1, "{ ISO15693 RFIDs... }"},
601 {"epa", CmdHFEPA
, 1, "{ German Identification Card... }"},
602 {"legic", CmdHFLegic
, 0, "{ LEGIC RFIDs... }"},
603 {"iclass", CmdHFiClass
, 1, "{ ICLASS RFIDs... }"},
604 {"mf", CmdHFMF
, 1, "{ MIFARE RFIDs... }"},
605 {"mfu", CmdHFMFUltra
, 1, "{ MIFARE Ultralight RFIDs... }"},
606 {"tune", CmdHFTune
, 0, "Continuously measure HF antenna tuning"},
607 {"list", CmdHFList
, 1, "List protocol data in trace buffer"},
608 {NULL
, NULL
, 0, NULL
}
611 int CmdHF(const char *Cmd
)
613 CmdsParse(CommandTable
, Cmd
);
617 int CmdHelp(const char *Cmd
)
619 CmdsHelp(CommandTable
);