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fix ATR length (#790)
[proxmark3-svn] / client / cmdhflist.c
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4f131b53 1//-----------------------------------------------------------------------------
0d2624a0 2// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
4f131b53 3// Copyright (C) Merlok - 2017
4//
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
7// the license.
8//-----------------------------------------------------------------------------
0d2624a0 9// Command: hf list. It shows data from arm buffer.
4f131b53 10//-----------------------------------------------------------------------------
11
12#include "cmdhflist.h"
13
14#include <stdlib.h>
15#include <stdio.h>
16#include <string.h>
6612a5a2 17#include <stdint.h>
18#include <stdbool.h>
19#include "util.h"
6612a5a2 20#include "ui.h"
0d2624a0 21#include "comms.h"
6612a5a2 22#include "iso14443crc.h"
0d2624a0 23#include "iso15693tools.h"
6612a5a2 24#include "parity.h"
25#include "protocols.h"
7b215d14
OM		 26#include "crapto1/crapto1.h"
27#include "mifarehost.h"
c6a886fb 28#include "mifaredefault.h"
0d2624a0 29#include "usb_cmd.h"
53fb848a 30#include "pcsc.h"
4f131b53 31
0d2624a0 32typedef struct {
33 uint32_t uid; // UID
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
53fb848a 43 uint32_t ks2; // ar ^ ar_enc
0d2624a0 44 uint32_t ks3; // at ^ at_enc
45} TAuthData;
4f131b53 46
6612a5a2 47enum MifareAuthSeq {
48 masNone,
49 masNt,
50 masNrAr,
51 masAt,
747885a6 52 masAuthComplete,
aadc6bf1 53 masFirstData,
6612a5a2 54 masData,
6612a5a2 55 masError,
56};
0d2624a0 57
6612a5a2 58static enum MifareAuthSeq MifareAuthState;
aadc6bf1
OM		 59static TAuthData AuthData;
60
0d2624a0 61static void ClearAuthData() {
aadc6bf1
OM		 62 AuthData.uid = 0;
63 AuthData.nt = 0;
7b215d14 64 AuthData.first_auth = true;
e01bc794
OM		 65 AuthData.ks2 = 0;
66 AuthData.ks3 = 0;
aadc6bf1 67}
6612a5a2 68
69/**
70 * @brief iso14443A_CRC_check Checks CRC in command or response
71 * @param isResponse
72 * @param data
73 * @param len
74 * @return 0 : CRC-command, CRC not ok
75 * 1 : CRC-command, CRC ok
76 * 2 : Not crc-command
77 */
0d2624a0 78static uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
6612a5a2 79{
80 uint8_t b1,b2;
81
82 if(len <= 2) return 2;
83
84 if(isResponse & (len < 6)) return 2;
53fb848a 85
86 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
87 if (b1 != data[len-2] || b2 != data[len-1]) {
88 return 0;
89 } else {
90 return 1;
91 }
92}
93
94
95static uint8_t iso14443_4_CRC_check(uint8_t* data, uint8_t len)
96{
97 uint8_t b1,b2;
98
99 if(len <= 2) return 2;
100
6612a5a2 101 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
102 if (b1 != data[len-2] || b2 != data[len-1]) {
103 return 0;
104 } else {
105 return 1;
106 }
107}
108
0d2624a0 109
110static uint8_t mifare_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
6612a5a2 111{
112 switch(MifareAuthState) {
113 case masNone:
6612a5a2 114 case masError:
115 return iso14443A_CRC_check(isResponse, data, len);
116 default:
117 return 2;
118 }
6612a5a2 119}
120
0d2624a0 121
122/**
123 * @brief iso14443B_CRC_check Checks CRC in command or response
124 * @param isResponse
125 * @param data
126 * @param len
127 * @return 0 : CRC-command, CRC not ok
128 * 1 : CRC-command, CRC ok
129 * 2 : Not crc-command
130 */
131static uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
132{
133 uint8_t b1,b2;
134
135 if(len <= 2) return 2;
136
137 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
138 if(b1 != data[len-2] || b2 != data[len-1]) {
139 return 0;
140 } else {
141 return 1;
142 }
143}
144
145
53fb848a 146static uint8_t iso15693_CRC_check(uint8_t* d, uint16_t n)
0d2624a0 147{
148 if (n <= 2) return 2;
53fb848a 149
0d2624a0 150 return (Iso15693Crc(d, n) == ISO15693_CRC_CHECK ? 1 : 0);
151}
152
153
154/**
155 * @brief iclass_CRC_Ok Checks CRC in command or response
156 * @param isResponse
157 * @param data
158 * @param len
159 * @return 0 : CRC-command, CRC not ok
53fb848a 160 * 1 : CRC-command, CRC ok
0d2624a0 161 * 2 : Not crc-command
162 */
163uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
164{
165 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
166
167 uint8_t b1, b2;
168
169 if(!isResponse)//Commands to tag
170 {
171 /**
172 These commands should have CRC. Total length leftmost
53fb848a 173 4 READ
0d2624a0 174 4 READ4
175 12 UPDATE - unsecured, ends with CRC16
176 14 UPDATE - secured, ends with signature instead
177 4 PAGESEL
178 **/
179 if(len == 4 || len == 12)//Covers three of them
180 {
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];
184 }
185 return 2;
186 }else{
187 /**
188 These tag responses should have CRC. Total length leftmost
189
53fb848a 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]
0d2624a0 194 10 IDENTIFY asnb[8] crc[2]
195 10 PAGESEL block1[8] crc[2]
196 10 DETECT csn[8] crc[2]
197
198 These should not
199
53fb848a 200 4 CHECK chip_response[4]
0d2624a0 201 8 READCHECK data[8]
202 1 ACTALL sof[1]
53fb848a 203 1 ACT sof[1]
0d2624a0 204
205 In conclusion, without looking at the command; any response
206 of length 10 or 34 should have CRC
207 **/
208 if(len != 10 && len != 34) return true;
209
210 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
211 return b1 == data[len -2] && b2 == data[len-1];
212 }
213}
214
215
868deeb7 216void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
217{
218 switch(cmd[0])
219 {
220 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
221 case ICLASS_CMD_READ_OR_IDENTIFY:{
222 if(cmdsize > 1){
223 snprintf(exp,size,"READ(%d)",cmd[1]);
224 }else{
225 snprintf(exp,size,"IDENTIFY");
226 }
227 break;
228 }
229 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
230 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
231 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
232 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
233 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
234 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
235 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
236 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
237 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
238 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
239 default: snprintf(exp,size,"?"); break;
240 }
241 return;
242}
243
0d2624a0 244
868deeb7 245void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
246{
0d2624a0 247 switch(cmd[1]){
248 // Mandatory Commands, all Tags must support them:
53fb848a 249 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");return;
250 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");return;
0d2624a0 251 // Optional Commands, Tags may support them:
53fb848a 252 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");return;
253 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");return;
254 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");return;
255 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");return;
256 case ISO15693_SELECT :snprintf(exp, size, "SELECT");return;
257 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");return;
258 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");return;
259 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");return;
260 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");return;
261 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");return;
262 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");return;
263 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");return;
0d2624a0 264 default: break;
868deeb7 265 }
0d2624a0 266
267 if (cmd[1] > ISO15693_STAYQUIET && cmd[1] < ISO15693_READBLOCK) snprintf(exp, size, "Mandatory RFU");
53fb848a 268 else if (cmd[1] > ISO15693_READ_MULTI_SECSTATUS && cmd[1] <= 0x9F) snprintf(exp, size, "Optional RFU");
269 else if ( cmd[1] >= 0xA0 && cmd[1] <= 0xDF ) snprintf(exp, size, "Custom command");
270 else if ( cmd[1] >= 0xE0 && cmd[1] <= 0xFF ) snprintf(exp, size, "Proprietary command");
868deeb7 271}
272
273
274void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
275{
276 switch(cmd[0]) {
53fb848a 277 case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
278 case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
279 case TOPAZ_RID :snprintf(exp, size, "RID");break;
280 case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
281 case TOPAZ_READ :snprintf(exp, size, "READ");break;
282 case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
283 case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
284 case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
285 case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
286 case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
287 case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
868deeb7 288 default: snprintf(exp,size,"?"); break;
289 }
290}
291
292
53fb848a 293void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
294{
295 switch ( cmd[1] ){
296 case ISO7816_READ_BINARY :snprintf(exp, size, "READ BINARY");break;
297 case ISO7816_WRITE_BINARY :snprintf(exp, size, "WRITE BINARY");break;
298 case ISO7816_UPDATE_BINARY :snprintf(exp, size, "UPDATE BINARY");break;
299 case ISO7816_ERASE_BINARY :snprintf(exp, size, "ERASE BINARY");break;
300 case ISO7816_READ_RECORDS :snprintf(exp, size, "READ RECORD(S)");break;
301 case ISO7816_WRITE_RECORD :snprintf(exp, size, "WRITE RECORD");break;
302 case ISO7816_APPEND_RECORD :snprintf(exp, size, "APPEND RECORD");break;
303 case ISO7816_UPDATE_DATA :snprintf(exp, size, "UPDATE DATA");break;
304 case ISO7816_GET_DATA :snprintf(exp, size, "GET DATA");break;
305 case ISO7816_PUT_DATA :snprintf(exp, size, "PUT DATA");break;
306 case ISO7816_SELECT_FILE :snprintf(exp, size, "SELECT FILE");break;
307 case ISO7816_VERIFY :snprintf(exp, size, "VERIFY");break;
308 case ISO7816_INTERNAL_AUTHENTICATE :snprintf(exp, size, "INTERNAL AUTHENTICATE");break;
309 case ISO7816_EXTERNAL_AUTHENTICATE :snprintf(exp, size, "EXTERNAL AUTHENTICATE");break;
310 case ISO7816_GET_CHALLENGE :snprintf(exp, size, "GET CHALLENGE");break;
311 case ISO7816_MANAGE_CHANNEL :snprintf(exp, size, "MANAGE CHANNEL");break;
312 case ISO7816_GET_RESPONSE :snprintf(exp, size, "GET RESPONSE");break;
313 case ISO7816_ENVELOPE :snprintf(exp, size, "ENVELOPE");break;
314 case ISO7816_GET_PROCESSING_OPTIONS :snprintf(exp, size, "GET PROCESSING OPTIONS");break;
315 default :snprintf(exp,size,"?"); break;
316 }
317}
318
319
320void annotateIso14443_4(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
321 // S-block
322 if ((cmd[0] & 0xc3) == 0xc2) {
323 switch (cmd[0] & 0x30) {
324 case 0x00 : snprintf(exp, size, "S-block DESELECT"); break;
325 case 0x30 : snprintf(exp, size, "S-block WTX"); break;
326 default : snprintf(exp, size, "S-block (RFU)"); break;
327 }
328 }
329 // R-block (ack)
330 else if ((cmd[0] & 0xe0) == 0xa0) {
331 if ((cmd[0] & 0x10) == 0)
332 snprintf(exp, size, "R-block ACK");
333 else
334 snprintf(exp, size, "R-block NACK");
335 }
336 // I-block
337 else {
338 int pos = 1;
339 switch (cmd[0] & 0x0c) {
340 case 0x08: // CID following
341 case 0x04: // NAD following
342 pos = 2;
343 break;
344 case 0x0c: // CID and NAD following
345 pos = 3;
346 break;
347 default:
348 pos = 1; // no CID, no NAD
349 break;
350 }
351 annotateIso7816(exp, size, &cmd[pos], cmdsize-pos);
352 }
353}
354
355
868deeb7 356/**
35706 00 = INITIATE
3580E xx = SELECT ID (xx = Chip-ID)
3590B = Get UID
36008 yy = Read Block (yy = block number)
36109 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
3620C = Reset to Inventory
3630F = Completion
3640A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
365**/
366
367void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
368{
369 switch(cmd[0]){
370 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
371 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
372 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
373 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
374 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
375 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
376 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
377 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
378 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
379 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
380 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
381 default : snprintf(exp,size ,"?");break;
382 }
383
384}
385
6612a5a2 386void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
387{
388 switch(cmd[0])
389 {
53fb848a 390 case ISO14443A_CMD_WUPA:
391 snprintf(exp,size,"WUPA");
a31f7f89 392 break;
6612a5a2 393 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
394 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
395 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
396 if(cmd[1] == 0x70)
397 {
398 snprintf(exp,size,"SELECT_UID"); break;
399 }else
400 {
401 snprintf(exp,size,"ANTICOLL"); break;
402 }
403 }
404 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
405 //95 20 = Anticollision of cascade level2
406 //95 70 = Select of cascade level2
407 if(cmd[2] == 0x70)
408 {
409 snprintf(exp,size,"SELECT_UID-2"); break;
410 }else
411 {
412 snprintf(exp,size,"ANTICOLL-2"); break;
413 }
414 }
53fb848a 415 case ISO14443A_CMD_REQA:
416 snprintf(exp,size,"REQA");
a31f7f89 417 break;
53fb848a 418 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
419 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
420 case ISO14443A_CMD_HALT:
421 snprintf(exp,size,"HALT");
6612a5a2 422 MifareAuthState = masNone;
423 break;
53fb848a 424 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
425 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
426 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
427 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
428 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
6612a5a2 429 case MIFARE_AUTH_KEYA:
430 if ( cmdsize > 3) {
53fb848a 431 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
6612a5a2 432 MifareAuthState = masNt;
433 } else {
53fb848a 434 // case MIFARE_ULEV1_VERSION : both 0x60.
6612a5a2 435 snprintf(exp,size,"EV1 VERSION");
436 }
437 break;
438 case MIFARE_AUTH_KEYB:
439 MifareAuthState = masNt;
53fb848a 440 snprintf(exp,size,"AUTH-B(%d)",cmd[1]);
6612a5a2 441 break;
53fb848a 442 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
443 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
444 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
445 case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break;
446 case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break;
6612a5a2 447 case MIFARE_ULEV1_AUTH:
448 if ( cmdsize == 7 )
449 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
450 else
451 snprintf(exp,size,"PWD-AUTH");
452 break;
453 case MIFARE_ULEV1_FASTREAD:{
454 if ( cmdsize >=3 && cmd[2] <= 0xE6)
53fb848a 455 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
6612a5a2 456 else
457 snprintf(exp,size,"?");
458 break;
459 }
460 case MIFARE_ULC_WRITE:{
461 if ( cmd[1] < 0x21 )
53fb848a 462 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
6612a5a2 463 else
464 snprintf(exp,size,"?");
465 break;
466 }
467 case MIFARE_ULEV1_READ_CNT:{
468 if ( cmd[1] < 5 )
469 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
470 else
471 snprintf(exp,size,"?");
472 break;
473 }
474 case MIFARE_ULEV1_INCR_CNT:{
475 if ( cmd[1] < 5 )
476 snprintf(exp,size,"INCR(%d)",cmd[1]);
477 else
478 snprintf(exp,size,"?");
479 break;
480 }
53fb848a 481 case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break;
482 case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
483 case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break;
484 default: snprintf(exp,size,"?"); break;
6612a5a2 485 }
486 return;
487}
488
b957bcd3 489void annotateMifare(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize, uint8_t* parity, uint8_t paritysize, bool isResponse) {
2d7bdee3 490 if (!isResponse && cmdsize == 1) {
491 switch(cmd[0]) {
53fb848a 492 case ISO14443A_CMD_WUPA:
493 case ISO14443A_CMD_REQA:
2d7bdee3 494 MifareAuthState = masNone;
495 break;
496 default:
497 break;
498 }
499 }
53fb848a 500
aadc6bf1
OM		 501 // get UID
502 if (MifareAuthState == masNone) {
7b215d14 503 if (cmdsize == 9 && cmd[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT && cmd[1] == 0x70) {
aadc6bf1
OM		 504 ClearAuthData();
505 AuthData.uid = bytes_to_num(&cmd[2], 4);
506 }
7b215d14 507 if (cmdsize == 9 && cmd[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT_2 && cmd[1] == 0x70) {
aadc6bf1
OM		 508 ClearAuthData();
509 AuthData.uid = bytes_to_num(&cmd[2], 4);
510 }
511 }
53fb848a 512
6612a5a2 513 switch(MifareAuthState) {
514 case masNt:
fb30f5a1 515 if (cmdsize == 4 && isResponse) {
aadc6bf1 516 snprintf(exp,size,"AUTH: nt %s", (AuthData.first_auth) ? "" : "(enc)");
6612a5a2 517 MifareAuthState = masNrAr;
079563a0 518 if (AuthData.first_auth) {
7b215d14 519 AuthData.nt = bytes_to_num(cmd, 4);
079563a0 520 } else {
7b215d14 521 AuthData.nt_enc = bytes_to_num(cmd, 4);
b957bcd3 522 AuthData.nt_enc_par = parity[0];
079563a0 523 }
6612a5a2 524 return;
525 } else {
526 MifareAuthState = masError;
6612a5a2 527 }
528 break;
529 case masNrAr:
fb30f5a1 530 if (cmdsize == 8 && !isResponse) {
6c30a244 531 snprintf(exp,size,"AUTH: nr ar (enc)");
6612a5a2 532 MifareAuthState = masAt;
7b215d14
OM		 533 AuthData.nr_enc = bytes_to_num(cmd, 4);
534 AuthData.ar_enc = bytes_to_num(&cmd[4], 4);
b957bcd3 535 AuthData.ar_enc_par = parity[0] << 4;
6612a5a2 536 return;
537 } else {
538 MifareAuthState = masError;
539 }
540 break;
541 case masAt:
fb30f5a1 542 if (cmdsize == 4 && isResponse) {
6c30a244 543 snprintf(exp,size,"AUTH: at (enc)");
747885a6 544 MifareAuthState = masAuthComplete;
7b215d14 545 AuthData.at_enc = bytes_to_num(cmd, 4);
b957bcd3 546 AuthData.at_enc_par = parity[0];
6612a5a2 547 return;
548 } else {
549 MifareAuthState = masError;
550 }
551 break;
552 default:
553 break;
554 }
53fb848a 555
747885a6 556 if (!isResponse && ((MifareAuthState == masNone) || (MifareAuthState == masError)))
6612a5a2 557 annotateIso14443a(exp, size, cmd, cmdsize);
53fb848a 558
6612a5a2 559}
7b215d14 560
0d2624a0 561
562static uint64_t GetCrypto1ProbableKey(TAuthData *ad) {
563 struct Crypto1State *revstate = lfsr_recovery64(ad->ks2, ad->ks3);
564 lfsr_rollback_word(revstate, 0, 0);
565 lfsr_rollback_word(revstate, 0, 0);
566 lfsr_rollback_word(revstate, ad->nr_enc, 1);
567 lfsr_rollback_word(revstate, ad->uid ^ ad->nt, 0);
568
569 uint64_t lfsr = 0;
570 crypto1_get_lfsr(revstate, &lfsr);
571 crypto1_destroy(revstate);
53fb848a 572
0d2624a0 573 return lfsr;
574}
575
576
577static bool NTParityChk(TAuthData *ad, uint32_t ntx) {
578 if (
579 (oddparity8(ntx >> 8 & 0xff) ^ (ntx & 0x01) ^ ((ad->nt_enc_par >> 5) & 0x01) ^ (ad->nt_enc & 0x01)) ||
580 (oddparity8(ntx >> 16 & 0xff) ^ (ntx >> 8 & 0x01) ^ ((ad->nt_enc_par >> 6) & 0x01) ^ (ad->nt_enc >> 8 & 0x01)) ||
581 (oddparity8(ntx >> 24 & 0xff) ^ (ntx >> 16 & 0x01) ^ ((ad->nt_enc_par >> 7) & 0x01) ^ (ad->nt_enc >> 16 & 0x01))
582 )
583 return false;
53fb848a 584
0d2624a0 585 uint32_t ar = prng_successor(ntx, 64);
586 if (
587 (oddparity8(ar >> 8 & 0xff) ^ (ar & 0x01) ^ ((ad->ar_enc_par >> 5) & 0x01) ^ (ad->ar_enc & 0x01)) ||
588 (oddparity8(ar >> 16 & 0xff) ^ (ar >> 8 & 0x01) ^ ((ad->ar_enc_par >> 6) & 0x01) ^ (ad->ar_enc >> 8 & 0x01)) ||
589 (oddparity8(ar >> 24 & 0xff) ^ (ar >> 16 & 0x01) ^ ((ad->ar_enc_par >> 7) & 0x01) ^ (ad->ar_enc >> 16 & 0x01))
590 )
591 return false;
592
593 uint32_t at = prng_successor(ntx, 96);
594 if (
595 (oddparity8(ar & 0xff) ^ (at >> 24 & 0x01) ^ ((ad->ar_enc_par >> 4) & 0x01) ^ (ad->at_enc >> 24 & 0x01)) ||
596 (oddparity8(at >> 8 & 0xff) ^ (at & 0x01) ^ ((ad->at_enc_par >> 5) & 0x01) ^ (ad->at_enc & 0x01)) ||
597 (oddparity8(at >> 16 & 0xff) ^ (at >> 8 & 0x01) ^ ((ad->at_enc_par >> 6) & 0x01) ^ (ad->at_enc >> 8 & 0x01)) ||
598 (oddparity8(at >> 24 & 0xff) ^ (at >> 16 & 0x01) ^ ((ad->at_enc_par >> 7) & 0x01) ^ (ad->at_enc >> 16 & 0x01))
599 )
600 return false;
53fb848a 601
0d2624a0 602 return true;
603}
604
605
606static bool CheckCrypto1Parity(uint8_t *cmd_enc, uint8_t cmdsize, uint8_t *cmd, uint8_t *parity_enc) {
607 for (int i = 0; i < cmdsize - 1; i++) {
608 if (oddparity8(cmd[i]) ^ (cmd[i + 1] & 0x01) ^ ((parity_enc[i / 8] >> (7 - i % 8)) & 0x01) ^ (cmd_enc[i + 1] & 0x01))
609 return false;
610 }
53fb848a 611
0d2624a0 612 return true;
613}
614
615
616static bool NestedCheckKey(uint64_t key, TAuthData *ad, uint8_t *cmd, uint8_t cmdsize, uint8_t *parity) {
617 uint8_t buf[32] = {0};
618 struct Crypto1State *pcs;
53fb848a 619
0d2624a0 620 AuthData.ks2 = 0;
621 AuthData.ks3 = 0;
622
623 pcs = crypto1_create(key);
624 uint32_t nt1 = crypto1_word(pcs, ad->nt_enc ^ ad->uid, 1) ^ ad->nt_enc;
625 uint32_t ar = prng_successor(nt1, 64);
626 uint32_t at = prng_successor(nt1, 96);
627
628 crypto1_word(pcs, ad->nr_enc, 1);
53fb848a 629// uint32_t nr1 = crypto1_word(pcs, ad->nr_enc, 1) ^ ad->nr_enc; // if needs deciphered nr
0d2624a0 630 uint32_t ar1 = crypto1_word(pcs, 0, 0) ^ ad->ar_enc;
631 uint32_t at1 = crypto1_word(pcs, 0, 0) ^ ad->at_enc;
632
633 if (!(ar == ar1 && at == at1 && NTParityChk(ad, nt1))) {
634 crypto1_destroy(pcs);
635 return false;
636 }
637
638 memcpy(buf, cmd, cmdsize);
639 mf_crypto1_decrypt(pcs, buf, cmdsize, 0);
53fb848a 640
0d2624a0 641 crypto1_destroy(pcs);
53fb848a 642
0d2624a0 643 if (!CheckCrypto1Parity(cmd, cmdsize, buf, parity))
644 return false;
645
53fb848a 646 if(!CheckCrc14443(CRC_14443_A, buf, cmdsize))
0d2624a0 647 return false;
53fb848a 648
0d2624a0 649 AuthData.nt = nt1;
650 AuthData.ks2 = AuthData.ar_enc ^ ar;
651 AuthData.ks3 = AuthData.at_enc ^ at;
652
653 return true;
654}
655
656
657static bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isResponse, uint8_t *mfData, size_t *mfDataLen) {
53fb848a 658 static struct Crypto1State *traceCrypto1;
dca8220f 659 static uint64_t mfLastKey;
53fb848a 660
7b215d14 661 *mfDataLen = 0;
53fb848a 662
747885a6
OM		 663 if (MifareAuthState == masAuthComplete) {
664 if (traceCrypto1) {
665 crypto1_destroy(traceCrypto1);
0113dcf3 666 traceCrypto1 = NULL;
747885a6
OM		 667 }
668
669 MifareAuthState = masFirstData;
670 return false;
671 }
53fb848a 672
7b215d14
OM		 673 if (cmdsize > 32)
674 return false;
53fb848a 675
7b215d14
OM		 676 if (MifareAuthState == masFirstData) {
677 if (AuthData.first_auth) {
e01bc794
OM		 678 AuthData.ks2 = AuthData.ar_enc ^ prng_successor(AuthData.nt, 64);
679 AuthData.ks3 = AuthData.at_enc ^ prng_successor(AuthData.nt, 96);
0113dcf3 680
681 mfLastKey = GetCrypto1ProbableKey(&AuthData);
53fb848a 682 PrintAndLog(" | * | key | probable key:%012"PRIx64" Prng:%s ks2:%08x ks3:%08x | |",
0113dcf3 683 mfLastKey,
28ee794f 684 validate_prng_nonce(AuthData.nt) ? "WEAK": "HARD",
e01bc794
OM		 685 AuthData.ks2,
686 AuthData.ks3);
53fb848a 687
7b215d14 688 AuthData.first_auth = false;
747885a6 689
e01bc794 690 traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
7b215d14 691 } else {
0113dcf3 692 if (traceCrypto1) {
693 crypto1_destroy(traceCrypto1);
694 traceCrypto1 = NULL;
695 }
696
747885a6 697 // check last used key
45b4ac09 698 if (mfLastKey) {
2d7bdee3 699 if (NestedCheckKey(mfLastKey, &AuthData, cmd, cmdsize, parity)) {
53fb848a 700 PrintAndLog(" | * | key | last used key:%012"PRIx64" ks2:%08x ks3:%08x | |",
0113dcf3 701 mfLastKey,
2d7bdee3 702 AuthData.ks2,
703 AuthData.ks3);
704
705 traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
c6a886fb 706 };
747885a6 707 }
53fb848a 708
747885a6 709 // check default keys
45b4ac09 710 if (!traceCrypto1) {
7bea1581 711 for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){
2d7bdee3 712 if (NestedCheckKey(MifareDefaultKeys[defaultKeyCounter], &AuthData, cmd, cmdsize, parity)) {
53fb848a 713 PrintAndLog(" | * | key | default key:%012"PRIx64" ks2:%08x ks3:%08x | |",
0113dcf3 714 MifareDefaultKeys[defaultKeyCounter],
2d7bdee3 715 AuthData.ks2,
716 AuthData.ks3);
717
0113dcf3 718 mfLastKey = MifareDefaultKeys[defaultKeyCounter];
856da9a1 719 traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
7bea1581
OM		 720 break;
721 };
722 }
c6a886fb 723 }
53fb848a 724
747885a6 725 // nested
7bea1581 726 if (!traceCrypto1 && validate_prng_nonce(AuthData.nt)) {
53fb848a 727 uint32_t ntx = prng_successor(AuthData.nt, 90);
7bea1581
OM		 728 for (int i = 0; i < 16383; i++) {
729 ntx = prng_successor(ntx, 1);
730 if (NTParityChk(&AuthData, ntx)){
731
732 uint32_t ks2 = AuthData.ar_enc ^ prng_successor(ntx, 64);
733 uint32_t ks3 = AuthData.at_enc ^ prng_successor(ntx, 96);
734 struct Crypto1State *pcs = lfsr_recovery64(ks2, ks3);
735 memcpy(mfData, cmd, cmdsize);
736 mf_crypto1_decrypt(pcs, mfData, cmdsize, 0);
53fb848a 737
7bea1581 738 crypto1_destroy(pcs);
0113dcf3 739 if (CheckCrypto1Parity(cmd, cmdsize, mfData, parity) && CheckCrc14443(CRC_14443_A, mfData, cmdsize)) {
e01bc794
OM		 740 AuthData.ks2 = ks2;
741 AuthData.ks3 = ks3;
0113dcf3 742
743 AuthData.nt = ntx;
744 mfLastKey = GetCrypto1ProbableKey(&AuthData);
53fb848a 745 PrintAndLog(" | * | key | nested probable key:%012"PRIx64" ks2:%08x ks3:%08x | |",
0113dcf3 746 mfLastKey,
747 AuthData.ks2,
748 AuthData.ks3);
749
e01bc794 750 traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
7bea1581
OM		 751 break;
752 }
53fb848a 753 }
7bea1581 754 }
747885a6 755 }
53fb848a 756
747885a6 757 //hardnested
7bea1581 758 if (!traceCrypto1) {
2d7bdee3 759 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);
45b4ac09 760 MifareAuthState = masError;
761
762 /* TOO SLOW( needs to have more strong filter. with this filter - aprox 4 mln tests
763 uint32_t t = msclock();
764 uint32_t t1 = t;
765 int n = 0;
766 for (uint32_t i = 0; i < 0xFFFFFFFF; i++) {
767 if (NTParityChk(&AuthData, i)){
768
769 uint32_t ks2 = AuthData.ar_enc ^ prng_successor(i, 64);
770 uint32_t ks3 = AuthData.at_enc ^ prng_successor(i, 96);
771 struct Crypto1State *pcs = lfsr_recovery64(ks2, ks3);
772
773
774
775
776 n++;
777
778 if (!(n % 100000)) {
779 printf("delta=%d n=%d ks2=%x ks3=%x \n", msclock() - t1 , n, ks2, ks3);
780 t1 = msclock();
781 }
782
783 }
784 }
785 printf("delta=%d n=%d\n", msclock() - t, n);
786 */
7bea1581 787 }
7b215d14 788 }
53fb848a 789
790
791
7b215d14 792 MifareAuthState = masData;
7b215d14 793 }
53fb848a 794
747885a6
OM		 795 if (MifareAuthState == masData && traceCrypto1) {
796 memcpy(mfData, cmd, cmdsize);
797 mf_crypto1_decrypt(traceCrypto1, mfData, cmdsize, 0);
798 *mfDataLen = cmdsize;
7b215d14 799 }
53fb848a 800
7b215d14
OM		 801 return *mfDataLen > 0;
802}
803
0d2624a0 804
805bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
806{
807 return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
808}
809
810
811bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
812{
813 uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
53fb848a 814
0d2624a0 815 return(next_records_datalen & 0x8000);
816}
dca8220f 817
0d2624a0 818
819bool 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)
820{
821
53fb848a 822#define MAX_TOPAZ_READER_CMD_LEN 16
0d2624a0 823
824 uint32_t last_timestamp = timestamp + *duration;
825
826 if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
827
828 memcpy(topaz_reader_command, frame, *data_len);
829
830 while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
831 uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
832 *tracepos += sizeof(uint32_t);
833 uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
834 *tracepos += sizeof(uint16_t);
835 uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
836 *tracepos += sizeof(uint16_t);
837 uint8_t *next_frame = (trace + *tracepos);
838 *tracepos += next_data_len;
839 if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
840 memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
841 *data_len += next_data_len;
842 last_timestamp = next_timestamp + next_duration;
843 } else {
844 // rewind and exit
845 *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
846 break;
847 }
848 uint16_t next_parity_len = (next_data_len-1)/8 + 1;
849 *tracepos += next_parity_len;
850 }
851
852 *duration = last_timestamp - timestamp;
53fb848a 853
dca8220f
OM		 854 return true;
855}
856
0d2624a0 857
858uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
859{
860 bool isResponse;
861 uint16_t data_len, parity_len;
862 uint32_t duration;
863 uint8_t topaz_reader_command[9];
864 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
865 char explanation[30] = {0};
866 uint8_t mfData[32] = {0};
867 size_t mfDataLen = 0;
868
869 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
53fb848a 870
0d2624a0 871 first_timestamp = *((uint32_t *)(trace));
872 timestamp = *((uint32_t *)(trace + tracepos));
2d7bdee3 873
0d2624a0 874 tracepos += 4;
875 duration = *((uint16_t *)(trace + tracepos));
876 tracepos += 2;
877 data_len = *((uint16_t *)(trace + tracepos));
878 tracepos += 2;
2d7bdee3 879
0d2624a0 880 if (data_len & 0x8000) {
881 data_len &= 0x7fff;
882 isResponse = true;
883 } else {
884 isResponse = false;
885 }
886 parity_len = (data_len-1)/8 + 1;
dca8220f 887
0d2624a0 888 if (tracepos + data_len + parity_len > traceLen) {
889 return traceLen;
44964fd1 890 }
0d2624a0 891 uint8_t *frame = trace + tracepos;
892 tracepos += data_len;
893 uint8_t *parityBytes = trace + tracepos;
894 tracepos += parity_len;
dca8220f 895
0d2624a0 896 if (protocol == TOPAZ && !isResponse) {
897 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
898 // merge them:
899 if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
900 frame = topaz_reader_command;
901 }
902 }
53fb848a 903
0d2624a0 904 //Check the CRC status
905 uint8_t crcStatus = 2;
906
907 if (data_len > 2) {
908 switch (protocol) {
909 case ICLASS:
910 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
911 break;
912 case ISO_14443B:
913 case TOPAZ:
53fb848a 914 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
0d2624a0 915 break;
916 case PROTO_MIFARE:
917 crcStatus = mifare_CRC_check(isResponse, frame, data_len);
918 break;
919 case ISO_14443A:
920 crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
921 break;
53fb848a 922 case ISO_14443_4:
923 crcStatus = iso14443_4_CRC_check(frame, data_len);
924 break;
0d2624a0 925 case ISO_15693:
926 crcStatus = iso15693_CRC_check(frame, data_len);
927 break;
53fb848a 928 default:
0d2624a0 929 break;
930 }
931 }
932 //0 CRC-command, CRC not ok
933 //1 CRC-command, CRC ok
934 //2 Not crc-command
935
936 //--- Draw the data column
0d2624a0 937 char line[16][110];
938
939 for (int j = 0; j < data_len && j/16 < 16; j++) {
940
941 uint8_t parityBits = parityBytes[j>>3];
53fb848a 942 if (protocol != ISO_14443B
943 && protocol != ISO_15693
944 && protocol != ISO_7816_4
945 && (isResponse || protocol == ISO_14443A)
946 && (oddparity8(frame[j]) != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
0d2624a0 947 snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x!", frame[j]);
948 } else {
949 snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]);
950 }
951
952 }
953
954 if (markCRCBytes) {
955 if(crcStatus == 0 || crcStatus == 1)
956 {//CRC-command
957 char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
958 (*pos1) = '[';
959 char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
960 sprintf(pos2, "%c", ']');
961 }
962 }
963
964 if (data_len == 0) {
965 sprintf(line[0]," <empty trace - possible error>");
966 }
967
968 //--- Draw the CRC column
969 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
970
971 EndOfTransmissionTimestamp = timestamp + duration;
972
973 if (protocol == PROTO_MIFARE)
974 annotateMifare(explanation, sizeof(explanation), frame, data_len, parityBytes, parity_len, isResponse);
53fb848a 975
0d2624a0 976 if(!isResponse)
977 {
978 switch(protocol) {
53fb848a 979 case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
980 case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
981 case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
982 case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
983 case ISO_15693: annotateIso15693(explanation,sizeof(explanation),frame,data_len); break;
984 case ISO_7816_4: annotateIso7816(explanation, sizeof(explanation), frame, data_len); break;
985 case ISO_14443_4: annotateIso14443_4(explanation, sizeof(explanation), frame, data_len); break;
986 default: break;
0d2624a0 987 }
988 }
2d7bdee3 989
0d2624a0 990 int num_lines = MIN((data_len - 1)/16 + 1, 16);
991 for (int j = 0; j < num_lines ; j++) {
992 if (j == 0) {
993 PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
994 (timestamp - first_timestamp),
995 (EndOfTransmissionTimestamp - first_timestamp),
996 (isResponse ? "Tag" : "Rdr"),
997 line[j],
998 (j == num_lines-1) ? crc : " ",
999 (j == num_lines-1) ? explanation : "");
1000 } else {
1001 PrintAndLog(" | | |%-64s | %s| %s",
1002 line[j],
1003 (j == num_lines-1) ? crc : " ",
1004 (j == num_lines-1) ? explanation : "");
1005 }
1006 }
53fb848a 1007
0d2624a0 1008 if (DecodeMifareData(frame, data_len, parityBytes, isResponse, mfData, &mfDataLen)) {
1009 memset(explanation, 0x00, sizeof(explanation));
1010 if (!isResponse) {
1011 explanation[0] = '>';
1012 annotateIso14443a(&explanation[1], sizeof(explanation) - 1, mfData, mfDataLen);
1013 }
1014 uint8_t crcc = iso14443A_CRC_check(isResponse, mfData, mfDataLen);
1015 PrintAndLog(" | * | dec |%-64s | %-4s| %s",
1016 sprint_hex(mfData, mfDataLen),
1017 (crcc == 0 ? "!crc" : (crcc == 1 ? " ok " : " ")),
1018 (true) ? explanation : "");
1019 };
2d7bdee3 1020
0d2624a0 1021 if (is_last_record(tracepos, trace, traceLen)) return traceLen;
53fb848a 1022
0d2624a0 1023 if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
1024 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
1025 PrintAndLog(" %10d | %10d | %s | fdt (Frame Delay Time): %d",
1026 (EndOfTransmissionTimestamp - first_timestamp),
1027 (next_timestamp - first_timestamp),
1028 " ",
1029 (next_timestamp - EndOfTransmissionTimestamp));
1030 }
1031
1032 return tracepos;
2d7bdee3 1033}
1034
0d2624a0 1035
1036int CmdHFList(const char *Cmd)
1037{
1038 bool showWaitCycles = false;
1039 bool markCRCBytes = false;
1040 bool loadFromFile = false;
53fb848a 1041 bool PCSCtrace = false;
0d2624a0 1042 bool saveToFile = false;
1043 char param1 = '\0';
1044 char param2 = '\0';
1045 char param3 = '\0';
53fb848a 1046 char param4 = '\0';
0d2624a0 1047 char type[40] = {0};
1048 char filename[FILE_PATH_SIZE] = {0};
1049 uint8_t protocol = 0;
53fb848a 1050
0d2624a0 1051 // parse command line
1052 int tlen = param_getstr(Cmd, 0, type, sizeof(type));
1053 if (param_getlength(Cmd, 1) == 1) {
1054 param1 = param_getchar(Cmd, 1);
1055 } else {
1056 param_getstr(Cmd, 1, filename, sizeof(filename));
1057 }
1058 if (param_getlength(Cmd, 2) == 1) {
1059 param2 = param_getchar(Cmd, 2);
1060 } else if (strlen(filename) == 0) {
1061 param_getstr(Cmd, 2, filename, sizeof(filename));
1062 }
1063 if (param_getlength(Cmd, 3) == 1) {
1064 param3 = param_getchar(Cmd, 3);
1065 } else if (strlen(filename) == 0) {
1066 param_getstr(Cmd, 3, filename, sizeof(filename));
1067 }
53fb848a 1068 if (param_getlength(Cmd, 4) == 1) {
1069 param4 = param_getchar(Cmd, 4);
1070 } else if (strlen(filename) == 0) {
1071 param_getstr(Cmd, 4, filename, sizeof(filename));
1072 }
0d2624a0 1073
53fb848a 1074 // Validate params
0d2624a0 1075 bool errors = false;
1076
1077 if(tlen == 0) {
1078 errors = true;
1079 }
1080
1081 if(param1 == 'h'
53fb848a 1082 || (param1 != 0 && param1 != 'f' && param1 != 'c' && param1 != 'l' && param1 != 'p')
1083 || (param2 != 0 && param2 != 'f' && param2 != 'c' && param2 != 'l' && param1 != 'p')
1084 || (param3 != 0 && param3 != 'f' && param3 != 'c' && param3 != 'l' && param1 != 'p')
1085 || (param4 != 0 && param4 != 'f' && param4 != 'c' && param4 != 'l' && param4 != 'p')) {
0d2624a0 1086 errors = true;
1087 }
1088
1089 if(!errors) {
53fb848a 1090 if (strcmp(type, "iclass") == 0) protocol = ICLASS;
1091 else if(strcmp(type, "14a") == 0) protocol = ISO_14443A;
1092 else if(strcmp(type, "mf") == 0) protocol = PROTO_MIFARE;
1093 else if(strcmp(type, "14b") == 0) protocol = ISO_14443B;
1094 else if(strcmp(type, "topaz") == 0) protocol = TOPAZ;
1095 else if(strcmp(type, "7816") == 0) protocol = ISO_7816_4;
1096 else if(strcmp(type, "14-4") == 0) protocol = ISO_14443_4;
1097 else if(strcmp(type, "15") == 0) protocol = ISO_15693;
1098 else if(strcmp(type, "raw") == 0) protocol = -1;//No crc, no annotations
1099 else if (strcmp(type, "save") == 0) saveToFile = true;
0d2624a0 1100 else errors = true;
856da9a1 1101 }
53fb848a 1102
1103 if (param1 == 'f' || param2 == 'f' || param3 == 'f' || param4 == 'f') {
0d2624a0 1104 showWaitCycles = true;
1105 }
0113dcf3 1106
53fb848a 1107 if (param1 == 'c' || param2 == 'c' || param3 == 'c' || param4 == 'c') {
0d2624a0 1108 markCRCBytes = true;
1109 }
0113dcf3 1110
53fb848a 1111 if (param1 == 'l' || param2 == 'l' || param3 == 'l' || param4 == 'l') {
0d2624a0 1112 loadFromFile = true;
1113 }
1114
53fb848a 1115 if (param1 == 'p' || param2 == 'p' || param3 == 'p' || param4 == 'p') {
1116 PCSCtrace = true;
1117 }
1118
0d2624a0 1119 if ((loadFromFile || saveToFile) && strlen(filename) == 0) {
1120 errors = true;
1121 }
1122
1123 if (loadFromFile && saveToFile) {
1124 errors = true;
1125 }
53fb848a 1126
0d2624a0 1127 if (errors) {
1128 PrintAndLog("List or save protocol data.");
53fb848a 1129 PrintAndLog("Usage: hf list <protocol> [f] [c] [p] [l <filename>]");
0d2624a0 1130 PrintAndLog(" hf list save <filename>");
1131 PrintAndLog(" f - show frame delay times as well");
1132 PrintAndLog(" c - mark CRC bytes");
53fb848a 1133 PrintAndLog(" p - use trace buffer from PCSC card reader instead of PM3");
0d2624a0 1134 PrintAndLog(" l - load data from file instead of trace buffer");
1135 PrintAndLog(" save - save data to file");
1136 PrintAndLog("Supported <protocol> values:");
1137 PrintAndLog(" raw - just show raw data without annotations");
1138 PrintAndLog(" 14a - interpret data as iso14443a communications");
1139 PrintAndLog(" mf - interpret data as iso14443a communications and decrypt crypto1 stream");
1140 PrintAndLog(" 14b - interpret data as iso14443b communications");
1141 PrintAndLog(" 15 - interpret data as iso15693 communications");
1142 PrintAndLog(" iclass - interpret data as iclass communications");
1143 PrintAndLog(" topaz - interpret data as topaz communications");
53fb848a 1144 PrintAndLog(" 7816 - interpret data as 7816-4 APDU communications");
1145 PrintAndLog(" 14-4 - interpret data as ISO14443-4 communications");
0d2624a0 1146 PrintAndLog("");
1147 PrintAndLog("example: hf list 14a f");
1148 PrintAndLog("example: hf list iclass");
1149 PrintAndLog("example: hf list save myCardTrace.trc");
1150 PrintAndLog("example: hf list 14a l myCardTrace.trc");
1151 return 0;
1152 }
1153
1154
1155 uint8_t *trace;
1156 uint32_t tracepos = 0;
1157 uint32_t traceLen = 0;
53fb848a 1158
0d2624a0 1159 if (loadFromFile) {
53fb848a 1160 #define TRACE_CHUNK_SIZE (1<<16) // 64K to start with. Will be enough for BigBuf and some room for future extensions
0d2624a0 1161 FILE *tracefile = NULL;
1162 size_t bytes_read;
1163 trace = malloc(TRACE_CHUNK_SIZE);
1164 if (trace == NULL) {
1165 PrintAndLog("Cannot allocate memory for trace");
1166 return 2;
1167 }
53fb848a 1168 if ((tracefile = fopen(filename,"rb")) == NULL) {
0d2624a0 1169 PrintAndLog("Could not open file %s", filename);
1170 free(trace);
1171 return 0;
1172 }
1173 while (!feof(tracefile)) {
1174 bytes_read = fread(trace+traceLen, 1, TRACE_CHUNK_SIZE, tracefile);
1175 traceLen += bytes_read;
1176 if (!feof(tracefile)) {
1177 uint8_t *p = realloc(trace, traceLen + TRACE_CHUNK_SIZE);
1178 if (p == NULL) {
1179 PrintAndLog("Cannot allocate memory for trace");
1180 free(trace);
1181 fclose(tracefile);
1182 return 2;
1183 }
1184 trace = p;
1185 }
1186 }
1187 fclose(tracefile);
53fb848a 1188 } else if (PCSCtrace) {
1189 trace = pcsc_get_trace_addr();
1190 traceLen = pcsc_get_traceLen();
0d2624a0 1191 } else {
1192 trace = malloc(USB_CMD_DATA_SIZE);
1193 // Query for the size of the trace
1194 UsbCommand response;
1195 GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0, &response, -1, false);
1196 traceLen = response.arg[2];
1197 if (traceLen > USB_CMD_DATA_SIZE) {
1198 uint8_t *p = realloc(trace, traceLen);
1199 if (p == NULL) {
1200 PrintAndLog("Cannot allocate memory for trace");
1201 free(trace);
1202 return 2;
1203 }
1204 trace = p;
1205 GetFromBigBuf(trace, traceLen, 0, NULL, -1, false);
1206 }
1207 }
1208
1209 if (saveToFile) {
1210 FILE *tracefile = NULL;
53fb848a 1211 if ((tracefile = fopen(filename,"wb")) == NULL) {
0d2624a0 1212 PrintAndLog("Could not create file %s", filename);
1213 return 1;
1214 }
1215 fwrite(trace, 1, traceLen, tracefile);
1216 PrintAndLog("Recorded Activity (TraceLen = %d bytes) written to file %s", traceLen, filename);
1217 fclose(tracefile);
1218 } else {
1219 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
1220 PrintAndLog("");
1221 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
1222 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
1223 PrintAndLog("iClass - Timings are not as accurate");
1224 PrintAndLog("");
1225 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
1226 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
1227
1228 ClearAuthData();
1229 while(tracepos < traceLen)
1230 {
1231 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
1232 }
1233 }
1234
1235 free(trace);
1236 return 0;
0113dcf3 1237}
0d2624a0 1238
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