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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 "util.h"\r
19#include "parity.h"\r
20#include "crc.h"\r
21#include "fpgaloader.h"\r
22\r
23#define HARDNESTED_AUTHENTICATION_TIMEOUT 848 // card times out 1ms after wrong authentication (according to NXP documentation)\r
24#define HARDNESTED_PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication \r
25\r
26/*\r
27// the block number for the ISO14443-4 PCB\r
28static uint8_t pcb_blocknum = 0;\r
29// Deselect card by sending a s-block. the crc is precalced for speed\r
30static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};\r
31\r
32static void OnSuccess(){\r
33 pcb_blocknum = 0;\r
34 ReaderTransmit(deselect_cmd, 3 , NULL);\r
35 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
36 LEDsoff();\r
37}\r
38*/\r
39\r
40static void OnError(uint8_t reason){\r
41 // pcb_blocknum = 0;\r
42 // ReaderTransmit(deselect_cmd, 3 , NULL);\r
43 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
44 LED_D_OFF();\r
45 cmd_send(CMD_ACK,0,reason,0,0,0);\r
46 LED_A_OFF();\r
47}\r
48\r
49//-----------------------------------------------------------------------------\r
50// Select, Authenticate, Read a MIFARE tag.\r
51// read block\r
52//-----------------------------------------------------------------------------\r
53void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
54{\r
55 LED_A_ON();\r
56\r
57 uint8_t blockNo = arg0;\r
58 uint8_t keyType = arg1;\r
59 uint64_t ui64Key = 0;\r
60 ui64Key = bytes_to_num(datain, 6);\r
61\r
62 byte_t isOK = 0;\r
63 byte_t dataoutbuf[16];\r
64 uint8_t uid[10];\r
65 uint32_t cuid;\r
66 struct Crypto1State mpcs = {0, 0};\r
67 struct Crypto1State *pcs;\r
68 pcs = &mpcs;\r
69\r
70 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
71\r
72 clear_trace();\r
73\r
74 while (true) {\r
75 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
76 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
77 break;\r
78 };\r
79\r
80 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
81 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
82 break;\r
83 };\r
84\r
85 if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {\r
86 if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");\r
87 break;\r
88 };\r
89\r
90 if(mifare_classic_halt(pcs, cuid)) {\r
91 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
92 break;\r
93 };\r
94\r
95 isOK = 1;\r
96 break;\r
97 }\r
98\r
99 // ----------------------------- crypto1 destroy\r
100 crypto1_destroy(pcs);\r
101\r
102 if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");\r
103\r
104 LED_B_ON();\r
105 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);\r
106 LED_B_OFF();\r
107\r
108 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
109 LEDsoff();\r
110}\r
111\r
112void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){\r
113\r
114 LED_A_ON();\r
115 bool turnOffField = (arg0 == 1);\r
116\r
117 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
118\r
119 if (!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {\r
120 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
121 OnError(0);\r
122 return;\r
123 };\r
124\r
125 if (!mifare_ultra_auth(keybytes)){\r
126 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r
127 OnError(1);\r
128 return;\r
129 }\r
130\r
131 if (turnOffField) {\r
132 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
133 LED_D_OFF();\r
134 }\r
135\r
136 cmd_send(CMD_ACK,1,0,0,0,0);\r
137 LED_A_OFF();\r
138}\r
139\r
140// Arg0 = BlockNo,\r
141// Arg1 = UsePwd bool\r
142// datain = PWD bytes,\r
143void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
144{\r
145 LED_A_ON();\r
146\r
147 uint8_t blockNo = arg0;\r
148 byte_t dataout[16] = {0x00};\r
149 bool useKey = (arg1 == 1); //UL_C\r
150 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
151\r
152 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
153\r
154 int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);\r
155 if(!len) {\r
156 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
157 OnError(1);\r
158 return;\r
159 }\r
160\r
161 // UL-C authentication\r
162 if (useKey) {\r
163 uint8_t key[16] = {0x00};\r
164 memcpy(key, datain, sizeof(key) );\r
165\r
166 if ( !mifare_ultra_auth(key) ) {\r
167 OnError(1);\r
168 return;\r
169 }\r
170 }\r
171\r
172 // UL-EV1 / NTAG authentication\r
173 if (usePwd) {\r
174 uint8_t pwd[4] = {0x00};\r
175 memcpy(pwd, datain, 4);\r
176 uint8_t pack[4] = {0,0,0,0};\r
177 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
178 OnError(1);\r
179 return;\r
180 }\r
181 }\r
182\r
183 if (mifare_ultra_readblock(blockNo, dataout)) {\r
184 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
185 OnError(2);\r
186 return;\r
187 }\r
188\r
189 if (mifare_ultra_halt()) {\r
190 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
191 OnError(3);\r
192 return;\r
193 }\r
194\r
195 cmd_send(CMD_ACK,1,0,0,dataout,16);\r
196 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
197 LED_D_OFF();\r
198 LED_A_OFF();\r
199}\r
200\r
201//-----------------------------------------------------------------------------\r
202// Select, Authenticate, Read a MIFARE tag.\r
203// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)\r
204//-----------------------------------------------------------------------------\r
205void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
206{\r
207 // params\r
208 uint8_t sectorNo = arg0;\r
209 uint8_t keyType = arg1;\r
210 uint64_t ui64Key = 0;\r
211 ui64Key = bytes_to_num(datain, 6);\r
212\r
213 // variables\r
214 byte_t isOK = 0;\r
215 byte_t dataoutbuf[16 * 16];\r
216 uint8_t uid[10];\r
217 uint32_t cuid;\r
218 struct Crypto1State mpcs = {0, 0};\r
219 struct Crypto1State *pcs;\r
220 pcs = &mpcs;\r
221\r
222 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
223\r
224 clear_trace();\r
225\r
226 LED_A_ON();\r
227 LED_B_OFF();\r
228 LED_C_OFF();\r
229\r
230 isOK = 1;\r
231 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
232 isOK = 0;\r
233 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
234 }\r
235\r
236\r
237 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
238 isOK = 0;\r
239 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
240 }\r
241\r
242 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
243 if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {\r
244 isOK = 0;\r
245 if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);\r
246 break;\r
247 }\r
248 }\r
249\r
250 if(mifare_classic_halt(pcs, cuid)) {\r
251 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
252 }\r
253\r
254 // ----------------------------- crypto1 destroy\r
255 crypto1_destroy(pcs);\r
256\r
257 if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
258\r
259 LED_B_ON();\r
260 cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));\r
261 LED_B_OFF();\r
262\r
263 // Thats it...\r
264 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
265 LEDsoff();\r
266}\r
267\r
268// arg0 = blockNo (start)\r
269// arg1 = Pages (number of blocks)\r
270// arg2 = useKey\r
271// datain = KEY bytes\r
272void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
273{\r
274 LED_A_ON();\r
275 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
276\r
277 // free eventually allocated BigBuf memory\r
278 BigBuf_free();\r
279\r
280 // params\r
281 uint8_t blockNo = arg0;\r
282 uint16_t blocks = arg1;\r
283 bool useKey = (arg2 == 1); //UL_C\r
284 bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
285 uint32_t countblocks = 0;\r
286 uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
287 if (dataout == NULL){\r
288 Dbprintf("out of memory");\r
289 OnError(1);\r
290 return;\r
291 }\r
292\r
293 int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);\r
294 if (!len) {\r
295 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
296 OnError(1);\r
297 return;\r
298 }\r
299\r
300 // UL-C authentication\r
301 if (useKey) {\r
302 uint8_t key[16] = {0x00};\r
303 memcpy(key, datain, sizeof(key) );\r
304\r
305 if ( !mifare_ultra_auth(key) ) {\r
306 OnError(1);\r
307 return;\r
308 }\r
309 }\r
310\r
311 // UL-EV1 / NTAG authentication\r
312 if (usePwd) {\r
313 uint8_t pwd[4] = {0x00};\r
314 memcpy(pwd, datain, sizeof(pwd));\r
315 uint8_t pack[4] = {0,0,0,0};\r
316\r
317 if (!mifare_ul_ev1_auth(pwd, pack)){\r
318 OnError(1);\r
319 return;\r
320 }\r
321 }\r
322\r
323 for (int i = 0; i < blocks; i++){\r
324 if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
325 Dbprintf("Data exceeds buffer!!");\r
326 break;\r
327 }\r
328\r
329 len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
330\r
331 if (len) {\r
332 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
333 // if no blocks read - error out\r
334 if (i==0){\r
335 OnError(2);\r
336 return;\r
337 } else {\r
338 //stop at last successful read block and return what we got\r
339 break;\r
340 }\r
341 } else {\r
342 countblocks++;\r
343 }\r
344 }\r
345\r
346 len = mifare_ultra_halt();\r
347 if (len) {\r
348 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
349 OnError(3);\r
350 return;\r
351 }\r
352\r
353 if (MF_DBGLEVEL >= MF_DBG_DEBUG) Dbprintf("Blocks read %d", countblocks);\r
354\r
355 cmd_send(CMD_ACK, 1, countblocks*4, BigBuf_max_traceLen(), 0, 0);\r
356\r
357 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
358 LED_D_OFF();\r
359 BigBuf_free();\r
360 LED_A_OFF();\r
361}\r
362\r
363//-----------------------------------------------------------------------------\r
364// Select, Authenticate, Write a MIFARE tag.\r
365// read block\r
366//-----------------------------------------------------------------------------\r
367void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
368{\r
369 // params\r
370 uint8_t blockNo = arg0;\r
371 uint8_t keyType = arg1;\r
372 uint64_t ui64Key = 0;\r
373 byte_t blockdata[16];\r
374\r
375 ui64Key = bytes_to_num(datain, 6);\r
376 memcpy(blockdata, datain + 10, 16);\r
377\r
378 // variables\r
379 byte_t isOK = 0;\r
380 uint8_t uid[10];\r
381 uint32_t cuid;\r
382 struct Crypto1State mpcs = {0, 0};\r
383 struct Crypto1State *pcs;\r
384 pcs = &mpcs;\r
385\r
386 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
387\r
388 clear_trace();\r
389\r
390 LED_A_ON();\r
391 LED_B_OFF();\r
392 LED_C_OFF();\r
393\r
394 while (true) {\r
395 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
396 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
397 break;\r
398 };\r
399\r
400 if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
401 if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r
402 break;\r
403 };\r
404\r
405 if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {\r
406 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
407 break;\r
408 };\r
409\r
410 if(mifare_classic_halt(pcs, cuid)) {\r
411 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
412 break;\r
413 };\r
414\r
415 isOK = 1;\r
416 break;\r
417 }\r
418\r
419 // ----------------------------- crypto1 destroy\r
420 crypto1_destroy(pcs);\r
421\r
422 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
423\r
424 LED_B_ON();\r
425 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
426 LED_B_OFF();\r
427\r
428\r
429 // Thats it...\r
430 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
431 LEDsoff();\r
432}\r
433\r
434/* // Command not needed but left for future testing\r
435void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r
436{\r
437 uint8_t blockNo = arg0;\r
438 byte_t blockdata[16] = {0x00};\r
439\r
440 memcpy(blockdata, datain, 16);\r
441\r
442 uint8_t uid[10] = {0x00};\r
443\r
444 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
445\r
446 clear_trace();\r
447 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
448\r
449 if(!iso14443a_select_card(uid, NULL, NULL, true, 0)) {\r
450 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
451 OnError(0);\r
452 return;\r
453 };\r
454\r
455 if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r
456 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
457 OnError(0);\r
458 return; };\r
459\r
460 if(mifare_ultra_halt()) {\r
461 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
462 OnError(0);\r
463 return;\r
464 };\r
465\r
466 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
467\r
468 cmd_send(CMD_ACK,1,0,0,0,0);\r
469 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
470 LEDsoff();\r
471}\r
472*/\r
473\r
474// Arg0 : Block to write to.\r
475// Arg1 : 0 = use no authentication.\r
476// 1 = use 0x1A authentication.\r
477// 2 = use 0x1B authentication.\r
478// datain : 4 first bytes is data to be written.\r
479// : 4/16 next bytes is authentication key.\r
480void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
481{\r
482 uint8_t blockNo = arg0;\r
483 bool useKey = (arg1 == 1); //UL_C\r
484 bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
485 byte_t blockdata[4] = {0x00};\r
486\r
487 memcpy(blockdata, datain,4);\r
488\r
489 LEDsoff();\r
490 LED_A_ON();\r
491 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
492\r
493 clear_trace();\r
494\r
495 if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {\r
496 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
497 OnError(0);\r
498 return;\r
499 };\r
500\r
501 // UL-C authentication\r
502 if ( useKey ) {\r
503 uint8_t key[16] = {0x00};\r
504 memcpy(key, datain+4, sizeof(key) );\r
505\r
506 if ( !mifare_ultra_auth(key) ) {\r
507 OnError(1);\r
508 return;\r
509 }\r
510 }\r
511\r
512 // UL-EV1 / NTAG authentication\r
513 if (usePwd) {\r
514 uint8_t pwd[4] = {0x00};\r
515 memcpy(pwd, datain+4, 4);\r
516 uint8_t pack[4] = {0,0,0,0};\r
517 if (!mifare_ul_ev1_auth(pwd, pack)) {\r
518 OnError(1);\r
519 return;\r
520 }\r
521 }\r
522\r
523 if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
524 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
525 OnError(0);\r
526 return;\r
527 };\r
528\r
529 if(mifare_ultra_halt()) {\r
530 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
531 OnError(0);\r
532 return;\r
533 };\r
534\r
535 if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
536\r
537 cmd_send(CMD_ACK,1,0,0,0,0);\r
538 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
539 LEDsoff();\r
540}\r
541\r
542void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
543\r
544 uint8_t pwd[16] = {0x00};\r
545 byte_t blockdata[4] = {0x00};\r
546\r
547 memcpy(pwd, datain, 16);\r
548\r
549 LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
550 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
551\r
552 clear_trace();\r
553\r
554 if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {\r
555 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
556 OnError(0);\r
557 return;\r
558 };\r
559\r
560 blockdata[0] = pwd[7];\r
561 blockdata[1] = pwd[6];\r
562 blockdata[2] = pwd[5];\r
563 blockdata[3] = pwd[4];\r
564 if(mifare_ultra_writeblock( 44, blockdata)) {\r
565 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
566 OnError(44);\r
567 return;\r
568 };\r
569\r
570 blockdata[0] = pwd[3];\r
571 blockdata[1] = pwd[2];\r
572 blockdata[2] = pwd[1];\r
573 blockdata[3] = pwd[0];\r
574 if(mifare_ultra_writeblock( 45, blockdata)) {\r
575 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
576 OnError(45);\r
577 return;\r
578 };\r
579\r
580 blockdata[0] = pwd[15];\r
581 blockdata[1] = pwd[14];\r
582 blockdata[2] = pwd[13];\r
583 blockdata[3] = pwd[12];\r
584 if(mifare_ultra_writeblock( 46, blockdata)) {\r
585 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
586 OnError(46);\r
587 return;\r
588 };\r
589\r
590 blockdata[0] = pwd[11];\r
591 blockdata[1] = pwd[10];\r
592 blockdata[2] = pwd[9];\r
593 blockdata[3] = pwd[8];\r
594 if(mifare_ultra_writeblock( 47, blockdata)) {\r
595 if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
596 OnError(47);\r
597 return;\r
598 };\r
599\r
600 if(mifare_ultra_halt()) {\r
601 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
602 OnError(0);\r
603 return;\r
604 };\r
605\r
606 cmd_send(CMD_ACK,1,0,0,0,0);\r
607 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
608 LEDsoff();\r
609}\r
610\r
611// Return 1 if the nonce is invalid else return 0\r
612int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {\r
613 return ((oddparity8((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity8((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
614 (oddparity8((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity8((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
615 (oddparity8((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity8((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
616}\r
617\r
618\r
619//-----------------------------------------------------------------------------\r
620// acquire encrypted nonces in order to perform the attack described in\r
621// Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened\r
622// Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on\r
623// Computer and Communications Security, 2015\r
624//-----------------------------------------------------------------------------\r
625void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain)\r
626{\r
627 uint64_t ui64Key = 0;\r
628 uint8_t uid[10];\r
629 uint32_t cuid;\r
630 uint8_t cascade_levels = 0;\r
631 struct Crypto1State mpcs = {0, 0};\r
632 struct Crypto1State *pcs;\r
633 pcs = &mpcs;\r
634 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
635 int16_t isOK = 0;\r
636 uint8_t par_enc[1];\r
637 uint8_t nt_par_enc = 0;\r
638 uint8_t buf[USB_CMD_DATA_SIZE];\r
639 uint32_t timeout;\r
640\r
641 uint8_t blockNo = arg0 & 0xff;\r
642 uint8_t keyType = (arg0 >> 8) & 0xff;\r
643 uint8_t targetBlockNo = arg1 & 0xff;\r
644 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
645 ui64Key = bytes_to_num(datain, 6);\r
646 bool initialize = flags & 0x0001;\r
647 bool slow = flags & 0x0002;\r
648 bool field_off = flags & 0x0004;\r
649\r
650 LED_A_ON();\r
651 LED_C_OFF();\r
652\r
653 if (initialize) {\r
654 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
655 clear_trace();\r
656 set_tracing(true);\r
657 }\r
658\r
659 LED_C_ON();\r
660\r
661 uint16_t num_nonces = 0;\r
662 bool have_uid = false;\r
663 for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) {\r
664\r
665 // Test if the action was cancelled\r
666 if(BUTTON_PRESS()) {\r
667 isOK = 2;\r
668 field_off = true;\r
669 break;\r
670 }\r
671\r
672 if (!have_uid) { // need a full select cycle to get the uid first\r
673 iso14a_card_select_t card_info;\r
674 if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0, true)) {\r
675 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (ALL)");\r
676 continue;\r
677 }\r
678 switch (card_info.uidlen) {\r
679 case 4 : cascade_levels = 1; break;\r
680 case 7 : cascade_levels = 2; break;\r
681 case 10: cascade_levels = 3; break;\r
682 default: break;\r
683 }\r
684 have_uid = true;\r
685 } else { // no need for anticollision. We can directly select the card\r
686 if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels, true)) {\r
687 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (UID)");\r
688 continue;\r
689 }\r
690 }\r
691\r
692 if (slow) {\r
693 timeout = GetCountSspClk() + HARDNESTED_PRE_AUTHENTICATION_LEADTIME;\r
694 while(GetCountSspClk() < timeout);\r
695 }\r
696\r
697 uint32_t nt1;\r
698 if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, NULL)) {\r
699 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth1 error");\r
700 continue;\r
701 }\r
702\r
703 // nested authentication\r
704 uint16_t len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par_enc, NULL);\r
705 if (len != 4) {\r
706 if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth2 error len=%d", len);\r
707 continue;\r
708 }\r
709\r
710 // send an incomplete dummy response in order to trigger the card's authentication failure timeout\r
711 uint8_t dummy_answer[1] = {0};\r
712 ReaderTransmit(dummy_answer, 1, NULL);\r
713\r
714 timeout = GetCountSspClk() + HARDNESTED_AUTHENTICATION_TIMEOUT;\r
715 \r
716 num_nonces++;\r
717 if (num_nonces % 2) {\r
718 memcpy(buf+i, receivedAnswer, 4);\r
719 nt_par_enc = par_enc[0] & 0xf0;\r
720 } else {\r
721 nt_par_enc |= par_enc[0] >> 4;\r
722 memcpy(buf+i+4, receivedAnswer, 4);\r
723 memcpy(buf+i+8, &nt_par_enc, 1);\r
724 i += 9;\r
725 }\r
726\r
727 // wait for the card to become ready again\r
728 while(GetCountSspClk() < timeout);\r
729\r
730 }\r
731\r
732 LED_C_OFF();\r
733\r
734 crypto1_destroy(pcs);\r
735\r
736 LED_B_ON();\r
737 cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));\r
738 LED_B_OFF();\r
739\r
740 if (MF_DBGLEVEL >= 3) DbpString("AcquireEncryptedNonces finished");\r
741\r
742 if (field_off) {\r
743 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
744 LEDsoff();\r
745 }\r
746}\r
747\r
748\r
749//-----------------------------------------------------------------------------\r
750// MIFARE nested authentication.\r
751//\r
752//-----------------------------------------------------------------------------\r
753void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)\r
754{\r
755 // params\r
756 uint8_t blockNo = arg0 & 0xff;\r
757 uint8_t keyType = (arg0 >> 8) & 0xff;\r
758 uint8_t targetBlockNo = arg1 & 0xff;\r
759 uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r
760 uint64_t ui64Key = 0;\r
761\r
762 ui64Key = bytes_to_num(datain, 6);\r
763\r
764 // variables\r
765 uint16_t rtr, i, j, len;\r
766 uint16_t davg;\r
767 static uint16_t dmin, dmax;\r
768 uint8_t uid[10];\r
769 uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;\r
770 uint8_t par[1];\r
771 uint32_t target_nt[2], target_ks[2];\r
772\r
773 uint8_t par_array[4];\r
774 uint16_t ncount = 0;\r
775 struct Crypto1State mpcs = {0, 0};\r
776 struct Crypto1State *pcs;\r
777 pcs = &mpcs;\r
778 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
779\r
780 uint32_t auth1_time, auth2_time;\r
781 static uint16_t delta_time;\r
782\r
783 LED_A_ON();\r
784 LED_C_OFF();\r
785 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
786\r
787 // free eventually allocated BigBuf memory\r
788 BigBuf_free();\r
789\r
790 if (calibrate) clear_trace();\r
791 set_tracing(true);\r
792\r
793 // statistics on nonce distance\r
794 int16_t isOK = 0;\r
795 #define NESTED_MAX_TRIES 12\r
796 uint16_t unsuccessfull_tries = 0;\r
797 if (calibrate) { // for first call only. Otherwise reuse previous calibration\r
798 LED_B_ON();\r
799 WDT_HIT();\r
800\r
801 davg = dmax = 0;\r
802 dmin = 2000;\r
803 delta_time = 0;\r
804\r
805 for (rtr = 0; rtr < 17; rtr++) {\r
806\r
807 // Test if the action was cancelled\r
808 if(BUTTON_PRESS()) {\r
809 isOK = -2;\r
810 break;\r
811 }\r
812\r
813 // prepare next select. No need to power down the card.\r
814 if(mifare_classic_halt(pcs, cuid)) {\r
815 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
816 rtr--;\r
817 continue;\r
818 }\r
819\r
820 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
821 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
822 rtr--;\r
823 continue;\r
824 };\r
825\r
826 auth1_time = 0;\r
827 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
828 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
829 rtr--;\r
830 continue;\r
831 };\r
832\r
833 if (delta_time) {\r
834 auth2_time = auth1_time + delta_time;\r
835 } else {\r
836 auth2_time = 0;\r
837 }\r
838 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {\r
839 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");\r
840 rtr--;\r
841 continue;\r
842 };\r
843\r
844 nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r
845 for (i = 101; i < 1200; i++) {\r
846 nttmp = prng_successor(nttmp, 1);\r
847 if (nttmp == nt2) break;\r
848 }\r
849\r
850 if (i != 1200) {\r
851 if (rtr != 0) {\r
852 davg += i;\r
853 dmin = MIN(dmin, i);\r
854 dmax = MAX(dmax, i);\r
855 }\r
856 else {\r
857 delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r
858 }\r
859 if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
860 } else {\r
861 unsuccessfull_tries++;\r
862 if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable)\r
863 isOK = -3;\r
864 }\r
865 }\r
866 }\r
867\r
868 davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
869\r
870 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
871\r
872 dmin = davg - 2;\r
873 dmax = davg + 2;\r
874\r
875 LED_B_OFF();\r
876\r
877 }\r
878 // -------------------------------------------------------------------------------------------------\r
879\r
880 LED_C_ON();\r
881\r
882 // get crypted nonces for target sector\r
883 for(i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces\r
884\r
885 target_nt[i] = 0;\r
886 while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
887\r
888 // prepare next select. No need to power down the card.\r
889 if(mifare_classic_halt(pcs, cuid)) {\r
890 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r
891 continue;\r
892 }\r
893\r
894 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
895 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r
896 continue;\r
897 };\r
898\r
899 auth1_time = 0;\r
900 if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r
901 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r
902 continue;\r
903 };\r
904\r
905 // nested authentication\r
906 auth2_time = auth1_time + delta_time;\r
907 len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
908 if (len != 4) {\r
909 if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r
910 continue;\r
911 };\r
912\r
913 nt2 = bytes_to_num(receivedAnswer, 4);\r
914 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\r
915\r
916 // Parity validity check\r
917 for (j = 0; j < 4; j++) {\r
918 par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
919 }\r
920\r
921 ncount = 0;\r
922 nttest = prng_successor(nt1, dmin - 1);\r
923 for (j = dmin; j < dmax + 1; j++) {\r
924 nttest = prng_successor(nttest, 1);\r
925 ks1 = nt2 ^ nttest;\r
926\r
927 if (valid_nonce(nttest, nt2, ks1, par_array)){\r
928 if (ncount > 0) { // we are only interested in disambiguous nonces, try again\r
929 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);\r
930 target_nt[i] = 0;\r
931 break;\r
932 }\r
933 target_nt[i] = nttest;\r
934 target_ks[i] = ks1;\r
935 ncount++;\r
936 if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces\r
937 target_nt[i] = 0;\r
938 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);\r
939 break;\r
940 }\r
941 if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);\r
942 }\r
943 }\r
944 if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);\r
945 }\r
946 }\r
947\r
948 LED_C_OFF();\r
949\r
950 // ----------------------------- crypto1 destroy\r
951 crypto1_destroy(pcs);\r
952\r
953 byte_t buf[4 + 4 * 4];\r
954 memcpy(buf, &cuid, 4);\r
955 memcpy(buf+4, &target_nt[0], 4);\r
956 memcpy(buf+8, &target_ks[0], 4);\r
957 memcpy(buf+12, &target_nt[1], 4);\r
958 memcpy(buf+16, &target_ks[1], 4);\r
959\r
960 LED_B_ON();\r
961 cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
962 LED_B_OFF();\r
963\r
964 if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r
965\r
966 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
967 LEDsoff();\r
968}\r
969\r
970//-----------------------------------------------------------------------------\r
971// MIFARE check keys. key count up to 85.\r
972//\r
973//-----------------------------------------------------------------------------\r
974void MifareChkKeys(uint16_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
975{\r
976 uint8_t blockNo = arg0 & 0xff;\r
977 uint8_t keyType = (arg0 >> 8) & 0xff;\r
978 bool clearTrace = arg1 & 0x01;\r
979 bool multisectorCheck = arg1 & 0x02;\r
980 uint8_t set14aTimeout = (arg1 >> 8) & 0xff;\r
981 uint8_t keyCount = arg2;\r
982\r
983 LED_A_ON();\r
984\r
985 // clear debug level\r
986 int OLD_MF_DBGLEVEL = MF_DBGLEVEL;\r
987 MF_DBGLEVEL = MF_DBG_NONE;\r
988\r
989 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
990\r
991 if (clearTrace) {\r
992 clear_trace();\r
993 }\r
994 set_tracing(true);\r
995\r
996 if (set14aTimeout){\r
997 iso14a_set_timeout(set14aTimeout * 10); // timeout: ms = x/106 35-minimum, 50-OK 106-recommended 500-safe\r
998 }\r
999 \r
1000 if (multisectorCheck) {\r
1001 TKeyIndex keyIndex = {{0}};\r
1002 uint8_t sectorCnt = blockNo;\r
1003 int res = MifareMultisectorChk(datain, keyCount, sectorCnt, keyType, OLD_MF_DBGLEVEL, &keyIndex);\r
1004\r
1005 if (res >= 0) {\r
1006 cmd_send(CMD_ACK, 1, 0, 0, keyIndex, 80);\r
1007 } else {\r
1008 cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);\r
1009 }\r
1010 } else { \r
1011 int res = MifareChkBlockKeys(datain, keyCount, blockNo, keyType, OLD_MF_DBGLEVEL);\r
1012 \r
1013 if (res > 0) {\r
1014 cmd_send(CMD_ACK, 1, 0, 0, datain + (res - 1) * 6, 6);\r
1015 } else {\r
1016 cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);\r
1017 }\r
1018 }\r
1019\r
1020 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1021 LED_D_OFF();\r
1022\r
1023 // restore debug level\r
1024 MF_DBGLEVEL = OLD_MF_DBGLEVEL;\r
1025 \r
1026 LED_A_OFF();\r
1027}\r
1028\r
1029//-----------------------------------------------------------------------------\r
1030// MIFARE commands set debug level\r
1031//\r
1032//-----------------------------------------------------------------------------\r
1033void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1034 MF_DBGLEVEL = arg0;\r
1035 Dbprintf("Debug level: %d", MF_DBGLEVEL);\r
1036}\r
1037\r
1038//-----------------------------------------------------------------------------\r
1039// Work with emulator memory\r
1040//\r
1041// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not\r
1042// involved in dealing with emulator memory. But if it is called later, it might\r
1043// destroy the Emulator Memory.\r
1044//-----------------------------------------------------------------------------\r
1045\r
1046void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1047 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
1048 emlClearMem();\r
1049}\r
1050\r
1051void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1052 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
1053 emlSetMem(datain, arg0, arg1); // data, block num, blocks count\r
1054}\r
1055\r
1056void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1057 FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
1058 byte_t buf[USB_CMD_DATA_SIZE];\r
1059 emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
1060\r
1061 LED_B_ON();\r
1062 cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);\r
1063 LED_B_OFF();\r
1064}\r
1065\r
1066//-----------------------------------------------------------------------------\r
1067// Load a card into the emulator memory\r
1068//\r
1069//-----------------------------------------------------------------------------\r
1070void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1071 uint8_t numSectors = arg0;\r
1072 uint8_t keyType = arg1;\r
1073 uint64_t ui64Key = 0;\r
1074 uint32_t cuid;\r
1075 struct Crypto1State mpcs = {0, 0};\r
1076 struct Crypto1State *pcs;\r
1077 pcs = &mpcs;\r
1078\r
1079 // variables\r
1080 byte_t dataoutbuf[16];\r
1081 byte_t dataoutbuf2[16];\r
1082 uint8_t uid[10];\r
1083\r
1084 LED_A_ON();\r
1085 LED_B_OFF();\r
1086 LED_C_OFF();\r
1087 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1088\r
1089 clear_trace();\r
1090 set_tracing(false);\r
1091\r
1092 bool isOK = true;\r
1093\r
1094 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
1095 isOK = false;\r
1096 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1097 }\r
1098\r
1099 for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
1100 ui64Key = emlGetKey(sectorNo, keyType);\r
1101 if (sectorNo == 0){\r
1102 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
1103 isOK = false;\r
1104 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);\r
1105 break;\r
1106 }\r
1107 } else {\r
1108 if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {\r
1109 isOK = false;\r
1110 if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);\r
1111 break;\r
1112 }\r
1113 }\r
1114\r
1115 for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
1116 if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {\r
1117 isOK = false;\r
1118 if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);\r
1119 break;\r
1120 };\r
1121 if (isOK) {\r
1122 if (blockNo < NumBlocksPerSector(sectorNo) - 1) {\r
1123 emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1124 } else { // sector trailer, keep the keys, set only the AC\r
1125 emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1126 memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);\r
1127 emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);\r
1128 }\r
1129 }\r
1130 }\r
1131\r
1132 }\r
1133\r
1134 if(mifare_classic_halt(pcs, cuid)) {\r
1135 if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
1136 };\r
1137\r
1138 // ----------------------------- crypto1 destroy\r
1139 crypto1_destroy(pcs);\r
1140\r
1141 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1142 LEDsoff();\r
1143\r
1144 if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
1145\r
1146}\r
1147\r
1148\r
1149//-----------------------------------------------------------------------------\r
1150// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
1151//\r
1152//-----------------------------------------------------------------------------\r
1153\r
1154static bool isBlockTrailer(int blockN) {\r
1155 if (blockN >= 0 && blockN < 128) {\r
1156 return ((blockN & 0x03) == 0x03);\r
1157 }\r
1158 if (blockN >= 128 && blockN <= 256) {\r
1159 return ((blockN & 0x0F) == 0x0F);\r
1160 }\r
1161 return false;\r
1162}\r
1163\r
1164void MifareCWipe(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1165 // var\r
1166 byte_t isOK = 0;\r
1167 uint32_t numBlocks = arg0;\r
1168 // cmdParams:\r
1169 // bit 0 - wipe gen1a\r
1170 // bit 1 - fill card with default data\r
1171 // bit 2 - gen1a = 0, gen1b = 1\r
1172 uint8_t cmdParams = arg1;\r
1173 bool needWipe = cmdParams & 0x01;\r
1174 bool needFill = cmdParams & 0x02;\r
1175 bool gen1b = cmdParams & 0x04;\r
1176 \r
1177 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1178 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1179 \r
1180 uint8_t block0[16] = {0x01, 0x02, 0x03, 0x04, 0x04, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xBE, 0xAF};\r
1181 uint8_t block1[16] = {0x00};\r
1182 uint8_t blockK[16] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x08, 0x77, 0x8F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
1183 uint8_t d_block[18] = {0x00};\r
1184 \r
1185 // card commands\r
1186 uint8_t wupC1[] = { 0x40 };\r
1187 uint8_t wupC2[] = { 0x43 };\r
1188 uint8_t wipeC[] = { 0x41 };\r
1189 \r
1190 // iso14443 setup\r
1191 LED_A_ON();\r
1192 LED_B_OFF();\r
1193 LED_C_OFF();\r
1194 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1195\r
1196 // tracing\r
1197 clear_trace();\r
1198 set_tracing(true);\r
1199 \r
1200 while (true){\r
1201 // wipe\r
1202 if (needWipe){\r
1203 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1204 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1205 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1206 break;\r
1207 };\r
1208\r
1209 ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
1210 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1211 if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");\r
1212 break;\r
1213 };\r
1214\r
1215 if(mifare_classic_halt(NULL, 0)) {\r
1216 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1217 };\r
1218 };\r
1219 \r
1220 // put default data\r
1221 if (needFill){\r
1222 // select commands\r
1223 ReaderTransmitBitsPar(wupC1, 7, 0, NULL);\r
1224\r
1225 // gen1b magic tag : do no issue wupC2 and don't expect 0x0a response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)\r
1226 if (!gen1b) { \r
1227\r
1228 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1229 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1230 break;\r
1231 };\r
1232\r
1233 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1234 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1235 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1236 break;\r
1237 };\r
1238 }\r
1239\r
1240 // send blocks command\r
1241 for (int blockNo = 0; blockNo < numBlocks; blockNo++) {\r
1242 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1243 if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");\r
1244 break;\r
1245 };\r
1246 \r
1247 // check type of block and add crc\r
1248 if (!isBlockTrailer(blockNo)){\r
1249 memcpy(d_block, block1, 16);\r
1250 } else {\r
1251 memcpy(d_block, blockK, 16);\r
1252 }\r
1253 if (blockNo == 0) {\r
1254 memcpy(d_block, block0, 16);\r
1255 }\r
1256 AppendCrc14443a(d_block, 16);\r
1257\r
1258 // send write command\r
1259 ReaderTransmit(d_block, sizeof(d_block), NULL);\r
1260 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1261 if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r
1262 break;\r
1263 };\r
1264 }\r
1265 \r
1266 // halt\r
1267 // do no issue halt command for gen1b \r
1268 if (!gen1b) {\r
1269 if (mifare_classic_halt(NULL, 0)) {\r
1270 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1271 break;\r
1272 }\r
1273 }\r
1274 }\r
1275 break;\r
1276 } \r
1277\r
1278 // send USB response\r
1279 LED_B_ON();\r
1280 cmd_send(CMD_ACK,isOK,0,0,NULL,0);\r
1281 LED_B_OFF();\r
1282 \r
1283 // reset fpga\r
1284 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1285 LEDsoff();\r
1286 \r
1287 return;\r
1288}\r
1289\r
1290void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1291\r
1292 // params\r
1293 uint8_t needWipe = arg0;\r
1294 // bit 0 - need get UID\r
1295 // bit 1 - need wupC\r
1296 // bit 2 - need HALT after sequence\r
1297 // bit 3 - need init FPGA and field before sequence\r
1298 // bit 4 - need reset FPGA and LED\r
1299 // bit 6 - gen1b backdoor type\r
1300 uint8_t workFlags = arg1;\r
1301 uint8_t blockNo = arg2;\r
1302\r
1303 // card commands\r
1304 uint8_t wupC1[] = { 0x40 };\r
1305 uint8_t wupC2[] = { 0x43 };\r
1306 uint8_t wipeC[] = { 0x41 };\r
1307\r
1308 // variables\r
1309 byte_t isOK = 0;\r
1310 uint8_t uid[10] = {0x00};\r
1311 uint8_t d_block[18] = {0x00};\r
1312 uint32_t cuid;\r
1313\r
1314 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1315 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1316\r
1317 // reset FPGA and LED\r
1318 if (workFlags & 0x08) {\r
1319 LED_A_ON();\r
1320 LED_B_OFF();\r
1321 LED_C_OFF();\r
1322 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1323\r
1324 clear_trace();\r
1325 set_tracing(true);\r
1326 }\r
1327\r
1328 while (true) {\r
1329\r
1330 // get UID from chip\r
1331 if (workFlags & 0x01) {\r
1332 if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {\r
1333 if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
1334 // 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
1335 //break;\r
1336 };\r
1337\r
1338 if(mifare_classic_halt(NULL, cuid)) {\r
1339 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1340 // Continue, some magic tags misbehavies and send an answer to it.\r
1341 // break;\r
1342 };\r
1343 };\r
1344\r
1345 // reset chip\r
1346 // Wipe command don't work with gen1b\r
1347 if (needWipe && !(workFlags & 0x40)){\r
1348 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1349 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1350 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1351 break;\r
1352 };\r
1353\r
1354 ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
1355 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1356 if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");\r
1357 break;\r
1358 };\r
1359\r
1360 if(mifare_classic_halt(NULL, 0)) {\r
1361 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1362 // Continue, some magic tags misbehavies and send an answer to it.\r
1363 // break;\r
1364 };\r
1365 };\r
1366\r
1367 // write block\r
1368 if (workFlags & 0x02) {\r
1369 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1370\r
1371 // gen1b magic tag : do no issue wupC2 and don't expect 0x0a response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)\r
1372 if (!(workFlags & 0x40)) {\r
1373\r
1374 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1375 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1376 break;\r
1377 };\r
1378\r
1379 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1380 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1381 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1382 break;\r
1383 };\r
1384 }\r
1385 }\r
1386\r
1387 if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1388 if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");\r
1389 break;\r
1390 };\r
1391\r
1392 memcpy(d_block, datain, 16);\r
1393 AppendCrc14443a(d_block, 16);\r
1394\r
1395 ReaderTransmit(d_block, sizeof(d_block), NULL);\r
1396 if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
1397 if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r
1398 break;\r
1399 };\r
1400\r
1401 if (workFlags & 0x04) {\r
1402 // do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)\r
1403 if (!(workFlags & 0x40)) {\r
1404 if (mifare_classic_halt(NULL, 0)) {\r
1405 if (MF_DBGLEVEL > 2) Dbprintf("Halt error");\r
1406 // Continue, some magic tags misbehavies and send an answer to it.\r
1407 // break;\r
1408 }\r
1409 }\r
1410 }\r
1411\r
1412 isOK = 1;\r
1413 break;\r
1414 }\r
1415\r
1416 LED_B_ON();\r
1417 cmd_send(CMD_ACK,isOK,0,0,uid,4);\r
1418 LED_B_OFF();\r
1419\r
1420 if ((workFlags & 0x10) || (!isOK)) {\r
1421 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1422 LEDsoff();\r
1423 }\r
1424}\r
1425\r
1426\r
1427void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
1428\r
1429 // params\r
1430 // bit 1 - need wupC\r
1431 // bit 2 - need HALT after sequence\r
1432 // bit 3 - need init FPGA and field before sequence\r
1433 // bit 4 - need reset FPGA and LED\r
1434 // bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r
1435 // bit 6 - gen1b backdoor type\r
1436 uint8_t workFlags = arg0;\r
1437 uint8_t blockNo = arg2;\r
1438\r
1439 // card commands\r
1440 uint8_t wupC1[] = { 0x40 };\r
1441 uint8_t wupC2[] = { 0x43 };\r
1442\r
1443 // variables\r
1444 byte_t isOK = 0;\r
1445 uint8_t data[18] = {0x00};\r
1446 uint32_t cuid = 0;\r
1447\r
1448 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1449 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1450\r
1451 if (workFlags & 0x08) {\r
1452 LED_A_ON();\r
1453 LED_B_OFF();\r
1454 LED_C_OFF();\r
1455 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1456\r
1457 clear_trace();\r
1458 set_tracing(true);\r
1459 }\r
1460\r
1461 while (true) {\r
1462 if (workFlags & 0x02) {\r
1463 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1464 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1465 if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r
1466 break;\r
1467 };\r
1468 // do no issue for gen1b magic tag\r
1469 if (!(workFlags & 0x40)) {\r
1470 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1471 if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
1472 if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r
1473 break;\r
1474 };\r
1475 }\r
1476 }\r
1477\r
1478 // read block\r
1479 if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
1480 if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");\r
1481 break;\r
1482 };\r
1483 memcpy(data, receivedAnswer, 18);\r
1484\r
1485 if (workFlags & 0x04) {\r
1486 // do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)\r
1487 if (!(workFlags & 0x40)) {\r
1488 if (mifare_classic_halt(NULL, cuid)) {\r
1489 if (MF_DBGLEVEL > 1) Dbprintf("Halt error");\r
1490 // Continue, some magic tags misbehavies and send an answer to it.\r
1491 // break;\r
1492 }\r
1493 }\r
1494 }\r
1495\r
1496 isOK = 1;\r
1497 break;\r
1498 }\r
1499\r
1500 LED_B_ON();\r
1501 if (workFlags & 0x20) {\r
1502 if (isOK)\r
1503 memcpy(datain, data, 18);\r
1504 }\r
1505 else\r
1506 cmd_send(CMD_ACK,isOK,0,0,data,18);\r
1507 LED_B_OFF();\r
1508\r
1509 if ((workFlags & 0x10) || (!isOK)) {\r
1510 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1511 LEDsoff();\r
1512 }\r
1513}\r
1514\r
1515void MifareCIdent(){\r
1516\r
1517 // card commands\r
1518 uint8_t wupC1[] = { 0x40 };\r
1519 uint8_t wupC2[] = { 0x43 };\r
1520\r
1521 // variables\r
1522 byte_t isOK = 0;\r
1523\r
1524 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
1525 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
1526 \r
1527 LED_A_ON();\r
1528 LED_B_OFF();\r
1529 LED_C_OFF();\r
1530 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1531\r
1532 clear_trace();\r
1533 set_tracing(true); \r
1534\r
1535 ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
1536 if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == 0x0a)) {\r
1537 isOK = 2;\r
1538\r
1539 ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
1540 if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == 0x0a)) {\r
1541 isOK = 1;\r
1542 };\r
1543 };\r
1544\r
1545 // From iceman1001: removed the if, since some magic tags misbehavies and send an answer to it.\r
1546 mifare_classic_halt(NULL, 0);\r
1547 \r
1548 LED_B_ON();\r
1549 cmd_send(CMD_ACK,isOK,0,0,0,0);\r
1550 LED_B_OFF();\r
1551\r
1552 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1553 LEDsoff(); \r
1554}\r
1555\r
1556//\r
1557// DESFIRE\r
1558//\r
1559\r
1560void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
1561\r
1562 byte_t dataout[11] = {0x00};\r
1563 uint8_t uid[10] = {0x00};\r
1564 uint32_t cuid;\r
1565\r
1566 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
1567 clear_trace();\r
1568\r
1569 int len = iso14443a_select_card(uid, NULL, &cuid, true, 0, true);\r
1570 if(!len) {\r
1571 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
1572 OnError(1);\r
1573 return;\r
1574 };\r
1575\r
1576 if(mifare_desfire_des_auth1(cuid, dataout)){\r
1577 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
1578 OnError(4);\r
1579 return;\r
1580 }\r
1581\r
1582 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
1583 cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
1584}\r
1585\r
1586void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
1587\r
1588 uint32_t cuid = arg0;\r
1589 uint8_t key[16] = {0x00};\r
1590 byte_t isOK = 0;\r
1591 byte_t dataout[12] = {0x00};\r
1592\r
1593 memcpy(key, datain, 16);\r
1594\r
1595 isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
1596\r
1597 if( isOK) {\r
1598 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed");\r
1599 OnError(4);\r
1600 return;\r
1601 }\r
1602\r
1603 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
1604\r
1605 cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
1606 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
1607 LEDsoff();\r
1608}\r
1609\r
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