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usb communication (device side) refactoring
[proxmark3-svn] / armsrc / mifarecmd.c
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1//-----------------------------------------------------------------------------\r
2// Merlok - June 2011, 2012\r
3// Gerhard de Koning Gans - May 2008\r
4// Hagen Fritsch - June 2010\r
5// Midnitesnake - Dec 2013\r
6// Andy Davies - Apr 2014\r
7// Iceman - May 2014\r
8//\r
9// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
10// at your option, any later version. See the LICENSE.txt file for the text of\r
11// the license.\r
12//-----------------------------------------------------------------------------\r
13// Routines to support ISO 14443 type A.\r
14//-----------------------------------------------------------------------------\r
15\r
16#include "mifarecmd.h"\r
17\r
18#include <stdint.h>\r
19\r
20#include "proxmark3.h"\r
21#include "usb_cdc.h"\r
22#include "crapto1/crapto1.h"\r
23#include "iso14443a.h"\r
24#include "BigBuf.h"\r
25#include "mifareutil.h"\r
26#include "apps.h"\r
27#include "protocols.h"\r
28#include "util.h"\r
29#include "parity.h"\r
30#include "crc.h"\r
31#include "fpgaloader.h"\r
32\r
33#define HARDNESTED_AUTHENTICATION_TIMEOUT 848 // card times out 1ms after wrong authentication (according to NXP documentation)\r
34#define HARDNESTED_PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication\r
35\r
36/*\r
37// the block number for the ISO14443-4 PCB\r
38static uint8_t pcb_blocknum = 0;\r
39// Deselect card by sending a s-block. the crc is precalced for speed\r
40static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};\r
41\r
42static void OnSuccess(){\r
43 pcb_blocknum = 0;\r
44 ReaderTransmit(deselect_cmd, 3 , NULL);\r
45 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
46 LEDsoff();\r
47}\r
48*/\r
49\r
50static void OnError(uint8_t reason){\r
51 // pcb_blocknum = 0;\r
52 // ReaderTransmit(deselect_cmd, 3 , NULL);\r
53 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
54 LED_D_OFF();\r
55 cmd_send(CMD_ACK,0,reason,0,0,0);\r
56 LED_A_OFF();\r
57}\r
58\r
59//-----------------------------------------------------------------------------\r
60// Select, Authenticate, Read a MIFARE tag.\r
61// read block\r
62//-----------------------------------------------------------------------------\r
63void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
64{\r
65 LED_A_ON();\r
66\r
67 uint8_t blockNo = arg0;\r
68 uint8_t keyType = arg1;\r
69 uint64_t ui64Key = 0;\r
70 ui64Key = bytes_to_num(datain, 6);\r
71\r
72 byte_t isOK = 0;\r
73 byte_t dataoutbuf[16];\r
74 uint8_t uid[10];\r
75 uint32_t cuid;\r
76 struct Crypto1State mpcs = {0, 0};\r
77 struct Crypto1State *pcs;\r
78 pcs = &mpcs;\r
79\r
80 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
81\r
82 clear_trace();\r
83\r
84 while (true) {\r
85 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
86 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
87 break;\r
88 };\r
89\r
90 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, NULL)) {\r
91 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
92 break;\r
93 };\r
94\r
95 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {\r
96 if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");\r
97 break;\r
98 };\r
99\r
100 if(mifare_classic_halt(pcs, cuid)) {\r
101 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
102 break;\r
103 };\r
104\r
105 isOK = 1;\r
106 break;\r
107 }\r
108\r
109 // ----------------------------- crypto1 destroy\r
110 crypto1_destroy(pcs);\r
111\r
112 if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");\r
113\r
114 LED_B_ON();\r
115 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);\r
116 LED_B_OFF();\r
117\r
118 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
119 LEDsoff();\r
120}\r
121\r
122void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){\r
123\r
124 LED_A_ON();\r
125 bool turnOffField = (arg0 == 1);\r
126\r
127 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
128\r
129 if (!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {\r
130 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
131 OnError(0);\r
132 return;\r
133 };\r
134\r
135 if (!mifare_ultra_auth(keybytes)){\r
136 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r
137 OnError(1);\r
138 return;\r
139 }\r
140\r
141 if (turnOffField) {\r
142 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
143 LED_D_OFF();\r
144 }\r
145\r
146 cmd_send(CMD_ACK,1,0,0,0,0);\r
147 LED_A_OFF();\r
148}\r
149\r
150// Arg0 = BlockNo,\r
151// Arg1 = UsePwd bool\r
152// datain = PWD bytes,\r
153void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
154{\r
155 LED_A_ON();\r
156\r
157 uint8_t blockNo = arg0;\r
158 byte_t dataout[16] = {0x00};\r
159 bool useKey = (arg1 == 1); //UL_C\r
160 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
161\r
162 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
163\r
164 int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);\r
165 if(!len) {\r
166 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
167 OnError(1);\r
168 return;\r
169 }\r
170\r
171 // UL-C authentication\r
172 if (useKey) {\r
173 uint8_t key[16] = {0x00};\r
174 memcpy(key, datain, sizeof(key) );\r
175\r
176 if ( !mifare_ultra_auth(key) ) {\r
177 OnError(1);\r
178 return;\r
179 }\r
180 }\r
181\r
182 // UL-EV1 / NTAG authentication\r
183 if (usePwd) {\r
184 uint8_t pwd[4] = {0x00};\r
185 memcpy(pwd, datain, 4);\r
186 uint8_t pack[4] = {0,0,0,0};\r
187 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
188 OnError(1);\r
189 return;\r
190 }\r
191 }\r
192\r
193 if (mifare_ultra_readblock(blockNo, dataout)) {\r
194 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
195 OnError(2);\r
196 return;\r
197 }\r
198\r
199 if (mifare_ultra_halt()) {\r
200 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
201 OnError(3);\r
202 return;\r
203 }\r
204\r
205 cmd_send(CMD_ACK,1,0,0,dataout,16);\r
206 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
207 LED_D_OFF();\r
208 LED_A_OFF();\r
209}\r
210\r
211//-----------------------------------------------------------------------------\r
212// Select, Authenticate, Read a MIFARE tag.\r
213// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)\r
214//-----------------------------------------------------------------------------\r
215void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
216{\r
217 // params\r
218 uint8_t sectorNo = arg0;\r
219 uint8_t keyType = arg1;\r
220 uint64_t ui64Key = 0;\r
221 ui64Key = bytes_to_num(datain, 6);\r
222\r
223 // variables\r
224 byte_t isOK = 0;\r
225 byte_t dataoutbuf[16 * 16];\r
226 uint8_t uid[10];\r
227 uint32_t cuid;\r
228 struct Crypto1State mpcs = {0, 0};\r
229 struct Crypto1State *pcs;\r
230 pcs = &mpcs;\r
231\r
232 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
233\r
234 clear_trace();\r
235\r
236 LED_A_ON();\r
237 LED_B_OFF();\r
238 LED_C_OFF();\r
239\r
240 isOK = 1;\r
241 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
242 isOK = 0;\r
243 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
244 }\r
245\r
246\r
247 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST, NULL)) {\r
248 isOK = 0;\r
249 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
250 }\r
251\r
252 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
253 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {\r
254 isOK = 0;\r
255 if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);\r
256 break;\r
257 }\r
258 }\r
259\r
260 if(mifare_classic_halt(pcs, cuid)) {\r
261 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
262 }\r
263\r
264 // ----------------------------- crypto1 destroy\r
265 crypto1_destroy(pcs);\r
266\r
267 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
268\r
269 LED_B_ON();\r
270 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));\r
271 LED_B_OFF();\r
272\r
273 // Thats it...\r
274 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
275 LEDsoff();\r
276}\r
277\r
278// arg0 = blockNo (start)\r
279// arg1 = Pages (number of blocks)\r
280// arg2 = useKey\r
281// datain = KEY bytes\r
282void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
283{\r
284 LED_A_ON();\r
285 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
286\r
287 // free eventually allocated BigBuf memory\r
288 BigBuf_free();\r
289\r
290 // params\r
291 uint8_t blockNo = arg0;\r
292 uint16_t blocks = arg1;\r
293 bool useKey = (arg2 == 1); //UL_C\r
294 bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
295 uint32_t countblocks = 0;\r
296 uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
297 if (dataout == NULL){\r
298 Dbprintf("out of memory");\r
299 OnError(1);\r
300 return;\r
301 }\r
302\r
303 int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);\r
304 if (!len) {\r
305 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
306 OnError(1);\r
307 return;\r
308 }\r
309\r
310 // UL-C authentication\r
311 if (useKey) {\r
312 uint8_t key[16] = {0x00};\r
313 memcpy(key, datain, sizeof(key) );\r
314\r
315 if ( !mifare_ultra_auth(key) ) {\r
316 OnError(1);\r
317 return;\r
318 }\r
319 }\r
320\r
321 // UL-EV1 / NTAG authentication\r
322 if (usePwd) {\r
323 uint8_t pwd[4] = {0x00};\r
324 memcpy(pwd, datain, sizeof(pwd));\r
325 uint8_t pack[4] = {0,0,0,0};\r
326\r
327 if (!mifare_ul_ev1_auth(pwd, pack)){\r
328 OnError(1);\r
329 return;\r
330 }\r
331 }\r
332\r
333 for (int i = 0; i < blocks; i++){\r
334 if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
335 Dbprintf("Data exceeds buffer!!");\r
336 break;\r
337 }\r
338\r
339 len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
340\r
341 if (len) {\r
342 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
343 // if no blocks read - error out\r
344 if (i==0){\r
345 OnError(2);\r
346 return;\r
347 } else {\r
348 //stop at last successful read block and return what we got\r
349 break;\r
350 }\r
351 } else {\r
352 countblocks++;\r
353 }\r
354 }\r
355\r
356 len = mifare_ultra_halt();\r
357 if (len) {\r
358 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
359 OnError(3);\r
360 return;\r
361 }\r
362\r
363 if (MF_DBGLEVEL >= MF_DBG_DEBUG) Dbprintf("Blocks read %d", countblocks);\r
364\r
365 cmd_send(CMD_ACK, 1, countblocks*4, BigBuf_max_traceLen(), 0, 0);\r
366\r
367 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
368 LED_D_OFF();\r
369 BigBuf_free();\r
370 LED_A_OFF();\r
371}\r
372\r
373//-----------------------------------------------------------------------------\r
374// Select, Authenticate, Write a MIFARE tag.\r
375// read block\r
376//-----------------------------------------------------------------------------\r
377void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
378{\r
379 // params\r
380 uint8_t blockNo = arg0;\r
381 uint8_t keyType = arg1;\r
382 uint64_t ui64Key = 0;\r
383 byte_t blockdata[16];\r
384\r
385 ui64Key = bytes_to_num(datain, 6);\r
386 memcpy(blockdata, datain + 10, 16);\r
387\r
388 // variables\r
389 byte_t isOK = 0;\r
390 uint8_t uid[10];\r
391 uint32_t cuid;\r
392 struct Crypto1State mpcs = {0, 0};\r
393 struct Crypto1State *pcs;\r
394 pcs = &mpcs;\r
395\r
396 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
397\r
398 clear_trace();\r
399\r
400 LED_A_ON();\r
401 LED_B_OFF();\r
402 LED_C_OFF();\r
403\r
404 while (true) {\r
405 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
406 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
407 break;\r
408 };\r
409\r
410 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, NULL)) {\r
411 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
412 break;\r
413 };\r
414\r
415 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {\r
416 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
417 break;\r
418 };\r
419\r
420 if(mifare_classic_halt(pcs, cuid)) {\r
421 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
422 break;\r
423 };\r
424\r
425 isOK = 1;\r
426 break;\r
427 }\r
428\r
429 // ----------------------------- crypto1 destroy\r
430 crypto1_destroy(pcs);\r
431\r
432 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
433\r
434 LED_B_ON();\r
435 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
436 LED_B_OFF();\r
437\r
438\r
439 // Thats it...\r
440 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
441 LEDsoff();\r
442}\r
443\r
444/* // Command not needed but left for future testing\r
445void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r
446{\r
447 uint8_t blockNo = arg0;\r
448 byte_t blockdata[16] = {0x00};\r
449\r
450 memcpy(blockdata, datain, 16);\r
451\r
452 uint8_t uid[10] = {0x00};\r
453\r
454 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
455\r
456 clear_trace();\r
457 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
458\r
459 if(!iso14443a_select_card(uid, NULL, NULL, true, 0)) {\r
460 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
461 OnError(0);\r
462 return;\r
463 };\r
464\r
465 if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r
466 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
467 OnError(0);\r
468 return; };\r
469\r
470 if(mifare_ultra_halt()) {\r
471 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
472 OnError(0);\r
473 return;\r
474 };\r
475\r
476 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
477\r
478 cmd_send(CMD_ACK,1,0,0,0,0);\r
479 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
480 LEDsoff();\r
481}\r
482*/\r
483\r
484// Arg0 : Block to write to.\r
485// Arg1 : 0 = use no authentication.\r
486// 1 = use 0x1A authentication.\r
487// 2 = use 0x1B authentication.\r
488// datain : 4 first bytes is data to be written.\r
489// : 4/16 next bytes is authentication key.\r
490void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
491{\r
492 uint8_t blockNo = arg0;\r
493 bool useKey = (arg1 == 1); //UL_C\r
494 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
495 byte_t blockdata[4] = {0x00};\r
496\r
497 memcpy(blockdata, datain,4);\r
498\r
499 LEDsoff();\r
500 LED_A_ON();\r
501 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
502\r
503 clear_trace();\r
504\r
505 if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {\r
506 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
507 OnError(0);\r
508 return;\r
509 };\r
510\r
511 // UL-C authentication\r
512 if ( useKey ) {\r
513 uint8_t key[16] = {0x00};\r
514 memcpy(key, datain+4, sizeof(key) );\r
515\r
516 if ( !mifare_ultra_auth(key) ) {\r
517 OnError(1);\r
518 return;\r
519 }\r
520 }\r
521\r
522 // UL-EV1 / NTAG authentication\r
523 if (usePwd) {\r
524 uint8_t pwd[4] = {0x00};\r
525 memcpy(pwd, datain+4, 4);\r
526 uint8_t pack[4] = {0,0,0,0};\r
527 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
528 OnError(1);\r
529 return;\r
530 }\r
531 }\r
532\r
533 if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
534 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
535 OnError(0);\r
536 return;\r
537 };\r
538\r
539 if(mifare_ultra_halt()) {\r
540 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
541 OnError(0);\r
542 return;\r
543 };\r
544\r
545 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
546\r
547 cmd_send(CMD_ACK,1,0,0,0,0);\r
548 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
549 LEDsoff();\r
550}\r
551\r
552void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
553\r
554 uint8_t pwd[16] = {0x00};\r
555 byte_t blockdata[4] = {0x00};\r
556\r
557 memcpy(pwd, datain, 16);\r
558\r
559 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
560 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
561\r
562 clear_trace();\r
563\r
564 if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {\r
565 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
566 OnError(0);\r
567 return;\r
568 };\r
569\r
570 blockdata[0] = pwd[7];\r
571 blockdata[1] = pwd[6];\r
572 blockdata[2] = pwd[5];\r
573 blockdata[3] = pwd[4];\r
574 if(mifare_ultra_writeblock( 44, blockdata)) {\r
575 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
576 OnError(44);\r
577 return;\r
578 };\r
579\r
580 blockdata[0] = pwd[3];\r
581 blockdata[1] = pwd[2];\r
582 blockdata[2] = pwd[1];\r
583 blockdata[3] = pwd[0];\r
584 if(mifare_ultra_writeblock( 45, blockdata)) {\r
585 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
586 OnError(45);\r
587 return;\r
588 };\r
589\r
590 blockdata[0] = pwd[15];\r
591 blockdata[1] = pwd[14];\r
592 blockdata[2] = pwd[13];\r
593 blockdata[3] = pwd[12];\r
594 if(mifare_ultra_writeblock( 46, blockdata)) {\r
595 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
596 OnError(46);\r
597 return;\r
598 };\r
599\r
600 blockdata[0] = pwd[11];\r
601 blockdata[1] = pwd[10];\r
602 blockdata[2] = pwd[9];\r
603 blockdata[3] = pwd[8];\r
604 if(mifare_ultra_writeblock( 47, blockdata)) {\r
605 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
606 OnError(47);\r
607 return;\r
608 };\r
609\r
610 if(mifare_ultra_halt()) {\r
611 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
612 OnError(0);\r
613 return;\r
614 };\r
615\r
616 cmd_send(CMD_ACK,1,0,0,0,0);\r
617 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
618 LEDsoff();\r
619}\r
620\r
621// Return 1 if the nonce is invalid else return 0\r
622int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {\r
623 return ((oddparity8((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity8((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
624 (oddparity8((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity8((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
625 (oddparity8((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity8((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
626}\r
627\r
628\r
629//-----------------------------------------------------------------------------\r
630// acquire encrypted nonces in order to perform the attack described in\r
631// Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened\r
632// Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on\r
633// Computer and Communications Security, 2015\r
634//-----------------------------------------------------------------------------\r
635void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain)\r
636{\r
637 uint64_t ui64Key = 0;\r
638 uint8_t uid[10];\r
639 uint32_t cuid;\r
640 uint8_t cascade_levels = 0;\r
641 struct Crypto1State mpcs = {0, 0};\r
642 struct Crypto1State *pcs;\r
643 pcs = &mpcs;\r
644 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
645 int16_t isOK = 0;\r
646 uint8_t par_enc[1];\r
647 uint8_t nt_par_enc = 0;\r
648 uint8_t buf[USB_CMD_DATA_SIZE];\r
649 uint32_t timeout;\r
650\r
651 uint8_t blockNo = arg0 & 0xff;\r
652 uint8_t keyType = (arg0 >> 8) & 0xff;\r
653 uint8_t targetBlockNo = arg1 & 0xff;\r
654 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
655 ui64Key = bytes_to_num(datain, 6);\r
656 bool initialize = flags & 0x0001;\r
657 bool slow = flags & 0x0002;\r
658 bool field_off = flags & 0x0004;\r
659\r
660 LED_A_ON();\r
661 LED_C_OFF();\r
662\r
663 if (initialize) {\r
664 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
665 clear_trace();\r
666 set_tracing(true);\r
667 }\r
668\r
669 LED_C_ON();\r
670\r
671 uint16_t num_nonces = 0;\r
672 bool have_uid = false;\r
673 for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) {\r
674\r
675 // Test if the action was cancelled\r
676 if(BUTTON_PRESS()) {\r
677 isOK = 2;\r
678 field_off = true;\r
679 break;\r
680 }\r
681\r
682 if (!have_uid) { // need a full select cycle to get the uid first\r
683 iso14a_card_select_t card_info;\r
684 if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0, true)) {\r
685 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (ALL)");\r
686 continue;\r
687 }\r
688 switch (card_info.uidlen) {\r
689 case 4 : cascade_levels = 1; break;\r
690 case 7 : cascade_levels = 2; break;\r
691 case 10: cascade_levels = 3; break;\r
692 default: break;\r
693 }\r
694 have_uid = true;\r
695 } else { // no need for anticollision. We can directly select the card\r
696 if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels, true)) {\r
697 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (UID)");\r
698 continue;\r
699 }\r
700 }\r
701\r
702 if (slow) {\r
703 timeout = GetCountSspClk() + HARDNESTED_PRE_AUTHENTICATION_LEADTIME;\r
704 while(GetCountSspClk() < timeout);\r
705 }\r
706\r
707 uint32_t nt1;\r
708 if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, NULL, NULL)) {\r
709 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth1 error");\r
710 continue;\r
711 }\r
712\r
713 // nested authentication\r
714 uint16_t len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par_enc, NULL);\r
715 if (len != 4) {\r
716 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth2 error len=%d", len);\r
717 continue;\r
718 }\r
719\r
720 // send an incomplete dummy response in order to trigger the card's authentication failure timeout\r
721 uint8_t dummy_answer[1] = {0};\r
722 ReaderTransmit(dummy_answer, 1, NULL);\r
723\r
724 timeout = GetCountSspClk() + HARDNESTED_AUTHENTICATION_TIMEOUT;\r
725\r
726 num_nonces++;\r
727 if (num_nonces % 2) {\r
728 memcpy(buf+i, receivedAnswer, 4);\r
729 nt_par_enc = par_enc[0] & 0xf0;\r
730 } else {\r
731 nt_par_enc |= par_enc[0] >> 4;\r
732 memcpy(buf+i+4, receivedAnswer, 4);\r
733 memcpy(buf+i+8, &nt_par_enc, 1);\r
734 i += 9;\r
735 }\r
736\r
737 // wait for the card to become ready again\r
738 while(GetCountSspClk() < timeout);\r
739\r
740 }\r
741\r
742 LED_C_OFF();\r
743\r
744 crypto1_destroy(pcs);\r
745\r
746 LED_B_ON();\r
747 cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));\r
748 LED_B_OFF();\r
749\r
750 if (MF_DBGLEVEL >= 3) DbpString("AcquireEncryptedNonces finished");\r
751\r
752 if (field_off) {\r
753 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
754 LEDsoff();\r
755 }\r
756}\r
757\r
758\r
759//-----------------------------------------------------------------------------\r
760// MIFARE nested authentication.\r
761//\r
762//-----------------------------------------------------------------------------\r
763void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain) {\r
764\r
765 uint8_t blockNo = arg0 & 0xff;\r
766 uint8_t keyType = (arg0 >> 8) & 0xff;\r
767 uint8_t targetBlockNo = arg1 & 0xff;\r
768 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
769 uint64_t ui64Key = 0;\r
770\r
771 ui64Key = bytes_to_num(datain, 6);\r
772\r
773 uint16_t rtr, i, j, len;\r
774 uint16_t davg;\r
775 static uint16_t dmin, dmax;\r
776 uint8_t uid[10];\r
777 uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;\r
778 uint8_t par[1];\r
779 uint32_t target_nt[2], target_ks[2];\r
780 uint8_t target_nt_duplicate_count = 0;\r
781\r
782 uint8_t par_array[4];\r
783 uint16_t ncount = 0;\r
784 struct Crypto1State mpcs = {0, 0};\r
785 struct Crypto1State *pcs;\r
786 pcs = &mpcs;\r
787 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
788\r
789 uint32_t auth1_time, auth2_time, authentication_timeout = 0;\r
790 static uint16_t delta_time;\r
791\r
792 LED_A_ON();\r
793 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
794\r
795 // free eventually allocated BigBuf memory\r
796 BigBuf_free();\r
797\r
798 if (calibrate) clear_trace();\r
799 set_tracing(true);\r
800\r
801 // statistics on nonce distance\r
802 int16_t isOK = 0;\r
803 #define NESTED_MAX_TRIES 12\r
804 uint16_t unsuccessfull_tries = 0;\r
805 if (calibrate) { // for first call only. Otherwise reuse previous calibration\r
806 LED_B_ON();\r
807 WDT_HIT();\r
808\r
809 davg = dmax = 0;\r
810 dmin = 2000;\r
811 delta_time = 0;\r
812\r
813 for (rtr = 0; rtr < 17; rtr++) {\r
814\r
815 // prepare next select. No need to power down the card.\r
816 if (mifare_classic_halt(pcs, cuid)) {\r
817 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
818 rtr--;\r
819 continue;\r
820 }\r
821\r
822 // Test if the action was cancelled\r
823 if (BUTTON_PRESS()) {\r
824 isOK = -2;\r
825 break;\r
826 }\r
827\r
828 if (!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
829 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
830 rtr--;\r
831 continue;\r
832 };\r
833\r
834 auth1_time = 0;\r
835 if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time, NULL)) {\r
836 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
837 rtr--;\r
838 continue;\r
839 };\r
840\r
841 if (delta_time) {\r
842 auth2_time = auth1_time + delta_time;\r
843 } else {\r
844 auth2_time = 0;\r
845 }\r
846 if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time, NULL)) {\r
847 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");\r
848 rtr--;\r
849 continue;\r
850 };\r
851\r
852 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r
853 for (i = 101; i < 1200; i++) {\r
854 nttmp = prng_successor(nttmp, 1);\r
855 if (nttmp == nt2) break;\r
856 }\r
857\r
858 if (i != 1200) {\r
859 if (rtr != 0) {\r
860 davg += i;\r
861 dmin = MIN(dmin, i);\r
862 dmax = MAX(dmax, i);\r
863 }\r
864 else {\r
865 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r
866 }\r
867 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
868 } else {\r
869 unsuccessfull_tries++;\r
870 if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable)\r
871 isOK = -3;\r
872 }\r
873 }\r
874 }\r
875\r
876 davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
877\r
878 if (MF_DBGLEVEL >= 3) Dbprintf("rtr=%d isOK=%d min=%d max=%d avg=%d, delta_time=%d", rtr, isOK, dmin, dmax, davg, delta_time);\r
879\r
880 dmin = davg - 2;\r
881 dmax = davg + 2;\r
882\r
883 LED_B_OFF();\r
884\r
885 }\r
886 // -------------------------------------------------------------------------------------------------\r
887\r
888 LED_C_ON();\r
889\r
890 // get crypted nonces for target sector\r
891 for (i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces\r
892\r
893 target_nt[i] = 0;\r
894 while (target_nt[i] == 0 && !isOK) { // continue until we have an unambiguous nonce\r
895\r
896 // prepare next select. No need to power down the card.\r
897 if(mifare_classic_halt(pcs, cuid)) {\r
898 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
899 continue;\r
900 }\r
901\r
902 // break out of the loop on button press\r
903 if (BUTTON_PRESS()) {\r
904 isOK = -2;\r
905 break;\r
906 }\r
907\r
908 if (!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
909 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
910 continue;\r
911 }\r
912\r
913 auth1_time = 0;\r
914 authentication_timeout = 0;\r
915 if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time, &authentication_timeout)) {\r
916 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
917 continue;\r
918 }\r
919\r
920 // nested authentication\r
921 auth2_time = auth1_time + delta_time;\r
922 len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
923 if (len != 4) {\r
924 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r
925 continue;\r
926 }\r
927\r
928 nt2 = bytes_to_num(receivedAnswer, 4);\r
929 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\r
930\r
931 // Parity validity check\r
932 for (j = 0; j < 4; j++) {\r
933 par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
934 }\r
935\r
936 ncount = 0;\r
937 nttest = prng_successor(nt1, dmin - 1);\r
938 for (j = dmin; j < dmax + 1; j++) {\r
939 nttest = prng_successor(nttest, 1);\r
940 ks1 = nt2 ^ nttest;\r
941\r
942 if (valid_nonce(nttest, nt2, ks1, par_array)){\r
943 if (ncount > 0) { // we are only interested in disambiguous nonces, try again\r
944 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);\r
945 target_nt[i] = 0;\r
946 break;\r
947 }\r
948 target_nt[i] = nttest;\r
949 target_ks[i] = ks1;\r
950 ncount++;\r
951 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces\r
952 if( ++target_nt_duplicate_count >= NESTED_MAX_TRIES ) { // unable to get a 2nd nonce after NESTED_MAX_TRIES tries, probably a fixed nonce\r
953 if (MF_DBGLEVEL >= 2) Dbprintf("Nonce#2: cannot get nonce that != nonce#1, continuing anyway with single nonce! ntdist=%d", j);\r
954 break;\r
955 }\r
956\r
957 target_nt[1] = 0;\r
958 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);\r
959 break;\r
960 }\r
961 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);\r
962 }\r
963 }\r
964 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);\r
965 }\r
966 }\r
967\r
968 LED_C_OFF();\r
969\r
970 // ----------------------------- crypto1 destroy\r
971 crypto1_destroy(pcs);\r
972\r
973 uint8_t buf[4 + 4 * 4 + 4];\r
974 memcpy(buf, &cuid, 4);\r
975 memcpy(buf+4, &target_nt[0], 4);\r
976 memcpy(buf+8, &target_ks[0], 4);\r
977 memcpy(buf+12, &target_nt[1], 4);\r
978 memcpy(buf+16, &target_ks[1], 4);\r
979 memcpy(buf+20, &authentication_timeout, 4);\r
980\r
981 LED_B_ON();\r
982 cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
983 LED_B_OFF();\r
984\r
985 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r
986\r
987 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
988 LEDsoff();\r
989}\r
990\r
991\r
992//-----------------------------------------------------------------------------\r
993// MIFARE check keys. key count up to 85.\r
994//\r
995//-----------------------------------------------------------------------------\r
996void MifareChkKeys(uint16_t arg0, uint32_t arg1, uint8_t arg2, uint8_t *datain) {\r
997\r
998 uint8_t blockNo = arg0 & 0xff;\r
999 uint8_t keyType = arg0 >> 8;\r
1000 bool clearTrace = arg1 & 0x01;\r
1001 bool multisectorCheck = arg1 & 0x02;\r
1002 bool init = arg1 & 0x04;\r
1003 bool drop_field = arg1 & 0x08;\r
1004 uint32_t auth_timeout = arg1 >> 16;\r
1005 uint8_t keyCount = arg2;\r
1006\r
1007 LED_A_ON();\r
1008\r
1009 if (init) {\r
1010 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1011 }\r
1012 \r
1013 if (clearTrace) {\r
1014 clear_trace();\r
1015 }\r
1016 set_tracing(true);\r
1017\r
1018 // clear debug level. We are expecting lots of authentication failures...\r
1019 int OLD_MF_DBGLEVEL = MF_DBGLEVEL;\r
1020 MF_DBGLEVEL = MF_DBG_NONE;\r
1021\r
1022 int res = 0;\r
1023 if (multisectorCheck) {\r
1024 TKeyIndex keyIndex = {{0}};\r
1025 uint8_t sectorCnt = blockNo;\r
1026 res = MifareMultisectorChk(datain, keyCount, sectorCnt, keyType, &auth_timeout, OLD_MF_DBGLEVEL, &keyIndex);\r
1027 if (res >= 0) {\r
1028 cmd_send(CMD_ACK, 1, res, 0, keyIndex, 80);\r
1029 } else {\r
1030 cmd_send(CMD_ACK, 0, res, 0, NULL, 0);\r
1031 }\r
1032 } else { \r
1033 res = MifareChkBlockKeys(datain, keyCount, blockNo, keyType, &auth_timeout, OLD_MF_DBGLEVEL);\r
1034 if (res > 0) {\r
1035 cmd_send(CMD_ACK, 1, res, 0, datain + (res - 1) * 6, 6);\r
1036 } else {\r
1037 cmd_send(CMD_ACK, 0, res, 0, NULL, 0);\r
1038 }\r
1039 }\r
1040\r
1041 if (drop_field || res != 0) {\r
1042 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1043 LED_D_OFF();\r
1044 }\r
1045\r
1046 // restore debug level\r
1047 MF_DBGLEVEL = OLD_MF_DBGLEVEL;\r
1048\r
1049 LED_A_OFF();\r
1050}\r
1051\r
1052\r
1053//-----------------------------------------------------------------------------\r
1054// MIFARE Personalize UID. Only for Mifare Classic EV1 7Byte UID\r
1055//-----------------------------------------------------------------------------\r
1056void MifarePersonalizeUID(uint8_t keyType, uint8_t perso_option, uint8_t *data) {\r
1057\r
1058 uint8_t uid[10];\r
1059 uint32_t cuid;\r
1060 struct Crypto1State mpcs = {0, 0};\r
1061 struct Crypto1State *pcs;\r
1062 pcs = &mpcs;\r
1063\r
1064 LED_A_ON();\r
1065 clear_trace();\r
1066\r
1067 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1068\r
1069 bool isOK = false;\r
1070 while (true) {\r
1071 if (!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
1072 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1073 break;\r
1074 }\r
1075\r
1076 uint8_t block_number = 0;\r
1077 uint64_t key = bytes_to_num(data, 6);\r
1078 if (mifare_classic_auth(pcs, cuid, block_number, keyType, key, AUTH_FIRST, NULL)) {\r
1079 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
1080 break;\r
1081 }\r
1082\r
1083 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1084 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1085 int len = mifare_sendcmd_short(pcs, true, MIFARE_EV1_PERSONAL_UID, perso_option, receivedAnswer, receivedAnswerPar, NULL);\r
1086 if (len != 1 || receivedAnswer[0] != CARD_ACK) {\r
1087 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
1088 break;;\r
1089 }\r
1090 isOK = true;\r
1091 break;\r
1092 }\r
1093\r
1094 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1095 LED_D_OFF();\r
1096\r
1097 crypto1_destroy(pcs);\r
1098\r
1099 if (MF_DBGLEVEL >= 2) DbpString("PERSONALIZE UID FINISHED");\r
1100\r
1101 cmd_send(CMD_ACK, isOK, 0, 0, NULL, 0);\r
1102\r
1103 LED_A_OFF();\r
1104}\r
1105\r
1106//-----------------------------------------------------------------------------\r
1107// MIFARE commands set debug level\r
1108//\r
1109//-----------------------------------------------------------------------------\r
1110void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1111 MF_DBGLEVEL = arg0;\r
1112 Dbprintf("Debug level: %d", MF_DBGLEVEL);\r
1113}\r
1114\r
1115//-----------------------------------------------------------------------------\r
1116// Work with emulator memory\r
1117//\r
1118// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not\r
1119// involved in dealing with emulator memory. But if it is called later, it might\r
1120// destroy the Emulator Memory.\r
1121//-----------------------------------------------------------------------------\r
1122\r
1123void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1124 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
1125 emlClearMem();\r
1126}\r
1127\r
1128void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1129 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
1130 emlSetMem(datain, arg0, arg1); // data, block num, blocks count\r
1131}\r
1132\r
1133void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1134 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
1135 byte_t buf[USB_CMD_DATA_SIZE];\r
1136 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
1137\r
1138 LED_B_ON();\r
1139 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);\r
1140 LED_B_OFF();\r
1141}\r
1142\r
1143//-----------------------------------------------------------------------------\r
1144// Load a card into the emulator memory\r
1145//\r
1146//-----------------------------------------------------------------------------\r
1147void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1148 uint8_t numSectors = arg0;\r
1149 uint8_t keyType = arg1;\r
1150 uint64_t ui64Key = 0;\r
1151 uint32_t cuid;\r
1152 struct Crypto1State mpcs = {0, 0};\r
1153 struct Crypto1State *pcs;\r
1154 pcs = &mpcs;\r
1155\r
1156 // variables\r
1157 byte_t dataoutbuf[16];\r
1158 byte_t dataoutbuf2[16];\r
1159 uint8_t uid[10];\r
1160\r
1161 LED_A_ON();\r
1162 LED_B_OFF();\r
1163 LED_C_OFF();\r
1164 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1165\r
1166 clear_trace();\r
1167 set_tracing(false);\r
1168\r
1169 bool isOK = true;\r
1170\r
1171 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
1172 isOK = false;\r
1173 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1174 }\r
1175\r
1176 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
1177 ui64Key = emlGetKey(sectorNo, keyType);\r
1178 if (sectorNo == 0){\r
1179 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST, NULL)) {\r
1180 isOK = false;\r
1181 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);\r
1182 break;\r
1183 }\r
1184 } else {\r
1185 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED, NULL)) {\r
1186 isOK = false;\r
1187 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);\r
1188 break;\r
1189 }\r
1190 }\r
1191\r
1192 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
1193 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {\r
1194 isOK = false;\r
1195 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);\r
1196 break;\r
1197 };\r
1198 if (isOK) {\r
1199 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {\r
1200 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1201 } else { // sector trailer, keep the keys, set only the AC\r
1202 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1203 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);\r
1204 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1205 }\r
1206 }\r
1207 }\r
1208\r
1209 }\r
1210\r
1211 if(mifare_classic_halt(pcs, cuid)) {\r
1212 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1213 };\r
1214\r
1215 // ----------------------------- crypto1 destroy\r
1216 crypto1_destroy(pcs);\r
1217\r
1218 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1219 LEDsoff();\r
1220\r
1221 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
1222\r
1223}\r
1224\r
1225\r
1226//-----------------------------------------------------------------------------\r
1227// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
1228//\r
1229//-----------------------------------------------------------------------------\r
1230\r
1231static bool isBlockTrailer(int blockN) {\r
1232 if (blockN >= 0 && blockN < 128) {\r
1233 return ((blockN & 0x03) == 0x03);\r
1234 }\r
1235 if (blockN >= 128 && blockN <= 256) {\r
1236 return ((blockN & 0x0F) == 0x0F);\r
1237 }\r
1238 return false;\r
1239}\r
1240\r
1241void MifareCWipe(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1242 // var\r
1243 byte_t isOK = 0;\r
1244 uint32_t numBlocks = arg0;\r
1245 // cmdParams:\r
1246 // bit 0 - wipe gen1a\r
1247 // bit 1 - fill card with default data\r
1248 // bit 2 - gen1a = 0, gen1b = 1\r
1249 uint8_t cmdParams = arg1;\r
1250 bool needWipe = cmdParams & 0x01;\r
1251 bool needFill = cmdParams & 0x02;\r
1252 bool gen1b = cmdParams & 0x04;\r
1253\r
1254 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1255 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1256\r
1257 uint8_t block0[16] = {0x01, 0x02, 0x03, 0x04, 0x04, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xBE, 0xAF};\r
1258 uint8_t block1[16] = {0x00};\r
1259 uint8_t blockK[16] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x08, 0x77, 0x8F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
1260 uint8_t d_block[18] = {0x00};\r
1261\r
1262 // card commands\r
1263 uint8_t wupC1[] = { 0x40 };\r
1264 uint8_t wupC2[] = { 0x43 };\r
1265 uint8_t wipeC[] = { 0x41 };\r
1266\r
1267 // iso14443 setup\r
1268 LED_A_ON();\r
1269 LED_B_OFF();\r
1270 LED_C_OFF();\r
1271 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1272\r
1273 // tracing\r
1274 clear_trace();\r
1275 set_tracing(true);\r
1276\r
1277 while (true){\r
1278 // wipe\r
1279 if (needWipe){\r
1280 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1281 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1282 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1283 break;\r
1284 };\r
1285\r
1286 ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
1287 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1288 if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");\r
1289 break;\r
1290 };\r
1291\r
1292 if(mifare_classic_halt(NULL, 0)) {\r
1293 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1294 };\r
1295 };\r
1296\r
1297 // put default data\r
1298 if (needFill){\r
1299 // select commands\r
1300 ReaderTransmitBitsPar(wupC1, 7, 0, NULL);\r
1301\r
1302 // gen1b magic tag : do no issue wupC2 and don't expect CARD_ACK response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)\r
1303 if (!gen1b) {\r
1304\r
1305 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1306 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1307 break;\r
1308 };\r
1309\r
1310 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1311 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1312 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1313 break;\r
1314 };\r
1315 }\r
1316\r
1317 // send blocks command\r
1318 for (int blockNo = 0; blockNo < numBlocks; blockNo++) {\r
1319 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != CARD_ACK)) {\r
1320 if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");\r
1321 break;\r
1322 };\r
1323\r
1324 // check type of block and add crc\r
1325 if (!isBlockTrailer(blockNo)){\r
1326 memcpy(d_block, block1, 16);\r
1327 } else {\r
1328 memcpy(d_block, blockK, 16);\r
1329 }\r
1330 if (blockNo == 0) {\r
1331 memcpy(d_block, block0, 16);\r
1332 }\r
1333 AppendCrc14443a(d_block, 16);\r
1334\r
1335 // send write command\r
1336 ReaderTransmit(d_block, sizeof(d_block), NULL);\r
1337 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != CARD_ACK)) {\r
1338 if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r
1339 break;\r
1340 };\r
1341 }\r
1342\r
1343 // halt\r
1344 // do no issue halt command for gen1b\r
1345 if (!gen1b) {\r
1346 if (mifare_classic_halt(NULL, 0)) {\r
1347 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1348 break;\r
1349 }\r
1350 }\r
1351 }\r
1352 break;\r
1353 }\r
1354\r
1355 // send USB response\r
1356 LED_B_ON();\r
1357 cmd_send(CMD_ACK,isOK,0,0,NULL,0);\r
1358 LED_B_OFF();\r
1359\r
1360 // reset fpga\r
1361 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1362 LEDsoff();\r
1363\r
1364 return;\r
1365}\r
1366\r
1367void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1368\r
1369 // params\r
1370 uint8_t needWipe = arg0;\r
1371 // bit 0 - need get UID\r
1372 // bit 1 - need wupC\r
1373 // bit 2 - need HALT after sequence\r
1374 // bit 3 - need init FPGA and field before sequence\r
1375 // bit 4 - need reset FPGA and LED\r
1376 // bit 6 - gen1b backdoor type\r
1377 uint8_t workFlags = arg1;\r
1378 uint8_t blockNo = arg2;\r
1379\r
1380 // card commands\r
1381 uint8_t wupC1[] = { 0x40 };\r
1382 uint8_t wupC2[] = { 0x43 };\r
1383 uint8_t wipeC[] = { 0x41 };\r
1384\r
1385 // variables\r
1386 byte_t isOK = 0;\r
1387 uint8_t uid[10] = {0x00};\r
1388 uint8_t d_block[18] = {0x00};\r
1389 uint32_t cuid;\r
1390\r
1391 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1392 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1393\r
1394 // reset FPGA and LED\r
1395 if (workFlags & 0x08) {\r
1396 LED_A_ON();\r
1397 LED_B_OFF();\r
1398 LED_C_OFF();\r
1399 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1400\r
1401 clear_trace();\r
1402 set_tracing(true);\r
1403 }\r
1404\r
1405 while (true) {\r
1406\r
1407 // get UID from chip\r
1408 if (workFlags & 0x01) {\r
1409 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
1410 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1411 // Continue, if we set wrong UID or wrong UID checksum or some ATQA or SAK we will can't select card. But we need to write block 0 to make card work.\r
1412 //break;\r
1413 };\r
1414\r
1415 if(mifare_classic_halt(NULL, cuid)) {\r
1416 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1417 // Continue, some magic tags misbehavies and send an answer to it.\r
1418 // break;\r
1419 };\r
1420 };\r
1421\r
1422 // reset chip\r
1423 // Wipe command don't work with gen1b\r
1424 if (needWipe && !(workFlags & 0x40)){\r
1425 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1426 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1427 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1428 break;\r
1429 };\r
1430\r
1431 ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
1432 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1433 if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");\r
1434 break;\r
1435 };\r
1436\r
1437 if(mifare_classic_halt(NULL, 0)) {\r
1438 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1439 // Continue, some magic tags misbehavies and send an answer to it.\r
1440 // break;\r
1441 };\r
1442 };\r
1443\r
1444 // write block\r
1445 if (workFlags & 0x02) {\r
1446 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1447\r
1448 // gen1b magic tag : do no issue wupC2 and don't expect CARD_ACK response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)\r
1449 if (!(workFlags & 0x40)) {\r
1450\r
1451 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1452 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1453 break;\r
1454 };\r
1455\r
1456 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1457 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1458 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1459 break;\r
1460 };\r
1461 }\r
1462 }\r
1463\r
1464 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != CARD_ACK)) {\r
1465 if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");\r
1466 break;\r
1467 };\r
1468\r
1469 memcpy(d_block, datain, 16);\r
1470 AppendCrc14443a(d_block, 16);\r
1471\r
1472 ReaderTransmit(d_block, sizeof(d_block), NULL);\r
1473 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != CARD_ACK)) {\r
1474 if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r
1475 break;\r
1476 };\r
1477\r
1478 if (workFlags & 0x04) {\r
1479 // do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)\r
1480 if (!(workFlags & 0x40)) {\r
1481 if (mifare_classic_halt(NULL, 0)) {\r
1482 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1483 // Continue, some magic tags misbehavies and send an answer to it.\r
1484 // break;\r
1485 }\r
1486 }\r
1487 }\r
1488\r
1489 isOK = 1;\r
1490 break;\r
1491 }\r
1492\r
1493 LED_B_ON();\r
1494 cmd_send(CMD_ACK,isOK,0,0,uid,4);\r
1495 LED_B_OFF();\r
1496\r
1497 if ((workFlags & 0x10) || (!isOK)) {\r
1498 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1499 LEDsoff();\r
1500 }\r
1501}\r
1502\r
1503\r
1504void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1505\r
1506 // params\r
1507 // bit 1 - need wupC\r
1508 // bit 2 - need HALT after sequence\r
1509 // bit 3 - need init FPGA and field before sequence\r
1510 // bit 4 - need reset FPGA and LED\r
1511 // bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r
1512 // bit 6 - gen1b backdoor type\r
1513 uint8_t workFlags = arg0;\r
1514 uint8_t blockNo = arg2;\r
1515\r
1516 // card commands\r
1517 uint8_t wupC1[] = { 0x40 };\r
1518 uint8_t wupC2[] = { 0x43 };\r
1519\r
1520 // variables\r
1521 byte_t isOK = 0;\r
1522 uint8_t data[18] = {0x00};\r
1523 uint32_t cuid = 0;\r
1524\r
1525 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1526 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1527\r
1528 if (workFlags & 0x08) {\r
1529 LED_A_ON();\r
1530 LED_B_OFF();\r
1531 LED_C_OFF();\r
1532 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1533\r
1534 clear_trace();\r
1535 set_tracing(true);\r
1536 }\r
1537\r
1538 while (true) {\r
1539 if (workFlags & 0x02) {\r
1540 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1541 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1542 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1543 break;\r
1544 };\r
1545 // do no issue for gen1b magic tag\r
1546 if (!(workFlags & 0x40)) {\r
1547 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1548 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) {\r
1549 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1550 break;\r
1551 };\r
1552 }\r
1553 }\r
1554\r
1555 // read block\r
1556 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
1557 if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");\r
1558 break;\r
1559 };\r
1560 memcpy(data, receivedAnswer, 18);\r
1561\r
1562 if (workFlags & 0x04) {\r
1563 // do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)\r
1564 if (!(workFlags & 0x40)) {\r
1565 if (mifare_classic_halt(NULL, cuid)) {\r
1566 if (MF_DBGLEVEL > 1) Dbprintf("Halt error");\r
1567 // Continue, some magic tags misbehavies and send an answer to it.\r
1568 // break;\r
1569 }\r
1570 }\r
1571 }\r
1572\r
1573 isOK = 1;\r
1574 break;\r
1575 }\r
1576\r
1577 LED_B_ON();\r
1578 if (workFlags & 0x20) {\r
1579 if (isOK)\r
1580 memcpy(datain, data, 18);\r
1581 }\r
1582 else\r
1583 cmd_send(CMD_ACK,isOK,0,0,data,18);\r
1584 LED_B_OFF();\r
1585\r
1586 if ((workFlags & 0x10) || (!isOK)) {\r
1587 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1588 LEDsoff();\r
1589 }\r
1590}\r
1591\r
1592void MifareCIdent(){\r
1593\r
1594 // card commands\r
1595 uint8_t wupC1[] = { 0x40 };\r
1596 uint8_t wupC2[] = { 0x43 };\r
1597\r
1598 // variables\r
1599 byte_t isOK = 0;\r
1600\r
1601 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1602 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1603\r
1604 LED_A_ON();\r
1605 LED_B_OFF();\r
1606 LED_C_OFF();\r
1607 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1608\r
1609 clear_trace();\r
1610 set_tracing(true);\r
1611\r
1612 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1613 if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == CARD_ACK)) {\r
1614 isOK = 2;\r
1615\r
1616 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1617 if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == CARD_ACK)) {\r
1618 isOK = 1;\r
1619 };\r
1620 };\r
1621\r
1622 // From iceman1001: removed the if, since some magic tags misbehavies and send an answer to it.\r
1623 mifare_classic_halt(NULL, 0);\r
1624\r
1625 LED_B_ON();\r
1626 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
1627 LED_B_OFF();\r
1628\r
1629 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1630 LEDsoff();\r
1631}\r
1632\r
1633//\r
1634// DESFIRE\r
1635//\r
1636\r
1637void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
1638\r
1639 byte_t dataout[11] = {0x00};\r
1640 uint8_t uid[10] = {0x00};\r
1641 uint32_t cuid;\r
1642\r
1643 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1644 clear_trace();\r
1645\r
1646 int len = iso14443a_select_card(uid, NULL, &cuid, true, 0, true);\r
1647 if(!len) {\r
1648 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
1649 OnError(1);\r
1650 return;\r
1651 };\r
1652\r
1653 if(mifare_desfire_des_auth1(cuid, dataout)){\r
1654 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
1655 OnError(4);\r
1656 return;\r
1657 }\r
1658\r
1659 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
1660 cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
1661}\r
1662\r
1663void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
1664\r
1665 uint32_t cuid = arg0;\r
1666 uint8_t key[16] = {0x00};\r
1667 byte_t isOK = 0;\r
1668 byte_t dataout[12] = {0x00};\r
1669\r
1670 memcpy(key, datain, 16);\r
1671\r
1672 isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
1673\r
1674 if( isOK) {\r
1675 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed");\r
1676 OnError(4);\r
1677 return;\r
1678 }\r
1679\r
1680 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
1681\r
1682 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
1683 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1684 LEDsoff();\r
1685}\r
1686\r
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