1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3 // Copyright (C) Merlok - 2017
5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
6 // at your option, any later version. See the LICENSE.txt file for the text of
8 //-----------------------------------------------------------------------------
9 // Command: hf list. It shows data from arm buffer.
10 //-----------------------------------------------------------------------------
12 #include "cmdhflist.h"
22 #include "iso14443crc.h"
23 #include "iso15693tools.h"
25 #include "protocols.h"
26 #include "crapto1/crapto1.h"
27 #include "mifare/mifarehost.h"
28 #include "mifare/mifaredefault.h"
34 uint32_t nt
; // tag challenge
35 uint32_t nt_enc
; // encrypted tag challenge
36 uint8_t nt_enc_par
; // encrypted tag challenge parity
37 uint32_t nr_enc
; // encrypted reader challenge
38 uint32_t ar_enc
; // encrypted reader response
39 uint8_t ar_enc_par
; // encrypted reader response parity
40 uint32_t at_enc
; // encrypted tag response
41 uint8_t at_enc_par
; // encrypted tag response parity
42 bool first_auth
; // is first authentication
43 uint32_t ks2
; // ar ^ ar_enc
44 uint32_t ks3
; // at ^ at_enc
58 static enum MifareAuthSeq MifareAuthState
;
59 static TAuthData AuthData
;
61 static void ClearAuthData() {
64 AuthData
.first_auth
= true;
70 * @brief iso14443A_CRC_check Checks CRC in command or response
74 * @return 0 : CRC-command, CRC not ok
75 * 1 : CRC-command, CRC ok
78 static uint8_t iso14443A_CRC_check(bool isResponse
, uint8_t* data
, uint8_t len
)
82 if(len
<= 2) return 2;
84 if(isResponse
& (len
< 6)) return 2;
86 ComputeCrc14443(CRC_14443_A
, data
, len
-2, &b1
, &b2
);
87 if (b1
!= data
[len
-2] || b2
!= data
[len
-1]) {
95 static uint8_t iso14443_4_CRC_check(uint8_t* data
, uint8_t len
)
99 if(len
<= 2) return 2;
101 ComputeCrc14443(CRC_14443_A
, data
, len
-2, &b1
, &b2
);
102 if (b1
!= data
[len
-2] || b2
!= data
[len
-1]) {
110 static uint8_t mifare_CRC_check(bool isResponse
, uint8_t* data
, uint8_t len
)
112 switch(MifareAuthState
) {
115 return iso14443A_CRC_check(isResponse
, data
, len
);
123 * @brief iso14443B_CRC_check Checks CRC in command or response
127 * @return 0 : CRC-command, CRC not ok
128 * 1 : CRC-command, CRC ok
129 * 2 : Not crc-command
131 static uint8_t iso14443B_CRC_check(bool isResponse
, uint8_t* data
, uint8_t len
)
135 if(len
<= 2) return 2;
137 ComputeCrc14443(CRC_14443_B
, data
, len
-2, &b1
, &b2
);
138 if(b1
!= data
[len
-2] || b2
!= data
[len
-1]) {
146 static uint8_t iso15693_CRC_check(uint8_t* d
, uint16_t n
)
148 if (n
<= 2) return 2;
150 return (Iso15693Crc(d
, n
) == ISO15693_CRC_CHECK
? 1 : 0);
155 * @brief iclass_CRC_Ok Checks CRC in command or response
159 * @return 0 : CRC-command, CRC not ok
160 * 1 : CRC-command, CRC ok
161 * 2 : Not crc-command
163 uint8_t iclass_CRC_check(bool isResponse
, uint8_t* data
, uint8_t len
)
165 if(len
< 4) return 2;//CRC commands (and responses) are all at least 4 bytes
169 if(!isResponse
)//Commands to tag
172 These commands should have CRC. Total length leftmost
175 12 UPDATE - unsecured, ends with CRC16
176 14 UPDATE - secured, ends with signature instead
179 if(len
== 4 || len
== 12)//Covers three of them
181 //Don't include the command byte
182 ComputeCrc14443(CRC_ICLASS
, (data
+1), len
-3, &b1
, &b2
);
183 return b1
== data
[len
-2] && b2
== data
[len
-1];
188 These tag responses should have CRC. Total length leftmost
190 10 READ data[8] crc[2]
191 34 READ4 data[32]crc[2]
192 10 UPDATE data[8] crc[2]
193 10 SELECT csn[8] crc[2]
194 10 IDENTIFY asnb[8] crc[2]
195 10 PAGESEL block1[8] crc[2]
196 10 DETECT csn[8] crc[2]
200 4 CHECK chip_response[4]
205 In conclusion, without looking at the command; any response
206 of length 10 or 34 should have CRC
208 if(len
!= 10 && len
!= 34) return true;
210 ComputeCrc14443(CRC_ICLASS
, data
, len
-2, &b1
, &b2
);
211 return b1
== data
[len
-2] && b2
== data
[len
-1];
216 void annotateIclass(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
) {
219 case ICLASS_CMD_ACTALL
: snprintf(exp
, size
, "ACTALL"); break;
220 case ICLASS_CMD_READ_OR_IDENTIFY
: {
222 snprintf(exp
,size
,"READ(%d)",cmd
[1]);
224 snprintf(exp
,size
,"IDENTIFY");
228 case ICLASS_CMD_SELECT
: snprintf(exp
,size
, "SELECT"); break;
229 case ICLASS_CMD_PAGESEL
: snprintf(exp
,size
, "PAGESEL(%d)", cmd
[1]); break;
230 case ICLASS_CMD_READCHECK_KC
:snprintf(exp
,size
, "READCHECK[Kc](%d)", cmd
[1]); break;
231 case ICLASS_CMD_READCHECK_KD
:snprintf(exp
,size
, "READCHECK[Kd](%d)", cmd
[1]); break;
232 case ICLASS_CMD_CHECK
: snprintf(exp
,size
, "CHECK"); break;
233 case ICLASS_CMD_DETECT
: snprintf(exp
,size
, "DETECT"); break;
234 case ICLASS_CMD_HALT
: snprintf(exp
,size
, "HALT"); break;
235 case ICLASS_CMD_UPDATE
: snprintf(exp
,size
, "UPDATE(%d)",cmd
[1]); break;
236 case ICLASS_CMD_ACT
: snprintf(exp
,size
, "ACT"); break;
237 case ICLASS_CMD_READ4
: snprintf(exp
,size
, "READ4(%d)",cmd
[1]); break;
238 default: snprintf(exp
,size
, "?"); break;
244 void annotateIso15693(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
247 // Mandatory Commands, all Tags must support them:
248 case ISO15693_INVENTORY
:snprintf(exp
, size
, "INVENTORY");return;
249 case ISO15693_STAYQUIET
:snprintf(exp
, size
, "STAY_QUIET");return;
250 // Optional Commands, Tags may support them:
251 case ISO15693_READBLOCK
:snprintf(exp
, size
, "READBLOCK");return;
252 case ISO15693_WRITEBLOCK
:snprintf(exp
, size
, "WRITEBLOCK");return;
253 case ISO15693_LOCKBLOCK
:snprintf(exp
, size
, "LOCKBLOCK");return;
254 case ISO15693_READ_MULTI_BLOCK
:snprintf(exp
, size
, "READ_MULTI_BLOCK");return;
255 case ISO15693_SELECT
:snprintf(exp
, size
, "SELECT");return;
256 case ISO15693_RESET_TO_READY
:snprintf(exp
, size
, "RESET_TO_READY");return;
257 case ISO15693_WRITE_AFI
:snprintf(exp
, size
, "WRITE_AFI");return;
258 case ISO15693_LOCK_AFI
:snprintf(exp
, size
, "LOCK_AFI");return;
259 case ISO15693_WRITE_DSFID
:snprintf(exp
, size
, "WRITE_DSFID");return;
260 case ISO15693_LOCK_DSFID
:snprintf(exp
, size
, "LOCK_DSFID");return;
261 case ISO15693_GET_SYSTEM_INFO
:snprintf(exp
, size
, "GET_SYSTEM_INFO");return;
262 case ISO15693_READ_MULTI_SECSTATUS
:snprintf(exp
, size
, "READ_MULTI_SECSTATUS");return;
266 if (cmd
[1] > ISO15693_STAYQUIET
&& cmd
[1] < ISO15693_READBLOCK
) snprintf(exp
, size
, "Mandatory RFU");
267 else if (cmd
[1] > ISO15693_READ_MULTI_SECSTATUS
&& cmd
[1] <= 0x9F) snprintf(exp
, size
, "Optional RFU");
268 else if ( cmd
[1] >= 0xA0 && cmd
[1] <= 0xDF ) snprintf(exp
, size
, "Custom command");
269 else if ( cmd
[1] >= 0xE0 && cmd
[1] <= 0xFF ) snprintf(exp
, size
, "Proprietary command");
273 void annotateTopaz(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
276 case TOPAZ_REQA
:snprintf(exp
, size
, "REQA");break;
277 case TOPAZ_WUPA
:snprintf(exp
, size
, "WUPA");break;
278 case TOPAZ_RID
:snprintf(exp
, size
, "RID");break;
279 case TOPAZ_RALL
:snprintf(exp
, size
, "RALL");break;
280 case TOPAZ_READ
:snprintf(exp
, size
, "READ");break;
281 case TOPAZ_WRITE_E
:snprintf(exp
, size
, "WRITE-E");break;
282 case TOPAZ_WRITE_NE
:snprintf(exp
, size
, "WRITE-NE");break;
283 case TOPAZ_RSEG
:snprintf(exp
, size
, "RSEG");break;
284 case TOPAZ_READ8
:snprintf(exp
, size
, "READ8");break;
285 case TOPAZ_WRITE_E8
:snprintf(exp
, size
, "WRITE-E8");break;
286 case TOPAZ_WRITE_NE8
:snprintf(exp
, size
, "WRITE-NE8");break;
287 default: snprintf(exp
,size
,"?"); break;
292 void annotateIso7816(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
295 case ISO7816_READ_BINARY
:snprintf(exp
, size
, "READ BINARY");break;
296 case ISO7816_WRITE_BINARY
:snprintf(exp
, size
, "WRITE BINARY");break;
297 case ISO7816_UPDATE_BINARY
:snprintf(exp
, size
, "UPDATE BINARY");break;
298 case ISO7816_ERASE_BINARY
:snprintf(exp
, size
, "ERASE BINARY");break;
299 case ISO7816_READ_RECORDS
:snprintf(exp
, size
, "READ RECORD(S)");break;
300 case ISO7816_WRITE_RECORD
:snprintf(exp
, size
, "WRITE RECORD");break;
301 case ISO7816_APPEND_RECORD
:snprintf(exp
, size
, "APPEND RECORD");break;
302 case ISO7816_UPDATE_DATA
:snprintf(exp
, size
, "UPDATE DATA");break;
303 case ISO7816_GET_DATA
:snprintf(exp
, size
, "GET DATA");break;
304 case ISO7816_PUT_DATA
:snprintf(exp
, size
, "PUT DATA");break;
305 case ISO7816_SELECT_FILE
:snprintf(exp
, size
, "SELECT FILE");break;
306 case ISO7816_VERIFY
:snprintf(exp
, size
, "VERIFY");break;
307 case ISO7816_INTERNAL_AUTHENTICATE
:snprintf(exp
, size
, "INTERNAL AUTHENTICATE");break;
308 case ISO7816_EXTERNAL_AUTHENTICATE
:snprintf(exp
, size
, "EXTERNAL AUTHENTICATE");break;
309 case ISO7816_GET_CHALLENGE
:snprintf(exp
, size
, "GET CHALLENGE");break;
310 case ISO7816_MANAGE_CHANNEL
:snprintf(exp
, size
, "MANAGE CHANNEL");break;
311 case ISO7816_GET_RESPONSE
:snprintf(exp
, size
, "GET RESPONSE");break;
312 case ISO7816_ENVELOPE
:snprintf(exp
, size
, "ENVELOPE");break;
313 case ISO7816_GET_PROCESSING_OPTIONS
:snprintf(exp
, size
, "GET PROCESSING OPTIONS");break;
314 default :snprintf(exp
,size
,"?"); break;
319 void annotateIso14443_4(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
){
321 if ((cmd
[0] & 0xc3) == 0xc2) {
322 switch (cmd
[0] & 0x30) {
323 case 0x00 : snprintf(exp
, size
, "S-block DESELECT"); break;
324 case 0x30 : snprintf(exp
, size
, "S-block WTX"); break;
325 default : snprintf(exp
, size
, "S-block (RFU)"); break;
329 else if ((cmd
[0] & 0xe0) == 0xa0) {
330 if ((cmd
[0] & 0x10) == 0)
331 snprintf(exp
, size
, "R-block ACK");
333 snprintf(exp
, size
, "R-block NACK");
338 switch (cmd
[0] & 0x0c) {
339 case 0x08: // CID following
340 case 0x04: // NAD following
343 case 0x0c: // CID and NAD following
347 pos
= 1; // no CID, no NAD
350 annotateIso7816(exp
, size
, &cmd
[pos
], cmdsize
-pos
);
357 0E xx = SELECT ID (xx = Chip-ID)
359 08 yy = Read Block (yy = block number)
360 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
361 0C = Reset to Inventory
363 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
366 void annotateIso14443b(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
369 case ISO14443B_REQB
: snprintf(exp
,size
,"REQB");break;
370 case ISO14443B_ATTRIB
: snprintf(exp
,size
,"ATTRIB");break;
371 case ISO14443B_HALT
: snprintf(exp
,size
,"HALT");break;
372 case ISO14443B_INITIATE
: snprintf(exp
,size
,"INITIATE");break;
373 case ISO14443B_SELECT
: snprintf(exp
,size
,"SELECT(%d)",cmd
[1]);break;
374 case ISO14443B_GET_UID
: snprintf(exp
,size
,"GET UID");break;
375 case ISO14443B_READ_BLK
: snprintf(exp
,size
,"READ_BLK(%d)", cmd
[1]);break;
376 case ISO14443B_WRITE_BLK
: snprintf(exp
,size
,"WRITE_BLK(%d)",cmd
[1]);break;
377 case ISO14443B_RESET
: snprintf(exp
,size
,"RESET");break;
378 case ISO14443B_COMPLETION
: snprintf(exp
,size
,"COMPLETION");break;
379 case ISO14443B_AUTHENTICATE
: snprintf(exp
,size
,"AUTHENTICATE");break;
380 default : snprintf(exp
,size
,"?");break;
385 void annotateIso14443a(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
)
389 case ISO14443A_CMD_WUPA
:
390 snprintf(exp
,size
,"WUPA");
392 case ISO14443A_CMD_ANTICOLL_OR_SELECT
:{
393 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
394 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
397 snprintf(exp
,size
,"SELECT_UID"); break;
400 snprintf(exp
,size
,"ANTICOLL"); break;
403 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2
:{
404 //95 20 = Anticollision of cascade level2
405 //95 70 = Select of cascade level2
408 snprintf(exp
,size
,"SELECT_UID-2"); break;
411 snprintf(exp
,size
,"ANTICOLL-2"); break;
414 case ISO14443A_CMD_REQA
:
415 snprintf(exp
,size
,"REQA");
417 case MIFARE_CMD_READBLOCK
: snprintf(exp
,size
,"READBLOCK(%d)",cmd
[1]); break;
418 case MIFARE_CMD_WRITEBLOCK
: snprintf(exp
,size
,"WRITEBLOCK(%d)",cmd
[1]); break;
419 case ISO14443A_CMD_HALT
:
420 snprintf(exp
,size
,"HALT");
421 MifareAuthState
= masNone
;
423 case ISO14443A_CMD_RATS
: snprintf(exp
,size
,"RATS"); break;
424 case MIFARE_CMD_INC
: snprintf(exp
,size
,"INC(%d)",cmd
[1]); break;
425 case MIFARE_CMD_DEC
: snprintf(exp
,size
,"DEC(%d)",cmd
[1]); break;
426 case MIFARE_CMD_RESTORE
: snprintf(exp
,size
,"RESTORE(%d)",cmd
[1]); break;
427 case MIFARE_CMD_TRANSFER
: snprintf(exp
,size
,"TRANSFER(%d)",cmd
[1]); break;
428 case MIFARE_AUTH_KEYA
:
430 snprintf(exp
,size
,"AUTH-A(%d)",cmd
[1]);
431 MifareAuthState
= masNt
;
433 // case MIFARE_ULEV1_VERSION : both 0x60.
434 snprintf(exp
,size
,"EV1 VERSION");
437 case MIFARE_AUTH_KEYB
:
438 MifareAuthState
= masNt
;
439 snprintf(exp
,size
,"AUTH-B(%d)",cmd
[1]);
441 case MIFARE_MAGICWUPC1
: snprintf(exp
,size
,"MAGIC WUPC1"); break;
442 case MIFARE_MAGICWUPC2
: snprintf(exp
,size
,"MAGIC WUPC2"); break;
443 case MIFARE_MAGICWIPEC
: snprintf(exp
,size
,"MAGIC WIPEC"); break;
444 case MIFARE_ULC_AUTH_1
: snprintf(exp
,size
,"AUTH "); break;
445 case MIFARE_ULC_AUTH_2
: snprintf(exp
,size
,"AUTH_ANSW"); break;
446 case MIFARE_ULEV1_AUTH
:
448 snprintf(exp
,size
,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd
[1], cmd
[2], cmd
[3], cmd
[4] );
450 snprintf(exp
,size
,"PWD-AUTH");
452 case MIFARE_ULEV1_FASTREAD
:{
453 if ( cmdsize
>=3 && cmd
[2] <= 0xE6)
454 snprintf(exp
,size
,"READ RANGE (%d-%d)",cmd
[1],cmd
[2]);
456 snprintf(exp
,size
,"?");
459 case MIFARE_ULC_WRITE
:{
461 snprintf(exp
,size
,"WRITEBLOCK(%d)",cmd
[1]);
463 snprintf(exp
,size
,"?");
466 case MIFARE_ULEV1_READ_CNT
:{
468 snprintf(exp
,size
,"READ CNT(%d)",cmd
[1]);
470 snprintf(exp
,size
,"?");
473 case MIFARE_ULEV1_INCR_CNT
:{
475 snprintf(exp
,size
,"INCR(%d)",cmd
[1]);
477 snprintf(exp
,size
,"?");
480 case MIFARE_ULEV1_READSIG
: snprintf(exp
,size
,"READ_SIG"); break;
481 case MIFARE_ULEV1_CHECKTEAR
: snprintf(exp
,size
,"CHK_TEARING(%d)",cmd
[1]); break;
482 case MIFARE_ULEV1_VCSL
: snprintf(exp
,size
,"VCSL"); break;
483 default: snprintf(exp
,size
,"?"); break;
488 void annotateMifare(char *exp
, size_t size
, uint8_t* cmd
, uint8_t cmdsize
, uint8_t* parity
, uint8_t paritysize
, bool isResponse
) {
489 if (!isResponse
&& cmdsize
== 1) {
491 case ISO14443A_CMD_WUPA
:
492 case ISO14443A_CMD_REQA
:
493 MifareAuthState
= masNone
;
501 if (MifareAuthState
== masNone
) {
502 if (cmdsize
== 9 && cmd
[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT
&& cmd
[1] == 0x70) {
504 AuthData
.uid
= bytes_to_num(&cmd
[2], 4);
506 if (cmdsize
== 9 && cmd
[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT_2
&& cmd
[1] == 0x70) {
508 AuthData
.uid
= bytes_to_num(&cmd
[2], 4);
512 switch(MifareAuthState
) {
514 if (cmdsize
== 4 && isResponse
) {
515 snprintf(exp
,size
,"AUTH: nt %s", (AuthData
.first_auth
) ? "" : "(enc)");
516 MifareAuthState
= masNrAr
;
517 if (AuthData
.first_auth
) {
518 AuthData
.nt
= bytes_to_num(cmd
, 4);
520 AuthData
.nt_enc
= bytes_to_num(cmd
, 4);
521 AuthData
.nt_enc_par
= parity
[0];
525 MifareAuthState
= masError
;
529 if (cmdsize
== 8 && !isResponse
) {
530 snprintf(exp
,size
,"AUTH: nr ar (enc)");
531 MifareAuthState
= masAt
;
532 AuthData
.nr_enc
= bytes_to_num(cmd
, 4);
533 AuthData
.ar_enc
= bytes_to_num(&cmd
[4], 4);
534 AuthData
.ar_enc_par
= parity
[0] << 4;
537 MifareAuthState
= masError
;
541 if (cmdsize
== 4 && isResponse
) {
542 snprintf(exp
,size
,"AUTH: at (enc)");
543 MifareAuthState
= masAuthComplete
;
544 AuthData
.at_enc
= bytes_to_num(cmd
, 4);
545 AuthData
.at_enc_par
= parity
[0];
548 MifareAuthState
= masError
;
555 if (!isResponse
&& ((MifareAuthState
== masNone
) || (MifareAuthState
== masError
)))
556 annotateIso14443a(exp
, size
, cmd
, cmdsize
);
561 static uint64_t GetCrypto1ProbableKey(TAuthData
*ad
) {
562 struct Crypto1State
*revstate
= lfsr_recovery64(ad
->ks2
, ad
->ks3
);
563 lfsr_rollback_word(revstate
, 0, 0);
564 lfsr_rollback_word(revstate
, 0, 0);
565 lfsr_rollback_word(revstate
, ad
->nr_enc
, 1);
566 lfsr_rollback_word(revstate
, ad
->uid
^ ad
->nt
, 0);
569 crypto1_get_lfsr(revstate
, &lfsr
);
570 crypto1_destroy(revstate
);
576 static bool NTParityChk(TAuthData
*ad
, uint32_t ntx
) {
578 (oddparity8(ntx
>> 8 & 0xff) ^ (ntx
& 0x01) ^ ((ad
->nt_enc_par
>> 5) & 0x01) ^ (ad
->nt_enc
& 0x01)) ||
579 (oddparity8(ntx
>> 16 & 0xff) ^ (ntx
>> 8 & 0x01) ^ ((ad
->nt_enc_par
>> 6) & 0x01) ^ (ad
->nt_enc
>> 8 & 0x01)) ||
580 (oddparity8(ntx
>> 24 & 0xff) ^ (ntx
>> 16 & 0x01) ^ ((ad
->nt_enc_par
>> 7) & 0x01) ^ (ad
->nt_enc
>> 16 & 0x01))
584 uint32_t ar
= prng_successor(ntx
, 64);
586 (oddparity8(ar
>> 8 & 0xff) ^ (ar
& 0x01) ^ ((ad
->ar_enc_par
>> 5) & 0x01) ^ (ad
->ar_enc
& 0x01)) ||
587 (oddparity8(ar
>> 16 & 0xff) ^ (ar
>> 8 & 0x01) ^ ((ad
->ar_enc_par
>> 6) & 0x01) ^ (ad
->ar_enc
>> 8 & 0x01)) ||
588 (oddparity8(ar
>> 24 & 0xff) ^ (ar
>> 16 & 0x01) ^ ((ad
->ar_enc_par
>> 7) & 0x01) ^ (ad
->ar_enc
>> 16 & 0x01))
592 uint32_t at
= prng_successor(ntx
, 96);
594 (oddparity8(ar
& 0xff) ^ (at
>> 24 & 0x01) ^ ((ad
->ar_enc_par
>> 4) & 0x01) ^ (ad
->at_enc
>> 24 & 0x01)) ||
595 (oddparity8(at
>> 8 & 0xff) ^ (at
& 0x01) ^ ((ad
->at_enc_par
>> 5) & 0x01) ^ (ad
->at_enc
& 0x01)) ||
596 (oddparity8(at
>> 16 & 0xff) ^ (at
>> 8 & 0x01) ^ ((ad
->at_enc_par
>> 6) & 0x01) ^ (ad
->at_enc
>> 8 & 0x01)) ||
597 (oddparity8(at
>> 24 & 0xff) ^ (at
>> 16 & 0x01) ^ ((ad
->at_enc_par
>> 7) & 0x01) ^ (ad
->at_enc
>> 16 & 0x01))
605 static bool CheckCrypto1Parity(uint8_t *cmd_enc
, uint8_t cmdsize
, uint8_t *cmd
, uint8_t *parity_enc
) {
606 for (int i
= 0; i
< cmdsize
- 1; i
++) {
607 if (oddparity8(cmd
[i
]) ^ (cmd
[i
+ 1] & 0x01) ^ ((parity_enc
[i
/ 8] >> (7 - i
% 8)) & 0x01) ^ (cmd_enc
[i
+ 1] & 0x01))
615 static bool NestedCheckKey(uint64_t key
, TAuthData
*ad
, uint8_t *cmd
, uint8_t cmdsize
, uint8_t *parity
) {
616 uint8_t buf
[32] = {0};
617 struct Crypto1State
*pcs
;
622 pcs
= crypto1_create(key
);
623 uint32_t nt1
= crypto1_word(pcs
, ad
->nt_enc
^ ad
->uid
, 1) ^ ad
->nt_enc
;
624 uint32_t ar
= prng_successor(nt1
, 64);
625 uint32_t at
= prng_successor(nt1
, 96);
627 crypto1_word(pcs
, ad
->nr_enc
, 1);
628 // uint32_t nr1 = crypto1_word(pcs, ad->nr_enc, 1) ^ ad->nr_enc; // if needs deciphered nr
629 uint32_t ar1
= crypto1_word(pcs
, 0, 0) ^ ad
->ar_enc
;
630 uint32_t at1
= crypto1_word(pcs
, 0, 0) ^ ad
->at_enc
;
632 if (!(ar
== ar1
&& at
== at1
&& NTParityChk(ad
, nt1
))) {
633 crypto1_destroy(pcs
);
637 memcpy(buf
, cmd
, cmdsize
);
638 mf_crypto1_decrypt(pcs
, buf
, cmdsize
, 0);
640 crypto1_destroy(pcs
);
642 if (!CheckCrypto1Parity(cmd
, cmdsize
, buf
, parity
))
645 if(!CheckCrc14443(CRC_14443_A
, buf
, cmdsize
))
649 AuthData
.ks2
= AuthData
.ar_enc
^ ar
;
650 AuthData
.ks3
= AuthData
.at_enc
^ at
;
656 static bool DecodeMifareData(uint8_t *cmd
, uint8_t cmdsize
, uint8_t *parity
, bool isResponse
, uint8_t *mfData
, size_t *mfDataLen
) {
657 static struct Crypto1State
*traceCrypto1
;
658 static uint64_t mfLastKey
;
662 if (MifareAuthState
== masAuthComplete
) {
664 crypto1_destroy(traceCrypto1
);
668 MifareAuthState
= masFirstData
;
675 if (MifareAuthState
== masFirstData
) {
676 if (AuthData
.first_auth
) {
677 AuthData
.ks2
= AuthData
.ar_enc
^ prng_successor(AuthData
.nt
, 64);
678 AuthData
.ks3
= AuthData
.at_enc
^ prng_successor(AuthData
.nt
, 96);
680 mfLastKey
= GetCrypto1ProbableKey(&AuthData
);
681 PrintAndLog(" | * | key | probable key:%012"PRIx64
" Prng:%s ks2:%08x ks3:%08x | |",
683 validate_prng_nonce(AuthData
.nt
) ? "WEAK": "HARD",
687 AuthData
.first_auth
= false;
689 traceCrypto1
= lfsr_recovery64(AuthData
.ks2
, AuthData
.ks3
);
692 crypto1_destroy(traceCrypto1
);
696 // check last used key
698 if (NestedCheckKey(mfLastKey
, &AuthData
, cmd
, cmdsize
, parity
)) {
699 PrintAndLog(" | * | key | last used key:%012"PRIx64
" ks2:%08x ks3:%08x | |",
704 traceCrypto1
= lfsr_recovery64(AuthData
.ks2
, AuthData
.ks3
);
708 // check default keys
710 for (int defaultKeyCounter
= 0; defaultKeyCounter
< MifareDefaultKeysSize
; defaultKeyCounter
++){
711 if (NestedCheckKey(MifareDefaultKeys
[defaultKeyCounter
], &AuthData
, cmd
, cmdsize
, parity
)) {
712 PrintAndLog(" | * | key | default key:%012"PRIx64
" ks2:%08x ks3:%08x | |",
713 MifareDefaultKeys
[defaultKeyCounter
],
717 mfLastKey
= MifareDefaultKeys
[defaultKeyCounter
];
718 traceCrypto1
= lfsr_recovery64(AuthData
.ks2
, AuthData
.ks3
);
725 if (!traceCrypto1
&& validate_prng_nonce(AuthData
.nt
)) {
726 uint32_t ntx
= prng_successor(AuthData
.nt
, 90);
727 for (int i
= 0; i
< 16383; i
++) {
728 ntx
= prng_successor(ntx
, 1);
729 if (NTParityChk(&AuthData
, ntx
)){
731 uint32_t ks2
= AuthData
.ar_enc
^ prng_successor(ntx
, 64);
732 uint32_t ks3
= AuthData
.at_enc
^ prng_successor(ntx
, 96);
733 struct Crypto1State
*pcs
= lfsr_recovery64(ks2
, ks3
);
734 memcpy(mfData
, cmd
, cmdsize
);
735 mf_crypto1_decrypt(pcs
, mfData
, cmdsize
, 0);
737 crypto1_destroy(pcs
);
738 if (CheckCrypto1Parity(cmd
, cmdsize
, mfData
, parity
) && CheckCrc14443(CRC_14443_A
, mfData
, cmdsize
)) {
743 mfLastKey
= GetCrypto1ProbableKey(&AuthData
);
744 PrintAndLog(" | * | key | nested probable key:%012"PRIx64
" ks2:%08x ks3:%08x | |",
749 traceCrypto1
= lfsr_recovery64(AuthData
.ks2
, AuthData
.ks3
);
758 printf("hardnested not implemented. uid:%x nt:%x ar_enc:%x at_enc:%x\n", AuthData
.uid
, AuthData
.nt
, AuthData
.ar_enc
, AuthData
.at_enc
);
759 MifareAuthState
= masError
;
761 /* TOO SLOW( needs to have more strong filter. with this filter - aprox 4 mln tests
762 uint32_t t = msclock();
765 for (uint32_t i = 0; i < 0xFFFFFFFF; i++) {
766 if (NTParityChk(&AuthData, i)){
768 uint32_t ks2 = AuthData.ar_enc ^ prng_successor(i, 64);
769 uint32_t ks3 = AuthData.at_enc ^ prng_successor(i, 96);
770 struct Crypto1State *pcs = lfsr_recovery64(ks2, ks3);
778 printf("delta=%d n=%d ks2=%x ks3=%x \n", msclock() - t1 , n, ks2, ks3);
784 printf("delta=%d n=%d\n", msclock() - t, n);
791 MifareAuthState
= masData
;
794 if (MifareAuthState
== masData
&& traceCrypto1
) {
795 memcpy(mfData
, cmd
, cmdsize
);
796 mf_crypto1_decrypt(traceCrypto1
, mfData
, cmdsize
, 0);
797 *mfDataLen
= cmdsize
;
800 return *mfDataLen
> 0;
804 bool is_last_record(uint16_t tracepos
, uint8_t *trace
, uint16_t traceLen
)
806 return(tracepos
+ sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen
);
810 bool next_record_is_response(uint16_t tracepos
, uint8_t *trace
)
812 uint16_t next_records_datalen
= *((uint16_t *)(trace
+ tracepos
+ sizeof(uint32_t) + sizeof(uint16_t)));
814 return(next_records_datalen
& 0x8000);
818 bool merge_topaz_reader_frames(uint32_t timestamp
, uint32_t *duration
, uint16_t *tracepos
, uint16_t traceLen
, uint8_t *trace
, uint8_t *frame
, uint8_t *topaz_reader_command
, uint16_t *data_len
)
821 #define MAX_TOPAZ_READER_CMD_LEN 16
823 uint32_t last_timestamp
= timestamp
+ *duration
;
825 if ((*data_len
!= 1) || (frame
[0] == TOPAZ_WUPA
) || (frame
[0] == TOPAZ_REQA
)) return false;
827 memcpy(topaz_reader_command
, frame
, *data_len
);
829 while (!is_last_record(*tracepos
, trace
, traceLen
) && !next_record_is_response(*tracepos
, trace
)) {
830 uint32_t next_timestamp
= *((uint32_t *)(trace
+ *tracepos
));
831 *tracepos
+= sizeof(uint32_t);
832 uint16_t next_duration
= *((uint16_t *)(trace
+ *tracepos
));
833 *tracepos
+= sizeof(uint16_t);
834 uint16_t next_data_len
= *((uint16_t *)(trace
+ *tracepos
)) & 0x7FFF;
835 *tracepos
+= sizeof(uint16_t);
836 uint8_t *next_frame
= (trace
+ *tracepos
);
837 *tracepos
+= next_data_len
;
838 if ((next_data_len
== 1) && (*data_len
+ next_data_len
<= MAX_TOPAZ_READER_CMD_LEN
)) {
839 memcpy(topaz_reader_command
+ *data_len
, next_frame
, next_data_len
);
840 *data_len
+= next_data_len
;
841 last_timestamp
= next_timestamp
+ next_duration
;
844 *tracepos
= *tracepos
- next_data_len
- sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
847 uint16_t next_parity_len
= (next_data_len
-1)/8 + 1;
848 *tracepos
+= next_parity_len
;
851 *duration
= last_timestamp
- timestamp
;
857 uint16_t printTraceLine(uint16_t tracepos
, uint16_t traceLen
, uint8_t *trace
, uint8_t protocol
, bool showWaitCycles
, bool markCRCBytes
)
860 uint16_t data_len
, parity_len
;
862 uint8_t topaz_reader_command
[9];
863 uint32_t timestamp
, first_timestamp
, EndOfTransmissionTimestamp
;
864 char explanation
[30] = {0};
865 uint8_t mfData
[32] = {0};
866 size_t mfDataLen
= 0;
868 if (tracepos
+ sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen
) return traceLen
;
870 first_timestamp
= *((uint32_t *)(trace
));
871 timestamp
= *((uint32_t *)(trace
+ tracepos
));
874 duration
= *((uint16_t *)(trace
+ tracepos
));
876 data_len
= *((uint16_t *)(trace
+ tracepos
));
879 if (data_len
& 0x8000) {
885 parity_len
= (data_len
-1)/8 + 1;
887 if (tracepos
+ data_len
+ parity_len
> traceLen
) {
890 uint8_t *frame
= trace
+ tracepos
;
891 tracepos
+= data_len
;
892 uint8_t *parityBytes
= trace
+ tracepos
;
893 tracepos
+= parity_len
;
895 if (protocol
== TOPAZ
&& !isResponse
) {
896 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
898 if (merge_topaz_reader_frames(timestamp
, &duration
, &tracepos
, traceLen
, trace
, frame
, topaz_reader_command
, &data_len
)) {
899 frame
= topaz_reader_command
;
903 // adjust for different time scales
904 if (protocol
== ICLASS
|| protocol
== ISO_15693
) {
905 first_timestamp
*= 32;
910 //Check the CRC status
911 uint8_t crcStatus
= 2;
916 crcStatus
= iclass_CRC_check(isResponse
, frame
, data_len
);
920 crcStatus
= iso14443B_CRC_check(isResponse
, frame
, data_len
);
923 crcStatus
= mifare_CRC_check(isResponse
, frame
, data_len
);
926 crcStatus
= iso14443A_CRC_check(isResponse
, frame
, data_len
);
929 crcStatus
= iso14443_4_CRC_check(frame
, data_len
);
932 crcStatus
= iso15693_CRC_check(frame
, data_len
);
938 //0 CRC-command, CRC not ok
939 //1 CRC-command, CRC ok
942 //--- Draw the data column
945 for (int j
= 0; j
< data_len
&& j
/16 < 16; j
++) {
946 uint8_t parityBits
= parityBytes
[j
>>3];
947 if (protocol
!= ISO_14443B
948 && protocol
!= ISO_15693
949 && protocol
!= ICLASS
950 && protocol
!= ISO_7816_4
951 && (isResponse
|| protocol
== ISO_14443A
)
952 && (oddparity8(frame
[j
]) != ((parityBits
>> (7-(j
&0x0007))) & 0x01))) {
953 snprintf(line
[j
/16]+(( j
% 16) * 4), 110, " %02x!", frame
[j
]);
955 snprintf(line
[j
/16]+(( j
% 16) * 4), 110, " %02x ", frame
[j
]);
960 if (crcStatus
== 0 || crcStatus
== 1) { //CRC-command
961 char *pos1
= line
[(data_len
-2)/16]+(((data_len
-2) % 16) * 4);
963 char *pos2
= line
[(data_len
)/16]+(((data_len
) % 16) * 4);
964 sprintf(pos2
, "%c", ']');
968 // mark short bytes (less than 8 Bit + Parity)
969 if (protocol
== ISO_14443A
|| protocol
== PROTO_MIFARE
) {
970 if (duration
< 128 * (9 * data_len
)) {
971 line
[(data_len
-1)/16][((data_len
-1)%16) * 4 + 3] = '\'';
976 sprintf(line
[0]," <empty trace - possible error>");
979 //--- Draw the CRC column
980 char *crc
= (crcStatus
== 0 ? "!crc" : (crcStatus
== 1 ? " ok " : " "));
982 EndOfTransmissionTimestamp
= timestamp
+ duration
;
984 if (protocol
== PROTO_MIFARE
)
985 annotateMifare(explanation
, sizeof(explanation
), frame
, data_len
, parityBytes
, parity_len
, isResponse
);
989 case ICLASS
: annotateIclass(explanation
,sizeof(explanation
),frame
,data_len
); break;
990 case ISO_14443A
: annotateIso14443a(explanation
,sizeof(explanation
),frame
,data_len
); break;
991 case ISO_14443B
: annotateIso14443b(explanation
,sizeof(explanation
),frame
,data_len
); break;
992 case TOPAZ
: annotateTopaz(explanation
,sizeof(explanation
),frame
,data_len
); break;
993 case ISO_15693
: annotateIso15693(explanation
,sizeof(explanation
),frame
,data_len
); break;
994 case ISO_7816_4
: annotateIso7816(explanation
, sizeof(explanation
), frame
, data_len
); break;
995 case ISO_14443_4
: annotateIso14443_4(explanation
, sizeof(explanation
), frame
, data_len
); break;
1000 int num_lines
= MIN((data_len
- 1)/16 + 1, 16);
1001 for (int j
= 0; j
< num_lines
; j
++) {
1003 PrintAndLog(" %10" PRIu32
" | %10" PRIu32
" | %s |%-64s | %s| %s",
1004 (timestamp
- first_timestamp
),
1005 (EndOfTransmissionTimestamp
- first_timestamp
),
1006 (isResponse
? "Tag" : "Rdr"),
1008 (j
== num_lines
-1) ? crc
: " ",
1009 (j
== num_lines
-1) ? explanation
: "");
1011 PrintAndLog(" | | |%-64s | %s| %s",
1013 (j
== num_lines
-1) ? crc
: " ",
1014 (j
== num_lines
-1) ? explanation
: "");
1018 if (DecodeMifareData(frame
, data_len
, parityBytes
, isResponse
, mfData
, &mfDataLen
)) {
1019 memset(explanation
, 0x00, sizeof(explanation
));
1021 explanation
[0] = '>';
1022 annotateIso14443a(&explanation
[1], sizeof(explanation
) - 1, mfData
, mfDataLen
);
1024 uint8_t crcc
= iso14443A_CRC_check(isResponse
, mfData
, mfDataLen
);
1025 PrintAndLog(" | * | dec |%-64s | %-4s| %s",
1026 sprint_hex(mfData
, mfDataLen
),
1027 (crcc
== 0 ? "!crc" : (crcc
== 1 ? " ok " : " ")),
1028 (true) ? explanation
: "");
1031 if (is_last_record(tracepos
, trace
, traceLen
)) return traceLen
;
1033 if (showWaitCycles
&& !isResponse
&& next_record_is_response(tracepos
, trace
)) {
1034 uint32_t next_timestamp
= *((uint32_t *)(trace
+ tracepos
));
1035 // adjust for different time scales
1036 if (protocol
== ICLASS
|| protocol
== ISO_15693
) {
1037 next_timestamp
*= 32;
1040 PrintAndLog(" %10d | %10d | %s | fdt (Frame Delay Time): %d",
1041 (EndOfTransmissionTimestamp
- first_timestamp
),
1042 (next_timestamp
- first_timestamp
),
1044 (next_timestamp
- EndOfTransmissionTimestamp
));
1051 int CmdHFList(const char *Cmd
)
1053 bool showWaitCycles
= false;
1054 bool markCRCBytes
= false;
1055 bool loadFromFile
= false;
1056 bool PCSCtrace
= false;
1057 bool saveToFile
= false;
1062 char type
[40] = {0};
1063 char filename
[FILE_PATH_SIZE
] = {0};
1064 uint8_t protocol
= 0;
1066 // parse command line
1067 int tlen
= param_getstr(Cmd
, 0, type
, sizeof(type
));
1068 if (param_getlength(Cmd
, 1) == 1) {
1069 param1
= param_getchar(Cmd
, 1);
1071 param_getstr(Cmd
, 1, filename
, sizeof(filename
));
1073 if (param_getlength(Cmd
, 2) == 1) {
1074 param2
= param_getchar(Cmd
, 2);
1075 } else if (strlen(filename
) == 0) {
1076 param_getstr(Cmd
, 2, filename
, sizeof(filename
));
1078 if (param_getlength(Cmd
, 3) == 1) {
1079 param3
= param_getchar(Cmd
, 3);
1080 } else if (strlen(filename
) == 0) {
1081 param_getstr(Cmd
, 3, filename
, sizeof(filename
));
1083 if (param_getlength(Cmd
, 4) == 1) {
1084 param4
= param_getchar(Cmd
, 4);
1085 } else if (strlen(filename
) == 0) {
1086 param_getstr(Cmd
, 4, filename
, sizeof(filename
));
1090 bool errors
= false;
1097 || (param1
!= 0 && param1
!= 'f' && param1
!= 'c' && param1
!= 'l' && param1
!= 'p')
1098 || (param2
!= 0 && param2
!= 'f' && param2
!= 'c' && param2
!= 'l' && param1
!= 'p')
1099 || (param3
!= 0 && param3
!= 'f' && param3
!= 'c' && param3
!= 'l' && param1
!= 'p')
1100 || (param4
!= 0 && param4
!= 'f' && param4
!= 'c' && param4
!= 'l' && param4
!= 'p')) {
1105 if (strcmp(type
, "iclass") == 0) protocol
= ICLASS
;
1106 else if(strcmp(type
, "14a") == 0) protocol
= ISO_14443A
;
1107 else if(strcmp(type
, "mf") == 0) protocol
= PROTO_MIFARE
;
1108 else if(strcmp(type
, "14b") == 0) protocol
= ISO_14443B
;
1109 else if(strcmp(type
, "topaz") == 0) protocol
= TOPAZ
;
1110 else if(strcmp(type
, "7816") == 0) protocol
= ISO_7816_4
;
1111 else if(strcmp(type
, "14-4") == 0) protocol
= ISO_14443_4
;
1112 else if(strcmp(type
, "15") == 0) protocol
= ISO_15693
;
1113 else if(strcmp(type
, "raw") == 0) protocol
= -1;//No crc, no annotations
1114 else if (strcmp(type
, "save") == 0) saveToFile
= true;
1118 if (param1
== 'f' || param2
== 'f' || param3
== 'f' || param4
== 'f') {
1119 showWaitCycles
= true;
1122 if (param1
== 'c' || param2
== 'c' || param3
== 'c' || param4
== 'c') {
1123 markCRCBytes
= true;
1126 if (param1
== 'l' || param2
== 'l' || param3
== 'l' || param4
== 'l') {
1127 loadFromFile
= true;
1130 if (param1
== 'p' || param2
== 'p' || param3
== 'p' || param4
== 'p') {
1134 if ((loadFromFile
|| saveToFile
) && strlen(filename
) == 0) {
1138 if (loadFromFile
&& saveToFile
) {
1143 PrintAndLog("List or save protocol data.");
1144 PrintAndLog("Usage: hf list <protocol> [f] [c] [p] [l <filename>]");
1145 PrintAndLog(" hf list save <filename>");
1146 PrintAndLog(" f - show frame delay times as well");
1147 PrintAndLog(" c - mark CRC bytes");
1148 PrintAndLog(" p - use trace buffer from PCSC card reader instead of PM3");
1149 PrintAndLog(" l - load data from file instead of trace buffer");
1150 PrintAndLog(" save - save data to file");
1151 PrintAndLog("Supported <protocol> values:");
1152 PrintAndLog(" raw - just show raw data without annotations");
1153 PrintAndLog(" 14a - interpret data as iso14443a communications");
1154 PrintAndLog(" mf - interpret data as iso14443a communications and decrypt crypto1 stream");
1155 PrintAndLog(" 14b - interpret data as iso14443b communications");
1156 PrintAndLog(" 15 - interpret data as iso15693 communications");
1157 PrintAndLog(" iclass - interpret data as iclass communications");
1158 PrintAndLog(" topaz - interpret data as topaz communications");
1159 PrintAndLog(" 7816 - interpret data as 7816-4 APDU communications");
1160 PrintAndLog(" 14-4 - interpret data as ISO14443-4 communications");
1162 PrintAndLog("example: hf list 14a f");
1163 PrintAndLog("example: hf list iclass");
1164 PrintAndLog("example: hf list save myCardTrace.trc");
1165 PrintAndLog("example: hf list 14a l myCardTrace.trc");
1171 uint32_t tracepos
= 0;
1172 uint32_t traceLen
= 0;
1175 #define TRACE_CHUNK_SIZE (1<<16) // 64K to start with. Will be enough for BigBuf and some room for future extensions
1176 FILE *tracefile
= NULL
;
1178 trace
= malloc(TRACE_CHUNK_SIZE
);
1179 if (trace
== NULL
) {
1180 PrintAndLog("Cannot allocate memory for trace");
1183 if ((tracefile
= fopen(filename
,"rb")) == NULL
) {
1184 PrintAndLog("Could not open file %s", filename
);
1188 while (!feof(tracefile
)) {
1189 bytes_read
= fread(trace
+traceLen
, 1, TRACE_CHUNK_SIZE
, tracefile
);
1190 traceLen
+= bytes_read
;
1191 if (!feof(tracefile
)) {
1192 uint8_t *p
= realloc(trace
, traceLen
+ TRACE_CHUNK_SIZE
);
1194 PrintAndLog("Cannot allocate memory for trace");
1203 } else if (PCSCtrace
) {
1204 trace
= pcsc_get_trace_addr();
1205 traceLen
= pcsc_get_traceLen();
1207 trace
= malloc(USB_CMD_DATA_SIZE
);
1208 // Query for the size of the trace
1209 UsbCommand response
;
1210 GetFromBigBuf(trace
, USB_CMD_DATA_SIZE
, 0, &response
, -1, false);
1211 traceLen
= response
.arg
[2];
1212 if (traceLen
> USB_CMD_DATA_SIZE
) {
1213 uint8_t *p
= realloc(trace
, traceLen
);
1215 PrintAndLog("Cannot allocate memory for trace");
1220 GetFromBigBuf(trace
, traceLen
, 0, NULL
, -1, false);
1225 FILE *tracefile
= NULL
;
1226 if ((tracefile
= fopen(filename
,"wb")) == NULL
) {
1227 PrintAndLog("Could not create file %s", filename
);
1230 fwrite(trace
, 1, traceLen
, tracefile
);
1231 PrintAndLog("Recorded Activity (TraceLen = %d bytes) written to file %s", traceLen
, filename
);
1234 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen
);
1236 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
1237 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
1238 PrintAndLog("iClass - Timings are not as accurate");
1240 PrintAndLog(" Start | End | Src | Data (! denotes parity error, ' denotes short bytes) | CRC | Annotation |");
1241 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
1244 while(tracepos
< traceLen
)
1246 tracepos
= printTraceLine(tracepos
, traceLen
, trace
, protocol
, showWaitCycles
, markCRCBytes
);